From fb9e88e6b57e0650ab1f7f79ef545cbeb75bf33b Mon Sep 17 00:00:00 2001
From: Mads Jakobsen <mads.jakobsen@xfel.eu>
Date: Thu, 25 Apr 2024 14:46:42 +0200
Subject: [PATCH] blub

---
 .gitignore                              |     6 +-
 fastXPCS/fastXPCS/cython/dense.c        | 38503 +++++++++++---------
 fastXPCS/fastXPCS/cython/fxpcs_sparse.c | 41268 +++++++++++++---------
 fastXPCS/fastXPCS/cython/welford.c      | 18429 ++++++----
 4 files changed, 58689 insertions(+), 39517 deletions(-)

diff --git a/.gitignore b/.gitignore
index cdb6c4a..762eb25 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,11 +1,11 @@
 
 env/
-testing/output.mp4
-testing/abc.png
 *.o
 *.so
 *.pyc
 *.egg-info
+*.png
 fastXPCS/fastXPCS/cython/welford.c
 fastXPCS/fastXPCS/cython/fxpcs_sparse.c
-fastXPCS/fastXPCS/cython/dense.c
\ No newline at end of file
+fastXPCS/fastXPCS/cython/dense.c
+myxpcs/source/function_call.cpp
diff --git a/fastXPCS/fastXPCS/cython/dense.c b/fastXPCS/fastXPCS/cython/dense.c
index 55af676..404b8ac 100644
--- a/fastXPCS/fastXPCS/cython/dense.c
+++ b/fastXPCS/fastXPCS/cython/dense.c
@@ -1,15 +1,15 @@
-/* Generated by Cython 0.29.24 */
+/* Generated by Cython 3.0.10 */
 
 /* BEGIN: Cython Metadata
 {
     "distutils": {
         "include_dirs": [
             ".",
-            "/scratch/midonc/karabo/extern/lib/python3.8/site-packages/numpy-1.21.4-py3.8-linux-x86_64.egg/numpy/core/include"
+            "/home/jakobsem/git/onlinexpcs/env/lib/python3.10/site-packages/numpy/core/include"
         ],
         "name": "dense",
         "sources": [
-            "/home/midonc/git/fastxpcs/fastXPCS/cython/dense.pyx"
+            "/home/jakobsem/git/onlinexpcs/fastXPCS/fastXPCS/cython/dense.pyx"
         ]
     },
     "module_name": "dense"
@@ -19,20 +19,37 @@ END: Cython Metadata */
 #ifndef PY_SSIZE_T_CLEAN
 #define PY_SSIZE_T_CLEAN
 #endif /* PY_SSIZE_T_CLEAN */
+#if defined(CYTHON_LIMITED_API) && 0
+  #ifndef Py_LIMITED_API
+    #if CYTHON_LIMITED_API+0 > 0x03030000
+      #define Py_LIMITED_API CYTHON_LIMITED_API
+    #else
+      #define Py_LIMITED_API 0x03030000
+    #endif
+  #endif
+#endif
+
 #include "Python.h"
 #ifndef Py_PYTHON_H
     #error Python headers needed to compile C extensions, please install development version of Python.
-#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000)
-    #error Cython requires Python 2.6+ or Python 3.3+.
+#elif PY_VERSION_HEX < 0x02070000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000)
+    #error Cython requires Python 2.7+ or Python 3.3+.
+#else
+#if defined(CYTHON_LIMITED_API) && CYTHON_LIMITED_API
+#define __PYX_EXTRA_ABI_MODULE_NAME "limited"
 #else
-#define CYTHON_ABI "0_29_24"
-#define CYTHON_HEX_VERSION 0x001D18F0
+#define __PYX_EXTRA_ABI_MODULE_NAME ""
+#endif
+#define CYTHON_ABI "3_0_10" __PYX_EXTRA_ABI_MODULE_NAME
+#define __PYX_ABI_MODULE_NAME "_cython_" CYTHON_ABI
+#define __PYX_TYPE_MODULE_PREFIX __PYX_ABI_MODULE_NAME "."
+#define CYTHON_HEX_VERSION 0x03000AF0
 #define CYTHON_FUTURE_DIVISION 1
 #include <stddef.h>
 #ifndef offsetof
   #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
 #endif
-#if !defined(WIN32) && !defined(MS_WINDOWS)
+#if !defined(_WIN32) && !defined(WIN32) && !defined(MS_WINDOWS)
   #ifndef __stdcall
     #define __stdcall
   #endif
@@ -51,9 +68,7 @@ END: Cython Metadata */
 #endif
 #define __PYX_COMMA ,
 #ifndef HAVE_LONG_LONG
-  #if PY_VERSION_HEX >= 0x02070000
-    #define HAVE_LONG_LONG
-  #endif
+  #define HAVE_LONG_LONG
 #endif
 #ifndef PY_LONG_LONG
   #define PY_LONG_LONG LONG_LONG
@@ -61,12 +76,19 @@ END: Cython Metadata */
 #ifndef Py_HUGE_VAL
   #define Py_HUGE_VAL HUGE_VAL
 #endif
-#ifdef PYPY_VERSION
-  #define CYTHON_COMPILING_IN_PYPY 1
-  #define CYTHON_COMPILING_IN_PYSTON 0
+#define __PYX_LIMITED_VERSION_HEX PY_VERSION_HEX
+#if defined(GRAALVM_PYTHON)
+  /* For very preliminary testing purposes. Most variables are set the same as PyPy.
+     The existence of this section does not imply that anything works or is even tested */
+  #define CYTHON_COMPILING_IN_PYPY 0
   #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 1
+  #define CYTHON_COMPILING_IN_NOGIL 0
   #undef CYTHON_USE_TYPE_SLOTS
   #define CYTHON_USE_TYPE_SLOTS 0
+  #undef CYTHON_USE_TYPE_SPECS
+  #define CYTHON_USE_TYPE_SPECS 0
   #undef CYTHON_USE_PYTYPE_LOOKUP
   #define CYTHON_USE_PYTYPE_LOOKUP 0
   #if PY_VERSION_HEX < 0x03050000
@@ -91,27 +113,176 @@ END: Cython Metadata */
   #define CYTHON_UNPACK_METHODS 0
   #undef CYTHON_FAST_THREAD_STATE
   #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
   #undef CYTHON_FAST_PYCALL
   #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS (PY_MAJOR_VERSION >= 3)
+  #endif
   #undef CYTHON_PEP489_MULTI_PHASE_INIT
-  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 0
   #undef CYTHON_USE_TP_FINALIZE
   #define CYTHON_USE_TP_FINALIZE 0
   #undef CYTHON_USE_DICT_VERSIONS
   #define CYTHON_USE_DICT_VERSIONS 0
   #undef CYTHON_USE_EXC_INFO_STACK
   #define CYTHON_USE_EXC_INFO_STACK 0
-#elif defined(PYSTON_VERSION)
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+#elif defined(PYPY_VERSION)
+  #define CYTHON_COMPILING_IN_PYPY 1
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_NOGIL 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 0
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
+  #undef CYTHON_USE_PYTYPE_LOOKUP
+  #define CYTHON_USE_PYTYPE_LOOKUP 0
+  #if PY_VERSION_HEX < 0x03050000
+    #undef CYTHON_USE_ASYNC_SLOTS
+    #define CYTHON_USE_ASYNC_SLOTS 0
+  #elif !defined(CYTHON_USE_ASYNC_SLOTS)
+    #define CYTHON_USE_ASYNC_SLOTS 1
+  #endif
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_WRITER
+  #define CYTHON_USE_UNICODE_WRITER 0
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #undef CYTHON_AVOID_BORROWED_REFS
+  #define CYTHON_AVOID_BORROWED_REFS 1
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS (PY_MAJOR_VERSION >= 3)
+  #endif
+  #if PY_VERSION_HEX < 0x03090000
+    #undef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #elif !defined(CYTHON_PEP489_MULTI_PHASE_INIT)
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 0
+  #undef CYTHON_USE_TP_FINALIZE
+  #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1 && PYPY_VERSION_NUM >= 0x07030C00)
+  #undef CYTHON_USE_DICT_VERSIONS
+  #define CYTHON_USE_DICT_VERSIONS 0
+  #undef CYTHON_USE_EXC_INFO_STACK
+  #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+#elif defined(CYTHON_LIMITED_API)
+  #ifdef Py_LIMITED_API
+    #undef __PYX_LIMITED_VERSION_HEX
+    #define __PYX_LIMITED_VERSION_HEX Py_LIMITED_API
+  #endif
+  #define CYTHON_COMPILING_IN_PYPY 0
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 1
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_NOGIL 0
+  #undef CYTHON_CLINE_IN_TRACEBACK
+  #define CYTHON_CLINE_IN_TRACEBACK 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 0
+  #undef CYTHON_USE_TYPE_SPECS
+  #define CYTHON_USE_TYPE_SPECS 1
+  #undef CYTHON_USE_PYTYPE_LOOKUP
+  #define CYTHON_USE_PYTYPE_LOOKUP 0
+  #undef CYTHON_USE_ASYNC_SLOTS
+  #define CYTHON_USE_ASYNC_SLOTS 0
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #ifndef CYTHON_USE_UNICODE_WRITER
+    #define CYTHON_USE_UNICODE_WRITER 0
+  #endif
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #ifndef CYTHON_AVOID_BORROWED_REFS
+    #define CYTHON_AVOID_BORROWED_REFS 0
+  #endif
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #undef CYTHON_PEP489_MULTI_PHASE_INIT
+  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 1
+  #ifndef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 0
+  #endif
+  #undef CYTHON_USE_DICT_VERSIONS
+  #define CYTHON_USE_DICT_VERSIONS 0
+  #undef CYTHON_USE_EXC_INFO_STACK
+  #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+#elif defined(Py_GIL_DISABLED) || defined(Py_NOGIL)
   #define CYTHON_COMPILING_IN_PYPY 0
-  #define CYTHON_COMPILING_IN_PYSTON 1
   #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_NOGIL 1
   #ifndef CYTHON_USE_TYPE_SLOTS
     #define CYTHON_USE_TYPE_SLOTS 1
   #endif
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
   #undef CYTHON_USE_PYTYPE_LOOKUP
   #define CYTHON_USE_PYTYPE_LOOKUP 0
-  #undef CYTHON_USE_ASYNC_SLOTS
-  #define CYTHON_USE_ASYNC_SLOTS 0
+  #ifndef CYTHON_USE_ASYNC_SLOTS
+    #define CYTHON_USE_ASYNC_SLOTS 1
+  #endif
+  #ifndef CYTHON_USE_PYLONG_INTERNALS
+    #define CYTHON_USE_PYLONG_INTERNALS 0
+  #endif
   #undef CYTHON_USE_PYLIST_INTERNALS
   #define CYTHON_USE_PYLIST_INTERNALS 0
   #ifndef CYTHON_USE_UNICODE_INTERNALS
@@ -119,8 +290,6 @@ END: Cython Metadata */
   #endif
   #undef CYTHON_USE_UNICODE_WRITER
   #define CYTHON_USE_UNICODE_WRITER 0
-  #undef CYTHON_USE_PYLONG_INTERNALS
-  #define CYTHON_USE_PYLONG_INTERNALS 0
   #ifndef CYTHON_AVOID_BORROWED_REFS
     #define CYTHON_AVOID_BORROWED_REFS 0
   #endif
@@ -132,27 +301,48 @@ END: Cython Metadata */
   #endif
   #undef CYTHON_FAST_THREAD_STATE
   #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #ifndef CYTHON_METH_FASTCALL
+    #define CYTHON_METH_FASTCALL 1
+  #endif
   #undef CYTHON_FAST_PYCALL
   #define CYTHON_FAST_PYCALL 0
-  #undef CYTHON_PEP489_MULTI_PHASE_INIT
-  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
-  #undef CYTHON_USE_TP_FINALIZE
-  #define CYTHON_USE_TP_FINALIZE 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #ifndef CYTHON_USE_MODULE_STATE
+    #define CYTHON_USE_MODULE_STATE 0
+  #endif
+  #ifndef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 1
+  #endif
   #undef CYTHON_USE_DICT_VERSIONS
   #define CYTHON_USE_DICT_VERSIONS 0
   #undef CYTHON_USE_EXC_INFO_STACK
   #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 1
+  #endif
+  #ifndef CYTHON_USE_FREELISTS
+    #define CYTHON_USE_FREELISTS 0
+  #endif
 #else
   #define CYTHON_COMPILING_IN_PYPY 0
-  #define CYTHON_COMPILING_IN_PYSTON 0
   #define CYTHON_COMPILING_IN_CPYTHON 1
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_NOGIL 0
   #ifndef CYTHON_USE_TYPE_SLOTS
     #define CYTHON_USE_TYPE_SLOTS 1
   #endif
-  #if PY_VERSION_HEX < 0x02070000
-    #undef CYTHON_USE_PYTYPE_LOOKUP
-    #define CYTHON_USE_PYTYPE_LOOKUP 0
-  #elif !defined(CYTHON_USE_PYTYPE_LOOKUP)
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
+  #ifndef CYTHON_USE_PYTYPE_LOOKUP
     #define CYTHON_USE_PYTYPE_LOOKUP 1
   #endif
   #if PY_MAJOR_VERSION < 3
@@ -161,10 +351,7 @@ END: Cython Metadata */
   #elif !defined(CYTHON_USE_ASYNC_SLOTS)
     #define CYTHON_USE_ASYNC_SLOTS 1
   #endif
-  #if PY_VERSION_HEX < 0x02070000
-    #undef CYTHON_USE_PYLONG_INTERNALS
-    #define CYTHON_USE_PYLONG_INTERNALS 0
-  #elif !defined(CYTHON_USE_PYLONG_INTERNALS)
+  #ifndef CYTHON_USE_PYLONG_INTERNALS
     #define CYTHON_USE_PYLONG_INTERNALS 1
   #endif
   #ifndef CYTHON_USE_PYLIST_INTERNALS
@@ -173,7 +360,7 @@ END: Cython Metadata */
   #ifndef CYTHON_USE_UNICODE_INTERNALS
     #define CYTHON_USE_UNICODE_INTERNALS 1
   #endif
-  #if PY_VERSION_HEX < 0x030300F0
+  #if PY_VERSION_HEX < 0x030300F0 || PY_VERSION_HEX >= 0x030B00A2
     #undef CYTHON_USE_UNICODE_WRITER
     #define CYTHON_USE_UNICODE_WRITER 0
   #elif !defined(CYTHON_USE_UNICODE_WRITER)
@@ -191,27 +378,63 @@ END: Cython Metadata */
   #ifndef CYTHON_FAST_THREAD_STATE
     #define CYTHON_FAST_THREAD_STATE 1
   #endif
+  #ifndef CYTHON_FAST_GIL
+    #define CYTHON_FAST_GIL (PY_MAJOR_VERSION < 3 || PY_VERSION_HEX >= 0x03060000 && PY_VERSION_HEX < 0x030C00A6)
+  #endif
+  #ifndef CYTHON_METH_FASTCALL
+    #define CYTHON_METH_FASTCALL (PY_VERSION_HEX >= 0x030700A1)
+  #endif
   #ifndef CYTHON_FAST_PYCALL
     #define CYTHON_FAST_PYCALL 1
   #endif
-  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
-    #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000)
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
   #endif
-  #ifndef CYTHON_USE_TP_FINALIZE
-    #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1)
+  #if PY_VERSION_HEX < 0x03050000
+    #undef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #elif !defined(CYTHON_PEP489_MULTI_PHASE_INIT)
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #ifndef CYTHON_USE_MODULE_STATE
+    #define CYTHON_USE_MODULE_STATE 0
   #endif
-  #ifndef CYTHON_USE_DICT_VERSIONS
-    #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1)
+  #if PY_VERSION_HEX < 0x030400a1
+    #undef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 0
+  #elif !defined(CYTHON_USE_TP_FINALIZE)
+    #define CYTHON_USE_TP_FINALIZE 1
   #endif
-  #ifndef CYTHON_USE_EXC_INFO_STACK
-    #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3)
+  #if PY_VERSION_HEX < 0x030600B1
+    #undef CYTHON_USE_DICT_VERSIONS
+    #define CYTHON_USE_DICT_VERSIONS 0
+  #elif !defined(CYTHON_USE_DICT_VERSIONS)
+    #define CYTHON_USE_DICT_VERSIONS  (PY_VERSION_HEX < 0x030C00A5)
+  #endif
+  #if PY_VERSION_HEX < 0x030700A3
+    #undef CYTHON_USE_EXC_INFO_STACK
+    #define CYTHON_USE_EXC_INFO_STACK 0
+  #elif !defined(CYTHON_USE_EXC_INFO_STACK)
+    #define CYTHON_USE_EXC_INFO_STACK 1
+  #endif
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 1
+  #endif
+  #ifndef CYTHON_USE_FREELISTS
+    #define CYTHON_USE_FREELISTS 1
   #endif
 #endif
 #if !defined(CYTHON_FAST_PYCCALL)
 #define CYTHON_FAST_PYCCALL  (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1)
 #endif
+#if !defined(CYTHON_VECTORCALL)
+#define CYTHON_VECTORCALL  (CYTHON_FAST_PYCCALL && PY_VERSION_HEX >= 0x030800B1)
+#endif
+#define CYTHON_BACKPORT_VECTORCALL (CYTHON_METH_FASTCALL && PY_VERSION_HEX < 0x030800B1)
 #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
+  #if PY_MAJOR_VERSION < 3
+    #include "longintrepr.h"
+  #endif
   #undef SHIFT
   #undef BASE
   #undef MASK
@@ -236,6 +459,17 @@ END: Cython Metadata */
     #define CYTHON_RESTRICT
   #endif
 #endif
+#ifndef CYTHON_UNUSED
+  #if defined(__cplusplus)
+    /* for clang __has_cpp_attribute(maybe_unused) is true even before C++17
+     * but leads to warnings with -pedantic, since it is a C++17 feature */
+    #if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || __cplusplus >= 201703L)
+      #if __has_cpp_attribute(maybe_unused)
+        #define CYTHON_UNUSED [[maybe_unused]]
+      #endif
+    #endif
+  #endif
+#endif
 #ifndef CYTHON_UNUSED
 # if defined(__GNUC__)
 #   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
@@ -249,13 +483,16 @@ END: Cython Metadata */
 #   define CYTHON_UNUSED
 # endif
 #endif
-#ifndef CYTHON_MAYBE_UNUSED_VAR
+#ifndef CYTHON_UNUSED_VAR
 #  if defined(__cplusplus)
-     template<class T> void CYTHON_MAYBE_UNUSED_VAR( const T& ) { }
+     template<class T> void CYTHON_UNUSED_VAR( const T& ) { }
 #  else
-#    define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x)
+#    define CYTHON_UNUSED_VAR(x) (void)(x)
 #  endif
 #endif
+#ifndef CYTHON_MAYBE_UNUSED_VAR
+  #define CYTHON_MAYBE_UNUSED_VAR(x) CYTHON_UNUSED_VAR(x)
+#endif
 #ifndef CYTHON_NCP_UNUSED
 # if CYTHON_COMPILING_IN_CPYTHON
 #  define CYTHON_NCP_UNUSED
@@ -263,28 +500,59 @@ END: Cython Metadata */
 #  define CYTHON_NCP_UNUSED CYTHON_UNUSED
 # endif
 #endif
+#ifndef CYTHON_USE_CPP_STD_MOVE
+  #if defined(__cplusplus) && (\
+    __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1600))
+    #define CYTHON_USE_CPP_STD_MOVE 1
+  #else
+    #define CYTHON_USE_CPP_STD_MOVE 0
+  #endif
+#endif
 #define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None)
 #ifdef _MSC_VER
     #ifndef _MSC_STDINT_H_
         #if _MSC_VER < 1300
-           typedef unsigned char     uint8_t;
-           typedef unsigned int      uint32_t;
+            typedef unsigned char     uint8_t;
+            typedef unsigned short    uint16_t;
+            typedef unsigned int      uint32_t;
+        #else
+            typedef unsigned __int8   uint8_t;
+            typedef unsigned __int16  uint16_t;
+            typedef unsigned __int32  uint32_t;
+        #endif
+    #endif
+    #if _MSC_VER < 1300
+        #ifdef _WIN64
+            typedef unsigned long long  __pyx_uintptr_t;
+        #else
+            typedef unsigned int        __pyx_uintptr_t;
+        #endif
+    #else
+        #ifdef _WIN64
+            typedef unsigned __int64    __pyx_uintptr_t;
         #else
-           typedef unsigned __int8   uint8_t;
-           typedef unsigned __int32  uint32_t;
+            typedef unsigned __int32    __pyx_uintptr_t;
         #endif
     #endif
 #else
-   #include <stdint.h>
+    #include <stdint.h>
+    typedef uintptr_t  __pyx_uintptr_t;
 #endif
 #ifndef CYTHON_FALLTHROUGH
-  #if defined(__cplusplus) && __cplusplus >= 201103L
-    #if __has_cpp_attribute(fallthrough)
-      #define CYTHON_FALLTHROUGH [[fallthrough]]
-    #elif __has_cpp_attribute(clang::fallthrough)
-      #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
-    #elif __has_cpp_attribute(gnu::fallthrough)
-      #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
+  #if defined(__cplusplus)
+    /* for clang __has_cpp_attribute(fallthrough) is true even before C++17
+     * but leads to warnings with -pedantic, since it is a C++17 feature */
+    #if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || __cplusplus >= 201703L)
+      #if __has_cpp_attribute(fallthrough)
+        #define CYTHON_FALLTHROUGH [[fallthrough]]
+      #endif
+    #endif
+    #ifndef CYTHON_FALLTHROUGH
+      #if __has_cpp_attribute(clang::fallthrough)
+        #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
+      #elif __has_cpp_attribute(gnu::fallthrough)
+        #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
+      #endif
     #endif
   #endif
   #ifndef CYTHON_FALLTHROUGH
@@ -294,13 +562,26 @@ END: Cython Metadata */
       #define CYTHON_FALLTHROUGH
     #endif
   #endif
-  #if defined(__clang__ ) && defined(__apple_build_version__)
+  #if defined(__clang__) && defined(__apple_build_version__)
     #if __apple_build_version__ < 7000000
       #undef  CYTHON_FALLTHROUGH
       #define CYTHON_FALLTHROUGH
     #endif
   #endif
 #endif
+#ifdef __cplusplus
+  template <typename T>
+  struct __PYX_IS_UNSIGNED_IMPL {static const bool value = T(0) < T(-1);};
+  #define __PYX_IS_UNSIGNED(type) (__PYX_IS_UNSIGNED_IMPL<type>::value)
+#else
+  #define __PYX_IS_UNSIGNED(type) (((type)-1) > 0)
+#endif
+#if CYTHON_COMPILING_IN_PYPY == 1
+  #define __PYX_NEED_TP_PRINT_SLOT  (PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x030A0000)
+#else
+  #define __PYX_NEED_TP_PRINT_SLOT  (PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000)
+#endif
+#define __PYX_REINTERPRET_FUNCION(func_pointer, other_pointer) ((func_pointer)(void(*)(void))(other_pointer))
 
 #ifndef CYTHON_INLINE
   #if defined(__clang__)
@@ -316,26 +597,145 @@ END: Cython Metadata */
   #endif
 #endif
 
-#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
-  #define Py_OptimizeFlag 0
-#endif
 #define __PYX_BUILD_PY_SSIZE_T "n"
 #define CYTHON_FORMAT_SSIZE_T "z"
 #if PY_MAJOR_VERSION < 3
   #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
-          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
   #define __Pyx_DefaultClassType PyClass_Type
+  #define __Pyx_PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #else
   #define __Pyx_BUILTIN_MODULE_NAME "builtins"
-#if PY_VERSION_HEX >= 0x030800A4 && PY_VERSION_HEX < 0x030800B2
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
-          PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+  #define __Pyx_DefaultClassType PyType_Type
+#if CYTHON_COMPILING_IN_LIMITED_API
+    static CYTHON_INLINE PyObject* __Pyx_PyCode_New(int a, int p, int k, int l, int s, int f,
+                                                    PyObject *code, PyObject *c, PyObject* n, PyObject *v,
+                                                    PyObject *fv, PyObject *cell, PyObject* fn,
+                                                    PyObject *name, int fline, PyObject *lnos) {
+        PyObject *exception_table = NULL;
+        PyObject *types_module=NULL, *code_type=NULL, *result=NULL;
+        #if __PYX_LIMITED_VERSION_HEX < 0x030B0000
+        PyObject *version_info;
+        PyObject *py_minor_version = NULL;
+        #endif
+        long minor_version = 0;
+        PyObject *type, *value, *traceback;
+        PyErr_Fetch(&type, &value, &traceback);
+        #if __PYX_LIMITED_VERSION_HEX >= 0x030B0000
+        minor_version = 11;
+        #else
+        if (!(version_info = PySys_GetObject("version_info"))) goto end;
+        if (!(py_minor_version = PySequence_GetItem(version_info, 1))) goto end;
+        minor_version = PyLong_AsLong(py_minor_version);
+        Py_DECREF(py_minor_version);
+        if (minor_version == -1 && PyErr_Occurred()) goto end;
+        #endif
+        if (!(types_module = PyImport_ImportModule("types"))) goto end;
+        if (!(code_type = PyObject_GetAttrString(types_module, "CodeType"))) goto end;
+        if (minor_version <= 7) {
+            (void)p;
+            result = PyObject_CallFunction(code_type, "iiiiiOOOOOOiOO", a, k, l, s, f, code,
+                          c, n, v, fn, name, fline, lnos, fv, cell);
+        } else if (minor_version <= 10) {
+            result = PyObject_CallFunction(code_type, "iiiiiiOOOOOOiOO", a,p, k, l, s, f, code,
+                          c, n, v, fn, name, fline, lnos, fv, cell);
+        } else {
+            if (!(exception_table = PyBytes_FromStringAndSize(NULL, 0))) goto end;
+            result = PyObject_CallFunction(code_type, "iiiiiiOOOOOOOiOO", a,p, k, l, s, f, code,
+                          c, n, v, fn, name, name, fline, lnos, exception_table, fv, cell);
+        }
+    end:
+        Py_XDECREF(code_type);
+        Py_XDECREF(exception_table);
+        Py_XDECREF(types_module);
+        if (type) {
+            PyErr_Restore(type, value, traceback);
+        }
+        return result;
+    }
+    #ifndef CO_OPTIMIZED
+    #define CO_OPTIMIZED 0x0001
+    #endif
+    #ifndef CO_NEWLOCALS
+    #define CO_NEWLOCALS 0x0002
+    #endif
+    #ifndef CO_VARARGS
+    #define CO_VARARGS 0x0004
+    #endif
+    #ifndef CO_VARKEYWORDS
+    #define CO_VARKEYWORDS 0x0008
+    #endif
+    #ifndef CO_ASYNC_GENERATOR
+    #define CO_ASYNC_GENERATOR 0x0200
+    #endif
+    #ifndef CO_GENERATOR
+    #define CO_GENERATOR 0x0020
+    #endif
+    #ifndef CO_COROUTINE
+    #define CO_COROUTINE 0x0080
+    #endif
+#elif PY_VERSION_HEX >= 0x030B0000
+  static CYTHON_INLINE PyCodeObject* __Pyx_PyCode_New(int a, int p, int k, int l, int s, int f,
+                                                    PyObject *code, PyObject *c, PyObject* n, PyObject *v,
+                                                    PyObject *fv, PyObject *cell, PyObject* fn,
+                                                    PyObject *name, int fline, PyObject *lnos) {
+    PyCodeObject *result;
+    PyObject *empty_bytes = PyBytes_FromStringAndSize("", 0);
+    if (!empty_bytes) return NULL;
+    result =
+      #if PY_VERSION_HEX >= 0x030C0000
+        PyUnstable_Code_NewWithPosOnlyArgs
+      #else
+        PyCode_NewWithPosOnlyArgs
+      #endif
+        (a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, name, fline, lnos, empty_bytes);
+    Py_DECREF(empty_bytes);
+    return result;
+  }
+#elif PY_VERSION_HEX >= 0x030800B2 && !CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+          PyCode_NewWithPosOnlyArgs(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #else
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+  #define __Pyx_PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
           PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #endif
-  #define __Pyx_DefaultClassType PyType_Type
+#endif
+#if PY_VERSION_HEX >= 0x030900A4 || defined(Py_IS_TYPE)
+  #define __Pyx_IS_TYPE(ob, type) Py_IS_TYPE(ob, type)
+#else
+  #define __Pyx_IS_TYPE(ob, type) (((const PyObject*)ob)->ob_type == (type))
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_Is)
+  #define __Pyx_Py_Is(x, y)  Py_Is(x, y)
+#else
+  #define __Pyx_Py_Is(x, y) ((x) == (y))
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsNone)
+  #define __Pyx_Py_IsNone(ob) Py_IsNone(ob)
+#else
+  #define __Pyx_Py_IsNone(ob) __Pyx_Py_Is((ob), Py_None)
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsTrue)
+  #define __Pyx_Py_IsTrue(ob) Py_IsTrue(ob)
+#else
+  #define __Pyx_Py_IsTrue(ob) __Pyx_Py_Is((ob), Py_True)
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsFalse)
+  #define __Pyx_Py_IsFalse(ob) Py_IsFalse(ob)
+#else
+  #define __Pyx_Py_IsFalse(ob) __Pyx_Py_Is((ob), Py_False)
+#endif
+#define __Pyx_NoneAsNull(obj)  (__Pyx_Py_IsNone(obj) ? NULL : (obj))
+#if PY_VERSION_HEX >= 0x030900F0 && !CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyObject_GC_IsFinalized(o) PyObject_GC_IsFinalized(o)
+#else
+  #define __Pyx_PyObject_GC_IsFinalized(o) _PyGC_FINALIZED(o)
+#endif
+#ifndef CO_COROUTINE
+  #define CO_COROUTINE 0x80
+#endif
+#ifndef CO_ASYNC_GENERATOR
+  #define CO_ASYNC_GENERATOR 0x200
 #endif
 #ifndef Py_TPFLAGS_CHECKTYPES
   #define Py_TPFLAGS_CHECKTYPES 0
@@ -349,6 +749,12 @@ END: Cython Metadata */
 #ifndef Py_TPFLAGS_HAVE_FINALIZE
   #define Py_TPFLAGS_HAVE_FINALIZE 0
 #endif
+#ifndef Py_TPFLAGS_SEQUENCE
+  #define Py_TPFLAGS_SEQUENCE 0
+#endif
+#ifndef Py_TPFLAGS_MAPPING
+  #define Py_TPFLAGS_MAPPING 0
+#endif
 #ifndef METH_STACKLESS
   #define METH_STACKLESS 0
 #endif
@@ -360,34 +766,89 @@ END: Cython Metadata */
   typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args,
                                                           Py_ssize_t nargs, PyObject *kwnames);
 #else
-  #define __Pyx_PyCFunctionFast _PyCFunctionFast
-  #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords
+  #if PY_VERSION_HEX >= 0x030d00A4
+  #  define __Pyx_PyCFunctionFast PyCFunctionFast
+  #  define __Pyx_PyCFunctionFastWithKeywords PyCFunctionFastWithKeywords
+  #else
+  #  define __Pyx_PyCFunctionFast _PyCFunctionFast
+  #  define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords
+  #endif
+#endif
+#if CYTHON_METH_FASTCALL
+  #define __Pyx_METH_FASTCALL METH_FASTCALL
+  #define __Pyx_PyCFunction_FastCall __Pyx_PyCFunctionFast
+  #define __Pyx_PyCFunction_FastCallWithKeywords __Pyx_PyCFunctionFastWithKeywords
+#else
+  #define __Pyx_METH_FASTCALL METH_VARARGS
+  #define __Pyx_PyCFunction_FastCall PyCFunction
+  #define __Pyx_PyCFunction_FastCallWithKeywords PyCFunctionWithKeywords
+#endif
+#if CYTHON_VECTORCALL
+  #define __pyx_vectorcallfunc vectorcallfunc
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  PY_VECTORCALL_ARGUMENTS_OFFSET
+  #define __Pyx_PyVectorcall_NARGS(n)  PyVectorcall_NARGS((size_t)(n))
+#elif CYTHON_BACKPORT_VECTORCALL
+  typedef PyObject *(*__pyx_vectorcallfunc)(PyObject *callable, PyObject *const *args,
+                                            size_t nargsf, PyObject *kwnames);
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  ((size_t)1 << (8 * sizeof(size_t) - 1))
+  #define __Pyx_PyVectorcall_NARGS(n)  ((Py_ssize_t)(((size_t)(n)) & ~__Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET))
+#else
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  0
+  #define __Pyx_PyVectorcall_NARGS(n)  ((Py_ssize_t)(n))
+#endif
+#if PY_MAJOR_VERSION >= 0x030900B1
+#define __Pyx_PyCFunction_CheckExact(func)  PyCFunction_CheckExact(func)
+#else
+#define __Pyx_PyCFunction_CheckExact(func)  PyCFunction_Check(func)
 #endif
-#if CYTHON_FAST_PYCCALL
-#define __Pyx_PyFastCFunction_Check(func)\
-    ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS)))))
+#define __Pyx_CyOrPyCFunction_Check(func)  PyCFunction_Check(func)
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_CyOrPyCFunction_GET_FUNCTION(func)  (((PyCFunctionObject*)(func))->m_ml->ml_meth)
+#elif !CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_CyOrPyCFunction_GET_FUNCTION(func)  PyCFunction_GET_FUNCTION(func)
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_CyOrPyCFunction_GET_FLAGS(func)  (((PyCFunctionObject*)(func))->m_ml->ml_flags)
+static CYTHON_INLINE PyObject* __Pyx_CyOrPyCFunction_GET_SELF(PyObject *func) {
+    return (__Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_STATIC) ? NULL : ((PyCFunctionObject*)func)->m_self;
+}
+#endif
+static CYTHON_INLINE int __Pyx__IsSameCFunction(PyObject *func, void *cfunc) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    return PyCFunction_Check(func) && PyCFunction_GetFunction(func) == (PyCFunction) cfunc;
+#else
+    return PyCFunction_Check(func) && PyCFunction_GET_FUNCTION(func) == (PyCFunction) cfunc;
+#endif
+}
+#define __Pyx_IsSameCFunction(func, cfunc)   __Pyx__IsSameCFunction(func, cfunc)
+#if __PYX_LIMITED_VERSION_HEX < 0x030900B1
+  #define __Pyx_PyType_FromModuleAndSpec(m, s, b)  ((void)m, PyType_FromSpecWithBases(s, b))
+  typedef PyObject *(*__Pyx_PyCMethod)(PyObject *, PyTypeObject *, PyObject *const *, size_t, PyObject *);
 #else
-#define __Pyx_PyFastCFunction_Check(func) 0
+  #define __Pyx_PyType_FromModuleAndSpec(m, s, b)  PyType_FromModuleAndSpec(m, s, b)
+  #define __Pyx_PyCMethod  PyCMethod
+#endif
+#ifndef METH_METHOD
+  #define METH_METHOD 0x200
 #endif
 #if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc)
   #define PyObject_Malloc(s)   PyMem_Malloc(s)
   #define PyObject_Free(p)     PyMem_Free(p)
   #define PyObject_Realloc(p)  PyMem_Realloc(p)
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1
-  #define PyMem_RawMalloc(n)           PyMem_Malloc(n)
-  #define PyMem_RawRealloc(p, n)       PyMem_Realloc(p, n)
-  #define PyMem_RawFree(p)             PyMem_Free(p)
-#endif
-#if CYTHON_COMPILING_IN_PYSTON
-  #define __Pyx_PyCode_HasFreeVars(co)  PyCode_HasFreeVars(co)
-  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno)
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)
 #else
   #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
   #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
 #endif
-#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyThreadState_Current PyThreadState_Get()
+#elif !CYTHON_FAST_THREAD_STATE
   #define __Pyx_PyThreadState_Current PyThreadState_GET()
+#elif PY_VERSION_HEX >= 0x030d00A1
+  #define __Pyx_PyThreadState_Current PyThreadState_GetUnchecked()
 #elif PY_VERSION_HEX >= 0x03060000
   #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet()
 #elif PY_VERSION_HEX >= 0x03000000
@@ -395,6 +856,22 @@ END: Cython Metadata */
 #else
   #define __Pyx_PyThreadState_Current _PyThreadState_Current
 #endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+static CYTHON_INLINE void *__Pyx_PyModule_GetState(PyObject *op)
+{
+    void *result;
+    result = PyModule_GetState(op);
+    if (!result)
+        Py_FatalError("Couldn't find the module state");
+    return result;
+}
+#endif
+#define __Pyx_PyObject_GetSlot(obj, name, func_ctype)  __Pyx_PyType_GetSlot(Py_TYPE(obj), name, func_ctype)
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyType_GetSlot(type, name, func_ctype)  ((func_ctype) PyType_GetSlot((type), Py_##name))
+#else
+  #define __Pyx_PyType_GetSlot(type, name, func_ctype)  ((type)->name)
+#endif
 #if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT)
 #include "pythread.h"
 #define Py_tss_NEEDS_INIT 0
@@ -425,7 +902,29 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   return PyThread_get_key_value(*key);
 }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized)
+#if PY_MAJOR_VERSION < 3
+    #if CYTHON_COMPILING_IN_PYPY
+        #if PYPY_VERSION_NUM < 0x07030600
+            #if defined(__cplusplus) && __cplusplus >= 201402L
+                [[deprecated("`with nogil:` inside a nogil function will not release the GIL in PyPy2 < 7.3.6")]]
+            #elif defined(__GNUC__) || defined(__clang__)
+                __attribute__ ((__deprecated__("`with nogil:` inside a nogil function will not release the GIL in PyPy2 < 7.3.6")))
+            #elif defined(_MSC_VER)
+                __declspec(deprecated("`with nogil:` inside a nogil function will not release the GIL in PyPy2 < 7.3.6"))
+            #endif
+            static CYTHON_INLINE int PyGILState_Check(void) {
+                return 0;
+            }
+        #else  // PYPY_VERSION_NUM < 0x07030600
+        #endif  // PYPY_VERSION_NUM < 0x07030600
+    #else
+        static CYTHON_INLINE int PyGILState_Check(void) {
+            PyThreadState * tstate = _PyThreadState_Current;
+            return tstate && (tstate == PyGILState_GetThisThreadState());
+        }
+    #endif
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030d0000 || defined(_PyDict_NewPresized)
 #define __Pyx_PyDict_NewPresized(n)  ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n))
 #else
 #define __Pyx_PyDict_NewPresized(n)  PyDict_New()
@@ -437,34 +936,91 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
   #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS
-#define __Pyx_PyDict_GetItemStr(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX > 0x030600B4 && PY_VERSION_HEX < 0x030d0000 && CYTHON_USE_UNICODE_INTERNALS
+#define __Pyx_PyDict_GetItemStrWithError(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
+static CYTHON_INLINE PyObject * __Pyx_PyDict_GetItemStr(PyObject *dict, PyObject *name) {
+    PyObject *res = __Pyx_PyDict_GetItemStrWithError(dict, name);
+    if (res == NULL) PyErr_Clear();
+    return res;
+}
+#elif PY_MAJOR_VERSION >= 3 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07020000)
+#define __Pyx_PyDict_GetItemStrWithError  PyDict_GetItemWithError
+#define __Pyx_PyDict_GetItemStr           PyDict_GetItem
+#else
+static CYTHON_INLINE PyObject * __Pyx_PyDict_GetItemStrWithError(PyObject *dict, PyObject *name) {
+#if CYTHON_COMPILING_IN_PYPY
+    return PyDict_GetItem(dict, name);
+#else
+    PyDictEntry *ep;
+    PyDictObject *mp = (PyDictObject*) dict;
+    long hash = ((PyStringObject *) name)->ob_shash;
+    assert(hash != -1);
+    ep = (mp->ma_lookup)(mp, name, hash);
+    if (ep == NULL) {
+        return NULL;
+    }
+    return ep->me_value;
+#endif
+}
+#define __Pyx_PyDict_GetItemStr           PyDict_GetItem
+#endif
+#if CYTHON_USE_TYPE_SLOTS
+  #define __Pyx_PyType_GetFlags(tp)   (((PyTypeObject *)tp)->tp_flags)
+  #define __Pyx_PyType_HasFeature(type, feature)  ((__Pyx_PyType_GetFlags(type) & (feature)) != 0)
+  #define __Pyx_PyObject_GetIterNextFunc(obj)  (Py_TYPE(obj)->tp_iternext)
+#else
+  #define __Pyx_PyType_GetFlags(tp)   (PyType_GetFlags((PyTypeObject *)tp))
+  #define __Pyx_PyType_HasFeature(type, feature)  PyType_HasFeature(type, feature)
+  #define __Pyx_PyObject_GetIterNextFunc(obj)  PyIter_Next
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_SetItemOnTypeDict(tp, k, v) PyObject_GenericSetAttr((PyObject*)tp, k, v)
+#else
+  #define __Pyx_SetItemOnTypeDict(tp, k, v) PyDict_SetItem(tp->tp_dict, k, v)
+#endif
+#if CYTHON_USE_TYPE_SPECS && PY_VERSION_HEX >= 0x03080000
+#define __Pyx_PyHeapTypeObject_GC_Del(obj)  {\
+    PyTypeObject *type = Py_TYPE((PyObject*)obj);\
+    assert(__Pyx_PyType_HasFeature(type, Py_TPFLAGS_HEAPTYPE));\
+    PyObject_GC_Del(obj);\
+    Py_DECREF(type);\
+}
 #else
-#define __Pyx_PyDict_GetItemStr(dict, name)  PyDict_GetItem(dict, name)
+#define __Pyx_PyHeapTypeObject_GC_Del(obj)  PyObject_GC_Del(obj)
 #endif
-#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
+#if CYTHON_COMPILING_IN_LIMITED_API
   #define CYTHON_PEP393_ENABLED 1
-  #if defined(PyUnicode_IS_READY)
-  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
-                                              0 : _PyUnicode_Ready((PyObject *)(op)))
-  #else
   #define __Pyx_PyUnicode_READY(op)       (0)
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GetLength(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_ReadChar(u, i)
+  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((void)u, 1114111U)
+  #define __Pyx_PyUnicode_KIND(u)         ((void)u, (0))
+  #define __Pyx_PyUnicode_DATA(u)         ((void*)u)
+  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)k, PyUnicode_ReadChar((PyObject*)(d), i))
+  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GetLength(u))
+#elif PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
+  #define CYTHON_PEP393_ENABLED 1
+  #if PY_VERSION_HEX >= 0x030C0000
+    #define __Pyx_PyUnicode_READY(op)       (0)
+  #else
+    #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
+                                                0 : _PyUnicode_Ready((PyObject *)(op)))
   #endif
   #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
   #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
-  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
+  #define __Pyx_PyUnicode_KIND(u)         ((int)PyUnicode_KIND(u))
   #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
   #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
-  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, ch)
-  #if defined(PyUnicode_IS_READY) && defined(PyUnicode_GET_SIZE)
-  #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03090000
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : ((PyCompactUnicodeObject *)(u))->wstr_length))
+  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, (Py_UCS4) ch)
+  #if PY_VERSION_HEX >= 0x030C0000
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_LENGTH(u))
   #else
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
-  #endif
-  #else
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_LENGTH(u))
+    #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03090000
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : ((PyCompactUnicodeObject *)(u))->wstr_length))
+    #else
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
+    #endif
   #endif
 #else
   #define CYTHON_PEP393_ENABLED 0
@@ -474,11 +1030,11 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_PyUnicode_READY(op)       (0)
   #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
-  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111)
-  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
+  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535U : 1114111U)
+  #define __Pyx_PyUnicode_KIND(u)         ((int)sizeof(Py_UNICODE))
   #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
   #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
-  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = ch)
+  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = (Py_UNICODE) ch)
   #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_SIZE(u))
 #endif
 #if CYTHON_COMPILING_IN_PYPY
@@ -489,14 +1045,20 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\
       PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
 #endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains)
-  #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check)
-  #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format)
-  #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
+#if CYTHON_COMPILING_IN_PYPY
+  #if !defined(PyUnicode_DecodeUnicodeEscape)
+    #define PyUnicode_DecodeUnicodeEscape(s, size, errors)  PyUnicode_Decode(s, size, "unicode_escape", errors)
+  #endif
+  #if !defined(PyUnicode_Contains) || (PY_MAJOR_VERSION == 2 && PYPY_VERSION_NUM < 0x07030500)
+    #undef PyUnicode_Contains
+    #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
+  #endif
+  #if !defined(PyByteArray_Check)
+    #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
+  #endif
+  #if !defined(PyObject_Format)
+    #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
+  #endif
 #endif
 #define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
 #define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
@@ -525,8 +1087,14 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
   #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
 #endif
-#ifndef PySet_CheckExact
-  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
+#if CYTHON_COMPILING_IN_CPYTHON
+  #define __Pyx_PySequence_ListKeepNew(obj)\
+    (likely(PyList_CheckExact(obj) && Py_REFCNT(obj) == 1) ? __Pyx_NewRef(obj) : PySequence_List(obj))
+#else
+  #define __Pyx_PySequence_ListKeepNew(obj)  PySequence_List(obj)
+#endif
+#ifndef PySet_CheckExact
+  #define PySet_CheckExact(obj)        __Pyx_IS_TYPE(obj, &PySet_Type)
 #endif
 #if PY_VERSION_HEX >= 0x030900A4
   #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt)
@@ -536,15 +1104,42 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size)
 #endif
 #if CYTHON_ASSUME_SAFE_MACROS
+  #define __Pyx_PySequence_ITEM(o, i) PySequence_ITEM(o, i)
   #define __Pyx_PySequence_SIZE(seq)  Py_SIZE(seq)
+  #define __Pyx_PyTuple_SET_ITEM(o, i, v) (PyTuple_SET_ITEM(o, i, v), (0))
+  #define __Pyx_PyList_SET_ITEM(o, i, v) (PyList_SET_ITEM(o, i, v), (0))
+  #define __Pyx_PyTuple_GET_SIZE(o) PyTuple_GET_SIZE(o)
+  #define __Pyx_PyList_GET_SIZE(o) PyList_GET_SIZE(o)
+  #define __Pyx_PySet_GET_SIZE(o) PySet_GET_SIZE(o)
+  #define __Pyx_PyBytes_GET_SIZE(o) PyBytes_GET_SIZE(o)
+  #define __Pyx_PyByteArray_GET_SIZE(o) PyByteArray_GET_SIZE(o)
 #else
+  #define __Pyx_PySequence_ITEM(o, i) PySequence_GetItem(o, i)
   #define __Pyx_PySequence_SIZE(seq)  PySequence_Size(seq)
+  #define __Pyx_PyTuple_SET_ITEM(o, i, v) PyTuple_SetItem(o, i, v)
+  #define __Pyx_PyList_SET_ITEM(o, i, v) PyList_SetItem(o, i, v)
+  #define __Pyx_PyTuple_GET_SIZE(o) PyTuple_Size(o)
+  #define __Pyx_PyList_GET_SIZE(o) PyList_Size(o)
+  #define __Pyx_PySet_GET_SIZE(o) PySet_Size(o)
+  #define __Pyx_PyBytes_GET_SIZE(o) PyBytes_Size(o)
+  #define __Pyx_PyByteArray_GET_SIZE(o) PyByteArray_Size(o)
+#endif
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d00A1
+  #define __Pyx_PyImport_AddModuleRef(name) PyImport_AddModuleRef(name)
+#else
+  static CYTHON_INLINE PyObject *__Pyx_PyImport_AddModuleRef(const char *name) {
+      PyObject *module = PyImport_AddModule(name);
+      Py_XINCREF(module);
+      return module;
+  }
 #endif
 #if PY_MAJOR_VERSION >= 3
   #define PyIntObject                  PyLongObject
   #define PyInt_Type                   PyLong_Type
   #define PyInt_Check(op)              PyLong_Check(op)
   #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
+  #define __Pyx_Py3Int_Check(op)       PyLong_Check(op)
+  #define __Pyx_Py3Int_CheckExact(op)  PyLong_CheckExact(op)
   #define PyInt_FromString             PyLong_FromString
   #define PyInt_FromUnicode            PyLong_FromUnicode
   #define PyInt_FromLong               PyLong_FromLong
@@ -556,6 +1151,9 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
   #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
   #define PyNumber_Int                 PyNumber_Long
+#else
+  #define __Pyx_Py3Int_Check(op)       (PyLong_Check(op) || PyInt_Check(op))
+  #define __Pyx_Py3Int_CheckExact(op)  (PyLong_CheckExact(op) || PyInt_CheckExact(op))
 #endif
 #if PY_MAJOR_VERSION >= 3
   #define PyBoolObject                 PyLongObject
@@ -568,15 +1166,10 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
 #if PY_VERSION_HEX < 0x030200A4
   typedef long Py_hash_t;
   #define __Pyx_PyInt_FromHash_t PyInt_FromLong
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
+  #define __Pyx_PyInt_AsHash_t   __Pyx_PyIndex_AsHash_t
 #else
   #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func))
-#else
-  #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
+  #define __Pyx_PyInt_AsHash_t   __Pyx_PyIndex_AsSsize_t
 #endif
 #if CYTHON_USE_ASYNC_SLOTS
   #if PY_VERSION_HEX >= 0x030500B1
@@ -596,8 +1189,10 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
     } __Pyx_PyAsyncMethodsStruct;
 #endif
 
-#if defined(WIN32) || defined(MS_WINDOWS)
-  #define _USE_MATH_DEFINES
+#if defined(_WIN32) || defined(WIN32) || defined(MS_WINDOWS)
+  #if !defined(_USE_MATH_DEFINES)
+    #define _USE_MATH_DEFINES
+  #endif
 #endif
 #include <math.h>
 #ifdef NAN
@@ -616,11 +1211,20 @@ static CYTHON_INLINE float __PYX_NAN() {
 #endif
 
 #define __PYX_MARK_ERR_POS(f_index, lineno) \
-    { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; }
+    { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__;  (void)__pyx_clineno; }
 #define __PYX_ERR(f_index, lineno, Ln_error) \
     { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; }
 
-#ifndef __PYX_EXTERN_C
+#ifdef CYTHON_EXTERN_C
+    #undef __PYX_EXTERN_C
+    #define __PYX_EXTERN_C CYTHON_EXTERN_C
+#elif defined(__PYX_EXTERN_C)
+    #ifdef _MSC_VER
+    #pragma message ("Please do not define the '__PYX_EXTERN_C' macro externally. Use 'CYTHON_EXTERN_C' instead.")
+    #else
+    #warning Please do not define the '__PYX_EXTERN_C' macro externally. Use 'CYTHON_EXTERN_C' instead.
+    #endif
+#else
   #ifdef __cplusplus
     #define __PYX_EXTERN_C extern "C"
   #else
@@ -634,8 +1238,6 @@ static CYTHON_INLINE float __PYX_NAN() {
 #include "pythread.h"
 #include <string.h>
 #include <stdlib.h>
-#include <stdio.h>
-#include "pystate.h"
 #ifdef _OPENMP
 #include <omp.h>
 #endif /* _OPENMP */
@@ -684,9 +1286,10 @@ static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) {
 #else
     #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
 #endif
+static CYTHON_INLINE Py_ssize_t __Pyx_ssize_strlen(const char *s);
 static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*);
 static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
-#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
+static CYTHON_INLINE PyObject* __Pyx_PyByteArray_FromString(const char*);
 #define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
 #define __Pyx_PyBytes_FromString        PyBytes_FromString
 #define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
@@ -704,9 +1307,9 @@ static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
 #define __Pyx_PyBytes_AsString(s)     ((const char*) PyBytes_AS_STRING(s))
 #define __Pyx_PyBytes_AsSString(s)    ((const signed char*) PyBytes_AS_STRING(s))
 #define __Pyx_PyBytes_AsUString(s)    ((const unsigned char*) PyBytes_AS_STRING(s))
-#define __Pyx_PyObject_AsWritableString(s)    ((char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableString(s)    ((char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
 #define __Pyx_PyObject_AsSString(s)    ((const signed char*) __Pyx_PyObject_AsString(s))
 #define __Pyx_PyObject_AsUString(s)    ((const unsigned char*) __Pyx_PyObject_AsString(s))
 #define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
@@ -714,13 +1317,7 @@ static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
 #define __Pyx_PyByteArray_FromCString(s)   __Pyx_PyByteArray_FromString((const char*)s)
 #define __Pyx_PyStr_FromCString(s)     __Pyx_PyStr_FromString((const char*)s)
 #define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
-static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) {
-    const Py_UNICODE *u_end = u;
-    while (*u_end++) ;
-    return (size_t)(u_end - u - 1);
-}
-#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
-#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
+#define __Pyx_PyUnicode_FromOrdinal(o)       PyUnicode_FromOrdinal((int)o)
 #define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
 #define __Pyx_NewRef(obj) (Py_INCREF(obj), obj)
 #define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None)
@@ -732,6 +1329,7 @@ static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x);
     (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj))
 static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
 static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
+static CYTHON_INLINE Py_hash_t __Pyx_PyIndex_AsHash_t(PyObject*);
 #if CYTHON_ASSUME_SAFE_MACROS
 #define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
 #else
@@ -743,8 +1341,54 @@ static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
 #else
 #define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x))
 #endif
-#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x))
+#if CYTHON_USE_PYLONG_INTERNALS
+  #if PY_VERSION_HEX >= 0x030C00A7
+  #ifndef _PyLong_SIGN_MASK
+    #define _PyLong_SIGN_MASK 3
+  #endif
+  #ifndef _PyLong_NON_SIZE_BITS
+    #define _PyLong_NON_SIZE_BITS 3
+  #endif
+  #define __Pyx_PyLong_Sign(x)  (((PyLongObject*)x)->long_value.lv_tag & _PyLong_SIGN_MASK)
+  #define __Pyx_PyLong_IsNeg(x)  ((__Pyx_PyLong_Sign(x) & 2) != 0)
+  #define __Pyx_PyLong_IsNonNeg(x)  (!__Pyx_PyLong_IsNeg(x))
+  #define __Pyx_PyLong_IsZero(x)  (__Pyx_PyLong_Sign(x) & 1)
+  #define __Pyx_PyLong_IsPos(x)  (__Pyx_PyLong_Sign(x) == 0)
+  #define __Pyx_PyLong_CompactValueUnsigned(x)  (__Pyx_PyLong_Digits(x)[0])
+  #define __Pyx_PyLong_DigitCount(x)  ((Py_ssize_t) (((PyLongObject*)x)->long_value.lv_tag >> _PyLong_NON_SIZE_BITS))
+  #define __Pyx_PyLong_SignedDigitCount(x)\
+        ((1 - (Py_ssize_t) __Pyx_PyLong_Sign(x)) * __Pyx_PyLong_DigitCount(x))
+  #if defined(PyUnstable_Long_IsCompact) && defined(PyUnstable_Long_CompactValue)
+    #define __Pyx_PyLong_IsCompact(x)     PyUnstable_Long_IsCompact((PyLongObject*) x)
+    #define __Pyx_PyLong_CompactValue(x)  PyUnstable_Long_CompactValue((PyLongObject*) x)
+  #else
+    #define __Pyx_PyLong_IsCompact(x)     (((PyLongObject*)x)->long_value.lv_tag < (2 << _PyLong_NON_SIZE_BITS))
+    #define __Pyx_PyLong_CompactValue(x)  ((1 - (Py_ssize_t) __Pyx_PyLong_Sign(x)) * (Py_ssize_t) __Pyx_PyLong_Digits(x)[0])
+  #endif
+  typedef Py_ssize_t  __Pyx_compact_pylong;
+  typedef size_t  __Pyx_compact_upylong;
+  #else
+  #define __Pyx_PyLong_IsNeg(x)  (Py_SIZE(x) < 0)
+  #define __Pyx_PyLong_IsNonNeg(x)  (Py_SIZE(x) >= 0)
+  #define __Pyx_PyLong_IsZero(x)  (Py_SIZE(x) == 0)
+  #define __Pyx_PyLong_IsPos(x)  (Py_SIZE(x) > 0)
+  #define __Pyx_PyLong_CompactValueUnsigned(x)  ((Py_SIZE(x) == 0) ? 0 : __Pyx_PyLong_Digits(x)[0])
+  #define __Pyx_PyLong_DigitCount(x)  __Pyx_sst_abs(Py_SIZE(x))
+  #define __Pyx_PyLong_SignedDigitCount(x)  Py_SIZE(x)
+  #define __Pyx_PyLong_IsCompact(x)  (Py_SIZE(x) == 0 || Py_SIZE(x) == 1 || Py_SIZE(x) == -1)
+  #define __Pyx_PyLong_CompactValue(x)\
+        ((Py_SIZE(x) == 0) ? (sdigit) 0 : ((Py_SIZE(x) < 0) ? -(sdigit)__Pyx_PyLong_Digits(x)[0] : (sdigit)__Pyx_PyLong_Digits(x)[0]))
+  typedef sdigit  __Pyx_compact_pylong;
+  typedef digit  __Pyx_compact_upylong;
+  #endif
+  #if PY_VERSION_HEX >= 0x030C00A5
+  #define __Pyx_PyLong_Digits(x)  (((PyLongObject*)x)->long_value.ob_digit)
+  #else
+  #define __Pyx_PyLong_Digits(x)  (((PyLongObject*)x)->ob_digit)
+  #endif
+#endif
 #if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+#include <string.h>
 static int __Pyx_sys_getdefaultencoding_not_ascii;
 static int __Pyx_init_sys_getdefaultencoding_params(void) {
     PyObject* sys;
@@ -765,7 +1409,7 @@ static int __Pyx_init_sys_getdefaultencoding_params(void) {
         char ascii_chars[128];
         int c;
         for (c = 0; c < 128; c++) {
-            ascii_chars[c] = c;
+            ascii_chars[c] = (char) c;
         }
         __Pyx_sys_getdefaultencoding_not_ascii = 1;
         ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
@@ -795,6 +1439,7 @@ bad:
 #else
 #define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
 #if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
+#include <string.h>
 static char* __PYX_DEFAULT_STRING_ENCODING;
 static int __Pyx_init_sys_getdefaultencoding_params(void) {
     PyObject* sys;
@@ -830,23 +1475,19 @@ bad:
 #endif /* __GNUC__ */
 static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; }
 
+#if !CYTHON_USE_MODULE_STATE
 static PyObject *__pyx_m = NULL;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_cython_runtime = NULL;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static PyObject *__pyx_empty_unicode;
+#endif
 static int __pyx_lineno;
 static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
+static const char * __pyx_cfilenm = __FILE__;
 static const char *__pyx_filename;
 
 /* Header.proto */
 #if !defined(CYTHON_CCOMPLEX)
   #if defined(__cplusplus)
     #define CYTHON_CCOMPLEX 1
-  #elif defined(_Complex_I)
+  #elif (defined(_Complex_I) && !defined(_MSC_VER)) || ((defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) && !defined(__STDC_NO_COMPLEX__) && !defined(_MSC_VER))
     #define CYTHON_CCOMPLEX 1
   #else
     #define CYTHON_CCOMPLEX 0
@@ -864,71 +1505,13 @@ static const char *__pyx_filename;
   #define _Complex_I 1.0fj
 #endif
 
+/* #### Code section: filename_table ### */
 
 static const char *__pyx_f[] = {
   "fastXPCS/cython/dense.pyx",
-  "stringsource",
+  "<stringsource>",
 };
-/* MemviewSliceStruct.proto */
-struct __pyx_memoryview_obj;
-typedef struct {
-  struct __pyx_memoryview_obj *memview;
-  char *data;
-  Py_ssize_t shape[8];
-  Py_ssize_t strides[8];
-  Py_ssize_t suboffsets[8];
-} __Pyx_memviewslice;
-#define __Pyx_MemoryView_Len(m)  (m.shape[0])
-
-/* Atomics.proto */
-#include <pythread.h>
-#ifndef CYTHON_ATOMICS
-    #define CYTHON_ATOMICS 1
-#endif
-#define __pyx_atomic_int_type int
-#if CYTHON_ATOMICS && __GNUC__ >= 4 && (__GNUC_MINOR__ > 1 ||\
-                    (__GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL >= 2)) &&\
-                    !defined(__i386__)
-    #define __pyx_atomic_incr_aligned(value, lock) __sync_fetch_and_add(value, 1)
-    #define __pyx_atomic_decr_aligned(value, lock) __sync_fetch_and_sub(value, 1)
-    #ifdef __PYX_DEBUG_ATOMICS
-        #warning "Using GNU atomics"
-    #endif
-#elif CYTHON_ATOMICS && defined(_MSC_VER) && 0
-    #include <Windows.h>
-    #undef __pyx_atomic_int_type
-    #define __pyx_atomic_int_type LONG
-    #define __pyx_atomic_incr_aligned(value, lock) InterlockedIncrement(value)
-    #define __pyx_atomic_decr_aligned(value, lock) InterlockedDecrement(value)
-    #ifdef __PYX_DEBUG_ATOMICS
-        #pragma message ("Using MSVC atomics")
-    #endif
-#elif CYTHON_ATOMICS && (defined(__ICC) || defined(__INTEL_COMPILER)) && 0
-    #define __pyx_atomic_incr_aligned(value, lock) _InterlockedIncrement(value)
-    #define __pyx_atomic_decr_aligned(value, lock) _InterlockedDecrement(value)
-    #ifdef __PYX_DEBUG_ATOMICS
-        #warning "Using Intel atomics"
-    #endif
-#else
-    #undef CYTHON_ATOMICS
-    #define CYTHON_ATOMICS 0
-    #ifdef __PYX_DEBUG_ATOMICS
-        #warning "Not using atomics"
-    #endif
-#endif
-typedef volatile __pyx_atomic_int_type __pyx_atomic_int;
-#if CYTHON_ATOMICS
-    #define __pyx_add_acquisition_count(memview)\
-             __pyx_atomic_incr_aligned(__pyx_get_slice_count_pointer(memview), memview->lock)
-    #define __pyx_sub_acquisition_count(memview)\
-            __pyx_atomic_decr_aligned(__pyx_get_slice_count_pointer(memview), memview->lock)
-#else
-    #define __pyx_add_acquisition_count(memview)\
-            __pyx_add_acquisition_count_locked(__pyx_get_slice_count_pointer(memview), memview->lock)
-    #define __pyx_sub_acquisition_count(memview)\
-            __pyx_sub_acquisition_count_locked(__pyx_get_slice_count_pointer(memview), memview->lock)
-#endif
-
+/* #### Code section: utility_code_proto_before_types ### */
 /* ForceInitThreads.proto */
 #ifndef __PYX_FORCE_INIT_THREADS
   #define __PYX_FORCE_INIT_THREADS 0
@@ -942,7 +1525,6 @@ typedef volatile __pyx_atomic_int_type __pyx_atomic_int;
 #define __Pyx_FastGilFuncInit()
 
 /* BufferFormatStructs.proto */
-#define IS_UNSIGNED(type) (((type) -1) > 0)
 struct __Pyx_StructField_;
 #define __PYX_BUF_FLAGS_PACKED_STRUCT (1 << 0)
 typedef struct {
@@ -977,8 +1559,103 @@ typedef struct {
   char is_valid_array;
 } __Pyx_BufFmt_Context;
 
+/* Atomics.proto */
+#include <pythread.h>
+#ifndef CYTHON_ATOMICS
+    #define CYTHON_ATOMICS 1
+#endif
+#define __PYX_CYTHON_ATOMICS_ENABLED() CYTHON_ATOMICS
+#define __pyx_atomic_int_type int
+#define __pyx_nonatomic_int_type int
+#if CYTHON_ATOMICS && (defined(__STDC_VERSION__) &&\
+                        (__STDC_VERSION__ >= 201112L) &&\
+                        !defined(__STDC_NO_ATOMICS__))
+    #include <stdatomic.h>
+#elif CYTHON_ATOMICS && (defined(__cplusplus) && (\
+                    (__cplusplus >= 201103L) ||\
+                    (defined(_MSC_VER) && _MSC_VER >= 1700)))
+    #include <atomic>
+#endif
+#if CYTHON_ATOMICS && (defined(__STDC_VERSION__) &&\
+                        (__STDC_VERSION__ >= 201112L) &&\
+                        !defined(__STDC_NO_ATOMICS__) &&\
+                       ATOMIC_INT_LOCK_FREE == 2)
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type atomic_int
+    #define __pyx_atomic_incr_aligned(value) atomic_fetch_add_explicit(value, 1, memory_order_relaxed)
+    #define __pyx_atomic_decr_aligned(value) atomic_fetch_sub_explicit(value, 1, memory_order_acq_rel)
+    #if defined(__PYX_DEBUG_ATOMICS) && defined(_MSC_VER)
+        #pragma message ("Using standard C atomics")
+    #elif defined(__PYX_DEBUG_ATOMICS)
+        #warning "Using standard C atomics"
+    #endif
+#elif CYTHON_ATOMICS && (defined(__cplusplus) && (\
+                    (__cplusplus >= 201103L) ||\
+\
+                    (defined(_MSC_VER) && _MSC_VER >= 1700)) &&\
+                    ATOMIC_INT_LOCK_FREE == 2)
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type std::atomic_int
+    #define __pyx_atomic_incr_aligned(value) std::atomic_fetch_add_explicit(value, 1, std::memory_order_relaxed)
+    #define __pyx_atomic_decr_aligned(value) std::atomic_fetch_sub_explicit(value, 1, std::memory_order_acq_rel)
+    #if defined(__PYX_DEBUG_ATOMICS) && defined(_MSC_VER)
+        #pragma message ("Using standard C++ atomics")
+    #elif defined(__PYX_DEBUG_ATOMICS)
+        #warning "Using standard C++ atomics"
+    #endif
+#elif CYTHON_ATOMICS && (__GNUC__ >= 5 || (__GNUC__ == 4 &&\
+                    (__GNUC_MINOR__ > 1 ||\
+                    (__GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ >= 2))))
+    #define __pyx_atomic_incr_aligned(value) __sync_fetch_and_add(value, 1)
+    #define __pyx_atomic_decr_aligned(value) __sync_fetch_and_sub(value, 1)
+    #ifdef __PYX_DEBUG_ATOMICS
+        #warning "Using GNU atomics"
+    #endif
+#elif CYTHON_ATOMICS && defined(_MSC_VER)
+    #include <intrin.h>
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type long
+    #undef __pyx_nonatomic_int_type
+    #define __pyx_nonatomic_int_type long
+    #pragma intrinsic (_InterlockedExchangeAdd)
+    #define __pyx_atomic_incr_aligned(value) _InterlockedExchangeAdd(value, 1)
+    #define __pyx_atomic_decr_aligned(value) _InterlockedExchangeAdd(value, -1)
+    #ifdef __PYX_DEBUG_ATOMICS
+        #pragma message ("Using MSVC atomics")
+    #endif
+#else
+    #undef CYTHON_ATOMICS
+    #define CYTHON_ATOMICS 0
+    #ifdef __PYX_DEBUG_ATOMICS
+        #warning "Not using atomics"
+    #endif
+#endif
+#if CYTHON_ATOMICS
+    #define __pyx_add_acquisition_count(memview)\
+             __pyx_atomic_incr_aligned(__pyx_get_slice_count_pointer(memview))
+    #define __pyx_sub_acquisition_count(memview)\
+            __pyx_atomic_decr_aligned(__pyx_get_slice_count_pointer(memview))
+#else
+    #define __pyx_add_acquisition_count(memview)\
+            __pyx_add_acquisition_count_locked(__pyx_get_slice_count_pointer(memview), memview->lock)
+    #define __pyx_sub_acquisition_count(memview)\
+            __pyx_sub_acquisition_count_locked(__pyx_get_slice_count_pointer(memview), memview->lock)
+#endif
+
+/* MemviewSliceStruct.proto */
+struct __pyx_memoryview_obj;
+typedef struct {
+  struct __pyx_memoryview_obj *memview;
+  char *data;
+  Py_ssize_t shape[8];
+  Py_ssize_t strides[8];
+  Py_ssize_t suboffsets[8];
+} __Pyx_memviewslice;
+#define __Pyx_MemoryView_Len(m)  (m.shape[0])
+
+/* #### Code section: numeric_typedefs ### */
 
-/* "scipy/linalg/cython_blas.pxd":15
+/* "scipy/linalg/cython_blas.pxd":17
  * # The original libraries should be linked directly.
  * 
  * ctypedef float s             # <<<<<<<<<<<<<<
@@ -987,7 +1664,7 @@ typedef struct {
  */
 typedef float __pyx_t_5scipy_6linalg_11cython_blas_s;
 
-/* "scipy/linalg/cython_blas.pxd":16
+/* "scipy/linalg/cython_blas.pxd":18
  * 
  * ctypedef float s
  * ctypedef double d             # <<<<<<<<<<<<<<
@@ -995,8 +1672,9 @@ typedef float __pyx_t_5scipy_6linalg_11cython_blas_s;
  * ctypedef double complex z
  */
 typedef double __pyx_t_5scipy_6linalg_11cython_blas_d;
+/* #### Code section: complex_type_declarations ### */
 /* Declarations.proto */
-#if CYTHON_CCOMPLEX
+#if CYTHON_CCOMPLEX && (1) && (!0 || __cplusplus)
   #ifdef __cplusplus
     typedef ::std::complex< float > __pyx_t_float_complex;
   #else
@@ -1008,7 +1686,7 @@ typedef double __pyx_t_5scipy_6linalg_11cython_blas_d;
 static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);
 
 /* Declarations.proto */
-#if CYTHON_CCOMPLEX
+#if CYTHON_CCOMPLEX && (1) && (!0 || __cplusplus)
   #ifdef __cplusplus
     typedef ::std::complex< double > __pyx_t_double_complex;
   #else
@@ -1019,6 +1697,7 @@ static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(floa
 #endif
 static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);
 
+/* #### Code section: type_declarations ### */
 
 /*--- Type declarations ---*/
 struct __pyx_array_obj;
@@ -1026,8 +1705,8 @@ struct __pyx_MemviewEnum_obj;
 struct __pyx_memoryview_obj;
 struct __pyx_memoryviewslice_obj;
 
-/* "View.MemoryView":105
- * 
+/* "View.MemoryView":114
+ * @cython.collection_type("sequence")
  * @cname("__pyx_array")
  * cdef class array:             # <<<<<<<<<<<<<<
  * 
@@ -1051,7 +1730,7 @@ struct __pyx_array_obj {
 };
 
 
-/* "View.MemoryView":279
+/* "View.MemoryView":302
  * 
  * @cname('__pyx_MemviewEnum')
  * cdef class Enum(object):             # <<<<<<<<<<<<<<
@@ -1064,10 +1743,10 @@ struct __pyx_MemviewEnum_obj {
 };
 
 
-/* "View.MemoryView":330
+/* "View.MemoryView":337
  * 
  * @cname('__pyx_memoryview')
- * cdef class memoryview(object):             # <<<<<<<<<<<<<<
+ * cdef class memoryview:             # <<<<<<<<<<<<<<
  * 
  *     cdef object obj
  */
@@ -1078,8 +1757,7 @@ struct __pyx_memoryview_obj {
   PyObject *_size;
   PyObject *_array_interface;
   PyThread_type_lock lock;
-  __pyx_atomic_int acquisition_count[2];
-  __pyx_atomic_int *acquisition_count_aligned_p;
+  __pyx_atomic_int_type acquisition_count;
   Py_buffer view;
   int flags;
   int dtype_is_object;
@@ -1087,8 +1765,8 @@ struct __pyx_memoryview_obj {
 };
 
 
-/* "View.MemoryView":965
- * 
+/* "View.MemoryView":952
+ * @cython.collection_type("sequence")
  * @cname('__pyx_memoryviewslice')
  * cdef class _memoryviewslice(memoryview):             # <<<<<<<<<<<<<<
  *     "Internal class for passing memoryview slices to Python"
@@ -1104,8 +1782,8 @@ struct __pyx_memoryviewslice_obj {
 
 
 
-/* "View.MemoryView":105
- * 
+/* "View.MemoryView":114
+ * @cython.collection_type("sequence")
  * @cname("__pyx_array")
  * cdef class array:             # <<<<<<<<<<<<<<
  * 
@@ -1118,10 +1796,10 @@ struct __pyx_vtabstruct_array {
 static struct __pyx_vtabstruct_array *__pyx_vtabptr_array;
 
 
-/* "View.MemoryView":330
+/* "View.MemoryView":337
  * 
  * @cname('__pyx_memoryview')
- * cdef class memoryview(object):             # <<<<<<<<<<<<<<
+ * cdef class memoryview:             # <<<<<<<<<<<<<<
  * 
  *     cdef object obj
  */
@@ -1134,12 +1812,13 @@ struct __pyx_vtabstruct_memoryview {
   PyObject *(*setitem_indexed)(struct __pyx_memoryview_obj *, PyObject *, PyObject *);
   PyObject *(*convert_item_to_object)(struct __pyx_memoryview_obj *, char *);
   PyObject *(*assign_item_from_object)(struct __pyx_memoryview_obj *, char *, PyObject *);
+  PyObject *(*_get_base)(struct __pyx_memoryview_obj *);
 };
 static struct __pyx_vtabstruct_memoryview *__pyx_vtabptr_memoryview;
 
 
-/* "View.MemoryView":965
- * 
+/* "View.MemoryView":952
+ * @cython.collection_type("sequence")
  * @cname('__pyx_memoryviewslice')
  * cdef class _memoryviewslice(memoryview):             # <<<<<<<<<<<<<<
  *     "Internal class for passing memoryview slices to Python"
@@ -1150,6 +1829,7 @@ struct __pyx_vtabstruct__memoryviewslice {
   struct __pyx_vtabstruct_memoryview __pyx_base;
 };
 static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
+/* #### Code section: utility_code_proto ### */
 
 /* --- Runtime support code (head) --- */
 /* Refnanny.proto */
@@ -1158,11 +1838,11 @@ static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
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-    void (*INCREF)(void*, PyObject*, int);
-    void (*DECREF)(void*, PyObject*, int);
-    void (*GOTREF)(void*, PyObject*, int);
-    void (*GIVEREF)(void*, PyObject*, int);
-    void* (*SetupContext)(const char*, int, const char*);
+    void (*INCREF)(void*, PyObject*, Py_ssize_t);
+    void (*DECREF)(void*, PyObject*, Py_ssize_t);
+    void (*GOTREF)(void*, PyObject*, Py_ssize_t);
+    void (*GIVEREF)(void*, PyObject*, Py_ssize_t);
+    void* (*SetupContext)(const char*, Py_ssize_t, const char*);
     void (*FinishContext)(void**);
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+  #define __Pyx_RefNannyFinishContextNogil() {\
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 #else
   #define __Pyx_RefNannySetupContext(name, acquire_gil)\
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+          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), (__LINE__), (__FILE__))
+  #define __Pyx_RefNannyFinishContextNogil() __Pyx_RefNannyFinishContext()
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+  #define __Pyx_RefNannyFinishContextNogil() {\
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
+              __Pyx_RefNannyFinishContext();\
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-  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
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-  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
-  #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0)
+  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
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+  #define __Pyx_XDECREF(r)  do { if((r) == NULL); else {__Pyx_DECREF(r); }} while(0)
+  #define __Pyx_XGOTREF(r)  do { if((r) == NULL); else {__Pyx_GOTREF(r); }} while(0)
+  #define __Pyx_XGIVEREF(r) do { if((r) == NULL); else {__Pyx_GIVEREF(r);}} while(0)
 #else
   #define __Pyx_RefNannyDeclarations
   #define __Pyx_RefNannySetupContext(name, acquire_gil)
+  #define __Pyx_RefNannyFinishContextNogil()
   #define __Pyx_RefNannyFinishContext()
   #define __Pyx_INCREF(r) Py_INCREF(r)
   #define __Pyx_DECREF(r) Py_DECREF(r)
@@ -1204,6 +1896,10 @@ static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
   #define __Pyx_XGOTREF(r)
   #define __Pyx_XGIVEREF(r)
 #endif
+#define __Pyx_Py_XDECREF_SET(r, v) do {\
+        PyObject *tmp = (PyObject *) r;\
+        r = v; Py_XDECREF(tmp);\
+    } while (0)
 #define __Pyx_XDECREF_SET(r, v) do {\
         PyObject *tmp = (PyObject *) r;\
         r = v; __Pyx_XDECREF(tmp);\
@@ -1215,6 +1911,57 @@ static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
 #define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
 #define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
 
+/* PyErrExceptionMatches.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err)
+static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err);
+#else
+#define __Pyx_PyErr_ExceptionMatches(err)  PyErr_ExceptionMatches(err)
+#endif
+
+/* PyThreadStateGet.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
+#define __Pyx_PyThreadState_assign  __pyx_tstate = __Pyx_PyThreadState_Current;
+#if PY_VERSION_HEX >= 0x030C00A6
+#define __Pyx_PyErr_Occurred()  (__pyx_tstate->current_exception != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  (__pyx_tstate->current_exception ? (PyObject*) Py_TYPE(__pyx_tstate->current_exception) : (PyObject*) NULL)
+#else
+#define __Pyx_PyErr_Occurred()  (__pyx_tstate->curexc_type != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  (__pyx_tstate->curexc_type)
+#endif
+#else
+#define __Pyx_PyThreadState_declare
+#define __Pyx_PyThreadState_assign
+#define __Pyx_PyErr_Occurred()  (PyErr_Occurred() != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  PyErr_Occurred()
+#endif
+
+/* PyErrFetchRestore.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL)
+#define __Pyx_ErrRestoreWithState(type, value, tb)  __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb)
+#define __Pyx_ErrFetchWithState(type, value, tb)    __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb)
+#define __Pyx_ErrRestore(type, value, tb)  __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb)
+#define __Pyx_ErrFetch(type, value, tb)    __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb)
+static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
+static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A6
+#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL))
+#else
+#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
+#endif
+#else
+#define __Pyx_PyErr_Clear() PyErr_Clear()
+#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
+#define __Pyx_ErrRestoreWithState(type, value, tb)  PyErr_Restore(type, value, tb)
+#define __Pyx_ErrFetchWithState(type, value, tb)  PyErr_Fetch(type, value, tb)
+#define __Pyx_ErrRestoreInState(tstate, type, value, tb)  PyErr_Restore(type, value, tb)
+#define __Pyx_ErrFetchInState(tstate, type, value, tb)  PyErr_Fetch(type, value, tb)
+#define __Pyx_ErrRestore(type, value, tb)  PyErr_Restore(type, value, tb)
+#define __Pyx_ErrFetch(type, value, tb)  PyErr_Fetch(type, value, tb)
+#endif
+
 /* PyObjectGetAttrStr.proto */
 #if CYTHON_USE_TYPE_SLOTS
 static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name);
@@ -1222,84 +1969,122 @@ static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject
 #define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
 #endif
 
+/* PyObjectGetAttrStrNoError.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name);
+
 /* GetBuiltinName.proto */
 static PyObject *__Pyx_GetBuiltinName(PyObject *name);
 
-/* PyDictVersioning.proto */
-#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
-#define __PYX_DICT_VERSION_INIT  ((PY_UINT64_T) -1)
-#define __PYX_GET_DICT_VERSION(dict)  (((PyDictObject*)(dict))->ma_version_tag)
-#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\
-    (version_var) = __PYX_GET_DICT_VERSION(dict);\
-    (cache_var) = (value);
-#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\
-    static PY_UINT64_T __pyx_dict_version = 0;\
-    static PyObject *__pyx_dict_cached_value = NULL;\
-    if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\
-        (VAR) = __pyx_dict_cached_value;\
-    } else {\
-        (VAR) = __pyx_dict_cached_value = (LOOKUP);\
-        __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\
-    }\
-}
-static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj);
-static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj);
-static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version);
-#else
-#define __PYX_GET_DICT_VERSION(dict)  (0)
-#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)
-#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP)  (VAR) = (LOOKUP);
+/* TupleAndListFromArray.proto */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyList_FromArray(PyObject *const *src, Py_ssize_t n);
+static CYTHON_INLINE PyObject* __Pyx_PyTuple_FromArray(PyObject *const *src, Py_ssize_t n);
 #endif
 
-/* GetModuleGlobalName.proto */
-#if CYTHON_USE_DICT_VERSIONS
-#define __Pyx_GetModuleGlobalName(var, name)  {\
-    static PY_UINT64_T __pyx_dict_version = 0;\
-    static PyObject *__pyx_dict_cached_value = NULL;\
-    (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\
-        (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\
-        __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
-}
-#define __Pyx_GetModuleGlobalNameUncached(var, name)  {\
-    PY_UINT64_T __pyx_dict_version;\
-    PyObject *__pyx_dict_cached_value;\
-    (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
-}
-static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value);
-#else
-#define __Pyx_GetModuleGlobalName(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
-#define __Pyx_GetModuleGlobalNameUncached(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
-static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name);
-#endif
+/* IncludeStringH.proto */
+#include <string.h>
 
-/* PyObjectCall.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
+/* BytesEquals.proto */
+static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals);
+
+/* UnicodeEquals.proto */
+static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals);
+
+/* fastcall.proto */
+#if CYTHON_AVOID_BORROWED_REFS
+    #define __Pyx_Arg_VARARGS(args, i) PySequence_GetItem(args, i)
+#elif CYTHON_ASSUME_SAFE_MACROS
+    #define __Pyx_Arg_VARARGS(args, i) PyTuple_GET_ITEM(args, i)
 #else
-#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
+    #define __Pyx_Arg_VARARGS(args, i) PyTuple_GetItem(args, i)
 #endif
-
-/* PyCFunctionFastCall.proto */
-#if CYTHON_FAST_PYCCALL
-static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs);
+#if CYTHON_AVOID_BORROWED_REFS
+    #define __Pyx_Arg_NewRef_VARARGS(arg) __Pyx_NewRef(arg)
+    #define __Pyx_Arg_XDECREF_VARARGS(arg) Py_XDECREF(arg)
 #else
-#define __Pyx_PyCFunction_FastCall(func, args, nargs)  (assert(0), NULL)
+    #define __Pyx_Arg_NewRef_VARARGS(arg) arg
+    #define __Pyx_Arg_XDECREF_VARARGS(arg)
+#endif
+#define __Pyx_NumKwargs_VARARGS(kwds) PyDict_Size(kwds)
+#define __Pyx_KwValues_VARARGS(args, nargs) NULL
+#define __Pyx_GetKwValue_VARARGS(kw, kwvalues, s) __Pyx_PyDict_GetItemStrWithError(kw, s)
+#define __Pyx_KwargsAsDict_VARARGS(kw, kwvalues) PyDict_Copy(kw)
+#if CYTHON_METH_FASTCALL
+    #define __Pyx_Arg_FASTCALL(args, i) args[i]
+    #define __Pyx_NumKwargs_FASTCALL(kwds) PyTuple_GET_SIZE(kwds)
+    #define __Pyx_KwValues_FASTCALL(args, nargs) ((args) + (nargs))
+    static CYTHON_INLINE PyObject * __Pyx_GetKwValue_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues, PyObject *s);
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000
+    CYTHON_UNUSED static PyObject *__Pyx_KwargsAsDict_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues);
+  #else
+    #define __Pyx_KwargsAsDict_FASTCALL(kw, kwvalues) _PyStack_AsDict(kwvalues, kw)
+  #endif
+    #define __Pyx_Arg_NewRef_FASTCALL(arg) arg  /* no-op, __Pyx_Arg_FASTCALL is direct and this needs
+                                                   to have the same reference counting */
+    #define __Pyx_Arg_XDECREF_FASTCALL(arg)
+#else
+    #define __Pyx_Arg_FASTCALL __Pyx_Arg_VARARGS
+    #define __Pyx_NumKwargs_FASTCALL __Pyx_NumKwargs_VARARGS
+    #define __Pyx_KwValues_FASTCALL __Pyx_KwValues_VARARGS
+    #define __Pyx_GetKwValue_FASTCALL __Pyx_GetKwValue_VARARGS
+    #define __Pyx_KwargsAsDict_FASTCALL __Pyx_KwargsAsDict_VARARGS
+    #define __Pyx_Arg_NewRef_FASTCALL(arg) __Pyx_Arg_NewRef_VARARGS(arg)
+    #define __Pyx_Arg_XDECREF_FASTCALL(arg) __Pyx_Arg_XDECREF_VARARGS(arg)
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+#define __Pyx_ArgsSlice_VARARGS(args, start, stop) __Pyx_PyTuple_FromArray(&__Pyx_Arg_VARARGS(args, start), stop - start)
+#define __Pyx_ArgsSlice_FASTCALL(args, start, stop) __Pyx_PyTuple_FromArray(&__Pyx_Arg_FASTCALL(args, start), stop - start)
+#else
+#define __Pyx_ArgsSlice_VARARGS(args, start, stop) PyTuple_GetSlice(args, start, stop)
+#define __Pyx_ArgsSlice_FASTCALL(args, start, stop) PyTuple_GetSlice(args, start, stop)
 #endif
 
+/* RaiseArgTupleInvalid.proto */
+static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
+    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);
+
+/* RaiseDoubleKeywords.proto */
+static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
+
+/* ParseKeywords.proto */
+static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject *const *kwvalues,
+    PyObject **argnames[],
+    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,
+    const char* function_name);
+
+/* ArgTypeTest.proto */
+#define __Pyx_ArgTypeTest(obj, type, none_allowed, name, exact)\
+    ((likely(__Pyx_IS_TYPE(obj, type) | (none_allowed && (obj == Py_None)))) ? 1 :\
+        __Pyx__ArgTypeTest(obj, type, name, exact))
+static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact);
+
+/* RaiseException.proto */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
+
 /* PyFunctionFastCall.proto */
 #if CYTHON_FAST_PYCALL
+#if !CYTHON_VECTORCALL
 #define __Pyx_PyFunction_FastCall(func, args, nargs)\
     __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL)
-#if 1 || PY_VERSION_HEX < 0x030600B1
 static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs);
-#else
-#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs)
 #endif
 #define __Pyx_BUILD_ASSERT_EXPR(cond)\
     (sizeof(char [1 - 2*!(cond)]) - 1)
 #ifndef Py_MEMBER_SIZE
 #define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member)
 #endif
+#if !CYTHON_VECTORCALL
+#if PY_VERSION_HEX >= 0x03080000
+  #include "frameobject.h"
+#if PY_VERSION_HEX >= 0x030b00a6 && !CYTHON_COMPILING_IN_LIMITED_API
+  #ifndef Py_BUILD_CORE
+    #define Py_BUILD_CORE 1
+  #endif
+  #include "internal/pycore_frame.h"
+#endif
+  #define __Pxy_PyFrame_Initialize_Offsets()
+  #define __Pyx_PyFrame_GetLocalsplus(frame)  ((frame)->f_localsplus)
+#else
   static size_t __pyx_pyframe_localsplus_offset = 0;
   #include "frameobject.h"
   #define __Pxy_PyFrame_Initialize_Offsets()\
@@ -1308,119 +2093,46 @@ static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args,
   #define __Pyx_PyFrame_GetLocalsplus(frame)\
     (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset))
 #endif
-
-/* PyObjectCall2Args.proto */
-static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2);
-
-/* PyObjectCallMethO.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
+#endif
 #endif
 
-/* PyObjectCallOneArg.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
-
-/* PyObjectCallNoArg.proto */
+/* PyObjectCall.proto */
 #if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
 #else
-#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL)
+#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
 #endif
 
-/* MemviewSliceInit.proto */
-#define __Pyx_BUF_MAX_NDIMS %(BUF_MAX_NDIMS)d
-#define __Pyx_MEMVIEW_DIRECT   1
-#define __Pyx_MEMVIEW_PTR      2
-#define __Pyx_MEMVIEW_FULL     4
-#define __Pyx_MEMVIEW_CONTIG   8
-#define __Pyx_MEMVIEW_STRIDED  16
-#define __Pyx_MEMVIEW_FOLLOW   32
-#define __Pyx_IS_C_CONTIG 1
-#define __Pyx_IS_F_CONTIG 2
-static int __Pyx_init_memviewslice(
-                struct __pyx_memoryview_obj *memview,
-                int ndim,
-                __Pyx_memviewslice *memviewslice,
-                int memview_is_new_reference);
-static CYTHON_INLINE int __pyx_add_acquisition_count_locked(
-    __pyx_atomic_int *acquisition_count, PyThread_type_lock lock);
-static CYTHON_INLINE int __pyx_sub_acquisition_count_locked(
-    __pyx_atomic_int *acquisition_count, PyThread_type_lock lock);
-#define __pyx_get_slice_count_pointer(memview) (memview->acquisition_count_aligned_p)
-#define __pyx_get_slice_count(memview) (*__pyx_get_slice_count_pointer(memview))
-#define __PYX_INC_MEMVIEW(slice, have_gil) __Pyx_INC_MEMVIEW(slice, have_gil, __LINE__)
-#define __PYX_XDEC_MEMVIEW(slice, have_gil) __Pyx_XDEC_MEMVIEW(slice, have_gil, __LINE__)
-static CYTHON_INLINE void __Pyx_INC_MEMVIEW(__Pyx_memviewslice *, int, int);
-static CYTHON_INLINE void __Pyx_XDEC_MEMVIEW(__Pyx_memviewslice *, int, int);
-
-/* RaiseArgTupleInvalid.proto */
-static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
-    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);
-
-/* RaiseDoubleKeywords.proto */
-static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
-
-/* ParseKeywords.proto */
-static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\
-    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\
-    const char* function_name);
-
-/* None.proto */
-static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
+/* PyObjectCallMethO.proto */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
+#endif
 
-/* ArgTypeTest.proto */
-#define __Pyx_ArgTypeTest(obj, type, none_allowed, name, exact)\
-    ((likely((Py_TYPE(obj) == type) | (none_allowed && (obj == Py_None)))) ? 1 :\
-        __Pyx__ArgTypeTest(obj, type, name, exact))
-static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact);
+/* PyObjectFastCall.proto */
+#define __Pyx_PyObject_FastCall(func, args, nargs)  __Pyx_PyObject_FastCallDict(func, args, (size_t)(nargs), NULL)
+static CYTHON_INLINE PyObject* __Pyx_PyObject_FastCallDict(PyObject *func, PyObject **args, size_t nargs, PyObject *kwargs);
 
-/* PyThreadStateGet.proto */
-#if CYTHON_FAST_THREAD_STATE
-#define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
-#define __Pyx_PyThreadState_assign  __pyx_tstate = __Pyx_PyThreadState_Current;
-#define __Pyx_PyErr_Occurred()  __pyx_tstate->curexc_type
-#else
-#define __Pyx_PyThreadState_declare
-#define __Pyx_PyThreadState_assign
-#define __Pyx_PyErr_Occurred()  PyErr_Occurred()
-#endif
+/* RaiseUnexpectedTypeError.proto */
+static int __Pyx_RaiseUnexpectedTypeError(const char *expected, PyObject *obj);
 
-/* PyErrFetchRestore.proto */
-#if CYTHON_FAST_THREAD_STATE
-#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL)
-#define __Pyx_ErrRestoreWithState(type, value, tb)  __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb)
-#define __Pyx_ErrFetchWithState(type, value, tb)    __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb)
-#define __Pyx_ErrRestore(type, value, tb)  __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb)
-#define __Pyx_ErrFetch(type, value, tb)    __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb)
-static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
-static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
-#if CYTHON_COMPILING_IN_CPYTHON
-#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL))
-#else
-#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
-#endif
-#else
-#define __Pyx_PyErr_Clear() PyErr_Clear()
-#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
-#define __Pyx_ErrRestoreWithState(type, value, tb)  PyErr_Restore(type, value, tb)
-#define __Pyx_ErrFetchWithState(type, value, tb)  PyErr_Fetch(type, value, tb)
-#define __Pyx_ErrRestoreInState(tstate, type, value, tb)  PyErr_Restore(type, value, tb)
-#define __Pyx_ErrFetchInState(tstate, type, value, tb)  PyErr_Fetch(type, value, tb)
-#define __Pyx_ErrRestore(type, value, tb)  PyErr_Restore(type, value, tb)
-#define __Pyx_ErrFetch(type, value, tb)  PyErr_Fetch(type, value, tb)
+/* GCCDiagnostics.proto */
+#if !defined(__INTEL_COMPILER) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+#define __Pyx_HAS_GCC_DIAGNOSTIC
 #endif
 
-/* RaiseException.proto */
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
+/* BuildPyUnicode.proto */
+static PyObject* __Pyx_PyUnicode_BuildFromAscii(Py_ssize_t ulength, char* chars, int clength,
+                                                int prepend_sign, char padding_char);
 
-/* IncludeStringH.proto */
-#include <string.h>
+/* CIntToPyUnicode.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_int(int value, Py_ssize_t width, char padding_char, char format_char);
 
-/* BytesEquals.proto */
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals);
+/* CIntToPyUnicode.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_Py_ssize_t(Py_ssize_t value, Py_ssize_t width, char padding_char, char format_char);
 
-/* UnicodeEquals.proto */
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals);
+/* JoinPyUnicode.proto */
+static PyObject* __Pyx_PyUnicode_Join(PyObject* value_tuple, Py_ssize_t value_count, Py_ssize_t result_ulength,
+                                      Py_UCS4 max_char);
 
 /* StrEquals.proto */
 #if PY_MAJOR_VERSION >= 3
@@ -1429,14 +2141,29 @@ static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int
 #define __Pyx_PyString_Equals __Pyx_PyBytes_Equals
 #endif
 
-/* None.proto */
-static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t, Py_ssize_t);
-
-/* UnaryNegOverflows.proto */
-#define UNARY_NEG_WOULD_OVERFLOW(x)\
-        (((x) < 0) & ((unsigned long)(x) == 0-(unsigned long)(x)))
+/* PyObjectFormatSimple.proto */
+#if CYTHON_COMPILING_IN_PYPY
+    #define __Pyx_PyObject_FormatSimple(s, f) (\
+        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
+        PyObject_Format(s, f))
+#elif PY_MAJOR_VERSION < 3
+    #define __Pyx_PyObject_FormatSimple(s, f) (\
+        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
+        likely(PyString_CheckExact(s)) ? PyUnicode_FromEncodedObject(s, NULL, "strict") :\
+        PyObject_Format(s, f))
+#elif CYTHON_USE_TYPE_SLOTS
+    #define __Pyx_PyObject_FormatSimple(s, f) (\
+        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
+        likely(PyLong_CheckExact(s)) ? PyLong_Type.tp_repr(s) :\
+        likely(PyFloat_CheckExact(s)) ? PyFloat_Type.tp_repr(s) :\
+        PyObject_Format(s, f))
+#else
+    #define __Pyx_PyObject_FormatSimple(s, f) (\
+        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
+        PyObject_Format(s, f))
+#endif
 
-static CYTHON_UNUSED int __pyx_array_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
+CYTHON_UNUSED static int __pyx_array_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
 static PyObject *__pyx_array_get_memview(struct __pyx_array_obj *); /*proto*/
 /* GetAttr.proto */
 static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *);
@@ -1463,44 +2190,107 @@ static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j);
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
                                                      int is_list, int wraparound, int boundscheck);
 
+/* PyObjectCallOneArg.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
+
 /* ObjectGetItem.proto */
 #if CYTHON_USE_TYPE_SLOTS
-static CYTHON_INLINE PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key);
+static CYTHON_INLINE PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject *key);
 #else
 #define __Pyx_PyObject_GetItem(obj, key)  PyObject_GetItem(obj, key)
 #endif
 
-/* decode_c_string_utf16.proto */
-static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16(const char *s, Py_ssize_t size, const char *errors) {
-    int byteorder = 0;
-    return PyUnicode_DecodeUTF16(s, size, errors, &byteorder);
-}
-static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16LE(const char *s, Py_ssize_t size, const char *errors) {
-    int byteorder = -1;
-    return PyUnicode_DecodeUTF16(s, size, errors, &byteorder);
-}
-static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16BE(const char *s, Py_ssize_t size, const char *errors) {
-    int byteorder = 1;
-    return PyUnicode_DecodeUTF16(s, size, errors, &byteorder);
-}
+/* KeywordStringCheck.proto */
+static int __Pyx_CheckKeywordStrings(PyObject *kw, const char* function_name, int kw_allowed);
 
-/* decode_c_string.proto */
-static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
-         const char* cstring, Py_ssize_t start, Py_ssize_t stop,
-         const char* encoding, const char* errors,
-         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors));
+/* DivInt[Py_ssize_t].proto */
+static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t, Py_ssize_t);
 
-/* PyErrExceptionMatches.proto */
-#if CYTHON_FAST_THREAD_STATE
-#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err)
-static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err);
-#else
-#define __Pyx_PyErr_ExceptionMatches(err)  PyErr_ExceptionMatches(err)
-#endif
+/* UnaryNegOverflows.proto */
+#define __Pyx_UNARY_NEG_WOULD_OVERFLOW(x)\
+        (((x) < 0) & ((unsigned long)(x) == 0-(unsigned long)(x)))
 
 /* GetAttr3.proto */
 static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *, PyObject *, PyObject *);
 
+/* PyDictVersioning.proto */
+#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
+#define __PYX_DICT_VERSION_INIT  ((PY_UINT64_T) -1)
+#define __PYX_GET_DICT_VERSION(dict)  (((PyDictObject*)(dict))->ma_version_tag)
+#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\
+    (version_var) = __PYX_GET_DICT_VERSION(dict);\
+    (cache_var) = (value);
+#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\
+    static PY_UINT64_T __pyx_dict_version = 0;\
+    static PyObject *__pyx_dict_cached_value = NULL;\
+    if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\
+        (VAR) = __pyx_dict_cached_value;\
+    } else {\
+        (VAR) = __pyx_dict_cached_value = (LOOKUP);\
+        __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\
+    }\
+}
+static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj);
+static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj);
+static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version);
+#else
+#define __PYX_GET_DICT_VERSION(dict)  (0)
+#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)
+#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP)  (VAR) = (LOOKUP);
+#endif
+
+/* GetModuleGlobalName.proto */
+#if CYTHON_USE_DICT_VERSIONS
+#define __Pyx_GetModuleGlobalName(var, name)  do {\
+    static PY_UINT64_T __pyx_dict_version = 0;\
+    static PyObject *__pyx_dict_cached_value = NULL;\
+    (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\
+        (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\
+        __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
+} while(0)
+#define __Pyx_GetModuleGlobalNameUncached(var, name)  do {\
+    PY_UINT64_T __pyx_dict_version;\
+    PyObject *__pyx_dict_cached_value;\
+    (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
+} while(0)
+static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value);
+#else
+#define __Pyx_GetModuleGlobalName(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
+#define __Pyx_GetModuleGlobalNameUncached(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
+static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name);
+#endif
+
+/* AssertionsEnabled.proto */
+#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
+  #define __Pyx_init_assertions_enabled()  (0)
+  #define __pyx_assertions_enabled()  (1)
+#elif CYTHON_COMPILING_IN_LIMITED_API  ||  (CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030C0000)
+  static int __pyx_assertions_enabled_flag;
+  #define __pyx_assertions_enabled() (__pyx_assertions_enabled_flag)
+  static int __Pyx_init_assertions_enabled(void) {
+    PyObject *builtins, *debug, *debug_str;
+    int flag;
+    builtins = PyEval_GetBuiltins();
+    if (!builtins) goto bad;
+    debug_str = PyUnicode_FromStringAndSize("__debug__", 9);
+    if (!debug_str) goto bad;
+    debug = PyObject_GetItem(builtins, debug_str);
+    Py_DECREF(debug_str);
+    if (!debug) goto bad;
+    flag = PyObject_IsTrue(debug);
+    Py_DECREF(debug);
+    if (flag == -1) goto bad;
+    __pyx_assertions_enabled_flag = flag;
+    return 0;
+  bad:
+    __pyx_assertions_enabled_flag = 1;
+    return -1;
+  }
+#else
+  #define __Pyx_init_assertions_enabled()  (0)
+  #define __pyx_assertions_enabled()  (!Py_OptimizeFlag)
+#endif
+
 /* RaiseTooManyValuesToUnpack.proto */
 static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
 
@@ -1514,7 +2304,7 @@ static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
 static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type);
 
 /* GetTopmostException.proto */
-#if CYTHON_USE_EXC_INFO_STACK
+#if CYTHON_USE_EXC_INFO_STACK && CYTHON_FAST_THREAD_STATE
 static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate);
 #endif
 
@@ -1548,20 +2338,30 @@ static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value,
 /* Import.proto */
 static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);
 
+/* ImportDottedModule.proto */
+static PyObject *__Pyx_ImportDottedModule(PyObject *name, PyObject *parts_tuple);
+#if PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx_ImportDottedModule_WalkParts(PyObject *module, PyObject *name, PyObject *parts_tuple);
+#endif
+
 /* FastTypeChecks.proto */
 #if CYTHON_COMPILING_IN_CPYTHON
 #define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type)
+#define __Pyx_TypeCheck2(obj, type1, type2) __Pyx_IsAnySubtype2(Py_TYPE(obj), (PyTypeObject *)type1, (PyTypeObject *)type2)
 static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b);
+static CYTHON_INLINE int __Pyx_IsAnySubtype2(PyTypeObject *cls, PyTypeObject *a, PyTypeObject *b);
 static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type);
 static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2);
 #else
 #define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
+#define __Pyx_TypeCheck2(obj, type1, type2) (PyObject_TypeCheck(obj, (PyTypeObject *)type1) || PyObject_TypeCheck(obj, (PyTypeObject *)type2))
 #define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type)
 #define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2))
 #endif
+#define __Pyx_PyErr_ExceptionMatches2(err1, err2)  __Pyx_PyErr_GivenExceptionMatches2(__Pyx_PyErr_CurrentExceptionType(), err1, err2)
 #define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)
 
-static CYTHON_UNUSED int __pyx_memoryview_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
+CYTHON_UNUSED static int __pyx_memoryview_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
 /* ListCompAppend.proto */
 #if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
 static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) {
@@ -1569,7 +2369,11 @@ static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) {
     Py_ssize_t len = Py_SIZE(list);
     if (likely(L->allocated > len)) {
         Py_INCREF(x);
+        #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000
+        L->ob_item[len] = x;
+        #else
         PyList_SET_ITEM(list, len, x);
+        #endif
         __Pyx_SET_SIZE(list, len + 1);
         return 0;
     }
@@ -1579,52 +2383,41 @@ static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) {
 #define __Pyx_ListComp_Append(L,x) PyList_Append(L,x)
 #endif
 
-/* PyIntBinop.proto */
-#if !CYTHON_COMPILING_IN_PYPY
-static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check);
-#else
-#define __Pyx_PyInt_AddObjC(op1, op2, intval, inplace, zerodivision_check)\
-    (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2))
-#endif
-
-/* ListExtend.proto */
-static CYTHON_INLINE int __Pyx_PyList_Extend(PyObject* L, PyObject* v) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject* none = _PyList_Extend((PyListObject*)L, v);
-    if (unlikely(!none))
-        return -1;
-    Py_DECREF(none);
-    return 0;
-#else
-    return PyList_SetSlice(L, PY_SSIZE_T_MAX, PY_SSIZE_T_MAX, v);
-#endif
-}
+/* PySequenceMultiply.proto */
+#define __Pyx_PySequence_Multiply_Left(mul, seq)  __Pyx_PySequence_Multiply(seq, mul)
+static CYTHON_INLINE PyObject* __Pyx_PySequence_Multiply(PyObject *seq, Py_ssize_t mul);
 
-/* ListAppend.proto */
-#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
-static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
-    PyListObject* L = (PyListObject*) list;
-    Py_ssize_t len = Py_SIZE(list);
-    if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) {
-        Py_INCREF(x);
-        PyList_SET_ITEM(list, len, x);
-        __Pyx_SET_SIZE(list, len + 1);
-        return 0;
-    }
-    return PyList_Append(list, x);
-}
-#else
-#define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
-#endif
+/* SetItemInt.proto */
+#define __Pyx_SetItemInt(o, i, v, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
+    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
+    __Pyx_SetItemInt_Fast(o, (Py_ssize_t)i, v, is_list, wraparound, boundscheck) :\
+    (is_list ? (PyErr_SetString(PyExc_IndexError, "list assignment index out of range"), -1) :\
+               __Pyx_SetItemInt_Generic(o, to_py_func(i), v)))
+static int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v);
+static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v,
+                                               int is_list, int wraparound, int boundscheck);
+
+/* RaiseUnboundLocalError.proto */
+static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
 
-/* None.proto */
+/* DivInt[long].proto */
 static CYTHON_INLINE long __Pyx_div_long(long, long);
 
+/* PySequenceContains.proto */
+static CYTHON_INLINE int __Pyx_PySequence_ContainsTF(PyObject* item, PyObject* seq, int eq) {
+    int result = PySequence_Contains(seq, item);
+    return unlikely(result < 0) ? result : (result == (eq == Py_EQ));
+}
+
 /* ImportFrom.proto */
 static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name);
 
 /* HasAttr.proto */
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d00A1
+#define __Pyx_HasAttr(o, n)  PyObject_HasAttrWithError(o, n)
+#else
 static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *);
+#endif
 
 /* PyObject_GenericGetAttrNoDict.proto */
 #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
@@ -1640,14 +2433,186 @@ static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_nam
 #define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr
 #endif
 
+/* IncludeStructmemberH.proto */
+#include <structmember.h>
+
+/* FixUpExtensionType.proto */
+#if CYTHON_USE_TYPE_SPECS
+static int __Pyx_fix_up_extension_type_from_spec(PyType_Spec *spec, PyTypeObject *type);
+#endif
+
+/* PyObjectCallNoArg.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
+
+/* PyObjectGetMethod.proto */
+static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method);
+
+/* PyObjectCallMethod0.proto */
+static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name);
+
+/* ValidateBasesTuple.proto */
+#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_USE_TYPE_SPECS
+static int __Pyx_validate_bases_tuple(const char *type_name, Py_ssize_t dictoffset, PyObject *bases);
+#endif
+
+/* PyType_Ready.proto */
+CYTHON_UNUSED static int __Pyx_PyType_Ready(PyTypeObject *t);
+
 /* SetVTable.proto */
-static int __Pyx_SetVtable(PyObject *dict, void *vtable);
+static int __Pyx_SetVtable(PyTypeObject* typeptr , void* vtable);
 
-/* PyObjectGetAttrStrNoError.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name);
+/* GetVTable.proto */
+static void* __Pyx_GetVtable(PyTypeObject *type);
+
+/* MergeVTables.proto */
+#if !CYTHON_COMPILING_IN_LIMITED_API
+static int __Pyx_MergeVtables(PyTypeObject *type);
+#endif
 
 /* SetupReduce.proto */
+#if !CYTHON_COMPILING_IN_LIMITED_API
 static int __Pyx_setup_reduce(PyObject* type_obj);
+#endif
+
+/* FetchSharedCythonModule.proto */
+static PyObject *__Pyx_FetchSharedCythonABIModule(void);
+
+/* FetchCommonType.proto */
+#if !CYTHON_USE_TYPE_SPECS
+static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type);
+#else
+static PyTypeObject* __Pyx_FetchCommonTypeFromSpec(PyObject *module, PyType_Spec *spec, PyObject *bases);
+#endif
+
+/* PyMethodNew.proto */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *__Pyx_PyMethod_New(PyObject *func, PyObject *self, PyObject *typ) {
+    PyObject *typesModule=NULL, *methodType=NULL, *result=NULL;
+    CYTHON_UNUSED_VAR(typ);
+    if (!self)
+        return __Pyx_NewRef(func);
+    typesModule = PyImport_ImportModule("types");
+    if (!typesModule) return NULL;
+    methodType = PyObject_GetAttrString(typesModule, "MethodType");
+    Py_DECREF(typesModule);
+    if (!methodType) return NULL;
+    result = PyObject_CallFunctionObjArgs(methodType, func, self, NULL);
+    Py_DECREF(methodType);
+    return result;
+}
+#elif PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx_PyMethod_New(PyObject *func, PyObject *self, PyObject *typ) {
+    CYTHON_UNUSED_VAR(typ);
+    if (!self)
+        return __Pyx_NewRef(func);
+    return PyMethod_New(func, self);
+}
+#else
+    #define __Pyx_PyMethod_New PyMethod_New
+#endif
+
+/* PyVectorcallFastCallDict.proto */
+#if CYTHON_METH_FASTCALL
+static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw);
+#endif
+
+/* CythonFunctionShared.proto */
+#define __Pyx_CyFunction_USED
+#define __Pyx_CYFUNCTION_STATICMETHOD  0x01
+#define __Pyx_CYFUNCTION_CLASSMETHOD   0x02
+#define __Pyx_CYFUNCTION_CCLASS        0x04
+#define __Pyx_CYFUNCTION_COROUTINE     0x08
+#define __Pyx_CyFunction_GetClosure(f)\
+    (((__pyx_CyFunctionObject *) (f))->func_closure)
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_CyFunction_GetClassObj(f)\
+      (((__pyx_CyFunctionObject *) (f))->func_classobj)
+#else
+  #define __Pyx_CyFunction_GetClassObj(f)\
+      ((PyObject*) ((PyCMethodObject *) (f))->mm_class)
+#endif
+#define __Pyx_CyFunction_SetClassObj(f, classobj)\
+    __Pyx__CyFunction_SetClassObj((__pyx_CyFunctionObject *) (f), (classobj))
+#define __Pyx_CyFunction_Defaults(type, f)\
+    ((type *)(((__pyx_CyFunctionObject *) (f))->defaults))
+#define __Pyx_CyFunction_SetDefaultsGetter(f, g)\
+    ((__pyx_CyFunctionObject *) (f))->defaults_getter = (g)
+typedef struct {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject_HEAD
+    PyObject *func;
+#elif PY_VERSION_HEX < 0x030900B1
+    PyCFunctionObject func;
+#else
+    PyCMethodObject func;
+#endif
+#if CYTHON_BACKPORT_VECTORCALL
+    __pyx_vectorcallfunc func_vectorcall;
+#endif
+#if PY_VERSION_HEX < 0x030500A0 || CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *func_weakreflist;
+#endif
+    PyObject *func_dict;
+    PyObject *func_name;
+    PyObject *func_qualname;
+    PyObject *func_doc;
+    PyObject *func_globals;
+    PyObject *func_code;
+    PyObject *func_closure;
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *func_classobj;
+#endif
+    void *defaults;
+    int defaults_pyobjects;
+    size_t defaults_size;
+    int flags;
+    PyObject *defaults_tuple;
+    PyObject *defaults_kwdict;
+    PyObject *(*defaults_getter)(PyObject *);
+    PyObject *func_annotations;
+    PyObject *func_is_coroutine;
+} __pyx_CyFunctionObject;
+#undef __Pyx_CyOrPyCFunction_Check
+#define __Pyx_CyFunction_Check(obj)  __Pyx_TypeCheck(obj, __pyx_CyFunctionType)
+#define __Pyx_CyOrPyCFunction_Check(obj)  __Pyx_TypeCheck2(obj, __pyx_CyFunctionType, &PyCFunction_Type)
+#define __Pyx_CyFunction_CheckExact(obj)  __Pyx_IS_TYPE(obj, __pyx_CyFunctionType)
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void *cfunc);
+#undef __Pyx_IsSameCFunction
+#define __Pyx_IsSameCFunction(func, cfunc)   __Pyx__IsSameCyOrCFunction(func, cfunc)
+static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject* op, PyMethodDef *ml,
+                                      int flags, PyObject* qualname,
+                                      PyObject *closure,
+                                      PyObject *module, PyObject *globals,
+                                      PyObject* code);
+static CYTHON_INLINE void __Pyx__CyFunction_SetClassObj(__pyx_CyFunctionObject* f, PyObject* classobj);
+static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *m,
+                                                         size_t size,
+                                                         int pyobjects);
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *m,
+                                                            PyObject *tuple);
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *m,
+                                                             PyObject *dict);
+static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *m,
+                                                              PyObject *dict);
+static int __pyx_CyFunction_init(PyObject *module);
+#if CYTHON_METH_FASTCALL
+static PyObject * __Pyx_CyFunction_Vectorcall_NOARGS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_O(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+#if CYTHON_BACKPORT_VECTORCALL
+#define __Pyx_CyFunction_func_vectorcall(f) (((__pyx_CyFunctionObject*)f)->func_vectorcall)
+#else
+#define __Pyx_CyFunction_func_vectorcall(f) (((PyCFunctionObject*)f)->vectorcall)
+#endif
+#endif
+
+/* CythonFunction.proto */
+static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml,
+                                      int flags, PyObject* qualname,
+                                      PyObject *closure,
+                                      PyObject *module, PyObject *globals,
+                                      PyObject* code);
 
 /* CLineInTraceback.proto */
 #ifdef CYTHON_CLINE_IN_TRACEBACK
@@ -1657,6 +2622,7 @@ static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line);
 #endif
 
 /* CodeObjectCache.proto */
+#if !CYTHON_COMPILING_IN_LIMITED_API
 typedef struct {
     PyCodeObject* code_object;
     int code_line;
@@ -1670,6 +2636,7 @@ static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
 static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
 static PyCodeObject *__pyx_find_code_object(int code_line);
 static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
+#endif
 
 /* AddTraceback.proto */
 static void __Pyx_AddTraceback(const char *funcname, int c_line,
@@ -1706,9 +2673,6 @@ static int __pyx_slices_overlap(__Pyx_memviewslice *slice1,
                                 __Pyx_memviewslice *slice2,
                                 int ndim, size_t itemsize);
 
-/* Capsule.proto */
-static CYTHON_INLINE PyObject *__pyx_capsule_create(void *p, const char *sig);
-
 /* IsLittleEndian.proto */
 static CYTHON_INLINE int __Pyx_Is_Little_Endian(void);
 
@@ -1744,11 +2708,6 @@ static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_dc_i
 /* ObjectToMemviewSlice.proto */
 static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_d_dc_float(PyObject *, int writable_flag);
 
-/* GCCDiagnostics.proto */
-#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
-#define __Pyx_HAS_GCC_DIAGNOSTIC
-#endif
-
 /* MemviewDtypeToObject.proto */
 static CYTHON_INLINE PyObject *__pyx_memview_get_float(const char *itemp);
 static CYTHON_INLINE int __pyx_memview_set_float(const char *itemp, PyObject *obj);
@@ -1796,7 +2755,7 @@ static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_d_d_
 #endif
 
 /* Arithmetic.proto */
-#if CYTHON_CCOMPLEX
+#if CYTHON_CCOMPLEX && (1) && (!0 || __cplusplus)
     #define __Pyx_c_eq_float(a, b)   ((a)==(b))
     #define __Pyx_c_sum_float(a, b)  ((a)+(b))
     #define __Pyx_c_diff_float(a, b) ((a)-(b))
@@ -1834,7 +2793,7 @@ static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_d_d_
 #endif
 
 /* Arithmetic.proto */
-#if CYTHON_CCOMPLEX
+#if CYTHON_CCOMPLEX && (1) && (!0 || __cplusplus)
     #define __Pyx_c_eq_double(a, b)   ((a)==(b))
     #define __Pyx_c_sum_double(a, b)  ((a)+(b))
     #define __Pyx_c_diff_double(a, b) ((a)-(b))
@@ -1878,15 +2837,40 @@ __pyx_memoryview_copy_new_contig(const __Pyx_memviewslice *from_mvs,
                                  size_t sizeof_dtype, int contig_flag,
                                  int dtype_is_object);
 
-/* CIntToPy.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);
-
-/* CIntToPy.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_char(char value);
-
-/* CIntFromPy.proto */
-static CYTHON_INLINE char __Pyx_PyInt_As_char(PyObject *);
-
+/* MemviewSliceInit.proto */
+#define __Pyx_BUF_MAX_NDIMS %(BUF_MAX_NDIMS)d
+#define __Pyx_MEMVIEW_DIRECT   1
+#define __Pyx_MEMVIEW_PTR      2
+#define __Pyx_MEMVIEW_FULL     4
+#define __Pyx_MEMVIEW_CONTIG   8
+#define __Pyx_MEMVIEW_STRIDED  16
+#define __Pyx_MEMVIEW_FOLLOW   32
+#define __Pyx_IS_C_CONTIG 1
+#define __Pyx_IS_F_CONTIG 2
+static int __Pyx_init_memviewslice(
+                struct __pyx_memoryview_obj *memview,
+                int ndim,
+                __Pyx_memviewslice *memviewslice,
+                int memview_is_new_reference);
+static CYTHON_INLINE int __pyx_add_acquisition_count_locked(
+    __pyx_atomic_int_type *acquisition_count, PyThread_type_lock lock);
+static CYTHON_INLINE int __pyx_sub_acquisition_count_locked(
+    __pyx_atomic_int_type *acquisition_count, PyThread_type_lock lock);
+#define __pyx_get_slice_count_pointer(memview) (&memview->acquisition_count)
+#define __PYX_INC_MEMVIEW(slice, have_gil) __Pyx_INC_MEMVIEW(slice, have_gil, __LINE__)
+#define __PYX_XCLEAR_MEMVIEW(slice, have_gil) __Pyx_XCLEAR_MEMVIEW(slice, have_gil, __LINE__)
+static CYTHON_INLINE void __Pyx_INC_MEMVIEW(__Pyx_memviewslice *, int, int);
+static CYTHON_INLINE void __Pyx_XCLEAR_MEMVIEW(__Pyx_memviewslice *, int, int);
+
+/* CIntToPy.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);
+
+/* CIntToPy.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_char(char value);
+
+/* CIntFromPy.proto */
+static CYTHON_INLINE char __Pyx_PyInt_As_char(PyObject *);
+
 /* CIntFromPy.proto */
 static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
 
@@ -1896,15 +2880,30 @@ static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
 /* CIntFromPy.proto */
 static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
 
+/* FormatTypeName.proto */
+#if CYTHON_COMPILING_IN_LIMITED_API
+typedef PyObject *__Pyx_TypeName;
+#define __Pyx_FMT_TYPENAME "%U"
+static __Pyx_TypeName __Pyx_PyType_GetName(PyTypeObject* tp);
+#define __Pyx_DECREF_TypeName(obj) Py_XDECREF(obj)
+#else
+typedef const char *__Pyx_TypeName;
+#define __Pyx_FMT_TYPENAME "%.200s"
+#define __Pyx_PyType_GetName(tp) ((tp)->tp_name)
+#define __Pyx_DECREF_TypeName(obj)
+#endif
+
 /* CheckBinaryVersion.proto */
-static int __Pyx_check_binary_version(void);
+static unsigned long __Pyx_get_runtime_version(void);
+static int __Pyx_check_binary_version(unsigned long ct_version, unsigned long rt_version, int allow_newer);
 
 /* FunctionImport.proto */
-static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig);
+static int __Pyx_ImportFunction_3_0_10(PyObject *module, const char *funcname, void (**f)(void), const char *sig);
 
 /* InitStrings.proto */
 static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);
 
+/* #### Code section: module_declarations ### */
 static PyObject *__pyx_array_get_memview(struct __pyx_array_obj *__pyx_v_self); /* proto*/
 static char *__pyx_memoryview_get_item_pointer(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_index); /* proto*/
 static PyObject *__pyx_memoryview_is_slice(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_obj); /* proto*/
@@ -1913,22 +2912,23 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
 static PyObject *__pyx_memoryview_setitem_indexed(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_index, PyObject *__pyx_v_value); /* proto*/
 static PyObject *__pyx_memoryview_convert_item_to_object(struct __pyx_memoryview_obj *__pyx_v_self, char *__pyx_v_itemp); /* proto*/
 static PyObject *__pyx_memoryview_assign_item_from_object(struct __pyx_memoryview_obj *__pyx_v_self, char *__pyx_v_itemp, PyObject *__pyx_v_value); /* proto*/
+static PyObject *__pyx_memoryview__get_base(struct __pyx_memoryview_obj *__pyx_v_self); /* proto*/
 static PyObject *__pyx_memoryviewslice_convert_item_to_object(struct __pyx_memoryviewslice_obj *__pyx_v_self, char *__pyx_v_itemp); /* proto*/
 static PyObject *__pyx_memoryviewslice_assign_item_from_object(struct __pyx_memoryviewslice_obj *__pyx_v_self, char *__pyx_v_itemp, PyObject *__pyx_v_value); /* proto*/
+static PyObject *__pyx_memoryviewslice__get_base(struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto*/
 
-/* Module declarations from 'cython.view' */
+/* Module declarations from "cython.view" */
 
-/* Module declarations from 'cython' */
+/* Module declarations from "cython.dataclasses" */
 
-/* Module declarations from 'scipy.linalg.cython_blas' */
+/* Module declarations from "cython" */
+
+/* Module declarations from "scipy.linalg.cython_blas" */
 static void (*__pyx_f_5scipy_6linalg_11cython_blas_ssyr)(char *, int *, __pyx_t_5scipy_6linalg_11cython_blas_s *, __pyx_t_5scipy_6linalg_11cython_blas_s *, int *, __pyx_t_5scipy_6linalg_11cython_blas_s *, int *); /*proto*/
 static void (*__pyx_f_5scipy_6linalg_11cython_blas_ssyr2)(char *, int *, __pyx_t_5scipy_6linalg_11cython_blas_s *, __pyx_t_5scipy_6linalg_11cython_blas_s *, int *, __pyx_t_5scipy_6linalg_11cython_blas_s *, int *, __pyx_t_5scipy_6linalg_11cython_blas_s *, int *); /*proto*/
 
-/* Module declarations from 'dense' */
-static PyTypeObject *__pyx_array_type = 0;
-static PyTypeObject *__pyx_MemviewEnum_type = 0;
-static PyTypeObject *__pyx_memoryview_type = 0;
-static PyTypeObject *__pyx_memoryviewslice_type = 0;
+/* Module declarations from "dense" */
+static PyObject *__pyx_collections_abc_Sequence = 0;
 static PyObject *generic = 0;
 static PyObject *strided = 0;
 static PyObject *indirect = 0;
@@ -1940,12 +2940,12 @@ static PyObject *__pyx_f_5dense_ttcDense(__Pyx_memviewslice, __Pyx_memviewslice,
 static PyObject *__pyx_f_5dense__ttc_upd(int, int *, int *, int *, int *, int, int); /*proto*/
 static PyObject *__pyx_f_5dense_ttcDense_int(__Pyx_memviewslice, __Pyx_memviewslice, __Pyx_memviewslice, int __pyx_skip_dispatch); /*proto*/
 static PyObject *__pyx_f_5dense_ttcDenseSymmNorm(__Pyx_memviewslice, __Pyx_memviewslice, int __pyx_skip_dispatch); /*proto*/
+static int __pyx_array_allocate_buffer(struct __pyx_array_obj *); /*proto*/
 static struct __pyx_array_obj *__pyx_array_new(PyObject *, Py_ssize_t, char *, char *, char *); /*proto*/
-static void *__pyx_align_pointer(void *, size_t); /*proto*/
 static PyObject *__pyx_memoryview_new(PyObject *, int, int, __Pyx_TypeInfo *); /*proto*/
 static CYTHON_INLINE int __pyx_memoryview_check(PyObject *); /*proto*/
 static PyObject *_unellipsify(PyObject *, int); /*proto*/
-static PyObject *assert_direct_dimensions(Py_ssize_t *, int); /*proto*/
+static int assert_direct_dimensions(Py_ssize_t *, int); /*proto*/
 static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_obj *, PyObject *); /*proto*/
 static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *, Py_ssize_t, Py_ssize_t, Py_ssize_t, int, int, int *, Py_ssize_t, Py_ssize_t, Py_ssize_t, int, int, int, int); /*proto*/
 static char *__pyx_pybuffer_index(Py_buffer *, char *, Py_ssize_t, Py_ssize_t); /*proto*/
@@ -1963,8 +2963,9 @@ static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *, int); /*
 static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *, Py_ssize_t *, Py_ssize_t, int, char); /*proto*/
 static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *, __Pyx_memviewslice *, char, int); /*proto*/
 static int __pyx_memoryview_err_extents(int, Py_ssize_t, Py_ssize_t); /*proto*/
-static int __pyx_memoryview_err_dim(PyObject *, char *, int); /*proto*/
-static int __pyx_memoryview_err(PyObject *, char *); /*proto*/
+static int __pyx_memoryview_err_dim(PyObject *, PyObject *, int); /*proto*/
+static int __pyx_memoryview_err(PyObject *, PyObject *); /*proto*/
+static int __pyx_memoryview_err_no_memory(void); /*proto*/
 static int __pyx_memoryview_copy_contents(__Pyx_memviewslice, __Pyx_memviewslice, int, int, int); /*proto*/
 static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *, int, int); /*proto*/
 static void __pyx_memoryview_refcount_copying(__Pyx_memviewslice *, int, int, int); /*proto*/
@@ -1973,29 +2974,46 @@ static void __pyx_memoryview_refcount_objects_in_slice(char *, Py_ssize_t *, Py_
 static void __pyx_memoryview_slice_assign_scalar(__Pyx_memviewslice *, int, size_t, void *, int); /*proto*/
 static void __pyx_memoryview__slice_assign_scalar(char *, Py_ssize_t *, Py_ssize_t *, int, size_t, void *); /*proto*/
 static PyObject *__pyx_unpickle_Enum__set_state(struct __pyx_MemviewEnum_obj *, PyObject *); /*proto*/
+/* #### Code section: typeinfo ### */
 static __Pyx_TypeInfo __Pyx_TypeInfo_float = { "float", NULL, sizeof(float), { 0 }, 0, 'R', 0, 0 };
-static __Pyx_TypeInfo __Pyx_TypeInfo_char = { "char", NULL, sizeof(char), { 0 }, 0, 'H', IS_UNSIGNED(char), 0 };
-static __Pyx_TypeInfo __Pyx_TypeInfo_int = { "int", NULL, sizeof(int), { 0 }, 0, IS_UNSIGNED(int) ? 'U' : 'I', IS_UNSIGNED(int), 0 };
+static __Pyx_TypeInfo __Pyx_TypeInfo_char = { "char", NULL, sizeof(char), { 0 }, 0, 'H', __PYX_IS_UNSIGNED(char), 0 };
+static __Pyx_TypeInfo __Pyx_TypeInfo_int = { "int", NULL, sizeof(int), { 0 }, 0, __PYX_IS_UNSIGNED(int) ? 'U' : 'I', __PYX_IS_UNSIGNED(int), 0 };
+/* #### Code section: before_global_var ### */
 #define __Pyx_MODULE_NAME "dense"
 extern int __pyx_module_is_main_dense;
 int __pyx_module_is_main_dense = 0;
 
-/* Implementation of 'dense' */
+/* Implementation of "dense" */
+/* #### Code section: global_var ### */
 static PyObject *__pyx_builtin_range;
+static PyObject *__pyx_builtin___import__;
 static PyObject *__pyx_builtin_ValueError;
 static PyObject *__pyx_builtin_MemoryError;
 static PyObject *__pyx_builtin_enumerate;
 static PyObject *__pyx_builtin_TypeError;
+static PyObject *__pyx_builtin_AssertionError;
 static PyObject *__pyx_builtin_Ellipsis;
 static PyObject *__pyx_builtin_id;
 static PyObject *__pyx_builtin_IndexError;
+/* #### Code section: string_decls ### */
+static const char __pyx_k_[] = ": ";
 static const char __pyx_k_O[] = "O";
 static const char __pyx_k_c[] = "c";
+static const char __pyx_k__2[] = ".";
+static const char __pyx_k__3[] = "*";
+static const char __pyx_k__6[] = "'";
+static const char __pyx_k__7[] = ")";
+static const char __pyx_k_gc[] = "gc";
 static const char __pyx_k_id[] = "id";
 static const char __pyx_k_np[] = "np";
+static const char __pyx_k__25[] = "?";
+static const char __pyx_k_abc[] = "abc";
+static const char __pyx_k_and[] = " and ";
 static const char __pyx_k_any[] = "any";
+static const char __pyx_k_got[] = " (got ";
 static const char __pyx_k_new[] = "__new__";
 static const char __pyx_k_obj[] = "obj";
+static const char __pyx_k_sys[] = "sys";
 static const char __pyx_k_axis[] = "axis";
 static const char __pyx_k_base[] = "base";
 static const char __pyx_k_data[] = "data";
@@ -2008,14 +3026,18 @@ static const char __pyx_k_name[] = "name";
 static const char __pyx_k_ndim[] = "ndim";
 static const char __pyx_k_pack[] = "pack";
 static const char __pyx_k_size[] = "size";
+static const char __pyx_k_spec[] = "__spec__";
 static const char __pyx_k_step[] = "step";
 static const char __pyx_k_stop[] = "stop";
 static const char __pyx_k_test[] = "__test__";
 static const char __pyx_k_ASCII[] = "ASCII";
 static const char __pyx_k_class[] = "__class__";
+static const char __pyx_k_count[] = "count";
+static const char __pyx_k_dense[] = "dense";
 static const char __pyx_k_dtype[] = "dtype";
 static const char __pyx_k_error[] = "error";
 static const char __pyx_k_flags[] = "flags";
+static const char __pyx_k_index[] = "index";
 static const char __pyx_k_int32[] = "int32";
 static const char __pyx_k_numpy[] = "numpy";
 static const char __pyx_k_range[] = "range";
@@ -2025,6 +3047,7 @@ static const char __pyx_k_start[] = "start";
 static const char __pyx_k_zeros[] = "zeros";
 static const char __pyx_k_argmax[] = "argmax";
 static const char __pyx_k_astype[] = "astype";
+static const char __pyx_k_enable[] = "enable";
 static const char __pyx_k_encode[] = "encode";
 static const char __pyx_k_format[] = "format";
 static const char __pyx_k_import[] = "__import__";
@@ -2035,17 +3058,22 @@ static const char __pyx_k_struct[] = "struct";
 static const char __pyx_k_unpack[] = "unpack";
 static const char __pyx_k_update[] = "update";
 static const char __pyx_k_asarray[] = "asarray";
+static const char __pyx_k_disable[] = "disable";
 static const char __pyx_k_float32[] = "float32";
 static const char __pyx_k_fortran[] = "fortran";
 static const char __pyx_k_memview[] = "memview";
 static const char __pyx_k_prevDat[] = "prevDat";
 static const char __pyx_k_Ellipsis[] = "Ellipsis";
+static const char __pyx_k_Sequence[] = "Sequence";
 static const char __pyx_k_getstate[] = "__getstate__";
 static const char __pyx_k_itemsize[] = "itemsize";
 static const char __pyx_k_pyx_type[] = "__pyx_type";
+static const char __pyx_k_register[] = "register";
 static const char __pyx_k_setstate[] = "__setstate__";
+static const char __pyx_k_ttcDense[] = "ttcDense";
 static const char __pyx_k_TypeError[] = "TypeError";
 static const char __pyx_k_enumerate[] = "enumerate";
+static const char __pyx_k_isenabled[] = "isenabled";
 static const char __pyx_k_pyx_state[] = "__pyx_state";
 static const char __pyx_k_reduce_ex[] = "__reduce_ex__";
 static const char __pyx_k_IndexError[] = "IndexError";
@@ -2055,147 +3083,57 @@ static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
 static const char __pyx_k_zeros_like[] = "zeros_like";
 static const char __pyx_k_MemoryError[] = "MemoryError";
 static const char __pyx_k_PickleError[] = "PickleError";
+static const char __pyx_k_collections[] = "collections";
+static const char __pyx_k_initializing[] = "_initializing";
+static const char __pyx_k_is_coroutine[] = "_is_coroutine";
 static const char __pyx_k_pyx_checksum[] = "__pyx_checksum";
-static const char __pyx_k_stringsource[] = "stringsource";
-static const char __pyx_k_pyx_getbuffer[] = "__pyx_getbuffer";
+static const char __pyx_k_stringsource[] = "<stringsource>";
+static const char __pyx_k_ttcDense_int[] = "ttcDense_int";
+static const char __pyx_k_version_info[] = "version_info";
+static const char __pyx_k_class_getitem[] = "__class_getitem__";
 static const char __pyx_k_reduce_cython[] = "__reduce_cython__";
+static const char __pyx_k_AssertionError[] = "AssertionError";
 static const char __pyx_k_View_MemoryView[] = "View.MemoryView";
 static const char __pyx_k_allocate_buffer[] = "allocate_buffer";
+static const char __pyx_k_collections_abc[] = "collections.abc";
 static const char __pyx_k_dtype_is_object[] = "dtype_is_object";
 static const char __pyx_k_pyx_PickleError[] = "__pyx_PickleError";
 static const char __pyx_k_setstate_cython[] = "__setstate_cython__";
+static const char __pyx_k_ttcDenseSymmNorm[] = "ttcDenseSymmNorm";
 static const char __pyx_k_pyx_unpickle_Enum[] = "__pyx_unpickle_Enum";
+static const char __pyx_k_asyncio_coroutines[] = "asyncio.coroutines";
 static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback";
 static const char __pyx_k_strided_and_direct[] = "<strided and direct>";
 static const char __pyx_k_strided_and_indirect[] = "<strided and indirect>";
+static const char __pyx_k_Invalid_shape_in_axis[] = "Invalid shape in axis ";
 static const char __pyx_k_contiguous_and_direct[] = "<contiguous and direct>";
+static const char __pyx_k_Cannot_index_with_type[] = "Cannot index with type '";
 static const char __pyx_k_MemoryView_of_r_object[] = "<MemoryView of %r object>";
 static const char __pyx_k_MemoryView_of_r_at_0x_x[] = "<MemoryView of %r at 0x%x>";
 static const char __pyx_k_contiguous_and_indirect[] = "<contiguous and indirect>";
-static const char __pyx_k_Cannot_index_with_type_s[] = "Cannot index with type '%s'";
-static const char __pyx_k_Invalid_shape_in_axis_d_d[] = "Invalid shape in axis %d: %d.";
+static const char __pyx_k_Dimension_d_is_not_direct[] = "Dimension %d is not direct";
+static const char __pyx_k_fastXPCS_cython_dense_pyx[] = "fastXPCS/cython/dense.pyx";
+static const char __pyx_k_Index_out_of_bounds_axis_d[] = "Index out of bounds (axis %d)";
+static const char __pyx_k_Step_may_not_be_zero_axis_d[] = "Step may not be zero (axis %d)";
 static const char __pyx_k_itemsize_0_for_cython_array[] = "itemsize <= 0 for cython.array";
 static const char __pyx_k_unable_to_allocate_array_data[] = "unable to allocate array data.";
 static const char __pyx_k_strided_and_direct_or_indirect[] = "<strided and direct or indirect>";
+static const char __pyx_k_All_dimensions_preceding_dimensi[] = "All dimensions preceding dimension %d must be indexed and not sliced";
 static const char __pyx_k_Buffer_view_does_not_expose_stri[] = "Buffer view does not expose strides";
 static const char __pyx_k_Can_only_create_a_buffer_that_is[] = "Can only create a buffer that is contiguous in memory.";
 static const char __pyx_k_Cannot_assign_to_read_only_memor[] = "Cannot assign to read-only memoryview";
 static const char __pyx_k_Cannot_create_writable_memory_vi[] = "Cannot create writable memory view from read-only memoryview";
+static const char __pyx_k_Cannot_transpose_memoryview_with[] = "Cannot transpose memoryview with indirect dimensions";
 static const char __pyx_k_Empty_shape_tuple_for_cython_arr[] = "Empty shape tuple for cython.array";
-static const char __pyx_k_Incompatible_checksums_s_vs_0xb0[] = "Incompatible checksums (%s vs 0xb068931 = (name))";
+static const char __pyx_k_Incompatible_checksums_0x_x_vs_0[] = "Incompatible checksums (0x%x vs (0x82a3537, 0x6ae9995, 0xb068931) = (name))";
 static const char __pyx_k_Indirect_dimensions_not_supporte[] = "Indirect dimensions not supported";
-static const char __pyx_k_Invalid_mode_expected_c_or_fortr[] = "Invalid mode, expected 'c' or 'fortran', got %s";
-static const char __pyx_k_Out_of_bounds_on_buffer_access_a[] = "Out of bounds on buffer access (axis %d)";
+static const char __pyx_k_Invalid_mode_expected_c_or_fortr[] = "Invalid mode, expected 'c' or 'fortran', got ";
+static const char __pyx_k_Out_of_bounds_on_buffer_access_a[] = "Out of bounds on buffer access (axis ";
 static const char __pyx_k_Unable_to_convert_item_to_object[] = "Unable to convert item to object";
-static const char __pyx_k_got_differing_extents_in_dimensi[] = "got differing extents in dimension %d (got %d and %d)";
+static const char __pyx_k_got_differing_extents_in_dimensi[] = "got differing extents in dimension ";
 static const char __pyx_k_no_default___reduce___due_to_non[] = "no default __reduce__ due to non-trivial __cinit__";
 static const char __pyx_k_unable_to_allocate_shape_and_str[] = "unable to allocate shape and strides.";
-static PyObject *__pyx_n_s_ASCII;
-static PyObject *__pyx_kp_s_Buffer_view_does_not_expose_stri;
-static PyObject *__pyx_kp_s_Can_only_create_a_buffer_that_is;
-static PyObject *__pyx_kp_s_Cannot_assign_to_read_only_memor;
-static PyObject *__pyx_kp_s_Cannot_create_writable_memory_vi;
-static PyObject *__pyx_kp_s_Cannot_index_with_type_s;
-static PyObject *__pyx_n_s_Ellipsis;
-static PyObject *__pyx_kp_s_Empty_shape_tuple_for_cython_arr;
-static PyObject *__pyx_kp_s_Incompatible_checksums_s_vs_0xb0;
-static PyObject *__pyx_n_s_IndexError;
-static PyObject *__pyx_kp_s_Indirect_dimensions_not_supporte;
-static PyObject *__pyx_kp_s_Invalid_mode_expected_c_or_fortr;
-static PyObject *__pyx_kp_s_Invalid_shape_in_axis_d_d;
-static PyObject *__pyx_n_s_MemoryError;
-static PyObject *__pyx_kp_s_MemoryView_of_r_at_0x_x;
-static PyObject *__pyx_kp_s_MemoryView_of_r_object;
-static PyObject *__pyx_n_b_O;
-static PyObject *__pyx_kp_s_Out_of_bounds_on_buffer_access_a;
-static PyObject *__pyx_n_s_PickleError;
-static PyObject *__pyx_n_s_TypeError;
-static PyObject *__pyx_kp_s_Unable_to_convert_item_to_object;
-static PyObject *__pyx_n_s_ValueError;
-static PyObject *__pyx_n_s_View_MemoryView;
-static PyObject *__pyx_n_s_allocate_buffer;
-static PyObject *__pyx_n_s_any;
-static PyObject *__pyx_n_s_argmax;
-static PyObject *__pyx_n_s_asarray;
-static PyObject *__pyx_n_s_astype;
-static PyObject *__pyx_n_s_axis;
-static PyObject *__pyx_n_s_base;
-static PyObject *__pyx_n_s_c;
-static PyObject *__pyx_n_u_c;
-static PyObject *__pyx_n_s_class;
-static PyObject *__pyx_n_s_cline_in_traceback;
-static PyObject *__pyx_kp_s_contiguous_and_direct;
-static PyObject *__pyx_kp_s_contiguous_and_indirect;
-static PyObject *__pyx_n_s_data;
-static PyObject *__pyx_n_s_dict;
-static PyObject *__pyx_n_s_dtype;
-static PyObject *__pyx_n_s_dtype_is_object;
-static PyObject *__pyx_n_s_encode;
-static PyObject *__pyx_n_s_enumerate;
-static PyObject *__pyx_n_s_error;
-static PyObject *__pyx_n_s_flags;
-static PyObject *__pyx_n_s_float32;
-static PyObject *__pyx_n_s_format;
-static PyObject *__pyx_n_s_fortran;
-static PyObject *__pyx_n_u_fortran;
-static PyObject *__pyx_n_s_getstate;
-static PyObject *__pyx_kp_s_got_differing_extents_in_dimensi;
-static PyObject *__pyx_n_s_id;
-static PyObject *__pyx_n_s_import;
-static PyObject *__pyx_n_s_int32;
-static PyObject *__pyx_n_s_int8;
-static PyObject *__pyx_n_s_itemsize;
-static PyObject *__pyx_kp_s_itemsize_0_for_cython_array;
-static PyObject *__pyx_n_s_main;
-static PyObject *__pyx_n_s_mask;
-static PyObject *__pyx_n_s_memview;
-static PyObject *__pyx_n_s_mode;
-static PyObject *__pyx_n_s_name;
-static PyObject *__pyx_n_s_name_2;
-static PyObject *__pyx_n_s_ndim;
-static PyObject *__pyx_n_s_new;
-static PyObject *__pyx_kp_s_no_default___reduce___due_to_non;
-static PyObject *__pyx_n_s_np;
-static PyObject *__pyx_n_s_numpy;
-static PyObject *__pyx_n_s_obj;
-static PyObject *__pyx_n_s_pack;
-static PyObject *__pyx_n_s_pickle;
-static PyObject *__pyx_n_s_prevDat;
-static PyObject *__pyx_n_s_pyx_PickleError;
-static PyObject *__pyx_n_s_pyx_checksum;
-static PyObject *__pyx_n_s_pyx_getbuffer;
-static PyObject *__pyx_n_s_pyx_result;
-static PyObject *__pyx_n_s_pyx_state;
-static PyObject *__pyx_n_s_pyx_type;
-static PyObject *__pyx_n_s_pyx_unpickle_Enum;
-static PyObject *__pyx_n_s_pyx_vtable;
-static PyObject *__pyx_n_s_range;
-static PyObject *__pyx_n_s_ravel;
-static PyObject *__pyx_n_s_reduce;
-static PyObject *__pyx_n_s_reduce_cython;
-static PyObject *__pyx_n_s_reduce_ex;
-static PyObject *__pyx_n_s_setstate;
-static PyObject *__pyx_n_s_setstate_cython;
-static PyObject *__pyx_n_s_shape;
-static PyObject *__pyx_n_s_size;
-static PyObject *__pyx_n_s_start;
-static PyObject *__pyx_n_s_step;
-static PyObject *__pyx_n_s_stop;
-static PyObject *__pyx_kp_s_strided_and_direct;
-static PyObject *__pyx_kp_s_strided_and_direct_or_indirect;
-static PyObject *__pyx_kp_s_strided_and_indirect;
-static PyObject *__pyx_kp_s_stringsource;
-static PyObject *__pyx_n_s_struct;
-static PyObject *__pyx_n_s_test;
-static PyObject *__pyx_kp_s_unable_to_allocate_array_data;
-static PyObject *__pyx_kp_s_unable_to_allocate_shape_and_str;
-static PyObject *__pyx_n_s_unpack;
-static PyObject *__pyx_n_s_update;
-static PyObject *__pyx_n_s_zeros;
-static PyObject *__pyx_n_s_zeros_like;
-static PyObject *__pyx_pf_5dense_ttcDense(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_data, __Pyx_memviewslice __pyx_v_prevDat, __Pyx_memviewslice __pyx_v_mask); /* proto */
-static PyObject *__pyx_pf_5dense_2ttcDense_int(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_data, __Pyx_memviewslice __pyx_v_prevDat, __Pyx_memviewslice __pyx_v_mask); /* proto */
-static PyObject *__pyx_pf_5dense_4ttcDenseSymmNorm(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_data, __Pyx_memviewslice __pyx_v_mask); /* proto */
+/* #### Code section: decls ### */
 static int __pyx_array___pyx_pf_15View_dot_MemoryView_5array___cinit__(struct __pyx_array_obj *__pyx_v_self, PyObject *__pyx_v_shape, Py_ssize_t __pyx_v_itemsize, PyObject *__pyx_v_format, PyObject *__pyx_v_mode, int __pyx_v_allocate_buffer); /* proto */
 static int __pyx_array___pyx_pf_15View_dot_MemoryView_5array_2__getbuffer__(struct __pyx_array_obj *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /* proto */
 static void __pyx_array___pyx_pf_15View_dot_MemoryView_5array_4__dealloc__(struct __pyx_array_obj *__pyx_v_self); /* proto */
@@ -2234,7557 +3172,7549 @@ static PyObject *__pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_22
 static PyObject *__pyx_pf___pyx_memoryview___reduce_cython__(CYTHON_UNUSED struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf___pyx_memoryview_2__setstate_cython__(CYTHON_UNUSED struct __pyx_memoryview_obj *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
 static void __pyx_memoryviewslice___pyx_pf_15View_dot_MemoryView_16_memoryviewslice___dealloc__(struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_15View_dot_MemoryView_16_memoryviewslice_4base___get__(struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf___pyx_memoryviewslice___reduce_cython__(CYTHON_UNUSED struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf___pyx_memoryviewslice_2__setstate_cython__(CYTHON_UNUSED struct __pyx_memoryviewslice_obj *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
 static PyObject *__pyx_pf_15View_dot_MemoryView___pyx_unpickle_Enum(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v___pyx_type, long __pyx_v___pyx_checksum, PyObject *__pyx_v___pyx_state); /* proto */
+static PyObject *__pyx_pf_5dense_ttcDense(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_data, __Pyx_memviewslice __pyx_v_prevDat, __Pyx_memviewslice __pyx_v_mask); /* proto */
+static PyObject *__pyx_pf_5dense_2ttcDense_int(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_data, __Pyx_memviewslice __pyx_v_prevDat, __Pyx_memviewslice __pyx_v_mask); /* proto */
+static PyObject *__pyx_pf_5dense_4ttcDenseSymmNorm(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_data, __Pyx_memviewslice __pyx_v_mask); /* proto */
 static PyObject *__pyx_tp_new_array(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
 static PyObject *__pyx_tp_new_Enum(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
 static PyObject *__pyx_tp_new_memoryview(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
 static PyObject *__pyx_tp_new__memoryviewslice(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_int_0;
-static PyObject *__pyx_int_1;
-static PyObject *__pyx_int_184977713;
-static PyObject *__pyx_int_neg_1;
-static PyObject *__pyx_tuple_;
-static PyObject *__pyx_tuple__2;
-static PyObject *__pyx_tuple__3;
-static PyObject *__pyx_tuple__4;
-static PyObject *__pyx_tuple__5;
-static PyObject *__pyx_tuple__6;
-static PyObject *__pyx_tuple__7;
-static PyObject *__pyx_tuple__8;
-static PyObject *__pyx_tuple__9;
-static PyObject *__pyx_slice__15;
-static PyObject *__pyx_tuple__10;
-static PyObject *__pyx_tuple__11;
-static PyObject *__pyx_tuple__12;
-static PyObject *__pyx_tuple__13;
-static PyObject *__pyx_tuple__14;
-static PyObject *__pyx_tuple__16;
-static PyObject *__pyx_tuple__17;
-static PyObject *__pyx_tuple__18;
-static PyObject *__pyx_tuple__19;
-static PyObject *__pyx_tuple__20;
-static PyObject *__pyx_tuple__21;
-static PyObject *__pyx_tuple__22;
-static PyObject *__pyx_tuple__23;
-static PyObject *__pyx_tuple__24;
-static PyObject *__pyx_codeobj__25;
-/* Late includes */
+/* #### Code section: late_includes ### */
+/* #### Code section: module_state ### */
+typedef struct {
+  PyObject *__pyx_d;
+  PyObject *__pyx_b;
+  PyObject *__pyx_cython_runtime;
+  PyObject *__pyx_empty_tuple;
+  PyObject *__pyx_empty_bytes;
+  PyObject *__pyx_empty_unicode;
+  #ifdef __Pyx_CyFunction_USED
+  PyTypeObject *__pyx_CyFunctionType;
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  PyTypeObject *__pyx_FusedFunctionType;
+  #endif
+  #ifdef __Pyx_Generator_USED
+  PyTypeObject *__pyx_GeneratorType;
+  #endif
+  #ifdef __Pyx_IterableCoroutine_USED
+  PyTypeObject *__pyx_IterableCoroutineType;
+  #endif
+  #ifdef __Pyx_Coroutine_USED
+  PyTypeObject *__pyx_CoroutineAwaitType;
+  #endif
+  #ifdef __Pyx_Coroutine_USED
+  PyTypeObject *__pyx_CoroutineType;
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  PyObject *__pyx_type___pyx_array;
+  PyObject *__pyx_type___pyx_MemviewEnum;
+  PyObject *__pyx_type___pyx_memoryview;
+  PyObject *__pyx_type___pyx_memoryviewslice;
+  #endif
+  PyTypeObject *__pyx_array_type;
+  PyTypeObject *__pyx_MemviewEnum_type;
+  PyTypeObject *__pyx_memoryview_type;
+  PyTypeObject *__pyx_memoryviewslice_type;
+  PyObject *__pyx_kp_u_;
+  PyObject *__pyx_n_s_ASCII;
+  PyObject *__pyx_kp_s_All_dimensions_preceding_dimensi;
+  PyObject *__pyx_n_s_AssertionError;
+  PyObject *__pyx_kp_s_Buffer_view_does_not_expose_stri;
+  PyObject *__pyx_kp_s_Can_only_create_a_buffer_that_is;
+  PyObject *__pyx_kp_s_Cannot_assign_to_read_only_memor;
+  PyObject *__pyx_kp_s_Cannot_create_writable_memory_vi;
+  PyObject *__pyx_kp_u_Cannot_index_with_type;
+  PyObject *__pyx_kp_s_Cannot_transpose_memoryview_with;
+  PyObject *__pyx_kp_s_Dimension_d_is_not_direct;
+  PyObject *__pyx_n_s_Ellipsis;
+  PyObject *__pyx_kp_s_Empty_shape_tuple_for_cython_arr;
+  PyObject *__pyx_kp_s_Incompatible_checksums_0x_x_vs_0;
+  PyObject *__pyx_n_s_IndexError;
+  PyObject *__pyx_kp_s_Index_out_of_bounds_axis_d;
+  PyObject *__pyx_kp_s_Indirect_dimensions_not_supporte;
+  PyObject *__pyx_kp_u_Invalid_mode_expected_c_or_fortr;
+  PyObject *__pyx_kp_u_Invalid_shape_in_axis;
+  PyObject *__pyx_n_s_MemoryError;
+  PyObject *__pyx_kp_s_MemoryView_of_r_at_0x_x;
+  PyObject *__pyx_kp_s_MemoryView_of_r_object;
+  PyObject *__pyx_n_b_O;
+  PyObject *__pyx_kp_u_Out_of_bounds_on_buffer_access_a;
+  PyObject *__pyx_n_s_PickleError;
+  PyObject *__pyx_n_s_Sequence;
+  PyObject *__pyx_kp_s_Step_may_not_be_zero_axis_d;
+  PyObject *__pyx_n_s_TypeError;
+  PyObject *__pyx_kp_s_Unable_to_convert_item_to_object;
+  PyObject *__pyx_n_s_ValueError;
+  PyObject *__pyx_n_s_View_MemoryView;
+  PyObject *__pyx_kp_u__2;
+  PyObject *__pyx_n_s__25;
+  PyObject *__pyx_n_s__3;
+  PyObject *__pyx_kp_u__6;
+  PyObject *__pyx_kp_u__7;
+  PyObject *__pyx_n_s_abc;
+  PyObject *__pyx_n_s_allocate_buffer;
+  PyObject *__pyx_kp_u_and;
+  PyObject *__pyx_n_s_any;
+  PyObject *__pyx_n_s_argmax;
+  PyObject *__pyx_n_s_asarray;
+  PyObject *__pyx_n_s_astype;
+  PyObject *__pyx_n_s_asyncio_coroutines;
+  PyObject *__pyx_n_s_axis;
+  PyObject *__pyx_n_s_base;
+  PyObject *__pyx_n_s_c;
+  PyObject *__pyx_n_u_c;
+  PyObject *__pyx_n_s_class;
+  PyObject *__pyx_n_s_class_getitem;
+  PyObject *__pyx_n_s_cline_in_traceback;
+  PyObject *__pyx_n_s_collections;
+  PyObject *__pyx_kp_s_collections_abc;
+  PyObject *__pyx_kp_s_contiguous_and_direct;
+  PyObject *__pyx_kp_s_contiguous_and_indirect;
+  PyObject *__pyx_n_s_count;
+  PyObject *__pyx_n_s_data;
+  PyObject *__pyx_n_s_dense;
+  PyObject *__pyx_n_s_dict;
+  PyObject *__pyx_kp_u_disable;
+  PyObject *__pyx_n_s_dtype;
+  PyObject *__pyx_n_s_dtype_is_object;
+  PyObject *__pyx_kp_u_enable;
+  PyObject *__pyx_n_s_encode;
+  PyObject *__pyx_n_s_enumerate;
+  PyObject *__pyx_n_s_error;
+  PyObject *__pyx_kp_s_fastXPCS_cython_dense_pyx;
+  PyObject *__pyx_n_s_flags;
+  PyObject *__pyx_n_s_float32;
+  PyObject *__pyx_n_s_format;
+  PyObject *__pyx_n_s_fortran;
+  PyObject *__pyx_n_u_fortran;
+  PyObject *__pyx_kp_u_gc;
+  PyObject *__pyx_n_s_getstate;
+  PyObject *__pyx_kp_u_got;
+  PyObject *__pyx_kp_u_got_differing_extents_in_dimensi;
+  PyObject *__pyx_n_s_id;
+  PyObject *__pyx_n_s_import;
+  PyObject *__pyx_n_s_index;
+  PyObject *__pyx_n_s_initializing;
+  PyObject *__pyx_n_s_int32;
+  PyObject *__pyx_n_s_int8;
+  PyObject *__pyx_n_s_is_coroutine;
+  PyObject *__pyx_kp_u_isenabled;
+  PyObject *__pyx_n_s_itemsize;
+  PyObject *__pyx_kp_s_itemsize_0_for_cython_array;
+  PyObject *__pyx_n_s_main;
+  PyObject *__pyx_n_s_mask;
+  PyObject *__pyx_n_s_memview;
+  PyObject *__pyx_n_s_mode;
+  PyObject *__pyx_n_s_name;
+  PyObject *__pyx_n_s_name_2;
+  PyObject *__pyx_n_s_ndim;
+  PyObject *__pyx_n_s_new;
+  PyObject *__pyx_kp_s_no_default___reduce___due_to_non;
+  PyObject *__pyx_n_s_np;
+  PyObject *__pyx_n_s_numpy;
+  PyObject *__pyx_n_s_obj;
+  PyObject *__pyx_n_s_pack;
+  PyObject *__pyx_n_s_pickle;
+  PyObject *__pyx_n_s_prevDat;
+  PyObject *__pyx_n_s_pyx_PickleError;
+  PyObject *__pyx_n_s_pyx_checksum;
+  PyObject *__pyx_n_s_pyx_result;
+  PyObject *__pyx_n_s_pyx_state;
+  PyObject *__pyx_n_s_pyx_type;
+  PyObject *__pyx_n_s_pyx_unpickle_Enum;
+  PyObject *__pyx_n_s_pyx_vtable;
+  PyObject *__pyx_n_s_range;
+  PyObject *__pyx_n_s_ravel;
+  PyObject *__pyx_n_s_reduce;
+  PyObject *__pyx_n_s_reduce_cython;
+  PyObject *__pyx_n_s_reduce_ex;
+  PyObject *__pyx_n_s_register;
+  PyObject *__pyx_n_s_setstate;
+  PyObject *__pyx_n_s_setstate_cython;
+  PyObject *__pyx_n_s_shape;
+  PyObject *__pyx_n_s_size;
+  PyObject *__pyx_n_s_spec;
+  PyObject *__pyx_n_s_start;
+  PyObject *__pyx_n_s_step;
+  PyObject *__pyx_n_s_stop;
+  PyObject *__pyx_kp_s_strided_and_direct;
+  PyObject *__pyx_kp_s_strided_and_direct_or_indirect;
+  PyObject *__pyx_kp_s_strided_and_indirect;
+  PyObject *__pyx_kp_s_stringsource;
+  PyObject *__pyx_n_s_struct;
+  PyObject *__pyx_n_s_sys;
+  PyObject *__pyx_n_s_test;
+  PyObject *__pyx_n_s_ttcDense;
+  PyObject *__pyx_n_s_ttcDenseSymmNorm;
+  PyObject *__pyx_n_s_ttcDense_int;
+  PyObject *__pyx_kp_s_unable_to_allocate_array_data;
+  PyObject *__pyx_kp_s_unable_to_allocate_shape_and_str;
+  PyObject *__pyx_n_s_unpack;
+  PyObject *__pyx_n_s_update;
+  PyObject *__pyx_n_s_version_info;
+  PyObject *__pyx_n_s_zeros;
+  PyObject *__pyx_n_s_zeros_like;
+  PyObject *__pyx_int_0;
+  PyObject *__pyx_int_1;
+  PyObject *__pyx_int_3;
+  PyObject *__pyx_int_112105877;
+  PyObject *__pyx_int_136983863;
+  PyObject *__pyx_int_184977713;
+  PyObject *__pyx_int_neg_1;
+  PyObject *__pyx_slice__5;
+  PyObject *__pyx_tuple__4;
+  PyObject *__pyx_tuple__8;
+  PyObject *__pyx_tuple__9;
+  PyObject *__pyx_tuple__10;
+  PyObject *__pyx_tuple__11;
+  PyObject *__pyx_tuple__12;
+  PyObject *__pyx_tuple__13;
+  PyObject *__pyx_tuple__14;
+  PyObject *__pyx_tuple__15;
+  PyObject *__pyx_tuple__16;
+  PyObject *__pyx_tuple__17;
+  PyObject *__pyx_tuple__18;
+  PyObject *__pyx_tuple__20;
+  PyObject *__pyx_tuple__23;
+  PyObject *__pyx_codeobj__19;
+  PyObject *__pyx_codeobj__21;
+  PyObject *__pyx_codeobj__22;
+  PyObject *__pyx_codeobj__24;
+} __pyx_mstate;
+
+#if CYTHON_USE_MODULE_STATE
+#ifdef __cplusplus
+namespace {
+  extern struct PyModuleDef __pyx_moduledef;
+} /* anonymous namespace */
+#else
+static struct PyModuleDef __pyx_moduledef;
+#endif
 
-/* "dense.pyx":10
- * @cython.nonecheck(False)
- * @cython.cdivision(True)
- * cpdef ttcDense(float[:,::1] data,             # <<<<<<<<<<<<<<
- *                float[:,::1] prevDat,
- *                char[:,:,::1]  mask):
+#define __pyx_mstate(o) ((__pyx_mstate *)__Pyx_PyModule_GetState(o))
+
+#define __pyx_mstate_global (__pyx_mstate(PyState_FindModule(&__pyx_moduledef)))
+
+#define __pyx_m (PyState_FindModule(&__pyx_moduledef))
+#else
+static __pyx_mstate __pyx_mstate_global_static =
+#ifdef __cplusplus
+    {};
+#else
+    {0};
+#endif
+static __pyx_mstate *__pyx_mstate_global = &__pyx_mstate_global_static;
+#endif
+/* #### Code section: module_state_clear ### */
+#if CYTHON_USE_MODULE_STATE
+static int __pyx_m_clear(PyObject *m) {
+  __pyx_mstate *clear_module_state = __pyx_mstate(m);
+  if (!clear_module_state) return 0;
+  Py_CLEAR(clear_module_state->__pyx_d);
+  Py_CLEAR(clear_module_state->__pyx_b);
+  Py_CLEAR(clear_module_state->__pyx_cython_runtime);
+  Py_CLEAR(clear_module_state->__pyx_empty_tuple);
+  Py_CLEAR(clear_module_state->__pyx_empty_bytes);
+  Py_CLEAR(clear_module_state->__pyx_empty_unicode);
+  #ifdef __Pyx_CyFunction_USED
+  Py_CLEAR(clear_module_state->__pyx_CyFunctionType);
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  Py_CLEAR(clear_module_state->__pyx_FusedFunctionType);
+  #endif
+  Py_CLEAR(clear_module_state->__pyx_array_type);
+  Py_CLEAR(clear_module_state->__pyx_type___pyx_array);
+  Py_CLEAR(clear_module_state->__pyx_MemviewEnum_type);
+  Py_CLEAR(clear_module_state->__pyx_type___pyx_MemviewEnum);
+  Py_CLEAR(clear_module_state->__pyx_memoryview_type);
+  Py_CLEAR(clear_module_state->__pyx_type___pyx_memoryview);
+  Py_CLEAR(clear_module_state->__pyx_memoryviewslice_type);
+  Py_CLEAR(clear_module_state->__pyx_type___pyx_memoryviewslice);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ASCII);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_All_dimensions_preceding_dimensi);
+  Py_CLEAR(clear_module_state->__pyx_n_s_AssertionError);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Buffer_view_does_not_expose_stri);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Can_only_create_a_buffer_that_is);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Cannot_assign_to_read_only_memor);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Cannot_create_writable_memory_vi);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_Cannot_index_with_type);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Cannot_transpose_memoryview_with);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Dimension_d_is_not_direct);
+  Py_CLEAR(clear_module_state->__pyx_n_s_Ellipsis);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Empty_shape_tuple_for_cython_arr);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Incompatible_checksums_0x_x_vs_0);
+  Py_CLEAR(clear_module_state->__pyx_n_s_IndexError);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Index_out_of_bounds_axis_d);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Indirect_dimensions_not_supporte);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_Invalid_mode_expected_c_or_fortr);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_Invalid_shape_in_axis);
+  Py_CLEAR(clear_module_state->__pyx_n_s_MemoryError);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_MemoryView_of_r_at_0x_x);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_MemoryView_of_r_object);
+  Py_CLEAR(clear_module_state->__pyx_n_b_O);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_Out_of_bounds_on_buffer_access_a);
+  Py_CLEAR(clear_module_state->__pyx_n_s_PickleError);
+  Py_CLEAR(clear_module_state->__pyx_n_s_Sequence);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Step_may_not_be_zero_axis_d);
+  Py_CLEAR(clear_module_state->__pyx_n_s_TypeError);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Unable_to_convert_item_to_object);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ValueError);
+  Py_CLEAR(clear_module_state->__pyx_n_s_View_MemoryView);
+  Py_CLEAR(clear_module_state->__pyx_kp_u__2);
+  Py_CLEAR(clear_module_state->__pyx_n_s__25);
+  Py_CLEAR(clear_module_state->__pyx_n_s__3);
+  Py_CLEAR(clear_module_state->__pyx_kp_u__6);
+  Py_CLEAR(clear_module_state->__pyx_kp_u__7);
+  Py_CLEAR(clear_module_state->__pyx_n_s_abc);
+  Py_CLEAR(clear_module_state->__pyx_n_s_allocate_buffer);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_and);
+  Py_CLEAR(clear_module_state->__pyx_n_s_any);
+  Py_CLEAR(clear_module_state->__pyx_n_s_argmax);
+  Py_CLEAR(clear_module_state->__pyx_n_s_asarray);
+  Py_CLEAR(clear_module_state->__pyx_n_s_astype);
+  Py_CLEAR(clear_module_state->__pyx_n_s_asyncio_coroutines);
+  Py_CLEAR(clear_module_state->__pyx_n_s_axis);
+  Py_CLEAR(clear_module_state->__pyx_n_s_base);
+  Py_CLEAR(clear_module_state->__pyx_n_s_c);
+  Py_CLEAR(clear_module_state->__pyx_n_u_c);
+  Py_CLEAR(clear_module_state->__pyx_n_s_class);
+  Py_CLEAR(clear_module_state->__pyx_n_s_class_getitem);
+  Py_CLEAR(clear_module_state->__pyx_n_s_cline_in_traceback);
+  Py_CLEAR(clear_module_state->__pyx_n_s_collections);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_collections_abc);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_contiguous_and_direct);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_contiguous_and_indirect);
+  Py_CLEAR(clear_module_state->__pyx_n_s_count);
+  Py_CLEAR(clear_module_state->__pyx_n_s_data);
+  Py_CLEAR(clear_module_state->__pyx_n_s_dense);
+  Py_CLEAR(clear_module_state->__pyx_n_s_dict);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_disable);
+  Py_CLEAR(clear_module_state->__pyx_n_s_dtype);
+  Py_CLEAR(clear_module_state->__pyx_n_s_dtype_is_object);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_enable);
+  Py_CLEAR(clear_module_state->__pyx_n_s_encode);
+  Py_CLEAR(clear_module_state->__pyx_n_s_enumerate);
+  Py_CLEAR(clear_module_state->__pyx_n_s_error);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_fastXPCS_cython_dense_pyx);
+  Py_CLEAR(clear_module_state->__pyx_n_s_flags);
+  Py_CLEAR(clear_module_state->__pyx_n_s_float32);
+  Py_CLEAR(clear_module_state->__pyx_n_s_format);
+  Py_CLEAR(clear_module_state->__pyx_n_s_fortran);
+  Py_CLEAR(clear_module_state->__pyx_n_u_fortran);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_gc);
+  Py_CLEAR(clear_module_state->__pyx_n_s_getstate);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_got);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_got_differing_extents_in_dimensi);
+  Py_CLEAR(clear_module_state->__pyx_n_s_id);
+  Py_CLEAR(clear_module_state->__pyx_n_s_import);
+  Py_CLEAR(clear_module_state->__pyx_n_s_index);
+  Py_CLEAR(clear_module_state->__pyx_n_s_initializing);
+  Py_CLEAR(clear_module_state->__pyx_n_s_int32);
+  Py_CLEAR(clear_module_state->__pyx_n_s_int8);
+  Py_CLEAR(clear_module_state->__pyx_n_s_is_coroutine);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_isenabled);
+  Py_CLEAR(clear_module_state->__pyx_n_s_itemsize);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_itemsize_0_for_cython_array);
+  Py_CLEAR(clear_module_state->__pyx_n_s_main);
+  Py_CLEAR(clear_module_state->__pyx_n_s_mask);
+  Py_CLEAR(clear_module_state->__pyx_n_s_memview);
+  Py_CLEAR(clear_module_state->__pyx_n_s_mode);
+  Py_CLEAR(clear_module_state->__pyx_n_s_name);
+  Py_CLEAR(clear_module_state->__pyx_n_s_name_2);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ndim);
+  Py_CLEAR(clear_module_state->__pyx_n_s_new);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_no_default___reduce___due_to_non);
+  Py_CLEAR(clear_module_state->__pyx_n_s_np);
+  Py_CLEAR(clear_module_state->__pyx_n_s_numpy);
+  Py_CLEAR(clear_module_state->__pyx_n_s_obj);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pack);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pickle);
+  Py_CLEAR(clear_module_state->__pyx_n_s_prevDat);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_PickleError);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_checksum);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_result);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_state);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_type);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_unpickle_Enum);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_vtable);
+  Py_CLEAR(clear_module_state->__pyx_n_s_range);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ravel);
+  Py_CLEAR(clear_module_state->__pyx_n_s_reduce);
+  Py_CLEAR(clear_module_state->__pyx_n_s_reduce_cython);
+  Py_CLEAR(clear_module_state->__pyx_n_s_reduce_ex);
+  Py_CLEAR(clear_module_state->__pyx_n_s_register);
+  Py_CLEAR(clear_module_state->__pyx_n_s_setstate);
+  Py_CLEAR(clear_module_state->__pyx_n_s_setstate_cython);
+  Py_CLEAR(clear_module_state->__pyx_n_s_shape);
+  Py_CLEAR(clear_module_state->__pyx_n_s_size);
+  Py_CLEAR(clear_module_state->__pyx_n_s_spec);
+  Py_CLEAR(clear_module_state->__pyx_n_s_start);
+  Py_CLEAR(clear_module_state->__pyx_n_s_step);
+  Py_CLEAR(clear_module_state->__pyx_n_s_stop);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_strided_and_direct);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_strided_and_direct_or_indirect);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_strided_and_indirect);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_stringsource);
+  Py_CLEAR(clear_module_state->__pyx_n_s_struct);
+  Py_CLEAR(clear_module_state->__pyx_n_s_sys);
+  Py_CLEAR(clear_module_state->__pyx_n_s_test);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ttcDense);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ttcDenseSymmNorm);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ttcDense_int);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_unable_to_allocate_array_data);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_unable_to_allocate_shape_and_str);
+  Py_CLEAR(clear_module_state->__pyx_n_s_unpack);
+  Py_CLEAR(clear_module_state->__pyx_n_s_update);
+  Py_CLEAR(clear_module_state->__pyx_n_s_version_info);
+  Py_CLEAR(clear_module_state->__pyx_n_s_zeros);
+  Py_CLEAR(clear_module_state->__pyx_n_s_zeros_like);
+  Py_CLEAR(clear_module_state->__pyx_int_0);
+  Py_CLEAR(clear_module_state->__pyx_int_1);
+  Py_CLEAR(clear_module_state->__pyx_int_3);
+  Py_CLEAR(clear_module_state->__pyx_int_112105877);
+  Py_CLEAR(clear_module_state->__pyx_int_136983863);
+  Py_CLEAR(clear_module_state->__pyx_int_184977713);
+  Py_CLEAR(clear_module_state->__pyx_int_neg_1);
+  Py_CLEAR(clear_module_state->__pyx_slice__5);
+  Py_CLEAR(clear_module_state->__pyx_tuple__4);
+  Py_CLEAR(clear_module_state->__pyx_tuple__8);
+  Py_CLEAR(clear_module_state->__pyx_tuple__9);
+  Py_CLEAR(clear_module_state->__pyx_tuple__10);
+  Py_CLEAR(clear_module_state->__pyx_tuple__11);
+  Py_CLEAR(clear_module_state->__pyx_tuple__12);
+  Py_CLEAR(clear_module_state->__pyx_tuple__13);
+  Py_CLEAR(clear_module_state->__pyx_tuple__14);
+  Py_CLEAR(clear_module_state->__pyx_tuple__15);
+  Py_CLEAR(clear_module_state->__pyx_tuple__16);
+  Py_CLEAR(clear_module_state->__pyx_tuple__17);
+  Py_CLEAR(clear_module_state->__pyx_tuple__18);
+  Py_CLEAR(clear_module_state->__pyx_tuple__20);
+  Py_CLEAR(clear_module_state->__pyx_tuple__23);
+  Py_CLEAR(clear_module_state->__pyx_codeobj__19);
+  Py_CLEAR(clear_module_state->__pyx_codeobj__21);
+  Py_CLEAR(clear_module_state->__pyx_codeobj__22);
+  Py_CLEAR(clear_module_state->__pyx_codeobj__24);
+  return 0;
+}
+#endif
+/* #### Code section: module_state_traverse ### */
+#if CYTHON_USE_MODULE_STATE
+static int __pyx_m_traverse(PyObject *m, visitproc visit, void *arg) {
+  __pyx_mstate *traverse_module_state = __pyx_mstate(m);
+  if (!traverse_module_state) return 0;
+  Py_VISIT(traverse_module_state->__pyx_d);
+  Py_VISIT(traverse_module_state->__pyx_b);
+  Py_VISIT(traverse_module_state->__pyx_cython_runtime);
+  Py_VISIT(traverse_module_state->__pyx_empty_tuple);
+  Py_VISIT(traverse_module_state->__pyx_empty_bytes);
+  Py_VISIT(traverse_module_state->__pyx_empty_unicode);
+  #ifdef __Pyx_CyFunction_USED
+  Py_VISIT(traverse_module_state->__pyx_CyFunctionType);
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  Py_VISIT(traverse_module_state->__pyx_FusedFunctionType);
+  #endif
+  Py_VISIT(traverse_module_state->__pyx_array_type);
+  Py_VISIT(traverse_module_state->__pyx_type___pyx_array);
+  Py_VISIT(traverse_module_state->__pyx_MemviewEnum_type);
+  Py_VISIT(traverse_module_state->__pyx_type___pyx_MemviewEnum);
+  Py_VISIT(traverse_module_state->__pyx_memoryview_type);
+  Py_VISIT(traverse_module_state->__pyx_type___pyx_memoryview);
+  Py_VISIT(traverse_module_state->__pyx_memoryviewslice_type);
+  Py_VISIT(traverse_module_state->__pyx_type___pyx_memoryviewslice);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ASCII);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_All_dimensions_preceding_dimensi);
+  Py_VISIT(traverse_module_state->__pyx_n_s_AssertionError);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Buffer_view_does_not_expose_stri);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Can_only_create_a_buffer_that_is);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Cannot_assign_to_read_only_memor);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Cannot_create_writable_memory_vi);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_Cannot_index_with_type);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Cannot_transpose_memoryview_with);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Dimension_d_is_not_direct);
+  Py_VISIT(traverse_module_state->__pyx_n_s_Ellipsis);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Empty_shape_tuple_for_cython_arr);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Incompatible_checksums_0x_x_vs_0);
+  Py_VISIT(traverse_module_state->__pyx_n_s_IndexError);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Index_out_of_bounds_axis_d);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Indirect_dimensions_not_supporte);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_Invalid_mode_expected_c_or_fortr);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_Invalid_shape_in_axis);
+  Py_VISIT(traverse_module_state->__pyx_n_s_MemoryError);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_MemoryView_of_r_at_0x_x);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_MemoryView_of_r_object);
+  Py_VISIT(traverse_module_state->__pyx_n_b_O);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_Out_of_bounds_on_buffer_access_a);
+  Py_VISIT(traverse_module_state->__pyx_n_s_PickleError);
+  Py_VISIT(traverse_module_state->__pyx_n_s_Sequence);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Step_may_not_be_zero_axis_d);
+  Py_VISIT(traverse_module_state->__pyx_n_s_TypeError);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Unable_to_convert_item_to_object);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ValueError);
+  Py_VISIT(traverse_module_state->__pyx_n_s_View_MemoryView);
+  Py_VISIT(traverse_module_state->__pyx_kp_u__2);
+  Py_VISIT(traverse_module_state->__pyx_n_s__25);
+  Py_VISIT(traverse_module_state->__pyx_n_s__3);
+  Py_VISIT(traverse_module_state->__pyx_kp_u__6);
+  Py_VISIT(traverse_module_state->__pyx_kp_u__7);
+  Py_VISIT(traverse_module_state->__pyx_n_s_abc);
+  Py_VISIT(traverse_module_state->__pyx_n_s_allocate_buffer);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_and);
+  Py_VISIT(traverse_module_state->__pyx_n_s_any);
+  Py_VISIT(traverse_module_state->__pyx_n_s_argmax);
+  Py_VISIT(traverse_module_state->__pyx_n_s_asarray);
+  Py_VISIT(traverse_module_state->__pyx_n_s_astype);
+  Py_VISIT(traverse_module_state->__pyx_n_s_asyncio_coroutines);
+  Py_VISIT(traverse_module_state->__pyx_n_s_axis);
+  Py_VISIT(traverse_module_state->__pyx_n_s_base);
+  Py_VISIT(traverse_module_state->__pyx_n_s_c);
+  Py_VISIT(traverse_module_state->__pyx_n_u_c);
+  Py_VISIT(traverse_module_state->__pyx_n_s_class);
+  Py_VISIT(traverse_module_state->__pyx_n_s_class_getitem);
+  Py_VISIT(traverse_module_state->__pyx_n_s_cline_in_traceback);
+  Py_VISIT(traverse_module_state->__pyx_n_s_collections);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_collections_abc);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_contiguous_and_direct);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_contiguous_and_indirect);
+  Py_VISIT(traverse_module_state->__pyx_n_s_count);
+  Py_VISIT(traverse_module_state->__pyx_n_s_data);
+  Py_VISIT(traverse_module_state->__pyx_n_s_dense);
+  Py_VISIT(traverse_module_state->__pyx_n_s_dict);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_disable);
+  Py_VISIT(traverse_module_state->__pyx_n_s_dtype);
+  Py_VISIT(traverse_module_state->__pyx_n_s_dtype_is_object);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_enable);
+  Py_VISIT(traverse_module_state->__pyx_n_s_encode);
+  Py_VISIT(traverse_module_state->__pyx_n_s_enumerate);
+  Py_VISIT(traverse_module_state->__pyx_n_s_error);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_fastXPCS_cython_dense_pyx);
+  Py_VISIT(traverse_module_state->__pyx_n_s_flags);
+  Py_VISIT(traverse_module_state->__pyx_n_s_float32);
+  Py_VISIT(traverse_module_state->__pyx_n_s_format);
+  Py_VISIT(traverse_module_state->__pyx_n_s_fortran);
+  Py_VISIT(traverse_module_state->__pyx_n_u_fortran);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_gc);
+  Py_VISIT(traverse_module_state->__pyx_n_s_getstate);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_got);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_got_differing_extents_in_dimensi);
+  Py_VISIT(traverse_module_state->__pyx_n_s_id);
+  Py_VISIT(traverse_module_state->__pyx_n_s_import);
+  Py_VISIT(traverse_module_state->__pyx_n_s_index);
+  Py_VISIT(traverse_module_state->__pyx_n_s_initializing);
+  Py_VISIT(traverse_module_state->__pyx_n_s_int32);
+  Py_VISIT(traverse_module_state->__pyx_n_s_int8);
+  Py_VISIT(traverse_module_state->__pyx_n_s_is_coroutine);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_isenabled);
+  Py_VISIT(traverse_module_state->__pyx_n_s_itemsize);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_itemsize_0_for_cython_array);
+  Py_VISIT(traverse_module_state->__pyx_n_s_main);
+  Py_VISIT(traverse_module_state->__pyx_n_s_mask);
+  Py_VISIT(traverse_module_state->__pyx_n_s_memview);
+  Py_VISIT(traverse_module_state->__pyx_n_s_mode);
+  Py_VISIT(traverse_module_state->__pyx_n_s_name);
+  Py_VISIT(traverse_module_state->__pyx_n_s_name_2);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ndim);
+  Py_VISIT(traverse_module_state->__pyx_n_s_new);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_no_default___reduce___due_to_non);
+  Py_VISIT(traverse_module_state->__pyx_n_s_np);
+  Py_VISIT(traverse_module_state->__pyx_n_s_numpy);
+  Py_VISIT(traverse_module_state->__pyx_n_s_obj);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pack);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pickle);
+  Py_VISIT(traverse_module_state->__pyx_n_s_prevDat);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_PickleError);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_checksum);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_result);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_state);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_type);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_unpickle_Enum);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_vtable);
+  Py_VISIT(traverse_module_state->__pyx_n_s_range);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ravel);
+  Py_VISIT(traverse_module_state->__pyx_n_s_reduce);
+  Py_VISIT(traverse_module_state->__pyx_n_s_reduce_cython);
+  Py_VISIT(traverse_module_state->__pyx_n_s_reduce_ex);
+  Py_VISIT(traverse_module_state->__pyx_n_s_register);
+  Py_VISIT(traverse_module_state->__pyx_n_s_setstate);
+  Py_VISIT(traverse_module_state->__pyx_n_s_setstate_cython);
+  Py_VISIT(traverse_module_state->__pyx_n_s_shape);
+  Py_VISIT(traverse_module_state->__pyx_n_s_size);
+  Py_VISIT(traverse_module_state->__pyx_n_s_spec);
+  Py_VISIT(traverse_module_state->__pyx_n_s_start);
+  Py_VISIT(traverse_module_state->__pyx_n_s_step);
+  Py_VISIT(traverse_module_state->__pyx_n_s_stop);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_strided_and_direct);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_strided_and_direct_or_indirect);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_strided_and_indirect);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_stringsource);
+  Py_VISIT(traverse_module_state->__pyx_n_s_struct);
+  Py_VISIT(traverse_module_state->__pyx_n_s_sys);
+  Py_VISIT(traverse_module_state->__pyx_n_s_test);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ttcDense);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ttcDenseSymmNorm);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ttcDense_int);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_unable_to_allocate_array_data);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_unable_to_allocate_shape_and_str);
+  Py_VISIT(traverse_module_state->__pyx_n_s_unpack);
+  Py_VISIT(traverse_module_state->__pyx_n_s_update);
+  Py_VISIT(traverse_module_state->__pyx_n_s_version_info);
+  Py_VISIT(traverse_module_state->__pyx_n_s_zeros);
+  Py_VISIT(traverse_module_state->__pyx_n_s_zeros_like);
+  Py_VISIT(traverse_module_state->__pyx_int_0);
+  Py_VISIT(traverse_module_state->__pyx_int_1);
+  Py_VISIT(traverse_module_state->__pyx_int_3);
+  Py_VISIT(traverse_module_state->__pyx_int_112105877);
+  Py_VISIT(traverse_module_state->__pyx_int_136983863);
+  Py_VISIT(traverse_module_state->__pyx_int_184977713);
+  Py_VISIT(traverse_module_state->__pyx_int_neg_1);
+  Py_VISIT(traverse_module_state->__pyx_slice__5);
+  Py_VISIT(traverse_module_state->__pyx_tuple__4);
+  Py_VISIT(traverse_module_state->__pyx_tuple__8);
+  Py_VISIT(traverse_module_state->__pyx_tuple__9);
+  Py_VISIT(traverse_module_state->__pyx_tuple__10);
+  Py_VISIT(traverse_module_state->__pyx_tuple__11);
+  Py_VISIT(traverse_module_state->__pyx_tuple__12);
+  Py_VISIT(traverse_module_state->__pyx_tuple__13);
+  Py_VISIT(traverse_module_state->__pyx_tuple__14);
+  Py_VISIT(traverse_module_state->__pyx_tuple__15);
+  Py_VISIT(traverse_module_state->__pyx_tuple__16);
+  Py_VISIT(traverse_module_state->__pyx_tuple__17);
+  Py_VISIT(traverse_module_state->__pyx_tuple__18);
+  Py_VISIT(traverse_module_state->__pyx_tuple__20);
+  Py_VISIT(traverse_module_state->__pyx_tuple__23);
+  Py_VISIT(traverse_module_state->__pyx_codeobj__19);
+  Py_VISIT(traverse_module_state->__pyx_codeobj__21);
+  Py_VISIT(traverse_module_state->__pyx_codeobj__22);
+  Py_VISIT(traverse_module_state->__pyx_codeobj__24);
+  return 0;
+}
+#endif
+/* #### Code section: module_state_defines ### */
+#define __pyx_d __pyx_mstate_global->__pyx_d
+#define __pyx_b __pyx_mstate_global->__pyx_b
+#define __pyx_cython_runtime __pyx_mstate_global->__pyx_cython_runtime
+#define __pyx_empty_tuple __pyx_mstate_global->__pyx_empty_tuple
+#define __pyx_empty_bytes __pyx_mstate_global->__pyx_empty_bytes
+#define __pyx_empty_unicode __pyx_mstate_global->__pyx_empty_unicode
+#ifdef __Pyx_CyFunction_USED
+#define __pyx_CyFunctionType __pyx_mstate_global->__pyx_CyFunctionType
+#endif
+#ifdef __Pyx_FusedFunction_USED
+#define __pyx_FusedFunctionType __pyx_mstate_global->__pyx_FusedFunctionType
+#endif
+#ifdef __Pyx_Generator_USED
+#define __pyx_GeneratorType __pyx_mstate_global->__pyx_GeneratorType
+#endif
+#ifdef __Pyx_IterableCoroutine_USED
+#define __pyx_IterableCoroutineType __pyx_mstate_global->__pyx_IterableCoroutineType
+#endif
+#ifdef __Pyx_Coroutine_USED
+#define __pyx_CoroutineAwaitType __pyx_mstate_global->__pyx_CoroutineAwaitType
+#endif
+#ifdef __Pyx_Coroutine_USED
+#define __pyx_CoroutineType __pyx_mstate_global->__pyx_CoroutineType
+#endif
+#if CYTHON_USE_MODULE_STATE
+#endif
+#if CYTHON_USE_MODULE_STATE
+#endif
+#if CYTHON_USE_MODULE_STATE
+#endif
+#if CYTHON_USE_MODULE_STATE
+#endif
+#if CYTHON_USE_MODULE_STATE
+#define __pyx_type___pyx_array __pyx_mstate_global->__pyx_type___pyx_array
+#define __pyx_type___pyx_MemviewEnum __pyx_mstate_global->__pyx_type___pyx_MemviewEnum
+#define __pyx_type___pyx_memoryview __pyx_mstate_global->__pyx_type___pyx_memoryview
+#define __pyx_type___pyx_memoryviewslice __pyx_mstate_global->__pyx_type___pyx_memoryviewslice
+#endif
+#define __pyx_array_type __pyx_mstate_global->__pyx_array_type
+#define __pyx_MemviewEnum_type __pyx_mstate_global->__pyx_MemviewEnum_type
+#define __pyx_memoryview_type __pyx_mstate_global->__pyx_memoryview_type
+#define __pyx_memoryviewslice_type __pyx_mstate_global->__pyx_memoryviewslice_type
+#define __pyx_kp_u_ __pyx_mstate_global->__pyx_kp_u_
+#define __pyx_n_s_ASCII __pyx_mstate_global->__pyx_n_s_ASCII
+#define __pyx_kp_s_All_dimensions_preceding_dimensi __pyx_mstate_global->__pyx_kp_s_All_dimensions_preceding_dimensi
+#define __pyx_n_s_AssertionError __pyx_mstate_global->__pyx_n_s_AssertionError
+#define __pyx_kp_s_Buffer_view_does_not_expose_stri __pyx_mstate_global->__pyx_kp_s_Buffer_view_does_not_expose_stri
+#define __pyx_kp_s_Can_only_create_a_buffer_that_is __pyx_mstate_global->__pyx_kp_s_Can_only_create_a_buffer_that_is
+#define __pyx_kp_s_Cannot_assign_to_read_only_memor __pyx_mstate_global->__pyx_kp_s_Cannot_assign_to_read_only_memor
+#define __pyx_kp_s_Cannot_create_writable_memory_vi __pyx_mstate_global->__pyx_kp_s_Cannot_create_writable_memory_vi
+#define __pyx_kp_u_Cannot_index_with_type __pyx_mstate_global->__pyx_kp_u_Cannot_index_with_type
+#define __pyx_kp_s_Cannot_transpose_memoryview_with __pyx_mstate_global->__pyx_kp_s_Cannot_transpose_memoryview_with
+#define __pyx_kp_s_Dimension_d_is_not_direct __pyx_mstate_global->__pyx_kp_s_Dimension_d_is_not_direct
+#define __pyx_n_s_Ellipsis __pyx_mstate_global->__pyx_n_s_Ellipsis
+#define __pyx_kp_s_Empty_shape_tuple_for_cython_arr __pyx_mstate_global->__pyx_kp_s_Empty_shape_tuple_for_cython_arr
+#define __pyx_kp_s_Incompatible_checksums_0x_x_vs_0 __pyx_mstate_global->__pyx_kp_s_Incompatible_checksums_0x_x_vs_0
+#define __pyx_n_s_IndexError __pyx_mstate_global->__pyx_n_s_IndexError
+#define __pyx_kp_s_Index_out_of_bounds_axis_d __pyx_mstate_global->__pyx_kp_s_Index_out_of_bounds_axis_d
+#define __pyx_kp_s_Indirect_dimensions_not_supporte __pyx_mstate_global->__pyx_kp_s_Indirect_dimensions_not_supporte
+#define __pyx_kp_u_Invalid_mode_expected_c_or_fortr __pyx_mstate_global->__pyx_kp_u_Invalid_mode_expected_c_or_fortr
+#define __pyx_kp_u_Invalid_shape_in_axis __pyx_mstate_global->__pyx_kp_u_Invalid_shape_in_axis
+#define __pyx_n_s_MemoryError __pyx_mstate_global->__pyx_n_s_MemoryError
+#define __pyx_kp_s_MemoryView_of_r_at_0x_x __pyx_mstate_global->__pyx_kp_s_MemoryView_of_r_at_0x_x
+#define __pyx_kp_s_MemoryView_of_r_object __pyx_mstate_global->__pyx_kp_s_MemoryView_of_r_object
+#define __pyx_n_b_O __pyx_mstate_global->__pyx_n_b_O
+#define __pyx_kp_u_Out_of_bounds_on_buffer_access_a __pyx_mstate_global->__pyx_kp_u_Out_of_bounds_on_buffer_access_a
+#define __pyx_n_s_PickleError __pyx_mstate_global->__pyx_n_s_PickleError
+#define __pyx_n_s_Sequence __pyx_mstate_global->__pyx_n_s_Sequence
+#define __pyx_kp_s_Step_may_not_be_zero_axis_d __pyx_mstate_global->__pyx_kp_s_Step_may_not_be_zero_axis_d
+#define __pyx_n_s_TypeError __pyx_mstate_global->__pyx_n_s_TypeError
+#define __pyx_kp_s_Unable_to_convert_item_to_object __pyx_mstate_global->__pyx_kp_s_Unable_to_convert_item_to_object
+#define __pyx_n_s_ValueError __pyx_mstate_global->__pyx_n_s_ValueError
+#define __pyx_n_s_View_MemoryView __pyx_mstate_global->__pyx_n_s_View_MemoryView
+#define __pyx_kp_u__2 __pyx_mstate_global->__pyx_kp_u__2
+#define __pyx_n_s__25 __pyx_mstate_global->__pyx_n_s__25
+#define __pyx_n_s__3 __pyx_mstate_global->__pyx_n_s__3
+#define __pyx_kp_u__6 __pyx_mstate_global->__pyx_kp_u__6
+#define __pyx_kp_u__7 __pyx_mstate_global->__pyx_kp_u__7
+#define __pyx_n_s_abc __pyx_mstate_global->__pyx_n_s_abc
+#define __pyx_n_s_allocate_buffer __pyx_mstate_global->__pyx_n_s_allocate_buffer
+#define __pyx_kp_u_and __pyx_mstate_global->__pyx_kp_u_and
+#define __pyx_n_s_any __pyx_mstate_global->__pyx_n_s_any
+#define __pyx_n_s_argmax __pyx_mstate_global->__pyx_n_s_argmax
+#define __pyx_n_s_asarray __pyx_mstate_global->__pyx_n_s_asarray
+#define __pyx_n_s_astype __pyx_mstate_global->__pyx_n_s_astype
+#define __pyx_n_s_asyncio_coroutines __pyx_mstate_global->__pyx_n_s_asyncio_coroutines
+#define __pyx_n_s_axis __pyx_mstate_global->__pyx_n_s_axis
+#define __pyx_n_s_base __pyx_mstate_global->__pyx_n_s_base
+#define __pyx_n_s_c __pyx_mstate_global->__pyx_n_s_c
+#define __pyx_n_u_c __pyx_mstate_global->__pyx_n_u_c
+#define __pyx_n_s_class __pyx_mstate_global->__pyx_n_s_class
+#define __pyx_n_s_class_getitem __pyx_mstate_global->__pyx_n_s_class_getitem
+#define __pyx_n_s_cline_in_traceback __pyx_mstate_global->__pyx_n_s_cline_in_traceback
+#define __pyx_n_s_collections __pyx_mstate_global->__pyx_n_s_collections
+#define __pyx_kp_s_collections_abc __pyx_mstate_global->__pyx_kp_s_collections_abc
+#define __pyx_kp_s_contiguous_and_direct __pyx_mstate_global->__pyx_kp_s_contiguous_and_direct
+#define __pyx_kp_s_contiguous_and_indirect __pyx_mstate_global->__pyx_kp_s_contiguous_and_indirect
+#define __pyx_n_s_count __pyx_mstate_global->__pyx_n_s_count
+#define __pyx_n_s_data __pyx_mstate_global->__pyx_n_s_data
+#define __pyx_n_s_dense __pyx_mstate_global->__pyx_n_s_dense
+#define __pyx_n_s_dict __pyx_mstate_global->__pyx_n_s_dict
+#define __pyx_kp_u_disable __pyx_mstate_global->__pyx_kp_u_disable
+#define __pyx_n_s_dtype __pyx_mstate_global->__pyx_n_s_dtype
+#define __pyx_n_s_dtype_is_object __pyx_mstate_global->__pyx_n_s_dtype_is_object
+#define __pyx_kp_u_enable __pyx_mstate_global->__pyx_kp_u_enable
+#define __pyx_n_s_encode __pyx_mstate_global->__pyx_n_s_encode
+#define __pyx_n_s_enumerate __pyx_mstate_global->__pyx_n_s_enumerate
+#define __pyx_n_s_error __pyx_mstate_global->__pyx_n_s_error
+#define __pyx_kp_s_fastXPCS_cython_dense_pyx __pyx_mstate_global->__pyx_kp_s_fastXPCS_cython_dense_pyx
+#define __pyx_n_s_flags __pyx_mstate_global->__pyx_n_s_flags
+#define __pyx_n_s_float32 __pyx_mstate_global->__pyx_n_s_float32
+#define __pyx_n_s_format __pyx_mstate_global->__pyx_n_s_format
+#define __pyx_n_s_fortran __pyx_mstate_global->__pyx_n_s_fortran
+#define __pyx_n_u_fortran __pyx_mstate_global->__pyx_n_u_fortran
+#define __pyx_kp_u_gc __pyx_mstate_global->__pyx_kp_u_gc
+#define __pyx_n_s_getstate __pyx_mstate_global->__pyx_n_s_getstate
+#define __pyx_kp_u_got __pyx_mstate_global->__pyx_kp_u_got
+#define __pyx_kp_u_got_differing_extents_in_dimensi __pyx_mstate_global->__pyx_kp_u_got_differing_extents_in_dimensi
+#define __pyx_n_s_id __pyx_mstate_global->__pyx_n_s_id
+#define __pyx_n_s_import __pyx_mstate_global->__pyx_n_s_import
+#define __pyx_n_s_index __pyx_mstate_global->__pyx_n_s_index
+#define __pyx_n_s_initializing __pyx_mstate_global->__pyx_n_s_initializing
+#define __pyx_n_s_int32 __pyx_mstate_global->__pyx_n_s_int32
+#define __pyx_n_s_int8 __pyx_mstate_global->__pyx_n_s_int8
+#define __pyx_n_s_is_coroutine __pyx_mstate_global->__pyx_n_s_is_coroutine
+#define __pyx_kp_u_isenabled __pyx_mstate_global->__pyx_kp_u_isenabled
+#define __pyx_n_s_itemsize __pyx_mstate_global->__pyx_n_s_itemsize
+#define __pyx_kp_s_itemsize_0_for_cython_array __pyx_mstate_global->__pyx_kp_s_itemsize_0_for_cython_array
+#define __pyx_n_s_main __pyx_mstate_global->__pyx_n_s_main
+#define __pyx_n_s_mask __pyx_mstate_global->__pyx_n_s_mask
+#define __pyx_n_s_memview __pyx_mstate_global->__pyx_n_s_memview
+#define __pyx_n_s_mode __pyx_mstate_global->__pyx_n_s_mode
+#define __pyx_n_s_name __pyx_mstate_global->__pyx_n_s_name
+#define __pyx_n_s_name_2 __pyx_mstate_global->__pyx_n_s_name_2
+#define __pyx_n_s_ndim __pyx_mstate_global->__pyx_n_s_ndim
+#define __pyx_n_s_new __pyx_mstate_global->__pyx_n_s_new
+#define __pyx_kp_s_no_default___reduce___due_to_non __pyx_mstate_global->__pyx_kp_s_no_default___reduce___due_to_non
+#define __pyx_n_s_np __pyx_mstate_global->__pyx_n_s_np
+#define __pyx_n_s_numpy __pyx_mstate_global->__pyx_n_s_numpy
+#define __pyx_n_s_obj __pyx_mstate_global->__pyx_n_s_obj
+#define __pyx_n_s_pack __pyx_mstate_global->__pyx_n_s_pack
+#define __pyx_n_s_pickle __pyx_mstate_global->__pyx_n_s_pickle
+#define __pyx_n_s_prevDat __pyx_mstate_global->__pyx_n_s_prevDat
+#define __pyx_n_s_pyx_PickleError __pyx_mstate_global->__pyx_n_s_pyx_PickleError
+#define __pyx_n_s_pyx_checksum __pyx_mstate_global->__pyx_n_s_pyx_checksum
+#define __pyx_n_s_pyx_result __pyx_mstate_global->__pyx_n_s_pyx_result
+#define __pyx_n_s_pyx_state __pyx_mstate_global->__pyx_n_s_pyx_state
+#define __pyx_n_s_pyx_type __pyx_mstate_global->__pyx_n_s_pyx_type
+#define __pyx_n_s_pyx_unpickle_Enum __pyx_mstate_global->__pyx_n_s_pyx_unpickle_Enum
+#define __pyx_n_s_pyx_vtable __pyx_mstate_global->__pyx_n_s_pyx_vtable
+#define __pyx_n_s_range __pyx_mstate_global->__pyx_n_s_range
+#define __pyx_n_s_ravel __pyx_mstate_global->__pyx_n_s_ravel
+#define __pyx_n_s_reduce __pyx_mstate_global->__pyx_n_s_reduce
+#define __pyx_n_s_reduce_cython __pyx_mstate_global->__pyx_n_s_reduce_cython
+#define __pyx_n_s_reduce_ex __pyx_mstate_global->__pyx_n_s_reduce_ex
+#define __pyx_n_s_register __pyx_mstate_global->__pyx_n_s_register
+#define __pyx_n_s_setstate __pyx_mstate_global->__pyx_n_s_setstate
+#define __pyx_n_s_setstate_cython __pyx_mstate_global->__pyx_n_s_setstate_cython
+#define __pyx_n_s_shape __pyx_mstate_global->__pyx_n_s_shape
+#define __pyx_n_s_size __pyx_mstate_global->__pyx_n_s_size
+#define __pyx_n_s_spec __pyx_mstate_global->__pyx_n_s_spec
+#define __pyx_n_s_start __pyx_mstate_global->__pyx_n_s_start
+#define __pyx_n_s_step __pyx_mstate_global->__pyx_n_s_step
+#define __pyx_n_s_stop __pyx_mstate_global->__pyx_n_s_stop
+#define __pyx_kp_s_strided_and_direct __pyx_mstate_global->__pyx_kp_s_strided_and_direct
+#define __pyx_kp_s_strided_and_direct_or_indirect __pyx_mstate_global->__pyx_kp_s_strided_and_direct_or_indirect
+#define __pyx_kp_s_strided_and_indirect __pyx_mstate_global->__pyx_kp_s_strided_and_indirect
+#define __pyx_kp_s_stringsource __pyx_mstate_global->__pyx_kp_s_stringsource
+#define __pyx_n_s_struct __pyx_mstate_global->__pyx_n_s_struct
+#define __pyx_n_s_sys __pyx_mstate_global->__pyx_n_s_sys
+#define __pyx_n_s_test __pyx_mstate_global->__pyx_n_s_test
+#define __pyx_n_s_ttcDense __pyx_mstate_global->__pyx_n_s_ttcDense
+#define __pyx_n_s_ttcDenseSymmNorm __pyx_mstate_global->__pyx_n_s_ttcDenseSymmNorm
+#define __pyx_n_s_ttcDense_int __pyx_mstate_global->__pyx_n_s_ttcDense_int
+#define __pyx_kp_s_unable_to_allocate_array_data __pyx_mstate_global->__pyx_kp_s_unable_to_allocate_array_data
+#define __pyx_kp_s_unable_to_allocate_shape_and_str __pyx_mstate_global->__pyx_kp_s_unable_to_allocate_shape_and_str
+#define __pyx_n_s_unpack __pyx_mstate_global->__pyx_n_s_unpack
+#define __pyx_n_s_update __pyx_mstate_global->__pyx_n_s_update
+#define __pyx_n_s_version_info __pyx_mstate_global->__pyx_n_s_version_info
+#define __pyx_n_s_zeros __pyx_mstate_global->__pyx_n_s_zeros
+#define __pyx_n_s_zeros_like __pyx_mstate_global->__pyx_n_s_zeros_like
+#define __pyx_int_0 __pyx_mstate_global->__pyx_int_0
+#define __pyx_int_1 __pyx_mstate_global->__pyx_int_1
+#define __pyx_int_3 __pyx_mstate_global->__pyx_int_3
+#define __pyx_int_112105877 __pyx_mstate_global->__pyx_int_112105877
+#define __pyx_int_136983863 __pyx_mstate_global->__pyx_int_136983863
+#define __pyx_int_184977713 __pyx_mstate_global->__pyx_int_184977713
+#define __pyx_int_neg_1 __pyx_mstate_global->__pyx_int_neg_1
+#define __pyx_slice__5 __pyx_mstate_global->__pyx_slice__5
+#define __pyx_tuple__4 __pyx_mstate_global->__pyx_tuple__4
+#define __pyx_tuple__8 __pyx_mstate_global->__pyx_tuple__8
+#define __pyx_tuple__9 __pyx_mstate_global->__pyx_tuple__9
+#define __pyx_tuple__10 __pyx_mstate_global->__pyx_tuple__10
+#define __pyx_tuple__11 __pyx_mstate_global->__pyx_tuple__11
+#define __pyx_tuple__12 __pyx_mstate_global->__pyx_tuple__12
+#define __pyx_tuple__13 __pyx_mstate_global->__pyx_tuple__13
+#define __pyx_tuple__14 __pyx_mstate_global->__pyx_tuple__14
+#define __pyx_tuple__15 __pyx_mstate_global->__pyx_tuple__15
+#define __pyx_tuple__16 __pyx_mstate_global->__pyx_tuple__16
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- *         if type(self) is memoryview or obj is not None:
- *             __Pyx_GetBuffer(obj, &self.view, flags)
- *             if <PyObject *> self.view.obj == NULL:             # <<<<<<<<<<<<<<
- *                 (<__pyx_buffer *> &self.view).obj = Py_None
- *                 Py_INCREF(Py_None)
- */
-    __pyx_t_1 = ((((PyObject *)__pyx_v_self->view.obj) == NULL) != 0);
-    if (__pyx_t_1) {
+  __pyx_v_tmp = NULL;
 
-      /* "View.MemoryView":351
- *             __Pyx_GetBuffer(obj, &self.view, flags)
- *             if <PyObject *> self.view.obj == NULL:
- *                 (<__pyx_buffer *> &self.view).obj = Py_None             # <<<<<<<<<<<<<<
- *                 Py_INCREF(Py_None)
+  /* "View.MemoryView":460
+ *         cdef __Pyx_memviewslice *dst_slice
+ *         cdef __Pyx_memviewslice tmp_slice
+ *         dst_slice = get_slice_from_memview(dst, &tmp_slice)             # <<<<<<<<<<<<<<
  * 
+ *         if <size_t>self.view.itemsize > sizeof(array):
  */
-      ((Py_buffer *)(&__pyx_v_self->view))->obj = Py_None;
+  __pyx_t_1 = __pyx_memoryview_get_slice_from_memoryview(__pyx_v_dst, (&__pyx_v_tmp_slice)); if (unlikely(__pyx_t_1 == ((__Pyx_memviewslice *)NULL))) __PYX_ERR(1, 460, __pyx_L1_error)
+  __pyx_v_dst_slice = __pyx_t_1;
 
-      /* "View.MemoryView":352
- *             if <PyObject *> self.view.obj == NULL:
- *                 (<__pyx_buffer *> &self.view).obj = Py_None
- *                 Py_INCREF(Py_None)             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":462
+ *         dst_slice = get_slice_from_memview(dst, &tmp_slice)
  * 
- *         global __pyx_memoryview_thread_locks_used
+ *         if <size_t>self.view.itemsize > sizeof(array):             # <<<<<<<<<<<<<<
+ *             tmp = PyMem_Malloc(self.view.itemsize)
+ *             if tmp == NULL:
  */
-      Py_INCREF(Py_None);
+  __pyx_t_2 = (((size_t)__pyx_v_self->view.itemsize) > (sizeof(__pyx_v_array)));
+  if (__pyx_t_2) {
 
-      /* "View.MemoryView":350
- *         if type(self) is memoryview or obj is not None:
- *             __Pyx_GetBuffer(obj, &self.view, flags)
- *             if <PyObject *> self.view.obj == NULL:             # <<<<<<<<<<<<<<
- *                 (<__pyx_buffer *> &self.view).obj = Py_None
- *                 Py_INCREF(Py_None)
+    /* "View.MemoryView":463
+ * 
+ *         if <size_t>self.view.itemsize > sizeof(array):
+ *             tmp = PyMem_Malloc(self.view.itemsize)             # <<<<<<<<<<<<<<
+ *             if tmp == NULL:
+ *                 raise MemoryError
  */
-    }
+    __pyx_v_tmp = PyMem_Malloc(__pyx_v_self->view.itemsize);
 
-    /* "View.MemoryView":348
- *         self.obj = obj
- *         self.flags = flags
- *         if type(self) is memoryview or obj is not None:             # <<<<<<<<<<<<<<
- *             __Pyx_GetBuffer(obj, &self.view, flags)
- *             if <PyObject *> self.view.obj == NULL:
+    /* "View.MemoryView":464
+ *         if <size_t>self.view.itemsize > sizeof(array):
+ *             tmp = PyMem_Malloc(self.view.itemsize)
+ *             if tmp == NULL:             # <<<<<<<<<<<<<<
+ *                 raise MemoryError
+ *             item = tmp
  */
-  }
+    __pyx_t_2 = (__pyx_v_tmp == NULL);
+    if (unlikely(__pyx_t_2)) {
 
-  /* "View.MemoryView":355
- * 
- *         global __pyx_memoryview_thread_locks_used
- *         if __pyx_memoryview_thread_locks_used < THREAD_LOCKS_PREALLOCATED:             # <<<<<<<<<<<<<<
- *             self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
- *             __pyx_memoryview_thread_locks_used += 1
+      /* "View.MemoryView":465
+ *             tmp = PyMem_Malloc(self.view.itemsize)
+ *             if tmp == NULL:
+ *                 raise MemoryError             # <<<<<<<<<<<<<<
+ *             item = tmp
+ *         else:
  */
-  __pyx_t_1 = ((__pyx_memoryview_thread_locks_used < 8) != 0);
-  if (__pyx_t_1) {
+      PyErr_NoMemory(); __PYX_ERR(1, 465, __pyx_L1_error)
 
-    /* "View.MemoryView":356
- *         global __pyx_memoryview_thread_locks_used
- *         if __pyx_memoryview_thread_locks_used < THREAD_LOCKS_PREALLOCATED:
- *             self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]             # <<<<<<<<<<<<<<
- *             __pyx_memoryview_thread_locks_used += 1
- *         if self.lock is NULL:
+      /* "View.MemoryView":464
+ *         if <size_t>self.view.itemsize > sizeof(array):
+ *             tmp = PyMem_Malloc(self.view.itemsize)
+ *             if tmp == NULL:             # <<<<<<<<<<<<<<
+ *                 raise MemoryError
+ *             item = tmp
  */
-    __pyx_v_self->lock = (__pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]);
+    }
 
-    /* "View.MemoryView":357
- *         if __pyx_memoryview_thread_locks_used < THREAD_LOCKS_PREALLOCATED:
- *             self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
- *             __pyx_memoryview_thread_locks_used += 1             # <<<<<<<<<<<<<<
- *         if self.lock is NULL:
- *             self.lock = PyThread_allocate_lock()
+    /* "View.MemoryView":466
+ *             if tmp == NULL:
+ *                 raise MemoryError
+ *             item = tmp             # <<<<<<<<<<<<<<
+ *         else:
+ *             item = <void *> array
  */
-    __pyx_memoryview_thread_locks_used = (__pyx_memoryview_thread_locks_used + 1);
+    __pyx_v_item = __pyx_v_tmp;
 
-    /* "View.MemoryView":355
+    /* "View.MemoryView":462
+ *         dst_slice = get_slice_from_memview(dst, &tmp_slice)
  * 
- *         global __pyx_memoryview_thread_locks_used
- *         if __pyx_memoryview_thread_locks_used < THREAD_LOCKS_PREALLOCATED:             # <<<<<<<<<<<<<<
- *             self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
- *             __pyx_memoryview_thread_locks_used += 1
+ *         if <size_t>self.view.itemsize > sizeof(array):             # <<<<<<<<<<<<<<
+ *             tmp = PyMem_Malloc(self.view.itemsize)
+ *             if tmp == NULL:
  */
+    goto __pyx_L3;
   }
 
-  /* "View.MemoryView":358
- *             self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
- *             __pyx_memoryview_thread_locks_used += 1
- *         if self.lock is NULL:             # <<<<<<<<<<<<<<
- *             self.lock = PyThread_allocate_lock()
- *             if self.lock is NULL:
- */
-  __pyx_t_1 = ((__pyx_v_self->lock == NULL) != 0);
-  if (__pyx_t_1) {
-
-    /* "View.MemoryView":359
- *             __pyx_memoryview_thread_locks_used += 1
- *         if self.lock is NULL:
- *             self.lock = PyThread_allocate_lock()             # <<<<<<<<<<<<<<
- *             if self.lock is NULL:
- *                 raise MemoryError
- */
-    __pyx_v_self->lock = PyThread_allocate_lock();
-
-    /* "View.MemoryView":360
- *         if self.lock is NULL:
- *             self.lock = PyThread_allocate_lock()
- *             if self.lock is NULL:             # <<<<<<<<<<<<<<
- *                 raise MemoryError
+  /* "View.MemoryView":468
+ *             item = tmp
+ *         else:
+ *             item = <void *> array             # <<<<<<<<<<<<<<
  * 
+ *         try:
  */
-    __pyx_t_1 = ((__pyx_v_self->lock == NULL) != 0);
-    if (unlikely(__pyx_t_1)) {
+  /*else*/ {
+    __pyx_v_item = ((void *)__pyx_v_array);
+  }
+  __pyx_L3:;
 
-      /* "View.MemoryView":361
- *             self.lock = PyThread_allocate_lock()
- *             if self.lock is NULL:
- *                 raise MemoryError             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":470
+ *             item = <void *> array
  * 
- *         if flags & PyBUF_FORMAT:
+ *         try:             # <<<<<<<<<<<<<<
+ *             if self.dtype_is_object:
+ *                 (<PyObject **> item)[0] = <PyObject *> value
  */
-      PyErr_NoMemory(); __PYX_ERR(1, 361, __pyx_L1_error)
+  /*try:*/ {
 
-      /* "View.MemoryView":360
- *         if self.lock is NULL:
- *             self.lock = PyThread_allocate_lock()
- *             if self.lock is NULL:             # <<<<<<<<<<<<<<
- *                 raise MemoryError
+    /* "View.MemoryView":471
  * 
+ *         try:
+ *             if self.dtype_is_object:             # <<<<<<<<<<<<<<
+ *                 (<PyObject **> item)[0] = <PyObject *> value
+ *             else:
  */
-    }
+    if (__pyx_v_self->dtype_is_object) {
 
-    /* "View.MemoryView":358
- *             self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
- *             __pyx_memoryview_thread_locks_used += 1
- *         if self.lock is NULL:             # <<<<<<<<<<<<<<
- *             self.lock = PyThread_allocate_lock()
- *             if self.lock is NULL:
+      /* "View.MemoryView":472
+ *         try:
+ *             if self.dtype_is_object:
+ *                 (<PyObject **> item)[0] = <PyObject *> value             # <<<<<<<<<<<<<<
+ *             else:
+ *                 self.assign_item_from_object(<char *> item, value)
  */
-  }
+      (((PyObject **)__pyx_v_item)[0]) = ((PyObject *)__pyx_v_value);
 
-  /* "View.MemoryView":363
- *                 raise MemoryError
+      /* "View.MemoryView":471
  * 
- *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
- *             self.dtype_is_object = (self.view.format[0] == b'O' and self.view.format[1] == b'\0')
- *         else:
+ *         try:
+ *             if self.dtype_is_object:             # <<<<<<<<<<<<<<
+ *                 (<PyObject **> item)[0] = <PyObject *> value
+ *             else:
  */
-  __pyx_t_1 = ((__pyx_v_flags & PyBUF_FORMAT) != 0);
-  if (__pyx_t_1) {
+      goto __pyx_L8;
+    }
 
-    /* "View.MemoryView":364
+    /* "View.MemoryView":474
+ *                 (<PyObject **> item)[0] = <PyObject *> value
+ *             else:
+ *                 self.assign_item_from_object(<char *> item, value)             # <<<<<<<<<<<<<<
+ * 
  * 
- *         if flags & PyBUF_FORMAT:
- *             self.dtype_is_object = (self.view.format[0] == b'O' and self.view.format[1] == b'\0')             # <<<<<<<<<<<<<<
- *         else:
- *             self.dtype_is_object = dtype_is_object
  */
-    __pyx_t_2 = (((__pyx_v_self->view.format[0]) == 'O') != 0);
-    if (__pyx_t_2) {
-    } else {
-      __pyx_t_1 = __pyx_t_2;
-      goto __pyx_L11_bool_binop_done;
+    /*else*/ {
+      __pyx_t_3 = ((struct __pyx_vtabstruct_memoryview *)__pyx_v_self->__pyx_vtab)->assign_item_from_object(__pyx_v_self, ((char *)__pyx_v_item), __pyx_v_value); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 474, __pyx_L6_error)
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
     }
-    __pyx_t_2 = (((__pyx_v_self->view.format[1]) == '\x00') != 0);
-    __pyx_t_1 = __pyx_t_2;
-    __pyx_L11_bool_binop_done:;
-    __pyx_v_self->dtype_is_object = __pyx_t_1;
+    __pyx_L8:;
 
-    /* "View.MemoryView":363
- *                 raise MemoryError
+    /* "View.MemoryView":478
  * 
- *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
- *             self.dtype_is_object = (self.view.format[0] == b'O' and self.view.format[1] == b'\0')
- *         else:
- */
-    goto __pyx_L10;
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-
-  /* "View.MemoryView":366
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- *         else:
- *             self.dtype_is_object = dtype_is_object             # <<<<<<<<<<<<<<
  * 
- *         self.acquisition_count_aligned_p = <__pyx_atomic_int *> align_pointer(
+ *             if self.view.suboffsets != NULL:             # <<<<<<<<<<<<<<
+ *                 assert_direct_dimensions(self.view.suboffsets, self.view.ndim)
+ *             slice_assign_scalar(dst_slice, dst.view.ndim, self.view.itemsize,
  */
-  /*else*/ {
-    __pyx_v_self->dtype_is_object = __pyx_v_dtype_is_object;
-  }
-  __pyx_L10:;
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-  /* "View.MemoryView":368
- *             self.dtype_is_object = dtype_is_object
+      /* "View.MemoryView":479
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- *         self.acquisition_count_aligned_p = <__pyx_atomic_int *> align_pointer(             # <<<<<<<<<<<<<<
- *                   <void *> &self.acquisition_count[0], sizeof(__pyx_atomic_int))
- *         self.typeinfo = NULL
+ *             if self.view.suboffsets != NULL:
+ *                 assert_direct_dimensions(self.view.suboffsets, self.view.ndim)             # <<<<<<<<<<<<<<
+ *             slice_assign_scalar(dst_slice, dst.view.ndim, self.view.itemsize,
+ *                                 item, self.dtype_is_object)
  */
-  __pyx_v_self->acquisition_count_aligned_p = ((__pyx_atomic_int *)__pyx_align_pointer(((void *)(&(__pyx_v_self->acquisition_count[0]))), (sizeof(__pyx_atomic_int))));
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- *         self.obj = obj
- *         self.flags = flags
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+ *                 assert_direct_dimensions(self.view.suboffsets, self.view.ndim)
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  */
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- *         if self.obj is not None:
- *             __Pyx_ReleaseBuffer(&self.view)
+    /* "View.MemoryView":480
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+ *                 assert_direct_dimensions(self.view.suboffsets, self.view.ndim)
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  */
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+ *     cdef setitem_indexed(self, index, value):
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   /* function exit code */
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-    if (!(likely(((((PyObject *)__pyx_v_memview)) == Py_None) || likely(__Pyx_TypeTest(((PyObject *)__pyx_v_memview), __pyx_memoryviewslice_type))))) __PYX_ERR(1, 725, __pyx_L1_error)
-    __pyx_t_3 = ((PyObject *)__pyx_v_memview);
-    __Pyx_INCREF(__pyx_t_3);
-    __pyx_v_memviewsliceobj = ((struct __pyx_memoryviewslice_obj *)__pyx_t_3);
-    __pyx_t_3 = 0;
-
-    /* "View.MemoryView":726
- *     if isinstance(memview, _memoryviewslice):
- *         memviewsliceobj = memview
- *         p_src = &memviewsliceobj.from_slice             # <<<<<<<<<<<<<<
- *     else:
- *         slice_copy(memview, &src)
- */
-    __pyx_v_p_src = (&__pyx_v_memviewsliceobj->from_slice);
-
-    /* "View.MemoryView":724
- *     assert memview.view.ndim > 0
  * 
- *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
- *         memviewsliceobj = memview
- *         p_src = &memviewsliceobj.from_slice
  */
-    goto __pyx_L3;
-  }
+      __pyx_v_new_shape = 0;
 
-  /* "View.MemoryView":728
- *         p_src = &memviewsliceobj.from_slice
- *     else:
- *         slice_copy(memview, &src)             # <<<<<<<<<<<<<<
- *         p_src = &src
+      /* "View.MemoryView":866
+ *                 new_shape += 1
+ * 
+ *         if new_shape < 0:             # <<<<<<<<<<<<<<
+ *             new_shape = 0
  * 
  */
-  /*else*/ {
-    __pyx_memoryview_slice_copy(__pyx_v_memview, (&__pyx_v_src));
+    }
 
-    /* "View.MemoryView":729
- *     else:
- *         slice_copy(memview, &src)
- *         p_src = &src             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":870
  * 
  * 
+ *         dst.strides[new_ndim] = stride * step             # <<<<<<<<<<<<<<
+ *         dst.shape[new_ndim] = new_shape
+ *         dst.suboffsets[new_ndim] = suboffset
  */
-    __pyx_v_p_src = (&__pyx_v_src);
-  }
-  __pyx_L3:;
+    (__pyx_v_dst->strides[__pyx_v_new_ndim]) = (__pyx_v_stride * __pyx_v_step);
 
-  /* "View.MemoryView":735
- * 
+    /* "View.MemoryView":871
  * 
- *     dst.memview = p_src.memview             # <<<<<<<<<<<<<<
- *     dst.data = p_src.data
+ *         dst.strides[new_ndim] = stride * step
+ *         dst.shape[new_ndim] = new_shape             # <<<<<<<<<<<<<<
+ *         dst.suboffsets[new_ndim] = suboffset
  * 
  */
-  __pyx_t_4 = __pyx_v_p_src->memview;
-  __pyx_v_dst.memview = __pyx_t_4;
+    (__pyx_v_dst->shape[__pyx_v_new_ndim]) = __pyx_v_new_shape;
 
-  /* "View.MemoryView":736
- * 
- *     dst.memview = p_src.memview
- *     dst.data = p_src.data             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":872
+ *         dst.strides[new_ndim] = stride * step
+ *         dst.shape[new_ndim] = new_shape
+ *         dst.suboffsets[new_ndim] = suboffset             # <<<<<<<<<<<<<<
  * 
  * 
  */
-  __pyx_t_5 = __pyx_v_p_src->data;
-  __pyx_v_dst.data = __pyx_t_5;
+    (__pyx_v_dst->suboffsets[__pyx_v_new_ndim]) = __pyx_v_suboffset;
+  }
+  __pyx_L3:;
 
-  /* "View.MemoryView":741
+  /* "View.MemoryView":875
  * 
  * 
- *     cdef __Pyx_memviewslice *p_dst = &dst             # <<<<<<<<<<<<<<
- *     cdef int *p_suboffset_dim = &suboffset_dim
- *     cdef Py_ssize_t start, stop, step
+ *     if suboffset_dim[0] < 0:             # <<<<<<<<<<<<<<
+ *         dst.data += start * stride
+ *     else:
  */
-  __pyx_v_p_dst = (&__pyx_v_dst);
+  __pyx_t_2 = ((__pyx_v_suboffset_dim[0]) < 0);
+  if (__pyx_t_2) {
 
-  /* "View.MemoryView":742
+    /* "View.MemoryView":876
  * 
- *     cdef __Pyx_memviewslice *p_dst = &dst
- *     cdef int *p_suboffset_dim = &suboffset_dim             # <<<<<<<<<<<<<<
- *     cdef Py_ssize_t start, stop, step
- *     cdef bint have_start, have_stop, have_step
+ *     if suboffset_dim[0] < 0:
+ *         dst.data += start * stride             # <<<<<<<<<<<<<<
+ *     else:
+ *         dst.suboffsets[suboffset_dim[0]] += start * stride
  */
-  __pyx_v_p_suboffset_dim = (&__pyx_v_suboffset_dim);
+    __pyx_v_dst->data = (__pyx_v_dst->data + (__pyx_v_start * __pyx_v_stride));
 
-  /* "View.MemoryView":746
- *     cdef bint have_start, have_stop, have_step
+    /* "View.MemoryView":875
  * 
- *     for dim, index in enumerate(indices):             # <<<<<<<<<<<<<<
- *         if PyIndex_Check(index):
- *             slice_memviewslice(
+ * 
+ *     if suboffset_dim[0] < 0:             # <<<<<<<<<<<<<<
+ *         dst.data += start * stride
+ *     else:
  */
-  __pyx_t_6 = 0;
-  if (likely(PyList_CheckExact(__pyx_v_indices)) || PyTuple_CheckExact(__pyx_v_indices)) {
-    __pyx_t_3 = __pyx_v_indices; __Pyx_INCREF(__pyx_t_3); __pyx_t_7 = 0;
-    __pyx_t_8 = NULL;
-  } else {
-    __pyx_t_7 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_v_indices); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 746, __pyx_L1_error)
-    __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_8 = Py_TYPE(__pyx_t_3)->tp_iternext; if (unlikely(!__pyx_t_8)) __PYX_ERR(1, 746, __pyx_L1_error)
+    goto __pyx_L19;
   }
-  for (;;) {
-    if (likely(!__pyx_t_8)) {
-      if (likely(PyList_CheckExact(__pyx_t_3))) {
-        if (__pyx_t_7 >= PyList_GET_SIZE(__pyx_t_3)) break;
-        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-        __pyx_t_9 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_7); __Pyx_INCREF(__pyx_t_9); __pyx_t_7++; if (unlikely(0 < 0)) __PYX_ERR(1, 746, __pyx_L1_error)
-        #else
-        __pyx_t_9 = PySequence_ITEM(__pyx_t_3, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 746, __pyx_L1_error)
-        __Pyx_GOTREF(__pyx_t_9);
-        #endif
-      } else {
-        if (__pyx_t_7 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
-        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-        __pyx_t_9 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_7); __Pyx_INCREF(__pyx_t_9); __pyx_t_7++; if (unlikely(0 < 0)) __PYX_ERR(1, 746, __pyx_L1_error)
-        #else
-        __pyx_t_9 = PySequence_ITEM(__pyx_t_3, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 746, __pyx_L1_error)
-        __Pyx_GOTREF(__pyx_t_9);
-        #endif
-      }
-    } else {
-      __pyx_t_9 = __pyx_t_8(__pyx_t_3);
-      if (unlikely(!__pyx_t_9)) {
-        PyObject* exc_type = PyErr_Occurred();
-        if (exc_type) {
-          if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
-          else __PYX_ERR(1, 746, __pyx_L1_error)
-        }
-        break;
-      }
-      __Pyx_GOTREF(__pyx_t_9);
-    }
-    __Pyx_XDECREF_SET(__pyx_v_index, __pyx_t_9);
-    __pyx_t_9 = 0;
-    __pyx_v_dim = __pyx_t_6;
-    __pyx_t_6 = (__pyx_t_6 + 1);
 
-    /* "View.MemoryView":747
+  /* "View.MemoryView":878
+ *         dst.data += start * stride
+ *     else:
+ *         dst.suboffsets[suboffset_dim[0]] += start * stride             # <<<<<<<<<<<<<<
  * 
- *     for dim, index in enumerate(indices):
- *         if PyIndex_Check(index):             # <<<<<<<<<<<<<<
- *             slice_memviewslice(
- *                 p_dst, p_src.shape[dim], p_src.strides[dim], p_src.suboffsets[dim],
- */
-    __pyx_t_2 = (PyIndex_Check(__pyx_v_index) != 0);
-    if (__pyx_t_2) {
-
-      /* "View.MemoryView":751
- *                 p_dst, p_src.shape[dim], p_src.strides[dim], p_src.suboffsets[dim],
- *                 dim, new_ndim, p_suboffset_dim,
- *                 index, 0, 0, # start, stop, step             # <<<<<<<<<<<<<<
- *                 0, 0, 0, # have_{start,stop,step}
- *                 False)
+ *     if suboffset >= 0:
  */
-      __pyx_t_10 = __Pyx_PyIndex_AsSsize_t(__pyx_v_index); if (unlikely((__pyx_t_10 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(1, 751, __pyx_L1_error)
+  /*else*/ {
+    __pyx_t_3 = (__pyx_v_suboffset_dim[0]);
+    (__pyx_v_dst->suboffsets[__pyx_t_3]) = ((__pyx_v_dst->suboffsets[__pyx_t_3]) + (__pyx_v_start * __pyx_v_stride));
+  }
+  __pyx_L19:;
 
-      /* "View.MemoryView":748
- *     for dim, index in enumerate(indices):
- *         if PyIndex_Check(index):
- *             slice_memviewslice(             # <<<<<<<<<<<<<<
- *                 p_dst, p_src.shape[dim], p_src.strides[dim], p_src.suboffsets[dim],
- *                 dim, new_ndim, p_suboffset_dim,
+  /* "View.MemoryView":880
+ *         dst.suboffsets[suboffset_dim[0]] += start * stride
+ * 
+ *     if suboffset >= 0:             # <<<<<<<<<<<<<<
+ *         if not is_slice:
+ *             if new_ndim == 0:
  */
-      __pyx_t_11 = __pyx_memoryview_slice_memviewslice(__pyx_v_p_dst, (__pyx_v_p_src->shape[__pyx_v_dim]), (__pyx_v_p_src->strides[__pyx_v_dim]), (__pyx_v_p_src->suboffsets[__pyx_v_dim]), __pyx_v_dim, __pyx_v_new_ndim, __pyx_v_p_suboffset_dim, __pyx_t_10, 0, 0, 0, 0, 0, 0); if (unlikely(__pyx_t_11 == ((int)-1))) __PYX_ERR(1, 748, __pyx_L1_error)
+  __pyx_t_2 = (__pyx_v_suboffset >= 0);
+  if (__pyx_t_2) {
 
-      /* "View.MemoryView":747
+    /* "View.MemoryView":881
  * 
- *     for dim, index in enumerate(indices):
- *         if PyIndex_Check(index):             # <<<<<<<<<<<<<<
- *             slice_memviewslice(
- *                 p_dst, p_src.shape[dim], p_src.strides[dim], p_src.suboffsets[dim],
+ *     if suboffset >= 0:
+ *         if not is_slice:             # <<<<<<<<<<<<<<
+ *             if new_ndim == 0:
+ *                 dst.data = (<char **> dst.data)[0] + suboffset
  */
-      goto __pyx_L6;
-    }
+    __pyx_t_2 = (!__pyx_v_is_slice);
+    if (__pyx_t_2) {
 
-    /* "View.MemoryView":754
- *                 0, 0, 0, # have_{start,stop,step}
- *                 False)
- *         elif index is None:             # <<<<<<<<<<<<<<
- *             p_dst.shape[new_ndim] = 1
- *             p_dst.strides[new_ndim] = 0
+      /* "View.MemoryView":882
+ *     if suboffset >= 0:
+ *         if not is_slice:
+ *             if new_ndim == 0:             # <<<<<<<<<<<<<<
+ *                 dst.data = (<char **> dst.data)[0] + suboffset
+ *             else:
  */
-    __pyx_t_2 = (__pyx_v_index == Py_None);
-    __pyx_t_1 = (__pyx_t_2 != 0);
-    if (__pyx_t_1) {
+      __pyx_t_2 = (__pyx_v_new_ndim == 0);
+      if (__pyx_t_2) {
 
-      /* "View.MemoryView":755
- *                 False)
- *         elif index is None:
- *             p_dst.shape[new_ndim] = 1             # <<<<<<<<<<<<<<
- *             p_dst.strides[new_ndim] = 0
- *             p_dst.suboffsets[new_ndim] = -1
+        /* "View.MemoryView":883
+ *         if not is_slice:
+ *             if new_ndim == 0:
+ *                 dst.data = (<char **> dst.data)[0] + suboffset             # <<<<<<<<<<<<<<
+ *             else:
+ *                 _err_dim(PyExc_IndexError, "All dimensions preceding dimension %d "
  */
-      (__pyx_v_p_dst->shape[__pyx_v_new_ndim]) = 1;
+        __pyx_v_dst->data = ((((char **)__pyx_v_dst->data)[0]) + __pyx_v_suboffset);
 
-      /* "View.MemoryView":756
- *         elif index is None:
- *             p_dst.shape[new_ndim] = 1
- *             p_dst.strides[new_ndim] = 0             # <<<<<<<<<<<<<<
- *             p_dst.suboffsets[new_ndim] = -1
- *             new_ndim += 1
+        /* "View.MemoryView":882
+ *     if suboffset >= 0:
+ *         if not is_slice:
+ *             if new_ndim == 0:             # <<<<<<<<<<<<<<
+ *                 dst.data = (<char **> dst.data)[0] + suboffset
+ *             else:
  */
-      (__pyx_v_p_dst->strides[__pyx_v_new_ndim]) = 0;
+        goto __pyx_L22;
+      }
 
-      /* "View.MemoryView":757
- *             p_dst.shape[new_ndim] = 1
- *             p_dst.strides[new_ndim] = 0
- *             p_dst.suboffsets[new_ndim] = -1             # <<<<<<<<<<<<<<
- *             new_ndim += 1
+      /* "View.MemoryView":885
+ *                 dst.data = (<char **> dst.data)[0] + suboffset
+ *             else:
+ *                 _err_dim(PyExc_IndexError, "All dimensions preceding dimension %d "             # <<<<<<<<<<<<<<
+ *                                      "must be indexed and not sliced", dim)
  *         else:
  */
-      (__pyx_v_p_dst->suboffsets[__pyx_v_new_ndim]) = -1L;
+      /*else*/ {
 
-      /* "View.MemoryView":758
- *             p_dst.strides[new_ndim] = 0
- *             p_dst.suboffsets[new_ndim] = -1
- *             new_ndim += 1             # <<<<<<<<<<<<<<
+        /* "View.MemoryView":886
+ *             else:
+ *                 _err_dim(PyExc_IndexError, "All dimensions preceding dimension %d "
+ *                                      "must be indexed and not sliced", dim)             # <<<<<<<<<<<<<<
  *         else:
- *             start = index.start or 0
+ *             suboffset_dim[0] = new_ndim
  */
-      __pyx_v_new_ndim = (__pyx_v_new_ndim + 1);
+        __pyx_t_3 = __pyx_memoryview_err_dim(PyExc_IndexError, __pyx_kp_s_All_dimensions_preceding_dimensi, __pyx_v_dim); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 885, __pyx_L1_error)
+      }
+      __pyx_L22:;
 
-      /* "View.MemoryView":754
- *                 0, 0, 0, # have_{start,stop,step}
- *                 False)
- *         elif index is None:             # <<<<<<<<<<<<<<
- *             p_dst.shape[new_ndim] = 1
- *             p_dst.strides[new_ndim] = 0
+      /* "View.MemoryView":881
+ * 
+ *     if suboffset >= 0:
+ *         if not is_slice:             # <<<<<<<<<<<<<<
+ *             if new_ndim == 0:
+ *                 dst.data = (<char **> dst.data)[0] + suboffset
  */
-      goto __pyx_L6;
+      goto __pyx_L21;
     }
 
-    /* "View.MemoryView":760
- *             new_ndim += 1
+    /* "View.MemoryView":888
+ *                                      "must be indexed and not sliced", dim)
  *         else:
- *             start = index.start or 0             # <<<<<<<<<<<<<<
- *             stop = index.stop or 0
- *             step = index.step or 0
+ *             suboffset_dim[0] = new_ndim             # <<<<<<<<<<<<<<
+ * 
+ *     return 0
  */
     /*else*/ {
-      __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_v_index, __pyx_n_s_start); if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 760, __pyx_L1_error)
-      __Pyx_GOTREF(__pyx_t_9);
-      __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_9); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(1, 760, __pyx_L1_error)
-      if (!__pyx_t_1) {
-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-      } else {
-        __pyx_t_12 = __Pyx_PyIndex_AsSsize_t(__pyx_t_9); if (unlikely((__pyx_t_12 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(1, 760, __pyx_L1_error)
-        __pyx_t_10 = __pyx_t_12;
-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-        goto __pyx_L7_bool_binop_done;
-      }
-      __pyx_t_10 = 0;
-      __pyx_L7_bool_binop_done:;
-      __pyx_v_start = __pyx_t_10;
+      (__pyx_v_suboffset_dim[0]) = __pyx_v_new_ndim;
+    }
+    __pyx_L21:;
 
-      /* "View.MemoryView":761
- *         else:
- *             start = index.start or 0
- *             stop = index.stop or 0             # <<<<<<<<<<<<<<
- *             step = index.step or 0
+    /* "View.MemoryView":880
+ *         dst.suboffsets[suboffset_dim[0]] += start * stride
  * 
+ *     if suboffset >= 0:             # <<<<<<<<<<<<<<
+ *         if not is_slice:
+ *             if new_ndim == 0:
  */
-      __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_v_index, __pyx_n_s_stop); if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 761, __pyx_L1_error)
-      __Pyx_GOTREF(__pyx_t_9);
-      __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_9); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(1, 761, __pyx_L1_error)
-      if (!__pyx_t_1) {
-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-      } else {
-        __pyx_t_12 = __Pyx_PyIndex_AsSsize_t(__pyx_t_9); if (unlikely((__pyx_t_12 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(1, 761, __pyx_L1_error)
-        __pyx_t_10 = __pyx_t_12;
-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-        goto __pyx_L9_bool_binop_done;
-      }
-      __pyx_t_10 = 0;
-      __pyx_L9_bool_binop_done:;
-      __pyx_v_stop = __pyx_t_10;
+  }
 
-      /* "View.MemoryView":762
- *             start = index.start or 0
- *             stop = index.stop or 0
- *             step = index.step or 0             # <<<<<<<<<<<<<<
- * 
- *             have_start = index.start is not None
- */
-      __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_v_index, __pyx_n_s_step); if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 762, __pyx_L1_error)
-      __Pyx_GOTREF(__pyx_t_9);
-      __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_9); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(1, 762, __pyx_L1_error)
-      if (!__pyx_t_1) {
-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-      } else {
-        __pyx_t_12 = __Pyx_PyIndex_AsSsize_t(__pyx_t_9); if (unlikely((__pyx_t_12 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(1, 762, __pyx_L1_error)
-        __pyx_t_10 = __pyx_t_12;
-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-        goto __pyx_L11_bool_binop_done;
-      }
-      __pyx_t_10 = 0;
-      __pyx_L11_bool_binop_done:;
-      __pyx_v_step = __pyx_t_10;
-
-      /* "View.MemoryView":764
- *             step = index.step or 0
+  /* "View.MemoryView":890
+ *             suboffset_dim[0] = new_ndim
  * 
- *             have_start = index.start is not None             # <<<<<<<<<<<<<<
- *             have_stop = index.stop is not None
- *             have_step = index.step is not None
- */
-      __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_v_index, __pyx_n_s_start); if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 764, __pyx_L1_error)
-      __Pyx_GOTREF(__pyx_t_9);
-      __pyx_t_1 = (__pyx_t_9 != Py_None);
-      __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-      __pyx_v_have_start = __pyx_t_1;
-
-      /* "View.MemoryView":765
+ *     return 0             # <<<<<<<<<<<<<<
  * 
- *             have_start = index.start is not None
- *             have_stop = index.stop is not None             # <<<<<<<<<<<<<<
- *             have_step = index.step is not None
  * 
  */
-      __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_v_index, __pyx_n_s_stop); if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 765, __pyx_L1_error)
-      __Pyx_GOTREF(__pyx_t_9);
-      __pyx_t_1 = (__pyx_t_9 != Py_None);
-      __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-      __pyx_v_have_stop = __pyx_t_1;
+  __pyx_r = 0;
+  goto __pyx_L0;
 
-      /* "View.MemoryView":766
- *             have_start = index.start is not None
- *             have_stop = index.stop is not None
- *             have_step = index.step is not None             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":793
  * 
- *             slice_memviewslice(
+ * @cname('__pyx_memoryview_slice_memviewslice')
+ * cdef int slice_memviewslice(             # <<<<<<<<<<<<<<
+ *         __Pyx_memviewslice *dst,
+ *         Py_ssize_t shape, Py_ssize_t stride, Py_ssize_t suboffset,
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-      __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_v_index, __pyx_n_s_step); if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 766, __pyx_L1_error)
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-      /* "View.MemoryView":768
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+  #endif
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- *             slice_memviewslice(             # <<<<<<<<<<<<<<
- *                 p_dst, p_src.shape[dim], p_src.strides[dim], p_src.suboffsets[dim],
- *                 dim, new_ndim, p_suboffset_dim,
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+ * cdef char *pybuffer_index(Py_buffer *view, char *bufp, Py_ssize_t index,             # <<<<<<<<<<<<<<
+ *                           Py_ssize_t dim) except NULL:
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-      __pyx_t_11 = __pyx_memoryview_slice_memviewslice(__pyx_v_p_dst, (__pyx_v_p_src->shape[__pyx_v_dim]), (__pyx_v_p_src->strides[__pyx_v_dim]), (__pyx_v_p_src->suboffsets[__pyx_v_dim]), __pyx_v_dim, __pyx_v_new_ndim, __pyx_v_p_suboffset_dim, __pyx_v_start, __pyx_v_stop, __pyx_v_step, __pyx_v_have_start, __pyx_v_have_stop, __pyx_v_have_step, 1); if (unlikely(__pyx_t_11 == ((int)-1))) __PYX_ERR(1, 768, __pyx_L1_error)
 
-      /* "View.MemoryView":774
- *                 have_start, have_stop, have_step,
- *                 True)
- *             new_ndim += 1             # <<<<<<<<<<<<<<
- * 
- *     if isinstance(memview, _memoryviewslice):
+static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, Py_ssize_t __pyx_v_index, Py_ssize_t __pyx_v_dim) {
+  Py_ssize_t __pyx_v_shape;
+  Py_ssize_t __pyx_v_stride;
+  Py_ssize_t __pyx_v_suboffset;
+  Py_ssize_t __pyx_v_itemsize;
+  char *__pyx_v_resultp;
+  char *__pyx_r;
+  __Pyx_RefNannyDeclarations
+  Py_ssize_t __pyx_t_1;
+  int __pyx_t_2;
+  PyObject *__pyx_t_3 = NULL;
+  Py_UCS4 __pyx_t_4;
+  PyObject *__pyx_t_5 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("pybuffer_index", 1);
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+  /* "View.MemoryView":898
+ * cdef char *pybuffer_index(Py_buffer *view, char *bufp, Py_ssize_t index,
+ *                           Py_ssize_t dim) except NULL:
+ *     cdef Py_ssize_t shape, stride, suboffset = -1             # <<<<<<<<<<<<<<
+ *     cdef Py_ssize_t itemsize = view.itemsize
+ *     cdef char *resultp
  */
-      __pyx_v_new_ndim = (__pyx_v_new_ndim + 1);
-    }
-    __pyx_L6:;
+  __pyx_v_suboffset = -1L;
 
-    /* "View.MemoryView":746
- *     cdef bint have_start, have_stop, have_step
+  /* "View.MemoryView":899
+ *                           Py_ssize_t dim) except NULL:
+ *     cdef Py_ssize_t shape, stride, suboffset = -1
+ *     cdef Py_ssize_t itemsize = view.itemsize             # <<<<<<<<<<<<<<
+ *     cdef char *resultp
  * 
- *     for dim, index in enumerate(indices):             # <<<<<<<<<<<<<<
- *         if PyIndex_Check(index):
- *             slice_memviewslice(
  */
-  }
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+  __pyx_t_1 = __pyx_v_view->itemsize;
+  __pyx_v_itemsize = __pyx_t_1;
 
-  /* "View.MemoryView":776
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+  /* "View.MemoryView":902
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  * 
- *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
- *         return memoryview_fromslice(dst, new_ndim,
- *                                     memviewsliceobj.to_object_func,
+ *     if view.ndim == 0:             # <<<<<<<<<<<<<<
+ *         shape = view.len // itemsize
+ *         stride = itemsize
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-  __pyx_t_1 = __Pyx_TypeCheck(((PyObject *)__pyx_v_memview), __pyx_memoryviewslice_type); 
-  __pyx_t_2 = (__pyx_t_1 != 0);
+  __pyx_t_2 = (__pyx_v_view->ndim == 0);
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-    /* "View.MemoryView":777
+    /* "View.MemoryView":903
  * 
- *     if isinstance(memview, _memoryviewslice):
- *         return memoryview_fromslice(dst, new_ndim,             # <<<<<<<<<<<<<<
- *                                     memviewsliceobj.to_object_func,
- *                                     memviewsliceobj.to_dtype_func,
- */
-    __Pyx_XDECREF(((PyObject *)__pyx_r));
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-    /* "View.MemoryView":778
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- *                                     memviewsliceobj.to_object_func,             # <<<<<<<<<<<<<<
- *                                     memviewsliceobj.to_dtype_func,
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-    /* "View.MemoryView":779
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- *                                     memviewsliceobj.to_object_func,
- *                                     memviewsliceobj.to_dtype_func,             # <<<<<<<<<<<<<<
- *                                     memview.dtype_is_object)
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+ *         shape = view.len // itemsize             # <<<<<<<<<<<<<<
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  *     else:
  */
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+      PyErr_SetString(PyExc_ZeroDivisionError, "integer division or modulo by zero");
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- *         return memoryview_fromslice(dst, new_ndim,             # <<<<<<<<<<<<<<
- *                                     memviewsliceobj.to_object_func,
- *                                     memviewsliceobj.to_dtype_func,
+    /* "View.MemoryView":904
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+ *         shape = view.len // itemsize
+ *         stride = itemsize             # <<<<<<<<<<<<<<
+ *     else:
+ *         shape = view.shape[dim]
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-    goto __pyx_L0;
+    __pyx_v_stride = __pyx_v_itemsize;
 
-    /* "View.MemoryView":776
- *             new_ndim += 1
+    /* "View.MemoryView":902
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  * 
- *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
- *         return memoryview_fromslice(dst, new_ndim,
- *                                     memviewsliceobj.to_object_func,
+ *     if view.ndim == 0:             # <<<<<<<<<<<<<<
+ *         shape = view.len // itemsize
+ *         stride = itemsize
  */
+    goto __pyx_L3;
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+  /* "View.MemoryView":906
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- *                                     memview.dtype_is_object)
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+ *         shape = view.shape[dim]             # <<<<<<<<<<<<<<
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- *                                     memview.dtype_is_object)             # <<<<<<<<<<<<<<
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  * 
+ */
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+ *             suboffset = view.suboffsets[dim]             # <<<<<<<<<<<<<<
  * 
+ *     if index < 0:
  */
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- *                                     memview.dtype_is_object)
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+ *         if view.suboffsets != NULL:             # <<<<<<<<<<<<<<
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  */
-    if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_memoryview_type))))) __PYX_ERR(1, 782, __pyx_L1_error)
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-    goto __pyx_L0;
+    }
   }
+  __pyx_L3:;
 
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- *     cdef int new_ndim = 0, suboffset_dim = -1, dim
- *     cdef bint negative_step
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+ *         if index < 0:
  */
+  __pyx_t_2 = (__pyx_v_index < 0);
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- *         __Pyx_memviewslice *dst,
- *         Py_ssize_t shape, Py_ssize_t stride, Py_ssize_t suboffset,
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+ *         index += view.shape[dim]             # <<<<<<<<<<<<<<
+ *         if index < 0:
+ *             raise IndexError, f"Out of bounds on buffer access (axis {dim})"
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-  /* "View.MemoryView":835
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- *         negative_step = have_step != 0 and step < 0             # <<<<<<<<<<<<<<
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- *         if have_step and step == 0:
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+ *     if suboffset >= 0:
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  */
-  /*else*/ {
-    __pyx_t_1 = ((__pyx_v_have_step != 0) != 0);
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-      __pyx_t_2 = __pyx_t_1;
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-    __pyx_t_1 = ((__pyx_v_step < 0) != 0);
-    __pyx_t_2 = __pyx_t_1;
-    __pyx_L6_bool_binop_done:;
-    __pyx_v_negative_step = __pyx_t_2;
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-    /* "View.MemoryView":837
- *         negative_step = have_step != 0 and step < 0
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  * 
- *         if have_step and step == 0:             # <<<<<<<<<<<<<<
- *             _err_dim(ValueError, "Step may not be zero (axis %d)", dim)
+ *     resultp = bufp + index * stride
+ *     if suboffset >= 0:             # <<<<<<<<<<<<<<
+ *         resultp = (<char **> resultp)[0] + suboffset
  * 
  */
-    __pyx_t_1 = (__pyx_v_have_step != 0);
-    if (__pyx_t_1) {
-    } else {
-      __pyx_t_2 = __pyx_t_1;
-      goto __pyx_L9_bool_binop_done;
-    }
-    __pyx_t_1 = ((__pyx_v_step == 0) != 0);
-    __pyx_t_2 = __pyx_t_1;
-    __pyx_L9_bool_binop_done:;
-    if (__pyx_t_2) {
+  __pyx_t_2 = (__pyx_v_suboffset >= 0);
+  if (__pyx_t_2) {
 
-      /* "View.MemoryView":838
- * 
- *         if have_step and step == 0:
- *             _err_dim(ValueError, "Step may not be zero (axis %d)", dim)             # <<<<<<<<<<<<<<
- * 
+    /* "View.MemoryView":921
+ *     resultp = bufp + index * stride
+ *     if suboffset >= 0:
+ *         resultp = (<char **> resultp)[0] + suboffset             # <<<<<<<<<<<<<<
  * 
+ *     return resultp
  */
-      __pyx_t_3 = __pyx_memoryview_err_dim(__pyx_builtin_ValueError, ((char *)"Step may not be zero (axis %d)"), __pyx_v_dim); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 838, __pyx_L1_error)
+    __pyx_v_resultp = ((((char **)__pyx_v_resultp)[0]) + __pyx_v_suboffset);
 
-      /* "View.MemoryView":837
- *         negative_step = have_step != 0 and step < 0
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  * 
- *         if have_step and step == 0:             # <<<<<<<<<<<<<<
- *             _err_dim(ValueError, "Step may not be zero (axis %d)", dim)
+ *     resultp = bufp + index * stride
+ *     if suboffset >= 0:             # <<<<<<<<<<<<<<
+ *         resultp = (<char **> resultp)[0] + suboffset
  * 
  */
-    }
+  }
 
-    /* "View.MemoryView":841
+  /* "View.MemoryView":923
+ *         resultp = (<char **> resultp)[0] + suboffset
+ * 
+ *     return resultp             # <<<<<<<<<<<<<<
  * 
  * 
- *         if have_start:             # <<<<<<<<<<<<<<
- *             if start < 0:
- *                 start += shape
  */
-    __pyx_t_2 = (__pyx_v_have_start != 0);
-    if (__pyx_t_2) {
+  __pyx_r = __pyx_v_resultp;
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-      /* "View.MemoryView":842
+  /* "View.MemoryView":896
  * 
- *         if have_start:
- *             if start < 0:             # <<<<<<<<<<<<<<
- *                 start += shape
- *                 if start < 0:
+ * @cname('__pyx_pybuffer_index')
+ * cdef char *pybuffer_index(Py_buffer *view, char *bufp, Py_ssize_t index,             # <<<<<<<<<<<<<<
+ *                           Py_ssize_t dim) except NULL:
+ *     cdef Py_ssize_t shape, stride, suboffset = -1
  */
-      __pyx_t_2 = ((__pyx_v_start < 0) != 0);
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-        /* "View.MemoryView":843
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- *                 start += shape             # <<<<<<<<<<<<<<
- *                 if start < 0:
- *                     start = 0
- */
-        __pyx_v_start = (__pyx_v_start + __pyx_v_shape);
+  /* function exit code */
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_AddTraceback("View.MemoryView.pybuffer_index", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
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+}
 
-        /* "View.MemoryView":844
- *             if start < 0:
- *                 start += shape
- *                 if start < 0:             # <<<<<<<<<<<<<<
- *                     start = 0
- *             elif start >= shape:
+/* "View.MemoryView":929
+ * 
+ * @cname('__pyx_memslice_transpose')
+ * cdef int transpose_memslice(__Pyx_memviewslice *memslice) except -1 nogil:             # <<<<<<<<<<<<<<
+ *     cdef int ndim = memslice.memview.view.ndim
+ * 
  */
-        __pyx_t_2 = ((__pyx_v_start < 0) != 0);
-        if (__pyx_t_2) {
 
-          /* "View.MemoryView":845
- *                 start += shape
- *                 if start < 0:
- *                     start = 0             # <<<<<<<<<<<<<<
- *             elif start >= shape:
- *                 if negative_step:
+static int __pyx_memslice_transpose(__Pyx_memviewslice *__pyx_v_memslice) {
+  int __pyx_v_ndim;
+  Py_ssize_t *__pyx_v_shape;
+  Py_ssize_t *__pyx_v_strides;
+  int __pyx_v_i;
+  int __pyx_v_j;
+  int __pyx_r;
+  int __pyx_t_1;
+  Py_ssize_t *__pyx_t_2;
+  long __pyx_t_3;
+  long __pyx_t_4;
+  Py_ssize_t __pyx_t_5;
+  Py_ssize_t __pyx_t_6;
+  int __pyx_t_7;
+  int __pyx_t_8;
+  int __pyx_t_9;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  #ifdef WITH_THREAD
+  PyGILState_STATE __pyx_gilstate_save;
+  #endif
+
+  /* "View.MemoryView":930
+ * @cname('__pyx_memslice_transpose')
+ * cdef int transpose_memslice(__Pyx_memviewslice *memslice) except -1 nogil:
+ *     cdef int ndim = memslice.memview.view.ndim             # <<<<<<<<<<<<<<
+ * 
+ *     cdef Py_ssize_t *shape = memslice.shape
  */
-          __pyx_v_start = 0;
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-          /* "View.MemoryView":844
- *             if start < 0:
- *                 start += shape
- *                 if start < 0:             # <<<<<<<<<<<<<<
- *                     start = 0
- *             elif start >= shape:
+  /* "View.MemoryView":932
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+ * 
+ *     cdef Py_ssize_t *shape = memslice.shape             # <<<<<<<<<<<<<<
+ *     cdef Py_ssize_t *strides = memslice.strides
+ * 
  */
-        }
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-        /* "View.MemoryView":842
+  /* "View.MemoryView":933
+ * 
+ *     cdef Py_ssize_t *shape = memslice.shape
+ *     cdef Py_ssize_t *strides = memslice.strides             # <<<<<<<<<<<<<<
+ * 
  * 
- *         if have_start:
- *             if start < 0:             # <<<<<<<<<<<<<<
- *                 start += shape
- *                 if start < 0:
  */
-        goto __pyx_L12;
-      }
+  __pyx_t_2 = __pyx_v_memslice->strides;
+  __pyx_v_strides = __pyx_t_2;
 
-      /* "View.MemoryView":846
- *                 if start < 0:
- *                     start = 0
- *             elif start >= shape:             # <<<<<<<<<<<<<<
- *                 if negative_step:
- *                     start = shape - 1
+  /* "View.MemoryView":937
+ * 
+ *     cdef int i, j
+ *     for i in range(ndim // 2):             # <<<<<<<<<<<<<<
+ *         j = ndim - 1 - i
+ *         strides[i], strides[j] = strides[j], strides[i]
  */
-      __pyx_t_2 = ((__pyx_v_start >= __pyx_v_shape) != 0);
-      if (__pyx_t_2) {
+  __pyx_t_3 = __Pyx_div_long(__pyx_v_ndim, 2);
+  __pyx_t_4 = __pyx_t_3;
+  for (__pyx_t_1 = 0; __pyx_t_1 < __pyx_t_4; __pyx_t_1+=1) {
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-        /* "View.MemoryView":847
- *                     start = 0
- *             elif start >= shape:
- *                 if negative_step:             # <<<<<<<<<<<<<<
- *                     start = shape - 1
- *                 else:
+    /* "View.MemoryView":938
+ *     cdef int i, j
+ *     for i in range(ndim // 2):
+ *         j = ndim - 1 - i             # <<<<<<<<<<<<<<
+ *         strides[i], strides[j] = strides[j], strides[i]
+ *         shape[i], shape[j] = shape[j], shape[i]
  */
-        __pyx_t_2 = (__pyx_v_negative_step != 0);
-        if (__pyx_t_2) {
+    __pyx_v_j = ((__pyx_v_ndim - 1) - __pyx_v_i);
 
-          /* "View.MemoryView":848
- *             elif start >= shape:
- *                 if negative_step:
- *                     start = shape - 1             # <<<<<<<<<<<<<<
- *                 else:
- *                     start = shape
+    /* "View.MemoryView":939
+ *     for i in range(ndim // 2):
+ *         j = ndim - 1 - i
+ *         strides[i], strides[j] = strides[j], strides[i]             # <<<<<<<<<<<<<<
+ *         shape[i], shape[j] = shape[j], shape[i]
+ * 
  */
-          __pyx_v_start = (__pyx_v_shape - 1);
+    __pyx_t_5 = (__pyx_v_strides[__pyx_v_j]);
+    __pyx_t_6 = (__pyx_v_strides[__pyx_v_i]);
+    (__pyx_v_strides[__pyx_v_i]) = __pyx_t_5;
+    (__pyx_v_strides[__pyx_v_j]) = __pyx_t_6;
 
-          /* "View.MemoryView":847
- *                     start = 0
- *             elif start >= shape:
- *                 if negative_step:             # <<<<<<<<<<<<<<
- *                     start = shape - 1
- *                 else:
+    /* "View.MemoryView":940
+ *         j = ndim - 1 - i
+ *         strides[i], strides[j] = strides[j], strides[i]
+ *         shape[i], shape[j] = shape[j], shape[i]             # <<<<<<<<<<<<<<
+ * 
+ *         if memslice.suboffsets[i] >= 0 or memslice.suboffsets[j] >= 0:
  */
-          goto __pyx_L14;
-        }
+    __pyx_t_6 = (__pyx_v_shape[__pyx_v_j]);
+    __pyx_t_5 = (__pyx_v_shape[__pyx_v_i]);
+    (__pyx_v_shape[__pyx_v_i]) = __pyx_t_6;
+    (__pyx_v_shape[__pyx_v_j]) = __pyx_t_5;
 
-        /* "View.MemoryView":850
- *                     start = shape - 1
- *                 else:
- *                     start = shape             # <<<<<<<<<<<<<<
- *         else:
- *             if negative_step:
+    /* "View.MemoryView":942
+ *         shape[i], shape[j] = shape[j], shape[i]
+ * 
+ *         if memslice.suboffsets[i] >= 0 or memslice.suboffsets[j] >= 0:             # <<<<<<<<<<<<<<
+ *             _err(PyExc_ValueError, "Cannot transpose memoryview with indirect dimensions")
+ * 
  */
-        /*else*/ {
-          __pyx_v_start = __pyx_v_shape;
-        }
-        __pyx_L14:;
+    __pyx_t_8 = ((__pyx_v_memslice->suboffsets[__pyx_v_i]) >= 0);
+    if (!__pyx_t_8) {
+    } else {
+      __pyx_t_7 = __pyx_t_8;
+      goto __pyx_L6_bool_binop_done;
+    }
+    __pyx_t_8 = ((__pyx_v_memslice->suboffsets[__pyx_v_j]) >= 0);
+    __pyx_t_7 = __pyx_t_8;
+    __pyx_L6_bool_binop_done:;
+    if (__pyx_t_7) {
 
-        /* "View.MemoryView":846
- *                 if start < 0:
- *                     start = 0
- *             elif start >= shape:             # <<<<<<<<<<<<<<
- *                 if negative_step:
- *                     start = shape - 1
+      /* "View.MemoryView":943
+ * 
+ *         if memslice.suboffsets[i] >= 0 or memslice.suboffsets[j] >= 0:
+ *             _err(PyExc_ValueError, "Cannot transpose memoryview with indirect dimensions")             # <<<<<<<<<<<<<<
+ * 
+ *     return 0
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-      }
-      __pyx_L12:;
+      __pyx_t_9 = __pyx_memoryview_err(PyExc_ValueError, __pyx_kp_s_Cannot_transpose_memoryview_with); if (unlikely(__pyx_t_9 == ((int)-1))) __PYX_ERR(1, 943, __pyx_L1_error)
 
-      /* "View.MemoryView":841
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  * 
+ *         if memslice.suboffsets[i] >= 0 or memslice.suboffsets[j] >= 0:             # <<<<<<<<<<<<<<
+ *             _err(PyExc_ValueError, "Cannot transpose memoryview with indirect dimensions")
  * 
- *         if have_start:             # <<<<<<<<<<<<<<
- *             if start < 0:
- *                 start += shape
  */
-      goto __pyx_L11;
     }
+  }
 
-    /* "View.MemoryView":852
- *                     start = shape
- *         else:
- *             if negative_step:             # <<<<<<<<<<<<<<
- *                 start = shape - 1
- *             else:
+  /* "View.MemoryView":945
+ *             _err(PyExc_ValueError, "Cannot transpose memoryview with indirect dimensions")
+ * 
+ *     return 0             # <<<<<<<<<<<<<<
+ * 
+ * 
  */
-    /*else*/ {
-      __pyx_t_2 = (__pyx_v_negative_step != 0);
-      if (__pyx_t_2) {
+  __pyx_r = 0;
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-        /* "View.MemoryView":853
- *         else:
- *             if negative_step:
- *                 start = shape - 1             # <<<<<<<<<<<<<<
- *             else:
- *                 start = 0
+  /* "View.MemoryView":929
+ * 
+ * @cname('__pyx_memslice_transpose')
+ * cdef int transpose_memslice(__Pyx_memviewslice *memslice) except -1 nogil:             # <<<<<<<<<<<<<<
+ *     cdef int ndim = memslice.memview.view.ndim
+ * 
  */
-        __pyx_v_start = (__pyx_v_shape - 1);
 
-        /* "View.MemoryView":852
- *                     start = shape
- *         else:
- *             if negative_step:             # <<<<<<<<<<<<<<
- *                 start = shape - 1
- *             else:
- */
-        goto __pyx_L15;
-      }
+  /* function exit code */
+  __pyx_L1_error:;
+  #ifdef WITH_THREAD
+  __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
+  #endif
+  __Pyx_AddTraceback("View.MemoryView.transpose_memslice", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
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+  __Pyx_PyGILState_Release(__pyx_gilstate_save);
+  #endif
+  __pyx_L0:;
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+}
 
-      /* "View.MemoryView":855
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- *             else:
- *                 start = 0             # <<<<<<<<<<<<<<
+/* "View.MemoryView":963
+ *     cdef int (*to_dtype_func)(char *, object) except 0
  * 
- *         if have_stop:
- */
-      /*else*/ {
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-      }
-      __pyx_L15:;
-    }
-    __pyx_L11:;
-
-    /* "View.MemoryView":857
- *                 start = 0
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+ *         __PYX_XCLEAR_MEMVIEW(&self.from_slice, 1)
  * 
- *         if have_stop:             # <<<<<<<<<<<<<<
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- *                 if stop < 0:
- */
-      __pyx_t_2 = ((__pyx_v_stop < 0) != 0);
-      if (__pyx_t_2) {
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+static void __pyx_memoryviewslice___dealloc__(PyObject *__pyx_v_self); /*proto*/
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-        __pyx_t_2 = ((__pyx_v_stop < 0) != 0);
-        if (__pyx_t_2) {
+static void __pyx_memoryviewslice___pyx_pf_15View_dot_MemoryView_16_memoryviewslice___dealloc__(struct __pyx_memoryviewslice_obj *__pyx_v_self) {
 
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  */
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+  /* "View.MemoryView":963
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+ * 
+ *     def __dealloc__(self):             # <<<<<<<<<<<<<<
+ *         __PYX_XCLEAR_MEMVIEW(&self.from_slice, 1)
+ * 
  */
-        }
 
-        /* "View.MemoryView":858
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  * 
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- *             if stop < 0:             # <<<<<<<<<<<<<<
- *                 stop += shape
- *                 if stop < 0:
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-      __pyx_t_2 = ((__pyx_v_stop > __pyx_v_shape) != 0);
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+static PyObject *__pyx_memoryviewslice_convert_item_to_object(struct __pyx_memoryviewslice_obj *__pyx_v_self, char *__pyx_v_itemp) {
+  PyObject *__pyx_r = NULL;
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+  /* "View.MemoryView":967
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+ *     cdef convert_item_to_object(self, char *itemp):
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- *         resultp = (<char **> resultp)[0] + suboffset
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+ *     for length in result.view.shape[:ndim]:             # <<<<<<<<<<<<<<
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- *     cdef Py_ssize_t *shape = memslice.shape             # <<<<<<<<<<<<<<
- *     cdef Py_ssize_t *strides = memslice.strides
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- * 
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+ *         slice_copy(memview, mslice)
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- *     for i in range(ndim / 2):             # <<<<<<<<<<<<<<
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- *         strides[i], strides[j] = strides[j], strides[i]
+    /* "View.MemoryView":1055
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+  Py_ssize_t *__pyx_v_strides;
+  Py_ssize_t *__pyx_v_suboffsets;
+  Py_ssize_t *__pyx_t_1;
+  int __pyx_t_2;
+  int __pyx_t_3;
+  int __pyx_t_4;
+  Py_ssize_t __pyx_t_5;
+  int __pyx_t_6;
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+  /* "View.MemoryView":1067
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- *     return 1
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+ *     strides = memview.view.strides
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- *         if memslice.suboffsets[i] >= 0 or memslice.suboffsets[j] >= 0:             # <<<<<<<<<<<<<<
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+ *     strides = memview.view.strides             # <<<<<<<<<<<<<<
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  */
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+ *     strides = memview.view.strides
+ *     suboffsets = memview.view.suboffsets             # <<<<<<<<<<<<<<
  * 
- *     return 1             # <<<<<<<<<<<<<<
+ *     dst.memview = <__pyx_memoryview *> memview
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+  __pyx_t_1 = __pyx_v_memview->view.suboffsets;
+  __pyx_v_suboffsets = __pyx_t_1;
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+  /* "View.MemoryView":1071
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+ *     dst.memview = <__pyx_memoryview *> memview             # <<<<<<<<<<<<<<
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  */
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-  goto __pyx_L0;
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- * @cname('__pyx_memslice_transpose')
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- *     cdef int ndim = memslice.memview.view.ndim
+ *     dst.memview = <__pyx_memoryview *> memview
+ *     dst.data = <char *> memview.view.buf             # <<<<<<<<<<<<<<
  * 
+ *     for dim in range(memview.view.ndim):
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- *     def __dealloc__(self):             # <<<<<<<<<<<<<<
- *         __PYX_XDEC_MEMVIEW(&self.from_slice, 1)
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+ *     for dim in range(memview.view.ndim):             # <<<<<<<<<<<<<<
+ *         dst.shape[dim] = shape[dim]
+ *         dst.strides[dim] = strides[dim]
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+  __pyx_t_2 = __pyx_v_memview->view.ndim;
+  __pyx_t_3 = __pyx_t_2;
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+ *         dst.shape[dim] = shape[dim]             # <<<<<<<<<<<<<<
+ *         dst.strides[dim] = strides[dim]
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  * 
- *     def __dealloc__(self):             # <<<<<<<<<<<<<<
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-  /* "View.MemoryView":983
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- *     if (<memoryview>memviewslice.memview).flags & PyBUF_WRITABLE:
+ * @cython.cdivision(True)
+ * cdef void _copy_strided_to_strided(char *src_data, Py_ssize_t *src_strides,             # <<<<<<<<<<<<<<
+ *                                    char *dst_data, Py_ssize_t *dst_strides,
+ *                                    Py_ssize_t *src_shape, Py_ssize_t *dst_shape,
  */
-  Py_INCREF(Py_None);
 
-  /* "View.MemoryView":1027
- *     Py_INCREF(Py_None)
+static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v_src_strides, char *__pyx_v_dst_data, Py_ssize_t *__pyx_v_dst_strides, Py_ssize_t *__pyx_v_src_shape, Py_ssize_t *__pyx_v_dst_shape, int __pyx_v_ndim, size_t __pyx_v_itemsize) {
+  CYTHON_UNUSED Py_ssize_t __pyx_v_i;
+  CYTHON_UNUSED Py_ssize_t __pyx_v_src_extent;
+  Py_ssize_t __pyx_v_dst_extent;
+  Py_ssize_t __pyx_v_src_stride;
+  Py_ssize_t __pyx_v_dst_stride;
+  int __pyx_t_1;
+  int __pyx_t_2;
+  Py_ssize_t __pyx_t_3;
+  Py_ssize_t __pyx_t_4;
+  Py_ssize_t __pyx_t_5;
+
+  /* "View.MemoryView":1144
  * 
- *     if (<memoryview>memviewslice.memview).flags & PyBUF_WRITABLE:             # <<<<<<<<<<<<<<
- *         result.flags = PyBUF_RECORDS
- *     else:
+ *     cdef Py_ssize_t i
+ *     cdef Py_ssize_t src_extent = src_shape[0]             # <<<<<<<<<<<<<<
+ *     cdef Py_ssize_t dst_extent = dst_shape[0]
+ *     cdef Py_ssize_t src_stride = src_strides[0]
  */
-  __pyx_t_1 = ((((struct __pyx_memoryview_obj *)__pyx_v_memviewslice.memview)->flags & PyBUF_WRITABLE) != 0);
-  if (__pyx_t_1) {
+  __pyx_v_src_extent = (__pyx_v_src_shape[0]);
 
-    /* "View.MemoryView":1028
- * 
- *     if (<memoryview>memviewslice.memview).flags & PyBUF_WRITABLE:
- *         result.flags = PyBUF_RECORDS             # <<<<<<<<<<<<<<
- *     else:
- *         result.flags = PyBUF_RECORDS_RO
+  /* "View.MemoryView":1145
+ *     cdef Py_ssize_t i
+ *     cdef Py_ssize_t src_extent = src_shape[0]
+ *     cdef Py_ssize_t dst_extent = dst_shape[0]             # <<<<<<<<<<<<<<
+ *     cdef Py_ssize_t src_stride = src_strides[0]
+ *     cdef Py_ssize_t dst_stride = dst_strides[0]
  */
-    __pyx_v_result->__pyx_base.flags = PyBUF_RECORDS;
+  __pyx_v_dst_extent = (__pyx_v_dst_shape[0]);
 
-    /* "View.MemoryView":1027
- *     Py_INCREF(Py_None)
+  /* "View.MemoryView":1146
+ *     cdef Py_ssize_t src_extent = src_shape[0]
+ *     cdef Py_ssize_t dst_extent = dst_shape[0]
+ *     cdef Py_ssize_t src_stride = src_strides[0]             # <<<<<<<<<<<<<<
+ *     cdef Py_ssize_t dst_stride = dst_strides[0]
  * 
- *     if (<memoryview>memviewslice.memview).flags & PyBUF_WRITABLE:             # <<<<<<<<<<<<<<
- *         result.flags = PyBUF_RECORDS
- *     else:
  */
-    goto __pyx_L4;
-  }
+  __pyx_v_src_stride = (__pyx_v_src_strides[0]);
 
-  /* "View.MemoryView":1030
- *         result.flags = PyBUF_RECORDS
- *     else:
- *         result.flags = PyBUF_RECORDS_RO             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1147
+ *     cdef Py_ssize_t dst_extent = dst_shape[0]
+ *     cdef Py_ssize_t src_stride = src_strides[0]
+ *     cdef Py_ssize_t dst_stride = dst_strides[0]             # <<<<<<<<<<<<<<
  * 
- *     result.view.shape = <Py_ssize_t *> result.from_slice.shape
+ *     if ndim == 1:
  */
-  /*else*/ {
-    __pyx_v_result->__pyx_base.flags = PyBUF_RECORDS_RO;
-  }
-  __pyx_L4:;
+  __pyx_v_dst_stride = (__pyx_v_dst_strides[0]);
 
-  /* "View.MemoryView":1032
- *         result.flags = PyBUF_RECORDS_RO
- * 
- *     result.view.shape = <Py_ssize_t *> result.from_slice.shape             # <<<<<<<<<<<<<<
- *     result.view.strides = <Py_ssize_t *> result.from_slice.strides
+  /* "View.MemoryView":1149
+ *     cdef Py_ssize_t dst_stride = dst_strides[0]
  * 
+ *     if ndim == 1:             # <<<<<<<<<<<<<<
+ *         if (src_stride > 0 and dst_stride > 0 and
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
  */
-  __pyx_v_result->__pyx_base.view.shape = ((Py_ssize_t *)__pyx_v_result->from_slice.shape);
+  __pyx_t_1 = (__pyx_v_ndim == 1);
+  if (__pyx_t_1) {
 
-  /* "View.MemoryView":1033
- * 
- *     result.view.shape = <Py_ssize_t *> result.from_slice.shape
- *     result.view.strides = <Py_ssize_t *> result.from_slice.strides             # <<<<<<<<<<<<<<
- * 
+    /* "View.MemoryView":1150
  * 
+ *     if ndim == 1:
+ *         if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
  */
-  __pyx_v_result->__pyx_base.view.strides = ((Py_ssize_t *)__pyx_v_result->from_slice.strides);
+    __pyx_t_2 = (__pyx_v_src_stride > 0);
+    if (__pyx_t_2) {
+    } else {
+      __pyx_t_1 = __pyx_t_2;
+      goto __pyx_L5_bool_binop_done;
+    }
+    __pyx_t_2 = (__pyx_v_dst_stride > 0);
+    if (__pyx_t_2) {
+    } else {
+      __pyx_t_1 = __pyx_t_2;
+      goto __pyx_L5_bool_binop_done;
+    }
 
-  /* "View.MemoryView":1036
- * 
- * 
- *     result.view.suboffsets = NULL             # <<<<<<<<<<<<<<
- *     for suboffset in result.from_slice.suboffsets[:ndim]:
- *         if suboffset >= 0:
+    /* "View.MemoryView":1151
+ *     if ndim == 1:
+ *         if (src_stride > 0 and dst_stride > 0 and
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):             # <<<<<<<<<<<<<<
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
+ *         else:
  */
-  __pyx_v_result->__pyx_base.view.suboffsets = NULL;
+    __pyx_t_2 = (((size_t)__pyx_v_src_stride) == __pyx_v_itemsize);
+    if (__pyx_t_2) {
+      __pyx_t_2 = (__pyx_v_itemsize == ((size_t)__pyx_v_dst_stride));
+    }
+    __pyx_t_1 = __pyx_t_2;
+    __pyx_L5_bool_binop_done:;
 
-  /* "View.MemoryView":1037
+    /* "View.MemoryView":1150
  * 
- *     result.view.suboffsets = NULL
- *     for suboffset in result.from_slice.suboffsets[:ndim]:             # <<<<<<<<<<<<<<
- *         if suboffset >= 0:
- *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets
+ *     if ndim == 1:
+ *         if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
  */
-  __pyx_t_7 = (__pyx_v_result->from_slice.suboffsets + __pyx_v_ndim);
-  for (__pyx_t_8 = __pyx_v_result->from_slice.suboffsets; __pyx_t_8 < __pyx_t_7; __pyx_t_8++) {
-    __pyx_t_6 = __pyx_t_8;
-    __pyx_v_suboffset = (__pyx_t_6[0]);
+    if (__pyx_t_1) {
 
-    /* "View.MemoryView":1038
- *     result.view.suboffsets = NULL
- *     for suboffset in result.from_slice.suboffsets[:ndim]:
- *         if suboffset >= 0:             # <<<<<<<<<<<<<<
- *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets
- *             break
+      /* "View.MemoryView":1152
+ *         if (src_stride > 0 and dst_stride > 0 and
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)             # <<<<<<<<<<<<<<
+ *         else:
+ *             for i in range(dst_extent):
  */
-    __pyx_t_1 = ((__pyx_v_suboffset >= 0) != 0);
-    if (__pyx_t_1) {
+      (void)(memcpy(__pyx_v_dst_data, __pyx_v_src_data, (__pyx_v_itemsize * __pyx_v_dst_extent)));
 
-      /* "View.MemoryView":1039
- *     for suboffset in result.from_slice.suboffsets[:ndim]:
- *         if suboffset >= 0:
- *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets             # <<<<<<<<<<<<<<
- *             break
+      /* "View.MemoryView":1150
  * 
+ *     if ndim == 1:
+ *         if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
  */
-      __pyx_v_result->__pyx_base.view.suboffsets = ((Py_ssize_t *)__pyx_v_result->from_slice.suboffsets);
+      goto __pyx_L4;
+    }
 
-      /* "View.MemoryView":1040
- *         if suboffset >= 0:
- *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets
- *             break             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":1154
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
+ *         else:
+ *             for i in range(dst_extent):             # <<<<<<<<<<<<<<
+ *                 memcpy(dst_data, src_data, itemsize)
+ *                 src_data += src_stride
+ */
+    /*else*/ {
+      __pyx_t_3 = __pyx_v_dst_extent;
+      __pyx_t_4 = __pyx_t_3;
+      for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
+        __pyx_v_i = __pyx_t_5;
+
+        /* "View.MemoryView":1155
+ *         else:
+ *             for i in range(dst_extent):
+ *                 memcpy(dst_data, src_data, itemsize)             # <<<<<<<<<<<<<<
+ *                 src_data += src_stride
+ *                 dst_data += dst_stride
+ */
+        (void)(memcpy(__pyx_v_dst_data, __pyx_v_src_data, __pyx_v_itemsize));
+
+        /* "View.MemoryView":1156
+ *             for i in range(dst_extent):
+ *                 memcpy(dst_data, src_data, itemsize)
+ *                 src_data += src_stride             # <<<<<<<<<<<<<<
+ *                 dst_data += dst_stride
+ *     else:
+ */
+        __pyx_v_src_data = (__pyx_v_src_data + __pyx_v_src_stride);
+
+        /* "View.MemoryView":1157
+ *                 memcpy(dst_data, src_data, itemsize)
+ *                 src_data += src_stride
+ *                 dst_data += dst_stride             # <<<<<<<<<<<<<<
+ *     else:
+ *         for i in range(dst_extent):
+ */
+        __pyx_v_dst_data = (__pyx_v_dst_data + __pyx_v_dst_stride);
+      }
+    }
+    __pyx_L4:;
+
+    /* "View.MemoryView":1149
+ *     cdef Py_ssize_t dst_stride = dst_strides[0]
  * 
- *     result.view.len = result.view.itemsize
+ *     if ndim == 1:             # <<<<<<<<<<<<<<
+ *         if (src_stride > 0 and dst_stride > 0 and
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
  */
-      goto __pyx_L6_break;
+    goto __pyx_L3;
+  }
 
-      /* "View.MemoryView":1038
- *     result.view.suboffsets = NULL
- *     for suboffset in result.from_slice.suboffsets[:ndim]:
- *         if suboffset >= 0:             # <<<<<<<<<<<<<<
- *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets
- *             break
+  /* "View.MemoryView":1159
+ *                 dst_data += dst_stride
+ *     else:
+ *         for i in range(dst_extent):             # <<<<<<<<<<<<<<
+ *             _copy_strided_to_strided(src_data, src_strides + 1,
+ *                                      dst_data, dst_strides + 1,
+ */
+  /*else*/ {
+    __pyx_t_3 = __pyx_v_dst_extent;
+    __pyx_t_4 = __pyx_t_3;
+    for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
+      __pyx_v_i = __pyx_t_5;
+
+      /* "View.MemoryView":1160
+ *     else:
+ *         for i in range(dst_extent):
+ *             _copy_strided_to_strided(src_data, src_strides + 1,             # <<<<<<<<<<<<<<
+ *                                      dst_data, dst_strides + 1,
+ *                                      src_shape + 1, dst_shape + 1,
+ */
+      _copy_strided_to_strided(__pyx_v_src_data, (__pyx_v_src_strides + 1), __pyx_v_dst_data, (__pyx_v_dst_strides + 1), (__pyx_v_src_shape + 1), (__pyx_v_dst_shape + 1), (__pyx_v_ndim - 1), __pyx_v_itemsize);
+
+      /* "View.MemoryView":1164
+ *                                      src_shape + 1, dst_shape + 1,
+ *                                      ndim - 1, itemsize)
+ *             src_data += src_stride             # <<<<<<<<<<<<<<
+ *             dst_data += dst_stride
+ * 
+ */
+      __pyx_v_src_data = (__pyx_v_src_data + __pyx_v_src_stride);
+
+      /* "View.MemoryView":1165
+ *                                      ndim - 1, itemsize)
+ *             src_data += src_stride
+ *             dst_data += dst_stride             # <<<<<<<<<<<<<<
+ * 
+ * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,
  */
+      __pyx_v_dst_data = (__pyx_v_dst_data + __pyx_v_dst_stride);
     }
   }
-  __pyx_L6_break:;
+  __pyx_L3:;
 
-  /* "View.MemoryView":1042
- *             break
+  /* "View.MemoryView":1137
  * 
- *     result.view.len = result.view.itemsize             # <<<<<<<<<<<<<<
- *     for length in result.view.shape[:ndim]:
- *         result.view.len *= length
+ * @cython.cdivision(True)
+ * cdef void _copy_strided_to_strided(char *src_data, Py_ssize_t *src_strides,             # <<<<<<<<<<<<<<
+ *                                    char *dst_data, Py_ssize_t *dst_strides,
+ *                                    Py_ssize_t *src_shape, Py_ssize_t *dst_shape,
  */
-  __pyx_t_9 = __pyx_v_result->__pyx_base.view.itemsize;
-  __pyx_v_result->__pyx_base.view.len = __pyx_t_9;
 
-  /* "View.MemoryView":1043
+  /* function exit code */
+}
+
+/* "View.MemoryView":1167
+ *             dst_data += dst_stride
  * 
- *     result.view.len = result.view.itemsize
- *     for length in result.view.shape[:ndim]:             # <<<<<<<<<<<<<<
- *         result.view.len *= length
+ * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
+ *                                   __Pyx_memviewslice *dst,
+ *                                   int ndim, size_t itemsize) noexcept nogil:
+ */
+
+static void copy_strided_to_strided(__Pyx_memviewslice *__pyx_v_src, __Pyx_memviewslice *__pyx_v_dst, int __pyx_v_ndim, size_t __pyx_v_itemsize) {
+
+  /* "View.MemoryView":1170
+ *                                   __Pyx_memviewslice *dst,
+ *                                   int ndim, size_t itemsize) noexcept nogil:
+ *     _copy_strided_to_strided(src.data, src.strides, dst.data, dst.strides,             # <<<<<<<<<<<<<<
+ *                              src.shape, dst.shape, ndim, itemsize)
  * 
  */
-  __pyx_t_7 = (__pyx_v_result->__pyx_base.view.shape + __pyx_v_ndim);
-  for (__pyx_t_8 = __pyx_v_result->__pyx_base.view.shape; __pyx_t_8 < __pyx_t_7; __pyx_t_8++) {
-    __pyx_t_6 = __pyx_t_8;
-    __pyx_t_2 = PyInt_FromSsize_t((__pyx_t_6[0])); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1043, __pyx_L1_error)
-    __Pyx_GOTREF(__pyx_t_2);
-    __Pyx_XDECREF_SET(__pyx_v_length, __pyx_t_2);
-    __pyx_t_2 = 0;
+  _copy_strided_to_strided(__pyx_v_src->data, __pyx_v_src->strides, __pyx_v_dst->data, __pyx_v_dst->strides, __pyx_v_src->shape, __pyx_v_dst->shape, __pyx_v_ndim, __pyx_v_itemsize);
 
-    /* "View.MemoryView":1044
- *     result.view.len = result.view.itemsize
- *     for length in result.view.shape[:ndim]:
- *         result.view.len *= length             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1167
+ *             dst_data += dst_stride
  * 
- *     result.to_object_func = to_object_func
+ * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
+ *                                   __Pyx_memviewslice *dst,
+ *                                   int ndim, size_t itemsize) noexcept nogil:
  */
-    __pyx_t_2 = PyInt_FromSsize_t(__pyx_v_result->__pyx_base.view.len); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1044, __pyx_L1_error)
-    __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_3 = PyNumber_InPlaceMultiply(__pyx_t_2, __pyx_v_length); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 1044, __pyx_L1_error)
-    __Pyx_GOTREF(__pyx_t_3);
-    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __pyx_t_9 = __Pyx_PyIndex_AsSsize_t(__pyx_t_3); if (unlikely((__pyx_t_9 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(1, 1044, __pyx_L1_error)
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __pyx_v_result->__pyx_base.view.len = __pyx_t_9;
-  }
 
-  /* "View.MemoryView":1046
- *         result.view.len *= length
+  /* function exit code */
+}
+
+/* "View.MemoryView":1174
  * 
- *     result.to_object_func = to_object_func             # <<<<<<<<<<<<<<
- *     result.to_dtype_func = to_dtype_func
+ * @cname('__pyx_memoryview_slice_get_size')
+ * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) noexcept nogil:             # <<<<<<<<<<<<<<
+ *     "Return the size of the memory occupied by the slice in number of bytes"
+ *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
+ */
+
+static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *__pyx_v_src, int __pyx_v_ndim) {
+  Py_ssize_t __pyx_v_shape;
+  Py_ssize_t __pyx_v_size;
+  Py_ssize_t __pyx_r;
+  Py_ssize_t __pyx_t_1;
+  Py_ssize_t *__pyx_t_2;
+  Py_ssize_t *__pyx_t_3;
+  Py_ssize_t *__pyx_t_4;
+
+  /* "View.MemoryView":1176
+ * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) noexcept nogil:
+ *     "Return the size of the memory occupied by the slice in number of bytes"
+ *     cdef Py_ssize_t shape, size = src.memview.view.itemsize             # <<<<<<<<<<<<<<
  * 
+ *     for shape in src.shape[:ndim]:
  */
-  __pyx_v_result->to_object_func = __pyx_v_to_object_func;
+  __pyx_t_1 = __pyx_v_src->memview->view.itemsize;
+  __pyx_v_size = __pyx_t_1;
 
-  /* "View.MemoryView":1047
+  /* "View.MemoryView":1178
+ *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
  * 
- *     result.to_object_func = to_object_func
- *     result.to_dtype_func = to_dtype_func             # <<<<<<<<<<<<<<
+ *     for shape in src.shape[:ndim]:             # <<<<<<<<<<<<<<
+ *         size *= shape
  * 
- *     return result
  */
-  __pyx_v_result->to_dtype_func = __pyx_v_to_dtype_func;
+  __pyx_t_3 = (__pyx_v_src->shape + __pyx_v_ndim);
+  for (__pyx_t_4 = __pyx_v_src->shape; __pyx_t_4 < __pyx_t_3; __pyx_t_4++) {
+    __pyx_t_2 = __pyx_t_4;
+    __pyx_v_shape = (__pyx_t_2[0]);
 
-  /* "View.MemoryView":1049
- *     result.to_dtype_func = to_dtype_func
+    /* "View.MemoryView":1179
  * 
- *     return result             # <<<<<<<<<<<<<<
+ *     for shape in src.shape[:ndim]:
+ *         size *= shape             # <<<<<<<<<<<<<<
  * 
- * @cname('__pyx_memoryview_get_slice_from_memoryview')
+ *     return size
  */
-  __Pyx_XDECREF(__pyx_r);
-  __Pyx_INCREF(((PyObject *)__pyx_v_result));
-  __pyx_r = ((PyObject *)__pyx_v_result);
+    __pyx_v_size = (__pyx_v_size * __pyx_v_shape);
+  }
+
+  /* "View.MemoryView":1181
+ *         size *= shape
+ * 
+ *     return size             # <<<<<<<<<<<<<<
+ * 
+ * @cname('__pyx_fill_contig_strides_array')
+ */
+  __pyx_r = __pyx_v_size;
   goto __pyx_L0;
 
-  /* "View.MemoryView":999
+  /* "View.MemoryView":1174
  * 
- * @cname('__pyx_memoryview_fromslice')
- * cdef memoryview_fromslice(__Pyx_memviewslice memviewslice,             # <<<<<<<<<<<<<<
- *                           int ndim,
- *                           object (*to_object_func)(char *),
+ * @cname('__pyx_memoryview_slice_get_size')
+ * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) noexcept nogil:             # <<<<<<<<<<<<<<
+ *     "Return the size of the memory occupied by the slice in number of bytes"
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   /* function exit code */
-  __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_2);
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 }
 
-/* "View.MemoryView":1052
+/* "View.MemoryView":1184
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- * @cname('__pyx_memoryview_get_slice_from_memoryview')
- * cdef __Pyx_memviewslice *get_slice_from_memview(memoryview memview,             # <<<<<<<<<<<<<<
- *                                                    __Pyx_memviewslice *mslice) except NULL:
- *     cdef _memoryviewslice obj
+ * @cname('__pyx_fill_contig_strides_array')
+ * cdef Py_ssize_t fill_contig_strides_array(             # <<<<<<<<<<<<<<
+ *                 Py_ssize_t *shape, Py_ssize_t *strides, Py_ssize_t stride,
+ *                 int ndim, char order) noexcept nogil:
  */
 
-static __Pyx_memviewslice *__pyx_memoryview_get_slice_from_memoryview(struct __pyx_memoryview_obj *__pyx_v_memview, __Pyx_memviewslice *__pyx_v_mslice) {
-  struct __pyx_memoryviewslice_obj *__pyx_v_obj = 0;
-  __Pyx_memviewslice *__pyx_r;
-  __Pyx_RefNannyDeclarations
+static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, Py_ssize_t __pyx_v_stride, int __pyx_v_ndim, char __pyx_v_order) {
+  int __pyx_v_idx;
+  Py_ssize_t __pyx_r;
   int __pyx_t_1;
   int __pyx_t_2;
-  PyObject *__pyx_t_3 = NULL;
-  int __pyx_lineno = 0;
-  const char *__pyx_filename = NULL;
-  int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("get_slice_from_memview", 0);
+  int __pyx_t_3;
+  int __pyx_t_4;
 
-  /* "View.MemoryView":1055
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- *     cdef _memoryviewslice obj
- *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
- *         obj = memview
- *         return &obj.from_slice
+  /* "View.MemoryView":1193
+ *     cdef int idx
+ * 
+ *     if order == 'F':             # <<<<<<<<<<<<<<
+ *         for idx in range(ndim):
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-  __pyx_t_1 = __Pyx_TypeCheck(((PyObject *)__pyx_v_memview), __pyx_memoryviewslice_type); 
-  __pyx_t_2 = (__pyx_t_1 != 0);
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+  __pyx_t_1 = (__pyx_v_order == 'F');
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-    /* "View.MemoryView":1056
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- *         return &obj.from_slice
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-    __pyx_v_obj = ((struct __pyx_memoryviewslice_obj *)__pyx_t_3);
-    __pyx_t_3 = 0;
+    /* "View.MemoryView":1194
+ * 
+ *     if order == 'F':
+ *         for idx in range(ndim):             # <<<<<<<<<<<<<<
+ *             strides[idx] = stride
+ *             stride *= shape[idx]
+ */
+    __pyx_t_2 = __pyx_v_ndim;
+    __pyx_t_3 = __pyx_t_2;
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+      __pyx_v_idx = __pyx_t_4;
 
-    /* "View.MemoryView":1057
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- *         obj = memview
- *         return &obj.from_slice             # <<<<<<<<<<<<<<
+      /* "View.MemoryView":1195
+ *     if order == 'F':
+ *         for idx in range(ndim):
+ *             strides[idx] = stride             # <<<<<<<<<<<<<<
+ *             stride *= shape[idx]
  *     else:
- *         slice_copy(memview, mslice)
  */
-    __pyx_r = (&__pyx_v_obj->from_slice);
-    goto __pyx_L0;
+      (__pyx_v_strides[__pyx_v_idx]) = __pyx_v_stride;
 
-    /* "View.MemoryView":1055
- *                                                    __Pyx_memviewslice *mslice) except NULL:
- *     cdef _memoryviewslice obj
- *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
- *         obj = memview
- *         return &obj.from_slice
+      /* "View.MemoryView":1196
+ *         for idx in range(ndim):
+ *             strides[idx] = stride
+ *             stride *= shape[idx]             # <<<<<<<<<<<<<<
+ *     else:
+ *         for idx in range(ndim - 1, -1, -1):
+ */
+      __pyx_v_stride = (__pyx_v_stride * (__pyx_v_shape[__pyx_v_idx]));
+    }
+
+    /* "View.MemoryView":1193
+ *     cdef int idx
+ * 
+ *     if order == 'F':             # <<<<<<<<<<<<<<
+ *         for idx in range(ndim):
+ *             strides[idx] = stride
  */
+    goto __pyx_L3;
   }
 
-  /* "View.MemoryView":1059
- *         return &obj.from_slice
+  /* "View.MemoryView":1198
+ *             stride *= shape[idx]
  *     else:
- *         slice_copy(memview, mslice)             # <<<<<<<<<<<<<<
- *         return mslice
- * 
+ *         for idx in range(ndim - 1, -1, -1):             # <<<<<<<<<<<<<<
+ *             strides[idx] = stride
+ *             stride *= shape[idx]
  */
   /*else*/ {
-    __pyx_memoryview_slice_copy(__pyx_v_memview, __pyx_v_mslice);
+    for (__pyx_t_2 = (__pyx_v_ndim - 1); __pyx_t_2 > -1; __pyx_t_2-=1) {
+      __pyx_v_idx = __pyx_t_2;
 
-    /* "View.MemoryView":1060
+      /* "View.MemoryView":1199
  *     else:
- *         slice_copy(memview, mslice)
- *         return mslice             # <<<<<<<<<<<<<<
+ *         for idx in range(ndim - 1, -1, -1):
+ *             strides[idx] = stride             # <<<<<<<<<<<<<<
+ *             stride *= shape[idx]
  * 
- * @cname('__pyx_memoryview_slice_copy')
  */
-    __pyx_r = __pyx_v_mslice;
-    goto __pyx_L0;
+      (__pyx_v_strides[__pyx_v_idx]) = __pyx_v_stride;
+
+      /* "View.MemoryView":1200
+ *         for idx in range(ndim - 1, -1, -1):
+ *             strides[idx] = stride
+ *             stride *= shape[idx]             # <<<<<<<<<<<<<<
+ * 
+ *     return stride
+ */
+      __pyx_v_stride = (__pyx_v_stride * (__pyx_v_shape[__pyx_v_idx]));
+    }
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+  __pyx_L3:;
 
-  /* "View.MemoryView":1052
+  /* "View.MemoryView":1202
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- * @cname('__pyx_memoryview_get_slice_from_memoryview')
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- *                                                    __Pyx_memviewslice *mslice) except NULL:
- *     cdef _memoryviewslice obj
+ *     return stride             # <<<<<<<<<<<<<<
+ * 
+ * @cname('__pyx_memoryview_copy_data_to_temp')
+ */
+  __pyx_r = __pyx_v_stride;
+  goto __pyx_L0;
+
+  /* "View.MemoryView":1184
+ * 
+ * @cname('__pyx_fill_contig_strides_array')
+ * cdef Py_ssize_t fill_contig_strides_array(             # <<<<<<<<<<<<<<
+ *                 Py_ssize_t *shape, Py_ssize_t *strides, Py_ssize_t stride,
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-/* "View.MemoryView":1063
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- * cdef void slice_copy(memoryview memview, __Pyx_memviewslice *dst):             # <<<<<<<<<<<<<<
- *     cdef int dim
- *     cdef (Py_ssize_t*) shape, strides, suboffsets
+ * @cname('__pyx_memoryview_copy_data_to_temp')
+ * cdef void *copy_data_to_temp(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
+ *                              __Pyx_memviewslice *tmpslice,
+ *                              char order,
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-static void __pyx_memoryview_slice_copy(struct __pyx_memoryview_obj *__pyx_v_memview, __Pyx_memviewslice *__pyx_v_dst) {
-  int __pyx_v_dim;
-  Py_ssize_t *__pyx_v_shape;
-  Py_ssize_t *__pyx_v_strides;
-  Py_ssize_t *__pyx_v_suboffsets;
-  __Pyx_RefNannyDeclarations
-  Py_ssize_t *__pyx_t_1;
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+  int __pyx_v_i;
+  void *__pyx_v_result;
+  size_t __pyx_v_itemsize;
+  size_t __pyx_v_size;
+  void *__pyx_r;
+  Py_ssize_t __pyx_t_1;
   int __pyx_t_2;
   int __pyx_t_3;
-  int __pyx_t_4;
-  Py_ssize_t __pyx_t_5;
-  __Pyx_RefNannySetupContext("slice_copy", 0);
+  struct __pyx_memoryview_obj *__pyx_t_4;
+  int __pyx_t_5;
+  int __pyx_t_6;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
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+  /* "View.MemoryView":1216
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+ *     cdef size_t size = slice_get_size(src, ndim)
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- *     shape = memview.view.shape             # <<<<<<<<<<<<<<
- *     strides = memview.view.strides
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-  __pyx_t_1 = __pyx_v_memview->view.shape;
-  __pyx_v_shape = __pyx_t_1;
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- *     shape = memview.view.shape
- *     strides = memview.view.strides             # <<<<<<<<<<<<<<
- *     suboffsets = memview.view.suboffsets
+ *     cdef size_t itemsize = src.memview.view.itemsize
+ *     cdef size_t size = slice_get_size(src, ndim)             # <<<<<<<<<<<<<<
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+ *     result = malloc(size)
  */
-  __pyx_t_1 = __pyx_v_memview->view.strides;
-  __pyx_v_strides = __pyx_t_1;
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- *     strides = memview.view.strides
- *     suboffsets = memview.view.suboffsets             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1219
+ *     cdef size_t size = slice_get_size(src, ndim)
  * 
- *     dst.memview = <__pyx_memoryview *> memview
+ *     result = malloc(size)             # <<<<<<<<<<<<<<
+ *     if not result:
+ *         _err_no_memory()
  */
-  __pyx_t_1 = __pyx_v_memview->view.suboffsets;
-  __pyx_v_suboffsets = __pyx_t_1;
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-  /* "View.MemoryView":1071
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+  /* "View.MemoryView":1220
  * 
- *     dst.memview = <__pyx_memoryview *> memview             # <<<<<<<<<<<<<<
- *     dst.data = <char *> memview.view.buf
+ *     result = malloc(size)
+ *     if not result:             # <<<<<<<<<<<<<<
+ *         _err_no_memory()
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  */
-  __pyx_v_dst->memview = ((struct __pyx_memoryview_obj *)__pyx_v_memview);
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-  /* "View.MemoryView":1072
+    /* "View.MemoryView":1221
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+ *         _err_no_memory()             # <<<<<<<<<<<<<<
  * 
- *     dst.memview = <__pyx_memoryview *> memview
- *     dst.data = <char *> memview.view.buf             # <<<<<<<<<<<<<<
  * 
- *     for dim in range(memview.view.ndim):
  */
-  __pyx_v_dst->data = ((char *)__pyx_v_memview->view.buf);
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-  /* "View.MemoryView":1074
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+    /* "View.MemoryView":1220
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+ *     result = malloc(size)
+ *     if not result:             # <<<<<<<<<<<<<<
+ *         _err_no_memory()
  * 
- *     for dim in range(memview.view.ndim):             # <<<<<<<<<<<<<<
- *         dst.shape[dim] = shape[dim]
- *         dst.strides[dim] = strides[dim]
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-  __pyx_t_3 = __pyx_t_2;
-  for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
-    __pyx_v_dim = __pyx_t_4;
+  }
 
-    /* "View.MemoryView":1075
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- *     for dim in range(memview.view.ndim):
- *         dst.shape[dim] = shape[dim]             # <<<<<<<<<<<<<<
- *         dst.strides[dim] = strides[dim]
- *         dst.suboffsets[dim] = suboffsets[dim] if suboffsets else -1
+ * 
+ *     tmpslice.data = <char *> result             # <<<<<<<<<<<<<<
+ *     tmpslice.memview = src.memview
+ *     for i in range(ndim):
  */
-    (__pyx_v_dst->shape[__pyx_v_dim]) = (__pyx_v_shape[__pyx_v_dim]);
+  __pyx_v_tmpslice->data = ((char *)__pyx_v_result);
 
-    /* "View.MemoryView":1076
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- *         dst.strides[dim] = strides[dim]             # <<<<<<<<<<<<<<
- *         dst.suboffsets[dim] = suboffsets[dim] if suboffsets else -1
+  /* "View.MemoryView":1225
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+ *     tmpslice.data = <char *> result
+ *     tmpslice.memview = src.memview             # <<<<<<<<<<<<<<
+ *     for i in range(ndim):
+ *         tmpslice.shape[i] = src.shape[i]
  */
-    (__pyx_v_dst->strides[__pyx_v_dim]) = (__pyx_v_strides[__pyx_v_dim]);
+  __pyx_t_4 = __pyx_v_src->memview;
+  __pyx_v_tmpslice->memview = __pyx_t_4;
 
-    /* "View.MemoryView":1077
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- *         dst.strides[dim] = strides[dim]
- *         dst.suboffsets[dim] = suboffsets[dim] if suboffsets else -1             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1226
+ *     tmpslice.data = <char *> result
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+ *     for i in range(ndim):             # <<<<<<<<<<<<<<
+ *         tmpslice.shape[i] = src.shape[i]
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+ */
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+    __pyx_v_i = __pyx_t_6;
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+    /* "View.MemoryView":1227
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+ *     for i in range(ndim):
+ *         tmpslice.shape[i] = src.shape[i]             # <<<<<<<<<<<<<<
+ *         tmpslice.suboffsets[i] = -1
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-  /* "View.MemoryView":1063
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+ *         tmpslice.suboffsets[i] = -1             # <<<<<<<<<<<<<<
  * 
- * @cname('__pyx_memoryview_slice_copy')
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- *     cdef int dim
- *     cdef (Py_ssize_t*) shape, strides, suboffsets
+ *     fill_contig_strides_array(&tmpslice.shape[0], &tmpslice.strides[0], itemsize, ndim, order)
  */
+    (__pyx_v_tmpslice->suboffsets[__pyx_v_i]) = -1L;
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- * @cname('__pyx_memoryview_copy_object')
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-static PyObject *__pyx_memoryview_copy_object(struct __pyx_memoryview_obj *__pyx_v_memview) {
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  * 
  */
-  __pyx_memoryview_slice_copy(__pyx_v_memview, (&__pyx_v_memviewslice));
+  (void)(__pyx_fill_contig_strides_array((&(__pyx_v_tmpslice->shape[0])), (&(__pyx_v_tmpslice->strides[0])), __pyx_v_itemsize, __pyx_v_ndim, __pyx_v_order));
 
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+ *     for i in range(ndim):             # <<<<<<<<<<<<<<
+ *         if tmpslice.shape[i] == 1:
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-  /* "View.MemoryView":1080
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- *     cdef __Pyx_memviewslice memviewslice
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+static int __pyx_memoryview_err(PyObject *__pyx_v_error, PyObject *__pyx_v_msg) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  #ifdef WITH_THREAD
+  PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
+  #endif
+  __Pyx_RefNannySetupContext("_err", 0);
+  __Pyx_INCREF(__pyx_v_msg);
 
-  /* "View.MemoryView":1129
- *             break
+  /* "View.MemoryView":1257
+ * @cname('__pyx_memoryview_err')
+ * cdef int _err(PyObject *error, str msg) except -1 with gil:
+ *     raise <object>error, msg             # <<<<<<<<<<<<<<
  * 
- *     for i in range(ndim):             # <<<<<<<<<<<<<<
- *         if mslice.shape[i] > 1:
- *             f_stride = mslice.strides[i]
+ * @cname('__pyx_memoryview_err_no_memory')
  */
-  __pyx_t_1 = __pyx_v_ndim;
-  __pyx_t_3 = __pyx_t_1;
-  for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
-    __pyx_v_i = __pyx_t_4;
+  __Pyx_Raise(((PyObject *)__pyx_v_error), __pyx_v_msg, 0, 0);
+  __PYX_ERR(1, 1257, __pyx_L1_error)
 
-    /* "View.MemoryView":1130
+  /* "View.MemoryView":1256
  * 
- *     for i in range(ndim):
- *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
- *             f_stride = mslice.strides[i]
- *             break
- */
-    __pyx_t_2 = (((__pyx_v_mslice->shape[__pyx_v_i]) > 1) != 0);
-    if (__pyx_t_2) {
-
-      /* "View.MemoryView":1131
- *     for i in range(ndim):
- *         if mslice.shape[i] > 1:
- *             f_stride = mslice.strides[i]             # <<<<<<<<<<<<<<
- *             break
+ * @cname('__pyx_memoryview_err')
+ * cdef int _err(PyObject *error, str msg) except -1 with gil:             # <<<<<<<<<<<<<<
+ *     raise <object>error, msg
  * 
  */
-      __pyx_v_f_stride = (__pyx_v_mslice->strides[__pyx_v_i]);
 
-      /* "View.MemoryView":1132
- *         if mslice.shape[i] > 1:
- *             f_stride = mslice.strides[i]
- *             break             # <<<<<<<<<<<<<<
- * 
- *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):
- */
-      goto __pyx_L7_break;
+  /* function exit code */
+  __pyx_L1_error:;
+  __Pyx_AddTraceback("View.MemoryView._err", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
+  __Pyx_XDECREF(__pyx_v_msg);
+  __Pyx_RefNannyFinishContext();
+  #ifdef WITH_THREAD
+  __Pyx_PyGILState_Release(__pyx_gilstate_save);
+  #endif
+  return __pyx_r;
+}
 
-      /* "View.MemoryView":1130
+/* "View.MemoryView":1260
  * 
- *     for i in range(ndim):
- *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
- *             f_stride = mslice.strides[i]
- *             break
- */
-    }
-  }
-  __pyx_L7_break:;
-
-  /* "View.MemoryView":1134
- *             break
+ * @cname('__pyx_memoryview_err_no_memory')
+ * cdef int _err_no_memory() except -1 with gil:             # <<<<<<<<<<<<<<
+ *     raise MemoryError
  * 
- *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):             # <<<<<<<<<<<<<<
- *         return 'C'
- *     else:
  */
-  __pyx_t_2 = ((abs_py_ssize_t(__pyx_v_c_stride) <= abs_py_ssize_t(__pyx_v_f_stride)) != 0);
-  if (__pyx_t_2) {
 
-    /* "View.MemoryView":1135
- * 
- *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):
- *         return 'C'             # <<<<<<<<<<<<<<
- *     else:
- *         return 'F'
- */
-    __pyx_r = 'C';
-    goto __pyx_L0;
+static int __pyx_memoryview_err_no_memory(void) {
+  int __pyx_r;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  #ifdef WITH_THREAD
+  PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
+  #endif
 
-    /* "View.MemoryView":1134
- *             break
+  /* "View.MemoryView":1261
+ * @cname('__pyx_memoryview_err_no_memory')
+ * cdef int _err_no_memory() except -1 with gil:
+ *     raise MemoryError             # <<<<<<<<<<<<<<
  * 
- *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):             # <<<<<<<<<<<<<<
- *         return 'C'
- *     else:
- */
-  }
-
-  /* "View.MemoryView":1137
- *         return 'C'
- *     else:
- *         return 'F'             # <<<<<<<<<<<<<<
  * 
- * @cython.cdivision(True)
  */
-  /*else*/ {
-    __pyx_r = 'F';
-    goto __pyx_L0;
-  }
+  PyErr_NoMemory(); __PYX_ERR(1, 1261, __pyx_L1_error)
 
-  /* "View.MemoryView":1116
+  /* "View.MemoryView":1260
+ * 
+ * @cname('__pyx_memoryview_err_no_memory')
+ * cdef int _err_no_memory() except -1 with gil:             # <<<<<<<<<<<<<<
+ *     raise MemoryError
  * 
- * @cname('__pyx_get_best_slice_order')
- * cdef char get_best_order(__Pyx_memviewslice *mslice, int ndim) nogil:             # <<<<<<<<<<<<<<
- *     """
- *     Figure out the best memory access order for a given slice.
  */
 
   /* function exit code */
-  __pyx_L0:;
+  __pyx_L1_error:;
+  __Pyx_AddTraceback("View.MemoryView._err_no_memory", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
+  #ifdef WITH_THREAD
+  __Pyx_PyGILState_Release(__pyx_gilstate_save);
+  #endif
   return __pyx_r;
 }
 
-/* "View.MemoryView":1140
+/* "View.MemoryView":1265
  * 
- * @cython.cdivision(True)
- * cdef void _copy_strided_to_strided(char *src_data, Py_ssize_t *src_strides,             # <<<<<<<<<<<<<<
- *                                    char *dst_data, Py_ssize_t *dst_strides,
- *                                    Py_ssize_t *src_shape, Py_ssize_t *dst_shape,
+ * @cname('__pyx_memoryview_copy_contents')
+ * cdef int memoryview_copy_contents(__Pyx_memviewslice src,             # <<<<<<<<<<<<<<
+ *                                   __Pyx_memviewslice dst,
+ *                                   int src_ndim, int dst_ndim,
  */
 
-static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v_src_strides, char *__pyx_v_dst_data, Py_ssize_t *__pyx_v_dst_strides, Py_ssize_t *__pyx_v_src_shape, Py_ssize_t *__pyx_v_dst_shape, int __pyx_v_ndim, size_t __pyx_v_itemsize) {
-  CYTHON_UNUSED Py_ssize_t __pyx_v_i;
-  CYTHON_UNUSED Py_ssize_t __pyx_v_src_extent;
-  Py_ssize_t __pyx_v_dst_extent;
-  Py_ssize_t __pyx_v_src_stride;
-  Py_ssize_t __pyx_v_dst_stride;
-  int __pyx_t_1;
+static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_memviewslice __pyx_v_dst, int __pyx_v_src_ndim, int __pyx_v_dst_ndim, int __pyx_v_dtype_is_object) {
+  void *__pyx_v_tmpdata;
+  size_t __pyx_v_itemsize;
+  int __pyx_v_i;
+  char __pyx_v_order;
+  int __pyx_v_broadcasting;
+  int __pyx_v_direct_copy;
+  __Pyx_memviewslice __pyx_v_tmp;
+  int __pyx_v_ndim;
+  int __pyx_r;
+  Py_ssize_t __pyx_t_1;
   int __pyx_t_2;
   int __pyx_t_3;
-  Py_ssize_t __pyx_t_4;
-  Py_ssize_t __pyx_t_5;
-  Py_ssize_t __pyx_t_6;
+  int __pyx_t_4;
+  int __pyx_t_5;
+  int __pyx_t_6;
+  void *__pyx_t_7;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  #ifdef WITH_THREAD
+  PyGILState_STATE __pyx_gilstate_save;
+  #endif
 
-  /* "View.MemoryView":1147
- * 
- *     cdef Py_ssize_t i
- *     cdef Py_ssize_t src_extent = src_shape[0]             # <<<<<<<<<<<<<<
- *     cdef Py_ssize_t dst_extent = dst_shape[0]
- *     cdef Py_ssize_t src_stride = src_strides[0]
+  /* "View.MemoryView":1273
+ *     Check for overlapping memory and verify the shapes.
+ *     """
+ *     cdef void *tmpdata = NULL             # <<<<<<<<<<<<<<
+ *     cdef size_t itemsize = src.memview.view.itemsize
+ *     cdef int i
  */
-  __pyx_v_src_extent = (__pyx_v_src_shape[0]);
+  __pyx_v_tmpdata = NULL;
 
-  /* "View.MemoryView":1148
- *     cdef Py_ssize_t i
- *     cdef Py_ssize_t src_extent = src_shape[0]
- *     cdef Py_ssize_t dst_extent = dst_shape[0]             # <<<<<<<<<<<<<<
- *     cdef Py_ssize_t src_stride = src_strides[0]
- *     cdef Py_ssize_t dst_stride = dst_strides[0]
+  /* "View.MemoryView":1274
+ *     """
+ *     cdef void *tmpdata = NULL
+ *     cdef size_t itemsize = src.memview.view.itemsize             # <<<<<<<<<<<<<<
+ *     cdef int i
+ *     cdef char order = get_best_order(&src, src_ndim)
  */
-  __pyx_v_dst_extent = (__pyx_v_dst_shape[0]);
+  __pyx_t_1 = __pyx_v_src.memview->view.itemsize;
+  __pyx_v_itemsize = __pyx_t_1;
 
-  /* "View.MemoryView":1149
- *     cdef Py_ssize_t src_extent = src_shape[0]
- *     cdef Py_ssize_t dst_extent = dst_shape[0]
- *     cdef Py_ssize_t src_stride = src_strides[0]             # <<<<<<<<<<<<<<
- *     cdef Py_ssize_t dst_stride = dst_strides[0]
- * 
+  /* "View.MemoryView":1276
+ *     cdef size_t itemsize = src.memview.view.itemsize
+ *     cdef int i
+ *     cdef char order = get_best_order(&src, src_ndim)             # <<<<<<<<<<<<<<
+ *     cdef bint broadcasting = False
+ *     cdef bint direct_copy = False
  */
-  __pyx_v_src_stride = (__pyx_v_src_strides[0]);
+  __pyx_v_order = __pyx_get_best_slice_order((&__pyx_v_src), __pyx_v_src_ndim);
 
-  /* "View.MemoryView":1150
- *     cdef Py_ssize_t dst_extent = dst_shape[0]
- *     cdef Py_ssize_t src_stride = src_strides[0]
- *     cdef Py_ssize_t dst_stride = dst_strides[0]             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1277
+ *     cdef int i
+ *     cdef char order = get_best_order(&src, src_ndim)
+ *     cdef bint broadcasting = False             # <<<<<<<<<<<<<<
+ *     cdef bint direct_copy = False
+ *     cdef __Pyx_memviewslice tmp
+ */
+  __pyx_v_broadcasting = 0;
+
+  /* "View.MemoryView":1278
+ *     cdef char order = get_best_order(&src, src_ndim)
+ *     cdef bint broadcasting = False
+ *     cdef bint direct_copy = False             # <<<<<<<<<<<<<<
+ *     cdef __Pyx_memviewslice tmp
  * 
- *     if ndim == 1:
  */
-  __pyx_v_dst_stride = (__pyx_v_dst_strides[0]);
+  __pyx_v_direct_copy = 0;
 
-  /* "View.MemoryView":1152
- *     cdef Py_ssize_t dst_stride = dst_strides[0]
+  /* "View.MemoryView":1281
+ *     cdef __Pyx_memviewslice tmp
  * 
- *     if ndim == 1:             # <<<<<<<<<<<<<<
- *        if (src_stride > 0 and dst_stride > 0 and
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *     if src_ndim < dst_ndim:             # <<<<<<<<<<<<<<
+ *         broadcast_leading(&src, src_ndim, dst_ndim)
+ *     elif dst_ndim < src_ndim:
  */
-  __pyx_t_1 = ((__pyx_v_ndim == 1) != 0);
-  if (__pyx_t_1) {
+  __pyx_t_2 = (__pyx_v_src_ndim < __pyx_v_dst_ndim);
+  if (__pyx_t_2) {
 
-    /* "View.MemoryView":1153
+    /* "View.MemoryView":1282
  * 
- *     if ndim == 1:
- *        if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
+ *     if src_ndim < dst_ndim:
+ *         broadcast_leading(&src, src_ndim, dst_ndim)             # <<<<<<<<<<<<<<
+ *     elif dst_ndim < src_ndim:
+ *         broadcast_leading(&dst, dst_ndim, src_ndim)
  */
-    __pyx_t_2 = ((__pyx_v_src_stride > 0) != 0);
-    if (__pyx_t_2) {
-    } else {
-      __pyx_t_1 = __pyx_t_2;
-      goto __pyx_L5_bool_binop_done;
-    }
-    __pyx_t_2 = ((__pyx_v_dst_stride > 0) != 0);
-    if (__pyx_t_2) {
-    } else {
-      __pyx_t_1 = __pyx_t_2;
-      goto __pyx_L5_bool_binop_done;
-    }
+    __pyx_memoryview_broadcast_leading((&__pyx_v_src), __pyx_v_src_ndim, __pyx_v_dst_ndim);
 
-    /* "View.MemoryView":1154
- *     if ndim == 1:
- *        if (src_stride > 0 and dst_stride > 0 and
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):             # <<<<<<<<<<<<<<
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
- *        else:
+    /* "View.MemoryView":1281
+ *     cdef __Pyx_memviewslice tmp
+ * 
+ *     if src_ndim < dst_ndim:             # <<<<<<<<<<<<<<
+ *         broadcast_leading(&src, src_ndim, dst_ndim)
+ *     elif dst_ndim < src_ndim:
  */
-    __pyx_t_2 = (((size_t)__pyx_v_src_stride) == __pyx_v_itemsize);
-    if (__pyx_t_2) {
-      __pyx_t_2 = (__pyx_v_itemsize == ((size_t)__pyx_v_dst_stride));
-    }
-    __pyx_t_3 = (__pyx_t_2 != 0);
-    __pyx_t_1 = __pyx_t_3;
-    __pyx_L5_bool_binop_done:;
+    goto __pyx_L3;
+  }
 
-    /* "View.MemoryView":1153
+  /* "View.MemoryView":1283
+ *     if src_ndim < dst_ndim:
+ *         broadcast_leading(&src, src_ndim, dst_ndim)
+ *     elif dst_ndim < src_ndim:             # <<<<<<<<<<<<<<
+ *         broadcast_leading(&dst, dst_ndim, src_ndim)
  * 
- *     if ndim == 1:
- *        if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
  */
-    if (__pyx_t_1) {
+  __pyx_t_2 = (__pyx_v_dst_ndim < __pyx_v_src_ndim);
+  if (__pyx_t_2) {
 
-      /* "View.MemoryView":1155
- *        if (src_stride > 0 and dst_stride > 0 and
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
- *            memcpy(dst_data, src_data, itemsize * dst_extent)             # <<<<<<<<<<<<<<
- *        else:
- *            for i in range(dst_extent):
+    /* "View.MemoryView":1284
+ *         broadcast_leading(&src, src_ndim, dst_ndim)
+ *     elif dst_ndim < src_ndim:
+ *         broadcast_leading(&dst, dst_ndim, src_ndim)             # <<<<<<<<<<<<<<
+ * 
+ *     cdef int ndim = max(src_ndim, dst_ndim)
  */
-      (void)(memcpy(__pyx_v_dst_data, __pyx_v_src_data, (__pyx_v_itemsize * __pyx_v_dst_extent)));
+    __pyx_memoryview_broadcast_leading((&__pyx_v_dst), __pyx_v_dst_ndim, __pyx_v_src_ndim);
 
-      /* "View.MemoryView":1153
+    /* "View.MemoryView":1283
+ *     if src_ndim < dst_ndim:
+ *         broadcast_leading(&src, src_ndim, dst_ndim)
+ *     elif dst_ndim < src_ndim:             # <<<<<<<<<<<<<<
+ *         broadcast_leading(&dst, dst_ndim, src_ndim)
  * 
- *     if ndim == 1:
- *        if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
  */
-      goto __pyx_L4;
-    }
+  }
+  __pyx_L3:;
 
-    /* "View.MemoryView":1157
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
- *        else:
- *            for i in range(dst_extent):             # <<<<<<<<<<<<<<
- *                memcpy(dst_data, src_data, itemsize)
- *                src_data += src_stride
+  /* "View.MemoryView":1286
+ *         broadcast_leading(&dst, dst_ndim, src_ndim)
+ * 
+ *     cdef int ndim = max(src_ndim, dst_ndim)             # <<<<<<<<<<<<<<
+ * 
+ *     for i in range(ndim):
  */
-    /*else*/ {
-      __pyx_t_4 = __pyx_v_dst_extent;
-      __pyx_t_5 = __pyx_t_4;
-      for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
-        __pyx_v_i = __pyx_t_6;
-
-        /* "View.MemoryView":1158
- *        else:
- *            for i in range(dst_extent):
- *                memcpy(dst_data, src_data, itemsize)             # <<<<<<<<<<<<<<
- *                src_data += src_stride
- *                dst_data += dst_stride
+  __pyx_t_3 = __pyx_v_dst_ndim;
+  __pyx_t_4 = __pyx_v_src_ndim;
+  __pyx_t_2 = (__pyx_t_3 > __pyx_t_4);
+  if (__pyx_t_2) {
+    __pyx_t_5 = __pyx_t_3;
+  } else {
+    __pyx_t_5 = __pyx_t_4;
+  }
+  __pyx_v_ndim = __pyx_t_5;
+
+  /* "View.MemoryView":1288
+ *     cdef int ndim = max(src_ndim, dst_ndim)
+ * 
+ *     for i in range(ndim):             # <<<<<<<<<<<<<<
+ *         if src.shape[i] != dst.shape[i]:
+ *             if src.shape[i] == 1:
  */
-        (void)(memcpy(__pyx_v_dst_data, __pyx_v_src_data, __pyx_v_itemsize));
+  __pyx_t_5 = __pyx_v_ndim;
+  __pyx_t_3 = __pyx_t_5;
+  for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
+    __pyx_v_i = __pyx_t_4;
 
-        /* "View.MemoryView":1159
- *            for i in range(dst_extent):
- *                memcpy(dst_data, src_data, itemsize)
- *                src_data += src_stride             # <<<<<<<<<<<<<<
- *                dst_data += dst_stride
- *     else:
+    /* "View.MemoryView":1289
+ * 
+ *     for i in range(ndim):
+ *         if src.shape[i] != dst.shape[i]:             # <<<<<<<<<<<<<<
+ *             if src.shape[i] == 1:
+ *                 broadcasting = True
  */
-        __pyx_v_src_data = (__pyx_v_src_data + __pyx_v_src_stride);
+    __pyx_t_2 = ((__pyx_v_src.shape[__pyx_v_i]) != (__pyx_v_dst.shape[__pyx_v_i]));
+    if (__pyx_t_2) {
 
-        /* "View.MemoryView":1160
- *                memcpy(dst_data, src_data, itemsize)
- *                src_data += src_stride
- *                dst_data += dst_stride             # <<<<<<<<<<<<<<
- *     else:
- *         for i in range(dst_extent):
+      /* "View.MemoryView":1290
+ *     for i in range(ndim):
+ *         if src.shape[i] != dst.shape[i]:
+ *             if src.shape[i] == 1:             # <<<<<<<<<<<<<<
+ *                 broadcasting = True
+ *                 src.strides[i] = 0
  */
-        __pyx_v_dst_data = (__pyx_v_dst_data + __pyx_v_dst_stride);
-      }
-    }
-    __pyx_L4:;
+      __pyx_t_2 = ((__pyx_v_src.shape[__pyx_v_i]) == 1);
+      if (__pyx_t_2) {
 
-    /* "View.MemoryView":1152
- *     cdef Py_ssize_t dst_stride = dst_strides[0]
- * 
- *     if ndim == 1:             # <<<<<<<<<<<<<<
- *        if (src_stride > 0 and dst_stride > 0 and
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
+        /* "View.MemoryView":1291
+ *         if src.shape[i] != dst.shape[i]:
+ *             if src.shape[i] == 1:
+ *                 broadcasting = True             # <<<<<<<<<<<<<<
+ *                 src.strides[i] = 0
+ *             else:
  */
-    goto __pyx_L3;
-  }
+        __pyx_v_broadcasting = 1;
 
-  /* "View.MemoryView":1162
- *                dst_data += dst_stride
- *     else:
- *         for i in range(dst_extent):             # <<<<<<<<<<<<<<
- *             _copy_strided_to_strided(src_data, src_strides + 1,
- *                                      dst_data, dst_strides + 1,
+        /* "View.MemoryView":1292
+ *             if src.shape[i] == 1:
+ *                 broadcasting = True
+ *                 src.strides[i] = 0             # <<<<<<<<<<<<<<
+ *             else:
+ *                 _err_extents(i, dst.shape[i], src.shape[i])
  */
-  /*else*/ {
-    __pyx_t_4 = __pyx_v_dst_extent;
-    __pyx_t_5 = __pyx_t_4;
-    for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
-      __pyx_v_i = __pyx_t_6;
+        (__pyx_v_src.strides[__pyx_v_i]) = 0;
 
-      /* "View.MemoryView":1163
- *     else:
- *         for i in range(dst_extent):
- *             _copy_strided_to_strided(src_data, src_strides + 1,             # <<<<<<<<<<<<<<
- *                                      dst_data, dst_strides + 1,
- *                                      src_shape + 1, dst_shape + 1,
+        /* "View.MemoryView":1290
+ *     for i in range(ndim):
+ *         if src.shape[i] != dst.shape[i]:
+ *             if src.shape[i] == 1:             # <<<<<<<<<<<<<<
+ *                 broadcasting = True
+ *                 src.strides[i] = 0
  */
-      _copy_strided_to_strided(__pyx_v_src_data, (__pyx_v_src_strides + 1), __pyx_v_dst_data, (__pyx_v_dst_strides + 1), (__pyx_v_src_shape + 1), (__pyx_v_dst_shape + 1), (__pyx_v_ndim - 1), __pyx_v_itemsize);
+        goto __pyx_L7;
+      }
 
-      /* "View.MemoryView":1167
- *                                      src_shape + 1, dst_shape + 1,
- *                                      ndim - 1, itemsize)
- *             src_data += src_stride             # <<<<<<<<<<<<<<
- *             dst_data += dst_stride
+      /* "View.MemoryView":1294
+ *                 src.strides[i] = 0
+ *             else:
+ *                 _err_extents(i, dst.shape[i], src.shape[i])             # <<<<<<<<<<<<<<
  * 
+ *         if src.suboffsets[i] >= 0:
  */
-      __pyx_v_src_data = (__pyx_v_src_data + __pyx_v_src_stride);
+      /*else*/ {
+        __pyx_t_6 = __pyx_memoryview_err_extents(__pyx_v_i, (__pyx_v_dst.shape[__pyx_v_i]), (__pyx_v_src.shape[__pyx_v_i])); if (unlikely(__pyx_t_6 == ((int)-1))) __PYX_ERR(1, 1294, __pyx_L1_error)
+      }
+      __pyx_L7:;
 
-      /* "View.MemoryView":1168
- *                                      ndim - 1, itemsize)
- *             src_data += src_stride
- *             dst_data += dst_stride             # <<<<<<<<<<<<<<
+      /* "View.MemoryView":1289
  * 
- * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,
+ *     for i in range(ndim):
+ *         if src.shape[i] != dst.shape[i]:             # <<<<<<<<<<<<<<
+ *             if src.shape[i] == 1:
+ *                 broadcasting = True
  */
-      __pyx_v_dst_data = (__pyx_v_dst_data + __pyx_v_dst_stride);
     }
-  }
-  __pyx_L3:;
 
-  /* "View.MemoryView":1140
+    /* "View.MemoryView":1296
+ *                 _err_extents(i, dst.shape[i], src.shape[i])
+ * 
+ *         if src.suboffsets[i] >= 0:             # <<<<<<<<<<<<<<
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)
  * 
- * @cython.cdivision(True)
- * cdef void _copy_strided_to_strided(char *src_data, Py_ssize_t *src_strides,             # <<<<<<<<<<<<<<
- *                                    char *dst_data, Py_ssize_t *dst_strides,
- *                                    Py_ssize_t *src_shape, Py_ssize_t *dst_shape,
  */
+    __pyx_t_2 = ((__pyx_v_src.suboffsets[__pyx_v_i]) >= 0);
+    if (__pyx_t_2) {
 
-  /* function exit code */
-}
-
-/* "View.MemoryView":1170
- *             dst_data += dst_stride
+      /* "View.MemoryView":1297
  * 
- * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
- *                                   __Pyx_memviewslice *dst,
- *                                   int ndim, size_t itemsize) nogil:
+ *         if src.suboffsets[i] >= 0:
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)             # <<<<<<<<<<<<<<
+ * 
+ *     if slices_overlap(&src, &dst, ndim, itemsize):
  */
+      __pyx_t_6 = __pyx_memoryview_err_dim(PyExc_ValueError, __pyx_kp_s_Dimension_d_is_not_direct, __pyx_v_i); if (unlikely(__pyx_t_6 == ((int)-1))) __PYX_ERR(1, 1297, __pyx_L1_error)
 
-static void copy_strided_to_strided(__Pyx_memviewslice *__pyx_v_src, __Pyx_memviewslice *__pyx_v_dst, int __pyx_v_ndim, size_t __pyx_v_itemsize) {
-
-  /* "View.MemoryView":1173
- *                                   __Pyx_memviewslice *dst,
- *                                   int ndim, size_t itemsize) nogil:
- *     _copy_strided_to_strided(src.data, src.strides, dst.data, dst.strides,             # <<<<<<<<<<<<<<
- *                              src.shape, dst.shape, ndim, itemsize)
+      /* "View.MemoryView":1296
+ *                 _err_extents(i, dst.shape[i], src.shape[i])
+ * 
+ *         if src.suboffsets[i] >= 0:             # <<<<<<<<<<<<<<
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)
  * 
  */
-  _copy_strided_to_strided(__pyx_v_src->data, __pyx_v_src->strides, __pyx_v_dst->data, __pyx_v_dst->strides, __pyx_v_src->shape, __pyx_v_dst->shape, __pyx_v_ndim, __pyx_v_itemsize);
+    }
+  }
 
-  /* "View.MemoryView":1170
- *             dst_data += dst_stride
+  /* "View.MemoryView":1299
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)
  * 
- * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
- *                                   __Pyx_memviewslice *dst,
- *                                   int ndim, size_t itemsize) nogil:
+ *     if slices_overlap(&src, &dst, ndim, itemsize):             # <<<<<<<<<<<<<<
+ * 
+ *         if not slice_is_contig(src, order, ndim):
  */
+  __pyx_t_2 = __pyx_slices_overlap((&__pyx_v_src), (&__pyx_v_dst), __pyx_v_ndim, __pyx_v_itemsize);
+  if (__pyx_t_2) {
 
-  /* function exit code */
-}
+    /* "View.MemoryView":1301
+ *     if slices_overlap(&src, &dst, ndim, itemsize):
+ * 
+ *         if not slice_is_contig(src, order, ndim):             # <<<<<<<<<<<<<<
+ *             order = get_best_order(&dst, ndim)
+ * 
+ */
+    __pyx_t_2 = (!__pyx_memviewslice_is_contig(__pyx_v_src, __pyx_v_order, __pyx_v_ndim));
+    if (__pyx_t_2) {
 
-/* "View.MemoryView":1177
+      /* "View.MemoryView":1302
  * 
- * @cname('__pyx_memoryview_slice_get_size')
- * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) nogil:             # <<<<<<<<<<<<<<
- *     "Return the size of the memory occupied by the slice in number of bytes"
- *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
+ *         if not slice_is_contig(src, order, ndim):
+ *             order = get_best_order(&dst, ndim)             # <<<<<<<<<<<<<<
+ * 
+ *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)
  */
+      __pyx_v_order = __pyx_get_best_slice_order((&__pyx_v_dst), __pyx_v_ndim);
 
-static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *__pyx_v_src, int __pyx_v_ndim) {
-  Py_ssize_t __pyx_v_shape;
-  Py_ssize_t __pyx_v_size;
-  Py_ssize_t __pyx_r;
-  Py_ssize_t __pyx_t_1;
-  Py_ssize_t *__pyx_t_2;
-  Py_ssize_t *__pyx_t_3;
-  Py_ssize_t *__pyx_t_4;
+      /* "View.MemoryView":1301
+ *     if slices_overlap(&src, &dst, ndim, itemsize):
+ * 
+ *         if not slice_is_contig(src, order, ndim):             # <<<<<<<<<<<<<<
+ *             order = get_best_order(&dst, ndim)
+ * 
+ */
+    }
 
-  /* "View.MemoryView":1179
- * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) nogil:
- *     "Return the size of the memory occupied by the slice in number of bytes"
- *     cdef Py_ssize_t shape, size = src.memview.view.itemsize             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":1304
+ *             order = get_best_order(&dst, ndim)
+ * 
+ *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)             # <<<<<<<<<<<<<<
+ *         src = tmp
  * 
- *     for shape in src.shape[:ndim]:
  */
-  __pyx_t_1 = __pyx_v_src->memview->view.itemsize;
-  __pyx_v_size = __pyx_t_1;
+    __pyx_t_7 = __pyx_memoryview_copy_data_to_temp((&__pyx_v_src), (&__pyx_v_tmp), __pyx_v_order, __pyx_v_ndim); if (unlikely(__pyx_t_7 == ((void *)NULL))) __PYX_ERR(1, 1304, __pyx_L1_error)
+    __pyx_v_tmpdata = __pyx_t_7;
 
-  /* "View.MemoryView":1181
- *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
+    /* "View.MemoryView":1305
  * 
- *     for shape in src.shape[:ndim]:             # <<<<<<<<<<<<<<
- *         size *= shape
+ *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)
+ *         src = tmp             # <<<<<<<<<<<<<<
  * 
+ *     if not broadcasting:
  */
-  __pyx_t_3 = (__pyx_v_src->shape + __pyx_v_ndim);
-  for (__pyx_t_4 = __pyx_v_src->shape; __pyx_t_4 < __pyx_t_3; __pyx_t_4++) {
-    __pyx_t_2 = __pyx_t_4;
-    __pyx_v_shape = (__pyx_t_2[0]);
+    __pyx_v_src = __pyx_v_tmp;
 
-    /* "View.MemoryView":1182
+    /* "View.MemoryView":1299
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)
  * 
- *     for shape in src.shape[:ndim]:
- *         size *= shape             # <<<<<<<<<<<<<<
+ *     if slices_overlap(&src, &dst, ndim, itemsize):             # <<<<<<<<<<<<<<
  * 
- *     return size
+ *         if not slice_is_contig(src, order, ndim):
  */
-    __pyx_v_size = (__pyx_v_size * __pyx_v_shape);
   }
 
-  /* "View.MemoryView":1184
- *         size *= shape
+  /* "View.MemoryView":1307
+ *         src = tmp
+ * 
+ *     if not broadcasting:             # <<<<<<<<<<<<<<
  * 
- *     return size             # <<<<<<<<<<<<<<
  * 
- * @cname('__pyx_fill_contig_strides_array')
  */
-  __pyx_r = __pyx_v_size;
-  goto __pyx_L0;
+  __pyx_t_2 = (!__pyx_v_broadcasting);
+  if (__pyx_t_2) {
 
-  /* "View.MemoryView":1177
+    /* "View.MemoryView":1310
  * 
- * @cname('__pyx_memoryview_slice_get_size')
- * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) nogil:             # <<<<<<<<<<<<<<
- *     "Return the size of the memory occupied by the slice in number of bytes"
- *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
+ * 
+ *         if slice_is_contig(src, 'C', ndim):             # <<<<<<<<<<<<<<
+ *             direct_copy = slice_is_contig(dst, 'C', ndim)
+ *         elif slice_is_contig(src, 'F', ndim):
  */
+    __pyx_t_2 = __pyx_memviewslice_is_contig(__pyx_v_src, 'C', __pyx_v_ndim);
+    if (__pyx_t_2) {
 
-  /* function exit code */
-  __pyx_L0:;
-  return __pyx_r;
-}
+      /* "View.MemoryView":1311
+ * 
+ *         if slice_is_contig(src, 'C', ndim):
+ *             direct_copy = slice_is_contig(dst, 'C', ndim)             # <<<<<<<<<<<<<<
+ *         elif slice_is_contig(src, 'F', ndim):
+ *             direct_copy = slice_is_contig(dst, 'F', ndim)
+ */
+      __pyx_v_direct_copy = __pyx_memviewslice_is_contig(__pyx_v_dst, 'C', __pyx_v_ndim);
 
-/* "View.MemoryView":1187
+      /* "View.MemoryView":1310
  * 
- * @cname('__pyx_fill_contig_strides_array')
- * cdef Py_ssize_t fill_contig_strides_array(             # <<<<<<<<<<<<<<
- *                 Py_ssize_t *shape, Py_ssize_t *strides, Py_ssize_t stride,
- *                 int ndim, char order) nogil:
+ * 
+ *         if slice_is_contig(src, 'C', ndim):             # <<<<<<<<<<<<<<
+ *             direct_copy = slice_is_contig(dst, 'C', ndim)
+ *         elif slice_is_contig(src, 'F', ndim):
  */
+      goto __pyx_L12;
+    }
 
-static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, Py_ssize_t __pyx_v_stride, int __pyx_v_ndim, char __pyx_v_order) {
-  int __pyx_v_idx;
-  Py_ssize_t __pyx_r;
-  int __pyx_t_1;
-  int __pyx_t_2;
-  int __pyx_t_3;
-  int __pyx_t_4;
+    /* "View.MemoryView":1312
+ *         if slice_is_contig(src, 'C', ndim):
+ *             direct_copy = slice_is_contig(dst, 'C', ndim)
+ *         elif slice_is_contig(src, 'F', ndim):             # <<<<<<<<<<<<<<
+ *             direct_copy = slice_is_contig(dst, 'F', ndim)
+ * 
+ */
+    __pyx_t_2 = __pyx_memviewslice_is_contig(__pyx_v_src, 'F', __pyx_v_ndim);
+    if (__pyx_t_2) {
 
-  /* "View.MemoryView":1196
- *     cdef int idx
+      /* "View.MemoryView":1313
+ *             direct_copy = slice_is_contig(dst, 'C', ndim)
+ *         elif slice_is_contig(src, 'F', ndim):
+ *             direct_copy = slice_is_contig(dst, 'F', ndim)             # <<<<<<<<<<<<<<
  * 
- *     if order == 'F':             # <<<<<<<<<<<<<<
- *         for idx in range(ndim):
- *             strides[idx] = stride
+ *         if direct_copy:
  */
-  __pyx_t_1 = ((__pyx_v_order == 'F') != 0);
-  if (__pyx_t_1) {
+      __pyx_v_direct_copy = __pyx_memviewslice_is_contig(__pyx_v_dst, 'F', __pyx_v_ndim);
 
-    /* "View.MemoryView":1197
+      /* "View.MemoryView":1312
+ *         if slice_is_contig(src, 'C', ndim):
+ *             direct_copy = slice_is_contig(dst, 'C', ndim)
+ *         elif slice_is_contig(src, 'F', ndim):             # <<<<<<<<<<<<<<
+ *             direct_copy = slice_is_contig(dst, 'F', ndim)
  * 
- *     if order == 'F':
- *         for idx in range(ndim):             # <<<<<<<<<<<<<<
- *             strides[idx] = stride
- *             stride *= shape[idx]
  */
-    __pyx_t_2 = __pyx_v_ndim;
-    __pyx_t_3 = __pyx_t_2;
-    for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
-      __pyx_v_idx = __pyx_t_4;
+    }
+    __pyx_L12:;
 
-      /* "View.MemoryView":1198
- *     if order == 'F':
- *         for idx in range(ndim):
- *             strides[idx] = stride             # <<<<<<<<<<<<<<
- *             stride *= shape[idx]
- *     else:
+    /* "View.MemoryView":1315
+ *             direct_copy = slice_is_contig(dst, 'F', ndim)
+ * 
+ *         if direct_copy:             # <<<<<<<<<<<<<<
+ * 
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)
  */
-      (__pyx_v_strides[__pyx_v_idx]) = __pyx_v_stride;
+    if (__pyx_v_direct_copy) {
 
-      /* "View.MemoryView":1199
- *         for idx in range(ndim):
- *             strides[idx] = stride
- *             stride *= shape[idx]             # <<<<<<<<<<<<<<
- *     else:
- *         for idx in range(ndim - 1, -1, -1):
+      /* "View.MemoryView":1317
+ *         if direct_copy:
+ * 
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)             # <<<<<<<<<<<<<<
+ *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  */
-      __pyx_v_stride = (__pyx_v_stride * (__pyx_v_shape[__pyx_v_idx]));
-    }
+      __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 0);
 
-    /* "View.MemoryView":1196
- *     cdef int idx
+      /* "View.MemoryView":1318
  * 
- *     if order == 'F':             # <<<<<<<<<<<<<<
- *         for idx in range(ndim):
- *             strides[idx] = stride
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)
+ *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))             # <<<<<<<<<<<<<<
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)
+ *             free(tmpdata)
  */
-    goto __pyx_L3;
-  }
+      (void)(memcpy(__pyx_v_dst.data, __pyx_v_src.data, __pyx_memoryview_slice_get_size((&__pyx_v_src), __pyx_v_ndim)));
 
-  /* "View.MemoryView":1201
- *             stride *= shape[idx]
- *     else:
- *         for idx in range(ndim - 1, -1, -1):             # <<<<<<<<<<<<<<
- *             strides[idx] = stride
- *             stride *= shape[idx]
+      /* "View.MemoryView":1319
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)
+ *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)             # <<<<<<<<<<<<<<
+ *             free(tmpdata)
+ *             return 0
  */
-  /*else*/ {
-    for (__pyx_t_2 = (__pyx_v_ndim - 1); __pyx_t_2 > -1; __pyx_t_2-=1) {
-      __pyx_v_idx = __pyx_t_2;
+      __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 1);
 
-      /* "View.MemoryView":1202
- *     else:
- *         for idx in range(ndim - 1, -1, -1):
- *             strides[idx] = stride             # <<<<<<<<<<<<<<
- *             stride *= shape[idx]
+      /* "View.MemoryView":1320
+ *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)
+ *             free(tmpdata)             # <<<<<<<<<<<<<<
+ *             return 0
  * 
  */
-      (__pyx_v_strides[__pyx_v_idx]) = __pyx_v_stride;
+      free(__pyx_v_tmpdata);
 
-      /* "View.MemoryView":1203
- *         for idx in range(ndim - 1, -1, -1):
- *             strides[idx] = stride
- *             stride *= shape[idx]             # <<<<<<<<<<<<<<
+      /* "View.MemoryView":1321
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)
+ *             free(tmpdata)
+ *             return 0             # <<<<<<<<<<<<<<
  * 
- *     return stride
+ *     if order == 'F' == get_best_order(&dst, ndim):
  */
-      __pyx_v_stride = (__pyx_v_stride * (__pyx_v_shape[__pyx_v_idx]));
-    }
-  }
-  __pyx_L3:;
+      __pyx_r = 0;
+      goto __pyx_L0;
 
-  /* "View.MemoryView":1205
- *             stride *= shape[idx]
+      /* "View.MemoryView":1315
+ *             direct_copy = slice_is_contig(dst, 'F', ndim)
  * 
- *     return stride             # <<<<<<<<<<<<<<
+ *         if direct_copy:             # <<<<<<<<<<<<<<
  * 
- * @cname('__pyx_memoryview_copy_data_to_temp')
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)
  */
-  __pyx_r = __pyx_v_stride;
-  goto __pyx_L0;
+    }
 
-  /* "View.MemoryView":1187
+    /* "View.MemoryView":1307
+ *         src = tmp
+ * 
+ *     if not broadcasting:             # <<<<<<<<<<<<<<
+ * 
  * 
- * @cname('__pyx_fill_contig_strides_array')
- * cdef Py_ssize_t fill_contig_strides_array(             # <<<<<<<<<<<<<<
- *                 Py_ssize_t *shape, Py_ssize_t *strides, Py_ssize_t stride,
- *                 int ndim, char order) nogil:
  */
+  }
 
-  /* function exit code */
-  __pyx_L0:;
-  return __pyx_r;
-}
+  /* "View.MemoryView":1323
+ *             return 0
+ * 
+ *     if order == 'F' == get_best_order(&dst, ndim):             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __pyx_t_2 = (__pyx_v_order == 'F');
+  if (__pyx_t_2) {
+    __pyx_t_2 = ('F' == __pyx_get_best_slice_order((&__pyx_v_dst), __pyx_v_ndim));
+  }
+  if (__pyx_t_2) {
 
-/* "View.MemoryView":1208
+    /* "View.MemoryView":1326
+ * 
+ * 
+ *         transpose_memslice(&src)             # <<<<<<<<<<<<<<
+ *         transpose_memslice(&dst)
  * 
- * @cname('__pyx_memoryview_copy_data_to_temp')
- * cdef void *copy_data_to_temp(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
- *                              __Pyx_memviewslice *tmpslice,
- *                              char order,
  */
+    __pyx_t_5 = __pyx_memslice_transpose((&__pyx_v_src)); if (unlikely(__pyx_t_5 == ((int)-1))) __PYX_ERR(1, 1326, __pyx_L1_error)
 
-static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src, __Pyx_memviewslice *__pyx_v_tmpslice, char __pyx_v_order, int __pyx_v_ndim) {
-  int __pyx_v_i;
-  void *__pyx_v_result;
-  size_t __pyx_v_itemsize;
-  size_t __pyx_v_size;
-  void *__pyx_r;
-  Py_ssize_t __pyx_t_1;
-  int __pyx_t_2;
-  int __pyx_t_3;
-  struct __pyx_memoryview_obj *__pyx_t_4;
-  int __pyx_t_5;
-  int __pyx_t_6;
-  int __pyx_lineno = 0;
-  const char *__pyx_filename = NULL;
-  int __pyx_clineno = 0;
-
-  /* "View.MemoryView":1219
- *     cdef void *result
+    /* "View.MemoryView":1327
  * 
- *     cdef size_t itemsize = src.memview.view.itemsize             # <<<<<<<<<<<<<<
- *     cdef size_t size = slice_get_size(src, ndim)
+ *         transpose_memslice(&src)
+ *         transpose_memslice(&dst)             # <<<<<<<<<<<<<<
  * 
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=False)
  */
-  __pyx_t_1 = __pyx_v_src->memview->view.itemsize;
-  __pyx_v_itemsize = __pyx_t_1;
+    __pyx_t_5 = __pyx_memslice_transpose((&__pyx_v_dst)); if (unlikely(__pyx_t_5 == ((int)-1))) __PYX_ERR(1, 1327, __pyx_L1_error)
 
-  /* "View.MemoryView":1220
+    /* "View.MemoryView":1323
+ *             return 0
+ * 
+ *     if order == 'F' == get_best_order(&dst, ndim):             # <<<<<<<<<<<<<<
  * 
- *     cdef size_t itemsize = src.memview.view.itemsize
- *     cdef size_t size = slice_get_size(src, ndim)             # <<<<<<<<<<<<<<
  * 
- *     result = malloc(size)
  */
-  __pyx_v_size = __pyx_memoryview_slice_get_size(__pyx_v_src, __pyx_v_ndim);
+  }
 
-  /* "View.MemoryView":1222
- *     cdef size_t size = slice_get_size(src, ndim)
+  /* "View.MemoryView":1329
+ *         transpose_memslice(&dst)
  * 
- *     result = malloc(size)             # <<<<<<<<<<<<<<
- *     if not result:
- *         _err(MemoryError, NULL)
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=False)             # <<<<<<<<<<<<<<
+ *     copy_strided_to_strided(&src, &dst, ndim, itemsize)
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  */
-  __pyx_v_result = malloc(__pyx_v_size);
+  __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 0);
 
-  /* "View.MemoryView":1223
+  /* "View.MemoryView":1330
  * 
- *     result = malloc(size)
- *     if not result:             # <<<<<<<<<<<<<<
- *         _err(MemoryError, NULL)
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=False)
+ *     copy_strided_to_strided(&src, &dst, ndim, itemsize)             # <<<<<<<<<<<<<<
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  * 
  */
-  __pyx_t_2 = ((!(__pyx_v_result != 0)) != 0);
-  if (__pyx_t_2) {
+  copy_strided_to_strided((&__pyx_v_src), (&__pyx_v_dst), __pyx_v_ndim, __pyx_v_itemsize);
 
-    /* "View.MemoryView":1224
- *     result = malloc(size)
- *     if not result:
- *         _err(MemoryError, NULL)             # <<<<<<<<<<<<<<
- * 
+  /* "View.MemoryView":1331
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=False)
+ *     copy_strided_to_strided(&src, &dst, ndim, itemsize)
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=True)             # <<<<<<<<<<<<<<
  * 
+ *     free(tmpdata)
  */
-    __pyx_t_3 = __pyx_memoryview_err(__pyx_builtin_MemoryError, NULL); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 1224, __pyx_L1_error)
+  __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 1);
 
-    /* "View.MemoryView":1223
+  /* "View.MemoryView":1333
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  * 
- *     result = malloc(size)
- *     if not result:             # <<<<<<<<<<<<<<
- *         _err(MemoryError, NULL)
+ *     free(tmpdata)             # <<<<<<<<<<<<<<
+ *     return 0
  * 
  */
-  }
+  free(__pyx_v_tmpdata);
 
-  /* "View.MemoryView":1227
+  /* "View.MemoryView":1334
  * 
+ *     free(tmpdata)
+ *     return 0             # <<<<<<<<<<<<<<
  * 
- *     tmpslice.data = <char *> result             # <<<<<<<<<<<<<<
- *     tmpslice.memview = src.memview
- *     for i in range(ndim):
+ * @cname('__pyx_memoryview_broadcast_leading')
  */
-  __pyx_v_tmpslice->data = ((char *)__pyx_v_result);
+  __pyx_r = 0;
+  goto __pyx_L0;
 
-  /* "View.MemoryView":1228
+  /* "View.MemoryView":1265
  * 
- *     tmpslice.data = <char *> result
- *     tmpslice.memview = src.memview             # <<<<<<<<<<<<<<
- *     for i in range(ndim):
- *         tmpslice.shape[i] = src.shape[i]
+ * @cname('__pyx_memoryview_copy_contents')
+ * cdef int memoryview_copy_contents(__Pyx_memviewslice src,             # <<<<<<<<<<<<<<
+ *                                   __Pyx_memviewslice dst,
+ *                                   int src_ndim, int dst_ndim,
  */
-  __pyx_t_4 = __pyx_v_src->memview;
-  __pyx_v_tmpslice->memview = __pyx_t_4;
 
-  /* "View.MemoryView":1229
- *     tmpslice.data = <char *> result
- *     tmpslice.memview = src.memview
- *     for i in range(ndim):             # <<<<<<<<<<<<<<
- *         tmpslice.shape[i] = src.shape[i]
- *         tmpslice.suboffsets[i] = -1
- */
-  __pyx_t_3 = __pyx_v_ndim;
-  __pyx_t_5 = __pyx_t_3;
-  for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
-    __pyx_v_i = __pyx_t_6;
+  /* function exit code */
+  __pyx_L1_error:;
+  #ifdef WITH_THREAD
+  __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
+  #endif
+  __Pyx_AddTraceback("View.MemoryView.memoryview_copy_contents", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
+  #ifdef WITH_THREAD
+  __Pyx_PyGILState_Release(__pyx_gilstate_save);
+  #endif
+  __pyx_L0:;
+  return __pyx_r;
+}
 
-    /* "View.MemoryView":1230
- *     tmpslice.memview = src.memview
- *     for i in range(ndim):
- *         tmpslice.shape[i] = src.shape[i]             # <<<<<<<<<<<<<<
- *         tmpslice.suboffsets[i] = -1
+/* "View.MemoryView":1337
  * 
+ * @cname('__pyx_memoryview_broadcast_leading')
+ * cdef void broadcast_leading(__Pyx_memviewslice *mslice,             # <<<<<<<<<<<<<<
+ *                             int ndim,
+ *                             int ndim_other) noexcept nogil:
  */
-    (__pyx_v_tmpslice->shape[__pyx_v_i]) = (__pyx_v_src->shape[__pyx_v_i]);
 
-    /* "View.MemoryView":1231
- *     for i in range(ndim):
- *         tmpslice.shape[i] = src.shape[i]
- *         tmpslice.suboffsets[i] = -1             # <<<<<<<<<<<<<<
+static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslice, int __pyx_v_ndim, int __pyx_v_ndim_other) {
+  int __pyx_v_i;
+  int __pyx_v_offset;
+  int __pyx_t_1;
+  int __pyx_t_2;
+  int __pyx_t_3;
+
+  /* "View.MemoryView":1341
+ *                             int ndim_other) noexcept nogil:
+ *     cdef int i
+ *     cdef int offset = ndim_other - ndim             # <<<<<<<<<<<<<<
  * 
- *     fill_contig_strides_array(&tmpslice.shape[0], &tmpslice.strides[0], itemsize,
+ *     for i in range(ndim - 1, -1, -1):
  */
-    (__pyx_v_tmpslice->suboffsets[__pyx_v_i]) = -1L;
-  }
+  __pyx_v_offset = (__pyx_v_ndim_other - __pyx_v_ndim);
 
-  /* "View.MemoryView":1233
- *         tmpslice.suboffsets[i] = -1
+  /* "View.MemoryView":1343
+ *     cdef int offset = ndim_other - ndim
  * 
- *     fill_contig_strides_array(&tmpslice.shape[0], &tmpslice.strides[0], itemsize,             # <<<<<<<<<<<<<<
- *                               ndim, order)
+ *     for i in range(ndim - 1, -1, -1):             # <<<<<<<<<<<<<<
+ *         mslice.shape[i + offset] = mslice.shape[i]
+ *         mslice.strides[i + offset] = mslice.strides[i]
+ */
+  for (__pyx_t_1 = (__pyx_v_ndim - 1); __pyx_t_1 > -1; __pyx_t_1-=1) {
+    __pyx_v_i = __pyx_t_1;
+
+    /* "View.MemoryView":1344
  * 
+ *     for i in range(ndim - 1, -1, -1):
+ *         mslice.shape[i + offset] = mslice.shape[i]             # <<<<<<<<<<<<<<
+ *         mslice.strides[i + offset] = mslice.strides[i]
+ *         mslice.suboffsets[i + offset] = mslice.suboffsets[i]
  */
-  (void)(__pyx_fill_contig_strides_array((&(__pyx_v_tmpslice->shape[0])), (&(__pyx_v_tmpslice->strides[0])), __pyx_v_itemsize, __pyx_v_ndim, __pyx_v_order));
+    (__pyx_v_mslice->shape[(__pyx_v_i + __pyx_v_offset)]) = (__pyx_v_mslice->shape[__pyx_v_i]);
 
-  /* "View.MemoryView":1237
+    /* "View.MemoryView":1345
+ *     for i in range(ndim - 1, -1, -1):
+ *         mslice.shape[i + offset] = mslice.shape[i]
+ *         mslice.strides[i + offset] = mslice.strides[i]             # <<<<<<<<<<<<<<
+ *         mslice.suboffsets[i + offset] = mslice.suboffsets[i]
  * 
+ */
+    (__pyx_v_mslice->strides[(__pyx_v_i + __pyx_v_offset)]) = (__pyx_v_mslice->strides[__pyx_v_i]);
+
+    /* "View.MemoryView":1346
+ *         mslice.shape[i + offset] = mslice.shape[i]
+ *         mslice.strides[i + offset] = mslice.strides[i]
+ *         mslice.suboffsets[i + offset] = mslice.suboffsets[i]             # <<<<<<<<<<<<<<
  * 
- *     for i in range(ndim):             # <<<<<<<<<<<<<<
- *         if tmpslice.shape[i] == 1:
- *             tmpslice.strides[i] = 0
+ *     for i in range(offset):
  */
-  __pyx_t_3 = __pyx_v_ndim;
-  __pyx_t_5 = __pyx_t_3;
-  for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
-    __pyx_v_i = __pyx_t_6;
+    (__pyx_v_mslice->suboffsets[(__pyx_v_i + __pyx_v_offset)]) = (__pyx_v_mslice->suboffsets[__pyx_v_i]);
+  }
 
-    /* "View.MemoryView":1238
+  /* "View.MemoryView":1348
+ *         mslice.suboffsets[i + offset] = mslice.suboffsets[i]
  * 
- *     for i in range(ndim):
- *         if tmpslice.shape[i] == 1:             # <<<<<<<<<<<<<<
- *             tmpslice.strides[i] = 0
+ *     for i in range(offset):             # <<<<<<<<<<<<<<
+ *         mslice.shape[i] = 1
+ *         mslice.strides[i] = mslice.strides[0]
+ */
+  __pyx_t_1 = __pyx_v_offset;
+  __pyx_t_2 = __pyx_t_1;
+  for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
+    __pyx_v_i = __pyx_t_3;
+
+    /* "View.MemoryView":1349
  * 
+ *     for i in range(offset):
+ *         mslice.shape[i] = 1             # <<<<<<<<<<<<<<
+ *         mslice.strides[i] = mslice.strides[0]
+ *         mslice.suboffsets[i] = -1
  */
-    __pyx_t_2 = (((__pyx_v_tmpslice->shape[__pyx_v_i]) == 1) != 0);
-    if (__pyx_t_2) {
+    (__pyx_v_mslice->shape[__pyx_v_i]) = 1;
 
-      /* "View.MemoryView":1239
- *     for i in range(ndim):
- *         if tmpslice.shape[i] == 1:
- *             tmpslice.strides[i] = 0             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":1350
+ *     for i in range(offset):
+ *         mslice.shape[i] = 1
+ *         mslice.strides[i] = mslice.strides[0]             # <<<<<<<<<<<<<<
+ *         mslice.suboffsets[i] = -1
  * 
- *     if slice_is_contig(src[0], order, ndim):
  */
-      (__pyx_v_tmpslice->strides[__pyx_v_i]) = 0;
+    (__pyx_v_mslice->strides[__pyx_v_i]) = (__pyx_v_mslice->strides[0]);
 
-      /* "View.MemoryView":1238
+    /* "View.MemoryView":1351
+ *         mslice.shape[i] = 1
+ *         mslice.strides[i] = mslice.strides[0]
+ *         mslice.suboffsets[i] = -1             # <<<<<<<<<<<<<<
  * 
- *     for i in range(ndim):
- *         if tmpslice.shape[i] == 1:             # <<<<<<<<<<<<<<
- *             tmpslice.strides[i] = 0
  * 
  */
-    }
+    (__pyx_v_mslice->suboffsets[__pyx_v_i]) = -1L;
   }
 
-  /* "View.MemoryView":1241
- *             tmpslice.strides[i] = 0
+  /* "View.MemoryView":1337
  * 
- *     if slice_is_contig(src[0], order, ndim):             # <<<<<<<<<<<<<<
- *         memcpy(result, src.data, size)
- *     else:
+ * @cname('__pyx_memoryview_broadcast_leading')
+ * cdef void broadcast_leading(__Pyx_memviewslice *mslice,             # <<<<<<<<<<<<<<
+ *                             int ndim,
+ *                             int ndim_other) noexcept nogil:
  */
-  __pyx_t_2 = (__pyx_memviewslice_is_contig((__pyx_v_src[0]), __pyx_v_order, __pyx_v_ndim) != 0);
-  if (__pyx_t_2) {
 
-    /* "View.MemoryView":1242
+  /* function exit code */
+}
+
+/* "View.MemoryView":1359
  * 
- *     if slice_is_contig(src[0], order, ndim):
- *         memcpy(result, src.data, size)             # <<<<<<<<<<<<<<
- *     else:
- *         copy_strided_to_strided(src, tmpslice, ndim, itemsize)
+ * @cname('__pyx_memoryview_refcount_copying')
+ * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object, int ndim, bint inc) noexcept nogil:             # <<<<<<<<<<<<<<
+ * 
+ *     if dtype_is_object:
  */
-    (void)(memcpy(__pyx_v_result, __pyx_v_src->data, __pyx_v_size));
 
-    /* "View.MemoryView":1241
- *             tmpslice.strides[i] = 0
+static void __pyx_memoryview_refcount_copying(__Pyx_memviewslice *__pyx_v_dst, int __pyx_v_dtype_is_object, int __pyx_v_ndim, int __pyx_v_inc) {
+
+  /* "View.MemoryView":1361
+ * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object, int ndim, bint inc) noexcept nogil:
+ * 
+ *     if dtype_is_object:             # <<<<<<<<<<<<<<
+ *         refcount_objects_in_slice_with_gil(dst.data, dst.shape, dst.strides, ndim, inc)
  * 
- *     if slice_is_contig(src[0], order, ndim):             # <<<<<<<<<<<<<<
- *         memcpy(result, src.data, size)
- *     else:
  */
-    goto __pyx_L9;
-  }
+  if (__pyx_v_dtype_is_object) {
 
-  /* "View.MemoryView":1244
- *         memcpy(result, src.data, size)
- *     else:
- *         copy_strided_to_strided(src, tmpslice, ndim, itemsize)             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":1362
  * 
- *     return result
+ *     if dtype_is_object:
+ *         refcount_objects_in_slice_with_gil(dst.data, dst.shape, dst.strides, ndim, inc)             # <<<<<<<<<<<<<<
+ * 
+ * @cname('__pyx_memoryview_refcount_objects_in_slice_with_gil')
  */
-  /*else*/ {
-    copy_strided_to_strided(__pyx_v_src, __pyx_v_tmpslice, __pyx_v_ndim, __pyx_v_itemsize);
-  }
-  __pyx_L9:;
+    __pyx_memoryview_refcount_objects_in_slice_with_gil(__pyx_v_dst->data, __pyx_v_dst->shape, __pyx_v_dst->strides, __pyx_v_ndim, __pyx_v_inc);
 
-  /* "View.MemoryView":1246
- *         copy_strided_to_strided(src, tmpslice, ndim, itemsize)
- * 
- *     return result             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":1361
+ * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object, int ndim, bint inc) noexcept nogil:
  * 
+ *     if dtype_is_object:             # <<<<<<<<<<<<<<
+ *         refcount_objects_in_slice_with_gil(dst.data, dst.shape, dst.strides, ndim, inc)
  * 
  */
-  __pyx_r = __pyx_v_result;
-  goto __pyx_L0;
+  }
 
-  /* "View.MemoryView":1208
+  /* "View.MemoryView":1359
  * 
- * @cname('__pyx_memoryview_copy_data_to_temp')
- * cdef void *copy_data_to_temp(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
- *                              __Pyx_memviewslice *tmpslice,
- *                              char order,
+ * @cname('__pyx_memoryview_refcount_copying')
+ * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object, int ndim, bint inc) noexcept nogil:             # <<<<<<<<<<<<<<
+ * 
+ *     if dtype_is_object:
  */
 
   /* function exit code */
-  __pyx_L1_error:;
-  {
-    #ifdef WITH_THREAD
-    PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
-    #endif
-    __Pyx_AddTraceback("View.MemoryView.copy_data_to_temp", __pyx_clineno, __pyx_lineno, __pyx_filename);
-    #ifdef WITH_THREAD
-    __Pyx_PyGILState_Release(__pyx_gilstate_save);
-    #endif
-  }
-  __pyx_r = NULL;
-  __pyx_L0:;
-  return __pyx_r;
 }
 
-/* "View.MemoryView":1251
+/* "View.MemoryView":1365
  * 
- * @cname('__pyx_memoryview_err_extents')
- * cdef int _err_extents(int i, Py_ssize_t extent1,             # <<<<<<<<<<<<<<
- *                              Py_ssize_t extent2) except -1 with gil:
- *     raise ValueError("got differing extents in dimension %d (got %d and %d)" %
+ * @cname('__pyx_memoryview_refcount_objects_in_slice_with_gil')
+ * cdef void refcount_objects_in_slice_with_gil(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
+ *                                              Py_ssize_t *strides, int ndim,
+ *                                              bint inc) noexcept with gil:
  */
 
-static int __pyx_memoryview_err_extents(int __pyx_v_i, Py_ssize_t __pyx_v_extent1, Py_ssize_t __pyx_v_extent2) {
-  int __pyx_r;
-  __Pyx_RefNannyDeclarations
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-  PyObject *__pyx_t_2 = NULL;
-  PyObject *__pyx_t_3 = NULL;
-  PyObject *__pyx_t_4 = NULL;
-  int __pyx_lineno = 0;
-  const char *__pyx_filename = NULL;
-  int __pyx_clineno = 0;
+static void __pyx_memoryview_refcount_objects_in_slice_with_gil(char *__pyx_v_data, Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, int __pyx_v_ndim, int __pyx_v_inc) {
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   PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
   #endif
-  __Pyx_RefNannySetupContext("_err_extents", 0);
-
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- *                                                         (i, extent1, extent2))             # <<<<<<<<<<<<<<
- * 
- * @cname('__pyx_memoryview_err_dim')
- */
-  __pyx_t_1 = __Pyx_PyInt_From_int(__pyx_v_i); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 1254, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_1);
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-  /* "View.MemoryView":1253
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- *         broadcast_leading(&src, src_ndim, dst_ndim)             # <<<<<<<<<<<<<<
- *     elif dst_ndim < src_ndim:
- *         broadcast_leading(&dst, dst_ndim, src_ndim)
  */
-    __pyx_memoryview_broadcast_leading((&__pyx_v_src), __pyx_v_src_ndim, __pyx_v_dst_ndim);
+  __pyx_memoryview_refcount_copying(__pyx_v_dst, __pyx_v_dtype_is_object, __pyx_v_ndim, 1);
 
-    /* "View.MemoryView":1284
- *     cdef __Pyx_memviewslice tmp
+  /* "View.MemoryView":1391
  * 
- *     if src_ndim < dst_ndim:             # <<<<<<<<<<<<<<
- *         broadcast_leading(&src, src_ndim, dst_ndim)
- *     elif dst_ndim < src_ndim:
+ * @cname('__pyx_memoryview_slice_assign_scalar')
+ * cdef void slice_assign_scalar(__Pyx_memviewslice *dst, int ndim,             # <<<<<<<<<<<<<<
+ *                               size_t itemsize, void *item,
+ *                               bint dtype_is_object) noexcept nogil:
  */
-    goto __pyx_L3;
-  }
 
-  /* "View.MemoryView":1286
- *     if src_ndim < dst_ndim:
- *         broadcast_leading(&src, src_ndim, dst_ndim)
- *     elif dst_ndim < src_ndim:             # <<<<<<<<<<<<<<
- *         broadcast_leading(&dst, dst_ndim, src_ndim)
- * 
- */
-  __pyx_t_2 = ((__pyx_v_dst_ndim < __pyx_v_src_ndim) != 0);
-  if (__pyx_t_2) {
+  /* function exit code */
+}
 
-    /* "View.MemoryView":1287
- *         broadcast_leading(&src, src_ndim, dst_ndim)
- *     elif dst_ndim < src_ndim:
- *         broadcast_leading(&dst, dst_ndim, src_ndim)             # <<<<<<<<<<<<<<
+/* "View.MemoryView":1400
  * 
- *     cdef int ndim = max(src_ndim, dst_ndim)
+ * @cname('__pyx_memoryview__slice_assign_scalar')
+ * cdef void _slice_assign_scalar(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
+ *                               Py_ssize_t *strides, int ndim,
+ *                               size_t itemsize, void *item) noexcept nogil:
  */
-    __pyx_memoryview_broadcast_leading((&__pyx_v_dst), __pyx_v_dst_ndim, __pyx_v_src_ndim);
 
-    /* "View.MemoryView":1286
- *     if src_ndim < dst_ndim:
- *         broadcast_leading(&src, src_ndim, dst_ndim)
- *     elif dst_ndim < src_ndim:             # <<<<<<<<<<<<<<
- *         broadcast_leading(&dst, dst_ndim, src_ndim)
+static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, int __pyx_v_ndim, size_t __pyx_v_itemsize, void *__pyx_v_item) {
+  CYTHON_UNUSED Py_ssize_t __pyx_v_i;
+  Py_ssize_t __pyx_v_stride;
+  Py_ssize_t __pyx_v_extent;
+  int __pyx_t_1;
+  Py_ssize_t __pyx_t_2;
+  Py_ssize_t __pyx_t_3;
+  Py_ssize_t __pyx_t_4;
+
+  /* "View.MemoryView":1404
+ *                               size_t itemsize, void *item) noexcept nogil:
+ *     cdef Py_ssize_t i
+ *     cdef Py_ssize_t stride = strides[0]             # <<<<<<<<<<<<<<
+ *     cdef Py_ssize_t extent = shape[0]
  * 
  */
-  }
-  __pyx_L3:;
+  __pyx_v_stride = (__pyx_v_strides[0]);
 
-  /* "View.MemoryView":1289
- *         broadcast_leading(&dst, dst_ndim, src_ndim)
- * 
- *     cdef int ndim = max(src_ndim, dst_ndim)             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1405
+ *     cdef Py_ssize_t i
+ *     cdef Py_ssize_t stride = strides[0]
+ *     cdef Py_ssize_t extent = shape[0]             # <<<<<<<<<<<<<<
  * 
- *     for i in range(ndim):
+ *     if ndim == 1:
  */
-  __pyx_t_3 = __pyx_v_dst_ndim;
-  __pyx_t_4 = __pyx_v_src_ndim;
-  if (((__pyx_t_3 > __pyx_t_4) != 0)) {
-    __pyx_t_5 = __pyx_t_3;
-  } else {
-    __pyx_t_5 = __pyx_t_4;
-  }
-  __pyx_v_ndim = __pyx_t_5;
+  __pyx_v_extent = (__pyx_v_shape[0]);
 
-  /* "View.MemoryView":1291
- *     cdef int ndim = max(src_ndim, dst_ndim)
+  /* "View.MemoryView":1407
+ *     cdef Py_ssize_t extent = shape[0]
  * 
- *     for i in range(ndim):             # <<<<<<<<<<<<<<
- *         if src.shape[i] != dst.shape[i]:
- *             if src.shape[i] == 1:
+ *     if ndim == 1:             # <<<<<<<<<<<<<<
+ *         for i in range(extent):
+ *             memcpy(data, item, itemsize)
  */
-  __pyx_t_5 = __pyx_v_ndim;
-  __pyx_t_3 = __pyx_t_5;
-  for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
-    __pyx_v_i = __pyx_t_4;
+  __pyx_t_1 = (__pyx_v_ndim == 1);
+  if (__pyx_t_1) {
 
-    /* "View.MemoryView":1292
+    /* "View.MemoryView":1408
  * 
- *     for i in range(ndim):
- *         if src.shape[i] != dst.shape[i]:             # <<<<<<<<<<<<<<
- *             if src.shape[i] == 1:
- *                 broadcasting = True
+ *     if ndim == 1:
+ *         for i in range(extent):             # <<<<<<<<<<<<<<
+ *             memcpy(data, item, itemsize)
+ *             data += stride
  */
-    __pyx_t_2 = (((__pyx_v_src.shape[__pyx_v_i]) != (__pyx_v_dst.shape[__pyx_v_i])) != 0);
-    if (__pyx_t_2) {
+    __pyx_t_2 = __pyx_v_extent;
+    __pyx_t_3 = __pyx_t_2;
+    for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
+      __pyx_v_i = __pyx_t_4;
 
-      /* "View.MemoryView":1293
- *     for i in range(ndim):
- *         if src.shape[i] != dst.shape[i]:
- *             if src.shape[i] == 1:             # <<<<<<<<<<<<<<
- *                 broadcasting = True
- *                 src.strides[i] = 0
+      /* "View.MemoryView":1409
+ *     if ndim == 1:
+ *         for i in range(extent):
+ *             memcpy(data, item, itemsize)             # <<<<<<<<<<<<<<
+ *             data += stride
+ *     else:
  */
-      __pyx_t_2 = (((__pyx_v_src.shape[__pyx_v_i]) == 1) != 0);
-      if (__pyx_t_2) {
+      (void)(memcpy(__pyx_v_data, __pyx_v_item, __pyx_v_itemsize));
 
-        /* "View.MemoryView":1294
- *         if src.shape[i] != dst.shape[i]:
- *             if src.shape[i] == 1:
- *                 broadcasting = True             # <<<<<<<<<<<<<<
- *                 src.strides[i] = 0
- *             else:
+      /* "View.MemoryView":1410
+ *         for i in range(extent):
+ *             memcpy(data, item, itemsize)
+ *             data += stride             # <<<<<<<<<<<<<<
+ *     else:
+ *         for i in range(extent):
  */
-        __pyx_v_broadcasting = 1;
+      __pyx_v_data = (__pyx_v_data + __pyx_v_stride);
+    }
 
-        /* "View.MemoryView":1295
- *             if src.shape[i] == 1:
- *                 broadcasting = True
- *                 src.strides[i] = 0             # <<<<<<<<<<<<<<
- *             else:
- *                 _err_extents(i, dst.shape[i], src.shape[i])
+    /* "View.MemoryView":1407
+ *     cdef Py_ssize_t extent = shape[0]
+ * 
+ *     if ndim == 1:             # <<<<<<<<<<<<<<
+ *         for i in range(extent):
+ *             memcpy(data, item, itemsize)
  */
-        (__pyx_v_src.strides[__pyx_v_i]) = 0;
+    goto __pyx_L3;
+  }
 
-        /* "View.MemoryView":1293
- *     for i in range(ndim):
- *         if src.shape[i] != dst.shape[i]:
- *             if src.shape[i] == 1:             # <<<<<<<<<<<<<<
- *                 broadcasting = True
- *                 src.strides[i] = 0
+  /* "View.MemoryView":1412
+ *             data += stride
+ *     else:
+ *         for i in range(extent):             # <<<<<<<<<<<<<<
+ *             _slice_assign_scalar(data, shape + 1, strides + 1, ndim - 1, itemsize, item)
+ *             data += stride
  */
-        goto __pyx_L7;
-      }
+  /*else*/ {
+    __pyx_t_2 = __pyx_v_extent;
+    __pyx_t_3 = __pyx_t_2;
+    for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
+      __pyx_v_i = __pyx_t_4;
 
-      /* "View.MemoryView":1297
- *                 src.strides[i] = 0
- *             else:
- *                 _err_extents(i, dst.shape[i], src.shape[i])             # <<<<<<<<<<<<<<
+      /* "View.MemoryView":1413
+ *     else:
+ *         for i in range(extent):
+ *             _slice_assign_scalar(data, shape + 1, strides + 1, ndim - 1, itemsize, item)             # <<<<<<<<<<<<<<
+ *             data += stride
  * 
- *         if src.suboffsets[i] >= 0:
  */
-      /*else*/ {
-        __pyx_t_6 = __pyx_memoryview_err_extents(__pyx_v_i, (__pyx_v_dst.shape[__pyx_v_i]), (__pyx_v_src.shape[__pyx_v_i])); if (unlikely(__pyx_t_6 == ((int)-1))) __PYX_ERR(1, 1297, __pyx_L1_error)
-      }
-      __pyx_L7:;
+      __pyx_memoryview__slice_assign_scalar(__pyx_v_data, (__pyx_v_shape + 1), (__pyx_v_strides + 1), (__pyx_v_ndim - 1), __pyx_v_itemsize, __pyx_v_item);
 
-      /* "View.MemoryView":1292
+      /* "View.MemoryView":1414
+ *         for i in range(extent):
+ *             _slice_assign_scalar(data, shape + 1, strides + 1, ndim - 1, itemsize, item)
+ *             data += stride             # <<<<<<<<<<<<<<
+ * 
  * 
- *     for i in range(ndim):
- *         if src.shape[i] != dst.shape[i]:             # <<<<<<<<<<<<<<
- *             if src.shape[i] == 1:
- *                 broadcasting = True
  */
+      __pyx_v_data = (__pyx_v_data + __pyx_v_stride);
     }
+  }
+  __pyx_L3:;
 
-    /* "View.MemoryView":1299
- *                 _err_extents(i, dst.shape[i], src.shape[i])
- * 
- *         if src.suboffsets[i] >= 0:             # <<<<<<<<<<<<<<
- *             _err_dim(ValueError, "Dimension %d is not direct", i)
+  /* "View.MemoryView":1400
  * 
+ * @cname('__pyx_memoryview__slice_assign_scalar')
+ * cdef void _slice_assign_scalar(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
+ *                               Py_ssize_t *strides, int ndim,
+ *                               size_t itemsize, void *item) noexcept nogil:
  */
-    __pyx_t_2 = (((__pyx_v_src.suboffsets[__pyx_v_i]) >= 0) != 0);
-    if (__pyx_t_2) {
 
-      /* "View.MemoryView":1300
- * 
- *         if src.suboffsets[i] >= 0:
- *             _err_dim(ValueError, "Dimension %d is not direct", i)             # <<<<<<<<<<<<<<
- * 
- *     if slices_overlap(&src, &dst, ndim, itemsize):
- */
-      __pyx_t_6 = __pyx_memoryview_err_dim(__pyx_builtin_ValueError, ((char *)"Dimension %d is not direct"), __pyx_v_i); if (unlikely(__pyx_t_6 == ((int)-1))) __PYX_ERR(1, 1300, __pyx_L1_error)
+  /* function exit code */
+}
 
-      /* "View.MemoryView":1299
- *                 _err_extents(i, dst.shape[i], src.shape[i])
- * 
- *         if src.suboffsets[i] >= 0:             # <<<<<<<<<<<<<<
- *             _err_dim(ValueError, "Dimension %d is not direct", i)
- * 
+/* "(tree fragment)":1
+ * def __pyx_unpickle_Enum(__pyx_type, long __pyx_checksum, __pyx_state):             # <<<<<<<<<<<<<<
+ *     cdef object __pyx_PickleError
+ *     cdef object __pyx_result
  */
+
+/* Python wrapper */
+static PyObject *__pyx_pw_15View_dot_MemoryView_1__pyx_unpickle_Enum(PyObject *__pyx_self, 
+#if CYTHON_METH_FASTCALL
+PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
+#else
+PyObject *__pyx_args, PyObject *__pyx_kwds
+#endif
+); /*proto*/
+static PyMethodDef __pyx_mdef_15View_dot_MemoryView_1__pyx_unpickle_Enum = {"__pyx_unpickle_Enum", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_15View_dot_MemoryView_1__pyx_unpickle_Enum, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0};
+static PyObject *__pyx_pw_15View_dot_MemoryView_1__pyx_unpickle_Enum(PyObject *__pyx_self, 
+#if CYTHON_METH_FASTCALL
+PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
+#else
+PyObject *__pyx_args, PyObject *__pyx_kwds
+#endif
+) {
+  PyObject *__pyx_v___pyx_type = 0;
+  long __pyx_v___pyx_checksum;
+  PyObject *__pyx_v___pyx_state = 0;
+  #if !CYTHON_METH_FASTCALL
+  CYTHON_UNUSED Py_ssize_t __pyx_nargs;
+  #endif
+  CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
+  PyObject* values[3] = {0,0,0};
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__pyx_unpickle_Enum (wrapper)", 0);
+  #if !CYTHON_METH_FASTCALL
+  #if CYTHON_ASSUME_SAFE_MACROS
+  __pyx_nargs = PyTuple_GET_SIZE(__pyx_args);
+  #else
+  __pyx_nargs = PyTuple_Size(__pyx_args); if (unlikely(__pyx_nargs < 0)) return NULL;
+  #endif
+  #endif
+  __pyx_kwvalues = __Pyx_KwValues_FASTCALL(__pyx_args, __pyx_nargs);
+  {
+    PyObject **__pyx_pyargnames[] = {&__pyx_n_s_pyx_type,&__pyx_n_s_pyx_checksum,&__pyx_n_s_pyx_state,0};
+    if (__pyx_kwds) {
+      Py_ssize_t kw_args;
+      switch (__pyx_nargs) {
+        case  3: values[2] = __Pyx_Arg_FASTCALL(__pyx_args, 2);
+        CYTHON_FALLTHROUGH;
+        case  2: values[1] = __Pyx_Arg_FASTCALL(__pyx_args, 1);
+        CYTHON_FALLTHROUGH;
+        case  1: values[0] = __Pyx_Arg_FASTCALL(__pyx_args, 0);
+        CYTHON_FALLTHROUGH;
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = __Pyx_NumKwargs_FASTCALL(__pyx_kwds);
+      switch (__pyx_nargs) {
+        case  0:
+        if (likely((values[0] = __Pyx_GetKwValue_FASTCALL(__pyx_kwds, __pyx_kwvalues, __pyx_n_s_pyx_type)) != 0)) {
+          (void)__Pyx_Arg_NewRef_FASTCALL(values[0]);
+          kw_args--;
+        }
+        else if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1, __pyx_L3_error)
+        else goto __pyx_L5_argtuple_error;
+        CYTHON_FALLTHROUGH;
+        case  1:
+        if (likely((values[1] = __Pyx_GetKwValue_FASTCALL(__pyx_kwds, __pyx_kwvalues, __pyx_n_s_pyx_checksum)) != 0)) {
+          (void)__Pyx_Arg_NewRef_FASTCALL(values[1]);
+          kw_args--;
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+        else if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1, __pyx_L3_error)
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+        }
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+        case  2:
+        if (likely((values[2] = __Pyx_GetKwValue_FASTCALL(__pyx_kwds, __pyx_kwvalues, __pyx_n_s_pyx_state)) != 0)) {
+          (void)__Pyx_Arg_NewRef_FASTCALL(values[2]);
+          kw_args--;
+        }
+        else if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1, __pyx_L3_error)
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+      values[0] = __Pyx_Arg_FASTCALL(__pyx_args, 0);
+      values[1] = __Pyx_Arg_FASTCALL(__pyx_args, 1);
+      values[2] = __Pyx_Arg_FASTCALL(__pyx_args, 2);
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+    __pyx_v___pyx_state = values[2];
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+  goto __pyx_L6_skip;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("__pyx_unpickle_Enum", 1, 3, 3, __pyx_nargs); __PYX_ERR(1, 1, __pyx_L3_error)
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+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  {
+    Py_ssize_t __pyx_temp;
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+      __Pyx_Arg_XDECREF_FASTCALL(values[__pyx_temp]);
     }
   }
+  __Pyx_AddTraceback("View.MemoryView.__pyx_unpickle_Enum", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
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- * 
- *         if not slice_is_contig(src, order, ndim):
- */
-  __pyx_t_2 = (__pyx_slices_overlap((&__pyx_v_src), (&__pyx_v_dst), __pyx_v_ndim, __pyx_v_itemsize) != 0);
-  if (__pyx_t_2) {
+  /* function exit code */
+  {
+    Py_ssize_t __pyx_temp;
+    for (__pyx_temp=0; __pyx_temp < (Py_ssize_t)(sizeof(values)/sizeof(values[0])); ++__pyx_temp) {
+      __Pyx_Arg_XDECREF_FASTCALL(values[__pyx_temp]);
+    }
+  }
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
 
-    /* "View.MemoryView":1304
- *     if slices_overlap(&src, &dst, ndim, itemsize):
- * 
- *         if not slice_is_contig(src, order, ndim):             # <<<<<<<<<<<<<<
- *             order = get_best_order(&dst, ndim)
- * 
- */
-    __pyx_t_2 = ((!(__pyx_memviewslice_is_contig(__pyx_v_src, __pyx_v_order, __pyx_v_ndim) != 0)) != 0);
-    if (__pyx_t_2) {
+static PyObject *__pyx_pf_15View_dot_MemoryView___pyx_unpickle_Enum(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v___pyx_type, long __pyx_v___pyx_checksum, PyObject *__pyx_v___pyx_state) {
+  PyObject *__pyx_v___pyx_PickleError = 0;
+  PyObject *__pyx_v___pyx_result = 0;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_t_2;
+  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_4 = NULL;
+  int __pyx_t_5;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
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- *         if not slice_is_contig(src, order, ndim):
- *             order = get_best_order(&dst, ndim)             # <<<<<<<<<<<<<<
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- *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)
+  /* "(tree fragment)":4
+ *     cdef object __pyx_PickleError
+ *     cdef object __pyx_result
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  */
-      __pyx_v_order = __pyx_get_best_slice_order((&__pyx_v_dst), __pyx_v_ndim);
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- *                             int ndim,
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- *                            int ndim, bint inc) nogil:
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  * 
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+  {Py_tp_methods, (void *)__pyx_methods_Enum},
+  {Py_tp_init, (void *)__pyx_MemviewEnum___init__},
+  {Py_tp_new, (void *)__pyx_tp_new_Enum},
+  {0, 0},
+};
+static PyType_Spec __pyx_type___pyx_MemviewEnum_spec = {
+  "dense.Enum",
+  sizeof(struct __pyx_MemviewEnum_obj),
+  0,
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC,
+  __pyx_type___pyx_MemviewEnum_slots,
+};
+#else
+
+static PyTypeObject __pyx_type___pyx_MemviewEnum = {
+  PyVarObject_HEAD_INIT(0, 0)
+  "dense.""Enum", /*tp_name*/
+  sizeof(struct __pyx_MemviewEnum_obj), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_Enum, /*tp_dealloc*/
+  #if PY_VERSION_HEX < 0x030800b4
+  0, /*tp_print*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030800b4
+  0, /*tp_vectorcall_offset*/
+  #endif
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #endif
+  #if PY_MAJOR_VERSION >= 3
+  0, /*tp_as_async*/
+  #endif
+  __pyx_MemviewEnum___repr__, /*tp_repr*/
+  0, /*tp_as_number*/
+  0, /*tp_as_sequence*/
+  0, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  0, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_Enum, /*tp_traverse*/
+  __pyx_tp_clear_Enum, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_Enum, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  #if !CYTHON_USE_TYPE_SPECS
+  0, /*tp_dictoffset*/
+  #endif
+  __pyx_MemviewEnum___init__, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_Enum, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  0, /*tp_version_tag*/
+  #if PY_VERSION_HEX >= 0x030400a1
+  #if CYTHON_USE_TP_FINALIZE
+  0, /*tp_finalize*/
+  #else
+  NULL, /*tp_finalize*/
+  #endif
+  #endif
+  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
+  0, /*tp_vectorcall*/
+  #endif
+  #if __PYX_NEED_TP_PRINT_SLOT == 1
+  0, /*tp_print*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030C0000
+  0, /*tp_watched*/
+  #endif
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+  0, /*tp_pypy_flags*/
+  #endif
+};
+#endif
+static struct __pyx_vtabstruct_memoryview __pyx_vtable_memoryview;
+
+static PyObject *__pyx_tp_new_memoryview(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_memoryview_obj *p;
+  PyObject *o;
+  #if CYTHON_COMPILING_IN_LIMITED_API
+  allocfunc alloc_func = (allocfunc)PyType_GetSlot(t, Py_tp_alloc);
+  o = alloc_func(t, 0);
+  #else
+  if (likely(!__Pyx_PyType_HasFeature(t, Py_TPFLAGS_IS_ABSTRACT))) {
+    o = (*t->tp_alloc)(t, 0);
+  } else {
+    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
+  }
+  if (unlikely(!o)) return 0;
+  #endif
+  p = ((struct __pyx_memoryview_obj *)o);
+  p->__pyx_vtab = __pyx_vtabptr_memoryview;
+  p->obj = Py_None; Py_INCREF(Py_None);
+  p->_size = Py_None; Py_INCREF(Py_None);
+  p->_array_interface = Py_None; Py_INCREF(Py_None);
+  p->view.obj = NULL;
+  if (unlikely(__pyx_memoryview___cinit__(o, a, k) < 0)) goto bad;
+  return o;
+  bad:
+  Py_DECREF(o); o = 0;
+  return NULL;
+}
+
+static void __pyx_tp_dealloc_memoryview(PyObject *o) {
+  struct __pyx_memoryview_obj *p = (struct __pyx_memoryview_obj *)o;
+  #if CYTHON_USE_TP_FINALIZE
+  if (unlikely((PY_VERSION_HEX >= 0x03080000 || __Pyx_PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE)) && __Pyx_PyObject_GetSlot(o, tp_finalize, destructor)) && !__Pyx_PyObject_GC_IsFinalized(o)) {
+    if (__Pyx_PyObject_GetSlot(o, tp_dealloc, destructor) == __pyx_tp_dealloc_memoryview) {
+      if (PyObject_CallFinalizerFromDealloc(o)) return;
+    }
+  }
+  #endif
+  PyObject_GC_UnTrack(o);
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    __Pyx_SET_REFCNT(o, Py_REFCNT(o) + 1);
+    __pyx_memoryview___dealloc__(o);
+    __Pyx_SET_REFCNT(o, Py_REFCNT(o) - 1);
+    PyErr_Restore(etype, eval, etb);
+  }
+  Py_CLEAR(p->obj);
+  Py_CLEAR(p->_size);
+  Py_CLEAR(p->_array_interface);
+  #if CYTHON_USE_TYPE_SLOTS || CYTHON_COMPILING_IN_PYPY
+  (*Py_TYPE(o)->tp_free)(o);
+  #else
+  {
+    freefunc tp_free = (freefunc)PyType_GetSlot(Py_TYPE(o), Py_tp_free);
+    if (tp_free) tp_free(o);
+  }
+  #endif
+}
+
+static int __pyx_tp_traverse_memoryview(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_memoryview_obj *p = (struct __pyx_memoryview_obj *)o;
+  if (p->obj) {
+    e = (*v)(p->obj, a); if (e) return e;
+  }
+  if (p->_size) {
+    e = (*v)(p->_size, a); if (e) return e;
+  }
+  if (p->_array_interface) {
+    e = (*v)(p->_array_interface, a); if (e) return e;
+  }
+  if (p->view.obj) {
+    e = (*v)(p->view.obj, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_memoryview(PyObject *o) {
+  PyObject* tmp;
+  struct __pyx_memoryview_obj *p = (struct __pyx_memoryview_obj *)o;
+  tmp = ((PyObject*)p->obj);
+  p->obj = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->_size);
+  p->_size = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->_array_interface);
+  p->_array_interface = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  Py_CLEAR(p->view.obj);
+  return 0;
+}
+static PyObject *__pyx_sq_item_memoryview(PyObject *o, Py_ssize_t i) {
+  PyObject *r;
+  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
+  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
+  Py_DECREF(x);
+  return r;
+}
+
+static int __pyx_mp_ass_subscript_memoryview(PyObject *o, PyObject *i, PyObject *v) {
+  if (v) {
+    return __pyx_memoryview___setitem__(o, i, v);
+  }
+  else {
+    __Pyx_TypeName o_type_name;
+    o_type_name = __Pyx_PyType_GetName(Py_TYPE(o));
+    PyErr_Format(PyExc_NotImplementedError,
+      "Subscript deletion not supported by " __Pyx_FMT_TYPENAME, o_type_name);
+    __Pyx_DECREF_TypeName(o_type_name);
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_T(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_1T_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_base(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_4base_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_shape(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_5shape_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_strides(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_7strides_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_suboffsets(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_10suboffsets_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_ndim(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_4ndim_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_itemsize(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_8itemsize_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_nbytes(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_6nbytes_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_size(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_4size_1__get__(o);
+}
+
+static PyObject *__pyx_specialmethod___pyx_memoryview___repr__(PyObject *self, CYTHON_UNUSED PyObject *arg) {
+  return __pyx_memoryview___repr__(self);
+}
+
+static PyMethodDef __pyx_methods_memoryview[] = {
+  {"__repr__", (PyCFunction)__pyx_specialmethod___pyx_memoryview___repr__, METH_NOARGS|METH_COEXIST, 0},
+  {"is_c_contig", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_memoryview_is_c_contig, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"is_f_contig", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_memoryview_is_f_contig, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"copy", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_memoryview_copy, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"copy_fortran", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_memoryview_copy_fortran, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"__reduce_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_memoryview_1__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"__setstate_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_memoryview_3__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_memoryview[] = {
+  {(char *)"T", __pyx_getprop___pyx_memoryview_T, 0, (char *)0, 0},
+  {(char *)"base", __pyx_getprop___pyx_memoryview_base, 0, (char *)0, 0},
+  {(char *)"shape", __pyx_getprop___pyx_memoryview_shape, 0, (char *)0, 0},
+  {(char *)"strides", __pyx_getprop___pyx_memoryview_strides, 0, (char *)0, 0},
+  {(char *)"suboffsets", __pyx_getprop___pyx_memoryview_suboffsets, 0, (char *)0, 0},
+  {(char *)"ndim", __pyx_getprop___pyx_memoryview_ndim, 0, (char *)0, 0},
+  {(char *)"itemsize", __pyx_getprop___pyx_memoryview_itemsize, 0, (char *)0, 0},
+  {(char *)"nbytes", __pyx_getprop___pyx_memoryview_nbytes, 0, (char *)0, 0},
+  {(char *)"size", __pyx_getprop___pyx_memoryview_size, 0, (char *)0, 0},
+  {0, 0, 0, 0, 0}
+};
+#if CYTHON_USE_TYPE_SPECS
+#if !CYTHON_COMPILING_IN_LIMITED_API
+
+static PyBufferProcs __pyx_tp_as_buffer_memoryview = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  __pyx_memoryview_getbuffer, /*bf_getbuffer*/
+  0, /*bf_releasebuffer*/
+};
+#endif
+static PyType_Slot __pyx_type___pyx_memoryview_slots[] = {
+  {Py_tp_dealloc, (void *)__pyx_tp_dealloc_memoryview},
+  {Py_tp_repr, (void *)__pyx_memoryview___repr__},
+  {Py_sq_length, (void *)__pyx_memoryview___len__},
+  {Py_sq_item, (void *)__pyx_sq_item_memoryview},
+  {Py_mp_length, (void *)__pyx_memoryview___len__},
+  {Py_mp_subscript, (void *)__pyx_memoryview___getitem__},
+  {Py_mp_ass_subscript, (void *)__pyx_mp_ass_subscript_memoryview},
+  {Py_tp_str, (void *)__pyx_memoryview___str__},
+  #if defined(Py_bf_getbuffer)
+  {Py_bf_getbuffer, (void *)__pyx_memoryview_getbuffer},
+  #endif
+  {Py_tp_traverse, (void *)__pyx_tp_traverse_memoryview},
+  {Py_tp_clear, (void *)__pyx_tp_clear_memoryview},
+  {Py_tp_methods, (void *)__pyx_methods_memoryview},
+  {Py_tp_getset, (void *)__pyx_getsets_memoryview},
+  {Py_tp_new, (void *)__pyx_tp_new_memoryview},
+  {0, 0},
+};
+static PyType_Spec __pyx_type___pyx_memoryview_spec = {
+  "dense.memoryview",
+  sizeof(struct __pyx_memoryview_obj),
+  0,
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC,
+  __pyx_type___pyx_memoryview_slots,
+};
+#else
+
+static PySequenceMethods __pyx_tp_as_sequence_memoryview = {
+  __pyx_memoryview___len__, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  __pyx_sq_item_memoryview, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_memoryview = {
+  __pyx_memoryview___len__, /*mp_length*/
+  __pyx_memoryview___getitem__, /*mp_subscript*/
+  __pyx_mp_ass_subscript_memoryview, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_memoryview = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  __pyx_memoryview_getbuffer, /*bf_getbuffer*/
+  0, /*bf_releasebuffer*/
+};
+
+static PyTypeObject __pyx_type___pyx_memoryview = {
+  PyVarObject_HEAD_INIT(0, 0)
+  "dense.""memoryview", /*tp_name*/
+  sizeof(struct __pyx_memoryview_obj), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_memoryview, /*tp_dealloc*/
+  #if PY_VERSION_HEX < 0x030800b4
+  0, /*tp_print*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030800b4
+  0, /*tp_vectorcall_offset*/
+  #endif
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #endif
+  #if PY_MAJOR_VERSION >= 3
+  0, /*tp_as_async*/
+  #endif
+  __pyx_memoryview___repr__, /*tp_repr*/
+  0, /*tp_as_number*/
+  &__pyx_tp_as_sequence_memoryview, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_memoryview, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  __pyx_memoryview___str__, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_memoryview, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_memoryview, /*tp_traverse*/
+  __pyx_tp_clear_memoryview, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_memoryview, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_memoryview, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  #if !CYTHON_USE_TYPE_SPECS
+  0, /*tp_dictoffset*/
+  #endif
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_memoryview, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  0, /*tp_version_tag*/
+  #if PY_VERSION_HEX >= 0x030400a1
+  #if CYTHON_USE_TP_FINALIZE
+  0, /*tp_finalize*/
+  #else
+  NULL, /*tp_finalize*/
+  #endif
+  #endif
+  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
+  0, /*tp_vectorcall*/
+  #endif
+  #if __PYX_NEED_TP_PRINT_SLOT == 1
+  0, /*tp_print*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030C0000
+  0, /*tp_watched*/
+  #endif
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+  0, /*tp_pypy_flags*/
+  #endif
+};
+#endif
+static struct __pyx_vtabstruct__memoryviewslice __pyx_vtable__memoryviewslice;
+
+static PyObject *__pyx_tp_new__memoryviewslice(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_memoryviewslice_obj *p;
+  PyObject *o = __pyx_tp_new_memoryview(t, a, k);
+  if (unlikely(!o)) return 0;
+  p = ((struct __pyx_memoryviewslice_obj *)o);
+  p->__pyx_base.__pyx_vtab = (struct __pyx_vtabstruct_memoryview*)__pyx_vtabptr__memoryviewslice;
+  p->from_object = Py_None; Py_INCREF(Py_None);
+  p->from_slice.memview = NULL;
+  return o;
+}
+
+static void __pyx_tp_dealloc__memoryviewslice(PyObject *o) {
+  struct __pyx_memoryviewslice_obj *p = (struct __pyx_memoryviewslice_obj *)o;
+  #if CYTHON_USE_TP_FINALIZE
+  if (unlikely((PY_VERSION_HEX >= 0x03080000 || __Pyx_PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE)) && __Pyx_PyObject_GetSlot(o, tp_finalize, destructor)) && !__Pyx_PyObject_GC_IsFinalized(o)) {
+    if (__Pyx_PyObject_GetSlot(o, tp_dealloc, destructor) == __pyx_tp_dealloc__memoryviewslice) {
+      if (PyObject_CallFinalizerFromDealloc(o)) return;
+    }
+  }
+  #endif
+  PyObject_GC_UnTrack(o);
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    __Pyx_SET_REFCNT(o, Py_REFCNT(o) + 1);
+    __pyx_memoryviewslice___dealloc__(o);
+    __Pyx_SET_REFCNT(o, Py_REFCNT(o) - 1);
+    PyErr_Restore(etype, eval, etb);
+  }
+  Py_CLEAR(p->from_object);
+  PyObject_GC_Track(o);
+  __pyx_tp_dealloc_memoryview(o);
+}
+
+static int __pyx_tp_traverse__memoryviewslice(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_memoryviewslice_obj *p = (struct __pyx_memoryviewslice_obj *)o;
+  e = __pyx_tp_traverse_memoryview(o, v, a); if (e) return e;
+  if (p->from_object) {
+    e = (*v)(p->from_object, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear__memoryviewslice(PyObject *o) {
+  PyObject* tmp;
+  struct __pyx_memoryviewslice_obj *p = (struct __pyx_memoryviewslice_obj *)o;
+  __pyx_tp_clear_memoryview(o);
+  tmp = ((PyObject*)p->from_object);
+  p->from_object = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  __PYX_XCLEAR_MEMVIEW(&p->from_slice, 1);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods__memoryviewslice[] = {
+  {"__reduce_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_memoryviewslice_1__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"__setstate_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_memoryviewslice_3__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {0, 0, 0, 0}
+};
+#if CYTHON_USE_TYPE_SPECS
+static PyType_Slot __pyx_type___pyx_memoryviewslice_slots[] = {
+  {Py_tp_dealloc, (void *)__pyx_tp_dealloc__memoryviewslice},
+  {Py_tp_doc, (void *)PyDoc_STR("Internal class for passing memoryview slices to Python")},
+  {Py_tp_traverse, (void *)__pyx_tp_traverse__memoryviewslice},
+  {Py_tp_clear, (void *)__pyx_tp_clear__memoryviewslice},
+  {Py_tp_methods, (void *)__pyx_methods__memoryviewslice},
+  {Py_tp_new, (void *)__pyx_tp_new__memoryviewslice},
+  {0, 0},
+};
+static PyType_Spec __pyx_type___pyx_memoryviewslice_spec = {
+  "dense._memoryviewslice",
+  sizeof(struct __pyx_memoryviewslice_obj),
+  0,
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC|Py_TPFLAGS_SEQUENCE,
+  __pyx_type___pyx_memoryviewslice_slots,
+};
+#else
+
+static PyTypeObject __pyx_type___pyx_memoryviewslice = {
+  PyVarObject_HEAD_INIT(0, 0)
+  "dense.""_memoryviewslice", /*tp_name*/
+  sizeof(struct __pyx_memoryviewslice_obj), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_array, /*tp_dealloc*/
+  __pyx_tp_dealloc__memoryviewslice, /*tp_dealloc*/
   #if PY_VERSION_HEX < 0x030800b4
   0, /*tp_print*/
   #endif
@@ -17664,35 +21056,45 @@ static PyTypeObject __pyx_type___pyx_array = {
   #if PY_MAJOR_VERSION >= 3
   0, /*tp_as_async*/
   #endif
+  #if CYTHON_COMPILING_IN_PYPY || 0
+  __pyx_memoryview___repr__, /*tp_repr*/
+  #else
   0, /*tp_repr*/
+  #endif
   0, /*tp_as_number*/
-  &__pyx_tp_as_sequence_array, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_array, /*tp_as_mapping*/
+  0, /*tp_as_sequence*/
+  0, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
+  #if CYTHON_COMPILING_IN_PYPY || 0
+  __pyx_memoryview___str__, /*tp_str*/
+  #else
   0, /*tp_str*/
-  __pyx_tp_getattro_array, /*tp_getattro*/
+  #endif
+  0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_array, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
-  0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
+  0, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC|Py_TPFLAGS_SEQUENCE, /*tp_flags*/
+  PyDoc_STR("Internal class for passing memoryview slices to Python"), /*tp_doc*/
+  __pyx_tp_traverse__memoryviewslice, /*tp_traverse*/
+  __pyx_tp_clear__memoryviewslice, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_array, /*tp_methods*/
+  __pyx_methods__memoryviewslice, /*tp_methods*/
   0, /*tp_members*/
-  __pyx_getsets_array, /*tp_getset*/
+  0, /*tp_getset*/
   0, /*tp_base*/
   0, /*tp_dict*/
   0, /*tp_descr_get*/
   0, /*tp_descr_set*/
+  #if !CYTHON_USE_TYPE_SPECS
   0, /*tp_dictoffset*/
+  #endif
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_array, /*tp_new*/
+  __pyx_tp_new__memoryviewslice, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -17703,1571 +21105,3191 @@ static PyTypeObject __pyx_type___pyx_array = {
   0, /*tp_del*/
   0, /*tp_version_tag*/
   #if PY_VERSION_HEX >= 0x030400a1
+  #if CYTHON_USE_TP_FINALIZE
   0, /*tp_finalize*/
+  #else
+  NULL, /*tp_finalize*/
   #endif
-  #if PY_VERSION_HEX >= 0x030800b1
+  #endif
+  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
   0, /*tp_vectorcall*/
   #endif
-  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
+  #if __PYX_NEED_TP_PRINT_SLOT == 1
   0, /*tp_print*/
   #endif
+  #if PY_VERSION_HEX >= 0x030C0000
+  0, /*tp_watched*/
+  #endif
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+  0, /*tp_pypy_flags*/
+  #endif
+};
+#endif
+
+static PyMethodDef __pyx_methods[] = {
+  {0, 0, 0, 0}
 };
+#ifndef CYTHON_SMALL_CODE
+#if defined(__clang__)
+    #define CYTHON_SMALL_CODE
+#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
+    #define CYTHON_SMALL_CODE __attribute__((cold))
+#else
+    #define CYTHON_SMALL_CODE
+#endif
+#endif
+/* #### Code section: pystring_table ### */
+
+static int __Pyx_CreateStringTabAndInitStrings(void) {
+  __Pyx_StringTabEntry __pyx_string_tab[] = {
+    {&__pyx_kp_u_, __pyx_k_, sizeof(__pyx_k_), 0, 1, 0, 0},
+    {&__pyx_n_s_ASCII, __pyx_k_ASCII, sizeof(__pyx_k_ASCII), 0, 0, 1, 1},
+    {&__pyx_kp_s_All_dimensions_preceding_dimensi, __pyx_k_All_dimensions_preceding_dimensi, sizeof(__pyx_k_All_dimensions_preceding_dimensi), 0, 0, 1, 0},
+    {&__pyx_n_s_AssertionError, __pyx_k_AssertionError, sizeof(__pyx_k_AssertionError), 0, 0, 1, 1},
+    {&__pyx_kp_s_Buffer_view_does_not_expose_stri, __pyx_k_Buffer_view_does_not_expose_stri, sizeof(__pyx_k_Buffer_view_does_not_expose_stri), 0, 0, 1, 0},
+    {&__pyx_kp_s_Can_only_create_a_buffer_that_is, __pyx_k_Can_only_create_a_buffer_that_is, sizeof(__pyx_k_Can_only_create_a_buffer_that_is), 0, 0, 1, 0},
+    {&__pyx_kp_s_Cannot_assign_to_read_only_memor, __pyx_k_Cannot_assign_to_read_only_memor, sizeof(__pyx_k_Cannot_assign_to_read_only_memor), 0, 0, 1, 0},
+    {&__pyx_kp_s_Cannot_create_writable_memory_vi, __pyx_k_Cannot_create_writable_memory_vi, sizeof(__pyx_k_Cannot_create_writable_memory_vi), 0, 0, 1, 0},
+    {&__pyx_kp_u_Cannot_index_with_type, __pyx_k_Cannot_index_with_type, sizeof(__pyx_k_Cannot_index_with_type), 0, 1, 0, 0},
+    {&__pyx_kp_s_Cannot_transpose_memoryview_with, __pyx_k_Cannot_transpose_memoryview_with, sizeof(__pyx_k_Cannot_transpose_memoryview_with), 0, 0, 1, 0},
+    {&__pyx_kp_s_Dimension_d_is_not_direct, __pyx_k_Dimension_d_is_not_direct, sizeof(__pyx_k_Dimension_d_is_not_direct), 0, 0, 1, 0},
+    {&__pyx_n_s_Ellipsis, __pyx_k_Ellipsis, sizeof(__pyx_k_Ellipsis), 0, 0, 1, 1},
+    {&__pyx_kp_s_Empty_shape_tuple_for_cython_arr, __pyx_k_Empty_shape_tuple_for_cython_arr, sizeof(__pyx_k_Empty_shape_tuple_for_cython_arr), 0, 0, 1, 0},
+    {&__pyx_kp_s_Incompatible_checksums_0x_x_vs_0, __pyx_k_Incompatible_checksums_0x_x_vs_0, sizeof(__pyx_k_Incompatible_checksums_0x_x_vs_0), 0, 0, 1, 0},
+    {&__pyx_n_s_IndexError, __pyx_k_IndexError, sizeof(__pyx_k_IndexError), 0, 0, 1, 1},
+    {&__pyx_kp_s_Index_out_of_bounds_axis_d, __pyx_k_Index_out_of_bounds_axis_d, sizeof(__pyx_k_Index_out_of_bounds_axis_d), 0, 0, 1, 0},
+    {&__pyx_kp_s_Indirect_dimensions_not_supporte, __pyx_k_Indirect_dimensions_not_supporte, sizeof(__pyx_k_Indirect_dimensions_not_supporte), 0, 0, 1, 0},
+    {&__pyx_kp_u_Invalid_mode_expected_c_or_fortr, __pyx_k_Invalid_mode_expected_c_or_fortr, sizeof(__pyx_k_Invalid_mode_expected_c_or_fortr), 0, 1, 0, 0},
+    {&__pyx_kp_u_Invalid_shape_in_axis, __pyx_k_Invalid_shape_in_axis, sizeof(__pyx_k_Invalid_shape_in_axis), 0, 1, 0, 0},
+    {&__pyx_n_s_MemoryError, __pyx_k_MemoryError, sizeof(__pyx_k_MemoryError), 0, 0, 1, 1},
+    {&__pyx_kp_s_MemoryView_of_r_at_0x_x, __pyx_k_MemoryView_of_r_at_0x_x, sizeof(__pyx_k_MemoryView_of_r_at_0x_x), 0, 0, 1, 0},
+    {&__pyx_kp_s_MemoryView_of_r_object, __pyx_k_MemoryView_of_r_object, sizeof(__pyx_k_MemoryView_of_r_object), 0, 0, 1, 0},
+    {&__pyx_n_b_O, __pyx_k_O, sizeof(__pyx_k_O), 0, 0, 0, 1},
+    {&__pyx_kp_u_Out_of_bounds_on_buffer_access_a, __pyx_k_Out_of_bounds_on_buffer_access_a, sizeof(__pyx_k_Out_of_bounds_on_buffer_access_a), 0, 1, 0, 0},
+    {&__pyx_n_s_PickleError, __pyx_k_PickleError, sizeof(__pyx_k_PickleError), 0, 0, 1, 1},
+    {&__pyx_n_s_Sequence, __pyx_k_Sequence, sizeof(__pyx_k_Sequence), 0, 0, 1, 1},
+    {&__pyx_kp_s_Step_may_not_be_zero_axis_d, __pyx_k_Step_may_not_be_zero_axis_d, sizeof(__pyx_k_Step_may_not_be_zero_axis_d), 0, 0, 1, 0},
+    {&__pyx_n_s_TypeError, __pyx_k_TypeError, sizeof(__pyx_k_TypeError), 0, 0, 1, 1},
+    {&__pyx_kp_s_Unable_to_convert_item_to_object, __pyx_k_Unable_to_convert_item_to_object, sizeof(__pyx_k_Unable_to_convert_item_to_object), 0, 0, 1, 0},
+    {&__pyx_n_s_ValueError, __pyx_k_ValueError, sizeof(__pyx_k_ValueError), 0, 0, 1, 1},
+    {&__pyx_n_s_View_MemoryView, __pyx_k_View_MemoryView, sizeof(__pyx_k_View_MemoryView), 0, 0, 1, 1},
+    {&__pyx_kp_u__2, __pyx_k__2, sizeof(__pyx_k__2), 0, 1, 0, 0},
+    {&__pyx_n_s__25, __pyx_k__25, sizeof(__pyx_k__25), 0, 0, 1, 1},
+    {&__pyx_n_s__3, __pyx_k__3, sizeof(__pyx_k__3), 0, 0, 1, 1},
+    {&__pyx_kp_u__6, __pyx_k__6, sizeof(__pyx_k__6), 0, 1, 0, 0},
+    {&__pyx_kp_u__7, __pyx_k__7, sizeof(__pyx_k__7), 0, 1, 0, 0},
+    {&__pyx_n_s_abc, __pyx_k_abc, sizeof(__pyx_k_abc), 0, 0, 1, 1},
+    {&__pyx_n_s_allocate_buffer, __pyx_k_allocate_buffer, sizeof(__pyx_k_allocate_buffer), 0, 0, 1, 1},
+    {&__pyx_kp_u_and, __pyx_k_and, sizeof(__pyx_k_and), 0, 1, 0, 0},
+    {&__pyx_n_s_any, __pyx_k_any, sizeof(__pyx_k_any), 0, 0, 1, 1},
+    {&__pyx_n_s_argmax, __pyx_k_argmax, sizeof(__pyx_k_argmax), 0, 0, 1, 1},
+    {&__pyx_n_s_asarray, __pyx_k_asarray, sizeof(__pyx_k_asarray), 0, 0, 1, 1},
+    {&__pyx_n_s_astype, __pyx_k_astype, sizeof(__pyx_k_astype), 0, 0, 1, 1},
+    {&__pyx_n_s_asyncio_coroutines, __pyx_k_asyncio_coroutines, sizeof(__pyx_k_asyncio_coroutines), 0, 0, 1, 1},
+    {&__pyx_n_s_axis, __pyx_k_axis, sizeof(__pyx_k_axis), 0, 0, 1, 1},
+    {&__pyx_n_s_base, __pyx_k_base, sizeof(__pyx_k_base), 0, 0, 1, 1},
+    {&__pyx_n_s_c, __pyx_k_c, sizeof(__pyx_k_c), 0, 0, 1, 1},
+    {&__pyx_n_u_c, __pyx_k_c, sizeof(__pyx_k_c), 0, 1, 0, 1},
+    {&__pyx_n_s_class, __pyx_k_class, sizeof(__pyx_k_class), 0, 0, 1, 1},
+    {&__pyx_n_s_class_getitem, __pyx_k_class_getitem, sizeof(__pyx_k_class_getitem), 0, 0, 1, 1},
+    {&__pyx_n_s_cline_in_traceback, __pyx_k_cline_in_traceback, sizeof(__pyx_k_cline_in_traceback), 0, 0, 1, 1},
+    {&__pyx_n_s_collections, __pyx_k_collections, sizeof(__pyx_k_collections), 0, 0, 1, 1},
+    {&__pyx_kp_s_collections_abc, __pyx_k_collections_abc, sizeof(__pyx_k_collections_abc), 0, 0, 1, 0},
+    {&__pyx_kp_s_contiguous_and_direct, __pyx_k_contiguous_and_direct, sizeof(__pyx_k_contiguous_and_direct), 0, 0, 1, 0},
+    {&__pyx_kp_s_contiguous_and_indirect, __pyx_k_contiguous_and_indirect, sizeof(__pyx_k_contiguous_and_indirect), 0, 0, 1, 0},
+    {&__pyx_n_s_count, __pyx_k_count, sizeof(__pyx_k_count), 0, 0, 1, 1},
+    {&__pyx_n_s_data, __pyx_k_data, sizeof(__pyx_k_data), 0, 0, 1, 1},
+    {&__pyx_n_s_dense, __pyx_k_dense, sizeof(__pyx_k_dense), 0, 0, 1, 1},
+    {&__pyx_n_s_dict, __pyx_k_dict, sizeof(__pyx_k_dict), 0, 0, 1, 1},
+    {&__pyx_kp_u_disable, __pyx_k_disable, sizeof(__pyx_k_disable), 0, 1, 0, 0},
+    {&__pyx_n_s_dtype, __pyx_k_dtype, sizeof(__pyx_k_dtype), 0, 0, 1, 1},
+    {&__pyx_n_s_dtype_is_object, __pyx_k_dtype_is_object, sizeof(__pyx_k_dtype_is_object), 0, 0, 1, 1},
+    {&__pyx_kp_u_enable, __pyx_k_enable, sizeof(__pyx_k_enable), 0, 1, 0, 0},
+    {&__pyx_n_s_encode, __pyx_k_encode, sizeof(__pyx_k_encode), 0, 0, 1, 1},
+    {&__pyx_n_s_enumerate, __pyx_k_enumerate, sizeof(__pyx_k_enumerate), 0, 0, 1, 1},
+    {&__pyx_n_s_error, __pyx_k_error, sizeof(__pyx_k_error), 0, 0, 1, 1},
+    {&__pyx_kp_s_fastXPCS_cython_dense_pyx, __pyx_k_fastXPCS_cython_dense_pyx, sizeof(__pyx_k_fastXPCS_cython_dense_pyx), 0, 0, 1, 0},
+    {&__pyx_n_s_flags, __pyx_k_flags, sizeof(__pyx_k_flags), 0, 0, 1, 1},
+    {&__pyx_n_s_float32, __pyx_k_float32, sizeof(__pyx_k_float32), 0, 0, 1, 1},
+    {&__pyx_n_s_format, __pyx_k_format, sizeof(__pyx_k_format), 0, 0, 1, 1},
+    {&__pyx_n_s_fortran, __pyx_k_fortran, sizeof(__pyx_k_fortran), 0, 0, 1, 1},
+    {&__pyx_n_u_fortran, __pyx_k_fortran, sizeof(__pyx_k_fortran), 0, 1, 0, 1},
+    {&__pyx_kp_u_gc, __pyx_k_gc, sizeof(__pyx_k_gc), 0, 1, 0, 0},
+    {&__pyx_n_s_getstate, __pyx_k_getstate, sizeof(__pyx_k_getstate), 0, 0, 1, 1},
+    {&__pyx_kp_u_got, __pyx_k_got, sizeof(__pyx_k_got), 0, 1, 0, 0},
+    {&__pyx_kp_u_got_differing_extents_in_dimensi, __pyx_k_got_differing_extents_in_dimensi, sizeof(__pyx_k_got_differing_extents_in_dimensi), 0, 1, 0, 0},
+    {&__pyx_n_s_id, __pyx_k_id, sizeof(__pyx_k_id), 0, 0, 1, 1},
+    {&__pyx_n_s_import, __pyx_k_import, sizeof(__pyx_k_import), 0, 0, 1, 1},
+    {&__pyx_n_s_index, __pyx_k_index, sizeof(__pyx_k_index), 0, 0, 1, 1},
+    {&__pyx_n_s_initializing, __pyx_k_initializing, sizeof(__pyx_k_initializing), 0, 0, 1, 1},
+    {&__pyx_n_s_int32, __pyx_k_int32, sizeof(__pyx_k_int32), 0, 0, 1, 1},
+    {&__pyx_n_s_int8, __pyx_k_int8, sizeof(__pyx_k_int8), 0, 0, 1, 1},
+    {&__pyx_n_s_is_coroutine, __pyx_k_is_coroutine, sizeof(__pyx_k_is_coroutine), 0, 0, 1, 1},
+    {&__pyx_kp_u_isenabled, __pyx_k_isenabled, sizeof(__pyx_k_isenabled), 0, 1, 0, 0},
+    {&__pyx_n_s_itemsize, __pyx_k_itemsize, sizeof(__pyx_k_itemsize), 0, 0, 1, 1},
+    {&__pyx_kp_s_itemsize_0_for_cython_array, __pyx_k_itemsize_0_for_cython_array, sizeof(__pyx_k_itemsize_0_for_cython_array), 0, 0, 1, 0},
+    {&__pyx_n_s_main, __pyx_k_main, sizeof(__pyx_k_main), 0, 0, 1, 1},
+    {&__pyx_n_s_mask, __pyx_k_mask, sizeof(__pyx_k_mask), 0, 0, 1, 1},
+    {&__pyx_n_s_memview, __pyx_k_memview, sizeof(__pyx_k_memview), 0, 0, 1, 1},
+    {&__pyx_n_s_mode, __pyx_k_mode, sizeof(__pyx_k_mode), 0, 0, 1, 1},
+    {&__pyx_n_s_name, __pyx_k_name, sizeof(__pyx_k_name), 0, 0, 1, 1},
+    {&__pyx_n_s_name_2, __pyx_k_name_2, sizeof(__pyx_k_name_2), 0, 0, 1, 1},
+    {&__pyx_n_s_ndim, __pyx_k_ndim, sizeof(__pyx_k_ndim), 0, 0, 1, 1},
+    {&__pyx_n_s_new, __pyx_k_new, sizeof(__pyx_k_new), 0, 0, 1, 1},
+    {&__pyx_kp_s_no_default___reduce___due_to_non, __pyx_k_no_default___reduce___due_to_non, sizeof(__pyx_k_no_default___reduce___due_to_non), 0, 0, 1, 0},
+    {&__pyx_n_s_np, __pyx_k_np, sizeof(__pyx_k_np), 0, 0, 1, 1},
+    {&__pyx_n_s_numpy, __pyx_k_numpy, sizeof(__pyx_k_numpy), 0, 0, 1, 1},
+    {&__pyx_n_s_obj, __pyx_k_obj, sizeof(__pyx_k_obj), 0, 0, 1, 1},
+    {&__pyx_n_s_pack, __pyx_k_pack, sizeof(__pyx_k_pack), 0, 0, 1, 1},
+    {&__pyx_n_s_pickle, __pyx_k_pickle, sizeof(__pyx_k_pickle), 0, 0, 1, 1},
+    {&__pyx_n_s_prevDat, __pyx_k_prevDat, sizeof(__pyx_k_prevDat), 0, 0, 1, 1},
+    {&__pyx_n_s_pyx_PickleError, __pyx_k_pyx_PickleError, sizeof(__pyx_k_pyx_PickleError), 0, 0, 1, 1},
+    {&__pyx_n_s_pyx_checksum, __pyx_k_pyx_checksum, sizeof(__pyx_k_pyx_checksum), 0, 0, 1, 1},
+    {&__pyx_n_s_pyx_result, __pyx_k_pyx_result, sizeof(__pyx_k_pyx_result), 0, 0, 1, 1},
+    {&__pyx_n_s_pyx_state, __pyx_k_pyx_state, sizeof(__pyx_k_pyx_state), 0, 0, 1, 1},
+    {&__pyx_n_s_pyx_type, __pyx_k_pyx_type, sizeof(__pyx_k_pyx_type), 0, 0, 1, 1},
+    {&__pyx_n_s_pyx_unpickle_Enum, __pyx_k_pyx_unpickle_Enum, sizeof(__pyx_k_pyx_unpickle_Enum), 0, 0, 1, 1},
+    {&__pyx_n_s_pyx_vtable, __pyx_k_pyx_vtable, sizeof(__pyx_k_pyx_vtable), 0, 0, 1, 1},
+    {&__pyx_n_s_range, __pyx_k_range, sizeof(__pyx_k_range), 0, 0, 1, 1},
+    {&__pyx_n_s_ravel, __pyx_k_ravel, sizeof(__pyx_k_ravel), 0, 0, 1, 1},
+    {&__pyx_n_s_reduce, __pyx_k_reduce, sizeof(__pyx_k_reduce), 0, 0, 1, 1},
+    {&__pyx_n_s_reduce_cython, __pyx_k_reduce_cython, sizeof(__pyx_k_reduce_cython), 0, 0, 1, 1},
+    {&__pyx_n_s_reduce_ex, __pyx_k_reduce_ex, sizeof(__pyx_k_reduce_ex), 0, 0, 1, 1},
+    {&__pyx_n_s_register, __pyx_k_register, sizeof(__pyx_k_register), 0, 0, 1, 1},
+    {&__pyx_n_s_setstate, __pyx_k_setstate, sizeof(__pyx_k_setstate), 0, 0, 1, 1},
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+      __pyx_m_traverse, /* m_traverse */
+      __pyx_m_clear, /* m_clear */
+      NULL /* m_free */
+    #else
+      NULL, /* m_traverse */
+      NULL, /* m_clear */
+      NULL /* m_free */
+    #endif
+  };
+  #ifdef __cplusplus
+} /* anonymous namespace */
+#endif
+#endif
 
-static PyObject *__pyx_getprop___pyx_memoryview_suboffsets(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_15View_dot_MemoryView_10memoryview_10suboffsets_1__get__(o);
-}
+#ifndef CYTHON_NO_PYINIT_EXPORT
+#define __Pyx_PyMODINIT_FUNC PyMODINIT_FUNC
+#elif PY_MAJOR_VERSION < 3
+#ifdef __cplusplus
+#define __Pyx_PyMODINIT_FUNC extern "C" void
+#else
+#define __Pyx_PyMODINIT_FUNC void
+#endif
+#else
+#ifdef __cplusplus
+#define __Pyx_PyMODINIT_FUNC extern "C" PyObject *
+#else
+#define __Pyx_PyMODINIT_FUNC PyObject *
+#endif
+#endif
 
-static PyObject *__pyx_getprop___pyx_memoryview_ndim(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_15View_dot_MemoryView_10memoryview_4ndim_1__get__(o);
-}
 
-static PyObject *__pyx_getprop___pyx_memoryview_itemsize(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_15View_dot_MemoryView_10memoryview_8itemsize_1__get__(o);
+#if PY_MAJOR_VERSION < 3
+__Pyx_PyMODINIT_FUNC initdense(void) CYTHON_SMALL_CODE; /*proto*/
+__Pyx_PyMODINIT_FUNC initdense(void)
+#else
+__Pyx_PyMODINIT_FUNC PyInit_dense(void) CYTHON_SMALL_CODE; /*proto*/
+__Pyx_PyMODINIT_FUNC PyInit_dense(void)
+#if CYTHON_PEP489_MULTI_PHASE_INIT
+{
+  return PyModuleDef_Init(&__pyx_moduledef);
 }
-
-static PyObject *__pyx_getprop___pyx_memoryview_nbytes(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_15View_dot_MemoryView_10memoryview_6nbytes_1__get__(o);
+static CYTHON_SMALL_CODE int __Pyx_check_single_interpreter(void) {
+    #if PY_VERSION_HEX >= 0x030700A1
+    static PY_INT64_T main_interpreter_id = -1;
+    PY_INT64_T current_id = PyInterpreterState_GetID(PyThreadState_Get()->interp);
+    if (main_interpreter_id == -1) {
+        main_interpreter_id = current_id;
+        return (unlikely(current_id == -1)) ? -1 : 0;
+    } else if (unlikely(main_interpreter_id != current_id))
+    #else
+    static PyInterpreterState *main_interpreter = NULL;
+    PyInterpreterState *current_interpreter = PyThreadState_Get()->interp;
+    if (!main_interpreter) {
+        main_interpreter = current_interpreter;
+    } else if (unlikely(main_interpreter != current_interpreter))
+    #endif
+    {
+        PyErr_SetString(
+            PyExc_ImportError,
+            "Interpreter change detected - this module can only be loaded into one interpreter per process.");
+        return -1;
+    }
+    return 0;
 }
-
-static PyObject *__pyx_getprop___pyx_memoryview_size(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_15View_dot_MemoryView_10memoryview_4size_1__get__(o);
+#if CYTHON_COMPILING_IN_LIMITED_API
+static CYTHON_SMALL_CODE int __Pyx_copy_spec_to_module(PyObject *spec, PyObject *module, const char* from_name, const char* to_name, int allow_none)
+#else
+static CYTHON_SMALL_CODE int __Pyx_copy_spec_to_module(PyObject *spec, PyObject *moddict, const char* from_name, const char* to_name, int allow_none)
+#endif
+{
+    PyObject *value = PyObject_GetAttrString(spec, from_name);
+    int result = 0;
+    if (likely(value)) {
+        if (allow_none || value != Py_None) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+            result = PyModule_AddObject(module, to_name, value);
+#else
+            result = PyDict_SetItemString(moddict, to_name, value);
+#endif
+        }
+        Py_DECREF(value);
+    } else if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
+        PyErr_Clear();
+    } else {
+        result = -1;
+    }
+    return result;
+}
+static CYTHON_SMALL_CODE PyObject* __pyx_pymod_create(PyObject *spec, PyModuleDef *def) {
+    PyObject *module = NULL, *moddict, *modname;
+    CYTHON_UNUSED_VAR(def);
+    if (__Pyx_check_single_interpreter())
+        return NULL;
+    if (__pyx_m)
+        return __Pyx_NewRef(__pyx_m);
+    modname = PyObject_GetAttrString(spec, "name");
+    if (unlikely(!modname)) goto bad;
+    module = PyModule_NewObject(modname);
+    Py_DECREF(modname);
+    if (unlikely(!module)) goto bad;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    moddict = module;
+#else
+    moddict = PyModule_GetDict(module);
+    if (unlikely(!moddict)) goto bad;
+#endif
+    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "loader", "__loader__", 1) < 0)) goto bad;
+    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "origin", "__file__", 1) < 0)) goto bad;
+    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "parent", "__package__", 1) < 0)) goto bad;
+    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "submodule_search_locations", "__path__", 0) < 0)) goto bad;
+    return module;
+bad:
+    Py_XDECREF(module);
+    return NULL;
 }
 
-static PyMethodDef __pyx_methods_memoryview[] = {
-  {"is_c_contig", (PyCFunction)__pyx_memoryview_is_c_contig, METH_NOARGS, 0},
-  {"is_f_contig", (PyCFunction)__pyx_memoryview_is_f_contig, METH_NOARGS, 0},
-  {"copy", (PyCFunction)__pyx_memoryview_copy, METH_NOARGS, 0},
-  {"copy_fortran", (PyCFunction)__pyx_memoryview_copy_fortran, METH_NOARGS, 0},
-  {"__reduce_cython__", (PyCFunction)__pyx_pw___pyx_memoryview_1__reduce_cython__, METH_NOARGS, 0},
-  {"__setstate_cython__", (PyCFunction)__pyx_pw___pyx_memoryview_3__setstate_cython__, METH_O, 0},
-  {0, 0, 0, 0}
-};
-
-static struct PyGetSetDef __pyx_getsets_memoryview[] = {
-  {(char *)"T", __pyx_getprop___pyx_memoryview_T, 0, (char *)0, 0},
-  {(char *)"base", __pyx_getprop___pyx_memoryview_base, 0, (char *)0, 0},
-  {(char *)"shape", __pyx_getprop___pyx_memoryview_shape, 0, (char *)0, 0},
-  {(char *)"strides", __pyx_getprop___pyx_memoryview_strides, 0, (char *)0, 0},
-  {(char *)"suboffsets", __pyx_getprop___pyx_memoryview_suboffsets, 0, (char *)0, 0},
-  {(char *)"ndim", __pyx_getprop___pyx_memoryview_ndim, 0, (char *)0, 0},
-  {(char *)"itemsize", __pyx_getprop___pyx_memoryview_itemsize, 0, (char *)0, 0},
-  {(char *)"nbytes", __pyx_getprop___pyx_memoryview_nbytes, 0, (char *)0, 0},
-  {(char *)"size", __pyx_getprop___pyx_memoryview_size, 0, (char *)0, 0},
-  {0, 0, 0, 0, 0}
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_memoryview = {
-  __pyx_memoryview___len__, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  __pyx_sq_item_memoryview, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_memoryview = {
-  __pyx_memoryview___len__, /*mp_length*/
-  __pyx_memoryview___getitem__, /*mp_subscript*/
-  __pyx_mp_ass_subscript_memoryview, /*mp_ass_subscript*/
-};
 
-static PyBufferProcs __pyx_tp_as_buffer_memoryview = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
+static CYTHON_SMALL_CODE int __pyx_pymod_exec_dense(PyObject *__pyx_pyinit_module)
+#endif
+#endif
+{
+  int stringtab_initialized = 0;
+  #if CYTHON_USE_MODULE_STATE
+  int pystate_addmodule_run = 0;
+  #endif
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  int __pyx_t_6;
+  PyObject *__pyx_t_7 = NULL;
+  static PyThread_type_lock __pyx_t_8[8];
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannyDeclarations
+  #if CYTHON_PEP489_MULTI_PHASE_INIT
+  if (__pyx_m) {
+    if (__pyx_m == __pyx_pyinit_module) return 0;
+    PyErr_SetString(PyExc_RuntimeError, "Module 'dense' has already been imported. Re-initialisation is not supported.");
+    return -1;
+  }
+  #elif PY_MAJOR_VERSION >= 3
+  if (__pyx_m) return __Pyx_NewRef(__pyx_m);
   #endif
+  /*--- Module creation code ---*/
+  #if CYTHON_PEP489_MULTI_PHASE_INIT
+  __pyx_m = __pyx_pyinit_module;
+  Py_INCREF(__pyx_m);
+  #else
   #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
+  __pyx_m = Py_InitModule4("dense", __pyx_methods, 0, 0, PYTHON_API_VERSION); Py_XINCREF(__pyx_m);
+  if (unlikely(!__pyx_m)) __PYX_ERR(0, 1, __pyx_L1_error)
+  #elif CYTHON_USE_MODULE_STATE
+  __pyx_t_1 = PyModule_Create(&__pyx_moduledef); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 1, __pyx_L1_error)
+  {
+    int add_module_result = PyState_AddModule(__pyx_t_1, &__pyx_moduledef);
+    __pyx_t_1 = 0; /* transfer ownership from __pyx_t_1 to "dense" pseudovariable */
+    if (unlikely((add_module_result < 0))) __PYX_ERR(0, 1, __pyx_L1_error)
+    pystate_addmodule_run = 1;
+  }
+  #else
+  __pyx_m = PyModule_Create(&__pyx_moduledef);
+  if (unlikely(!__pyx_m)) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
   #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
+  CYTHON_UNUSED_VAR(__pyx_t_1);
+  __pyx_d = PyModule_GetDict(__pyx_m); if (unlikely(!__pyx_d)) __PYX_ERR(0, 1, __pyx_L1_error)
+  Py_INCREF(__pyx_d);
+  __pyx_b = __Pyx_PyImport_AddModuleRef(__Pyx_BUILTIN_MODULE_NAME); if (unlikely(!__pyx_b)) __PYX_ERR(0, 1, __pyx_L1_error)
+  __pyx_cython_runtime = __Pyx_PyImport_AddModuleRef((const char *) "cython_runtime"); if (unlikely(!__pyx_cython_runtime)) __PYX_ERR(0, 1, __pyx_L1_error)
+  if (PyObject_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
+  #if CYTHON_REFNANNY
+__Pyx_RefNanny = __Pyx_RefNannyImportAPI("refnanny");
+if (!__Pyx_RefNanny) {
+  PyErr_Clear();
+  __Pyx_RefNanny = __Pyx_RefNannyImportAPI("Cython.Runtime.refnanny");
+  if (!__Pyx_RefNanny)
+      Py_FatalError("failed to import 'refnanny' module");
+}
+#endif
+  __Pyx_RefNannySetupContext("__Pyx_PyMODINIT_FUNC PyInit_dense(void)", 0);
+  if (__Pyx_check_binary_version(__PYX_LIMITED_VERSION_HEX, __Pyx_get_runtime_version(), CYTHON_COMPILING_IN_LIMITED_API) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
+  #ifdef __Pxy_PyFrame_Initialize_Offsets
+  __Pxy_PyFrame_Initialize_Offsets();
   #endif
-  __pyx_memoryview_getbuffer, /*bf_getbuffer*/
-  0, /*bf_releasebuffer*/
-};
-
-static PyTypeObject __pyx_type___pyx_memoryview = {
-  PyVarObject_HEAD_INIT(0, 0)
-  "dense.memoryview", /*tp_name*/
-  sizeof(struct __pyx_memoryview_obj), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_memoryview, /*tp_dealloc*/
-  #if PY_VERSION_HEX < 0x030800b4
-  0, /*tp_print*/
+  __pyx_empty_tuple = PyTuple_New(0); if (unlikely(!__pyx_empty_tuple)) __PYX_ERR(0, 1, __pyx_L1_error)
+  __pyx_empty_bytes = PyBytes_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_bytes)) __PYX_ERR(0, 1, __pyx_L1_error)
+  __pyx_empty_unicode = PyUnicode_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_unicode)) __PYX_ERR(0, 1, __pyx_L1_error)
+  #ifdef __Pyx_CyFunction_USED
+  if (__pyx_CyFunction_init(__pyx_m) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
-  #if PY_VERSION_HEX >= 0x030800b4
-  0, /*tp_vectorcall_offset*/
+  #ifdef __Pyx_FusedFunction_USED
+  if (__pyx_FusedFunction_init(__pyx_m) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
+  #ifdef __Pyx_Coroutine_USED
+  if (__pyx_Coroutine_init(__pyx_m) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
-  #if PY_MAJOR_VERSION >= 3
-  0, /*tp_as_async*/
+  #ifdef __Pyx_Generator_USED
+  if (__pyx_Generator_init(__pyx_m) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
-  __pyx_memoryview___repr__, /*tp_repr*/
-  0, /*tp_as_number*/
-  &__pyx_tp_as_sequence_memoryview, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_memoryview, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  __pyx_memoryview___str__, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_memoryview, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_memoryview, /*tp_traverse*/
-  __pyx_tp_clear_memoryview, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_memoryview, /*tp_methods*/
-  0, /*tp_members*/
-  __pyx_getsets_memoryview, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_memoryview, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  0, /*tp_version_tag*/
-  #if PY_VERSION_HEX >= 0x030400a1
-  0, /*tp_finalize*/
+  #ifdef __Pyx_AsyncGen_USED
+  if (__pyx_AsyncGen_init(__pyx_m) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
-  #if PY_VERSION_HEX >= 0x030800b1
-  0, /*tp_vectorcall*/
+  #ifdef __Pyx_StopAsyncIteration_USED
+  if (__pyx_StopAsyncIteration_init(__pyx_m) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
-  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
-  0, /*tp_print*/
+  /*--- Library function declarations ---*/
+  /*--- Threads initialization code ---*/
+  #if defined(WITH_THREAD) && PY_VERSION_HEX < 0x030700F0 && defined(__PYX_FORCE_INIT_THREADS) && __PYX_FORCE_INIT_THREADS
+  PyEval_InitThreads();
   #endif
-};
-static struct __pyx_vtabstruct__memoryviewslice __pyx_vtable__memoryviewslice;
-
-static PyObject *__pyx_tp_new__memoryviewslice(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_memoryviewslice_obj *p;
-  PyObject *o = __pyx_tp_new_memoryview(t, a, k);
-  if (unlikely(!o)) return 0;
-  p = ((struct __pyx_memoryviewslice_obj *)o);
-  p->__pyx_base.__pyx_vtab = (struct __pyx_vtabstruct_memoryview*)__pyx_vtabptr__memoryviewslice;
-  p->from_object = Py_None; Py_INCREF(Py_None);
-  p->from_slice.memview = NULL;
-  return o;
-}
-
-static void __pyx_tp_dealloc__memoryviewslice(PyObject *o) {
-  struct __pyx_memoryviewslice_obj *p = (struct __pyx_memoryviewslice_obj *)o;
-  #if CYTHON_USE_TP_FINALIZE
-  if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
-    if (PyObject_CallFinalizerFromDealloc(o)) return;
-  }
+  /*--- Initialize various global constants etc. ---*/
+  if (__Pyx_InitConstants() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
+  stringtab_initialized = 1;
+  if (__Pyx_InitGlobals() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
+  #if PY_MAJOR_VERSION < 3 && (__PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT)
+  if (__Pyx_init_sys_getdefaultencoding_params() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
-  PyObject_GC_UnTrack(o);
+  if (__pyx_module_is_main_dense) {
+    if (PyObject_SetAttr(__pyx_m, __pyx_n_s_name_2, __pyx_n_s_main) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
+  }
+  #if PY_MAJOR_VERSION >= 3
   {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    __Pyx_SET_REFCNT(o, Py_REFCNT(o) + 1);
-    __pyx_memoryviewslice___dealloc__(o);
-    __Pyx_SET_REFCNT(o, Py_REFCNT(o) - 1);
-    PyErr_Restore(etype, eval, etb);
+    PyObject *modules = PyImport_GetModuleDict(); if (unlikely(!modules)) __PYX_ERR(0, 1, __pyx_L1_error)
+    if (!PyDict_GetItemString(modules, "dense")) {
+      if (unlikely((PyDict_SetItemString(modules, "dense", __pyx_m) < 0))) __PYX_ERR(0, 1, __pyx_L1_error)
+    }
   }
-  Py_CLEAR(p->from_object);
-  PyObject_GC_Track(o);
-  __pyx_tp_dealloc_memoryview(o);
-}
+  #endif
+  /*--- Builtin init code ---*/
+  if (__Pyx_InitCachedBuiltins() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
+  /*--- Constants init code ---*/
+  if (__Pyx_InitCachedConstants() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
+  /*--- Global type/function init code ---*/
+  (void)__Pyx_modinit_global_init_code();
+  (void)__Pyx_modinit_variable_export_code();
+  (void)__Pyx_modinit_function_export_code();
+  if (unlikely((__Pyx_modinit_type_init_code() < 0))) __PYX_ERR(0, 1, __pyx_L1_error)
+  (void)__Pyx_modinit_type_import_code();
+  (void)__Pyx_modinit_variable_import_code();
+  if (unlikely((__Pyx_modinit_function_import_code() < 0))) __PYX_ERR(0, 1, __pyx_L1_error)
+  /*--- Execution code ---*/
+  #if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
+  if (__Pyx_patch_abc() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
+  #endif
 
-static int __pyx_tp_traverse__memoryviewslice(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_memoryviewslice_obj *p = (struct __pyx_memoryviewslice_obj *)o;
-  e = __pyx_tp_traverse_memoryview(o, v, a); if (e) return e;
-  if (p->from_object) {
-    e = (*v)(p->from_object, a); if (e) return e;
-  }
-  return 0;
-}
+  /* "View.MemoryView":99
+ * 
+ * cdef object __pyx_collections_abc_Sequence "__pyx_collections_abc_Sequence"
+ * try:             # <<<<<<<<<<<<<<
+ *     if __import__("sys").version_info >= (3, 3):
+ *         __pyx_collections_abc_Sequence = __import__("collections.abc").abc.Sequence
+ */
+  {
+    __Pyx_PyThreadState_declare
+    __Pyx_PyThreadState_assign
+    __Pyx_ExceptionSave(&__pyx_t_1, &__pyx_t_2, &__pyx_t_3);
+    __Pyx_XGOTREF(__pyx_t_1);
+    __Pyx_XGOTREF(__pyx_t_2);
+    __Pyx_XGOTREF(__pyx_t_3);
+    /*try:*/ {
 
-static int __pyx_tp_clear__memoryviewslice(PyObject *o) {
-  PyObject* tmp;
-  struct __pyx_memoryviewslice_obj *p = (struct __pyx_memoryviewslice_obj *)o;
-  __pyx_tp_clear_memoryview(o);
-  tmp = ((PyObject*)p->from_object);
-  p->from_object = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  __PYX_XDEC_MEMVIEW(&p->from_slice, 1);
-  return 0;
-}
+      /* "View.MemoryView":100
+ * cdef object __pyx_collections_abc_Sequence "__pyx_collections_abc_Sequence"
+ * try:
+ *     if __import__("sys").version_info >= (3, 3):             # <<<<<<<<<<<<<<
+ *         __pyx_collections_abc_Sequence = __import__("collections.abc").abc.Sequence
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+    tstate->curexc_traceback = tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#endif
+}
+static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+#if PY_VERSION_HEX >= 0x030C00A6
+    PyObject* exc_value;
+    exc_value = tstate->current_exception;
+    tstate->current_exception = 0;
+    *value = exc_value;
+    *type = NULL;
+    *tb = NULL;
+    if (exc_value) {
+        *type = (PyObject*) Py_TYPE(exc_value);
+        Py_INCREF(*type);
+        #if CYTHON_COMPILING_IN_CPYTHON
+        *tb = ((PyBaseExceptionObject*) exc_value)->traceback;
+        Py_XINCREF(*tb);
+        #else
+        *tb = PyException_GetTraceback(exc_value);
+        #endif
+    }
+#else
+    *type = tstate->curexc_type;
+    *value = tstate->curexc_value;
+    *tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#endif
+}
+#endif
+
+/* PyObjectGetAttrStr */
+#if CYTHON_USE_TYPE_SLOTS
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_getattro))
+        return tp->tp_getattro(obj, attr_name);
+#if PY_MAJOR_VERSION < 3
+    if (likely(tp->tp_getattr))
+        return tp->tp_getattr(obj, PyString_AS_STRING(attr_name));
+#endif
+    return PyObject_GetAttr(obj, attr_name);
+}
+#endif
+
+/* PyObjectGetAttrStrNoError */
+#if __PYX_LIMITED_VERSION_HEX < 0x030d00A1
+static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) {
+    __Pyx_PyThreadState_declare
+    __Pyx_PyThreadState_assign
+    if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
+        __Pyx_PyErr_Clear();
+}
+#endif
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) {
+    PyObject *result;
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d00A1
+    (void) PyObject_GetOptionalAttr(obj, attr_name, &result);
+    return result;
+#else
+#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) {
+        return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1);
+    }
+#endif
+    result = __Pyx_PyObject_GetAttrStr(obj, attr_name);
+    if (unlikely(!result)) {
+        __Pyx_PyObject_GetAttrStr_ClearAttributeError();
+    }
+    return result;
+#endif
+}
 
-  /* "View.MemoryView":291
- * 
- * 
- * cdef contiguous = Enum("<contiguous and direct>")             # <<<<<<<<<<<<<<
- * cdef indirect_contiguous = Enum("<contiguous and indirect>")
- * 
- */
-  __pyx_tuple__22 = PyTuple_Pack(1, __pyx_kp_s_contiguous_and_direct); if (unlikely(!__pyx_tuple__22)) __PYX_ERR(1, 291, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_tuple__22);
-  __Pyx_GIVEREF(__pyx_tuple__22);
+/* GetBuiltinName */
+static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
+    PyObject* result = __Pyx_PyObject_GetAttrStrNoError(__pyx_b, name);
+    if (unlikely(!result) && !PyErr_Occurred()) {
+        PyErr_Format(PyExc_NameError,
+#if PY_MAJOR_VERSION >= 3
+            "name '%U' is not defined", name);
+#else
+            "name '%.200s' is not defined", PyString_AS_STRING(name));
+#endif
+    }
+    return result;
+}
 
-  /* "View.MemoryView":292
- * 
- * cdef contiguous = Enum("<contiguous and direct>")
- * cdef indirect_contiguous = Enum("<contiguous and indirect>")             # <<<<<<<<<<<<<<
- * 
- * 
- */
-  __pyx_tuple__23 = PyTuple_Pack(1, __pyx_kp_s_contiguous_and_indirect); if (unlikely(!__pyx_tuple__23)) __PYX_ERR(1, 292, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_tuple__23);
-  __Pyx_GIVEREF(__pyx_tuple__23);
+/* TupleAndListFromArray */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE void __Pyx_copy_object_array(PyObject *const *CYTHON_RESTRICT src, PyObject** CYTHON_RESTRICT dest, Py_ssize_t length) {
+    PyObject *v;
+    Py_ssize_t i;
+    for (i = 0; i < length; i++) {
+        v = dest[i] = src[i];
+        Py_INCREF(v);
+    }
+}
+static CYTHON_INLINE PyObject *
+__Pyx_PyTuple_FromArray(PyObject *const *src, Py_ssize_t n)
+{
+    PyObject *res;
+    if (n <= 0) {
+        Py_INCREF(__pyx_empty_tuple);
+        return __pyx_empty_tuple;
+    }
+    res = PyTuple_New(n);
+    if (unlikely(res == NULL)) return NULL;
+    __Pyx_copy_object_array(src, ((PyTupleObject*)res)->ob_item, n);
+    return res;
+}
+static CYTHON_INLINE PyObject *
+__Pyx_PyList_FromArray(PyObject *const *src, Py_ssize_t n)
+{
+    PyObject *res;
+    if (n <= 0) {
+        return PyList_New(0);
+    }
+    res = PyList_New(n);
+    if (unlikely(res == NULL)) return NULL;
+    __Pyx_copy_object_array(src, ((PyListObject*)res)->ob_item, n);
+    return res;
+}
+#endif
 
-  /* "(tree fragment)":1
- * def __pyx_unpickle_Enum(__pyx_type, long __pyx_checksum, __pyx_state):             # <<<<<<<<<<<<<<
- *     cdef object __pyx_PickleError
- *     cdef object __pyx_result
- */
-  __pyx_tuple__24 = PyTuple_Pack(5, __pyx_n_s_pyx_type, __pyx_n_s_pyx_checksum, __pyx_n_s_pyx_state, __pyx_n_s_pyx_PickleError, __pyx_n_s_pyx_result); if (unlikely(!__pyx_tuple__24)) __PYX_ERR(1, 1, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_tuple__24);
-  __Pyx_GIVEREF(__pyx_tuple__24);
-  __pyx_codeobj__25 = (PyObject*)__Pyx_PyCode_New(3, 0, 5, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__24, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_stringsource, __pyx_n_s_pyx_unpickle_Enum, 1, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__25)) __PYX_ERR(1, 1, __pyx_L1_error)
-  __Pyx_RefNannyFinishContext();
-  return 0;
-  __pyx_L1_error:;
-  __Pyx_RefNannyFinishContext();
-  return -1;
+/* BytesEquals */
+static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
+    if (s1 == s2) {
+        return (equals == Py_EQ);
+    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
+        const char *ps1, *ps2;
+        Py_ssize_t length = PyBytes_GET_SIZE(s1);
+        if (length != PyBytes_GET_SIZE(s2))
+            return (equals == Py_NE);
+        ps1 = PyBytes_AS_STRING(s1);
+        ps2 = PyBytes_AS_STRING(s2);
+        if (ps1[0] != ps2[0]) {
+            return (equals == Py_NE);
+        } else if (length == 1) {
+            return (equals == Py_EQ);
+        } else {
+            int result;
+#if CYTHON_USE_UNICODE_INTERNALS && (PY_VERSION_HEX < 0x030B0000)
+            Py_hash_t hash1, hash2;
+            hash1 = ((PyBytesObject*)s1)->ob_shash;
+            hash2 = ((PyBytesObject*)s2)->ob_shash;
+            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
+                return (equals == Py_NE);
+            }
+#endif
+            result = memcmp(ps1, ps2, (size_t)length);
+            return (equals == Py_EQ) ? (result == 0) : (result != 0);
+        }
+    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
+        return (equals == Py_NE);
+    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
+        return (equals == Py_NE);
+    } else {
+        int result;
+        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
+        if (!py_result)
+            return -1;
+        result = __Pyx_PyObject_IsTrue(py_result);
+        Py_DECREF(py_result);
+        return result;
+    }
+#endif
 }
 
-static CYTHON_SMALL_CODE int __Pyx_InitGlobals(void) {
-  if (__Pyx_InitStrings(__pyx_string_tab) < 0) __PYX_ERR(0, 1, __pyx_L1_error);
-  __pyx_int_0 = PyInt_FromLong(0); if (unlikely(!__pyx_int_0)) __PYX_ERR(0, 1, __pyx_L1_error)
-  __pyx_int_1 = PyInt_FromLong(1); if (unlikely(!__pyx_int_1)) __PYX_ERR(0, 1, __pyx_L1_error)
-  __pyx_int_184977713 = PyInt_FromLong(184977713L); if (unlikely(!__pyx_int_184977713)) __PYX_ERR(0, 1, __pyx_L1_error)
-  __pyx_int_neg_1 = PyInt_FromLong(-1); if (unlikely(!__pyx_int_neg_1)) __PYX_ERR(0, 1, __pyx_L1_error)
-  return 0;
-  __pyx_L1_error:;
-  return -1;
+/* UnicodeEquals */
+static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
+#if PY_MAJOR_VERSION < 3
+    PyObject* owned_ref = NULL;
+#endif
+    int s1_is_unicode, s2_is_unicode;
+    if (s1 == s2) {
+        goto return_eq;
+    }
+    s1_is_unicode = PyUnicode_CheckExact(s1);
+    s2_is_unicode = PyUnicode_CheckExact(s2);
+#if PY_MAJOR_VERSION < 3
+    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
+        owned_ref = PyUnicode_FromObject(s2);
+        if (unlikely(!owned_ref))
+            return -1;
+        s2 = owned_ref;
+        s2_is_unicode = 1;
+    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
+        owned_ref = PyUnicode_FromObject(s1);
+        if (unlikely(!owned_ref))
+            return -1;
+        s1 = owned_ref;
+        s1_is_unicode = 1;
+    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
+        return __Pyx_PyBytes_Equals(s1, s2, equals);
+    }
+#endif
+    if (s1_is_unicode & s2_is_unicode) {
+        Py_ssize_t length;
+        int kind;
+        void *data1, *data2;
+        if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0))
+            return -1;
+        length = __Pyx_PyUnicode_GET_LENGTH(s1);
+        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
+            goto return_ne;
+        }
+#if CYTHON_USE_UNICODE_INTERNALS
+        {
+            Py_hash_t hash1, hash2;
+        #if CYTHON_PEP393_ENABLED
+            hash1 = ((PyASCIIObject*)s1)->hash;
+            hash2 = ((PyASCIIObject*)s2)->hash;
+        #else
+            hash1 = ((PyUnicodeObject*)s1)->hash;
+            hash2 = ((PyUnicodeObject*)s2)->hash;
+        #endif
+            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
+                goto return_ne;
+            }
+        }
+#endif
+        kind = __Pyx_PyUnicode_KIND(s1);
+        if (kind != __Pyx_PyUnicode_KIND(s2)) {
+            goto return_ne;
+        }
+        data1 = __Pyx_PyUnicode_DATA(s1);
+        data2 = __Pyx_PyUnicode_DATA(s2);
+        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
+            goto return_ne;
+        } else if (length == 1) {
+            goto return_eq;
+        } else {
+            int result = memcmp(data1, data2, (size_t)(length * kind));
+            #if PY_MAJOR_VERSION < 3
+            Py_XDECREF(owned_ref);
+            #endif
+            return (equals == Py_EQ) ? (result == 0) : (result != 0);
+        }
+    } else if ((s1 == Py_None) & s2_is_unicode) {
+        goto return_ne;
+    } else if ((s2 == Py_None) & s1_is_unicode) {
+        goto return_ne;
+    } else {
+        int result;
+        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
+        #if PY_MAJOR_VERSION < 3
+        Py_XDECREF(owned_ref);
+        #endif
+        if (!py_result)
+            return -1;
+        result = __Pyx_PyObject_IsTrue(py_result);
+        Py_DECREF(py_result);
+        return result;
+    }
+return_eq:
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(owned_ref);
+    #endif
+    return (equals == Py_EQ);
+return_ne:
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(owned_ref);
+    #endif
+    return (equals == Py_NE);
+#endif
 }
 
-static CYTHON_SMALL_CODE int __Pyx_modinit_global_init_code(void); /*proto*/
-static CYTHON_SMALL_CODE int __Pyx_modinit_variable_export_code(void); /*proto*/
-static CYTHON_SMALL_CODE int __Pyx_modinit_function_export_code(void); /*proto*/
-static CYTHON_SMALL_CODE int __Pyx_modinit_type_init_code(void); /*proto*/
-static CYTHON_SMALL_CODE int __Pyx_modinit_type_import_code(void); /*proto*/
-static CYTHON_SMALL_CODE int __Pyx_modinit_variable_import_code(void); /*proto*/
-static CYTHON_SMALL_CODE int __Pyx_modinit_function_import_code(void); /*proto*/
+/* fastcall */
+#if CYTHON_METH_FASTCALL
+static CYTHON_INLINE PyObject * __Pyx_GetKwValue_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues, PyObject *s)
+{
+    Py_ssize_t i, n = PyTuple_GET_SIZE(kwnames);
+    for (i = 0; i < n; i++)
+    {
+        if (s == PyTuple_GET_ITEM(kwnames, i)) return kwvalues[i];
+    }
+    for (i = 0; i < n; i++)
+    {
+        int eq = __Pyx_PyUnicode_Equals(s, PyTuple_GET_ITEM(kwnames, i), Py_EQ);
+        if (unlikely(eq != 0)) {
+            if (unlikely(eq < 0)) return NULL;
+            return kwvalues[i];
+        }
+    }
+    return NULL;
+}
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000
+CYTHON_UNUSED static PyObject *__Pyx_KwargsAsDict_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues) {
+    Py_ssize_t i, nkwargs = PyTuple_GET_SIZE(kwnames);
+    PyObject *dict;
+    dict = PyDict_New();
+    if (unlikely(!dict))
+        return NULL;
+    for (i=0; i<nkwargs; i++) {
+        PyObject *key = PyTuple_GET_ITEM(kwnames, i);
+        if (unlikely(PyDict_SetItem(dict, key, kwvalues[i]) < 0))
+            goto bad;
+    }
+    return dict;
+bad:
+    Py_DECREF(dict);
+    return NULL;
+}
+#endif
+#endif
 
-static int __Pyx_modinit_global_init_code(void) {
-  __Pyx_RefNannyDeclarations
-  __Pyx_RefNannySetupContext("__Pyx_modinit_global_init_code", 0);
-  /*--- Global init code ---*/
-  generic = Py_None; Py_INCREF(Py_None);
-  strided = Py_None; Py_INCREF(Py_None);
-  indirect = Py_None; Py_INCREF(Py_None);
-  contiguous = Py_None; Py_INCREF(Py_None);
-  indirect_contiguous = Py_None; Py_INCREF(Py_None);
-  __Pyx_RefNannyFinishContext();
-  return 0;
+/* RaiseArgTupleInvalid */
+static void __Pyx_RaiseArgtupleInvalid(
+    const char* func_name,
+    int exact,
+    Py_ssize_t num_min,
+    Py_ssize_t num_max,
+    Py_ssize_t num_found)
+{
+    Py_ssize_t num_expected;
+    const char *more_or_less;
+    if (num_found < num_min) {
+        num_expected = num_min;
+        more_or_less = "at least";
+    } else {
+        num_expected = num_max;
+        more_or_less = "at most";
+    }
+    if (exact) {
+        more_or_less = "exactly";
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                 func_name, more_or_less, num_expected,
+                 (num_expected == 1) ? "" : "s", num_found);
 }
 
-static int __Pyx_modinit_variable_export_code(void) {
-  __Pyx_RefNannyDeclarations
-  __Pyx_RefNannySetupContext("__Pyx_modinit_variable_export_code", 0);
-  /*--- Variable export code ---*/
-  __Pyx_RefNannyFinishContext();
-  return 0;
+/* RaiseDoubleKeywords */
+static void __Pyx_RaiseDoubleKeywordsError(
+    const char* func_name,
+    PyObject* kw_name)
+{
+    PyErr_Format(PyExc_TypeError,
+        #if PY_MAJOR_VERSION >= 3
+        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
+        #else
+        "%s() got multiple values for keyword argument '%s'", func_name,
+        PyString_AsString(kw_name));
+        #endif
 }
 
-static int __Pyx_modinit_function_export_code(void) {
-  __Pyx_RefNannyDeclarations
-  __Pyx_RefNannySetupContext("__Pyx_modinit_function_export_code", 0);
-  /*--- Function export code ---*/
-  __Pyx_RefNannyFinishContext();
-  return 0;
+/* ParseKeywords */
+static int __Pyx_ParseOptionalKeywords(
+    PyObject *kwds,
+    PyObject *const *kwvalues,
+    PyObject **argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    const char* function_name)
+{
+    PyObject *key = 0, *value = 0;
+    Py_ssize_t pos = 0;
+    PyObject*** name;
+    PyObject*** first_kw_arg = argnames + num_pos_args;
+    int kwds_is_tuple = CYTHON_METH_FASTCALL && likely(PyTuple_Check(kwds));
+    while (1) {
+        Py_XDECREF(key); key = NULL;
+        Py_XDECREF(value); value = NULL;
+        if (kwds_is_tuple) {
+            Py_ssize_t size;
+#if CYTHON_ASSUME_SAFE_MACROS
+            size = PyTuple_GET_SIZE(kwds);
+#else
+            size = PyTuple_Size(kwds);
+            if (size < 0) goto bad;
+#endif
+            if (pos >= size) break;
+#if CYTHON_AVOID_BORROWED_REFS
+            key = __Pyx_PySequence_ITEM(kwds, pos);
+            if (!key) goto bad;
+#elif CYTHON_ASSUME_SAFE_MACROS
+            key = PyTuple_GET_ITEM(kwds, pos);
+#else
+            key = PyTuple_GetItem(kwds, pos);
+            if (!key) goto bad;
+#endif
+            value = kwvalues[pos];
+            pos++;
+        }
+        else
+        {
+            if (!PyDict_Next(kwds, &pos, &key, &value)) break;
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_INCREF(key);
+#endif
+        }
+        name = first_kw_arg;
+        while (*name && (**name != key)) name++;
+        if (*name) {
+            values[name-argnames] = value;
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_INCREF(value);
+            Py_DECREF(key);
+#endif
+            key = NULL;
+            value = NULL;
+            continue;
+        }
+#if !CYTHON_AVOID_BORROWED_REFS
+        Py_INCREF(key);
+#endif
+        Py_INCREF(value);
+        name = first_kw_arg;
+        #if PY_MAJOR_VERSION < 3
+        if (likely(PyString_Check(key))) {
+            while (*name) {
+                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
+                        && _PyString_Eq(**name, key)) {
+                    values[name-argnames] = value;
+#if CYTHON_AVOID_BORROWED_REFS
+                    value = NULL;
+#endif
+                    break;
+                }
+                name++;
+            }
+            if (*name) continue;
+            else {
+                PyObject*** argname = argnames;
+                while (argname != first_kw_arg) {
+                    if ((**argname == key) || (
+                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
+                             && _PyString_Eq(**argname, key))) {
+                        goto arg_passed_twice;
+                    }
+                    argname++;
+                }
+            }
+        } else
+        #endif
+        if (likely(PyUnicode_Check(key))) {
+            while (*name) {
+                int cmp = (
+                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
+                    (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
+                #endif
+                    PyUnicode_Compare(**name, key)
+                );
+                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
+                if (cmp == 0) {
+                    values[name-argnames] = value;
+#if CYTHON_AVOID_BORROWED_REFS
+                    value = NULL;
+#endif
+                    break;
+                }
+                name++;
+            }
+            if (*name) continue;
+            else {
+                PyObject*** argname = argnames;
+                while (argname != first_kw_arg) {
+                    int cmp = (**argname == key) ? 0 :
+                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
+                        (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
+                    #endif
+                        PyUnicode_Compare(**argname, key);
+                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
+                    if (cmp == 0) goto arg_passed_twice;
+                    argname++;
+                }
+            }
+        } else
+            goto invalid_keyword_type;
+        if (kwds2) {
+            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
+        } else {
+            goto invalid_keyword;
+        }
+    }
+    Py_XDECREF(key);
+    Py_XDECREF(value);
+    return 0;
+arg_passed_twice:
+    __Pyx_RaiseDoubleKeywordsError(function_name, key);
+    goto bad;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() keywords must be strings", function_name);
+    goto bad;
+invalid_keyword:
+    #if PY_MAJOR_VERSION < 3
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() got an unexpected keyword argument '%.200s'",
+        function_name, PyString_AsString(key));
+    #else
+    PyErr_Format(PyExc_TypeError,
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+bad:
+    Py_XDECREF(key);
+    Py_XDECREF(value);
+    return -1;
 }
 
-static int __Pyx_modinit_type_init_code(void) {
-  __Pyx_RefNannyDeclarations
-  int __pyx_lineno = 0;
-  const char *__pyx_filename = NULL;
-  int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("__Pyx_modinit_type_init_code", 0);
-  /*--- Type init code ---*/
-  __pyx_vtabptr_array = &__pyx_vtable_array;
-  __pyx_vtable_array.get_memview = (PyObject *(*)(struct __pyx_array_obj *))__pyx_array_get_memview;
-  if (PyType_Ready(&__pyx_type___pyx_array) < 0) __PYX_ERR(1, 105, __pyx_L1_error)
-  #if PY_VERSION_HEX < 0x030800B1
-  __pyx_type___pyx_array.tp_print = 0;
-  #endif
-  if (__Pyx_SetVtable(__pyx_type___pyx_array.tp_dict, __pyx_vtabptr_array) < 0) __PYX_ERR(1, 105, __pyx_L1_error)
-  if (__Pyx_setup_reduce((PyObject*)&__pyx_type___pyx_array) < 0) __PYX_ERR(1, 105, __pyx_L1_error)
-  __pyx_array_type = &__pyx_type___pyx_array;
-  if (PyType_Ready(&__pyx_type___pyx_MemviewEnum) < 0) __PYX_ERR(1, 279, __pyx_L1_error)
-  #if PY_VERSION_HEX < 0x030800B1
-  __pyx_type___pyx_MemviewEnum.tp_print = 0;
-  #endif
-  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type___pyx_MemviewEnum.tp_dictoffset && __pyx_type___pyx_MemviewEnum.tp_getattro == PyObject_GenericGetAttr)) {
-    __pyx_type___pyx_MemviewEnum.tp_getattro = __Pyx_PyObject_GenericGetAttr;
-  }
-  if (__Pyx_setup_reduce((PyObject*)&__pyx_type___pyx_MemviewEnum) < 0) __PYX_ERR(1, 279, __pyx_L1_error)
-  __pyx_MemviewEnum_type = &__pyx_type___pyx_MemviewEnum;
-  __pyx_vtabptr_memoryview = &__pyx_vtable_memoryview;
-  __pyx_vtable_memoryview.get_item_pointer = (char *(*)(struct __pyx_memoryview_obj *, PyObject *))__pyx_memoryview_get_item_pointer;
-  __pyx_vtable_memoryview.is_slice = (PyObject *(*)(struct __pyx_memoryview_obj *, PyObject *))__pyx_memoryview_is_slice;
-  __pyx_vtable_memoryview.setitem_slice_assignment = (PyObject *(*)(struct __pyx_memoryview_obj *, PyObject *, PyObject *))__pyx_memoryview_setitem_slice_assignment;
-  __pyx_vtable_memoryview.setitem_slice_assign_scalar = (PyObject *(*)(struct __pyx_memoryview_obj *, struct __pyx_memoryview_obj *, PyObject *))__pyx_memoryview_setitem_slice_assign_scalar;
-  __pyx_vtable_memoryview.setitem_indexed = (PyObject *(*)(struct __pyx_memoryview_obj *, PyObject *, PyObject *))__pyx_memoryview_setitem_indexed;
-  __pyx_vtable_memoryview.convert_item_to_object = (PyObject *(*)(struct __pyx_memoryview_obj *, char *))__pyx_memoryview_convert_item_to_object;
-  __pyx_vtable_memoryview.assign_item_from_object = (PyObject *(*)(struct __pyx_memoryview_obj *, char *, PyObject *))__pyx_memoryview_assign_item_from_object;
-  if (PyType_Ready(&__pyx_type___pyx_memoryview) < 0) __PYX_ERR(1, 330, __pyx_L1_error)
-  #if PY_VERSION_HEX < 0x030800B1
-  __pyx_type___pyx_memoryview.tp_print = 0;
-  #endif
-  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type___pyx_memoryview.tp_dictoffset && __pyx_type___pyx_memoryview.tp_getattro == PyObject_GenericGetAttr)) {
-    __pyx_type___pyx_memoryview.tp_getattro = __Pyx_PyObject_GenericGetAttr;
-  }
-  if (__Pyx_SetVtable(__pyx_type___pyx_memoryview.tp_dict, __pyx_vtabptr_memoryview) < 0) __PYX_ERR(1, 330, __pyx_L1_error)
-  if (__Pyx_setup_reduce((PyObject*)&__pyx_type___pyx_memoryview) < 0) __PYX_ERR(1, 330, __pyx_L1_error)
-  __pyx_memoryview_type = &__pyx_type___pyx_memoryview;
-  __pyx_vtabptr__memoryviewslice = &__pyx_vtable__memoryviewslice;
-  __pyx_vtable__memoryviewslice.__pyx_base = *__pyx_vtabptr_memoryview;
-  __pyx_vtable__memoryviewslice.__pyx_base.convert_item_to_object = (PyObject *(*)(struct __pyx_memoryview_obj *, char *))__pyx_memoryviewslice_convert_item_to_object;
-  __pyx_vtable__memoryviewslice.__pyx_base.assign_item_from_object = (PyObject *(*)(struct __pyx_memoryview_obj *, char *, PyObject *))__pyx_memoryviewslice_assign_item_from_object;
-  __pyx_type___pyx_memoryviewslice.tp_base = __pyx_memoryview_type;
-  if (PyType_Ready(&__pyx_type___pyx_memoryviewslice) < 0) __PYX_ERR(1, 965, __pyx_L1_error)
-  #if PY_VERSION_HEX < 0x030800B1
-  __pyx_type___pyx_memoryviewslice.tp_print = 0;
-  #endif
-  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type___pyx_memoryviewslice.tp_dictoffset && __pyx_type___pyx_memoryviewslice.tp_getattro == PyObject_GenericGetAttr)) {
-    __pyx_type___pyx_memoryviewslice.tp_getattro = __Pyx_PyObject_GenericGetAttr;
-  }
-  if (__Pyx_SetVtable(__pyx_type___pyx_memoryviewslice.tp_dict, __pyx_vtabptr__memoryviewslice) < 0) __PYX_ERR(1, 965, __pyx_L1_error)
-  if (__Pyx_setup_reduce((PyObject*)&__pyx_type___pyx_memoryviewslice) < 0) __PYX_ERR(1, 965, __pyx_L1_error)
-  __pyx_memoryviewslice_type = &__pyx_type___pyx_memoryviewslice;
-  __Pyx_RefNannyFinishContext();
-  return 0;
-  __pyx_L1_error:;
-  __Pyx_RefNannyFinishContext();
-  return -1;
+/* ArgTypeTest */
+static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact)
+{
+    __Pyx_TypeName type_name;
+    __Pyx_TypeName obj_type_name;
+    if (unlikely(!type)) {
+        PyErr_SetString(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    else if (exact) {
+        #if PY_MAJOR_VERSION == 2
+        if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1;
+        #endif
+    }
+    else {
+        if (likely(__Pyx_TypeCheck(obj, type))) return 1;
+    }
+    type_name = __Pyx_PyType_GetName(type);
+    obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    PyErr_Format(PyExc_TypeError,
+        "Argument '%.200s' has incorrect type (expected " __Pyx_FMT_TYPENAME
+        ", got " __Pyx_FMT_TYPENAME ")", name, type_name, obj_type_name);
+    __Pyx_DECREF_TypeName(type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
+    return 0;
 }
 
-static int __Pyx_modinit_type_import_code(void) {
-  __Pyx_RefNannyDeclarations
-  __Pyx_RefNannySetupContext("__Pyx_modinit_type_import_code", 0);
-  /*--- Type import code ---*/
-  __Pyx_RefNannyFinishContext();
-  return 0;
+/* RaiseException */
+#if PY_MAJOR_VERSION < 3
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    __Pyx_PyThreadState_declare
+    CYTHON_UNUSED_VAR(cause);
+    Py_XINCREF(type);
+    if (!value || value == Py_None)
+        value = NULL;
+    else
+        Py_INCREF(value);
+    if (!tb || tb == Py_None)
+        tb = NULL;
+    else {
+        Py_INCREF(tb);
+        if (!PyTraceBack_Check(tb)) {
+            PyErr_SetString(PyExc_TypeError,
+                "raise: arg 3 must be a traceback or None");
+            goto raise_error;
+        }
+    }
+    if (PyType_Check(type)) {
+#if CYTHON_COMPILING_IN_PYPY
+        if (!value) {
+            Py_INCREF(Py_None);
+            value = Py_None;
+        }
+#endif
+        PyErr_NormalizeException(&type, &value, &tb);
+    } else {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto raise_error;
+        }
+        value = type;
+        type = (PyObject*) Py_TYPE(type);
+        Py_INCREF(type);
+        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
+            PyErr_SetString(PyExc_TypeError,
+                "raise: exception class must be a subclass of BaseException");
+            goto raise_error;
+        }
+    }
+    __Pyx_PyThreadState_assign
+    __Pyx_ErrRestore(type, value, tb);
+    return;
+raise_error:
+    Py_XDECREF(value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+    return;
 }
-
-static int __Pyx_modinit_variable_import_code(void) {
-  __Pyx_RefNannyDeclarations
-  __Pyx_RefNannySetupContext("__Pyx_modinit_variable_import_code", 0);
-  /*--- Variable import code ---*/
-  __Pyx_RefNannyFinishContext();
-  return 0;
+#else
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    PyObject* owned_instance = NULL;
+    if (tb == Py_None) {
+        tb = 0;
+    } else if (tb && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto bad;
+    }
+    if (value == Py_None)
+        value = 0;
+    if (PyExceptionInstance_Check(type)) {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto bad;
+        }
+        value = type;
+        type = (PyObject*) Py_TYPE(value);
+    } else if (PyExceptionClass_Check(type)) {
+        PyObject *instance_class = NULL;
+        if (value && PyExceptionInstance_Check(value)) {
+            instance_class = (PyObject*) Py_TYPE(value);
+            if (instance_class != type) {
+                int is_subclass = PyObject_IsSubclass(instance_class, type);
+                if (!is_subclass) {
+                    instance_class = NULL;
+                } else if (unlikely(is_subclass == -1)) {
+                    goto bad;
+                } else {
+                    type = instance_class;
+                }
+            }
+        }
+        if (!instance_class) {
+            PyObject *args;
+            if (!value)
+                args = PyTuple_New(0);
+            else if (PyTuple_Check(value)) {
+                Py_INCREF(value);
+                args = value;
+            } else
+                args = PyTuple_Pack(1, value);
+            if (!args)
+                goto bad;
+            owned_instance = PyObject_Call(type, args, NULL);
+            Py_DECREF(args);
+            if (!owned_instance)
+                goto bad;
+            value = owned_instance;
+            if (!PyExceptionInstance_Check(value)) {
+                PyErr_Format(PyExc_TypeError,
+                             "calling %R should have returned an instance of "
+                             "BaseException, not %R",
+                             type, Py_TYPE(value));
+                goto bad;
+            }
+        }
+    } else {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: exception class must be a subclass of BaseException");
+        goto bad;
+    }
+    if (cause) {
+        PyObject *fixed_cause;
+        if (cause == Py_None) {
+            fixed_cause = NULL;
+        } else if (PyExceptionClass_Check(cause)) {
+            fixed_cause = PyObject_CallObject(cause, NULL);
+            if (fixed_cause == NULL)
+                goto bad;
+        } else if (PyExceptionInstance_Check(cause)) {
+            fixed_cause = cause;
+            Py_INCREF(fixed_cause);
+        } else {
+            PyErr_SetString(PyExc_TypeError,
+                            "exception causes must derive from "
+                            "BaseException");
+            goto bad;
+        }
+        PyException_SetCause(value, fixed_cause);
+    }
+    PyErr_SetObject(type, value);
+    if (tb) {
+      #if PY_VERSION_HEX >= 0x030C00A6
+        PyException_SetTraceback(value, tb);
+      #elif CYTHON_FAST_THREAD_STATE
+        PyThreadState *tstate = __Pyx_PyThreadState_Current;
+        PyObject* tmp_tb = tstate->curexc_traceback;
+        if (tb != tmp_tb) {
+            Py_INCREF(tb);
+            tstate->curexc_traceback = tb;
+            Py_XDECREF(tmp_tb);
+        }
+#else
+        PyObject *tmp_type, *tmp_value, *tmp_tb;
+        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
+        Py_INCREF(tb);
+        PyErr_Restore(tmp_type, tmp_value, tb);
+        Py_XDECREF(tmp_tb);
+#endif
+    }
+bad:
+    Py_XDECREF(owned_instance);
+    return;
 }
+#endif
 
-static int __Pyx_modinit_function_import_code(void) {
-  __Pyx_RefNannyDeclarations
-  PyObject *__pyx_t_1 = NULL;
-  int __pyx_lineno = 0;
-  const char *__pyx_filename = NULL;
-  int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("__Pyx_modinit_function_import_code", 0);
-  /*--- Function import code ---*/
-  __pyx_t_1 = PyImport_ImportModule("scipy.linalg.cython_blas"); if (!__pyx_t_1) __PYX_ERR(0, 1, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_1);
-  if (__Pyx_ImportFunction(__pyx_t_1, "ssyr", (void (**)(void))&__pyx_f_5scipy_6linalg_11cython_blas_ssyr, "void (char *, int *, __pyx_t_5scipy_6linalg_11cython_blas_s *, __pyx_t_5scipy_6linalg_11cython_blas_s *, int *, __pyx_t_5scipy_6linalg_11cython_blas_s *, int *)") < 0) __PYX_ERR(0, 1, __pyx_L1_error)
-  if (__Pyx_ImportFunction(__pyx_t_1, "ssyr2", (void (**)(void))&__pyx_f_5scipy_6linalg_11cython_blas_ssyr2, "void (char *, int *, __pyx_t_5scipy_6linalg_11cython_blas_s *, __pyx_t_5scipy_6linalg_11cython_blas_s *, int *, __pyx_t_5scipy_6linalg_11cython_blas_s *, int *, __pyx_t_5scipy_6linalg_11cython_blas_s *, int *)") < 0) __PYX_ERR(0, 1, __pyx_L1_error)
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __Pyx_RefNannyFinishContext();
-  return 0;
-  __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_1);
-  __Pyx_RefNannyFinishContext();
-  return -1;
+/* PyFunctionFastCall */
+#if CYTHON_FAST_PYCALL && !CYTHON_VECTORCALL
+static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
+                                               PyObject *globals) {
+    PyFrameObject *f;
+    PyThreadState *tstate = __Pyx_PyThreadState_Current;
+    PyObject **fastlocals;
+    Py_ssize_t i;
+    PyObject *result;
+    assert(globals != NULL);
+    /* XXX Perhaps we should create a specialized
+       PyFrame_New() that doesn't take locals, but does
+       take builtins without sanity checking them.
+       */
+    assert(tstate != NULL);
+    f = PyFrame_New(tstate, co, globals, NULL);
+    if (f == NULL) {
+        return NULL;
+    }
+    fastlocals = __Pyx_PyFrame_GetLocalsplus(f);
+    for (i = 0; i < na; i++) {
+        Py_INCREF(*args);
+        fastlocals[i] = *args++;
+    }
+    result = PyEval_EvalFrameEx(f,0);
+    ++tstate->recursion_depth;
+    Py_DECREF(f);
+    --tstate->recursion_depth;
+    return result;
 }
-
-
-#ifndef CYTHON_NO_PYINIT_EXPORT
-#define __Pyx_PyMODINIT_FUNC PyMODINIT_FUNC
-#elif PY_MAJOR_VERSION < 3
-#ifdef __cplusplus
-#define __Pyx_PyMODINIT_FUNC extern "C" void
-#else
-#define __Pyx_PyMODINIT_FUNC void
+static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) {
+    PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
+    PyObject *globals = PyFunction_GET_GLOBALS(func);
+    PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
+    PyObject *closure;
+#if PY_MAJOR_VERSION >= 3
+    PyObject *kwdefs;
 #endif
+    PyObject *kwtuple, **k;
+    PyObject **d;
+    Py_ssize_t nd;
+    Py_ssize_t nk;
+    PyObject *result;
+    assert(kwargs == NULL || PyDict_Check(kwargs));
+    nk = kwargs ? PyDict_Size(kwargs) : 0;
+    #if PY_MAJOR_VERSION < 3
+    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) {
+        return NULL;
+    }
+    #else
+    if (unlikely(Py_EnterRecursiveCall(" while calling a Python object"))) {
+        return NULL;
+    }
+    #endif
+    if (
+#if PY_MAJOR_VERSION >= 3
+            co->co_kwonlyargcount == 0 &&
+#endif
+            likely(kwargs == NULL || nk == 0) &&
+            co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
+        if (argdefs == NULL && co->co_argcount == nargs) {
+            result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
+            goto done;
+        }
+        else if (nargs == 0 && argdefs != NULL
+                 && co->co_argcount == Py_SIZE(argdefs)) {
+            /* function called with no arguments, but all parameters have
+               a default value: use default values as arguments .*/
+            args = &PyTuple_GET_ITEM(argdefs, 0);
+            result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
+            goto done;
+        }
+    }
+    if (kwargs != NULL) {
+        Py_ssize_t pos, i;
+        kwtuple = PyTuple_New(2 * nk);
+        if (kwtuple == NULL) {
+            result = NULL;
+            goto done;
+        }
+        k = &PyTuple_GET_ITEM(kwtuple, 0);
+        pos = i = 0;
+        while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
+            Py_INCREF(k[i]);
+            Py_INCREF(k[i+1]);
+            i += 2;
+        }
+        nk = i / 2;
+    }
+    else {
+        kwtuple = NULL;
+        k = NULL;
+    }
+    closure = PyFunction_GET_CLOSURE(func);
+#if PY_MAJOR_VERSION >= 3
+    kwdefs = PyFunction_GET_KW_DEFAULTS(func);
+#endif
+    if (argdefs != NULL) {
+        d = &PyTuple_GET_ITEM(argdefs, 0);
+        nd = Py_SIZE(argdefs);
+    }
+    else {
+        d = NULL;
+        nd = 0;
+    }
+#if PY_MAJOR_VERSION >= 3
+    result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
+                               args, (int)nargs,
+                               k, (int)nk,
+                               d, (int)nd, kwdefs, closure);
 #else
-#ifdef __cplusplus
-#define __Pyx_PyMODINIT_FUNC extern "C" PyObject *
-#else
-#define __Pyx_PyMODINIT_FUNC PyObject *
+    result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
+                               args, (int)nargs,
+                               k, (int)nk,
+                               d, (int)nd, closure);
 #endif
+    Py_XDECREF(kwtuple);
+done:
+    Py_LeaveRecursiveCall();
+    return result;
+}
 #endif
 
-
-#if PY_MAJOR_VERSION < 3
-__Pyx_PyMODINIT_FUNC initdense(void) CYTHON_SMALL_CODE; /*proto*/
-__Pyx_PyMODINIT_FUNC initdense(void)
-#else
-__Pyx_PyMODINIT_FUNC PyInit_dense(void) CYTHON_SMALL_CODE; /*proto*/
-__Pyx_PyMODINIT_FUNC PyInit_dense(void)
-#if CYTHON_PEP489_MULTI_PHASE_INIT
-{
-  return PyModuleDef_Init(&__pyx_moduledef);
-}
-static CYTHON_SMALL_CODE int __Pyx_check_single_interpreter(void) {
-    #if PY_VERSION_HEX >= 0x030700A1
-    static PY_INT64_T main_interpreter_id = -1;
-    PY_INT64_T current_id = PyInterpreterState_GetID(PyThreadState_Get()->interp);
-    if (main_interpreter_id == -1) {
-        main_interpreter_id = current_id;
-        return (unlikely(current_id == -1)) ? -1 : 0;
-    } else if (unlikely(main_interpreter_id != current_id))
+/* PyObjectCall */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyObject *result;
+    ternaryfunc call = Py_TYPE(func)->tp_call;
+    if (unlikely(!call))
+        return PyObject_Call(func, arg, kw);
+    #if PY_MAJOR_VERSION < 3
+    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
+        return NULL;
     #else
-    static PyInterpreterState *main_interpreter = NULL;
-    PyInterpreterState *current_interpreter = PyThreadState_Get()->interp;
-    if (!main_interpreter) {
-        main_interpreter = current_interpreter;
-    } else if (unlikely(main_interpreter != current_interpreter))
+    if (unlikely(Py_EnterRecursiveCall(" while calling a Python object")))
+        return NULL;
     #endif
-    {
+    result = (*call)(func, arg, kw);
+    Py_LeaveRecursiveCall();
+    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
         PyErr_SetString(
-            PyExc_ImportError,
-            "Interpreter change detected - this module can only be loaded into one interpreter per process.");
-        return -1;
-    }
-    return 0;
-}
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-        PyErr_Clear();
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     }
     return result;
 }
-static CYTHON_SMALL_CODE PyObject* __pyx_pymod_create(PyObject *spec, CYTHON_UNUSED PyModuleDef *def) {
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-  #if PY_MAJOR_VERSION < 3
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+}
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-  __pyx_t_1 = __pyx_capsule_create(((void *)(&__pyx_memoryview_getbuffer)), ((char *)"getbuffer(obj, view, flags)")); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 995, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyDict_SetItem((PyObject *)__pyx_memoryviewslice_type->tp_dict, __pyx_n_s_pyx_getbuffer, __pyx_t_1) < 0) __PYX_ERR(1, 995, __pyx_L1_error)
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  PyType_Modified(__pyx_memoryviewslice_type);
+/* BuildPyUnicode */
+static PyObject* __Pyx_PyUnicode_BuildFromAscii(Py_ssize_t ulength, char* chars, int clength,
+                                                int prepend_sign, char padding_char) {
+    PyObject *uval;
+    Py_ssize_t uoffset = ulength - clength;
+#if CYTHON_USE_UNICODE_INTERNALS
+    Py_ssize_t i;
+#if CYTHON_PEP393_ENABLED
+    void *udata;
+    uval = PyUnicode_New(ulength, 127);
+    if (unlikely(!uval)) return NULL;
+    udata = PyUnicode_DATA(uval);
+#else
+    Py_UNICODE *udata;
+    uval = PyUnicode_FromUnicode(NULL, ulength);
+    if (unlikely(!uval)) return NULL;
+    udata = PyUnicode_AS_UNICODE(uval);
+#endif
+    if (uoffset > 0) {
+        i = 0;
+        if (prepend_sign) {
+            __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, 0, '-');
+            i++;
+        }
+        for (; i < uoffset; i++) {
+            __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, i, padding_char);
+        }
+    }
+    for (i=0; i < clength; i++) {
+        __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, uoffset+i, chars[i]);
+    }
+#else
+    {
+        PyObject *sign = NULL, *padding = NULL;
+        uval = NULL;
+        if (uoffset > 0) {
+            prepend_sign = !!prepend_sign;
+            if (uoffset > prepend_sign) {
+                padding = PyUnicode_FromOrdinal(padding_char);
+                if (likely(padding) && uoffset > prepend_sign + 1) {
+                    PyObject *tmp;
+                    PyObject *repeat = PyInt_FromSsize_t(uoffset - prepend_sign);
+                    if (unlikely(!repeat)) goto done_or_error;
+                    tmp = PyNumber_Multiply(padding, repeat);
+                    Py_DECREF(repeat);
+                    Py_DECREF(padding);
+                    padding = tmp;
+                }
+                if (unlikely(!padding)) goto done_or_error;
+            }
+            if (prepend_sign) {
+                sign = PyUnicode_FromOrdinal('-');
+                if (unlikely(!sign)) goto done_or_error;
+            }
+        }
+        uval = PyUnicode_DecodeASCII(chars, clength, NULL);
+        if (likely(uval) && padding) {
+            PyObject *tmp = PyNumber_Add(padding, uval);
+            Py_DECREF(uval);
+            uval = tmp;
+        }
+        if (likely(uval) && sign) {
+            PyObject *tmp = PyNumber_Add(sign, uval);
+            Py_DECREF(uval);
+            uval = tmp;
+        }
+done_or_error:
+        Py_XDECREF(padding);
+        Py_XDECREF(sign);
+    }
+#endif
+    return uval;
+}
 
-  /* "(tree fragment)":1
- * def __pyx_unpickle_Enum(__pyx_type, long __pyx_checksum, __pyx_state):             # <<<<<<<<<<<<<<
- *     cdef object __pyx_PickleError
- *     cdef object __pyx_result
- */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_15View_dot_MemoryView_1__pyx_unpickle_Enum, NULL, __pyx_n_s_View_MemoryView); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 1, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyDict_SetItem(__pyx_d, __pyx_n_s_pyx_unpickle_Enum, __pyx_t_1) < 0) __PYX_ERR(1, 1, __pyx_L1_error)
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+/* CIntToPyUnicode */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_int(int value, Py_ssize_t width, char padding_char, char format_char) {
+    char digits[sizeof(int)*3+2];
+    char *dpos, *end = digits + sizeof(int)*3+2;
+    const char *hex_digits = DIGITS_HEX;
+    Py_ssize_t length, ulength;
+    int prepend_sign, last_one_off;
+    int remaining;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const int neg_one = (int) -1, const_zero = (int) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (format_char == 'X') {
+        hex_digits += 16;
+        format_char = 'x';
+    }
+    remaining = value;
+    last_one_off = 0;
+    dpos = end;
+    do {
+        int digit_pos;
+        switch (format_char) {
+        case 'o':
+            digit_pos = abs((int)(remaining % (8*8)));
+            remaining = (int) (remaining / (8*8));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_8 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 8);
+            break;
+        case 'd':
+            digit_pos = abs((int)(remaining % (10*10)));
+            remaining = (int) (remaining / (10*10));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_10 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 10);
+            break;
+        case 'x':
+            *(--dpos) = hex_digits[abs((int)(remaining % 16))];
+            remaining = (int) (remaining / 16);
+            break;
+        default:
+            assert(0);
+            break;
+        }
+    } while (unlikely(remaining != 0));
+    assert(!last_one_off || *dpos == '0');
+    dpos += last_one_off;
+    length = end - dpos;
+    ulength = length;
+    prepend_sign = 0;
+    if (!is_unsigned && value <= neg_one) {
+        if (padding_char == ' ' || width <= length + 1) {
+            *(--dpos) = '-';
+            ++length;
+        } else {
+            prepend_sign = 1;
+        }
+        ++ulength;
+    }
+    if (width > ulength) {
+        ulength = width;
+    }
+    if (ulength == 1) {
+        return PyUnicode_FromOrdinal(*dpos);
+    }
+    return __Pyx_PyUnicode_BuildFromAscii(ulength, dpos, (int) length, prepend_sign, padding_char);
+}
 
-  /* "(tree fragment)":11
- *         __pyx_unpickle_Enum__set_state(<Enum> __pyx_result, __pyx_state)
- *     return __pyx_result
- * cdef __pyx_unpickle_Enum__set_state(Enum __pyx_result, tuple __pyx_state):             # <<<<<<<<<<<<<<
- *     __pyx_result.name = __pyx_state[0]
- *     if len(__pyx_state) > 1 and hasattr(__pyx_result, '__dict__'):
- */
+/* CIntToPyUnicode */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_Py_ssize_t(Py_ssize_t value, Py_ssize_t width, char padding_char, char format_char) {
+    char digits[sizeof(Py_ssize_t)*3+2];
+    char *dpos, *end = digits + sizeof(Py_ssize_t)*3+2;
+    const char *hex_digits = DIGITS_HEX;
+    Py_ssize_t length, ulength;
+    int prepend_sign, last_one_off;
+    Py_ssize_t remaining;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const Py_ssize_t neg_one = (Py_ssize_t) -1, const_zero = (Py_ssize_t) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (format_char == 'X') {
+        hex_digits += 16;
+        format_char = 'x';
+    }
+    remaining = value;
+    last_one_off = 0;
+    dpos = end;
+    do {
+        int digit_pos;
+        switch (format_char) {
+        case 'o':
+            digit_pos = abs((int)(remaining % (8*8)));
+            remaining = (Py_ssize_t) (remaining / (8*8));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_8 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 8);
+            break;
+        case 'd':
+            digit_pos = abs((int)(remaining % (10*10)));
+            remaining = (Py_ssize_t) (remaining / (10*10));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_10 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 10);
+            break;
+        case 'x':
+            *(--dpos) = hex_digits[abs((int)(remaining % 16))];
+            remaining = (Py_ssize_t) (remaining / 16);
+            break;
+        default:
+            assert(0);
+            break;
+        }
+    } while (unlikely(remaining != 0));
+    assert(!last_one_off || *dpos == '0');
+    dpos += last_one_off;
+    length = end - dpos;
+    ulength = length;
+    prepend_sign = 0;
+    if (!is_unsigned && value <= neg_one) {
+        if (padding_char == ' ' || width <= length + 1) {
+            *(--dpos) = '-';
+            ++length;
+        } else {
+            prepend_sign = 1;
+        }
+        ++ulength;
+    }
+    if (width > ulength) {
+        ulength = width;
+    }
+    if (ulength == 1) {
+        return PyUnicode_FromOrdinal(*dpos);
+    }
+    return __Pyx_PyUnicode_BuildFromAscii(ulength, dpos, (int) length, prepend_sign, padding_char);
+}
+
+/* JoinPyUnicode */
+static PyObject* __Pyx_PyUnicode_Join(PyObject* value_tuple, Py_ssize_t value_count, Py_ssize_t result_ulength,
+                                      Py_UCS4 max_char) {
+#if CYTHON_USE_UNICODE_INTERNALS && CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    PyObject *result_uval;
+    int result_ukind, kind_shift;
+    Py_ssize_t i, char_pos;
+    void *result_udata;
+    CYTHON_MAYBE_UNUSED_VAR(max_char);
+#if CYTHON_PEP393_ENABLED
+    result_uval = PyUnicode_New(result_ulength, max_char);
+    if (unlikely(!result_uval)) return NULL;
+    result_ukind = (max_char <= 255) ? PyUnicode_1BYTE_KIND : (max_char <= 65535) ? PyUnicode_2BYTE_KIND : PyUnicode_4BYTE_KIND;
+    kind_shift = (result_ukind == PyUnicode_4BYTE_KIND) ? 2 : result_ukind - 1;
+    result_udata = PyUnicode_DATA(result_uval);
+#else
+    result_uval = PyUnicode_FromUnicode(NULL, result_ulength);
+    if (unlikely(!result_uval)) return NULL;
+    result_ukind = sizeof(Py_UNICODE);
+    kind_shift = (result_ukind == 4) ? 2 : result_ukind - 1;
+    result_udata = PyUnicode_AS_UNICODE(result_uval);
+#endif
+    assert(kind_shift == 2 || kind_shift == 1 || kind_shift == 0);
+    char_pos = 0;
+    for (i=0; i < value_count; i++) {
+        int ukind;
+        Py_ssize_t ulength;
+        void *udata;
+        PyObject *uval = PyTuple_GET_ITEM(value_tuple, i);
+        if (unlikely(__Pyx_PyUnicode_READY(uval)))
+            goto bad;
+        ulength = __Pyx_PyUnicode_GET_LENGTH(uval);
+        if (unlikely(!ulength))
+            continue;
+        if (unlikely((PY_SSIZE_T_MAX >> kind_shift) - ulength < char_pos))
+            goto overflow;
+        ukind = __Pyx_PyUnicode_KIND(uval);
+        udata = __Pyx_PyUnicode_DATA(uval);
+        if (!CYTHON_PEP393_ENABLED || ukind == result_ukind) {
+            memcpy((char *)result_udata + (char_pos << kind_shift), udata, (size_t) (ulength << kind_shift));
+        } else {
+            #if PY_VERSION_HEX >= 0x030d0000
+            if (unlikely(PyUnicode_CopyCharacters(result_uval, char_pos, uval, 0, ulength) < 0)) goto bad;
+            #elif CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030300F0 || defined(_PyUnicode_FastCopyCharacters)
+            _PyUnicode_FastCopyCharacters(result_uval, char_pos, uval, 0, ulength);
+            #else
+            Py_ssize_t j;
+            for (j=0; j < ulength; j++) {
+                Py_UCS4 uchar = __Pyx_PyUnicode_READ(ukind, udata, j);
+                __Pyx_PyUnicode_WRITE(result_ukind, result_udata, char_pos+j, uchar);
+            }
+            #endif
+        }
+        char_pos += ulength;
+    }
+    return result_uval;
+overflow:
+    PyErr_SetString(PyExc_OverflowError, "join() result is too long for a Python string");
+bad:
+    Py_DECREF(result_uval);
+    return NULL;
+#else
+    CYTHON_UNUSED_VAR(max_char);
+    CYTHON_UNUSED_VAR(result_ulength);
+    CYTHON_UNUSED_VAR(value_count);
+    return PyUnicode_Join(__pyx_empty_unicode, value_tuple);
+#endif
+}
 
-  /*--- Wrapped vars code ---*/
+/* GetAttr */
+static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) {
+#if CYTHON_USE_TYPE_SLOTS
+#if PY_MAJOR_VERSION >= 3
+    if (likely(PyUnicode_Check(n)))
+#else
+    if (likely(PyString_Check(n)))
+#endif
+        return __Pyx_PyObject_GetAttrStr(o, n);
+#endif
+    return PyObject_GetAttr(o, n);
+}
 
-  goto __pyx_L0;
-  __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_1);
-  if (__pyx_m) {
-    if (__pyx_d) {
-      __Pyx_AddTraceback("init dense", __pyx_clineno, __pyx_lineno, __pyx_filename);
+/* GetItemInt */
+static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
+    PyObject *r;
+    if (unlikely(!j)) return NULL;
+    r = PyObject_GetItem(o, j);
+    Py_DECREF(j);
+    return r;
+}
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
+                                                              CYTHON_NCP_UNUSED int wraparound,
+                                                              CYTHON_NCP_UNUSED int boundscheck) {
+#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    Py_ssize_t wrapped_i = i;
+    if (wraparound & unlikely(i < 0)) {
+        wrapped_i += PyList_GET_SIZE(o);
     }
-    Py_CLEAR(__pyx_m);
-  } else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_ImportError, "init dense");
-  }
-  __pyx_L0:;
-  __Pyx_RefNannyFinishContext();
-  #if CYTHON_PEP489_MULTI_PHASE_INIT
-  return (__pyx_m != NULL) ? 0 : -1;
-  #elif PY_MAJOR_VERSION >= 3
-  return __pyx_m;
-  #else
-  return;
-  #endif
+    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) {
+        PyObject *r = PyList_GET_ITEM(o, wrapped_i);
+        Py_INCREF(r);
+        return r;
+    }
+    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
+}
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
+                                                              CYTHON_NCP_UNUSED int wraparound,
+                                                              CYTHON_NCP_UNUSED int boundscheck) {
+#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    Py_ssize_t wrapped_i = i;
+    if (wraparound & unlikely(i < 0)) {
+        wrapped_i += PyTuple_GET_SIZE(o);
+    }
+    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) {
+        PyObject *r = PyTuple_GET_ITEM(o, wrapped_i);
+        Py_INCREF(r);
+        return r;
+    }
+    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
+}
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
+                                                     CYTHON_NCP_UNUSED int wraparound,
+                                                     CYTHON_NCP_UNUSED int boundscheck) {
+#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
+    if (is_list || PyList_CheckExact(o)) {
+        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
+        if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) {
+            PyObject *r = PyList_GET_ITEM(o, n);
+            Py_INCREF(r);
+            return r;
+        }
+    }
+    else if (PyTuple_CheckExact(o)) {
+        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
+        if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) {
+            PyObject *r = PyTuple_GET_ITEM(o, n);
+            Py_INCREF(r);
+            return r;
+        }
+    } else {
+        PyMappingMethods *mm = Py_TYPE(o)->tp_as_mapping;
+        PySequenceMethods *sm = Py_TYPE(o)->tp_as_sequence;
+        if (mm && mm->mp_subscript) {
+            PyObject *r, *key = PyInt_FromSsize_t(i);
+            if (unlikely(!key)) return NULL;
+            r = mm->mp_subscript(o, key);
+            Py_DECREF(key);
+            return r;
+        }
+        if (likely(sm && sm->sq_item)) {
+            if (wraparound && unlikely(i < 0) && likely(sm->sq_length)) {
+                Py_ssize_t l = sm->sq_length(o);
+                if (likely(l >= 0)) {
+                    i += l;
+                } else {
+                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
+                        return NULL;
+                    PyErr_Clear();
+                }
+            }
+            return sm->sq_item(o, i);
+        }
+    }
+#else
+    if (is_list || !PyMapping_Check(o)) {
+        return PySequence_GetItem(o, i);
+    }
+#endif
+    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
 }
 
-/* --- Runtime support code --- */
-/* Refnanny */
-#if CYTHON_REFNANNY
-static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
-    PyObject *m = NULL, *p = NULL;
-    void *r = NULL;
-    m = PyImport_ImportModule(modname);
-    if (!m) goto end;
-    p = PyObject_GetAttrString(m, "RefNannyAPI");
-    if (!p) goto end;
-    r = PyLong_AsVoidPtr(p);
-end:
-    Py_XDECREF(p);
-    Py_XDECREF(m);
-    return (__Pyx_RefNannyAPIStruct *)r;
+/* PyObjectCallOneArg */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
+    PyObject *args[2] = {NULL, arg};
+    return __Pyx_PyObject_FastCall(func, args+1, 1 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET);
 }
-#endif
 
-/* PyObjectGetAttrStr */
+/* ObjectGetItem */
 #if CYTHON_USE_TYPE_SLOTS
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
-    PyTypeObject* tp = Py_TYPE(obj);
-    if (likely(tp->tp_getattro))
-        return tp->tp_getattro(obj, attr_name);
-#if PY_MAJOR_VERSION < 3
-    if (likely(tp->tp_getattr))
-        return tp->tp_getattr(obj, PyString_AS_STRING(attr_name));
-#endif
-    return PyObject_GetAttr(obj, attr_name);
+static PyObject *__Pyx_PyObject_GetIndex(PyObject *obj, PyObject *index) {
+    PyObject *runerr = NULL;
+    Py_ssize_t key_value;
+    key_value = __Pyx_PyIndex_AsSsize_t(index);
+    if (likely(key_value != -1 || !(runerr = PyErr_Occurred()))) {
+        return __Pyx_GetItemInt_Fast(obj, key_value, 0, 1, 1);
+    }
+    if (PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) {
+        __Pyx_TypeName index_type_name = __Pyx_PyType_GetName(Py_TYPE(index));
+        PyErr_Clear();
+        PyErr_Format(PyExc_IndexError,
+            "cannot fit '" __Pyx_FMT_TYPENAME "' into an index-sized integer", index_type_name);
+        __Pyx_DECREF_TypeName(index_type_name);
+    }
+    return NULL;
+}
+static PyObject *__Pyx_PyObject_GetItem_Slow(PyObject *obj, PyObject *key) {
+    __Pyx_TypeName obj_type_name;
+    if (likely(PyType_Check(obj))) {
+        PyObject *meth = __Pyx_PyObject_GetAttrStrNoError(obj, __pyx_n_s_class_getitem);
+        if (!meth) {
+            PyErr_Clear();
+        } else {
+            PyObject *result = __Pyx_PyObject_CallOneArg(meth, key);
+            Py_DECREF(meth);
+            return result;
+        }
+    }
+    obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    PyErr_Format(PyExc_TypeError,
+        "'" __Pyx_FMT_TYPENAME "' object is not subscriptable", obj_type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
+    return NULL;
+}
+static PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject *key) {
+    PyTypeObject *tp = Py_TYPE(obj);
+    PyMappingMethods *mm = tp->tp_as_mapping;
+    PySequenceMethods *sm = tp->tp_as_sequence;
+    if (likely(mm && mm->mp_subscript)) {
+        return mm->mp_subscript(obj, key);
+    }
+    if (likely(sm && sm->sq_item)) {
+        return __Pyx_PyObject_GetIndex(obj, key);
+    }
+    return __Pyx_PyObject_GetItem_Slow(obj, key);
 }
 #endif
 
-/* GetBuiltinName */
-static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
-    PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name);
-    if (unlikely(!result)) {
-        PyErr_Format(PyExc_NameError,
-#if PY_MAJOR_VERSION >= 3
-            "name '%U' is not defined", name);
+/* KeywordStringCheck */
+static int __Pyx_CheckKeywordStrings(
+    PyObject *kw,
+    const char* function_name,
+    int kw_allowed)
+{
+    PyObject* key = 0;
+    Py_ssize_t pos = 0;
+#if CYTHON_COMPILING_IN_PYPY
+    if (!kw_allowed && PyDict_Next(kw, &pos, &key, 0))
+        goto invalid_keyword;
+    return 1;
 #else
-            "name '%.200s' is not defined", PyString_AS_STRING(name));
+    if (CYTHON_METH_FASTCALL && likely(PyTuple_Check(kw))) {
+        Py_ssize_t kwsize;
+#if CYTHON_ASSUME_SAFE_MACROS
+        kwsize = PyTuple_GET_SIZE(kw);
+#else
+        kwsize = PyTuple_Size(kw);
+        if (kwsize < 0) return 0;
+#endif
+        if (unlikely(kwsize == 0))
+            return 1;
+        if (!kw_allowed) {
+#if CYTHON_ASSUME_SAFE_MACROS
+            key = PyTuple_GET_ITEM(kw, 0);
+#else
+            key = PyTuple_GetItem(kw, pos);
+            if (!key) return 0;
+#endif
+            goto invalid_keyword;
+        }
+#if PY_VERSION_HEX < 0x03090000
+        for (pos = 0; pos < kwsize; pos++) {
+#if CYTHON_ASSUME_SAFE_MACROS
+            key = PyTuple_GET_ITEM(kw, pos);
+#else
+            key = PyTuple_GetItem(kw, pos);
+            if (!key) return 0;
+#endif
+            if (unlikely(!PyUnicode_Check(key)))
+                goto invalid_keyword_type;
+        }
 #endif
+        return 1;
     }
-    return result;
+    while (PyDict_Next(kw, &pos, &key, 0)) {
+        #if PY_MAJOR_VERSION < 3
+        if (unlikely(!PyString_Check(key)))
+        #endif
+            if (unlikely(!PyUnicode_Check(key)))
+                goto invalid_keyword_type;
+    }
+    if (!kw_allowed && unlikely(key))
+        goto invalid_keyword;
+    return 1;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() keywords must be strings", function_name);
+    return 0;
+#endif
+invalid_keyword:
+    #if PY_MAJOR_VERSION < 3
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() got an unexpected keyword argument '%.200s'",
+        function_name, PyString_AsString(key));
+    #else
+    PyErr_Format(PyExc_TypeError,
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+    return 0;
+}
+
+/* DivInt[Py_ssize_t] */
+static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t a, Py_ssize_t b) {
+    Py_ssize_t q = a / b;
+    Py_ssize_t r = a - q*b;
+    q -= ((r != 0) & ((r ^ b) < 0));
+    return q;
+}
+
+/* GetAttr3 */
+#if __PYX_LIMITED_VERSION_HEX < 0x030d00A1
+static PyObject *__Pyx_GetAttr3Default(PyObject *d) {
+    __Pyx_PyThreadState_declare
+    __Pyx_PyThreadState_assign
+    if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
+        return NULL;
+    __Pyx_PyErr_Clear();
+    Py_INCREF(d);
+    return d;
+}
+#endif
+static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) {
+    PyObject *r;
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d00A1
+    int res = PyObject_GetOptionalAttr(o, n, &r);
+    return (res != 0) ? r : __Pyx_NewRef(d);
+#else
+  #if CYTHON_USE_TYPE_SLOTS
+    if (likely(PyString_Check(n))) {
+        r = __Pyx_PyObject_GetAttrStrNoError(o, n);
+        if (unlikely(!r) && likely(!PyErr_Occurred())) {
+            r = __Pyx_NewRef(d);
+        }
+        return r;
+    }
+  #endif
+    r = PyObject_GetAttr(o, n);
+    return (likely(r)) ? r : __Pyx_GetAttr3Default(d);
+#endif
 }
 
 /* PyDictVersioning */
@@ -19305,7 +24327,7 @@ static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
 {
     PyObject *result;
 #if !CYTHON_AVOID_BORROWED_REFS
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && PY_VERSION_HEX < 0x030d0000
     result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash);
     __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
     if (likely(result)) {
@@ -19313,6 +24335,14 @@ static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
     } else if (unlikely(PyErr_Occurred())) {
         return NULL;
     }
+#elif CYTHON_COMPILING_IN_LIMITED_API
+    if (unlikely(!__pyx_m)) {
+        return NULL;
+    }
+    result = PyObject_GetAttr(__pyx_m, name);
+    if (likely(result)) {
+        return result;
+    }
 #else
     result = PyDict_GetItem(__pyx_d, name);
     __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
@@ -19321,1838 +24351,2541 @@ static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
     }
 #endif
 #else
-    result = PyObject_GetItem(__pyx_d, name);
-    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
-    if (likely(result)) {
-        return __Pyx_NewRef(result);
-    }
-    PyErr_Clear();
+    result = PyObject_GetItem(__pyx_d, name);
+    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
+    if (likely(result)) {
+        return __Pyx_NewRef(result);
+    }
+    PyErr_Clear();
+#endif
+    return __Pyx_GetBuiltinName(name);
+}
+
+/* RaiseTooManyValuesToUnpack */
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
+    PyErr_Format(PyExc_ValueError,
+                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
+}
+
+/* RaiseNeedMoreValuesToUnpack */
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
+    PyErr_Format(PyExc_ValueError,
+                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
+                 index, (index == 1) ? "" : "s");
+}
+
+/* RaiseNoneIterError */
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
+}
+
+/* ExtTypeTest */
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
+    __Pyx_TypeName obj_type_name;
+    __Pyx_TypeName type_name;
+    if (unlikely(!type)) {
+        PyErr_SetString(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    if (likely(__Pyx_TypeCheck(obj, type)))
+        return 1;
+    obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    type_name = __Pyx_PyType_GetName(type);
+    PyErr_Format(PyExc_TypeError,
+                 "Cannot convert " __Pyx_FMT_TYPENAME " to " __Pyx_FMT_TYPENAME,
+                 obj_type_name, type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
+    __Pyx_DECREF_TypeName(type_name);
+    return 0;
+}
+
+/* GetTopmostException */
+#if CYTHON_USE_EXC_INFO_STACK && CYTHON_FAST_THREAD_STATE
+static _PyErr_StackItem *
+__Pyx_PyErr_GetTopmostException(PyThreadState *tstate)
+{
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    while ((exc_info->exc_value == NULL || exc_info->exc_value == Py_None) &&
+           exc_info->previous_item != NULL)
+    {
+        exc_info = exc_info->previous_item;
+    }
+    return exc_info;
+}
+#endif
+
+/* SaveResetException */
+#if CYTHON_FAST_THREAD_STATE
+static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+  #if CYTHON_USE_EXC_INFO_STACK && PY_VERSION_HEX >= 0x030B00a4
+    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
+    PyObject *exc_value = exc_info->exc_value;
+    if (exc_value == NULL || exc_value == Py_None) {
+        *value = NULL;
+        *type = NULL;
+        *tb = NULL;
+    } else {
+        *value = exc_value;
+        Py_INCREF(*value);
+        *type = (PyObject*) Py_TYPE(exc_value);
+        Py_INCREF(*type);
+        *tb = PyException_GetTraceback(exc_value);
+    }
+  #elif CYTHON_USE_EXC_INFO_STACK
+    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
+    *type = exc_info->exc_type;
+    *value = exc_info->exc_value;
+    *tb = exc_info->exc_traceback;
+    Py_XINCREF(*type);
+    Py_XINCREF(*value);
+    Py_XINCREF(*tb);
+  #else
+    *type = tstate->exc_type;
+    *value = tstate->exc_value;
+    *tb = tstate->exc_traceback;
+    Py_XINCREF(*type);
+    Py_XINCREF(*value);
+    Py_XINCREF(*tb);
+  #endif
+}
+static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
+  #if CYTHON_USE_EXC_INFO_STACK && PY_VERSION_HEX >= 0x030B00a4
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    PyObject *tmp_value = exc_info->exc_value;
+    exc_info->exc_value = value;
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+  #else
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    #if CYTHON_USE_EXC_INFO_STACK
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    tmp_type = exc_info->exc_type;
+    tmp_value = exc_info->exc_value;
+    tmp_tb = exc_info->exc_traceback;
+    exc_info->exc_type = type;
+    exc_info->exc_value = value;
+    exc_info->exc_traceback = tb;
+    #else
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = type;
+    tstate->exc_value = value;
+    tstate->exc_traceback = tb;
+    #endif
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+  #endif
+}
+#endif
+
+/* GetException */
+#if CYTHON_FAST_THREAD_STATE
+static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb)
+#else
+static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
+#endif
+{
+    PyObject *local_type = NULL, *local_value, *local_tb = NULL;
+#if CYTHON_FAST_THREAD_STATE
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+  #if PY_VERSION_HEX >= 0x030C00A6
+    local_value = tstate->current_exception;
+    tstate->current_exception = 0;
+    if (likely(local_value)) {
+        local_type = (PyObject*) Py_TYPE(local_value);
+        Py_INCREF(local_type);
+        local_tb = PyException_GetTraceback(local_value);
+    }
+  #else
+    local_type = tstate->curexc_type;
+    local_value = tstate->curexc_value;
+    local_tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+  #endif
+#else
+    PyErr_Fetch(&local_type, &local_value, &local_tb);
+#endif
+    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
+#if CYTHON_FAST_THREAD_STATE && PY_VERSION_HEX >= 0x030C00A6
+    if (unlikely(tstate->current_exception))
+#elif CYTHON_FAST_THREAD_STATE
+    if (unlikely(tstate->curexc_type))
+#else
+    if (unlikely(PyErr_Occurred()))
 #endif
-    return __Pyx_GetBuiltinName(name);
-}
-
-/* PyObjectCall */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyObject *result;
-    ternaryfunc call = Py_TYPE(func)->tp_call;
-    if (unlikely(!call))
-        return PyObject_Call(func, arg, kw);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-    result = (*call)(func, arg, kw);
-    Py_LeaveRecursiveCall();
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
+        goto bad;
+    #if PY_MAJOR_VERSION >= 3
+    if (local_tb) {
+        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
+            goto bad;
     }
-    return result;
-}
+    #endif
+    Py_XINCREF(local_tb);
+    Py_XINCREF(local_type);
+    Py_XINCREF(local_value);
+    *type = local_type;
+    *value = local_value;
+    *tb = local_tb;
+#if CYTHON_FAST_THREAD_STATE
+    #if CYTHON_USE_EXC_INFO_STACK
+    {
+        _PyErr_StackItem *exc_info = tstate->exc_info;
+      #if PY_VERSION_HEX >= 0x030B00a4
+        tmp_value = exc_info->exc_value;
+        exc_info->exc_value = local_value;
+        tmp_type = NULL;
+        tmp_tb = NULL;
+        Py_XDECREF(local_type);
+        Py_XDECREF(local_tb);
+      #else
+        tmp_type = exc_info->exc_type;
+        tmp_value = exc_info->exc_value;
+        tmp_tb = exc_info->exc_traceback;
+        exc_info->exc_type = local_type;
+        exc_info->exc_value = local_value;
+        exc_info->exc_traceback = local_tb;
+      #endif
+    }
+    #else
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = local_type;
+    tstate->exc_value = local_value;
+    tstate->exc_traceback = local_tb;
+    #endif
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(local_type, local_value, local_tb);
 #endif
+    return 0;
+bad:
+    *type = 0;
+    *value = 0;
+    *tb = 0;
+    Py_XDECREF(local_type);
+    Py_XDECREF(local_value);
+    Py_XDECREF(local_tb);
+    return -1;
+}
 
-/* PyCFunctionFastCall */
-#if CYTHON_FAST_PYCCALL
-static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) {
-    PyCFunctionObject *func = (PyCFunctionObject*)func_obj;
-    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
-    PyObject *self = PyCFunction_GET_SELF(func);
-    int flags = PyCFunction_GET_FLAGS(func);
-    assert(PyCFunction_Check(func));
-    assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS)));
-    assert(nargs >= 0);
-    assert(nargs == 0 || args != NULL);
-    /* _PyCFunction_FastCallDict() must not be called with an exception set,
-       because it may clear it (directly or indirectly) and so the
-       caller loses its exception */
-    assert(!PyErr_Occurred());
-    if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) {
-        return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL);
+/* SwapException */
+#if CYTHON_FAST_THREAD_STATE
+static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+  #if CYTHON_USE_EXC_INFO_STACK && PY_VERSION_HEX >= 0x030B00a4
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    tmp_value = exc_info->exc_value;
+    exc_info->exc_value = *value;
+    if (tmp_value == NULL || tmp_value == Py_None) {
+        Py_XDECREF(tmp_value);
+        tmp_value = NULL;
+        tmp_type = NULL;
+        tmp_tb = NULL;
     } else {
-        return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs);
+        tmp_type = (PyObject*) Py_TYPE(tmp_value);
+        Py_INCREF(tmp_type);
+        #if CYTHON_COMPILING_IN_CPYTHON
+        tmp_tb = ((PyBaseExceptionObject*) tmp_value)->traceback;
+        Py_XINCREF(tmp_tb);
+        #else
+        tmp_tb = PyException_GetTraceback(tmp_value);
+        #endif
     }
+  #elif CYTHON_USE_EXC_INFO_STACK
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    tmp_type = exc_info->exc_type;
+    tmp_value = exc_info->exc_value;
+    tmp_tb = exc_info->exc_traceback;
+    exc_info->exc_type = *type;
+    exc_info->exc_value = *value;
+    exc_info->exc_traceback = *tb;
+  #else
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = *type;
+    tstate->exc_value = *value;
+    tstate->exc_traceback = *tb;
+  #endif
+    *type = tmp_type;
+    *value = tmp_value;
+    *tb = tmp_tb;
 }
-#endif
-
-/* PyFunctionFastCall */
-#if CYTHON_FAST_PYCALL
-static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
-                                               PyObject *globals) {
-    PyFrameObject *f;
-    PyThreadState *tstate = __Pyx_PyThreadState_Current;
-    PyObject **fastlocals;
-    Py_ssize_t i;
-    PyObject *result;
-    assert(globals != NULL);
-    /* XXX Perhaps we should create a specialized
-       PyFrame_New() that doesn't take locals, but does
-       take builtins without sanity checking them.
-       */
-    assert(tstate != NULL);
-    f = PyFrame_New(tstate, co, globals, NULL);
-    if (f == NULL) {
-        return NULL;
-    }
-    fastlocals = __Pyx_PyFrame_GetLocalsplus(f);
-    for (i = 0; i < na; i++) {
-        Py_INCREF(*args);
-        fastlocals[i] = *args++;
-    }
-    result = PyEval_EvalFrameEx(f,0);
-    ++tstate->recursion_depth;
-    Py_DECREF(f);
-    --tstate->recursion_depth;
-    return result;
+#else
+static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
+    PyErr_SetExcInfo(*type, *value, *tb);
+    *type = tmp_type;
+    *value = tmp_value;
+    *tb = tmp_tb;
 }
-#if 1 || PY_VERSION_HEX < 0x030600B1
-static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) {
-    PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
-    PyObject *globals = PyFunction_GET_GLOBALS(func);
-    PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
-    PyObject *closure;
-#if PY_MAJOR_VERSION >= 3
-    PyObject *kwdefs;
-#endif
-    PyObject *kwtuple, **k;
-    PyObject **d;
-    Py_ssize_t nd;
-    Py_ssize_t nk;
-    PyObject *result;
-    assert(kwargs == NULL || PyDict_Check(kwargs));
-    nk = kwargs ? PyDict_Size(kwargs) : 0;
-    if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
-        return NULL;
-    }
-    if (
-#if PY_MAJOR_VERSION >= 3
-            co->co_kwonlyargcount == 0 &&
 #endif
-            likely(kwargs == NULL || nk == 0) &&
-            co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
-        if (argdefs == NULL && co->co_argcount == nargs) {
-            result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
-            goto done;
-        }
-        else if (nargs == 0 && argdefs != NULL
-                 && co->co_argcount == Py_SIZE(argdefs)) {
-            /* function called with no arguments, but all parameters have
-               a default value: use default values as arguments .*/
-            args = &PyTuple_GET_ITEM(argdefs, 0);
-            result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
-            goto done;
-        }
+
+/* Import */
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
+    PyObject *module = 0;
+    PyObject *empty_dict = 0;
+    PyObject *empty_list = 0;
+    #if PY_MAJOR_VERSION < 3
+    PyObject *py_import;
+    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
+    if (unlikely(!py_import))
+        goto bad;
+    if (!from_list) {
+        empty_list = PyList_New(0);
+        if (unlikely(!empty_list))
+            goto bad;
+        from_list = empty_list;
     }
-    if (kwargs != NULL) {
-        Py_ssize_t pos, i;
-        kwtuple = PyTuple_New(2 * nk);
-        if (kwtuple == NULL) {
-            result = NULL;
-            goto done;
+    #endif
+    empty_dict = PyDict_New();
+    if (unlikely(!empty_dict))
+        goto bad;
+    {
+        #if PY_MAJOR_VERSION >= 3
+        if (level == -1) {
+            if (strchr(__Pyx_MODULE_NAME, '.') != NULL) {
+                module = PyImport_ImportModuleLevelObject(
+                    name, __pyx_d, empty_dict, from_list, 1);
+                if (unlikely(!module)) {
+                    if (unlikely(!PyErr_ExceptionMatches(PyExc_ImportError)))
+                        goto bad;
+                    PyErr_Clear();
+                }
+            }
+            level = 0;
         }
-        k = &PyTuple_GET_ITEM(kwtuple, 0);
-        pos = i = 0;
-        while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
-            Py_INCREF(k[i]);
-            Py_INCREF(k[i+1]);
-            i += 2;
+        #endif
+        if (!module) {
+            #if PY_MAJOR_VERSION < 3
+            PyObject *py_level = PyInt_FromLong(level);
+            if (unlikely(!py_level))
+                goto bad;
+            module = PyObject_CallFunctionObjArgs(py_import,
+                name, __pyx_d, empty_dict, from_list, py_level, (PyObject *)NULL);
+            Py_DECREF(py_level);
+            #else
+            module = PyImport_ImportModuleLevelObject(
+                name, __pyx_d, empty_dict, from_list, level);
+            #endif
         }
-        nk = i / 2;
-    }
-    else {
-        kwtuple = NULL;
-        k = NULL;
     }
-    closure = PyFunction_GET_CLOSURE(func);
-#if PY_MAJOR_VERSION >= 3
-    kwdefs = PyFunction_GET_KW_DEFAULTS(func);
-#endif
-    if (argdefs != NULL) {
-        d = &PyTuple_GET_ITEM(argdefs, 0);
-        nd = Py_SIZE(argdefs);
+bad:
+    Py_XDECREF(empty_dict);
+    Py_XDECREF(empty_list);
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(py_import);
+    #endif
+    return module;
+}
+
+/* ImportDottedModule */
+#if PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx__ImportDottedModule_Error(PyObject *name, PyObject *parts_tuple, Py_ssize_t count) {
+    PyObject *partial_name = NULL, *slice = NULL, *sep = NULL;
+    if (unlikely(PyErr_Occurred())) {
+        PyErr_Clear();
     }
-    else {
-        d = NULL;
-        nd = 0;
+    if (likely(PyTuple_GET_SIZE(parts_tuple) == count)) {
+        partial_name = name;
+    } else {
+        slice = PySequence_GetSlice(parts_tuple, 0, count);
+        if (unlikely(!slice))
+            goto bad;
+        sep = PyUnicode_FromStringAndSize(".", 1);
+        if (unlikely(!sep))
+            goto bad;
+        partial_name = PyUnicode_Join(sep, slice);
     }
+    PyErr_Format(
+#if PY_MAJOR_VERSION < 3
+        PyExc_ImportError,
+        "No module named '%s'", PyString_AS_STRING(partial_name));
+#else
+#if PY_VERSION_HEX >= 0x030600B1
+        PyExc_ModuleNotFoundError,
+#else
+        PyExc_ImportError,
+#endif
+        "No module named '%U'", partial_name);
+#endif
+bad:
+    Py_XDECREF(sep);
+    Py_XDECREF(slice);
+    Py_XDECREF(partial_name);
+    return NULL;
+}
+#endif
 #if PY_MAJOR_VERSION >= 3
-    result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
-                               args, (int)nargs,
-                               k, (int)nk,
-                               d, (int)nd, kwdefs, closure);
+static PyObject *__Pyx__ImportDottedModule_Lookup(PyObject *name) {
+    PyObject *imported_module;
+#if PY_VERSION_HEX < 0x030700A1 || (CYTHON_COMPILING_IN_PYPY && PYPY_VERSION_NUM  < 0x07030400)
+    PyObject *modules = PyImport_GetModuleDict();
+    if (unlikely(!modules))
+        return NULL;
+    imported_module = __Pyx_PyDict_GetItemStr(modules, name);
+    Py_XINCREF(imported_module);
 #else
-    result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
-                               args, (int)nargs,
-                               k, (int)nk,
-                               d, (int)nd, closure);
+    imported_module = PyImport_GetModule(name);
 #endif
-    Py_XDECREF(kwtuple);
-done:
-    Py_LeaveRecursiveCall();
-    return result;
+    return imported_module;
 }
 #endif
+#if PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx_ImportDottedModule_WalkParts(PyObject *module, PyObject *name, PyObject *parts_tuple) {
+    Py_ssize_t i, nparts;
+    nparts = PyTuple_GET_SIZE(parts_tuple);
+    for (i=1; i < nparts && module; i++) {
+        PyObject *part, *submodule;
+#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+        part = PyTuple_GET_ITEM(parts_tuple, i);
+#else
+        part = PySequence_ITEM(parts_tuple, i);
+#endif
+        submodule = __Pyx_PyObject_GetAttrStrNoError(module, part);
+#if !(CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
+        Py_DECREF(part);
 #endif
-
-/* PyObjectCall2Args */
-static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) {
-    PyObject *args, *result = NULL;
-    #if CYTHON_FAST_PYCALL
-    if (PyFunction_Check(function)) {
-        PyObject *args[2] = {arg1, arg2};
-        return __Pyx_PyFunction_FastCall(function, args, 2);
+        Py_DECREF(module);
+        module = submodule;
     }
-    #endif
-    #if CYTHON_FAST_PYCCALL
-    if (__Pyx_PyFastCFunction_Check(function)) {
-        PyObject *args[2] = {arg1, arg2};
-        return __Pyx_PyCFunction_FastCall(function, args, 2);
+    if (unlikely(!module)) {
+        return __Pyx__ImportDottedModule_Error(name, parts_tuple, i);
     }
-    #endif
-    args = PyTuple_New(2);
-    if (unlikely(!args)) goto done;
-    Py_INCREF(arg1);
-    PyTuple_SET_ITEM(args, 0, arg1);
-    Py_INCREF(arg2);
-    PyTuple_SET_ITEM(args, 1, arg2);
-    Py_INCREF(function);
-    result = __Pyx_PyObject_Call(function, args, NULL);
-    Py_DECREF(args);
-    Py_DECREF(function);
-done:
-    return result;
+    return module;
 }
-
-/* PyObjectCallMethO */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
-    PyObject *self, *result;
-    PyCFunction cfunc;
-    cfunc = PyCFunction_GET_FUNCTION(func);
-    self = PyCFunction_GET_SELF(func);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
+#endif
+static PyObject *__Pyx__ImportDottedModule(PyObject *name, PyObject *parts_tuple) {
+#if PY_MAJOR_VERSION < 3
+    PyObject *module, *from_list, *star = __pyx_n_s__3;
+    CYTHON_UNUSED_VAR(parts_tuple);
+    from_list = PyList_New(1);
+    if (unlikely(!from_list))
         return NULL;
-    result = cfunc(self, arg);
-    Py_LeaveRecursiveCall();
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
+    Py_INCREF(star);
+    PyList_SET_ITEM(from_list, 0, star);
+    module = __Pyx_Import(name, from_list, 0);
+    Py_DECREF(from_list);
+    return module;
+#else
+    PyObject *imported_module;
+    PyObject *module = __Pyx_Import(name, NULL, 0);
+    if (!parts_tuple || unlikely(!module))
+        return module;
+    imported_module = __Pyx__ImportDottedModule_Lookup(name);
+    if (likely(imported_module)) {
+        Py_DECREF(module);
+        return imported_module;
+    }
+    PyErr_Clear();
+    return __Pyx_ImportDottedModule_WalkParts(module, name, parts_tuple);
+#endif
+}
+static PyObject *__Pyx_ImportDottedModule(PyObject *name, PyObject *parts_tuple) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030400B1
+    PyObject *module = __Pyx__ImportDottedModule_Lookup(name);
+    if (likely(module)) {
+        PyObject *spec = __Pyx_PyObject_GetAttrStrNoError(module, __pyx_n_s_spec);
+        if (likely(spec)) {
+            PyObject *unsafe = __Pyx_PyObject_GetAttrStrNoError(spec, __pyx_n_s_initializing);
+            if (likely(!unsafe || !__Pyx_PyObject_IsTrue(unsafe))) {
+                Py_DECREF(spec);
+                spec = NULL;
+            }
+            Py_XDECREF(unsafe);
+        }
+        if (likely(!spec)) {
+            PyErr_Clear();
+            return module;
+        }
+        Py_DECREF(spec);
+        Py_DECREF(module);
+    } else if (PyErr_Occurred()) {
+        PyErr_Clear();
     }
-    return result;
-}
 #endif
+    return __Pyx__ImportDottedModule(name, parts_tuple);
+}
 
-/* PyObjectCallOneArg */
+/* FastTypeChecks */
 #if CYTHON_COMPILING_IN_CPYTHON
-static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject *result;
-    PyObject *args = PyTuple_New(1);
-    if (unlikely(!args)) return NULL;
-    Py_INCREF(arg);
-    PyTuple_SET_ITEM(args, 0, arg);
-    result = __Pyx_PyObject_Call(func, args, NULL);
-    Py_DECREF(args);
-    return result;
+static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
+    while (a) {
+        a = __Pyx_PyType_GetSlot(a, tp_base, PyTypeObject*);
+        if (a == b)
+            return 1;
+    }
+    return b == &PyBaseObject_Type;
 }
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-#if CYTHON_FAST_PYCALL
-    if (PyFunction_Check(func)) {
-        return __Pyx_PyFunction_FastCall(func, &arg, 1);
+static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
+    PyObject *mro;
+    if (a == b) return 1;
+    mro = a->tp_mro;
+    if (likely(mro)) {
+        Py_ssize_t i, n;
+        n = PyTuple_GET_SIZE(mro);
+        for (i = 0; i < n; i++) {
+            if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
+                return 1;
+        }
+        return 0;
     }
-#endif
-    if (likely(PyCFunction_Check(func))) {
-        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
-            return __Pyx_PyObject_CallMethO(func, arg);
-#if CYTHON_FAST_PYCCALL
-        } else if (__Pyx_PyFastCFunction_Check(func)) {
-            return __Pyx_PyCFunction_FastCall(func, &arg, 1);
-#endif
+    return __Pyx_InBases(a, b);
+}
+static CYTHON_INLINE int __Pyx_IsAnySubtype2(PyTypeObject *cls, PyTypeObject *a, PyTypeObject *b) {
+    PyObject *mro;
+    if (cls == a || cls == b) return 1;
+    mro = cls->tp_mro;
+    if (likely(mro)) {
+        Py_ssize_t i, n;
+        n = PyTuple_GET_SIZE(mro);
+        for (i = 0; i < n; i++) {
+            PyObject *base = PyTuple_GET_ITEM(mro, i);
+            if (base == (PyObject *)a || base == (PyObject *)b)
+                return 1;
+        }
+        return 0;
+    }
+    return __Pyx_InBases(cls, a) || __Pyx_InBases(cls, b);
+}
+#if PY_MAJOR_VERSION == 2
+static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) {
+    PyObject *exception, *value, *tb;
+    int res;
+    __Pyx_PyThreadState_declare
+    __Pyx_PyThreadState_assign
+    __Pyx_ErrFetch(&exception, &value, &tb);
+    res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0;
+    if (unlikely(res == -1)) {
+        PyErr_WriteUnraisable(err);
+        res = 0;
+    }
+    if (!res) {
+        res = PyObject_IsSubclass(err, exc_type2);
+        if (unlikely(res == -1)) {
+            PyErr_WriteUnraisable(err);
+            res = 0;
         }
     }
-    return __Pyx__PyObject_CallOneArg(func, arg);
+    __Pyx_ErrRestore(exception, value, tb);
+    return res;
 }
 #else
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject *result;
-    PyObject *args = PyTuple_Pack(1, arg);
-    if (unlikely(!args)) return NULL;
-    result = __Pyx_PyObject_Call(func, args, NULL);
-    Py_DECREF(args);
-    return result;
+static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
+    if (exc_type1) {
+        return __Pyx_IsAnySubtype2((PyTypeObject*)err, (PyTypeObject*)exc_type1, (PyTypeObject*)exc_type2);
+    } else {
+        return __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
+    }
 }
 #endif
-
-/* PyObjectCallNoArg */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
-#if CYTHON_FAST_PYCALL
-    if (PyFunction_Check(func)) {
-        return __Pyx_PyFunction_FastCall(func, NULL, 0);
+static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
+    Py_ssize_t i, n;
+    assert(PyExceptionClass_Check(exc_type));
+    n = PyTuple_GET_SIZE(tuple);
+#if PY_MAJOR_VERSION >= 3
+    for (i=0; i<n; i++) {
+        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
     }
 #endif
-#ifdef __Pyx_CyFunction_USED
-    if (likely(PyCFunction_Check(func) || __Pyx_CyFunction_Check(func)))
-#else
-    if (likely(PyCFunction_Check(func)))
-#endif
-    {
-        if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) {
-            return __Pyx_PyObject_CallMethO(func, NULL);
+    for (i=0; i<n; i++) {
+        PyObject *t = PyTuple_GET_ITEM(tuple, i);
+        #if PY_MAJOR_VERSION < 3
+        if (likely(exc_type == t)) return 1;
+        #endif
+        if (likely(PyExceptionClass_Check(t))) {
+            if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
+        } else {
+        }
+    }
+    return 0;
+}
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
+    if (likely(err == exc_type)) return 1;
+    if (likely(PyExceptionClass_Check(err))) {
+        if (likely(PyExceptionClass_Check(exc_type))) {
+            return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
+        } else if (likely(PyTuple_Check(exc_type))) {
+            return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
+        } else {
         }
     }
-    return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL);
+    return PyErr_GivenExceptionMatches(err, exc_type);
+}
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
+    assert(PyExceptionClass_Check(exc_type1));
+    assert(PyExceptionClass_Check(exc_type2));
+    if (likely(err == exc_type1 || err == exc_type2)) return 1;
+    if (likely(PyExceptionClass_Check(err))) {
+        return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
+    }
+    return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
 }
 #endif
 
-/* MemviewSliceInit */
-static int
-__Pyx_init_memviewslice(struct __pyx_memoryview_obj *memview,
-                        int ndim,
-                        __Pyx_memviewslice *memviewslice,
-                        int memview_is_new_reference)
-{
-    __Pyx_RefNannyDeclarations
-    int i, retval=-1;
-    Py_buffer *buf = &memview->view;
-    __Pyx_RefNannySetupContext("init_memviewslice", 0);
-    if (unlikely(memviewslice->memview || memviewslice->data)) {
-        PyErr_SetString(PyExc_ValueError,
-            "memviewslice is already initialized!");
-        goto fail;
+/* PySequenceMultiply */
+static PyObject* __Pyx_PySequence_Multiply_Generic(PyObject *seq, Py_ssize_t mul) {
+    PyObject *result, *pymul = PyInt_FromSsize_t(mul);
+    if (unlikely(!pymul))
+        return NULL;
+    result = PyNumber_Multiply(seq, pymul);
+    Py_DECREF(pymul);
+    return result;
+}
+static CYTHON_INLINE PyObject* __Pyx_PySequence_Multiply(PyObject *seq, Py_ssize_t mul) {
+#if CYTHON_USE_TYPE_SLOTS
+    PyTypeObject *type = Py_TYPE(seq);
+    if (likely(type->tp_as_sequence && type->tp_as_sequence->sq_repeat)) {
+        return type->tp_as_sequence->sq_repeat(seq, mul);
+    } else
+#endif
+    {
+        return __Pyx_PySequence_Multiply_Generic(seq, mul);
     }
-    if (buf->strides) {
-        for (i = 0; i < ndim; i++) {
-            memviewslice->strides[i] = buf->strides[i];
+}
+
+/* SetItemInt */
+static int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v) {
+    int r;
+    if (unlikely(!j)) return -1;
+    r = PyObject_SetItem(o, j, v);
+    Py_DECREF(j);
+    return r;
+}
+static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v, int is_list,
+                                               CYTHON_NCP_UNUSED int wraparound, CYTHON_NCP_UNUSED int boundscheck) {
+#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
+    if (is_list || PyList_CheckExact(o)) {
+        Py_ssize_t n = (!wraparound) ? i : ((likely(i >= 0)) ? i : i + PyList_GET_SIZE(o));
+        if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o)))) {
+            PyObject* old = PyList_GET_ITEM(o, n);
+            Py_INCREF(v);
+            PyList_SET_ITEM(o, n, v);
+            Py_DECREF(old);
+            return 1;
         }
     } else {
-        Py_ssize_t stride = buf->itemsize;
-        for (i = ndim - 1; i >= 0; i--) {
-            memviewslice->strides[i] = stride;
-            stride *= buf->shape[i];
+        PyMappingMethods *mm = Py_TYPE(o)->tp_as_mapping;
+        PySequenceMethods *sm = Py_TYPE(o)->tp_as_sequence;
+        if (mm && mm->mp_ass_subscript) {
+            int r;
+            PyObject *key = PyInt_FromSsize_t(i);
+            if (unlikely(!key)) return -1;
+            r = mm->mp_ass_subscript(o, key, v);
+            Py_DECREF(key);
+            return r;
         }
-    }
-    for (i = 0; i < ndim; i++) {
-        memviewslice->shape[i]   = buf->shape[i];
-        if (buf->suboffsets) {
-            memviewslice->suboffsets[i] = buf->suboffsets[i];
-        } else {
-            memviewslice->suboffsets[i] = -1;
+        if (likely(sm && sm->sq_ass_item)) {
+            if (wraparound && unlikely(i < 0) && likely(sm->sq_length)) {
+                Py_ssize_t l = sm->sq_length(o);
+                if (likely(l >= 0)) {
+                    i += l;
+                } else {
+                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
+                        return -1;
+                    PyErr_Clear();
+                }
+            }
+            return sm->sq_ass_item(o, i, v);
         }
     }
-    memviewslice->memview = memview;
-    memviewslice->data = (char *)buf->buf;
-    if (__pyx_add_acquisition_count(memview) == 0 && !memview_is_new_reference) {
-        Py_INCREF(memview);
-    }
-    retval = 0;
-    goto no_fail;
-fail:
-    memviewslice->memview = 0;
-    memviewslice->data = 0;
-    retval = -1;
-no_fail:
-    __Pyx_RefNannyFinishContext();
-    return retval;
-}
-#ifndef Py_NO_RETURN
-#define Py_NO_RETURN
-#endif
-static void __pyx_fatalerror(const char *fmt, ...) Py_NO_RETURN {
-    va_list vargs;
-    char msg[200];
-#ifdef HAVE_STDARG_PROTOTYPES
-    va_start(vargs, fmt);
 #else
-    va_start(vargs);
+    if (is_list || !PyMapping_Check(o))
+    {
+        return PySequence_SetItem(o, i, v);
+    }
 #endif
-    vsnprintf(msg, 200, fmt, vargs);
-    va_end(vargs);
-    Py_FatalError(msg);
+    return __Pyx_SetItemInt_Generic(o, PyInt_FromSsize_t(i), v);
 }
-static CYTHON_INLINE int
-__pyx_add_acquisition_count_locked(__pyx_atomic_int *acquisition_count,
-                                   PyThread_type_lock lock)
-{
-    int result;
-    PyThread_acquire_lock(lock, 1);
-    result = (*acquisition_count)++;
-    PyThread_release_lock(lock);
-    return result;
+
+/* RaiseUnboundLocalError */
+static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) {
+    PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname);
 }
-static CYTHON_INLINE int
-__pyx_sub_acquisition_count_locked(__pyx_atomic_int *acquisition_count,
-                                   PyThread_type_lock lock)
-{
-    int result;
-    PyThread_acquire_lock(lock, 1);
-    result = (*acquisition_count)--;
-    PyThread_release_lock(lock);
-    return result;
+
+/* DivInt[long] */
+static CYTHON_INLINE long __Pyx_div_long(long a, long b) {
+    long q = a / b;
+    long r = a - q*b;
+    q -= ((r != 0) & ((r ^ b) < 0));
+    return q;
 }
-static CYTHON_INLINE void
-__Pyx_INC_MEMVIEW(__Pyx_memviewslice *memslice, int have_gil, int lineno)
-{
-    int first_time;
-    struct __pyx_memoryview_obj *memview = memslice->memview;
-    if (unlikely(!memview || (PyObject *) memview == Py_None))
-        return;
-    if (unlikely(__pyx_get_slice_count(memview) < 0))
-        __pyx_fatalerror("Acquisition count is %d (line %d)",
-                         __pyx_get_slice_count(memview), lineno);
-    first_time = __pyx_add_acquisition_count(memview) == 0;
-    if (unlikely(first_time)) {
-        if (have_gil) {
-            Py_INCREF((PyObject *) memview);
-        } else {
-            PyGILState_STATE _gilstate = PyGILState_Ensure();
-            Py_INCREF((PyObject *) memview);
-            PyGILState_Release(_gilstate);
+
+/* ImportFrom */
+static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
+    PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
+    if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
+        const char* module_name_str = 0;
+        PyObject* module_name = 0;
+        PyObject* module_dot = 0;
+        PyObject* full_name = 0;
+        PyErr_Clear();
+        module_name_str = PyModule_GetName(module);
+        if (unlikely(!module_name_str)) { goto modbad; }
+        module_name = PyUnicode_FromString(module_name_str);
+        if (unlikely(!module_name)) { goto modbad; }
+        module_dot = PyUnicode_Concat(module_name, __pyx_kp_u__2);
+        if (unlikely(!module_dot)) { goto modbad; }
+        full_name = PyUnicode_Concat(module_dot, name);
+        if (unlikely(!full_name)) { goto modbad; }
+        #if PY_VERSION_HEX < 0x030700A1 || (CYTHON_COMPILING_IN_PYPY && PYPY_VERSION_NUM  < 0x07030400)
+        {
+            PyObject *modules = PyImport_GetModuleDict();
+            if (unlikely(!modules))
+                goto modbad;
+            value = PyObject_GetItem(modules, full_name);
         }
+        #else
+        value = PyImport_GetModule(full_name);
+        #endif
+      modbad:
+        Py_XDECREF(full_name);
+        Py_XDECREF(module_dot);
+        Py_XDECREF(module_name);
     }
+    if (unlikely(!value)) {
+        PyErr_Format(PyExc_ImportError,
+        #if PY_MAJOR_VERSION < 3
+            "cannot import name %.230s", PyString_AS_STRING(name));
+        #else
+            "cannot import name %S", name);
+        #endif
+    }
+    return value;
 }
-static CYTHON_INLINE void __Pyx_XDEC_MEMVIEW(__Pyx_memviewslice *memslice,
-                                             int have_gil, int lineno) {
-    int last_time;
-    struct __pyx_memoryview_obj *memview = memslice->memview;
-    if (unlikely(!memview || (PyObject *) memview == Py_None)) {
-        memslice->memview = NULL;
-        return;
+
+/* HasAttr */
+#if __PYX_LIMITED_VERSION_HEX < 0x030d00A1
+static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) {
+    PyObject *r;
+    if (unlikely(!__Pyx_PyBaseString_Check(n))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "hasattr(): attribute name must be string");
+        return -1;
     }
-    if (unlikely(__pyx_get_slice_count(memview) <= 0))
-        __pyx_fatalerror("Acquisition count is %d (line %d)",
-                         __pyx_get_slice_count(memview), lineno);
-    last_time = __pyx_sub_acquisition_count(memview) == 1;
-    memslice->data = NULL;
-    if (unlikely(last_time)) {
-        if (have_gil) {
-            Py_CLEAR(memslice->memview);
-        } else {
-            PyGILState_STATE _gilstate = PyGILState_Ensure();
-            Py_CLEAR(memslice->memview);
-            PyGILState_Release(_gilstate);
-        }
+    r = __Pyx_GetAttr(o, n);
+    if (!r) {
+        PyErr_Clear();
+        return 0;
     } else {
-        memslice->memview = NULL;
+        Py_DECREF(r);
+        return 1;
     }
 }
+#endif
 
-/* RaiseArgTupleInvalid */
-static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
-    Py_ssize_t num_expected;
-    const char *more_or_less;
-    if (num_found < num_min) {
-        num_expected = num_min;
-        more_or_less = "at least";
-    } else {
-        num_expected = num_max;
-        more_or_less = "at most";
+/* PyObject_GenericGetAttrNoDict */
+#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
+static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) {
+    __Pyx_TypeName type_name = __Pyx_PyType_GetName(tp);
+    PyErr_Format(PyExc_AttributeError,
+#if PY_MAJOR_VERSION >= 3
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%U'",
+                 type_name, attr_name);
+#else
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%.400s'",
+                 type_name, PyString_AS_STRING(attr_name));
+#endif
+    __Pyx_DECREF_TypeName(type_name);
+    return NULL;
+}
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) {
+    PyObject *descr;
+    PyTypeObject *tp = Py_TYPE(obj);
+    if (unlikely(!PyString_Check(attr_name))) {
+        return PyObject_GenericGetAttr(obj, attr_name);
     }
-    if (exact) {
-        more_or_less = "exactly";
+    assert(!tp->tp_dictoffset);
+    descr = _PyType_Lookup(tp, attr_name);
+    if (unlikely(!descr)) {
+        return __Pyx_RaiseGenericGetAttributeError(tp, attr_name);
     }
-    PyErr_Format(PyExc_TypeError,
-                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
-                 func_name, more_or_less, num_expected,
-                 (num_expected == 1) ? "" : "s", num_found);
+    Py_INCREF(descr);
+    #if PY_MAJOR_VERSION < 3
+    if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS)))
+    #endif
+    {
+        descrgetfunc f = Py_TYPE(descr)->tp_descr_get;
+        if (unlikely(f)) {
+            PyObject *res = f(descr, obj, (PyObject *)tp);
+            Py_DECREF(descr);
+            return res;
+        }
+    }
+    return descr;
 }
+#endif
 
-/* RaiseDoubleKeywords */
-static void __Pyx_RaiseDoubleKeywordsError(
-    const char* func_name,
-    PyObject* kw_name)
-{
-    PyErr_Format(PyExc_TypeError,
-        #if PY_MAJOR_VERSION >= 3
-        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
-        #else
-        "%s() got multiple values for keyword argument '%s'", func_name,
-        PyString_AsString(kw_name));
-        #endif
+/* PyObject_GenericGetAttr */
+#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
+static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) {
+    if (unlikely(Py_TYPE(obj)->tp_dictoffset)) {
+        return PyObject_GenericGetAttr(obj, attr_name);
+    }
+    return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name);
 }
+#endif
 
-/* ParseKeywords */
-static int __Pyx_ParseOptionalKeywords(
-    PyObject *kwds,
-    PyObject **argnames[],
-    PyObject *kwds2,
-    PyObject *values[],
-    Py_ssize_t num_pos_args,
-    const char* function_name)
-{
-    PyObject *key = 0, *value = 0;
-    Py_ssize_t pos = 0;
-    PyObject*** name;
-    PyObject*** first_kw_arg = argnames + num_pos_args;
-    while (PyDict_Next(kwds, &pos, &key, &value)) {
-        name = first_kw_arg;
-        while (*name && (**name != key)) name++;
-        if (*name) {
-            values[name-argnames] = value;
-            continue;
-        }
-        name = first_kw_arg;
-        #if PY_MAJOR_VERSION < 3
-        if (likely(PyString_Check(key))) {
-            while (*name) {
-                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
-                        && _PyString_Eq(**name, key)) {
-                    values[name-argnames] = value;
-                    break;
+/* FixUpExtensionType */
+#if CYTHON_USE_TYPE_SPECS
+static int __Pyx_fix_up_extension_type_from_spec(PyType_Spec *spec, PyTypeObject *type) {
+#if PY_VERSION_HEX > 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    CYTHON_UNUSED_VAR(spec);
+    CYTHON_UNUSED_VAR(type);
+#else
+    const PyType_Slot *slot = spec->slots;
+    while (slot && slot->slot && slot->slot != Py_tp_members)
+        slot++;
+    if (slot && slot->slot == Py_tp_members) {
+        int changed = 0;
+#if !(PY_VERSION_HEX <= 0x030900b1 && CYTHON_COMPILING_IN_CPYTHON)
+        const
+#endif
+            PyMemberDef *memb = (PyMemberDef*) slot->pfunc;
+        while (memb && memb->name) {
+            if (memb->name[0] == '_' && memb->name[1] == '_') {
+#if PY_VERSION_HEX < 0x030900b1
+                if (strcmp(memb->name, "__weaklistoffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+                    type->tp_weaklistoffset = memb->offset;
+                    changed = 1;
                 }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    if ((**argname == key) || (
-                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
-                             && _PyString_Eq(**argname, key))) {
-                        goto arg_passed_twice;
-                    }
-                    argname++;
+                else if (strcmp(memb->name, "__dictoffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+                    type->tp_dictoffset = memb->offset;
+                    changed = 1;
                 }
-            }
-        } else
-        #endif
-        if (likely(PyUnicode_Check(key))) {
-            while (*name) {
-                int cmp = (**name == key) ? 0 :
-                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                    (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
-                #endif
-                    PyUnicode_Compare(**name, key);
-                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                if (cmp == 0) {
-                    values[name-argnames] = value;
-                    break;
+#if CYTHON_METH_FASTCALL
+                else if (strcmp(memb->name, "__vectorcalloffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+#if PY_VERSION_HEX >= 0x030800b4
+                    type->tp_vectorcall_offset = memb->offset;
+#else
+                    type->tp_print = (printfunc) memb->offset;
+#endif
+                    changed = 1;
                 }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    int cmp = (**argname == key) ? 0 :
-                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                        (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
-                    #endif
-                        PyUnicode_Compare(**argname, key);
-                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                    if (cmp == 0) goto arg_passed_twice;
-                    argname++;
+#endif
+#else
+                if ((0));
+#endif
+#if PY_VERSION_HEX <= 0x030900b1 && CYTHON_COMPILING_IN_CPYTHON
+                else if (strcmp(memb->name, "__module__") == 0) {
+                    PyObject *descr;
+                    assert(memb->type == T_OBJECT);
+                    assert(memb->flags == 0 || memb->flags == READONLY);
+                    descr = PyDescr_NewMember(type, memb);
+                    if (unlikely(!descr))
+                        return -1;
+                    if (unlikely(PyDict_SetItem(type->tp_dict, PyDescr_NAME(descr), descr) < 0)) {
+                        Py_DECREF(descr);
+                        return -1;
+                    }
+                    Py_DECREF(descr);
+                    changed = 1;
                 }
+#endif
             }
-        } else
-            goto invalid_keyword_type;
-        if (kwds2) {
-            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
-        } else {
-            goto invalid_keyword;
+            memb++;
         }
+        if (changed)
+            PyType_Modified(type);
     }
+#endif
     return 0;
-arg_passed_twice:
-    __Pyx_RaiseDoubleKeywordsError(function_name, key);
-    goto bad;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%.200s() keywords must be strings", function_name);
-    goto bad;
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%.200s() got an unexpected keyword argument '%.200s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-bad:
-    return -1;
 }
+#endif
 
-/* None */
-static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) {
-    PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname);
+/* PyObjectCallNoArg */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
+    PyObject *arg[2] = {NULL, NULL};
+    return __Pyx_PyObject_FastCall(func, arg + 1, 0 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET);
 }
 
-/* ArgTypeTest */
-static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact)
-{
-    if (unlikely(!type)) {
-        PyErr_SetString(PyExc_SystemError, "Missing type object");
+/* PyObjectGetMethod */
+static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method) {
+    PyObject *attr;
+#if CYTHON_UNPACK_METHODS && CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_PYTYPE_LOOKUP
+    __Pyx_TypeName type_name;
+    PyTypeObject *tp = Py_TYPE(obj);
+    PyObject *descr;
+    descrgetfunc f = NULL;
+    PyObject **dictptr, *dict;
+    int meth_found = 0;
+    assert (*method == NULL);
+    if (unlikely(tp->tp_getattro != PyObject_GenericGetAttr)) {
+        attr = __Pyx_PyObject_GetAttrStr(obj, name);
+        goto try_unpack;
+    }
+    if (unlikely(tp->tp_dict == NULL) && unlikely(PyType_Ready(tp) < 0)) {
         return 0;
     }
-    else if (exact) {
-        #if PY_MAJOR_VERSION == 2
-        if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1;
+    descr = _PyType_Lookup(tp, name);
+    if (likely(descr != NULL)) {
+        Py_INCREF(descr);
+#if defined(Py_TPFLAGS_METHOD_DESCRIPTOR) && Py_TPFLAGS_METHOD_DESCRIPTOR
+        if (__Pyx_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR))
+#elif PY_MAJOR_VERSION >= 3
+        #ifdef __Pyx_CyFunction_USED
+        if (likely(PyFunction_Check(descr) || __Pyx_IS_TYPE(descr, &PyMethodDescr_Type) || __Pyx_CyFunction_Check(descr)))
+        #else
+        if (likely(PyFunction_Check(descr) || __Pyx_IS_TYPE(descr, &PyMethodDescr_Type)))
+        #endif
+#else
+        #ifdef __Pyx_CyFunction_USED
+        if (likely(PyFunction_Check(descr) || __Pyx_CyFunction_Check(descr)))
+        #else
+        if (likely(PyFunction_Check(descr)))
         #endif
-    }
-    else {
-        if (likely(__Pyx_TypeCheck(obj, type))) return 1;
-    }
-    PyErr_Format(PyExc_TypeError,
-        "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)",
-        name, type->tp_name, Py_TYPE(obj)->tp_name);
-    return 0;
-}
-
-/* PyErrFetchRestore */
-#if CYTHON_FAST_THREAD_STATE
-static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    tmp_type = tstate->curexc_type;
-    tmp_value = tstate->curexc_value;
-    tmp_tb = tstate->curexc_traceback;
-    tstate->curexc_type = type;
-    tstate->curexc_value = value;
-    tstate->curexc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-}
-static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    *type = tstate->curexc_type;
-    *value = tstate->curexc_value;
-    *tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-}
 #endif
-
-/* RaiseException */
-#if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
-    __Pyx_PyThreadState_declare
-    Py_XINCREF(type);
-    if (!value || value == Py_None)
-        value = NULL;
-    else
-        Py_INCREF(value);
-    if (!tb || tb == Py_None)
-        tb = NULL;
-    else {
-        Py_INCREF(tb);
-        if (!PyTraceBack_Check(tb)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: arg 3 must be a traceback or None");
-            goto raise_error;
+        {
+            meth_found = 1;
+        } else {
+            f = Py_TYPE(descr)->tp_descr_get;
+            if (f != NULL && PyDescr_IsData(descr)) {
+                attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
+                Py_DECREF(descr);
+                goto try_unpack;
+            }
         }
     }
-    if (PyType_Check(type)) {
-#if CYTHON_COMPILING_IN_PYPY
-        if (!value) {
-            Py_INCREF(Py_None);
-            value = Py_None;
-        }
-#endif
-        PyErr_NormalizeException(&type, &value, &tb);
-    } else {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto raise_error;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(type);
-        Py_INCREF(type);
-        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception class must be a subclass of BaseException");
-            goto raise_error;
+    dictptr = _PyObject_GetDictPtr(obj);
+    if (dictptr != NULL && (dict = *dictptr) != NULL) {
+        Py_INCREF(dict);
+        attr = __Pyx_PyDict_GetItemStr(dict, name);
+        if (attr != NULL) {
+            Py_INCREF(attr);
+            Py_DECREF(dict);
+            Py_XDECREF(descr);
+            goto try_unpack;
         }
+        Py_DECREF(dict);
     }
-    __Pyx_PyThreadState_assign
-    __Pyx_ErrRestore(type, value, tb);
-    return;
-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
-}
-#else
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    PyObject* owned_instance = NULL;
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
+    if (meth_found) {
+        *method = descr;
+        return 1;
     }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (PyExceptionClass_Check(type)) {
-        PyObject *instance_class = NULL;
-        if (value && PyExceptionInstance_Check(value)) {
-            instance_class = (PyObject*) Py_TYPE(value);
-            if (instance_class != type) {
-                int is_subclass = PyObject_IsSubclass(instance_class, type);
-                if (!is_subclass) {
-                    instance_class = NULL;
-                } else if (unlikely(is_subclass == -1)) {
-                    goto bad;
-                } else {
-                    type = instance_class;
-                }
-            }
-        }
-        if (!instance_class) {
-            PyObject *args;
-            if (!value)
-                args = PyTuple_New(0);
-            else if (PyTuple_Check(value)) {
-                Py_INCREF(value);
-                args = value;
-            } else
-                args = PyTuple_Pack(1, value);
-            if (!args)
-                goto bad;
-            owned_instance = PyObject_Call(type, args, NULL);
-            Py_DECREF(args);
-            if (!owned_instance)
-                goto bad;
-            value = owned_instance;
-            if (!PyExceptionInstance_Check(value)) {
-                PyErr_Format(PyExc_TypeError,
-                             "calling %R should have returned an instance of "
-                             "BaseException, not %R",
-                             type, Py_TYPE(value));
-                goto bad;
-            }
-        }
-    } else {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
+    if (f != NULL) {
+        attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
+        Py_DECREF(descr);
+        goto try_unpack;
     }
-    if (cause) {
-        PyObject *fixed_cause;
-        if (cause == Py_None) {
-            fixed_cause = NULL;
-        } else if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
-        } else if (PyExceptionInstance_Check(cause)) {
-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
-        } else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
-        }
-        PyException_SetCause(value, fixed_cause);
+    if (likely(descr != NULL)) {
+        *method = descr;
+        return 0;
     }
-    PyErr_SetObject(type, value);
-    if (tb) {
-#if CYTHON_COMPILING_IN_PYPY
-        PyObject *tmp_type, *tmp_value, *tmp_tb;
-        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
-        Py_INCREF(tb);
-        PyErr_Restore(tmp_type, tmp_value, tb);
-        Py_XDECREF(tmp_tb);
+    type_name = __Pyx_PyType_GetName(tp);
+    PyErr_Format(PyExc_AttributeError,
+#if PY_MAJOR_VERSION >= 3
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%U'",
+                 type_name, name);
 #else
-        PyThreadState *tstate = __Pyx_PyThreadState_Current;
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
-        }
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%.400s'",
+                 type_name, PyString_AS_STRING(name));
 #endif
+    __Pyx_DECREF_TypeName(type_name);
+    return 0;
+#else
+    attr = __Pyx_PyObject_GetAttrStr(obj, name);
+    goto try_unpack;
+#endif
+try_unpack:
+#if CYTHON_UNPACK_METHODS
+    if (likely(attr) && PyMethod_Check(attr) && likely(PyMethod_GET_SELF(attr) == obj)) {
+        PyObject *function = PyMethod_GET_FUNCTION(attr);
+        Py_INCREF(function);
+        Py_DECREF(attr);
+        *method = function;
+        return 1;
     }
-bad:
-    Py_XDECREF(owned_instance);
-    return;
-}
 #endif
+    *method = attr;
+    return 0;
+}
 
-/* BytesEquals */
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-    if (s1 == s2) {
-        return (equals == Py_EQ);
-    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
-        const char *ps1, *ps2;
-        Py_ssize_t length = PyBytes_GET_SIZE(s1);
-        if (length != PyBytes_GET_SIZE(s2))
-            return (equals == Py_NE);
-        ps1 = PyBytes_AS_STRING(s1);
-        ps2 = PyBytes_AS_STRING(s2);
-        if (ps1[0] != ps2[0]) {
-            return (equals == Py_NE);
-        } else if (length == 1) {
-            return (equals == Py_EQ);
-        } else {
-            int result;
-#if CYTHON_USE_UNICODE_INTERNALS
-            Py_hash_t hash1, hash2;
-            hash1 = ((PyBytesObject*)s1)->ob_shash;
-            hash2 = ((PyBytesObject*)s2)->ob_shash;
-            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
-                return (equals == Py_NE);
-            }
-#endif
-            result = memcmp(ps1, ps2, (size_t)length);
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
-        return (equals == Py_NE);
-    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
-        return (equals == Py_NE);
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
+/* PyObjectCallMethod0 */
+static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name) {
+    PyObject *method = NULL, *result = NULL;
+    int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method);
+    if (likely(is_method)) {
+        result = __Pyx_PyObject_CallOneArg(method, obj);
+        Py_DECREF(method);
         return result;
     }
+    if (unlikely(!method)) goto bad;
+    result = __Pyx_PyObject_CallNoArg(method);
+    Py_DECREF(method);
+bad:
+    return result;
+}
+
+/* ValidateBasesTuple */
+#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_USE_TYPE_SPECS
+static int __Pyx_validate_bases_tuple(const char *type_name, Py_ssize_t dictoffset, PyObject *bases) {
+    Py_ssize_t i, n;
+#if CYTHON_ASSUME_SAFE_MACROS
+    n = PyTuple_GET_SIZE(bases);
+#else
+    n = PyTuple_Size(bases);
+    if (n < 0) return -1;
 #endif
-}
-
-/* UnicodeEquals */
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
+    for (i = 1; i < n; i++)
+    {
+#if CYTHON_AVOID_BORROWED_REFS
+        PyObject *b0 = PySequence_GetItem(bases, i);
+        if (!b0) return -1;
+#elif CYTHON_ASSUME_SAFE_MACROS
+        PyObject *b0 = PyTuple_GET_ITEM(bases, i);
 #else
-#if PY_MAJOR_VERSION < 3
-    PyObject* owned_ref = NULL;
+        PyObject *b0 = PyTuple_GetItem(bases, i);
+        if (!b0) return -1;
 #endif
-    int s1_is_unicode, s2_is_unicode;
-    if (s1 == s2) {
-        goto return_eq;
-    }
-    s1_is_unicode = PyUnicode_CheckExact(s1);
-    s2_is_unicode = PyUnicode_CheckExact(s2);
+        PyTypeObject *b;
 #if PY_MAJOR_VERSION < 3
-    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
-        owned_ref = PyUnicode_FromObject(s2);
-        if (unlikely(!owned_ref))
-            return -1;
-        s2 = owned_ref;
-        s2_is_unicode = 1;
-    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
-        owned_ref = PyUnicode_FromObject(s1);
-        if (unlikely(!owned_ref))
+        if (PyClass_Check(b0))
+        {
+            PyErr_Format(PyExc_TypeError, "base class '%.200s' is an old-style class",
+                         PyString_AS_STRING(((PyClassObject*)b0)->cl_name));
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_DECREF(b0);
+#endif
             return -1;
-        s1 = owned_ref;
-        s1_is_unicode = 1;
-    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
-        return __Pyx_PyBytes_Equals(s1, s2, equals);
-    }
+        }
+#endif
+        b = (PyTypeObject*) b0;
+        if (!__Pyx_PyType_HasFeature(b, Py_TPFLAGS_HEAPTYPE))
+        {
+            __Pyx_TypeName b_name = __Pyx_PyType_GetName(b);
+            PyErr_Format(PyExc_TypeError,
+                "base class '" __Pyx_FMT_TYPENAME "' is not a heap type", b_name);
+            __Pyx_DECREF_TypeName(b_name);
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_DECREF(b0);
 #endif
-    if (s1_is_unicode & s2_is_unicode) {
-        Py_ssize_t length;
-        int kind;
-        void *data1, *data2;
-        if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0))
             return -1;
-        length = __Pyx_PyUnicode_GET_LENGTH(s1);
-        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
-            goto return_ne;
         }
-#if CYTHON_USE_UNICODE_INTERNALS
+        if (dictoffset == 0)
         {
-            Py_hash_t hash1, hash2;
-        #if CYTHON_PEP393_ENABLED
-            hash1 = ((PyASCIIObject*)s1)->hash;
-            hash2 = ((PyASCIIObject*)s2)->hash;
-        #else
-            hash1 = ((PyUnicodeObject*)s1)->hash;
-            hash2 = ((PyUnicodeObject*)s2)->hash;
-        #endif
-            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
-                goto return_ne;
+            Py_ssize_t b_dictoffset = 0;
+#if CYTHON_USE_TYPE_SLOTS || CYTHON_COMPILING_IN_PYPY
+            b_dictoffset = b->tp_dictoffset;
+#else
+            PyObject *py_b_dictoffset = PyObject_GetAttrString((PyObject*)b, "__dictoffset__");
+            if (!py_b_dictoffset) goto dictoffset_return;
+            b_dictoffset = PyLong_AsSsize_t(py_b_dictoffset);
+            Py_DECREF(py_b_dictoffset);
+            if (b_dictoffset == -1 && PyErr_Occurred()) goto dictoffset_return;
+#endif
+            if (b_dictoffset) {
+                {
+                    __Pyx_TypeName b_name = __Pyx_PyType_GetName(b);
+                    PyErr_Format(PyExc_TypeError,
+                        "extension type '%.200s' has no __dict__ slot, "
+                        "but base type '" __Pyx_FMT_TYPENAME "' has: "
+                        "either add 'cdef dict __dict__' to the extension type "
+                        "or add '__slots__ = [...]' to the base type",
+                        type_name, b_name);
+                    __Pyx_DECREF_TypeName(b_name);
+                }
+#if !(CYTHON_USE_TYPE_SLOTS || CYTHON_COMPILING_IN_PYPY)
+              dictoffset_return:
+#endif
+#if CYTHON_AVOID_BORROWED_REFS
+                Py_DECREF(b0);
+#endif
+                return -1;
             }
         }
+#if CYTHON_AVOID_BORROWED_REFS
+        Py_DECREF(b0);
 #endif
-        kind = __Pyx_PyUnicode_KIND(s1);
-        if (kind != __Pyx_PyUnicode_KIND(s2)) {
-            goto return_ne;
-        }
-        data1 = __Pyx_PyUnicode_DATA(s1);
-        data2 = __Pyx_PyUnicode_DATA(s2);
-        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
-            goto return_ne;
-        } else if (length == 1) {
-            goto return_eq;
-        } else {
-            int result = memcmp(data1, data2, (size_t)(length * kind));
-            #if PY_MAJOR_VERSION < 3
-            Py_XDECREF(owned_ref);
-            #endif
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & s2_is_unicode) {
-        goto return_ne;
-    } else if ((s2 == Py_None) & s1_is_unicode) {
-        goto return_ne;
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        #if PY_MAJOR_VERSION < 3
-        Py_XDECREF(owned_ref);
+    }
+    return 0;
+}
+#endif
+
+/* PyType_Ready */
+static int __Pyx_PyType_Ready(PyTypeObject *t) {
+#if CYTHON_USE_TYPE_SPECS || !(CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API) || defined(PYSTON_MAJOR_VERSION)
+    (void)__Pyx_PyObject_CallMethod0;
+#if CYTHON_USE_TYPE_SPECS
+    (void)__Pyx_validate_bases_tuple;
+#endif
+    return PyType_Ready(t);
+#else
+    int r;
+    PyObject *bases = __Pyx_PyType_GetSlot(t, tp_bases, PyObject*);
+    if (bases && unlikely(__Pyx_validate_bases_tuple(t->tp_name, t->tp_dictoffset, bases) == -1))
+        return -1;
+#if PY_VERSION_HEX >= 0x03050000 && !defined(PYSTON_MAJOR_VERSION)
+    {
+        int gc_was_enabled;
+    #if PY_VERSION_HEX >= 0x030A00b1
+        gc_was_enabled = PyGC_Disable();
+        (void)__Pyx_PyObject_CallMethod0;
+    #else
+        PyObject *ret, *py_status;
+        PyObject *gc = NULL;
+        #if PY_VERSION_HEX >= 0x030700a1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM+0 >= 0x07030400)
+        gc = PyImport_GetModule(__pyx_kp_u_gc);
         #endif
-        if (!py_result)
+        if (unlikely(!gc)) gc = PyImport_Import(__pyx_kp_u_gc);
+        if (unlikely(!gc)) return -1;
+        py_status = __Pyx_PyObject_CallMethod0(gc, __pyx_kp_u_isenabled);
+        if (unlikely(!py_status)) {
+            Py_DECREF(gc);
             return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-return_eq:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
+        }
+        gc_was_enabled = __Pyx_PyObject_IsTrue(py_status);
+        Py_DECREF(py_status);
+        if (gc_was_enabled > 0) {
+            ret = __Pyx_PyObject_CallMethod0(gc, __pyx_kp_u_disable);
+            if (unlikely(!ret)) {
+                Py_DECREF(gc);
+                return -1;
+            }
+            Py_DECREF(ret);
+        } else if (unlikely(gc_was_enabled == -1)) {
+            Py_DECREF(gc);
+            return -1;
+        }
     #endif
-    return (equals == Py_EQ);
-return_ne:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
+        t->tp_flags |= Py_TPFLAGS_HEAPTYPE;
+#if PY_VERSION_HEX >= 0x030A0000
+        t->tp_flags |= Py_TPFLAGS_IMMUTABLETYPE;
+#endif
+#else
+        (void)__Pyx_PyObject_CallMethod0;
+#endif
+    r = PyType_Ready(t);
+#if PY_VERSION_HEX >= 0x03050000 && !defined(PYSTON_MAJOR_VERSION)
+        t->tp_flags &= ~Py_TPFLAGS_HEAPTYPE;
+    #if PY_VERSION_HEX >= 0x030A00b1
+        if (gc_was_enabled)
+            PyGC_Enable();
+    #else
+        if (gc_was_enabled) {
+            PyObject *tp, *v, *tb;
+            PyErr_Fetch(&tp, &v, &tb);
+            ret = __Pyx_PyObject_CallMethod0(gc, __pyx_kp_u_enable);
+            if (likely(ret || r == -1)) {
+                Py_XDECREF(ret);
+                PyErr_Restore(tp, v, tb);
+            } else {
+                Py_XDECREF(tp);
+                Py_XDECREF(v);
+                Py_XDECREF(tb);
+                r = -1;
+            }
+        }
+        Py_DECREF(gc);
     #endif
-    return (equals == Py_NE);
+    }
+#endif
+    return r;
 #endif
 }
 
-/* None */
-static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t a, Py_ssize_t b) {
-    Py_ssize_t q = a / b;
-    Py_ssize_t r = a - q*b;
-    q -= ((r != 0) & ((r ^ b) < 0));
-    return q;
+/* SetVTable */
+static int __Pyx_SetVtable(PyTypeObject *type, void *vtable) {
+    PyObject *ob = PyCapsule_New(vtable, 0, 0);
+    if (unlikely(!ob))
+        goto bad;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    if (unlikely(PyObject_SetAttr((PyObject *) type, __pyx_n_s_pyx_vtable, ob) < 0))
+#else
+    if (unlikely(PyDict_SetItem(type->tp_dict, __pyx_n_s_pyx_vtable, ob) < 0))
+#endif
+        goto bad;
+    Py_DECREF(ob);
+    return 0;
+bad:
+    Py_XDECREF(ob);
+    return -1;
 }
 
-/* GetAttr */
-static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) {
-#if CYTHON_USE_TYPE_SLOTS
-#if PY_MAJOR_VERSION >= 3
-    if (likely(PyUnicode_Check(n)))
+/* GetVTable */
+static void* __Pyx_GetVtable(PyTypeObject *type) {
+    void* ptr;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *ob = PyObject_GetAttr((PyObject *)type, __pyx_n_s_pyx_vtable);
 #else
-    if (likely(PyString_Check(n)))
-#endif
-        return __Pyx_PyObject_GetAttrStr(o, n);
+    PyObject *ob = PyObject_GetItem(type->tp_dict, __pyx_n_s_pyx_vtable);
 #endif
-    return PyObject_GetAttr(o, n);
+    if (!ob)
+        goto bad;
+    ptr = PyCapsule_GetPointer(ob, 0);
+    if (!ptr && !PyErr_Occurred())
+        PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
+    Py_DECREF(ob);
+    return ptr;
+bad:
+    Py_XDECREF(ob);
+    return NULL;
 }
 
-/* GetItemInt */
-static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
-    PyObject *r;
-    if (!j) return NULL;
-    r = PyObject_GetItem(o, j);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
-                                                              CYTHON_NCP_UNUSED int wraparound,
-                                                              CYTHON_NCP_UNUSED int boundscheck) {
-#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-    Py_ssize_t wrapped_i = i;
-    if (wraparound & unlikely(i < 0)) {
-        wrapped_i += PyList_GET_SIZE(o);
+/* MergeVTables */
+#if !CYTHON_COMPILING_IN_LIMITED_API
+static int __Pyx_MergeVtables(PyTypeObject *type) {
+    int i;
+    void** base_vtables;
+    __Pyx_TypeName tp_base_name;
+    __Pyx_TypeName base_name;
+    void* unknown = (void*)-1;
+    PyObject* bases = type->tp_bases;
+    int base_depth = 0;
+    {
+        PyTypeObject* base = type->tp_base;
+        while (base) {
+            base_depth += 1;
+            base = base->tp_base;
+        }
     }
-    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) {
-        PyObject *r = PyList_GET_ITEM(o, wrapped_i);
-        Py_INCREF(r);
-        return r;
+    base_vtables = (void**) malloc(sizeof(void*) * (size_t)(base_depth + 1));
+    base_vtables[0] = unknown;
+    for (i = 1; i < PyTuple_GET_SIZE(bases); i++) {
+        void* base_vtable = __Pyx_GetVtable(((PyTypeObject*)PyTuple_GET_ITEM(bases, i)));
+        if (base_vtable != NULL) {
+            int j;
+            PyTypeObject* base = type->tp_base;
+            for (j = 0; j < base_depth; j++) {
+                if (base_vtables[j] == unknown) {
+                    base_vtables[j] = __Pyx_GetVtable(base);
+                    base_vtables[j + 1] = unknown;
+                }
+                if (base_vtables[j] == base_vtable) {
+                    break;
+                } else if (base_vtables[j] == NULL) {
+                    goto bad;
+                }
+                base = base->tp_base;
+            }
+        }
     }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
+    PyErr_Clear();
+    free(base_vtables);
+    return 0;
+bad:
+    tp_base_name = __Pyx_PyType_GetName(type->tp_base);
+    base_name = __Pyx_PyType_GetName((PyTypeObject*)PyTuple_GET_ITEM(bases, i));
+    PyErr_Format(PyExc_TypeError,
+        "multiple bases have vtable conflict: '" __Pyx_FMT_TYPENAME "' and '" __Pyx_FMT_TYPENAME "'", tp_base_name, base_name);
+    __Pyx_DECREF_TypeName(tp_base_name);
+    __Pyx_DECREF_TypeName(base_name);
+    free(base_vtables);
+    return -1;
+}
 #endif
+
+/* SetupReduce */
+#if !CYTHON_COMPILING_IN_LIMITED_API
+static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
+  int ret;
+  PyObject *name_attr;
+  name_attr = __Pyx_PyObject_GetAttrStrNoError(meth, __pyx_n_s_name_2);
+  if (likely(name_attr)) {
+      ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
+  } else {
+      ret = -1;
+  }
+  if (unlikely(ret < 0)) {
+      PyErr_Clear();
+      ret = 0;
+  }
+  Py_XDECREF(name_attr);
+  return ret;
 }
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
-                                                              CYTHON_NCP_UNUSED int wraparound,
-                                                              CYTHON_NCP_UNUSED int boundscheck) {
-#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-    Py_ssize_t wrapped_i = i;
-    if (wraparound & unlikely(i < 0)) {
-        wrapped_i += PyTuple_GET_SIZE(o);
-    }
-    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) {
-        PyObject *r = PyTuple_GET_ITEM(o, wrapped_i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+static int __Pyx_setup_reduce(PyObject* type_obj) {
+    int ret = 0;
+    PyObject *object_reduce = NULL;
+    PyObject *object_getstate = NULL;
+    PyObject *object_reduce_ex = NULL;
+    PyObject *reduce = NULL;
+    PyObject *reduce_ex = NULL;
+    PyObject *reduce_cython = NULL;
+    PyObject *setstate = NULL;
+    PyObject *setstate_cython = NULL;
+    PyObject *getstate = NULL;
+#if CYTHON_USE_PYTYPE_LOOKUP
+    getstate = _PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate);
 #else
-    return PySequence_GetItem(o, i);
+    getstate = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_getstate);
+    if (!getstate && PyErr_Occurred()) {
+        goto __PYX_BAD;
+    }
 #endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
-                                                     CYTHON_NCP_UNUSED int wraparound,
-                                                     CYTHON_NCP_UNUSED int boundscheck) {
-#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
-    if (is_list || PyList_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
-        if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) {
-            PyObject *r = PyList_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
+    if (getstate) {
+#if CYTHON_USE_PYTYPE_LOOKUP
+        object_getstate = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_getstate);
+#else
+        object_getstate = __Pyx_PyObject_GetAttrStrNoError((PyObject*)&PyBaseObject_Type, __pyx_n_s_getstate);
+        if (!object_getstate && PyErr_Occurred()) {
+            goto __PYX_BAD;
         }
-    }
-    else if (PyTuple_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
-        if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
+#endif
+        if (object_getstate != getstate) {
+            goto __PYX_GOOD;
         }
-    } else {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_item)) {
-            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-                Py_ssize_t l = m->sq_length(o);
-                if (likely(l >= 0)) {
-                    i += l;
-                } else {
-                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
-                        return NULL;
-                    PyErr_Clear();
+    }
+#if CYTHON_USE_PYTYPE_LOOKUP
+    object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+#else
+    object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+#endif
+    reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD;
+    if (reduce_ex == object_reduce_ex) {
+#if CYTHON_USE_PYTYPE_LOOKUP
+        object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
+#else
+        object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
+#endif
+        reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD;
+        if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) {
+            reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython);
+            if (likely(reduce_cython)) {
+                ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+            } else if (reduce == object_reduce || PyErr_Occurred()) {
+                goto __PYX_BAD;
+            }
+            setstate = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate);
+            if (!setstate) PyErr_Clear();
+            if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) {
+                setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython);
+                if (likely(setstate_cython)) {
+                    ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                    ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                } else if (!setstate || PyErr_Occurred()) {
+                    goto __PYX_BAD;
                 }
             }
-            return m->sq_item(o, i);
+            PyType_Modified((PyTypeObject*)type_obj);
         }
     }
-#else
-    if (is_list || PySequence_Check(o)) {
-        return PySequence_GetItem(o, i);
+    goto __PYX_GOOD;
+__PYX_BAD:
+    if (!PyErr_Occurred()) {
+        __Pyx_TypeName type_obj_name =
+            __Pyx_PyType_GetName((PyTypeObject*)type_obj);
+        PyErr_Format(PyExc_RuntimeError,
+            "Unable to initialize pickling for " __Pyx_FMT_TYPENAME, type_obj_name);
+        __Pyx_DECREF_TypeName(type_obj_name);
     }
+    ret = -1;
+__PYX_GOOD:
+#if !CYTHON_USE_PYTYPE_LOOKUP
+    Py_XDECREF(object_reduce);
+    Py_XDECREF(object_reduce_ex);
+    Py_XDECREF(object_getstate);
+    Py_XDECREF(getstate);
 #endif
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+    Py_XDECREF(reduce);
+    Py_XDECREF(reduce_ex);
+    Py_XDECREF(reduce_cython);
+    Py_XDECREF(setstate);
+    Py_XDECREF(setstate_cython);
+    return ret;
 }
+#endif
 
-/* ObjectGetItem */
-#if CYTHON_USE_TYPE_SLOTS
-static PyObject *__Pyx_PyObject_GetIndex(PyObject *obj, PyObject* index) {
-    PyObject *runerr;
-    Py_ssize_t key_value;
-    PySequenceMethods *m = Py_TYPE(obj)->tp_as_sequence;
-    if (unlikely(!(m && m->sq_item))) {
-        PyErr_Format(PyExc_TypeError, "'%.200s' object is not subscriptable", Py_TYPE(obj)->tp_name);
-        return NULL;
-    }
-    key_value = __Pyx_PyIndex_AsSsize_t(index);
-    if (likely(key_value != -1 || !(runerr = PyErr_Occurred()))) {
-        return __Pyx_GetItemInt_Fast(obj, key_value, 0, 1, 1);
-    }
-    if (PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) {
-        PyErr_Clear();
-        PyErr_Format(PyExc_IndexError, "cannot fit '%.200s' into an index-sized integer", Py_TYPE(index)->tp_name);
-    }
-    return NULL;
+/* FetchSharedCythonModule */
+static PyObject *__Pyx_FetchSharedCythonABIModule(void) {
+    return __Pyx_PyImport_AddModuleRef((char*) __PYX_ABI_MODULE_NAME);
 }
-static PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key) {
-    PyMappingMethods *m = Py_TYPE(obj)->tp_as_mapping;
-    if (likely(m && m->mp_subscript)) {
-        return m->mp_subscript(obj, key);
+
+/* FetchCommonType */
+static int __Pyx_VerifyCachedType(PyObject *cached_type,
+                               const char *name,
+                               Py_ssize_t basicsize,
+                               Py_ssize_t expected_basicsize) {
+    if (!PyType_Check(cached_type)) {
+        PyErr_Format(PyExc_TypeError,
+            "Shared Cython type %.200s is not a type object", name);
+        return -1;
     }
-    return __Pyx_PyObject_GetIndex(obj, key);
+    if (basicsize != expected_basicsize) {
+        PyErr_Format(PyExc_TypeError,
+            "Shared Cython type %.200s has the wrong size, try recompiling",
+            name);
+        return -1;
+    }
+    return 0;
 }
-#endif
-
-/* decode_c_string */
-static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
-         const char* cstring, Py_ssize_t start, Py_ssize_t stop,
-         const char* encoding, const char* errors,
-         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) {
-    Py_ssize_t length;
-    if (unlikely((start < 0) | (stop < 0))) {
-        size_t slen = strlen(cstring);
-        if (unlikely(slen > (size_t) PY_SSIZE_T_MAX)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "c-string too long to convert to Python");
-            return NULL;
-        }
-        length = (Py_ssize_t) slen;
-        if (start < 0) {
-            start += length;
-            if (start < 0)
-                start = 0;
+#if !CYTHON_USE_TYPE_SPECS
+static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
+    PyObject* abi_module;
+    const char* object_name;
+    PyTypeObject *cached_type = NULL;
+    abi_module = __Pyx_FetchSharedCythonABIModule();
+    if (!abi_module) return NULL;
+    object_name = strrchr(type->tp_name, '.');
+    object_name = object_name ? object_name+1 : type->tp_name;
+    cached_type = (PyTypeObject*) PyObject_GetAttrString(abi_module, object_name);
+    if (cached_type) {
+        if (__Pyx_VerifyCachedType(
+              (PyObject *)cached_type,
+              object_name,
+              cached_type->tp_basicsize,
+              type->tp_basicsize) < 0) {
+            goto bad;
         }
-        if (stop < 0)
-            stop += length;
-    }
-    if (unlikely(stop <= start))
-        return __Pyx_NewRef(__pyx_empty_unicode);
-    length = stop - start;
-    cstring += start;
-    if (decode_func) {
-        return decode_func(cstring, length, errors);
-    } else {
-        return PyUnicode_Decode(cstring, length, encoding, errors);
+        goto done;
     }
+    if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
+    PyErr_Clear();
+    if (PyType_Ready(type) < 0) goto bad;
+    if (PyObject_SetAttrString(abi_module, object_name, (PyObject *)type) < 0)
+        goto bad;
+    Py_INCREF(type);
+    cached_type = type;
+done:
+    Py_DECREF(abi_module);
+    return cached_type;
+bad:
+    Py_XDECREF(cached_type);
+    cached_type = NULL;
+    goto done;
 }
-
-/* PyErrExceptionMatches */
-#if CYTHON_FAST_THREAD_STATE
-static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
-    Py_ssize_t i, n;
-    n = PyTuple_GET_SIZE(tuple);
-#if PY_MAJOR_VERSION >= 3
-    for (i=0; i<n; i++) {
-        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
-    }
+#else
+static PyTypeObject *__Pyx_FetchCommonTypeFromSpec(PyObject *module, PyType_Spec *spec, PyObject *bases) {
+    PyObject *abi_module, *cached_type = NULL;
+    const char* object_name = strrchr(spec->name, '.');
+    object_name = object_name ? object_name+1 : spec->name;
+    abi_module = __Pyx_FetchSharedCythonABIModule();
+    if (!abi_module) return NULL;
+    cached_type = PyObject_GetAttrString(abi_module, object_name);
+    if (cached_type) {
+        Py_ssize_t basicsize;
+#if CYTHON_COMPILING_IN_LIMITED_API
+        PyObject *py_basicsize;
+        py_basicsize = PyObject_GetAttrString(cached_type, "__basicsize__");
+        if (unlikely(!py_basicsize)) goto bad;
+        basicsize = PyLong_AsSsize_t(py_basicsize);
+        Py_DECREF(py_basicsize);
+        py_basicsize = 0;
+        if (unlikely(basicsize == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
+#else
+        basicsize = likely(PyType_Check(cached_type)) ? ((PyTypeObject*) cached_type)->tp_basicsize : -1;
 #endif
-    for (i=0; i<n; i++) {
-        if (__Pyx_PyErr_GivenExceptionMatches(exc_type, PyTuple_GET_ITEM(tuple, i))) return 1;
+        if (__Pyx_VerifyCachedType(
+              cached_type,
+              object_name,
+              basicsize,
+              spec->basicsize) < 0) {
+            goto bad;
+        }
+        goto done;
     }
-    return 0;
-}
-static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err) {
-    PyObject *exc_type = tstate->curexc_type;
-    if (exc_type == err) return 1;
-    if (unlikely(!exc_type)) return 0;
-    if (unlikely(PyTuple_Check(err)))
-        return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err);
-    return __Pyx_PyErr_GivenExceptionMatches(exc_type, err);
+    if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
+    PyErr_Clear();
+    CYTHON_UNUSED_VAR(module);
+    cached_type = __Pyx_PyType_FromModuleAndSpec(abi_module, spec, bases);
+    if (unlikely(!cached_type)) goto bad;
+    if (unlikely(__Pyx_fix_up_extension_type_from_spec(spec, (PyTypeObject *) cached_type) < 0)) goto bad;
+    if (PyObject_SetAttrString(abi_module, object_name, cached_type) < 0) goto bad;
+done:
+    Py_DECREF(abi_module);
+    assert(cached_type == NULL || PyType_Check(cached_type));
+    return (PyTypeObject *) cached_type;
+bad:
+    Py_XDECREF(cached_type);
+    cached_type = NULL;
+    goto done;
 }
 #endif
 
-/* GetAttr3 */
-static PyObject *__Pyx_GetAttr3Default(PyObject *d) {
-    __Pyx_PyThreadState_declare
-    __Pyx_PyThreadState_assign
-    if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
+/* PyVectorcallFastCallDict */
+#if CYTHON_METH_FASTCALL
+static PyObject *__Pyx_PyVectorcall_FastCallDict_kw(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
+{
+    PyObject *res = NULL;
+    PyObject *kwnames;
+    PyObject **newargs;
+    PyObject **kwvalues;
+    Py_ssize_t i, pos;
+    size_t j;
+    PyObject *key, *value;
+    unsigned long keys_are_strings;
+    Py_ssize_t nkw = PyDict_GET_SIZE(kw);
+    newargs = (PyObject **)PyMem_Malloc((nargs + (size_t)nkw) * sizeof(args[0]));
+    if (unlikely(newargs == NULL)) {
+        PyErr_NoMemory();
         return NULL;
-    __Pyx_PyErr_Clear();
-    Py_INCREF(d);
-    return d;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) {
-    PyObject *r = __Pyx_GetAttr(o, n);
-    return (likely(r)) ? r : __Pyx_GetAttr3Default(d);
-}
-
-/* RaiseTooManyValuesToUnpack */
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
-    PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
-}
-
-/* RaiseNeedMoreValuesToUnpack */
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
-    PyErr_Format(PyExc_ValueError,
-                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
-                 index, (index == 1) ? "" : "s");
-}
-
-/* RaiseNoneIterError */
-static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
-    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
-}
-
-/* ExtTypeTest */
-static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
-    if (unlikely(!type)) {
-        PyErr_SetString(PyExc_SystemError, "Missing type object");
-        return 0;
     }
-    if (likely(__Pyx_TypeCheck(obj, type)))
-        return 1;
-    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
-                 Py_TYPE(obj)->tp_name, type->tp_name);
-    return 0;
+    for (j = 0; j < nargs; j++) newargs[j] = args[j];
+    kwnames = PyTuple_New(nkw);
+    if (unlikely(kwnames == NULL)) {
+        PyMem_Free(newargs);
+        return NULL;
+    }
+    kwvalues = newargs + nargs;
+    pos = i = 0;
+    keys_are_strings = Py_TPFLAGS_UNICODE_SUBCLASS;
+    while (PyDict_Next(kw, &pos, &key, &value)) {
+        keys_are_strings &= Py_TYPE(key)->tp_flags;
+        Py_INCREF(key);
+        Py_INCREF(value);
+        PyTuple_SET_ITEM(kwnames, i, key);
+        kwvalues[i] = value;
+        i++;
+    }
+    if (unlikely(!keys_are_strings)) {
+        PyErr_SetString(PyExc_TypeError, "keywords must be strings");
+        goto cleanup;
+    }
+    res = vc(func, newargs, nargs, kwnames);
+cleanup:
+    Py_DECREF(kwnames);
+    for (i = 0; i < nkw; i++)
+        Py_DECREF(kwvalues[i]);
+    PyMem_Free(newargs);
+    return res;
 }
-
-/* GetTopmostException */
-#if CYTHON_USE_EXC_INFO_STACK
-static _PyErr_StackItem *
-__Pyx_PyErr_GetTopmostException(PyThreadState *tstate)
+static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
 {
-    _PyErr_StackItem *exc_info = tstate->exc_info;
-    while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) &&
-           exc_info->previous_item != NULL)
-    {
-        exc_info = exc_info->previous_item;
+    if (likely(kw == NULL) || PyDict_GET_SIZE(kw) == 0) {
+        return vc(func, args, nargs, NULL);
     }
-    return exc_info;
+    return __Pyx_PyVectorcall_FastCallDict_kw(func, vc, args, nargs, kw);
 }
 #endif
 
-/* SaveResetException */
-#if CYTHON_FAST_THREAD_STATE
-static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    #if CYTHON_USE_EXC_INFO_STACK
-    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
-    *type = exc_info->exc_type;
-    *value = exc_info->exc_value;
-    *tb = exc_info->exc_traceback;
-    #else
-    *type = tstate->exc_type;
-    *value = tstate->exc_value;
-    *tb = tstate->exc_traceback;
-    #endif
-    Py_XINCREF(*type);
-    Py_XINCREF(*value);
-    Py_XINCREF(*tb);
+/* CythonFunctionShared */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void *cfunc) {
+    if (__Pyx_CyFunction_Check(func)) {
+        return PyCFunction_GetFunction(((__pyx_CyFunctionObject*)func)->func) == (PyCFunction) cfunc;
+    } else if (PyCFunction_Check(func)) {
+        return PyCFunction_GetFunction(func) == (PyCFunction) cfunc;
+    }
+    return 0;
 }
-static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    #if CYTHON_USE_EXC_INFO_STACK
-    _PyErr_StackItem *exc_info = tstate->exc_info;
-    tmp_type = exc_info->exc_type;
-    tmp_value = exc_info->exc_value;
-    tmp_tb = exc_info->exc_traceback;
-    exc_info->exc_type = type;
-    exc_info->exc_value = value;
-    exc_info->exc_traceback = tb;
-    #else
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = type;
-    tstate->exc_value = value;
-    tstate->exc_traceback = tb;
-    #endif
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
+#else
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void *cfunc) {
+    return __Pyx_CyOrPyCFunction_Check(func) && __Pyx_CyOrPyCFunction_GET_FUNCTION(func) == (PyCFunction) cfunc;
 }
 #endif
-
-/* GetException */
-#if CYTHON_FAST_THREAD_STATE
-static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb)
+static CYTHON_INLINE void __Pyx__CyFunction_SetClassObj(__pyx_CyFunctionObject* f, PyObject* classobj) {
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    __Pyx_Py_XDECREF_SET(
+        __Pyx_CyFunction_GetClassObj(f),
+            ((classobj) ? __Pyx_NewRef(classobj) : NULL));
 #else
-static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
+    __Pyx_Py_XDECREF_SET(
+        ((PyCMethodObject *) (f))->mm_class,
+        (PyTypeObject*)((classobj) ? __Pyx_NewRef(classobj) : NULL));
 #endif
+}
+static PyObject *
+__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, void *closure)
 {
-    PyObject *local_type, *local_value, *local_tb;
-#if CYTHON_FAST_THREAD_STATE
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    local_type = tstate->curexc_type;
-    local_value = tstate->curexc_value;
-    local_tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
+    CYTHON_UNUSED_VAR(closure);
+    if (unlikely(op->func_doc == NULL)) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+        op->func_doc = PyObject_GetAttrString(op->func, "__doc__");
+        if (unlikely(!op->func_doc)) return NULL;
 #else
-    PyErr_Fetch(&local_type, &local_value, &local_tb);
-#endif
-    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
-#if CYTHON_FAST_THREAD_STATE
-    if (unlikely(tstate->curexc_type))
+        if (((PyCFunctionObject*)op)->m_ml->ml_doc) {
+#if PY_MAJOR_VERSION >= 3
+            op->func_doc = PyUnicode_FromString(((PyCFunctionObject*)op)->m_ml->ml_doc);
 #else
-    if (unlikely(PyErr_Occurred()))
+            op->func_doc = PyString_FromString(((PyCFunctionObject*)op)->m_ml->ml_doc);
+#endif
+            if (unlikely(op->func_doc == NULL))
+                return NULL;
+        } else {
+            Py_INCREF(Py_None);
+            return Py_None;
+        }
 #endif
-        goto bad;
-    #if PY_MAJOR_VERSION >= 3
-    if (local_tb) {
-        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
-            goto bad;
     }
-    #endif
-    Py_XINCREF(local_tb);
-    Py_XINCREF(local_type);
-    Py_XINCREF(local_value);
-    *type = local_type;
-    *value = local_value;
-    *tb = local_tb;
-#if CYTHON_FAST_THREAD_STATE
-    #if CYTHON_USE_EXC_INFO_STACK
-    {
-        _PyErr_StackItem *exc_info = tstate->exc_info;
-        tmp_type = exc_info->exc_type;
-        tmp_value = exc_info->exc_value;
-        tmp_tb = exc_info->exc_traceback;
-        exc_info->exc_type = local_type;
-        exc_info->exc_value = local_value;
-        exc_info->exc_traceback = local_tb;
+    Py_INCREF(op->func_doc);
+    return op->func_doc;
+}
+static int
+__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (value == NULL) {
+        value = Py_None;
+    }
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_doc, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(op->func_name == NULL)) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+        op->func_name = PyObject_GetAttrString(op->func, "__name__");
+#elif PY_MAJOR_VERSION >= 3
+        op->func_name = PyUnicode_InternFromString(((PyCFunctionObject*)op)->m_ml->ml_name);
+#else
+        op->func_name = PyString_InternFromString(((PyCFunctionObject*)op)->m_ml->ml_name);
+#endif
+        if (unlikely(op->func_name == NULL))
+            return NULL;
     }
-    #else
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = local_type;
-    tstate->exc_value = local_value;
-    tstate->exc_traceback = local_tb;
-    #endif
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
+    Py_INCREF(op->func_name);
+    return op->func_name;
+}
+static int
+__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+#if PY_MAJOR_VERSION >= 3
+    if (unlikely(value == NULL || !PyUnicode_Check(value)))
 #else
-    PyErr_SetExcInfo(local_type, local_value, local_tb);
+    if (unlikely(value == NULL || !PyString_Check(value)))
 #endif
+    {
+        PyErr_SetString(PyExc_TypeError,
+                        "__name__ must be set to a string object");
+        return -1;
+    }
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_name, value);
     return 0;
-bad:
-    *type = 0;
-    *value = 0;
-    *tb = 0;
-    Py_XDECREF(local_type);
-    Py_XDECREF(local_value);
-    Py_XDECREF(local_tb);
-    return -1;
 }
-
-/* SwapException */
-#if CYTHON_FAST_THREAD_STATE
-static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    #if CYTHON_USE_EXC_INFO_STACK
-    _PyErr_StackItem *exc_info = tstate->exc_info;
-    tmp_type = exc_info->exc_type;
-    tmp_value = exc_info->exc_value;
-    tmp_tb = exc_info->exc_traceback;
-    exc_info->exc_type = *type;
-    exc_info->exc_value = *value;
-    exc_info->exc_traceback = *tb;
-    #else
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = *type;
-    tstate->exc_value = *value;
-    tstate->exc_traceback = *tb;
-    #endif
-    *type = tmp_type;
-    *value = tmp_value;
-    *tb = tmp_tb;
+static PyObject *
+__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(op->func_qualname);
+    return op->func_qualname;
 }
+static int
+__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+#if PY_MAJOR_VERSION >= 3
+    if (unlikely(value == NULL || !PyUnicode_Check(value)))
 #else
-static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
-    PyErr_SetExcInfo(*type, *value, *tb);
-    *type = tmp_type;
-    *value = tmp_value;
-    *tb = tmp_tb;
-}
+    if (unlikely(value == NULL || !PyString_Check(value)))
 #endif
-
-/* Import */
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
-    PyObject *empty_list = 0;
-    PyObject *module = 0;
-    PyObject *global_dict = 0;
-    PyObject *empty_dict = 0;
-    PyObject *list;
-    #if PY_MAJOR_VERSION < 3
-    PyObject *py_import;
-    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
-    if (!py_import)
-        goto bad;
-    #endif
-    if (from_list)
-        list = from_list;
+    {
+        PyErr_SetString(PyExc_TypeError,
+                        "__qualname__ must be set to a string object");
+        return -1;
+    }
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_qualname, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(op->func_dict == NULL)) {
+        op->func_dict = PyDict_New();
+        if (unlikely(op->func_dict == NULL))
+            return NULL;
+    }
+    Py_INCREF(op->func_dict);
+    return op->func_dict;
+}
+static int
+__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(value == NULL)) {
+        PyErr_SetString(PyExc_TypeError,
+               "function's dictionary may not be deleted");
+        return -1;
+    }
+    if (unlikely(!PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+               "setting function's dictionary to a non-dict");
+        return -1;
+    }
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_dict, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(op->func_globals);
+    return op->func_globals;
+}
+static PyObject *
+__Pyx_CyFunction_get_closure(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(op);
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(Py_None);
+    return Py_None;
+}
+static PyObject *
+__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op, void *context)
+{
+    PyObject* result = (op->func_code) ? op->func_code : Py_None;
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(result);
+    return result;
+}
+static int
+__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
+    int result = 0;
+    PyObject *res = op->defaults_getter((PyObject *) op);
+    if (unlikely(!res))
+        return -1;
+    #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
+    Py_INCREF(op->defaults_tuple);
+    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
+    Py_INCREF(op->defaults_kwdict);
+    #else
+    op->defaults_tuple = __Pyx_PySequence_ITEM(res, 0);
+    if (unlikely(!op->defaults_tuple)) result = -1;
     else {
-        empty_list = PyList_New(0);
-        if (!empty_list)
-            goto bad;
-        list = empty_list;
+        op->defaults_kwdict = __Pyx_PySequence_ITEM(res, 1);
+        if (unlikely(!op->defaults_kwdict)) result = -1;
     }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
-    empty_dict = PyDict_New();
-    if (!empty_dict)
-        goto bad;
-    {
-        #if PY_MAJOR_VERSION >= 3
-        if (level == -1) {
-            if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) {
-                module = PyImport_ImportModuleLevelObject(
-                    name, global_dict, empty_dict, list, 1);
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
-                        goto bad;
-                    PyErr_Clear();
-                }
-            }
-            level = 0;
-        }
-        #endif
-        if (!module) {
-            #if PY_MAJOR_VERSION < 3
-            PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
-                goto bad;
-            module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, (PyObject *)NULL);
-            Py_DECREF(py_level);
-            #else
-            module = PyImport_ImportModuleLevelObject(
-                name, global_dict, empty_dict, list, level);
-            #endif
+    #endif
+    Py_DECREF(res);
+    return result;
+}
+static int
+__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value) {
+        value = Py_None;
+    } else if (unlikely(value != Py_None && !PyTuple_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__defaults__ must be set to a tuple object");
+        return -1;
+    }
+    PyErr_WarnEx(PyExc_RuntimeWarning, "changes to cyfunction.__defaults__ will not "
+                 "currently affect the values used in function calls", 1);
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->defaults_tuple, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result = op->defaults_tuple;
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(!result)) {
+        if (op->defaults_getter) {
+            if (unlikely(__Pyx_CyFunction_init_defaults(op) < 0)) return NULL;
+            result = op->defaults_tuple;
+        } else {
+            result = Py_None;
         }
     }
-bad:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(py_import);
-    #endif
-    Py_XDECREF(empty_list);
-    Py_XDECREF(empty_dict);
-    return module;
+    Py_INCREF(result);
+    return result;
 }
-
-/* FastTypeChecks */
-#if CYTHON_COMPILING_IN_CPYTHON
-static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
-    while (a) {
-        a = a->tp_base;
-        if (a == b)
-            return 1;
+static int
+__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value) {
+        value = Py_None;
+    } else if (unlikely(value != Py_None && !PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__kwdefaults__ must be set to a dict object");
+        return -1;
     }
-    return b == &PyBaseObject_Type;
+    PyErr_WarnEx(PyExc_RuntimeWarning, "changes to cyfunction.__kwdefaults__ will not "
+                 "currently affect the values used in function calls", 1);
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->defaults_kwdict, value);
+    return 0;
 }
-static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
-    PyObject *mro;
-    if (a == b) return 1;
-    mro = a->tp_mro;
-    if (likely(mro)) {
-        Py_ssize_t i, n;
-        n = PyTuple_GET_SIZE(mro);
-        for (i = 0; i < n; i++) {
-            if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
-                return 1;
+static PyObject *
+__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result = op->defaults_kwdict;
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(!result)) {
+        if (op->defaults_getter) {
+            if (unlikely(__Pyx_CyFunction_init_defaults(op) < 0)) return NULL;
+            result = op->defaults_kwdict;
+        } else {
+            result = Py_None;
         }
-        return 0;
     }
-    return __Pyx_InBases(a, b);
+    Py_INCREF(result);
+    return result;
 }
-#if PY_MAJOR_VERSION == 2
-static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) {
-    PyObject *exception, *value, *tb;
-    int res;
-    __Pyx_PyThreadState_declare
-    __Pyx_PyThreadState_assign
-    __Pyx_ErrFetch(&exception, &value, &tb);
-    res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0;
-    if (unlikely(res == -1)) {
-        PyErr_WriteUnraisable(err);
-        res = 0;
+static int
+__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value || value == Py_None) {
+        value = NULL;
+    } else if (unlikely(!PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__annotations__ must be set to a dict object");
+        return -1;
     }
-    if (!res) {
-        res = PyObject_IsSubclass(err, exc_type2);
-        if (unlikely(res == -1)) {
-            PyErr_WriteUnraisable(err);
-            res = 0;
+    Py_XINCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_annotations, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result = op->func_annotations;
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(!result)) {
+        result = PyDict_New();
+        if (unlikely(!result)) return NULL;
+        op->func_annotations = result;
+    }
+    Py_INCREF(result);
+    return result;
+}
+static PyObject *
+__Pyx_CyFunction_get_is_coroutine(__pyx_CyFunctionObject *op, void *context) {
+    int is_coroutine;
+    CYTHON_UNUSED_VAR(context);
+    if (op->func_is_coroutine) {
+        return __Pyx_NewRef(op->func_is_coroutine);
+    }
+    is_coroutine = op->flags & __Pyx_CYFUNCTION_COROUTINE;
+#if PY_VERSION_HEX >= 0x03050000
+    if (is_coroutine) {
+        PyObject *module, *fromlist, *marker = __pyx_n_s_is_coroutine;
+        fromlist = PyList_New(1);
+        if (unlikely(!fromlist)) return NULL;
+        Py_INCREF(marker);
+#if CYTHON_ASSUME_SAFE_MACROS
+        PyList_SET_ITEM(fromlist, 0, marker);
+#else
+        if (unlikely(PyList_SetItem(fromlist, 0, marker) < 0)) {
+            Py_DECREF(marker);
+            Py_DECREF(fromlist);
+            return NULL;
+        }
+#endif
+        module = PyImport_ImportModuleLevelObject(__pyx_n_s_asyncio_coroutines, NULL, NULL, fromlist, 0);
+        Py_DECREF(fromlist);
+        if (unlikely(!module)) goto ignore;
+        op->func_is_coroutine = __Pyx_PyObject_GetAttrStr(module, marker);
+        Py_DECREF(module);
+        if (likely(op->func_is_coroutine)) {
+            return __Pyx_NewRef(op->func_is_coroutine);
         }
+ignore:
+        PyErr_Clear();
+    }
+#endif
+    op->func_is_coroutine = __Pyx_PyBool_FromLong(is_coroutine);
+    return __Pyx_NewRef(op->func_is_coroutine);
+}
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *
+__Pyx_CyFunction_get_module(__pyx_CyFunctionObject *op, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    return PyObject_GetAttrString(op->func, "__module__");
+}
+static int
+__Pyx_CyFunction_set_module(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    return PyObject_SetAttrString(op->func, "__module__", value);
+}
+#endif
+static PyGetSetDef __pyx_CyFunction_getsets[] = {
+    {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
+    {(char *) "__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
+    {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
+    {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
+    {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
+    {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
+    {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
+    {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
+    {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
+    {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
+    {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
+    {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
+    {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
+    {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
+    {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
+    {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
+    {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
+    {(char *) "_is_coroutine", (getter)__Pyx_CyFunction_get_is_coroutine, 0, 0, 0},
+#if CYTHON_COMPILING_IN_LIMITED_API
+    {"__module__", (getter)__Pyx_CyFunction_get_module, (setter)__Pyx_CyFunction_set_module, 0, 0},
+#endif
+    {0, 0, 0, 0, 0}
+};
+static PyMemberDef __pyx_CyFunction_members[] = {
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    {(char *) "__module__", T_OBJECT, offsetof(PyCFunctionObject, m_module), 0, 0},
+#endif
+#if CYTHON_USE_TYPE_SPECS
+    {(char *) "__dictoffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_dict), READONLY, 0},
+#if CYTHON_METH_FASTCALL
+#if CYTHON_BACKPORT_VECTORCALL
+    {(char *) "__vectorcalloffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_vectorcall), READONLY, 0},
+#else
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    {(char *) "__vectorcalloffset__", T_PYSSIZET, offsetof(PyCFunctionObject, vectorcall), READONLY, 0},
+#endif
+#endif
+#endif
+#if PY_VERSION_HEX < 0x030500A0 || CYTHON_COMPILING_IN_LIMITED_API
+    {(char *) "__weaklistoffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_weakreflist), READONLY, 0},
+#else
+    {(char *) "__weaklistoffset__", T_PYSSIZET, offsetof(PyCFunctionObject, m_weakreflist), READONLY, 0},
+#endif
+#endif
+    {0, 0, 0,  0, 0}
+};
+static PyObject *
+__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, PyObject *args)
+{
+    CYTHON_UNUSED_VAR(args);
+#if PY_MAJOR_VERSION >= 3
+    Py_INCREF(m->func_qualname);
+    return m->func_qualname;
+#else
+    return PyString_FromString(((PyCFunctionObject*)m)->m_ml->ml_name);
+#endif
+}
+static PyMethodDef __pyx_CyFunction_methods[] = {
+    {"__reduce__", (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
+    {0, 0, 0, 0}
+};
+#if PY_VERSION_HEX < 0x030500A0 || CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func_weakreflist)
+#else
+#define __Pyx_CyFunction_weakreflist(cyfunc) (((PyCFunctionObject*)cyfunc)->m_weakreflist)
+#endif
+static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject *op, PyMethodDef *ml, int flags, PyObject* qualname,
+                                       PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunctionObject *cf = (PyCFunctionObject*) op;
+#endif
+    if (unlikely(op == NULL))
+        return NULL;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    op->func = PyCFunction_NewEx(ml, (PyObject*)op, module);
+    if (unlikely(!op->func)) return NULL;
+#endif
+    op->flags = flags;
+    __Pyx_CyFunction_weakreflist(op) = NULL;
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    cf->m_ml = ml;
+    cf->m_self = (PyObject *) op;
+#endif
+    Py_XINCREF(closure);
+    op->func_closure = closure;
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    Py_XINCREF(module);
+    cf->m_module = module;
+#endif
+    op->func_dict = NULL;
+    op->func_name = NULL;
+    Py_INCREF(qualname);
+    op->func_qualname = qualname;
+    op->func_doc = NULL;
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    op->func_classobj = NULL;
+#else
+    ((PyCMethodObject*)op)->mm_class = NULL;
+#endif
+    op->func_globals = globals;
+    Py_INCREF(op->func_globals);
+    Py_XINCREF(code);
+    op->func_code = code;
+    op->defaults_pyobjects = 0;
+    op->defaults_size = 0;
+    op->defaults = NULL;
+    op->defaults_tuple = NULL;
+    op->defaults_kwdict = NULL;
+    op->defaults_getter = NULL;
+    op->func_annotations = NULL;
+    op->func_is_coroutine = NULL;
+#if CYTHON_METH_FASTCALL
+    switch (ml->ml_flags & (METH_VARARGS | METH_FASTCALL | METH_NOARGS | METH_O | METH_KEYWORDS | METH_METHOD)) {
+    case METH_NOARGS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_NOARGS;
+        break;
+    case METH_O:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_O;
+        break;
+    case METH_METHOD | METH_FASTCALL | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD;
+        break;
+    case METH_FASTCALL | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS;
+        break;
+    case METH_VARARGS | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = NULL;
+        break;
+    default:
+        PyErr_SetString(PyExc_SystemError, "Bad call flags for CyFunction");
+        Py_DECREF(op);
+        return NULL;
     }
-    __Pyx_ErrRestore(exception, value, tb);
-    return res;
+#endif
+    return (PyObject *) op;
 }
+static int
+__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
+{
+    Py_CLEAR(m->func_closure);
+#if CYTHON_COMPILING_IN_LIMITED_API
+    Py_CLEAR(m->func);
 #else
-static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
-    int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0;
-    if (!res) {
-        res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
+    Py_CLEAR(((PyCFunctionObject*)m)->m_module);
+#endif
+    Py_CLEAR(m->func_dict);
+    Py_CLEAR(m->func_name);
+    Py_CLEAR(m->func_qualname);
+    Py_CLEAR(m->func_doc);
+    Py_CLEAR(m->func_globals);
+    Py_CLEAR(m->func_code);
+#if !CYTHON_COMPILING_IN_LIMITED_API
+#if PY_VERSION_HEX < 0x030900B1
+    Py_CLEAR(__Pyx_CyFunction_GetClassObj(m));
+#else
+    {
+        PyObject *cls = (PyObject*) ((PyCMethodObject *) (m))->mm_class;
+        ((PyCMethodObject *) (m))->mm_class = NULL;
+        Py_XDECREF(cls);
     }
-    return res;
-}
 #endif
-static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
-    Py_ssize_t i, n;
-    assert(PyExceptionClass_Check(exc_type));
-    n = PyTuple_GET_SIZE(tuple);
-#if PY_MAJOR_VERSION >= 3
-    for (i=0; i<n; i++) {
-        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
-    }
 #endif
-    for (i=0; i<n; i++) {
-        PyObject *t = PyTuple_GET_ITEM(tuple, i);
-        #if PY_MAJOR_VERSION < 3
-        if (likely(exc_type == t)) return 1;
-        #endif
-        if (likely(PyExceptionClass_Check(t))) {
-            if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
-        } else {
-        }
+    Py_CLEAR(m->defaults_tuple);
+    Py_CLEAR(m->defaults_kwdict);
+    Py_CLEAR(m->func_annotations);
+    Py_CLEAR(m->func_is_coroutine);
+    if (m->defaults) {
+        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
+        int i;
+        for (i = 0; i < m->defaults_pyobjects; i++)
+            Py_XDECREF(pydefaults[i]);
+        PyObject_Free(m->defaults);
+        m->defaults = NULL;
     }
     return 0;
 }
-static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
-    if (likely(err == exc_type)) return 1;
-    if (likely(PyExceptionClass_Check(err))) {
-        if (likely(PyExceptionClass_Check(exc_type))) {
-            return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
-        } else if (likely(PyTuple_Check(exc_type))) {
-            return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
-        } else {
-        }
-    }
-    return PyErr_GivenExceptionMatches(err, exc_type);
+static void __Pyx__CyFunction_dealloc(__pyx_CyFunctionObject *m)
+{
+    if (__Pyx_CyFunction_weakreflist(m) != NULL)
+        PyObject_ClearWeakRefs((PyObject *) m);
+    __Pyx_CyFunction_clear(m);
+    __Pyx_PyHeapTypeObject_GC_Del(m);
 }
-static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
-    assert(PyExceptionClass_Check(exc_type1));
-    assert(PyExceptionClass_Check(exc_type2));
-    if (likely(err == exc_type1 || err == exc_type2)) return 1;
-    if (likely(PyExceptionClass_Check(err))) {
-        return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
+static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
+{
+    PyObject_GC_UnTrack(m);
+    __Pyx__CyFunction_dealloc(m);
+}
+static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
+{
+    Py_VISIT(m->func_closure);
+#if CYTHON_COMPILING_IN_LIMITED_API
+    Py_VISIT(m->func);
+#else
+    Py_VISIT(((PyCFunctionObject*)m)->m_module);
+#endif
+    Py_VISIT(m->func_dict);
+    Py_VISIT(m->func_name);
+    Py_VISIT(m->func_qualname);
+    Py_VISIT(m->func_doc);
+    Py_VISIT(m->func_globals);
+    Py_VISIT(m->func_code);
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    Py_VISIT(__Pyx_CyFunction_GetClassObj(m));
+#endif
+    Py_VISIT(m->defaults_tuple);
+    Py_VISIT(m->defaults_kwdict);
+    Py_VISIT(m->func_is_coroutine);
+    if (m->defaults) {
+        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
+        int i;
+        for (i = 0; i < m->defaults_pyobjects; i++)
+            Py_VISIT(pydefaults[i]);
     }
-    return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
+    return 0;
 }
+static PyObject*
+__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
+{
+#if PY_MAJOR_VERSION >= 3
+    return PyUnicode_FromFormat("<cyfunction %U at %p>",
+                                op->func_qualname, (void *)op);
+#else
+    return PyString_FromFormat("<cyfunction %s at %p>",
+                               PyString_AsString(op->func_qualname), (void *)op);
+#endif
+}
+static PyObject * __Pyx_CyFunction_CallMethod(PyObject *func, PyObject *self, PyObject *arg, PyObject *kw) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *f = ((__pyx_CyFunctionObject*)func)->func;
+    PyObject *py_name = NULL;
+    PyCFunction meth;
+    int flags;
+    meth = PyCFunction_GetFunction(f);
+    if (unlikely(!meth)) return NULL;
+    flags = PyCFunction_GetFlags(f);
+    if (unlikely(flags < 0)) return NULL;
+#else
+    PyCFunctionObject* f = (PyCFunctionObject*)func;
+    PyCFunction meth = f->m_ml->ml_meth;
+    int flags = f->m_ml->ml_flags;
+#endif
+    Py_ssize_t size;
+    switch (flags & (METH_VARARGS | METH_KEYWORDS | METH_NOARGS | METH_O)) {
+    case METH_VARARGS:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0))
+            return (*meth)(self, arg);
+        break;
+    case METH_VARARGS | METH_KEYWORDS:
+        return (*(PyCFunctionWithKeywords)(void*)meth)(self, arg, kw);
+    case METH_NOARGS:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
+#if CYTHON_ASSUME_SAFE_MACROS
+            size = PyTuple_GET_SIZE(arg);
+#else
+            size = PyTuple_Size(arg);
+            if (unlikely(size < 0)) return NULL;
+#endif
+            if (likely(size == 0))
+                return (*meth)(self, NULL);
+#if CYTHON_COMPILING_IN_LIMITED_API
+            py_name = __Pyx_CyFunction_get_name((__pyx_CyFunctionObject*)func, NULL);
+            if (!py_name) return NULL;
+            PyErr_Format(PyExc_TypeError,
+                "%.200S() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                py_name, size);
+            Py_DECREF(py_name);
+#else
+            PyErr_Format(PyExc_TypeError,
+                "%.200s() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                f->m_ml->ml_name, size);
 #endif
-
-/* PyIntBinop */
-#if !CYTHON_COMPILING_IN_PYPY
-static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) {
-    (void)inplace;
-    (void)zerodivision_check;
-    #if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_CheckExact(op1))) {
-        const long b = intval;
-        long x;
-        long a = PyInt_AS_LONG(op1);
-            x = (long)((unsigned long)a + b);
-            if (likely((x^a) >= 0 || (x^b) >= 0))
-                return PyInt_FromLong(x);
-            return PyLong_Type.tp_as_number->nb_add(op1, op2);
+            return NULL;
+        }
+        break;
+    case METH_O:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
+#if CYTHON_ASSUME_SAFE_MACROS
+            size = PyTuple_GET_SIZE(arg);
+#else
+            size = PyTuple_Size(arg);
+            if (unlikely(size < 0)) return NULL;
+#endif
+            if (likely(size == 1)) {
+                PyObject *result, *arg0;
+                #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+                arg0 = PyTuple_GET_ITEM(arg, 0);
+                #else
+                arg0 = __Pyx_PySequence_ITEM(arg, 0); if (unlikely(!arg0)) return NULL;
+                #endif
+                result = (*meth)(self, arg0);
+                #if !(CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
+                Py_DECREF(arg0);
+                #endif
+                return result;
+            }
+#if CYTHON_COMPILING_IN_LIMITED_API
+            py_name = __Pyx_CyFunction_get_name((__pyx_CyFunctionObject*)func, NULL);
+            if (!py_name) return NULL;
+            PyErr_Format(PyExc_TypeError,
+                "%.200S() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                py_name, size);
+            Py_DECREF(py_name);
+#else
+            PyErr_Format(PyExc_TypeError,
+                "%.200s() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                f->m_ml->ml_name, size);
+#endif
+            return NULL;
+        }
+        break;
+    default:
+        PyErr_SetString(PyExc_SystemError, "Bad call flags for CyFunction");
+        return NULL;
     }
-    #endif
-    #if CYTHON_USE_PYLONG_INTERNALS
-    if (likely(PyLong_CheckExact(op1))) {
-        const long b = intval;
-        long a, x;
-#ifdef HAVE_LONG_LONG
-        const PY_LONG_LONG llb = intval;
-        PY_LONG_LONG lla, llx;
-#endif
-        const digit* digits = ((PyLongObject*)op1)->ob_digit;
-        const Py_ssize_t size = Py_SIZE(op1);
-        if (likely(__Pyx_sst_abs(size) <= 1)) {
-            a = likely(size) ? digits[0] : 0;
-            if (size == -1) a = -a;
-        } else {
-            switch (size) {
-                case -2:
-                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                        a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
-                        lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    py_name = __Pyx_CyFunction_get_name((__pyx_CyFunctionObject*)func, NULL);
+    if (!py_name) return NULL;
+    PyErr_Format(PyExc_TypeError, "%.200S() takes no keyword arguments",
+                 py_name);
+    Py_DECREF(py_name);
+#else
+    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
+                 f->m_ml->ml_name);
 #endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case 2:
-                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                        a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
-                        lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
+    return NULL;
+}
+static CYTHON_INLINE PyObject *__Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyObject *self, *result;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)func)->func);
+    if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+    self = ((PyCFunctionObject*)func)->m_self;
 #endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case -3:
-                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                        a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
-                        lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
+    result = __Pyx_CyFunction_CallMethod(func, self, arg, kw);
+    return result;
+}
+static PyObject *__Pyx_CyFunction_CallAsMethod(PyObject *func, PyObject *args, PyObject *kw) {
+    PyObject *result;
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *) func;
+#if CYTHON_METH_FASTCALL
+     __pyx_vectorcallfunc vc = __Pyx_CyFunction_func_vectorcall(cyfunc);
+    if (vc) {
+#if CYTHON_ASSUME_SAFE_MACROS
+        return __Pyx_PyVectorcall_FastCallDict(func, vc, &PyTuple_GET_ITEM(args, 0), (size_t)PyTuple_GET_SIZE(args), kw);
+#else
+        (void) &__Pyx_PyVectorcall_FastCallDict;
+        return PyVectorcall_Call(func, args, kw);
 #endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case 3:
-                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                        a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
-                        lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
+    }
 #endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case -4:
-                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                        a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
-                        lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
+    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
+        Py_ssize_t argc;
+        PyObject *new_args;
+        PyObject *self;
+#if CYTHON_ASSUME_SAFE_MACROS
+        argc = PyTuple_GET_SIZE(args);
+#else
+        argc = PyTuple_Size(args);
+        if (unlikely(!argc) < 0) return NULL;
 #endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case 4:
-                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                        a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
-                        lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
+        new_args = PyTuple_GetSlice(args, 1, argc);
+        if (unlikely(!new_args))
+            return NULL;
+        self = PyTuple_GetItem(args, 0);
+        if (unlikely(!self)) {
+            Py_DECREF(new_args);
+#if PY_MAJOR_VERSION > 2
+            PyErr_Format(PyExc_TypeError,
+                         "unbound method %.200S() needs an argument",
+                         cyfunc->func_qualname);
+#else
+            PyErr_SetString(PyExc_TypeError,
+                            "unbound method needs an argument");
 #endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                default: return PyLong_Type.tp_as_number->nb_add(op1, op2);
-            }
+            return NULL;
         }
-                x = a + b;
-            return PyLong_FromLong(x);
-#ifdef HAVE_LONG_LONG
-        long_long:
-                llx = lla + llb;
-            return PyLong_FromLongLong(llx);
-#endif
-        
-        
-    }
-    #endif
-    if (PyFloat_CheckExact(op1)) {
-        const long b = intval;
-        double a = PyFloat_AS_DOUBLE(op1);
-            double result;
-            PyFPE_START_PROTECT("add", return NULL)
-            result = ((double)a) + (double)b;
-            PyFPE_END_PROTECT(result)
-            return PyFloat_FromDouble(result);
+        result = __Pyx_CyFunction_CallMethod(func, self, new_args, kw);
+        Py_DECREF(new_args);
+    } else {
+        result = __Pyx_CyFunction_Call(func, args, kw);
     }
-    return (inplace ? PyNumber_InPlaceAdd : PyNumber_Add)(op1, op2);
-}
-#endif
-
-/* None */
-static CYTHON_INLINE long __Pyx_div_long(long a, long b) {
-    long q = a / b;
-    long r = a - q*b;
-    q -= ((r != 0) & ((r ^ b) < 0));
-    return q;
+    return result;
 }
-
-/* ImportFrom */
-static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
-    PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
-    if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
-        PyErr_Format(PyExc_ImportError,
-        #if PY_MAJOR_VERSION < 3
-            "cannot import name %.230s", PyString_AS_STRING(name));
-        #else
-            "cannot import name %S", name);
-        #endif
+#if CYTHON_METH_FASTCALL
+static CYTHON_INLINE int __Pyx_CyFunction_Vectorcall_CheckArgs(__pyx_CyFunctionObject *cyfunc, Py_ssize_t nargs, PyObject *kwnames)
+{
+    int ret = 0;
+    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
+        if (unlikely(nargs < 1)) {
+            PyErr_Format(PyExc_TypeError, "%.200s() needs an argument",
+                         ((PyCFunctionObject*)cyfunc)->m_ml->ml_name);
+            return -1;
+        }
+        ret = 1;
     }
-    return value;
-}
-
-/* HasAttr */
-static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) {
-    PyObject *r;
-    if (unlikely(!__Pyx_PyBaseString_Check(n))) {
-        PyErr_SetString(PyExc_TypeError,
-                        "hasattr(): attribute name must be string");
+    if (unlikely(kwnames) && unlikely(PyTuple_GET_SIZE(kwnames))) {
+        PyErr_Format(PyExc_TypeError,
+                     "%.200s() takes no keyword arguments", ((PyCFunctionObject*)cyfunc)->m_ml->ml_name);
         return -1;
     }
-    r = __Pyx_GetAttr(o, n);
-    if (unlikely(!r)) {
-        PyErr_Clear();
-        return 0;
-    } else {
-        Py_DECREF(r);
-        return 1;
-    }
+    return ret;
 }
-
-/* PyObject_GenericGetAttrNoDict */
-#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
-static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) {
-    PyErr_Format(PyExc_AttributeError,
-#if PY_MAJOR_VERSION >= 3
-                 "'%.50s' object has no attribute '%U'",
-                 tp->tp_name, attr_name);
+static PyObject * __Pyx_CyFunction_Vectorcall_NOARGS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyMethodDef* def = ((PyCFunctionObject*)cyfunc)->m_ml;
+#if CYTHON_BACKPORT_VECTORCALL
+    Py_ssize_t nargs = (Py_ssize_t)nargsf;
 #else
-                 "'%.50s' object has no attribute '%.400s'",
-                 tp->tp_name, PyString_AS_STRING(attr_name));
-#endif
-    return NULL;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) {
-    PyObject *descr;
-    PyTypeObject *tp = Py_TYPE(obj);
-    if (unlikely(!PyString_Check(attr_name))) {
-        return PyObject_GenericGetAttr(obj, attr_name);
-    }
-    assert(!tp->tp_dictoffset);
-    descr = _PyType_Lookup(tp, attr_name);
-    if (unlikely(!descr)) {
-        return __Pyx_RaiseGenericGetAttributeError(tp, attr_name);
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+#endif
+    PyObject *self;
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, kwnames)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+        break;
+    default:
+        return NULL;
     }
-    Py_INCREF(descr);
-    #if PY_MAJOR_VERSION < 3
-    if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS)))
-    #endif
-    {
-        descrgetfunc f = Py_TYPE(descr)->tp_descr_get;
-        if (unlikely(f)) {
-            PyObject *res = f(descr, obj, (PyObject *)tp);
-            Py_DECREF(descr);
-            return res;
-        }
+    if (unlikely(nargs != 0)) {
+        PyErr_Format(PyExc_TypeError,
+            "%.200s() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
+            def->ml_name, nargs);
+        return NULL;
     }
-    return descr;
+    return def->ml_meth(self, NULL);
 }
-#endif
-
-/* PyObject_GenericGetAttr */
-#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
-static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) {
-    if (unlikely(Py_TYPE(obj)->tp_dictoffset)) {
-        return PyObject_GenericGetAttr(obj, attr_name);
+static PyObject * __Pyx_CyFunction_Vectorcall_O(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyMethodDef* def = ((PyCFunctionObject*)cyfunc)->m_ml;
+#if CYTHON_BACKPORT_VECTORCALL
+    Py_ssize_t nargs = (Py_ssize_t)nargsf;
+#else
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+#endif
+    PyObject *self;
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, kwnames)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+        break;
+    default:
+        return NULL;
     }
-    return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name);
+    if (unlikely(nargs != 1)) {
+        PyErr_Format(PyExc_TypeError,
+            "%.200s() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
+            def->ml_name, nargs);
+        return NULL;
+    }
+    return def->ml_meth(self, args[0]);
 }
-#endif
-
-/* SetVTable */
-static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
-#if PY_VERSION_HEX >= 0x02070000
-    PyObject *ob = PyCapsule_New(vtable, 0, 0);
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyMethodDef* def = ((PyCFunctionObject*)cyfunc)->m_ml;
+#if CYTHON_BACKPORT_VECTORCALL
+    Py_ssize_t nargs = (Py_ssize_t)nargsf;
 #else
-    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
-#endif
-    if (!ob)
-        goto bad;
-    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
-        goto bad;
-    Py_DECREF(ob);
-    return 0;
-bad:
-    Py_XDECREF(ob);
-    return -1;
-}
-
-/* PyObjectGetAttrStrNoError */
-static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) {
-    __Pyx_PyThreadState_declare
-    __Pyx_PyThreadState_assign
-    if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
-        __Pyx_PyErr_Clear();
-}
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) {
-    PyObject *result;
-#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1
-    PyTypeObject* tp = Py_TYPE(obj);
-    if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) {
-        return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1);
-    }
-#endif
-    result = __Pyx_PyObject_GetAttrStr(obj, attr_name);
-    if (unlikely(!result)) {
-        __Pyx_PyObject_GetAttrStr_ClearAttributeError();
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+#endif
+    PyObject *self;
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, NULL)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+        break;
+    default:
+        return NULL;
     }
-    return result;
-}
-
-/* SetupReduce */
-static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
-  int ret;
-  PyObject *name_attr;
-  name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name_2);
-  if (likely(name_attr)) {
-      ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
-  } else {
-      ret = -1;
-  }
-  if (unlikely(ret < 0)) {
-      PyErr_Clear();
-      ret = 0;
-  }
-  Py_XDECREF(name_attr);
-  return ret;
+    return ((__Pyx_PyCFunctionFastWithKeywords)(void(*)(void))def->ml_meth)(self, args, nargs, kwnames);
 }
-static int __Pyx_setup_reduce(PyObject* type_obj) {
-    int ret = 0;
-    PyObject *object_reduce = NULL;
-    PyObject *object_reduce_ex = NULL;
-    PyObject *reduce = NULL;
-    PyObject *reduce_ex = NULL;
-    PyObject *reduce_cython = NULL;
-    PyObject *setstate = NULL;
-    PyObject *setstate_cython = NULL;
-#if CYTHON_USE_PYTYPE_LOOKUP
-    if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD;
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyMethodDef* def = ((PyCFunctionObject*)cyfunc)->m_ml;
+    PyTypeObject *cls = (PyTypeObject *) __Pyx_CyFunction_GetClassObj(cyfunc);
+#if CYTHON_BACKPORT_VECTORCALL
+    Py_ssize_t nargs = (Py_ssize_t)nargsf;
+#else
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+#endif
+    PyObject *self;
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, NULL)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+        break;
+    default:
+        return NULL;
+    }
+    return ((__Pyx_PyCMethod)(void(*)(void))def->ml_meth)(self, cls, args, (size_t)nargs, kwnames);
+}
+#endif
+#if CYTHON_USE_TYPE_SPECS
+static PyType_Slot __pyx_CyFunctionType_slots[] = {
+    {Py_tp_dealloc, (void *)__Pyx_CyFunction_dealloc},
+    {Py_tp_repr, (void *)__Pyx_CyFunction_repr},
+    {Py_tp_call, (void *)__Pyx_CyFunction_CallAsMethod},
+    {Py_tp_traverse, (void *)__Pyx_CyFunction_traverse},
+    {Py_tp_clear, (void *)__Pyx_CyFunction_clear},
+    {Py_tp_methods, (void *)__pyx_CyFunction_methods},
+    {Py_tp_members, (void *)__pyx_CyFunction_members},
+    {Py_tp_getset, (void *)__pyx_CyFunction_getsets},
+    {Py_tp_descr_get, (void *)__Pyx_PyMethod_New},
+    {0, 0},
+};
+static PyType_Spec __pyx_CyFunctionType_spec = {
+    __PYX_TYPE_MODULE_PREFIX "cython_function_or_method",
+    sizeof(__pyx_CyFunctionObject),
+    0,
+#ifdef Py_TPFLAGS_METHOD_DESCRIPTOR
+    Py_TPFLAGS_METHOD_DESCRIPTOR |
+#endif
+#if (defined(_Py_TPFLAGS_HAVE_VECTORCALL) && CYTHON_METH_FASTCALL)
+    _Py_TPFLAGS_HAVE_VECTORCALL |
+#endif
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    __pyx_CyFunctionType_slots
+};
 #else
-    if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD;
+static PyTypeObject __pyx_CyFunctionType_type = {
+    PyVarObject_HEAD_INIT(0, 0)
+    __PYX_TYPE_MODULE_PREFIX "cython_function_or_method",
+    sizeof(__pyx_CyFunctionObject),
+    0,
+    (destructor) __Pyx_CyFunction_dealloc,
+#if !CYTHON_METH_FASTCALL
+    0,
+#elif CYTHON_BACKPORT_VECTORCALL
+    (printfunc)offsetof(__pyx_CyFunctionObject, func_vectorcall),
+#else
+    offsetof(PyCFunctionObject, vectorcall),
 #endif
-#if CYTHON_USE_PYTYPE_LOOKUP
-    object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+    0,
+    0,
+#if PY_MAJOR_VERSION < 3
+    0,
 #else
-    object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+    0,
+#endif
+    (reprfunc) __Pyx_CyFunction_repr,
+    0,
+    0,
+    0,
+    0,
+    __Pyx_CyFunction_CallAsMethod,
+    0,
+    0,
+    0,
+    0,
+#ifdef Py_TPFLAGS_METHOD_DESCRIPTOR
+    Py_TPFLAGS_METHOD_DESCRIPTOR |
+#endif
+#if defined(_Py_TPFLAGS_HAVE_VECTORCALL) && CYTHON_METH_FASTCALL
+    _Py_TPFLAGS_HAVE_VECTORCALL |
+#endif
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    0,
+    (traverseproc) __Pyx_CyFunction_traverse,
+    (inquiry) __Pyx_CyFunction_clear,
+    0,
+#if PY_VERSION_HEX < 0x030500A0
+    offsetof(__pyx_CyFunctionObject, func_weakreflist),
+#else
+    offsetof(PyCFunctionObject, m_weakreflist),
+#endif
+    0,
+    0,
+    __pyx_CyFunction_methods,
+    __pyx_CyFunction_members,
+    __pyx_CyFunction_getsets,
+    0,
+    0,
+    __Pyx_PyMethod_New,
+    0,
+    offsetof(__pyx_CyFunctionObject, func_dict),
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+#if PY_VERSION_HEX >= 0x030400a1
+    0,
+#endif
+#if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
+    0,
+#endif
+#if __PYX_NEED_TP_PRINT_SLOT
+    0,
+#endif
+#if PY_VERSION_HEX >= 0x030C0000
+    0,
+#endif
+#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+    0,
 #endif
-    reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD;
-    if (reduce_ex == object_reduce_ex) {
-#if CYTHON_USE_PYTYPE_LOOKUP
-        object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
+};
+#endif
+static int __pyx_CyFunction_init(PyObject *module) {
+#if CYTHON_USE_TYPE_SPECS
+    __pyx_CyFunctionType = __Pyx_FetchCommonTypeFromSpec(module, &__pyx_CyFunctionType_spec, NULL);
 #else
-        object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
+    CYTHON_UNUSED_VAR(module);
+    __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type);
 #endif
-        reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD;
-        if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) {
-            reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython);
-            if (likely(reduce_cython)) {
-                ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-                ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-            } else if (reduce == object_reduce || PyErr_Occurred()) {
-                goto __PYX_BAD;
-            }
-            setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate);
-            if (!setstate) PyErr_Clear();
-            if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) {
-                setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython);
-                if (likely(setstate_cython)) {
-                    ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-                    ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-                } else if (!setstate || PyErr_Occurred()) {
-                    goto __PYX_BAD;
-                }
-            }
-            PyType_Modified((PyTypeObject*)type_obj);
-        }
+    if (unlikely(__pyx_CyFunctionType == NULL)) {
+        return -1;
     }
-    goto __PYX_GOOD;
-__PYX_BAD:
-    if (!PyErr_Occurred())
-        PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name);
-    ret = -1;
-__PYX_GOOD:
-#if !CYTHON_USE_PYTYPE_LOOKUP
-    Py_XDECREF(object_reduce);
-    Py_XDECREF(object_reduce_ex);
-#endif
-    Py_XDECREF(reduce);
-    Py_XDECREF(reduce_ex);
-    Py_XDECREF(reduce_cython);
-    Py_XDECREF(setstate);
-    Py_XDECREF(setstate_cython);
-    return ret;
+    return 0;
+}
+static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults = PyObject_Malloc(size);
+    if (unlikely(!m->defaults))
+        return PyErr_NoMemory();
+    memset(m->defaults, 0, size);
+    m->defaults_pyobjects = pyobjects;
+    m->defaults_size = size;
+    return m->defaults;
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults_tuple = tuple;
+    Py_INCREF(tuple);
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults_kwdict = dict;
+    Py_INCREF(dict);
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->func_annotations = dict;
+    Py_INCREF(dict);
+}
+
+/* CythonFunction */
+static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml, int flags, PyObject* qualname,
+                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
+    PyObject *op = __Pyx_CyFunction_Init(
+        PyObject_GC_New(__pyx_CyFunctionObject, __pyx_CyFunctionType),
+        ml, flags, qualname, closure, module, globals, code
+    );
+    if (likely(op)) {
+        PyObject_GC_Track(op);
+    }
+    return op;
 }
 
 /* CLineInTraceback */
 #ifndef CYTHON_CLINE_IN_TRACEBACK
-static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) {
+static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line) {
     PyObject *use_cline;
     PyObject *ptype, *pvalue, *ptraceback;
 #if CYTHON_COMPILING_IN_CPYTHON
     PyObject **cython_runtime_dict;
 #endif
+    CYTHON_MAYBE_UNUSED_VAR(tstate);
     if (unlikely(!__pyx_cython_runtime)) {
         return c_line;
     }
@@ -21166,7 +26899,7 @@ static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int
     } else
 #endif
     {
-      PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
+      PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStrNoError(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
       if (use_cline_obj) {
         use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True;
         Py_DECREF(use_cline_obj);
@@ -21177,7 +26910,7 @@ static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int
     }
     if (!use_cline) {
         c_line = 0;
-        PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
+        (void) PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
     }
     else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) {
         c_line = 0;
@@ -21188,6 +26921,7 @@ static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int
 #endif
 
 /* CodeObjectCache */
+#if !CYTHON_COMPILING_IN_LIMITED_API
 static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
     int start = 0, mid = 0, end = count - 1;
     if (end >= 0 && code_line > entries[end].code_line) {
@@ -21266,44 +27000,136 @@ static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
     __pyx_code_cache.count++;
     Py_INCREF(code_object);
 }
+#endif
 
 /* AddTraceback */
 #include "compile.h"
 #include "frameobject.h"
 #include "traceback.h"
+#if PY_VERSION_HEX >= 0x030b00a6 && !CYTHON_COMPILING_IN_LIMITED_API
+  #ifndef Py_BUILD_CORE
+    #define Py_BUILD_CORE 1
+  #endif
+  #include "internal/pycore_frame.h"
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *__Pyx_PyCode_Replace_For_AddTraceback(PyObject *code, PyObject *scratch_dict,
+                                                       PyObject *firstlineno, PyObject *name) {
+    PyObject *replace = NULL;
+    if (unlikely(PyDict_SetItemString(scratch_dict, "co_firstlineno", firstlineno))) return NULL;
+    if (unlikely(PyDict_SetItemString(scratch_dict, "co_name", name))) return NULL;
+    replace = PyObject_GetAttrString(code, "replace");
+    if (likely(replace)) {
+        PyObject *result;
+        result = PyObject_Call(replace, __pyx_empty_tuple, scratch_dict);
+        Py_DECREF(replace);
+        return result;
+    }
+    PyErr_Clear();
+    #if __PYX_LIMITED_VERSION_HEX < 0x030780000
+    {
+        PyObject *compiled = NULL, *result = NULL;
+        if (unlikely(PyDict_SetItemString(scratch_dict, "code", code))) return NULL;
+        if (unlikely(PyDict_SetItemString(scratch_dict, "type", (PyObject*)(&PyType_Type)))) return NULL;
+        compiled = Py_CompileString(
+            "out = type(code)(\n"
+            "  code.co_argcount, code.co_kwonlyargcount, code.co_nlocals, code.co_stacksize,\n"
+            "  code.co_flags, code.co_code, code.co_consts, code.co_names,\n"
+            "  code.co_varnames, code.co_filename, co_name, co_firstlineno,\n"
+            "  code.co_lnotab)\n", "<dummy>", Py_file_input);
+        if (!compiled) return NULL;
+        result = PyEval_EvalCode(compiled, scratch_dict, scratch_dict);
+        Py_DECREF(compiled);
+        if (!result) PyErr_Print();
+        Py_DECREF(result);
+        result = PyDict_GetItemString(scratch_dict, "out");
+        if (result) Py_INCREF(result);
+        return result;
+    }
+    #else
+    return NULL;
+    #endif
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyObject *code_object = NULL, *py_py_line = NULL, *py_funcname = NULL, *dict = NULL;
+    PyObject *replace = NULL, *getframe = NULL, *frame = NULL;
+    PyObject *exc_type, *exc_value, *exc_traceback;
+    int success = 0;
+    if (c_line) {
+        (void) __pyx_cfilenm;
+        (void) __Pyx_CLineForTraceback(__Pyx_PyThreadState_Current, c_line);
+    }
+    PyErr_Fetch(&exc_type, &exc_value, &exc_traceback);
+    code_object = Py_CompileString("_getframe()", filename, Py_eval_input);
+    if (unlikely(!code_object)) goto bad;
+    py_py_line = PyLong_FromLong(py_line);
+    if (unlikely(!py_py_line)) goto bad;
+    py_funcname = PyUnicode_FromString(funcname);
+    if (unlikely(!py_funcname)) goto bad;
+    dict = PyDict_New();
+    if (unlikely(!dict)) goto bad;
+    {
+        PyObject *old_code_object = code_object;
+        code_object = __Pyx_PyCode_Replace_For_AddTraceback(code_object, dict, py_py_line, py_funcname);
+        Py_DECREF(old_code_object);
+    }
+    if (unlikely(!code_object)) goto bad;
+    getframe = PySys_GetObject("_getframe");
+    if (unlikely(!getframe)) goto bad;
+    if (unlikely(PyDict_SetItemString(dict, "_getframe", getframe))) goto bad;
+    frame = PyEval_EvalCode(code_object, dict, dict);
+    if (unlikely(!frame) || frame == Py_None) goto bad;
+    success = 1;
+  bad:
+    PyErr_Restore(exc_type, exc_value, exc_traceback);
+    Py_XDECREF(code_object);
+    Py_XDECREF(py_py_line);
+    Py_XDECREF(py_funcname);
+    Py_XDECREF(dict);
+    Py_XDECREF(replace);
+    if (success) {
+        PyTraceBack_Here(
+            (struct _frame*)frame);
+    }
+    Py_XDECREF(frame);
+}
+#else
 static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
             const char *funcname, int c_line,
             int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
+    PyCodeObject *py_code = NULL;
+    PyObject *py_funcname = NULL;
     #if PY_MAJOR_VERSION < 3
+    PyObject *py_srcfile = NULL;
     py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
     if (!py_srcfile) goto bad;
+    #endif
     if (c_line) {
         #if PY_MAJOR_VERSION < 3
         py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        if (!py_funcname) goto bad;
         #else
         py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        if (!py_funcname) goto bad;
+        funcname = PyUnicode_AsUTF8(py_funcname);
+        if (!funcname) goto bad;
         #endif
     }
     else {
         #if PY_MAJOR_VERSION < 3
         py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
+        if (!py_funcname) goto bad;
         #endif
     }
-    if (!py_funcname) goto bad;
+    #if PY_MAJOR_VERSION < 3
     py_code = __Pyx_PyCode_New(
         0,
         0,
         0,
         0,
         0,
+        0,
         __pyx_empty_bytes, /*PyObject *code,*/
         __pyx_empty_tuple, /*PyObject *consts,*/
         __pyx_empty_tuple, /*PyObject *names,*/
@@ -21316,11 +27142,16 @@ static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
         __pyx_empty_bytes  /*PyObject *lnotab*/
     );
     Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
+    #else
+    py_code = PyCode_NewEmpty(filename, funcname, py_line);
+    #endif
+    Py_XDECREF(py_funcname);
     return py_code;
 bad:
-    Py_XDECREF(py_srcfile);
     Py_XDECREF(py_funcname);
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(py_srcfile);
+    #endif
     return NULL;
 }
 static void __Pyx_AddTraceback(const char *funcname, int c_line,
@@ -21328,14 +27159,24 @@ static void __Pyx_AddTraceback(const char *funcname, int c_line,
     PyCodeObject *py_code = 0;
     PyFrameObject *py_frame = 0;
     PyThreadState *tstate = __Pyx_PyThreadState_Current;
+    PyObject *ptype, *pvalue, *ptraceback;
     if (c_line) {
         c_line = __Pyx_CLineForTraceback(tstate, c_line);
     }
     py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
     if (!py_code) {
+        __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
         py_code = __Pyx_CreateCodeObjectForTraceback(
             funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
+        if (!py_code) {
+            /* If the code object creation fails, then we should clear the
+               fetched exception references and propagate the new exception */
+            Py_XDECREF(ptype);
+            Py_XDECREF(pvalue);
+            Py_XDECREF(ptraceback);
+            goto bad;
+        }
+        __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
         __pyx_insert_code_object(c_line ? -c_line : py_line, py_code);
     }
     py_frame = PyFrame_New(
@@ -21351,13 +27192,19 @@ bad:
     Py_XDECREF(py_code);
     Py_XDECREF(py_frame);
 }
+#endif
 
 #if PY_MAJOR_VERSION < 3
 static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
+    __Pyx_TypeName obj_type_name;
     if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
         if (__Pyx_TypeCheck(obj, __pyx_array_type)) return __pyx_array_getbuffer(obj, view, flags);
         if (__Pyx_TypeCheck(obj, __pyx_memoryview_type)) return __pyx_memoryview_getbuffer(obj, view, flags);
-    PyErr_Format(PyExc_TypeError, "'%.200s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
+    obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    PyErr_Format(PyExc_TypeError,
+                 "'" __Pyx_FMT_TYPENAME "' does not have the buffer interface",
+                 obj_type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
     return -1;
 }
 static void __Pyx_ReleaseBuffer(Py_buffer *view) {
@@ -21432,19 +27279,6 @@ __pyx_slices_overlap(__Pyx_memviewslice *slice1,
     return (start1 < end2) && (start2 < end1);
 }
 
-/* Capsule */
-static CYTHON_INLINE PyObject *
-__pyx_capsule_create(void *p, CYTHON_UNUSED const char *sig)
-{
-    PyObject *cobj;
-#if PY_VERSION_HEX >= 0x02070000
-    cobj = PyCapsule_New(p, sig, NULL);
-#else
-    cobj = PyCObject_FromVoidPtr(p, NULL);
-#endif
-    return cobj;
-}
-
 /* IsLittleEndian */
 static CYTHON_INLINE int __Pyx_Is_Little_Endian(void)
 {
@@ -21532,7 +27366,7 @@ static const char* __Pyx_BufFmt_DescribeTypeChar(char ch, int is_complex) {
     case 'P': return "a pointer";
     case 's': case 'p': return "a string";
     case 0: return "end";
-    default: return "unparseable format string";
+    default: return "unparsable format string";
   }
 }
 static size_t __Pyx_BufFmt_TypeCharToStandardSize(char ch, int is_complex) {
@@ -21582,7 +27416,8 @@ typedef struct { char c; void *x; } __Pyx_st_void_p;
 #ifdef HAVE_LONG_LONG
 typedef struct { char c; PY_LONG_LONG x; } __Pyx_st_longlong;
 #endif
-static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, CYTHON_UNUSED int is_complex) {
+static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, int is_complex) {
+  CYTHON_UNUSED_VAR(is_complex);
   switch (ch) {
     case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
     case 'h': case 'H': return sizeof(__Pyx_st_short) - sizeof(short);
@@ -21614,7 +27449,8 @@ typedef struct { void *x; char c; } __Pyx_pad_void_p;
 #ifdef HAVE_LONG_LONG
 typedef struct { PY_LONG_LONG x; char c; } __Pyx_pad_longlong;
 #endif
-static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, CYTHON_UNUSED int is_complex) {
+static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, int is_complex) {
+  CYTHON_UNUSED_VAR(is_complex);
   switch (ch) {
     case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
     case 'h': case 'H': return sizeof(__Pyx_pad_short) - sizeof(short);
@@ -21779,7 +27615,7 @@ static int __Pyx_BufFmt_ProcessTypeChunk(__Pyx_BufFmt_Context* ctx) {
   ctx->is_complex = 0;
   return 0;
 }
-static PyObject *
+static int
 __pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
 {
     const char *ts = *tsp;
@@ -21788,9 +27624,9 @@ __pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
     if (ctx->new_count != 1) {
         PyErr_SetString(PyExc_ValueError,
                         "Cannot handle repeated arrays in format string");
-        return NULL;
+        return -1;
     }
-    if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+    if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return -1;
     ndim = ctx->head->field->type->ndim;
     while (*ts && *ts != ')') {
         switch (*ts) {
@@ -21798,29 +27634,35 @@ __pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
             default:  break;
         }
         number = __Pyx_BufFmt_ExpectNumber(&ts);
-        if (number == -1) return NULL;
-        if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i])
-            return PyErr_Format(PyExc_ValueError,
+        if (number == -1) return -1;
+        if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i]) {
+            PyErr_Format(PyExc_ValueError,
                         "Expected a dimension of size %zu, got %d",
                         ctx->head->field->type->arraysize[i], number);
-        if (*ts != ',' && *ts != ')')
-            return PyErr_Format(PyExc_ValueError,
+            return -1;
+        }
+        if (*ts != ',' && *ts != ')') {
+            PyErr_Format(PyExc_ValueError,
                                 "Expected a comma in format string, got '%c'", *ts);
+            return -1;
+        }
         if (*ts == ',') ts++;
         i++;
     }
-    if (i != ndim)
-        return PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
+    if (i != ndim) {
+        PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
                             ctx->head->field->type->ndim, i);
+        return -1;
+    }
     if (!*ts) {
         PyErr_SetString(PyExc_ValueError,
                         "Unexpected end of format string, expected ')'");
-        return NULL;
+        return -1;
     }
     ctx->is_valid_array = 1;
     ctx->new_count = 1;
     *tsp = ++ts;
-    return Py_None;
+    return 0;
 }
 static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts) {
   int got_Z = 0;
@@ -21946,7 +27788,7 @@ static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const cha
         ++ts;
         break;
       case '(':
-        if (!__pyx_buffmt_parse_array(ctx, &ts)) return NULL;
+        if (__pyx_buffmt_parse_array(ctx, &ts) < 0) return NULL;
         break;
       default:
         {
@@ -22054,8 +27896,9 @@ fail:
     return 0;
 }
 static int
-__pyx_check_suboffsets(Py_buffer *buf, int dim, CYTHON_UNUSED int ndim, int spec)
+__pyx_check_suboffsets(Py_buffer *buf, int dim, int ndim, int spec)
 {
+    CYTHON_UNUSED_VAR(ndim);
     if (spec & __Pyx_MEMVIEW_DIRECT) {
         if (unlikely(buf->suboffsets && buf->suboffsets[dim] >= 0)) {
             PyErr_Format(PyExc_ValueError,
@@ -22278,7 +28121,7 @@ __pyx_fail:
 }
 static CYTHON_INLINE int __pyx_memview_set_float(const char *itemp, PyObject *obj) {
     float value = __pyx_PyFloat_AsFloat(obj);
-    if ((value == (float)-1) && PyErr_Occurred())
+    if (unlikely((value == (float)-1) && PyErr_Occurred()))
         return 0;
     *(float *) itemp = value;
     return 1;
@@ -22312,7 +28155,7 @@ static CYTHON_INLINE int __pyx_memview_set_float(const char *itemp, PyObject *ob
 }
 static CYTHON_INLINE int __pyx_memview_set_char(const char *itemp, PyObject *obj) {
     char value = __Pyx_PyInt_As_char(obj);
-    if ((value == (char)-1) && PyErr_Occurred())
+    if (unlikely((value == (char)-1) && PyErr_Occurred()))
         return 0;
     *(char *) itemp = value;
     return 1;
@@ -22393,7 +28236,7 @@ __pyx_fail:
 }
 static CYTHON_INLINE int __pyx_memview_set_int(const char *itemp, PyObject *obj) {
     int value = __Pyx_PyInt_As_int(obj);
-    if ((value == (int)-1) && PyErr_Occurred())
+    if (unlikely((value == (int)-1) && PyErr_Occurred()))
         return 0;
     *(int *) itemp = value;
     return 1;
@@ -22423,7 +28266,7 @@ __pyx_fail:
 }
 
 /* Declarations */
-  #if CYTHON_CCOMPLEX
+  #if CYTHON_CCOMPLEX && (1) && (!0 || __cplusplus)
   #ifdef __cplusplus
     static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
       return ::std::complex< float >(x, y);
@@ -22443,7 +28286,7 @@ __pyx_fail:
 #endif
 
 /* Arithmetic */
-  #if CYTHON_CCOMPLEX
+  #if CYTHON_CCOMPLEX && (1) && (!0 || __cplusplus)
 #else
     static CYTHON_INLINE int __Pyx_c_eq_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        return (a.real == b.real) && (a.imag == b.imag);
@@ -22551,7 +28394,7 @@ __pyx_fail:
             if (a.imag == 0) {
                 if (a.real == 0) {
                     return a;
-                } else if (b.imag == 0) {
+                } else if ((b.imag == 0) && (a.real >= 0)) {
                     z.real = powf(a.real, b.real);
                     z.imag = 0;
                     return z;
@@ -22577,7 +28420,7 @@ __pyx_fail:
 #endif
 
 /* Declarations */
-  #if CYTHON_CCOMPLEX
+  #if CYTHON_CCOMPLEX && (1) && (!0 || __cplusplus)
   #ifdef __cplusplus
     static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
       return ::std::complex< double >(x, y);
@@ -22597,7 +28440,7 @@ __pyx_fail:
 #endif
 
 /* Arithmetic */
-  #if CYTHON_CCOMPLEX
+  #if CYTHON_CCOMPLEX && (1) && (!0 || __cplusplus)
 #else
     static CYTHON_INLINE int __Pyx_c_eq_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        return (a.real == b.real) && (a.imag == b.imag);
@@ -22705,7 +28548,7 @@ __pyx_fail:
             if (a.imag == 0) {
                 if (a.real == 0) {
                     return a;
-                } else if (b.imag == 0) {
+                } else if ((b.imag == 0) && (a.real >= 0)) {
                     z.real = pow(a.real, b.real);
                     z.imag = 0;
                     return z;
@@ -22797,6 +28640,141 @@ no_fail:
     return new_mvs;
 }
 
+/* MemviewSliceInit */
+  static int
+__Pyx_init_memviewslice(struct __pyx_memoryview_obj *memview,
+                        int ndim,
+                        __Pyx_memviewslice *memviewslice,
+                        int memview_is_new_reference)
+{
+    __Pyx_RefNannyDeclarations
+    int i, retval=-1;
+    Py_buffer *buf = &memview->view;
+    __Pyx_RefNannySetupContext("init_memviewslice", 0);
+    if (unlikely(memviewslice->memview || memviewslice->data)) {
+        PyErr_SetString(PyExc_ValueError,
+            "memviewslice is already initialized!");
+        goto fail;
+    }
+    if (buf->strides) {
+        for (i = 0; i < ndim; i++) {
+            memviewslice->strides[i] = buf->strides[i];
+        }
+    } else {
+        Py_ssize_t stride = buf->itemsize;
+        for (i = ndim - 1; i >= 0; i--) {
+            memviewslice->strides[i] = stride;
+            stride *= buf->shape[i];
+        }
+    }
+    for (i = 0; i < ndim; i++) {
+        memviewslice->shape[i]   = buf->shape[i];
+        if (buf->suboffsets) {
+            memviewslice->suboffsets[i] = buf->suboffsets[i];
+        } else {
+            memviewslice->suboffsets[i] = -1;
+        }
+    }
+    memviewslice->memview = memview;
+    memviewslice->data = (char *)buf->buf;
+    if (__pyx_add_acquisition_count(memview) == 0 && !memview_is_new_reference) {
+        Py_INCREF(memview);
+    }
+    retval = 0;
+    goto no_fail;
+fail:
+    memviewslice->memview = 0;
+    memviewslice->data = 0;
+    retval = -1;
+no_fail:
+    __Pyx_RefNannyFinishContext();
+    return retval;
+}
+#ifndef Py_NO_RETURN
+#define Py_NO_RETURN
+#endif
+static void __pyx_fatalerror(const char *fmt, ...) Py_NO_RETURN {
+    va_list vargs;
+    char msg[200];
+#if PY_VERSION_HEX >= 0x030A0000 || defined(HAVE_STDARG_PROTOTYPES)
+    va_start(vargs, fmt);
+#else
+    va_start(vargs);
+#endif
+    vsnprintf(msg, 200, fmt, vargs);
+    va_end(vargs);
+    Py_FatalError(msg);
+}
+static CYTHON_INLINE int
+__pyx_add_acquisition_count_locked(__pyx_atomic_int_type *acquisition_count,
+                                   PyThread_type_lock lock)
+{
+    int result;
+    PyThread_acquire_lock(lock, 1);
+    result = (*acquisition_count)++;
+    PyThread_release_lock(lock);
+    return result;
+}
+static CYTHON_INLINE int
+__pyx_sub_acquisition_count_locked(__pyx_atomic_int_type *acquisition_count,
+                                   PyThread_type_lock lock)
+{
+    int result;
+    PyThread_acquire_lock(lock, 1);
+    result = (*acquisition_count)--;
+    PyThread_release_lock(lock);
+    return result;
+}
+static CYTHON_INLINE void
+__Pyx_INC_MEMVIEW(__Pyx_memviewslice *memslice, int have_gil, int lineno)
+{
+    __pyx_nonatomic_int_type old_acquisition_count;
+    struct __pyx_memoryview_obj *memview = memslice->memview;
+    if (unlikely(!memview || (PyObject *) memview == Py_None)) {
+        return;
+    }
+    old_acquisition_count = __pyx_add_acquisition_count(memview);
+    if (unlikely(old_acquisition_count <= 0)) {
+        if (likely(old_acquisition_count == 0)) {
+            if (have_gil) {
+                Py_INCREF((PyObject *) memview);
+            } else {
+                PyGILState_STATE _gilstate = PyGILState_Ensure();
+                Py_INCREF((PyObject *) memview);
+                PyGILState_Release(_gilstate);
+            }
+        } else {
+            __pyx_fatalerror("Acquisition count is %d (line %d)",
+                             old_acquisition_count+1, lineno);
+        }
+    }
+}
+static CYTHON_INLINE void __Pyx_XCLEAR_MEMVIEW(__Pyx_memviewslice *memslice,
+                                             int have_gil, int lineno) {
+    __pyx_nonatomic_int_type old_acquisition_count;
+    struct __pyx_memoryview_obj *memview = memslice->memview;
+    if (unlikely(!memview || (PyObject *) memview == Py_None)) {
+        memslice->memview = NULL;
+        return;
+    }
+    old_acquisition_count = __pyx_sub_acquisition_count(memview);
+    memslice->data = NULL;
+    if (likely(old_acquisition_count > 1)) {
+        memslice->memview = NULL;
+    } else if (likely(old_acquisition_count == 1)) {
+        if (have_gil) {
+            Py_CLEAR(memslice->memview);
+        } else {
+            PyGILState_STATE _gilstate = PyGILState_Ensure();
+            Py_CLEAR(memslice->memview);
+            PyGILState_Release(_gilstate);
+        }
+    } else {
+        __pyx_fatalerror("Acquisition count is %d (line %d)",
+                         old_acquisition_count-1, lineno);
+    }
+}
+
 /* CIntToPy */
   static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
 #ifdef __Pyx_HAS_GCC_DIAGNOSTIC
@@ -22830,8 +28808,34 @@ no_fail:
     {
         int one = 1; int little = (int)*(unsigned char *)&one;
         unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
         return _PyLong_FromByteArray(bytes, sizeof(int),
                                      little, !is_unsigned);
+#else
+        PyObject *from_bytes, *result = NULL;
+        PyObject *py_bytes = NULL, *arg_tuple = NULL, *kwds = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(int));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        arg_tuple = PyTuple_Pack(2, py_bytes, order_str);
+        if (!arg_tuple) goto limited_bad;
+        if (!is_unsigned) {
+            kwds = PyDict_New();
+            if (!kwds) goto limited_bad;
+            if (PyDict_SetItemString(kwds, "signed", __Pyx_NewRef(Py_True))) goto limited_bad;
+        }
+        result = PyObject_Call(from_bytes, arg_tuple, kwds);
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(arg_tuple);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
     }
 }
 
@@ -22868,8 +28872,34 @@ no_fail:
     {
         int one = 1; int little = (int)*(unsigned char *)&one;
         unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
         return _PyLong_FromByteArray(bytes, sizeof(char),
                                      little, !is_unsigned);
+#else
+        PyObject *from_bytes, *result = NULL;
+        PyObject *py_bytes = NULL, *arg_tuple = NULL, *kwds = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(char));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        arg_tuple = PyTuple_Pack(2, py_bytes, order_str);
+        if (!arg_tuple) goto limited_bad;
+        if (!is_unsigned) {
+            kwds = PyDict_New();
+            if (!kwds) goto limited_bad;
+            if (PyDict_SetItemString(kwds, "signed", __Pyx_NewRef(Py_True))) goto limited_bad;
+        }
+        result = PyObject_Call(from_bytes, arg_tuple, kwds);
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(arg_tuple);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
     }
 }
 
@@ -22886,7 +28916,7 @@ no_fail:
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_Check(x))) {
-        if (sizeof(char) < sizeof(long)) {
+        if ((sizeof(char) < sizeof(long))) {
             __PYX_VERIFY_RETURN_INT(char, long, PyInt_AS_LONG(x))
         } else {
             long val = PyInt_AS_LONG(x);
@@ -22900,40 +28930,45 @@ no_fail:
     if (likely(PyLong_Check(x))) {
         if (is_unsigned) {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (char) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(char, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(char) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) >= 2 * PyLong_SHIFT) {
-                            return (char) (((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+            if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+                goto raise_neg_overflow;
+            } else if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(char, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_DigitCount(x)) {
+                    case 2:
+                        if ((8 * sizeof(char) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) >= 2 * PyLong_SHIFT)) {
+                                return (char) (((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(char) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) >= 3 * PyLong_SHIFT) {
-                            return (char) (((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(char) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) >= 3 * PyLong_SHIFT)) {
+                                return (char) (((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(char) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) >= 4 * PyLong_SHIFT) {
-                            return (char) (((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(char) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) >= 4 * PyLong_SHIFT)) {
+                                return (char) (((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -22946,109 +28981,181 @@ no_fail:
                     goto raise_neg_overflow;
             }
 #endif
-            if (sizeof(char) <= sizeof(unsigned long)) {
+            if ((sizeof(char) <= sizeof(unsigned long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(char, unsigned long, PyLong_AsUnsignedLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(char) <= sizeof(unsigned PY_LONG_LONG)) {
+            } else if ((sizeof(char) <= sizeof(unsigned PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(char, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
 #endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (char) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(char, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(char,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(char) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 2 * PyLong_SHIFT) {
-                            return (char) (((char)-1)*(((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+            if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(char, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                    case -2:
+                        if ((8 * sizeof(char) - 1 > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 2 * PyLong_SHIFT)) {
+                                return (char) (((char)-1)*(((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(char) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 2 * PyLong_SHIFT) {
-                            return (char) ((((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case 2:
+                        if ((8 * sizeof(char) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 2 * PyLong_SHIFT)) {
+                                return (char) ((((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(char) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 3 * PyLong_SHIFT) {
-                            return (char) (((char)-1)*(((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case -3:
+                        if ((8 * sizeof(char) - 1 > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 3 * PyLong_SHIFT)) {
+                                return (char) (((char)-1)*(((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(char) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 3 * PyLong_SHIFT) {
-                            return (char) ((((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(char) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 3 * PyLong_SHIFT)) {
+                                return (char) ((((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(char) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 4 * PyLong_SHIFT) {
-                            return (char) (((char)-1)*(((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case -4:
+                        if ((8 * sizeof(char) - 1 > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 4 * PyLong_SHIFT)) {
+                                return (char) (((char)-1)*(((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(char) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 4 * PyLong_SHIFT) {
-                            return (char) ((((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(char) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 4 * PyLong_SHIFT)) {
+                                return (char) ((((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-            if (sizeof(char) <= sizeof(long)) {
+            if ((sizeof(char) <= sizeof(long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(char, long, PyLong_AsLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(char) <= sizeof(PY_LONG_LONG)) {
+            } else if ((sizeof(char) <= sizeof(PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(char, PY_LONG_LONG, PyLong_AsLongLong(x))
 #endif
             }
         }
         {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
             char val;
             PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
+#if PY_MAJOR_VERSION < 3
             if (likely(v) && !PyLong_Check(v)) {
                 PyObject *tmp = v;
                 v = PyNumber_Long(tmp);
                 Py_DECREF(tmp);
             }
- #endif
+#endif
             if (likely(v)) {
+                int ret = -1;
+#if PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
                 int one = 1; int is_little = (int)*(unsigned char *)&one;
                 unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
+                ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                           bytes, sizeof(val),
+                                           is_little, !is_unsigned);
+#else
+                PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+                int bits, remaining_bits, is_negative = 0;
+                long idigit;
+                int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+                if (unlikely(!PyLong_CheckExact(v))) {
+                    PyObject *tmp = v;
+                    v = PyNumber_Long(v);
+                    assert(PyLong_CheckExact(v));
+                    Py_DECREF(tmp);
+                    if (unlikely(!v)) return (char) -1;
+                }
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                if (Py_SIZE(x) == 0)
+                    return (char) 0;
+                is_negative = Py_SIZE(x) < 0;
+#else
+                {
+                    int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+                    if (unlikely(result < 0))
+                        return (char) -1;
+                    is_negative = result == 1;
+                }
+#endif
+                if (is_unsigned && unlikely(is_negative)) {
+                    goto raise_neg_overflow;
+                } else if (is_negative) {
+                    stepval = PyNumber_Invert(v);
+                    if (unlikely(!stepval))
+                        return (char) -1;
+                } else {
+                    stepval = __Pyx_NewRef(v);
+                }
+                val = (char) 0;
+                mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+                shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+                for (bits = 0; bits < (int) sizeof(char) * 8 - chunk_size; bits += chunk_size) {
+                    PyObject *tmp, *digit;
+                    digit = PyNumber_And(stepval, mask);
+                    if (unlikely(!digit)) goto done;
+                    idigit = PyLong_AsLong(digit);
+                    Py_DECREF(digit);
+                    if (unlikely(idigit < 0)) goto done;
+                    tmp = PyNumber_Rshift(stepval, shift);
+                    if (unlikely(!tmp)) goto done;
+                    Py_DECREF(stepval); stepval = tmp;
+                    val |= ((char) idigit) << bits;
+                    #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                    if (Py_SIZE(stepval) == 0)
+                        goto unpacking_done;
+                    #endif
+                }
+                idigit = PyLong_AsLong(stepval);
+                if (unlikely(idigit < 0)) goto done;
+                remaining_bits = ((int) sizeof(char) * 8) - bits - (is_unsigned ? 0 : 1);
+                if (unlikely(idigit >= (1L << remaining_bits)))
+                    goto raise_overflow;
+                val |= ((char) idigit) << bits;
+            #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+            unpacking_done:
+            #endif
+                if (!is_unsigned) {
+                    if (unlikely(val & (((char) 1) << (sizeof(char) * 8 - 1))))
+                        goto raise_overflow;
+                    if (is_negative)
+                        val = ~val;
+                }
+                ret = 0;
+            done:
+                Py_XDECREF(shift);
+                Py_XDECREF(mask);
+                Py_XDECREF(stepval);
+#endif
                 Py_DECREF(v);
                 if (likely(!ret))
                     return val;
             }
-#endif
             return (char) -1;
         }
     } else {
@@ -23082,7 +29189,7 @@ raise_neg_overflow:
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
+        if ((sizeof(int) < sizeof(long))) {
             __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
         } else {
             long val = PyInt_AS_LONG(x);
@@ -23096,40 +29203,45 @@ raise_neg_overflow:
     if (likely(PyLong_Check(x))) {
         if (is_unsigned) {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (int) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
-                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+            if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+                goto raise_neg_overflow;
+            } else if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(int, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_DigitCount(x)) {
+                    case 2:
+                        if ((8 * sizeof(int) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) >= 2 * PyLong_SHIFT)) {
+                                return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
-                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(int) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) >= 3 * PyLong_SHIFT)) {
+                                return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
-                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(int) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) >= 4 * PyLong_SHIFT)) {
+                                return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -23142,109 +29254,181 @@ raise_neg_overflow:
                     goto raise_neg_overflow;
             }
 #endif
-            if (sizeof(int) <= sizeof(unsigned long)) {
+            if ((sizeof(int) <= sizeof(unsigned long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
+            } else if ((sizeof(int) <= sizeof(unsigned PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
 #endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (int) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+            if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(int, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                    case -2:
+                        if ((8 * sizeof(int) - 1 > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                                return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                            return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case 2:
+                        if ((8 * sizeof(int) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                                return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case -3:
+                        if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                                return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                            return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(int) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                                return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case -4:
+                        if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 4 * PyLong_SHIFT)) {
+                                return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
-                            return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(int) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 4 * PyLong_SHIFT)) {
+                                return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-            if (sizeof(int) <= sizeof(long)) {
+            if ((sizeof(int) <= sizeof(long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
+            } else if ((sizeof(int) <= sizeof(PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
 #endif
             }
         }
         {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
             int val;
             PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
+#if PY_MAJOR_VERSION < 3
             if (likely(v) && !PyLong_Check(v)) {
                 PyObject *tmp = v;
                 v = PyNumber_Long(tmp);
                 Py_DECREF(tmp);
             }
- #endif
+#endif
             if (likely(v)) {
+                int ret = -1;
+#if PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
                 int one = 1; int is_little = (int)*(unsigned char *)&one;
                 unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
+                ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                           bytes, sizeof(val),
+                                           is_little, !is_unsigned);
+#else
+                PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+                int bits, remaining_bits, is_negative = 0;
+                long idigit;
+                int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+                if (unlikely(!PyLong_CheckExact(v))) {
+                    PyObject *tmp = v;
+                    v = PyNumber_Long(v);
+                    assert(PyLong_CheckExact(v));
+                    Py_DECREF(tmp);
+                    if (unlikely(!v)) return (int) -1;
+                }
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                if (Py_SIZE(x) == 0)
+                    return (int) 0;
+                is_negative = Py_SIZE(x) < 0;
+#else
+                {
+                    int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+                    if (unlikely(result < 0))
+                        return (int) -1;
+                    is_negative = result == 1;
+                }
+#endif
+                if (is_unsigned && unlikely(is_negative)) {
+                    goto raise_neg_overflow;
+                } else if (is_negative) {
+                    stepval = PyNumber_Invert(v);
+                    if (unlikely(!stepval))
+                        return (int) -1;
+                } else {
+                    stepval = __Pyx_NewRef(v);
+                }
+                val = (int) 0;
+                mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+                shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+                for (bits = 0; bits < (int) sizeof(int) * 8 - chunk_size; bits += chunk_size) {
+                    PyObject *tmp, *digit;
+                    digit = PyNumber_And(stepval, mask);
+                    if (unlikely(!digit)) goto done;
+                    idigit = PyLong_AsLong(digit);
+                    Py_DECREF(digit);
+                    if (unlikely(idigit < 0)) goto done;
+                    tmp = PyNumber_Rshift(stepval, shift);
+                    if (unlikely(!tmp)) goto done;
+                    Py_DECREF(stepval); stepval = tmp;
+                    val |= ((int) idigit) << bits;
+                    #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                    if (Py_SIZE(stepval) == 0)
+                        goto unpacking_done;
+                    #endif
+                }
+                idigit = PyLong_AsLong(stepval);
+                if (unlikely(idigit < 0)) goto done;
+                remaining_bits = ((int) sizeof(int) * 8) - bits - (is_unsigned ? 0 : 1);
+                if (unlikely(idigit >= (1L << remaining_bits)))
+                    goto raise_overflow;
+                val |= ((int) idigit) << bits;
+            #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+            unpacking_done:
+            #endif
+                if (!is_unsigned) {
+                    if (unlikely(val & (((int) 1) << (sizeof(int) * 8 - 1))))
+                        goto raise_overflow;
+                    if (is_negative)
+                        val = ~val;
+                }
+                ret = 0;
+            done:
+                Py_XDECREF(shift);
+                Py_XDECREF(mask);
+                Py_XDECREF(stepval);
+#endif
                 Py_DECREF(v);
                 if (likely(!ret))
                     return val;
             }
-#endif
             return (int) -1;
         }
     } else {
@@ -23298,8 +29482,34 @@ raise_neg_overflow:
     {
         int one = 1; int little = (int)*(unsigned char *)&one;
         unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
         return _PyLong_FromByteArray(bytes, sizeof(long),
                                      little, !is_unsigned);
+#else
+        PyObject *from_bytes, *result = NULL;
+        PyObject *py_bytes = NULL, *arg_tuple = NULL, *kwds = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(long));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        arg_tuple = PyTuple_Pack(2, py_bytes, order_str);
+        if (!arg_tuple) goto limited_bad;
+        if (!is_unsigned) {
+            kwds = PyDict_New();
+            if (!kwds) goto limited_bad;
+            if (PyDict_SetItemString(kwds, "signed", __Pyx_NewRef(Py_True))) goto limited_bad;
+        }
+        result = PyObject_Call(from_bytes, arg_tuple, kwds);
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(arg_tuple);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
     }
 }
 
@@ -23316,7 +29526,7 @@ raise_neg_overflow:
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
+        if ((sizeof(long) < sizeof(long))) {
             __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
         } else {
             long val = PyInt_AS_LONG(x);
@@ -23330,40 +29540,45 @@ raise_neg_overflow:
     if (likely(PyLong_Check(x))) {
         if (is_unsigned) {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (long) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
-                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+            if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+                goto raise_neg_overflow;
+            } else if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(long, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_DigitCount(x)) {
+                    case 2:
+                        if ((8 * sizeof(long) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) >= 2 * PyLong_SHIFT)) {
+                                return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
-                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(long) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) >= 3 * PyLong_SHIFT)) {
+                                return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
-                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(long) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) >= 4 * PyLong_SHIFT)) {
+                                return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -23376,109 +29591,181 @@ raise_neg_overflow:
                     goto raise_neg_overflow;
             }
 #endif
-            if (sizeof(long) <= sizeof(unsigned long)) {
+            if ((sizeof(long) <= sizeof(unsigned long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
+            } else if ((sizeof(long) <= sizeof(unsigned PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
 #endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (long) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+            if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(long, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                    case -2:
+                        if ((8 * sizeof(long) - 1 > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                                return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                            return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case 2:
+                        if ((8 * sizeof(long) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                                return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case -3:
+                        if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                                return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                            return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(long) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                                return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case -4:
+                        if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 4 * PyLong_SHIFT)) {
+                                return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                            return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(long) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 4 * PyLong_SHIFT)) {
+                                return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-            if (sizeof(long) <= sizeof(long)) {
+            if ((sizeof(long) <= sizeof(long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
+            } else if ((sizeof(long) <= sizeof(PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
 #endif
             }
         }
         {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
             long val;
             PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
+#if PY_MAJOR_VERSION < 3
             if (likely(v) && !PyLong_Check(v)) {
                 PyObject *tmp = v;
                 v = PyNumber_Long(tmp);
                 Py_DECREF(tmp);
             }
- #endif
+#endif
             if (likely(v)) {
+                int ret = -1;
+#if PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
                 int one = 1; int is_little = (int)*(unsigned char *)&one;
                 unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
+                ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                           bytes, sizeof(val),
+                                           is_little, !is_unsigned);
+#else
+                PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+                int bits, remaining_bits, is_negative = 0;
+                long idigit;
+                int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+                if (unlikely(!PyLong_CheckExact(v))) {
+                    PyObject *tmp = v;
+                    v = PyNumber_Long(v);
+                    assert(PyLong_CheckExact(v));
+                    Py_DECREF(tmp);
+                    if (unlikely(!v)) return (long) -1;
+                }
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                if (Py_SIZE(x) == 0)
+                    return (long) 0;
+                is_negative = Py_SIZE(x) < 0;
+#else
+                {
+                    int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+                    if (unlikely(result < 0))
+                        return (long) -1;
+                    is_negative = result == 1;
+                }
+#endif
+                if (is_unsigned && unlikely(is_negative)) {
+                    goto raise_neg_overflow;
+                } else if (is_negative) {
+                    stepval = PyNumber_Invert(v);
+                    if (unlikely(!stepval))
+                        return (long) -1;
+                } else {
+                    stepval = __Pyx_NewRef(v);
+                }
+                val = (long) 0;
+                mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+                shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+                for (bits = 0; bits < (int) sizeof(long) * 8 - chunk_size; bits += chunk_size) {
+                    PyObject *tmp, *digit;
+                    digit = PyNumber_And(stepval, mask);
+                    if (unlikely(!digit)) goto done;
+                    idigit = PyLong_AsLong(digit);
+                    Py_DECREF(digit);
+                    if (unlikely(idigit < 0)) goto done;
+                    tmp = PyNumber_Rshift(stepval, shift);
+                    if (unlikely(!tmp)) goto done;
+                    Py_DECREF(stepval); stepval = tmp;
+                    val |= ((long) idigit) << bits;
+                    #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                    if (Py_SIZE(stepval) == 0)
+                        goto unpacking_done;
+                    #endif
+                }
+                idigit = PyLong_AsLong(stepval);
+                if (unlikely(idigit < 0)) goto done;
+                remaining_bits = ((int) sizeof(long) * 8) - bits - (is_unsigned ? 0 : 1);
+                if (unlikely(idigit >= (1L << remaining_bits)))
+                    goto raise_overflow;
+                val |= ((long) idigit) << bits;
+            #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+            unpacking_done:
+            #endif
+                if (!is_unsigned) {
+                    if (unlikely(val & (((long) 1) << (sizeof(long) * 8 - 1))))
+                        goto raise_overflow;
+                    if (is_negative)
+                        val = ~val;
+                }
+                ret = 0;
+            done:
+                Py_XDECREF(shift);
+                Py_XDECREF(mask);
+                Py_XDECREF(stepval);
+#endif
                 Py_DECREF(v);
                 if (likely(!ret))
                     return val;
             }
-#endif
             return (long) -1;
         }
     } else {
@@ -23499,26 +29786,73 @@ raise_neg_overflow:
     return (long) -1;
 }
 
+/* FormatTypeName */
+  #if CYTHON_COMPILING_IN_LIMITED_API
+static __Pyx_TypeName
+__Pyx_PyType_GetName(PyTypeObject* tp)
+{
+    PyObject *name = __Pyx_PyObject_GetAttrStr((PyObject *)tp,
+                                               __pyx_n_s_name_2);
+    if (unlikely(name == NULL) || unlikely(!PyUnicode_Check(name))) {
+        PyErr_Clear();
+        Py_XDECREF(name);
+        name = __Pyx_NewRef(__pyx_n_s__25);
+    }
+    return name;
+}
+#endif
+
 /* CheckBinaryVersion */
-  static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
+  static unsigned long __Pyx_get_runtime_version(void) {
+#if __PYX_LIMITED_VERSION_HEX >= 0x030B00A4
+    return Py_Version & ~0xFFUL;
+#else
+    const char* rt_version = Py_GetVersion();
+    unsigned long version = 0;
+    unsigned long factor = 0x01000000UL;
+    unsigned int digit = 0;
+    int i = 0;
+    while (factor) {
+        while ('0' <= rt_version[i] && rt_version[i] <= '9') {
+            digit = digit * 10 + (unsigned int) (rt_version[i] - '0');
+            ++i;
+        }
+        version += factor * digit;
+        if (rt_version[i] != '.')
+            break;
+        digit = 0;
+        factor >>= 8;
+        ++i;
+    }
+    return version;
+#endif
+}
+static int __Pyx_check_binary_version(unsigned long ct_version, unsigned long rt_version, int allow_newer) {
+    const unsigned long MAJOR_MINOR = 0xFFFF0000UL;
+    if ((rt_version & MAJOR_MINOR) == (ct_version & MAJOR_MINOR))
+        return 0;
+    if (likely(allow_newer && (rt_version & MAJOR_MINOR) > (ct_version & MAJOR_MINOR)))
+        return 1;
+    {
         char message[200];
         PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
+                      "compile time Python version %d.%d "
+                      "of module '%.100s' "
+                      "%s "
+                      "runtime version %d.%d",
+                       (int) (ct_version >> 24), (int) ((ct_version >> 16) & 0xFF),
+                       __Pyx_MODULE_NAME,
+                       (allow_newer) ? "was newer than" : "does not match",
+                       (int) (rt_version >> 24), (int) ((rt_version >> 16) & 0xFF)
+       );
         return PyErr_WarnEx(NULL, message, 1);
     }
-    return 0;
 }
 
 /* FunctionImport */
-  #ifndef __PYX_HAVE_RT_ImportFunction
-#define __PYX_HAVE_RT_ImportFunction
-static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig) {
+  #ifndef __PYX_HAVE_RT_ImportFunction_3_0_10
+#define __PYX_HAVE_RT_ImportFunction_3_0_10
+static int __Pyx_ImportFunction_3_0_10(PyObject *module, const char *funcname, void (**f)(void), const char *sig) {
     PyObject *d = 0;
     PyObject *cobj = 0;
     union {
@@ -23535,7 +29869,6 @@ static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**
                 PyModule_GetName(module), funcname);
         goto bad;
     }
-#if PY_VERSION_HEX >= 0x02070000
     if (!PyCapsule_IsValid(cobj, sig)) {
         PyErr_Format(PyExc_TypeError,
             "C function %.200s.%.200s has wrong signature (expected %.500s, got %.500s)",
@@ -23543,21 +29876,6 @@ static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**
         goto bad;
     }
     tmp.p = PyCapsule_GetPointer(cobj, sig);
-#else
-    {const char *desc, *s1, *s2;
-    desc = (const char *)PyCObject_GetDesc(cobj);
-    if (!desc)
-        goto bad;
-    s1 = desc; s2 = sig;
-    while (*s1 != '\0' && *s1 == *s2) { s1++; s2++; }
-    if (*s1 != *s2) {
-        PyErr_Format(PyExc_TypeError,
-            "C function %.200s.%.200s has wrong signature (expected %.500s, got %.500s)",
-             PyModule_GetName(module), funcname, sig, desc);
-        goto bad;
-    }
-    tmp.p = PyCObject_AsVoidPtr(cobj);}
-#endif
     *f = tmp.fp;
     if (!(*f))
         goto bad;
@@ -23570,9 +29888,31 @@ bad:
 #endif
 
 /* InitStrings */
-  static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
+  #if PY_MAJOR_VERSION >= 3
+static int __Pyx_InitString(__Pyx_StringTabEntry t, PyObject **str) {
+    if (t.is_unicode | t.is_str) {
+        if (t.intern) {
+            *str = PyUnicode_InternFromString(t.s);
+        } else if (t.encoding) {
+            *str = PyUnicode_Decode(t.s, t.n - 1, t.encoding, NULL);
+        } else {
+            *str = PyUnicode_FromStringAndSize(t.s, t.n - 1);
+        }
+    } else {
+        *str = PyBytes_FromStringAndSize(t.s, t.n - 1);
+    }
+    if (!*str)
+        return -1;
+    if (PyObject_Hash(*str) == -1)
+        return -1;
+    return 0;
+}
+#endif
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
     while (t->p) {
-        #if PY_MAJOR_VERSION < 3
+        #if PY_MAJOR_VERSION >= 3
+        __Pyx_InitString(*t, t->p);
+        #else
         if (t->is_unicode) {
             *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
         } else if (t->intern) {
@@ -23580,30 +29920,34 @@ bad:
         } else {
             *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
         }
-        #else
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
         if (!*t->p)
             return -1;
         if (PyObject_Hash(*t->p) == -1)
             return -1;
+        #endif
         ++t;
     }
     return 0;
 }
 
+#include <string.h>
+static CYTHON_INLINE Py_ssize_t __Pyx_ssize_strlen(const char *s) {
+    size_t len = strlen(s);
+    if (unlikely(len > (size_t) PY_SSIZE_T_MAX)) {
+        PyErr_SetString(PyExc_OverflowError, "byte string is too long");
+        return -1;
+    }
+    return (Py_ssize_t) len;
+}
 static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
+    Py_ssize_t len = __Pyx_ssize_strlen(c_str);
+    if (unlikely(len < 0)) return NULL;
+    return __Pyx_PyUnicode_FromStringAndSize(c_str, len);
+}
+static CYTHON_INLINE PyObject* __Pyx_PyByteArray_FromString(const char* c_str) {
+    Py_ssize_t len = __Pyx_ssize_strlen(c_str);
+    if (unlikely(len < 0)) return NULL;
+    return PyByteArray_FromStringAndSize(c_str, len);
 }
 static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) {
     Py_ssize_t ignore;
@@ -23658,7 +30002,7 @@ static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_
         return __Pyx_PyUnicode_AsStringAndSize(o, length);
     } else
 #endif
-#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
+#if (!CYTHON_COMPILING_IN_PYPY && !CYTHON_COMPILING_IN_LIMITED_API) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
     if (PyByteArray_Check(o)) {
         *length = PyByteArray_GET_SIZE(o);
         return PyByteArray_AS_STRING(o);
@@ -23687,22 +30031,26 @@ static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) {
     return retval;
 }
 static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) {
+    __Pyx_TypeName result_type_name = __Pyx_PyType_GetName(Py_TYPE(result));
 #if PY_MAJOR_VERSION >= 3
     if (PyLong_Check(result)) {
         if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
-                "__int__ returned non-int (type %.200s).  "
-                "The ability to return an instance of a strict subclass of int "
-                "is deprecated, and may be removed in a future version of Python.",
-                Py_TYPE(result)->tp_name)) {
+                "__int__ returned non-int (type " __Pyx_FMT_TYPENAME ").  "
+                "The ability to return an instance of a strict subclass of int is deprecated, "
+                "and may be removed in a future version of Python.",
+                result_type_name)) {
+            __Pyx_DECREF_TypeName(result_type_name);
             Py_DECREF(result);
             return NULL;
         }
+        __Pyx_DECREF_TypeName(result_type_name);
         return result;
     }
 #endif
     PyErr_Format(PyExc_TypeError,
-                 "__%.4s__ returned non-%.4s (type %.200s)",
-                 type_name, type_name, Py_TYPE(result)->tp_name);
+                 "__%.4s__ returned non-%.4s (type " __Pyx_FMT_TYPENAME ")",
+                 type_name, type_name, result_type_name);
+    __Pyx_DECREF_TypeName(result_type_name);
     Py_DECREF(result);
     return NULL;
 }
@@ -23768,13 +30116,11 @@ static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
 #endif
   if (likely(PyLong_CheckExact(b))) {
     #if CYTHON_USE_PYLONG_INTERNALS
-    const digit* digits = ((PyLongObject*)b)->ob_digit;
-    const Py_ssize_t size = Py_SIZE(b);
-    if (likely(__Pyx_sst_abs(size) <= 1)) {
-        ival = likely(size) ? digits[0] : 0;
-        if (size == -1) ival = -ival;
-        return ival;
+    if (likely(__Pyx_PyLong_IsCompact(b))) {
+        return __Pyx_PyLong_CompactValue(b);
     } else {
+      const digit* digits = __Pyx_PyLong_Digits(b);
+      const Py_ssize_t size = __Pyx_PyLong_SignedDigitCount(b);
       switch (size) {
          case 2:
            if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
@@ -23817,6 +30163,23 @@ static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
   Py_DECREF(x);
   return ival;
 }
+static CYTHON_INLINE Py_hash_t __Pyx_PyIndex_AsHash_t(PyObject* o) {
+  if (sizeof(Py_hash_t) == sizeof(Py_ssize_t)) {
+    return (Py_hash_t) __Pyx_PyIndex_AsSsize_t(o);
+#if PY_MAJOR_VERSION < 3
+  } else if (likely(PyInt_CheckExact(o))) {
+    return PyInt_AS_LONG(o);
+#endif
+  } else {
+    Py_ssize_t ival;
+    PyObject *x;
+    x = PyNumber_Index(o);
+    if (!x) return -1;
+    ival = PyInt_AsLong(x);
+    Py_DECREF(x);
+    return ival;
+  }
+}
 static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) {
   return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False);
 }
@@ -23825,4 +30188,12 @@ static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
 }
 
 
+/* #### Code section: utility_code_pragmas_end ### */
+#ifdef _MSC_VER
+#pragma warning( pop )
+#endif
+
+
+
+/* #### Code section: end ### */
 #endif /* Py_PYTHON_H */
diff --git a/fastXPCS/fastXPCS/cython/fxpcs_sparse.c b/fastXPCS/fastXPCS/cython/fxpcs_sparse.c
index e44fe77..1d65885 100644
--- a/fastXPCS/fastXPCS/cython/fxpcs_sparse.c
+++ b/fastXPCS/fastXPCS/cython/fxpcs_sparse.c
@@ -1,15 +1,15 @@
-/* Generated by Cython 0.29.24 */
+/* Generated by Cython 3.0.10 */
 
 /* BEGIN: Cython Metadata
 {
     "distutils": {
         "include_dirs": [
             ".",
-            "/scratch/midonc/karabo/extern/lib/python3.8/site-packages/numpy-1.21.4-py3.8-linux-x86_64.egg/numpy/core/include"
+            "/home/jakobsem/git/onlinexpcs/env/lib/python3.10/site-packages/numpy/core/include"
         ],
         "name": "fxpcs_sparse",
         "sources": [
-            "/home/midonc/git/fastxpcs/fastXPCS/cython/fxpcs_sparse.pyx"
+            "/home/jakobsem/git/onlinexpcs/fastXPCS/fastXPCS/cython/fxpcs_sparse.pyx"
         ]
     },
     "module_name": "fxpcs_sparse"
@@ -19,20 +19,37 @@ END: Cython Metadata */
 #ifndef PY_SSIZE_T_CLEAN
 #define PY_SSIZE_T_CLEAN
 #endif /* PY_SSIZE_T_CLEAN */
+#if defined(CYTHON_LIMITED_API) && 0
+  #ifndef Py_LIMITED_API
+    #if CYTHON_LIMITED_API+0 > 0x03030000
+      #define Py_LIMITED_API CYTHON_LIMITED_API
+    #else
+      #define Py_LIMITED_API 0x03030000
+    #endif
+  #endif
+#endif
+
 #include "Python.h"
 #ifndef Py_PYTHON_H
     #error Python headers needed to compile C extensions, please install development version of Python.
-#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000)
-    #error Cython requires Python 2.6+ or Python 3.3+.
+#elif PY_VERSION_HEX < 0x02070000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000)
+    #error Cython requires Python 2.7+ or Python 3.3+.
+#else
+#if defined(CYTHON_LIMITED_API) && CYTHON_LIMITED_API
+#define __PYX_EXTRA_ABI_MODULE_NAME "limited"
 #else
-#define CYTHON_ABI "0_29_24"
-#define CYTHON_HEX_VERSION 0x001D18F0
+#define __PYX_EXTRA_ABI_MODULE_NAME ""
+#endif
+#define CYTHON_ABI "3_0_10" __PYX_EXTRA_ABI_MODULE_NAME
+#define __PYX_ABI_MODULE_NAME "_cython_" CYTHON_ABI
+#define __PYX_TYPE_MODULE_PREFIX __PYX_ABI_MODULE_NAME "."
+#define CYTHON_HEX_VERSION 0x03000AF0
 #define CYTHON_FUTURE_DIVISION 1
 #include <stddef.h>
 #ifndef offsetof
   #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
 #endif
-#if !defined(WIN32) && !defined(MS_WINDOWS)
+#if !defined(_WIN32) && !defined(WIN32) && !defined(MS_WINDOWS)
   #ifndef __stdcall
     #define __stdcall
   #endif
@@ -51,9 +68,7 @@ END: Cython Metadata */
 #endif
 #define __PYX_COMMA ,
 #ifndef HAVE_LONG_LONG
-  #if PY_VERSION_HEX >= 0x02070000
-    #define HAVE_LONG_LONG
-  #endif
+  #define HAVE_LONG_LONG
 #endif
 #ifndef PY_LONG_LONG
   #define PY_LONG_LONG LONG_LONG
@@ -61,12 +76,19 @@ END: Cython Metadata */
 #ifndef Py_HUGE_VAL
   #define Py_HUGE_VAL HUGE_VAL
 #endif
-#ifdef PYPY_VERSION
-  #define CYTHON_COMPILING_IN_PYPY 1
-  #define CYTHON_COMPILING_IN_PYSTON 0
+#define __PYX_LIMITED_VERSION_HEX PY_VERSION_HEX
+#if defined(GRAALVM_PYTHON)
+  /* For very preliminary testing purposes. Most variables are set the same as PyPy.
+     The existence of this section does not imply that anything works or is even tested */
+  #define CYTHON_COMPILING_IN_PYPY 0
   #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 1
+  #define CYTHON_COMPILING_IN_NOGIL 0
   #undef CYTHON_USE_TYPE_SLOTS
   #define CYTHON_USE_TYPE_SLOTS 0
+  #undef CYTHON_USE_TYPE_SPECS
+  #define CYTHON_USE_TYPE_SPECS 0
   #undef CYTHON_USE_PYTYPE_LOOKUP
   #define CYTHON_USE_PYTYPE_LOOKUP 0
   #if PY_VERSION_HEX < 0x03050000
@@ -91,27 +113,176 @@ END: Cython Metadata */
   #define CYTHON_UNPACK_METHODS 0
   #undef CYTHON_FAST_THREAD_STATE
   #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
   #undef CYTHON_FAST_PYCALL
   #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS (PY_MAJOR_VERSION >= 3)
+  #endif
   #undef CYTHON_PEP489_MULTI_PHASE_INIT
-  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 0
   #undef CYTHON_USE_TP_FINALIZE
   #define CYTHON_USE_TP_FINALIZE 0
   #undef CYTHON_USE_DICT_VERSIONS
   #define CYTHON_USE_DICT_VERSIONS 0
   #undef CYTHON_USE_EXC_INFO_STACK
   #define CYTHON_USE_EXC_INFO_STACK 0
-#elif defined(PYSTON_VERSION)
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+#elif defined(PYPY_VERSION)
+  #define CYTHON_COMPILING_IN_PYPY 1
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_NOGIL 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 0
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
+  #undef CYTHON_USE_PYTYPE_LOOKUP
+  #define CYTHON_USE_PYTYPE_LOOKUP 0
+  #if PY_VERSION_HEX < 0x03050000
+    #undef CYTHON_USE_ASYNC_SLOTS
+    #define CYTHON_USE_ASYNC_SLOTS 0
+  #elif !defined(CYTHON_USE_ASYNC_SLOTS)
+    #define CYTHON_USE_ASYNC_SLOTS 1
+  #endif
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_WRITER
+  #define CYTHON_USE_UNICODE_WRITER 0
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #undef CYTHON_AVOID_BORROWED_REFS
+  #define CYTHON_AVOID_BORROWED_REFS 1
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS (PY_MAJOR_VERSION >= 3)
+  #endif
+  #if PY_VERSION_HEX < 0x03090000
+    #undef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #elif !defined(CYTHON_PEP489_MULTI_PHASE_INIT)
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 0
+  #undef CYTHON_USE_TP_FINALIZE
+  #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1 && PYPY_VERSION_NUM >= 0x07030C00)
+  #undef CYTHON_USE_DICT_VERSIONS
+  #define CYTHON_USE_DICT_VERSIONS 0
+  #undef CYTHON_USE_EXC_INFO_STACK
+  #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+#elif defined(CYTHON_LIMITED_API)
+  #ifdef Py_LIMITED_API
+    #undef __PYX_LIMITED_VERSION_HEX
+    #define __PYX_LIMITED_VERSION_HEX Py_LIMITED_API
+  #endif
+  #define CYTHON_COMPILING_IN_PYPY 0
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 1
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_NOGIL 0
+  #undef CYTHON_CLINE_IN_TRACEBACK
+  #define CYTHON_CLINE_IN_TRACEBACK 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 0
+  #undef CYTHON_USE_TYPE_SPECS
+  #define CYTHON_USE_TYPE_SPECS 1
+  #undef CYTHON_USE_PYTYPE_LOOKUP
+  #define CYTHON_USE_PYTYPE_LOOKUP 0
+  #undef CYTHON_USE_ASYNC_SLOTS
+  #define CYTHON_USE_ASYNC_SLOTS 0
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #ifndef CYTHON_USE_UNICODE_WRITER
+    #define CYTHON_USE_UNICODE_WRITER 0
+  #endif
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #ifndef CYTHON_AVOID_BORROWED_REFS
+    #define CYTHON_AVOID_BORROWED_REFS 0
+  #endif
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #undef CYTHON_PEP489_MULTI_PHASE_INIT
+  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 1
+  #ifndef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 0
+  #endif
+  #undef CYTHON_USE_DICT_VERSIONS
+  #define CYTHON_USE_DICT_VERSIONS 0
+  #undef CYTHON_USE_EXC_INFO_STACK
+  #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+#elif defined(Py_GIL_DISABLED) || defined(Py_NOGIL)
   #define CYTHON_COMPILING_IN_PYPY 0
-  #define CYTHON_COMPILING_IN_PYSTON 1
   #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_NOGIL 1
   #ifndef CYTHON_USE_TYPE_SLOTS
     #define CYTHON_USE_TYPE_SLOTS 1
   #endif
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
   #undef CYTHON_USE_PYTYPE_LOOKUP
   #define CYTHON_USE_PYTYPE_LOOKUP 0
-  #undef CYTHON_USE_ASYNC_SLOTS
-  #define CYTHON_USE_ASYNC_SLOTS 0
+  #ifndef CYTHON_USE_ASYNC_SLOTS
+    #define CYTHON_USE_ASYNC_SLOTS 1
+  #endif
+  #ifndef CYTHON_USE_PYLONG_INTERNALS
+    #define CYTHON_USE_PYLONG_INTERNALS 0
+  #endif
   #undef CYTHON_USE_PYLIST_INTERNALS
   #define CYTHON_USE_PYLIST_INTERNALS 0
   #ifndef CYTHON_USE_UNICODE_INTERNALS
@@ -119,8 +290,6 @@ END: Cython Metadata */
   #endif
   #undef CYTHON_USE_UNICODE_WRITER
   #define CYTHON_USE_UNICODE_WRITER 0
-  #undef CYTHON_USE_PYLONG_INTERNALS
-  #define CYTHON_USE_PYLONG_INTERNALS 0
   #ifndef CYTHON_AVOID_BORROWED_REFS
     #define CYTHON_AVOID_BORROWED_REFS 0
   #endif
@@ -132,27 +301,48 @@ END: Cython Metadata */
   #endif
   #undef CYTHON_FAST_THREAD_STATE
   #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #ifndef CYTHON_METH_FASTCALL
+    #define CYTHON_METH_FASTCALL 1
+  #endif
   #undef CYTHON_FAST_PYCALL
   #define CYTHON_FAST_PYCALL 0
-  #undef CYTHON_PEP489_MULTI_PHASE_INIT
-  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
-  #undef CYTHON_USE_TP_FINALIZE
-  #define CYTHON_USE_TP_FINALIZE 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #ifndef CYTHON_USE_MODULE_STATE
+    #define CYTHON_USE_MODULE_STATE 0
+  #endif
+  #ifndef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 1
+  #endif
   #undef CYTHON_USE_DICT_VERSIONS
   #define CYTHON_USE_DICT_VERSIONS 0
   #undef CYTHON_USE_EXC_INFO_STACK
   #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 1
+  #endif
+  #ifndef CYTHON_USE_FREELISTS
+    #define CYTHON_USE_FREELISTS 0
+  #endif
 #else
   #define CYTHON_COMPILING_IN_PYPY 0
-  #define CYTHON_COMPILING_IN_PYSTON 0
   #define CYTHON_COMPILING_IN_CPYTHON 1
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_NOGIL 0
   #ifndef CYTHON_USE_TYPE_SLOTS
     #define CYTHON_USE_TYPE_SLOTS 1
   #endif
-  #if PY_VERSION_HEX < 0x02070000
-    #undef CYTHON_USE_PYTYPE_LOOKUP
-    #define CYTHON_USE_PYTYPE_LOOKUP 0
-  #elif !defined(CYTHON_USE_PYTYPE_LOOKUP)
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
+  #ifndef CYTHON_USE_PYTYPE_LOOKUP
     #define CYTHON_USE_PYTYPE_LOOKUP 1
   #endif
   #if PY_MAJOR_VERSION < 3
@@ -161,10 +351,7 @@ END: Cython Metadata */
   #elif !defined(CYTHON_USE_ASYNC_SLOTS)
     #define CYTHON_USE_ASYNC_SLOTS 1
   #endif
-  #if PY_VERSION_HEX < 0x02070000
-    #undef CYTHON_USE_PYLONG_INTERNALS
-    #define CYTHON_USE_PYLONG_INTERNALS 0
-  #elif !defined(CYTHON_USE_PYLONG_INTERNALS)
+  #ifndef CYTHON_USE_PYLONG_INTERNALS
     #define CYTHON_USE_PYLONG_INTERNALS 1
   #endif
   #ifndef CYTHON_USE_PYLIST_INTERNALS
@@ -173,7 +360,7 @@ END: Cython Metadata */
   #ifndef CYTHON_USE_UNICODE_INTERNALS
     #define CYTHON_USE_UNICODE_INTERNALS 1
   #endif
-  #if PY_VERSION_HEX < 0x030300F0
+  #if PY_VERSION_HEX < 0x030300F0 || PY_VERSION_HEX >= 0x030B00A2
     #undef CYTHON_USE_UNICODE_WRITER
     #define CYTHON_USE_UNICODE_WRITER 0
   #elif !defined(CYTHON_USE_UNICODE_WRITER)
@@ -191,27 +378,63 @@ END: Cython Metadata */
   #ifndef CYTHON_FAST_THREAD_STATE
     #define CYTHON_FAST_THREAD_STATE 1
   #endif
+  #ifndef CYTHON_FAST_GIL
+    #define CYTHON_FAST_GIL (PY_MAJOR_VERSION < 3 || PY_VERSION_HEX >= 0x03060000 && PY_VERSION_HEX < 0x030C00A6)
+  #endif
+  #ifndef CYTHON_METH_FASTCALL
+    #define CYTHON_METH_FASTCALL (PY_VERSION_HEX >= 0x030700A1)
+  #endif
   #ifndef CYTHON_FAST_PYCALL
     #define CYTHON_FAST_PYCALL 1
   #endif
-  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
-    #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000)
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
   #endif
-  #ifndef CYTHON_USE_TP_FINALIZE
-    #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1)
+  #if PY_VERSION_HEX < 0x03050000
+    #undef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #elif !defined(CYTHON_PEP489_MULTI_PHASE_INIT)
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #ifndef CYTHON_USE_MODULE_STATE
+    #define CYTHON_USE_MODULE_STATE 0
   #endif
-  #ifndef CYTHON_USE_DICT_VERSIONS
-    #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1)
+  #if PY_VERSION_HEX < 0x030400a1
+    #undef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 0
+  #elif !defined(CYTHON_USE_TP_FINALIZE)
+    #define CYTHON_USE_TP_FINALIZE 1
   #endif
-  #ifndef CYTHON_USE_EXC_INFO_STACK
-    #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3)
+  #if PY_VERSION_HEX < 0x030600B1
+    #undef CYTHON_USE_DICT_VERSIONS
+    #define CYTHON_USE_DICT_VERSIONS 0
+  #elif !defined(CYTHON_USE_DICT_VERSIONS)
+    #define CYTHON_USE_DICT_VERSIONS  (PY_VERSION_HEX < 0x030C00A5)
+  #endif
+  #if PY_VERSION_HEX < 0x030700A3
+    #undef CYTHON_USE_EXC_INFO_STACK
+    #define CYTHON_USE_EXC_INFO_STACK 0
+  #elif !defined(CYTHON_USE_EXC_INFO_STACK)
+    #define CYTHON_USE_EXC_INFO_STACK 1
+  #endif
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 1
+  #endif
+  #ifndef CYTHON_USE_FREELISTS
+    #define CYTHON_USE_FREELISTS 1
   #endif
 #endif
 #if !defined(CYTHON_FAST_PYCCALL)
 #define CYTHON_FAST_PYCCALL  (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1)
 #endif
+#if !defined(CYTHON_VECTORCALL)
+#define CYTHON_VECTORCALL  (CYTHON_FAST_PYCCALL && PY_VERSION_HEX >= 0x030800B1)
+#endif
+#define CYTHON_BACKPORT_VECTORCALL (CYTHON_METH_FASTCALL && PY_VERSION_HEX < 0x030800B1)
 #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
+  #if PY_MAJOR_VERSION < 3
+    #include "longintrepr.h"
+  #endif
   #undef SHIFT
   #undef BASE
   #undef MASK
@@ -236,6 +459,17 @@ END: Cython Metadata */
     #define CYTHON_RESTRICT
   #endif
 #endif
+#ifndef CYTHON_UNUSED
+  #if defined(__cplusplus)
+    /* for clang __has_cpp_attribute(maybe_unused) is true even before C++17
+     * but leads to warnings with -pedantic, since it is a C++17 feature */
+    #if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || __cplusplus >= 201703L)
+      #if __has_cpp_attribute(maybe_unused)
+        #define CYTHON_UNUSED [[maybe_unused]]
+      #endif
+    #endif
+  #endif
+#endif
 #ifndef CYTHON_UNUSED
 # if defined(__GNUC__)
 #   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
@@ -249,13 +483,16 @@ END: Cython Metadata */
 #   define CYTHON_UNUSED
 # endif
 #endif
-#ifndef CYTHON_MAYBE_UNUSED_VAR
+#ifndef CYTHON_UNUSED_VAR
 #  if defined(__cplusplus)
-     template<class T> void CYTHON_MAYBE_UNUSED_VAR( const T& ) { }
+     template<class T> void CYTHON_UNUSED_VAR( const T& ) { }
 #  else
-#    define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x)
+#    define CYTHON_UNUSED_VAR(x) (void)(x)
 #  endif
 #endif
+#ifndef CYTHON_MAYBE_UNUSED_VAR
+  #define CYTHON_MAYBE_UNUSED_VAR(x) CYTHON_UNUSED_VAR(x)
+#endif
 #ifndef CYTHON_NCP_UNUSED
 # if CYTHON_COMPILING_IN_CPYTHON
 #  define CYTHON_NCP_UNUSED
@@ -263,28 +500,59 @@ END: Cython Metadata */
 #  define CYTHON_NCP_UNUSED CYTHON_UNUSED
 # endif
 #endif
+#ifndef CYTHON_USE_CPP_STD_MOVE
+  #if defined(__cplusplus) && (\
+    __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1600))
+    #define CYTHON_USE_CPP_STD_MOVE 1
+  #else
+    #define CYTHON_USE_CPP_STD_MOVE 0
+  #endif
+#endif
 #define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None)
 #ifdef _MSC_VER
     #ifndef _MSC_STDINT_H_
         #if _MSC_VER < 1300
-           typedef unsigned char     uint8_t;
-           typedef unsigned int      uint32_t;
+            typedef unsigned char     uint8_t;
+            typedef unsigned short    uint16_t;
+            typedef unsigned int      uint32_t;
+        #else
+            typedef unsigned __int8   uint8_t;
+            typedef unsigned __int16  uint16_t;
+            typedef unsigned __int32  uint32_t;
+        #endif
+    #endif
+    #if _MSC_VER < 1300
+        #ifdef _WIN64
+            typedef unsigned long long  __pyx_uintptr_t;
         #else
-           typedef unsigned __int8   uint8_t;
-           typedef unsigned __int32  uint32_t;
+            typedef unsigned int        __pyx_uintptr_t;
+        #endif
+    #else
+        #ifdef _WIN64
+            typedef unsigned __int64    __pyx_uintptr_t;
+        #else
+            typedef unsigned __int32    __pyx_uintptr_t;
         #endif
     #endif
 #else
-   #include <stdint.h>
+    #include <stdint.h>
+    typedef uintptr_t  __pyx_uintptr_t;
 #endif
 #ifndef CYTHON_FALLTHROUGH
-  #if defined(__cplusplus) && __cplusplus >= 201103L
-    #if __has_cpp_attribute(fallthrough)
-      #define CYTHON_FALLTHROUGH [[fallthrough]]
-    #elif __has_cpp_attribute(clang::fallthrough)
-      #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
-    #elif __has_cpp_attribute(gnu::fallthrough)
-      #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
+  #if defined(__cplusplus)
+    /* for clang __has_cpp_attribute(fallthrough) is true even before C++17
+     * but leads to warnings with -pedantic, since it is a C++17 feature */
+    #if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || __cplusplus >= 201703L)
+      #if __has_cpp_attribute(fallthrough)
+        #define CYTHON_FALLTHROUGH [[fallthrough]]
+      #endif
+    #endif
+    #ifndef CYTHON_FALLTHROUGH
+      #if __has_cpp_attribute(clang::fallthrough)
+        #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
+      #elif __has_cpp_attribute(gnu::fallthrough)
+        #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
+      #endif
     #endif
   #endif
   #ifndef CYTHON_FALLTHROUGH
@@ -294,13 +562,26 @@ END: Cython Metadata */
       #define CYTHON_FALLTHROUGH
     #endif
   #endif
-  #if defined(__clang__ ) && defined(__apple_build_version__)
+  #if defined(__clang__) && defined(__apple_build_version__)
     #if __apple_build_version__ < 7000000
       #undef  CYTHON_FALLTHROUGH
       #define CYTHON_FALLTHROUGH
     #endif
   #endif
 #endif
+#ifdef __cplusplus
+  template <typename T>
+  struct __PYX_IS_UNSIGNED_IMPL {static const bool value = T(0) < T(-1);};
+  #define __PYX_IS_UNSIGNED(type) (__PYX_IS_UNSIGNED_IMPL<type>::value)
+#else
+  #define __PYX_IS_UNSIGNED(type) (((type)-1) > 0)
+#endif
+#if CYTHON_COMPILING_IN_PYPY == 1
+  #define __PYX_NEED_TP_PRINT_SLOT  (PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x030A0000)
+#else
+  #define __PYX_NEED_TP_PRINT_SLOT  (PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000)
+#endif
+#define __PYX_REINTERPRET_FUNCION(func_pointer, other_pointer) ((func_pointer)(void(*)(void))(other_pointer))
 
 #ifndef CYTHON_INLINE
   #if defined(__clang__)
@@ -316,26 +597,145 @@ END: Cython Metadata */
   #endif
 #endif
 
-#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
-  #define Py_OptimizeFlag 0
-#endif
 #define __PYX_BUILD_PY_SSIZE_T "n"
 #define CYTHON_FORMAT_SSIZE_T "z"
 #if PY_MAJOR_VERSION < 3
   #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
-          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
   #define __Pyx_DefaultClassType PyClass_Type
+  #define __Pyx_PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #else
   #define __Pyx_BUILTIN_MODULE_NAME "builtins"
-#if PY_VERSION_HEX >= 0x030800A4 && PY_VERSION_HEX < 0x030800B2
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
-          PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+  #define __Pyx_DefaultClassType PyType_Type
+#if CYTHON_COMPILING_IN_LIMITED_API
+    static CYTHON_INLINE PyObject* __Pyx_PyCode_New(int a, int p, int k, int l, int s, int f,
+                                                    PyObject *code, PyObject *c, PyObject* n, PyObject *v,
+                                                    PyObject *fv, PyObject *cell, PyObject* fn,
+                                                    PyObject *name, int fline, PyObject *lnos) {
+        PyObject *exception_table = NULL;
+        PyObject *types_module=NULL, *code_type=NULL, *result=NULL;
+        #if __PYX_LIMITED_VERSION_HEX < 0x030B0000
+        PyObject *version_info;
+        PyObject *py_minor_version = NULL;
+        #endif
+        long minor_version = 0;
+        PyObject *type, *value, *traceback;
+        PyErr_Fetch(&type, &value, &traceback);
+        #if __PYX_LIMITED_VERSION_HEX >= 0x030B0000
+        minor_version = 11;
+        #else
+        if (!(version_info = PySys_GetObject("version_info"))) goto end;
+        if (!(py_minor_version = PySequence_GetItem(version_info, 1))) goto end;
+        minor_version = PyLong_AsLong(py_minor_version);
+        Py_DECREF(py_minor_version);
+        if (minor_version == -1 && PyErr_Occurred()) goto end;
+        #endif
+        if (!(types_module = PyImport_ImportModule("types"))) goto end;
+        if (!(code_type = PyObject_GetAttrString(types_module, "CodeType"))) goto end;
+        if (minor_version <= 7) {
+            (void)p;
+            result = PyObject_CallFunction(code_type, "iiiiiOOOOOOiOO", a, k, l, s, f, code,
+                          c, n, v, fn, name, fline, lnos, fv, cell);
+        } else if (minor_version <= 10) {
+            result = PyObject_CallFunction(code_type, "iiiiiiOOOOOOiOO", a,p, k, l, s, f, code,
+                          c, n, v, fn, name, fline, lnos, fv, cell);
+        } else {
+            if (!(exception_table = PyBytes_FromStringAndSize(NULL, 0))) goto end;
+            result = PyObject_CallFunction(code_type, "iiiiiiOOOOOOOiOO", a,p, k, l, s, f, code,
+                          c, n, v, fn, name, name, fline, lnos, exception_table, fv, cell);
+        }
+    end:
+        Py_XDECREF(code_type);
+        Py_XDECREF(exception_table);
+        Py_XDECREF(types_module);
+        if (type) {
+            PyErr_Restore(type, value, traceback);
+        }
+        return result;
+    }
+    #ifndef CO_OPTIMIZED
+    #define CO_OPTIMIZED 0x0001
+    #endif
+    #ifndef CO_NEWLOCALS
+    #define CO_NEWLOCALS 0x0002
+    #endif
+    #ifndef CO_VARARGS
+    #define CO_VARARGS 0x0004
+    #endif
+    #ifndef CO_VARKEYWORDS
+    #define CO_VARKEYWORDS 0x0008
+    #endif
+    #ifndef CO_ASYNC_GENERATOR
+    #define CO_ASYNC_GENERATOR 0x0200
+    #endif
+    #ifndef CO_GENERATOR
+    #define CO_GENERATOR 0x0020
+    #endif
+    #ifndef CO_COROUTINE
+    #define CO_COROUTINE 0x0080
+    #endif
+#elif PY_VERSION_HEX >= 0x030B0000
+  static CYTHON_INLINE PyCodeObject* __Pyx_PyCode_New(int a, int p, int k, int l, int s, int f,
+                                                    PyObject *code, PyObject *c, PyObject* n, PyObject *v,
+                                                    PyObject *fv, PyObject *cell, PyObject* fn,
+                                                    PyObject *name, int fline, PyObject *lnos) {
+    PyCodeObject *result;
+    PyObject *empty_bytes = PyBytes_FromStringAndSize("", 0);
+    if (!empty_bytes) return NULL;
+    result =
+      #if PY_VERSION_HEX >= 0x030C0000
+        PyUnstable_Code_NewWithPosOnlyArgs
+      #else
+        PyCode_NewWithPosOnlyArgs
+      #endif
+        (a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, name, fline, lnos, empty_bytes);
+    Py_DECREF(empty_bytes);
+    return result;
+  }
+#elif PY_VERSION_HEX >= 0x030800B2 && !CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+          PyCode_NewWithPosOnlyArgs(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #else
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+  #define __Pyx_PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
           PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #endif
-  #define __Pyx_DefaultClassType PyType_Type
+#endif
+#if PY_VERSION_HEX >= 0x030900A4 || defined(Py_IS_TYPE)
+  #define __Pyx_IS_TYPE(ob, type) Py_IS_TYPE(ob, type)
+#else
+  #define __Pyx_IS_TYPE(ob, type) (((const PyObject*)ob)->ob_type == (type))
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_Is)
+  #define __Pyx_Py_Is(x, y)  Py_Is(x, y)
+#else
+  #define __Pyx_Py_Is(x, y) ((x) == (y))
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsNone)
+  #define __Pyx_Py_IsNone(ob) Py_IsNone(ob)
+#else
+  #define __Pyx_Py_IsNone(ob) __Pyx_Py_Is((ob), Py_None)
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsTrue)
+  #define __Pyx_Py_IsTrue(ob) Py_IsTrue(ob)
+#else
+  #define __Pyx_Py_IsTrue(ob) __Pyx_Py_Is((ob), Py_True)
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsFalse)
+  #define __Pyx_Py_IsFalse(ob) Py_IsFalse(ob)
+#else
+  #define __Pyx_Py_IsFalse(ob) __Pyx_Py_Is((ob), Py_False)
+#endif
+#define __Pyx_NoneAsNull(obj)  (__Pyx_Py_IsNone(obj) ? NULL : (obj))
+#if PY_VERSION_HEX >= 0x030900F0 && !CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyObject_GC_IsFinalized(o) PyObject_GC_IsFinalized(o)
+#else
+  #define __Pyx_PyObject_GC_IsFinalized(o) _PyGC_FINALIZED(o)
+#endif
+#ifndef CO_COROUTINE
+  #define CO_COROUTINE 0x80
+#endif
+#ifndef CO_ASYNC_GENERATOR
+  #define CO_ASYNC_GENERATOR 0x200
 #endif
 #ifndef Py_TPFLAGS_CHECKTYPES
   #define Py_TPFLAGS_CHECKTYPES 0
@@ -349,6 +749,12 @@ END: Cython Metadata */
 #ifndef Py_TPFLAGS_HAVE_FINALIZE
   #define Py_TPFLAGS_HAVE_FINALIZE 0
 #endif
+#ifndef Py_TPFLAGS_SEQUENCE
+  #define Py_TPFLAGS_SEQUENCE 0
+#endif
+#ifndef Py_TPFLAGS_MAPPING
+  #define Py_TPFLAGS_MAPPING 0
+#endif
 #ifndef METH_STACKLESS
   #define METH_STACKLESS 0
 #endif
@@ -360,34 +766,89 @@ END: Cython Metadata */
   typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args,
                                                           Py_ssize_t nargs, PyObject *kwnames);
 #else
-  #define __Pyx_PyCFunctionFast _PyCFunctionFast
-  #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords
+  #if PY_VERSION_HEX >= 0x030d00A4
+  #  define __Pyx_PyCFunctionFast PyCFunctionFast
+  #  define __Pyx_PyCFunctionFastWithKeywords PyCFunctionFastWithKeywords
+  #else
+  #  define __Pyx_PyCFunctionFast _PyCFunctionFast
+  #  define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords
+  #endif
+#endif
+#if CYTHON_METH_FASTCALL
+  #define __Pyx_METH_FASTCALL METH_FASTCALL
+  #define __Pyx_PyCFunction_FastCall __Pyx_PyCFunctionFast
+  #define __Pyx_PyCFunction_FastCallWithKeywords __Pyx_PyCFunctionFastWithKeywords
+#else
+  #define __Pyx_METH_FASTCALL METH_VARARGS
+  #define __Pyx_PyCFunction_FastCall PyCFunction
+  #define __Pyx_PyCFunction_FastCallWithKeywords PyCFunctionWithKeywords
+#endif
+#if CYTHON_VECTORCALL
+  #define __pyx_vectorcallfunc vectorcallfunc
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  PY_VECTORCALL_ARGUMENTS_OFFSET
+  #define __Pyx_PyVectorcall_NARGS(n)  PyVectorcall_NARGS((size_t)(n))
+#elif CYTHON_BACKPORT_VECTORCALL
+  typedef PyObject *(*__pyx_vectorcallfunc)(PyObject *callable, PyObject *const *args,
+                                            size_t nargsf, PyObject *kwnames);
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  ((size_t)1 << (8 * sizeof(size_t) - 1))
+  #define __Pyx_PyVectorcall_NARGS(n)  ((Py_ssize_t)(((size_t)(n)) & ~__Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET))
+#else
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  0
+  #define __Pyx_PyVectorcall_NARGS(n)  ((Py_ssize_t)(n))
+#endif
+#if PY_MAJOR_VERSION >= 0x030900B1
+#define __Pyx_PyCFunction_CheckExact(func)  PyCFunction_CheckExact(func)
+#else
+#define __Pyx_PyCFunction_CheckExact(func)  PyCFunction_Check(func)
+#endif
+#define __Pyx_CyOrPyCFunction_Check(func)  PyCFunction_Check(func)
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_CyOrPyCFunction_GET_FUNCTION(func)  (((PyCFunctionObject*)(func))->m_ml->ml_meth)
+#elif !CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_CyOrPyCFunction_GET_FUNCTION(func)  PyCFunction_GET_FUNCTION(func)
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_CyOrPyCFunction_GET_FLAGS(func)  (((PyCFunctionObject*)(func))->m_ml->ml_flags)
+static CYTHON_INLINE PyObject* __Pyx_CyOrPyCFunction_GET_SELF(PyObject *func) {
+    return (__Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_STATIC) ? NULL : ((PyCFunctionObject*)func)->m_self;
+}
+#endif
+static CYTHON_INLINE int __Pyx__IsSameCFunction(PyObject *func, void *cfunc) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    return PyCFunction_Check(func) && PyCFunction_GetFunction(func) == (PyCFunction) cfunc;
+#else
+    return PyCFunction_Check(func) && PyCFunction_GET_FUNCTION(func) == (PyCFunction) cfunc;
 #endif
-#if CYTHON_FAST_PYCCALL
-#define __Pyx_PyFastCFunction_Check(func)\
-    ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS)))))
+}
+#define __Pyx_IsSameCFunction(func, cfunc)   __Pyx__IsSameCFunction(func, cfunc)
+#if __PYX_LIMITED_VERSION_HEX < 0x030900B1
+  #define __Pyx_PyType_FromModuleAndSpec(m, s, b)  ((void)m, PyType_FromSpecWithBases(s, b))
+  typedef PyObject *(*__Pyx_PyCMethod)(PyObject *, PyTypeObject *, PyObject *const *, size_t, PyObject *);
 #else
-#define __Pyx_PyFastCFunction_Check(func) 0
+  #define __Pyx_PyType_FromModuleAndSpec(m, s, b)  PyType_FromModuleAndSpec(m, s, b)
+  #define __Pyx_PyCMethod  PyCMethod
+#endif
+#ifndef METH_METHOD
+  #define METH_METHOD 0x200
 #endif
 #if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc)
   #define PyObject_Malloc(s)   PyMem_Malloc(s)
   #define PyObject_Free(p)     PyMem_Free(p)
   #define PyObject_Realloc(p)  PyMem_Realloc(p)
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1
-  #define PyMem_RawMalloc(n)           PyMem_Malloc(n)
-  #define PyMem_RawRealloc(p, n)       PyMem_Realloc(p, n)
-  #define PyMem_RawFree(p)             PyMem_Free(p)
-#endif
-#if CYTHON_COMPILING_IN_PYSTON
-  #define __Pyx_PyCode_HasFreeVars(co)  PyCode_HasFreeVars(co)
-  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno)
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)
 #else
   #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
   #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
 #endif
-#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyThreadState_Current PyThreadState_Get()
+#elif !CYTHON_FAST_THREAD_STATE
   #define __Pyx_PyThreadState_Current PyThreadState_GET()
+#elif PY_VERSION_HEX >= 0x030d00A1
+  #define __Pyx_PyThreadState_Current PyThreadState_GetUnchecked()
 #elif PY_VERSION_HEX >= 0x03060000
   #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet()
 #elif PY_VERSION_HEX >= 0x03000000
@@ -395,6 +856,22 @@ END: Cython Metadata */
 #else
   #define __Pyx_PyThreadState_Current _PyThreadState_Current
 #endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+static CYTHON_INLINE void *__Pyx_PyModule_GetState(PyObject *op)
+{
+    void *result;
+    result = PyModule_GetState(op);
+    if (!result)
+        Py_FatalError("Couldn't find the module state");
+    return result;
+}
+#endif
+#define __Pyx_PyObject_GetSlot(obj, name, func_ctype)  __Pyx_PyType_GetSlot(Py_TYPE(obj), name, func_ctype)
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyType_GetSlot(type, name, func_ctype)  ((func_ctype) PyType_GetSlot((type), Py_##name))
+#else
+  #define __Pyx_PyType_GetSlot(type, name, func_ctype)  ((type)->name)
+#endif
 #if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT)
 #include "pythread.h"
 #define Py_tss_NEEDS_INIT 0
@@ -425,7 +902,29 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   return PyThread_get_key_value(*key);
 }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized)
+#if PY_MAJOR_VERSION < 3
+    #if CYTHON_COMPILING_IN_PYPY
+        #if PYPY_VERSION_NUM < 0x07030600
+            #if defined(__cplusplus) && __cplusplus >= 201402L
+                [[deprecated("`with nogil:` inside a nogil function will not release the GIL in PyPy2 < 7.3.6")]]
+            #elif defined(__GNUC__) || defined(__clang__)
+                __attribute__ ((__deprecated__("`with nogil:` inside a nogil function will not release the GIL in PyPy2 < 7.3.6")))
+            #elif defined(_MSC_VER)
+                __declspec(deprecated("`with nogil:` inside a nogil function will not release the GIL in PyPy2 < 7.3.6"))
+            #endif
+            static CYTHON_INLINE int PyGILState_Check(void) {
+                return 0;
+            }
+        #else  // PYPY_VERSION_NUM < 0x07030600
+        #endif  // PYPY_VERSION_NUM < 0x07030600
+    #else
+        static CYTHON_INLINE int PyGILState_Check(void) {
+            PyThreadState * tstate = _PyThreadState_Current;
+            return tstate && (tstate == PyGILState_GetThisThreadState());
+        }
+    #endif
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030d0000 || defined(_PyDict_NewPresized)
 #define __Pyx_PyDict_NewPresized(n)  ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n))
 #else
 #define __Pyx_PyDict_NewPresized(n)  PyDict_New()
@@ -437,34 +936,91 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
   #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS
-#define __Pyx_PyDict_GetItemStr(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX > 0x030600B4 && PY_VERSION_HEX < 0x030d0000 && CYTHON_USE_UNICODE_INTERNALS
+#define __Pyx_PyDict_GetItemStrWithError(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
+static CYTHON_INLINE PyObject * __Pyx_PyDict_GetItemStr(PyObject *dict, PyObject *name) {
+    PyObject *res = __Pyx_PyDict_GetItemStrWithError(dict, name);
+    if (res == NULL) PyErr_Clear();
+    return res;
+}
+#elif PY_MAJOR_VERSION >= 3 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07020000)
+#define __Pyx_PyDict_GetItemStrWithError  PyDict_GetItemWithError
+#define __Pyx_PyDict_GetItemStr           PyDict_GetItem
+#else
+static CYTHON_INLINE PyObject * __Pyx_PyDict_GetItemStrWithError(PyObject *dict, PyObject *name) {
+#if CYTHON_COMPILING_IN_PYPY
+    return PyDict_GetItem(dict, name);
+#else
+    PyDictEntry *ep;
+    PyDictObject *mp = (PyDictObject*) dict;
+    long hash = ((PyStringObject *) name)->ob_shash;
+    assert(hash != -1);
+    ep = (mp->ma_lookup)(mp, name, hash);
+    if (ep == NULL) {
+        return NULL;
+    }
+    return ep->me_value;
+#endif
+}
+#define __Pyx_PyDict_GetItemStr           PyDict_GetItem
+#endif
+#if CYTHON_USE_TYPE_SLOTS
+  #define __Pyx_PyType_GetFlags(tp)   (((PyTypeObject *)tp)->tp_flags)
+  #define __Pyx_PyType_HasFeature(type, feature)  ((__Pyx_PyType_GetFlags(type) & (feature)) != 0)
+  #define __Pyx_PyObject_GetIterNextFunc(obj)  (Py_TYPE(obj)->tp_iternext)
+#else
+  #define __Pyx_PyType_GetFlags(tp)   (PyType_GetFlags((PyTypeObject *)tp))
+  #define __Pyx_PyType_HasFeature(type, feature)  PyType_HasFeature(type, feature)
+  #define __Pyx_PyObject_GetIterNextFunc(obj)  PyIter_Next
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_SetItemOnTypeDict(tp, k, v) PyObject_GenericSetAttr((PyObject*)tp, k, v)
 #else
-#define __Pyx_PyDict_GetItemStr(dict, name)  PyDict_GetItem(dict, name)
+  #define __Pyx_SetItemOnTypeDict(tp, k, v) PyDict_SetItem(tp->tp_dict, k, v)
 #endif
-#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
+#if CYTHON_USE_TYPE_SPECS && PY_VERSION_HEX >= 0x03080000
+#define __Pyx_PyHeapTypeObject_GC_Del(obj)  {\
+    PyTypeObject *type = Py_TYPE((PyObject*)obj);\
+    assert(__Pyx_PyType_HasFeature(type, Py_TPFLAGS_HEAPTYPE));\
+    PyObject_GC_Del(obj);\
+    Py_DECREF(type);\
+}
+#else
+#define __Pyx_PyHeapTypeObject_GC_Del(obj)  PyObject_GC_Del(obj)
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
   #define CYTHON_PEP393_ENABLED 1
-  #if defined(PyUnicode_IS_READY)
-  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
-                                              0 : _PyUnicode_Ready((PyObject *)(op)))
-  #else
   #define __Pyx_PyUnicode_READY(op)       (0)
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GetLength(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_ReadChar(u, i)
+  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((void)u, 1114111U)
+  #define __Pyx_PyUnicode_KIND(u)         ((void)u, (0))
+  #define __Pyx_PyUnicode_DATA(u)         ((void*)u)
+  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)k, PyUnicode_ReadChar((PyObject*)(d), i))
+  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GetLength(u))
+#elif PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
+  #define CYTHON_PEP393_ENABLED 1
+  #if PY_VERSION_HEX >= 0x030C0000
+    #define __Pyx_PyUnicode_READY(op)       (0)
+  #else
+    #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
+                                                0 : _PyUnicode_Ready((PyObject *)(op)))
   #endif
   #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
   #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
-  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
+  #define __Pyx_PyUnicode_KIND(u)         ((int)PyUnicode_KIND(u))
   #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
   #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
-  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, ch)
-  #if defined(PyUnicode_IS_READY) && defined(PyUnicode_GET_SIZE)
-  #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03090000
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : ((PyCompactUnicodeObject *)(u))->wstr_length))
-  #else
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
-  #endif
+  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, (Py_UCS4) ch)
+  #if PY_VERSION_HEX >= 0x030C0000
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_LENGTH(u))
   #else
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_LENGTH(u))
+    #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03090000
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : ((PyCompactUnicodeObject *)(u))->wstr_length))
+    #else
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
+    #endif
   #endif
 #else
   #define CYTHON_PEP393_ENABLED 0
@@ -474,11 +1030,11 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_PyUnicode_READY(op)       (0)
   #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
-  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111)
-  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
+  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535U : 1114111U)
+  #define __Pyx_PyUnicode_KIND(u)         ((int)sizeof(Py_UNICODE))
   #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
   #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
-  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = ch)
+  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = (Py_UNICODE) ch)
   #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_SIZE(u))
 #endif
 #if CYTHON_COMPILING_IN_PYPY
@@ -489,14 +1045,20 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\
       PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
 #endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains)
-  #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check)
-  #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format)
-  #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
+#if CYTHON_COMPILING_IN_PYPY
+  #if !defined(PyUnicode_DecodeUnicodeEscape)
+    #define PyUnicode_DecodeUnicodeEscape(s, size, errors)  PyUnicode_Decode(s, size, "unicode_escape", errors)
+  #endif
+  #if !defined(PyUnicode_Contains) || (PY_MAJOR_VERSION == 2 && PYPY_VERSION_NUM < 0x07030500)
+    #undef PyUnicode_Contains
+    #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
+  #endif
+  #if !defined(PyByteArray_Check)
+    #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
+  #endif
+  #if !defined(PyObject_Format)
+    #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
+  #endif
 #endif
 #define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
 #define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
@@ -525,8 +1087,14 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
   #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
 #endif
+#if CYTHON_COMPILING_IN_CPYTHON
+  #define __Pyx_PySequence_ListKeepNew(obj)\
+    (likely(PyList_CheckExact(obj) && Py_REFCNT(obj) == 1) ? __Pyx_NewRef(obj) : PySequence_List(obj))
+#else
+  #define __Pyx_PySequence_ListKeepNew(obj)  PySequence_List(obj)
+#endif
 #ifndef PySet_CheckExact
-  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
+  #define PySet_CheckExact(obj)        __Pyx_IS_TYPE(obj, &PySet_Type)
 #endif
 #if PY_VERSION_HEX >= 0x030900A4
   #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt)
@@ -536,15 +1104,42 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size)
 #endif
 #if CYTHON_ASSUME_SAFE_MACROS
+  #define __Pyx_PySequence_ITEM(o, i) PySequence_ITEM(o, i)
   #define __Pyx_PySequence_SIZE(seq)  Py_SIZE(seq)
+  #define __Pyx_PyTuple_SET_ITEM(o, i, v) (PyTuple_SET_ITEM(o, i, v), (0))
+  #define __Pyx_PyList_SET_ITEM(o, i, v) (PyList_SET_ITEM(o, i, v), (0))
+  #define __Pyx_PyTuple_GET_SIZE(o) PyTuple_GET_SIZE(o)
+  #define __Pyx_PyList_GET_SIZE(o) PyList_GET_SIZE(o)
+  #define __Pyx_PySet_GET_SIZE(o) PySet_GET_SIZE(o)
+  #define __Pyx_PyBytes_GET_SIZE(o) PyBytes_GET_SIZE(o)
+  #define __Pyx_PyByteArray_GET_SIZE(o) PyByteArray_GET_SIZE(o)
 #else
+  #define __Pyx_PySequence_ITEM(o, i) PySequence_GetItem(o, i)
   #define __Pyx_PySequence_SIZE(seq)  PySequence_Size(seq)
+  #define __Pyx_PyTuple_SET_ITEM(o, i, v) PyTuple_SetItem(o, i, v)
+  #define __Pyx_PyList_SET_ITEM(o, i, v) PyList_SetItem(o, i, v)
+  #define __Pyx_PyTuple_GET_SIZE(o) PyTuple_Size(o)
+  #define __Pyx_PyList_GET_SIZE(o) PyList_Size(o)
+  #define __Pyx_PySet_GET_SIZE(o) PySet_Size(o)
+  #define __Pyx_PyBytes_GET_SIZE(o) PyBytes_Size(o)
+  #define __Pyx_PyByteArray_GET_SIZE(o) PyByteArray_Size(o)
+#endif
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d00A1
+  #define __Pyx_PyImport_AddModuleRef(name) PyImport_AddModuleRef(name)
+#else
+  static CYTHON_INLINE PyObject *__Pyx_PyImport_AddModuleRef(const char *name) {
+      PyObject *module = PyImport_AddModule(name);
+      Py_XINCREF(module);
+      return module;
+  }
 #endif
 #if PY_MAJOR_VERSION >= 3
   #define PyIntObject                  PyLongObject
   #define PyInt_Type                   PyLong_Type
   #define PyInt_Check(op)              PyLong_Check(op)
   #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
+  #define __Pyx_Py3Int_Check(op)       PyLong_Check(op)
+  #define __Pyx_Py3Int_CheckExact(op)  PyLong_CheckExact(op)
   #define PyInt_FromString             PyLong_FromString
   #define PyInt_FromUnicode            PyLong_FromUnicode
   #define PyInt_FromLong               PyLong_FromLong
@@ -556,6 +1151,9 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
   #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
   #define PyNumber_Int                 PyNumber_Long
+#else
+  #define __Pyx_Py3Int_Check(op)       (PyLong_Check(op) || PyInt_Check(op))
+  #define __Pyx_Py3Int_CheckExact(op)  (PyLong_CheckExact(op) || PyInt_CheckExact(op))
 #endif
 #if PY_MAJOR_VERSION >= 3
   #define PyBoolObject                 PyLongObject
@@ -568,15 +1166,10 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
 #if PY_VERSION_HEX < 0x030200A4
   typedef long Py_hash_t;
   #define __Pyx_PyInt_FromHash_t PyInt_FromLong
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
+  #define __Pyx_PyInt_AsHash_t   __Pyx_PyIndex_AsHash_t
 #else
   #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func))
-#else
-  #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
+  #define __Pyx_PyInt_AsHash_t   __Pyx_PyIndex_AsSsize_t
 #endif
 #if CYTHON_USE_ASYNC_SLOTS
   #if PY_VERSION_HEX >= 0x030500B1
@@ -596,8 +1189,10 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
     } __Pyx_PyAsyncMethodsStruct;
 #endif
 
-#if defined(WIN32) || defined(MS_WINDOWS)
-  #define _USE_MATH_DEFINES
+#if defined(_WIN32) || defined(WIN32) || defined(MS_WINDOWS)
+  #if !defined(_USE_MATH_DEFINES)
+    #define _USE_MATH_DEFINES
+  #endif
 #endif
 #include <math.h>
 #ifdef NAN
@@ -616,11 +1211,20 @@ static CYTHON_INLINE float __PYX_NAN() {
 #endif
 
 #define __PYX_MARK_ERR_POS(f_index, lineno) \
-    { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; }
+    { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__;  (void)__pyx_clineno; }
 #define __PYX_ERR(f_index, lineno, Ln_error) \
     { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; }
 
-#ifndef __PYX_EXTERN_C
+#ifdef CYTHON_EXTERN_C
+    #undef __PYX_EXTERN_C
+    #define __PYX_EXTERN_C CYTHON_EXTERN_C
+#elif defined(__PYX_EXTERN_C)
+    #ifdef _MSC_VER
+    #pragma message ("Please do not define the '__PYX_EXTERN_C' macro externally. Use 'CYTHON_EXTERN_C' instead.")
+    #else
+    #warning Please do not define the '__PYX_EXTERN_C' macro externally. Use 'CYTHON_EXTERN_C' instead.
+    #endif
+#else
   #ifdef __cplusplus
     #define __PYX_EXTERN_C extern "C"
   #else
@@ -634,8 +1238,6 @@ static CYTHON_INLINE float __PYX_NAN() {
 #include "pythread.h"
 #include <string.h>
 #include <stdlib.h>
-#include <stdio.h>
-#include "pystate.h"
 #ifdef _OPENMP
 #include <omp.h>
 #endif /* _OPENMP */
@@ -684,9 +1286,10 @@ static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) {
 #else
     #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
 #endif
+static CYTHON_INLINE Py_ssize_t __Pyx_ssize_strlen(const char *s);
 static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*);
 static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
-#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
+static CYTHON_INLINE PyObject* __Pyx_PyByteArray_FromString(const char*);
 #define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
 #define __Pyx_PyBytes_FromString        PyBytes_FromString
 #define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
@@ -704,9 +1307,9 @@ static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
 #define __Pyx_PyBytes_AsString(s)     ((const char*) PyBytes_AS_STRING(s))
 #define __Pyx_PyBytes_AsSString(s)    ((const signed char*) PyBytes_AS_STRING(s))
 #define __Pyx_PyBytes_AsUString(s)    ((const unsigned char*) PyBytes_AS_STRING(s))
-#define __Pyx_PyObject_AsWritableString(s)    ((char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableString(s)    ((char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
 #define __Pyx_PyObject_AsSString(s)    ((const signed char*) __Pyx_PyObject_AsString(s))
 #define __Pyx_PyObject_AsUString(s)    ((const unsigned char*) __Pyx_PyObject_AsString(s))
 #define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
@@ -714,13 +1317,7 @@ static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
 #define __Pyx_PyByteArray_FromCString(s)   __Pyx_PyByteArray_FromString((const char*)s)
 #define __Pyx_PyStr_FromCString(s)     __Pyx_PyStr_FromString((const char*)s)
 #define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
-static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) {
-    const Py_UNICODE *u_end = u;
-    while (*u_end++) ;
-    return (size_t)(u_end - u - 1);
-}
-#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
-#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
+#define __Pyx_PyUnicode_FromOrdinal(o)       PyUnicode_FromOrdinal((int)o)
 #define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
 #define __Pyx_NewRef(obj) (Py_INCREF(obj), obj)
 #define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None)
@@ -732,6 +1329,7 @@ static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x);
     (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj))
 static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
 static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
+static CYTHON_INLINE Py_hash_t __Pyx_PyIndex_AsHash_t(PyObject*);
 #if CYTHON_ASSUME_SAFE_MACROS
 #define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
 #else
@@ -743,8 +1341,54 @@ static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
 #else
 #define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x))
 #endif
-#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x))
+#if CYTHON_USE_PYLONG_INTERNALS
+  #if PY_VERSION_HEX >= 0x030C00A7
+  #ifndef _PyLong_SIGN_MASK
+    #define _PyLong_SIGN_MASK 3
+  #endif
+  #ifndef _PyLong_NON_SIZE_BITS
+    #define _PyLong_NON_SIZE_BITS 3
+  #endif
+  #define __Pyx_PyLong_Sign(x)  (((PyLongObject*)x)->long_value.lv_tag & _PyLong_SIGN_MASK)
+  #define __Pyx_PyLong_IsNeg(x)  ((__Pyx_PyLong_Sign(x) & 2) != 0)
+  #define __Pyx_PyLong_IsNonNeg(x)  (!__Pyx_PyLong_IsNeg(x))
+  #define __Pyx_PyLong_IsZero(x)  (__Pyx_PyLong_Sign(x) & 1)
+  #define __Pyx_PyLong_IsPos(x)  (__Pyx_PyLong_Sign(x) == 0)
+  #define __Pyx_PyLong_CompactValueUnsigned(x)  (__Pyx_PyLong_Digits(x)[0])
+  #define __Pyx_PyLong_DigitCount(x)  ((Py_ssize_t) (((PyLongObject*)x)->long_value.lv_tag >> _PyLong_NON_SIZE_BITS))
+  #define __Pyx_PyLong_SignedDigitCount(x)\
+        ((1 - (Py_ssize_t) __Pyx_PyLong_Sign(x)) * __Pyx_PyLong_DigitCount(x))
+  #if defined(PyUnstable_Long_IsCompact) && defined(PyUnstable_Long_CompactValue)
+    #define __Pyx_PyLong_IsCompact(x)     PyUnstable_Long_IsCompact((PyLongObject*) x)
+    #define __Pyx_PyLong_CompactValue(x)  PyUnstable_Long_CompactValue((PyLongObject*) x)
+  #else
+    #define __Pyx_PyLong_IsCompact(x)     (((PyLongObject*)x)->long_value.lv_tag < (2 << _PyLong_NON_SIZE_BITS))
+    #define __Pyx_PyLong_CompactValue(x)  ((1 - (Py_ssize_t) __Pyx_PyLong_Sign(x)) * (Py_ssize_t) __Pyx_PyLong_Digits(x)[0])
+  #endif
+  typedef Py_ssize_t  __Pyx_compact_pylong;
+  typedef size_t  __Pyx_compact_upylong;
+  #else
+  #define __Pyx_PyLong_IsNeg(x)  (Py_SIZE(x) < 0)
+  #define __Pyx_PyLong_IsNonNeg(x)  (Py_SIZE(x) >= 0)
+  #define __Pyx_PyLong_IsZero(x)  (Py_SIZE(x) == 0)
+  #define __Pyx_PyLong_IsPos(x)  (Py_SIZE(x) > 0)
+  #define __Pyx_PyLong_CompactValueUnsigned(x)  ((Py_SIZE(x) == 0) ? 0 : __Pyx_PyLong_Digits(x)[0])
+  #define __Pyx_PyLong_DigitCount(x)  __Pyx_sst_abs(Py_SIZE(x))
+  #define __Pyx_PyLong_SignedDigitCount(x)  Py_SIZE(x)
+  #define __Pyx_PyLong_IsCompact(x)  (Py_SIZE(x) == 0 || Py_SIZE(x) == 1 || Py_SIZE(x) == -1)
+  #define __Pyx_PyLong_CompactValue(x)\
+        ((Py_SIZE(x) == 0) ? (sdigit) 0 : ((Py_SIZE(x) < 0) ? -(sdigit)__Pyx_PyLong_Digits(x)[0] : (sdigit)__Pyx_PyLong_Digits(x)[0]))
+  typedef sdigit  __Pyx_compact_pylong;
+  typedef digit  __Pyx_compact_upylong;
+  #endif
+  #if PY_VERSION_HEX >= 0x030C00A5
+  #define __Pyx_PyLong_Digits(x)  (((PyLongObject*)x)->long_value.ob_digit)
+  #else
+  #define __Pyx_PyLong_Digits(x)  (((PyLongObject*)x)->ob_digit)
+  #endif
+#endif
 #if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+#include <string.h>
 static int __Pyx_sys_getdefaultencoding_not_ascii;
 static int __Pyx_init_sys_getdefaultencoding_params(void) {
     PyObject* sys;
@@ -765,7 +1409,7 @@ static int __Pyx_init_sys_getdefaultencoding_params(void) {
         char ascii_chars[128];
         int c;
         for (c = 0; c < 128; c++) {
-            ascii_chars[c] = c;
+            ascii_chars[c] = (char) c;
         }
         __Pyx_sys_getdefaultencoding_not_ascii = 1;
         ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
@@ -795,6 +1439,7 @@ bad:
 #else
 #define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
 #if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
+#include <string.h>
 static char* __PYX_DEFAULT_STRING_ENCODING;
 static int __Pyx_init_sys_getdefaultencoding_params(void) {
     PyObject* sys;
@@ -830,83 +1475,21 @@ bad:
 #endif /* __GNUC__ */
 static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; }
 
+#if !CYTHON_USE_MODULE_STATE
 static PyObject *__pyx_m = NULL;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_cython_runtime = NULL;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static PyObject *__pyx_empty_unicode;
+#endif
 static int __pyx_lineno;
 static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
+static const char * __pyx_cfilenm = __FILE__;
 static const char *__pyx_filename;
 
+/* #### Code section: filename_table ### */
 
 static const char *__pyx_f[] = {
   "fastXPCS/cython/fxpcs_sparse.pyx",
-  "stringsource",
+  "<stringsource>",
 };
-/* MemviewSliceStruct.proto */
-struct __pyx_memoryview_obj;
-typedef struct {
-  struct __pyx_memoryview_obj *memview;
-  char *data;
-  Py_ssize_t shape[8];
-  Py_ssize_t strides[8];
-  Py_ssize_t suboffsets[8];
-} __Pyx_memviewslice;
-#define __Pyx_MemoryView_Len(m)  (m.shape[0])
-
-/* Atomics.proto */
-#include <pythread.h>
-#ifndef CYTHON_ATOMICS
-    #define CYTHON_ATOMICS 1
-#endif
-#define __pyx_atomic_int_type int
-#if CYTHON_ATOMICS && __GNUC__ >= 4 && (__GNUC_MINOR__ > 1 ||\
-                    (__GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL >= 2)) &&\
-                    !defined(__i386__)
-    #define __pyx_atomic_incr_aligned(value, lock) __sync_fetch_and_add(value, 1)
-    #define __pyx_atomic_decr_aligned(value, lock) __sync_fetch_and_sub(value, 1)
-    #ifdef __PYX_DEBUG_ATOMICS
-        #warning "Using GNU atomics"
-    #endif
-#elif CYTHON_ATOMICS && defined(_MSC_VER) && 0
-    #include <Windows.h>
-    #undef __pyx_atomic_int_type
-    #define __pyx_atomic_int_type LONG
-    #define __pyx_atomic_incr_aligned(value, lock) InterlockedIncrement(value)
-    #define __pyx_atomic_decr_aligned(value, lock) InterlockedDecrement(value)
-    #ifdef __PYX_DEBUG_ATOMICS
-        #pragma message ("Using MSVC atomics")
-    #endif
-#elif CYTHON_ATOMICS && (defined(__ICC) || defined(__INTEL_COMPILER)) && 0
-    #define __pyx_atomic_incr_aligned(value, lock) _InterlockedIncrement(value)
-    #define __pyx_atomic_decr_aligned(value, lock) _InterlockedDecrement(value)
-    #ifdef __PYX_DEBUG_ATOMICS
-        #warning "Using Intel atomics"
-    #endif
-#else
-    #undef CYTHON_ATOMICS
-    #define CYTHON_ATOMICS 0
-    #ifdef __PYX_DEBUG_ATOMICS
-        #warning "Not using atomics"
-    #endif
-#endif
-typedef volatile __pyx_atomic_int_type __pyx_atomic_int;
-#if CYTHON_ATOMICS
-    #define __pyx_add_acquisition_count(memview)\
-             __pyx_atomic_incr_aligned(__pyx_get_slice_count_pointer(memview), memview->lock)
-    #define __pyx_sub_acquisition_count(memview)\
-            __pyx_atomic_decr_aligned(__pyx_get_slice_count_pointer(memview), memview->lock)
-#else
-    #define __pyx_add_acquisition_count(memview)\
-            __pyx_add_acquisition_count_locked(__pyx_get_slice_count_pointer(memview), memview->lock)
-    #define __pyx_sub_acquisition_count(memview)\
-            __pyx_sub_acquisition_count_locked(__pyx_get_slice_count_pointer(memview), memview->lock)
-#endif
-
+/* #### Code section: utility_code_proto_before_types ### */
 /* ForceInitThreads.proto */
 #ifndef __PYX_FORCE_INIT_THREADS
   #define __PYX_FORCE_INIT_THREADS 0
@@ -920,7 +1503,6 @@ typedef volatile __pyx_atomic_int_type __pyx_atomic_int;
 #define __Pyx_FastGilFuncInit()
 
 /* BufferFormatStructs.proto */
-#define IS_UNSIGNED(type) (((type) -1) > 0)
 struct __Pyx_StructField_;
 #define __PYX_BUF_FLAGS_PACKED_STRUCT (1 << 0)
 typedef struct {
@@ -955,6 +1537,103 @@ typedef struct {
   char is_valid_array;
 } __Pyx_BufFmt_Context;
 
+/* Atomics.proto */
+#include <pythread.h>
+#ifndef CYTHON_ATOMICS
+    #define CYTHON_ATOMICS 1
+#endif
+#define __PYX_CYTHON_ATOMICS_ENABLED() CYTHON_ATOMICS
+#define __pyx_atomic_int_type int
+#define __pyx_nonatomic_int_type int
+#if CYTHON_ATOMICS && (defined(__STDC_VERSION__) &&\
+                        (__STDC_VERSION__ >= 201112L) &&\
+                        !defined(__STDC_NO_ATOMICS__))
+    #include <stdatomic.h>
+#elif CYTHON_ATOMICS && (defined(__cplusplus) && (\
+                    (__cplusplus >= 201103L) ||\
+                    (defined(_MSC_VER) && _MSC_VER >= 1700)))
+    #include <atomic>
+#endif
+#if CYTHON_ATOMICS && (defined(__STDC_VERSION__) &&\
+                        (__STDC_VERSION__ >= 201112L) &&\
+                        !defined(__STDC_NO_ATOMICS__) &&\
+                       ATOMIC_INT_LOCK_FREE == 2)
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type atomic_int
+    #define __pyx_atomic_incr_aligned(value) atomic_fetch_add_explicit(value, 1, memory_order_relaxed)
+    #define __pyx_atomic_decr_aligned(value) atomic_fetch_sub_explicit(value, 1, memory_order_acq_rel)
+    #if defined(__PYX_DEBUG_ATOMICS) && defined(_MSC_VER)
+        #pragma message ("Using standard C atomics")
+    #elif defined(__PYX_DEBUG_ATOMICS)
+        #warning "Using standard C atomics"
+    #endif
+#elif CYTHON_ATOMICS && (defined(__cplusplus) && (\
+                    (__cplusplus >= 201103L) ||\
+\
+                    (defined(_MSC_VER) && _MSC_VER >= 1700)) &&\
+                    ATOMIC_INT_LOCK_FREE == 2)
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type std::atomic_int
+    #define __pyx_atomic_incr_aligned(value) std::atomic_fetch_add_explicit(value, 1, std::memory_order_relaxed)
+    #define __pyx_atomic_decr_aligned(value) std::atomic_fetch_sub_explicit(value, 1, std::memory_order_acq_rel)
+    #if defined(__PYX_DEBUG_ATOMICS) && defined(_MSC_VER)
+        #pragma message ("Using standard C++ atomics")
+    #elif defined(__PYX_DEBUG_ATOMICS)
+        #warning "Using standard C++ atomics"
+    #endif
+#elif CYTHON_ATOMICS && (__GNUC__ >= 5 || (__GNUC__ == 4 &&\
+                    (__GNUC_MINOR__ > 1 ||\
+                    (__GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ >= 2))))
+    #define __pyx_atomic_incr_aligned(value) __sync_fetch_and_add(value, 1)
+    #define __pyx_atomic_decr_aligned(value) __sync_fetch_and_sub(value, 1)
+    #ifdef __PYX_DEBUG_ATOMICS
+        #warning "Using GNU atomics"
+    #endif
+#elif CYTHON_ATOMICS && defined(_MSC_VER)
+    #include <intrin.h>
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type long
+    #undef __pyx_nonatomic_int_type
+    #define __pyx_nonatomic_int_type long
+    #pragma intrinsic (_InterlockedExchangeAdd)
+    #define __pyx_atomic_incr_aligned(value) _InterlockedExchangeAdd(value, 1)
+    #define __pyx_atomic_decr_aligned(value) _InterlockedExchangeAdd(value, -1)
+    #ifdef __PYX_DEBUG_ATOMICS
+        #pragma message ("Using MSVC atomics")
+    #endif
+#else
+    #undef CYTHON_ATOMICS
+    #define CYTHON_ATOMICS 0
+    #ifdef __PYX_DEBUG_ATOMICS
+        #warning "Not using atomics"
+    #endif
+#endif
+#if CYTHON_ATOMICS
+    #define __pyx_add_acquisition_count(memview)\
+             __pyx_atomic_incr_aligned(__pyx_get_slice_count_pointer(memview))
+    #define __pyx_sub_acquisition_count(memview)\
+            __pyx_atomic_decr_aligned(__pyx_get_slice_count_pointer(memview))
+#else
+    #define __pyx_add_acquisition_count(memview)\
+            __pyx_add_acquisition_count_locked(__pyx_get_slice_count_pointer(memview), memview->lock)
+    #define __pyx_sub_acquisition_count(memview)\
+            __pyx_sub_acquisition_count_locked(__pyx_get_slice_count_pointer(memview), memview->lock)
+#endif
+
+/* MemviewSliceStruct.proto */
+struct __pyx_memoryview_obj;
+typedef struct {
+  struct __pyx_memoryview_obj *memview;
+  char *data;
+  Py_ssize_t shape[8];
+  Py_ssize_t strides[8];
+  Py_ssize_t suboffsets[8];
+} __Pyx_memviewslice;
+#define __Pyx_MemoryView_Len(m)  (m.shape[0])
+
+/* #### Code section: numeric_typedefs ### */
+/* #### Code section: complex_type_declarations ### */
+/* #### Code section: type_declarations ### */
 
 /*--- Type declarations ---*/
 struct __pyx_array_obj;
@@ -962,8 +1641,8 @@ struct __pyx_MemviewEnum_obj;
 struct __pyx_memoryview_obj;
 struct __pyx_memoryviewslice_obj;
 
-/* "View.MemoryView":105
- * 
+/* "View.MemoryView":114
+ * @cython.collection_type("sequence")
  * @cname("__pyx_array")
  * cdef class array:             # <<<<<<<<<<<<<<
  * 
@@ -987,7 +1666,7 @@ struct __pyx_array_obj {
 };
 
 
-/* "View.MemoryView":279
+/* "View.MemoryView":302
  * 
  * @cname('__pyx_MemviewEnum')
  * cdef class Enum(object):             # <<<<<<<<<<<<<<
@@ -1000,10 +1679,10 @@ struct __pyx_MemviewEnum_obj {
 };
 
 
-/* "View.MemoryView":330
+/* "View.MemoryView":337
  * 
  * @cname('__pyx_memoryview')
- * cdef class memoryview(object):             # <<<<<<<<<<<<<<
+ * cdef class memoryview:             # <<<<<<<<<<<<<<
  * 
  *     cdef object obj
  */
@@ -1014,8 +1693,7 @@ struct __pyx_memoryview_obj {
   PyObject *_size;
   PyObject *_array_interface;
   PyThread_type_lock lock;
-  __pyx_atomic_int acquisition_count[2];
-  __pyx_atomic_int *acquisition_count_aligned_p;
+  __pyx_atomic_int_type acquisition_count;
   Py_buffer view;
   int flags;
   int dtype_is_object;
@@ -1023,8 +1701,8 @@ struct __pyx_memoryview_obj {
 };
 
 
-/* "View.MemoryView":965
- * 
+/* "View.MemoryView":952
+ * @cython.collection_type("sequence")
  * @cname('__pyx_memoryviewslice')
  * cdef class _memoryviewslice(memoryview):             # <<<<<<<<<<<<<<
  *     "Internal class for passing memoryview slices to Python"
@@ -1040,8 +1718,8 @@ struct __pyx_memoryviewslice_obj {
 
 
 
-/* "View.MemoryView":105
- * 
+/* "View.MemoryView":114
+ * @cython.collection_type("sequence")
  * @cname("__pyx_array")
  * cdef class array:             # <<<<<<<<<<<<<<
  * 
@@ -1054,10 +1732,10 @@ struct __pyx_vtabstruct_array {
 static struct __pyx_vtabstruct_array *__pyx_vtabptr_array;
 
 
-/* "View.MemoryView":330
+/* "View.MemoryView":337
  * 
  * @cname('__pyx_memoryview')
- * cdef class memoryview(object):             # <<<<<<<<<<<<<<
+ * cdef class memoryview:             # <<<<<<<<<<<<<<
  * 
  *     cdef object obj
  */
@@ -1070,12 +1748,13 @@ struct __pyx_vtabstruct_memoryview {
   PyObject *(*setitem_indexed)(struct __pyx_memoryview_obj *, PyObject *, PyObject *);
   PyObject *(*convert_item_to_object)(struct __pyx_memoryview_obj *, char *);
   PyObject *(*assign_item_from_object)(struct __pyx_memoryview_obj *, char *, PyObject *);
+  PyObject *(*_get_base)(struct __pyx_memoryview_obj *);
 };
 static struct __pyx_vtabstruct_memoryview *__pyx_vtabptr_memoryview;
 
 
-/* "View.MemoryView":965
- * 
+/* "View.MemoryView":952
+ * @cython.collection_type("sequence")
  * @cname('__pyx_memoryviewslice')
  * cdef class _memoryviewslice(memoryview):             # <<<<<<<<<<<<<<
  *     "Internal class for passing memoryview slices to Python"
@@ -1086,6 +1765,7 @@ struct __pyx_vtabstruct__memoryviewslice {
   struct __pyx_vtabstruct_memoryview __pyx_base;
 };
 static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
+/* #### Code section: utility_code_proto ### */
 
 /* --- Runtime support code (head) --- */
 /* Refnanny.proto */
@@ -1094,11 +1774,11 @@ static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
 #endif
 #if CYTHON_REFNANNY
   typedef struct {
-    void (*INCREF)(void*, PyObject*, int);
-    void (*DECREF)(void*, PyObject*, int);
-    void (*GOTREF)(void*, PyObject*, int);
-    void (*GIVEREF)(void*, PyObject*, int);
-    void* (*SetupContext)(const char*, int, const char*);
+    void (*INCREF)(void*, PyObject*, Py_ssize_t);
+    void (*DECREF)(void*, PyObject*, Py_ssize_t);
+    void (*GOTREF)(void*, PyObject*, Py_ssize_t);
+    void (*GIVEREF)(void*, PyObject*, Py_ssize_t);
+    void* (*SetupContext)(const char*, Py_ssize_t, const char*);
     void (*FinishContext)(void**);
   } __Pyx_RefNannyAPIStruct;
   static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL;
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               PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
-              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), (__LINE__), (__FILE__));\
               PyGILState_Release(__pyx_gilstate_save);\
           } else {\
-              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), (__LINE__), (__FILE__));\
+          }
+  #define __Pyx_RefNannyFinishContextNogil() {\
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
+              __Pyx_RefNannyFinishContext();\
+              PyGILState_Release(__pyx_gilstate_save);\
           }
 #else
   #define __Pyx_RefNannySetupContext(name, acquire_gil)\
-          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__)
+          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), (__LINE__), (__FILE__))
+  #define __Pyx_RefNannyFinishContextNogil() __Pyx_RefNannyFinishContext()
 #endif
+  #define __Pyx_RefNannyFinishContextNogil() {\
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
+              __Pyx_RefNannyFinishContext();\
+              PyGILState_Release(__pyx_gilstate_save);\
+          }
   #define __Pyx_RefNannyFinishContext()\
           __Pyx_RefNanny->FinishContext(&__pyx_refnanny)
-  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
-  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
-  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
-  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
-  #define __Pyx_XINCREF(r)  do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0)
-  #define __Pyx_XDECREF(r)  do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0)
-  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
-  #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0)
+  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_XINCREF(r)  do { if((r) == NULL); else {__Pyx_INCREF(r); }} while(0)
+  #define __Pyx_XDECREF(r)  do { if((r) == NULL); else {__Pyx_DECREF(r); }} while(0)
+  #define __Pyx_XGOTREF(r)  do { if((r) == NULL); else {__Pyx_GOTREF(r); }} while(0)
+  #define __Pyx_XGIVEREF(r) do { if((r) == NULL); else {__Pyx_GIVEREF(r);}} while(0)
 #else
   #define __Pyx_RefNannyDeclarations
   #define __Pyx_RefNannySetupContext(name, acquire_gil)
+  #define __Pyx_RefNannyFinishContextNogil()
   #define __Pyx_RefNannyFinishContext()
   #define __Pyx_INCREF(r) Py_INCREF(r)
   #define __Pyx_DECREF(r) Py_DECREF(r)
@@ -1140,6 +1832,10 @@ static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
   #define __Pyx_XGOTREF(r)
   #define __Pyx_XGIVEREF(r)
 #endif
+#define __Pyx_Py_XDECREF_SET(r, v) do {\
+        PyObject *tmp = (PyObject *) r;\
+        r = v; Py_XDECREF(tmp);\
+    } while (0)
 #define __Pyx_XDECREF_SET(r, v) do {\
         PyObject *tmp = (PyObject *) r;\
         r = v; __Pyx_XDECREF(tmp);\
@@ -1151,6 +1847,57 @@ static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
 #define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
 #define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
 
+/* PyErrExceptionMatches.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err)
+static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err);
+#else
+#define __Pyx_PyErr_ExceptionMatches(err)  PyErr_ExceptionMatches(err)
+#endif
+
+/* PyThreadStateGet.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
+#define __Pyx_PyThreadState_assign  __pyx_tstate = __Pyx_PyThreadState_Current;
+#if PY_VERSION_HEX >= 0x030C00A6
+#define __Pyx_PyErr_Occurred()  (__pyx_tstate->current_exception != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  (__pyx_tstate->current_exception ? (PyObject*) Py_TYPE(__pyx_tstate->current_exception) : (PyObject*) NULL)
+#else
+#define __Pyx_PyErr_Occurred()  (__pyx_tstate->curexc_type != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  (__pyx_tstate->curexc_type)
+#endif
+#else
+#define __Pyx_PyThreadState_declare
+#define __Pyx_PyThreadState_assign
+#define __Pyx_PyErr_Occurred()  (PyErr_Occurred() != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  PyErr_Occurred()
+#endif
+
+/* PyErrFetchRestore.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL)
+#define __Pyx_ErrRestoreWithState(type, value, tb)  __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb)
+#define __Pyx_ErrFetchWithState(type, value, tb)    __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb)
+#define __Pyx_ErrRestore(type, value, tb)  __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb)
+#define __Pyx_ErrFetch(type, value, tb)    __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb)
+static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
+static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A6
+#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL))
+#else
+#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
+#endif
+#else
+#define __Pyx_PyErr_Clear() PyErr_Clear()
+#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
+#define __Pyx_ErrRestoreWithState(type, value, tb)  PyErr_Restore(type, value, tb)
+#define __Pyx_ErrFetchWithState(type, value, tb)  PyErr_Fetch(type, value, tb)
+#define __Pyx_ErrRestoreInState(tstate, type, value, tb)  PyErr_Restore(type, value, tb)
+#define __Pyx_ErrFetchInState(tstate, type, value, tb)  PyErr_Fetch(type, value, tb)
+#define __Pyx_ErrRestore(type, value, tb)  PyErr_Restore(type, value, tb)
+#define __Pyx_ErrFetch(type, value, tb)  PyErr_Fetch(type, value, tb)
+#endif
+
 /* PyObjectGetAttrStr.proto */
 #if CYTHON_USE_TYPE_SLOTS
 static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name);
@@ -1158,106 +1905,76 @@ static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject
 #define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
 #endif
 
+/* PyObjectGetAttrStrNoError.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name);
+
 /* GetBuiltinName.proto */
 static PyObject *__Pyx_GetBuiltinName(PyObject *name);
 
-/* ListAppend.proto */
-#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
-static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
-    PyListObject* L = (PyListObject*) list;
-    Py_ssize_t len = Py_SIZE(list);
-    if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) {
-        Py_INCREF(x);
-        PyList_SET_ITEM(list, len, x);
-        __Pyx_SET_SIZE(list, len + 1);
-        return 0;
-    }
-    return PyList_Append(list, x);
-}
-#else
-#define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
+/* TupleAndListFromArray.proto */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyList_FromArray(PyObject *const *src, Py_ssize_t n);
+static CYTHON_INLINE PyObject* __Pyx_PyTuple_FromArray(PyObject *const *src, Py_ssize_t n);
 #endif
 
-/* PyDictVersioning.proto */
-#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
-#define __PYX_DICT_VERSION_INIT  ((PY_UINT64_T) -1)
-#define __PYX_GET_DICT_VERSION(dict)  (((PyDictObject*)(dict))->ma_version_tag)
-#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\
-    (version_var) = __PYX_GET_DICT_VERSION(dict);\
-    (cache_var) = (value);
-#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\
-    static PY_UINT64_T __pyx_dict_version = 0;\
-    static PyObject *__pyx_dict_cached_value = NULL;\
-    if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\
-        (VAR) = __pyx_dict_cached_value;\
-    } else {\
-        (VAR) = __pyx_dict_cached_value = (LOOKUP);\
-        __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\
-    }\
-}
-static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj);
-static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj);
-static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version);
-#else
-#define __PYX_GET_DICT_VERSION(dict)  (0)
-#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)
-#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP)  (VAR) = (LOOKUP);
-#endif
+/* IncludeStringH.proto */
+#include <string.h>
 
-/* GetModuleGlobalName.proto */
-#if CYTHON_USE_DICT_VERSIONS
-#define __Pyx_GetModuleGlobalName(var, name)  {\
-    static PY_UINT64_T __pyx_dict_version = 0;\
-    static PyObject *__pyx_dict_cached_value = NULL;\
-    (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\
-        (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\
-        __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
-}
-#define __Pyx_GetModuleGlobalNameUncached(var, name)  {\
-    PY_UINT64_T __pyx_dict_version;\
-    PyObject *__pyx_dict_cached_value;\
-    (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
-}
-static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value);
+/* BytesEquals.proto */
+static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals);
+
+/* UnicodeEquals.proto */
+static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals);
+
+/* fastcall.proto */
+#if CYTHON_AVOID_BORROWED_REFS
+    #define __Pyx_Arg_VARARGS(args, i) PySequence_GetItem(args, i)
+#elif CYTHON_ASSUME_SAFE_MACROS
+    #define __Pyx_Arg_VARARGS(args, i) PyTuple_GET_ITEM(args, i)
 #else
-#define __Pyx_GetModuleGlobalName(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
-#define __Pyx_GetModuleGlobalNameUncached(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
-static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name);
+    #define __Pyx_Arg_VARARGS(args, i) PyTuple_GetItem(args, i)
 #endif
-
-/* PyObjectCall.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
+#if CYTHON_AVOID_BORROWED_REFS
+    #define __Pyx_Arg_NewRef_VARARGS(arg) __Pyx_NewRef(arg)
+    #define __Pyx_Arg_XDECREF_VARARGS(arg) Py_XDECREF(arg)
 #else
-#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
+    #define __Pyx_Arg_NewRef_VARARGS(arg) arg
+    #define __Pyx_Arg_XDECREF_VARARGS(arg)
+#endif
+#define __Pyx_NumKwargs_VARARGS(kwds) PyDict_Size(kwds)
+#define __Pyx_KwValues_VARARGS(args, nargs) NULL
+#define __Pyx_GetKwValue_VARARGS(kw, kwvalues, s) __Pyx_PyDict_GetItemStrWithError(kw, s)
+#define __Pyx_KwargsAsDict_VARARGS(kw, kwvalues) PyDict_Copy(kw)
+#if CYTHON_METH_FASTCALL
+    #define __Pyx_Arg_FASTCALL(args, i) args[i]
+    #define __Pyx_NumKwargs_FASTCALL(kwds) PyTuple_GET_SIZE(kwds)
+    #define __Pyx_KwValues_FASTCALL(args, nargs) ((args) + (nargs))
+    static CYTHON_INLINE PyObject * __Pyx_GetKwValue_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues, PyObject *s);
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000
+    CYTHON_UNUSED static PyObject *__Pyx_KwargsAsDict_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues);
+  #else
+    #define __Pyx_KwargsAsDict_FASTCALL(kw, kwvalues) _PyStack_AsDict(kwvalues, kw)
+  #endif
+    #define __Pyx_Arg_NewRef_FASTCALL(arg) arg  /* no-op, __Pyx_Arg_FASTCALL is direct and this needs
+                                                   to have the same reference counting */
+    #define __Pyx_Arg_XDECREF_FASTCALL(arg)
+#else
+    #define __Pyx_Arg_FASTCALL __Pyx_Arg_VARARGS
+    #define __Pyx_NumKwargs_FASTCALL __Pyx_NumKwargs_VARARGS
+    #define __Pyx_KwValues_FASTCALL __Pyx_KwValues_VARARGS
+    #define __Pyx_GetKwValue_FASTCALL __Pyx_GetKwValue_VARARGS
+    #define __Pyx_KwargsAsDict_FASTCALL __Pyx_KwargsAsDict_VARARGS
+    #define __Pyx_Arg_NewRef_FASTCALL(arg) __Pyx_Arg_NewRef_VARARGS(arg)
+    #define __Pyx_Arg_XDECREF_FASTCALL(arg) __Pyx_Arg_XDECREF_VARARGS(arg)
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+#define __Pyx_ArgsSlice_VARARGS(args, start, stop) __Pyx_PyTuple_FromArray(&__Pyx_Arg_VARARGS(args, start), stop - start)
+#define __Pyx_ArgsSlice_FASTCALL(args, start, stop) __Pyx_PyTuple_FromArray(&__Pyx_Arg_FASTCALL(args, start), stop - start)
+#else
+#define __Pyx_ArgsSlice_VARARGS(args, start, stop) PyTuple_GetSlice(args, start, stop)
+#define __Pyx_ArgsSlice_FASTCALL(args, start, stop) PyTuple_GetSlice(args, start, stop)
 #endif
 
-/* MemviewSliceInit.proto */
-#define __Pyx_BUF_MAX_NDIMS %(BUF_MAX_NDIMS)d
-#define __Pyx_MEMVIEW_DIRECT   1
-#define __Pyx_MEMVIEW_PTR      2
-#define __Pyx_MEMVIEW_FULL     4
-#define __Pyx_MEMVIEW_CONTIG   8
-#define __Pyx_MEMVIEW_STRIDED  16
-#define __Pyx_MEMVIEW_FOLLOW   32
-#define __Pyx_IS_C_CONTIG 1
-#define __Pyx_IS_F_CONTIG 2
-static int __Pyx_init_memviewslice(
-                struct __pyx_memoryview_obj *memview,
-                int ndim,
-                __Pyx_memviewslice *memviewslice,
-                int memview_is_new_reference);
-static CYTHON_INLINE int __pyx_add_acquisition_count_locked(
-    __pyx_atomic_int *acquisition_count, PyThread_type_lock lock);
-static CYTHON_INLINE int __pyx_sub_acquisition_count_locked(
-    __pyx_atomic_int *acquisition_count, PyThread_type_lock lock);
-#define __pyx_get_slice_count_pointer(memview) (memview->acquisition_count_aligned_p)
-#define __pyx_get_slice_count(memview) (*__pyx_get_slice_count_pointer(memview))
-#define __PYX_INC_MEMVIEW(slice, have_gil) __Pyx_INC_MEMVIEW(slice, have_gil, __LINE__)
-#define __PYX_XDEC_MEMVIEW(slice, have_gil) __Pyx_XDEC_MEMVIEW(slice, have_gil, __LINE__)
-static CYTHON_INLINE void __Pyx_INC_MEMVIEW(__Pyx_memviewslice *, int, int);
-static CYTHON_INLINE void __Pyx_XDEC_MEMVIEW(__Pyx_memviewslice *, int, int);
-
 /* RaiseArgTupleInvalid.proto */
 static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
     Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);
@@ -1266,40 +1983,44 @@ static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
 static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
 
 /* ParseKeywords.proto */
-static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\
-    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\
+static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject *const *kwvalues,
+    PyObject **argnames[],
+    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,
     const char* function_name);
 
-/* BufferIndexError.proto */
-static void __Pyx_RaiseBufferIndexError(int axis);
-
 /* ArgTypeTest.proto */
 #define __Pyx_ArgTypeTest(obj, type, none_allowed, name, exact)\
-    ((likely((Py_TYPE(obj) == type) | (none_allowed && (obj == Py_None)))) ? 1 :\
+    ((likely(__Pyx_IS_TYPE(obj, type) | (none_allowed && (obj == Py_None)))) ? 1 :\
         __Pyx__ArgTypeTest(obj, type, name, exact))
 static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact);
 
-/* PyCFunctionFastCall.proto */
-#if CYTHON_FAST_PYCCALL
-static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs);
-#else
-#define __Pyx_PyCFunction_FastCall(func, args, nargs)  (assert(0), NULL)
-#endif
+/* RaiseException.proto */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
 
 /* PyFunctionFastCall.proto */
 #if CYTHON_FAST_PYCALL
+#if !CYTHON_VECTORCALL
 #define __Pyx_PyFunction_FastCall(func, args, nargs)\
     __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL)
-#if 1 || PY_VERSION_HEX < 0x030600B1
 static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs);
-#else
-#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs)
 #endif
 #define __Pyx_BUILD_ASSERT_EXPR(cond)\
     (sizeof(char [1 - 2*!(cond)]) - 1)
 #ifndef Py_MEMBER_SIZE
 #define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member)
 #endif
+#if !CYTHON_VECTORCALL
+#if PY_VERSION_HEX >= 0x03080000
+  #include "frameobject.h"
+#if PY_VERSION_HEX >= 0x030b00a6 && !CYTHON_COMPILING_IN_LIMITED_API
+  #ifndef Py_BUILD_CORE
+    #define Py_BUILD_CORE 1
+  #endif
+  #include "internal/pycore_frame.h"
+#endif
+  #define __Pxy_PyFrame_Initialize_Offsets()
+  #define __Pyx_PyFrame_GetLocalsplus(frame)  ((frame)->f_localsplus)
+#else
   static size_t __pyx_pyframe_localsplus_offset = 0;
   #include "frameobject.h"
   #define __Pxy_PyFrame_Initialize_Offsets()\
@@ -1308,83 +2029,46 @@ static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args,
   #define __Pyx_PyFrame_GetLocalsplus(frame)\
     (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset))
 #endif
-
-/* PyObjectCall2Args.proto */
-static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2);
-
-/* PyObjectCallMethO.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
+#endif
 #endif
 
-/* PyObjectCallOneArg.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
-
-/* PyObjectCallNoArg.proto */
+/* PyObjectCall.proto */
 #if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
 #else
-#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL)
+#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
 #endif
 
-/* PyIntCompare.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyInt_EqObjC(PyObject *op1, PyObject *op2, long intval, long inplace);
-
-/* PyIntBinop.proto */
-#if !CYTHON_COMPILING_IN_PYPY
-static PyObject* __Pyx_PyInt_SubtractObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check);
-#else
-#define __Pyx_PyInt_SubtractObjC(op1, op2, intval, inplace, zerodivision_check)\
-    (inplace ? PyNumber_InPlaceSubtract(op1, op2) : PyNumber_Subtract(op1, op2))
+/* PyObjectCallMethO.proto */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
 #endif
 
-/* PyThreadStateGet.proto */
-#if CYTHON_FAST_THREAD_STATE
-#define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
-#define __Pyx_PyThreadState_assign  __pyx_tstate = __Pyx_PyThreadState_Current;
-#define __Pyx_PyErr_Occurred()  __pyx_tstate->curexc_type
-#else
-#define __Pyx_PyThreadState_declare
-#define __Pyx_PyThreadState_assign
-#define __Pyx_PyErr_Occurred()  PyErr_Occurred()
-#endif
+/* PyObjectFastCall.proto */
+#define __Pyx_PyObject_FastCall(func, args, nargs)  __Pyx_PyObject_FastCallDict(func, args, (size_t)(nargs), NULL)
+static CYTHON_INLINE PyObject* __Pyx_PyObject_FastCallDict(PyObject *func, PyObject **args, size_t nargs, PyObject *kwargs);
 
-/* PyErrFetchRestore.proto */
-#if CYTHON_FAST_THREAD_STATE
-#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL)
-#define __Pyx_ErrRestoreWithState(type, value, tb)  __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb)
-#define __Pyx_ErrFetchWithState(type, value, tb)    __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb)
-#define __Pyx_ErrRestore(type, value, tb)  __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb)
-#define __Pyx_ErrFetch(type, value, tb)    __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb)
-static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
-static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
-#if CYTHON_COMPILING_IN_CPYTHON
-#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL))
-#else
-#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
-#endif
-#else
-#define __Pyx_PyErr_Clear() PyErr_Clear()
-#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
-#define __Pyx_ErrRestoreWithState(type, value, tb)  PyErr_Restore(type, value, tb)
-#define __Pyx_ErrFetchWithState(type, value, tb)  PyErr_Fetch(type, value, tb)
-#define __Pyx_ErrRestoreInState(tstate, type, value, tb)  PyErr_Restore(type, value, tb)
-#define __Pyx_ErrFetchInState(tstate, type, value, tb)  PyErr_Fetch(type, value, tb)
-#define __Pyx_ErrRestore(type, value, tb)  PyErr_Restore(type, value, tb)
-#define __Pyx_ErrFetch(type, value, tb)  PyErr_Fetch(type, value, tb)
+/* RaiseUnexpectedTypeError.proto */
+static int __Pyx_RaiseUnexpectedTypeError(const char *expected, PyObject *obj);
+
+/* GCCDiagnostics.proto */
+#if !defined(__INTEL_COMPILER) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+#define __Pyx_HAS_GCC_DIAGNOSTIC
 #endif
 
-/* RaiseException.proto */
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
+/* BuildPyUnicode.proto */
+static PyObject* __Pyx_PyUnicode_BuildFromAscii(Py_ssize_t ulength, char* chars, int clength,
+                                                int prepend_sign, char padding_char);
 
-/* IncludeStringH.proto */
-#include <string.h>
+/* CIntToPyUnicode.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_int(int value, Py_ssize_t width, char padding_char, char format_char);
 
-/* BytesEquals.proto */
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals);
+/* CIntToPyUnicode.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_Py_ssize_t(Py_ssize_t value, Py_ssize_t width, char padding_char, char format_char);
 
-/* UnicodeEquals.proto */
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals);
+/* JoinPyUnicode.proto */
+static PyObject* __Pyx_PyUnicode_Join(PyObject* value_tuple, Py_ssize_t value_count, Py_ssize_t result_ulength,
+                                      Py_UCS4 max_char);
 
 /* StrEquals.proto */
 #if PY_MAJOR_VERSION >= 3
@@ -1393,14 +2077,29 @@ static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int
 #define __Pyx_PyString_Equals __Pyx_PyBytes_Equals
 #endif
 
-/* None.proto */
-static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t, Py_ssize_t);
-
-/* UnaryNegOverflows.proto */
-#define UNARY_NEG_WOULD_OVERFLOW(x)\
-        (((x) < 0) & ((unsigned long)(x) == 0-(unsigned long)(x)))
+/* PyObjectFormatSimple.proto */
+#if CYTHON_COMPILING_IN_PYPY
+    #define __Pyx_PyObject_FormatSimple(s, f) (\
+        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
+        PyObject_Format(s, f))
+#elif PY_MAJOR_VERSION < 3
+    #define __Pyx_PyObject_FormatSimple(s, f) (\
+        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
+        likely(PyString_CheckExact(s)) ? PyUnicode_FromEncodedObject(s, NULL, "strict") :\
+        PyObject_Format(s, f))
+#elif CYTHON_USE_TYPE_SLOTS
+    #define __Pyx_PyObject_FormatSimple(s, f) (\
+        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
+        likely(PyLong_CheckExact(s)) ? PyLong_Type.tp_repr(s) :\
+        likely(PyFloat_CheckExact(s)) ? PyFloat_Type.tp_repr(s) :\
+        PyObject_Format(s, f))
+#else
+    #define __Pyx_PyObject_FormatSimple(s, f) (\
+        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
+        PyObject_Format(s, f))
+#endif
 
-static CYTHON_UNUSED int __pyx_array_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
+CYTHON_UNUSED static int __pyx_array_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
 static PyObject *__pyx_array_get_memview(struct __pyx_array_obj *); /*proto*/
 /* GetAttr.proto */
 static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *);
@@ -1427,44 +2126,107 @@ static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j);
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
                                                      int is_list, int wraparound, int boundscheck);
 
+/* PyObjectCallOneArg.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
+
 /* ObjectGetItem.proto */
 #if CYTHON_USE_TYPE_SLOTS
-static CYTHON_INLINE PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key);
+static CYTHON_INLINE PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject *key);
 #else
 #define __Pyx_PyObject_GetItem(obj, key)  PyObject_GetItem(obj, key)
 #endif
 
-/* decode_c_string_utf16.proto */
-static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16(const char *s, Py_ssize_t size, const char *errors) {
-    int byteorder = 0;
-    return PyUnicode_DecodeUTF16(s, size, errors, &byteorder);
-}
-static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16LE(const char *s, Py_ssize_t size, const char *errors) {
-    int byteorder = -1;
-    return PyUnicode_DecodeUTF16(s, size, errors, &byteorder);
-}
-static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16BE(const char *s, Py_ssize_t size, const char *errors) {
-    int byteorder = 1;
-    return PyUnicode_DecodeUTF16(s, size, errors, &byteorder);
-}
+/* KeywordStringCheck.proto */
+static int __Pyx_CheckKeywordStrings(PyObject *kw, const char* function_name, int kw_allowed);
 
-/* decode_c_string.proto */
-static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
-         const char* cstring, Py_ssize_t start, Py_ssize_t stop,
-         const char* encoding, const char* errors,
-         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors));
+/* DivInt[Py_ssize_t].proto */
+static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t, Py_ssize_t);
 
-/* PyErrExceptionMatches.proto */
-#if CYTHON_FAST_THREAD_STATE
-#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err)
-static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err);
-#else
-#define __Pyx_PyErr_ExceptionMatches(err)  PyErr_ExceptionMatches(err)
-#endif
+/* UnaryNegOverflows.proto */
+#define __Pyx_UNARY_NEG_WOULD_OVERFLOW(x)\
+        (((x) < 0) & ((unsigned long)(x) == 0-(unsigned long)(x)))
 
 /* GetAttr3.proto */
 static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *, PyObject *, PyObject *);
 
+/* PyDictVersioning.proto */
+#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
+#define __PYX_DICT_VERSION_INIT  ((PY_UINT64_T) -1)
+#define __PYX_GET_DICT_VERSION(dict)  (((PyDictObject*)(dict))->ma_version_tag)
+#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\
+    (version_var) = __PYX_GET_DICT_VERSION(dict);\
+    (cache_var) = (value);
+#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\
+    static PY_UINT64_T __pyx_dict_version = 0;\
+    static PyObject *__pyx_dict_cached_value = NULL;\
+    if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\
+        (VAR) = __pyx_dict_cached_value;\
+    } else {\
+        (VAR) = __pyx_dict_cached_value = (LOOKUP);\
+        __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\
+    }\
+}
+static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj);
+static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj);
+static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version);
+#else
+#define __PYX_GET_DICT_VERSION(dict)  (0)
+#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)
+#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP)  (VAR) = (LOOKUP);
+#endif
+
+/* GetModuleGlobalName.proto */
+#if CYTHON_USE_DICT_VERSIONS
+#define __Pyx_GetModuleGlobalName(var, name)  do {\
+    static PY_UINT64_T __pyx_dict_version = 0;\
+    static PyObject *__pyx_dict_cached_value = NULL;\
+    (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\
+        (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\
+        __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
+} while(0)
+#define __Pyx_GetModuleGlobalNameUncached(var, name)  do {\
+    PY_UINT64_T __pyx_dict_version;\
+    PyObject *__pyx_dict_cached_value;\
+    (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
+} while(0)
+static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value);
+#else
+#define __Pyx_GetModuleGlobalName(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
+#define __Pyx_GetModuleGlobalNameUncached(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
+static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name);
+#endif
+
+/* AssertionsEnabled.proto */
+#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
+  #define __Pyx_init_assertions_enabled()  (0)
+  #define __pyx_assertions_enabled()  (1)
+#elif CYTHON_COMPILING_IN_LIMITED_API  ||  (CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030C0000)
+  static int __pyx_assertions_enabled_flag;
+  #define __pyx_assertions_enabled() (__pyx_assertions_enabled_flag)
+  static int __Pyx_init_assertions_enabled(void) {
+    PyObject *builtins, *debug, *debug_str;
+    int flag;
+    builtins = PyEval_GetBuiltins();
+    if (!builtins) goto bad;
+    debug_str = PyUnicode_FromStringAndSize("__debug__", 9);
+    if (!debug_str) goto bad;
+    debug = PyObject_GetItem(builtins, debug_str);
+    Py_DECREF(debug_str);
+    if (!debug) goto bad;
+    flag = PyObject_IsTrue(debug);
+    Py_DECREF(debug);
+    if (flag == -1) goto bad;
+    __pyx_assertions_enabled_flag = flag;
+    return 0;
+  bad:
+    __pyx_assertions_enabled_flag = 1;
+    return -1;
+  }
+#else
+  #define __Pyx_init_assertions_enabled()  (0)
+  #define __pyx_assertions_enabled()  (!Py_OptimizeFlag)
+#endif
+
 /* RaiseTooManyValuesToUnpack.proto */
 static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
 
@@ -1478,7 +2240,7 @@ static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
 static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type);
 
 /* GetTopmostException.proto */
-#if CYTHON_USE_EXC_INFO_STACK
+#if CYTHON_USE_EXC_INFO_STACK && CYTHON_FAST_THREAD_STATE
 static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate);
 #endif
 
@@ -1512,20 +2274,30 @@ static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value,
 /* Import.proto */
 static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);
 
+/* ImportDottedModule.proto */
+static PyObject *__Pyx_ImportDottedModule(PyObject *name, PyObject *parts_tuple);
+#if PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx_ImportDottedModule_WalkParts(PyObject *module, PyObject *name, PyObject *parts_tuple);
+#endif
+
 /* FastTypeChecks.proto */
 #if CYTHON_COMPILING_IN_CPYTHON
 #define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type)
+#define __Pyx_TypeCheck2(obj, type1, type2) __Pyx_IsAnySubtype2(Py_TYPE(obj), (PyTypeObject *)type1, (PyTypeObject *)type2)
 static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b);
+static CYTHON_INLINE int __Pyx_IsAnySubtype2(PyTypeObject *cls, PyTypeObject *a, PyTypeObject *b);
 static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type);
 static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2);
 #else
 #define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
+#define __Pyx_TypeCheck2(obj, type1, type2) (PyObject_TypeCheck(obj, (PyTypeObject *)type1) || PyObject_TypeCheck(obj, (PyTypeObject *)type2))
 #define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type)
 #define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2))
 #endif
+#define __Pyx_PyErr_ExceptionMatches2(err1, err2)  __Pyx_PyErr_GivenExceptionMatches2(__Pyx_PyErr_CurrentExceptionType(), err1, err2)
 #define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)
 
-static CYTHON_UNUSED int __pyx_memoryview_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
+CYTHON_UNUSED static int __pyx_memoryview_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
 /* ListCompAppend.proto */
 #if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
 static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) {
@@ -1533,7 +2305,11 @@ static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) {
     Py_ssize_t len = Py_SIZE(list);
     if (likely(L->allocated > len)) {
         Py_INCREF(x);
+        #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000
+        L->ob_item[len] = x;
+        #else
         PyList_SET_ITEM(list, len, x);
+        #endif
         __Pyx_SET_SIZE(list, len + 1);
         return 0;
     }
@@ -1543,38 +2319,76 @@ static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) {
 #define __Pyx_ListComp_Append(L,x) PyList_Append(L,x)
 #endif
 
-/* PyIntBinop.proto */
-#if !CYTHON_COMPILING_IN_PYPY
-static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check);
-#else
-#define __Pyx_PyInt_AddObjC(op1, op2, intval, inplace, zerodivision_check)\
-    (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2))
-#endif
-
-/* ListExtend.proto */
-static CYTHON_INLINE int __Pyx_PyList_Extend(PyObject* L, PyObject* v) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject* none = _PyList_Extend((PyListObject*)L, v);
-    if (unlikely(!none))
-        return -1;
-    Py_DECREF(none);
-    return 0;
-#else
-    return PyList_SetSlice(L, PY_SSIZE_T_MAX, PY_SSIZE_T_MAX, v);
-#endif
-}
+/* PySequenceMultiply.proto */
+#define __Pyx_PySequence_Multiply_Left(mul, seq)  __Pyx_PySequence_Multiply(seq, mul)
+static CYTHON_INLINE PyObject* __Pyx_PySequence_Multiply(PyObject *seq, Py_ssize_t mul);
 
-/* None.proto */
+/* SetItemInt.proto */
+#define __Pyx_SetItemInt(o, i, v, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
+    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
+    __Pyx_SetItemInt_Fast(o, (Py_ssize_t)i, v, is_list, wraparound, boundscheck) :\
+    (is_list ? (PyErr_SetString(PyExc_IndexError, "list assignment index out of range"), -1) :\
+               __Pyx_SetItemInt_Generic(o, to_py_func(i), v)))
+static int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v);
+static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v,
+                                               int is_list, int wraparound, int boundscheck);
+
+/* RaiseUnboundLocalError.proto */
 static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
 
-/* None.proto */
+/* DivInt[long].proto */
 static CYTHON_INLINE long __Pyx_div_long(long, long);
 
+/* PySequenceContains.proto */
+static CYTHON_INLINE int __Pyx_PySequence_ContainsTF(PyObject* item, PyObject* seq, int eq) {
+    int result = PySequence_Contains(seq, item);
+    return unlikely(result < 0) ? result : (result == (eq == Py_EQ));
+}
+
 /* ImportFrom.proto */
 static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name);
 
 /* HasAttr.proto */
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d00A1
+#define __Pyx_HasAttr(o, n)  PyObject_HasAttrWithError(o, n)
+#else
 static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *);
+#endif
+
+/* ListAppend.proto */
+#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
+static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
+    PyListObject* L = (PyListObject*) list;
+    Py_ssize_t len = Py_SIZE(list);
+    if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) {
+        Py_INCREF(x);
+        #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000
+        L->ob_item[len] = x;
+        #else
+        PyList_SET_ITEM(list, len, x);
+        #endif
+        __Pyx_SET_SIZE(list, len + 1);
+        return 0;
+    }
+    return PyList_Append(list, x);
+}
+#else
+#define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
+#endif
+
+/* BufferIndexError.proto */
+static void __Pyx_RaiseBufferIndexError(int axis);
+
+/* PyIntCompare.proto */
+static CYTHON_INLINE int __Pyx_PyInt_BoolEqObjC(PyObject *op1, PyObject *op2, long intval, long inplace);
+
+/* PyIntBinop.proto */
+#if !CYTHON_COMPILING_IN_PYPY
+static PyObject* __Pyx_PyInt_SubtractObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check);
+#else
+#define __Pyx_PyInt_SubtractObjC(op1, op2, intval, inplace, zerodivision_check)\
+    (inplace ? PyNumber_InPlaceSubtract(op1, op2) : PyNumber_Subtract(op1, op2))
+#endif
 
 /* PyObject_GenericGetAttrNoDict.proto */
 #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
@@ -1590,14 +2404,186 @@ static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_nam
 #define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr
 #endif
 
+/* IncludeStructmemberH.proto */
+#include <structmember.h>
+
+/* FixUpExtensionType.proto */
+#if CYTHON_USE_TYPE_SPECS
+static int __Pyx_fix_up_extension_type_from_spec(PyType_Spec *spec, PyTypeObject *type);
+#endif
+
+/* PyObjectCallNoArg.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
+
+/* PyObjectGetMethod.proto */
+static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method);
+
+/* PyObjectCallMethod0.proto */
+static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name);
+
+/* ValidateBasesTuple.proto */
+#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_USE_TYPE_SPECS
+static int __Pyx_validate_bases_tuple(const char *type_name, Py_ssize_t dictoffset, PyObject *bases);
+#endif
+
+/* PyType_Ready.proto */
+CYTHON_UNUSED static int __Pyx_PyType_Ready(PyTypeObject *t);
+
 /* SetVTable.proto */
-static int __Pyx_SetVtable(PyObject *dict, void *vtable);
+static int __Pyx_SetVtable(PyTypeObject* typeptr , void* vtable);
 
-/* PyObjectGetAttrStrNoError.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name);
+/* GetVTable.proto */
+static void* __Pyx_GetVtable(PyTypeObject *type);
+
+/* MergeVTables.proto */
+#if !CYTHON_COMPILING_IN_LIMITED_API
+static int __Pyx_MergeVtables(PyTypeObject *type);
+#endif
 
 /* SetupReduce.proto */
+#if !CYTHON_COMPILING_IN_LIMITED_API
 static int __Pyx_setup_reduce(PyObject* type_obj);
+#endif
+
+/* FetchSharedCythonModule.proto */
+static PyObject *__Pyx_FetchSharedCythonABIModule(void);
+
+/* FetchCommonType.proto */
+#if !CYTHON_USE_TYPE_SPECS
+static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type);
+#else
+static PyTypeObject* __Pyx_FetchCommonTypeFromSpec(PyObject *module, PyType_Spec *spec, PyObject *bases);
+#endif
+
+/* PyMethodNew.proto */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *__Pyx_PyMethod_New(PyObject *func, PyObject *self, PyObject *typ) {
+    PyObject *typesModule=NULL, *methodType=NULL, *result=NULL;
+    CYTHON_UNUSED_VAR(typ);
+    if (!self)
+        return __Pyx_NewRef(func);
+    typesModule = PyImport_ImportModule("types");
+    if (!typesModule) return NULL;
+    methodType = PyObject_GetAttrString(typesModule, "MethodType");
+    Py_DECREF(typesModule);
+    if (!methodType) return NULL;
+    result = PyObject_CallFunctionObjArgs(methodType, func, self, NULL);
+    Py_DECREF(methodType);
+    return result;
+}
+#elif PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx_PyMethod_New(PyObject *func, PyObject *self, PyObject *typ) {
+    CYTHON_UNUSED_VAR(typ);
+    if (!self)
+        return __Pyx_NewRef(func);
+    return PyMethod_New(func, self);
+}
+#else
+    #define __Pyx_PyMethod_New PyMethod_New
+#endif
+
+/* PyVectorcallFastCallDict.proto */
+#if CYTHON_METH_FASTCALL
+static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw);
+#endif
+
+/* CythonFunctionShared.proto */
+#define __Pyx_CyFunction_USED
+#define __Pyx_CYFUNCTION_STATICMETHOD  0x01
+#define __Pyx_CYFUNCTION_CLASSMETHOD   0x02
+#define __Pyx_CYFUNCTION_CCLASS        0x04
+#define __Pyx_CYFUNCTION_COROUTINE     0x08
+#define __Pyx_CyFunction_GetClosure(f)\
+    (((__pyx_CyFunctionObject *) (f))->func_closure)
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_CyFunction_GetClassObj(f)\
+      (((__pyx_CyFunctionObject *) (f))->func_classobj)
+#else
+  #define __Pyx_CyFunction_GetClassObj(f)\
+      ((PyObject*) ((PyCMethodObject *) (f))->mm_class)
+#endif
+#define __Pyx_CyFunction_SetClassObj(f, classobj)\
+    __Pyx__CyFunction_SetClassObj((__pyx_CyFunctionObject *) (f), (classobj))
+#define __Pyx_CyFunction_Defaults(type, f)\
+    ((type *)(((__pyx_CyFunctionObject *) (f))->defaults))
+#define __Pyx_CyFunction_SetDefaultsGetter(f, g)\
+    ((__pyx_CyFunctionObject *) (f))->defaults_getter = (g)
+typedef struct {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject_HEAD
+    PyObject *func;
+#elif PY_VERSION_HEX < 0x030900B1
+    PyCFunctionObject func;
+#else
+    PyCMethodObject func;
+#endif
+#if CYTHON_BACKPORT_VECTORCALL
+    __pyx_vectorcallfunc func_vectorcall;
+#endif
+#if PY_VERSION_HEX < 0x030500A0 || CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *func_weakreflist;
+#endif
+    PyObject *func_dict;
+    PyObject *func_name;
+    PyObject *func_qualname;
+    PyObject *func_doc;
+    PyObject *func_globals;
+    PyObject *func_code;
+    PyObject *func_closure;
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *func_classobj;
+#endif
+    void *defaults;
+    int defaults_pyobjects;
+    size_t defaults_size;
+    int flags;
+    PyObject *defaults_tuple;
+    PyObject *defaults_kwdict;
+    PyObject *(*defaults_getter)(PyObject *);
+    PyObject *func_annotations;
+    PyObject *func_is_coroutine;
+} __pyx_CyFunctionObject;
+#undef __Pyx_CyOrPyCFunction_Check
+#define __Pyx_CyFunction_Check(obj)  __Pyx_TypeCheck(obj, __pyx_CyFunctionType)
+#define __Pyx_CyOrPyCFunction_Check(obj)  __Pyx_TypeCheck2(obj, __pyx_CyFunctionType, &PyCFunction_Type)
+#define __Pyx_CyFunction_CheckExact(obj)  __Pyx_IS_TYPE(obj, __pyx_CyFunctionType)
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void *cfunc);
+#undef __Pyx_IsSameCFunction
+#define __Pyx_IsSameCFunction(func, cfunc)   __Pyx__IsSameCyOrCFunction(func, cfunc)
+static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject* op, PyMethodDef *ml,
+                                      int flags, PyObject* qualname,
+                                      PyObject *closure,
+                                      PyObject *module, PyObject *globals,
+                                      PyObject* code);
+static CYTHON_INLINE void __Pyx__CyFunction_SetClassObj(__pyx_CyFunctionObject* f, PyObject* classobj);
+static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *m,
+                                                         size_t size,
+                                                         int pyobjects);
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *m,
+                                                            PyObject *tuple);
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *m,
+                                                             PyObject *dict);
+static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *m,
+                                                              PyObject *dict);
+static int __pyx_CyFunction_init(PyObject *module);
+#if CYTHON_METH_FASTCALL
+static PyObject * __Pyx_CyFunction_Vectorcall_NOARGS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_O(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+#if CYTHON_BACKPORT_VECTORCALL
+#define __Pyx_CyFunction_func_vectorcall(f) (((__pyx_CyFunctionObject*)f)->func_vectorcall)
+#else
+#define __Pyx_CyFunction_func_vectorcall(f) (((PyCFunctionObject*)f)->vectorcall)
+#endif
+#endif
+
+/* CythonFunction.proto */
+static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml,
+                                      int flags, PyObject* qualname,
+                                      PyObject *closure,
+                                      PyObject *module, PyObject *globals,
+                                      PyObject* code);
 
 /* CLineInTraceback.proto */
 #ifdef CYTHON_CLINE_IN_TRACEBACK
@@ -1607,6 +2593,7 @@ static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line);
 #endif
 
 /* CodeObjectCache.proto */
+#if !CYTHON_COMPILING_IN_LIMITED_API
 typedef struct {
     PyCodeObject* code_object;
     int code_line;
@@ -1620,6 +2607,7 @@ static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
 static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
 static PyCodeObject *__pyx_find_code_object(int code_line);
 static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
+#endif
 
 /* AddTraceback.proto */
 static void __Pyx_AddTraceback(const char *funcname, int c_line,
@@ -1656,9 +2644,6 @@ static int __pyx_slices_overlap(__Pyx_memviewslice *slice1,
                                 __Pyx_memviewslice *slice2,
                                 int ndim, size_t itemsize);
 
-/* Capsule.proto */
-static CYTHON_INLINE PyObject *__pyx_capsule_create(void *p, const char *sig);
-
 /* IsLittleEndian.proto */
 static CYTHON_INLINE int __Pyx_Is_Little_Endian(void);
 
@@ -1694,11 +2679,6 @@ static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_dc_u
 /* ObjectToMemviewSlice.proto */
 static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_d_dc_char(PyObject *, int writable_flag);
 
-/* GCCDiagnostics.proto */
-#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
-#define __Pyx_HAS_GCC_DIAGNOSTIC
-#endif
-
 /* ObjectToMemviewSlice.proto */
 static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_dc_float(PyObject *, int writable_flag);
 
@@ -1747,6 +2727,31 @@ __pyx_memoryview_copy_new_contig(const __Pyx_memviewslice *from_mvs,
                                  size_t sizeof_dtype, int contig_flag,
                                  int dtype_is_object);
 
+/* MemviewSliceInit.proto */
+#define __Pyx_BUF_MAX_NDIMS %(BUF_MAX_NDIMS)d
+#define __Pyx_MEMVIEW_DIRECT   1
+#define __Pyx_MEMVIEW_PTR      2
+#define __Pyx_MEMVIEW_FULL     4
+#define __Pyx_MEMVIEW_CONTIG   8
+#define __Pyx_MEMVIEW_STRIDED  16
+#define __Pyx_MEMVIEW_FOLLOW   32
+#define __Pyx_IS_C_CONTIG 1
+#define __Pyx_IS_F_CONTIG 2
+static int __Pyx_init_memviewslice(
+                struct __pyx_memoryview_obj *memview,
+                int ndim,
+                __Pyx_memviewslice *memviewslice,
+                int memview_is_new_reference);
+static CYTHON_INLINE int __pyx_add_acquisition_count_locked(
+    __pyx_atomic_int_type *acquisition_count, PyThread_type_lock lock);
+static CYTHON_INLINE int __pyx_sub_acquisition_count_locked(
+    __pyx_atomic_int_type *acquisition_count, PyThread_type_lock lock);
+#define __pyx_get_slice_count_pointer(memview) (&memview->acquisition_count)
+#define __PYX_INC_MEMVIEW(slice, have_gil) __Pyx_INC_MEMVIEW(slice, have_gil, __LINE__)
+#define __PYX_XCLEAR_MEMVIEW(slice, have_gil) __Pyx_XCLEAR_MEMVIEW(slice, have_gil, __LINE__)
+static CYTHON_INLINE void __Pyx_INC_MEMVIEW(__Pyx_memviewslice *, int, int);
+static CYTHON_INLINE void __Pyx_XCLEAR_MEMVIEW(__Pyx_memviewslice *, int, int);
+
 /* CIntFromPy.proto */
 static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
 
@@ -1777,12 +2782,27 @@ static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
 /* CIntToPy.proto */
 static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
 
+/* FormatTypeName.proto */
+#if CYTHON_COMPILING_IN_LIMITED_API
+typedef PyObject *__Pyx_TypeName;
+#define __Pyx_FMT_TYPENAME "%U"
+static __Pyx_TypeName __Pyx_PyType_GetName(PyTypeObject* tp);
+#define __Pyx_DECREF_TypeName(obj) Py_XDECREF(obj)
+#else
+typedef const char *__Pyx_TypeName;
+#define __Pyx_FMT_TYPENAME "%.200s"
+#define __Pyx_PyType_GetName(tp) ((tp)->tp_name)
+#define __Pyx_DECREF_TypeName(obj)
+#endif
+
 /* CheckBinaryVersion.proto */
-static int __Pyx_check_binary_version(void);
+static unsigned long __Pyx_get_runtime_version(void);
+static int __Pyx_check_binary_version(unsigned long ct_version, unsigned long rt_version, int allow_newer);
 
 /* InitStrings.proto */
 static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);
 
+/* #### Code section: module_declarations ### */
 static PyObject *__pyx_array_get_memview(struct __pyx_array_obj *__pyx_v_self); /* proto*/
 static char *__pyx_memoryview_get_item_pointer(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_index); /* proto*/
 static PyObject *__pyx_memoryview_is_slice(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_obj); /* proto*/
@@ -1791,18 +2811,19 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
 static PyObject *__pyx_memoryview_setitem_indexed(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_index, PyObject *__pyx_v_value); /* proto*/
 static PyObject *__pyx_memoryview_convert_item_to_object(struct __pyx_memoryview_obj *__pyx_v_self, char *__pyx_v_itemp); /* proto*/
 static PyObject *__pyx_memoryview_assign_item_from_object(struct __pyx_memoryview_obj *__pyx_v_self, char *__pyx_v_itemp, PyObject *__pyx_v_value); /* proto*/
+static PyObject *__pyx_memoryview__get_base(struct __pyx_memoryview_obj *__pyx_v_self); /* proto*/
 static PyObject *__pyx_memoryviewslice_convert_item_to_object(struct __pyx_memoryviewslice_obj *__pyx_v_self, char *__pyx_v_itemp); /* proto*/
 static PyObject *__pyx_memoryviewslice_assign_item_from_object(struct __pyx_memoryviewslice_obj *__pyx_v_self, char *__pyx_v_itemp, PyObject *__pyx_v_value); /* proto*/
+static PyObject *__pyx_memoryviewslice__get_base(struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto*/
+
+/* Module declarations from "cython.view" */
 
-/* Module declarations from 'cython.view' */
+/* Module declarations from "cython.dataclasses" */
 
-/* Module declarations from 'cython' */
+/* Module declarations from "cython" */
 
-/* Module declarations from 'fxpcs_sparse' */
-static PyTypeObject *__pyx_array_type = 0;
-static PyTypeObject *__pyx_MemviewEnum_type = 0;
-static PyTypeObject *__pyx_memoryview_type = 0;
-static PyTypeObject *__pyx_memoryviewslice_type = 0;
+/* Module declarations from "fxpcs_sparse" */
+static PyObject *__pyx_collections_abc_Sequence = 0;
 static PyObject *generic = 0;
 static PyObject *strided = 0;
 static PyObject *indirect = 0;
@@ -1810,12 +2831,12 @@ static PyObject *contiguous = 0;
 static PyObject *indirect_contiguous = 0;
 static int __pyx_memoryview_thread_locks_used;
 static PyThread_type_lock __pyx_memoryview_thread_locks[8];
+static int __pyx_array_allocate_buffer(struct __pyx_array_obj *); /*proto*/
 static struct __pyx_array_obj *__pyx_array_new(PyObject *, Py_ssize_t, char *, char *, char *); /*proto*/
-static void *__pyx_align_pointer(void *, size_t); /*proto*/
 static PyObject *__pyx_memoryview_new(PyObject *, int, int, __Pyx_TypeInfo *); /*proto*/
 static CYTHON_INLINE int __pyx_memoryview_check(PyObject *); /*proto*/
 static PyObject *_unellipsify(PyObject *, int); /*proto*/
-static PyObject *assert_direct_dimensions(Py_ssize_t *, int); /*proto*/
+static int assert_direct_dimensions(Py_ssize_t *, int); /*proto*/
 static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_obj *, PyObject *); /*proto*/
 static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *, Py_ssize_t, Py_ssize_t, Py_ssize_t, int, int, int *, Py_ssize_t, Py_ssize_t, Py_ssize_t, int, int, int, int); /*proto*/
 static char *__pyx_pybuffer_index(Py_buffer *, char *, Py_ssize_t, Py_ssize_t); /*proto*/
@@ -1833,8 +2854,9 @@ static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *, int); /*
 static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *, Py_ssize_t *, Py_ssize_t, int, char); /*proto*/
 static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *, __Pyx_memviewslice *, char, int); /*proto*/
 static int __pyx_memoryview_err_extents(int, Py_ssize_t, Py_ssize_t); /*proto*/
-static int __pyx_memoryview_err_dim(PyObject *, char *, int); /*proto*/
-static int __pyx_memoryview_err(PyObject *, char *); /*proto*/
+static int __pyx_memoryview_err_dim(PyObject *, PyObject *, int); /*proto*/
+static int __pyx_memoryview_err(PyObject *, PyObject *); /*proto*/
+static int __pyx_memoryview_err_no_memory(void); /*proto*/
 static int __pyx_memoryview_copy_contents(__Pyx_memviewslice, __Pyx_memviewslice, int, int, int); /*proto*/
 static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *, int, int); /*proto*/
 static void __pyx_memoryview_refcount_copying(__Pyx_memviewslice *, int, int, int); /*proto*/
@@ -1843,24 +2865,31 @@ static void __pyx_memoryview_refcount_objects_in_slice(char *, Py_ssize_t *, Py_
 static void __pyx_memoryview_slice_assign_scalar(__Pyx_memviewslice *, int, size_t, void *, int); /*proto*/
 static void __pyx_memoryview__slice_assign_scalar(char *, Py_ssize_t *, Py_ssize_t *, int, size_t, void *); /*proto*/
 static PyObject *__pyx_unpickle_Enum__set_state(struct __pyx_MemviewEnum_obj *, PyObject *); /*proto*/
-static __Pyx_TypeInfo __Pyx_TypeInfo_int = { "int", NULL, sizeof(int), { 0 }, 0, IS_UNSIGNED(int) ? 'U' : 'I', IS_UNSIGNED(int), 0 };
-static __Pyx_TypeInfo __Pyx_TypeInfo_unsigned_int = { "unsigned int", NULL, sizeof(unsigned int), { 0 }, 0, IS_UNSIGNED(unsigned int) ? 'U' : 'I', IS_UNSIGNED(unsigned int), 0 };
-static __Pyx_TypeInfo __Pyx_TypeInfo_char = { "char", NULL, sizeof(char), { 0 }, 0, 'H', IS_UNSIGNED(char), 0 };
+/* #### Code section: typeinfo ### */
+static __Pyx_TypeInfo __Pyx_TypeInfo_int = { "int", NULL, sizeof(int), { 0 }, 0, __PYX_IS_UNSIGNED(int) ? 'U' : 'I', __PYX_IS_UNSIGNED(int), 0 };
+static __Pyx_TypeInfo __Pyx_TypeInfo_unsigned_int = { "unsigned int", NULL, sizeof(unsigned int), { 0 }, 0, __PYX_IS_UNSIGNED(unsigned int) ? 'U' : 'I', __PYX_IS_UNSIGNED(unsigned int), 0 };
+static __Pyx_TypeInfo __Pyx_TypeInfo_char = { "char", NULL, sizeof(char), { 0 }, 0, 'H', __PYX_IS_UNSIGNED(char), 0 };
 static __Pyx_TypeInfo __Pyx_TypeInfo_float = { "float", NULL, sizeof(float), { 0 }, 0, 'R', 0, 0 };
-static __Pyx_TypeInfo __Pyx_TypeInfo_short = { "short", NULL, sizeof(short), { 0 }, 0, IS_UNSIGNED(short) ? 'U' : 'I', IS_UNSIGNED(short), 0 };
+static __Pyx_TypeInfo __Pyx_TypeInfo_short = { "short", NULL, sizeof(short), { 0 }, 0, __PYX_IS_UNSIGNED(short) ? 'U' : 'I', __PYX_IS_UNSIGNED(short), 0 };
+/* #### Code section: before_global_var ### */
 #define __Pyx_MODULE_NAME "fxpcs_sparse"
 extern int __pyx_module_is_main_fxpcs_sparse;
 int __pyx_module_is_main_fxpcs_sparse = 0;
 
-/* Implementation of 'fxpcs_sparse' */
+/* Implementation of "fxpcs_sparse" */
+/* #### Code section: global_var ### */
 static PyObject *__pyx_builtin_range;
+static PyObject *__pyx_builtin___import__;
 static PyObject *__pyx_builtin_ValueError;
 static PyObject *__pyx_builtin_MemoryError;
 static PyObject *__pyx_builtin_enumerate;
 static PyObject *__pyx_builtin_TypeError;
+static PyObject *__pyx_builtin_AssertionError;
 static PyObject *__pyx_builtin_Ellipsis;
 static PyObject *__pyx_builtin_id;
 static PyObject *__pyx_builtin_IndexError;
+/* #### Code section: string_decls ### */
+static const char __pyx_k_[] = ": ";
 static const char __pyx_k_A[] = "A";
 static const char __pyx_k_O[] = "O";
 static const char __pyx_k_a[] = "a";
@@ -1874,6 +2903,11 @@ static const char __pyx_k_m[] = "m";
 static const char __pyx_k_n[] = "n";
 static const char __pyx_k_r[] = "r";
 static const char __pyx_k_v[] = "v";
+static const char __pyx_k__2[] = ".";
+static const char __pyx_k__3[] = "*";
+static const char __pyx_k__6[] = "'";
+static const char __pyx_k__7[] = ")";
+static const char __pyx_k_gc[] = "gc";
 static const char __pyx_k_id[] = "id";
 static const char __pyx_k_j1[] = "j1";
 static const char __pyx_k_j2[] = "j2";
@@ -1883,16 +2917,21 @@ static const char __pyx_k_np[] = "np";
 static const char __pyx_k_rP[] = "rP";
 static const char __pyx_k_s1[] = "s1";
 static const char __pyx_k_s2[] = "s2";
+static const char __pyx_k__30[] = "?";
+static const char __pyx_k_abc[] = "abc";
+static const char __pyx_k_and[] = " and ";
 static const char __pyx_k_any[] = "any";
 static const char __pyx_k_avg[] = "avg";
 static const char __pyx_k_col[] = "col";
 static const char __pyx_k_dim[] = "dim";
+static const char __pyx_k_got[] = " (got ";
 static const char __pyx_k_idx[] = "idx";
 static const char __pyx_k_new[] = "__new__";
 static const char __pyx_k_nrm[] = "nrm";
 static const char __pyx_k_obj[] = "obj";
 static const char __pyx_k_out[] = "out";
 static const char __pyx_k_row[] = "row";
+static const char __pyx_k_sys[] = "sys";
 static const char __pyx_k_ttc[] = "ttc";
 static const char __pyx_k_val[] = "val";
 static const char __pyx_k_axis[] = "axis";
@@ -1918,6 +2957,7 @@ static const char __pyx_k_row1[] = "row1";
 static const char __pyx_k_row2[] = "row2";
 static const char __pyx_k_s_on[] = "s_on";
 static const char __pyx_k_size[] = "size";
+static const char __pyx_k_spec[] = "__spec__";
 static const char __pyx_k_step[] = "step";
 static const char __pyx_k_stop[] = "stop";
 static const char __pyx_k_test[] = "__test__";
@@ -1925,9 +2965,11 @@ static const char __pyx_k_val1[] = "val1";
 static const char __pyx_k_val2[] = "val2";
 static const char __pyx_k_ASCII[] = "ASCII";
 static const char __pyx_k_class[] = "__class__";
+static const char __pyx_k_count[] = "count";
 static const char __pyx_k_dtype[] = "dtype";
 static const char __pyx_k_error[] = "error";
 static const char __pyx_k_flags[] = "flags";
+static const char __pyx_k_index[] = "index";
 static const char __pyx_k_int16[] = "int16";
 static const char __pyx_k_int32[] = "int32";
 static const char __pyx_k_ixmsk[] = "ixmsk";
@@ -1943,6 +2985,7 @@ static const char __pyx_k_start[] = "start";
 static const char __pyx_k_zeros[] = "zeros";
 static const char __pyx_k_argmax[] = "argmax";
 static const char __pyx_k_astype[] = "astype";
+static const char __pyx_k_enable[] = "enable";
 static const char __pyx_k_encode[] = "encode";
 static const char __pyx_k_format[] = "format";
 static const char __pyx_k_import[] = "__import__";
@@ -1959,6 +3002,7 @@ static const char __pyx_k_unpack[] = "unpack";
 static const char __pyx_k_update[] = "update";
 static const char __pyx_k_asarray[] = "asarray";
 static const char __pyx_k_densify[] = "densify";
+static const char __pyx_k_disable[] = "disable";
 static const char __pyx_k_float32[] = "float32";
 static const char __pyx_k_fortran[] = "fortran";
 static const char __pyx_k_indices[] = "indices";
@@ -1966,13 +3010,16 @@ static const char __pyx_k_memview[] = "memview";
 static const char __pyx_k_ttc_off[] = "ttc_off";
 static const char __pyx_k_twoTime[] = "twoTime";
 static const char __pyx_k_Ellipsis[] = "Ellipsis";
+static const char __pyx_k_Sequence[] = "Sequence";
 static const char __pyx_k_getstate[] = "__getstate__";
 static const char __pyx_k_itemsize[] = "itemsize";
 static const char __pyx_k_pyx_type[] = "__pyx_type";
+static const char __pyx_k_register[] = "register";
 static const char __pyx_k_setstate[] = "__setstate__";
 static const char __pyx_k_sparsify[] = "sparsify";
 static const char __pyx_k_TypeError[] = "TypeError";
 static const char __pyx_k_enumerate[] = "enumerate";
+static const char __pyx_k_isenabled[] = "isenabled";
 static const char __pyx_k_pyx_state[] = "__pyx_state";
 static const char __pyx_k_reduce_ex[] = "__reduce_ex__";
 static const char __pyx_k_reps_prev[] = "reps_prev";
@@ -1983,213 +3030,58 @@ static const char __pyx_k_pyx_result[] = "__pyx_result";
 static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
 static const char __pyx_k_MemoryError[] = "MemoryError";
 static const char __pyx_k_PickleError[] = "PickleError";
+static const char __pyx_k_collections[] = "collections";
 static const char __pyx_k_fxpcs_sparse[] = "fxpcs_sparse";
 static const char __pyx_k_indices_prev[] = "indices_prev";
+static const char __pyx_k_initializing[] = "_initializing";
+static const char __pyx_k_is_coroutine[] = "_is_coroutine";
 static const char __pyx_k_pyx_checksum[] = "__pyx_checksum";
-static const char __pyx_k_stringsource[] = "stringsource";
-static const char __pyx_k_pyx_getbuffer[] = "__pyx_getbuffer";
+static const char __pyx_k_stringsource[] = "<stringsource>";
+static const char __pyx_k_version_info[] = "version_info";
+static const char __pyx_k_class_getitem[] = "__class_getitem__";
 static const char __pyx_k_reduce_cython[] = "__reduce_cython__";
+static const char __pyx_k_AssertionError[] = "AssertionError";
 static const char __pyx_k_View_MemoryView[] = "View.MemoryView";
 static const char __pyx_k_allocate_buffer[] = "allocate_buffer";
+static const char __pyx_k_collections_abc[] = "collections.abc";
 static const char __pyx_k_dtype_is_object[] = "dtype_is_object";
 static const char __pyx_k_pyx_PickleError[] = "__pyx_PickleError";
 static const char __pyx_k_setstate_cython[] = "__setstate_cython__";
 static const char __pyx_k_twoTimeSymmNorm[] = "twoTimeSymmNorm";
 static const char __pyx_k_pyx_unpickle_Enum[] = "__pyx_unpickle_Enum";
+static const char __pyx_k_asyncio_coroutines[] = "asyncio.coroutines";
 static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback";
 static const char __pyx_k_strided_and_direct[] = "<strided and direct>";
 static const char __pyx_k_strided_and_indirect[] = "<strided and indirect>";
+static const char __pyx_k_Invalid_shape_in_axis[] = "Invalid shape in axis ";
 static const char __pyx_k_contiguous_and_direct[] = "<contiguous and direct>";
+static const char __pyx_k_Cannot_index_with_type[] = "Cannot index with type '";
 static const char __pyx_k_MemoryView_of_r_object[] = "<MemoryView of %r object>";
 static const char __pyx_k_MemoryView_of_r_at_0x_x[] = "<MemoryView of %r at 0x%x>";
 static const char __pyx_k_contiguous_and_indirect[] = "<contiguous and indirect>";
-static const char __pyx_k_Cannot_index_with_type_s[] = "Cannot index with type '%s'";
-static const char __pyx_k_Invalid_shape_in_axis_d_d[] = "Invalid shape in axis %d: %d.";
+static const char __pyx_k_Dimension_d_is_not_direct[] = "Dimension %d is not direct";
+static const char __pyx_k_Index_out_of_bounds_axis_d[] = "Index out of bounds (axis %d)";
+static const char __pyx_k_Step_may_not_be_zero_axis_d[] = "Step may not be zero (axis %d)";
 static const char __pyx_k_itemsize_0_for_cython_array[] = "itemsize <= 0 for cython.array";
 static const char __pyx_k_unable_to_allocate_array_data[] = "unable to allocate array data.";
 static const char __pyx_k_strided_and_direct_or_indirect[] = "<strided and direct or indirect>";
+static const char __pyx_k_All_dimensions_preceding_dimensi[] = "All dimensions preceding dimension %d must be indexed and not sliced";
 static const char __pyx_k_Buffer_view_does_not_expose_stri[] = "Buffer view does not expose strides";
 static const char __pyx_k_Can_only_create_a_buffer_that_is[] = "Can only create a buffer that is contiguous in memory.";
 static const char __pyx_k_Cannot_assign_to_read_only_memor[] = "Cannot assign to read-only memoryview";
 static const char __pyx_k_Cannot_create_writable_memory_vi[] = "Cannot create writable memory view from read-only memoryview";
+static const char __pyx_k_Cannot_transpose_memoryview_with[] = "Cannot transpose memoryview with indirect dimensions";
 static const char __pyx_k_Empty_shape_tuple_for_cython_arr[] = "Empty shape tuple for cython.array";
-static const char __pyx_k_Incompatible_checksums_s_vs_0xb0[] = "Incompatible checksums (%s vs 0xb068931 = (name))";
+static const char __pyx_k_Incompatible_checksums_0x_x_vs_0[] = "Incompatible checksums (0x%x vs (0x82a3537, 0x6ae9995, 0xb068931) = (name))";
 static const char __pyx_k_Indirect_dimensions_not_supporte[] = "Indirect dimensions not supported";
-static const char __pyx_k_Invalid_mode_expected_c_or_fortr[] = "Invalid mode, expected 'c' or 'fortran', got %s";
-static const char __pyx_k_Out_of_bounds_on_buffer_access_a[] = "Out of bounds on buffer access (axis %d)";
+static const char __pyx_k_Invalid_mode_expected_c_or_fortr[] = "Invalid mode, expected 'c' or 'fortran', got ";
+static const char __pyx_k_Out_of_bounds_on_buffer_access_a[] = "Out of bounds on buffer access (axis ";
 static const char __pyx_k_Unable_to_convert_item_to_object[] = "Unable to convert item to object";
 static const char __pyx_k_fastXPCS_cython_fxpcs_sparse_pyx[] = "fastXPCS/cython/fxpcs_sparse.pyx";
-static const char __pyx_k_got_differing_extents_in_dimensi[] = "got differing extents in dimension %d (got %d and %d)";
+static const char __pyx_k_got_differing_extents_in_dimensi[] = "got differing extents in dimension ";
 static const char __pyx_k_no_default___reduce___due_to_non[] = "no default __reduce__ due to non-trivial __cinit__";
 static const char __pyx_k_unable_to_allocate_shape_and_str[] = "unable to allocate shape and strides.";
-static PyObject *__pyx_n_s_A;
-static PyObject *__pyx_n_s_ASCII;
-static PyObject *__pyx_kp_s_Buffer_view_does_not_expose_stri;
-static PyObject *__pyx_kp_s_Can_only_create_a_buffer_that_is;
-static PyObject *__pyx_kp_s_Cannot_assign_to_read_only_memor;
-static PyObject *__pyx_kp_s_Cannot_create_writable_memory_vi;
-static PyObject *__pyx_kp_s_Cannot_index_with_type_s;
-static PyObject *__pyx_n_s_Ellipsis;
-static PyObject *__pyx_kp_s_Empty_shape_tuple_for_cython_arr;
-static PyObject *__pyx_kp_s_Incompatible_checksums_s_vs_0xb0;
-static PyObject *__pyx_n_s_IndexError;
-static PyObject *__pyx_kp_s_Indirect_dimensions_not_supporte;
-static PyObject *__pyx_kp_s_Invalid_mode_expected_c_or_fortr;
-static PyObject *__pyx_kp_s_Invalid_shape_in_axis_d_d;
-static PyObject *__pyx_n_s_MemoryError;
-static PyObject *__pyx_kp_s_MemoryView_of_r_at_0x_x;
-static PyObject *__pyx_kp_s_MemoryView_of_r_object;
-static PyObject *__pyx_n_b_O;
-static PyObject *__pyx_kp_s_Out_of_bounds_on_buffer_access_a;
-static PyObject *__pyx_n_s_PickleError;
-static PyObject *__pyx_n_s_TypeError;
-static PyObject *__pyx_kp_s_Unable_to_convert_item_to_object;
-static PyObject *__pyx_n_s_ValueError;
-static PyObject *__pyx_n_s_View_MemoryView;
-static PyObject *__pyx_n_s_a;
-static PyObject *__pyx_n_s_allocate_buffer;
-static PyObject *__pyx_n_s_any;
-static PyObject *__pyx_n_s_argmax;
-static PyObject *__pyx_n_s_asarray;
-static PyObject *__pyx_n_s_astype;
-static PyObject *__pyx_n_s_avg;
-static PyObject *__pyx_n_s_axis;
-static PyObject *__pyx_n_s_b;
-static PyObject *__pyx_n_s_base;
-static PyObject *__pyx_n_s_c;
-static PyObject *__pyx_n_u_c;
-static PyObject *__pyx_n_s_cell;
-static PyObject *__pyx_n_s_class;
-static PyObject *__pyx_n_s_cline_in_traceback;
-static PyObject *__pyx_n_s_col;
-static PyObject *__pyx_n_s_col1;
-static PyObject *__pyx_n_s_col2;
-static PyObject *__pyx_n_s_cond;
-static PyObject *__pyx_kp_s_contiguous_and_direct;
-static PyObject *__pyx_kp_s_contiguous_and_indirect;
-static PyObject *__pyx_n_s_data;
-static PyObject *__pyx_n_s_densify;
-static PyObject *__pyx_n_s_dict;
-static PyObject *__pyx_n_s_dim;
-static PyObject *__pyx_n_s_dtype;
-static PyObject *__pyx_n_s_dtype_is_object;
-static PyObject *__pyx_n_s_elem;
-static PyObject *__pyx_n_s_encode;
-static PyObject *__pyx_n_s_enumerate;
-static PyObject *__pyx_n_s_error;
-static PyObject *__pyx_kp_s_fastXPCS_cython_fxpcs_sparse_pyx;
-static PyObject *__pyx_n_s_flags;
-static PyObject *__pyx_n_s_float32;
-static PyObject *__pyx_n_s_format;
-static PyObject *__pyx_n_s_fortran;
-static PyObject *__pyx_n_u_fortran;
-static PyObject *__pyx_n_s_fxpcs_sparse;
-static PyObject *__pyx_n_s_getstate;
-static PyObject *__pyx_kp_s_got_differing_extents_in_dimensi;
-static PyObject *__pyx_n_s_i;
-static PyObject *__pyx_n_s_id;
-static PyObject *__pyx_n_s_idx;
-static PyObject *__pyx_n_s_import;
-static PyObject *__pyx_n_s_indices;
-static PyObject *__pyx_n_s_indices_prev;
-static PyObject *__pyx_n_s_int16;
-static PyObject *__pyx_n_s_int32;
-static PyObject *__pyx_n_s_int8;
-static PyObject *__pyx_n_s_itemsize;
-static PyObject *__pyx_kp_s_itemsize_0_for_cython_array;
-static PyObject *__pyx_n_s_ix_old;
-static PyObject *__pyx_n_s_ixmsk;
-static PyObject *__pyx_n_s_j;
-static PyObject *__pyx_n_s_j1;
-static PyObject *__pyx_n_s_j2;
-static PyObject *__pyx_n_s_k;
-static PyObject *__pyx_n_s_k1;
-static PyObject *__pyx_n_s_k2;
-static PyObject *__pyx_n_s_l;
-static PyObject *__pyx_n_s_lst_r;
-static PyObject *__pyx_n_s_lst_rP;
-static PyObject *__pyx_n_s_m;
-static PyObject *__pyx_n_s_main;
-static PyObject *__pyx_n_s_mask;
-static PyObject *__pyx_n_s_memview;
-static PyObject *__pyx_n_s_mode;
-static PyObject *__pyx_n_s_n;
-static PyObject *__pyx_n_s_n_reg;
-static PyObject *__pyx_n_s_name;
-static PyObject *__pyx_n_s_name_2;
-static PyObject *__pyx_n_s_ndim;
-static PyObject *__pyx_n_s_new;
-static PyObject *__pyx_kp_s_no_default___reduce___due_to_non;
-static PyObject *__pyx_n_s_np;
-static PyObject *__pyx_n_s_nrm;
-static PyObject *__pyx_n_s_numpy;
-static PyObject *__pyx_n_s_obj;
-static PyObject *__pyx_n_s_out;
-static PyObject *__pyx_n_s_pack;
-static PyObject *__pyx_n_s_pickle;
-static PyObject *__pyx_n_s_pixels;
-static PyObject *__pyx_n_s_pyx_PickleError;
-static PyObject *__pyx_n_s_pyx_checksum;
-static PyObject *__pyx_n_s_pyx_getbuffer;
-static PyObject *__pyx_n_s_pyx_result;
-static PyObject *__pyx_n_s_pyx_state;
-static PyObject *__pyx_n_s_pyx_type;
-static PyObject *__pyx_n_s_pyx_unpickle_Enum;
-static PyObject *__pyx_n_s_pyx_vtable;
-static PyObject *__pyx_n_s_r;
-static PyObject *__pyx_n_s_rP;
-static PyObject *__pyx_n_s_range;
-static PyObject *__pyx_n_s_ravel;
-static PyObject *__pyx_n_s_reduce;
-static PyObject *__pyx_n_s_reduce_cython;
-static PyObject *__pyx_n_s_reduce_ex;
-static PyObject *__pyx_n_s_reps;
-static PyObject *__pyx_n_s_reps_prev;
-static PyObject *__pyx_n_s_rmax;
-static PyObject *__pyx_n_s_rmin;
-static PyObject *__pyx_n_s_row;
-static PyObject *__pyx_n_s_row1;
-static PyObject *__pyx_n_s_row2;
-static PyObject *__pyx_n_s_s1;
-static PyObject *__pyx_n_s_s2;
-static PyObject *__pyx_n_s_s_cnt;
-static PyObject *__pyx_n_s_s_off;
-static PyObject *__pyx_n_s_s_on;
-static PyObject *__pyx_n_s_setstate;
-static PyObject *__pyx_n_s_setstate_cython;
-static PyObject *__pyx_n_s_shape;
-static PyObject *__pyx_n_s_size;
-static PyObject *__pyx_n_s_sparsify;
-static PyObject *__pyx_n_s_sparsify2;
-static PyObject *__pyx_n_s_start;
-static PyObject *__pyx_n_s_step;
-static PyObject *__pyx_n_s_stop;
-static PyObject *__pyx_kp_s_strided_and_direct;
-static PyObject *__pyx_kp_s_strided_and_direct_or_indirect;
-static PyObject *__pyx_kp_s_strided_and_indirect;
-static PyObject *__pyx_kp_s_stringsource;
-static PyObject *__pyx_n_s_struct;
-static PyObject *__pyx_n_s_test;
-static PyObject *__pyx_n_s_ttc;
-static PyObject *__pyx_n_s_ttc_off;
-static PyObject *__pyx_n_s_ttc_on;
-static PyObject *__pyx_n_s_twoTime;
-static PyObject *__pyx_n_s_twoTimeSymmNorm;
-static PyObject *__pyx_n_s_uint32;
-static PyObject *__pyx_kp_s_unable_to_allocate_array_data;
-static PyObject *__pyx_kp_s_unable_to_allocate_shape_and_str;
-static PyObject *__pyx_n_s_unpack;
-static PyObject *__pyx_n_s_update;
-static PyObject *__pyx_n_s_v;
-static PyObject *__pyx_n_s_val;
-static PyObject *__pyx_n_s_val1;
-static PyObject *__pyx_n_s_val2;
-static PyObject *__pyx_n_s_zeros;
-static PyObject *__pyx_pf_12fxpcs_sparse_sparsify(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_data); /* proto */
-static PyObject *__pyx_pf_12fxpcs_sparse_2sparsify2(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_pixels, __Pyx_memviewslice __pyx_v_indices, __Pyx_memviewslice __pyx_v_out); /* proto */
-static PyObject *__pyx_pf_12fxpcs_sparse_4densify(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_indices, PyObject *__pyx_v_size); /* proto */
-static PyObject *__pyx_pf_12fxpcs_sparse_6twoTime(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_indices, __Pyx_memviewslice __pyx_v_reps, CYTHON_UNUSED __Pyx_memviewslice __pyx_v_indices_prev, __Pyx_memviewslice __pyx_v_reps_prev, __Pyx_memviewslice __pyx_v_mask, int __pyx_v_dim); /* proto */
-static PyObject *__pyx_pf_12fxpcs_sparse_8twoTimeSymmNorm(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_indices, __Pyx_memviewslice __pyx_v_reps, __Pyx_memviewslice __pyx_v_mask, __Pyx_memviewslice __pyx_v_avg, int __pyx_v_dim); /* proto */
+/* #### Code section: decls ### */
 static int __pyx_array___pyx_pf_15View_dot_MemoryView_5array___cinit__(struct __pyx_array_obj *__pyx_v_self, PyObject *__pyx_v_shape, Py_ssize_t __pyx_v_itemsize, PyObject *__pyx_v_format, PyObject *__pyx_v_mode, int __pyx_v_allocate_buffer); /* proto */
 static int __pyx_array___pyx_pf_15View_dot_MemoryView_5array_2__getbuffer__(struct __pyx_array_obj *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /* proto */
 static void __pyx_array___pyx_pf_15View_dot_MemoryView_5array_4__dealloc__(struct __pyx_array_obj *__pyx_v_self); /* proto */
@@ -2228,17804 +3120,22135 @@ static PyObject *__pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_22
 static PyObject *__pyx_pf___pyx_memoryview___reduce_cython__(CYTHON_UNUSED struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf___pyx_memoryview_2__setstate_cython__(CYTHON_UNUSED struct __pyx_memoryview_obj *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
 static void __pyx_memoryviewslice___pyx_pf_15View_dot_MemoryView_16_memoryviewslice___dealloc__(struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_15View_dot_MemoryView_16_memoryviewslice_4base___get__(struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf___pyx_memoryviewslice___reduce_cython__(CYTHON_UNUSED struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf___pyx_memoryviewslice_2__setstate_cython__(CYTHON_UNUSED struct __pyx_memoryviewslice_obj *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
 static PyObject *__pyx_pf_15View_dot_MemoryView___pyx_unpickle_Enum(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v___pyx_type, long __pyx_v___pyx_checksum, PyObject *__pyx_v___pyx_state); /* proto */
+static PyObject *__pyx_pf_12fxpcs_sparse_sparsify(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_data); /* proto */
+static PyObject *__pyx_pf_12fxpcs_sparse_2sparsify2(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_pixels, __Pyx_memviewslice __pyx_v_indices, __Pyx_memviewslice __pyx_v_out); /* proto */
+static PyObject *__pyx_pf_12fxpcs_sparse_4densify(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_indices, PyObject *__pyx_v_size); /* proto */
+static PyObject *__pyx_pf_12fxpcs_sparse_6twoTime(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_indices, __Pyx_memviewslice __pyx_v_reps, CYTHON_UNUSED __Pyx_memviewslice __pyx_v_indices_prev, __Pyx_memviewslice __pyx_v_reps_prev, __Pyx_memviewslice __pyx_v_mask, int __pyx_v_dim); /* proto */
+static PyObject *__pyx_pf_12fxpcs_sparse_8twoTimeSymmNorm(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_indices, __Pyx_memviewslice __pyx_v_reps, __Pyx_memviewslice __pyx_v_mask, __Pyx_memviewslice __pyx_v_avg, int __pyx_v_dim); /* proto */
 static PyObject *__pyx_tp_new_array(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
 static PyObject *__pyx_tp_new_Enum(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
 static PyObject *__pyx_tp_new_memoryview(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
 static PyObject *__pyx_tp_new__memoryviewslice(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_int_0;
-static PyObject *__pyx_int_1;
-static PyObject *__pyx_int_184977713;
-static PyObject *__pyx_int_neg_1;
-static PyObject *__pyx_tuple_;
-static PyObject *__pyx_tuple__2;
-static PyObject *__pyx_tuple__3;
-static PyObject *__pyx_tuple__4;
-static PyObject *__pyx_tuple__5;
-static PyObject *__pyx_tuple__6;
-static PyObject *__pyx_tuple__7;
-static PyObject *__pyx_tuple__8;
-static PyObject *__pyx_tuple__9;
-static PyObject *__pyx_slice__15;
-static PyObject *__pyx_tuple__10;
-static PyObject *__pyx_tuple__11;
-static PyObject *__pyx_tuple__12;
-static PyObject *__pyx_tuple__13;
-static PyObject *__pyx_tuple__14;
-static PyObject *__pyx_tuple__16;
-static PyObject *__pyx_tuple__17;
-static PyObject *__pyx_tuple__18;
-static PyObject *__pyx_tuple__19;
-static PyObject *__pyx_tuple__21;
-static PyObject *__pyx_tuple__23;
-static PyObject *__pyx_tuple__25;
-static PyObject *__pyx_tuple__27;
-static PyObject *__pyx_tuple__29;
-static PyObject *__pyx_tuple__30;
-static PyObject *__pyx_tuple__31;
-static PyObject *__pyx_tuple__32;
-static PyObject *__pyx_tuple__33;
-static PyObject *__pyx_tuple__34;
-static PyObject *__pyx_codeobj__20;
-static PyObject *__pyx_codeobj__22;
-static PyObject *__pyx_codeobj__24;
-static PyObject *__pyx_codeobj__26;
-static PyObject *__pyx_codeobj__28;
-static PyObject *__pyx_codeobj__35;
-/* Late includes */
-
-/* "fxpcs_sparse.pyx":6
- * @cython.boundscheck(False)
- * @cython.wraparound(False)
- * def sparsify( int[:,::1] data):             # <<<<<<<<<<<<<<
+/* #### Code section: late_includes ### */
+/* #### Code section: module_state ### */
+typedef struct {
+  PyObject *__pyx_d;
+  PyObject *__pyx_b;
+  PyObject *__pyx_cython_runtime;
+  PyObject *__pyx_empty_tuple;
+  PyObject *__pyx_empty_bytes;
+  PyObject *__pyx_empty_unicode;
+  #ifdef __Pyx_CyFunction_USED
+  PyTypeObject *__pyx_CyFunctionType;
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  PyTypeObject *__pyx_FusedFunctionType;
+  #endif
+  #ifdef __Pyx_Generator_USED
+  PyTypeObject *__pyx_GeneratorType;
+  #endif
+  #ifdef __Pyx_IterableCoroutine_USED
+  PyTypeObject *__pyx_IterableCoroutineType;
+  #endif
+  #ifdef __Pyx_Coroutine_USED
+  PyTypeObject *__pyx_CoroutineAwaitType;
+  #endif
+  #ifdef __Pyx_Coroutine_USED
+  PyTypeObject *__pyx_CoroutineType;
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  PyObject *__pyx_type___pyx_array;
+  PyObject *__pyx_type___pyx_MemviewEnum;
+  PyObject *__pyx_type___pyx_memoryview;
+  PyObject *__pyx_type___pyx_memoryviewslice;
+  #endif
+  PyTypeObject *__pyx_array_type;
+  PyTypeObject *__pyx_MemviewEnum_type;
+  PyTypeObject *__pyx_memoryview_type;
+  PyTypeObject *__pyx_memoryviewslice_type;
+  PyObject *__pyx_kp_u_;
+  PyObject *__pyx_n_s_A;
+  PyObject *__pyx_n_s_ASCII;
+  PyObject *__pyx_kp_s_All_dimensions_preceding_dimensi;
+  PyObject *__pyx_n_s_AssertionError;
+  PyObject *__pyx_kp_s_Buffer_view_does_not_expose_stri;
+  PyObject *__pyx_kp_s_Can_only_create_a_buffer_that_is;
+  PyObject *__pyx_kp_s_Cannot_assign_to_read_only_memor;
+  PyObject *__pyx_kp_s_Cannot_create_writable_memory_vi;
+  PyObject *__pyx_kp_u_Cannot_index_with_type;
+  PyObject *__pyx_kp_s_Cannot_transpose_memoryview_with;
+  PyObject *__pyx_kp_s_Dimension_d_is_not_direct;
+  PyObject *__pyx_n_s_Ellipsis;
+  PyObject *__pyx_kp_s_Empty_shape_tuple_for_cython_arr;
+  PyObject *__pyx_kp_s_Incompatible_checksums_0x_x_vs_0;
+  PyObject *__pyx_n_s_IndexError;
+  PyObject *__pyx_kp_s_Index_out_of_bounds_axis_d;
+  PyObject *__pyx_kp_s_Indirect_dimensions_not_supporte;
+  PyObject *__pyx_kp_u_Invalid_mode_expected_c_or_fortr;
+  PyObject *__pyx_kp_u_Invalid_shape_in_axis;
+  PyObject *__pyx_n_s_MemoryError;
+  PyObject *__pyx_kp_s_MemoryView_of_r_at_0x_x;
+  PyObject *__pyx_kp_s_MemoryView_of_r_object;
+  PyObject *__pyx_n_b_O;
+  PyObject *__pyx_kp_u_Out_of_bounds_on_buffer_access_a;
+  PyObject *__pyx_n_s_PickleError;
+  PyObject *__pyx_n_s_Sequence;
+  PyObject *__pyx_kp_s_Step_may_not_be_zero_axis_d;
+  PyObject *__pyx_n_s_TypeError;
+  PyObject *__pyx_kp_s_Unable_to_convert_item_to_object;
+  PyObject *__pyx_n_s_ValueError;
+  PyObject *__pyx_n_s_View_MemoryView;
+  PyObject *__pyx_kp_u__2;
+  PyObject *__pyx_n_s__3;
+  PyObject *__pyx_n_s__30;
+  PyObject *__pyx_kp_u__6;
+  PyObject *__pyx_kp_u__7;
+  PyObject *__pyx_n_s_a;
+  PyObject *__pyx_n_s_abc;
+  PyObject *__pyx_n_s_allocate_buffer;
+  PyObject *__pyx_kp_u_and;
+  PyObject *__pyx_n_s_any;
+  PyObject *__pyx_n_s_argmax;
+  PyObject *__pyx_n_s_asarray;
+  PyObject *__pyx_n_s_astype;
+  PyObject *__pyx_n_s_asyncio_coroutines;
+  PyObject *__pyx_n_s_avg;
+  PyObject *__pyx_n_s_axis;
+  PyObject *__pyx_n_s_b;
+  PyObject *__pyx_n_s_base;
+  PyObject *__pyx_n_s_c;
+  PyObject *__pyx_n_u_c;
+  PyObject *__pyx_n_s_cell;
+  PyObject *__pyx_n_s_class;
+  PyObject *__pyx_n_s_class_getitem;
+  PyObject *__pyx_n_s_cline_in_traceback;
+  PyObject *__pyx_n_s_col;
+  PyObject *__pyx_n_s_col1;
+  PyObject *__pyx_n_s_col2;
+  PyObject *__pyx_n_s_collections;
+  PyObject *__pyx_kp_s_collections_abc;
+  PyObject *__pyx_n_s_cond;
+  PyObject *__pyx_kp_s_contiguous_and_direct;
+  PyObject *__pyx_kp_s_contiguous_and_indirect;
+  PyObject *__pyx_n_s_count;
+  PyObject *__pyx_n_s_data;
+  PyObject *__pyx_n_s_densify;
+  PyObject *__pyx_n_s_dict;
+  PyObject *__pyx_n_s_dim;
+  PyObject *__pyx_kp_u_disable;
+  PyObject *__pyx_n_s_dtype;
+  PyObject *__pyx_n_s_dtype_is_object;
+  PyObject *__pyx_n_s_elem;
+  PyObject *__pyx_kp_u_enable;
+  PyObject *__pyx_n_s_encode;
+  PyObject *__pyx_n_s_enumerate;
+  PyObject *__pyx_n_s_error;
+  PyObject *__pyx_kp_s_fastXPCS_cython_fxpcs_sparse_pyx;
+  PyObject *__pyx_n_s_flags;
+  PyObject *__pyx_n_s_float32;
+  PyObject *__pyx_n_s_format;
+  PyObject *__pyx_n_s_fortran;
+  PyObject *__pyx_n_u_fortran;
+  PyObject *__pyx_n_s_fxpcs_sparse;
+  PyObject *__pyx_kp_u_gc;
+  PyObject *__pyx_n_s_getstate;
+  PyObject *__pyx_kp_u_got;
+  PyObject *__pyx_kp_u_got_differing_extents_in_dimensi;
+  PyObject *__pyx_n_s_i;
+  PyObject *__pyx_n_s_id;
+  PyObject *__pyx_n_s_idx;
+  PyObject *__pyx_n_s_import;
+  PyObject *__pyx_n_s_index;
+  PyObject *__pyx_n_s_indices;
+  PyObject *__pyx_n_s_indices_prev;
+  PyObject *__pyx_n_s_initializing;
+  PyObject *__pyx_n_s_int16;
+  PyObject *__pyx_n_s_int32;
+  PyObject *__pyx_n_s_int8;
+  PyObject *__pyx_n_s_is_coroutine;
+  PyObject *__pyx_kp_u_isenabled;
+  PyObject *__pyx_n_s_itemsize;
+  PyObject *__pyx_kp_s_itemsize_0_for_cython_array;
+  PyObject *__pyx_n_s_ix_old;
+  PyObject *__pyx_n_s_ixmsk;
+  PyObject *__pyx_n_s_j;
+  PyObject *__pyx_n_s_j1;
+  PyObject *__pyx_n_s_j2;
+  PyObject *__pyx_n_s_k;
+  PyObject *__pyx_n_s_k1;
+  PyObject *__pyx_n_s_k2;
+  PyObject *__pyx_n_s_l;
+  PyObject *__pyx_n_s_lst_r;
+  PyObject *__pyx_n_s_lst_rP;
+  PyObject *__pyx_n_s_m;
+  PyObject *__pyx_n_s_main;
+  PyObject *__pyx_n_s_mask;
+  PyObject *__pyx_n_s_memview;
+  PyObject *__pyx_n_s_mode;
+  PyObject *__pyx_n_s_n;
+  PyObject *__pyx_n_s_n_reg;
+  PyObject *__pyx_n_s_name;
+  PyObject *__pyx_n_s_name_2;
+  PyObject *__pyx_n_s_ndim;
+  PyObject *__pyx_n_s_new;
+  PyObject *__pyx_kp_s_no_default___reduce___due_to_non;
+  PyObject *__pyx_n_s_np;
+  PyObject *__pyx_n_s_nrm;
+  PyObject *__pyx_n_s_numpy;
+  PyObject *__pyx_n_s_obj;
+  PyObject *__pyx_n_s_out;
+  PyObject *__pyx_n_s_pack;
+  PyObject *__pyx_n_s_pickle;
+  PyObject *__pyx_n_s_pixels;
+  PyObject *__pyx_n_s_pyx_PickleError;
+  PyObject *__pyx_n_s_pyx_checksum;
+  PyObject *__pyx_n_s_pyx_result;
+  PyObject *__pyx_n_s_pyx_state;
+  PyObject *__pyx_n_s_pyx_type;
+  PyObject *__pyx_n_s_pyx_unpickle_Enum;
+  PyObject *__pyx_n_s_pyx_vtable;
+  PyObject *__pyx_n_s_r;
+  PyObject *__pyx_n_s_rP;
+  PyObject *__pyx_n_s_range;
+  PyObject *__pyx_n_s_ravel;
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+  PyObject *__pyx_n_s_reduce_cython;
+  PyObject *__pyx_n_s_reduce_ex;
+  PyObject *__pyx_n_s_register;
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+  PyObject *__pyx_n_s_rmax;
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+  PyObject *__pyx_n_s_s_on;
+  PyObject *__pyx_n_s_setstate;
+  PyObject *__pyx_n_s_setstate_cython;
+  PyObject *__pyx_n_s_shape;
+  PyObject *__pyx_n_s_size;
+  PyObject *__pyx_n_s_sparsify;
+  PyObject *__pyx_n_s_sparsify2;
+  PyObject *__pyx_n_s_spec;
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+  PyObject *__pyx_n_s_step;
+  PyObject *__pyx_n_s_stop;
+  PyObject *__pyx_kp_s_strided_and_direct;
+  PyObject *__pyx_kp_s_strided_and_direct_or_indirect;
+  PyObject *__pyx_kp_s_strided_and_indirect;
+  PyObject *__pyx_kp_s_stringsource;
+  PyObject *__pyx_n_s_struct;
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+  PyObject *__pyx_n_s_ttc_on;
+  PyObject *__pyx_n_s_twoTime;
+  PyObject *__pyx_n_s_twoTimeSymmNorm;
+  PyObject *__pyx_n_s_uint32;
+  PyObject *__pyx_kp_s_unable_to_allocate_array_data;
+  PyObject *__pyx_kp_s_unable_to_allocate_shape_and_str;
+  PyObject *__pyx_n_s_unpack;
+  PyObject *__pyx_n_s_update;
+  PyObject *__pyx_n_s_v;
+  PyObject *__pyx_n_s_val;
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+  PyObject *__pyx_n_s_val2;
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+  PyObject *__pyx_tuple__17;
+  PyObject *__pyx_tuple__18;
+  PyObject *__pyx_tuple__20;
+  PyObject *__pyx_tuple__22;
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+  PyObject *__pyx_codeobj__19;
+  PyObject *__pyx_codeobj__21;
+  PyObject *__pyx_codeobj__23;
+  PyObject *__pyx_codeobj__25;
+  PyObject *__pyx_codeobj__27;
+  PyObject *__pyx_codeobj__29;
+} __pyx_mstate;
+
+#if CYTHON_USE_MODULE_STATE
+#ifdef __cplusplus
+namespace {
+  extern struct PyModuleDef __pyx_moduledef;
+} /* anonymous namespace */
+#else
+static struct PyModuleDef __pyx_moduledef;
+#endif
+
+#define __pyx_mstate(o) ((__pyx_mstate *)__Pyx_PyModule_GetState(o))
+
+#define __pyx_mstate_global (__pyx_mstate(PyState_FindModule(&__pyx_moduledef)))
+
+#define __pyx_m (PyState_FindModule(&__pyx_moduledef))
+#else
+static __pyx_mstate __pyx_mstate_global_static =
+#ifdef __cplusplus
+    {};
+#else
+    {0};
+#endif
+static __pyx_mstate *__pyx_mstate_global = &__pyx_mstate_global_static;
+#endif
+/* #### Code section: module_state_clear ### */
+#if CYTHON_USE_MODULE_STATE
+static int __pyx_m_clear(PyObject *m) {
+  __pyx_mstate *clear_module_state = __pyx_mstate(m);
+  if (!clear_module_state) return 0;
+  Py_CLEAR(clear_module_state->__pyx_d);
+  Py_CLEAR(clear_module_state->__pyx_b);
+  Py_CLEAR(clear_module_state->__pyx_cython_runtime);
+  Py_CLEAR(clear_module_state->__pyx_empty_tuple);
+  Py_CLEAR(clear_module_state->__pyx_empty_bytes);
+  Py_CLEAR(clear_module_state->__pyx_empty_unicode);
+  #ifdef __Pyx_CyFunction_USED
+  Py_CLEAR(clear_module_state->__pyx_CyFunctionType);
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  Py_CLEAR(clear_module_state->__pyx_FusedFunctionType);
+  #endif
+  Py_CLEAR(clear_module_state->__pyx_array_type);
+  Py_CLEAR(clear_module_state->__pyx_type___pyx_array);
+  Py_CLEAR(clear_module_state->__pyx_MemviewEnum_type);
+  Py_CLEAR(clear_module_state->__pyx_type___pyx_MemviewEnum);
+  Py_CLEAR(clear_module_state->__pyx_memoryview_type);
+  Py_CLEAR(clear_module_state->__pyx_type___pyx_memoryview);
+  Py_CLEAR(clear_module_state->__pyx_memoryviewslice_type);
+  Py_CLEAR(clear_module_state->__pyx_type___pyx_memoryviewslice);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_);
+  Py_CLEAR(clear_module_state->__pyx_n_s_A);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ASCII);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_All_dimensions_preceding_dimensi);
+  Py_CLEAR(clear_module_state->__pyx_n_s_AssertionError);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Buffer_view_does_not_expose_stri);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Can_only_create_a_buffer_that_is);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Cannot_assign_to_read_only_memor);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Cannot_create_writable_memory_vi);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_Cannot_index_with_type);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Cannot_transpose_memoryview_with);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Dimension_d_is_not_direct);
+  Py_CLEAR(clear_module_state->__pyx_n_s_Ellipsis);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Empty_shape_tuple_for_cython_arr);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Incompatible_checksums_0x_x_vs_0);
+  Py_CLEAR(clear_module_state->__pyx_n_s_IndexError);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Index_out_of_bounds_axis_d);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Indirect_dimensions_not_supporte);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_Invalid_mode_expected_c_or_fortr);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_Invalid_shape_in_axis);
+  Py_CLEAR(clear_module_state->__pyx_n_s_MemoryError);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_MemoryView_of_r_at_0x_x);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_MemoryView_of_r_object);
+  Py_CLEAR(clear_module_state->__pyx_n_b_O);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_Out_of_bounds_on_buffer_access_a);
+  Py_CLEAR(clear_module_state->__pyx_n_s_PickleError);
+  Py_CLEAR(clear_module_state->__pyx_n_s_Sequence);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Step_may_not_be_zero_axis_d);
+  Py_CLEAR(clear_module_state->__pyx_n_s_TypeError);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Unable_to_convert_item_to_object);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ValueError);
+  Py_CLEAR(clear_module_state->__pyx_n_s_View_MemoryView);
+  Py_CLEAR(clear_module_state->__pyx_kp_u__2);
+  Py_CLEAR(clear_module_state->__pyx_n_s__3);
+  Py_CLEAR(clear_module_state->__pyx_n_s__30);
+  Py_CLEAR(clear_module_state->__pyx_kp_u__6);
+  Py_CLEAR(clear_module_state->__pyx_kp_u__7);
+  Py_CLEAR(clear_module_state->__pyx_n_s_a);
+  Py_CLEAR(clear_module_state->__pyx_n_s_abc);
+  Py_CLEAR(clear_module_state->__pyx_n_s_allocate_buffer);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_and);
+  Py_CLEAR(clear_module_state->__pyx_n_s_any);
+  Py_CLEAR(clear_module_state->__pyx_n_s_argmax);
+  Py_CLEAR(clear_module_state->__pyx_n_s_asarray);
+  Py_CLEAR(clear_module_state->__pyx_n_s_astype);
+  Py_CLEAR(clear_module_state->__pyx_n_s_asyncio_coroutines);
+  Py_CLEAR(clear_module_state->__pyx_n_s_avg);
+  Py_CLEAR(clear_module_state->__pyx_n_s_axis);
+  Py_CLEAR(clear_module_state->__pyx_n_s_b);
+  Py_CLEAR(clear_module_state->__pyx_n_s_base);
+  Py_CLEAR(clear_module_state->__pyx_n_s_c);
+  Py_CLEAR(clear_module_state->__pyx_n_u_c);
+  Py_CLEAR(clear_module_state->__pyx_n_s_cell);
+  Py_CLEAR(clear_module_state->__pyx_n_s_class);
+  Py_CLEAR(clear_module_state->__pyx_n_s_class_getitem);
+  Py_CLEAR(clear_module_state->__pyx_n_s_cline_in_traceback);
+  Py_CLEAR(clear_module_state->__pyx_n_s_col);
+  Py_CLEAR(clear_module_state->__pyx_n_s_col1);
+  Py_CLEAR(clear_module_state->__pyx_n_s_col2);
+  Py_CLEAR(clear_module_state->__pyx_n_s_collections);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_collections_abc);
+  Py_CLEAR(clear_module_state->__pyx_n_s_cond);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_contiguous_and_direct);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_contiguous_and_indirect);
+  Py_CLEAR(clear_module_state->__pyx_n_s_count);
+  Py_CLEAR(clear_module_state->__pyx_n_s_data);
+  Py_CLEAR(clear_module_state->__pyx_n_s_densify);
+  Py_CLEAR(clear_module_state->__pyx_n_s_dict);
+  Py_CLEAR(clear_module_state->__pyx_n_s_dim);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_disable);
+  Py_CLEAR(clear_module_state->__pyx_n_s_dtype);
+  Py_CLEAR(clear_module_state->__pyx_n_s_dtype_is_object);
+  Py_CLEAR(clear_module_state->__pyx_n_s_elem);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_enable);
+  Py_CLEAR(clear_module_state->__pyx_n_s_encode);
+  Py_CLEAR(clear_module_state->__pyx_n_s_enumerate);
+  Py_CLEAR(clear_module_state->__pyx_n_s_error);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_fastXPCS_cython_fxpcs_sparse_pyx);
+  Py_CLEAR(clear_module_state->__pyx_n_s_flags);
+  Py_CLEAR(clear_module_state->__pyx_n_s_float32);
+  Py_CLEAR(clear_module_state->__pyx_n_s_format);
+  Py_CLEAR(clear_module_state->__pyx_n_s_fortran);
+  Py_CLEAR(clear_module_state->__pyx_n_u_fortran);
+  Py_CLEAR(clear_module_state->__pyx_n_s_fxpcs_sparse);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_gc);
+  Py_CLEAR(clear_module_state->__pyx_n_s_getstate);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_got);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_got_differing_extents_in_dimensi);
+  Py_CLEAR(clear_module_state->__pyx_n_s_i);
+  Py_CLEAR(clear_module_state->__pyx_n_s_id);
+  Py_CLEAR(clear_module_state->__pyx_n_s_idx);
+  Py_CLEAR(clear_module_state->__pyx_n_s_import);
+  Py_CLEAR(clear_module_state->__pyx_n_s_index);
+  Py_CLEAR(clear_module_state->__pyx_n_s_indices);
+  Py_CLEAR(clear_module_state->__pyx_n_s_indices_prev);
+  Py_CLEAR(clear_module_state->__pyx_n_s_initializing);
+  Py_CLEAR(clear_module_state->__pyx_n_s_int16);
+  Py_CLEAR(clear_module_state->__pyx_n_s_int32);
+  Py_CLEAR(clear_module_state->__pyx_n_s_int8);
+  Py_CLEAR(clear_module_state->__pyx_n_s_is_coroutine);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_isenabled);
+  Py_CLEAR(clear_module_state->__pyx_n_s_itemsize);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_itemsize_0_for_cython_array);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ix_old);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ixmsk);
+  Py_CLEAR(clear_module_state->__pyx_n_s_j);
+  Py_CLEAR(clear_module_state->__pyx_n_s_j1);
+  Py_CLEAR(clear_module_state->__pyx_n_s_j2);
+  Py_CLEAR(clear_module_state->__pyx_n_s_k);
+  Py_CLEAR(clear_module_state->__pyx_n_s_k1);
+  Py_CLEAR(clear_module_state->__pyx_n_s_k2);
+  Py_CLEAR(clear_module_state->__pyx_n_s_l);
+  Py_CLEAR(clear_module_state->__pyx_n_s_lst_r);
+  Py_CLEAR(clear_module_state->__pyx_n_s_lst_rP);
+  Py_CLEAR(clear_module_state->__pyx_n_s_m);
+  Py_CLEAR(clear_module_state->__pyx_n_s_main);
+  Py_CLEAR(clear_module_state->__pyx_n_s_mask);
+  Py_CLEAR(clear_module_state->__pyx_n_s_memview);
+  Py_CLEAR(clear_module_state->__pyx_n_s_mode);
+  Py_CLEAR(clear_module_state->__pyx_n_s_n);
+  Py_CLEAR(clear_module_state->__pyx_n_s_n_reg);
+  Py_CLEAR(clear_module_state->__pyx_n_s_name);
+  Py_CLEAR(clear_module_state->__pyx_n_s_name_2);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ndim);
+  Py_CLEAR(clear_module_state->__pyx_n_s_new);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_no_default___reduce___due_to_non);
+  Py_CLEAR(clear_module_state->__pyx_n_s_np);
+  Py_CLEAR(clear_module_state->__pyx_n_s_nrm);
+  Py_CLEAR(clear_module_state->__pyx_n_s_numpy);
+  Py_CLEAR(clear_module_state->__pyx_n_s_obj);
+  Py_CLEAR(clear_module_state->__pyx_n_s_out);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pack);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pickle);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pixels);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_PickleError);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_checksum);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_result);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_state);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_type);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_unpickle_Enum);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_vtable);
+  Py_CLEAR(clear_module_state->__pyx_n_s_r);
+  Py_CLEAR(clear_module_state->__pyx_n_s_rP);
+  Py_CLEAR(clear_module_state->__pyx_n_s_range);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ravel);
+  Py_CLEAR(clear_module_state->__pyx_n_s_reduce);
+  Py_CLEAR(clear_module_state->__pyx_n_s_reduce_cython);
+  Py_CLEAR(clear_module_state->__pyx_n_s_reduce_ex);
+  Py_CLEAR(clear_module_state->__pyx_n_s_register);
+  Py_CLEAR(clear_module_state->__pyx_n_s_reps);
+  Py_CLEAR(clear_module_state->__pyx_n_s_reps_prev);
+  Py_CLEAR(clear_module_state->__pyx_n_s_rmax);
+  Py_CLEAR(clear_module_state->__pyx_n_s_rmin);
+  Py_CLEAR(clear_module_state->__pyx_n_s_row);
+  Py_CLEAR(clear_module_state->__pyx_n_s_row1);
+  Py_CLEAR(clear_module_state->__pyx_n_s_row2);
+  Py_CLEAR(clear_module_state->__pyx_n_s_s1);
+  Py_CLEAR(clear_module_state->__pyx_n_s_s2);
+  Py_CLEAR(clear_module_state->__pyx_n_s_s_cnt);
+  Py_CLEAR(clear_module_state->__pyx_n_s_s_off);
+  Py_CLEAR(clear_module_state->__pyx_n_s_s_on);
+  Py_CLEAR(clear_module_state->__pyx_n_s_setstate);
+  Py_CLEAR(clear_module_state->__pyx_n_s_setstate_cython);
+  Py_CLEAR(clear_module_state->__pyx_n_s_shape);
+  Py_CLEAR(clear_module_state->__pyx_n_s_size);
+  Py_CLEAR(clear_module_state->__pyx_n_s_sparsify);
+  Py_CLEAR(clear_module_state->__pyx_n_s_sparsify2);
+  Py_CLEAR(clear_module_state->__pyx_n_s_spec);
+  Py_CLEAR(clear_module_state->__pyx_n_s_start);
+  Py_CLEAR(clear_module_state->__pyx_n_s_step);
+  Py_CLEAR(clear_module_state->__pyx_n_s_stop);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_strided_and_direct);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_strided_and_direct_or_indirect);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_strided_and_indirect);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_stringsource);
+  Py_CLEAR(clear_module_state->__pyx_n_s_struct);
+  Py_CLEAR(clear_module_state->__pyx_n_s_sys);
+  Py_CLEAR(clear_module_state->__pyx_n_s_test);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ttc);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ttc_off);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ttc_on);
+  Py_CLEAR(clear_module_state->__pyx_n_s_twoTime);
+  Py_CLEAR(clear_module_state->__pyx_n_s_twoTimeSymmNorm);
+  Py_CLEAR(clear_module_state->__pyx_n_s_uint32);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_unable_to_allocate_array_data);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_unable_to_allocate_shape_and_str);
+  Py_CLEAR(clear_module_state->__pyx_n_s_unpack);
+  Py_CLEAR(clear_module_state->__pyx_n_s_update);
+  Py_CLEAR(clear_module_state->__pyx_n_s_v);
+  Py_CLEAR(clear_module_state->__pyx_n_s_val);
+  Py_CLEAR(clear_module_state->__pyx_n_s_val1);
+  Py_CLEAR(clear_module_state->__pyx_n_s_val2);
+  Py_CLEAR(clear_module_state->__pyx_n_s_version_info);
+  Py_CLEAR(clear_module_state->__pyx_n_s_zeros);
+  Py_CLEAR(clear_module_state->__pyx_int_0);
+  Py_CLEAR(clear_module_state->__pyx_int_1);
+  Py_CLEAR(clear_module_state->__pyx_int_3);
+  Py_CLEAR(clear_module_state->__pyx_int_112105877);
+  Py_CLEAR(clear_module_state->__pyx_int_136983863);
+  Py_CLEAR(clear_module_state->__pyx_int_184977713);
+  Py_CLEAR(clear_module_state->__pyx_int_neg_1);
+  Py_CLEAR(clear_module_state->__pyx_slice__5);
+  Py_CLEAR(clear_module_state->__pyx_tuple__4);
+  Py_CLEAR(clear_module_state->__pyx_tuple__8);
+  Py_CLEAR(clear_module_state->__pyx_tuple__9);
+  Py_CLEAR(clear_module_state->__pyx_tuple__10);
+  Py_CLEAR(clear_module_state->__pyx_tuple__11);
+  Py_CLEAR(clear_module_state->__pyx_tuple__12);
+  Py_CLEAR(clear_module_state->__pyx_tuple__13);
+  Py_CLEAR(clear_module_state->__pyx_tuple__14);
+  Py_CLEAR(clear_module_state->__pyx_tuple__15);
+  Py_CLEAR(clear_module_state->__pyx_tuple__16);
+  Py_CLEAR(clear_module_state->__pyx_tuple__17);
+  Py_CLEAR(clear_module_state->__pyx_tuple__18);
+  Py_CLEAR(clear_module_state->__pyx_tuple__20);
+  Py_CLEAR(clear_module_state->__pyx_tuple__22);
+  Py_CLEAR(clear_module_state->__pyx_tuple__24);
+  Py_CLEAR(clear_module_state->__pyx_tuple__26);
+  Py_CLEAR(clear_module_state->__pyx_tuple__28);
+  Py_CLEAR(clear_module_state->__pyx_codeobj__19);
+  Py_CLEAR(clear_module_state->__pyx_codeobj__21);
+  Py_CLEAR(clear_module_state->__pyx_codeobj__23);
+  Py_CLEAR(clear_module_state->__pyx_codeobj__25);
+  Py_CLEAR(clear_module_state->__pyx_codeobj__27);
+  Py_CLEAR(clear_module_state->__pyx_codeobj__29);
+  return 0;
+}
+#endif
+/* #### Code section: module_state_traverse ### */
+#if CYTHON_USE_MODULE_STATE
+static int __pyx_m_traverse(PyObject *m, visitproc visit, void *arg) {
+  __pyx_mstate *traverse_module_state = __pyx_mstate(m);
+  if (!traverse_module_state) return 0;
+  Py_VISIT(traverse_module_state->__pyx_d);
+  Py_VISIT(traverse_module_state->__pyx_b);
+  Py_VISIT(traverse_module_state->__pyx_cython_runtime);
+  Py_VISIT(traverse_module_state->__pyx_empty_tuple);
+  Py_VISIT(traverse_module_state->__pyx_empty_bytes);
+  Py_VISIT(traverse_module_state->__pyx_empty_unicode);
+  #ifdef __Pyx_CyFunction_USED
+  Py_VISIT(traverse_module_state->__pyx_CyFunctionType);
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  Py_VISIT(traverse_module_state->__pyx_FusedFunctionType);
+  #endif
+  Py_VISIT(traverse_module_state->__pyx_array_type);
+  Py_VISIT(traverse_module_state->__pyx_type___pyx_array);
+  Py_VISIT(traverse_module_state->__pyx_MemviewEnum_type);
+  Py_VISIT(traverse_module_state->__pyx_type___pyx_MemviewEnum);
+  Py_VISIT(traverse_module_state->__pyx_memoryview_type);
+  Py_VISIT(traverse_module_state->__pyx_type___pyx_memoryview);
+  Py_VISIT(traverse_module_state->__pyx_memoryviewslice_type);
+  Py_VISIT(traverse_module_state->__pyx_type___pyx_memoryviewslice);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_);
+  Py_VISIT(traverse_module_state->__pyx_n_s_A);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ASCII);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_All_dimensions_preceding_dimensi);
+  Py_VISIT(traverse_module_state->__pyx_n_s_AssertionError);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Buffer_view_does_not_expose_stri);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Can_only_create_a_buffer_that_is);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Cannot_assign_to_read_only_memor);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Cannot_create_writable_memory_vi);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_Cannot_index_with_type);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Cannot_transpose_memoryview_with);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Dimension_d_is_not_direct);
+  Py_VISIT(traverse_module_state->__pyx_n_s_Ellipsis);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Empty_shape_tuple_for_cython_arr);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Incompatible_checksums_0x_x_vs_0);
+  Py_VISIT(traverse_module_state->__pyx_n_s_IndexError);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Index_out_of_bounds_axis_d);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Indirect_dimensions_not_supporte);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_Invalid_mode_expected_c_or_fortr);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_Invalid_shape_in_axis);
+  Py_VISIT(traverse_module_state->__pyx_n_s_MemoryError);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_MemoryView_of_r_at_0x_x);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_MemoryView_of_r_object);
+  Py_VISIT(traverse_module_state->__pyx_n_b_O);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_Out_of_bounds_on_buffer_access_a);
+  Py_VISIT(traverse_module_state->__pyx_n_s_PickleError);
+  Py_VISIT(traverse_module_state->__pyx_n_s_Sequence);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Step_may_not_be_zero_axis_d);
+  Py_VISIT(traverse_module_state->__pyx_n_s_TypeError);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Unable_to_convert_item_to_object);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ValueError);
+  Py_VISIT(traverse_module_state->__pyx_n_s_View_MemoryView);
+  Py_VISIT(traverse_module_state->__pyx_kp_u__2);
+  Py_VISIT(traverse_module_state->__pyx_n_s__3);
+  Py_VISIT(traverse_module_state->__pyx_n_s__30);
+  Py_VISIT(traverse_module_state->__pyx_kp_u__6);
+  Py_VISIT(traverse_module_state->__pyx_kp_u__7);
+  Py_VISIT(traverse_module_state->__pyx_n_s_a);
+  Py_VISIT(traverse_module_state->__pyx_n_s_abc);
+  Py_VISIT(traverse_module_state->__pyx_n_s_allocate_buffer);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_and);
+  Py_VISIT(traverse_module_state->__pyx_n_s_any);
+  Py_VISIT(traverse_module_state->__pyx_n_s_argmax);
+  Py_VISIT(traverse_module_state->__pyx_n_s_asarray);
+  Py_VISIT(traverse_module_state->__pyx_n_s_astype);
+  Py_VISIT(traverse_module_state->__pyx_n_s_asyncio_coroutines);
+  Py_VISIT(traverse_module_state->__pyx_n_s_avg);
+  Py_VISIT(traverse_module_state->__pyx_n_s_axis);
+  Py_VISIT(traverse_module_state->__pyx_n_s_b);
+  Py_VISIT(traverse_module_state->__pyx_n_s_base);
+  Py_VISIT(traverse_module_state->__pyx_n_s_c);
+  Py_VISIT(traverse_module_state->__pyx_n_u_c);
+  Py_VISIT(traverse_module_state->__pyx_n_s_cell);
+  Py_VISIT(traverse_module_state->__pyx_n_s_class);
+  Py_VISIT(traverse_module_state->__pyx_n_s_class_getitem);
+  Py_VISIT(traverse_module_state->__pyx_n_s_cline_in_traceback);
+  Py_VISIT(traverse_module_state->__pyx_n_s_col);
+  Py_VISIT(traverse_module_state->__pyx_n_s_col1);
+  Py_VISIT(traverse_module_state->__pyx_n_s_col2);
+  Py_VISIT(traverse_module_state->__pyx_n_s_collections);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_collections_abc);
+  Py_VISIT(traverse_module_state->__pyx_n_s_cond);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_contiguous_and_direct);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_contiguous_and_indirect);
+  Py_VISIT(traverse_module_state->__pyx_n_s_count);
+  Py_VISIT(traverse_module_state->__pyx_n_s_data);
+  Py_VISIT(traverse_module_state->__pyx_n_s_densify);
+  Py_VISIT(traverse_module_state->__pyx_n_s_dict);
+  Py_VISIT(traverse_module_state->__pyx_n_s_dim);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_disable);
+  Py_VISIT(traverse_module_state->__pyx_n_s_dtype);
+  Py_VISIT(traverse_module_state->__pyx_n_s_dtype_is_object);
+  Py_VISIT(traverse_module_state->__pyx_n_s_elem);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_enable);
+  Py_VISIT(traverse_module_state->__pyx_n_s_encode);
+  Py_VISIT(traverse_module_state->__pyx_n_s_enumerate);
+  Py_VISIT(traverse_module_state->__pyx_n_s_error);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_fastXPCS_cython_fxpcs_sparse_pyx);
+  Py_VISIT(traverse_module_state->__pyx_n_s_flags);
+  Py_VISIT(traverse_module_state->__pyx_n_s_float32);
+  Py_VISIT(traverse_module_state->__pyx_n_s_format);
+  Py_VISIT(traverse_module_state->__pyx_n_s_fortran);
+  Py_VISIT(traverse_module_state->__pyx_n_u_fortran);
+  Py_VISIT(traverse_module_state->__pyx_n_s_fxpcs_sparse);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_gc);
+  Py_VISIT(traverse_module_state->__pyx_n_s_getstate);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_got);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_got_differing_extents_in_dimensi);
+  Py_VISIT(traverse_module_state->__pyx_n_s_i);
+  Py_VISIT(traverse_module_state->__pyx_n_s_id);
+  Py_VISIT(traverse_module_state->__pyx_n_s_idx);
+  Py_VISIT(traverse_module_state->__pyx_n_s_import);
+  Py_VISIT(traverse_module_state->__pyx_n_s_index);
+  Py_VISIT(traverse_module_state->__pyx_n_s_indices);
+  Py_VISIT(traverse_module_state->__pyx_n_s_indices_prev);
+  Py_VISIT(traverse_module_state->__pyx_n_s_initializing);
+  Py_VISIT(traverse_module_state->__pyx_n_s_int16);
+  Py_VISIT(traverse_module_state->__pyx_n_s_int32);
+  Py_VISIT(traverse_module_state->__pyx_n_s_int8);
+  Py_VISIT(traverse_module_state->__pyx_n_s_is_coroutine);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_isenabled);
+  Py_VISIT(traverse_module_state->__pyx_n_s_itemsize);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_itemsize_0_for_cython_array);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ix_old);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ixmsk);
+  Py_VISIT(traverse_module_state->__pyx_n_s_j);
+  Py_VISIT(traverse_module_state->__pyx_n_s_j1);
+  Py_VISIT(traverse_module_state->__pyx_n_s_j2);
+  Py_VISIT(traverse_module_state->__pyx_n_s_k);
+  Py_VISIT(traverse_module_state->__pyx_n_s_k1);
+  Py_VISIT(traverse_module_state->__pyx_n_s_k2);
+  Py_VISIT(traverse_module_state->__pyx_n_s_l);
+  Py_VISIT(traverse_module_state->__pyx_n_s_lst_r);
+  Py_VISIT(traverse_module_state->__pyx_n_s_lst_rP);
+  Py_VISIT(traverse_module_state->__pyx_n_s_m);
+  Py_VISIT(traverse_module_state->__pyx_n_s_main);
+  Py_VISIT(traverse_module_state->__pyx_n_s_mask);
+  Py_VISIT(traverse_module_state->__pyx_n_s_memview);
+  Py_VISIT(traverse_module_state->__pyx_n_s_mode);
+  Py_VISIT(traverse_module_state->__pyx_n_s_n);
+  Py_VISIT(traverse_module_state->__pyx_n_s_n_reg);
+  Py_VISIT(traverse_module_state->__pyx_n_s_name);
+  Py_VISIT(traverse_module_state->__pyx_n_s_name_2);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ndim);
+  Py_VISIT(traverse_module_state->__pyx_n_s_new);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_no_default___reduce___due_to_non);
+  Py_VISIT(traverse_module_state->__pyx_n_s_np);
+  Py_VISIT(traverse_module_state->__pyx_n_s_nrm);
+  Py_VISIT(traverse_module_state->__pyx_n_s_numpy);
+  Py_VISIT(traverse_module_state->__pyx_n_s_obj);
+  Py_VISIT(traverse_module_state->__pyx_n_s_out);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pack);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pickle);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pixels);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_PickleError);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_checksum);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_result);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_state);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_type);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_unpickle_Enum);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_vtable);
+  Py_VISIT(traverse_module_state->__pyx_n_s_r);
+  Py_VISIT(traverse_module_state->__pyx_n_s_rP);
+  Py_VISIT(traverse_module_state->__pyx_n_s_range);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ravel);
+  Py_VISIT(traverse_module_state->__pyx_n_s_reduce);
+  Py_VISIT(traverse_module_state->__pyx_n_s_reduce_cython);
+  Py_VISIT(traverse_module_state->__pyx_n_s_reduce_ex);
+  Py_VISIT(traverse_module_state->__pyx_n_s_register);
+  Py_VISIT(traverse_module_state->__pyx_n_s_reps);
+  Py_VISIT(traverse_module_state->__pyx_n_s_reps_prev);
+  Py_VISIT(traverse_module_state->__pyx_n_s_rmax);
+  Py_VISIT(traverse_module_state->__pyx_n_s_rmin);
+  Py_VISIT(traverse_module_state->__pyx_n_s_row);
+  Py_VISIT(traverse_module_state->__pyx_n_s_row1);
+  Py_VISIT(traverse_module_state->__pyx_n_s_row2);
+  Py_VISIT(traverse_module_state->__pyx_n_s_s1);
+  Py_VISIT(traverse_module_state->__pyx_n_s_s2);
+  Py_VISIT(traverse_module_state->__pyx_n_s_s_cnt);
+  Py_VISIT(traverse_module_state->__pyx_n_s_s_off);
+  Py_VISIT(traverse_module_state->__pyx_n_s_s_on);
+  Py_VISIT(traverse_module_state->__pyx_n_s_setstate);
+  Py_VISIT(traverse_module_state->__pyx_n_s_setstate_cython);
+  Py_VISIT(traverse_module_state->__pyx_n_s_shape);
+  Py_VISIT(traverse_module_state->__pyx_n_s_size);
+  Py_VISIT(traverse_module_state->__pyx_n_s_sparsify);
+  Py_VISIT(traverse_module_state->__pyx_n_s_sparsify2);
+  Py_VISIT(traverse_module_state->__pyx_n_s_spec);
+  Py_VISIT(traverse_module_state->__pyx_n_s_start);
+  Py_VISIT(traverse_module_state->__pyx_n_s_step);
+  Py_VISIT(traverse_module_state->__pyx_n_s_stop);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_strided_and_direct);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_strided_and_direct_or_indirect);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_strided_and_indirect);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_stringsource);
+  Py_VISIT(traverse_module_state->__pyx_n_s_struct);
+  Py_VISIT(traverse_module_state->__pyx_n_s_sys);
+  Py_VISIT(traverse_module_state->__pyx_n_s_test);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ttc);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ttc_off);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ttc_on);
+  Py_VISIT(traverse_module_state->__pyx_n_s_twoTime);
+  Py_VISIT(traverse_module_state->__pyx_n_s_twoTimeSymmNorm);
+  Py_VISIT(traverse_module_state->__pyx_n_s_uint32);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_unable_to_allocate_array_data);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_unable_to_allocate_shape_and_str);
+  Py_VISIT(traverse_module_state->__pyx_n_s_unpack);
+  Py_VISIT(traverse_module_state->__pyx_n_s_update);
+  Py_VISIT(traverse_module_state->__pyx_n_s_v);
+  Py_VISIT(traverse_module_state->__pyx_n_s_val);
+  Py_VISIT(traverse_module_state->__pyx_n_s_val1);
+  Py_VISIT(traverse_module_state->__pyx_n_s_val2);
+  Py_VISIT(traverse_module_state->__pyx_n_s_version_info);
+  Py_VISIT(traverse_module_state->__pyx_n_s_zeros);
+  Py_VISIT(traverse_module_state->__pyx_int_0);
+  Py_VISIT(traverse_module_state->__pyx_int_1);
+  Py_VISIT(traverse_module_state->__pyx_int_3);
+  Py_VISIT(traverse_module_state->__pyx_int_112105877);
+  Py_VISIT(traverse_module_state->__pyx_int_136983863);
+  Py_VISIT(traverse_module_state->__pyx_int_184977713);
+  Py_VISIT(traverse_module_state->__pyx_int_neg_1);
+  Py_VISIT(traverse_module_state->__pyx_slice__5);
+  Py_VISIT(traverse_module_state->__pyx_tuple__4);
+  Py_VISIT(traverse_module_state->__pyx_tuple__8);
+  Py_VISIT(traverse_module_state->__pyx_tuple__9);
+  Py_VISIT(traverse_module_state->__pyx_tuple__10);
+  Py_VISIT(traverse_module_state->__pyx_tuple__11);
+  Py_VISIT(traverse_module_state->__pyx_tuple__12);
+  Py_VISIT(traverse_module_state->__pyx_tuple__13);
+  Py_VISIT(traverse_module_state->__pyx_tuple__14);
+  Py_VISIT(traverse_module_state->__pyx_tuple__15);
+  Py_VISIT(traverse_module_state->__pyx_tuple__16);
+  Py_VISIT(traverse_module_state->__pyx_tuple__17);
+  Py_VISIT(traverse_module_state->__pyx_tuple__18);
+  Py_VISIT(traverse_module_state->__pyx_tuple__20);
+  Py_VISIT(traverse_module_state->__pyx_tuple__22);
+  Py_VISIT(traverse_module_state->__pyx_tuple__24);
+  Py_VISIT(traverse_module_state->__pyx_tuple__26);
+  Py_VISIT(traverse_module_state->__pyx_tuple__28);
+  Py_VISIT(traverse_module_state->__pyx_codeobj__19);
+  Py_VISIT(traverse_module_state->__pyx_codeobj__21);
+  Py_VISIT(traverse_module_state->__pyx_codeobj__23);
+  Py_VISIT(traverse_module_state->__pyx_codeobj__25);
+  Py_VISIT(traverse_module_state->__pyx_codeobj__27);
+  Py_VISIT(traverse_module_state->__pyx_codeobj__29);
+  return 0;
+}
+#endif
+/* #### Code section: module_state_defines ### */
+#define __pyx_d __pyx_mstate_global->__pyx_d
+#define __pyx_b __pyx_mstate_global->__pyx_b
+#define __pyx_cython_runtime __pyx_mstate_global->__pyx_cython_runtime
+#define __pyx_empty_tuple __pyx_mstate_global->__pyx_empty_tuple
+#define __pyx_empty_bytes __pyx_mstate_global->__pyx_empty_bytes
+#define __pyx_empty_unicode __pyx_mstate_global->__pyx_empty_unicode
+#ifdef __Pyx_CyFunction_USED
+#define __pyx_CyFunctionType __pyx_mstate_global->__pyx_CyFunctionType
+#endif
+#ifdef __Pyx_FusedFunction_USED
+#define __pyx_FusedFunctionType __pyx_mstate_global->__pyx_FusedFunctionType
+#endif
+#ifdef __Pyx_Generator_USED
+#define __pyx_GeneratorType __pyx_mstate_global->__pyx_GeneratorType
+#endif
+#ifdef __Pyx_IterableCoroutine_USED
+#define __pyx_IterableCoroutineType __pyx_mstate_global->__pyx_IterableCoroutineType
+#endif
+#ifdef __Pyx_Coroutine_USED
+#define __pyx_CoroutineAwaitType __pyx_mstate_global->__pyx_CoroutineAwaitType
+#endif
+#ifdef __Pyx_Coroutine_USED
+#define __pyx_CoroutineType __pyx_mstate_global->__pyx_CoroutineType
+#endif
+#if CYTHON_USE_MODULE_STATE
+#endif
+#if CYTHON_USE_MODULE_STATE
+#endif
+#if CYTHON_USE_MODULE_STATE
+#endif
+#if CYTHON_USE_MODULE_STATE
+#define __pyx_type___pyx_array __pyx_mstate_global->__pyx_type___pyx_array
+#define __pyx_type___pyx_MemviewEnum __pyx_mstate_global->__pyx_type___pyx_MemviewEnum
+#define __pyx_type___pyx_memoryview __pyx_mstate_global->__pyx_type___pyx_memoryview
+#define __pyx_type___pyx_memoryviewslice __pyx_mstate_global->__pyx_type___pyx_memoryviewslice
+#endif
+#define __pyx_array_type __pyx_mstate_global->__pyx_array_type
+#define __pyx_MemviewEnum_type __pyx_mstate_global->__pyx_MemviewEnum_type
+#define __pyx_memoryview_type __pyx_mstate_global->__pyx_memoryview_type
+#define __pyx_memoryviewslice_type __pyx_mstate_global->__pyx_memoryviewslice_type
+#define __pyx_kp_u_ __pyx_mstate_global->__pyx_kp_u_
+#define __pyx_n_s_A __pyx_mstate_global->__pyx_n_s_A
+#define __pyx_n_s_ASCII __pyx_mstate_global->__pyx_n_s_ASCII
+#define __pyx_kp_s_All_dimensions_preceding_dimensi __pyx_mstate_global->__pyx_kp_s_All_dimensions_preceding_dimensi
+#define __pyx_n_s_AssertionError __pyx_mstate_global->__pyx_n_s_AssertionError
+#define __pyx_kp_s_Buffer_view_does_not_expose_stri __pyx_mstate_global->__pyx_kp_s_Buffer_view_does_not_expose_stri
+#define __pyx_kp_s_Can_only_create_a_buffer_that_is __pyx_mstate_global->__pyx_kp_s_Can_only_create_a_buffer_that_is
+#define __pyx_kp_s_Cannot_assign_to_read_only_memor __pyx_mstate_global->__pyx_kp_s_Cannot_assign_to_read_only_memor
+#define __pyx_kp_s_Cannot_create_writable_memory_vi __pyx_mstate_global->__pyx_kp_s_Cannot_create_writable_memory_vi
+#define __pyx_kp_u_Cannot_index_with_type __pyx_mstate_global->__pyx_kp_u_Cannot_index_with_type
+#define __pyx_kp_s_Cannot_transpose_memoryview_with __pyx_mstate_global->__pyx_kp_s_Cannot_transpose_memoryview_with
+#define __pyx_kp_s_Dimension_d_is_not_direct __pyx_mstate_global->__pyx_kp_s_Dimension_d_is_not_direct
+#define __pyx_n_s_Ellipsis __pyx_mstate_global->__pyx_n_s_Ellipsis
+#define __pyx_kp_s_Empty_shape_tuple_for_cython_arr __pyx_mstate_global->__pyx_kp_s_Empty_shape_tuple_for_cython_arr
+#define __pyx_kp_s_Incompatible_checksums_0x_x_vs_0 __pyx_mstate_global->__pyx_kp_s_Incompatible_checksums_0x_x_vs_0
+#define __pyx_n_s_IndexError __pyx_mstate_global->__pyx_n_s_IndexError
+#define __pyx_kp_s_Index_out_of_bounds_axis_d __pyx_mstate_global->__pyx_kp_s_Index_out_of_bounds_axis_d
+#define __pyx_kp_s_Indirect_dimensions_not_supporte __pyx_mstate_global->__pyx_kp_s_Indirect_dimensions_not_supporte
+#define __pyx_kp_u_Invalid_mode_expected_c_or_fortr __pyx_mstate_global->__pyx_kp_u_Invalid_mode_expected_c_or_fortr
+#define __pyx_kp_u_Invalid_shape_in_axis __pyx_mstate_global->__pyx_kp_u_Invalid_shape_in_axis
+#define __pyx_n_s_MemoryError __pyx_mstate_global->__pyx_n_s_MemoryError
+#define __pyx_kp_s_MemoryView_of_r_at_0x_x __pyx_mstate_global->__pyx_kp_s_MemoryView_of_r_at_0x_x
+#define __pyx_kp_s_MemoryView_of_r_object __pyx_mstate_global->__pyx_kp_s_MemoryView_of_r_object
+#define __pyx_n_b_O __pyx_mstate_global->__pyx_n_b_O
+#define __pyx_kp_u_Out_of_bounds_on_buffer_access_a __pyx_mstate_global->__pyx_kp_u_Out_of_bounds_on_buffer_access_a
+#define __pyx_n_s_PickleError __pyx_mstate_global->__pyx_n_s_PickleError
+#define __pyx_n_s_Sequence __pyx_mstate_global->__pyx_n_s_Sequence
+#define __pyx_kp_s_Step_may_not_be_zero_axis_d __pyx_mstate_global->__pyx_kp_s_Step_may_not_be_zero_axis_d
+#define __pyx_n_s_TypeError __pyx_mstate_global->__pyx_n_s_TypeError
+#define __pyx_kp_s_Unable_to_convert_item_to_object __pyx_mstate_global->__pyx_kp_s_Unable_to_convert_item_to_object
+#define __pyx_n_s_ValueError __pyx_mstate_global->__pyx_n_s_ValueError
+#define __pyx_n_s_View_MemoryView __pyx_mstate_global->__pyx_n_s_View_MemoryView
+#define __pyx_kp_u__2 __pyx_mstate_global->__pyx_kp_u__2
+#define __pyx_n_s__3 __pyx_mstate_global->__pyx_n_s__3
+#define __pyx_n_s__30 __pyx_mstate_global->__pyx_n_s__30
+#define __pyx_kp_u__6 __pyx_mstate_global->__pyx_kp_u__6
+#define __pyx_kp_u__7 __pyx_mstate_global->__pyx_kp_u__7
+#define __pyx_n_s_a __pyx_mstate_global->__pyx_n_s_a
+#define __pyx_n_s_abc __pyx_mstate_global->__pyx_n_s_abc
+#define __pyx_n_s_allocate_buffer __pyx_mstate_global->__pyx_n_s_allocate_buffer
+#define __pyx_kp_u_and __pyx_mstate_global->__pyx_kp_u_and
+#define __pyx_n_s_any __pyx_mstate_global->__pyx_n_s_any
+#define __pyx_n_s_argmax __pyx_mstate_global->__pyx_n_s_argmax
+#define __pyx_n_s_asarray __pyx_mstate_global->__pyx_n_s_asarray
+#define __pyx_n_s_astype __pyx_mstate_global->__pyx_n_s_astype
+#define __pyx_n_s_asyncio_coroutines __pyx_mstate_global->__pyx_n_s_asyncio_coroutines
+#define __pyx_n_s_avg __pyx_mstate_global->__pyx_n_s_avg
+#define __pyx_n_s_axis __pyx_mstate_global->__pyx_n_s_axis
+#define __pyx_n_s_b __pyx_mstate_global->__pyx_n_s_b
+#define __pyx_n_s_base __pyx_mstate_global->__pyx_n_s_base
+#define __pyx_n_s_c __pyx_mstate_global->__pyx_n_s_c
+#define __pyx_n_u_c __pyx_mstate_global->__pyx_n_u_c
+#define __pyx_n_s_cell __pyx_mstate_global->__pyx_n_s_cell
+#define __pyx_n_s_class __pyx_mstate_global->__pyx_n_s_class
+#define __pyx_n_s_class_getitem __pyx_mstate_global->__pyx_n_s_class_getitem
+#define __pyx_n_s_cline_in_traceback __pyx_mstate_global->__pyx_n_s_cline_in_traceback
+#define __pyx_n_s_col __pyx_mstate_global->__pyx_n_s_col
+#define __pyx_n_s_col1 __pyx_mstate_global->__pyx_n_s_col1
+#define __pyx_n_s_col2 __pyx_mstate_global->__pyx_n_s_col2
+#define __pyx_n_s_collections __pyx_mstate_global->__pyx_n_s_collections
+#define __pyx_kp_s_collections_abc __pyx_mstate_global->__pyx_kp_s_collections_abc
+#define __pyx_n_s_cond __pyx_mstate_global->__pyx_n_s_cond
+#define __pyx_kp_s_contiguous_and_direct __pyx_mstate_global->__pyx_kp_s_contiguous_and_direct
+#define __pyx_kp_s_contiguous_and_indirect __pyx_mstate_global->__pyx_kp_s_contiguous_and_indirect
+#define __pyx_n_s_count __pyx_mstate_global->__pyx_n_s_count
+#define __pyx_n_s_data __pyx_mstate_global->__pyx_n_s_data
+#define __pyx_n_s_densify __pyx_mstate_global->__pyx_n_s_densify
+#define __pyx_n_s_dict __pyx_mstate_global->__pyx_n_s_dict
+#define __pyx_n_s_dim __pyx_mstate_global->__pyx_n_s_dim
+#define __pyx_kp_u_disable __pyx_mstate_global->__pyx_kp_u_disable
+#define __pyx_n_s_dtype __pyx_mstate_global->__pyx_n_s_dtype
+#define __pyx_n_s_dtype_is_object __pyx_mstate_global->__pyx_n_s_dtype_is_object
+#define __pyx_n_s_elem __pyx_mstate_global->__pyx_n_s_elem
+#define __pyx_kp_u_enable __pyx_mstate_global->__pyx_kp_u_enable
+#define __pyx_n_s_encode __pyx_mstate_global->__pyx_n_s_encode
+#define __pyx_n_s_enumerate __pyx_mstate_global->__pyx_n_s_enumerate
+#define __pyx_n_s_error __pyx_mstate_global->__pyx_n_s_error
+#define __pyx_kp_s_fastXPCS_cython_fxpcs_sparse_pyx __pyx_mstate_global->__pyx_kp_s_fastXPCS_cython_fxpcs_sparse_pyx
+#define __pyx_n_s_flags __pyx_mstate_global->__pyx_n_s_flags
+#define __pyx_n_s_float32 __pyx_mstate_global->__pyx_n_s_float32
+#define __pyx_n_s_format __pyx_mstate_global->__pyx_n_s_format
+#define __pyx_n_s_fortran __pyx_mstate_global->__pyx_n_s_fortran
+#define __pyx_n_u_fortran __pyx_mstate_global->__pyx_n_u_fortran
+#define __pyx_n_s_fxpcs_sparse __pyx_mstate_global->__pyx_n_s_fxpcs_sparse
+#define __pyx_kp_u_gc __pyx_mstate_global->__pyx_kp_u_gc
+#define __pyx_n_s_getstate __pyx_mstate_global->__pyx_n_s_getstate
+#define __pyx_kp_u_got __pyx_mstate_global->__pyx_kp_u_got
+#define __pyx_kp_u_got_differing_extents_in_dimensi __pyx_mstate_global->__pyx_kp_u_got_differing_extents_in_dimensi
+#define __pyx_n_s_i __pyx_mstate_global->__pyx_n_s_i
+#define __pyx_n_s_id __pyx_mstate_global->__pyx_n_s_id
+#define __pyx_n_s_idx __pyx_mstate_global->__pyx_n_s_idx
+#define __pyx_n_s_import __pyx_mstate_global->__pyx_n_s_import
+#define __pyx_n_s_index __pyx_mstate_global->__pyx_n_s_index
+#define __pyx_n_s_indices __pyx_mstate_global->__pyx_n_s_indices
+#define __pyx_n_s_indices_prev __pyx_mstate_global->__pyx_n_s_indices_prev
+#define __pyx_n_s_initializing __pyx_mstate_global->__pyx_n_s_initializing
+#define __pyx_n_s_int16 __pyx_mstate_global->__pyx_n_s_int16
+#define __pyx_n_s_int32 __pyx_mstate_global->__pyx_n_s_int32
+#define __pyx_n_s_int8 __pyx_mstate_global->__pyx_n_s_int8
+#define __pyx_n_s_is_coroutine __pyx_mstate_global->__pyx_n_s_is_coroutine
+#define __pyx_kp_u_isenabled __pyx_mstate_global->__pyx_kp_u_isenabled
+#define __pyx_n_s_itemsize __pyx_mstate_global->__pyx_n_s_itemsize
+#define __pyx_kp_s_itemsize_0_for_cython_array __pyx_mstate_global->__pyx_kp_s_itemsize_0_for_cython_array
+#define __pyx_n_s_ix_old __pyx_mstate_global->__pyx_n_s_ix_old
+#define __pyx_n_s_ixmsk __pyx_mstate_global->__pyx_n_s_ixmsk
+#define __pyx_n_s_j __pyx_mstate_global->__pyx_n_s_j
+#define __pyx_n_s_j1 __pyx_mstate_global->__pyx_n_s_j1
+#define __pyx_n_s_j2 __pyx_mstate_global->__pyx_n_s_j2
+#define __pyx_n_s_k __pyx_mstate_global->__pyx_n_s_k
+#define __pyx_n_s_k1 __pyx_mstate_global->__pyx_n_s_k1
+#define __pyx_n_s_k2 __pyx_mstate_global->__pyx_n_s_k2
+#define __pyx_n_s_l __pyx_mstate_global->__pyx_n_s_l
+#define __pyx_n_s_lst_r __pyx_mstate_global->__pyx_n_s_lst_r
+#define __pyx_n_s_lst_rP __pyx_mstate_global->__pyx_n_s_lst_rP
+#define __pyx_n_s_m __pyx_mstate_global->__pyx_n_s_m
+#define __pyx_n_s_main __pyx_mstate_global->__pyx_n_s_main
+#define __pyx_n_s_mask __pyx_mstate_global->__pyx_n_s_mask
+#define __pyx_n_s_memview __pyx_mstate_global->__pyx_n_s_memview
+#define __pyx_n_s_mode __pyx_mstate_global->__pyx_n_s_mode
+#define __pyx_n_s_n __pyx_mstate_global->__pyx_n_s_n
+#define __pyx_n_s_n_reg __pyx_mstate_global->__pyx_n_s_n_reg
+#define __pyx_n_s_name __pyx_mstate_global->__pyx_n_s_name
+#define __pyx_n_s_name_2 __pyx_mstate_global->__pyx_n_s_name_2
+#define __pyx_n_s_ndim __pyx_mstate_global->__pyx_n_s_ndim
+#define __pyx_n_s_new __pyx_mstate_global->__pyx_n_s_new
+#define __pyx_kp_s_no_default___reduce___due_to_non __pyx_mstate_global->__pyx_kp_s_no_default___reduce___due_to_non
+#define __pyx_n_s_np __pyx_mstate_global->__pyx_n_s_np
+#define __pyx_n_s_nrm __pyx_mstate_global->__pyx_n_s_nrm
+#define __pyx_n_s_numpy __pyx_mstate_global->__pyx_n_s_numpy
+#define __pyx_n_s_obj __pyx_mstate_global->__pyx_n_s_obj
+#define __pyx_n_s_out __pyx_mstate_global->__pyx_n_s_out
+#define __pyx_n_s_pack __pyx_mstate_global->__pyx_n_s_pack
+#define __pyx_n_s_pickle __pyx_mstate_global->__pyx_n_s_pickle
+#define __pyx_n_s_pixels __pyx_mstate_global->__pyx_n_s_pixels
+#define __pyx_n_s_pyx_PickleError __pyx_mstate_global->__pyx_n_s_pyx_PickleError
+#define __pyx_n_s_pyx_checksum __pyx_mstate_global->__pyx_n_s_pyx_checksum
+#define __pyx_n_s_pyx_result __pyx_mstate_global->__pyx_n_s_pyx_result
+#define __pyx_n_s_pyx_state __pyx_mstate_global->__pyx_n_s_pyx_state
+#define __pyx_n_s_pyx_type __pyx_mstate_global->__pyx_n_s_pyx_type
+#define __pyx_n_s_pyx_unpickle_Enum __pyx_mstate_global->__pyx_n_s_pyx_unpickle_Enum
+#define __pyx_n_s_pyx_vtable __pyx_mstate_global->__pyx_n_s_pyx_vtable
+#define __pyx_n_s_r __pyx_mstate_global->__pyx_n_s_r
+#define __pyx_n_s_rP __pyx_mstate_global->__pyx_n_s_rP
+#define __pyx_n_s_range __pyx_mstate_global->__pyx_n_s_range
+#define __pyx_n_s_ravel __pyx_mstate_global->__pyx_n_s_ravel
+#define __pyx_n_s_reduce __pyx_mstate_global->__pyx_n_s_reduce
+#define __pyx_n_s_reduce_cython __pyx_mstate_global->__pyx_n_s_reduce_cython
+#define __pyx_n_s_reduce_ex __pyx_mstate_global->__pyx_n_s_reduce_ex
+#define __pyx_n_s_register __pyx_mstate_global->__pyx_n_s_register
+#define __pyx_n_s_reps __pyx_mstate_global->__pyx_n_s_reps
+#define __pyx_n_s_reps_prev __pyx_mstate_global->__pyx_n_s_reps_prev
+#define __pyx_n_s_rmax __pyx_mstate_global->__pyx_n_s_rmax
+#define __pyx_n_s_rmin __pyx_mstate_global->__pyx_n_s_rmin
+#define __pyx_n_s_row __pyx_mstate_global->__pyx_n_s_row
+#define __pyx_n_s_row1 __pyx_mstate_global->__pyx_n_s_row1
+#define __pyx_n_s_row2 __pyx_mstate_global->__pyx_n_s_row2
+#define __pyx_n_s_s1 __pyx_mstate_global->__pyx_n_s_s1
+#define __pyx_n_s_s2 __pyx_mstate_global->__pyx_n_s_s2
+#define __pyx_n_s_s_cnt __pyx_mstate_global->__pyx_n_s_s_cnt
+#define __pyx_n_s_s_off __pyx_mstate_global->__pyx_n_s_s_off
+#define __pyx_n_s_s_on __pyx_mstate_global->__pyx_n_s_s_on
+#define __pyx_n_s_setstate __pyx_mstate_global->__pyx_n_s_setstate
+#define __pyx_n_s_setstate_cython __pyx_mstate_global->__pyx_n_s_setstate_cython
+#define __pyx_n_s_shape __pyx_mstate_global->__pyx_n_s_shape
+#define __pyx_n_s_size __pyx_mstate_global->__pyx_n_s_size
+#define __pyx_n_s_sparsify __pyx_mstate_global->__pyx_n_s_sparsify
+#define __pyx_n_s_sparsify2 __pyx_mstate_global->__pyx_n_s_sparsify2
+#define __pyx_n_s_spec __pyx_mstate_global->__pyx_n_s_spec
+#define __pyx_n_s_start __pyx_mstate_global->__pyx_n_s_start
+#define __pyx_n_s_step __pyx_mstate_global->__pyx_n_s_step
+#define __pyx_n_s_stop __pyx_mstate_global->__pyx_n_s_stop
+#define __pyx_kp_s_strided_and_direct __pyx_mstate_global->__pyx_kp_s_strided_and_direct
+#define __pyx_kp_s_strided_and_direct_or_indirect __pyx_mstate_global->__pyx_kp_s_strided_and_direct_or_indirect
+#define __pyx_kp_s_strided_and_indirect __pyx_mstate_global->__pyx_kp_s_strided_and_indirect
+#define __pyx_kp_s_stringsource __pyx_mstate_global->__pyx_kp_s_stringsource
+#define __pyx_n_s_struct __pyx_mstate_global->__pyx_n_s_struct
+#define __pyx_n_s_sys __pyx_mstate_global->__pyx_n_s_sys
+#define __pyx_n_s_test __pyx_mstate_global->__pyx_n_s_test
+#define __pyx_n_s_ttc __pyx_mstate_global->__pyx_n_s_ttc
+#define __pyx_n_s_ttc_off __pyx_mstate_global->__pyx_n_s_ttc_off
+#define __pyx_n_s_ttc_on __pyx_mstate_global->__pyx_n_s_ttc_on
+#define __pyx_n_s_twoTime __pyx_mstate_global->__pyx_n_s_twoTime
+#define __pyx_n_s_twoTimeSymmNorm __pyx_mstate_global->__pyx_n_s_twoTimeSymmNorm
+#define __pyx_n_s_uint32 __pyx_mstate_global->__pyx_n_s_uint32
+#define __pyx_kp_s_unable_to_allocate_array_data __pyx_mstate_global->__pyx_kp_s_unable_to_allocate_array_data
+#define __pyx_kp_s_unable_to_allocate_shape_and_str __pyx_mstate_global->__pyx_kp_s_unable_to_allocate_shape_and_str
+#define __pyx_n_s_unpack __pyx_mstate_global->__pyx_n_s_unpack
+#define __pyx_n_s_update __pyx_mstate_global->__pyx_n_s_update
+#define __pyx_n_s_v __pyx_mstate_global->__pyx_n_s_v
+#define __pyx_n_s_val __pyx_mstate_global->__pyx_n_s_val
+#define __pyx_n_s_val1 __pyx_mstate_global->__pyx_n_s_val1
+#define __pyx_n_s_val2 __pyx_mstate_global->__pyx_n_s_val2
+#define __pyx_n_s_version_info __pyx_mstate_global->__pyx_n_s_version_info
+#define __pyx_n_s_zeros __pyx_mstate_global->__pyx_n_s_zeros
+#define __pyx_int_0 __pyx_mstate_global->__pyx_int_0
+#define __pyx_int_1 __pyx_mstate_global->__pyx_int_1
+#define __pyx_int_3 __pyx_mstate_global->__pyx_int_3
+#define __pyx_int_112105877 __pyx_mstate_global->__pyx_int_112105877
+#define __pyx_int_136983863 __pyx_mstate_global->__pyx_int_136983863
+#define __pyx_int_184977713 __pyx_mstate_global->__pyx_int_184977713
+#define __pyx_int_neg_1 __pyx_mstate_global->__pyx_int_neg_1
+#define __pyx_slice__5 __pyx_mstate_global->__pyx_slice__5
+#define __pyx_tuple__4 __pyx_mstate_global->__pyx_tuple__4
+#define __pyx_tuple__8 __pyx_mstate_global->__pyx_tuple__8
+#define __pyx_tuple__9 __pyx_mstate_global->__pyx_tuple__9
+#define __pyx_tuple__10 __pyx_mstate_global->__pyx_tuple__10
+#define __pyx_tuple__11 __pyx_mstate_global->__pyx_tuple__11
+#define __pyx_tuple__12 __pyx_mstate_global->__pyx_tuple__12
+#define __pyx_tuple__13 __pyx_mstate_global->__pyx_tuple__13
+#define __pyx_tuple__14 __pyx_mstate_global->__pyx_tuple__14
+#define __pyx_tuple__15 __pyx_mstate_global->__pyx_tuple__15
+#define __pyx_tuple__16 __pyx_mstate_global->__pyx_tuple__16
+#define __pyx_tuple__17 __pyx_mstate_global->__pyx_tuple__17
+#define __pyx_tuple__18 __pyx_mstate_global->__pyx_tuple__18
+#define __pyx_tuple__20 __pyx_mstate_global->__pyx_tuple__20
+#define __pyx_tuple__22 __pyx_mstate_global->__pyx_tuple__22
+#define __pyx_tuple__24 __pyx_mstate_global->__pyx_tuple__24
+#define __pyx_tuple__26 __pyx_mstate_global->__pyx_tuple__26
+#define __pyx_tuple__28 __pyx_mstate_global->__pyx_tuple__28
+#define __pyx_codeobj__19 __pyx_mstate_global->__pyx_codeobj__19
+#define __pyx_codeobj__21 __pyx_mstate_global->__pyx_codeobj__21
+#define __pyx_codeobj__23 __pyx_mstate_global->__pyx_codeobj__23
+#define __pyx_codeobj__25 __pyx_mstate_global->__pyx_codeobj__25
+#define __pyx_codeobj__27 __pyx_mstate_global->__pyx_codeobj__27
+#define __pyx_codeobj__29 __pyx_mstate_global->__pyx_codeobj__29
+/* #### Code section: module_code ### */
+
+/* "View.MemoryView":131
+ *         cdef bint dtype_is_object
+ * 
+ *     def __cinit__(array self, tuple shape, Py_ssize_t itemsize, format not None,             # <<<<<<<<<<<<<<
+ *                   mode="c", bint allocate_buffer=True):
  * 
- *     cdef int k = data.shape[0]
  */
 
 /* Python wrapper */
-static PyObject *__pyx_pw_12fxpcs_sparse_1sparsify(PyObject *__pyx_self, PyObject *__pyx_arg_data); /*proto*/
-static PyMethodDef __pyx_mdef_12fxpcs_sparse_1sparsify = {"sparsify", (PyCFunction)__pyx_pw_12fxpcs_sparse_1sparsify, METH_O, 0};
-static PyObject *__pyx_pw_12fxpcs_sparse_1sparsify(PyObject *__pyx_self, PyObject *__pyx_arg_data) {
-  __Pyx_memviewslice __pyx_v_data = { 0, 0, { 0 }, { 0 }, { 0 } };
+static int __pyx_array___cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
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+      ((Py_buffer *)(&__pyx_v_self->view))->obj = Py_None;
 
-  /* "View.MemoryView":191
- *         elif self.mode == u"fortran":
- *             bufmode = PyBUF_F_CONTIGUOUS | PyBUF_ANY_CONTIGUOUS
- *         if not (flags & bufmode):             # <<<<<<<<<<<<<<
- *             raise ValueError("Can only create a buffer that is contiguous in memory.")
- *         info.buf = self.data
+      /* "View.MemoryView":356
+ *             if <PyObject *> self.view.obj == NULL:
+ *                 (<__pyx_buffer *> &self.view).obj = Py_None
+ *                 Py_INCREF(Py_None)             # <<<<<<<<<<<<<<
+ * 
+ *         if not __PYX_CYTHON_ATOMICS_ENABLED():
  */
-  __pyx_t_1 = ((!((__pyx_v_flags & __pyx_v_bufmode) != 0)) != 0);
-  if (unlikely(__pyx_t_1)) {
+      Py_INCREF(Py_None);
 
-    /* "View.MemoryView":192
- *             bufmode = PyBUF_F_CONTIGUOUS | PyBUF_ANY_CONTIGUOUS
- *         if not (flags & bufmode):
- *             raise ValueError("Can only create a buffer that is contiguous in memory.")             # <<<<<<<<<<<<<<
- *         info.buf = self.data
- *         info.len = self.len
+      /* "View.MemoryView":354
+ *         if type(self) is memoryview or obj is not None:
+ *             __Pyx_GetBuffer(obj, &self.view, flags)
+ *             if <PyObject *> self.view.obj == NULL:             # <<<<<<<<<<<<<<
+ *                 (<__pyx_buffer *> &self.view).obj = Py_None
+ *                 Py_INCREF(Py_None)
  */
-    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__5, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 192, __pyx_L1_error)
-    __Pyx_GOTREF(__pyx_t_3);
-    __Pyx_Raise(__pyx_t_3, 0, 0, 0);
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __PYX_ERR(1, 192, __pyx_L1_error)
+    }
 
-    /* "View.MemoryView":191
- *         elif self.mode == u"fortran":
- *             bufmode = PyBUF_F_CONTIGUOUS | PyBUF_ANY_CONTIGUOUS
- *         if not (flags & bufmode):             # <<<<<<<<<<<<<<
- *             raise ValueError("Can only create a buffer that is contiguous in memory.")
- *         info.buf = self.data
+    /* "View.MemoryView":352
+ *         self.obj = obj
+ *         self.flags = flags
+ *         if type(self) is memoryview or obj is not None:             # <<<<<<<<<<<<<<
+ *             __Pyx_GetBuffer(obj, &self.view, flags)
+ *             if <PyObject *> self.view.obj == NULL:
  */
   }
 
-  /* "View.MemoryView":193
- *         if not (flags & bufmode):
- *             raise ValueError("Can only create a buffer that is contiguous in memory.")
- *         info.buf = self.data             # <<<<<<<<<<<<<<
- *         info.len = self.len
- *         info.ndim = self.ndim
+  /* "View.MemoryView":358
+ *                 Py_INCREF(Py_None)
+ * 
+ *         if not __PYX_CYTHON_ATOMICS_ENABLED():             # <<<<<<<<<<<<<<
+ *             global __pyx_memoryview_thread_locks_used
+ *             if __pyx_memoryview_thread_locks_used < 8:
  */
-  __pyx_t_4 = __pyx_v_self->data;
-  __pyx_v_info->buf = __pyx_t_4;
+  __pyx_t_1 = (!__PYX_CYTHON_ATOMICS_ENABLED());
+  if (__pyx_t_1) {
 
-  /* "View.MemoryView":194
- *             raise ValueError("Can only create a buffer that is contiguous in memory.")
- *         info.buf = self.data
- *         info.len = self.len             # <<<<<<<<<<<<<<
- *         info.ndim = self.ndim
- *         info.shape = self._shape
+    /* "View.MemoryView":360
+ *         if not __PYX_CYTHON_ATOMICS_ENABLED():
+ *             global __pyx_memoryview_thread_locks_used
+ *             if __pyx_memoryview_thread_locks_used < 8:             # <<<<<<<<<<<<<<
+ *                 self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
+ *                 __pyx_memoryview_thread_locks_used += 1
  */
-  __pyx_t_5 = __pyx_v_self->len;
-  __pyx_v_info->len = __pyx_t_5;
+    __pyx_t_1 = (__pyx_memoryview_thread_locks_used < 8);
+    if (__pyx_t_1) {
 
-  /* "View.MemoryView":195
- *         info.buf = self.data
- *         info.len = self.len
- *         info.ndim = self.ndim             # <<<<<<<<<<<<<<
- *         info.shape = self._shape
- *         info.strides = self._strides
+      /* "View.MemoryView":361
+ *             global __pyx_memoryview_thread_locks_used
+ *             if __pyx_memoryview_thread_locks_used < 8:
+ *                 self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]             # <<<<<<<<<<<<<<
+ *                 __pyx_memoryview_thread_locks_used += 1
+ *             if self.lock is NULL:
  */
-  __pyx_t_6 = __pyx_v_self->ndim;
-  __pyx_v_info->ndim = __pyx_t_6;
+      __pyx_v_self->lock = (__pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]);
 
-  /* "View.MemoryView":196
- *         info.len = self.len
- *         info.ndim = self.ndim
- *         info.shape = self._shape             # <<<<<<<<<<<<<<
- *         info.strides = self._strides
- *         info.suboffsets = NULL
+      /* "View.MemoryView":362
+ *             if __pyx_memoryview_thread_locks_used < 8:
+ *                 self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
+ *                 __pyx_memoryview_thread_locks_used += 1             # <<<<<<<<<<<<<<
+ *             if self.lock is NULL:
+ *                 self.lock = PyThread_allocate_lock()
  */
-  __pyx_t_7 = __pyx_v_self->_shape;
-  __pyx_v_info->shape = __pyx_t_7;
+      __pyx_memoryview_thread_locks_used = (__pyx_memoryview_thread_locks_used + 1);
 
-  /* "View.MemoryView":197
- *         info.ndim = self.ndim
- *         info.shape = self._shape
- *         info.strides = self._strides             # <<<<<<<<<<<<<<
- *         info.suboffsets = NULL
- *         info.itemsize = self.itemsize
+      /* "View.MemoryView":360
+ *         if not __PYX_CYTHON_ATOMICS_ENABLED():
+ *             global __pyx_memoryview_thread_locks_used
+ *             if __pyx_memoryview_thread_locks_used < 8:             # <<<<<<<<<<<<<<
+ *                 self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
+ *                 __pyx_memoryview_thread_locks_used += 1
  */
-  __pyx_t_7 = __pyx_v_self->_strides;
-  __pyx_v_info->strides = __pyx_t_7;
+    }
 
-  /* "View.MemoryView":198
- *         info.shape = self._shape
- *         info.strides = self._strides
- *         info.suboffsets = NULL             # <<<<<<<<<<<<<<
- *         info.itemsize = self.itemsize
- *         info.readonly = 0
+    /* "View.MemoryView":363
+ *                 self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
+ *                 __pyx_memoryview_thread_locks_used += 1
+ *             if self.lock is NULL:             # <<<<<<<<<<<<<<
+ *                 self.lock = PyThread_allocate_lock()
+ *                 if self.lock is NULL:
  */
-  __pyx_v_info->suboffsets = NULL;
+    __pyx_t_1 = (__pyx_v_self->lock == NULL);
+    if (__pyx_t_1) {
 
-  /* "View.MemoryView":199
- *         info.strides = self._strides
- *         info.suboffsets = NULL
- *         info.itemsize = self.itemsize             # <<<<<<<<<<<<<<
- *         info.readonly = 0
+      /* "View.MemoryView":364
+ *                 __pyx_memoryview_thread_locks_used += 1
+ *             if self.lock is NULL:
+ *                 self.lock = PyThread_allocate_lock()             # <<<<<<<<<<<<<<
+ *                 if self.lock is NULL:
+ *                     raise MemoryError
+ */
+      __pyx_v_self->lock = PyThread_allocate_lock();
+
+      /* "View.MemoryView":365
+ *             if self.lock is NULL:
+ *                 self.lock = PyThread_allocate_lock()
+ *                 if self.lock is NULL:             # <<<<<<<<<<<<<<
+ *                     raise MemoryError
  * 
  */
-  __pyx_t_5 = __pyx_v_self->itemsize;
-  __pyx_v_info->itemsize = __pyx_t_5;
+      __pyx_t_1 = (__pyx_v_self->lock == NULL);
+      if (unlikely(__pyx_t_1)) {
 
-  /* "View.MemoryView":200
- *         info.suboffsets = NULL
- *         info.itemsize = self.itemsize
- *         info.readonly = 0             # <<<<<<<<<<<<<<
+        /* "View.MemoryView":366
+ *                 self.lock = PyThread_allocate_lock()
+ *                 if self.lock is NULL:
+ *                     raise MemoryError             # <<<<<<<<<<<<<<
  * 
  *         if flags & PyBUF_FORMAT:
  */
-  __pyx_v_info->readonly = 0;
+        PyErr_NoMemory(); __PYX_ERR(1, 366, __pyx_L1_error)
 
-  /* "View.MemoryView":202
- *         info.readonly = 0
+        /* "View.MemoryView":365
+ *             if self.lock is NULL:
+ *                 self.lock = PyThread_allocate_lock()
+ *                 if self.lock is NULL:             # <<<<<<<<<<<<<<
+ *                     raise MemoryError
  * 
- *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
- *             info.format = self.format
- *         else:
  */
-  __pyx_t_1 = ((__pyx_v_flags & PyBUF_FORMAT) != 0);
-  if (__pyx_t_1) {
+      }
 
-    /* "View.MemoryView":203
- * 
- *         if flags & PyBUF_FORMAT:
- *             info.format = self.format             # <<<<<<<<<<<<<<
+      /* "View.MemoryView":363
+ *                 self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
+ *                 __pyx_memoryview_thread_locks_used += 1
+ *             if self.lock is NULL:             # <<<<<<<<<<<<<<
+ *                 self.lock = PyThread_allocate_lock()
+ *                 if self.lock is NULL:
+ */
+    }
+
+    /* "View.MemoryView":358
+ *                 Py_INCREF(Py_None)
+ * 
+ *         if not __PYX_CYTHON_ATOMICS_ENABLED():             # <<<<<<<<<<<<<<
+ *             global __pyx_memoryview_thread_locks_used
+ *             if __pyx_memoryview_thread_locks_used < 8:
+ */
+  }
+
+  /* "View.MemoryView":368
+ *                     raise MemoryError
+ * 
+ *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
+ *             self.dtype_is_object = (self.view.format[0] == b'O' and self.view.format[1] == b'\0')
  *         else:
- *             info.format = NULL
  */
-    __pyx_t_4 = __pyx_v_self->format;
-    __pyx_v_info->format = __pyx_t_4;
+  __pyx_t_1 = ((__pyx_v_flags & PyBUF_FORMAT) != 0);
+  if (__pyx_t_1) {
 
-    /* "View.MemoryView":202
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+    /* "View.MemoryView":369
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+ *         if flags & PyBUF_FORMAT:
+ *             self.dtype_is_object = (self.view.format[0] == b'O' and self.view.format[1] == b'\0')             # <<<<<<<<<<<<<<
+ *         else:
+ *             self.dtype_is_object = dtype_is_object
+ */
+    __pyx_t_2 = ((__pyx_v_self->view.format[0]) == 'O');
+    if (__pyx_t_2) {
+    } else {
+      __pyx_t_1 = __pyx_t_2;
+      goto __pyx_L12_bool_binop_done;
+    }
+    __pyx_t_2 = ((__pyx_v_self->view.format[1]) == '\x00');
+    __pyx_t_1 = __pyx_t_2;
+    __pyx_L12_bool_binop_done:;
+    __pyx_v_self->dtype_is_object = __pyx_t_1;
+
+    /* "View.MemoryView":368
+ *                     raise MemoryError
  * 
  *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
- *             info.format = self.format
+ *             self.dtype_is_object = (self.view.format[0] == b'O' and self.view.format[1] == b'\0')
  *         else:
  */
-    goto __pyx_L5;
+    goto __pyx_L11;
   }
 
-  /* "View.MemoryView":205
- *             info.format = self.format
+  /* "View.MemoryView":371
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  *         else:
- *             info.format = NULL             # <<<<<<<<<<<<<<
+ *             self.dtype_is_object = dtype_is_object             # <<<<<<<<<<<<<<
  * 
- *         info.obj = self
+ *         assert <Py_intptr_t><void*>(&self.acquisition_count) % sizeof(__pyx_atomic_int_type) == 0
  */
   /*else*/ {
-    __pyx_v_info->format = NULL;
+    __pyx_v_self->dtype_is_object = __pyx_v_dtype_is_object;
   }
-  __pyx_L5:;
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-  /* "View.MemoryView":207
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+  /* "View.MemoryView":373
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  * 
- *         info.obj = self             # <<<<<<<<<<<<<<
+ *         assert <Py_intptr_t><void*>(&self.acquisition_count) % sizeof(__pyx_atomic_int_type) == 0             # <<<<<<<<<<<<<<
+ *         self.typeinfo = NULL
  * 
- *     __pyx_getbuffer = capsule(<void *> &__pyx_array_getbuffer, "getbuffer(obj, view, flags)")
  */
-  __Pyx_INCREF(((PyObject *)__pyx_v_self));
-  __Pyx_GIVEREF(((PyObject *)__pyx_v_self));
-  __Pyx_GOTREF(__pyx_v_info->obj);
-  __Pyx_DECREF(__pyx_v_info->obj);
-  __pyx_v_info->obj = ((PyObject *)__pyx_v_self);
+  #ifndef CYTHON_WITHOUT_ASSERTIONS
+  if (unlikely(__pyx_assertions_enabled())) {
+    __pyx_t_4 = ((Py_intptr_t)((void *)(&__pyx_v_self->acquisition_count)));
+    __pyx_t_5 = (sizeof(__pyx_atomic_int_type));
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+      PyErr_SetString(PyExc_ZeroDivisionError, "integer division or modulo by zero");
+      __PYX_ERR(1, 373, __pyx_L1_error)
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+    __pyx_t_1 = ((__pyx_t_4 % __pyx_t_5) == 0);
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+      __Pyx_Raise(__pyx_builtin_AssertionError, 0, 0, 0);
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- *     def __getbuffer__(self, Py_buffer *info, int flags):             # <<<<<<<<<<<<<<
- *         cdef int bufmode = -1
- *         if self.mode == u"c":
+ *         assert <Py_intptr_t><void*>(&self.acquisition_count) % sizeof(__pyx_atomic_int_type) == 0
+ *         self.typeinfo = NULL             # <<<<<<<<<<<<<<
+ * 
+ *     def __dealloc__(memoryview self):
+ */
+  __pyx_v_self->typeinfo = NULL;
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+  /* "View.MemoryView":349
+ *     cdef __Pyx_TypeInfo *typeinfo
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+ *     def __cinit__(memoryview self, object obj, int flags, bint dtype_is_object=False):             # <<<<<<<<<<<<<<
+ *         self.obj = obj
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   /* function exit code */
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   goto __pyx_L0;
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-  __Pyx_AddTraceback("View.MemoryView.array.__getbuffer__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("View.MemoryView.memoryview.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = -1;
-  if (__pyx_v_info->obj != NULL) {
-    __Pyx_GOTREF(__pyx_v_info->obj);
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-  goto __pyx_L2;
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-    __Pyx_GOTREF(__pyx_v_info->obj);
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 }
 
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+/* "View.MemoryView":376
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  * 
- *     def __dealloc__(array self):             # <<<<<<<<<<<<<<
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- *             self.callback_free_data(self.data)
+ *     def __dealloc__(memoryview self):             # <<<<<<<<<<<<<<
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+ *             __Pyx_ReleaseBuffer(&self.view)
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 /* Python wrapper */
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-static void __pyx_array___dealloc__(PyObject *__pyx_v_self) {
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+ *     def __dealloc__(memoryview self):
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- *             self.callback_free_data(self.data)
- *         elif self.free_data:
+ *     def __dealloc__(memoryview self):
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     goto __pyx_L3;
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-  __pyx_t_1 = (__pyx_v_self->free_data != 0);
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- *             if self.dtype_is_object:             # <<<<<<<<<<<<<<
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-      /* "View.MemoryView":215
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- *                 refcount_objects_in_slice(self.data, self._shape,
- *                                           self._strides, self.ndim, False)
+    /* "View.MemoryView":381
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+ *             (<__pyx_buffer *> &self.view).obj = NULL             # <<<<<<<<<<<<<<
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  */
-    }
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-    __pyx_t_2 = (((__pyx_v_self->view.format[0]) == 'O') != 0);
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-      goto __pyx_L11_bool_binop_done;
-    }
-    __pyx_t_2 = (((__pyx_v_self->view.format[1]) == '\x00') != 0);
-    __pyx_t_1 = __pyx_t_2;
-    __pyx_L11_bool_binop_done:;
-    __pyx_v_self->dtype_is_object = __pyx_t_1;
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-    /* "View.MemoryView":363
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  * 
- *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
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+ *         if flags & PyBUF_STRIDES:             # <<<<<<<<<<<<<<
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  */
-    goto __pyx_L10;
+    goto __pyx_L7;
   }
 
-  /* "View.MemoryView":366
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+  /* "View.MemoryView":534
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  *         else:
- *             self.dtype_is_object = dtype_is_object             # <<<<<<<<<<<<<<
+ *             info.strides = NULL             # <<<<<<<<<<<<<<
  * 
- *         self.acquisition_count_aligned_p = <__pyx_atomic_int *> align_pointer(
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  */
   /*else*/ {
-    __pyx_v_self->dtype_is_object = __pyx_v_dtype_is_object;
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-  __pyx_L10:;
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-  /* "View.MemoryView":368
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+  /* "View.MemoryView":536
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- *         self.acquisition_count_aligned_p = <__pyx_atomic_int *> align_pointer(             # <<<<<<<<<<<<<<
- *                   <void *> &self.acquisition_count[0], sizeof(__pyx_atomic_int))
- *         self.typeinfo = NULL
+ *         if flags & PyBUF_INDIRECT:             # <<<<<<<<<<<<<<
+ *             info.suboffsets = self.view.suboffsets
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  */
-  __pyx_v_self->acquisition_count_aligned_p = ((__pyx_atomic_int *)__pyx_align_pointer(((void *)(&(__pyx_v_self->acquisition_count[0]))), (sizeof(__pyx_atomic_int))));
+  __pyx_t_1 = ((__pyx_v_flags & PyBUF_INDIRECT) != 0);
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-  /* "View.MemoryView":370
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- *         self.typeinfo = NULL             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":537
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- *     def __dealloc__(memoryview self):
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-  /* "View.MemoryView":345
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- */
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+  /* "View.MemoryView":539
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+ *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
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 /* Python wrapper */
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+ * 
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+  __pyx_t_2 = (__pyx_v_suboffset >= 0);
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-        __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
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-        __pyx_v_seen_ellipsis = 1;
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-      /* "View.MemoryView":686
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+  /* "View.MemoryView":920
  * 
- *     if isinstance(memview, _memoryviewslice):
- *         memviewsliceobj = memview             # <<<<<<<<<<<<<<
- *         p_src = &memviewsliceobj.from_slice
- *     else:
- */
-    if (!(likely(((((PyObject *)__pyx_v_memview)) == Py_None) || likely(__Pyx_TypeTest(((PyObject *)__pyx_v_memview), __pyx_memoryviewslice_type))))) __PYX_ERR(1, 725, __pyx_L1_error)
-    __pyx_t_3 = ((PyObject *)__pyx_v_memview);
-    __Pyx_INCREF(__pyx_t_3);
-    __pyx_v_memviewsliceobj = ((struct __pyx_memoryviewslice_obj *)__pyx_t_3);
-    __pyx_t_3 = 0;
-
-    /* "View.MemoryView":726
- *     if isinstance(memview, _memoryviewslice):
- *         memviewsliceobj = memview
- *         p_src = &memviewsliceobj.from_slice             # <<<<<<<<<<<<<<
- *     else:
- *         slice_copy(memview, &src)
- */
-    __pyx_v_p_src = (&__pyx_v_memviewsliceobj->from_slice);
-
-    /* "View.MemoryView":724
- *     assert memview.view.ndim > 0
+ *     resultp = bufp + index * stride
+ *     if suboffset >= 0:             # <<<<<<<<<<<<<<
+ *         resultp = (<char **> resultp)[0] + suboffset
  * 
- *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
- *         memviewsliceobj = memview
- *         p_src = &memviewsliceobj.from_slice
  */
-    goto __pyx_L3;
-  }
+  __pyx_t_2 = (__pyx_v_suboffset >= 0);
+  if (__pyx_t_2) {
 
-  /* "View.MemoryView":728
- *         p_src = &memviewsliceobj.from_slice
- *     else:
- *         slice_copy(memview, &src)             # <<<<<<<<<<<<<<
- *         p_src = &src
+    /* "View.MemoryView":921
+ *     resultp = bufp + index * stride
+ *     if suboffset >= 0:
+ *         resultp = (<char **> resultp)[0] + suboffset             # <<<<<<<<<<<<<<
  * 
+ *     return resultp
  */
-  /*else*/ {
-    __pyx_memoryview_slice_copy(__pyx_v_memview, (&__pyx_v_src));
+    __pyx_v_resultp = ((((char **)__pyx_v_resultp)[0]) + __pyx_v_suboffset);
 
-    /* "View.MemoryView":729
- *     else:
- *         slice_copy(memview, &src)
- *         p_src = &src             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":920
  * 
+ *     resultp = bufp + index * stride
+ *     if suboffset >= 0:             # <<<<<<<<<<<<<<
+ *         resultp = (<char **> resultp)[0] + suboffset
  * 
  */
-    __pyx_v_p_src = (&__pyx_v_src);
   }
-  __pyx_L3:;
 
-  /* "View.MemoryView":735
+  /* "View.MemoryView":923
+ *         resultp = (<char **> resultp)[0] + suboffset
  * 
+ *     return resultp             # <<<<<<<<<<<<<<
  * 
- *     dst.memview = p_src.memview             # <<<<<<<<<<<<<<
- *     dst.data = p_src.data
  * 
  */
-  __pyx_t_4 = __pyx_v_p_src->memview;
-  __pyx_v_dst.memview = __pyx_t_4;
+  __pyx_r = __pyx_v_resultp;
+  goto __pyx_L0;
 
-  /* "View.MemoryView":736
- * 
- *     dst.memview = p_src.memview
- *     dst.data = p_src.data             # <<<<<<<<<<<<<<
- * 
+  /* "View.MemoryView":896
  * 
+ * @cname('__pyx_pybuffer_index')
+ * cdef char *pybuffer_index(Py_buffer *view, char *bufp, Py_ssize_t index,             # <<<<<<<<<<<<<<
+ *                           Py_ssize_t dim) except NULL:
+ *     cdef Py_ssize_t shape, stride, suboffset = -1
  */
-  __pyx_t_5 = __pyx_v_p_src->data;
-  __pyx_v_dst.data = __pyx_t_5;
 
-  /* "View.MemoryView":741
+  /* function exit code */
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_AddTraceback("View.MemoryView.pybuffer_index", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "View.MemoryView":929
  * 
+ * @cname('__pyx_memslice_transpose')
+ * cdef int transpose_memslice(__Pyx_memviewslice *memslice) except -1 nogil:             # <<<<<<<<<<<<<<
+ *     cdef int ndim = memslice.memview.view.ndim
  * 
- *     cdef __Pyx_memviewslice *p_dst = &dst             # <<<<<<<<<<<<<<
- *     cdef int *p_suboffset_dim = &suboffset_dim
- *     cdef Py_ssize_t start, stop, step
  */
-  __pyx_v_p_dst = (&__pyx_v_dst);
 
-  /* "View.MemoryView":742
+static int __pyx_memslice_transpose(__Pyx_memviewslice *__pyx_v_memslice) {
+  int __pyx_v_ndim;
+  Py_ssize_t *__pyx_v_shape;
+  Py_ssize_t *__pyx_v_strides;
+  int __pyx_v_i;
+  int __pyx_v_j;
+  int __pyx_r;
+  int __pyx_t_1;
+  Py_ssize_t *__pyx_t_2;
+  long __pyx_t_3;
+  long __pyx_t_4;
+  Py_ssize_t __pyx_t_5;
+  Py_ssize_t __pyx_t_6;
+  int __pyx_t_7;
+  int __pyx_t_8;
+  int __pyx_t_9;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  #ifdef WITH_THREAD
+  PyGILState_STATE __pyx_gilstate_save;
+  #endif
+
+  /* "View.MemoryView":930
+ * @cname('__pyx_memslice_transpose')
+ * cdef int transpose_memslice(__Pyx_memviewslice *memslice) except -1 nogil:
+ *     cdef int ndim = memslice.memview.view.ndim             # <<<<<<<<<<<<<<
  * 
- *     cdef __Pyx_memviewslice *p_dst = &dst
- *     cdef int *p_suboffset_dim = &suboffset_dim             # <<<<<<<<<<<<<<
- *     cdef Py_ssize_t start, stop, step
- *     cdef bint have_start, have_stop, have_step
+ *     cdef Py_ssize_t *shape = memslice.shape
  */
-  __pyx_v_p_suboffset_dim = (&__pyx_v_suboffset_dim);
+  __pyx_t_1 = __pyx_v_memslice->memview->view.ndim;
+  __pyx_v_ndim = __pyx_t_1;
 
-  /* "View.MemoryView":746
- *     cdef bint have_start, have_stop, have_step
+  /* "View.MemoryView":932
+ *     cdef int ndim = memslice.memview.view.ndim
+ * 
+ *     cdef Py_ssize_t *shape = memslice.shape             # <<<<<<<<<<<<<<
+ *     cdef Py_ssize_t *strides = memslice.strides
  * 
- *     for dim, index in enumerate(indices):             # <<<<<<<<<<<<<<
- *         if PyIndex_Check(index):
- *             slice_memviewslice(
  */
-  __pyx_t_6 = 0;
-  if (likely(PyList_CheckExact(__pyx_v_indices)) || PyTuple_CheckExact(__pyx_v_indices)) {
-    __pyx_t_3 = __pyx_v_indices; __Pyx_INCREF(__pyx_t_3); __pyx_t_7 = 0;
-    __pyx_t_8 = NULL;
-  } else {
-    __pyx_t_7 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_v_indices); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 746, __pyx_L1_error)
-    __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_8 = Py_TYPE(__pyx_t_3)->tp_iternext; if (unlikely(!__pyx_t_8)) __PYX_ERR(1, 746, __pyx_L1_error)
-  }
-  for (;;) {
-    if (likely(!__pyx_t_8)) {
-      if (likely(PyList_CheckExact(__pyx_t_3))) {
-        if (__pyx_t_7 >= PyList_GET_SIZE(__pyx_t_3)) break;
-        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-        __pyx_t_9 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_7); __Pyx_INCREF(__pyx_t_9); __pyx_t_7++; if (unlikely(0 < 0)) __PYX_ERR(1, 746, __pyx_L1_error)
-        #else
-        __pyx_t_9 = PySequence_ITEM(__pyx_t_3, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 746, __pyx_L1_error)
-        __Pyx_GOTREF(__pyx_t_9);
-        #endif
-      } else {
-        if (__pyx_t_7 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
-        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-        __pyx_t_9 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_7); __Pyx_INCREF(__pyx_t_9); __pyx_t_7++; if (unlikely(0 < 0)) __PYX_ERR(1, 746, __pyx_L1_error)
-        #else
-        __pyx_t_9 = PySequence_ITEM(__pyx_t_3, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 746, __pyx_L1_error)
-        __Pyx_GOTREF(__pyx_t_9);
-        #endif
-      }
-    } else {
-      __pyx_t_9 = __pyx_t_8(__pyx_t_3);
-      if (unlikely(!__pyx_t_9)) {
-        PyObject* exc_type = PyErr_Occurred();
-        if (exc_type) {
-          if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
-          else __PYX_ERR(1, 746, __pyx_L1_error)
-        }
-        break;
-      }
-      __Pyx_GOTREF(__pyx_t_9);
-    }
-    __Pyx_XDECREF_SET(__pyx_v_index, __pyx_t_9);
-    __pyx_t_9 = 0;
-    __pyx_v_dim = __pyx_t_6;
-    __pyx_t_6 = (__pyx_t_6 + 1);
+  __pyx_t_2 = __pyx_v_memslice->shape;
+  __pyx_v_shape = __pyx_t_2;
 
-    /* "View.MemoryView":747
+  /* "View.MemoryView":933
+ * 
+ *     cdef Py_ssize_t *shape = memslice.shape
+ *     cdef Py_ssize_t *strides = memslice.strides             # <<<<<<<<<<<<<<
+ * 
  * 
- *     for dim, index in enumerate(indices):
- *         if PyIndex_Check(index):             # <<<<<<<<<<<<<<
- *             slice_memviewslice(
- *                 p_dst, p_src.shape[dim], p_src.strides[dim], p_src.suboffsets[dim],
  */
-    __pyx_t_2 = (PyIndex_Check(__pyx_v_index) != 0);
-    if (__pyx_t_2) {
+  __pyx_t_2 = __pyx_v_memslice->strides;
+  __pyx_v_strides = __pyx_t_2;
 
-      /* "View.MemoryView":751
- *                 p_dst, p_src.shape[dim], p_src.strides[dim], p_src.suboffsets[dim],
- *                 dim, new_ndim, p_suboffset_dim,
- *                 index, 0, 0, # start, stop, step             # <<<<<<<<<<<<<<
- *                 0, 0, 0, # have_{start,stop,step}
- *                 False)
+  /* "View.MemoryView":937
+ * 
+ *     cdef int i, j
+ *     for i in range(ndim // 2):             # <<<<<<<<<<<<<<
+ *         j = ndim - 1 - i
+ *         strides[i], strides[j] = strides[j], strides[i]
  */
-      __pyx_t_10 = __Pyx_PyIndex_AsSsize_t(__pyx_v_index); if (unlikely((__pyx_t_10 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(1, 751, __pyx_L1_error)
+  __pyx_t_3 = __Pyx_div_long(__pyx_v_ndim, 2);
+  __pyx_t_4 = __pyx_t_3;
+  for (__pyx_t_1 = 0; __pyx_t_1 < __pyx_t_4; __pyx_t_1+=1) {
+    __pyx_v_i = __pyx_t_1;
 
-      /* "View.MemoryView":748
- *     for dim, index in enumerate(indices):
- *         if PyIndex_Check(index):
- *             slice_memviewslice(             # <<<<<<<<<<<<<<
- *                 p_dst, p_src.shape[dim], p_src.strides[dim], p_src.suboffsets[dim],
- *                 dim, new_ndim, p_suboffset_dim,
+    /* "View.MemoryView":938
+ *     cdef int i, j
+ *     for i in range(ndim // 2):
+ *         j = ndim - 1 - i             # <<<<<<<<<<<<<<
+ *         strides[i], strides[j] = strides[j], strides[i]
+ *         shape[i], shape[j] = shape[j], shape[i]
  */
-      __pyx_t_11 = __pyx_memoryview_slice_memviewslice(__pyx_v_p_dst, (__pyx_v_p_src->shape[__pyx_v_dim]), (__pyx_v_p_src->strides[__pyx_v_dim]), (__pyx_v_p_src->suboffsets[__pyx_v_dim]), __pyx_v_dim, __pyx_v_new_ndim, __pyx_v_p_suboffset_dim, __pyx_t_10, 0, 0, 0, 0, 0, 0); if (unlikely(__pyx_t_11 == ((int)-1))) __PYX_ERR(1, 748, __pyx_L1_error)
+    __pyx_v_j = ((__pyx_v_ndim - 1) - __pyx_v_i);
 
-      /* "View.MemoryView":747
+    /* "View.MemoryView":939
+ *     for i in range(ndim // 2):
+ *         j = ndim - 1 - i
+ *         strides[i], strides[j] = strides[j], strides[i]             # <<<<<<<<<<<<<<
+ *         shape[i], shape[j] = shape[j], shape[i]
  * 
- *     for dim, index in enumerate(indices):
- *         if PyIndex_Check(index):             # <<<<<<<<<<<<<<
- *             slice_memviewslice(
- *                 p_dst, p_src.shape[dim], p_src.strides[dim], p_src.suboffsets[dim],
- */
-      goto __pyx_L6;
-    }
-
-    /* "View.MemoryView":754
- *                 0, 0, 0, # have_{start,stop,step}
- *                 False)
- *         elif index is None:             # <<<<<<<<<<<<<<
- *             p_dst.shape[new_ndim] = 1
- *             p_dst.strides[new_ndim] = 0
- */
-    __pyx_t_2 = (__pyx_v_index == Py_None);
-    __pyx_t_1 = (__pyx_t_2 != 0);
-    if (__pyx_t_1) {
-
-      /* "View.MemoryView":755
- *                 False)
- *         elif index is None:
- *             p_dst.shape[new_ndim] = 1             # <<<<<<<<<<<<<<
- *             p_dst.strides[new_ndim] = 0
- *             p_dst.suboffsets[new_ndim] = -1
  */
-      (__pyx_v_p_dst->shape[__pyx_v_new_ndim]) = 1;
+    __pyx_t_5 = (__pyx_v_strides[__pyx_v_j]);
+    __pyx_t_6 = (__pyx_v_strides[__pyx_v_i]);
+    (__pyx_v_strides[__pyx_v_i]) = __pyx_t_5;
+    (__pyx_v_strides[__pyx_v_j]) = __pyx_t_6;
 
-      /* "View.MemoryView":756
- *         elif index is None:
- *             p_dst.shape[new_ndim] = 1
- *             p_dst.strides[new_ndim] = 0             # <<<<<<<<<<<<<<
- *             p_dst.suboffsets[new_ndim] = -1
- *             new_ndim += 1
+    /* "View.MemoryView":940
+ *         j = ndim - 1 - i
+ *         strides[i], strides[j] = strides[j], strides[i]
+ *         shape[i], shape[j] = shape[j], shape[i]             # <<<<<<<<<<<<<<
+ * 
+ *         if memslice.suboffsets[i] >= 0 or memslice.suboffsets[j] >= 0:
  */
-      (__pyx_v_p_dst->strides[__pyx_v_new_ndim]) = 0;
+    __pyx_t_6 = (__pyx_v_shape[__pyx_v_j]);
+    __pyx_t_5 = (__pyx_v_shape[__pyx_v_i]);
+    (__pyx_v_shape[__pyx_v_i]) = __pyx_t_6;
+    (__pyx_v_shape[__pyx_v_j]) = __pyx_t_5;
 
-      /* "View.MemoryView":757
- *             p_dst.shape[new_ndim] = 1
- *             p_dst.strides[new_ndim] = 0
- *             p_dst.suboffsets[new_ndim] = -1             # <<<<<<<<<<<<<<
- *             new_ndim += 1
- *         else:
+    /* "View.MemoryView":942
+ *         shape[i], shape[j] = shape[j], shape[i]
+ * 
+ *         if memslice.suboffsets[i] >= 0 or memslice.suboffsets[j] >= 0:             # <<<<<<<<<<<<<<
+ *             _err(PyExc_ValueError, "Cannot transpose memoryview with indirect dimensions")
+ * 
  */
-      (__pyx_v_p_dst->suboffsets[__pyx_v_new_ndim]) = -1L;
+    __pyx_t_8 = ((__pyx_v_memslice->suboffsets[__pyx_v_i]) >= 0);
+    if (!__pyx_t_8) {
+    } else {
+      __pyx_t_7 = __pyx_t_8;
+      goto __pyx_L6_bool_binop_done;
+    }
+    __pyx_t_8 = ((__pyx_v_memslice->suboffsets[__pyx_v_j]) >= 0);
+    __pyx_t_7 = __pyx_t_8;
+    __pyx_L6_bool_binop_done:;
+    if (__pyx_t_7) {
 
-      /* "View.MemoryView":758
- *             p_dst.strides[new_ndim] = 0
- *             p_dst.suboffsets[new_ndim] = -1
- *             new_ndim += 1             # <<<<<<<<<<<<<<
- *         else:
- *             start = index.start or 0
+      /* "View.MemoryView":943
+ * 
+ *         if memslice.suboffsets[i] >= 0 or memslice.suboffsets[j] >= 0:
+ *             _err(PyExc_ValueError, "Cannot transpose memoryview with indirect dimensions")             # <<<<<<<<<<<<<<
+ * 
+ *     return 0
  */
-      __pyx_v_new_ndim = (__pyx_v_new_ndim + 1);
+      __pyx_t_9 = __pyx_memoryview_err(PyExc_ValueError, __pyx_kp_s_Cannot_transpose_memoryview_with); if (unlikely(__pyx_t_9 == ((int)-1))) __PYX_ERR(1, 943, __pyx_L1_error)
 
-      /* "View.MemoryView":754
- *                 0, 0, 0, # have_{start,stop,step}
- *                 False)
- *         elif index is None:             # <<<<<<<<<<<<<<
- *             p_dst.shape[new_ndim] = 1
- *             p_dst.strides[new_ndim] = 0
+      /* "View.MemoryView":942
+ *         shape[i], shape[j] = shape[j], shape[i]
+ * 
+ *         if memslice.suboffsets[i] >= 0 or memslice.suboffsets[j] >= 0:             # <<<<<<<<<<<<<<
+ *             _err(PyExc_ValueError, "Cannot transpose memoryview with indirect dimensions")
+ * 
  */
-      goto __pyx_L6;
     }
+  }
 
-    /* "View.MemoryView":760
- *             new_ndim += 1
- *         else:
- *             start = index.start or 0             # <<<<<<<<<<<<<<
- *             stop = index.stop or 0
- *             step = index.step or 0
+  /* "View.MemoryView":945
+ *             _err(PyExc_ValueError, "Cannot transpose memoryview with indirect dimensions")
+ * 
+ *     return 0             # <<<<<<<<<<<<<<
+ * 
+ * 
  */
-    /*else*/ {
-      __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_v_index, __pyx_n_s_start); if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 760, __pyx_L1_error)
-      __Pyx_GOTREF(__pyx_t_9);
-      __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_9); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(1, 760, __pyx_L1_error)
-      if (!__pyx_t_1) {
-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-      } else {
-        __pyx_t_12 = __Pyx_PyIndex_AsSsize_t(__pyx_t_9); if (unlikely((__pyx_t_12 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(1, 760, __pyx_L1_error)
-        __pyx_t_10 = __pyx_t_12;
-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-        goto __pyx_L7_bool_binop_done;
-      }
-      __pyx_t_10 = 0;
-      __pyx_L7_bool_binop_done:;
-      __pyx_v_start = __pyx_t_10;
+  __pyx_r = 0;
+  goto __pyx_L0;
 
-      /* "View.MemoryView":761
- *         else:
- *             start = index.start or 0
- *             stop = index.stop or 0             # <<<<<<<<<<<<<<
- *             step = index.step or 0
+  /* "View.MemoryView":929
+ * 
+ * @cname('__pyx_memslice_transpose')
+ * cdef int transpose_memslice(__Pyx_memviewslice *memslice) except -1 nogil:             # <<<<<<<<<<<<<<
+ *     cdef int ndim = memslice.memview.view.ndim
  * 
  */
-      __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_v_index, __pyx_n_s_stop); if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 761, __pyx_L1_error)
-      __Pyx_GOTREF(__pyx_t_9);
-      __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_9); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(1, 761, __pyx_L1_error)
-      if (!__pyx_t_1) {
-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-      } else {
-        __pyx_t_12 = __Pyx_PyIndex_AsSsize_t(__pyx_t_9); if (unlikely((__pyx_t_12 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(1, 761, __pyx_L1_error)
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-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-        goto __pyx_L9_bool_binop_done;
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-      __pyx_t_10 = 0;
-      __pyx_L9_bool_binop_done:;
-      __pyx_v_stop = __pyx_t_10;
 
-      /* "View.MemoryView":762
- *             start = index.start or 0
- *             stop = index.stop or 0
- *             step = index.step or 0             # <<<<<<<<<<<<<<
+  /* function exit code */
+  __pyx_L1_error:;
+  #ifdef WITH_THREAD
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+  }
 
-        /* "View.MemoryView":858
+  /* "View.MemoryView":1013
  * 
- *         if have_stop:
- *             if stop < 0:             # <<<<<<<<<<<<<<
- *                 stop += shape
- *                 if stop < 0:
+ * 
+ *     result = _memoryviewslice.__new__(_memoryviewslice, None, 0, dtype_is_object)             # <<<<<<<<<<<<<<
+ * 
+ *     result.from_slice = memviewslice
  */
-        goto __pyx_L17;
-      }
+  __pyx_t_2 = __Pyx_PyBool_FromLong(__pyx_v_dtype_is_object); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1013, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_3 = PyTuple_New(3); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 1013, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_INCREF(Py_None);
+  __Pyx_GIVEREF(Py_None);
+  if (__Pyx_PyTuple_SET_ITEM(__pyx_t_3, 0, Py_None)) __PYX_ERR(1, 1013, __pyx_L1_error);
+  __Pyx_INCREF(__pyx_int_0);
+  __Pyx_GIVEREF(__pyx_int_0);
+  if (__Pyx_PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_int_0)) __PYX_ERR(1, 1013, __pyx_L1_error);
+  __Pyx_GIVEREF(__pyx_t_2);
+  if (__Pyx_PyTuple_SET_ITEM(__pyx_t_3, 2, __pyx_t_2)) __PYX_ERR(1, 1013, __pyx_L1_error);
+  __pyx_t_2 = 0;
+  __pyx_t_2 = ((PyObject *)__pyx_tp_new__memoryviewslice(((PyTypeObject *)__pyx_memoryviewslice_type), __pyx_t_3, NULL)); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1013, __pyx_L1_error)
+  __Pyx_GOTREF((PyObject *)__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+  __pyx_v_result = ((struct __pyx_memoryviewslice_obj *)__pyx_t_2);
+  __pyx_t_2 = 0;
 
-      /* "View.MemoryView":862
- *                 if stop < 0:
- *                     stop = 0
- *             elif stop > shape:             # <<<<<<<<<<<<<<
- *                 stop = shape
- *         else:
+  /* "View.MemoryView":1015
+ *     result = _memoryviewslice.__new__(_memoryviewslice, None, 0, dtype_is_object)
+ * 
+ *     result.from_slice = memviewslice             # <<<<<<<<<<<<<<
+ *     __PYX_INC_MEMVIEW(&memviewslice, 1)
+ * 
  */
-      __pyx_t_2 = ((__pyx_v_stop > __pyx_v_shape) != 0);
-      if (__pyx_t_2) {
+  __pyx_v_result->from_slice = __pyx_v_memviewslice;
 
-        /* "View.MemoryView":863
- *                     stop = 0
- *             elif stop > shape:
- *                 stop = shape             # <<<<<<<<<<<<<<
- *         else:
- *             if negative_step:
+  /* "View.MemoryView":1016
+ * 
+ *     result.from_slice = memviewslice
+ *     __PYX_INC_MEMVIEW(&memviewslice, 1)             # <<<<<<<<<<<<<<
+ * 
+ *     result.from_object = (<memoryview> memviewslice.memview)._get_base()
  */
-        __pyx_v_stop = __pyx_v_shape;
+  __PYX_INC_MEMVIEW((&__pyx_v_memviewslice), 1);
 
-        /* "View.MemoryView":862
- *                 if stop < 0:
- *                     stop = 0
- *             elif stop > shape:             # <<<<<<<<<<<<<<
- *                 stop = shape
- *         else:
+  /* "View.MemoryView":1018
+ *     __PYX_INC_MEMVIEW(&memviewslice, 1)
+ * 
+ *     result.from_object = (<memoryview> memviewslice.memview)._get_base()             # <<<<<<<<<<<<<<
+ *     result.typeinfo = memviewslice.memview.typeinfo
+ * 
  */
-      }
-      __pyx_L17:;
+  __pyx_t_2 = ((struct __pyx_vtabstruct_memoryview *)((struct __pyx_memoryview_obj *)__pyx_v_memviewslice.memview)->__pyx_vtab)->_get_base(((struct __pyx_memoryview_obj *)__pyx_v_memviewslice.memview)); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1018, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_GIVEREF(__pyx_t_2);
+  __Pyx_GOTREF(__pyx_v_result->from_object);
+  __Pyx_DECREF(__pyx_v_result->from_object);
+  __pyx_v_result->from_object = __pyx_t_2;
+  __pyx_t_2 = 0;
 
-      /* "View.MemoryView":857
- *                 start = 0
+  /* "View.MemoryView":1019
  * 
- *         if have_stop:             # <<<<<<<<<<<<<<
- *             if stop < 0:
- *                 stop += shape
+ *     result.from_object = (<memoryview> memviewslice.memview)._get_base()
+ *     result.typeinfo = memviewslice.memview.typeinfo             # <<<<<<<<<<<<<<
+ * 
+ *     result.view = memviewslice.memview.view
  */
-      goto __pyx_L16;
-    }
+  __pyx_t_4 = __pyx_v_memviewslice.memview->typeinfo;
+  __pyx_v_result->__pyx_base.typeinfo = __pyx_t_4;
 
-    /* "View.MemoryView":865
- *                 stop = shape
- *         else:
- *             if negative_step:             # <<<<<<<<<<<<<<
- *                 stop = -1
- *             else:
+  /* "View.MemoryView":1021
+ *     result.typeinfo = memviewslice.memview.typeinfo
+ * 
+ *     result.view = memviewslice.memview.view             # <<<<<<<<<<<<<<
+ *     result.view.buf = <void *> memviewslice.data
+ *     result.view.ndim = ndim
  */
-    /*else*/ {
-      __pyx_t_2 = (__pyx_v_negative_step != 0);
-      if (__pyx_t_2) {
+  __pyx_t_5 = __pyx_v_memviewslice.memview->view;
+  __pyx_v_result->__pyx_base.view = __pyx_t_5;
 
-        /* "View.MemoryView":866
- *         else:
- *             if negative_step:
- *                 stop = -1             # <<<<<<<<<<<<<<
- *             else:
- *                 stop = shape
+  /* "View.MemoryView":1022
+ * 
+ *     result.view = memviewslice.memview.view
+ *     result.view.buf = <void *> memviewslice.data             # <<<<<<<<<<<<<<
+ *     result.view.ndim = ndim
+ *     (<__pyx_buffer *> &result.view).obj = Py_None
  */
-        __pyx_v_stop = -1L;
+  __pyx_v_result->__pyx_base.view.buf = ((void *)__pyx_v_memviewslice.data);
 
-        /* "View.MemoryView":865
- *                 stop = shape
- *         else:
- *             if negative_step:             # <<<<<<<<<<<<<<
- *                 stop = -1
- *             else:
+  /* "View.MemoryView":1023
+ *     result.view = memviewslice.memview.view
+ *     result.view.buf = <void *> memviewslice.data
+ *     result.view.ndim = ndim             # <<<<<<<<<<<<<<
+ *     (<__pyx_buffer *> &result.view).obj = Py_None
+ *     Py_INCREF(Py_None)
  */
-        goto __pyx_L19;
-      }
+  __pyx_v_result->__pyx_base.view.ndim = __pyx_v_ndim;
 
-      /* "View.MemoryView":868
- *                 stop = -1
- *             else:
- *                 stop = shape             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1024
+ *     result.view.buf = <void *> memviewslice.data
+ *     result.view.ndim = ndim
+ *     (<__pyx_buffer *> &result.view).obj = Py_None             # <<<<<<<<<<<<<<
+ *     Py_INCREF(Py_None)
  * 
- *         if not have_step:
  */
-      /*else*/ {
-        __pyx_v_stop = __pyx_v_shape;
-      }
-      __pyx_L19:;
-    }
-    __pyx_L16:;
+  ((Py_buffer *)(&__pyx_v_result->__pyx_base.view))->obj = Py_None;
 
-    /* "View.MemoryView":870
- *                 stop = shape
- * 
- *         if not have_step:             # <<<<<<<<<<<<<<
- *             step = 1
+  /* "View.MemoryView":1025
+ *     result.view.ndim = ndim
+ *     (<__pyx_buffer *> &result.view).obj = Py_None
+ *     Py_INCREF(Py_None)             # <<<<<<<<<<<<<<
  * 
+ *     if (<memoryview>memviewslice.memview).flags & PyBUF_WRITABLE:
  */
-    __pyx_t_2 = ((!(__pyx_v_have_step != 0)) != 0);
-    if (__pyx_t_2) {
+  Py_INCREF(Py_None);
 
-      /* "View.MemoryView":871
- * 
- *         if not have_step:
- *             step = 1             # <<<<<<<<<<<<<<
- * 
+  /* "View.MemoryView":1027
+ *     Py_INCREF(Py_None)
  * 
+ *     if (<memoryview>memviewslice.memview).flags & PyBUF_WRITABLE:             # <<<<<<<<<<<<<<
+ *         result.flags = PyBUF_RECORDS
+ *     else:
  */
-      __pyx_v_step = 1;
+  __pyx_t_1 = ((((struct __pyx_memoryview_obj *)__pyx_v_memviewslice.memview)->flags & PyBUF_WRITABLE) != 0);
+  if (__pyx_t_1) {
 
-      /* "View.MemoryView":870
- *                 stop = shape
- * 
- *         if not have_step:             # <<<<<<<<<<<<<<
- *             step = 1
+    /* "View.MemoryView":1028
  * 
+ *     if (<memoryview>memviewslice.memview).flags & PyBUF_WRITABLE:
+ *         result.flags = PyBUF_RECORDS             # <<<<<<<<<<<<<<
+ *     else:
+ *         result.flags = PyBUF_RECORDS_RO
  */
-    }
+    __pyx_v_result->__pyx_base.flags = PyBUF_RECORDS;
 
-    /* "View.MemoryView":875
- * 
- *         with cython.cdivision(True):
- *             new_shape = (stop - start) // step             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":1027
+ *     Py_INCREF(Py_None)
  * 
- *             if (stop - start) - step * new_shape:
+ *     if (<memoryview>memviewslice.memview).flags & PyBUF_WRITABLE:             # <<<<<<<<<<<<<<
+ *         result.flags = PyBUF_RECORDS
+ *     else:
  */
-    __pyx_v_new_shape = ((__pyx_v_stop - __pyx_v_start) / __pyx_v_step);
+    goto __pyx_L4;
+  }
 
-    /* "View.MemoryView":877
- *             new_shape = (stop - start) // step
- * 
- *             if (stop - start) - step * new_shape:             # <<<<<<<<<<<<<<
- *                 new_shape += 1
+  /* "View.MemoryView":1030
+ *         result.flags = PyBUF_RECORDS
+ *     else:
+ *         result.flags = PyBUF_RECORDS_RO             # <<<<<<<<<<<<<<
  * 
+ *     result.view.shape = <Py_ssize_t *> result.from_slice.shape
  */
-    __pyx_t_2 = (((__pyx_v_stop - __pyx_v_start) - (__pyx_v_step * __pyx_v_new_shape)) != 0);
-    if (__pyx_t_2) {
+  /*else*/ {
+    __pyx_v_result->__pyx_base.flags = PyBUF_RECORDS_RO;
+  }
+  __pyx_L4:;
 
-      /* "View.MemoryView":878
+  /* "View.MemoryView":1032
+ *         result.flags = PyBUF_RECORDS_RO
  * 
- *             if (stop - start) - step * new_shape:
- *                 new_shape += 1             # <<<<<<<<<<<<<<
+ *     result.view.shape = <Py_ssize_t *> result.from_slice.shape             # <<<<<<<<<<<<<<
+ *     result.view.strides = <Py_ssize_t *> result.from_slice.strides
  * 
- *         if new_shape < 0:
  */
-      __pyx_v_new_shape = (__pyx_v_new_shape + 1);
+  __pyx_v_result->__pyx_base.view.shape = ((Py_ssize_t *)__pyx_v_result->from_slice.shape);
 
-      /* "View.MemoryView":877
- *             new_shape = (stop - start) // step
+  /* "View.MemoryView":1033
+ * 
+ *     result.view.shape = <Py_ssize_t *> result.from_slice.shape
+ *     result.view.strides = <Py_ssize_t *> result.from_slice.strides             # <<<<<<<<<<<<<<
  * 
- *             if (stop - start) - step * new_shape:             # <<<<<<<<<<<<<<
- *                 new_shape += 1
  * 
  */
-    }
+  __pyx_v_result->__pyx_base.view.strides = ((Py_ssize_t *)__pyx_v_result->from_slice.strides);
 
-    /* "View.MemoryView":880
- *                 new_shape += 1
+  /* "View.MemoryView":1036
  * 
- *         if new_shape < 0:             # <<<<<<<<<<<<<<
- *             new_shape = 0
  * 
+ *     result.view.suboffsets = NULL             # <<<<<<<<<<<<<<
+ *     for suboffset in result.from_slice.suboffsets[:ndim]:
+ *         if suboffset >= 0:
  */
-    __pyx_t_2 = ((__pyx_v_new_shape < 0) != 0);
-    if (__pyx_t_2) {
+  __pyx_v_result->__pyx_base.view.suboffsets = NULL;
 
-      /* "View.MemoryView":881
- * 
- *         if new_shape < 0:
- *             new_shape = 0             # <<<<<<<<<<<<<<
- * 
+  /* "View.MemoryView":1037
  * 
+ *     result.view.suboffsets = NULL
+ *     for suboffset in result.from_slice.suboffsets[:ndim]:             # <<<<<<<<<<<<<<
+ *         if suboffset >= 0:
+ *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets
  */
-      __pyx_v_new_shape = 0;
+  __pyx_t_7 = (__pyx_v_result->from_slice.suboffsets + __pyx_v_ndim);
+  for (__pyx_t_8 = __pyx_v_result->from_slice.suboffsets; __pyx_t_8 < __pyx_t_7; __pyx_t_8++) {
+    __pyx_t_6 = __pyx_t_8;
+    __pyx_v_suboffset = (__pyx_t_6[0]);
 
-      /* "View.MemoryView":880
- *                 new_shape += 1
- * 
- *         if new_shape < 0:             # <<<<<<<<<<<<<<
- *             new_shape = 0
- * 
+    /* "View.MemoryView":1038
+ *     result.view.suboffsets = NULL
+ *     for suboffset in result.from_slice.suboffsets[:ndim]:
+ *         if suboffset >= 0:             # <<<<<<<<<<<<<<
+ *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets
+ *             break
  */
-    }
+    __pyx_t_1 = (__pyx_v_suboffset >= 0);
+    if (__pyx_t_1) {
 
-    /* "View.MemoryView":884
- * 
+      /* "View.MemoryView":1039
+ *     for suboffset in result.from_slice.suboffsets[:ndim]:
+ *         if suboffset >= 0:
+ *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets             # <<<<<<<<<<<<<<
+ *             break
  * 
- *         dst.strides[new_ndim] = stride * step             # <<<<<<<<<<<<<<
- *         dst.shape[new_ndim] = new_shape
- *         dst.suboffsets[new_ndim] = suboffset
  */
-    (__pyx_v_dst->strides[__pyx_v_new_ndim]) = (__pyx_v_stride * __pyx_v_step);
+      __pyx_v_result->__pyx_base.view.suboffsets = ((Py_ssize_t *)__pyx_v_result->from_slice.suboffsets);
 
-    /* "View.MemoryView":885
- * 
- *         dst.strides[new_ndim] = stride * step
- *         dst.shape[new_ndim] = new_shape             # <<<<<<<<<<<<<<
- *         dst.suboffsets[new_ndim] = suboffset
+      /* "View.MemoryView":1040
+ *         if suboffset >= 0:
+ *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets
+ *             break             # <<<<<<<<<<<<<<
  * 
+ *     result.view.len = result.view.itemsize
  */
-    (__pyx_v_dst->shape[__pyx_v_new_ndim]) = __pyx_v_new_shape;
+      goto __pyx_L6_break;
 
-    /* "View.MemoryView":886
- *         dst.strides[new_ndim] = stride * step
- *         dst.shape[new_ndim] = new_shape
- *         dst.suboffsets[new_ndim] = suboffset             # <<<<<<<<<<<<<<
- * 
- * 
+      /* "View.MemoryView":1038
+ *     result.view.suboffsets = NULL
+ *     for suboffset in result.from_slice.suboffsets[:ndim]:
+ *         if suboffset >= 0:             # <<<<<<<<<<<<<<
+ *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets
+ *             break
  */
-    (__pyx_v_dst->suboffsets[__pyx_v_new_ndim]) = __pyx_v_suboffset;
+    }
   }
-  __pyx_L3:;
-
-  /* "View.MemoryView":889
- * 
- * 
- *     if suboffset_dim[0] < 0:             # <<<<<<<<<<<<<<
- *         dst.data += start * stride
- *     else:
- */
-  __pyx_t_2 = (((__pyx_v_suboffset_dim[0]) < 0) != 0);
-  if (__pyx_t_2) {
+  __pyx_L6_break:;
 
-    /* "View.MemoryView":890
+  /* "View.MemoryView":1042
+ *             break
  * 
- *     if suboffset_dim[0] < 0:
- *         dst.data += start * stride             # <<<<<<<<<<<<<<
- *     else:
- *         dst.suboffsets[suboffset_dim[0]] += start * stride
+ *     result.view.len = result.view.itemsize             # <<<<<<<<<<<<<<
+ *     for length in result.view.shape[:ndim]:
+ *         result.view.len *= length
  */
-    __pyx_v_dst->data = (__pyx_v_dst->data + (__pyx_v_start * __pyx_v_stride));
+  __pyx_t_9 = __pyx_v_result->__pyx_base.view.itemsize;
+  __pyx_v_result->__pyx_base.view.len = __pyx_t_9;
 
-    /* "View.MemoryView":889
+  /* "View.MemoryView":1043
  * 
+ *     result.view.len = result.view.itemsize
+ *     for length in result.view.shape[:ndim]:             # <<<<<<<<<<<<<<
+ *         result.view.len *= length
  * 
- *     if suboffset_dim[0] < 0:             # <<<<<<<<<<<<<<
- *         dst.data += start * stride
- *     else:
  */
-    goto __pyx_L23;
-  }
+  __pyx_t_7 = (__pyx_v_result->__pyx_base.view.shape + __pyx_v_ndim);
+  for (__pyx_t_8 = __pyx_v_result->__pyx_base.view.shape; __pyx_t_8 < __pyx_t_7; __pyx_t_8++) {
+    __pyx_t_6 = __pyx_t_8;
+    __pyx_t_2 = PyInt_FromSsize_t((__pyx_t_6[0])); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1043, __pyx_L1_error)
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_XDECREF_SET(__pyx_v_length, __pyx_t_2);
+    __pyx_t_2 = 0;
 
-  /* "View.MemoryView":892
- *         dst.data += start * stride
- *     else:
- *         dst.suboffsets[suboffset_dim[0]] += start * stride             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":1044
+ *     result.view.len = result.view.itemsize
+ *     for length in result.view.shape[:ndim]:
+ *         result.view.len *= length             # <<<<<<<<<<<<<<
  * 
- *     if suboffset >= 0:
+ *     result.to_object_func = to_object_func
  */
-  /*else*/ {
-    __pyx_t_3 = (__pyx_v_suboffset_dim[0]);
-    (__pyx_v_dst->suboffsets[__pyx_t_3]) = ((__pyx_v_dst->suboffsets[__pyx_t_3]) + (__pyx_v_start * __pyx_v_stride));
+    __pyx_t_2 = PyInt_FromSsize_t(__pyx_v_result->__pyx_base.view.len); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1044, __pyx_L1_error)
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_3 = PyNumber_InPlaceMultiply(__pyx_t_2, __pyx_v_length); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 1044, __pyx_L1_error)
+    __Pyx_GOTREF(__pyx_t_3);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __pyx_t_9 = __Pyx_PyIndex_AsSsize_t(__pyx_t_3); if (unlikely((__pyx_t_9 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(1, 1044, __pyx_L1_error)
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_v_result->__pyx_base.view.len = __pyx_t_9;
   }
-  __pyx_L23:;
-
-  /* "View.MemoryView":894
- *         dst.suboffsets[suboffset_dim[0]] += start * stride
- * 
- *     if suboffset >= 0:             # <<<<<<<<<<<<<<
- *         if not is_slice:
- *             if new_ndim == 0:
- */
-  __pyx_t_2 = ((__pyx_v_suboffset >= 0) != 0);
-  if (__pyx_t_2) {
 
-    /* "View.MemoryView":895
+  /* "View.MemoryView":1046
+ *         result.view.len *= length
  * 
- *     if suboffset >= 0:
- *         if not is_slice:             # <<<<<<<<<<<<<<
- *             if new_ndim == 0:
- *                 dst.data = (<char **> dst.data)[0] + suboffset
- */
-    __pyx_t_2 = ((!(__pyx_v_is_slice != 0)) != 0);
-    if (__pyx_t_2) {
-
-      /* "View.MemoryView":896
- *     if suboffset >= 0:
- *         if not is_slice:
- *             if new_ndim == 0:             # <<<<<<<<<<<<<<
- *                 dst.data = (<char **> dst.data)[0] + suboffset
- *             else:
- */
-      __pyx_t_2 = ((__pyx_v_new_ndim == 0) != 0);
-      if (__pyx_t_2) {
-
-        /* "View.MemoryView":897
- *         if not is_slice:
- *             if new_ndim == 0:
- *                 dst.data = (<char **> dst.data)[0] + suboffset             # <<<<<<<<<<<<<<
- *             else:
- *                 _err_dim(IndexError, "All dimensions preceding dimension %d "
- */
-        __pyx_v_dst->data = ((((char **)__pyx_v_dst->data)[0]) + __pyx_v_suboffset);
-
-        /* "View.MemoryView":896
- *     if suboffset >= 0:
- *         if not is_slice:
- *             if new_ndim == 0:             # <<<<<<<<<<<<<<
- *                 dst.data = (<char **> dst.data)[0] + suboffset
- *             else:
- */
-        goto __pyx_L26;
-      }
-
-      /* "View.MemoryView":899
- *                 dst.data = (<char **> dst.data)[0] + suboffset
- *             else:
- *                 _err_dim(IndexError, "All dimensions preceding dimension %d "             # <<<<<<<<<<<<<<
- *                                      "must be indexed and not sliced", dim)
- *         else:
- */
-      /*else*/ {
-
-        /* "View.MemoryView":900
- *             else:
- *                 _err_dim(IndexError, "All dimensions preceding dimension %d "
- *                                      "must be indexed and not sliced", dim)             # <<<<<<<<<<<<<<
- *         else:
- *             suboffset_dim[0] = new_ndim
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- *             if new_ndim == 0:
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-      goto __pyx_L25;
-    }
+  __pyx_v_result->to_object_func = __pyx_v_to_object_func;
 
-    /* "View.MemoryView":902
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-    /* "View.MemoryView":894
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  * 
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- *     return 0             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1049
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+ *     return result             # <<<<<<<<<<<<<<
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-  /* "View.MemoryView":807
+  /* "View.MemoryView":999
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- * @cname('__pyx_memoryview_slice_memviewslice')
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- *         __Pyx_memviewslice *dst,
- *         Py_ssize_t shape, Py_ssize_t stride, Py_ssize_t suboffset,
+ * @cname('__pyx_memoryview_fromslice')
+ * cdef memoryview_fromslice(__Pyx_memviewslice memviewslice,             # <<<<<<<<<<<<<<
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-    __Pyx_PyGILState_Release(__pyx_gilstate_save);
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-  __pyx_r = -1;
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+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_AddTraceback("View.MemoryView.memoryview_fromslice", __pyx_clineno, __pyx_lineno, __pyx_filename);
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- *     cdef Py_ssize_t shape, stride, suboffset = -1
+ * @cname('__pyx_memoryview_get_slice_from_memoryview')
+ * cdef __Pyx_memviewslice *get_slice_from_memview(memoryview memview,             # <<<<<<<<<<<<<<
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+ *     cdef _memoryviewslice obj
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-static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, Py_ssize_t __pyx_v_index, Py_ssize_t __pyx_v_dim) {
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-  char *__pyx_v_resultp;
-  char *__pyx_r;
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-  int __pyx_t_2;
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+  int __pyx_t_1;
+  PyObject *__pyx_t_2 = NULL;
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- *     cdef Py_ssize_t itemsize = view.itemsize             # <<<<<<<<<<<<<<
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-  __pyx_v_itemsize = __pyx_t_1;
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- *     if view.ndim == 0:             # <<<<<<<<<<<<<<
- *         shape = view.len / itemsize
- *         stride = itemsize
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+ *     cdef _memoryviewslice obj
+ *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
+ *         obj = memview
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-  __pyx_t_2 = ((__pyx_v_view->ndim == 0) != 0);
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+    __pyx_r = (&__pyx_v_obj->from_slice);
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- *     if view.ndim == 0:             # <<<<<<<<<<<<<<
- *         shape = view.len / itemsize
- *         stride = itemsize
+    /* "View.MemoryView":1055
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+ *     cdef _memoryviewslice obj
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+ *         obj = memview
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  */
-    goto __pyx_L3;
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- *         stride = view.strides[dim]
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- *         if view.suboffsets != NULL:             # <<<<<<<<<<<<<<
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-    if (__pyx_t_2) {
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+ *     cdef _memoryviewslice obj
  */
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- *             suboffset = view.suboffsets[dim]
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- */
-    }
-  }
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+  __pyx_L1_error:;
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  * 
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+  Py_ssize_t *__pyx_v_strides;
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+    /* "View.MemoryView":1076
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+ * @cname('__pyx_memoryview_slice_copy')
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+ *     "Create a new memoryview object"
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+static PyObject *__pyx_memoryview_copy_object(struct __pyx_memoryview_obj *__pyx_v_memview) {
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+ */
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- *                           Py_ssize_t dim) except NULL:
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+ *     "Create a new memoryview object"
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+ * @cname('__pyx_memoryview_copy_object_from_slice')
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-  /* "(tree fragment)":3
- * def __reduce_cython__(self):
- *     raise TypeError("no default __reduce__ due to non-trivial __cinit__")
- * def __setstate_cython__(self, __pyx_state):             # <<<<<<<<<<<<<<
- *     raise TypeError("no default __reduce__ due to non-trivial __cinit__")
+    /* "View.MemoryView":1150
+ * 
+ *     if ndim == 1:
+ *         if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
  */
+    if (__pyx_t_1) {
 
-  /* function exit code */
-  __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_1);
-  __Pyx_AddTraceback("View.MemoryView._memoryviewslice.__setstate_cython__", __pyx_clineno, __pyx_lineno, __pyx_filename);
-  __pyx_r = NULL;
-  __Pyx_XGIVEREF(__pyx_r);
-  __Pyx_RefNannyFinishContext();
-  return __pyx_r;
-}
+      /* "View.MemoryView":1152
+ *         if (src_stride > 0 and dst_stride > 0 and
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)             # <<<<<<<<<<<<<<
+ *         else:
+ *             for i in range(dst_extent):
+ */
+      (void)(memcpy(__pyx_v_dst_data, __pyx_v_src_data, (__pyx_v_itemsize * __pyx_v_dst_extent)));
 
-/* "View.MemoryView":999
+      /* "View.MemoryView":1150
  * 
- * @cname('__pyx_memoryview_fromslice')
- * cdef memoryview_fromslice(__Pyx_memviewslice memviewslice,             # <<<<<<<<<<<<<<
- *                           int ndim,
- *                           object (*to_object_func)(char *),
+ *     if ndim == 1:
+ *         if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
  */
+      goto __pyx_L4;
+    }
 
-static PyObject *__pyx_memoryview_fromslice(__Pyx_memviewslice __pyx_v_memviewslice, int __pyx_v_ndim, PyObject *(*__pyx_v_to_object_func)(char *), int (*__pyx_v_to_dtype_func)(char *, PyObject *), int __pyx_v_dtype_is_object) {
-  struct __pyx_memoryviewslice_obj *__pyx_v_result = 0;
-  Py_ssize_t __pyx_v_suboffset;
-  PyObject *__pyx_v_length = NULL;
-  PyObject *__pyx_r = NULL;
-  __Pyx_RefNannyDeclarations
-  int __pyx_t_1;
-  PyObject *__pyx_t_2 = NULL;
-  PyObject *__pyx_t_3 = NULL;
-  __Pyx_TypeInfo *__pyx_t_4;
-  Py_buffer __pyx_t_5;
-  Py_ssize_t *__pyx_t_6;
-  Py_ssize_t *__pyx_t_7;
-  Py_ssize_t *__pyx_t_8;
-  Py_ssize_t __pyx_t_9;
-  int __pyx_lineno = 0;
-  const char *__pyx_filename = NULL;
-  int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("memoryview_fromslice", 0);
+    /* "View.MemoryView":1154
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
+ *         else:
+ *             for i in range(dst_extent):             # <<<<<<<<<<<<<<
+ *                 memcpy(dst_data, src_data, itemsize)
+ *                 src_data += src_stride
+ */
+    /*else*/ {
+      __pyx_t_3 = __pyx_v_dst_extent;
+      __pyx_t_4 = __pyx_t_3;
+      for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
+        __pyx_v_i = __pyx_t_5;
 
-  /* "View.MemoryView":1007
- *     cdef _memoryviewslice result
- * 
- *     if <PyObject *> memviewslice.memview == Py_None:             # <<<<<<<<<<<<<<
- *         return None
- * 
+        /* "View.MemoryView":1155
+ *         else:
+ *             for i in range(dst_extent):
+ *                 memcpy(dst_data, src_data, itemsize)             # <<<<<<<<<<<<<<
+ *                 src_data += src_stride
+ *                 dst_data += dst_stride
  */
-  __pyx_t_1 = ((((PyObject *)__pyx_v_memviewslice.memview) == Py_None) != 0);
-  if (__pyx_t_1) {
+        (void)(memcpy(__pyx_v_dst_data, __pyx_v_src_data, __pyx_v_itemsize));
 
-    /* "View.MemoryView":1008
- * 
- *     if <PyObject *> memviewslice.memview == Py_None:
- *         return None             # <<<<<<<<<<<<<<
- * 
- * 
+        /* "View.MemoryView":1156
+ *             for i in range(dst_extent):
+ *                 memcpy(dst_data, src_data, itemsize)
+ *                 src_data += src_stride             # <<<<<<<<<<<<<<
+ *                 dst_data += dst_stride
+ *     else:
  */
-    __Pyx_XDECREF(__pyx_r);
-    __pyx_r = Py_None; __Pyx_INCREF(Py_None);
-    goto __pyx_L0;
+        __pyx_v_src_data = (__pyx_v_src_data + __pyx_v_src_stride);
 
-    /* "View.MemoryView":1007
- *     cdef _memoryviewslice result
- * 
- *     if <PyObject *> memviewslice.memview == Py_None:             # <<<<<<<<<<<<<<
- *         return None
- * 
+        /* "View.MemoryView":1157
+ *                 memcpy(dst_data, src_data, itemsize)
+ *                 src_data += src_stride
+ *                 dst_data += dst_stride             # <<<<<<<<<<<<<<
+ *     else:
+ *         for i in range(dst_extent):
  */
-  }
+        __pyx_v_dst_data = (__pyx_v_dst_data + __pyx_v_dst_stride);
+      }
+    }
+    __pyx_L4:;
 
-  /* "View.MemoryView":1013
- * 
- * 
- *     result = _memoryviewslice(None, 0, dtype_is_object)             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":1149
+ *     cdef Py_ssize_t dst_stride = dst_strides[0]
  * 
- *     result.from_slice = memviewslice
+ *     if ndim == 1:             # <<<<<<<<<<<<<<
+ *         if (src_stride > 0 and dst_stride > 0 and
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
  */
-  __pyx_t_2 = __Pyx_PyBool_FromLong(__pyx_v_dtype_is_object); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1013, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_2);
-  __pyx_t_3 = PyTuple_New(3); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 1013, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_3);
-  __Pyx_INCREF(Py_None);
-  __Pyx_GIVEREF(Py_None);
-  PyTuple_SET_ITEM(__pyx_t_3, 0, Py_None);
-  __Pyx_INCREF(__pyx_int_0);
-  __Pyx_GIVEREF(__pyx_int_0);
-  PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_int_0);
-  __Pyx_GIVEREF(__pyx_t_2);
-  PyTuple_SET_ITEM(__pyx_t_3, 2, __pyx_t_2);
-  __pyx_t_2 = 0;
-  __pyx_t_2 = __Pyx_PyObject_Call(((PyObject *)__pyx_memoryviewslice_type), __pyx_t_3, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1013, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_2);
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __pyx_v_result = ((struct __pyx_memoryviewslice_obj *)__pyx_t_2);
-  __pyx_t_2 = 0;
+    goto __pyx_L3;
+  }
 
-  /* "View.MemoryView":1015
- *     result = _memoryviewslice(None, 0, dtype_is_object)
- * 
- *     result.from_slice = memviewslice             # <<<<<<<<<<<<<<
- *     __PYX_INC_MEMVIEW(&memviewslice, 1)
- * 
+  /* "View.MemoryView":1159
+ *                 dst_data += dst_stride
+ *     else:
+ *         for i in range(dst_extent):             # <<<<<<<<<<<<<<
+ *             _copy_strided_to_strided(src_data, src_strides + 1,
+ *                                      dst_data, dst_strides + 1,
  */
-  __pyx_v_result->from_slice = __pyx_v_memviewslice;
+  /*else*/ {
+    __pyx_t_3 = __pyx_v_dst_extent;
+    __pyx_t_4 = __pyx_t_3;
+    for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
+      __pyx_v_i = __pyx_t_5;
 
-  /* "View.MemoryView":1016
- * 
- *     result.from_slice = memviewslice
- *     __PYX_INC_MEMVIEW(&memviewslice, 1)             # <<<<<<<<<<<<<<
- * 
- *     result.from_object = (<memoryview> memviewslice.memview).base
+      /* "View.MemoryView":1160
+ *     else:
+ *         for i in range(dst_extent):
+ *             _copy_strided_to_strided(src_data, src_strides + 1,             # <<<<<<<<<<<<<<
+ *                                      dst_data, dst_strides + 1,
+ *                                      src_shape + 1, dst_shape + 1,
  */
-  __PYX_INC_MEMVIEW((&__pyx_v_memviewslice), 1);
+      _copy_strided_to_strided(__pyx_v_src_data, (__pyx_v_src_strides + 1), __pyx_v_dst_data, (__pyx_v_dst_strides + 1), (__pyx_v_src_shape + 1), (__pyx_v_dst_shape + 1), (__pyx_v_ndim - 1), __pyx_v_itemsize);
 
-  /* "View.MemoryView":1018
- *     __PYX_INC_MEMVIEW(&memviewslice, 1)
- * 
- *     result.from_object = (<memoryview> memviewslice.memview).base             # <<<<<<<<<<<<<<
- *     result.typeinfo = memviewslice.memview.typeinfo
+      /* "View.MemoryView":1164
+ *                                      src_shape + 1, dst_shape + 1,
+ *                                      ndim - 1, itemsize)
+ *             src_data += src_stride             # <<<<<<<<<<<<<<
+ *             dst_data += dst_stride
  * 
  */
-  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_memviewslice.memview), __pyx_n_s_base); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1018, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_2);
-  __Pyx_GIVEREF(__pyx_t_2);
-  __Pyx_GOTREF(__pyx_v_result->from_object);
-  __Pyx_DECREF(__pyx_v_result->from_object);
-  __pyx_v_result->from_object = __pyx_t_2;
-  __pyx_t_2 = 0;
+      __pyx_v_src_data = (__pyx_v_src_data + __pyx_v_src_stride);
 
-  /* "View.MemoryView":1019
- * 
- *     result.from_object = (<memoryview> memviewslice.memview).base
- *     result.typeinfo = memviewslice.memview.typeinfo             # <<<<<<<<<<<<<<
+      /* "View.MemoryView":1165
+ *                                      ndim - 1, itemsize)
+ *             src_data += src_stride
+ *             dst_data += dst_stride             # <<<<<<<<<<<<<<
  * 
- *     result.view = memviewslice.memview.view
+ * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,
  */
-  __pyx_t_4 = __pyx_v_memviewslice.memview->typeinfo;
-  __pyx_v_result->__pyx_base.typeinfo = __pyx_t_4;
+      __pyx_v_dst_data = (__pyx_v_dst_data + __pyx_v_dst_stride);
+    }
+  }
+  __pyx_L3:;
 
-  /* "View.MemoryView":1021
- *     result.typeinfo = memviewslice.memview.typeinfo
+  /* "View.MemoryView":1137
  * 
- *     result.view = memviewslice.memview.view             # <<<<<<<<<<<<<<
- *     result.view.buf = <void *> memviewslice.data
- *     result.view.ndim = ndim
+ * @cython.cdivision(True)
+ * cdef void _copy_strided_to_strided(char *src_data, Py_ssize_t *src_strides,             # <<<<<<<<<<<<<<
+ *                                    char *dst_data, Py_ssize_t *dst_strides,
+ *                                    Py_ssize_t *src_shape, Py_ssize_t *dst_shape,
  */
-  __pyx_t_5 = __pyx_v_memviewslice.memview->view;
-  __pyx_v_result->__pyx_base.view = __pyx_t_5;
 
-  /* "View.MemoryView":1022
+  /* function exit code */
+}
+
+/* "View.MemoryView":1167
+ *             dst_data += dst_stride
  * 
- *     result.view = memviewslice.memview.view
- *     result.view.buf = <void *> memviewslice.data             # <<<<<<<<<<<<<<
- *     result.view.ndim = ndim
- *     (<__pyx_buffer *> &result.view).obj = Py_None
+ * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
+ *                                   __Pyx_memviewslice *dst,
+ *                                   int ndim, size_t itemsize) noexcept nogil:
  */
-  __pyx_v_result->__pyx_base.view.buf = ((void *)__pyx_v_memviewslice.data);
 
-  /* "View.MemoryView":1023
- *     result.view = memviewslice.memview.view
- *     result.view.buf = <void *> memviewslice.data
- *     result.view.ndim = ndim             # <<<<<<<<<<<<<<
- *     (<__pyx_buffer *> &result.view).obj = Py_None
- *     Py_INCREF(Py_None)
- */
-  __pyx_v_result->__pyx_base.view.ndim = __pyx_v_ndim;
+static void copy_strided_to_strided(__Pyx_memviewslice *__pyx_v_src, __Pyx_memviewslice *__pyx_v_dst, int __pyx_v_ndim, size_t __pyx_v_itemsize) {
 
-  /* "View.MemoryView":1024
- *     result.view.buf = <void *> memviewslice.data
- *     result.view.ndim = ndim
- *     (<__pyx_buffer *> &result.view).obj = Py_None             # <<<<<<<<<<<<<<
- *     Py_INCREF(Py_None)
+  /* "View.MemoryView":1170
+ *                                   __Pyx_memviewslice *dst,
+ *                                   int ndim, size_t itemsize) noexcept nogil:
+ *     _copy_strided_to_strided(src.data, src.strides, dst.data, dst.strides,             # <<<<<<<<<<<<<<
+ *                              src.shape, dst.shape, ndim, itemsize)
  * 
  */
-  ((Py_buffer *)(&__pyx_v_result->__pyx_base.view))->obj = Py_None;
+  _copy_strided_to_strided(__pyx_v_src->data, __pyx_v_src->strides, __pyx_v_dst->data, __pyx_v_dst->strides, __pyx_v_src->shape, __pyx_v_dst->shape, __pyx_v_ndim, __pyx_v_itemsize);
 
-  /* "View.MemoryView":1025
- *     result.view.ndim = ndim
- *     (<__pyx_buffer *> &result.view).obj = Py_None
- *     Py_INCREF(Py_None)             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1167
+ *             dst_data += dst_stride
  * 
- *     if (<memoryview>memviewslice.memview).flags & PyBUF_WRITABLE:
+ * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
+ *                                   __Pyx_memviewslice *dst,
+ *                                   int ndim, size_t itemsize) noexcept nogil:
  */
-  Py_INCREF(Py_None);
 
-  /* "View.MemoryView":1027
- *     Py_INCREF(Py_None)
- * 
- *     if (<memoryview>memviewslice.memview).flags & PyBUF_WRITABLE:             # <<<<<<<<<<<<<<
- *         result.flags = PyBUF_RECORDS
- *     else:
- */
-  __pyx_t_1 = ((((struct __pyx_memoryview_obj *)__pyx_v_memviewslice.memview)->flags & PyBUF_WRITABLE) != 0);
-  if (__pyx_t_1) {
+  /* function exit code */
+}
 
-    /* "View.MemoryView":1028
+/* "View.MemoryView":1174
  * 
- *     if (<memoryview>memviewslice.memview).flags & PyBUF_WRITABLE:
- *         result.flags = PyBUF_RECORDS             # <<<<<<<<<<<<<<
- *     else:
- *         result.flags = PyBUF_RECORDS_RO
+ * @cname('__pyx_memoryview_slice_get_size')
+ * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) noexcept nogil:             # <<<<<<<<<<<<<<
+ *     "Return the size of the memory occupied by the slice in number of bytes"
+ *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
  */
-    __pyx_v_result->__pyx_base.flags = PyBUF_RECORDS;
 
-    /* "View.MemoryView":1027
- *     Py_INCREF(Py_None)
- * 
- *     if (<memoryview>memviewslice.memview).flags & PyBUF_WRITABLE:             # <<<<<<<<<<<<<<
- *         result.flags = PyBUF_RECORDS
- *     else:
- */
-    goto __pyx_L4;
-  }
+static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *__pyx_v_src, int __pyx_v_ndim) {
+  Py_ssize_t __pyx_v_shape;
+  Py_ssize_t __pyx_v_size;
+  Py_ssize_t __pyx_r;
+  Py_ssize_t __pyx_t_1;
+  Py_ssize_t *__pyx_t_2;
+  Py_ssize_t *__pyx_t_3;
+  Py_ssize_t *__pyx_t_4;
 
-  /* "View.MemoryView":1030
- *         result.flags = PyBUF_RECORDS
- *     else:
- *         result.flags = PyBUF_RECORDS_RO             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1176
+ * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) noexcept nogil:
+ *     "Return the size of the memory occupied by the slice in number of bytes"
+ *     cdef Py_ssize_t shape, size = src.memview.view.itemsize             # <<<<<<<<<<<<<<
  * 
- *     result.view.shape = <Py_ssize_t *> result.from_slice.shape
+ *     for shape in src.shape[:ndim]:
  */
-  /*else*/ {
-    __pyx_v_result->__pyx_base.flags = PyBUF_RECORDS_RO;
-  }
-  __pyx_L4:;
+  __pyx_t_1 = __pyx_v_src->memview->view.itemsize;
+  __pyx_v_size = __pyx_t_1;
 
-  /* "View.MemoryView":1032
- *         result.flags = PyBUF_RECORDS_RO
+  /* "View.MemoryView":1178
+ *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
  * 
- *     result.view.shape = <Py_ssize_t *> result.from_slice.shape             # <<<<<<<<<<<<<<
- *     result.view.strides = <Py_ssize_t *> result.from_slice.strides
+ *     for shape in src.shape[:ndim]:             # <<<<<<<<<<<<<<
+ *         size *= shape
  * 
  */
-  __pyx_v_result->__pyx_base.view.shape = ((Py_ssize_t *)__pyx_v_result->from_slice.shape);
+  __pyx_t_3 = (__pyx_v_src->shape + __pyx_v_ndim);
+  for (__pyx_t_4 = __pyx_v_src->shape; __pyx_t_4 < __pyx_t_3; __pyx_t_4++) {
+    __pyx_t_2 = __pyx_t_4;
+    __pyx_v_shape = (__pyx_t_2[0]);
 
-  /* "View.MemoryView":1033
- * 
- *     result.view.shape = <Py_ssize_t *> result.from_slice.shape
- *     result.view.strides = <Py_ssize_t *> result.from_slice.strides             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":1179
  * 
+ *     for shape in src.shape[:ndim]:
+ *         size *= shape             # <<<<<<<<<<<<<<
  * 
+ *     return size
  */
-  __pyx_v_result->__pyx_base.view.strides = ((Py_ssize_t *)__pyx_v_result->from_slice.strides);
+    __pyx_v_size = (__pyx_v_size * __pyx_v_shape);
+  }
 
-  /* "View.MemoryView":1036
+  /* "View.MemoryView":1181
+ *         size *= shape
  * 
+ *     return size             # <<<<<<<<<<<<<<
  * 
- *     result.view.suboffsets = NULL             # <<<<<<<<<<<<<<
- *     for suboffset in result.from_slice.suboffsets[:ndim]:
- *         if suboffset >= 0:
+ * @cname('__pyx_fill_contig_strides_array')
  */
-  __pyx_v_result->__pyx_base.view.suboffsets = NULL;
+  __pyx_r = __pyx_v_size;
+  goto __pyx_L0;
 
-  /* "View.MemoryView":1037
+  /* "View.MemoryView":1174
  * 
- *     result.view.suboffsets = NULL
- *     for suboffset in result.from_slice.suboffsets[:ndim]:             # <<<<<<<<<<<<<<
- *         if suboffset >= 0:
- *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets
+ * @cname('__pyx_memoryview_slice_get_size')
+ * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) noexcept nogil:             # <<<<<<<<<<<<<<
+ *     "Return the size of the memory occupied by the slice in number of bytes"
+ *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
  */
-  __pyx_t_7 = (__pyx_v_result->from_slice.suboffsets + __pyx_v_ndim);
-  for (__pyx_t_8 = __pyx_v_result->from_slice.suboffsets; __pyx_t_8 < __pyx_t_7; __pyx_t_8++) {
-    __pyx_t_6 = __pyx_t_8;
-    __pyx_v_suboffset = (__pyx_t_6[0]);
 
-    /* "View.MemoryView":1038
- *     result.view.suboffsets = NULL
- *     for suboffset in result.from_slice.suboffsets[:ndim]:
- *         if suboffset >= 0:             # <<<<<<<<<<<<<<
- *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets
- *             break
- */
-    __pyx_t_1 = ((__pyx_v_suboffset >= 0) != 0);
-    if (__pyx_t_1) {
+  /* function exit code */
+  __pyx_L0:;
+  return __pyx_r;
+}
 
-      /* "View.MemoryView":1039
- *     for suboffset in result.from_slice.suboffsets[:ndim]:
- *         if suboffset >= 0:
- *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets             # <<<<<<<<<<<<<<
- *             break
+/* "View.MemoryView":1184
  * 
+ * @cname('__pyx_fill_contig_strides_array')
+ * cdef Py_ssize_t fill_contig_strides_array(             # <<<<<<<<<<<<<<
+ *                 Py_ssize_t *shape, Py_ssize_t *strides, Py_ssize_t stride,
+ *                 int ndim, char order) noexcept nogil:
  */
-      __pyx_v_result->__pyx_base.view.suboffsets = ((Py_ssize_t *)__pyx_v_result->from_slice.suboffsets);
 
-      /* "View.MemoryView":1040
- *         if suboffset >= 0:
- *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets
- *             break             # <<<<<<<<<<<<<<
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- *     for length in result.view.shape[:ndim]:
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- *     for length in result.view.shape[:ndim]:             # <<<<<<<<<<<<<<
- *         result.view.len *= length
- * 
+      /* "View.MemoryView":1196
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+    /* "View.MemoryView":1193
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- *     result.to_object_func = to_object_func
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+ *         for idx in range(ndim):
+ *             strides[idx] = stride
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-    __pyx_t_2 = PyInt_FromSsize_t(__pyx_v_result->__pyx_base.view.len); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1044, __pyx_L1_error)
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-  /* "View.MemoryView":1046
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- * 
- *     result.to_object_func = to_object_func             # <<<<<<<<<<<<<<
- *     result.to_dtype_func = to_dtype_func
- * 
+  /* "View.MemoryView":1198
+ *             stride *= shape[idx]
+ *     else:
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-  __pyx_v_result->to_object_func = __pyx_v_to_object_func;
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-  /* "View.MemoryView":1047
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- *     result.to_dtype_func = to_dtype_func             # <<<<<<<<<<<<<<
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+ *         for idx in range(ndim - 1, -1, -1):
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+ *             stride *= shape[idx]             # <<<<<<<<<<<<<<
  * 
- *     return result
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-  __pyx_v_result->to_dtype_func = __pyx_v_to_dtype_func;
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+  /* "View.MemoryView":1202
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  * 
- *     return result             # <<<<<<<<<<<<<<
+ *     return stride             # <<<<<<<<<<<<<<
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- * @cname('__pyx_memoryview_get_slice_from_memoryview')
+ * @cname('__pyx_memoryview_copy_data_to_temp')
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-  __Pyx_XDECREF(__pyx_r);
-  __Pyx_INCREF(((PyObject *)__pyx_v_result));
-  __pyx_r = ((PyObject *)__pyx_v_result);
+  __pyx_r = __pyx_v_stride;
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-  /* "View.MemoryView":999
+  /* "View.MemoryView":1184
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- *                           int ndim,
- *                           object (*to_object_func)(char *),
+ * @cname('__pyx_fill_contig_strides_array')
+ * cdef Py_ssize_t fill_contig_strides_array(             # <<<<<<<<<<<<<<
+ *                 Py_ssize_t *shape, Py_ssize_t *strides, Py_ssize_t stride,
+ *                 int ndim, char order) noexcept nogil:
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- *                                                    __Pyx_memviewslice *mslice) except NULL:
- *     cdef _memoryviewslice obj
+ * @cname('__pyx_memoryview_copy_data_to_temp')
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-static __Pyx_memviewslice *__pyx_memoryview_get_slice_from_memoryview(struct __pyx_memoryview_obj *__pyx_v_memview, __Pyx_memviewslice *__pyx_v_mslice) {
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-  __Pyx_RefNannyDeclarations
-  int __pyx_t_1;
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+  int __pyx_v_i;
+  void *__pyx_v_result;
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+  Py_ssize_t __pyx_t_1;
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-  PyObject *__pyx_t_3 = NULL;
+  int __pyx_t_3;
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+  int __pyx_t_5;
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- *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
- *         obj = memview
- *         return &obj.from_slice
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+ *     cdef void *result
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+ *     cdef size_t itemsize = src.memview.view.itemsize             # <<<<<<<<<<<<<<
+ *     cdef size_t size = slice_get_size(src, ndim)
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-  __pyx_t_1 = __Pyx_TypeCheck(((PyObject *)__pyx_v_memview), __pyx_memoryviewslice_type); 
-  __pyx_t_2 = (__pyx_t_1 != 0);
-  if (__pyx_t_2) {
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-    /* "View.MemoryView":1056
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- *     if isinstance(memview, _memoryviewslice):
- *         obj = memview             # <<<<<<<<<<<<<<
- *         return &obj.from_slice
- *     else:
+  /* "View.MemoryView":1217
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+ *     cdef size_t itemsize = src.memview.view.itemsize
+ *     cdef size_t size = slice_get_size(src, ndim)             # <<<<<<<<<<<<<<
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-    if (!(likely(((((PyObject *)__pyx_v_memview)) == Py_None) || likely(__Pyx_TypeTest(((PyObject *)__pyx_v_memview), __pyx_memoryviewslice_type))))) __PYX_ERR(1, 1056, __pyx_L1_error)
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-    /* "View.MemoryView":1057
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- *         return &obj.from_slice             # <<<<<<<<<<<<<<
- *     else:
- *         slice_copy(memview, mslice)
+  /* "View.MemoryView":1219
+ *     cdef size_t size = slice_get_size(src, ndim)
+ * 
+ *     result = malloc(size)             # <<<<<<<<<<<<<<
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+ *         _err_no_memory()
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- *         obj = memview
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+  /* "View.MemoryView":1220
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+ *     result = malloc(size)
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+ *         _err_no_memory()
+ * 
  */
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+  __pyx_t_2 = (!(__pyx_v_result != 0));
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-  /* "View.MemoryView":1059
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- *         slice_copy(memview, mslice)             # <<<<<<<<<<<<<<
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+    /* "View.MemoryView":1221
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  * 
  */
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-    /* "View.MemoryView":1060
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+    /* "View.MemoryView":1220
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+ *     result = malloc(size)
+ *     if not result:             # <<<<<<<<<<<<<<
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  */
-    __pyx_r = __pyx_v_mslice;
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-  /* "View.MemoryView":1052
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- *                                                    __Pyx_memviewslice *mslice) except NULL:
- *     cdef _memoryviewslice obj
+ * 
+ *     tmpslice.data = <char *> result             # <<<<<<<<<<<<<<
+ *     tmpslice.memview = src.memview
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  */
+  __pyx_v_tmpslice->data = ((char *)__pyx_v_result);
 
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-/* "View.MemoryView":1063
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- * cdef void slice_copy(memoryview memview, __Pyx_memviewslice *dst):             # <<<<<<<<<<<<<<
- *     cdef int dim
- *     cdef (Py_ssize_t*) shape, strides, suboffsets
+ *     tmpslice.data = <char *> result
+ *     tmpslice.memview = src.memview             # <<<<<<<<<<<<<<
+ *     for i in range(ndim):
+ *         tmpslice.shape[i] = src.shape[i]
  */
+  __pyx_t_4 = __pyx_v_src->memview;
+  __pyx_v_tmpslice->memview = __pyx_t_4;
 
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- *     strides = memview.view.strides
- *     suboffsets = memview.view.suboffsets
+  /* "View.MemoryView":1226
+ *     tmpslice.data = <char *> result
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+ *     for i in range(ndim):             # <<<<<<<<<<<<<<
+ *         tmpslice.shape[i] = src.shape[i]
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-  __pyx_t_1 = __pyx_v_memview->view.shape;
-  __pyx_v_shape = __pyx_t_1;
+  __pyx_t_3 = __pyx_v_ndim;
+  __pyx_t_5 = __pyx_t_3;
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- *     strides = memview.view.strides             # <<<<<<<<<<<<<<
- *     suboffsets = memview.view.suboffsets
+    /* "View.MemoryView":1227
+ *     tmpslice.memview = src.memview
+ *     for i in range(ndim):
+ *         tmpslice.shape[i] = src.shape[i]             # <<<<<<<<<<<<<<
+ *         tmpslice.suboffsets[i] = -1
  * 
  */
-  __pyx_t_1 = __pyx_v_memview->view.strides;
-  __pyx_v_strides = __pyx_t_1;
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- *     suboffsets = memview.view.suboffsets             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":1228
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+ *         tmpslice.shape[i] = src.shape[i]
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  */
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-  /* "View.MemoryView":1072
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  * 
- *     for dim in range(memview.view.ndim):
+ *     for i in range(ndim):             # <<<<<<<<<<<<<<
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+  __pyx_t_3 = __pyx_v_ndim;
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-    /* "View.MemoryView":1075
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-  __pyx_t_1 = ((__pyx_v_arg < 0) != 0);
-  if (__pyx_t_1) {
+  __Pyx_Raise(((PyObject *)__pyx_v_error), __pyx_v_msg, 0, 0);
+  __PYX_ERR(1, 1257, __pyx_L1_error)
 
-    /* "View.MemoryView":1111
- * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:
- *     if arg < 0:
- *         return -arg             # <<<<<<<<<<<<<<
- *     else:
- *         return arg
+  /* "View.MemoryView":1256
+ * 
+ * @cname('__pyx_memoryview_err')
+ * cdef int _err(PyObject *error, str msg) except -1 with gil:             # <<<<<<<<<<<<<<
+ *     raise <object>error, msg
+ * 
  */
-    __pyx_r = (-__pyx_v_arg);
-    goto __pyx_L0;
 
-    /* "View.MemoryView":1110
+  /* function exit code */
+  __pyx_L1_error:;
+  __Pyx_AddTraceback("View.MemoryView._err", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
+  __Pyx_XDECREF(__pyx_v_msg);
+  __Pyx_RefNannyFinishContext();
+  #ifdef WITH_THREAD
+  __Pyx_PyGILState_Release(__pyx_gilstate_save);
+  #endif
+  return __pyx_r;
+}
+
+/* "View.MemoryView":1260
+ * 
+ * @cname('__pyx_memoryview_err_no_memory')
+ * cdef int _err_no_memory() except -1 with gil:             # <<<<<<<<<<<<<<
+ *     raise MemoryError
  * 
- * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:
- *     if arg < 0:             # <<<<<<<<<<<<<<
- *         return -arg
- *     else:
  */
-  }
 
-  /* "View.MemoryView":1113
- *         return -arg
- *     else:
- *         return arg             # <<<<<<<<<<<<<<
+static int __pyx_memoryview_err_no_memory(void) {
+  int __pyx_r;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  #ifdef WITH_THREAD
+  PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
+  #endif
+
+  /* "View.MemoryView":1261
+ * @cname('__pyx_memoryview_err_no_memory')
+ * cdef int _err_no_memory() except -1 with gil:
+ *     raise MemoryError             # <<<<<<<<<<<<<<
+ * 
  * 
- * @cname('__pyx_get_best_slice_order')
  */
-  /*else*/ {
-    __pyx_r = __pyx_v_arg;
-    goto __pyx_L0;
-  }
+  PyErr_NoMemory(); __PYX_ERR(1, 1261, __pyx_L1_error)
 
-  /* "View.MemoryView":1109
+  /* "View.MemoryView":1260
  * 
+ * @cname('__pyx_memoryview_err_no_memory')
+ * cdef int _err_no_memory() except -1 with gil:             # <<<<<<<<<<<<<<
+ *     raise MemoryError
  * 
- * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:             # <<<<<<<<<<<<<<
- *     if arg < 0:
- *         return -arg
  */
 
   /* function exit code */
-  __pyx_L0:;
+  __pyx_L1_error:;
+  __Pyx_AddTraceback("View.MemoryView._err_no_memory", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
+  #ifdef WITH_THREAD
+  __Pyx_PyGILState_Release(__pyx_gilstate_save);
+  #endif
   return __pyx_r;
 }
 
-/* "View.MemoryView":1116
+/* "View.MemoryView":1265
  * 
- * @cname('__pyx_get_best_slice_order')
- * cdef char get_best_order(__Pyx_memviewslice *mslice, int ndim) nogil:             # <<<<<<<<<<<<<<
- *     """
- *     Figure out the best memory access order for a given slice.
+ * @cname('__pyx_memoryview_copy_contents')
+ * cdef int memoryview_copy_contents(__Pyx_memviewslice src,             # <<<<<<<<<<<<<<
+ *                                   __Pyx_memviewslice dst,
+ *                                   int src_ndim, int dst_ndim,
  */
 
-static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int __pyx_v_ndim) {
+static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_memviewslice __pyx_v_dst, int __pyx_v_src_ndim, int __pyx_v_dst_ndim, int __pyx_v_dtype_is_object) {
+  void *__pyx_v_tmpdata;
+  size_t __pyx_v_itemsize;
   int __pyx_v_i;
-  Py_ssize_t __pyx_v_c_stride;
-  Py_ssize_t __pyx_v_f_stride;
-  char __pyx_r;
-  int __pyx_t_1;
+  char __pyx_v_order;
+  int __pyx_v_broadcasting;
+  int __pyx_v_direct_copy;
+  __Pyx_memviewslice __pyx_v_tmp;
+  int __pyx_v_ndim;
+  int __pyx_r;
+  Py_ssize_t __pyx_t_1;
   int __pyx_t_2;
   int __pyx_t_3;
   int __pyx_t_4;
+  int __pyx_t_5;
+  int __pyx_t_6;
+  void *__pyx_t_7;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  #ifdef WITH_THREAD
+  PyGILState_STATE __pyx_gilstate_save;
+  #endif
 
-  /* "View.MemoryView":1121
+  /* "View.MemoryView":1273
+ *     Check for overlapping memory and verify the shapes.
  *     """
+ *     cdef void *tmpdata = NULL             # <<<<<<<<<<<<<<
+ *     cdef size_t itemsize = src.memview.view.itemsize
  *     cdef int i
- *     cdef Py_ssize_t c_stride = 0             # <<<<<<<<<<<<<<
- *     cdef Py_ssize_t f_stride = 0
- * 
  */
-  __pyx_v_c_stride = 0;
+  __pyx_v_tmpdata = NULL;
 
-  /* "View.MemoryView":1122
+  /* "View.MemoryView":1274
+ *     """
+ *     cdef void *tmpdata = NULL
+ *     cdef size_t itemsize = src.memview.view.itemsize             # <<<<<<<<<<<<<<
  *     cdef int i
- *     cdef Py_ssize_t c_stride = 0
- *     cdef Py_ssize_t f_stride = 0             # <<<<<<<<<<<<<<
- * 
- *     for i in range(ndim - 1, -1, -1):
- */
-  __pyx_v_f_stride = 0;
-
-  /* "View.MemoryView":1124
- *     cdef Py_ssize_t f_stride = 0
- * 
- *     for i in range(ndim - 1, -1, -1):             # <<<<<<<<<<<<<<
- *         if mslice.shape[i] > 1:
- *             c_stride = mslice.strides[i]
+ *     cdef char order = get_best_order(&src, src_ndim)
  */
-  for (__pyx_t_1 = (__pyx_v_ndim - 1); __pyx_t_1 > -1; __pyx_t_1-=1) {
-    __pyx_v_i = __pyx_t_1;
+  __pyx_t_1 = __pyx_v_src.memview->view.itemsize;
+  __pyx_v_itemsize = __pyx_t_1;
 
-    /* "View.MemoryView":1125
- * 
- *     for i in range(ndim - 1, -1, -1):
- *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
- *             c_stride = mslice.strides[i]
- *             break
+  /* "View.MemoryView":1276
+ *     cdef size_t itemsize = src.memview.view.itemsize
+ *     cdef int i
+ *     cdef char order = get_best_order(&src, src_ndim)             # <<<<<<<<<<<<<<
+ *     cdef bint broadcasting = False
+ *     cdef bint direct_copy = False
  */
-    __pyx_t_2 = (((__pyx_v_mslice->shape[__pyx_v_i]) > 1) != 0);
-    if (__pyx_t_2) {
+  __pyx_v_order = __pyx_get_best_slice_order((&__pyx_v_src), __pyx_v_src_ndim);
 
-      /* "View.MemoryView":1126
- *     for i in range(ndim - 1, -1, -1):
- *         if mslice.shape[i] > 1:
- *             c_stride = mslice.strides[i]             # <<<<<<<<<<<<<<
- *             break
- * 
+  /* "View.MemoryView":1277
+ *     cdef int i
+ *     cdef char order = get_best_order(&src, src_ndim)
+ *     cdef bint broadcasting = False             # <<<<<<<<<<<<<<
+ *     cdef bint direct_copy = False
+ *     cdef __Pyx_memviewslice tmp
  */
-      __pyx_v_c_stride = (__pyx_v_mslice->strides[__pyx_v_i]);
+  __pyx_v_broadcasting = 0;
 
-      /* "View.MemoryView":1127
- *         if mslice.shape[i] > 1:
- *             c_stride = mslice.strides[i]
- *             break             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1278
+ *     cdef char order = get_best_order(&src, src_ndim)
+ *     cdef bint broadcasting = False
+ *     cdef bint direct_copy = False             # <<<<<<<<<<<<<<
+ *     cdef __Pyx_memviewslice tmp
  * 
- *     for i in range(ndim):
  */
-      goto __pyx_L4_break;
+  __pyx_v_direct_copy = 0;
 
-      /* "View.MemoryView":1125
+  /* "View.MemoryView":1281
+ *     cdef __Pyx_memviewslice tmp
  * 
- *     for i in range(ndim - 1, -1, -1):
- *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
- *             c_stride = mslice.strides[i]
- *             break
+ *     if src_ndim < dst_ndim:             # <<<<<<<<<<<<<<
+ *         broadcast_leading(&src, src_ndim, dst_ndim)
+ *     elif dst_ndim < src_ndim:
  */
-    }
-  }
-  __pyx_L4_break:;
+  __pyx_t_2 = (__pyx_v_src_ndim < __pyx_v_dst_ndim);
+  if (__pyx_t_2) {
 
-  /* "View.MemoryView":1129
- *             break
+    /* "View.MemoryView":1282
  * 
- *     for i in range(ndim):             # <<<<<<<<<<<<<<
- *         if mslice.shape[i] > 1:
- *             f_stride = mslice.strides[i]
+ *     if src_ndim < dst_ndim:
+ *         broadcast_leading(&src, src_ndim, dst_ndim)             # <<<<<<<<<<<<<<
+ *     elif dst_ndim < src_ndim:
+ *         broadcast_leading(&dst, dst_ndim, src_ndim)
  */
-  __pyx_t_1 = __pyx_v_ndim;
-  __pyx_t_3 = __pyx_t_1;
-  for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
-    __pyx_v_i = __pyx_t_4;
+    __pyx_memoryview_broadcast_leading((&__pyx_v_src), __pyx_v_src_ndim, __pyx_v_dst_ndim);
 
-    /* "View.MemoryView":1130
+    /* "View.MemoryView":1281
+ *     cdef __Pyx_memviewslice tmp
  * 
- *     for i in range(ndim):
- *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
- *             f_stride = mslice.strides[i]
- *             break
+ *     if src_ndim < dst_ndim:             # <<<<<<<<<<<<<<
+ *         broadcast_leading(&src, src_ndim, dst_ndim)
+ *     elif dst_ndim < src_ndim:
  */
-    __pyx_t_2 = (((__pyx_v_mslice->shape[__pyx_v_i]) > 1) != 0);
-    if (__pyx_t_2) {
+    goto __pyx_L3;
+  }
 
-      /* "View.MemoryView":1131
- *     for i in range(ndim):
- *         if mslice.shape[i] > 1:
- *             f_stride = mslice.strides[i]             # <<<<<<<<<<<<<<
- *             break
+  /* "View.MemoryView":1283
+ *     if src_ndim < dst_ndim:
+ *         broadcast_leading(&src, src_ndim, dst_ndim)
+ *     elif dst_ndim < src_ndim:             # <<<<<<<<<<<<<<
+ *         broadcast_leading(&dst, dst_ndim, src_ndim)
  * 
  */
-      __pyx_v_f_stride = (__pyx_v_mslice->strides[__pyx_v_i]);
+  __pyx_t_2 = (__pyx_v_dst_ndim < __pyx_v_src_ndim);
+  if (__pyx_t_2) {
 
-      /* "View.MemoryView":1132
- *         if mslice.shape[i] > 1:
- *             f_stride = mslice.strides[i]
- *             break             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":1284
+ *         broadcast_leading(&src, src_ndim, dst_ndim)
+ *     elif dst_ndim < src_ndim:
+ *         broadcast_leading(&dst, dst_ndim, src_ndim)             # <<<<<<<<<<<<<<
  * 
- *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):
+ *     cdef int ndim = max(src_ndim, dst_ndim)
  */
-      goto __pyx_L7_break;
+    __pyx_memoryview_broadcast_leading((&__pyx_v_dst), __pyx_v_dst_ndim, __pyx_v_src_ndim);
 
-      /* "View.MemoryView":1130
+    /* "View.MemoryView":1283
+ *     if src_ndim < dst_ndim:
+ *         broadcast_leading(&src, src_ndim, dst_ndim)
+ *     elif dst_ndim < src_ndim:             # <<<<<<<<<<<<<<
+ *         broadcast_leading(&dst, dst_ndim, src_ndim)
  * 
- *     for i in range(ndim):
- *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
- *             f_stride = mslice.strides[i]
- *             break
  */
-    }
   }
-  __pyx_L7_break:;
+  __pyx_L3:;
 
-  /* "View.MemoryView":1134
- *             break
+  /* "View.MemoryView":1286
+ *         broadcast_leading(&dst, dst_ndim, src_ndim)
  * 
- *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):             # <<<<<<<<<<<<<<
- *         return 'C'
- *     else:
+ *     cdef int ndim = max(src_ndim, dst_ndim)             # <<<<<<<<<<<<<<
+ * 
+ *     for i in range(ndim):
  */
-  __pyx_t_2 = ((abs_py_ssize_t(__pyx_v_c_stride) <= abs_py_ssize_t(__pyx_v_f_stride)) != 0);
+  __pyx_t_3 = __pyx_v_dst_ndim;
+  __pyx_t_4 = __pyx_v_src_ndim;
+  __pyx_t_2 = (__pyx_t_3 > __pyx_t_4);
   if (__pyx_t_2) {
+    __pyx_t_5 = __pyx_t_3;
+  } else {
+    __pyx_t_5 = __pyx_t_4;
+  }
+  __pyx_v_ndim = __pyx_t_5;
 
-    /* "View.MemoryView":1135
+  /* "View.MemoryView":1288
+ *     cdef int ndim = max(src_ndim, dst_ndim)
  * 
- *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):
- *         return 'C'             # <<<<<<<<<<<<<<
- *     else:
- *         return 'F'
+ *     for i in range(ndim):             # <<<<<<<<<<<<<<
+ *         if src.shape[i] != dst.shape[i]:
+ *             if src.shape[i] == 1:
  */
-    __pyx_r = 'C';
-    goto __pyx_L0;
+  __pyx_t_5 = __pyx_v_ndim;
+  __pyx_t_3 = __pyx_t_5;
+  for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
+    __pyx_v_i = __pyx_t_4;
 
-    /* "View.MemoryView":1134
- *             break
+    /* "View.MemoryView":1289
  * 
- *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):             # <<<<<<<<<<<<<<
- *         return 'C'
- *     else:
+ *     for i in range(ndim):
+ *         if src.shape[i] != dst.shape[i]:             # <<<<<<<<<<<<<<
+ *             if src.shape[i] == 1:
+ *                 broadcasting = True
  */
-  }
+    __pyx_t_2 = ((__pyx_v_src.shape[__pyx_v_i]) != (__pyx_v_dst.shape[__pyx_v_i]));
+    if (__pyx_t_2) {
 
-  /* "View.MemoryView":1137
- *         return 'C'
- *     else:
- *         return 'F'             # <<<<<<<<<<<<<<
- * 
- * @cython.cdivision(True)
+      /* "View.MemoryView":1290
+ *     for i in range(ndim):
+ *         if src.shape[i] != dst.shape[i]:
+ *             if src.shape[i] == 1:             # <<<<<<<<<<<<<<
+ *                 broadcasting = True
+ *                 src.strides[i] = 0
  */
-  /*else*/ {
-    __pyx_r = 'F';
-    goto __pyx_L0;
-  }
+      __pyx_t_2 = ((__pyx_v_src.shape[__pyx_v_i]) == 1);
+      if (__pyx_t_2) {
 
-  /* "View.MemoryView":1116
- * 
- * @cname('__pyx_get_best_slice_order')
- * cdef char get_best_order(__Pyx_memviewslice *mslice, int ndim) nogil:             # <<<<<<<<<<<<<<
- *     """
- *     Figure out the best memory access order for a given slice.
+        /* "View.MemoryView":1291
+ *         if src.shape[i] != dst.shape[i]:
+ *             if src.shape[i] == 1:
+ *                 broadcasting = True             # <<<<<<<<<<<<<<
+ *                 src.strides[i] = 0
+ *             else:
  */
+        __pyx_v_broadcasting = 1;
 
-  /* function exit code */
-  __pyx_L0:;
-  return __pyx_r;
-}
-
-/* "View.MemoryView":1140
- * 
- * @cython.cdivision(True)
- * cdef void _copy_strided_to_strided(char *src_data, Py_ssize_t *src_strides,             # <<<<<<<<<<<<<<
- *                                    char *dst_data, Py_ssize_t *dst_strides,
- *                                    Py_ssize_t *src_shape, Py_ssize_t *dst_shape,
+        /* "View.MemoryView":1292
+ *             if src.shape[i] == 1:
+ *                 broadcasting = True
+ *                 src.strides[i] = 0             # <<<<<<<<<<<<<<
+ *             else:
+ *                 _err_extents(i, dst.shape[i], src.shape[i])
  */
+        (__pyx_v_src.strides[__pyx_v_i]) = 0;
 
-static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v_src_strides, char *__pyx_v_dst_data, Py_ssize_t *__pyx_v_dst_strides, Py_ssize_t *__pyx_v_src_shape, Py_ssize_t *__pyx_v_dst_shape, int __pyx_v_ndim, size_t __pyx_v_itemsize) {
-  CYTHON_UNUSED Py_ssize_t __pyx_v_i;
-  CYTHON_UNUSED Py_ssize_t __pyx_v_src_extent;
-  Py_ssize_t __pyx_v_dst_extent;
-  Py_ssize_t __pyx_v_src_stride;
-  Py_ssize_t __pyx_v_dst_stride;
-  int __pyx_t_1;
-  int __pyx_t_2;
-  int __pyx_t_3;
-  Py_ssize_t __pyx_t_4;
-  Py_ssize_t __pyx_t_5;
-  Py_ssize_t __pyx_t_6;
+        /* "View.MemoryView":1290
+ *     for i in range(ndim):
+ *         if src.shape[i] != dst.shape[i]:
+ *             if src.shape[i] == 1:             # <<<<<<<<<<<<<<
+ *                 broadcasting = True
+ *                 src.strides[i] = 0
+ */
+        goto __pyx_L7;
+      }
 
-  /* "View.MemoryView":1147
+      /* "View.MemoryView":1294
+ *                 src.strides[i] = 0
+ *             else:
+ *                 _err_extents(i, dst.shape[i], src.shape[i])             # <<<<<<<<<<<<<<
  * 
- *     cdef Py_ssize_t i
- *     cdef Py_ssize_t src_extent = src_shape[0]             # <<<<<<<<<<<<<<
- *     cdef Py_ssize_t dst_extent = dst_shape[0]
- *     cdef Py_ssize_t src_stride = src_strides[0]
+ *         if src.suboffsets[i] >= 0:
  */
-  __pyx_v_src_extent = (__pyx_v_src_shape[0]);
+      /*else*/ {
+        __pyx_t_6 = __pyx_memoryview_err_extents(__pyx_v_i, (__pyx_v_dst.shape[__pyx_v_i]), (__pyx_v_src.shape[__pyx_v_i])); if (unlikely(__pyx_t_6 == ((int)-1))) __PYX_ERR(1, 1294, __pyx_L1_error)
+      }
+      __pyx_L7:;
 
-  /* "View.MemoryView":1148
- *     cdef Py_ssize_t i
- *     cdef Py_ssize_t src_extent = src_shape[0]
- *     cdef Py_ssize_t dst_extent = dst_shape[0]             # <<<<<<<<<<<<<<
- *     cdef Py_ssize_t src_stride = src_strides[0]
- *     cdef Py_ssize_t dst_stride = dst_strides[0]
+      /* "View.MemoryView":1289
+ * 
+ *     for i in range(ndim):
+ *         if src.shape[i] != dst.shape[i]:             # <<<<<<<<<<<<<<
+ *             if src.shape[i] == 1:
+ *                 broadcasting = True
  */
-  __pyx_v_dst_extent = (__pyx_v_dst_shape[0]);
+    }
 
-  /* "View.MemoryView":1149
- *     cdef Py_ssize_t src_extent = src_shape[0]
- *     cdef Py_ssize_t dst_extent = dst_shape[0]
- *     cdef Py_ssize_t src_stride = src_strides[0]             # <<<<<<<<<<<<<<
- *     cdef Py_ssize_t dst_stride = dst_strides[0]
+    /* "View.MemoryView":1296
+ *                 _err_extents(i, dst.shape[i], src.shape[i])
+ * 
+ *         if src.suboffsets[i] >= 0:             # <<<<<<<<<<<<<<
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)
  * 
  */
-  __pyx_v_src_stride = (__pyx_v_src_strides[0]);
+    __pyx_t_2 = ((__pyx_v_src.suboffsets[__pyx_v_i]) >= 0);
+    if (__pyx_t_2) {
 
-  /* "View.MemoryView":1150
- *     cdef Py_ssize_t dst_extent = dst_shape[0]
- *     cdef Py_ssize_t src_stride = src_strides[0]
- *     cdef Py_ssize_t dst_stride = dst_strides[0]             # <<<<<<<<<<<<<<
+      /* "View.MemoryView":1297
  * 
- *     if ndim == 1:
+ *         if src.suboffsets[i] >= 0:
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)             # <<<<<<<<<<<<<<
+ * 
+ *     if slices_overlap(&src, &dst, ndim, itemsize):
  */
-  __pyx_v_dst_stride = (__pyx_v_dst_strides[0]);
+      __pyx_t_6 = __pyx_memoryview_err_dim(PyExc_ValueError, __pyx_kp_s_Dimension_d_is_not_direct, __pyx_v_i); if (unlikely(__pyx_t_6 == ((int)-1))) __PYX_ERR(1, 1297, __pyx_L1_error)
 
-  /* "View.MemoryView":1152
- *     cdef Py_ssize_t dst_stride = dst_strides[0]
+      /* "View.MemoryView":1296
+ *                 _err_extents(i, dst.shape[i], src.shape[i])
+ * 
+ *         if src.suboffsets[i] >= 0:             # <<<<<<<<<<<<<<
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)
  * 
- *     if ndim == 1:             # <<<<<<<<<<<<<<
- *        if (src_stride > 0 and dst_stride > 0 and
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
  */
-  __pyx_t_1 = ((__pyx_v_ndim == 1) != 0);
-  if (__pyx_t_1) {
+    }
+  }
 
-    /* "View.MemoryView":1153
+  /* "View.MemoryView":1299
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)
  * 
- *     if ndim == 1:
- *        if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
+ *     if slices_overlap(&src, &dst, ndim, itemsize):             # <<<<<<<<<<<<<<
+ * 
+ *         if not slice_is_contig(src, order, ndim):
  */
-    __pyx_t_2 = ((__pyx_v_src_stride > 0) != 0);
-    if (__pyx_t_2) {
-    } else {
-      __pyx_t_1 = __pyx_t_2;
-      goto __pyx_L5_bool_binop_done;
-    }
-    __pyx_t_2 = ((__pyx_v_dst_stride > 0) != 0);
-    if (__pyx_t_2) {
-    } else {
-      __pyx_t_1 = __pyx_t_2;
-      goto __pyx_L5_bool_binop_done;
-    }
+  __pyx_t_2 = __pyx_slices_overlap((&__pyx_v_src), (&__pyx_v_dst), __pyx_v_ndim, __pyx_v_itemsize);
+  if (__pyx_t_2) {
 
-    /* "View.MemoryView":1154
- *     if ndim == 1:
- *        if (src_stride > 0 and dst_stride > 0 and
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):             # <<<<<<<<<<<<<<
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
- *        else:
+    /* "View.MemoryView":1301
+ *     if slices_overlap(&src, &dst, ndim, itemsize):
+ * 
+ *         if not slice_is_contig(src, order, ndim):             # <<<<<<<<<<<<<<
+ *             order = get_best_order(&dst, ndim)
+ * 
  */
-    __pyx_t_2 = (((size_t)__pyx_v_src_stride) == __pyx_v_itemsize);
+    __pyx_t_2 = (!__pyx_memviewslice_is_contig(__pyx_v_src, __pyx_v_order, __pyx_v_ndim));
     if (__pyx_t_2) {
-      __pyx_t_2 = (__pyx_v_itemsize == ((size_t)__pyx_v_dst_stride));
-    }
-    __pyx_t_3 = (__pyx_t_2 != 0);
-    __pyx_t_1 = __pyx_t_3;
-    __pyx_L5_bool_binop_done:;
 
-    /* "View.MemoryView":1153
+      /* "View.MemoryView":1302
  * 
- *     if ndim == 1:
- *        if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
- */
-    if (__pyx_t_1) {
-
-      /* "View.MemoryView":1155
- *        if (src_stride > 0 and dst_stride > 0 and
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
- *            memcpy(dst_data, src_data, itemsize * dst_extent)             # <<<<<<<<<<<<<<
- *        else:
- *            for i in range(dst_extent):
+ *         if not slice_is_contig(src, order, ndim):
+ *             order = get_best_order(&dst, ndim)             # <<<<<<<<<<<<<<
+ * 
+ *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)
  */
-      (void)(memcpy(__pyx_v_dst_data, __pyx_v_src_data, (__pyx_v_itemsize * __pyx_v_dst_extent)));
+      __pyx_v_order = __pyx_get_best_slice_order((&__pyx_v_dst), __pyx_v_ndim);
 
-      /* "View.MemoryView":1153
+      /* "View.MemoryView":1301
+ *     if slices_overlap(&src, &dst, ndim, itemsize):
+ * 
+ *         if not slice_is_contig(src, order, ndim):             # <<<<<<<<<<<<<<
+ *             order = get_best_order(&dst, ndim)
  * 
- *     if ndim == 1:
- *        if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
  */
-      goto __pyx_L4;
     }
 
-    /* "View.MemoryView":1157
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
- *        else:
- *            for i in range(dst_extent):             # <<<<<<<<<<<<<<
- *                memcpy(dst_data, src_data, itemsize)
- *                src_data += src_stride
- */
-    /*else*/ {
-      __pyx_t_4 = __pyx_v_dst_extent;
-      __pyx_t_5 = __pyx_t_4;
-      for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
-        __pyx_v_i = __pyx_t_6;
-
-        /* "View.MemoryView":1158
- *        else:
- *            for i in range(dst_extent):
- *                memcpy(dst_data, src_data, itemsize)             # <<<<<<<<<<<<<<
- *                src_data += src_stride
- *                dst_data += dst_stride
- */
-        (void)(memcpy(__pyx_v_dst_data, __pyx_v_src_data, __pyx_v_itemsize));
-
-        /* "View.MemoryView":1159
- *            for i in range(dst_extent):
- *                memcpy(dst_data, src_data, itemsize)
- *                src_data += src_stride             # <<<<<<<<<<<<<<
- *                dst_data += dst_stride
- *     else:
+    /* "View.MemoryView":1304
+ *             order = get_best_order(&dst, ndim)
+ * 
+ *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)             # <<<<<<<<<<<<<<
+ *         src = tmp
+ * 
  */
-        __pyx_v_src_data = (__pyx_v_src_data + __pyx_v_src_stride);
+    __pyx_t_7 = __pyx_memoryview_copy_data_to_temp((&__pyx_v_src), (&__pyx_v_tmp), __pyx_v_order, __pyx_v_ndim); if (unlikely(__pyx_t_7 == ((void *)NULL))) __PYX_ERR(1, 1304, __pyx_L1_error)
+    __pyx_v_tmpdata = __pyx_t_7;
 
-        /* "View.MemoryView":1160
- *                memcpy(dst_data, src_data, itemsize)
- *                src_data += src_stride
- *                dst_data += dst_stride             # <<<<<<<<<<<<<<
- *     else:
- *         for i in range(dst_extent):
+    /* "View.MemoryView":1305
+ * 
+ *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)
+ *         src = tmp             # <<<<<<<<<<<<<<
+ * 
+ *     if not broadcasting:
  */
-        __pyx_v_dst_data = (__pyx_v_dst_data + __pyx_v_dst_stride);
-      }
-    }
-    __pyx_L4:;
+    __pyx_v_src = __pyx_v_tmp;
 
-    /* "View.MemoryView":1152
- *     cdef Py_ssize_t dst_stride = dst_strides[0]
+    /* "View.MemoryView":1299
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)
  * 
- *     if ndim == 1:             # <<<<<<<<<<<<<<
- *        if (src_stride > 0 and dst_stride > 0 and
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *     if slices_overlap(&src, &dst, ndim, itemsize):             # <<<<<<<<<<<<<<
+ * 
+ *         if not slice_is_contig(src, order, ndim):
  */
-    goto __pyx_L3;
   }
 
-  /* "View.MemoryView":1162
- *                dst_data += dst_stride
- *     else:
- *         for i in range(dst_extent):             # <<<<<<<<<<<<<<
- *             _copy_strided_to_strided(src_data, src_strides + 1,
- *                                      dst_data, dst_strides + 1,
+  /* "View.MemoryView":1307
+ *         src = tmp
+ * 
+ *     if not broadcasting:             # <<<<<<<<<<<<<<
+ * 
+ * 
  */
-  /*else*/ {
-    __pyx_t_4 = __pyx_v_dst_extent;
-    __pyx_t_5 = __pyx_t_4;
-    for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
-      __pyx_v_i = __pyx_t_6;
+  __pyx_t_2 = (!__pyx_v_broadcasting);
+  if (__pyx_t_2) {
 
-      /* "View.MemoryView":1163
- *     else:
- *         for i in range(dst_extent):
- *             _copy_strided_to_strided(src_data, src_strides + 1,             # <<<<<<<<<<<<<<
- *                                      dst_data, dst_strides + 1,
- *                                      src_shape + 1, dst_shape + 1,
+    /* "View.MemoryView":1310
+ * 
+ * 
+ *         if slice_is_contig(src, 'C', ndim):             # <<<<<<<<<<<<<<
+ *             direct_copy = slice_is_contig(dst, 'C', ndim)
+ *         elif slice_is_contig(src, 'F', ndim):
  */
-      _copy_strided_to_strided(__pyx_v_src_data, (__pyx_v_src_strides + 1), __pyx_v_dst_data, (__pyx_v_dst_strides + 1), (__pyx_v_src_shape + 1), (__pyx_v_dst_shape + 1), (__pyx_v_ndim - 1), __pyx_v_itemsize);
+    __pyx_t_2 = __pyx_memviewslice_is_contig(__pyx_v_src, 'C', __pyx_v_ndim);
+    if (__pyx_t_2) {
 
-      /* "View.MemoryView":1167
- *                                      src_shape + 1, dst_shape + 1,
- *                                      ndim - 1, itemsize)
- *             src_data += src_stride             # <<<<<<<<<<<<<<
- *             dst_data += dst_stride
+      /* "View.MemoryView":1311
  * 
+ *         if slice_is_contig(src, 'C', ndim):
+ *             direct_copy = slice_is_contig(dst, 'C', ndim)             # <<<<<<<<<<<<<<
+ *         elif slice_is_contig(src, 'F', ndim):
+ *             direct_copy = slice_is_contig(dst, 'F', ndim)
  */
-      __pyx_v_src_data = (__pyx_v_src_data + __pyx_v_src_stride);
+      __pyx_v_direct_copy = __pyx_memviewslice_is_contig(__pyx_v_dst, 'C', __pyx_v_ndim);
 
-      /* "View.MemoryView":1168
- *                                      ndim - 1, itemsize)
- *             src_data += src_stride
- *             dst_data += dst_stride             # <<<<<<<<<<<<<<
+      /* "View.MemoryView":1310
  * 
- * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,
+ * 
+ *         if slice_is_contig(src, 'C', ndim):             # <<<<<<<<<<<<<<
+ *             direct_copy = slice_is_contig(dst, 'C', ndim)
+ *         elif slice_is_contig(src, 'F', ndim):
  */
-      __pyx_v_dst_data = (__pyx_v_dst_data + __pyx_v_dst_stride);
+      goto __pyx_L12;
     }
-  }
-  __pyx_L3:;
 
-  /* "View.MemoryView":1140
+    /* "View.MemoryView":1312
+ *         if slice_is_contig(src, 'C', ndim):
+ *             direct_copy = slice_is_contig(dst, 'C', ndim)
+ *         elif slice_is_contig(src, 'F', ndim):             # <<<<<<<<<<<<<<
+ *             direct_copy = slice_is_contig(dst, 'F', ndim)
  * 
- * @cython.cdivision(True)
- * cdef void _copy_strided_to_strided(char *src_data, Py_ssize_t *src_strides,             # <<<<<<<<<<<<<<
- *                                    char *dst_data, Py_ssize_t *dst_strides,
- *                                    Py_ssize_t *src_shape, Py_ssize_t *dst_shape,
  */
+    __pyx_t_2 = __pyx_memviewslice_is_contig(__pyx_v_src, 'F', __pyx_v_ndim);
+    if (__pyx_t_2) {
 
-  /* function exit code */
-}
+      /* "View.MemoryView":1313
+ *             direct_copy = slice_is_contig(dst, 'C', ndim)
+ *         elif slice_is_contig(src, 'F', ndim):
+ *             direct_copy = slice_is_contig(dst, 'F', ndim)             # <<<<<<<<<<<<<<
+ * 
+ *         if direct_copy:
+ */
+      __pyx_v_direct_copy = __pyx_memviewslice_is_contig(__pyx_v_dst, 'F', __pyx_v_ndim);
 
-/* "View.MemoryView":1170
- *             dst_data += dst_stride
+      /* "View.MemoryView":1312
+ *         if slice_is_contig(src, 'C', ndim):
+ *             direct_copy = slice_is_contig(dst, 'C', ndim)
+ *         elif slice_is_contig(src, 'F', ndim):             # <<<<<<<<<<<<<<
+ *             direct_copy = slice_is_contig(dst, 'F', ndim)
  * 
- * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
- *                                   __Pyx_memviewslice *dst,
- *                                   int ndim, size_t itemsize) nogil:
  */
+    }
+    __pyx_L12:;
 
-static void copy_strided_to_strided(__Pyx_memviewslice *__pyx_v_src, __Pyx_memviewslice *__pyx_v_dst, int __pyx_v_ndim, size_t __pyx_v_itemsize) {
+    /* "View.MemoryView":1315
+ *             direct_copy = slice_is_contig(dst, 'F', ndim)
+ * 
+ *         if direct_copy:             # <<<<<<<<<<<<<<
+ * 
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)
+ */
+    if (__pyx_v_direct_copy) {
 
-  /* "View.MemoryView":1173
- *                                   __Pyx_memviewslice *dst,
- *                                   int ndim, size_t itemsize) nogil:
- *     _copy_strided_to_strided(src.data, src.strides, dst.data, dst.strides,             # <<<<<<<<<<<<<<
- *                              src.shape, dst.shape, ndim, itemsize)
+      /* "View.MemoryView":1317
+ *         if direct_copy:
  * 
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)             # <<<<<<<<<<<<<<
+ *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  */
-  _copy_strided_to_strided(__pyx_v_src->data, __pyx_v_src->strides, __pyx_v_dst->data, __pyx_v_dst->strides, __pyx_v_src->shape, __pyx_v_dst->shape, __pyx_v_ndim, __pyx_v_itemsize);
+      __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 0);
 
-  /* "View.MemoryView":1170
- *             dst_data += dst_stride
+      /* "View.MemoryView":1318
  * 
- * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
- *                                   __Pyx_memviewslice *dst,
- *                                   int ndim, size_t itemsize) nogil:
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)
+ *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))             # <<<<<<<<<<<<<<
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)
+ *             free(tmpdata)
  */
+      (void)(memcpy(__pyx_v_dst.data, __pyx_v_src.data, __pyx_memoryview_slice_get_size((&__pyx_v_src), __pyx_v_ndim)));
 
-  /* function exit code */
-}
+      /* "View.MemoryView":1319
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)
+ *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)             # <<<<<<<<<<<<<<
+ *             free(tmpdata)
+ *             return 0
+ */
+      __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 1);
 
-/* "View.MemoryView":1177
+      /* "View.MemoryView":1320
+ *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)
+ *             free(tmpdata)             # <<<<<<<<<<<<<<
+ *             return 0
  * 
- * @cname('__pyx_memoryview_slice_get_size')
- * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) nogil:             # <<<<<<<<<<<<<<
- *     "Return the size of the memory occupied by the slice in number of bytes"
- *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
  */
+      free(__pyx_v_tmpdata);
 
-static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *__pyx_v_src, int __pyx_v_ndim) {
-  Py_ssize_t __pyx_v_shape;
-  Py_ssize_t __pyx_v_size;
-  Py_ssize_t __pyx_r;
-  Py_ssize_t __pyx_t_1;
-  Py_ssize_t *__pyx_t_2;
-  Py_ssize_t *__pyx_t_3;
-  Py_ssize_t *__pyx_t_4;
-
-  /* "View.MemoryView":1179
- * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) nogil:
- *     "Return the size of the memory occupied by the slice in number of bytes"
- *     cdef Py_ssize_t shape, size = src.memview.view.itemsize             # <<<<<<<<<<<<<<
+      /* "View.MemoryView":1321
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)
+ *             free(tmpdata)
+ *             return 0             # <<<<<<<<<<<<<<
  * 
- *     for shape in src.shape[:ndim]:
+ *     if order == 'F' == get_best_order(&dst, ndim):
  */
-  __pyx_t_1 = __pyx_v_src->memview->view.itemsize;
-  __pyx_v_size = __pyx_t_1;
+      __pyx_r = 0;
+      goto __pyx_L0;
 
-  /* "View.MemoryView":1181
- *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
+      /* "View.MemoryView":1315
+ *             direct_copy = slice_is_contig(dst, 'F', ndim)
  * 
- *     for shape in src.shape[:ndim]:             # <<<<<<<<<<<<<<
- *         size *= shape
+ *         if direct_copy:             # <<<<<<<<<<<<<<
  * 
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)
  */
-  __pyx_t_3 = (__pyx_v_src->shape + __pyx_v_ndim);
-  for (__pyx_t_4 = __pyx_v_src->shape; __pyx_t_4 < __pyx_t_3; __pyx_t_4++) {
-    __pyx_t_2 = __pyx_t_4;
-    __pyx_v_shape = (__pyx_t_2[0]);
+    }
 
-    /* "View.MemoryView":1182
+    /* "View.MemoryView":1307
+ *         src = tmp
+ * 
+ *     if not broadcasting:             # <<<<<<<<<<<<<<
  * 
- *     for shape in src.shape[:ndim]:
- *         size *= shape             # <<<<<<<<<<<<<<
  * 
- *     return size
  */
-    __pyx_v_size = (__pyx_v_size * __pyx_v_shape);
   }
 
-  /* "View.MemoryView":1184
- *         size *= shape
+  /* "View.MemoryView":1323
+ *             return 0
+ * 
+ *     if order == 'F' == get_best_order(&dst, ndim):             # <<<<<<<<<<<<<<
  * 
- *     return size             # <<<<<<<<<<<<<<
  * 
- * @cname('__pyx_fill_contig_strides_array')
  */
-  __pyx_r = __pyx_v_size;
-  goto __pyx_L0;
+  __pyx_t_2 = (__pyx_v_order == 'F');
+  if (__pyx_t_2) {
+    __pyx_t_2 = ('F' == __pyx_get_best_slice_order((&__pyx_v_dst), __pyx_v_ndim));
+  }
+  if (__pyx_t_2) {
 
-  /* "View.MemoryView":1177
+    /* "View.MemoryView":1326
+ * 
+ * 
+ *         transpose_memslice(&src)             # <<<<<<<<<<<<<<
+ *         transpose_memslice(&dst)
  * 
- * @cname('__pyx_memoryview_slice_get_size')
- * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) nogil:             # <<<<<<<<<<<<<<
- *     "Return the size of the memory occupied by the slice in number of bytes"
- *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
  */
+    __pyx_t_5 = __pyx_memslice_transpose((&__pyx_v_src)); if (unlikely(__pyx_t_5 == ((int)-1))) __PYX_ERR(1, 1326, __pyx_L1_error)
 
-  /* function exit code */
-  __pyx_L0:;
-  return __pyx_r;
-}
-
-/* "View.MemoryView":1187
+    /* "View.MemoryView":1327
  * 
- * @cname('__pyx_fill_contig_strides_array')
- * cdef Py_ssize_t fill_contig_strides_array(             # <<<<<<<<<<<<<<
- *                 Py_ssize_t *shape, Py_ssize_t *strides, Py_ssize_t stride,
- *                 int ndim, char order) nogil:
+ *         transpose_memslice(&src)
+ *         transpose_memslice(&dst)             # <<<<<<<<<<<<<<
+ * 
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=False)
  */
+    __pyx_t_5 = __pyx_memslice_transpose((&__pyx_v_dst)); if (unlikely(__pyx_t_5 == ((int)-1))) __PYX_ERR(1, 1327, __pyx_L1_error)
 
-static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, Py_ssize_t __pyx_v_stride, int __pyx_v_ndim, char __pyx_v_order) {
-  int __pyx_v_idx;
-  Py_ssize_t __pyx_r;
-  int __pyx_t_1;
-  int __pyx_t_2;
-  int __pyx_t_3;
-  int __pyx_t_4;
-
-  /* "View.MemoryView":1196
- *     cdef int idx
+    /* "View.MemoryView":1323
+ *             return 0
+ * 
+ *     if order == 'F' == get_best_order(&dst, ndim):             # <<<<<<<<<<<<<<
  * 
- *     if order == 'F':             # <<<<<<<<<<<<<<
- *         for idx in range(ndim):
- *             strides[idx] = stride
- */
-  __pyx_t_1 = ((__pyx_v_order == 'F') != 0);
-  if (__pyx_t_1) {
-
-    /* "View.MemoryView":1197
  * 
- *     if order == 'F':
- *         for idx in range(ndim):             # <<<<<<<<<<<<<<
- *             strides[idx] = stride
- *             stride *= shape[idx]
- */
-    __pyx_t_2 = __pyx_v_ndim;
-    __pyx_t_3 = __pyx_t_2;
-    for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
-      __pyx_v_idx = __pyx_t_4;
-
-      /* "View.MemoryView":1198
- *     if order == 'F':
- *         for idx in range(ndim):
- *             strides[idx] = stride             # <<<<<<<<<<<<<<
- *             stride *= shape[idx]
- *     else:
- */
-      (__pyx_v_strides[__pyx_v_idx]) = __pyx_v_stride;
-
-      /* "View.MemoryView":1199
- *         for idx in range(ndim):
- *             strides[idx] = stride
- *             stride *= shape[idx]             # <<<<<<<<<<<<<<
- *     else:
- *         for idx in range(ndim - 1, -1, -1):
  */
-      __pyx_v_stride = (__pyx_v_stride * (__pyx_v_shape[__pyx_v_idx]));
-    }
+  }
 
-    /* "View.MemoryView":1196
- *     cdef int idx
+  /* "View.MemoryView":1329
+ *         transpose_memslice(&dst)
  * 
- *     if order == 'F':             # <<<<<<<<<<<<<<
- *         for idx in range(ndim):
- *             strides[idx] = stride
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=False)             # <<<<<<<<<<<<<<
+ *     copy_strided_to_strided(&src, &dst, ndim, itemsize)
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  */
-    goto __pyx_L3;
-  }
+  __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 0);
 
-  /* "View.MemoryView":1201
- *             stride *= shape[idx]
- *     else:
- *         for idx in range(ndim - 1, -1, -1):             # <<<<<<<<<<<<<<
- *             strides[idx] = stride
- *             stride *= shape[idx]
+  /* "View.MemoryView":1330
+ * 
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=False)
+ *     copy_strided_to_strided(&src, &dst, ndim, itemsize)             # <<<<<<<<<<<<<<
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=True)
+ * 
  */
-  /*else*/ {
-    for (__pyx_t_2 = (__pyx_v_ndim - 1); __pyx_t_2 > -1; __pyx_t_2-=1) {
-      __pyx_v_idx = __pyx_t_2;
+  copy_strided_to_strided((&__pyx_v_src), (&__pyx_v_dst), __pyx_v_ndim, __pyx_v_itemsize);
 
-      /* "View.MemoryView":1202
- *     else:
- *         for idx in range(ndim - 1, -1, -1):
- *             strides[idx] = stride             # <<<<<<<<<<<<<<
- *             stride *= shape[idx]
+  /* "View.MemoryView":1331
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=False)
+ *     copy_strided_to_strided(&src, &dst, ndim, itemsize)
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=True)             # <<<<<<<<<<<<<<
  * 
+ *     free(tmpdata)
  */
-      (__pyx_v_strides[__pyx_v_idx]) = __pyx_v_stride;
+  __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 1);
 
-      /* "View.MemoryView":1203
- *         for idx in range(ndim - 1, -1, -1):
- *             strides[idx] = stride
- *             stride *= shape[idx]             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1333
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=True)
+ * 
+ *     free(tmpdata)             # <<<<<<<<<<<<<<
+ *     return 0
  * 
- *     return stride
  */
-      __pyx_v_stride = (__pyx_v_stride * (__pyx_v_shape[__pyx_v_idx]));
-    }
-  }
-  __pyx_L3:;
+  free(__pyx_v_tmpdata);
 
-  /* "View.MemoryView":1205
- *             stride *= shape[idx]
+  /* "View.MemoryView":1334
  * 
- *     return stride             # <<<<<<<<<<<<<<
+ *     free(tmpdata)
+ *     return 0             # <<<<<<<<<<<<<<
  * 
- * @cname('__pyx_memoryview_copy_data_to_temp')
+ * @cname('__pyx_memoryview_broadcast_leading')
  */
-  __pyx_r = __pyx_v_stride;
+  __pyx_r = 0;
   goto __pyx_L0;
 
-  /* "View.MemoryView":1187
+  /* "View.MemoryView":1265
  * 
- * @cname('__pyx_fill_contig_strides_array')
- * cdef Py_ssize_t fill_contig_strides_array(             # <<<<<<<<<<<<<<
- *                 Py_ssize_t *shape, Py_ssize_t *strides, Py_ssize_t stride,
- *                 int ndim, char order) nogil:
+ * @cname('__pyx_memoryview_copy_contents')
+ * cdef int memoryview_copy_contents(__Pyx_memviewslice src,             # <<<<<<<<<<<<<<
+ *                                   __Pyx_memviewslice dst,
+ *                                   int src_ndim, int dst_ndim,
  */
 
   /* function exit code */
+  __pyx_L1_error:;
+  #ifdef WITH_THREAD
+  __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
+  #endif
+  __Pyx_AddTraceback("View.MemoryView.memoryview_copy_contents", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
+  #ifdef WITH_THREAD
+  __Pyx_PyGILState_Release(__pyx_gilstate_save);
+  #endif
   __pyx_L0:;
   return __pyx_r;
 }
 
-/* "View.MemoryView":1208
+/* "View.MemoryView":1337
  * 
- * @cname('__pyx_memoryview_copy_data_to_temp')
- * cdef void *copy_data_to_temp(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
- *                              __Pyx_memviewslice *tmpslice,
- *                              char order,
+ * @cname('__pyx_memoryview_broadcast_leading')
+ * cdef void broadcast_leading(__Pyx_memviewslice *mslice,             # <<<<<<<<<<<<<<
+ *                             int ndim,
+ *                             int ndim_other) noexcept nogil:
  */
 
-static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src, __Pyx_memviewslice *__pyx_v_tmpslice, char __pyx_v_order, int __pyx_v_ndim) {
+static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslice, int __pyx_v_ndim, int __pyx_v_ndim_other) {
   int __pyx_v_i;
-  void *__pyx_v_result;
-  size_t __pyx_v_itemsize;
-  size_t __pyx_v_size;
-  void *__pyx_r;
-  Py_ssize_t __pyx_t_1;
+  int __pyx_v_offset;
+  int __pyx_t_1;
   int __pyx_t_2;
   int __pyx_t_3;
-  struct __pyx_memoryview_obj *__pyx_t_4;
-  int __pyx_t_5;
-  int __pyx_t_6;
-  int __pyx_lineno = 0;
-  const char *__pyx_filename = NULL;
-  int __pyx_clineno = 0;
 
-  /* "View.MemoryView":1219
- *     cdef void *result
- * 
- *     cdef size_t itemsize = src.memview.view.itemsize             # <<<<<<<<<<<<<<
- *     cdef size_t size = slice_get_size(src, ndim)
+  /* "View.MemoryView":1341
+ *                             int ndim_other) noexcept nogil:
+ *     cdef int i
+ *     cdef int offset = ndim_other - ndim             # <<<<<<<<<<<<<<
  * 
+ *     for i in range(ndim - 1, -1, -1):
  */
-  __pyx_t_1 = __pyx_v_src->memview->view.itemsize;
-  __pyx_v_itemsize = __pyx_t_1;
+  __pyx_v_offset = (__pyx_v_ndim_other - __pyx_v_ndim);
 
-  /* "View.MemoryView":1220
- * 
- *     cdef size_t itemsize = src.memview.view.itemsize
- *     cdef size_t size = slice_get_size(src, ndim)             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1343
+ *     cdef int offset = ndim_other - ndim
  * 
- *     result = malloc(size)
+ *     for i in range(ndim - 1, -1, -1):             # <<<<<<<<<<<<<<
+ *         mslice.shape[i + offset] = mslice.shape[i]
+ *         mslice.strides[i + offset] = mslice.strides[i]
  */
-  __pyx_v_size = __pyx_memoryview_slice_get_size(__pyx_v_src, __pyx_v_ndim);
+  for (__pyx_t_1 = (__pyx_v_ndim - 1); __pyx_t_1 > -1; __pyx_t_1-=1) {
+    __pyx_v_i = __pyx_t_1;
 
-  /* "View.MemoryView":1222
- *     cdef size_t size = slice_get_size(src, ndim)
+    /* "View.MemoryView":1344
  * 
- *     result = malloc(size)             # <<<<<<<<<<<<<<
- *     if not result:
- *         _err(MemoryError, NULL)
+ *     for i in range(ndim - 1, -1, -1):
+ *         mslice.shape[i + offset] = mslice.shape[i]             # <<<<<<<<<<<<<<
+ *         mslice.strides[i + offset] = mslice.strides[i]
+ *         mslice.suboffsets[i + offset] = mslice.suboffsets[i]
  */
-  __pyx_v_result = malloc(__pyx_v_size);
+    (__pyx_v_mslice->shape[(__pyx_v_i + __pyx_v_offset)]) = (__pyx_v_mslice->shape[__pyx_v_i]);
 
-  /* "View.MemoryView":1223
- * 
- *     result = malloc(size)
- *     if not result:             # <<<<<<<<<<<<<<
- *         _err(MemoryError, NULL)
+    /* "View.MemoryView":1345
+ *     for i in range(ndim - 1, -1, -1):
+ *         mslice.shape[i + offset] = mslice.shape[i]
+ *         mslice.strides[i + offset] = mslice.strides[i]             # <<<<<<<<<<<<<<
+ *         mslice.suboffsets[i + offset] = mslice.suboffsets[i]
  * 
  */
-  __pyx_t_2 = ((!(__pyx_v_result != 0)) != 0);
-  if (__pyx_t_2) {
+    (__pyx_v_mslice->strides[(__pyx_v_i + __pyx_v_offset)]) = (__pyx_v_mslice->strides[__pyx_v_i]);
 
-    /* "View.MemoryView":1224
- *     result = malloc(size)
- *     if not result:
- *         _err(MemoryError, NULL)             # <<<<<<<<<<<<<<
- * 
+    /* "View.MemoryView":1346
+ *         mslice.shape[i + offset] = mslice.shape[i]
+ *         mslice.strides[i + offset] = mslice.strides[i]
+ *         mslice.suboffsets[i + offset] = mslice.suboffsets[i]             # <<<<<<<<<<<<<<
  * 
+ *     for i in range(offset):
  */
-    __pyx_t_3 = __pyx_memoryview_err(__pyx_builtin_MemoryError, NULL); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 1224, __pyx_L1_error)
+    (__pyx_v_mslice->suboffsets[(__pyx_v_i + __pyx_v_offset)]) = (__pyx_v_mslice->suboffsets[__pyx_v_i]);
+  }
 
-    /* "View.MemoryView":1223
- * 
- *     result = malloc(size)
- *     if not result:             # <<<<<<<<<<<<<<
- *         _err(MemoryError, NULL)
+  /* "View.MemoryView":1348
+ *         mslice.suboffsets[i + offset] = mslice.suboffsets[i]
  * 
+ *     for i in range(offset):             # <<<<<<<<<<<<<<
+ *         mslice.shape[i] = 1
+ *         mslice.strides[i] = mslice.strides[0]
  */
-  }
+  __pyx_t_1 = __pyx_v_offset;
+  __pyx_t_2 = __pyx_t_1;
+  for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
+    __pyx_v_i = __pyx_t_3;
 
-  /* "View.MemoryView":1227
- * 
+    /* "View.MemoryView":1349
  * 
- *     tmpslice.data = <char *> result             # <<<<<<<<<<<<<<
- *     tmpslice.memview = src.memview
- *     for i in range(ndim):
+ *     for i in range(offset):
+ *         mslice.shape[i] = 1             # <<<<<<<<<<<<<<
+ *         mslice.strides[i] = mslice.strides[0]
+ *         mslice.suboffsets[i] = -1
  */
-  __pyx_v_tmpslice->data = ((char *)__pyx_v_result);
+    (__pyx_v_mslice->shape[__pyx_v_i]) = 1;
 
-  /* "View.MemoryView":1228
+    /* "View.MemoryView":1350
+ *     for i in range(offset):
+ *         mslice.shape[i] = 1
+ *         mslice.strides[i] = mslice.strides[0]             # <<<<<<<<<<<<<<
+ *         mslice.suboffsets[i] = -1
  * 
- *     tmpslice.data = <char *> result
- *     tmpslice.memview = src.memview             # <<<<<<<<<<<<<<
- *     for i in range(ndim):
- *         tmpslice.shape[i] = src.shape[i]
  */
-  __pyx_t_4 = __pyx_v_src->memview;
-  __pyx_v_tmpslice->memview = __pyx_t_4;
+    (__pyx_v_mslice->strides[__pyx_v_i]) = (__pyx_v_mslice->strides[0]);
 
-  /* "View.MemoryView":1229
- *     tmpslice.data = <char *> result
- *     tmpslice.memview = src.memview
- *     for i in range(ndim):             # <<<<<<<<<<<<<<
- *         tmpslice.shape[i] = src.shape[i]
- *         tmpslice.suboffsets[i] = -1
+    /* "View.MemoryView":1351
+ *         mslice.shape[i] = 1
+ *         mslice.strides[i] = mslice.strides[0]
+ *         mslice.suboffsets[i] = -1             # <<<<<<<<<<<<<<
+ * 
+ * 
  */
-  __pyx_t_3 = __pyx_v_ndim;
-  __pyx_t_5 = __pyx_t_3;
-  for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
-    __pyx_v_i = __pyx_t_6;
+    (__pyx_v_mslice->suboffsets[__pyx_v_i]) = -1L;
+  }
 
-    /* "View.MemoryView":1230
- *     tmpslice.memview = src.memview
- *     for i in range(ndim):
- *         tmpslice.shape[i] = src.shape[i]             # <<<<<<<<<<<<<<
- *         tmpslice.suboffsets[i] = -1
+  /* "View.MemoryView":1337
  * 
+ * @cname('__pyx_memoryview_broadcast_leading')
+ * cdef void broadcast_leading(__Pyx_memviewslice *mslice,             # <<<<<<<<<<<<<<
+ *                             int ndim,
+ *                             int ndim_other) noexcept nogil:
  */
-    (__pyx_v_tmpslice->shape[__pyx_v_i]) = (__pyx_v_src->shape[__pyx_v_i]);
 
-    /* "View.MemoryView":1231
- *     for i in range(ndim):
- *         tmpslice.shape[i] = src.shape[i]
- *         tmpslice.suboffsets[i] = -1             # <<<<<<<<<<<<<<
+  /* function exit code */
+}
+
+/* "View.MemoryView":1359
+ * 
+ * @cname('__pyx_memoryview_refcount_copying')
+ * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object, int ndim, bint inc) noexcept nogil:             # <<<<<<<<<<<<<<
  * 
- *     fill_contig_strides_array(&tmpslice.shape[0], &tmpslice.strides[0], itemsize,
+ *     if dtype_is_object:
  */
-    (__pyx_v_tmpslice->suboffsets[__pyx_v_i]) = -1L;
-  }
 
-  /* "View.MemoryView":1233
- *         tmpslice.suboffsets[i] = -1
+static void __pyx_memoryview_refcount_copying(__Pyx_memviewslice *__pyx_v_dst, int __pyx_v_dtype_is_object, int __pyx_v_ndim, int __pyx_v_inc) {
+
+  /* "View.MemoryView":1361
+ * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object, int ndim, bint inc) noexcept nogil:
  * 
- *     fill_contig_strides_array(&tmpslice.shape[0], &tmpslice.strides[0], itemsize,             # <<<<<<<<<<<<<<
- *                               ndim, order)
+ *     if dtype_is_object:             # <<<<<<<<<<<<<<
+ *         refcount_objects_in_slice_with_gil(dst.data, dst.shape, dst.strides, ndim, inc)
  * 
  */
-  (void)(__pyx_fill_contig_strides_array((&(__pyx_v_tmpslice->shape[0])), (&(__pyx_v_tmpslice->strides[0])), __pyx_v_itemsize, __pyx_v_ndim, __pyx_v_order));
+  if (__pyx_v_dtype_is_object) {
 
-  /* "View.MemoryView":1237
+    /* "View.MemoryView":1362
  * 
+ *     if dtype_is_object:
+ *         refcount_objects_in_slice_with_gil(dst.data, dst.shape, dst.strides, ndim, inc)             # <<<<<<<<<<<<<<
  * 
- *     for i in range(ndim):             # <<<<<<<<<<<<<<
- *         if tmpslice.shape[i] == 1:
- *             tmpslice.strides[i] = 0
+ * @cname('__pyx_memoryview_refcount_objects_in_slice_with_gil')
  */
-  __pyx_t_3 = __pyx_v_ndim;
-  __pyx_t_5 = __pyx_t_3;
-  for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
-    __pyx_v_i = __pyx_t_6;
+    __pyx_memoryview_refcount_objects_in_slice_with_gil(__pyx_v_dst->data, __pyx_v_dst->shape, __pyx_v_dst->strides, __pyx_v_ndim, __pyx_v_inc);
 
-    /* "View.MemoryView":1238
+    /* "View.MemoryView":1361
+ * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object, int ndim, bint inc) noexcept nogil:
  * 
- *     for i in range(ndim):
- *         if tmpslice.shape[i] == 1:             # <<<<<<<<<<<<<<
- *             tmpslice.strides[i] = 0
+ *     if dtype_is_object:             # <<<<<<<<<<<<<<
+ *         refcount_objects_in_slice_with_gil(dst.data, dst.shape, dst.strides, ndim, inc)
  * 
  */
-    __pyx_t_2 = (((__pyx_v_tmpslice->shape[__pyx_v_i]) == 1) != 0);
-    if (__pyx_t_2) {
+  }
 
-      /* "View.MemoryView":1239
- *     for i in range(ndim):
- *         if tmpslice.shape[i] == 1:
- *             tmpslice.strides[i] = 0             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1359
  * 
- *     if slice_is_contig(src[0], order, ndim):
+ * @cname('__pyx_memoryview_refcount_copying')
+ * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object, int ndim, bint inc) noexcept nogil:             # <<<<<<<<<<<<<<
+ * 
+ *     if dtype_is_object:
  */
-      (__pyx_v_tmpslice->strides[__pyx_v_i]) = 0;
 
-      /* "View.MemoryView":1238
+  /* function exit code */
+}
+
+/* "View.MemoryView":1365
  * 
- *     for i in range(ndim):
- *         if tmpslice.shape[i] == 1:             # <<<<<<<<<<<<<<
- *             tmpslice.strides[i] = 0
+ * @cname('__pyx_memoryview_refcount_objects_in_slice_with_gil')
+ * cdef void refcount_objects_in_slice_with_gil(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
+ *                                              Py_ssize_t *strides, int ndim,
+ *                                              bint inc) noexcept with gil:
+ */
+
+static void __pyx_memoryview_refcount_objects_in_slice_with_gil(char *__pyx_v_data, Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, int __pyx_v_ndim, int __pyx_v_inc) {
+  #ifdef WITH_THREAD
+  PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
+  #endif
+
+  /* "View.MemoryView":1368
+ *                                              Py_ssize_t *strides, int ndim,
+ *                                              bint inc) noexcept with gil:
+ *     refcount_objects_in_slice(data, shape, strides, ndim, inc)             # <<<<<<<<<<<<<<
  * 
+ * @cname('__pyx_memoryview_refcount_objects_in_slice')
  */
-    }
-  }
+  __pyx_memoryview_refcount_objects_in_slice(__pyx_v_data, __pyx_v_shape, __pyx_v_strides, __pyx_v_ndim, __pyx_v_inc);
 
-  /* "View.MemoryView":1241
- *             tmpslice.strides[i] = 0
+  /* "View.MemoryView":1365
  * 
- *     if slice_is_contig(src[0], order, ndim):             # <<<<<<<<<<<<<<
- *         memcpy(result, src.data, size)
- *     else:
+ * @cname('__pyx_memoryview_refcount_objects_in_slice_with_gil')
+ * cdef void refcount_objects_in_slice_with_gil(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
+ *                                              Py_ssize_t *strides, int ndim,
+ *                                              bint inc) noexcept with gil:
  */
-  __pyx_t_2 = (__pyx_memviewslice_is_contig((__pyx_v_src[0]), __pyx_v_order, __pyx_v_ndim) != 0);
-  if (__pyx_t_2) {
 
-    /* "View.MemoryView":1242
+  /* function exit code */
+  #ifdef WITH_THREAD
+  __Pyx_PyGILState_Release(__pyx_gilstate_save);
+  #endif
+}
+
+/* "View.MemoryView":1371
  * 
- *     if slice_is_contig(src[0], order, ndim):
- *         memcpy(result, src.data, size)             # <<<<<<<<<<<<<<
- *     else:
- *         copy_strided_to_strided(src, tmpslice, ndim, itemsize)
+ * @cname('__pyx_memoryview_refcount_objects_in_slice')
+ * cdef void refcount_objects_in_slice(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
+ *                                     Py_ssize_t *strides, int ndim, bint inc) noexcept:
+ *     cdef Py_ssize_t i
  */
-    (void)(memcpy(__pyx_v_result, __pyx_v_src->data, __pyx_v_size));
 
-    /* "View.MemoryView":1241
- *             tmpslice.strides[i] = 0
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-
-static int __pyx_tp_clear_memoryview(PyObject *o) {
-  PyObject* tmp;
-  struct __pyx_memoryview_obj *p = (struct __pyx_memoryview_obj *)o;
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-  return __pyx_pw_15View_dot_MemoryView_10memoryview_5shape_1__get__(o);
-}
+          /* "fxpcs_sparse.pyx":130
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-  return __pyx_pw_15View_dot_MemoryView_10memoryview_7strides_1__get__(o);
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+ */
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+ * 
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-  {"copy", (PyCFunction)__pyx_memoryview_copy, METH_NOARGS, 0},
-  {"copy_fortran", (PyCFunction)__pyx_memoryview_copy_fortran, METH_NOARGS, 0},
-  {"__reduce_cython__", (PyCFunction)__pyx_pw___pyx_memoryview_1__reduce_cython__, METH_NOARGS, 0},
-  {"__setstate_cython__", (PyCFunction)__pyx_pw___pyx_memoryview_3__setstate_cython__, METH_O, 0},
-  {0, 0, 0, 0}
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+      /* "fxpcs_sparse.pyx":155
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-  {0, 0, 0, 0, 0}
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-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
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-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
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+ * 
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-  #endif
-  #if PY_MAJOR_VERSION < 3
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-  0, /*tp_weaklistoffset*/
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-  0, /*tp_init*/
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-  0, /*tp_is_gc*/
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+  struct __pyx_MemviewEnum_obj *p;
+  PyObject *o;
+  #if CYTHON_COMPILING_IN_LIMITED_API
+  allocfunc alloc_func = (allocfunc)PyType_GetSlot(t, Py_tp_alloc);
+  o = alloc_func(t, 0);
+  #else
+  if (likely(!__Pyx_PyType_HasFeature(t, Py_TPFLAGS_IS_ABSTRACT))) {
+    o = (*t->tp_alloc)(t, 0);
+  } else {
+    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
+  }
+  if (unlikely(!o)) return 0;
+  #endif
+  p = ((struct __pyx_MemviewEnum_obj *)o);
+  p->name = Py_None; Py_INCREF(Py_None);
+  return o;
+}
+
+static void __pyx_tp_dealloc_Enum(PyObject *o) {
+  struct __pyx_MemviewEnum_obj *p = (struct __pyx_MemviewEnum_obj *)o;
+  #if CYTHON_USE_TP_FINALIZE
+  if (unlikely((PY_VERSION_HEX >= 0x03080000 || __Pyx_PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE)) && __Pyx_PyObject_GetSlot(o, tp_finalize, destructor)) && !__Pyx_PyObject_GC_IsFinalized(o)) {
+    if (__Pyx_PyObject_GetSlot(o, tp_dealloc, destructor) == __pyx_tp_dealloc_Enum) {
+      if (PyObject_CallFinalizerFromDealloc(o)) return;
+    }
+  }
+  #endif
+  PyObject_GC_UnTrack(o);
+  Py_CLEAR(p->name);
+  #if CYTHON_USE_TYPE_SLOTS || CYTHON_COMPILING_IN_PYPY
+  (*Py_TYPE(o)->tp_free)(o);
+  #else
+  {
+    freefunc tp_free = (freefunc)PyType_GetSlot(Py_TYPE(o), Py_tp_free);
+    if (tp_free) tp_free(o);
+  }
+  #endif
+}
+
+static int __pyx_tp_traverse_Enum(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_MemviewEnum_obj *p = (struct __pyx_MemviewEnum_obj *)o;
+  if (p->name) {
+    e = (*v)(p->name, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_Enum(PyObject *o) {
+  PyObject* tmp;
+  struct __pyx_MemviewEnum_obj *p = (struct __pyx_MemviewEnum_obj *)o;
+  tmp = ((PyObject*)p->name);
+  p->name = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyObject *__pyx_specialmethod___pyx_MemviewEnum___repr__(PyObject *self, CYTHON_UNUSED PyObject *arg) {
+  return __pyx_MemviewEnum___repr__(self);
+}
+
+static PyMethodDef __pyx_methods_Enum[] = {
+  {"__repr__", (PyCFunction)__pyx_specialmethod___pyx_MemviewEnum___repr__, METH_NOARGS|METH_COEXIST, 0},
+  {"__reduce_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_MemviewEnum_1__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"__setstate_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_MemviewEnum_3__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {0, 0, 0, 0}
+};
+#if CYTHON_USE_TYPE_SPECS
+static PyType_Slot __pyx_type___pyx_MemviewEnum_slots[] = {
+  {Py_tp_dealloc, (void *)__pyx_tp_dealloc_Enum},
+  {Py_tp_repr, (void *)__pyx_MemviewEnum___repr__},
+  {Py_tp_traverse, (void *)__pyx_tp_traverse_Enum},
+  {Py_tp_clear, (void *)__pyx_tp_clear_Enum},
+  {Py_tp_methods, (void *)__pyx_methods_Enum},
+  {Py_tp_init, (void *)__pyx_MemviewEnum___init__},
+  {Py_tp_new, (void *)__pyx_tp_new_Enum},
+  {0, 0},
+};
+static PyType_Spec __pyx_type___pyx_MemviewEnum_spec = {
+  "fxpcs_sparse.Enum",
+  sizeof(struct __pyx_MemviewEnum_obj),
+  0,
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC,
+  __pyx_type___pyx_MemviewEnum_slots,
+};
+#else
+
+static PyTypeObject __pyx_type___pyx_MemviewEnum = {
+  PyVarObject_HEAD_INIT(0, 0)
+  "fxpcs_sparse.""Enum", /*tp_name*/
+  sizeof(struct __pyx_MemviewEnum_obj), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_Enum, /*tp_dealloc*/
+  #if PY_VERSION_HEX < 0x030800b4
+  0, /*tp_print*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030800b4
+  0, /*tp_vectorcall_offset*/
+  #endif
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #endif
+  #if PY_MAJOR_VERSION >= 3
+  0, /*tp_as_async*/
+  #endif
+  __pyx_MemviewEnum___repr__, /*tp_repr*/
+  0, /*tp_as_number*/
+  0, /*tp_as_sequence*/
+  0, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  0, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_Enum, /*tp_traverse*/
+  __pyx_tp_clear_Enum, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_Enum, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  #if !CYTHON_USE_TYPE_SPECS
+  0, /*tp_dictoffset*/
+  #endif
+  __pyx_MemviewEnum___init__, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_Enum, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  0, /*tp_version_tag*/
+  #if PY_VERSION_HEX >= 0x030400a1
+  #if CYTHON_USE_TP_FINALIZE
+  0, /*tp_finalize*/
+  #else
+  NULL, /*tp_finalize*/
+  #endif
+  #endif
+  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
+  0, /*tp_vectorcall*/
+  #endif
+  #if __PYX_NEED_TP_PRINT_SLOT == 1
+  0, /*tp_print*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030C0000
+  0, /*tp_watched*/
+  #endif
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+  0, /*tp_pypy_flags*/
+  #endif
+};
+#endif
+static struct __pyx_vtabstruct_memoryview __pyx_vtable_memoryview;
+
+static PyObject *__pyx_tp_new_memoryview(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_memoryview_obj *p;
+  PyObject *o;
+  #if CYTHON_COMPILING_IN_LIMITED_API
+  allocfunc alloc_func = (allocfunc)PyType_GetSlot(t, Py_tp_alloc);
+  o = alloc_func(t, 0);
+  #else
+  if (likely(!__Pyx_PyType_HasFeature(t, Py_TPFLAGS_IS_ABSTRACT))) {
+    o = (*t->tp_alloc)(t, 0);
+  } else {
+    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
+  }
+  if (unlikely(!o)) return 0;
+  #endif
+  p = ((struct __pyx_memoryview_obj *)o);
+  p->__pyx_vtab = __pyx_vtabptr_memoryview;
+  p->obj = Py_None; Py_INCREF(Py_None);
+  p->_size = Py_None; Py_INCREF(Py_None);
+  p->_array_interface = Py_None; Py_INCREF(Py_None);
+  p->view.obj = NULL;
+  if (unlikely(__pyx_memoryview___cinit__(o, a, k) < 0)) goto bad;
+  return o;
+  bad:
+  Py_DECREF(o); o = 0;
+  return NULL;
+}
+
+static void __pyx_tp_dealloc_memoryview(PyObject *o) {
+  struct __pyx_memoryview_obj *p = (struct __pyx_memoryview_obj *)o;
+  #if CYTHON_USE_TP_FINALIZE
+  if (unlikely((PY_VERSION_HEX >= 0x03080000 || __Pyx_PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE)) && __Pyx_PyObject_GetSlot(o, tp_finalize, destructor)) && !__Pyx_PyObject_GC_IsFinalized(o)) {
+    if (__Pyx_PyObject_GetSlot(o, tp_dealloc, destructor) == __pyx_tp_dealloc_memoryview) {
+      if (PyObject_CallFinalizerFromDealloc(o)) return;
+    }
+  }
+  #endif
+  PyObject_GC_UnTrack(o);
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    __Pyx_SET_REFCNT(o, Py_REFCNT(o) + 1);
+    __pyx_memoryview___dealloc__(o);
+    __Pyx_SET_REFCNT(o, Py_REFCNT(o) - 1);
+    PyErr_Restore(etype, eval, etb);
+  }
+  Py_CLEAR(p->obj);
+  Py_CLEAR(p->_size);
+  Py_CLEAR(p->_array_interface);
+  #if CYTHON_USE_TYPE_SLOTS || CYTHON_COMPILING_IN_PYPY
+  (*Py_TYPE(o)->tp_free)(o);
+  #else
+  {
+    freefunc tp_free = (freefunc)PyType_GetSlot(Py_TYPE(o), Py_tp_free);
+    if (tp_free) tp_free(o);
+  }
+  #endif
+}
+
+static int __pyx_tp_traverse_memoryview(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_memoryview_obj *p = (struct __pyx_memoryview_obj *)o;
+  if (p->obj) {
+    e = (*v)(p->obj, a); if (e) return e;
+  }
+  if (p->_size) {
+    e = (*v)(p->_size, a); if (e) return e;
+  }
+  if (p->_array_interface) {
+    e = (*v)(p->_array_interface, a); if (e) return e;
+  }
+  if (p->view.obj) {
+    e = (*v)(p->view.obj, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_memoryview(PyObject *o) {
+  PyObject* tmp;
+  struct __pyx_memoryview_obj *p = (struct __pyx_memoryview_obj *)o;
+  tmp = ((PyObject*)p->obj);
+  p->obj = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->_size);
+  p->_size = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->_array_interface);
+  p->_array_interface = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  Py_CLEAR(p->view.obj);
+  return 0;
+}
+static PyObject *__pyx_sq_item_memoryview(PyObject *o, Py_ssize_t i) {
+  PyObject *r;
+  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
+  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
+  Py_DECREF(x);
+  return r;
+}
+
+static int __pyx_mp_ass_subscript_memoryview(PyObject *o, PyObject *i, PyObject *v) {
+  if (v) {
+    return __pyx_memoryview___setitem__(o, i, v);
+  }
+  else {
+    __Pyx_TypeName o_type_name;
+    o_type_name = __Pyx_PyType_GetName(Py_TYPE(o));
+    PyErr_Format(PyExc_NotImplementedError,
+      "Subscript deletion not supported by " __Pyx_FMT_TYPENAME, o_type_name);
+    __Pyx_DECREF_TypeName(o_type_name);
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_T(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_1T_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_base(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_4base_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_shape(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_5shape_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_strides(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_7strides_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_suboffsets(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_10suboffsets_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_ndim(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_4ndim_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_itemsize(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_8itemsize_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_nbytes(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_6nbytes_1__get__(o);
+}
+
+static PyObject *__pyx_getprop___pyx_memoryview_size(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_15View_dot_MemoryView_10memoryview_4size_1__get__(o);
+}
+
+static PyObject *__pyx_specialmethod___pyx_memoryview___repr__(PyObject *self, CYTHON_UNUSED PyObject *arg) {
+  return __pyx_memoryview___repr__(self);
+}
+
+static PyMethodDef __pyx_methods_memoryview[] = {
+  {"__repr__", (PyCFunction)__pyx_specialmethod___pyx_memoryview___repr__, METH_NOARGS|METH_COEXIST, 0},
+  {"is_c_contig", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_memoryview_is_c_contig, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"is_f_contig", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_memoryview_is_f_contig, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"copy", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_memoryview_copy, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"copy_fortran", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_memoryview_copy_fortran, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"__reduce_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_memoryview_1__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"__setstate_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_memoryview_3__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_memoryview[] = {
+  {(char *)"T", __pyx_getprop___pyx_memoryview_T, 0, (char *)0, 0},
+  {(char *)"base", __pyx_getprop___pyx_memoryview_base, 0, (char *)0, 0},
+  {(char *)"shape", __pyx_getprop___pyx_memoryview_shape, 0, (char *)0, 0},
+  {(char *)"strides", __pyx_getprop___pyx_memoryview_strides, 0, (char *)0, 0},
+  {(char *)"suboffsets", __pyx_getprop___pyx_memoryview_suboffsets, 0, (char *)0, 0},
+  {(char *)"ndim", __pyx_getprop___pyx_memoryview_ndim, 0, (char *)0, 0},
+  {(char *)"itemsize", __pyx_getprop___pyx_memoryview_itemsize, 0, (char *)0, 0},
+  {(char *)"nbytes", __pyx_getprop___pyx_memoryview_nbytes, 0, (char *)0, 0},
+  {(char *)"size", __pyx_getprop___pyx_memoryview_size, 0, (char *)0, 0},
+  {0, 0, 0, 0, 0}
+};
+#if CYTHON_USE_TYPE_SPECS
+#if !CYTHON_COMPILING_IN_LIMITED_API
+
+static PyBufferProcs __pyx_tp_as_buffer_memoryview = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  __pyx_memoryview_getbuffer, /*bf_getbuffer*/
+  0, /*bf_releasebuffer*/
+};
+#endif
+static PyType_Slot __pyx_type___pyx_memoryview_slots[] = {
+  {Py_tp_dealloc, (void *)__pyx_tp_dealloc_memoryview},
+  {Py_tp_repr, (void *)__pyx_memoryview___repr__},
+  {Py_sq_length, (void *)__pyx_memoryview___len__},
+  {Py_sq_item, (void *)__pyx_sq_item_memoryview},
+  {Py_mp_length, (void *)__pyx_memoryview___len__},
+  {Py_mp_subscript, (void *)__pyx_memoryview___getitem__},
+  {Py_mp_ass_subscript, (void *)__pyx_mp_ass_subscript_memoryview},
+  {Py_tp_str, (void *)__pyx_memoryview___str__},
+  #if defined(Py_bf_getbuffer)
+  {Py_bf_getbuffer, (void *)__pyx_memoryview_getbuffer},
+  #endif
+  {Py_tp_traverse, (void *)__pyx_tp_traverse_memoryview},
+  {Py_tp_clear, (void *)__pyx_tp_clear_memoryview},
+  {Py_tp_methods, (void *)__pyx_methods_memoryview},
+  {Py_tp_getset, (void *)__pyx_getsets_memoryview},
+  {Py_tp_new, (void *)__pyx_tp_new_memoryview},
+  {0, 0},
+};
+static PyType_Spec __pyx_type___pyx_memoryview_spec = {
+  "fxpcs_sparse.memoryview",
+  sizeof(struct __pyx_memoryview_obj),
+  0,
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC,
+  __pyx_type___pyx_memoryview_slots,
+};
+#else
+
+static PySequenceMethods __pyx_tp_as_sequence_memoryview = {
+  __pyx_memoryview___len__, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  __pyx_sq_item_memoryview, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_memoryview = {
+  __pyx_memoryview___len__, /*mp_length*/
+  __pyx_memoryview___getitem__, /*mp_subscript*/
+  __pyx_mp_ass_subscript_memoryview, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_memoryview = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  __pyx_memoryview_getbuffer, /*bf_getbuffer*/
+  0, /*bf_releasebuffer*/
+};
+
+static PyTypeObject __pyx_type___pyx_memoryview = {
+  PyVarObject_HEAD_INIT(0, 0)
+  "fxpcs_sparse.""memoryview", /*tp_name*/
+  sizeof(struct __pyx_memoryview_obj), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_memoryview, /*tp_dealloc*/
+  #if PY_VERSION_HEX < 0x030800b4
+  0, /*tp_print*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030800b4
+  0, /*tp_vectorcall_offset*/
+  #endif
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #endif
+  #if PY_MAJOR_VERSION >= 3
+  0, /*tp_as_async*/
+  #endif
+  __pyx_memoryview___repr__, /*tp_repr*/
+  0, /*tp_as_number*/
+  &__pyx_tp_as_sequence_memoryview, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_memoryview, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  __pyx_memoryview___str__, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_memoryview, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_memoryview, /*tp_traverse*/
+  __pyx_tp_clear_memoryview, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_memoryview, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_memoryview, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  #if !CYTHON_USE_TYPE_SPECS
+  0, /*tp_dictoffset*/
+  #endif
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_memoryview, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  0, /*tp_version_tag*/
+  #if PY_VERSION_HEX >= 0x030400a1
+  #if CYTHON_USE_TP_FINALIZE
+  0, /*tp_finalize*/
+  #else
+  NULL, /*tp_finalize*/
+  #endif
+  #endif
+  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
+  0, /*tp_vectorcall*/
+  #endif
+  #if __PYX_NEED_TP_PRINT_SLOT == 1
+  0, /*tp_print*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030C0000
+  0, /*tp_watched*/
+  #endif
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+  0, /*tp_pypy_flags*/
+  #endif
+};
+#endif
+static struct __pyx_vtabstruct__memoryviewslice __pyx_vtable__memoryviewslice;
+
+static PyObject *__pyx_tp_new__memoryviewslice(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_memoryviewslice_obj *p;
+  PyObject *o = __pyx_tp_new_memoryview(t, a, k);
+  if (unlikely(!o)) return 0;
+  p = ((struct __pyx_memoryviewslice_obj *)o);
+  p->__pyx_base.__pyx_vtab = (struct __pyx_vtabstruct_memoryview*)__pyx_vtabptr__memoryviewslice;
+  p->from_object = Py_None; Py_INCREF(Py_None);
+  p->from_slice.memview = NULL;
+  return o;
+}
+
+static void __pyx_tp_dealloc__memoryviewslice(PyObject *o) {
+  struct __pyx_memoryviewslice_obj *p = (struct __pyx_memoryviewslice_obj *)o;
+  #if CYTHON_USE_TP_FINALIZE
+  if (unlikely((PY_VERSION_HEX >= 0x03080000 || __Pyx_PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE)) && __Pyx_PyObject_GetSlot(o, tp_finalize, destructor)) && !__Pyx_PyObject_GC_IsFinalized(o)) {
+    if (__Pyx_PyObject_GetSlot(o, tp_dealloc, destructor) == __pyx_tp_dealloc__memoryviewslice) {
+      if (PyObject_CallFinalizerFromDealloc(o)) return;
+    }
+  }
+  #endif
+  PyObject_GC_UnTrack(o);
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    __Pyx_SET_REFCNT(o, Py_REFCNT(o) + 1);
+    __pyx_memoryviewslice___dealloc__(o);
+    __Pyx_SET_REFCNT(o, Py_REFCNT(o) - 1);
+    PyErr_Restore(etype, eval, etb);
+  }
+  Py_CLEAR(p->from_object);
+  PyObject_GC_Track(o);
+  __pyx_tp_dealloc_memoryview(o);
+}
+
+static int __pyx_tp_traverse__memoryviewslice(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_memoryviewslice_obj *p = (struct __pyx_memoryviewslice_obj *)o;
+  e = __pyx_tp_traverse_memoryview(o, v, a); if (e) return e;
+  if (p->from_object) {
+    e = (*v)(p->from_object, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear__memoryviewslice(PyObject *o) {
+  PyObject* tmp;
+  struct __pyx_memoryviewslice_obj *p = (struct __pyx_memoryviewslice_obj *)o;
+  __pyx_tp_clear_memoryview(o);
+  tmp = ((PyObject*)p->from_object);
+  p->from_object = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  __PYX_XCLEAR_MEMVIEW(&p->from_slice, 1);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods__memoryviewslice[] = {
+  {"__reduce_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_memoryviewslice_1__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"__setstate_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_memoryviewslice_3__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {0, 0, 0, 0}
+};
+#if CYTHON_USE_TYPE_SPECS
+static PyType_Slot __pyx_type___pyx_memoryviewslice_slots[] = {
+  {Py_tp_dealloc, (void *)__pyx_tp_dealloc__memoryviewslice},
+  {Py_tp_doc, (void *)PyDoc_STR("Internal class for passing memoryview slices to Python")},
+  {Py_tp_traverse, (void *)__pyx_tp_traverse__memoryviewslice},
+  {Py_tp_clear, (void *)__pyx_tp_clear__memoryviewslice},
+  {Py_tp_methods, (void *)__pyx_methods__memoryviewslice},
+  {Py_tp_new, (void *)__pyx_tp_new__memoryviewslice},
+  {0, 0},
+};
+static PyType_Spec __pyx_type___pyx_memoryviewslice_spec = {
+  "fxpcs_sparse._memoryviewslice",
+  sizeof(struct __pyx_memoryviewslice_obj),
+  0,
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC|Py_TPFLAGS_SEQUENCE,
+  __pyx_type___pyx_memoryviewslice_slots,
+};
+#else
+
+static PyTypeObject __pyx_type___pyx_memoryviewslice = {
+  PyVarObject_HEAD_INIT(0, 0)
+  "fxpcs_sparse.""_memoryviewslice", /*tp_name*/
+  sizeof(struct __pyx_memoryviewslice_obj), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc__memoryviewslice, /*tp_dealloc*/
+  #if PY_VERSION_HEX < 0x030800b4
+  0, /*tp_print*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030800b4
+  0, /*tp_vectorcall_offset*/
+  #endif
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #endif
+  #if PY_MAJOR_VERSION >= 3
+  0, /*tp_as_async*/
+  #endif
+  #if CYTHON_COMPILING_IN_PYPY || 0
+  __pyx_memoryview___repr__, /*tp_repr*/
+  #else
+  0, /*tp_repr*/
+  #endif
+  0, /*tp_as_number*/
+  0, /*tp_as_sequence*/
+  0, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  #if CYTHON_COMPILING_IN_PYPY || 0
+  __pyx_memoryview___str__, /*tp_str*/
+  #else
+  0, /*tp_str*/
+  #endif
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  0, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC|Py_TPFLAGS_SEQUENCE, /*tp_flags*/
+  PyDoc_STR("Internal class for passing memoryview slices to Python"), /*tp_doc*/
+  __pyx_tp_traverse__memoryviewslice, /*tp_traverse*/
+  __pyx_tp_clear__memoryviewslice, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods__memoryviewslice, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  #if !CYTHON_USE_TYPE_SPECS
+  0, /*tp_dictoffset*/
+  #endif
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new__memoryviewslice, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  0, /*tp_version_tag*/
+  #if PY_VERSION_HEX >= 0x030400a1
+  #if CYTHON_USE_TP_FINALIZE
+  0, /*tp_finalize*/
+  #else
+  NULL, /*tp_finalize*/
+  #endif
+  #endif
+  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
+  0, /*tp_vectorcall*/
+  #endif
+  #if __PYX_NEED_TP_PRINT_SLOT == 1
+  0, /*tp_print*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030C0000
+  0, /*tp_watched*/
+  #endif
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+  0, /*tp_pypy_flags*/
+  #endif
+};
+#endif
+
+static PyMethodDef __pyx_methods[] = {
+  {0, 0, 0, 0}
+};
+#ifndef CYTHON_SMALL_CODE
+#if defined(__clang__)
+    #define CYTHON_SMALL_CODE
+#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
+    #define CYTHON_SMALL_CODE __attribute__((cold))
+#else
+    #define CYTHON_SMALL_CODE
+#endif
+#endif
+/* #### Code section: pystring_table ### */
+
+static int __Pyx_CreateStringTabAndInitStrings(void) {
+  __Pyx_StringTabEntry __pyx_string_tab[] = {
+    {&__pyx_kp_u_, __pyx_k_, sizeof(__pyx_k_), 0, 1, 0, 0},
+    {&__pyx_n_s_A, __pyx_k_A, sizeof(__pyx_k_A), 0, 0, 1, 1},
+    {&__pyx_n_s_ASCII, __pyx_k_ASCII, sizeof(__pyx_k_ASCII), 0, 0, 1, 1},
+    {&__pyx_kp_s_All_dimensions_preceding_dimensi, __pyx_k_All_dimensions_preceding_dimensi, sizeof(__pyx_k_All_dimensions_preceding_dimensi), 0, 0, 1, 0},
+    {&__pyx_n_s_AssertionError, __pyx_k_AssertionError, sizeof(__pyx_k_AssertionError), 0, 0, 1, 1},
+    {&__pyx_kp_s_Buffer_view_does_not_expose_stri, __pyx_k_Buffer_view_does_not_expose_stri, sizeof(__pyx_k_Buffer_view_does_not_expose_stri), 0, 0, 1, 0},
+    {&__pyx_kp_s_Can_only_create_a_buffer_that_is, __pyx_k_Can_only_create_a_buffer_that_is, sizeof(__pyx_k_Can_only_create_a_buffer_that_is), 0, 0, 1, 0},
+    {&__pyx_kp_s_Cannot_assign_to_read_only_memor, __pyx_k_Cannot_assign_to_read_only_memor, sizeof(__pyx_k_Cannot_assign_to_read_only_memor), 0, 0, 1, 0},
+    {&__pyx_kp_s_Cannot_create_writable_memory_vi, __pyx_k_Cannot_create_writable_memory_vi, sizeof(__pyx_k_Cannot_create_writable_memory_vi), 0, 0, 1, 0},
+    {&__pyx_kp_u_Cannot_index_with_type, __pyx_k_Cannot_index_with_type, sizeof(__pyx_k_Cannot_index_with_type), 0, 1, 0, 0},
+    {&__pyx_kp_s_Cannot_transpose_memoryview_with, __pyx_k_Cannot_transpose_memoryview_with, sizeof(__pyx_k_Cannot_transpose_memoryview_with), 0, 0, 1, 0},
+    {&__pyx_kp_s_Dimension_d_is_not_direct, __pyx_k_Dimension_d_is_not_direct, sizeof(__pyx_k_Dimension_d_is_not_direct), 0, 0, 1, 0},
+    {&__pyx_n_s_Ellipsis, __pyx_k_Ellipsis, sizeof(__pyx_k_Ellipsis), 0, 0, 1, 1},
+    {&__pyx_kp_s_Empty_shape_tuple_for_cython_arr, __pyx_k_Empty_shape_tuple_for_cython_arr, sizeof(__pyx_k_Empty_shape_tuple_for_cython_arr), 0, 0, 1, 0},
+    {&__pyx_kp_s_Incompatible_checksums_0x_x_vs_0, __pyx_k_Incompatible_checksums_0x_x_vs_0, sizeof(__pyx_k_Incompatible_checksums_0x_x_vs_0), 0, 0, 1, 0},
+    {&__pyx_n_s_IndexError, __pyx_k_IndexError, sizeof(__pyx_k_IndexError), 0, 0, 1, 1},
+    {&__pyx_kp_s_Index_out_of_bounds_axis_d, __pyx_k_Index_out_of_bounds_axis_d, sizeof(__pyx_k_Index_out_of_bounds_axis_d), 0, 0, 1, 0},
+    {&__pyx_kp_s_Indirect_dimensions_not_supporte, __pyx_k_Indirect_dimensions_not_supporte, sizeof(__pyx_k_Indirect_dimensions_not_supporte), 0, 0, 1, 0},
+    {&__pyx_kp_u_Invalid_mode_expected_c_or_fortr, __pyx_k_Invalid_mode_expected_c_or_fortr, sizeof(__pyx_k_Invalid_mode_expected_c_or_fortr), 0, 1, 0, 0},
+    {&__pyx_kp_u_Invalid_shape_in_axis, __pyx_k_Invalid_shape_in_axis, sizeof(__pyx_k_Invalid_shape_in_axis), 0, 1, 0, 0},
+    {&__pyx_n_s_MemoryError, __pyx_k_MemoryError, sizeof(__pyx_k_MemoryError), 0, 0, 1, 1},
+    {&__pyx_kp_s_MemoryView_of_r_at_0x_x, __pyx_k_MemoryView_of_r_at_0x_x, sizeof(__pyx_k_MemoryView_of_r_at_0x_x), 0, 0, 1, 0},
+    {&__pyx_kp_s_MemoryView_of_r_object, __pyx_k_MemoryView_of_r_object, sizeof(__pyx_k_MemoryView_of_r_object), 0, 0, 1, 0},
+    {&__pyx_n_b_O, __pyx_k_O, sizeof(__pyx_k_O), 0, 0, 0, 1},
+    {&__pyx_kp_u_Out_of_bounds_on_buffer_access_a, __pyx_k_Out_of_bounds_on_buffer_access_a, sizeof(__pyx_k_Out_of_bounds_on_buffer_access_a), 0, 1, 0, 0},
+    {&__pyx_n_s_PickleError, __pyx_k_PickleError, sizeof(__pyx_k_PickleError), 0, 0, 1, 1},
+    {&__pyx_n_s_Sequence, __pyx_k_Sequence, sizeof(__pyx_k_Sequence), 0, 0, 1, 1},
+    {&__pyx_kp_s_Step_may_not_be_zero_axis_d, __pyx_k_Step_may_not_be_zero_axis_d, sizeof(__pyx_k_Step_may_not_be_zero_axis_d), 0, 0, 1, 0},
+    {&__pyx_n_s_TypeError, __pyx_k_TypeError, sizeof(__pyx_k_TypeError), 0, 0, 1, 1},
+    {&__pyx_kp_s_Unable_to_convert_item_to_object, __pyx_k_Unable_to_convert_item_to_object, sizeof(__pyx_k_Unable_to_convert_item_to_object), 0, 0, 1, 0},
+    {&__pyx_n_s_ValueError, __pyx_k_ValueError, sizeof(__pyx_k_ValueError), 0, 0, 1, 1},
+    {&__pyx_n_s_View_MemoryView, __pyx_k_View_MemoryView, sizeof(__pyx_k_View_MemoryView), 0, 0, 1, 1},
+    {&__pyx_kp_u__2, __pyx_k__2, sizeof(__pyx_k__2), 0, 1, 0, 0},
+    {&__pyx_n_s__3, __pyx_k__3, sizeof(__pyx_k__3), 0, 0, 1, 1},
+    {&__pyx_n_s__30, __pyx_k__30, sizeof(__pyx_k__30), 0, 0, 1, 1},
+    {&__pyx_kp_u__6, __pyx_k__6, sizeof(__pyx_k__6), 0, 1, 0, 0},
+    {&__pyx_kp_u__7, __pyx_k__7, sizeof(__pyx_k__7), 0, 1, 0, 0},
+    {&__pyx_n_s_a, __pyx_k_a, sizeof(__pyx_k_a), 0, 0, 1, 1},
+    {&__pyx_n_s_abc, __pyx_k_abc, sizeof(__pyx_k_abc), 0, 0, 1, 1},
+    {&__pyx_n_s_allocate_buffer, __pyx_k_allocate_buffer, sizeof(__pyx_k_allocate_buffer), 0, 0, 1, 1},
+    {&__pyx_kp_u_and, __pyx_k_and, sizeof(__pyx_k_and), 0, 1, 0, 0},
+    {&__pyx_n_s_any, __pyx_k_any, sizeof(__pyx_k_any), 0, 0, 1, 1},
+    {&__pyx_n_s_argmax, __pyx_k_argmax, sizeof(__pyx_k_argmax), 0, 0, 1, 1},
+    {&__pyx_n_s_asarray, __pyx_k_asarray, sizeof(__pyx_k_asarray), 0, 0, 1, 1},
+    {&__pyx_n_s_astype, __pyx_k_astype, sizeof(__pyx_k_astype), 0, 0, 1, 1},
+    {&__pyx_n_s_asyncio_coroutines, __pyx_k_asyncio_coroutines, sizeof(__pyx_k_asyncio_coroutines), 0, 0, 1, 1},
+    {&__pyx_n_s_avg, __pyx_k_avg, sizeof(__pyx_k_avg), 0, 0, 1, 1},
+    {&__pyx_n_s_axis, __pyx_k_axis, sizeof(__pyx_k_axis), 0, 0, 1, 1},
+    {&__pyx_n_s_b, __pyx_k_b, sizeof(__pyx_k_b), 0, 0, 1, 1},
+    {&__pyx_n_s_base, __pyx_k_base, sizeof(__pyx_k_base), 0, 0, 1, 1},
+    {&__pyx_n_s_c, __pyx_k_c, sizeof(__pyx_k_c), 0, 0, 1, 1},
+    {&__pyx_n_u_c, __pyx_k_c, sizeof(__pyx_k_c), 0, 1, 0, 1},
+    {&__pyx_n_s_cell, __pyx_k_cell, sizeof(__pyx_k_cell), 0, 0, 1, 1},
+    {&__pyx_n_s_class, __pyx_k_class, sizeof(__pyx_k_class), 0, 0, 1, 1},
+    {&__pyx_n_s_class_getitem, __pyx_k_class_getitem, sizeof(__pyx_k_class_getitem), 0, 0, 1, 1},
+    {&__pyx_n_s_cline_in_traceback, __pyx_k_cline_in_traceback, sizeof(__pyx_k_cline_in_traceback), 0, 0, 1, 1},
+    {&__pyx_n_s_col, __pyx_k_col, sizeof(__pyx_k_col), 0, 0, 1, 1},
+    {&__pyx_n_s_col1, __pyx_k_col1, sizeof(__pyx_k_col1), 0, 0, 1, 1},
+    {&__pyx_n_s_col2, __pyx_k_col2, sizeof(__pyx_k_col2), 0, 0, 1, 1},
+    {&__pyx_n_s_collections, __pyx_k_collections, sizeof(__pyx_k_collections), 0, 0, 1, 1},
+    {&__pyx_kp_s_collections_abc, __pyx_k_collections_abc, sizeof(__pyx_k_collections_abc), 0, 0, 1, 0},
+    {&__pyx_n_s_cond, __pyx_k_cond, sizeof(__pyx_k_cond), 0, 0, 1, 1},
+    {&__pyx_kp_s_contiguous_and_direct, __pyx_k_contiguous_and_direct, sizeof(__pyx_k_contiguous_and_direct), 0, 0, 1, 0},
+    {&__pyx_kp_s_contiguous_and_indirect, __pyx_k_contiguous_and_indirect, sizeof(__pyx_k_contiguous_and_indirect), 0, 0, 1, 0},
+    {&__pyx_n_s_count, __pyx_k_count, sizeof(__pyx_k_count), 0, 0, 1, 1},
+    {&__pyx_n_s_data, __pyx_k_data, sizeof(__pyx_k_data), 0, 0, 1, 1},
+    {&__pyx_n_s_densify, __pyx_k_densify, sizeof(__pyx_k_densify), 0, 0, 1, 1},
+    {&__pyx_n_s_dict, __pyx_k_dict, sizeof(__pyx_k_dict), 0, 0, 1, 1},
+    {&__pyx_n_s_dim, __pyx_k_dim, sizeof(__pyx_k_dim), 0, 0, 1, 1},
+    {&__pyx_kp_u_disable, __pyx_k_disable, sizeof(__pyx_k_disable), 0, 1, 0, 0},
+    {&__pyx_n_s_dtype, __pyx_k_dtype, sizeof(__pyx_k_dtype), 0, 0, 1, 1},
+    {&__pyx_n_s_dtype_is_object, __pyx_k_dtype_is_object, sizeof(__pyx_k_dtype_is_object), 0, 0, 1, 1},
+    {&__pyx_n_s_elem, __pyx_k_elem, sizeof(__pyx_k_elem), 0, 0, 1, 1},
+    {&__pyx_kp_u_enable, __pyx_k_enable, sizeof(__pyx_k_enable), 0, 1, 0, 0},
+    {&__pyx_n_s_encode, __pyx_k_encode, sizeof(__pyx_k_encode), 0, 0, 1, 1},
+    {&__pyx_n_s_enumerate, __pyx_k_enumerate, sizeof(__pyx_k_enumerate), 0, 0, 1, 1},
+    {&__pyx_n_s_error, __pyx_k_error, sizeof(__pyx_k_error), 0, 0, 1, 1},
+    {&__pyx_kp_s_fastXPCS_cython_fxpcs_sparse_pyx, __pyx_k_fastXPCS_cython_fxpcs_sparse_pyx, sizeof(__pyx_k_fastXPCS_cython_fxpcs_sparse_pyx), 0, 0, 1, 0},
+    {&__pyx_n_s_flags, __pyx_k_flags, sizeof(__pyx_k_flags), 0, 0, 1, 1},
+    {&__pyx_n_s_float32, __pyx_k_float32, sizeof(__pyx_k_float32), 0, 0, 1, 1},
+    {&__pyx_n_s_format, __pyx_k_format, sizeof(__pyx_k_format), 0, 0, 1, 1},
+    {&__pyx_n_s_fortran, __pyx_k_fortran, sizeof(__pyx_k_fortran), 0, 0, 1, 1},
+    {&__pyx_n_u_fortran, __pyx_k_fortran, sizeof(__pyx_k_fortran), 0, 1, 0, 1},
+    {&__pyx_n_s_fxpcs_sparse, __pyx_k_fxpcs_sparse, sizeof(__pyx_k_fxpcs_sparse), 0, 0, 1, 1},
+    {&__pyx_kp_u_gc, __pyx_k_gc, sizeof(__pyx_k_gc), 0, 1, 0, 0},
+    {&__pyx_n_s_getstate, __pyx_k_getstate, sizeof(__pyx_k_getstate), 0, 0, 1, 1},
+    {&__pyx_kp_u_got, __pyx_k_got, sizeof(__pyx_k_got), 0, 1, 0, 0},
+    {&__pyx_kp_u_got_differing_extents_in_dimensi, __pyx_k_got_differing_extents_in_dimensi, sizeof(__pyx_k_got_differing_extents_in_dimensi), 0, 1, 0, 0},
+    {&__pyx_n_s_i, __pyx_k_i, sizeof(__pyx_k_i), 0, 0, 1, 1},
+    {&__pyx_n_s_id, __pyx_k_id, sizeof(__pyx_k_id), 0, 0, 1, 1},
+    {&__pyx_n_s_idx, __pyx_k_idx, sizeof(__pyx_k_idx), 0, 0, 1, 1},
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+ */
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+ * @cython.wraparound(False)             # <<<<<<<<<<<<<<
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+  /*--- Wrapped vars code ---*/
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+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_XDECREF(__pyx_t_7);
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+}
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+}
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+#if PY_MAJOR_VERSION >= 3
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+}
+static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err) {
+    int result;
+    PyObject *exc_type;
+#if PY_VERSION_HEX >= 0x030C00A6
+    PyObject *current_exception = tstate->current_exception;
+    if (unlikely(!current_exception)) return 0;
+    exc_type = (PyObject*) Py_TYPE(current_exception);
+    if (exc_type == err) return 1;
+#else
+    exc_type = tstate->curexc_type;
+    if (exc_type == err) return 1;
+    if (unlikely(!exc_type)) return 0;
+#endif
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_INCREF(exc_type);
+    #endif
+    if (unlikely(PyTuple_Check(err))) {
+        result = __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err);
+    } else {
+        result = __Pyx_PyErr_GivenExceptionMatches(exc_type, err);
+    }
+    #if CYTHON_AVOID_BORROWED_REFS
+    Py_DECREF(exc_type);
+    #endif
+    return result;
+}
+#endif
+
+/* PyErrFetchRestore */
+#if CYTHON_FAST_THREAD_STATE
+static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
+#if PY_VERSION_HEX >= 0x030C00A6
+    PyObject *tmp_value;
+    assert(type == NULL || (value != NULL && type == (PyObject*) Py_TYPE(value)));
+    if (value) {
+        #if CYTHON_COMPILING_IN_CPYTHON
+        if (unlikely(((PyBaseExceptionObject*) value)->traceback != tb))
+        #endif
+            PyException_SetTraceback(value, tb);
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+    tmp_value = tstate->current_exception;
+    tstate->current_exception = value;
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
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+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    tmp_type = tstate->curexc_type;
+    tmp_value = tstate->curexc_value;
+    tmp_tb = tstate->curexc_traceback;
+    tstate->curexc_type = type;
+    tstate->curexc_value = value;
+    tstate->curexc_traceback = tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#endif
+}
+static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+#if PY_VERSION_HEX >= 0x030C00A6
+    PyObject* exc_value;
+    exc_value = tstate->current_exception;
+    tstate->current_exception = 0;
+    *value = exc_value;
+    *type = NULL;
+    *tb = NULL;
+    if (exc_value) {
+        *type = (PyObject*) Py_TYPE(exc_value);
+        Py_INCREF(*type);
+        #if CYTHON_COMPILING_IN_CPYTHON
+        *tb = ((PyBaseExceptionObject*) exc_value)->traceback;
+        Py_XINCREF(*tb);
+        #else
+        *tb = PyException_GetTraceback(exc_value);
+        #endif
+    }
+#else
+    *type = tstate->curexc_type;
+    *value = tstate->curexc_value;
+    *tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#endif
+}
+#endif
+
+/* PyObjectGetAttrStr */
+#if CYTHON_USE_TYPE_SLOTS
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_getattro))
+        return tp->tp_getattro(obj, attr_name);
+#if PY_MAJOR_VERSION < 3
+    if (likely(tp->tp_getattr))
+        return tp->tp_getattr(obj, PyString_AS_STRING(attr_name));
+#endif
+    return PyObject_GetAttr(obj, attr_name);
+}
+#endif
+
+/* PyObjectGetAttrStrNoError */
+#if __PYX_LIMITED_VERSION_HEX < 0x030d00A1
+static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) {
+    __Pyx_PyThreadState_declare
+    __Pyx_PyThreadState_assign
+    if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
+        __Pyx_PyErr_Clear();
+}
+#endif
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) {
+    PyObject *result;
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d00A1
+    (void) PyObject_GetOptionalAttr(obj, attr_name, &result);
+    return result;
+#else
+#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) {
+        return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1);
+    }
+#endif
+    result = __Pyx_PyObject_GetAttrStr(obj, attr_name);
+    if (unlikely(!result)) {
+        __Pyx_PyObject_GetAttrStr_ClearAttributeError();
+    }
+    return result;
+#endif
+}
+
+/* GetBuiltinName */
+static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
+    PyObject* result = __Pyx_PyObject_GetAttrStrNoError(__pyx_b, name);
+    if (unlikely(!result) && !PyErr_Occurred()) {
+        PyErr_Format(PyExc_NameError,
+#if PY_MAJOR_VERSION >= 3
+            "name '%U' is not defined", name);
+#else
+            "name '%.200s' is not defined", PyString_AS_STRING(name));
+#endif
+    }
+    return result;
+}
+
+/* TupleAndListFromArray */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE void __Pyx_copy_object_array(PyObject *const *CYTHON_RESTRICT src, PyObject** CYTHON_RESTRICT dest, Py_ssize_t length) {
+    PyObject *v;
+    Py_ssize_t i;
+    for (i = 0; i < length; i++) {
+        v = dest[i] = src[i];
+        Py_INCREF(v);
+    }
+}
+static CYTHON_INLINE PyObject *
+__Pyx_PyTuple_FromArray(PyObject *const *src, Py_ssize_t n)
+{
+    PyObject *res;
+    if (n <= 0) {
+        Py_INCREF(__pyx_empty_tuple);
+        return __pyx_empty_tuple;
+    }
+    res = PyTuple_New(n);
+    if (unlikely(res == NULL)) return NULL;
+    __Pyx_copy_object_array(src, ((PyTupleObject*)res)->ob_item, n);
+    return res;
+}
+static CYTHON_INLINE PyObject *
+__Pyx_PyList_FromArray(PyObject *const *src, Py_ssize_t n)
+{
+    PyObject *res;
+    if (n <= 0) {
+        return PyList_New(0);
+    }
+    res = PyList_New(n);
+    if (unlikely(res == NULL)) return NULL;
+    __Pyx_copy_object_array(src, ((PyListObject*)res)->ob_item, n);
+    return res;
+}
+#endif
+
+/* BytesEquals */
+static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
+    if (s1 == s2) {
+        return (equals == Py_EQ);
+    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
+        const char *ps1, *ps2;
+        Py_ssize_t length = PyBytes_GET_SIZE(s1);
+        if (length != PyBytes_GET_SIZE(s2))
+            return (equals == Py_NE);
+        ps1 = PyBytes_AS_STRING(s1);
+        ps2 = PyBytes_AS_STRING(s2);
+        if (ps1[0] != ps2[0]) {
+            return (equals == Py_NE);
+        } else if (length == 1) {
+            return (equals == Py_EQ);
+        } else {
+            int result;
+#if CYTHON_USE_UNICODE_INTERNALS && (PY_VERSION_HEX < 0x030B0000)
+            Py_hash_t hash1, hash2;
+            hash1 = ((PyBytesObject*)s1)->ob_shash;
+            hash2 = ((PyBytesObject*)s2)->ob_shash;
+            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
+                return (equals == Py_NE);
+            }
+#endif
+            result = memcmp(ps1, ps2, (size_t)length);
+            return (equals == Py_EQ) ? (result == 0) : (result != 0);
+        }
+    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
+        return (equals == Py_NE);
+    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
+        return (equals == Py_NE);
+    } else {
+        int result;
+        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
+        if (!py_result)
+            return -1;
+        result = __Pyx_PyObject_IsTrue(py_result);
+        Py_DECREF(py_result);
+        return result;
+    }
+#endif
+}
+
+/* UnicodeEquals */
+static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
+#if PY_MAJOR_VERSION < 3
+    PyObject* owned_ref = NULL;
+#endif
+    int s1_is_unicode, s2_is_unicode;
+    if (s1 == s2) {
+        goto return_eq;
+    }
+    s1_is_unicode = PyUnicode_CheckExact(s1);
+    s2_is_unicode = PyUnicode_CheckExact(s2);
+#if PY_MAJOR_VERSION < 3
+    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
+        owned_ref = PyUnicode_FromObject(s2);
+        if (unlikely(!owned_ref))
+            return -1;
+        s2 = owned_ref;
+        s2_is_unicode = 1;
+    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
+        owned_ref = PyUnicode_FromObject(s1);
+        if (unlikely(!owned_ref))
+            return -1;
+        s1 = owned_ref;
+        s1_is_unicode = 1;
+    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
+        return __Pyx_PyBytes_Equals(s1, s2, equals);
+    }
+#endif
+    if (s1_is_unicode & s2_is_unicode) {
+        Py_ssize_t length;
+        int kind;
+        void *data1, *data2;
+        if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0))
+            return -1;
+        length = __Pyx_PyUnicode_GET_LENGTH(s1);
+        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
+            goto return_ne;
+        }
+#if CYTHON_USE_UNICODE_INTERNALS
+        {
+            Py_hash_t hash1, hash2;
+        #if CYTHON_PEP393_ENABLED
+            hash1 = ((PyASCIIObject*)s1)->hash;
+            hash2 = ((PyASCIIObject*)s2)->hash;
+        #else
+            hash1 = ((PyUnicodeObject*)s1)->hash;
+            hash2 = ((PyUnicodeObject*)s2)->hash;
+        #endif
+            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
+                goto return_ne;
+            }
+        }
+#endif
+        kind = __Pyx_PyUnicode_KIND(s1);
+        if (kind != __Pyx_PyUnicode_KIND(s2)) {
+            goto return_ne;
+        }
+        data1 = __Pyx_PyUnicode_DATA(s1);
+        data2 = __Pyx_PyUnicode_DATA(s2);
+        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
+            goto return_ne;
+        } else if (length == 1) {
+            goto return_eq;
+        } else {
+            int result = memcmp(data1, data2, (size_t)(length * kind));
+            #if PY_MAJOR_VERSION < 3
+            Py_XDECREF(owned_ref);
+            #endif
+            return (equals == Py_EQ) ? (result == 0) : (result != 0);
+        }
+    } else if ((s1 == Py_None) & s2_is_unicode) {
+        goto return_ne;
+    } else if ((s2 == Py_None) & s1_is_unicode) {
+        goto return_ne;
+    } else {
+        int result;
+        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
+        #if PY_MAJOR_VERSION < 3
+        Py_XDECREF(owned_ref);
+        #endif
+        if (!py_result)
+            return -1;
+        result = __Pyx_PyObject_IsTrue(py_result);
+        Py_DECREF(py_result);
+        return result;
+    }
+return_eq:
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(owned_ref);
+    #endif
+    return (equals == Py_EQ);
+return_ne:
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(owned_ref);
+    #endif
+    return (equals == Py_NE);
+#endif
+}
+
+/* fastcall */
+#if CYTHON_METH_FASTCALL
+static CYTHON_INLINE PyObject * __Pyx_GetKwValue_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues, PyObject *s)
+{
+    Py_ssize_t i, n = PyTuple_GET_SIZE(kwnames);
+    for (i = 0; i < n; i++)
+    {
+        if (s == PyTuple_GET_ITEM(kwnames, i)) return kwvalues[i];
+    }
+    for (i = 0; i < n; i++)
+    {
+        int eq = __Pyx_PyUnicode_Equals(s, PyTuple_GET_ITEM(kwnames, i), Py_EQ);
+        if (unlikely(eq != 0)) {
+            if (unlikely(eq < 0)) return NULL;
+            return kwvalues[i];
+        }
+    }
+    return NULL;
+}
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000
+CYTHON_UNUSED static PyObject *__Pyx_KwargsAsDict_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues) {
+    Py_ssize_t i, nkwargs = PyTuple_GET_SIZE(kwnames);
+    PyObject *dict;
+    dict = PyDict_New();
+    if (unlikely(!dict))
+        return NULL;
+    for (i=0; i<nkwargs; i++) {
+        PyObject *key = PyTuple_GET_ITEM(kwnames, i);
+        if (unlikely(PyDict_SetItem(dict, key, kwvalues[i]) < 0))
+            goto bad;
+    }
+    return dict;
+bad:
+    Py_DECREF(dict);
+    return NULL;
+}
+#endif
+#endif
+
+/* RaiseArgTupleInvalid */
+static void __Pyx_RaiseArgtupleInvalid(
+    const char* func_name,
+    int exact,
+    Py_ssize_t num_min,
+    Py_ssize_t num_max,
+    Py_ssize_t num_found)
+{
+    Py_ssize_t num_expected;
+    const char *more_or_less;
+    if (num_found < num_min) {
+        num_expected = num_min;
+        more_or_less = "at least";
+    } else {
+        num_expected = num_max;
+        more_or_less = "at most";
+    }
+    if (exact) {
+        more_or_less = "exactly";
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                 func_name, more_or_less, num_expected,
+                 (num_expected == 1) ? "" : "s", num_found);
+}
+
+/* RaiseDoubleKeywords */
+static void __Pyx_RaiseDoubleKeywordsError(
+    const char* func_name,
+    PyObject* kw_name)
+{
+    PyErr_Format(PyExc_TypeError,
+        #if PY_MAJOR_VERSION >= 3
+        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
+        #else
+        "%s() got multiple values for keyword argument '%s'", func_name,
+        PyString_AsString(kw_name));
+        #endif
+}
+
+/* ParseKeywords */
+static int __Pyx_ParseOptionalKeywords(
+    PyObject *kwds,
+    PyObject *const *kwvalues,
+    PyObject **argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    const char* function_name)
+{
+    PyObject *key = 0, *value = 0;
+    Py_ssize_t pos = 0;
+    PyObject*** name;
+    PyObject*** first_kw_arg = argnames + num_pos_args;
+    int kwds_is_tuple = CYTHON_METH_FASTCALL && likely(PyTuple_Check(kwds));
+    while (1) {
+        Py_XDECREF(key); key = NULL;
+        Py_XDECREF(value); value = NULL;
+        if (kwds_is_tuple) {
+            Py_ssize_t size;
+#if CYTHON_ASSUME_SAFE_MACROS
+            size = PyTuple_GET_SIZE(kwds);
+#else
+            size = PyTuple_Size(kwds);
+            if (size < 0) goto bad;
+#endif
+            if (pos >= size) break;
+#if CYTHON_AVOID_BORROWED_REFS
+            key = __Pyx_PySequence_ITEM(kwds, pos);
+            if (!key) goto bad;
+#elif CYTHON_ASSUME_SAFE_MACROS
+            key = PyTuple_GET_ITEM(kwds, pos);
+#else
+            key = PyTuple_GetItem(kwds, pos);
+            if (!key) goto bad;
+#endif
+            value = kwvalues[pos];
+            pos++;
+        }
+        else
+        {
+            if (!PyDict_Next(kwds, &pos, &key, &value)) break;
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_INCREF(key);
+#endif
+        }
+        name = first_kw_arg;
+        while (*name && (**name != key)) name++;
+        if (*name) {
+            values[name-argnames] = value;
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_INCREF(value);
+            Py_DECREF(key);
+#endif
+            key = NULL;
+            value = NULL;
+            continue;
+        }
+#if !CYTHON_AVOID_BORROWED_REFS
+        Py_INCREF(key);
+#endif
+        Py_INCREF(value);
+        name = first_kw_arg;
+        #if PY_MAJOR_VERSION < 3
+        if (likely(PyString_Check(key))) {
+            while (*name) {
+                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
+                        && _PyString_Eq(**name, key)) {
+                    values[name-argnames] = value;
+#if CYTHON_AVOID_BORROWED_REFS
+                    value = NULL;
+#endif
+                    break;
+                }
+                name++;
+            }
+            if (*name) continue;
+            else {
+                PyObject*** argname = argnames;
+                while (argname != first_kw_arg) {
+                    if ((**argname == key) || (
+                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
+                             && _PyString_Eq(**argname, key))) {
+                        goto arg_passed_twice;
+                    }
+                    argname++;
+                }
+            }
+        } else
+        #endif
+        if (likely(PyUnicode_Check(key))) {
+            while (*name) {
+                int cmp = (
+                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
+                    (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
+                #endif
+                    PyUnicode_Compare(**name, key)
+                );
+                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
+                if (cmp == 0) {
+                    values[name-argnames] = value;
+#if CYTHON_AVOID_BORROWED_REFS
+                    value = NULL;
+#endif
+                    break;
+                }
+                name++;
+            }
+            if (*name) continue;
+            else {
+                PyObject*** argname = argnames;
+                while (argname != first_kw_arg) {
+                    int cmp = (**argname == key) ? 0 :
+                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
+                        (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
+                    #endif
+                        PyUnicode_Compare(**argname, key);
+                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
+                    if (cmp == 0) goto arg_passed_twice;
+                    argname++;
+                }
+            }
+        } else
+            goto invalid_keyword_type;
+        if (kwds2) {
+            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
+        } else {
+            goto invalid_keyword;
+        }
+    }
+    Py_XDECREF(key);
+    Py_XDECREF(value);
+    return 0;
+arg_passed_twice:
+    __Pyx_RaiseDoubleKeywordsError(function_name, key);
+    goto bad;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() keywords must be strings", function_name);
+    goto bad;
+invalid_keyword:
+    #if PY_MAJOR_VERSION < 3
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() got an unexpected keyword argument '%.200s'",
+        function_name, PyString_AsString(key));
+    #else
+    PyErr_Format(PyExc_TypeError,
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+bad:
+    Py_XDECREF(key);
+    Py_XDECREF(value);
+    return -1;
+}
+
+/* ArgTypeTest */
+static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact)
+{
+    __Pyx_TypeName type_name;
+    __Pyx_TypeName obj_type_name;
+    if (unlikely(!type)) {
+        PyErr_SetString(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    else if (exact) {
+        #if PY_MAJOR_VERSION == 2
+        if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1;
+        #endif
+    }
+    else {
+        if (likely(__Pyx_TypeCheck(obj, type))) return 1;
+    }
+    type_name = __Pyx_PyType_GetName(type);
+    obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    PyErr_Format(PyExc_TypeError,
+        "Argument '%.200s' has incorrect type (expected " __Pyx_FMT_TYPENAME
+        ", got " __Pyx_FMT_TYPENAME ")", name, type_name, obj_type_name);
+    __Pyx_DECREF_TypeName(type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
+    return 0;
+}
+
+/* RaiseException */
+#if PY_MAJOR_VERSION < 3
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    __Pyx_PyThreadState_declare
+    CYTHON_UNUSED_VAR(cause);
+    Py_XINCREF(type);
+    if (!value || value == Py_None)
+        value = NULL;
+    else
+        Py_INCREF(value);
+    if (!tb || tb == Py_None)
+        tb = NULL;
+    else {
+        Py_INCREF(tb);
+        if (!PyTraceBack_Check(tb)) {
+            PyErr_SetString(PyExc_TypeError,
+                "raise: arg 3 must be a traceback or None");
+            goto raise_error;
+        }
+    }
+    if (PyType_Check(type)) {
+#if CYTHON_COMPILING_IN_PYPY
+        if (!value) {
+            Py_INCREF(Py_None);
+            value = Py_None;
+        }
+#endif
+        PyErr_NormalizeException(&type, &value, &tb);
+    } else {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto raise_error;
+        }
+        value = type;
+        type = (PyObject*) Py_TYPE(type);
+        Py_INCREF(type);
+        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
+            PyErr_SetString(PyExc_TypeError,
+                "raise: exception class must be a subclass of BaseException");
+            goto raise_error;
+        }
+    }
+    __Pyx_PyThreadState_assign
+    __Pyx_ErrRestore(type, value, tb);
+    return;
+raise_error:
+    Py_XDECREF(value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+    return;
+}
+#else
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    PyObject* owned_instance = NULL;
+    if (tb == Py_None) {
+        tb = 0;
+    } else if (tb && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto bad;
+    }
+    if (value == Py_None)
+        value = 0;
+    if (PyExceptionInstance_Check(type)) {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto bad;
+        }
+        value = type;
+        type = (PyObject*) Py_TYPE(value);
+    } else if (PyExceptionClass_Check(type)) {
+        PyObject *instance_class = NULL;
+        if (value && PyExceptionInstance_Check(value)) {
+            instance_class = (PyObject*) Py_TYPE(value);
+            if (instance_class != type) {
+                int is_subclass = PyObject_IsSubclass(instance_class, type);
+                if (!is_subclass) {
+                    instance_class = NULL;
+                } else if (unlikely(is_subclass == -1)) {
+                    goto bad;
+                } else {
+                    type = instance_class;
+                }
+            }
+        }
+        if (!instance_class) {
+            PyObject *args;
+            if (!value)
+                args = PyTuple_New(0);
+            else if (PyTuple_Check(value)) {
+                Py_INCREF(value);
+                args = value;
+            } else
+                args = PyTuple_Pack(1, value);
+            if (!args)
+                goto bad;
+            owned_instance = PyObject_Call(type, args, NULL);
+            Py_DECREF(args);
+            if (!owned_instance)
+                goto bad;
+            value = owned_instance;
+            if (!PyExceptionInstance_Check(value)) {
+                PyErr_Format(PyExc_TypeError,
+                             "calling %R should have returned an instance of "
+                             "BaseException, not %R",
+                             type, Py_TYPE(value));
+                goto bad;
+            }
+        }
+    } else {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: exception class must be a subclass of BaseException");
+        goto bad;
+    }
+    if (cause) {
+        PyObject *fixed_cause;
+        if (cause == Py_None) {
+            fixed_cause = NULL;
+        } else if (PyExceptionClass_Check(cause)) {
+            fixed_cause = PyObject_CallObject(cause, NULL);
+            if (fixed_cause == NULL)
+                goto bad;
+        } else if (PyExceptionInstance_Check(cause)) {
+            fixed_cause = cause;
+            Py_INCREF(fixed_cause);
+        } else {
+            PyErr_SetString(PyExc_TypeError,
+                            "exception causes must derive from "
+                            "BaseException");
+            goto bad;
+        }
+        PyException_SetCause(value, fixed_cause);
+    }
+    PyErr_SetObject(type, value);
+    if (tb) {
+      #if PY_VERSION_HEX >= 0x030C00A6
+        PyException_SetTraceback(value, tb);
+      #elif CYTHON_FAST_THREAD_STATE
+        PyThreadState *tstate = __Pyx_PyThreadState_Current;
+        PyObject* tmp_tb = tstate->curexc_traceback;
+        if (tb != tmp_tb) {
+            Py_INCREF(tb);
+            tstate->curexc_traceback = tb;
+            Py_XDECREF(tmp_tb);
+        }
+#else
+        PyObject *tmp_type, *tmp_value, *tmp_tb;
+        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
+        Py_INCREF(tb);
+        PyErr_Restore(tmp_type, tmp_value, tb);
+        Py_XDECREF(tmp_tb);
+#endif
+    }
+bad:
+    Py_XDECREF(owned_instance);
+    return;
+}
+#endif
+
+/* PyFunctionFastCall */
+#if CYTHON_FAST_PYCALL && !CYTHON_VECTORCALL
+static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
+                                               PyObject *globals) {
+    PyFrameObject *f;
+    PyThreadState *tstate = __Pyx_PyThreadState_Current;
+    PyObject **fastlocals;
+    Py_ssize_t i;
+    PyObject *result;
+    assert(globals != NULL);
+    /* XXX Perhaps we should create a specialized
+       PyFrame_New() that doesn't take locals, but does
+       take builtins without sanity checking them.
+       */
+    assert(tstate != NULL);
+    f = PyFrame_New(tstate, co, globals, NULL);
+    if (f == NULL) {
+        return NULL;
+    }
+    fastlocals = __Pyx_PyFrame_GetLocalsplus(f);
+    for (i = 0; i < na; i++) {
+        Py_INCREF(*args);
+        fastlocals[i] = *args++;
+    }
+    result = PyEval_EvalFrameEx(f,0);
+    ++tstate->recursion_depth;
+    Py_DECREF(f);
+    --tstate->recursion_depth;
+    return result;
+}
+static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) {
+    PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
+    PyObject *globals = PyFunction_GET_GLOBALS(func);
+    PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
+    PyObject *closure;
+#if PY_MAJOR_VERSION >= 3
+    PyObject *kwdefs;
+#endif
+    PyObject *kwtuple, **k;
+    PyObject **d;
+    Py_ssize_t nd;
+    Py_ssize_t nk;
+    PyObject *result;
+    assert(kwargs == NULL || PyDict_Check(kwargs));
+    nk = kwargs ? PyDict_Size(kwargs) : 0;
+    #if PY_MAJOR_VERSION < 3
+    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) {
+        return NULL;
+    }
+    #else
+    if (unlikely(Py_EnterRecursiveCall(" while calling a Python object"))) {
+        return NULL;
+    }
+    #endif
+    if (
+#if PY_MAJOR_VERSION >= 3
+            co->co_kwonlyargcount == 0 &&
+#endif
+            likely(kwargs == NULL || nk == 0) &&
+            co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
+        if (argdefs == NULL && co->co_argcount == nargs) {
+            result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
+            goto done;
+        }
+        else if (nargs == 0 && argdefs != NULL
+                 && co->co_argcount == Py_SIZE(argdefs)) {
+            /* function called with no arguments, but all parameters have
+               a default value: use default values as arguments .*/
+            args = &PyTuple_GET_ITEM(argdefs, 0);
+            result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
+            goto done;
+        }
+    }
+    if (kwargs != NULL) {
+        Py_ssize_t pos, i;
+        kwtuple = PyTuple_New(2 * nk);
+        if (kwtuple == NULL) {
+            result = NULL;
+            goto done;
+        }
+        k = &PyTuple_GET_ITEM(kwtuple, 0);
+        pos = i = 0;
+        while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
+            Py_INCREF(k[i]);
+            Py_INCREF(k[i+1]);
+            i += 2;
+        }
+        nk = i / 2;
+    }
+    else {
+        kwtuple = NULL;
+        k = NULL;
+    }
+    closure = PyFunction_GET_CLOSURE(func);
+#if PY_MAJOR_VERSION >= 3
+    kwdefs = PyFunction_GET_KW_DEFAULTS(func);
+#endif
+    if (argdefs != NULL) {
+        d = &PyTuple_GET_ITEM(argdefs, 0);
+        nd = Py_SIZE(argdefs);
+    }
+    else {
+        d = NULL;
+        nd = 0;
+    }
+#if PY_MAJOR_VERSION >= 3
+    result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
+                               args, (int)nargs,
+                               k, (int)nk,
+                               d, (int)nd, kwdefs, closure);
+#else
+    result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
+                               args, (int)nargs,
+                               k, (int)nk,
+                               d, (int)nd, closure);
+#endif
+    Py_XDECREF(kwtuple);
+done:
+    Py_LeaveRecursiveCall();
+    return result;
+}
+#endif
+
+/* PyObjectCall */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyObject *result;
+    ternaryfunc call = Py_TYPE(func)->tp_call;
+    if (unlikely(!call))
+        return PyObject_Call(func, arg, kw);
+    #if PY_MAJOR_VERSION < 3
+    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
+        return NULL;
+    #else
+    if (unlikely(Py_EnterRecursiveCall(" while calling a Python object")))
+        return NULL;
+    #endif
+    result = (*call)(func, arg, kw);
+    Py_LeaveRecursiveCall();
+    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
+        PyErr_SetString(
+            PyExc_SystemError,
+            "NULL result without error in PyObject_Call");
+    }
+    return result;
+}
+#endif
+
+/* PyObjectCallMethO */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
+    PyObject *self, *result;
+    PyCFunction cfunc;
+    cfunc = __Pyx_CyOrPyCFunction_GET_FUNCTION(func);
+    self = __Pyx_CyOrPyCFunction_GET_SELF(func);
+    #if PY_MAJOR_VERSION < 3
+    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
+        return NULL;
+    #else
+    if (unlikely(Py_EnterRecursiveCall(" while calling a Python object")))
+        return NULL;
+    #endif
+    result = cfunc(self, arg);
+    Py_LeaveRecursiveCall();
+    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
+        PyErr_SetString(
+            PyExc_SystemError,
+            "NULL result without error in PyObject_Call");
+    }
+    return result;
+}
+#endif
 
-  /* "View.MemoryView":316
- * 
- * DEF THREAD_LOCKS_PREALLOCATED = 8
- * cdef int __pyx_memoryview_thread_locks_used = 0             # <<<<<<<<<<<<<<
- * cdef PyThread_type_lock[THREAD_LOCKS_PREALLOCATED] __pyx_memoryview_thread_locks = [
- *     PyThread_allocate_lock(),
- */
-  __pyx_memoryview_thread_locks_used = 0;
+/* PyObjectFastCall */
+#if PY_VERSION_HEX < 0x03090000 || CYTHON_COMPILING_IN_LIMITED_API
+static PyObject* __Pyx_PyObject_FastCall_fallback(PyObject *func, PyObject **args, size_t nargs, PyObject *kwargs) {
+    PyObject *argstuple;
+    PyObject *result = 0;
+    size_t i;
+    argstuple = PyTuple_New((Py_ssize_t)nargs);
+    if (unlikely(!argstuple)) return NULL;
+    for (i = 0; i < nargs; i++) {
+        Py_INCREF(args[i]);
+        if (__Pyx_PyTuple_SET_ITEM(argstuple, (Py_ssize_t)i, args[i]) < 0) goto bad;
+    }
+    result = __Pyx_PyObject_Call(func, argstuple, kwargs);
+  bad:
+    Py_DECREF(argstuple);
+    return result;
+}
+#endif
+static CYTHON_INLINE PyObject* __Pyx_PyObject_FastCallDict(PyObject *func, PyObject **args, size_t _nargs, PyObject *kwargs) {
+    Py_ssize_t nargs = __Pyx_PyVectorcall_NARGS(_nargs);
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (nargs == 0 && kwargs == NULL) {
+        if (__Pyx_CyOrPyCFunction_Check(func) && likely( __Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_NOARGS))
+            return __Pyx_PyObject_CallMethO(func, NULL);
+    }
+    else if (nargs == 1 && kwargs == NULL) {
+        if (__Pyx_CyOrPyCFunction_Check(func) && likely( __Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_O))
+            return __Pyx_PyObject_CallMethO(func, args[0]);
+    }
+#endif
+    #if PY_VERSION_HEX < 0x030800B1
+    #if CYTHON_FAST_PYCCALL
+    if (PyCFunction_Check(func)) {
+        if (kwargs) {
+            return _PyCFunction_FastCallDict(func, args, nargs, kwargs);
+        } else {
+            return _PyCFunction_FastCallKeywords(func, args, nargs, NULL);
+        }
+    }
+    #if PY_VERSION_HEX >= 0x030700A1
+    if (!kwargs && __Pyx_IS_TYPE(func, &PyMethodDescr_Type)) {
+        return _PyMethodDescr_FastCallKeywords(func, args, nargs, NULL);
+    }
+    #endif
+    #endif
+    #if CYTHON_FAST_PYCALL
+    if (PyFunction_Check(func)) {
+        return __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs);
+    }
+    #endif
+    #endif
+    if (kwargs == NULL) {
+        #if CYTHON_VECTORCALL
+        #if PY_VERSION_HEX < 0x03090000
+        vectorcallfunc f = _PyVectorcall_Function(func);
+        #else
+        vectorcallfunc f = PyVectorcall_Function(func);
+        #endif
+        if (f) {
+            return f(func, args, (size_t)nargs, NULL);
+        }
+        #elif defined(__Pyx_CyFunction_USED) && CYTHON_BACKPORT_VECTORCALL
+        if (__Pyx_CyFunction_CheckExact(func)) {
+            __pyx_vectorcallfunc f = __Pyx_CyFunction_func_vectorcall(func);
+            if (f) return f(func, args, (size_t)nargs, NULL);
+        }
+        #endif
+    }
+    if (nargs == 0) {
+        return __Pyx_PyObject_Call(func, __pyx_empty_tuple, kwargs);
+    }
+    #if PY_VERSION_HEX >= 0x03090000 && !CYTHON_COMPILING_IN_LIMITED_API
+    return PyObject_VectorcallDict(func, args, (size_t)nargs, kwargs);
+    #else
+    return __Pyx_PyObject_FastCall_fallback(func, args, (size_t)nargs, kwargs);
+    #endif
+}
 
-  /* "View.MemoryView":317
- * DEF THREAD_LOCKS_PREALLOCATED = 8
- * cdef int __pyx_memoryview_thread_locks_used = 0
- * cdef PyThread_type_lock[THREAD_LOCKS_PREALLOCATED] __pyx_memoryview_thread_locks = [             # <<<<<<<<<<<<<<
- *     PyThread_allocate_lock(),
- *     PyThread_allocate_lock(),
- */
-  __pyx_t_2[0] = PyThread_allocate_lock();
-  __pyx_t_2[1] = PyThread_allocate_lock();
-  __pyx_t_2[2] = PyThread_allocate_lock();
-  __pyx_t_2[3] = PyThread_allocate_lock();
-  __pyx_t_2[4] = PyThread_allocate_lock();
-  __pyx_t_2[5] = PyThread_allocate_lock();
-  __pyx_t_2[6] = PyThread_allocate_lock();
-  __pyx_t_2[7] = PyThread_allocate_lock();
-  memcpy(&(__pyx_memoryview_thread_locks[0]), __pyx_t_2, sizeof(__pyx_memoryview_thread_locks[0]) * (8));
+/* RaiseUnexpectedTypeError */
+static int
+__Pyx_RaiseUnexpectedTypeError(const char *expected, PyObject *obj)
+{
+    __Pyx_TypeName obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    PyErr_Format(PyExc_TypeError, "Expected %s, got " __Pyx_FMT_TYPENAME,
+                 expected, obj_type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
+    return 0;
+}
 
-  /* "View.MemoryView":549
- *         info.obj = self
- * 
- *     __pyx_getbuffer = capsule(<void *> &__pyx_memoryview_getbuffer, "getbuffer(obj, view, flags)")             # <<<<<<<<<<<<<<
- * 
- * 
- */
-  __pyx_t_1 = __pyx_capsule_create(((void *)(&__pyx_memoryview_getbuffer)), ((char *)"getbuffer(obj, view, flags)")); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 549, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyDict_SetItem((PyObject *)__pyx_memoryview_type->tp_dict, __pyx_n_s_pyx_getbuffer, __pyx_t_1) < 0) __PYX_ERR(1, 549, __pyx_L1_error)
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  PyType_Modified(__pyx_memoryview_type);
+/* CIntToDigits */
+static const char DIGIT_PAIRS_10[2*10*10+1] = {
+    "00010203040506070809"
+    "10111213141516171819"
+    "20212223242526272829"
+    "30313233343536373839"
+    "40414243444546474849"
+    "50515253545556575859"
+    "60616263646566676869"
+    "70717273747576777879"
+    "80818283848586878889"
+    "90919293949596979899"
+};
+static const char DIGIT_PAIRS_8[2*8*8+1] = {
+    "0001020304050607"
+    "1011121314151617"
+    "2021222324252627"
+    "3031323334353637"
+    "4041424344454647"
+    "5051525354555657"
+    "6061626364656667"
+    "7071727374757677"
+};
+static const char DIGITS_HEX[2*16+1] = {
+    "0123456789abcdef"
+    "0123456789ABCDEF"
+};
 
-  /* "View.MemoryView":995
- *         return self.from_object
- * 
- *     __pyx_getbuffer = capsule(<void *> &__pyx_memoryview_getbuffer, "getbuffer(obj, view, flags)")             # <<<<<<<<<<<<<<
- * 
- * 
- */
-  __pyx_t_1 = __pyx_capsule_create(((void *)(&__pyx_memoryview_getbuffer)), ((char *)"getbuffer(obj, view, flags)")); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 995, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyDict_SetItem((PyObject *)__pyx_memoryviewslice_type->tp_dict, __pyx_n_s_pyx_getbuffer, __pyx_t_1) < 0) __PYX_ERR(1, 995, __pyx_L1_error)
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  PyType_Modified(__pyx_memoryviewslice_type);
+/* BuildPyUnicode */
+static PyObject* __Pyx_PyUnicode_BuildFromAscii(Py_ssize_t ulength, char* chars, int clength,
+                                                int prepend_sign, char padding_char) {
+    PyObject *uval;
+    Py_ssize_t uoffset = ulength - clength;
+#if CYTHON_USE_UNICODE_INTERNALS
+    Py_ssize_t i;
+#if CYTHON_PEP393_ENABLED
+    void *udata;
+    uval = PyUnicode_New(ulength, 127);
+    if (unlikely(!uval)) return NULL;
+    udata = PyUnicode_DATA(uval);
+#else
+    Py_UNICODE *udata;
+    uval = PyUnicode_FromUnicode(NULL, ulength);
+    if (unlikely(!uval)) return NULL;
+    udata = PyUnicode_AS_UNICODE(uval);
+#endif
+    if (uoffset > 0) {
+        i = 0;
+        if (prepend_sign) {
+            __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, 0, '-');
+            i++;
+        }
+        for (; i < uoffset; i++) {
+            __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, i, padding_char);
+        }
+    }
+    for (i=0; i < clength; i++) {
+        __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, uoffset+i, chars[i]);
+    }
+#else
+    {
+        PyObject *sign = NULL, *padding = NULL;
+        uval = NULL;
+        if (uoffset > 0) {
+            prepend_sign = !!prepend_sign;
+            if (uoffset > prepend_sign) {
+                padding = PyUnicode_FromOrdinal(padding_char);
+                if (likely(padding) && uoffset > prepend_sign + 1) {
+                    PyObject *tmp;
+                    PyObject *repeat = PyInt_FromSsize_t(uoffset - prepend_sign);
+                    if (unlikely(!repeat)) goto done_or_error;
+                    tmp = PyNumber_Multiply(padding, repeat);
+                    Py_DECREF(repeat);
+                    Py_DECREF(padding);
+                    padding = tmp;
+                }
+                if (unlikely(!padding)) goto done_or_error;
+            }
+            if (prepend_sign) {
+                sign = PyUnicode_FromOrdinal('-');
+                if (unlikely(!sign)) goto done_or_error;
+            }
+        }
+        uval = PyUnicode_DecodeASCII(chars, clength, NULL);
+        if (likely(uval) && padding) {
+            PyObject *tmp = PyNumber_Add(padding, uval);
+            Py_DECREF(uval);
+            uval = tmp;
+        }
+        if (likely(uval) && sign) {
+            PyObject *tmp = PyNumber_Add(sign, uval);
+            Py_DECREF(uval);
+            uval = tmp;
+        }
+done_or_error:
+        Py_XDECREF(padding);
+        Py_XDECREF(sign);
+    }
+#endif
+    return uval;
+}
 
-  /* "(tree fragment)":1
- * def __pyx_unpickle_Enum(__pyx_type, long __pyx_checksum, __pyx_state):             # <<<<<<<<<<<<<<
- *     cdef object __pyx_PickleError
- *     cdef object __pyx_result
- */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_15View_dot_MemoryView_1__pyx_unpickle_Enum, NULL, __pyx_n_s_View_MemoryView); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 1, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyDict_SetItem(__pyx_d, __pyx_n_s_pyx_unpickle_Enum, __pyx_t_1) < 0) __PYX_ERR(1, 1, __pyx_L1_error)
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+/* CIntToPyUnicode */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_int(int value, Py_ssize_t width, char padding_char, char format_char) {
+    char digits[sizeof(int)*3+2];
+    char *dpos, *end = digits + sizeof(int)*3+2;
+    const char *hex_digits = DIGITS_HEX;
+    Py_ssize_t length, ulength;
+    int prepend_sign, last_one_off;
+    int remaining;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const int neg_one = (int) -1, const_zero = (int) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (format_char == 'X') {
+        hex_digits += 16;
+        format_char = 'x';
+    }
+    remaining = value;
+    last_one_off = 0;
+    dpos = end;
+    do {
+        int digit_pos;
+        switch (format_char) {
+        case 'o':
+            digit_pos = abs((int)(remaining % (8*8)));
+            remaining = (int) (remaining / (8*8));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_8 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 8);
+            break;
+        case 'd':
+            digit_pos = abs((int)(remaining % (10*10)));
+            remaining = (int) (remaining / (10*10));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_10 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 10);
+            break;
+        case 'x':
+            *(--dpos) = hex_digits[abs((int)(remaining % 16))];
+            remaining = (int) (remaining / 16);
+            break;
+        default:
+            assert(0);
+            break;
+        }
+    } while (unlikely(remaining != 0));
+    assert(!last_one_off || *dpos == '0');
+    dpos += last_one_off;
+    length = end - dpos;
+    ulength = length;
+    prepend_sign = 0;
+    if (!is_unsigned && value <= neg_one) {
+        if (padding_char == ' ' || width <= length + 1) {
+            *(--dpos) = '-';
+            ++length;
+        } else {
+            prepend_sign = 1;
+        }
+        ++ulength;
+    }
+    if (width > ulength) {
+        ulength = width;
+    }
+    if (ulength == 1) {
+        return PyUnicode_FromOrdinal(*dpos);
+    }
+    return __Pyx_PyUnicode_BuildFromAscii(ulength, dpos, (int) length, prepend_sign, padding_char);
+}
 
-  /* "(tree fragment)":11
- *         __pyx_unpickle_Enum__set_state(<Enum> __pyx_result, __pyx_state)
- *     return __pyx_result
- * cdef __pyx_unpickle_Enum__set_state(Enum __pyx_result, tuple __pyx_state):             # <<<<<<<<<<<<<<
- *     __pyx_result.name = __pyx_state[0]
- *     if len(__pyx_state) > 1 and hasattr(__pyx_result, '__dict__'):
- */
+/* CIntToPyUnicode */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_Py_ssize_t(Py_ssize_t value, Py_ssize_t width, char padding_char, char format_char) {
+    char digits[sizeof(Py_ssize_t)*3+2];
+    char *dpos, *end = digits + sizeof(Py_ssize_t)*3+2;
+    const char *hex_digits = DIGITS_HEX;
+    Py_ssize_t length, ulength;
+    int prepend_sign, last_one_off;
+    Py_ssize_t remaining;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+    const Py_ssize_t neg_one = (Py_ssize_t) -1, const_zero = (Py_ssize_t) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (format_char == 'X') {
+        hex_digits += 16;
+        format_char = 'x';
+    }
+    remaining = value;
+    last_one_off = 0;
+    dpos = end;
+    do {
+        int digit_pos;
+        switch (format_char) {
+        case 'o':
+            digit_pos = abs((int)(remaining % (8*8)));
+            remaining = (Py_ssize_t) (remaining / (8*8));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_8 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 8);
+            break;
+        case 'd':
+            digit_pos = abs((int)(remaining % (10*10)));
+            remaining = (Py_ssize_t) (remaining / (10*10));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_10 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 10);
+            break;
+        case 'x':
+            *(--dpos) = hex_digits[abs((int)(remaining % 16))];
+            remaining = (Py_ssize_t) (remaining / 16);
+            break;
+        default:
+            assert(0);
+            break;
+        }
+    } while (unlikely(remaining != 0));
+    assert(!last_one_off || *dpos == '0');
+    dpos += last_one_off;
+    length = end - dpos;
+    ulength = length;
+    prepend_sign = 0;
+    if (!is_unsigned && value <= neg_one) {
+        if (padding_char == ' ' || width <= length + 1) {
+            *(--dpos) = '-';
+            ++length;
+        } else {
+            prepend_sign = 1;
+        }
+        ++ulength;
+    }
+    if (width > ulength) {
+        ulength = width;
+    }
+    if (ulength == 1) {
+        return PyUnicode_FromOrdinal(*dpos);
+    }
+    return __Pyx_PyUnicode_BuildFromAscii(ulength, dpos, (int) length, prepend_sign, padding_char);
+}
+
+/* JoinPyUnicode */
+static PyObject* __Pyx_PyUnicode_Join(PyObject* value_tuple, Py_ssize_t value_count, Py_ssize_t result_ulength,
+                                      Py_UCS4 max_char) {
+#if CYTHON_USE_UNICODE_INTERNALS && CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    PyObject *result_uval;
+    int result_ukind, kind_shift;
+    Py_ssize_t i, char_pos;
+    void *result_udata;
+    CYTHON_MAYBE_UNUSED_VAR(max_char);
+#if CYTHON_PEP393_ENABLED
+    result_uval = PyUnicode_New(result_ulength, max_char);
+    if (unlikely(!result_uval)) return NULL;
+    result_ukind = (max_char <= 255) ? PyUnicode_1BYTE_KIND : (max_char <= 65535) ? PyUnicode_2BYTE_KIND : PyUnicode_4BYTE_KIND;
+    kind_shift = (result_ukind == PyUnicode_4BYTE_KIND) ? 2 : result_ukind - 1;
+    result_udata = PyUnicode_DATA(result_uval);
+#else
+    result_uval = PyUnicode_FromUnicode(NULL, result_ulength);
+    if (unlikely(!result_uval)) return NULL;
+    result_ukind = sizeof(Py_UNICODE);
+    kind_shift = (result_ukind == 4) ? 2 : result_ukind - 1;
+    result_udata = PyUnicode_AS_UNICODE(result_uval);
+#endif
+    assert(kind_shift == 2 || kind_shift == 1 || kind_shift == 0);
+    char_pos = 0;
+    for (i=0; i < value_count; i++) {
+        int ukind;
+        Py_ssize_t ulength;
+        void *udata;
+        PyObject *uval = PyTuple_GET_ITEM(value_tuple, i);
+        if (unlikely(__Pyx_PyUnicode_READY(uval)))
+            goto bad;
+        ulength = __Pyx_PyUnicode_GET_LENGTH(uval);
+        if (unlikely(!ulength))
+            continue;
+        if (unlikely((PY_SSIZE_T_MAX >> kind_shift) - ulength < char_pos))
+            goto overflow;
+        ukind = __Pyx_PyUnicode_KIND(uval);
+        udata = __Pyx_PyUnicode_DATA(uval);
+        if (!CYTHON_PEP393_ENABLED || ukind == result_ukind) {
+            memcpy((char *)result_udata + (char_pos << kind_shift), udata, (size_t) (ulength << kind_shift));
+        } else {
+            #if PY_VERSION_HEX >= 0x030d0000
+            if (unlikely(PyUnicode_CopyCharacters(result_uval, char_pos, uval, 0, ulength) < 0)) goto bad;
+            #elif CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030300F0 || defined(_PyUnicode_FastCopyCharacters)
+            _PyUnicode_FastCopyCharacters(result_uval, char_pos, uval, 0, ulength);
+            #else
+            Py_ssize_t j;
+            for (j=0; j < ulength; j++) {
+                Py_UCS4 uchar = __Pyx_PyUnicode_READ(ukind, udata, j);
+                __Pyx_PyUnicode_WRITE(result_ukind, result_udata, char_pos+j, uchar);
+            }
+            #endif
+        }
+        char_pos += ulength;
+    }
+    return result_uval;
+overflow:
+    PyErr_SetString(PyExc_OverflowError, "join() result is too long for a Python string");
+bad:
+    Py_DECREF(result_uval);
+    return NULL;
+#else
+    CYTHON_UNUSED_VAR(max_char);
+    CYTHON_UNUSED_VAR(result_ulength);
+    CYTHON_UNUSED_VAR(value_count);
+    return PyUnicode_Join(__pyx_empty_unicode, value_tuple);
+#endif
+}
 
-  /*--- Wrapped vars code ---*/
+/* GetAttr */
+static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) {
+#if CYTHON_USE_TYPE_SLOTS
+#if PY_MAJOR_VERSION >= 3
+    if (likely(PyUnicode_Check(n)))
+#else
+    if (likely(PyString_Check(n)))
+#endif
+        return __Pyx_PyObject_GetAttrStr(o, n);
+#endif
+    return PyObject_GetAttr(o, n);
+}
 
-  goto __pyx_L0;
-  __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_1);
-  if (__pyx_m) {
-    if (__pyx_d) {
-      __Pyx_AddTraceback("init fxpcs_sparse", __pyx_clineno, __pyx_lineno, __pyx_filename);
+/* GetItemInt */
+static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
+    PyObject *r;
+    if (unlikely(!j)) return NULL;
+    r = PyObject_GetItem(o, j);
+    Py_DECREF(j);
+    return r;
+}
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
+                                                              CYTHON_NCP_UNUSED int wraparound,
+                                                              CYTHON_NCP_UNUSED int boundscheck) {
+#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    Py_ssize_t wrapped_i = i;
+    if (wraparound & unlikely(i < 0)) {
+        wrapped_i += PyList_GET_SIZE(o);
+    }
+    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) {
+        PyObject *r = PyList_GET_ITEM(o, wrapped_i);
+        Py_INCREF(r);
+        return r;
+    }
+    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
+}
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
+                                                              CYTHON_NCP_UNUSED int wraparound,
+                                                              CYTHON_NCP_UNUSED int boundscheck) {
+#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    Py_ssize_t wrapped_i = i;
+    if (wraparound & unlikely(i < 0)) {
+        wrapped_i += PyTuple_GET_SIZE(o);
+    }
+    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) {
+        PyObject *r = PyTuple_GET_ITEM(o, wrapped_i);
+        Py_INCREF(r);
+        return r;
+    }
+    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
+}
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
+                                                     CYTHON_NCP_UNUSED int wraparound,
+                                                     CYTHON_NCP_UNUSED int boundscheck) {
+#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
+    if (is_list || PyList_CheckExact(o)) {
+        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
+        if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) {
+            PyObject *r = PyList_GET_ITEM(o, n);
+            Py_INCREF(r);
+            return r;
+        }
+    }
+    else if (PyTuple_CheckExact(o)) {
+        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
+        if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) {
+            PyObject *r = PyTuple_GET_ITEM(o, n);
+            Py_INCREF(r);
+            return r;
+        }
+    } else {
+        PyMappingMethods *mm = Py_TYPE(o)->tp_as_mapping;
+        PySequenceMethods *sm = Py_TYPE(o)->tp_as_sequence;
+        if (mm && mm->mp_subscript) {
+            PyObject *r, *key = PyInt_FromSsize_t(i);
+            if (unlikely(!key)) return NULL;
+            r = mm->mp_subscript(o, key);
+            Py_DECREF(key);
+            return r;
+        }
+        if (likely(sm && sm->sq_item)) {
+            if (wraparound && unlikely(i < 0) && likely(sm->sq_length)) {
+                Py_ssize_t l = sm->sq_length(o);
+                if (likely(l >= 0)) {
+                    i += l;
+                } else {
+                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
+                        return NULL;
+                    PyErr_Clear();
+                }
+            }
+            return sm->sq_item(o, i);
+        }
     }
-    Py_CLEAR(__pyx_m);
-  } else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_ImportError, "init fxpcs_sparse");
-  }
-  __pyx_L0:;
-  __Pyx_RefNannyFinishContext();
-  #if CYTHON_PEP489_MULTI_PHASE_INIT
-  return (__pyx_m != NULL) ? 0 : -1;
-  #elif PY_MAJOR_VERSION >= 3
-  return __pyx_m;
-  #else
-  return;
-  #endif
+#else
+    if (is_list || !PyMapping_Check(o)) {
+        return PySequence_GetItem(o, i);
+    }
+#endif
+    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
 }
 
-/* --- Runtime support code --- */
-/* Refnanny */
-#if CYTHON_REFNANNY
-static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
-    PyObject *m = NULL, *p = NULL;
-    void *r = NULL;
-    m = PyImport_ImportModule(modname);
-    if (!m) goto end;
-    p = PyObject_GetAttrString(m, "RefNannyAPI");
-    if (!p) goto end;
-    r = PyLong_AsVoidPtr(p);
-end:
-    Py_XDECREF(p);
-    Py_XDECREF(m);
-    return (__Pyx_RefNannyAPIStruct *)r;
+/* PyObjectCallOneArg */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
+    PyObject *args[2] = {NULL, arg};
+    return __Pyx_PyObject_FastCall(func, args+1, 1 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET);
 }
-#endif
 
-/* PyObjectGetAttrStr */
+/* ObjectGetItem */
 #if CYTHON_USE_TYPE_SLOTS
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
-    PyTypeObject* tp = Py_TYPE(obj);
-    if (likely(tp->tp_getattro))
-        return tp->tp_getattro(obj, attr_name);
-#if PY_MAJOR_VERSION < 3
-    if (likely(tp->tp_getattr))
-        return tp->tp_getattr(obj, PyString_AS_STRING(attr_name));
-#endif
-    return PyObject_GetAttr(obj, attr_name);
+static PyObject *__Pyx_PyObject_GetIndex(PyObject *obj, PyObject *index) {
+    PyObject *runerr = NULL;
+    Py_ssize_t key_value;
+    key_value = __Pyx_PyIndex_AsSsize_t(index);
+    if (likely(key_value != -1 || !(runerr = PyErr_Occurred()))) {
+        return __Pyx_GetItemInt_Fast(obj, key_value, 0, 1, 1);
+    }
+    if (PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) {
+        __Pyx_TypeName index_type_name = __Pyx_PyType_GetName(Py_TYPE(index));
+        PyErr_Clear();
+        PyErr_Format(PyExc_IndexError,
+            "cannot fit '" __Pyx_FMT_TYPENAME "' into an index-sized integer", index_type_name);
+        __Pyx_DECREF_TypeName(index_type_name);
+    }
+    return NULL;
+}
+static PyObject *__Pyx_PyObject_GetItem_Slow(PyObject *obj, PyObject *key) {
+    __Pyx_TypeName obj_type_name;
+    if (likely(PyType_Check(obj))) {
+        PyObject *meth = __Pyx_PyObject_GetAttrStrNoError(obj, __pyx_n_s_class_getitem);
+        if (!meth) {
+            PyErr_Clear();
+        } else {
+            PyObject *result = __Pyx_PyObject_CallOneArg(meth, key);
+            Py_DECREF(meth);
+            return result;
+        }
+    }
+    obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    PyErr_Format(PyExc_TypeError,
+        "'" __Pyx_FMT_TYPENAME "' object is not subscriptable", obj_type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
+    return NULL;
+}
+static PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject *key) {
+    PyTypeObject *tp = Py_TYPE(obj);
+    PyMappingMethods *mm = tp->tp_as_mapping;
+    PySequenceMethods *sm = tp->tp_as_sequence;
+    if (likely(mm && mm->mp_subscript)) {
+        return mm->mp_subscript(obj, key);
+    }
+    if (likely(sm && sm->sq_item)) {
+        return __Pyx_PyObject_GetIndex(obj, key);
+    }
+    return __Pyx_PyObject_GetItem_Slow(obj, key);
 }
 #endif
 
-/* GetBuiltinName */
-static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
-    PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name);
-    if (unlikely(!result)) {
-        PyErr_Format(PyExc_NameError,
-#if PY_MAJOR_VERSION >= 3
-            "name '%U' is not defined", name);
+/* KeywordStringCheck */
+static int __Pyx_CheckKeywordStrings(
+    PyObject *kw,
+    const char* function_name,
+    int kw_allowed)
+{
+    PyObject* key = 0;
+    Py_ssize_t pos = 0;
+#if CYTHON_COMPILING_IN_PYPY
+    if (!kw_allowed && PyDict_Next(kw, &pos, &key, 0))
+        goto invalid_keyword;
+    return 1;
 #else
-            "name '%.200s' is not defined", PyString_AS_STRING(name));
+    if (CYTHON_METH_FASTCALL && likely(PyTuple_Check(kw))) {
+        Py_ssize_t kwsize;
+#if CYTHON_ASSUME_SAFE_MACROS
+        kwsize = PyTuple_GET_SIZE(kw);
+#else
+        kwsize = PyTuple_Size(kw);
+        if (kwsize < 0) return 0;
+#endif
+        if (unlikely(kwsize == 0))
+            return 1;
+        if (!kw_allowed) {
+#if CYTHON_ASSUME_SAFE_MACROS
+            key = PyTuple_GET_ITEM(kw, 0);
+#else
+            key = PyTuple_GetItem(kw, pos);
+            if (!key) return 0;
+#endif
+            goto invalid_keyword;
+        }
+#if PY_VERSION_HEX < 0x03090000
+        for (pos = 0; pos < kwsize; pos++) {
+#if CYTHON_ASSUME_SAFE_MACROS
+            key = PyTuple_GET_ITEM(kw, pos);
+#else
+            key = PyTuple_GetItem(kw, pos);
+            if (!key) return 0;
+#endif
+            if (unlikely(!PyUnicode_Check(key)))
+                goto invalid_keyword_type;
+        }
 #endif
+        return 1;
     }
-    return result;
+    while (PyDict_Next(kw, &pos, &key, 0)) {
+        #if PY_MAJOR_VERSION < 3
+        if (unlikely(!PyString_Check(key)))
+        #endif
+            if (unlikely(!PyUnicode_Check(key)))
+                goto invalid_keyword_type;
+    }
+    if (!kw_allowed && unlikely(key))
+        goto invalid_keyword;
+    return 1;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() keywords must be strings", function_name);
+    return 0;
+#endif
+invalid_keyword:
+    #if PY_MAJOR_VERSION < 3
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() got an unexpected keyword argument '%.200s'",
+        function_name, PyString_AsString(key));
+    #else
+    PyErr_Format(PyExc_TypeError,
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+    return 0;
+}
+
+/* DivInt[Py_ssize_t] */
+static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t a, Py_ssize_t b) {
+    Py_ssize_t q = a / b;
+    Py_ssize_t r = a - q*b;
+    q -= ((r != 0) & ((r ^ b) < 0));
+    return q;
+}
+
+/* GetAttr3 */
+#if __PYX_LIMITED_VERSION_HEX < 0x030d00A1
+static PyObject *__Pyx_GetAttr3Default(PyObject *d) {
+    __Pyx_PyThreadState_declare
+    __Pyx_PyThreadState_assign
+    if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
+        return NULL;
+    __Pyx_PyErr_Clear();
+    Py_INCREF(d);
+    return d;
+}
+#endif
+static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) {
+    PyObject *r;
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d00A1
+    int res = PyObject_GetOptionalAttr(o, n, &r);
+    return (res != 0) ? r : __Pyx_NewRef(d);
+#else
+  #if CYTHON_USE_TYPE_SLOTS
+    if (likely(PyString_Check(n))) {
+        r = __Pyx_PyObject_GetAttrStrNoError(o, n);
+        if (unlikely(!r) && likely(!PyErr_Occurred())) {
+            r = __Pyx_NewRef(d);
+        }
+        return r;
+    }
+  #endif
+    r = PyObject_GetAttr(o, n);
+    return (likely(r)) ? r : __Pyx_GetAttr3Default(d);
+#endif
 }
 
 /* PyDictVersioning */
@@ -20063,7 +25286,7 @@ static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
 {
     PyObject *result;
 #if !CYTHON_AVOID_BORROWED_REFS
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && PY_VERSION_HEX < 0x030d0000
     result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash);
     __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
     if (likely(result)) {
@@ -20071,6 +25294,14 @@ static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
     } else if (unlikely(PyErr_Occurred())) {
         return NULL;
     }
+#elif CYTHON_COMPILING_IN_LIMITED_API
+    if (unlikely(!__pyx_m)) {
+        return NULL;
+    }
+    result = PyObject_GetAttr(__pyx_m, name);
+    if (likely(result)) {
+        return result;
+    }
 #else
     result = PyDict_GetItem(__pyx_d, name);
     __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
@@ -20089,608 +25320,763 @@ static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
     return __Pyx_GetBuiltinName(name);
 }
 
-/* PyObjectCall */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyObject *result;
-    ternaryfunc call = Py_TYPE(func)->tp_call;
-    if (unlikely(!call))
-        return PyObject_Call(func, arg, kw);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-    result = (*call)(func, arg, kw);
-    Py_LeaveRecursiveCall();
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
-    }
-    return result;
-}
-#endif
-
-/* MemviewSliceInit */
-static int
-__Pyx_init_memviewslice(struct __pyx_memoryview_obj *memview,
-                        int ndim,
-                        __Pyx_memviewslice *memviewslice,
-                        int memview_is_new_reference)
-{
-    __Pyx_RefNannyDeclarations
-    int i, retval=-1;
-    Py_buffer *buf = &memview->view;
-    __Pyx_RefNannySetupContext("init_memviewslice", 0);
-    if (unlikely(memviewslice->memview || memviewslice->data)) {
-        PyErr_SetString(PyExc_ValueError,
-            "memviewslice is already initialized!");
-        goto fail;
-    }
-    if (buf->strides) {
-        for (i = 0; i < ndim; i++) {
-            memviewslice->strides[i] = buf->strides[i];
-        }
-    } else {
-        Py_ssize_t stride = buf->itemsize;
-        for (i = ndim - 1; i >= 0; i--) {
-            memviewslice->strides[i] = stride;
-            stride *= buf->shape[i];
-        }
-    }
-    for (i = 0; i < ndim; i++) {
-        memviewslice->shape[i]   = buf->shape[i];
-        if (buf->suboffsets) {
-            memviewslice->suboffsets[i] = buf->suboffsets[i];
-        } else {
-            memviewslice->suboffsets[i] = -1;
-        }
-    }
-    memviewslice->memview = memview;
-    memviewslice->data = (char *)buf->buf;
-    if (__pyx_add_acquisition_count(memview) == 0 && !memview_is_new_reference) {
-        Py_INCREF(memview);
-    }
-    retval = 0;
-    goto no_fail;
-fail:
-    memviewslice->memview = 0;
-    memviewslice->data = 0;
-    retval = -1;
-no_fail:
-    __Pyx_RefNannyFinishContext();
-    return retval;
-}
-#ifndef Py_NO_RETURN
-#define Py_NO_RETURN
-#endif
-static void __pyx_fatalerror(const char *fmt, ...) Py_NO_RETURN {
-    va_list vargs;
-    char msg[200];
-#ifdef HAVE_STDARG_PROTOTYPES
-    va_start(vargs, fmt);
-#else
-    va_start(vargs);
-#endif
-    vsnprintf(msg, 200, fmt, vargs);
-    va_end(vargs);
-    Py_FatalError(msg);
+/* RaiseTooManyValuesToUnpack */
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
+    PyErr_Format(PyExc_ValueError,
+                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
 }
-static CYTHON_INLINE int
-__pyx_add_acquisition_count_locked(__pyx_atomic_int *acquisition_count,
-                                   PyThread_type_lock lock)
-{
-    int result;
-    PyThread_acquire_lock(lock, 1);
-    result = (*acquisition_count)++;
-    PyThread_release_lock(lock);
-    return result;
+
+/* RaiseNeedMoreValuesToUnpack */
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
+    PyErr_Format(PyExc_ValueError,
+                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
+                 index, (index == 1) ? "" : "s");
 }
-static CYTHON_INLINE int
-__pyx_sub_acquisition_count_locked(__pyx_atomic_int *acquisition_count,
-                                   PyThread_type_lock lock)
-{
-    int result;
-    PyThread_acquire_lock(lock, 1);
-    result = (*acquisition_count)--;
-    PyThread_release_lock(lock);
-    return result;
+
+/* RaiseNoneIterError */
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
 }
-static CYTHON_INLINE void
-__Pyx_INC_MEMVIEW(__Pyx_memviewslice *memslice, int have_gil, int lineno)
-{
-    int first_time;
-    struct __pyx_memoryview_obj *memview = memslice->memview;
-    if (unlikely(!memview || (PyObject *) memview == Py_None))
-        return;
-    if (unlikely(__pyx_get_slice_count(memview) < 0))
-        __pyx_fatalerror("Acquisition count is %d (line %d)",
-                         __pyx_get_slice_count(memview), lineno);
-    first_time = __pyx_add_acquisition_count(memview) == 0;
-    if (unlikely(first_time)) {
-        if (have_gil) {
-            Py_INCREF((PyObject *) memview);
-        } else {
-            PyGILState_STATE _gilstate = PyGILState_Ensure();
-            Py_INCREF((PyObject *) memview);
-            PyGILState_Release(_gilstate);
-        }
+
+/* ExtTypeTest */
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
+    __Pyx_TypeName obj_type_name;
+    __Pyx_TypeName type_name;
+    if (unlikely(!type)) {
+        PyErr_SetString(PyExc_SystemError, "Missing type object");
+        return 0;
     }
+    if (likely(__Pyx_TypeCheck(obj, type)))
+        return 1;
+    obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    type_name = __Pyx_PyType_GetName(type);
+    PyErr_Format(PyExc_TypeError,
+                 "Cannot convert " __Pyx_FMT_TYPENAME " to " __Pyx_FMT_TYPENAME,
+                 obj_type_name, type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
+    __Pyx_DECREF_TypeName(type_name);
+    return 0;
 }
-static CYTHON_INLINE void __Pyx_XDEC_MEMVIEW(__Pyx_memviewslice *memslice,
-                                             int have_gil, int lineno) {
-    int last_time;
-    struct __pyx_memoryview_obj *memview = memslice->memview;
-    if (unlikely(!memview || (PyObject *) memview == Py_None)) {
-        memslice->memview = NULL;
-        return;
-    }
-    if (unlikely(__pyx_get_slice_count(memview) <= 0))
-        __pyx_fatalerror("Acquisition count is %d (line %d)",
-                         __pyx_get_slice_count(memview), lineno);
-    last_time = __pyx_sub_acquisition_count(memview) == 1;
-    memslice->data = NULL;
-    if (unlikely(last_time)) {
-        if (have_gil) {
-            Py_CLEAR(memslice->memview);
-        } else {
-            PyGILState_STATE _gilstate = PyGILState_Ensure();
-            Py_CLEAR(memslice->memview);
-            PyGILState_Release(_gilstate);
-        }
-    } else {
-        memslice->memview = NULL;
+
+/* GetTopmostException */
+#if CYTHON_USE_EXC_INFO_STACK && CYTHON_FAST_THREAD_STATE
+static _PyErr_StackItem *
+__Pyx_PyErr_GetTopmostException(PyThreadState *tstate)
+{
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    while ((exc_info->exc_value == NULL || exc_info->exc_value == Py_None) &&
+           exc_info->previous_item != NULL)
+    {
+        exc_info = exc_info->previous_item;
     }
+    return exc_info;
 }
+#endif
 
-/* RaiseArgTupleInvalid */
-static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
-    Py_ssize_t num_expected;
-    const char *more_or_less;
-    if (num_found < num_min) {
-        num_expected = num_min;
-        more_or_less = "at least";
+/* SaveResetException */
+#if CYTHON_FAST_THREAD_STATE
+static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+  #if CYTHON_USE_EXC_INFO_STACK && PY_VERSION_HEX >= 0x030B00a4
+    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
+    PyObject *exc_value = exc_info->exc_value;
+    if (exc_value == NULL || exc_value == Py_None) {
+        *value = NULL;
+        *type = NULL;
+        *tb = NULL;
     } else {
-        num_expected = num_max;
-        more_or_less = "at most";
-    }
-    if (exact) {
-        more_or_less = "exactly";
+        *value = exc_value;
+        Py_INCREF(*value);
+        *type = (PyObject*) Py_TYPE(exc_value);
+        Py_INCREF(*type);
+        *tb = PyException_GetTraceback(exc_value);
     }
-    PyErr_Format(PyExc_TypeError,
-                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
-                 func_name, more_or_less, num_expected,
-                 (num_expected == 1) ? "" : "s", num_found);
+  #elif CYTHON_USE_EXC_INFO_STACK
+    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
+    *type = exc_info->exc_type;
+    *value = exc_info->exc_value;
+    *tb = exc_info->exc_traceback;
+    Py_XINCREF(*type);
+    Py_XINCREF(*value);
+    Py_XINCREF(*tb);
+  #else
+    *type = tstate->exc_type;
+    *value = tstate->exc_value;
+    *tb = tstate->exc_traceback;
+    Py_XINCREF(*type);
+    Py_XINCREF(*value);
+    Py_XINCREF(*tb);
+  #endif
 }
-
-/* RaiseDoubleKeywords */
-static void __Pyx_RaiseDoubleKeywordsError(
-    const char* func_name,
-    PyObject* kw_name)
-{
-    PyErr_Format(PyExc_TypeError,
-        #if PY_MAJOR_VERSION >= 3
-        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
-        #else
-        "%s() got multiple values for keyword argument '%s'", func_name,
-        PyString_AsString(kw_name));
-        #endif
+static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
+  #if CYTHON_USE_EXC_INFO_STACK && PY_VERSION_HEX >= 0x030B00a4
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    PyObject *tmp_value = exc_info->exc_value;
+    exc_info->exc_value = value;
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+  #else
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    #if CYTHON_USE_EXC_INFO_STACK
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    tmp_type = exc_info->exc_type;
+    tmp_value = exc_info->exc_value;
+    tmp_tb = exc_info->exc_traceback;
+    exc_info->exc_type = type;
+    exc_info->exc_value = value;
+    exc_info->exc_traceback = tb;
+    #else
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = type;
+    tstate->exc_value = value;
+    tstate->exc_traceback = tb;
+    #endif
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+  #endif
 }
+#endif
 
-/* ParseKeywords */
-static int __Pyx_ParseOptionalKeywords(
-    PyObject *kwds,
-    PyObject **argnames[],
-    PyObject *kwds2,
-    PyObject *values[],
-    Py_ssize_t num_pos_args,
-    const char* function_name)
+/* GetException */
+#if CYTHON_FAST_THREAD_STATE
+static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb)
+#else
+static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
+#endif
 {
-    PyObject *key = 0, *value = 0;
-    Py_ssize_t pos = 0;
-    PyObject*** name;
-    PyObject*** first_kw_arg = argnames + num_pos_args;
-    while (PyDict_Next(kwds, &pos, &key, &value)) {
-        name = first_kw_arg;
-        while (*name && (**name != key)) name++;
-        if (*name) {
-            values[name-argnames] = value;
-            continue;
-        }
-        name = first_kw_arg;
-        #if PY_MAJOR_VERSION < 3
-        if (likely(PyString_Check(key))) {
-            while (*name) {
-                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
-                        && _PyString_Eq(**name, key)) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    if ((**argname == key) || (
-                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
-                             && _PyString_Eq(**argname, key))) {
-                        goto arg_passed_twice;
-                    }
-                    argname++;
-                }
-            }
-        } else
-        #endif
-        if (likely(PyUnicode_Check(key))) {
-            while (*name) {
-                int cmp = (**name == key) ? 0 :
-                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                    (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
-                #endif
-                    PyUnicode_Compare(**name, key);
-                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                if (cmp == 0) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    int cmp = (**argname == key) ? 0 :
-                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                        (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
-                    #endif
-                        PyUnicode_Compare(**argname, key);
-                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                    if (cmp == 0) goto arg_passed_twice;
-                    argname++;
-                }
-            }
-        } else
-            goto invalid_keyword_type;
-        if (kwds2) {
-            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
-        } else {
-            goto invalid_keyword;
-        }
+    PyObject *local_type = NULL, *local_value, *local_tb = NULL;
+#if CYTHON_FAST_THREAD_STATE
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+  #if PY_VERSION_HEX >= 0x030C00A6
+    local_value = tstate->current_exception;
+    tstate->current_exception = 0;
+    if (likely(local_value)) {
+        local_type = (PyObject*) Py_TYPE(local_value);
+        Py_INCREF(local_type);
+        local_tb = PyException_GetTraceback(local_value);
+    }
+  #else
+    local_type = tstate->curexc_type;
+    local_value = tstate->curexc_value;
+    local_tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+  #endif
+#else
+    PyErr_Fetch(&local_type, &local_value, &local_tb);
+#endif
+    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
+#if CYTHON_FAST_THREAD_STATE && PY_VERSION_HEX >= 0x030C00A6
+    if (unlikely(tstate->current_exception))
+#elif CYTHON_FAST_THREAD_STATE
+    if (unlikely(tstate->curexc_type))
+#else
+    if (unlikely(PyErr_Occurred()))
+#endif
+        goto bad;
+    #if PY_MAJOR_VERSION >= 3
+    if (local_tb) {
+        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
+            goto bad;
+    }
+    #endif
+    Py_XINCREF(local_tb);
+    Py_XINCREF(local_type);
+    Py_XINCREF(local_value);
+    *type = local_type;
+    *value = local_value;
+    *tb = local_tb;
+#if CYTHON_FAST_THREAD_STATE
+    #if CYTHON_USE_EXC_INFO_STACK
+    {
+        _PyErr_StackItem *exc_info = tstate->exc_info;
+      #if PY_VERSION_HEX >= 0x030B00a4
+        tmp_value = exc_info->exc_value;
+        exc_info->exc_value = local_value;
+        tmp_type = NULL;
+        tmp_tb = NULL;
+        Py_XDECREF(local_type);
+        Py_XDECREF(local_tb);
+      #else
+        tmp_type = exc_info->exc_type;
+        tmp_value = exc_info->exc_value;
+        tmp_tb = exc_info->exc_traceback;
+        exc_info->exc_type = local_type;
+        exc_info->exc_value = local_value;
+        exc_info->exc_traceback = local_tb;
+      #endif
     }
-    return 0;
-arg_passed_twice:
-    __Pyx_RaiseDoubleKeywordsError(function_name, key);
-    goto bad;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%.200s() keywords must be strings", function_name);
-    goto bad;
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%.200s() got an unexpected keyword argument '%.200s'",
-        function_name, PyString_AsString(key));
     #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = local_type;
+    tstate->exc_value = local_value;
+    tstate->exc_traceback = local_tb;
     #endif
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(local_type, local_value, local_tb);
+#endif
+    return 0;
 bad:
+    *type = 0;
+    *value = 0;
+    *tb = 0;
+    Py_XDECREF(local_type);
+    Py_XDECREF(local_value);
+    Py_XDECREF(local_tb);
     return -1;
 }
 
-/* BufferIndexError */
-static void __Pyx_RaiseBufferIndexError(int axis) {
-  PyErr_Format(PyExc_IndexError,
-     "Out of bounds on buffer access (axis %d)", axis);
-}
-
-/* ArgTypeTest */
-static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact)
-{
-    if (unlikely(!type)) {
-        PyErr_SetString(PyExc_SystemError, "Missing type object");
-        return 0;
-    }
-    else if (exact) {
-        #if PY_MAJOR_VERSION == 2
-        if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1;
+/* SwapException */
+#if CYTHON_FAST_THREAD_STATE
+static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+  #if CYTHON_USE_EXC_INFO_STACK && PY_VERSION_HEX >= 0x030B00a4
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    tmp_value = exc_info->exc_value;
+    exc_info->exc_value = *value;
+    if (tmp_value == NULL || tmp_value == Py_None) {
+        Py_XDECREF(tmp_value);
+        tmp_value = NULL;
+        tmp_type = NULL;
+        tmp_tb = NULL;
+    } else {
+        tmp_type = (PyObject*) Py_TYPE(tmp_value);
+        Py_INCREF(tmp_type);
+        #if CYTHON_COMPILING_IN_CPYTHON
+        tmp_tb = ((PyBaseExceptionObject*) tmp_value)->traceback;
+        Py_XINCREF(tmp_tb);
+        #else
+        tmp_tb = PyException_GetTraceback(tmp_value);
         #endif
     }
-    else {
-        if (likely(__Pyx_TypeCheck(obj, type))) return 1;
-    }
-    PyErr_Format(PyExc_TypeError,
-        "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)",
-        name, type->tp_name, Py_TYPE(obj)->tp_name);
-    return 0;
+  #elif CYTHON_USE_EXC_INFO_STACK
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    tmp_type = exc_info->exc_type;
+    tmp_value = exc_info->exc_value;
+    tmp_tb = exc_info->exc_traceback;
+    exc_info->exc_type = *type;
+    exc_info->exc_value = *value;
+    exc_info->exc_traceback = *tb;
+  #else
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = *type;
+    tstate->exc_value = *value;
+    tstate->exc_traceback = *tb;
+  #endif
+    *type = tmp_type;
+    *value = tmp_value;
+    *tb = tmp_tb;
 }
-
-/* PyCFunctionFastCall */
-#if CYTHON_FAST_PYCCALL
-static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) {
-    PyCFunctionObject *func = (PyCFunctionObject*)func_obj;
-    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
-    PyObject *self = PyCFunction_GET_SELF(func);
-    int flags = PyCFunction_GET_FLAGS(func);
-    assert(PyCFunction_Check(func));
-    assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS)));
-    assert(nargs >= 0);
-    assert(nargs == 0 || args != NULL);
-    /* _PyCFunction_FastCallDict() must not be called with an exception set,
-       because it may clear it (directly or indirectly) and so the
-       caller loses its exception */
-    assert(!PyErr_Occurred());
-    if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) {
-        return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL);
-    } else {
-        return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs);
-    }
+#else
+static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
+    PyErr_SetExcInfo(*type, *value, *tb);
+    *type = tmp_type;
+    *value = tmp_value;
+    *tb = tmp_tb;
 }
 #endif
 
-/* PyFunctionFastCall */
-#if CYTHON_FAST_PYCALL
-static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
-                                               PyObject *globals) {
-    PyFrameObject *f;
-    PyThreadState *tstate = __Pyx_PyThreadState_Current;
-    PyObject **fastlocals;
-    Py_ssize_t i;
-    PyObject *result;
-    assert(globals != NULL);
-    /* XXX Perhaps we should create a specialized
-       PyFrame_New() that doesn't take locals, but does
-       take builtins without sanity checking them.
-       */
-    assert(tstate != NULL);
-    f = PyFrame_New(tstate, co, globals, NULL);
-    if (f == NULL) {
-        return NULL;
-    }
-    fastlocals = __Pyx_PyFrame_GetLocalsplus(f);
-    for (i = 0; i < na; i++) {
-        Py_INCREF(*args);
-        fastlocals[i] = *args++;
-    }
-    result = PyEval_EvalFrameEx(f,0);
-    ++tstate->recursion_depth;
-    Py_DECREF(f);
-    --tstate->recursion_depth;
-    return result;
-}
-#if 1 || PY_VERSION_HEX < 0x030600B1
-static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) {
-    PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
-    PyObject *globals = PyFunction_GET_GLOBALS(func);
-    PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
-    PyObject *closure;
-#if PY_MAJOR_VERSION >= 3
-    PyObject *kwdefs;
-#endif
-    PyObject *kwtuple, **k;
-    PyObject **d;
-    Py_ssize_t nd;
-    Py_ssize_t nk;
-    PyObject *result;
-    assert(kwargs == NULL || PyDict_Check(kwargs));
-    nk = kwargs ? PyDict_Size(kwargs) : 0;
-    if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
-        return NULL;
-    }
-    if (
-#if PY_MAJOR_VERSION >= 3
-            co->co_kwonlyargcount == 0 &&
-#endif
-            likely(kwargs == NULL || nk == 0) &&
-            co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
-        if (argdefs == NULL && co->co_argcount == nargs) {
-            result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
-            goto done;
-        }
-        else if (nargs == 0 && argdefs != NULL
-                 && co->co_argcount == Py_SIZE(argdefs)) {
-            /* function called with no arguments, but all parameters have
-               a default value: use default values as arguments .*/
-            args = &PyTuple_GET_ITEM(argdefs, 0);
-            result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
-            goto done;
-        }
+/* Import */
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
+    PyObject *module = 0;
+    PyObject *empty_dict = 0;
+    PyObject *empty_list = 0;
+    #if PY_MAJOR_VERSION < 3
+    PyObject *py_import;
+    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
+    if (unlikely(!py_import))
+        goto bad;
+    if (!from_list) {
+        empty_list = PyList_New(0);
+        if (unlikely(!empty_list))
+            goto bad;
+        from_list = empty_list;
     }
-    if (kwargs != NULL) {
-        Py_ssize_t pos, i;
-        kwtuple = PyTuple_New(2 * nk);
-        if (kwtuple == NULL) {
-            result = NULL;
-            goto done;
+    #endif
+    empty_dict = PyDict_New();
+    if (unlikely(!empty_dict))
+        goto bad;
+    {
+        #if PY_MAJOR_VERSION >= 3
+        if (level == -1) {
+            if (strchr(__Pyx_MODULE_NAME, '.') != NULL) {
+                module = PyImport_ImportModuleLevelObject(
+                    name, __pyx_d, empty_dict, from_list, 1);
+                if (unlikely(!module)) {
+                    if (unlikely(!PyErr_ExceptionMatches(PyExc_ImportError)))
+                        goto bad;
+                    PyErr_Clear();
+                }
+            }
+            level = 0;
         }
-        k = &PyTuple_GET_ITEM(kwtuple, 0);
-        pos = i = 0;
-        while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
-            Py_INCREF(k[i]);
-            Py_INCREF(k[i+1]);
-            i += 2;
+        #endif
+        if (!module) {
+            #if PY_MAJOR_VERSION < 3
+            PyObject *py_level = PyInt_FromLong(level);
+            if (unlikely(!py_level))
+                goto bad;
+            module = PyObject_CallFunctionObjArgs(py_import,
+                name, __pyx_d, empty_dict, from_list, py_level, (PyObject *)NULL);
+            Py_DECREF(py_level);
+            #else
+            module = PyImport_ImportModuleLevelObject(
+                name, __pyx_d, empty_dict, from_list, level);
+            #endif
         }
-        nk = i / 2;
-    }
-    else {
-        kwtuple = NULL;
-        k = NULL;
     }
-    closure = PyFunction_GET_CLOSURE(func);
+bad:
+    Py_XDECREF(empty_dict);
+    Py_XDECREF(empty_list);
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(py_import);
+    #endif
+    return module;
+}
+
+/* ImportDottedModule */
 #if PY_MAJOR_VERSION >= 3
-    kwdefs = PyFunction_GET_KW_DEFAULTS(func);
-#endif
-    if (argdefs != NULL) {
-        d = &PyTuple_GET_ITEM(argdefs, 0);
-        nd = Py_SIZE(argdefs);
+static PyObject *__Pyx__ImportDottedModule_Error(PyObject *name, PyObject *parts_tuple, Py_ssize_t count) {
+    PyObject *partial_name = NULL, *slice = NULL, *sep = NULL;
+    if (unlikely(PyErr_Occurred())) {
+        PyErr_Clear();
     }
-    else {
-        d = NULL;
-        nd = 0;
+    if (likely(PyTuple_GET_SIZE(parts_tuple) == count)) {
+        partial_name = name;
+    } else {
+        slice = PySequence_GetSlice(parts_tuple, 0, count);
+        if (unlikely(!slice))
+            goto bad;
+        sep = PyUnicode_FromStringAndSize(".", 1);
+        if (unlikely(!sep))
+            goto bad;
+        partial_name = PyUnicode_Join(sep, slice);
     }
+    PyErr_Format(
+#if PY_MAJOR_VERSION < 3
+        PyExc_ImportError,
+        "No module named '%s'", PyString_AS_STRING(partial_name));
+#else
+#if PY_VERSION_HEX >= 0x030600B1
+        PyExc_ModuleNotFoundError,
+#else
+        PyExc_ImportError,
+#endif
+        "No module named '%U'", partial_name);
+#endif
+bad:
+    Py_XDECREF(sep);
+    Py_XDECREF(slice);
+    Py_XDECREF(partial_name);
+    return NULL;
+}
+#endif
 #if PY_MAJOR_VERSION >= 3
-    result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
-                               args, (int)nargs,
-                               k, (int)nk,
-                               d, (int)nd, kwdefs, closure);
+static PyObject *__Pyx__ImportDottedModule_Lookup(PyObject *name) {
+    PyObject *imported_module;
+#if PY_VERSION_HEX < 0x030700A1 || (CYTHON_COMPILING_IN_PYPY && PYPY_VERSION_NUM  < 0x07030400)
+    PyObject *modules = PyImport_GetModuleDict();
+    if (unlikely(!modules))
+        return NULL;
+    imported_module = __Pyx_PyDict_GetItemStr(modules, name);
+    Py_XINCREF(imported_module);
 #else
-    result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
-                               args, (int)nargs,
-                               k, (int)nk,
-                               d, (int)nd, closure);
+    imported_module = PyImport_GetModule(name);
 #endif
-    Py_XDECREF(kwtuple);
-done:
-    Py_LeaveRecursiveCall();
-    return result;
+    return imported_module;
 }
 #endif
+#if PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx_ImportDottedModule_WalkParts(PyObject *module, PyObject *name, PyObject *parts_tuple) {
+    Py_ssize_t i, nparts;
+    nparts = PyTuple_GET_SIZE(parts_tuple);
+    for (i=1; i < nparts && module; i++) {
+        PyObject *part, *submodule;
+#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+        part = PyTuple_GET_ITEM(parts_tuple, i);
+#else
+        part = PySequence_ITEM(parts_tuple, i);
+#endif
+        submodule = __Pyx_PyObject_GetAttrStrNoError(module, part);
+#if !(CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
+        Py_DECREF(part);
 #endif
-
-/* PyObjectCall2Args */
-static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) {
-    PyObject *args, *result = NULL;
-    #if CYTHON_FAST_PYCALL
-    if (PyFunction_Check(function)) {
-        PyObject *args[2] = {arg1, arg2};
-        return __Pyx_PyFunction_FastCall(function, args, 2);
+        Py_DECREF(module);
+        module = submodule;
     }
-    #endif
-    #if CYTHON_FAST_PYCCALL
-    if (__Pyx_PyFastCFunction_Check(function)) {
-        PyObject *args[2] = {arg1, arg2};
-        return __Pyx_PyCFunction_FastCall(function, args, 2);
+    if (unlikely(!module)) {
+        return __Pyx__ImportDottedModule_Error(name, parts_tuple, i);
     }
-    #endif
-    args = PyTuple_New(2);
-    if (unlikely(!args)) goto done;
-    Py_INCREF(arg1);
-    PyTuple_SET_ITEM(args, 0, arg1);
-    Py_INCREF(arg2);
-    PyTuple_SET_ITEM(args, 1, arg2);
-    Py_INCREF(function);
-    result = __Pyx_PyObject_Call(function, args, NULL);
-    Py_DECREF(args);
-    Py_DECREF(function);
-done:
-    return result;
+    return module;
 }
-
-/* PyObjectCallMethO */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
-    PyObject *self, *result;
-    PyCFunction cfunc;
-    cfunc = PyCFunction_GET_FUNCTION(func);
-    self = PyCFunction_GET_SELF(func);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
+#endif
+static PyObject *__Pyx__ImportDottedModule(PyObject *name, PyObject *parts_tuple) {
+#if PY_MAJOR_VERSION < 3
+    PyObject *module, *from_list, *star = __pyx_n_s__3;
+    CYTHON_UNUSED_VAR(parts_tuple);
+    from_list = PyList_New(1);
+    if (unlikely(!from_list))
         return NULL;
-    result = cfunc(self, arg);
-    Py_LeaveRecursiveCall();
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
+    Py_INCREF(star);
+    PyList_SET_ITEM(from_list, 0, star);
+    module = __Pyx_Import(name, from_list, 0);
+    Py_DECREF(from_list);
+    return module;
+#else
+    PyObject *imported_module;
+    PyObject *module = __Pyx_Import(name, NULL, 0);
+    if (!parts_tuple || unlikely(!module))
+        return module;
+    imported_module = __Pyx__ImportDottedModule_Lookup(name);
+    if (likely(imported_module)) {
+        Py_DECREF(module);
+        return imported_module;
+    }
+    PyErr_Clear();
+    return __Pyx_ImportDottedModule_WalkParts(module, name, parts_tuple);
+#endif
+}
+static PyObject *__Pyx_ImportDottedModule(PyObject *name, PyObject *parts_tuple) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030400B1
+    PyObject *module = __Pyx__ImportDottedModule_Lookup(name);
+    if (likely(module)) {
+        PyObject *spec = __Pyx_PyObject_GetAttrStrNoError(module, __pyx_n_s_spec);
+        if (likely(spec)) {
+            PyObject *unsafe = __Pyx_PyObject_GetAttrStrNoError(spec, __pyx_n_s_initializing);
+            if (likely(!unsafe || !__Pyx_PyObject_IsTrue(unsafe))) {
+                Py_DECREF(spec);
+                spec = NULL;
+            }
+            Py_XDECREF(unsafe);
+        }
+        if (likely(!spec)) {
+            PyErr_Clear();
+            return module;
+        }
+        Py_DECREF(spec);
+        Py_DECREF(module);
+    } else if (PyErr_Occurred()) {
+        PyErr_Clear();
     }
-    return result;
-}
 #endif
+    return __Pyx__ImportDottedModule(name, parts_tuple);
+}
 
-/* PyObjectCallOneArg */
+/* FastTypeChecks */
 #if CYTHON_COMPILING_IN_CPYTHON
-static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject *result;
-    PyObject *args = PyTuple_New(1);
-    if (unlikely(!args)) return NULL;
-    Py_INCREF(arg);
-    PyTuple_SET_ITEM(args, 0, arg);
-    result = __Pyx_PyObject_Call(func, args, NULL);
-    Py_DECREF(args);
-    return result;
+static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
+    while (a) {
+        a = __Pyx_PyType_GetSlot(a, tp_base, PyTypeObject*);
+        if (a == b)
+            return 1;
+    }
+    return b == &PyBaseObject_Type;
 }
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-#if CYTHON_FAST_PYCALL
-    if (PyFunction_Check(func)) {
-        return __Pyx_PyFunction_FastCall(func, &arg, 1);
+static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
+    PyObject *mro;
+    if (a == b) return 1;
+    mro = a->tp_mro;
+    if (likely(mro)) {
+        Py_ssize_t i, n;
+        n = PyTuple_GET_SIZE(mro);
+        for (i = 0; i < n; i++) {
+            if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
+                return 1;
+        }
+        return 0;
+    }
+    return __Pyx_InBases(a, b);
+}
+static CYTHON_INLINE int __Pyx_IsAnySubtype2(PyTypeObject *cls, PyTypeObject *a, PyTypeObject *b) {
+    PyObject *mro;
+    if (cls == a || cls == b) return 1;
+    mro = cls->tp_mro;
+    if (likely(mro)) {
+        Py_ssize_t i, n;
+        n = PyTuple_GET_SIZE(mro);
+        for (i = 0; i < n; i++) {
+            PyObject *base = PyTuple_GET_ITEM(mro, i);
+            if (base == (PyObject *)a || base == (PyObject *)b)
+                return 1;
+        }
+        return 0;
+    }
+    return __Pyx_InBases(cls, a) || __Pyx_InBases(cls, b);
+}
+#if PY_MAJOR_VERSION == 2
+static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) {
+    PyObject *exception, *value, *tb;
+    int res;
+    __Pyx_PyThreadState_declare
+    __Pyx_PyThreadState_assign
+    __Pyx_ErrFetch(&exception, &value, &tb);
+    res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0;
+    if (unlikely(res == -1)) {
+        PyErr_WriteUnraisable(err);
+        res = 0;
+    }
+    if (!res) {
+        res = PyObject_IsSubclass(err, exc_type2);
+        if (unlikely(res == -1)) {
+            PyErr_WriteUnraisable(err);
+            res = 0;
+        }
+    }
+    __Pyx_ErrRestore(exception, value, tb);
+    return res;
+}
+#else
+static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
+    if (exc_type1) {
+        return __Pyx_IsAnySubtype2((PyTypeObject*)err, (PyTypeObject*)exc_type1, (PyTypeObject*)exc_type2);
+    } else {
+        return __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
     }
+}
 #endif
-    if (likely(PyCFunction_Check(func))) {
-        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
-            return __Pyx_PyObject_CallMethO(func, arg);
-#if CYTHON_FAST_PYCCALL
-        } else if (__Pyx_PyFastCFunction_Check(func)) {
-            return __Pyx_PyCFunction_FastCall(func, &arg, 1);
+static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
+    Py_ssize_t i, n;
+    assert(PyExceptionClass_Check(exc_type));
+    n = PyTuple_GET_SIZE(tuple);
+#if PY_MAJOR_VERSION >= 3
+    for (i=0; i<n; i++) {
+        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
+    }
 #endif
+    for (i=0; i<n; i++) {
+        PyObject *t = PyTuple_GET_ITEM(tuple, i);
+        #if PY_MAJOR_VERSION < 3
+        if (likely(exc_type == t)) return 1;
+        #endif
+        if (likely(PyExceptionClass_Check(t))) {
+            if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
+        } else {
         }
     }
-    return __Pyx__PyObject_CallOneArg(func, arg);
+    return 0;
 }
-#else
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject *result;
-    PyObject *args = PyTuple_Pack(1, arg);
-    if (unlikely(!args)) return NULL;
-    result = __Pyx_PyObject_Call(func, args, NULL);
-    Py_DECREF(args);
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
+    if (likely(err == exc_type)) return 1;
+    if (likely(PyExceptionClass_Check(err))) {
+        if (likely(PyExceptionClass_Check(exc_type))) {
+            return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
+        } else if (likely(PyTuple_Check(exc_type))) {
+            return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
+        } else {
+        }
+    }
+    return PyErr_GivenExceptionMatches(err, exc_type);
+}
+static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
+    assert(PyExceptionClass_Check(exc_type1));
+    assert(PyExceptionClass_Check(exc_type2));
+    if (likely(err == exc_type1 || err == exc_type2)) return 1;
+    if (likely(PyExceptionClass_Check(err))) {
+        return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
+    }
+    return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
+}
+#endif
+
+/* PySequenceMultiply */
+static PyObject* __Pyx_PySequence_Multiply_Generic(PyObject *seq, Py_ssize_t mul) {
+    PyObject *result, *pymul = PyInt_FromSsize_t(mul);
+    if (unlikely(!pymul))
+        return NULL;
+    result = PyNumber_Multiply(seq, pymul);
+    Py_DECREF(pymul);
     return result;
 }
+static CYTHON_INLINE PyObject* __Pyx_PySequence_Multiply(PyObject *seq, Py_ssize_t mul) {
+#if CYTHON_USE_TYPE_SLOTS
+    PyTypeObject *type = Py_TYPE(seq);
+    if (likely(type->tp_as_sequence && type->tp_as_sequence->sq_repeat)) {
+        return type->tp_as_sequence->sq_repeat(seq, mul);
+    } else
 #endif
+    {
+        return __Pyx_PySequence_Multiply_Generic(seq, mul);
+    }
+}
 
-/* PyObjectCallNoArg */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
-#if CYTHON_FAST_PYCALL
-    if (PyFunction_Check(func)) {
-        return __Pyx_PyFunction_FastCall(func, NULL, 0);
+/* SetItemInt */
+static int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v) {
+    int r;
+    if (unlikely(!j)) return -1;
+    r = PyObject_SetItem(o, j, v);
+    Py_DECREF(j);
+    return r;
+}
+static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v, int is_list,
+                                               CYTHON_NCP_UNUSED int wraparound, CYTHON_NCP_UNUSED int boundscheck) {
+#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
+    if (is_list || PyList_CheckExact(o)) {
+        Py_ssize_t n = (!wraparound) ? i : ((likely(i >= 0)) ? i : i + PyList_GET_SIZE(o));
+        if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o)))) {
+            PyObject* old = PyList_GET_ITEM(o, n);
+            Py_INCREF(v);
+            PyList_SET_ITEM(o, n, v);
+            Py_DECREF(old);
+            return 1;
+        }
+    } else {
+        PyMappingMethods *mm = Py_TYPE(o)->tp_as_mapping;
+        PySequenceMethods *sm = Py_TYPE(o)->tp_as_sequence;
+        if (mm && mm->mp_ass_subscript) {
+            int r;
+            PyObject *key = PyInt_FromSsize_t(i);
+            if (unlikely(!key)) return -1;
+            r = mm->mp_ass_subscript(o, key, v);
+            Py_DECREF(key);
+            return r;
+        }
+        if (likely(sm && sm->sq_ass_item)) {
+            if (wraparound && unlikely(i < 0) && likely(sm->sq_length)) {
+                Py_ssize_t l = sm->sq_length(o);
+                if (likely(l >= 0)) {
+                    i += l;
+                } else {
+                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
+                        return -1;
+                    PyErr_Clear();
+                }
+            }
+            return sm->sq_ass_item(o, i, v);
+        }
     }
-#endif
-#ifdef __Pyx_CyFunction_USED
-    if (likely(PyCFunction_Check(func) || __Pyx_CyFunction_Check(func)))
 #else
-    if (likely(PyCFunction_Check(func)))
-#endif
+    if (is_list || !PyMapping_Check(o))
     {
-        if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) {
-            return __Pyx_PyObject_CallMethO(func, NULL);
+        return PySequence_SetItem(o, i, v);
+    }
+#endif
+    return __Pyx_SetItemInt_Generic(o, PyInt_FromSsize_t(i), v);
+}
+
+/* RaiseUnboundLocalError */
+static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) {
+    PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname);
+}
+
+/* DivInt[long] */
+static CYTHON_INLINE long __Pyx_div_long(long a, long b) {
+    long q = a / b;
+    long r = a - q*b;
+    q -= ((r != 0) & ((r ^ b) < 0));
+    return q;
+}
+
+/* ImportFrom */
+static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
+    PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
+    if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
+        const char* module_name_str = 0;
+        PyObject* module_name = 0;
+        PyObject* module_dot = 0;
+        PyObject* full_name = 0;
+        PyErr_Clear();
+        module_name_str = PyModule_GetName(module);
+        if (unlikely(!module_name_str)) { goto modbad; }
+        module_name = PyUnicode_FromString(module_name_str);
+        if (unlikely(!module_name)) { goto modbad; }
+        module_dot = PyUnicode_Concat(module_name, __pyx_kp_u__2);
+        if (unlikely(!module_dot)) { goto modbad; }
+        full_name = PyUnicode_Concat(module_dot, name);
+        if (unlikely(!full_name)) { goto modbad; }
+        #if PY_VERSION_HEX < 0x030700A1 || (CYTHON_COMPILING_IN_PYPY && PYPY_VERSION_NUM  < 0x07030400)
+        {
+            PyObject *modules = PyImport_GetModuleDict();
+            if (unlikely(!modules))
+                goto modbad;
+            value = PyObject_GetItem(modules, full_name);
         }
+        #else
+        value = PyImport_GetModule(full_name);
+        #endif
+      modbad:
+        Py_XDECREF(full_name);
+        Py_XDECREF(module_dot);
+        Py_XDECREF(module_name);
+    }
+    if (unlikely(!value)) {
+        PyErr_Format(PyExc_ImportError,
+        #if PY_MAJOR_VERSION < 3
+            "cannot import name %.230s", PyString_AS_STRING(name));
+        #else
+            "cannot import name %S", name);
+        #endif
+    }
+    return value;
+}
+
+/* HasAttr */
+#if __PYX_LIMITED_VERSION_HEX < 0x030d00A1
+static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) {
+    PyObject *r;
+    if (unlikely(!__Pyx_PyBaseString_Check(n))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "hasattr(): attribute name must be string");
+        return -1;
+    }
+    r = __Pyx_GetAttr(o, n);
+    if (!r) {
+        PyErr_Clear();
+        return 0;
+    } else {
+        Py_DECREF(r);
+        return 1;
     }
-    return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL);
 }
 #endif
 
+/* BufferIndexError */
+static void __Pyx_RaiseBufferIndexError(int axis) {
+  PyErr_Format(PyExc_IndexError,
+     "Out of bounds on buffer access (axis %d)", axis);
+}
+
 /* PyIntCompare */
-static CYTHON_INLINE PyObject* __Pyx_PyInt_EqObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, CYTHON_UNUSED long inplace) {
+static CYTHON_INLINE int __Pyx_PyInt_BoolEqObjC(PyObject *op1, PyObject *op2, long intval, long inplace) {
+    CYTHON_MAYBE_UNUSED_VAR(intval);
+    CYTHON_UNUSED_VAR(inplace);
     if (op1 == op2) {
-        Py_RETURN_TRUE;
+        return 1;
     }
     #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_CheckExact(op1))) {
         const long b = intval;
         long a = PyInt_AS_LONG(op1);
-        if (a == b) Py_RETURN_TRUE; else Py_RETURN_FALSE;
+        return (a == b);
     }
     #endif
     #if CYTHON_USE_PYLONG_INTERNALS
     if (likely(PyLong_CheckExact(op1))) {
         int unequal;
         unsigned long uintval;
-        Py_ssize_t size = Py_SIZE(op1);
-        const digit* digits = ((PyLongObject*)op1)->ob_digit;
+        Py_ssize_t size = __Pyx_PyLong_DigitCount(op1);
+        const digit* digits = __Pyx_PyLong_Digits(op1);
         if (intval == 0) {
-            if (size == 0) Py_RETURN_TRUE; else Py_RETURN_FALSE;
+            return (__Pyx_PyLong_IsZero(op1) == 1);
         } else if (intval < 0) {
-            if (size >= 0)
-                Py_RETURN_FALSE;
+            if (__Pyx_PyLong_IsNonNeg(op1))
+                return 0;
             intval = -intval;
-            size = -size;
         } else {
-            if (size <= 0)
-                Py_RETURN_FALSE;
+            if (__Pyx_PyLong_IsNeg(op1))
+                return 0;
         }
         uintval = (unsigned long) intval;
 #if PyLong_SHIFT * 4 < SIZEOF_LONG*8
@@ -20718,29 +26104,35 @@ static CYTHON_INLINE PyObject* __Pyx_PyInt_EqObjC(PyObject *op1, PyObject *op2,
         } else
 #endif
             unequal = (size != 1) || (((unsigned long) digits[0]) != (uintval & (unsigned long) PyLong_MASK));
-        if (unequal == 0) Py_RETURN_TRUE; else Py_RETURN_FALSE;
+        return (unequal == 0);
     }
     #endif
     if (PyFloat_CheckExact(op1)) {
         const long b = intval;
+#if CYTHON_COMPILING_IN_LIMITED_API
+        double a = __pyx_PyFloat_AsDouble(op1);
+#else
         double a = PyFloat_AS_DOUBLE(op1);
-        if ((double)a == (double)b) Py_RETURN_TRUE; else Py_RETURN_FALSE;
+#endif
+        return ((double)a == (double)b);
     }
-    return (
+    return __Pyx_PyObject_IsTrueAndDecref(
         PyObject_RichCompare(op1, op2, Py_EQ));
 }
 
 /* PyIntBinop */
 #if !CYTHON_COMPILING_IN_PYPY
-static PyObject* __Pyx_PyInt_SubtractObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) {
-    (void)inplace;
-    (void)zerodivision_check;
+static PyObject* __Pyx_PyInt_SubtractObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check) {
+    CYTHON_MAYBE_UNUSED_VAR(intval);
+    CYTHON_MAYBE_UNUSED_VAR(inplace);
+    CYTHON_UNUSED_VAR(zerodivision_check);
     #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_CheckExact(op1))) {
         const long b = intval;
         long x;
         long a = PyInt_AS_LONG(op1);
-            x = (long)((unsigned long)a - b);
+        
+            x = (long)((unsigned long)a - (unsigned long)b);
             if (likely((x^a) >= 0 || (x^~b) >= 0))
                 return PyInt_FromLong(x);
             return PyLong_Type.tp_as_number->nb_subtract(op1, op2);
@@ -20754,77 +26146,79 @@ static PyObject* __Pyx_PyInt_SubtractObjC(PyObject *op1, PyObject *op2, CYTHON_U
         const PY_LONG_LONG llb = intval;
         PY_LONG_LONG lla, llx;
 #endif
-        const digit* digits = ((PyLongObject*)op1)->ob_digit;
-        const Py_ssize_t size = Py_SIZE(op1);
-        if (likely(__Pyx_sst_abs(size) <= 1)) {
-            a = likely(size) ? digits[0] : 0;
-            if (size == -1) a = -a;
+        if (unlikely(__Pyx_PyLong_IsZero(op1))) {
+            return PyLong_FromLong(-intval);
+        }
+        if (likely(__Pyx_PyLong_IsCompact(op1))) {
+            a = __Pyx_PyLong_CompactValue(op1);
         } else {
+            const digit* digits = __Pyx_PyLong_Digits(op1);
+            const Py_ssize_t size = __Pyx_PyLong_SignedDigitCount(op1);
             switch (size) {
                 case -2:
                     if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                         a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                         break;
-#ifdef HAVE_LONG_LONG
+                    #ifdef HAVE_LONG_LONG
                     } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                         lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                         goto long_long;
-#endif
+                    #endif
                     }
                     CYTHON_FALLTHROUGH;
                 case 2:
                     if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                         a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                         break;
-#ifdef HAVE_LONG_LONG
+                    #ifdef HAVE_LONG_LONG
                     } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                         lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                         goto long_long;
-#endif
+                    #endif
                     }
                     CYTHON_FALLTHROUGH;
                 case -3:
                     if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                         a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                         break;
-#ifdef HAVE_LONG_LONG
+                    #ifdef HAVE_LONG_LONG
                     } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                         lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                         goto long_long;
-#endif
+                    #endif
                     }
                     CYTHON_FALLTHROUGH;
                 case 3:
                     if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                         a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                         break;
-#ifdef HAVE_LONG_LONG
+                    #ifdef HAVE_LONG_LONG
                     } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                         lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                         goto long_long;
-#endif
+                    #endif
                     }
                     CYTHON_FALLTHROUGH;
                 case -4:
                     if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                         a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                         break;
-#ifdef HAVE_LONG_LONG
+                    #ifdef HAVE_LONG_LONG
                     } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                         lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                         goto long_long;
-#endif
+                    #endif
                     }
                     CYTHON_FALLTHROUGH;
                 case 4:
                     if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                         a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                         break;
-#ifdef HAVE_LONG_LONG
+                    #ifdef HAVE_LONG_LONG
                     } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                         lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                         goto long_long;
-#endif
+                    #endif
                     }
                     CYTHON_FALLTHROUGH;
                 default: return PyLong_Type.tp_as_number->nb_subtract(op1, op2);
@@ -20843,8 +26237,13 @@ static PyObject* __Pyx_PyInt_SubtractObjC(PyObject *op1, PyObject *op2, CYTHON_U
     #endif
     if (PyFloat_CheckExact(op1)) {
         const long b = intval;
+#if CYTHON_COMPILING_IN_LIMITED_API
+        double a = __pyx_PyFloat_AsDouble(op1);
+#else
         double a = PyFloat_AS_DOUBLE(op1);
+#endif
             double result;
+            
             PyFPE_START_PROTECT("subtract", return NULL)
             result = ((double)a) - (double)b;
             PyFPE_END_PROTECT(result)
@@ -20854,1260 +26253,1809 @@ static PyObject* __Pyx_PyInt_SubtractObjC(PyObject *op1, PyObject *op2, CYTHON_U
 }
 #endif
 
-/* PyErrFetchRestore */
-#if CYTHON_FAST_THREAD_STATE
-static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    tmp_type = tstate->curexc_type;
-    tmp_value = tstate->curexc_value;
-    tmp_tb = tstate->curexc_traceback;
-    tstate->curexc_type = type;
-    tstate->curexc_value = value;
-    tstate->curexc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-}
-static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    *type = tstate->curexc_type;
-    *value = tstate->curexc_value;
-    *tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-}
+/* PyObject_GenericGetAttrNoDict */
+#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
+static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) {
+    __Pyx_TypeName type_name = __Pyx_PyType_GetName(tp);
+    PyErr_Format(PyExc_AttributeError,
+#if PY_MAJOR_VERSION >= 3
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%U'",
+                 type_name, attr_name);
+#else
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%.400s'",
+                 type_name, PyString_AS_STRING(attr_name));
 #endif
-
-/* RaiseException */
-#if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
-    __Pyx_PyThreadState_declare
-    Py_XINCREF(type);
-    if (!value || value == Py_None)
-        value = NULL;
-    else
-        Py_INCREF(value);
-    if (!tb || tb == Py_None)
-        tb = NULL;
-    else {
-        Py_INCREF(tb);
-        if (!PyTraceBack_Check(tb)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: arg 3 must be a traceback or None");
-            goto raise_error;
-        }
+    __Pyx_DECREF_TypeName(type_name);
+    return NULL;
+}
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) {
+    PyObject *descr;
+    PyTypeObject *tp = Py_TYPE(obj);
+    if (unlikely(!PyString_Check(attr_name))) {
+        return PyObject_GenericGetAttr(obj, attr_name);
     }
-    if (PyType_Check(type)) {
-#if CYTHON_COMPILING_IN_PYPY
-        if (!value) {
-            Py_INCREF(Py_None);
-            value = Py_None;
+    assert(!tp->tp_dictoffset);
+    descr = _PyType_Lookup(tp, attr_name);
+    if (unlikely(!descr)) {
+        return __Pyx_RaiseGenericGetAttributeError(tp, attr_name);
+    }
+    Py_INCREF(descr);
+    #if PY_MAJOR_VERSION < 3
+    if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS)))
+    #endif
+    {
+        descrgetfunc f = Py_TYPE(descr)->tp_descr_get;
+        if (unlikely(f)) {
+            PyObject *res = f(descr, obj, (PyObject *)tp);
+            Py_DECREF(descr);
+            return res;
         }
+    }
+    return descr;
+}
 #endif
-        PyErr_NormalizeException(&type, &value, &tb);
-    } else {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto raise_error;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(type);
-        Py_INCREF(type);
-        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception class must be a subclass of BaseException");
-            goto raise_error;
-        }
+
+/* PyObject_GenericGetAttr */
+#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
+static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) {
+    if (unlikely(Py_TYPE(obj)->tp_dictoffset)) {
+        return PyObject_GenericGetAttr(obj, attr_name);
     }
-    __Pyx_PyThreadState_assign
-    __Pyx_ErrRestore(type, value, tb);
-    return;
-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
+    return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name);
 }
+#endif
+
+/* FixUpExtensionType */
+#if CYTHON_USE_TYPE_SPECS
+static int __Pyx_fix_up_extension_type_from_spec(PyType_Spec *spec, PyTypeObject *type) {
+#if PY_VERSION_HEX > 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    CYTHON_UNUSED_VAR(spec);
+    CYTHON_UNUSED_VAR(type);
 #else
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    PyObject* owned_instance = NULL;
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
-    }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (PyExceptionClass_Check(type)) {
-        PyObject *instance_class = NULL;
-        if (value && PyExceptionInstance_Check(value)) {
-            instance_class = (PyObject*) Py_TYPE(value);
-            if (instance_class != type) {
-                int is_subclass = PyObject_IsSubclass(instance_class, type);
-                if (!is_subclass) {
-                    instance_class = NULL;
-                } else if (unlikely(is_subclass == -1)) {
-                    goto bad;
-                } else {
-                    type = instance_class;
+    const PyType_Slot *slot = spec->slots;
+    while (slot && slot->slot && slot->slot != Py_tp_members)
+        slot++;
+    if (slot && slot->slot == Py_tp_members) {
+        int changed = 0;
+#if !(PY_VERSION_HEX <= 0x030900b1 && CYTHON_COMPILING_IN_CPYTHON)
+        const
+#endif
+            PyMemberDef *memb = (PyMemberDef*) slot->pfunc;
+        while (memb && memb->name) {
+            if (memb->name[0] == '_' && memb->name[1] == '_') {
+#if PY_VERSION_HEX < 0x030900b1
+                if (strcmp(memb->name, "__weaklistoffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+                    type->tp_weaklistoffset = memb->offset;
+                    changed = 1;
                 }
+                else if (strcmp(memb->name, "__dictoffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+                    type->tp_dictoffset = memb->offset;
+                    changed = 1;
+                }
+#if CYTHON_METH_FASTCALL
+                else if (strcmp(memb->name, "__vectorcalloffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+#if PY_VERSION_HEX >= 0x030800b4
+                    type->tp_vectorcall_offset = memb->offset;
+#else
+                    type->tp_print = (printfunc) memb->offset;
+#endif
+                    changed = 1;
+                }
+#endif
+#else
+                if ((0));
+#endif
+#if PY_VERSION_HEX <= 0x030900b1 && CYTHON_COMPILING_IN_CPYTHON
+                else if (strcmp(memb->name, "__module__") == 0) {
+                    PyObject *descr;
+                    assert(memb->type == T_OBJECT);
+                    assert(memb->flags == 0 || memb->flags == READONLY);
+                    descr = PyDescr_NewMember(type, memb);
+                    if (unlikely(!descr))
+                        return -1;
+                    if (unlikely(PyDict_SetItem(type->tp_dict, PyDescr_NAME(descr), descr) < 0)) {
+                        Py_DECREF(descr);
+                        return -1;
+                    }
+                    Py_DECREF(descr);
+                    changed = 1;
+                }
+#endif
             }
+            memb++;
         }
-        if (!instance_class) {
-            PyObject *args;
-            if (!value)
-                args = PyTuple_New(0);
-            else if (PyTuple_Check(value)) {
-                Py_INCREF(value);
-                args = value;
-            } else
-                args = PyTuple_Pack(1, value);
-            if (!args)
-                goto bad;
-            owned_instance = PyObject_Call(type, args, NULL);
-            Py_DECREF(args);
-            if (!owned_instance)
-                goto bad;
-            value = owned_instance;
-            if (!PyExceptionInstance_Check(value)) {
-                PyErr_Format(PyExc_TypeError,
-                             "calling %R should have returned an instance of "
-                             "BaseException, not %R",
-                             type, Py_TYPE(value));
-                goto bad;
-            }
-        }
-    } else {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
+        if (changed)
+            PyType_Modified(type);
     }
-    if (cause) {
-        PyObject *fixed_cause;
-        if (cause == Py_None) {
-            fixed_cause = NULL;
-        } else if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
-        } else if (PyExceptionInstance_Check(cause)) {
-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
+#endif
+    return 0;
+}
+#endif
+
+/* PyObjectCallNoArg */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
+    PyObject *arg[2] = {NULL, NULL};
+    return __Pyx_PyObject_FastCall(func, arg + 1, 0 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET);
+}
+
+/* PyObjectGetMethod */
+static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method) {
+    PyObject *attr;
+#if CYTHON_UNPACK_METHODS && CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_PYTYPE_LOOKUP
+    __Pyx_TypeName type_name;
+    PyTypeObject *tp = Py_TYPE(obj);
+    PyObject *descr;
+    descrgetfunc f = NULL;
+    PyObject **dictptr, *dict;
+    int meth_found = 0;
+    assert (*method == NULL);
+    if (unlikely(tp->tp_getattro != PyObject_GenericGetAttr)) {
+        attr = __Pyx_PyObject_GetAttrStr(obj, name);
+        goto try_unpack;
+    }
+    if (unlikely(tp->tp_dict == NULL) && unlikely(PyType_Ready(tp) < 0)) {
+        return 0;
+    }
+    descr = _PyType_Lookup(tp, name);
+    if (likely(descr != NULL)) {
+        Py_INCREF(descr);
+#if defined(Py_TPFLAGS_METHOD_DESCRIPTOR) && Py_TPFLAGS_METHOD_DESCRIPTOR
+        if (__Pyx_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR))
+#elif PY_MAJOR_VERSION >= 3
+        #ifdef __Pyx_CyFunction_USED
+        if (likely(PyFunction_Check(descr) || __Pyx_IS_TYPE(descr, &PyMethodDescr_Type) || __Pyx_CyFunction_Check(descr)))
+        #else
+        if (likely(PyFunction_Check(descr) || __Pyx_IS_TYPE(descr, &PyMethodDescr_Type)))
+        #endif
+#else
+        #ifdef __Pyx_CyFunction_USED
+        if (likely(PyFunction_Check(descr) || __Pyx_CyFunction_Check(descr)))
+        #else
+        if (likely(PyFunction_Check(descr)))
+        #endif
+#endif
+        {
+            meth_found = 1;
         } else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
+            f = Py_TYPE(descr)->tp_descr_get;
+            if (f != NULL && PyDescr_IsData(descr)) {
+                attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
+                Py_DECREF(descr);
+                goto try_unpack;
+            }
         }
-        PyException_SetCause(value, fixed_cause);
     }
-    PyErr_SetObject(type, value);
-    if (tb) {
-#if CYTHON_COMPILING_IN_PYPY
-        PyObject *tmp_type, *tmp_value, *tmp_tb;
-        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
-        Py_INCREF(tb);
-        PyErr_Restore(tmp_type, tmp_value, tb);
-        Py_XDECREF(tmp_tb);
-#else
-        PyThreadState *tstate = __Pyx_PyThreadState_Current;
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
+    dictptr = _PyObject_GetDictPtr(obj);
+    if (dictptr != NULL && (dict = *dictptr) != NULL) {
+        Py_INCREF(dict);
+        attr = __Pyx_PyDict_GetItemStr(dict, name);
+        if (attr != NULL) {
+            Py_INCREF(attr);
+            Py_DECREF(dict);
+            Py_XDECREF(descr);
+            goto try_unpack;
         }
+        Py_DECREF(dict);
+    }
+    if (meth_found) {
+        *method = descr;
+        return 1;
+    }
+    if (f != NULL) {
+        attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
+        Py_DECREF(descr);
+        goto try_unpack;
+    }
+    if (likely(descr != NULL)) {
+        *method = descr;
+        return 0;
+    }
+    type_name = __Pyx_PyType_GetName(tp);
+    PyErr_Format(PyExc_AttributeError,
+#if PY_MAJOR_VERSION >= 3
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%U'",
+                 type_name, name);
+#else
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%.400s'",
+                 type_name, PyString_AS_STRING(name));
 #endif
+    __Pyx_DECREF_TypeName(type_name);
+    return 0;
+#else
+    attr = __Pyx_PyObject_GetAttrStr(obj, name);
+    goto try_unpack;
+#endif
+try_unpack:
+#if CYTHON_UNPACK_METHODS
+    if (likely(attr) && PyMethod_Check(attr) && likely(PyMethod_GET_SELF(attr) == obj)) {
+        PyObject *function = PyMethod_GET_FUNCTION(attr);
+        Py_INCREF(function);
+        Py_DECREF(attr);
+        *method = function;
+        return 1;
     }
-bad:
-    Py_XDECREF(owned_instance);
-    return;
-}
 #endif
+    *method = attr;
+    return 0;
+}
 
-/* BytesEquals */
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-    if (s1 == s2) {
-        return (equals == Py_EQ);
-    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
-        const char *ps1, *ps2;
-        Py_ssize_t length = PyBytes_GET_SIZE(s1);
-        if (length != PyBytes_GET_SIZE(s2))
-            return (equals == Py_NE);
-        ps1 = PyBytes_AS_STRING(s1);
-        ps2 = PyBytes_AS_STRING(s2);
-        if (ps1[0] != ps2[0]) {
-            return (equals == Py_NE);
-        } else if (length == 1) {
-            return (equals == Py_EQ);
-        } else {
-            int result;
-#if CYTHON_USE_UNICODE_INTERNALS
-            Py_hash_t hash1, hash2;
-            hash1 = ((PyBytesObject*)s1)->ob_shash;
-            hash2 = ((PyBytesObject*)s2)->ob_shash;
-            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
-                return (equals == Py_NE);
-            }
-#endif
-            result = memcmp(ps1, ps2, (size_t)length);
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
-        return (equals == Py_NE);
-    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
-        return (equals == Py_NE);
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
+/* PyObjectCallMethod0 */
+static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name) {
+    PyObject *method = NULL, *result = NULL;
+    int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method);
+    if (likely(is_method)) {
+        result = __Pyx_PyObject_CallOneArg(method, obj);
+        Py_DECREF(method);
         return result;
     }
-#endif
+    if (unlikely(!method)) goto bad;
+    result = __Pyx_PyObject_CallNoArg(method);
+    Py_DECREF(method);
+bad:
+    return result;
 }
 
-/* UnicodeEquals */
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
+/* ValidateBasesTuple */
+#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_USE_TYPE_SPECS
+static int __Pyx_validate_bases_tuple(const char *type_name, Py_ssize_t dictoffset, PyObject *bases) {
+    Py_ssize_t i, n;
+#if CYTHON_ASSUME_SAFE_MACROS
+    n = PyTuple_GET_SIZE(bases);
 #else
-#if PY_MAJOR_VERSION < 3
-    PyObject* owned_ref = NULL;
+    n = PyTuple_Size(bases);
+    if (n < 0) return -1;
 #endif
-    int s1_is_unicode, s2_is_unicode;
-    if (s1 == s2) {
-        goto return_eq;
-    }
-    s1_is_unicode = PyUnicode_CheckExact(s1);
-    s2_is_unicode = PyUnicode_CheckExact(s2);
+    for (i = 1; i < n; i++)
+    {
+#if CYTHON_AVOID_BORROWED_REFS
+        PyObject *b0 = PySequence_GetItem(bases, i);
+        if (!b0) return -1;
+#elif CYTHON_ASSUME_SAFE_MACROS
+        PyObject *b0 = PyTuple_GET_ITEM(bases, i);
+#else
+        PyObject *b0 = PyTuple_GetItem(bases, i);
+        if (!b0) return -1;
+#endif
+        PyTypeObject *b;
 #if PY_MAJOR_VERSION < 3
-    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
-        owned_ref = PyUnicode_FromObject(s2);
-        if (unlikely(!owned_ref))
-            return -1;
-        s2 = owned_ref;
-        s2_is_unicode = 1;
-    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
-        owned_ref = PyUnicode_FromObject(s1);
-        if (unlikely(!owned_ref))
+        if (PyClass_Check(b0))
+        {
+            PyErr_Format(PyExc_TypeError, "base class '%.200s' is an old-style class",
+                         PyString_AS_STRING(((PyClassObject*)b0)->cl_name));
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_DECREF(b0);
+#endif
             return -1;
-        s1 = owned_ref;
-        s1_is_unicode = 1;
-    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
-        return __Pyx_PyBytes_Equals(s1, s2, equals);
-    }
+        }
+#endif
+        b = (PyTypeObject*) b0;
+        if (!__Pyx_PyType_HasFeature(b, Py_TPFLAGS_HEAPTYPE))
+        {
+            __Pyx_TypeName b_name = __Pyx_PyType_GetName(b);
+            PyErr_Format(PyExc_TypeError,
+                "base class '" __Pyx_FMT_TYPENAME "' is not a heap type", b_name);
+            __Pyx_DECREF_TypeName(b_name);
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_DECREF(b0);
 #endif
-    if (s1_is_unicode & s2_is_unicode) {
-        Py_ssize_t length;
-        int kind;
-        void *data1, *data2;
-        if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0))
             return -1;
-        length = __Pyx_PyUnicode_GET_LENGTH(s1);
-        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
-            goto return_ne;
         }
-#if CYTHON_USE_UNICODE_INTERNALS
+        if (dictoffset == 0)
         {
-            Py_hash_t hash1, hash2;
-        #if CYTHON_PEP393_ENABLED
-            hash1 = ((PyASCIIObject*)s1)->hash;
-            hash2 = ((PyASCIIObject*)s2)->hash;
-        #else
-            hash1 = ((PyUnicodeObject*)s1)->hash;
-            hash2 = ((PyUnicodeObject*)s2)->hash;
-        #endif
-            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
-                goto return_ne;
+            Py_ssize_t b_dictoffset = 0;
+#if CYTHON_USE_TYPE_SLOTS || CYTHON_COMPILING_IN_PYPY
+            b_dictoffset = b->tp_dictoffset;
+#else
+            PyObject *py_b_dictoffset = PyObject_GetAttrString((PyObject*)b, "__dictoffset__");
+            if (!py_b_dictoffset) goto dictoffset_return;
+            b_dictoffset = PyLong_AsSsize_t(py_b_dictoffset);
+            Py_DECREF(py_b_dictoffset);
+            if (b_dictoffset == -1 && PyErr_Occurred()) goto dictoffset_return;
+#endif
+            if (b_dictoffset) {
+                {
+                    __Pyx_TypeName b_name = __Pyx_PyType_GetName(b);
+                    PyErr_Format(PyExc_TypeError,
+                        "extension type '%.200s' has no __dict__ slot, "
+                        "but base type '" __Pyx_FMT_TYPENAME "' has: "
+                        "either add 'cdef dict __dict__' to the extension type "
+                        "or add '__slots__ = [...]' to the base type",
+                        type_name, b_name);
+                    __Pyx_DECREF_TypeName(b_name);
+                }
+#if !(CYTHON_USE_TYPE_SLOTS || CYTHON_COMPILING_IN_PYPY)
+              dictoffset_return:
+#endif
+#if CYTHON_AVOID_BORROWED_REFS
+                Py_DECREF(b0);
+#endif
+                return -1;
             }
         }
+#if CYTHON_AVOID_BORROWED_REFS
+        Py_DECREF(b0);
 #endif
-        kind = __Pyx_PyUnicode_KIND(s1);
-        if (kind != __Pyx_PyUnicode_KIND(s2)) {
-            goto return_ne;
-        }
-        data1 = __Pyx_PyUnicode_DATA(s1);
-        data2 = __Pyx_PyUnicode_DATA(s2);
-        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
-            goto return_ne;
-        } else if (length == 1) {
-            goto return_eq;
-        } else {
-            int result = memcmp(data1, data2, (size_t)(length * kind));
-            #if PY_MAJOR_VERSION < 3
-            Py_XDECREF(owned_ref);
-            #endif
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & s2_is_unicode) {
-        goto return_ne;
-    } else if ((s2 == Py_None) & s1_is_unicode) {
-        goto return_ne;
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        #if PY_MAJOR_VERSION < 3
-        Py_XDECREF(owned_ref);
+    }
+    return 0;
+}
+#endif
+
+/* PyType_Ready */
+static int __Pyx_PyType_Ready(PyTypeObject *t) {
+#if CYTHON_USE_TYPE_SPECS || !(CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API) || defined(PYSTON_MAJOR_VERSION)
+    (void)__Pyx_PyObject_CallMethod0;
+#if CYTHON_USE_TYPE_SPECS
+    (void)__Pyx_validate_bases_tuple;
+#endif
+    return PyType_Ready(t);
+#else
+    int r;
+    PyObject *bases = __Pyx_PyType_GetSlot(t, tp_bases, PyObject*);
+    if (bases && unlikely(__Pyx_validate_bases_tuple(t->tp_name, t->tp_dictoffset, bases) == -1))
+        return -1;
+#if PY_VERSION_HEX >= 0x03050000 && !defined(PYSTON_MAJOR_VERSION)
+    {
+        int gc_was_enabled;
+    #if PY_VERSION_HEX >= 0x030A00b1
+        gc_was_enabled = PyGC_Disable();
+        (void)__Pyx_PyObject_CallMethod0;
+    #else
+        PyObject *ret, *py_status;
+        PyObject *gc = NULL;
+        #if PY_VERSION_HEX >= 0x030700a1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM+0 >= 0x07030400)
+        gc = PyImport_GetModule(__pyx_kp_u_gc);
         #endif
-        if (!py_result)
+        if (unlikely(!gc)) gc = PyImport_Import(__pyx_kp_u_gc);
+        if (unlikely(!gc)) return -1;
+        py_status = __Pyx_PyObject_CallMethod0(gc, __pyx_kp_u_isenabled);
+        if (unlikely(!py_status)) {
+            Py_DECREF(gc);
             return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-return_eq:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_EQ);
-return_ne:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
+        }
+        gc_was_enabled = __Pyx_PyObject_IsTrue(py_status);
+        Py_DECREF(py_status);
+        if (gc_was_enabled > 0) {
+            ret = __Pyx_PyObject_CallMethod0(gc, __pyx_kp_u_disable);
+            if (unlikely(!ret)) {
+                Py_DECREF(gc);
+                return -1;
+            }
+            Py_DECREF(ret);
+        } else if (unlikely(gc_was_enabled == -1)) {
+            Py_DECREF(gc);
+            return -1;
+        }
     #endif
-    return (equals == Py_NE);
+        t->tp_flags |= Py_TPFLAGS_HEAPTYPE;
+#if PY_VERSION_HEX >= 0x030A0000
+        t->tp_flags |= Py_TPFLAGS_IMMUTABLETYPE;
 #endif
-}
-
-/* None */
-static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t a, Py_ssize_t b) {
-    Py_ssize_t q = a / b;
-    Py_ssize_t r = a - q*b;
-    q -= ((r != 0) & ((r ^ b) < 0));
-    return q;
-}
-
-/* GetAttr */
-static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) {
-#if CYTHON_USE_TYPE_SLOTS
-#if PY_MAJOR_VERSION >= 3
-    if (likely(PyUnicode_Check(n)))
 #else
-    if (likely(PyString_Check(n)))
+        (void)__Pyx_PyObject_CallMethod0;
+#endif
+    r = PyType_Ready(t);
+#if PY_VERSION_HEX >= 0x03050000 && !defined(PYSTON_MAJOR_VERSION)
+        t->tp_flags &= ~Py_TPFLAGS_HEAPTYPE;
+    #if PY_VERSION_HEX >= 0x030A00b1
+        if (gc_was_enabled)
+            PyGC_Enable();
+    #else
+        if (gc_was_enabled) {
+            PyObject *tp, *v, *tb;
+            PyErr_Fetch(&tp, &v, &tb);
+            ret = __Pyx_PyObject_CallMethod0(gc, __pyx_kp_u_enable);
+            if (likely(ret || r == -1)) {
+                Py_XDECREF(ret);
+                PyErr_Restore(tp, v, tb);
+            } else {
+                Py_XDECREF(tp);
+                Py_XDECREF(v);
+                Py_XDECREF(tb);
+                r = -1;
+            }
+        }
+        Py_DECREF(gc);
+    #endif
+    }
 #endif
-        return __Pyx_PyObject_GetAttrStr(o, n);
+    return r;
 #endif
-    return PyObject_GetAttr(o, n);
 }
 
-/* GetItemInt */
-static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
-    PyObject *r;
-    if (!j) return NULL;
-    r = PyObject_GetItem(o, j);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
-                                                              CYTHON_NCP_UNUSED int wraparound,
-                                                              CYTHON_NCP_UNUSED int boundscheck) {
-#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-    Py_ssize_t wrapped_i = i;
-    if (wraparound & unlikely(i < 0)) {
-        wrapped_i += PyList_GET_SIZE(o);
-    }
-    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) {
-        PyObject *r = PyList_GET_ITEM(o, wrapped_i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+/* SetVTable */
+static int __Pyx_SetVtable(PyTypeObject *type, void *vtable) {
+    PyObject *ob = PyCapsule_New(vtable, 0, 0);
+    if (unlikely(!ob))
+        goto bad;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    if (unlikely(PyObject_SetAttr((PyObject *) type, __pyx_n_s_pyx_vtable, ob) < 0))
 #else
-    return PySequence_GetItem(o, i);
+    if (unlikely(PyDict_SetItem(type->tp_dict, __pyx_n_s_pyx_vtable, ob) < 0))
 #endif
+        goto bad;
+    Py_DECREF(ob);
+    return 0;
+bad:
+    Py_XDECREF(ob);
+    return -1;
 }
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
-                                                              CYTHON_NCP_UNUSED int wraparound,
-                                                              CYTHON_NCP_UNUSED int boundscheck) {
-#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-    Py_ssize_t wrapped_i = i;
-    if (wraparound & unlikely(i < 0)) {
-        wrapped_i += PyTuple_GET_SIZE(o);
-    }
-    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) {
-        PyObject *r = PyTuple_GET_ITEM(o, wrapped_i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+
+/* GetVTable */
+static void* __Pyx_GetVtable(PyTypeObject *type) {
+    void* ptr;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *ob = PyObject_GetAttr((PyObject *)type, __pyx_n_s_pyx_vtable);
 #else
-    return PySequence_GetItem(o, i);
+    PyObject *ob = PyObject_GetItem(type->tp_dict, __pyx_n_s_pyx_vtable);
 #endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
-                                                     CYTHON_NCP_UNUSED int wraparound,
-                                                     CYTHON_NCP_UNUSED int boundscheck) {
-#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
-    if (is_list || PyList_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
-        if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) {
-            PyObject *r = PyList_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
+    if (!ob)
+        goto bad;
+    ptr = PyCapsule_GetPointer(ob, 0);
+    if (!ptr && !PyErr_Occurred())
+        PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
+    Py_DECREF(ob);
+    return ptr;
+bad:
+    Py_XDECREF(ob);
+    return NULL;
+}
+
+/* MergeVTables */
+#if !CYTHON_COMPILING_IN_LIMITED_API
+static int __Pyx_MergeVtables(PyTypeObject *type) {
+    int i;
+    void** base_vtables;
+    __Pyx_TypeName tp_base_name;
+    __Pyx_TypeName base_name;
+    void* unknown = (void*)-1;
+    PyObject* bases = type->tp_bases;
+    int base_depth = 0;
+    {
+        PyTypeObject* base = type->tp_base;
+        while (base) {
+            base_depth += 1;
+            base = base->tp_base;
         }
     }
-    else if (PyTuple_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
-        if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    } else {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_item)) {
-            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-                Py_ssize_t l = m->sq_length(o);
-                if (likely(l >= 0)) {
-                    i += l;
-                } else {
-                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
-                        return NULL;
-                    PyErr_Clear();
+    base_vtables = (void**) malloc(sizeof(void*) * (size_t)(base_depth + 1));
+    base_vtables[0] = unknown;
+    for (i = 1; i < PyTuple_GET_SIZE(bases); i++) {
+        void* base_vtable = __Pyx_GetVtable(((PyTypeObject*)PyTuple_GET_ITEM(bases, i)));
+        if (base_vtable != NULL) {
+            int j;
+            PyTypeObject* base = type->tp_base;
+            for (j = 0; j < base_depth; j++) {
+                if (base_vtables[j] == unknown) {
+                    base_vtables[j] = __Pyx_GetVtable(base);
+                    base_vtables[j + 1] = unknown;
+                }
+                if (base_vtables[j] == base_vtable) {
+                    break;
+                } else if (base_vtables[j] == NULL) {
+                    goto bad;
                 }
+                base = base->tp_base;
             }
-            return m->sq_item(o, i);
         }
     }
-#else
-    if (is_list || PySequence_Check(o)) {
-        return PySequence_GetItem(o, i);
-    }
-#endif
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+    PyErr_Clear();
+    free(base_vtables);
+    return 0;
+bad:
+    tp_base_name = __Pyx_PyType_GetName(type->tp_base);
+    base_name = __Pyx_PyType_GetName((PyTypeObject*)PyTuple_GET_ITEM(bases, i));
+    PyErr_Format(PyExc_TypeError,
+        "multiple bases have vtable conflict: '" __Pyx_FMT_TYPENAME "' and '" __Pyx_FMT_TYPENAME "'", tp_base_name, base_name);
+    __Pyx_DECREF_TypeName(tp_base_name);
+    __Pyx_DECREF_TypeName(base_name);
+    free(base_vtables);
+    return -1;
 }
+#endif
 
-/* ObjectGetItem */
-#if CYTHON_USE_TYPE_SLOTS
-static PyObject *__Pyx_PyObject_GetIndex(PyObject *obj, PyObject* index) {
-    PyObject *runerr;
-    Py_ssize_t key_value;
-    PySequenceMethods *m = Py_TYPE(obj)->tp_as_sequence;
-    if (unlikely(!(m && m->sq_item))) {
-        PyErr_Format(PyExc_TypeError, "'%.200s' object is not subscriptable", Py_TYPE(obj)->tp_name);
-        return NULL;
-    }
-    key_value = __Pyx_PyIndex_AsSsize_t(index);
-    if (likely(key_value != -1 || !(runerr = PyErr_Occurred()))) {
-        return __Pyx_GetItemInt_Fast(obj, key_value, 0, 1, 1);
-    }
-    if (PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) {
-        PyErr_Clear();
-        PyErr_Format(PyExc_IndexError, "cannot fit '%.200s' into an index-sized integer", Py_TYPE(index)->tp_name);
-    }
-    return NULL;
+/* SetupReduce */
+#if !CYTHON_COMPILING_IN_LIMITED_API
+static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
+  int ret;
+  PyObject *name_attr;
+  name_attr = __Pyx_PyObject_GetAttrStrNoError(meth, __pyx_n_s_name_2);
+  if (likely(name_attr)) {
+      ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
+  } else {
+      ret = -1;
+  }
+  if (unlikely(ret < 0)) {
+      PyErr_Clear();
+      ret = 0;
+  }
+  Py_XDECREF(name_attr);
+  return ret;
 }
-static PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key) {
-    PyMappingMethods *m = Py_TYPE(obj)->tp_as_mapping;
-    if (likely(m && m->mp_subscript)) {
-        return m->mp_subscript(obj, key);
+static int __Pyx_setup_reduce(PyObject* type_obj) {
+    int ret = 0;
+    PyObject *object_reduce = NULL;
+    PyObject *object_getstate = NULL;
+    PyObject *object_reduce_ex = NULL;
+    PyObject *reduce = NULL;
+    PyObject *reduce_ex = NULL;
+    PyObject *reduce_cython = NULL;
+    PyObject *setstate = NULL;
+    PyObject *setstate_cython = NULL;
+    PyObject *getstate = NULL;
+#if CYTHON_USE_PYTYPE_LOOKUP
+    getstate = _PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate);
+#else
+    getstate = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_getstate);
+    if (!getstate && PyErr_Occurred()) {
+        goto __PYX_BAD;
     }
-    return __Pyx_PyObject_GetIndex(obj, key);
-}
 #endif
-
-/* decode_c_string */
-static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
-         const char* cstring, Py_ssize_t start, Py_ssize_t stop,
-         const char* encoding, const char* errors,
-         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) {
-    Py_ssize_t length;
-    if (unlikely((start < 0) | (stop < 0))) {
-        size_t slen = strlen(cstring);
-        if (unlikely(slen > (size_t) PY_SSIZE_T_MAX)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "c-string too long to convert to Python");
-            return NULL;
+    if (getstate) {
+#if CYTHON_USE_PYTYPE_LOOKUP
+        object_getstate = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_getstate);
+#else
+        object_getstate = __Pyx_PyObject_GetAttrStrNoError((PyObject*)&PyBaseObject_Type, __pyx_n_s_getstate);
+        if (!object_getstate && PyErr_Occurred()) {
+            goto __PYX_BAD;
         }
-        length = (Py_ssize_t) slen;
-        if (start < 0) {
-            start += length;
-            if (start < 0)
-                start = 0;
+#endif
+        if (object_getstate != getstate) {
+            goto __PYX_GOOD;
         }
-        if (stop < 0)
-            stop += length;
-    }
-    if (unlikely(stop <= start))
-        return __Pyx_NewRef(__pyx_empty_unicode);
-    length = stop - start;
-    cstring += start;
-    if (decode_func) {
-        return decode_func(cstring, length, errors);
-    } else {
-        return PyUnicode_Decode(cstring, length, encoding, errors);
-    }
-}
-
-/* PyErrExceptionMatches */
-#if CYTHON_FAST_THREAD_STATE
-static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
-    Py_ssize_t i, n;
-    n = PyTuple_GET_SIZE(tuple);
-#if PY_MAJOR_VERSION >= 3
-    for (i=0; i<n; i++) {
-        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
     }
+#if CYTHON_USE_PYTYPE_LOOKUP
+    object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+#else
+    object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
 #endif
-    for (i=0; i<n; i++) {
-        if (__Pyx_PyErr_GivenExceptionMatches(exc_type, PyTuple_GET_ITEM(tuple, i))) return 1;
+    reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD;
+    if (reduce_ex == object_reduce_ex) {
+#if CYTHON_USE_PYTYPE_LOOKUP
+        object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
+#else
+        object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
+#endif
+        reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD;
+        if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) {
+            reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython);
+            if (likely(reduce_cython)) {
+                ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+            } else if (reduce == object_reduce || PyErr_Occurred()) {
+                goto __PYX_BAD;
+            }
+            setstate = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate);
+            if (!setstate) PyErr_Clear();
+            if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) {
+                setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython);
+                if (likely(setstate_cython)) {
+                    ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                    ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                } else if (!setstate || PyErr_Occurred()) {
+                    goto __PYX_BAD;
+                }
+            }
+            PyType_Modified((PyTypeObject*)type_obj);
+        }
     }
-    return 0;
-}
-static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err) {
-    PyObject *exc_type = tstate->curexc_type;
-    if (exc_type == err) return 1;
-    if (unlikely(!exc_type)) return 0;
-    if (unlikely(PyTuple_Check(err)))
-        return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err);
-    return __Pyx_PyErr_GivenExceptionMatches(exc_type, err);
-}
+    goto __PYX_GOOD;
+__PYX_BAD:
+    if (!PyErr_Occurred()) {
+        __Pyx_TypeName type_obj_name =
+            __Pyx_PyType_GetName((PyTypeObject*)type_obj);
+        PyErr_Format(PyExc_RuntimeError,
+            "Unable to initialize pickling for " __Pyx_FMT_TYPENAME, type_obj_name);
+        __Pyx_DECREF_TypeName(type_obj_name);
+    }
+    ret = -1;
+__PYX_GOOD:
+#if !CYTHON_USE_PYTYPE_LOOKUP
+    Py_XDECREF(object_reduce);
+    Py_XDECREF(object_reduce_ex);
+    Py_XDECREF(object_getstate);
+    Py_XDECREF(getstate);
 #endif
-
-/* GetAttr3 */
-static PyObject *__Pyx_GetAttr3Default(PyObject *d) {
-    __Pyx_PyThreadState_declare
-    __Pyx_PyThreadState_assign
-    if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
-        return NULL;
-    __Pyx_PyErr_Clear();
-    Py_INCREF(d);
-    return d;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) {
-    PyObject *r = __Pyx_GetAttr(o, n);
-    return (likely(r)) ? r : __Pyx_GetAttr3Default(d);
-}
-
-/* RaiseTooManyValuesToUnpack */
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
-    PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
-}
-
-/* RaiseNeedMoreValuesToUnpack */
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
-    PyErr_Format(PyExc_ValueError,
-                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
-                 index, (index == 1) ? "" : "s");
+    Py_XDECREF(reduce);
+    Py_XDECREF(reduce_ex);
+    Py_XDECREF(reduce_cython);
+    Py_XDECREF(setstate);
+    Py_XDECREF(setstate_cython);
+    return ret;
 }
+#endif
 
-/* RaiseNoneIterError */
-static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
-    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
+/* FetchSharedCythonModule */
+static PyObject *__Pyx_FetchSharedCythonABIModule(void) {
+    return __Pyx_PyImport_AddModuleRef((char*) __PYX_ABI_MODULE_NAME);
 }
 
-/* ExtTypeTest */
-static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
-    if (unlikely(!type)) {
-        PyErr_SetString(PyExc_SystemError, "Missing type object");
-        return 0;
+/* FetchCommonType */
+static int __Pyx_VerifyCachedType(PyObject *cached_type,
+                               const char *name,
+                               Py_ssize_t basicsize,
+                               Py_ssize_t expected_basicsize) {
+    if (!PyType_Check(cached_type)) {
+        PyErr_Format(PyExc_TypeError,
+            "Shared Cython type %.200s is not a type object", name);
+        return -1;
+    }
+    if (basicsize != expected_basicsize) {
+        PyErr_Format(PyExc_TypeError,
+            "Shared Cython type %.200s has the wrong size, try recompiling",
+            name);
+        return -1;
     }
-    if (likely(__Pyx_TypeCheck(obj, type)))
-        return 1;
-    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
-                 Py_TYPE(obj)->tp_name, type->tp_name);
     return 0;
 }
-
-/* GetTopmostException */
-#if CYTHON_USE_EXC_INFO_STACK
-static _PyErr_StackItem *
-__Pyx_PyErr_GetTopmostException(PyThreadState *tstate)
-{
-    _PyErr_StackItem *exc_info = tstate->exc_info;
-    while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) &&
-           exc_info->previous_item != NULL)
-    {
-        exc_info = exc_info->previous_item;
+#if !CYTHON_USE_TYPE_SPECS
+static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
+    PyObject* abi_module;
+    const char* object_name;
+    PyTypeObject *cached_type = NULL;
+    abi_module = __Pyx_FetchSharedCythonABIModule();
+    if (!abi_module) return NULL;
+    object_name = strrchr(type->tp_name, '.');
+    object_name = object_name ? object_name+1 : type->tp_name;
+    cached_type = (PyTypeObject*) PyObject_GetAttrString(abi_module, object_name);
+    if (cached_type) {
+        if (__Pyx_VerifyCachedType(
+              (PyObject *)cached_type,
+              object_name,
+              cached_type->tp_basicsize,
+              type->tp_basicsize) < 0) {
+            goto bad;
+        }
+        goto done;
     }
-    return exc_info;
+    if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
+    PyErr_Clear();
+    if (PyType_Ready(type) < 0) goto bad;
+    if (PyObject_SetAttrString(abi_module, object_name, (PyObject *)type) < 0)
+        goto bad;
+    Py_INCREF(type);
+    cached_type = type;
+done:
+    Py_DECREF(abi_module);
+    return cached_type;
+bad:
+    Py_XDECREF(cached_type);
+    cached_type = NULL;
+    goto done;
+}
+#else
+static PyTypeObject *__Pyx_FetchCommonTypeFromSpec(PyObject *module, PyType_Spec *spec, PyObject *bases) {
+    PyObject *abi_module, *cached_type = NULL;
+    const char* object_name = strrchr(spec->name, '.');
+    object_name = object_name ? object_name+1 : spec->name;
+    abi_module = __Pyx_FetchSharedCythonABIModule();
+    if (!abi_module) return NULL;
+    cached_type = PyObject_GetAttrString(abi_module, object_name);
+    if (cached_type) {
+        Py_ssize_t basicsize;
+#if CYTHON_COMPILING_IN_LIMITED_API
+        PyObject *py_basicsize;
+        py_basicsize = PyObject_GetAttrString(cached_type, "__basicsize__");
+        if (unlikely(!py_basicsize)) goto bad;
+        basicsize = PyLong_AsSsize_t(py_basicsize);
+        Py_DECREF(py_basicsize);
+        py_basicsize = 0;
+        if (unlikely(basicsize == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
+#else
+        basicsize = likely(PyType_Check(cached_type)) ? ((PyTypeObject*) cached_type)->tp_basicsize : -1;
+#endif
+        if (__Pyx_VerifyCachedType(
+              cached_type,
+              object_name,
+              basicsize,
+              spec->basicsize) < 0) {
+            goto bad;
+        }
+        goto done;
+    }
+    if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
+    PyErr_Clear();
+    CYTHON_UNUSED_VAR(module);
+    cached_type = __Pyx_PyType_FromModuleAndSpec(abi_module, spec, bases);
+    if (unlikely(!cached_type)) goto bad;
+    if (unlikely(__Pyx_fix_up_extension_type_from_spec(spec, (PyTypeObject *) cached_type) < 0)) goto bad;
+    if (PyObject_SetAttrString(abi_module, object_name, cached_type) < 0) goto bad;
+done:
+    Py_DECREF(abi_module);
+    assert(cached_type == NULL || PyType_Check(cached_type));
+    return (PyTypeObject *) cached_type;
+bad:
+    Py_XDECREF(cached_type);
+    cached_type = NULL;
+    goto done;
 }
 #endif
 
-/* SaveResetException */
-#if CYTHON_FAST_THREAD_STATE
-static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    #if CYTHON_USE_EXC_INFO_STACK
-    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
-    *type = exc_info->exc_type;
-    *value = exc_info->exc_value;
-    *tb = exc_info->exc_traceback;
-    #else
-    *type = tstate->exc_type;
-    *value = tstate->exc_value;
-    *tb = tstate->exc_traceback;
-    #endif
-    Py_XINCREF(*type);
-    Py_XINCREF(*value);
-    Py_XINCREF(*tb);
+/* PyVectorcallFastCallDict */
+#if CYTHON_METH_FASTCALL
+static PyObject *__Pyx_PyVectorcall_FastCallDict_kw(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
+{
+    PyObject *res = NULL;
+    PyObject *kwnames;
+    PyObject **newargs;
+    PyObject **kwvalues;
+    Py_ssize_t i, pos;
+    size_t j;
+    PyObject *key, *value;
+    unsigned long keys_are_strings;
+    Py_ssize_t nkw = PyDict_GET_SIZE(kw);
+    newargs = (PyObject **)PyMem_Malloc((nargs + (size_t)nkw) * sizeof(args[0]));
+    if (unlikely(newargs == NULL)) {
+        PyErr_NoMemory();
+        return NULL;
+    }
+    for (j = 0; j < nargs; j++) newargs[j] = args[j];
+    kwnames = PyTuple_New(nkw);
+    if (unlikely(kwnames == NULL)) {
+        PyMem_Free(newargs);
+        return NULL;
+    }
+    kwvalues = newargs + nargs;
+    pos = i = 0;
+    keys_are_strings = Py_TPFLAGS_UNICODE_SUBCLASS;
+    while (PyDict_Next(kw, &pos, &key, &value)) {
+        keys_are_strings &= Py_TYPE(key)->tp_flags;
+        Py_INCREF(key);
+        Py_INCREF(value);
+        PyTuple_SET_ITEM(kwnames, i, key);
+        kwvalues[i] = value;
+        i++;
+    }
+    if (unlikely(!keys_are_strings)) {
+        PyErr_SetString(PyExc_TypeError, "keywords must be strings");
+        goto cleanup;
+    }
+    res = vc(func, newargs, nargs, kwnames);
+cleanup:
+    Py_DECREF(kwnames);
+    for (i = 0; i < nkw; i++)
+        Py_DECREF(kwvalues[i]);
+    PyMem_Free(newargs);
+    return res;
 }
-static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    #if CYTHON_USE_EXC_INFO_STACK
-    _PyErr_StackItem *exc_info = tstate->exc_info;
-    tmp_type = exc_info->exc_type;
-    tmp_value = exc_info->exc_value;
-    tmp_tb = exc_info->exc_traceback;
-    exc_info->exc_type = type;
-    exc_info->exc_value = value;
-    exc_info->exc_traceback = tb;
-    #else
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = type;
-    tstate->exc_value = value;
-    tstate->exc_traceback = tb;
-    #endif
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
+static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
+{
+    if (likely(kw == NULL) || PyDict_GET_SIZE(kw) == 0) {
+        return vc(func, args, nargs, NULL);
+    }
+    return __Pyx_PyVectorcall_FastCallDict_kw(func, vc, args, nargs, kw);
 }
 #endif
 
-/* GetException */
-#if CYTHON_FAST_THREAD_STATE
-static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb)
+/* CythonFunctionShared */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void *cfunc) {
+    if (__Pyx_CyFunction_Check(func)) {
+        return PyCFunction_GetFunction(((__pyx_CyFunctionObject*)func)->func) == (PyCFunction) cfunc;
+    } else if (PyCFunction_Check(func)) {
+        return PyCFunction_GetFunction(func) == (PyCFunction) cfunc;
+    }
+    return 0;
+}
 #else
-static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void *cfunc) {
+    return __Pyx_CyOrPyCFunction_Check(func) && __Pyx_CyOrPyCFunction_GET_FUNCTION(func) == (PyCFunction) cfunc;
+}
 #endif
-{
-    PyObject *local_type, *local_value, *local_tb;
-#if CYTHON_FAST_THREAD_STATE
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    local_type = tstate->curexc_type;
-    local_value = tstate->curexc_value;
-    local_tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
+static CYTHON_INLINE void __Pyx__CyFunction_SetClassObj(__pyx_CyFunctionObject* f, PyObject* classobj) {
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    __Pyx_Py_XDECREF_SET(
+        __Pyx_CyFunction_GetClassObj(f),
+            ((classobj) ? __Pyx_NewRef(classobj) : NULL));
 #else
-    PyErr_Fetch(&local_type, &local_value, &local_tb);
+    __Pyx_Py_XDECREF_SET(
+        ((PyCMethodObject *) (f))->mm_class,
+        (PyTypeObject*)((classobj) ? __Pyx_NewRef(classobj) : NULL));
 #endif
-    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
-#if CYTHON_FAST_THREAD_STATE
-    if (unlikely(tstate->curexc_type))
+}
+static PyObject *
+__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, void *closure)
+{
+    CYTHON_UNUSED_VAR(closure);
+    if (unlikely(op->func_doc == NULL)) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+        op->func_doc = PyObject_GetAttrString(op->func, "__doc__");
+        if (unlikely(!op->func_doc)) return NULL;
 #else
-    if (unlikely(PyErr_Occurred()))
+        if (((PyCFunctionObject*)op)->m_ml->ml_doc) {
+#if PY_MAJOR_VERSION >= 3
+            op->func_doc = PyUnicode_FromString(((PyCFunctionObject*)op)->m_ml->ml_doc);
+#else
+            op->func_doc = PyString_FromString(((PyCFunctionObject*)op)->m_ml->ml_doc);
+#endif
+            if (unlikely(op->func_doc == NULL))
+                return NULL;
+        } else {
+            Py_INCREF(Py_None);
+            return Py_None;
+        }
 #endif
-        goto bad;
-    #if PY_MAJOR_VERSION >= 3
-    if (local_tb) {
-        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
-            goto bad;
     }
-    #endif
-    Py_XINCREF(local_tb);
-    Py_XINCREF(local_type);
-    Py_XINCREF(local_value);
-    *type = local_type;
-    *value = local_value;
-    *tb = local_tb;
-#if CYTHON_FAST_THREAD_STATE
-    #if CYTHON_USE_EXC_INFO_STACK
-    {
-        _PyErr_StackItem *exc_info = tstate->exc_info;
-        tmp_type = exc_info->exc_type;
-        tmp_value = exc_info->exc_value;
-        tmp_tb = exc_info->exc_traceback;
-        exc_info->exc_type = local_type;
-        exc_info->exc_value = local_value;
-        exc_info->exc_traceback = local_tb;
+    Py_INCREF(op->func_doc);
+    return op->func_doc;
+}
+static int
+__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (value == NULL) {
+        value = Py_None;
     }
-    #else
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = local_type;
-    tstate->exc_value = local_value;
-    tstate->exc_traceback = local_tb;
-    #endif
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_doc, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(op->func_name == NULL)) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+        op->func_name = PyObject_GetAttrString(op->func, "__name__");
+#elif PY_MAJOR_VERSION >= 3
+        op->func_name = PyUnicode_InternFromString(((PyCFunctionObject*)op)->m_ml->ml_name);
 #else
-    PyErr_SetExcInfo(local_type, local_value, local_tb);
+        op->func_name = PyString_InternFromString(((PyCFunctionObject*)op)->m_ml->ml_name);
+#endif
+        if (unlikely(op->func_name == NULL))
+            return NULL;
+    }
+    Py_INCREF(op->func_name);
+    return op->func_name;
+}
+static int
+__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+#if PY_MAJOR_VERSION >= 3
+    if (unlikely(value == NULL || !PyUnicode_Check(value)))
+#else
+    if (unlikely(value == NULL || !PyString_Check(value)))
 #endif
+    {
+        PyErr_SetString(PyExc_TypeError,
+                        "__name__ must be set to a string object");
+        return -1;
+    }
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_name, value);
     return 0;
-bad:
-    *type = 0;
-    *value = 0;
-    *tb = 0;
-    Py_XDECREF(local_type);
-    Py_XDECREF(local_value);
-    Py_XDECREF(local_tb);
-    return -1;
 }
-
-/* SwapException */
-#if CYTHON_FAST_THREAD_STATE
-static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    #if CYTHON_USE_EXC_INFO_STACK
-    _PyErr_StackItem *exc_info = tstate->exc_info;
-    tmp_type = exc_info->exc_type;
-    tmp_value = exc_info->exc_value;
-    tmp_tb = exc_info->exc_traceback;
-    exc_info->exc_type = *type;
-    exc_info->exc_value = *value;
-    exc_info->exc_traceback = *tb;
-    #else
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = *type;
-    tstate->exc_value = *value;
-    tstate->exc_traceback = *tb;
-    #endif
-    *type = tmp_type;
-    *value = tmp_value;
-    *tb = tmp_tb;
+static PyObject *
+__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(op->func_qualname);
+    return op->func_qualname;
 }
+static int
+__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+#if PY_MAJOR_VERSION >= 3
+    if (unlikely(value == NULL || !PyUnicode_Check(value)))
 #else
-static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
-    PyErr_SetExcInfo(*type, *value, *tb);
-    *type = tmp_type;
-    *value = tmp_value;
-    *tb = tmp_tb;
-}
+    if (unlikely(value == NULL || !PyString_Check(value)))
 #endif
-
-/* Import */
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
-    PyObject *empty_list = 0;
-    PyObject *module = 0;
-    PyObject *global_dict = 0;
-    PyObject *empty_dict = 0;
-    PyObject *list;
-    #if PY_MAJOR_VERSION < 3
-    PyObject *py_import;
-    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
-    if (!py_import)
-        goto bad;
-    #endif
-    if (from_list)
-        list = from_list;
-    else {
-        empty_list = PyList_New(0);
-        if (!empty_list)
-            goto bad;
-        list = empty_list;
-    }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
-    empty_dict = PyDict_New();
-    if (!empty_dict)
-        goto bad;
     {
-        #if PY_MAJOR_VERSION >= 3
-        if (level == -1) {
-            if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) {
-                module = PyImport_ImportModuleLevelObject(
-                    name, global_dict, empty_dict, list, 1);
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
-                        goto bad;
-                    PyErr_Clear();
-                }
-            }
-            level = 0;
-        }
-        #endif
-        if (!module) {
-            #if PY_MAJOR_VERSION < 3
-            PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
-                goto bad;
-            module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, (PyObject *)NULL);
-            Py_DECREF(py_level);
-            #else
-            module = PyImport_ImportModuleLevelObject(
-                name, global_dict, empty_dict, list, level);
-            #endif
-        }
+        PyErr_SetString(PyExc_TypeError,
+                        "__qualname__ must be set to a string object");
+        return -1;
     }
-bad:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(py_import);
-    #endif
-    Py_XDECREF(empty_list);
-    Py_XDECREF(empty_dict);
-    return module;
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_qualname, value);
+    return 0;
 }
-
-/* FastTypeChecks */
-#if CYTHON_COMPILING_IN_CPYTHON
-static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
-    while (a) {
-        a = a->tp_base;
-        if (a == b)
-            return 1;
+static PyObject *
+__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(op->func_dict == NULL)) {
+        op->func_dict = PyDict_New();
+        if (unlikely(op->func_dict == NULL))
+            return NULL;
     }
-    return b == &PyBaseObject_Type;
+    Py_INCREF(op->func_dict);
+    return op->func_dict;
 }
-static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
-    PyObject *mro;
-    if (a == b) return 1;
-    mro = a->tp_mro;
-    if (likely(mro)) {
-        Py_ssize_t i, n;
-        n = PyTuple_GET_SIZE(mro);
-        for (i = 0; i < n; i++) {
-            if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
-                return 1;
-        }
-        return 0;
+static int
+__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(value == NULL)) {
+        PyErr_SetString(PyExc_TypeError,
+               "function's dictionary may not be deleted");
+        return -1;
     }
-    return __Pyx_InBases(a, b);
-}
-#if PY_MAJOR_VERSION == 2
-static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) {
-    PyObject *exception, *value, *tb;
-    int res;
-    __Pyx_PyThreadState_declare
-    __Pyx_PyThreadState_assign
-    __Pyx_ErrFetch(&exception, &value, &tb);
-    res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0;
-    if (unlikely(res == -1)) {
-        PyErr_WriteUnraisable(err);
-        res = 0;
+    if (unlikely(!PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+               "setting function's dictionary to a non-dict");
+        return -1;
     }
-    if (!res) {
-        res = PyObject_IsSubclass(err, exc_type2);
-        if (unlikely(res == -1)) {
-            PyErr_WriteUnraisable(err);
-            res = 0;
-        }
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_dict, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(op->func_globals);
+    return op->func_globals;
+}
+static PyObject *
+__Pyx_CyFunction_get_closure(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(op);
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(Py_None);
+    return Py_None;
+}
+static PyObject *
+__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op, void *context)
+{
+    PyObject* result = (op->func_code) ? op->func_code : Py_None;
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(result);
+    return result;
+}
+static int
+__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
+    int result = 0;
+    PyObject *res = op->defaults_getter((PyObject *) op);
+    if (unlikely(!res))
+        return -1;
+    #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
+    Py_INCREF(op->defaults_tuple);
+    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
+    Py_INCREF(op->defaults_kwdict);
+    #else
+    op->defaults_tuple = __Pyx_PySequence_ITEM(res, 0);
+    if (unlikely(!op->defaults_tuple)) result = -1;
+    else {
+        op->defaults_kwdict = __Pyx_PySequence_ITEM(res, 1);
+        if (unlikely(!op->defaults_kwdict)) result = -1;
     }
-    __Pyx_ErrRestore(exception, value, tb);
-    return res;
+    #endif
+    Py_DECREF(res);
+    return result;
 }
-#else
-static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
-    int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0;
-    if (!res) {
-        res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
+static int
+__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value) {
+        value = Py_None;
+    } else if (unlikely(value != Py_None && !PyTuple_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__defaults__ must be set to a tuple object");
+        return -1;
     }
-    return res;
+    PyErr_WarnEx(PyExc_RuntimeWarning, "changes to cyfunction.__defaults__ will not "
+                 "currently affect the values used in function calls", 1);
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->defaults_tuple, value);
+    return 0;
 }
-#endif
-static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
-    Py_ssize_t i, n;
-    assert(PyExceptionClass_Check(exc_type));
-    n = PyTuple_GET_SIZE(tuple);
-#if PY_MAJOR_VERSION >= 3
-    for (i=0; i<n; i++) {
-        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
-    }
-#endif
-    for (i=0; i<n; i++) {
-        PyObject *t = PyTuple_GET_ITEM(tuple, i);
-        #if PY_MAJOR_VERSION < 3
-        if (likely(exc_type == t)) return 1;
-        #endif
-        if (likely(PyExceptionClass_Check(t))) {
-            if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
+static PyObject *
+__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result = op->defaults_tuple;
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(!result)) {
+        if (op->defaults_getter) {
+            if (unlikely(__Pyx_CyFunction_init_defaults(op) < 0)) return NULL;
+            result = op->defaults_tuple;
         } else {
+            result = Py_None;
         }
     }
+    Py_INCREF(result);
+    return result;
+}
+static int
+__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value) {
+        value = Py_None;
+    } else if (unlikely(value != Py_None && !PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__kwdefaults__ must be set to a dict object");
+        return -1;
+    }
+    PyErr_WarnEx(PyExc_RuntimeWarning, "changes to cyfunction.__kwdefaults__ will not "
+                 "currently affect the values used in function calls", 1);
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->defaults_kwdict, value);
     return 0;
 }
-static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
-    if (likely(err == exc_type)) return 1;
-    if (likely(PyExceptionClass_Check(err))) {
-        if (likely(PyExceptionClass_Check(exc_type))) {
-            return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
-        } else if (likely(PyTuple_Check(exc_type))) {
-            return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
+static PyObject *
+__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result = op->defaults_kwdict;
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(!result)) {
+        if (op->defaults_getter) {
+            if (unlikely(__Pyx_CyFunction_init_defaults(op) < 0)) return NULL;
+            result = op->defaults_kwdict;
         } else {
+            result = Py_None;
         }
     }
-    return PyErr_GivenExceptionMatches(err, exc_type);
+    Py_INCREF(result);
+    return result;
 }
-static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
-    assert(PyExceptionClass_Check(exc_type1));
-    assert(PyExceptionClass_Check(exc_type2));
-    if (likely(err == exc_type1 || err == exc_type2)) return 1;
-    if (likely(PyExceptionClass_Check(err))) {
-        return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
+static int
+__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value || value == Py_None) {
+        value = NULL;
+    } else if (unlikely(!PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__annotations__ must be set to a dict object");
+        return -1;
     }
-    return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
+    Py_XINCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_annotations, value);
+    return 0;
 }
-#endif
-
-/* PyIntBinop */
-#if !CYTHON_COMPILING_IN_PYPY
-static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) {
-    (void)inplace;
-    (void)zerodivision_check;
-    #if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_CheckExact(op1))) {
-        const long b = intval;
-        long x;
-        long a = PyInt_AS_LONG(op1);
-            x = (long)((unsigned long)a + b);
-            if (likely((x^a) >= 0 || (x^b) >= 0))
-                return PyInt_FromLong(x);
-            return PyLong_Type.tp_as_number->nb_add(op1, op2);
+static PyObject *
+__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result = op->func_annotations;
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(!result)) {
+        result = PyDict_New();
+        if (unlikely(!result)) return NULL;
+        op->func_annotations = result;
     }
-    #endif
-    #if CYTHON_USE_PYLONG_INTERNALS
-    if (likely(PyLong_CheckExact(op1))) {
-        const long b = intval;
-        long a, x;
-#ifdef HAVE_LONG_LONG
-        const PY_LONG_LONG llb = intval;
-        PY_LONG_LONG lla, llx;
-#endif
-        const digit* digits = ((PyLongObject*)op1)->ob_digit;
-        const Py_ssize_t size = Py_SIZE(op1);
-        if (likely(__Pyx_sst_abs(size) <= 1)) {
-            a = likely(size) ? digits[0] : 0;
-            if (size == -1) a = -a;
-        } else {
-            switch (size) {
-                case -2:
-                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                        a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
-                        lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
-#endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case 2:
-                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                        a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
-                        lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
+    Py_INCREF(result);
+    return result;
+}
+static PyObject *
+__Pyx_CyFunction_get_is_coroutine(__pyx_CyFunctionObject *op, void *context) {
+    int is_coroutine;
+    CYTHON_UNUSED_VAR(context);
+    if (op->func_is_coroutine) {
+        return __Pyx_NewRef(op->func_is_coroutine);
+    }
+    is_coroutine = op->flags & __Pyx_CYFUNCTION_COROUTINE;
+#if PY_VERSION_HEX >= 0x03050000
+    if (is_coroutine) {
+        PyObject *module, *fromlist, *marker = __pyx_n_s_is_coroutine;
+        fromlist = PyList_New(1);
+        if (unlikely(!fromlist)) return NULL;
+        Py_INCREF(marker);
+#if CYTHON_ASSUME_SAFE_MACROS
+        PyList_SET_ITEM(fromlist, 0, marker);
+#else
+        if (unlikely(PyList_SetItem(fromlist, 0, marker) < 0)) {
+            Py_DECREF(marker);
+            Py_DECREF(fromlist);
+            return NULL;
+        }
 #endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case -3:
-                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                        a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
-                        lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
+        module = PyImport_ImportModuleLevelObject(__pyx_n_s_asyncio_coroutines, NULL, NULL, fromlist, 0);
+        Py_DECREF(fromlist);
+        if (unlikely(!module)) goto ignore;
+        op->func_is_coroutine = __Pyx_PyObject_GetAttrStr(module, marker);
+        Py_DECREF(module);
+        if (likely(op->func_is_coroutine)) {
+            return __Pyx_NewRef(op->func_is_coroutine);
+        }
+ignore:
+        PyErr_Clear();
+    }
 #endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case 3:
-                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                        a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
-                        lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
+    op->func_is_coroutine = __Pyx_PyBool_FromLong(is_coroutine);
+    return __Pyx_NewRef(op->func_is_coroutine);
+}
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *
+__Pyx_CyFunction_get_module(__pyx_CyFunctionObject *op, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    return PyObject_GetAttrString(op->func, "__module__");
+}
+static int
+__Pyx_CyFunction_set_module(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    return PyObject_SetAttrString(op->func, "__module__", value);
+}
+#endif
+static PyGetSetDef __pyx_CyFunction_getsets[] = {
+    {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
+    {(char *) "__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
+    {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
+    {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
+    {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
+    {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
+    {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
+    {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
+    {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
+    {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
+    {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
+    {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
+    {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
+    {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
+    {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
+    {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
+    {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
+    {(char *) "_is_coroutine", (getter)__Pyx_CyFunction_get_is_coroutine, 0, 0, 0},
+#if CYTHON_COMPILING_IN_LIMITED_API
+    {"__module__", (getter)__Pyx_CyFunction_get_module, (setter)__Pyx_CyFunction_set_module, 0, 0},
+#endif
+    {0, 0, 0, 0, 0}
+};
+static PyMemberDef __pyx_CyFunction_members[] = {
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    {(char *) "__module__", T_OBJECT, offsetof(PyCFunctionObject, m_module), 0, 0},
+#endif
+#if CYTHON_USE_TYPE_SPECS
+    {(char *) "__dictoffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_dict), READONLY, 0},
+#if CYTHON_METH_FASTCALL
+#if CYTHON_BACKPORT_VECTORCALL
+    {(char *) "__vectorcalloffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_vectorcall), READONLY, 0},
+#else
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    {(char *) "__vectorcalloffset__", T_PYSSIZET, offsetof(PyCFunctionObject, vectorcall), READONLY, 0},
 #endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case -4:
-                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                        a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
-                        lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
 #endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case 4:
-                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                        a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
-                        lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
 #endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                default: return PyLong_Type.tp_as_number->nb_add(op1, op2);
-            }
-        }
-                x = a + b;
-            return PyLong_FromLong(x);
-#ifdef HAVE_LONG_LONG
-        long_long:
-                llx = lla + llb;
-            return PyLong_FromLongLong(llx);
+#if PY_VERSION_HEX < 0x030500A0 || CYTHON_COMPILING_IN_LIMITED_API
+    {(char *) "__weaklistoffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_weakreflist), READONLY, 0},
+#else
+    {(char *) "__weaklistoffset__", T_PYSSIZET, offsetof(PyCFunctionObject, m_weakreflist), READONLY, 0},
 #endif
-        
-        
-    }
-    #endif
-    if (PyFloat_CheckExact(op1)) {
-        const long b = intval;
-        double a = PyFloat_AS_DOUBLE(op1);
-            double result;
-            PyFPE_START_PROTECT("add", return NULL)
-            result = ((double)a) + (double)b;
-            PyFPE_END_PROTECT(result)
-            return PyFloat_FromDouble(result);
-    }
-    return (inplace ? PyNumber_InPlaceAdd : PyNumber_Add)(op1, op2);
-}
 #endif
-
-/* None */
-static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) {
-    PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname);
-}
-
-/* None */
-static CYTHON_INLINE long __Pyx_div_long(long a, long b) {
-    long q = a / b;
-    long r = a - q*b;
-    q -= ((r != 0) & ((r ^ b) < 0));
-    return q;
-}
-
-/* ImportFrom */
-static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
-    PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
-    if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
-        PyErr_Format(PyExc_ImportError,
-        #if PY_MAJOR_VERSION < 3
-            "cannot import name %.230s", PyString_AS_STRING(name));
-        #else
-            "cannot import name %S", name);
-        #endif
-    }
-    return value;
-}
-
-/* HasAttr */
-static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) {
-    PyObject *r;
-    if (unlikely(!__Pyx_PyBaseString_Check(n))) {
-        PyErr_SetString(PyExc_TypeError,
-                        "hasattr(): attribute name must be string");
-        return -1;
-    }
-    r = __Pyx_GetAttr(o, n);
-    if (unlikely(!r)) {
-        PyErr_Clear();
-        return 0;
-    } else {
-        Py_DECREF(r);
-        return 1;
-    }
-}
-
-/* PyObject_GenericGetAttrNoDict */
-#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
-static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) {
-    PyErr_Format(PyExc_AttributeError,
+    {0, 0, 0,  0, 0}
+};
+static PyObject *
+__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, PyObject *args)
+{
+    CYTHON_UNUSED_VAR(args);
 #if PY_MAJOR_VERSION >= 3
-                 "'%.50s' object has no attribute '%U'",
-                 tp->tp_name, attr_name);
+    Py_INCREF(m->func_qualname);
+    return m->func_qualname;
 #else
-                 "'%.50s' object has no attribute '%.400s'",
-                 tp->tp_name, PyString_AS_STRING(attr_name));
+    return PyString_FromString(((PyCFunctionObject*)m)->m_ml->ml_name);
 #endif
-    return NULL;
 }
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) {
-    PyObject *descr;
-    PyTypeObject *tp = Py_TYPE(obj);
-    if (unlikely(!PyString_Check(attr_name))) {
-        return PyObject_GenericGetAttr(obj, attr_name);
-    }
-    assert(!tp->tp_dictoffset);
-    descr = _PyType_Lookup(tp, attr_name);
-    if (unlikely(!descr)) {
-        return __Pyx_RaiseGenericGetAttributeError(tp, attr_name);
-    }
-    Py_INCREF(descr);
-    #if PY_MAJOR_VERSION < 3
-    if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS)))
-    #endif
-    {
-        descrgetfunc f = Py_TYPE(descr)->tp_descr_get;
-        if (unlikely(f)) {
-            PyObject *res = f(descr, obj, (PyObject *)tp);
-            Py_DECREF(descr);
-            return res;
-        }
+static PyMethodDef __pyx_CyFunction_methods[] = {
+    {"__reduce__", (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
+    {0, 0, 0, 0}
+};
+#if PY_VERSION_HEX < 0x030500A0 || CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func_weakreflist)
+#else
+#define __Pyx_CyFunction_weakreflist(cyfunc) (((PyCFunctionObject*)cyfunc)->m_weakreflist)
+#endif
+static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject *op, PyMethodDef *ml, int flags, PyObject* qualname,
+                                       PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunctionObject *cf = (PyCFunctionObject*) op;
+#endif
+    if (unlikely(op == NULL))
+        return NULL;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    op->func = PyCFunction_NewEx(ml, (PyObject*)op, module);
+    if (unlikely(!op->func)) return NULL;
+#endif
+    op->flags = flags;
+    __Pyx_CyFunction_weakreflist(op) = NULL;
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    cf->m_ml = ml;
+    cf->m_self = (PyObject *) op;
+#endif
+    Py_XINCREF(closure);
+    op->func_closure = closure;
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    Py_XINCREF(module);
+    cf->m_module = module;
+#endif
+    op->func_dict = NULL;
+    op->func_name = NULL;
+    Py_INCREF(qualname);
+    op->func_qualname = qualname;
+    op->func_doc = NULL;
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    op->func_classobj = NULL;
+#else
+    ((PyCMethodObject*)op)->mm_class = NULL;
+#endif
+    op->func_globals = globals;
+    Py_INCREF(op->func_globals);
+    Py_XINCREF(code);
+    op->func_code = code;
+    op->defaults_pyobjects = 0;
+    op->defaults_size = 0;
+    op->defaults = NULL;
+    op->defaults_tuple = NULL;
+    op->defaults_kwdict = NULL;
+    op->defaults_getter = NULL;
+    op->func_annotations = NULL;
+    op->func_is_coroutine = NULL;
+#if CYTHON_METH_FASTCALL
+    switch (ml->ml_flags & (METH_VARARGS | METH_FASTCALL | METH_NOARGS | METH_O | METH_KEYWORDS | METH_METHOD)) {
+    case METH_NOARGS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_NOARGS;
+        break;
+    case METH_O:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_O;
+        break;
+    case METH_METHOD | METH_FASTCALL | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD;
+        break;
+    case METH_FASTCALL | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS;
+        break;
+    case METH_VARARGS | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = NULL;
+        break;
+    default:
+        PyErr_SetString(PyExc_SystemError, "Bad call flags for CyFunction");
+        Py_DECREF(op);
+        return NULL;
     }
-    return descr;
+#endif
+    return (PyObject *) op;
 }
+static int
+__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
+{
+    Py_CLEAR(m->func_closure);
+#if CYTHON_COMPILING_IN_LIMITED_API
+    Py_CLEAR(m->func);
+#else
+    Py_CLEAR(((PyCFunctionObject*)m)->m_module);
+#endif
+    Py_CLEAR(m->func_dict);
+    Py_CLEAR(m->func_name);
+    Py_CLEAR(m->func_qualname);
+    Py_CLEAR(m->func_doc);
+    Py_CLEAR(m->func_globals);
+    Py_CLEAR(m->func_code);
+#if !CYTHON_COMPILING_IN_LIMITED_API
+#if PY_VERSION_HEX < 0x030900B1
+    Py_CLEAR(__Pyx_CyFunction_GetClassObj(m));
+#else
+    {
+        PyObject *cls = (PyObject*) ((PyCMethodObject *) (m))->mm_class;
+        ((PyCMethodObject *) (m))->mm_class = NULL;
+        Py_XDECREF(cls);
+    }
 #endif
-
-/* PyObject_GenericGetAttr */
-#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
-static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) {
-    if (unlikely(Py_TYPE(obj)->tp_dictoffset)) {
-        return PyObject_GenericGetAttr(obj, attr_name);
+#endif
+    Py_CLEAR(m->defaults_tuple);
+    Py_CLEAR(m->defaults_kwdict);
+    Py_CLEAR(m->func_annotations);
+    Py_CLEAR(m->func_is_coroutine);
+    if (m->defaults) {
+        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
+        int i;
+        for (i = 0; i < m->defaults_pyobjects; i++)
+            Py_XDECREF(pydefaults[i]);
+        PyObject_Free(m->defaults);
+        m->defaults = NULL;
     }
-    return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name);
+    return 0;
+}
+static void __Pyx__CyFunction_dealloc(__pyx_CyFunctionObject *m)
+{
+    if (__Pyx_CyFunction_weakreflist(m) != NULL)
+        PyObject_ClearWeakRefs((PyObject *) m);
+    __Pyx_CyFunction_clear(m);
+    __Pyx_PyHeapTypeObject_GC_Del(m);
+}
+static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
+{
+    PyObject_GC_UnTrack(m);
+    __Pyx__CyFunction_dealloc(m);
+}
+static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
+{
+    Py_VISIT(m->func_closure);
+#if CYTHON_COMPILING_IN_LIMITED_API
+    Py_VISIT(m->func);
+#else
+    Py_VISIT(((PyCFunctionObject*)m)->m_module);
+#endif
+    Py_VISIT(m->func_dict);
+    Py_VISIT(m->func_name);
+    Py_VISIT(m->func_qualname);
+    Py_VISIT(m->func_doc);
+    Py_VISIT(m->func_globals);
+    Py_VISIT(m->func_code);
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    Py_VISIT(__Pyx_CyFunction_GetClassObj(m));
+#endif
+    Py_VISIT(m->defaults_tuple);
+    Py_VISIT(m->defaults_kwdict);
+    Py_VISIT(m->func_is_coroutine);
+    if (m->defaults) {
+        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
+        int i;
+        for (i = 0; i < m->defaults_pyobjects; i++)
+            Py_VISIT(pydefaults[i]);
+    }
+    return 0;
 }
+static PyObject*
+__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
+{
+#if PY_MAJOR_VERSION >= 3
+    return PyUnicode_FromFormat("<cyfunction %U at %p>",
+                                op->func_qualname, (void *)op);
+#else
+    return PyString_FromFormat("<cyfunction %s at %p>",
+                               PyString_AsString(op->func_qualname), (void *)op);
+#endif
+}
+static PyObject * __Pyx_CyFunction_CallMethod(PyObject *func, PyObject *self, PyObject *arg, PyObject *kw) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *f = ((__pyx_CyFunctionObject*)func)->func;
+    PyObject *py_name = NULL;
+    PyCFunction meth;
+    int flags;
+    meth = PyCFunction_GetFunction(f);
+    if (unlikely(!meth)) return NULL;
+    flags = PyCFunction_GetFlags(f);
+    if (unlikely(flags < 0)) return NULL;
+#else
+    PyCFunctionObject* f = (PyCFunctionObject*)func;
+    PyCFunction meth = f->m_ml->ml_meth;
+    int flags = f->m_ml->ml_flags;
+#endif
+    Py_ssize_t size;
+    switch (flags & (METH_VARARGS | METH_KEYWORDS | METH_NOARGS | METH_O)) {
+    case METH_VARARGS:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0))
+            return (*meth)(self, arg);
+        break;
+    case METH_VARARGS | METH_KEYWORDS:
+        return (*(PyCFunctionWithKeywords)(void*)meth)(self, arg, kw);
+    case METH_NOARGS:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
+#if CYTHON_ASSUME_SAFE_MACROS
+            size = PyTuple_GET_SIZE(arg);
+#else
+            size = PyTuple_Size(arg);
+            if (unlikely(size < 0)) return NULL;
+#endif
+            if (likely(size == 0))
+                return (*meth)(self, NULL);
+#if CYTHON_COMPILING_IN_LIMITED_API
+            py_name = __Pyx_CyFunction_get_name((__pyx_CyFunctionObject*)func, NULL);
+            if (!py_name) return NULL;
+            PyErr_Format(PyExc_TypeError,
+                "%.200S() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                py_name, size);
+            Py_DECREF(py_name);
+#else
+            PyErr_Format(PyExc_TypeError,
+                "%.200s() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                f->m_ml->ml_name, size);
 #endif
-
-/* SetVTable */
-static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
-#if PY_VERSION_HEX >= 0x02070000
-    PyObject *ob = PyCapsule_New(vtable, 0, 0);
+            return NULL;
+        }
+        break;
+    case METH_O:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
+#if CYTHON_ASSUME_SAFE_MACROS
+            size = PyTuple_GET_SIZE(arg);
+#else
+            size = PyTuple_Size(arg);
+            if (unlikely(size < 0)) return NULL;
+#endif
+            if (likely(size == 1)) {
+                PyObject *result, *arg0;
+                #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+                arg0 = PyTuple_GET_ITEM(arg, 0);
+                #else
+                arg0 = __Pyx_PySequence_ITEM(arg, 0); if (unlikely(!arg0)) return NULL;
+                #endif
+                result = (*meth)(self, arg0);
+                #if !(CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
+                Py_DECREF(arg0);
+                #endif
+                return result;
+            }
+#if CYTHON_COMPILING_IN_LIMITED_API
+            py_name = __Pyx_CyFunction_get_name((__pyx_CyFunctionObject*)func, NULL);
+            if (!py_name) return NULL;
+            PyErr_Format(PyExc_TypeError,
+                "%.200S() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                py_name, size);
+            Py_DECREF(py_name);
 #else
-    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
+            PyErr_Format(PyExc_TypeError,
+                "%.200s() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                f->m_ml->ml_name, size);
 #endif
-    if (!ob)
-        goto bad;
-    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
-        goto bad;
-    Py_DECREF(ob);
-    return 0;
-bad:
-    Py_XDECREF(ob);
-    return -1;
+            return NULL;
+        }
+        break;
+    default:
+        PyErr_SetString(PyExc_SystemError, "Bad call flags for CyFunction");
+        return NULL;
+    }
+#if CYTHON_COMPILING_IN_LIMITED_API
+    py_name = __Pyx_CyFunction_get_name((__pyx_CyFunctionObject*)func, NULL);
+    if (!py_name) return NULL;
+    PyErr_Format(PyExc_TypeError, "%.200S() takes no keyword arguments",
+                 py_name);
+    Py_DECREF(py_name);
+#else
+    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
+                 f->m_ml->ml_name);
+#endif
+    return NULL;
 }
-
-/* PyObjectGetAttrStrNoError */
-static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) {
-    __Pyx_PyThreadState_declare
-    __Pyx_PyThreadState_assign
-    if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
-        __Pyx_PyErr_Clear();
+static CYTHON_INLINE PyObject *__Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyObject *self, *result;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)func)->func);
+    if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+    self = ((PyCFunctionObject*)func)->m_self;
+#endif
+    result = __Pyx_CyFunction_CallMethod(func, self, arg, kw);
+    return result;
 }
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) {
+static PyObject *__Pyx_CyFunction_CallAsMethod(PyObject *func, PyObject *args, PyObject *kw) {
     PyObject *result;
-#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1
-    PyTypeObject* tp = Py_TYPE(obj);
-    if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) {
-        return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1);
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *) func;
+#if CYTHON_METH_FASTCALL
+     __pyx_vectorcallfunc vc = __Pyx_CyFunction_func_vectorcall(cyfunc);
+    if (vc) {
+#if CYTHON_ASSUME_SAFE_MACROS
+        return __Pyx_PyVectorcall_FastCallDict(func, vc, &PyTuple_GET_ITEM(args, 0), (size_t)PyTuple_GET_SIZE(args), kw);
+#else
+        (void) &__Pyx_PyVectorcall_FastCallDict;
+        return PyVectorcall_Call(func, args, kw);
+#endif
     }
 #endif
-    result = __Pyx_PyObject_GetAttrStr(obj, attr_name);
-    if (unlikely(!result)) {
-        __Pyx_PyObject_GetAttrStr_ClearAttributeError();
+    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
+        Py_ssize_t argc;
+        PyObject *new_args;
+        PyObject *self;
+#if CYTHON_ASSUME_SAFE_MACROS
+        argc = PyTuple_GET_SIZE(args);
+#else
+        argc = PyTuple_Size(args);
+        if (unlikely(!argc) < 0) return NULL;
+#endif
+        new_args = PyTuple_GetSlice(args, 1, argc);
+        if (unlikely(!new_args))
+            return NULL;
+        self = PyTuple_GetItem(args, 0);
+        if (unlikely(!self)) {
+            Py_DECREF(new_args);
+#if PY_MAJOR_VERSION > 2
+            PyErr_Format(PyExc_TypeError,
+                         "unbound method %.200S() needs an argument",
+                         cyfunc->func_qualname);
+#else
+            PyErr_SetString(PyExc_TypeError,
+                            "unbound method needs an argument");
+#endif
+            return NULL;
+        }
+        result = __Pyx_CyFunction_CallMethod(func, self, new_args, kw);
+        Py_DECREF(new_args);
+    } else {
+        result = __Pyx_CyFunction_Call(func, args, kw);
     }
     return result;
 }
-
-/* SetupReduce */
-static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
-  int ret;
-  PyObject *name_attr;
-  name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name_2);
-  if (likely(name_attr)) {
-      ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
-  } else {
-      ret = -1;
-  }
-  if (unlikely(ret < 0)) {
-      PyErr_Clear();
-      ret = 0;
-  }
-  Py_XDECREF(name_attr);
-  return ret;
-}
-static int __Pyx_setup_reduce(PyObject* type_obj) {
+#if CYTHON_METH_FASTCALL
+static CYTHON_INLINE int __Pyx_CyFunction_Vectorcall_CheckArgs(__pyx_CyFunctionObject *cyfunc, Py_ssize_t nargs, PyObject *kwnames)
+{
     int ret = 0;
-    PyObject *object_reduce = NULL;
-    PyObject *object_reduce_ex = NULL;
-    PyObject *reduce = NULL;
-    PyObject *reduce_ex = NULL;
-    PyObject *reduce_cython = NULL;
-    PyObject *setstate = NULL;
-    PyObject *setstate_cython = NULL;
-#if CYTHON_USE_PYTYPE_LOOKUP
-    if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD;
+    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
+        if (unlikely(nargs < 1)) {
+            PyErr_Format(PyExc_TypeError, "%.200s() needs an argument",
+                         ((PyCFunctionObject*)cyfunc)->m_ml->ml_name);
+            return -1;
+        }
+        ret = 1;
+    }
+    if (unlikely(kwnames) && unlikely(PyTuple_GET_SIZE(kwnames))) {
+        PyErr_Format(PyExc_TypeError,
+                     "%.200s() takes no keyword arguments", ((PyCFunctionObject*)cyfunc)->m_ml->ml_name);
+        return -1;
+    }
+    return ret;
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_NOARGS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyMethodDef* def = ((PyCFunctionObject*)cyfunc)->m_ml;
+#if CYTHON_BACKPORT_VECTORCALL
+    Py_ssize_t nargs = (Py_ssize_t)nargsf;
+#else
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+#endif
+    PyObject *self;
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, kwnames)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+        break;
+    default:
+        return NULL;
+    }
+    if (unlikely(nargs != 0)) {
+        PyErr_Format(PyExc_TypeError,
+            "%.200s() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
+            def->ml_name, nargs);
+        return NULL;
+    }
+    return def->ml_meth(self, NULL);
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_O(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyMethodDef* def = ((PyCFunctionObject*)cyfunc)->m_ml;
+#if CYTHON_BACKPORT_VECTORCALL
+    Py_ssize_t nargs = (Py_ssize_t)nargsf;
+#else
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+#endif
+    PyObject *self;
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, kwnames)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+        break;
+    default:
+        return NULL;
+    }
+    if (unlikely(nargs != 1)) {
+        PyErr_Format(PyExc_TypeError,
+            "%.200s() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
+            def->ml_name, nargs);
+        return NULL;
+    }
+    return def->ml_meth(self, args[0]);
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyMethodDef* def = ((PyCFunctionObject*)cyfunc)->m_ml;
+#if CYTHON_BACKPORT_VECTORCALL
+    Py_ssize_t nargs = (Py_ssize_t)nargsf;
+#else
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+#endif
+    PyObject *self;
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, NULL)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+        break;
+    default:
+        return NULL;
+    }
+    return ((__Pyx_PyCFunctionFastWithKeywords)(void(*)(void))def->ml_meth)(self, args, nargs, kwnames);
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyMethodDef* def = ((PyCFunctionObject*)cyfunc)->m_ml;
+    PyTypeObject *cls = (PyTypeObject *) __Pyx_CyFunction_GetClassObj(cyfunc);
+#if CYTHON_BACKPORT_VECTORCALL
+    Py_ssize_t nargs = (Py_ssize_t)nargsf;
+#else
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+#endif
+    PyObject *self;
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, NULL)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+        break;
+    default:
+        return NULL;
+    }
+    return ((__Pyx_PyCMethod)(void(*)(void))def->ml_meth)(self, cls, args, (size_t)nargs, kwnames);
+}
+#endif
+#if CYTHON_USE_TYPE_SPECS
+static PyType_Slot __pyx_CyFunctionType_slots[] = {
+    {Py_tp_dealloc, (void *)__Pyx_CyFunction_dealloc},
+    {Py_tp_repr, (void *)__Pyx_CyFunction_repr},
+    {Py_tp_call, (void *)__Pyx_CyFunction_CallAsMethod},
+    {Py_tp_traverse, (void *)__Pyx_CyFunction_traverse},
+    {Py_tp_clear, (void *)__Pyx_CyFunction_clear},
+    {Py_tp_methods, (void *)__pyx_CyFunction_methods},
+    {Py_tp_members, (void *)__pyx_CyFunction_members},
+    {Py_tp_getset, (void *)__pyx_CyFunction_getsets},
+    {Py_tp_descr_get, (void *)__Pyx_PyMethod_New},
+    {0, 0},
+};
+static PyType_Spec __pyx_CyFunctionType_spec = {
+    __PYX_TYPE_MODULE_PREFIX "cython_function_or_method",
+    sizeof(__pyx_CyFunctionObject),
+    0,
+#ifdef Py_TPFLAGS_METHOD_DESCRIPTOR
+    Py_TPFLAGS_METHOD_DESCRIPTOR |
+#endif
+#if (defined(_Py_TPFLAGS_HAVE_VECTORCALL) && CYTHON_METH_FASTCALL)
+    _Py_TPFLAGS_HAVE_VECTORCALL |
+#endif
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    __pyx_CyFunctionType_slots
+};
+#else
+static PyTypeObject __pyx_CyFunctionType_type = {
+    PyVarObject_HEAD_INIT(0, 0)
+    __PYX_TYPE_MODULE_PREFIX "cython_function_or_method",
+    sizeof(__pyx_CyFunctionObject),
+    0,
+    (destructor) __Pyx_CyFunction_dealloc,
+#if !CYTHON_METH_FASTCALL
+    0,
+#elif CYTHON_BACKPORT_VECTORCALL
+    (printfunc)offsetof(__pyx_CyFunctionObject, func_vectorcall),
 #else
-    if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD;
+    offsetof(PyCFunctionObject, vectorcall),
 #endif
-#if CYTHON_USE_PYTYPE_LOOKUP
-    object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+    0,
+    0,
+#if PY_MAJOR_VERSION < 3
+    0,
 #else
-    object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+    0,
+#endif
+    (reprfunc) __Pyx_CyFunction_repr,
+    0,
+    0,
+    0,
+    0,
+    __Pyx_CyFunction_CallAsMethod,
+    0,
+    0,
+    0,
+    0,
+#ifdef Py_TPFLAGS_METHOD_DESCRIPTOR
+    Py_TPFLAGS_METHOD_DESCRIPTOR |
+#endif
+#if defined(_Py_TPFLAGS_HAVE_VECTORCALL) && CYTHON_METH_FASTCALL
+    _Py_TPFLAGS_HAVE_VECTORCALL |
+#endif
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    0,
+    (traverseproc) __Pyx_CyFunction_traverse,
+    (inquiry) __Pyx_CyFunction_clear,
+    0,
+#if PY_VERSION_HEX < 0x030500A0
+    offsetof(__pyx_CyFunctionObject, func_weakreflist),
+#else
+    offsetof(PyCFunctionObject, m_weakreflist),
+#endif
+    0,
+    0,
+    __pyx_CyFunction_methods,
+    __pyx_CyFunction_members,
+    __pyx_CyFunction_getsets,
+    0,
+    0,
+    __Pyx_PyMethod_New,
+    0,
+    offsetof(__pyx_CyFunctionObject, func_dict),
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+#if PY_VERSION_HEX >= 0x030400a1
+    0,
+#endif
+#if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
+    0,
+#endif
+#if __PYX_NEED_TP_PRINT_SLOT
+    0,
+#endif
+#if PY_VERSION_HEX >= 0x030C0000
+    0,
+#endif
+#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+    0,
 #endif
-    reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD;
-    if (reduce_ex == object_reduce_ex) {
-#if CYTHON_USE_PYTYPE_LOOKUP
-        object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
+};
+#endif
+static int __pyx_CyFunction_init(PyObject *module) {
+#if CYTHON_USE_TYPE_SPECS
+    __pyx_CyFunctionType = __Pyx_FetchCommonTypeFromSpec(module, &__pyx_CyFunctionType_spec, NULL);
 #else
-        object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
+    CYTHON_UNUSED_VAR(module);
+    __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type);
 #endif
-        reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD;
-        if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) {
-            reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython);
-            if (likely(reduce_cython)) {
-                ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-                ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-            } else if (reduce == object_reduce || PyErr_Occurred()) {
-                goto __PYX_BAD;
-            }
-            setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate);
-            if (!setstate) PyErr_Clear();
-            if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) {
-                setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython);
-                if (likely(setstate_cython)) {
-                    ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-                    ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-                } else if (!setstate || PyErr_Occurred()) {
-                    goto __PYX_BAD;
-                }
-            }
-            PyType_Modified((PyTypeObject*)type_obj);
-        }
+    if (unlikely(__pyx_CyFunctionType == NULL)) {
+        return -1;
     }
-    goto __PYX_GOOD;
-__PYX_BAD:
-    if (!PyErr_Occurred())
-        PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name);
-    ret = -1;
-__PYX_GOOD:
-#if !CYTHON_USE_PYTYPE_LOOKUP
-    Py_XDECREF(object_reduce);
-    Py_XDECREF(object_reduce_ex);
-#endif
-    Py_XDECREF(reduce);
-    Py_XDECREF(reduce_ex);
-    Py_XDECREF(reduce_cython);
-    Py_XDECREF(setstate);
-    Py_XDECREF(setstate_cython);
-    return ret;
+    return 0;
+}
+static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults = PyObject_Malloc(size);
+    if (unlikely(!m->defaults))
+        return PyErr_NoMemory();
+    memset(m->defaults, 0, size);
+    m->defaults_pyobjects = pyobjects;
+    m->defaults_size = size;
+    return m->defaults;
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults_tuple = tuple;
+    Py_INCREF(tuple);
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults_kwdict = dict;
+    Py_INCREF(dict);
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->func_annotations = dict;
+    Py_INCREF(dict);
+}
+
+/* CythonFunction */
+static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml, int flags, PyObject* qualname,
+                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
+    PyObject *op = __Pyx_CyFunction_Init(
+        PyObject_GC_New(__pyx_CyFunctionObject, __pyx_CyFunctionType),
+        ml, flags, qualname, closure, module, globals, code
+    );
+    if (likely(op)) {
+        PyObject_GC_Track(op);
+    }
+    return op;
 }
 
 /* CLineInTraceback */
 #ifndef CYTHON_CLINE_IN_TRACEBACK
-static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) {
+static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line) {
     PyObject *use_cline;
     PyObject *ptype, *pvalue, *ptraceback;
 #if CYTHON_COMPILING_IN_CPYTHON
     PyObject **cython_runtime_dict;
 #endif
+    CYTHON_MAYBE_UNUSED_VAR(tstate);
     if (unlikely(!__pyx_cython_runtime)) {
         return c_line;
     }
@@ -22121,7 +28069,7 @@ static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int
     } else
 #endif
     {
-      PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
+      PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStrNoError(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
       if (use_cline_obj) {
         use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True;
         Py_DECREF(use_cline_obj);
@@ -22132,7 +28080,7 @@ static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int
     }
     if (!use_cline) {
         c_line = 0;
-        PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
+        (void) PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
     }
     else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) {
         c_line = 0;
@@ -22143,6 +28091,7 @@ static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int
 #endif
 
 /* CodeObjectCache */
+#if !CYTHON_COMPILING_IN_LIMITED_API
 static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
     int start = 0, mid = 0, end = count - 1;
     if (end >= 0 && code_line > entries[end].code_line) {
@@ -22221,44 +28170,136 @@ static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
     __pyx_code_cache.count++;
     Py_INCREF(code_object);
 }
+#endif
 
 /* AddTraceback */
 #include "compile.h"
 #include "frameobject.h"
 #include "traceback.h"
+#if PY_VERSION_HEX >= 0x030b00a6 && !CYTHON_COMPILING_IN_LIMITED_API
+  #ifndef Py_BUILD_CORE
+    #define Py_BUILD_CORE 1
+  #endif
+  #include "internal/pycore_frame.h"
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *__Pyx_PyCode_Replace_For_AddTraceback(PyObject *code, PyObject *scratch_dict,
+                                                       PyObject *firstlineno, PyObject *name) {
+    PyObject *replace = NULL;
+    if (unlikely(PyDict_SetItemString(scratch_dict, "co_firstlineno", firstlineno))) return NULL;
+    if (unlikely(PyDict_SetItemString(scratch_dict, "co_name", name))) return NULL;
+    replace = PyObject_GetAttrString(code, "replace");
+    if (likely(replace)) {
+        PyObject *result;
+        result = PyObject_Call(replace, __pyx_empty_tuple, scratch_dict);
+        Py_DECREF(replace);
+        return result;
+    }
+    PyErr_Clear();
+    #if __PYX_LIMITED_VERSION_HEX < 0x030780000
+    {
+        PyObject *compiled = NULL, *result = NULL;
+        if (unlikely(PyDict_SetItemString(scratch_dict, "code", code))) return NULL;
+        if (unlikely(PyDict_SetItemString(scratch_dict, "type", (PyObject*)(&PyType_Type)))) return NULL;
+        compiled = Py_CompileString(
+            "out = type(code)(\n"
+            "  code.co_argcount, code.co_kwonlyargcount, code.co_nlocals, code.co_stacksize,\n"
+            "  code.co_flags, code.co_code, code.co_consts, code.co_names,\n"
+            "  code.co_varnames, code.co_filename, co_name, co_firstlineno,\n"
+            "  code.co_lnotab)\n", "<dummy>", Py_file_input);
+        if (!compiled) return NULL;
+        result = PyEval_EvalCode(compiled, scratch_dict, scratch_dict);
+        Py_DECREF(compiled);
+        if (!result) PyErr_Print();
+        Py_DECREF(result);
+        result = PyDict_GetItemString(scratch_dict, "out");
+        if (result) Py_INCREF(result);
+        return result;
+    }
+    #else
+    return NULL;
+    #endif
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyObject *code_object = NULL, *py_py_line = NULL, *py_funcname = NULL, *dict = NULL;
+    PyObject *replace = NULL, *getframe = NULL, *frame = NULL;
+    PyObject *exc_type, *exc_value, *exc_traceback;
+    int success = 0;
+    if (c_line) {
+        (void) __pyx_cfilenm;
+        (void) __Pyx_CLineForTraceback(__Pyx_PyThreadState_Current, c_line);
+    }
+    PyErr_Fetch(&exc_type, &exc_value, &exc_traceback);
+    code_object = Py_CompileString("_getframe()", filename, Py_eval_input);
+    if (unlikely(!code_object)) goto bad;
+    py_py_line = PyLong_FromLong(py_line);
+    if (unlikely(!py_py_line)) goto bad;
+    py_funcname = PyUnicode_FromString(funcname);
+    if (unlikely(!py_funcname)) goto bad;
+    dict = PyDict_New();
+    if (unlikely(!dict)) goto bad;
+    {
+        PyObject *old_code_object = code_object;
+        code_object = __Pyx_PyCode_Replace_For_AddTraceback(code_object, dict, py_py_line, py_funcname);
+        Py_DECREF(old_code_object);
+    }
+    if (unlikely(!code_object)) goto bad;
+    getframe = PySys_GetObject("_getframe");
+    if (unlikely(!getframe)) goto bad;
+    if (unlikely(PyDict_SetItemString(dict, "_getframe", getframe))) goto bad;
+    frame = PyEval_EvalCode(code_object, dict, dict);
+    if (unlikely(!frame) || frame == Py_None) goto bad;
+    success = 1;
+  bad:
+    PyErr_Restore(exc_type, exc_value, exc_traceback);
+    Py_XDECREF(code_object);
+    Py_XDECREF(py_py_line);
+    Py_XDECREF(py_funcname);
+    Py_XDECREF(dict);
+    Py_XDECREF(replace);
+    if (success) {
+        PyTraceBack_Here(
+            (struct _frame*)frame);
+    }
+    Py_XDECREF(frame);
+}
+#else
 static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
             const char *funcname, int c_line,
             int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
+    PyCodeObject *py_code = NULL;
+    PyObject *py_funcname = NULL;
     #if PY_MAJOR_VERSION < 3
+    PyObject *py_srcfile = NULL;
     py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
     if (!py_srcfile) goto bad;
+    #endif
     if (c_line) {
         #if PY_MAJOR_VERSION < 3
         py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        if (!py_funcname) goto bad;
         #else
         py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        if (!py_funcname) goto bad;
+        funcname = PyUnicode_AsUTF8(py_funcname);
+        if (!funcname) goto bad;
         #endif
     }
     else {
         #if PY_MAJOR_VERSION < 3
         py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
+        if (!py_funcname) goto bad;
         #endif
     }
-    if (!py_funcname) goto bad;
+    #if PY_MAJOR_VERSION < 3
     py_code = __Pyx_PyCode_New(
         0,
         0,
         0,
         0,
         0,
+        0,
         __pyx_empty_bytes, /*PyObject *code,*/
         __pyx_empty_tuple, /*PyObject *consts,*/
         __pyx_empty_tuple, /*PyObject *names,*/
@@ -22271,11 +28312,16 @@ static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
         __pyx_empty_bytes  /*PyObject *lnotab*/
     );
     Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
+    #else
+    py_code = PyCode_NewEmpty(filename, funcname, py_line);
+    #endif
+    Py_XDECREF(py_funcname);
     return py_code;
 bad:
-    Py_XDECREF(py_srcfile);
     Py_XDECREF(py_funcname);
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(py_srcfile);
+    #endif
     return NULL;
 }
 static void __Pyx_AddTraceback(const char *funcname, int c_line,
@@ -22283,14 +28329,24 @@ static void __Pyx_AddTraceback(const char *funcname, int c_line,
     PyCodeObject *py_code = 0;
     PyFrameObject *py_frame = 0;
     PyThreadState *tstate = __Pyx_PyThreadState_Current;
+    PyObject *ptype, *pvalue, *ptraceback;
     if (c_line) {
         c_line = __Pyx_CLineForTraceback(tstate, c_line);
     }
     py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
     if (!py_code) {
+        __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
         py_code = __Pyx_CreateCodeObjectForTraceback(
             funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
+        if (!py_code) {
+            /* If the code object creation fails, then we should clear the
+               fetched exception references and propagate the new exception */
+            Py_XDECREF(ptype);
+            Py_XDECREF(pvalue);
+            Py_XDECREF(ptraceback);
+            goto bad;
+        }
+        __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
         __pyx_insert_code_object(c_line ? -c_line : py_line, py_code);
     }
     py_frame = PyFrame_New(
@@ -22306,13 +28362,19 @@ bad:
     Py_XDECREF(py_code);
     Py_XDECREF(py_frame);
 }
+#endif
 
 #if PY_MAJOR_VERSION < 3
 static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
+    __Pyx_TypeName obj_type_name;
     if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
         if (__Pyx_TypeCheck(obj, __pyx_array_type)) return __pyx_array_getbuffer(obj, view, flags);
         if (__Pyx_TypeCheck(obj, __pyx_memoryview_type)) return __pyx_memoryview_getbuffer(obj, view, flags);
-    PyErr_Format(PyExc_TypeError, "'%.200s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
+    obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    PyErr_Format(PyExc_TypeError,
+                 "'" __Pyx_FMT_TYPENAME "' does not have the buffer interface",
+                 obj_type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
     return -1;
 }
 static void __Pyx_ReleaseBuffer(Py_buffer *view) {
@@ -22387,19 +28449,6 @@ __pyx_slices_overlap(__Pyx_memviewslice *slice1,
     return (start1 < end2) && (start2 < end1);
 }
 
-/* Capsule */
-static CYTHON_INLINE PyObject *
-__pyx_capsule_create(void *p, CYTHON_UNUSED const char *sig)
-{
-    PyObject *cobj;
-#if PY_VERSION_HEX >= 0x02070000
-    cobj = PyCapsule_New(p, sig, NULL);
-#else
-    cobj = PyCObject_FromVoidPtr(p, NULL);
-#endif
-    return cobj;
-}
-
 /* IsLittleEndian */
 static CYTHON_INLINE int __Pyx_Is_Little_Endian(void)
 {
@@ -22487,7 +28536,7 @@ static const char* __Pyx_BufFmt_DescribeTypeChar(char ch, int is_complex) {
     case 'P': return "a pointer";
     case 's': case 'p': return "a string";
     case 0: return "end";
-    default: return "unparseable format string";
+    default: return "unparsable format string";
   }
 }
 static size_t __Pyx_BufFmt_TypeCharToStandardSize(char ch, int is_complex) {
@@ -22537,7 +28586,8 @@ typedef struct { char c; void *x; } __Pyx_st_void_p;
 #ifdef HAVE_LONG_LONG
 typedef struct { char c; PY_LONG_LONG x; } __Pyx_st_longlong;
 #endif
-static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, CYTHON_UNUSED int is_complex) {
+static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, int is_complex) {
+  CYTHON_UNUSED_VAR(is_complex);
   switch (ch) {
     case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
     case 'h': case 'H': return sizeof(__Pyx_st_short) - sizeof(short);
@@ -22569,7 +28619,8 @@ typedef struct { void *x; char c; } __Pyx_pad_void_p;
 #ifdef HAVE_LONG_LONG
 typedef struct { PY_LONG_LONG x; char c; } __Pyx_pad_longlong;
 #endif
-static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, CYTHON_UNUSED int is_complex) {
+static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, int is_complex) {
+  CYTHON_UNUSED_VAR(is_complex);
   switch (ch) {
     case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
     case 'h': case 'H': return sizeof(__Pyx_pad_short) - sizeof(short);
@@ -22734,7 +28785,7 @@ static int __Pyx_BufFmt_ProcessTypeChunk(__Pyx_BufFmt_Context* ctx) {
   ctx->is_complex = 0;
   return 0;
 }
-static PyObject *
+static int
 __pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
 {
     const char *ts = *tsp;
@@ -22743,9 +28794,9 @@ __pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
     if (ctx->new_count != 1) {
         PyErr_SetString(PyExc_ValueError,
                         "Cannot handle repeated arrays in format string");
-        return NULL;
+        return -1;
     }
-    if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+    if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return -1;
     ndim = ctx->head->field->type->ndim;
     while (*ts && *ts != ')') {
         switch (*ts) {
@@ -22753,29 +28804,35 @@ __pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
             default:  break;
         }
         number = __Pyx_BufFmt_ExpectNumber(&ts);
-        if (number == -1) return NULL;
-        if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i])
-            return PyErr_Format(PyExc_ValueError,
+        if (number == -1) return -1;
+        if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i]) {
+            PyErr_Format(PyExc_ValueError,
                         "Expected a dimension of size %zu, got %d",
                         ctx->head->field->type->arraysize[i], number);
-        if (*ts != ',' && *ts != ')')
-            return PyErr_Format(PyExc_ValueError,
+            return -1;
+        }
+        if (*ts != ',' && *ts != ')') {
+            PyErr_Format(PyExc_ValueError,
                                 "Expected a comma in format string, got '%c'", *ts);
+            return -1;
+        }
         if (*ts == ',') ts++;
         i++;
     }
-    if (i != ndim)
-        return PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
+    if (i != ndim) {
+        PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
                             ctx->head->field->type->ndim, i);
+        return -1;
+    }
     if (!*ts) {
         PyErr_SetString(PyExc_ValueError,
                         "Unexpected end of format string, expected ')'");
-        return NULL;
+        return -1;
     }
     ctx->is_valid_array = 1;
     ctx->new_count = 1;
     *tsp = ++ts;
-    return Py_None;
+    return 0;
 }
 static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts) {
   int got_Z = 0;
@@ -22901,7 +28958,7 @@ static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const cha
         ++ts;
         break;
       case '(':
-        if (!__pyx_buffmt_parse_array(ctx, &ts)) return NULL;
+        if (__pyx_buffmt_parse_array(ctx, &ts) < 0) return NULL;
         break;
       default:
         {
@@ -23009,8 +29066,9 @@ fail:
     return 0;
 }
 static int
-__pyx_check_suboffsets(Py_buffer *buf, int dim, CYTHON_UNUSED int ndim, int spec)
+__pyx_check_suboffsets(Py_buffer *buf, int dim, int ndim, int spec)
 {
+    CYTHON_UNUSED_VAR(ndim);
     if (spec & __Pyx_MEMVIEW_DIRECT) {
         if (unlikely(buf->suboffsets && buf->suboffsets[dim] >= 0)) {
             PyErr_Format(PyExc_ValueError,
@@ -23301,7 +29359,7 @@ __pyx_fail:
 }
 static CYTHON_INLINE int __pyx_memview_set_unsigned_int(const char *itemp, PyObject *obj) {
     unsigned int value = __Pyx_PyInt_As_unsigned_int(obj);
-    if ((value == (unsigned int)-1) && PyErr_Occurred())
+    if (unlikely((value == (unsigned int)-1) && PyErr_Occurred()))
         return 0;
     *(unsigned int *) itemp = value;
     return 1;
@@ -23313,7 +29371,7 @@ static CYTHON_INLINE int __pyx_memview_set_unsigned_int(const char *itemp, PyObj
 }
 static CYTHON_INLINE int __pyx_memview_set_short(const char *itemp, PyObject *obj) {
     short value = __Pyx_PyInt_As_short(obj);
-    if ((value == (short)-1) && PyErr_Occurred())
+    if (unlikely((value == (short)-1) && PyErr_Occurred()))
         return 0;
     *(short *) itemp = value;
     return 1;
@@ -23371,7 +29429,7 @@ __pyx_fail:
 }
 static CYTHON_INLINE int __pyx_memview_set_char(const char *itemp, PyObject *obj) {
     char value = __Pyx_PyInt_As_char(obj);
-    if ((value == (char)-1) && PyErr_Occurred())
+    if (unlikely((value == (char)-1) && PyErr_Occurred()))
         return 0;
     *(char *) itemp = value;
     return 1;
@@ -23406,7 +29464,7 @@ __pyx_fail:
 }
 static CYTHON_INLINE int __pyx_memview_set_int(const char *itemp, PyObject *obj) {
     int value = __Pyx_PyInt_As_int(obj);
-    if ((value == (int)-1) && PyErr_Occurred())
+    if (unlikely((value == (int)-1) && PyErr_Occurred()))
         return 0;
     *(int *) itemp = value;
     return 1;
@@ -23464,7 +29522,7 @@ __pyx_fail:
 }
 static CYTHON_INLINE int __pyx_memview_set_float(const char *itemp, PyObject *obj) {
     float value = __pyx_PyFloat_AsFloat(obj);
-    if ((value == (float)-1) && PyErr_Occurred())
+    if (unlikely((value == (float)-1) && PyErr_Occurred()))
         return 0;
     *(float *) itemp = value;
     return 1;
@@ -23537,6 +29595,141 @@ no_fail:
     return new_mvs;
 }
 
+/* MemviewSliceInit */
+  static int
+__Pyx_init_memviewslice(struct __pyx_memoryview_obj *memview,
+                        int ndim,
+                        __Pyx_memviewslice *memviewslice,
+                        int memview_is_new_reference)
+{
+    __Pyx_RefNannyDeclarations
+    int i, retval=-1;
+    Py_buffer *buf = &memview->view;
+    __Pyx_RefNannySetupContext("init_memviewslice", 0);
+    if (unlikely(memviewslice->memview || memviewslice->data)) {
+        PyErr_SetString(PyExc_ValueError,
+            "memviewslice is already initialized!");
+        goto fail;
+    }
+    if (buf->strides) {
+        for (i = 0; i < ndim; i++) {
+            memviewslice->strides[i] = buf->strides[i];
+        }
+    } else {
+        Py_ssize_t stride = buf->itemsize;
+        for (i = ndim - 1; i >= 0; i--) {
+            memviewslice->strides[i] = stride;
+            stride *= buf->shape[i];
+        }
+    }
+    for (i = 0; i < ndim; i++) {
+        memviewslice->shape[i]   = buf->shape[i];
+        if (buf->suboffsets) {
+            memviewslice->suboffsets[i] = buf->suboffsets[i];
+        } else {
+            memviewslice->suboffsets[i] = -1;
+        }
+    }
+    memviewslice->memview = memview;
+    memviewslice->data = (char *)buf->buf;
+    if (__pyx_add_acquisition_count(memview) == 0 && !memview_is_new_reference) {
+        Py_INCREF(memview);
+    }
+    retval = 0;
+    goto no_fail;
+fail:
+    memviewslice->memview = 0;
+    memviewslice->data = 0;
+    retval = -1;
+no_fail:
+    __Pyx_RefNannyFinishContext();
+    return retval;
+}
+#ifndef Py_NO_RETURN
+#define Py_NO_RETURN
+#endif
+static void __pyx_fatalerror(const char *fmt, ...) Py_NO_RETURN {
+    va_list vargs;
+    char msg[200];
+#if PY_VERSION_HEX >= 0x030A0000 || defined(HAVE_STDARG_PROTOTYPES)
+    va_start(vargs, fmt);
+#else
+    va_start(vargs);
+#endif
+    vsnprintf(msg, 200, fmt, vargs);
+    va_end(vargs);
+    Py_FatalError(msg);
+}
+static CYTHON_INLINE int
+__pyx_add_acquisition_count_locked(__pyx_atomic_int_type *acquisition_count,
+                                   PyThread_type_lock lock)
+{
+    int result;
+    PyThread_acquire_lock(lock, 1);
+    result = (*acquisition_count)++;
+    PyThread_release_lock(lock);
+    return result;
+}
+static CYTHON_INLINE int
+__pyx_sub_acquisition_count_locked(__pyx_atomic_int_type *acquisition_count,
+                                   PyThread_type_lock lock)
+{
+    int result;
+    PyThread_acquire_lock(lock, 1);
+    result = (*acquisition_count)--;
+    PyThread_release_lock(lock);
+    return result;
+}
+static CYTHON_INLINE void
+__Pyx_INC_MEMVIEW(__Pyx_memviewslice *memslice, int have_gil, int lineno)
+{
+    __pyx_nonatomic_int_type old_acquisition_count;
+    struct __pyx_memoryview_obj *memview = memslice->memview;
+    if (unlikely(!memview || (PyObject *) memview == Py_None)) {
+        return;
+    }
+    old_acquisition_count = __pyx_add_acquisition_count(memview);
+    if (unlikely(old_acquisition_count <= 0)) {
+        if (likely(old_acquisition_count == 0)) {
+            if (have_gil) {
+                Py_INCREF((PyObject *) memview);
+            } else {
+                PyGILState_STATE _gilstate = PyGILState_Ensure();
+                Py_INCREF((PyObject *) memview);
+                PyGILState_Release(_gilstate);
+            }
+        } else {
+            __pyx_fatalerror("Acquisition count is %d (line %d)",
+                             old_acquisition_count+1, lineno);
+        }
+    }
+}
+static CYTHON_INLINE void __Pyx_XCLEAR_MEMVIEW(__Pyx_memviewslice *memslice,
+                                             int have_gil, int lineno) {
+    __pyx_nonatomic_int_type old_acquisition_count;
+    struct __pyx_memoryview_obj *memview = memslice->memview;
+    if (unlikely(!memview || (PyObject *) memview == Py_None)) {
+        memslice->memview = NULL;
+        return;
+    }
+    old_acquisition_count = __pyx_sub_acquisition_count(memview);
+    memslice->data = NULL;
+    if (likely(old_acquisition_count > 1)) {
+        memslice->memview = NULL;
+    } else if (likely(old_acquisition_count == 1)) {
+        if (have_gil) {
+            Py_CLEAR(memslice->memview);
+        } else {
+            PyGILState_STATE _gilstate = PyGILState_Ensure();
+            Py_CLEAR(memslice->memview);
+            PyGILState_Release(_gilstate);
+        }
+    } else {
+        __pyx_fatalerror("Acquisition count is %d (line %d)",
+                         old_acquisition_count-1, lineno);
+    }
+}
+
 /* CIntFromPy */
   static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
 #ifdef __Pyx_HAS_GCC_DIAGNOSTIC
@@ -23550,7 +29743,7 @@ no_fail:
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
+        if ((sizeof(int) < sizeof(long))) {
             __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
         } else {
             long val = PyInt_AS_LONG(x);
@@ -23564,40 +29757,45 @@ no_fail:
     if (likely(PyLong_Check(x))) {
         if (is_unsigned) {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (int) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
-                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+            if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+                goto raise_neg_overflow;
+            } else if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(int, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_DigitCount(x)) {
+                    case 2:
+                        if ((8 * sizeof(int) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) >= 2 * PyLong_SHIFT)) {
+                                return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
-                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(int) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) >= 3 * PyLong_SHIFT)) {
+                                return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
-                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(int) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) >= 4 * PyLong_SHIFT)) {
+                                return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -23610,109 +29808,181 @@ no_fail:
                     goto raise_neg_overflow;
             }
 #endif
-            if (sizeof(int) <= sizeof(unsigned long)) {
+            if ((sizeof(int) <= sizeof(unsigned long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
+            } else if ((sizeof(int) <= sizeof(unsigned PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
 #endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (int) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+            if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(int, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                    case -2:
+                        if ((8 * sizeof(int) - 1 > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                                return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                            return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case 2:
+                        if ((8 * sizeof(int) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                                return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case -3:
+                        if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                                return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                            return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(int) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                                return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case -4:
+                        if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 4 * PyLong_SHIFT)) {
+                                return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
-                            return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(int) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 4 * PyLong_SHIFT)) {
+                                return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-            if (sizeof(int) <= sizeof(long)) {
+            if ((sizeof(int) <= sizeof(long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
+            } else if ((sizeof(int) <= sizeof(PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
 #endif
             }
         }
         {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
             int val;
             PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
+#if PY_MAJOR_VERSION < 3
             if (likely(v) && !PyLong_Check(v)) {
                 PyObject *tmp = v;
                 v = PyNumber_Long(tmp);
                 Py_DECREF(tmp);
             }
- #endif
+#endif
             if (likely(v)) {
+                int ret = -1;
+#if PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
                 int one = 1; int is_little = (int)*(unsigned char *)&one;
                 unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
+                ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                           bytes, sizeof(val),
+                                           is_little, !is_unsigned);
+#else
+                PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+                int bits, remaining_bits, is_negative = 0;
+                long idigit;
+                int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+                if (unlikely(!PyLong_CheckExact(v))) {
+                    PyObject *tmp = v;
+                    v = PyNumber_Long(v);
+                    assert(PyLong_CheckExact(v));
+                    Py_DECREF(tmp);
+                    if (unlikely(!v)) return (int) -1;
+                }
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                if (Py_SIZE(x) == 0)
+                    return (int) 0;
+                is_negative = Py_SIZE(x) < 0;
+#else
+                {
+                    int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+                    if (unlikely(result < 0))
+                        return (int) -1;
+                    is_negative = result == 1;
+                }
+#endif
+                if (is_unsigned && unlikely(is_negative)) {
+                    goto raise_neg_overflow;
+                } else if (is_negative) {
+                    stepval = PyNumber_Invert(v);
+                    if (unlikely(!stepval))
+                        return (int) -1;
+                } else {
+                    stepval = __Pyx_NewRef(v);
+                }
+                val = (int) 0;
+                mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+                shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+                for (bits = 0; bits < (int) sizeof(int) * 8 - chunk_size; bits += chunk_size) {
+                    PyObject *tmp, *digit;
+                    digit = PyNumber_And(stepval, mask);
+                    if (unlikely(!digit)) goto done;
+                    idigit = PyLong_AsLong(digit);
+                    Py_DECREF(digit);
+                    if (unlikely(idigit < 0)) goto done;
+                    tmp = PyNumber_Rshift(stepval, shift);
+                    if (unlikely(!tmp)) goto done;
+                    Py_DECREF(stepval); stepval = tmp;
+                    val |= ((int) idigit) << bits;
+                    #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                    if (Py_SIZE(stepval) == 0)
+                        goto unpacking_done;
+                    #endif
+                }
+                idigit = PyLong_AsLong(stepval);
+                if (unlikely(idigit < 0)) goto done;
+                remaining_bits = ((int) sizeof(int) * 8) - bits - (is_unsigned ? 0 : 1);
+                if (unlikely(idigit >= (1L << remaining_bits)))
+                    goto raise_overflow;
+                val |= ((int) idigit) << bits;
+            #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+            unpacking_done:
+            #endif
+                if (!is_unsigned) {
+                    if (unlikely(val & (((int) 1) << (sizeof(int) * 8 - 1))))
+                        goto raise_overflow;
+                    if (is_negative)
+                        val = ~val;
+                }
+                ret = 0;
+            done:
+                Py_XDECREF(shift);
+                Py_XDECREF(mask);
+                Py_XDECREF(stepval);
+#endif
                 Py_DECREF(v);
                 if (likely(!ret))
                     return val;
             }
-#endif
             return (int) -1;
         }
     } else {
@@ -23766,8 +30036,34 @@ raise_neg_overflow:
     {
         int one = 1; int little = (int)*(unsigned char *)&one;
         unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
         return _PyLong_FromByteArray(bytes, sizeof(int),
                                      little, !is_unsigned);
+#else
+        PyObject *from_bytes, *result = NULL;
+        PyObject *py_bytes = NULL, *arg_tuple = NULL, *kwds = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(int));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        arg_tuple = PyTuple_Pack(2, py_bytes, order_str);
+        if (!arg_tuple) goto limited_bad;
+        if (!is_unsigned) {
+            kwds = PyDict_New();
+            if (!kwds) goto limited_bad;
+            if (PyDict_SetItemString(kwds, "signed", __Pyx_NewRef(Py_True))) goto limited_bad;
+        }
+        result = PyObject_Call(from_bytes, arg_tuple, kwds);
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(arg_tuple);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
     }
 }
 
@@ -23804,8 +30100,34 @@ raise_neg_overflow:
     {
         int one = 1; int little = (int)*(unsigned char *)&one;
         unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
         return _PyLong_FromByteArray(bytes, sizeof(unsigned int),
                                      little, !is_unsigned);
+#else
+        PyObject *from_bytes, *result = NULL;
+        PyObject *py_bytes = NULL, *arg_tuple = NULL, *kwds = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(unsigned int));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        arg_tuple = PyTuple_Pack(2, py_bytes, order_str);
+        if (!arg_tuple) goto limited_bad;
+        if (!is_unsigned) {
+            kwds = PyDict_New();
+            if (!kwds) goto limited_bad;
+            if (PyDict_SetItemString(kwds, "signed", __Pyx_NewRef(Py_True))) goto limited_bad;
+        }
+        result = PyObject_Call(from_bytes, arg_tuple, kwds);
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(arg_tuple);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
     }
 }
 
@@ -23822,7 +30144,7 @@ raise_neg_overflow:
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_Check(x))) {
-        if (sizeof(unsigned int) < sizeof(long)) {
+        if ((sizeof(unsigned int) < sizeof(long))) {
             __PYX_VERIFY_RETURN_INT(unsigned int, long, PyInt_AS_LONG(x))
         } else {
             long val = PyInt_AS_LONG(x);
@@ -23836,40 +30158,45 @@ raise_neg_overflow:
     if (likely(PyLong_Check(x))) {
         if (is_unsigned) {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (unsigned int) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(unsigned int, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(unsigned int) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned int) >= 2 * PyLong_SHIFT) {
-                            return (unsigned int) (((((unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0]));
+            if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+                goto raise_neg_overflow;
+            } else if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(unsigned int, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_DigitCount(x)) {
+                    case 2:
+                        if ((8 * sizeof(unsigned int) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(unsigned int) >= 2 * PyLong_SHIFT)) {
+                                return (unsigned int) (((((unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(unsigned int) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned int) >= 3 * PyLong_SHIFT) {
-                            return (unsigned int) (((((((unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0]));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(unsigned int) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(unsigned int) >= 3 * PyLong_SHIFT)) {
+                                return (unsigned int) (((((((unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(unsigned int) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned int) >= 4 * PyLong_SHIFT) {
-                            return (unsigned int) (((((((((unsigned int)digits[3]) << PyLong_SHIFT) | (unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0]));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(unsigned int) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(unsigned int) >= 4 * PyLong_SHIFT)) {
+                                return (unsigned int) (((((((((unsigned int)digits[3]) << PyLong_SHIFT) | (unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0]));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -23882,109 +30209,181 @@ raise_neg_overflow:
                     goto raise_neg_overflow;
             }
 #endif
-            if (sizeof(unsigned int) <= sizeof(unsigned long)) {
+            if ((sizeof(unsigned int) <= sizeof(unsigned long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(unsigned int, unsigned long, PyLong_AsUnsignedLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(unsigned int) <= sizeof(unsigned PY_LONG_LONG)) {
+            } else if ((sizeof(unsigned int) <= sizeof(unsigned PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(unsigned int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
 #endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (unsigned int) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(unsigned int, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(unsigned int,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(unsigned int) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned int) - 1 > 2 * PyLong_SHIFT) {
-                            return (unsigned int) (((unsigned int)-1)*(((((unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
+            if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(unsigned int, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                    case -2:
+                        if ((8 * sizeof(unsigned int) - 1 > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(unsigned int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(unsigned int) - 1 > 2 * PyLong_SHIFT)) {
+                                return (unsigned int) (((unsigned int)-1)*(((((unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(unsigned int) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned int) - 1 > 2 * PyLong_SHIFT) {
-                            return (unsigned int) ((((((unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
+                        break;
+                    case 2:
+                        if ((8 * sizeof(unsigned int) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(unsigned int) - 1 > 2 * PyLong_SHIFT)) {
+                                return (unsigned int) ((((((unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(unsigned int) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned int) - 1 > 3 * PyLong_SHIFT) {
-                            return (unsigned int) (((unsigned int)-1)*(((((((unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
+                        break;
+                    case -3:
+                        if ((8 * sizeof(unsigned int) - 1 > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(unsigned int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(unsigned int) - 1 > 3 * PyLong_SHIFT)) {
+                                return (unsigned int) (((unsigned int)-1)*(((((((unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(unsigned int) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned int) - 1 > 3 * PyLong_SHIFT) {
-                            return (unsigned int) ((((((((unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(unsigned int) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(unsigned int) - 1 > 3 * PyLong_SHIFT)) {
+                                return (unsigned int) ((((((((unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(unsigned int) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned int) - 1 > 4 * PyLong_SHIFT) {
-                            return (unsigned int) (((unsigned int)-1)*(((((((((unsigned int)digits[3]) << PyLong_SHIFT) | (unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
+                        break;
+                    case -4:
+                        if ((8 * sizeof(unsigned int) - 1 > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(unsigned int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(unsigned int) - 1 > 4 * PyLong_SHIFT)) {
+                                return (unsigned int) (((unsigned int)-1)*(((((((((unsigned int)digits[3]) << PyLong_SHIFT) | (unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(unsigned int) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(unsigned int) - 1 > 4 * PyLong_SHIFT) {
-                            return (unsigned int) ((((((((((unsigned int)digits[3]) << PyLong_SHIFT) | (unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(unsigned int) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(unsigned int) - 1 > 4 * PyLong_SHIFT)) {
+                                return (unsigned int) ((((((((((unsigned int)digits[3]) << PyLong_SHIFT) | (unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-            if (sizeof(unsigned int) <= sizeof(long)) {
+            if ((sizeof(unsigned int) <= sizeof(long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(unsigned int, long, PyLong_AsLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(unsigned int) <= sizeof(PY_LONG_LONG)) {
+            } else if ((sizeof(unsigned int) <= sizeof(PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(unsigned int, PY_LONG_LONG, PyLong_AsLongLong(x))
 #endif
             }
         }
         {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
             unsigned int val;
             PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
+#if PY_MAJOR_VERSION < 3
             if (likely(v) && !PyLong_Check(v)) {
                 PyObject *tmp = v;
                 v = PyNumber_Long(tmp);
                 Py_DECREF(tmp);
             }
- #endif
+#endif
             if (likely(v)) {
+                int ret = -1;
+#if PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
                 int one = 1; int is_little = (int)*(unsigned char *)&one;
                 unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
+                ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                           bytes, sizeof(val),
+                                           is_little, !is_unsigned);
+#else
+                PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+                int bits, remaining_bits, is_negative = 0;
+                long idigit;
+                int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+                if (unlikely(!PyLong_CheckExact(v))) {
+                    PyObject *tmp = v;
+                    v = PyNumber_Long(v);
+                    assert(PyLong_CheckExact(v));
+                    Py_DECREF(tmp);
+                    if (unlikely(!v)) return (unsigned int) -1;
+                }
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                if (Py_SIZE(x) == 0)
+                    return (unsigned int) 0;
+                is_negative = Py_SIZE(x) < 0;
+#else
+                {
+                    int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+                    if (unlikely(result < 0))
+                        return (unsigned int) -1;
+                    is_negative = result == 1;
+                }
+#endif
+                if (is_unsigned && unlikely(is_negative)) {
+                    goto raise_neg_overflow;
+                } else if (is_negative) {
+                    stepval = PyNumber_Invert(v);
+                    if (unlikely(!stepval))
+                        return (unsigned int) -1;
+                } else {
+                    stepval = __Pyx_NewRef(v);
+                }
+                val = (unsigned int) 0;
+                mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+                shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+                for (bits = 0; bits < (int) sizeof(unsigned int) * 8 - chunk_size; bits += chunk_size) {
+                    PyObject *tmp, *digit;
+                    digit = PyNumber_And(stepval, mask);
+                    if (unlikely(!digit)) goto done;
+                    idigit = PyLong_AsLong(digit);
+                    Py_DECREF(digit);
+                    if (unlikely(idigit < 0)) goto done;
+                    tmp = PyNumber_Rshift(stepval, shift);
+                    if (unlikely(!tmp)) goto done;
+                    Py_DECREF(stepval); stepval = tmp;
+                    val |= ((unsigned int) idigit) << bits;
+                    #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                    if (Py_SIZE(stepval) == 0)
+                        goto unpacking_done;
+                    #endif
+                }
+                idigit = PyLong_AsLong(stepval);
+                if (unlikely(idigit < 0)) goto done;
+                remaining_bits = ((int) sizeof(unsigned int) * 8) - bits - (is_unsigned ? 0 : 1);
+                if (unlikely(idigit >= (1L << remaining_bits)))
+                    goto raise_overflow;
+                val |= ((unsigned int) idigit) << bits;
+            #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+            unpacking_done:
+            #endif
+                if (!is_unsigned) {
+                    if (unlikely(val & (((unsigned int) 1) << (sizeof(unsigned int) * 8 - 1))))
+                        goto raise_overflow;
+                    if (is_negative)
+                        val = ~val;
+                }
+                ret = 0;
+            done:
+                Py_XDECREF(shift);
+                Py_XDECREF(mask);
+                Py_XDECREF(stepval);
+#endif
                 Py_DECREF(v);
                 if (likely(!ret))
                     return val;
             }
-#endif
             return (unsigned int) -1;
         }
     } else {
@@ -24038,8 +30437,34 @@ raise_neg_overflow:
     {
         int one = 1; int little = (int)*(unsigned char *)&one;
         unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
         return _PyLong_FromByteArray(bytes, sizeof(short),
                                      little, !is_unsigned);
+#else
+        PyObject *from_bytes, *result = NULL;
+        PyObject *py_bytes = NULL, *arg_tuple = NULL, *kwds = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(short));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        arg_tuple = PyTuple_Pack(2, py_bytes, order_str);
+        if (!arg_tuple) goto limited_bad;
+        if (!is_unsigned) {
+            kwds = PyDict_New();
+            if (!kwds) goto limited_bad;
+            if (PyDict_SetItemString(kwds, "signed", __Pyx_NewRef(Py_True))) goto limited_bad;
+        }
+        result = PyObject_Call(from_bytes, arg_tuple, kwds);
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(arg_tuple);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
     }
 }
 
@@ -24056,7 +30481,7 @@ raise_neg_overflow:
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_Check(x))) {
-        if (sizeof(short) < sizeof(long)) {
+        if ((sizeof(short) < sizeof(long))) {
             __PYX_VERIFY_RETURN_INT(short, long, PyInt_AS_LONG(x))
         } else {
             long val = PyInt_AS_LONG(x);
@@ -24070,40 +30495,45 @@ raise_neg_overflow:
     if (likely(PyLong_Check(x))) {
         if (is_unsigned) {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (short) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(short, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(short) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(short, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(short) >= 2 * PyLong_SHIFT) {
-                            return (short) (((((short)digits[1]) << PyLong_SHIFT) | (short)digits[0]));
+            if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+                goto raise_neg_overflow;
+            } else if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(short, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_DigitCount(x)) {
+                    case 2:
+                        if ((8 * sizeof(short) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(short, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(short) >= 2 * PyLong_SHIFT)) {
+                                return (short) (((((short)digits[1]) << PyLong_SHIFT) | (short)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(short) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(short, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(short) >= 3 * PyLong_SHIFT) {
-                            return (short) (((((((short)digits[2]) << PyLong_SHIFT) | (short)digits[1]) << PyLong_SHIFT) | (short)digits[0]));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(short) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(short, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(short) >= 3 * PyLong_SHIFT)) {
+                                return (short) (((((((short)digits[2]) << PyLong_SHIFT) | (short)digits[1]) << PyLong_SHIFT) | (short)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(short) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(short, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(short) >= 4 * PyLong_SHIFT) {
-                            return (short) (((((((((short)digits[3]) << PyLong_SHIFT) | (short)digits[2]) << PyLong_SHIFT) | (short)digits[1]) << PyLong_SHIFT) | (short)digits[0]));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(short) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(short, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(short) >= 4 * PyLong_SHIFT)) {
+                                return (short) (((((((((short)digits[3]) << PyLong_SHIFT) | (short)digits[2]) << PyLong_SHIFT) | (short)digits[1]) << PyLong_SHIFT) | (short)digits[0]));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -24116,109 +30546,181 @@ raise_neg_overflow:
                     goto raise_neg_overflow;
             }
 #endif
-            if (sizeof(short) <= sizeof(unsigned long)) {
+            if ((sizeof(short) <= sizeof(unsigned long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(short, unsigned long, PyLong_AsUnsignedLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(short) <= sizeof(unsigned PY_LONG_LONG)) {
+            } else if ((sizeof(short) <= sizeof(unsigned PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(short, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
 #endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (short) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(short, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(short,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(short) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(short, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(short) - 1 > 2 * PyLong_SHIFT) {
-                            return (short) (((short)-1)*(((((short)digits[1]) << PyLong_SHIFT) | (short)digits[0])));
+            if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(short, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                    case -2:
+                        if ((8 * sizeof(short) - 1 > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(short, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(short) - 1 > 2 * PyLong_SHIFT)) {
+                                return (short) (((short)-1)*(((((short)digits[1]) << PyLong_SHIFT) | (short)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(short) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(short, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(short) - 1 > 2 * PyLong_SHIFT) {
-                            return (short) ((((((short)digits[1]) << PyLong_SHIFT) | (short)digits[0])));
+                        break;
+                    case 2:
+                        if ((8 * sizeof(short) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(short, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(short) - 1 > 2 * PyLong_SHIFT)) {
+                                return (short) ((((((short)digits[1]) << PyLong_SHIFT) | (short)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(short) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(short, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(short) - 1 > 3 * PyLong_SHIFT) {
-                            return (short) (((short)-1)*(((((((short)digits[2]) << PyLong_SHIFT) | (short)digits[1]) << PyLong_SHIFT) | (short)digits[0])));
+                        break;
+                    case -3:
+                        if ((8 * sizeof(short) - 1 > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(short, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(short) - 1 > 3 * PyLong_SHIFT)) {
+                                return (short) (((short)-1)*(((((((short)digits[2]) << PyLong_SHIFT) | (short)digits[1]) << PyLong_SHIFT) | (short)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(short) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(short, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(short) - 1 > 3 * PyLong_SHIFT) {
-                            return (short) ((((((((short)digits[2]) << PyLong_SHIFT) | (short)digits[1]) << PyLong_SHIFT) | (short)digits[0])));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(short) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(short, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(short) - 1 > 3 * PyLong_SHIFT)) {
+                                return (short) ((((((((short)digits[2]) << PyLong_SHIFT) | (short)digits[1]) << PyLong_SHIFT) | (short)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(short) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(short, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(short) - 1 > 4 * PyLong_SHIFT) {
-                            return (short) (((short)-1)*(((((((((short)digits[3]) << PyLong_SHIFT) | (short)digits[2]) << PyLong_SHIFT) | (short)digits[1]) << PyLong_SHIFT) | (short)digits[0])));
+                        break;
+                    case -4:
+                        if ((8 * sizeof(short) - 1 > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(short, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(short) - 1 > 4 * PyLong_SHIFT)) {
+                                return (short) (((short)-1)*(((((((((short)digits[3]) << PyLong_SHIFT) | (short)digits[2]) << PyLong_SHIFT) | (short)digits[1]) << PyLong_SHIFT) | (short)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(short) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(short, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(short) - 1 > 4 * PyLong_SHIFT) {
-                            return (short) ((((((((((short)digits[3]) << PyLong_SHIFT) | (short)digits[2]) << PyLong_SHIFT) | (short)digits[1]) << PyLong_SHIFT) | (short)digits[0])));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(short) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(short, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(short) - 1 > 4 * PyLong_SHIFT)) {
+                                return (short) ((((((((((short)digits[3]) << PyLong_SHIFT) | (short)digits[2]) << PyLong_SHIFT) | (short)digits[1]) << PyLong_SHIFT) | (short)digits[0])));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-            if (sizeof(short) <= sizeof(long)) {
+            if ((sizeof(short) <= sizeof(long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(short, long, PyLong_AsLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(short) <= sizeof(PY_LONG_LONG)) {
+            } else if ((sizeof(short) <= sizeof(PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(short, PY_LONG_LONG, PyLong_AsLongLong(x))
 #endif
             }
         }
         {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
             short val;
             PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
+#if PY_MAJOR_VERSION < 3
             if (likely(v) && !PyLong_Check(v)) {
                 PyObject *tmp = v;
                 v = PyNumber_Long(tmp);
                 Py_DECREF(tmp);
             }
- #endif
+#endif
             if (likely(v)) {
+                int ret = -1;
+#if PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
                 int one = 1; int is_little = (int)*(unsigned char *)&one;
                 unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
+                ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                           bytes, sizeof(val),
+                                           is_little, !is_unsigned);
+#else
+                PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+                int bits, remaining_bits, is_negative = 0;
+                long idigit;
+                int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+                if (unlikely(!PyLong_CheckExact(v))) {
+                    PyObject *tmp = v;
+                    v = PyNumber_Long(v);
+                    assert(PyLong_CheckExact(v));
+                    Py_DECREF(tmp);
+                    if (unlikely(!v)) return (short) -1;
+                }
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                if (Py_SIZE(x) == 0)
+                    return (short) 0;
+                is_negative = Py_SIZE(x) < 0;
+#else
+                {
+                    int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+                    if (unlikely(result < 0))
+                        return (short) -1;
+                    is_negative = result == 1;
+                }
+#endif
+                if (is_unsigned && unlikely(is_negative)) {
+                    goto raise_neg_overflow;
+                } else if (is_negative) {
+                    stepval = PyNumber_Invert(v);
+                    if (unlikely(!stepval))
+                        return (short) -1;
+                } else {
+                    stepval = __Pyx_NewRef(v);
+                }
+                val = (short) 0;
+                mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+                shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+                for (bits = 0; bits < (int) sizeof(short) * 8 - chunk_size; bits += chunk_size) {
+                    PyObject *tmp, *digit;
+                    digit = PyNumber_And(stepval, mask);
+                    if (unlikely(!digit)) goto done;
+                    idigit = PyLong_AsLong(digit);
+                    Py_DECREF(digit);
+                    if (unlikely(idigit < 0)) goto done;
+                    tmp = PyNumber_Rshift(stepval, shift);
+                    if (unlikely(!tmp)) goto done;
+                    Py_DECREF(stepval); stepval = tmp;
+                    val |= ((short) idigit) << bits;
+                    #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                    if (Py_SIZE(stepval) == 0)
+                        goto unpacking_done;
+                    #endif
+                }
+                idigit = PyLong_AsLong(stepval);
+                if (unlikely(idigit < 0)) goto done;
+                remaining_bits = ((int) sizeof(short) * 8) - bits - (is_unsigned ? 0 : 1);
+                if (unlikely(idigit >= (1L << remaining_bits)))
+                    goto raise_overflow;
+                val |= ((short) idigit) << bits;
+            #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+            unpacking_done:
+            #endif
+                if (!is_unsigned) {
+                    if (unlikely(val & (((short) 1) << (sizeof(short) * 8 - 1))))
+                        goto raise_overflow;
+                    if (is_negative)
+                        val = ~val;
+                }
+                ret = 0;
+            done:
+                Py_XDECREF(shift);
+                Py_XDECREF(mask);
+                Py_XDECREF(stepval);
+#endif
                 Py_DECREF(v);
                 if (likely(!ret))
                     return val;
             }
-#endif
             return (short) -1;
         }
     } else {
@@ -24272,8 +30774,34 @@ raise_neg_overflow:
     {
         int one = 1; int little = (int)*(unsigned char *)&one;
         unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
         return _PyLong_FromByteArray(bytes, sizeof(char),
                                      little, !is_unsigned);
+#else
+        PyObject *from_bytes, *result = NULL;
+        PyObject *py_bytes = NULL, *arg_tuple = NULL, *kwds = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(char));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        arg_tuple = PyTuple_Pack(2, py_bytes, order_str);
+        if (!arg_tuple) goto limited_bad;
+        if (!is_unsigned) {
+            kwds = PyDict_New();
+            if (!kwds) goto limited_bad;
+            if (PyDict_SetItemString(kwds, "signed", __Pyx_NewRef(Py_True))) goto limited_bad;
+        }
+        result = PyObject_Call(from_bytes, arg_tuple, kwds);
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(arg_tuple);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
     }
 }
 
@@ -24290,7 +30818,7 @@ raise_neg_overflow:
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_Check(x))) {
-        if (sizeof(char) < sizeof(long)) {
+        if ((sizeof(char) < sizeof(long))) {
             __PYX_VERIFY_RETURN_INT(char, long, PyInt_AS_LONG(x))
         } else {
             long val = PyInt_AS_LONG(x);
@@ -24304,40 +30832,45 @@ raise_neg_overflow:
     if (likely(PyLong_Check(x))) {
         if (is_unsigned) {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (char) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(char, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(char) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) >= 2 * PyLong_SHIFT) {
-                            return (char) (((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+            if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+                goto raise_neg_overflow;
+            } else if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(char, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_DigitCount(x)) {
+                    case 2:
+                        if ((8 * sizeof(char) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) >= 2 * PyLong_SHIFT)) {
+                                return (char) (((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(char) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) >= 3 * PyLong_SHIFT) {
-                            return (char) (((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(char) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) >= 3 * PyLong_SHIFT)) {
+                                return (char) (((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(char) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) >= 4 * PyLong_SHIFT) {
-                            return (char) (((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(char) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) >= 4 * PyLong_SHIFT)) {
+                                return (char) (((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -24350,109 +30883,181 @@ raise_neg_overflow:
                     goto raise_neg_overflow;
             }
 #endif
-            if (sizeof(char) <= sizeof(unsigned long)) {
+            if ((sizeof(char) <= sizeof(unsigned long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(char, unsigned long, PyLong_AsUnsignedLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(char) <= sizeof(unsigned PY_LONG_LONG)) {
+            } else if ((sizeof(char) <= sizeof(unsigned PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(char, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
 #endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (char) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(char, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(char,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(char) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 2 * PyLong_SHIFT) {
-                            return (char) (((char)-1)*(((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+            if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(char, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                    case -2:
+                        if ((8 * sizeof(char) - 1 > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 2 * PyLong_SHIFT)) {
+                                return (char) (((char)-1)*(((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(char) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 2 * PyLong_SHIFT) {
-                            return (char) ((((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case 2:
+                        if ((8 * sizeof(char) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 2 * PyLong_SHIFT)) {
+                                return (char) ((((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(char) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 3 * PyLong_SHIFT) {
-                            return (char) (((char)-1)*(((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case -3:
+                        if ((8 * sizeof(char) - 1 > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 3 * PyLong_SHIFT)) {
+                                return (char) (((char)-1)*(((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(char) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 3 * PyLong_SHIFT) {
-                            return (char) ((((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(char) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 3 * PyLong_SHIFT)) {
+                                return (char) ((((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(char) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 4 * PyLong_SHIFT) {
-                            return (char) (((char)-1)*(((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case -4:
+                        if ((8 * sizeof(char) - 1 > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 4 * PyLong_SHIFT)) {
+                                return (char) (((char)-1)*(((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(char) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 4 * PyLong_SHIFT) {
-                            return (char) ((((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(char) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 4 * PyLong_SHIFT)) {
+                                return (char) ((((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-            if (sizeof(char) <= sizeof(long)) {
+            if ((sizeof(char) <= sizeof(long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(char, long, PyLong_AsLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(char) <= sizeof(PY_LONG_LONG)) {
+            } else if ((sizeof(char) <= sizeof(PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(char, PY_LONG_LONG, PyLong_AsLongLong(x))
 #endif
             }
         }
         {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
             char val;
             PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
+#if PY_MAJOR_VERSION < 3
             if (likely(v) && !PyLong_Check(v)) {
                 PyObject *tmp = v;
                 v = PyNumber_Long(tmp);
                 Py_DECREF(tmp);
             }
- #endif
+#endif
             if (likely(v)) {
+                int ret = -1;
+#if PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
                 int one = 1; int is_little = (int)*(unsigned char *)&one;
                 unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
+                ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                           bytes, sizeof(val),
+                                           is_little, !is_unsigned);
+#else
+                PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+                int bits, remaining_bits, is_negative = 0;
+                long idigit;
+                int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+                if (unlikely(!PyLong_CheckExact(v))) {
+                    PyObject *tmp = v;
+                    v = PyNumber_Long(v);
+                    assert(PyLong_CheckExact(v));
+                    Py_DECREF(tmp);
+                    if (unlikely(!v)) return (char) -1;
+                }
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                if (Py_SIZE(x) == 0)
+                    return (char) 0;
+                is_negative = Py_SIZE(x) < 0;
+#else
+                {
+                    int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+                    if (unlikely(result < 0))
+                        return (char) -1;
+                    is_negative = result == 1;
+                }
+#endif
+                if (is_unsigned && unlikely(is_negative)) {
+                    goto raise_neg_overflow;
+                } else if (is_negative) {
+                    stepval = PyNumber_Invert(v);
+                    if (unlikely(!stepval))
+                        return (char) -1;
+                } else {
+                    stepval = __Pyx_NewRef(v);
+                }
+                val = (char) 0;
+                mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+                shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+                for (bits = 0; bits < (int) sizeof(char) * 8 - chunk_size; bits += chunk_size) {
+                    PyObject *tmp, *digit;
+                    digit = PyNumber_And(stepval, mask);
+                    if (unlikely(!digit)) goto done;
+                    idigit = PyLong_AsLong(digit);
+                    Py_DECREF(digit);
+                    if (unlikely(idigit < 0)) goto done;
+                    tmp = PyNumber_Rshift(stepval, shift);
+                    if (unlikely(!tmp)) goto done;
+                    Py_DECREF(stepval); stepval = tmp;
+                    val |= ((char) idigit) << bits;
+                    #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                    if (Py_SIZE(stepval) == 0)
+                        goto unpacking_done;
+                    #endif
+                }
+                idigit = PyLong_AsLong(stepval);
+                if (unlikely(idigit < 0)) goto done;
+                remaining_bits = ((int) sizeof(char) * 8) - bits - (is_unsigned ? 0 : 1);
+                if (unlikely(idigit >= (1L << remaining_bits)))
+                    goto raise_overflow;
+                val |= ((char) idigit) << bits;
+            #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+            unpacking_done:
+            #endif
+                if (!is_unsigned) {
+                    if (unlikely(val & (((char) 1) << (sizeof(char) * 8 - 1))))
+                        goto raise_overflow;
+                    if (is_negative)
+                        val = ~val;
+                }
+                ret = 0;
+            done:
+                Py_XDECREF(shift);
+                Py_XDECREF(mask);
+                Py_XDECREF(stepval);
+#endif
                 Py_DECREF(v);
                 if (likely(!ret))
                     return val;
             }
-#endif
             return (char) -1;
         }
     } else {
@@ -24486,7 +31091,7 @@ raise_neg_overflow:
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
+        if ((sizeof(long) < sizeof(long))) {
             __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
         } else {
             long val = PyInt_AS_LONG(x);
@@ -24500,40 +31105,45 @@ raise_neg_overflow:
     if (likely(PyLong_Check(x))) {
         if (is_unsigned) {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (long) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
-                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+            if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+                goto raise_neg_overflow;
+            } else if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(long, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_DigitCount(x)) {
+                    case 2:
+                        if ((8 * sizeof(long) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) >= 2 * PyLong_SHIFT)) {
+                                return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
-                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(long) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) >= 3 * PyLong_SHIFT)) {
+                                return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
-                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(long) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) >= 4 * PyLong_SHIFT)) {
+                                return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -24546,109 +31156,181 @@ raise_neg_overflow:
                     goto raise_neg_overflow;
             }
 #endif
-            if (sizeof(long) <= sizeof(unsigned long)) {
+            if ((sizeof(long) <= sizeof(unsigned long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
+            } else if ((sizeof(long) <= sizeof(unsigned PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
 #endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (long) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+            if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(long, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                    case -2:
+                        if ((8 * sizeof(long) - 1 > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                                return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                            return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case 2:
+                        if ((8 * sizeof(long) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                                return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case -3:
+                        if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                                return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                            return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(long) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                                return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case -4:
+                        if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 4 * PyLong_SHIFT)) {
+                                return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                            return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(long) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 4 * PyLong_SHIFT)) {
+                                return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-            if (sizeof(long) <= sizeof(long)) {
+            if ((sizeof(long) <= sizeof(long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
+            } else if ((sizeof(long) <= sizeof(PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
 #endif
             }
         }
         {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
             long val;
             PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
+#if PY_MAJOR_VERSION < 3
             if (likely(v) && !PyLong_Check(v)) {
                 PyObject *tmp = v;
                 v = PyNumber_Long(tmp);
                 Py_DECREF(tmp);
             }
- #endif
+#endif
             if (likely(v)) {
+                int ret = -1;
+#if PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
                 int one = 1; int is_little = (int)*(unsigned char *)&one;
                 unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
+                ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                           bytes, sizeof(val),
+                                           is_little, !is_unsigned);
+#else
+                PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+                int bits, remaining_bits, is_negative = 0;
+                long idigit;
+                int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+                if (unlikely(!PyLong_CheckExact(v))) {
+                    PyObject *tmp = v;
+                    v = PyNumber_Long(v);
+                    assert(PyLong_CheckExact(v));
+                    Py_DECREF(tmp);
+                    if (unlikely(!v)) return (long) -1;
+                }
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                if (Py_SIZE(x) == 0)
+                    return (long) 0;
+                is_negative = Py_SIZE(x) < 0;
+#else
+                {
+                    int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+                    if (unlikely(result < 0))
+                        return (long) -1;
+                    is_negative = result == 1;
+                }
+#endif
+                if (is_unsigned && unlikely(is_negative)) {
+                    goto raise_neg_overflow;
+                } else if (is_negative) {
+                    stepval = PyNumber_Invert(v);
+                    if (unlikely(!stepval))
+                        return (long) -1;
+                } else {
+                    stepval = __Pyx_NewRef(v);
+                }
+                val = (long) 0;
+                mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+                shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+                for (bits = 0; bits < (int) sizeof(long) * 8 - chunk_size; bits += chunk_size) {
+                    PyObject *tmp, *digit;
+                    digit = PyNumber_And(stepval, mask);
+                    if (unlikely(!digit)) goto done;
+                    idigit = PyLong_AsLong(digit);
+                    Py_DECREF(digit);
+                    if (unlikely(idigit < 0)) goto done;
+                    tmp = PyNumber_Rshift(stepval, shift);
+                    if (unlikely(!tmp)) goto done;
+                    Py_DECREF(stepval); stepval = tmp;
+                    val |= ((long) idigit) << bits;
+                    #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                    if (Py_SIZE(stepval) == 0)
+                        goto unpacking_done;
+                    #endif
+                }
+                idigit = PyLong_AsLong(stepval);
+                if (unlikely(idigit < 0)) goto done;
+                remaining_bits = ((int) sizeof(long) * 8) - bits - (is_unsigned ? 0 : 1);
+                if (unlikely(idigit >= (1L << remaining_bits)))
+                    goto raise_overflow;
+                val |= ((long) idigit) << bits;
+            #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+            unpacking_done:
+            #endif
+                if (!is_unsigned) {
+                    if (unlikely(val & (((long) 1) << (sizeof(long) * 8 - 1))))
+                        goto raise_overflow;
+                    if (is_negative)
+                        val = ~val;
+                }
+                ret = 0;
+            done:
+                Py_XDECREF(shift);
+                Py_XDECREF(mask);
+                Py_XDECREF(stepval);
+#endif
                 Py_DECREF(v);
                 if (likely(!ret))
                     return val;
             }
-#endif
             return (long) -1;
         }
     } else {
@@ -24702,31 +31384,126 @@ raise_neg_overflow:
     {
         int one = 1; int little = (int)*(unsigned char *)&one;
         unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
         return _PyLong_FromByteArray(bytes, sizeof(long),
                                      little, !is_unsigned);
+#else
+        PyObject *from_bytes, *result = NULL;
+        PyObject *py_bytes = NULL, *arg_tuple = NULL, *kwds = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(long));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        arg_tuple = PyTuple_Pack(2, py_bytes, order_str);
+        if (!arg_tuple) goto limited_bad;
+        if (!is_unsigned) {
+            kwds = PyDict_New();
+            if (!kwds) goto limited_bad;
+            if (PyDict_SetItemString(kwds, "signed", __Pyx_NewRef(Py_True))) goto limited_bad;
+        }
+        result = PyObject_Call(from_bytes, arg_tuple, kwds);
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(arg_tuple);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
+    }
+}
+
+/* FormatTypeName */
+  #if CYTHON_COMPILING_IN_LIMITED_API
+static __Pyx_TypeName
+__Pyx_PyType_GetName(PyTypeObject* tp)
+{
+    PyObject *name = __Pyx_PyObject_GetAttrStr((PyObject *)tp,
+                                               __pyx_n_s_name_2);
+    if (unlikely(name == NULL) || unlikely(!PyUnicode_Check(name))) {
+        PyErr_Clear();
+        Py_XDECREF(name);
+        name = __Pyx_NewRef(__pyx_n_s__30);
     }
+    return name;
 }
+#endif
 
 /* CheckBinaryVersion */
-  static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
+  static unsigned long __Pyx_get_runtime_version(void) {
+#if __PYX_LIMITED_VERSION_HEX >= 0x030B00A4
+    return Py_Version & ~0xFFUL;
+#else
+    const char* rt_version = Py_GetVersion();
+    unsigned long version = 0;
+    unsigned long factor = 0x01000000UL;
+    unsigned int digit = 0;
+    int i = 0;
+    while (factor) {
+        while ('0' <= rt_version[i] && rt_version[i] <= '9') {
+            digit = digit * 10 + (unsigned int) (rt_version[i] - '0');
+            ++i;
+        }
+        version += factor * digit;
+        if (rt_version[i] != '.')
+            break;
+        digit = 0;
+        factor >>= 8;
+        ++i;
+    }
+    return version;
+#endif
+}
+static int __Pyx_check_binary_version(unsigned long ct_version, unsigned long rt_version, int allow_newer) {
+    const unsigned long MAJOR_MINOR = 0xFFFF0000UL;
+    if ((rt_version & MAJOR_MINOR) == (ct_version & MAJOR_MINOR))
+        return 0;
+    if (likely(allow_newer && (rt_version & MAJOR_MINOR) > (ct_version & MAJOR_MINOR)))
+        return 1;
+    {
         char message[200];
         PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
+                      "compile time Python version %d.%d "
+                      "of module '%.100s' "
+                      "%s "
+                      "runtime version %d.%d",
+                       (int) (ct_version >> 24), (int) ((ct_version >> 16) & 0xFF),
+                       __Pyx_MODULE_NAME,
+                       (allow_newer) ? "was newer than" : "does not match",
+                       (int) (rt_version >> 24), (int) ((rt_version >> 16) & 0xFF)
+       );
         return PyErr_WarnEx(NULL, message, 1);
     }
-    return 0;
 }
 
 /* InitStrings */
-  static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
+  #if PY_MAJOR_VERSION >= 3
+static int __Pyx_InitString(__Pyx_StringTabEntry t, PyObject **str) {
+    if (t.is_unicode | t.is_str) {
+        if (t.intern) {
+            *str = PyUnicode_InternFromString(t.s);
+        } else if (t.encoding) {
+            *str = PyUnicode_Decode(t.s, t.n - 1, t.encoding, NULL);
+        } else {
+            *str = PyUnicode_FromStringAndSize(t.s, t.n - 1);
+        }
+    } else {
+        *str = PyBytes_FromStringAndSize(t.s, t.n - 1);
+    }
+    if (!*str)
+        return -1;
+    if (PyObject_Hash(*str) == -1)
+        return -1;
+    return 0;
+}
+#endif
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
     while (t->p) {
-        #if PY_MAJOR_VERSION < 3
+        #if PY_MAJOR_VERSION >= 3
+        __Pyx_InitString(*t, t->p);
+        #else
         if (t->is_unicode) {
             *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
         } else if (t->intern) {
@@ -24734,30 +31511,34 @@ raise_neg_overflow:
         } else {
             *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
         }
-        #else
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
         if (!*t->p)
             return -1;
         if (PyObject_Hash(*t->p) == -1)
             return -1;
+        #endif
         ++t;
     }
     return 0;
 }
 
+#include <string.h>
+static CYTHON_INLINE Py_ssize_t __Pyx_ssize_strlen(const char *s) {
+    size_t len = strlen(s);
+    if (unlikely(len > (size_t) PY_SSIZE_T_MAX)) {
+        PyErr_SetString(PyExc_OverflowError, "byte string is too long");
+        return -1;
+    }
+    return (Py_ssize_t) len;
+}
 static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
+    Py_ssize_t len = __Pyx_ssize_strlen(c_str);
+    if (unlikely(len < 0)) return NULL;
+    return __Pyx_PyUnicode_FromStringAndSize(c_str, len);
+}
+static CYTHON_INLINE PyObject* __Pyx_PyByteArray_FromString(const char* c_str) {
+    Py_ssize_t len = __Pyx_ssize_strlen(c_str);
+    if (unlikely(len < 0)) return NULL;
+    return PyByteArray_FromStringAndSize(c_str, len);
 }
 static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) {
     Py_ssize_t ignore;
@@ -24812,7 +31593,7 @@ static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_
         return __Pyx_PyUnicode_AsStringAndSize(o, length);
     } else
 #endif
-#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
+#if (!CYTHON_COMPILING_IN_PYPY && !CYTHON_COMPILING_IN_LIMITED_API) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
     if (PyByteArray_Check(o)) {
         *length = PyByteArray_GET_SIZE(o);
         return PyByteArray_AS_STRING(o);
@@ -24841,22 +31622,26 @@ static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) {
     return retval;
 }
 static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) {
+    __Pyx_TypeName result_type_name = __Pyx_PyType_GetName(Py_TYPE(result));
 #if PY_MAJOR_VERSION >= 3
     if (PyLong_Check(result)) {
         if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
-                "__int__ returned non-int (type %.200s).  "
-                "The ability to return an instance of a strict subclass of int "
-                "is deprecated, and may be removed in a future version of Python.",
-                Py_TYPE(result)->tp_name)) {
+                "__int__ returned non-int (type " __Pyx_FMT_TYPENAME ").  "
+                "The ability to return an instance of a strict subclass of int is deprecated, "
+                "and may be removed in a future version of Python.",
+                result_type_name)) {
+            __Pyx_DECREF_TypeName(result_type_name);
             Py_DECREF(result);
             return NULL;
         }
+        __Pyx_DECREF_TypeName(result_type_name);
         return result;
     }
 #endif
     PyErr_Format(PyExc_TypeError,
-                 "__%.4s__ returned non-%.4s (type %.200s)",
-                 type_name, type_name, Py_TYPE(result)->tp_name);
+                 "__%.4s__ returned non-%.4s (type " __Pyx_FMT_TYPENAME ")",
+                 type_name, type_name, result_type_name);
+    __Pyx_DECREF_TypeName(result_type_name);
     Py_DECREF(result);
     return NULL;
 }
@@ -24922,13 +31707,11 @@ static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
 #endif
   if (likely(PyLong_CheckExact(b))) {
     #if CYTHON_USE_PYLONG_INTERNALS
-    const digit* digits = ((PyLongObject*)b)->ob_digit;
-    const Py_ssize_t size = Py_SIZE(b);
-    if (likely(__Pyx_sst_abs(size) <= 1)) {
-        ival = likely(size) ? digits[0] : 0;
-        if (size == -1) ival = -ival;
-        return ival;
+    if (likely(__Pyx_PyLong_IsCompact(b))) {
+        return __Pyx_PyLong_CompactValue(b);
     } else {
+      const digit* digits = __Pyx_PyLong_Digits(b);
+      const Py_ssize_t size = __Pyx_PyLong_SignedDigitCount(b);
       switch (size) {
          case 2:
            if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
@@ -24971,6 +31754,23 @@ static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
   Py_DECREF(x);
   return ival;
 }
+static CYTHON_INLINE Py_hash_t __Pyx_PyIndex_AsHash_t(PyObject* o) {
+  if (sizeof(Py_hash_t) == sizeof(Py_ssize_t)) {
+    return (Py_hash_t) __Pyx_PyIndex_AsSsize_t(o);
+#if PY_MAJOR_VERSION < 3
+  } else if (likely(PyInt_CheckExact(o))) {
+    return PyInt_AS_LONG(o);
+#endif
+  } else {
+    Py_ssize_t ival;
+    PyObject *x;
+    x = PyNumber_Index(o);
+    if (!x) return -1;
+    ival = PyInt_AsLong(x);
+    Py_DECREF(x);
+    return ival;
+  }
+}
 static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) {
   return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False);
 }
@@ -24979,4 +31779,12 @@ static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
 }
 
 
+/* #### Code section: utility_code_pragmas_end ### */
+#ifdef _MSC_VER
+#pragma warning( pop )
+#endif
+
+
+
+/* #### Code section: end ### */
 #endif /* Py_PYTHON_H */
diff --git a/fastXPCS/fastXPCS/cython/welford.c b/fastXPCS/fastXPCS/cython/welford.c
index 4f9593b..1cbce67 100644
--- a/fastXPCS/fastXPCS/cython/welford.c
+++ b/fastXPCS/fastXPCS/cython/welford.c
@@ -1,15 +1,15 @@
-/* Generated by Cython 0.29.24 */
+/* Generated by Cython 3.0.10 */
 
 /* BEGIN: Cython Metadata
 {
     "distutils": {
         "include_dirs": [
             ".",
-            "/scratch/midonc/karabo/extern/lib/python3.8/site-packages/numpy-1.21.4-py3.8-linux-x86_64.egg/numpy/core/include"
+            "/home/jakobsem/git/onlinexpcs/env/lib/python3.10/site-packages/numpy/core/include"
         ],
         "name": "welford",
         "sources": [
-            "/home/midonc/git/fastxpcs/fastXPCS/cython/welford.pyx"
+            "/home/jakobsem/git/onlinexpcs/fastXPCS/fastXPCS/cython/welford.pyx"
         ]
     },
     "module_name": "welford"
@@ -19,20 +19,37 @@ END: Cython Metadata */
 #ifndef PY_SSIZE_T_CLEAN
 #define PY_SSIZE_T_CLEAN
 #endif /* PY_SSIZE_T_CLEAN */
+#if defined(CYTHON_LIMITED_API) && 0
+  #ifndef Py_LIMITED_API
+    #if CYTHON_LIMITED_API+0 > 0x03030000
+      #define Py_LIMITED_API CYTHON_LIMITED_API
+    #else
+      #define Py_LIMITED_API 0x03030000
+    #endif
+  #endif
+#endif
+
 #include "Python.h"
 #ifndef Py_PYTHON_H
     #error Python headers needed to compile C extensions, please install development version of Python.
-#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000)
-    #error Cython requires Python 2.6+ or Python 3.3+.
+#elif PY_VERSION_HEX < 0x02070000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000)
+    #error Cython requires Python 2.7+ or Python 3.3+.
+#else
+#if defined(CYTHON_LIMITED_API) && CYTHON_LIMITED_API
+#define __PYX_EXTRA_ABI_MODULE_NAME "limited"
 #else
-#define CYTHON_ABI "0_29_24"
-#define CYTHON_HEX_VERSION 0x001D18F0
+#define __PYX_EXTRA_ABI_MODULE_NAME ""
+#endif
+#define CYTHON_ABI "3_0_10" __PYX_EXTRA_ABI_MODULE_NAME
+#define __PYX_ABI_MODULE_NAME "_cython_" CYTHON_ABI
+#define __PYX_TYPE_MODULE_PREFIX __PYX_ABI_MODULE_NAME "."
+#define CYTHON_HEX_VERSION 0x03000AF0
 #define CYTHON_FUTURE_DIVISION 1
 #include <stddef.h>
 #ifndef offsetof
   #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
 #endif
-#if !defined(WIN32) && !defined(MS_WINDOWS)
+#if !defined(_WIN32) && !defined(WIN32) && !defined(MS_WINDOWS)
   #ifndef __stdcall
     #define __stdcall
   #endif
@@ -51,9 +68,7 @@ END: Cython Metadata */
 #endif
 #define __PYX_COMMA ,
 #ifndef HAVE_LONG_LONG
-  #if PY_VERSION_HEX >= 0x02070000
-    #define HAVE_LONG_LONG
-  #endif
+  #define HAVE_LONG_LONG
 #endif
 #ifndef PY_LONG_LONG
   #define PY_LONG_LONG LONG_LONG
@@ -61,12 +76,19 @@ END: Cython Metadata */
 #ifndef Py_HUGE_VAL
   #define Py_HUGE_VAL HUGE_VAL
 #endif
-#ifdef PYPY_VERSION
-  #define CYTHON_COMPILING_IN_PYPY 1
-  #define CYTHON_COMPILING_IN_PYSTON 0
+#define __PYX_LIMITED_VERSION_HEX PY_VERSION_HEX
+#if defined(GRAALVM_PYTHON)
+  /* For very preliminary testing purposes. Most variables are set the same as PyPy.
+     The existence of this section does not imply that anything works or is even tested */
+  #define CYTHON_COMPILING_IN_PYPY 0
   #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 1
+  #define CYTHON_COMPILING_IN_NOGIL 0
   #undef CYTHON_USE_TYPE_SLOTS
   #define CYTHON_USE_TYPE_SLOTS 0
+  #undef CYTHON_USE_TYPE_SPECS
+  #define CYTHON_USE_TYPE_SPECS 0
   #undef CYTHON_USE_PYTYPE_LOOKUP
   #define CYTHON_USE_PYTYPE_LOOKUP 0
   #if PY_VERSION_HEX < 0x03050000
@@ -91,27 +113,176 @@ END: Cython Metadata */
   #define CYTHON_UNPACK_METHODS 0
   #undef CYTHON_FAST_THREAD_STATE
   #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
   #undef CYTHON_FAST_PYCALL
   #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS (PY_MAJOR_VERSION >= 3)
+  #endif
   #undef CYTHON_PEP489_MULTI_PHASE_INIT
-  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 0
   #undef CYTHON_USE_TP_FINALIZE
   #define CYTHON_USE_TP_FINALIZE 0
   #undef CYTHON_USE_DICT_VERSIONS
   #define CYTHON_USE_DICT_VERSIONS 0
   #undef CYTHON_USE_EXC_INFO_STACK
   #define CYTHON_USE_EXC_INFO_STACK 0
-#elif defined(PYSTON_VERSION)
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+#elif defined(PYPY_VERSION)
+  #define CYTHON_COMPILING_IN_PYPY 1
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_NOGIL 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 0
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
+  #undef CYTHON_USE_PYTYPE_LOOKUP
+  #define CYTHON_USE_PYTYPE_LOOKUP 0
+  #if PY_VERSION_HEX < 0x03050000
+    #undef CYTHON_USE_ASYNC_SLOTS
+    #define CYTHON_USE_ASYNC_SLOTS 0
+  #elif !defined(CYTHON_USE_ASYNC_SLOTS)
+    #define CYTHON_USE_ASYNC_SLOTS 1
+  #endif
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_WRITER
+  #define CYTHON_USE_UNICODE_WRITER 0
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #undef CYTHON_AVOID_BORROWED_REFS
+  #define CYTHON_AVOID_BORROWED_REFS 1
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS (PY_MAJOR_VERSION >= 3)
+  #endif
+  #if PY_VERSION_HEX < 0x03090000
+    #undef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #elif !defined(CYTHON_PEP489_MULTI_PHASE_INIT)
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 0
+  #undef CYTHON_USE_TP_FINALIZE
+  #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1 && PYPY_VERSION_NUM >= 0x07030C00)
+  #undef CYTHON_USE_DICT_VERSIONS
+  #define CYTHON_USE_DICT_VERSIONS 0
+  #undef CYTHON_USE_EXC_INFO_STACK
+  #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+#elif defined(CYTHON_LIMITED_API)
+  #ifdef Py_LIMITED_API
+    #undef __PYX_LIMITED_VERSION_HEX
+    #define __PYX_LIMITED_VERSION_HEX Py_LIMITED_API
+  #endif
+  #define CYTHON_COMPILING_IN_PYPY 0
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 1
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_NOGIL 0
+  #undef CYTHON_CLINE_IN_TRACEBACK
+  #define CYTHON_CLINE_IN_TRACEBACK 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 0
+  #undef CYTHON_USE_TYPE_SPECS
+  #define CYTHON_USE_TYPE_SPECS 1
+  #undef CYTHON_USE_PYTYPE_LOOKUP
+  #define CYTHON_USE_PYTYPE_LOOKUP 0
+  #undef CYTHON_USE_ASYNC_SLOTS
+  #define CYTHON_USE_ASYNC_SLOTS 0
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #ifndef CYTHON_USE_UNICODE_WRITER
+    #define CYTHON_USE_UNICODE_WRITER 0
+  #endif
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #ifndef CYTHON_AVOID_BORROWED_REFS
+    #define CYTHON_AVOID_BORROWED_REFS 0
+  #endif
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #undef CYTHON_METH_FASTCALL
+  #define CYTHON_METH_FASTCALL 0
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #undef CYTHON_PEP489_MULTI_PHASE_INIT
+  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #undef CYTHON_USE_MODULE_STATE
+  #define CYTHON_USE_MODULE_STATE 1
+  #ifndef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 0
+  #endif
+  #undef CYTHON_USE_DICT_VERSIONS
+  #define CYTHON_USE_DICT_VERSIONS 0
+  #undef CYTHON_USE_EXC_INFO_STACK
+  #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
+  #endif
+  #undef CYTHON_USE_FREELISTS
+  #define CYTHON_USE_FREELISTS 0
+#elif defined(Py_GIL_DISABLED) || defined(Py_NOGIL)
   #define CYTHON_COMPILING_IN_PYPY 0
-  #define CYTHON_COMPILING_IN_PYSTON 1
   #define CYTHON_COMPILING_IN_CPYTHON 0
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_NOGIL 1
   #ifndef CYTHON_USE_TYPE_SLOTS
     #define CYTHON_USE_TYPE_SLOTS 1
   #endif
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
   #undef CYTHON_USE_PYTYPE_LOOKUP
   #define CYTHON_USE_PYTYPE_LOOKUP 0
-  #undef CYTHON_USE_ASYNC_SLOTS
-  #define CYTHON_USE_ASYNC_SLOTS 0
+  #ifndef CYTHON_USE_ASYNC_SLOTS
+    #define CYTHON_USE_ASYNC_SLOTS 1
+  #endif
+  #ifndef CYTHON_USE_PYLONG_INTERNALS
+    #define CYTHON_USE_PYLONG_INTERNALS 0
+  #endif
   #undef CYTHON_USE_PYLIST_INTERNALS
   #define CYTHON_USE_PYLIST_INTERNALS 0
   #ifndef CYTHON_USE_UNICODE_INTERNALS
@@ -119,8 +290,6 @@ END: Cython Metadata */
   #endif
   #undef CYTHON_USE_UNICODE_WRITER
   #define CYTHON_USE_UNICODE_WRITER 0
-  #undef CYTHON_USE_PYLONG_INTERNALS
-  #define CYTHON_USE_PYLONG_INTERNALS 0
   #ifndef CYTHON_AVOID_BORROWED_REFS
     #define CYTHON_AVOID_BORROWED_REFS 0
   #endif
@@ -132,27 +301,48 @@ END: Cython Metadata */
   #endif
   #undef CYTHON_FAST_THREAD_STATE
   #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_GIL
+  #define CYTHON_FAST_GIL 0
+  #ifndef CYTHON_METH_FASTCALL
+    #define CYTHON_METH_FASTCALL 1
+  #endif
   #undef CYTHON_FAST_PYCALL
   #define CYTHON_FAST_PYCALL 0
-  #undef CYTHON_PEP489_MULTI_PHASE_INIT
-  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
-  #undef CYTHON_USE_TP_FINALIZE
-  #define CYTHON_USE_TP_FINALIZE 0
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
+  #endif
+  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #ifndef CYTHON_USE_MODULE_STATE
+    #define CYTHON_USE_MODULE_STATE 0
+  #endif
+  #ifndef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 1
+  #endif
   #undef CYTHON_USE_DICT_VERSIONS
   #define CYTHON_USE_DICT_VERSIONS 0
   #undef CYTHON_USE_EXC_INFO_STACK
   #define CYTHON_USE_EXC_INFO_STACK 0
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 1
+  #endif
+  #ifndef CYTHON_USE_FREELISTS
+    #define CYTHON_USE_FREELISTS 0
+  #endif
 #else
   #define CYTHON_COMPILING_IN_PYPY 0
-  #define CYTHON_COMPILING_IN_PYSTON 0
   #define CYTHON_COMPILING_IN_CPYTHON 1
+  #define CYTHON_COMPILING_IN_LIMITED_API 0
+  #define CYTHON_COMPILING_IN_GRAAL 0
+  #define CYTHON_COMPILING_IN_NOGIL 0
   #ifndef CYTHON_USE_TYPE_SLOTS
     #define CYTHON_USE_TYPE_SLOTS 1
   #endif
-  #if PY_VERSION_HEX < 0x02070000
-    #undef CYTHON_USE_PYTYPE_LOOKUP
-    #define CYTHON_USE_PYTYPE_LOOKUP 0
-  #elif !defined(CYTHON_USE_PYTYPE_LOOKUP)
+  #ifndef CYTHON_USE_TYPE_SPECS
+    #define CYTHON_USE_TYPE_SPECS 0
+  #endif
+  #ifndef CYTHON_USE_PYTYPE_LOOKUP
     #define CYTHON_USE_PYTYPE_LOOKUP 1
   #endif
   #if PY_MAJOR_VERSION < 3
@@ -161,10 +351,7 @@ END: Cython Metadata */
   #elif !defined(CYTHON_USE_ASYNC_SLOTS)
     #define CYTHON_USE_ASYNC_SLOTS 1
   #endif
-  #if PY_VERSION_HEX < 0x02070000
-    #undef CYTHON_USE_PYLONG_INTERNALS
-    #define CYTHON_USE_PYLONG_INTERNALS 0
-  #elif !defined(CYTHON_USE_PYLONG_INTERNALS)
+  #ifndef CYTHON_USE_PYLONG_INTERNALS
     #define CYTHON_USE_PYLONG_INTERNALS 1
   #endif
   #ifndef CYTHON_USE_PYLIST_INTERNALS
@@ -173,7 +360,7 @@ END: Cython Metadata */
   #ifndef CYTHON_USE_UNICODE_INTERNALS
     #define CYTHON_USE_UNICODE_INTERNALS 1
   #endif
-  #if PY_VERSION_HEX < 0x030300F0
+  #if PY_VERSION_HEX < 0x030300F0 || PY_VERSION_HEX >= 0x030B00A2
     #undef CYTHON_USE_UNICODE_WRITER
     #define CYTHON_USE_UNICODE_WRITER 0
   #elif !defined(CYTHON_USE_UNICODE_WRITER)
@@ -191,27 +378,63 @@ END: Cython Metadata */
   #ifndef CYTHON_FAST_THREAD_STATE
     #define CYTHON_FAST_THREAD_STATE 1
   #endif
+  #ifndef CYTHON_FAST_GIL
+    #define CYTHON_FAST_GIL (PY_MAJOR_VERSION < 3 || PY_VERSION_HEX >= 0x03060000 && PY_VERSION_HEX < 0x030C00A6)
+  #endif
+  #ifndef CYTHON_METH_FASTCALL
+    #define CYTHON_METH_FASTCALL (PY_VERSION_HEX >= 0x030700A1)
+  #endif
   #ifndef CYTHON_FAST_PYCALL
     #define CYTHON_FAST_PYCALL 1
   #endif
-  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
-    #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000)
+  #ifndef CYTHON_PEP487_INIT_SUBCLASS
+    #define CYTHON_PEP487_INIT_SUBCLASS 1
   #endif
-  #ifndef CYTHON_USE_TP_FINALIZE
-    #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1)
+  #if PY_VERSION_HEX < 0x03050000
+    #undef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #elif !defined(CYTHON_PEP489_MULTI_PHASE_INIT)
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
+  #ifndef CYTHON_USE_MODULE_STATE
+    #define CYTHON_USE_MODULE_STATE 0
   #endif
-  #ifndef CYTHON_USE_DICT_VERSIONS
-    #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1)
+  #if PY_VERSION_HEX < 0x030400a1
+    #undef CYTHON_USE_TP_FINALIZE
+    #define CYTHON_USE_TP_FINALIZE 0
+  #elif !defined(CYTHON_USE_TP_FINALIZE)
+    #define CYTHON_USE_TP_FINALIZE 1
   #endif
-  #ifndef CYTHON_USE_EXC_INFO_STACK
-    #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3)
+  #if PY_VERSION_HEX < 0x030600B1
+    #undef CYTHON_USE_DICT_VERSIONS
+    #define CYTHON_USE_DICT_VERSIONS 0
+  #elif !defined(CYTHON_USE_DICT_VERSIONS)
+    #define CYTHON_USE_DICT_VERSIONS  (PY_VERSION_HEX < 0x030C00A5)
+  #endif
+  #if PY_VERSION_HEX < 0x030700A3
+    #undef CYTHON_USE_EXC_INFO_STACK
+    #define CYTHON_USE_EXC_INFO_STACK 0
+  #elif !defined(CYTHON_USE_EXC_INFO_STACK)
+    #define CYTHON_USE_EXC_INFO_STACK 1
+  #endif
+  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
+    #define CYTHON_UPDATE_DESCRIPTOR_DOC 1
+  #endif
+  #ifndef CYTHON_USE_FREELISTS
+    #define CYTHON_USE_FREELISTS 1
   #endif
 #endif
 #if !defined(CYTHON_FAST_PYCCALL)
 #define CYTHON_FAST_PYCCALL  (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1)
 #endif
+#if !defined(CYTHON_VECTORCALL)
+#define CYTHON_VECTORCALL  (CYTHON_FAST_PYCCALL && PY_VERSION_HEX >= 0x030800B1)
+#endif
+#define CYTHON_BACKPORT_VECTORCALL (CYTHON_METH_FASTCALL && PY_VERSION_HEX < 0x030800B1)
 #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
+  #if PY_MAJOR_VERSION < 3
+    #include "longintrepr.h"
+  #endif
   #undef SHIFT
   #undef BASE
   #undef MASK
@@ -236,6 +459,17 @@ END: Cython Metadata */
     #define CYTHON_RESTRICT
   #endif
 #endif
+#ifndef CYTHON_UNUSED
+  #if defined(__cplusplus)
+    /* for clang __has_cpp_attribute(maybe_unused) is true even before C++17
+     * but leads to warnings with -pedantic, since it is a C++17 feature */
+    #if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || __cplusplus >= 201703L)
+      #if __has_cpp_attribute(maybe_unused)
+        #define CYTHON_UNUSED [[maybe_unused]]
+      #endif
+    #endif
+  #endif
+#endif
 #ifndef CYTHON_UNUSED
 # if defined(__GNUC__)
 #   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
@@ -249,13 +483,16 @@ END: Cython Metadata */
 #   define CYTHON_UNUSED
 # endif
 #endif
-#ifndef CYTHON_MAYBE_UNUSED_VAR
+#ifndef CYTHON_UNUSED_VAR
 #  if defined(__cplusplus)
-     template<class T> void CYTHON_MAYBE_UNUSED_VAR( const T& ) { }
+     template<class T> void CYTHON_UNUSED_VAR( const T& ) { }
 #  else
-#    define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x)
+#    define CYTHON_UNUSED_VAR(x) (void)(x)
 #  endif
 #endif
+#ifndef CYTHON_MAYBE_UNUSED_VAR
+  #define CYTHON_MAYBE_UNUSED_VAR(x) CYTHON_UNUSED_VAR(x)
+#endif
 #ifndef CYTHON_NCP_UNUSED
 # if CYTHON_COMPILING_IN_CPYTHON
 #  define CYTHON_NCP_UNUSED
@@ -263,28 +500,59 @@ END: Cython Metadata */
 #  define CYTHON_NCP_UNUSED CYTHON_UNUSED
 # endif
 #endif
+#ifndef CYTHON_USE_CPP_STD_MOVE
+  #if defined(__cplusplus) && (\
+    __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1600))
+    #define CYTHON_USE_CPP_STD_MOVE 1
+  #else
+    #define CYTHON_USE_CPP_STD_MOVE 0
+  #endif
+#endif
 #define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None)
 #ifdef _MSC_VER
     #ifndef _MSC_STDINT_H_
         #if _MSC_VER < 1300
-           typedef unsigned char     uint8_t;
-           typedef unsigned int      uint32_t;
+            typedef unsigned char     uint8_t;
+            typedef unsigned short    uint16_t;
+            typedef unsigned int      uint32_t;
+        #else
+            typedef unsigned __int8   uint8_t;
+            typedef unsigned __int16  uint16_t;
+            typedef unsigned __int32  uint32_t;
+        #endif
+    #endif
+    #if _MSC_VER < 1300
+        #ifdef _WIN64
+            typedef unsigned long long  __pyx_uintptr_t;
         #else
-           typedef unsigned __int8   uint8_t;
-           typedef unsigned __int32  uint32_t;
+            typedef unsigned int        __pyx_uintptr_t;
+        #endif
+    #else
+        #ifdef _WIN64
+            typedef unsigned __int64    __pyx_uintptr_t;
+        #else
+            typedef unsigned __int32    __pyx_uintptr_t;
         #endif
     #endif
 #else
-   #include <stdint.h>
+    #include <stdint.h>
+    typedef uintptr_t  __pyx_uintptr_t;
 #endif
 #ifndef CYTHON_FALLTHROUGH
-  #if defined(__cplusplus) && __cplusplus >= 201103L
-    #if __has_cpp_attribute(fallthrough)
-      #define CYTHON_FALLTHROUGH [[fallthrough]]
-    #elif __has_cpp_attribute(clang::fallthrough)
-      #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
-    #elif __has_cpp_attribute(gnu::fallthrough)
-      #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
+  #if defined(__cplusplus)
+    /* for clang __has_cpp_attribute(fallthrough) is true even before C++17
+     * but leads to warnings with -pedantic, since it is a C++17 feature */
+    #if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || __cplusplus >= 201703L)
+      #if __has_cpp_attribute(fallthrough)
+        #define CYTHON_FALLTHROUGH [[fallthrough]]
+      #endif
+    #endif
+    #ifndef CYTHON_FALLTHROUGH
+      #if __has_cpp_attribute(clang::fallthrough)
+        #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
+      #elif __has_cpp_attribute(gnu::fallthrough)
+        #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
+      #endif
     #endif
   #endif
   #ifndef CYTHON_FALLTHROUGH
@@ -294,13 +562,26 @@ END: Cython Metadata */
       #define CYTHON_FALLTHROUGH
     #endif
   #endif
-  #if defined(__clang__ ) && defined(__apple_build_version__)
+  #if defined(__clang__) && defined(__apple_build_version__)
     #if __apple_build_version__ < 7000000
       #undef  CYTHON_FALLTHROUGH
       #define CYTHON_FALLTHROUGH
     #endif
   #endif
 #endif
+#ifdef __cplusplus
+  template <typename T>
+  struct __PYX_IS_UNSIGNED_IMPL {static const bool value = T(0) < T(-1);};
+  #define __PYX_IS_UNSIGNED(type) (__PYX_IS_UNSIGNED_IMPL<type>::value)
+#else
+  #define __PYX_IS_UNSIGNED(type) (((type)-1) > 0)
+#endif
+#if CYTHON_COMPILING_IN_PYPY == 1
+  #define __PYX_NEED_TP_PRINT_SLOT  (PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x030A0000)
+#else
+  #define __PYX_NEED_TP_PRINT_SLOT  (PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000)
+#endif
+#define __PYX_REINTERPRET_FUNCION(func_pointer, other_pointer) ((func_pointer)(void(*)(void))(other_pointer))
 
 #ifndef CYTHON_INLINE
   #if defined(__clang__)
@@ -316,26 +597,145 @@ END: Cython Metadata */
   #endif
 #endif
 
-#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
-  #define Py_OptimizeFlag 0
-#endif
 #define __PYX_BUILD_PY_SSIZE_T "n"
 #define CYTHON_FORMAT_SSIZE_T "z"
 #if PY_MAJOR_VERSION < 3
   #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
-          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
   #define __Pyx_DefaultClassType PyClass_Type
+  #define __Pyx_PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #else
   #define __Pyx_BUILTIN_MODULE_NAME "builtins"
-#if PY_VERSION_HEX >= 0x030800A4 && PY_VERSION_HEX < 0x030800B2
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
-          PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+  #define __Pyx_DefaultClassType PyType_Type
+#if CYTHON_COMPILING_IN_LIMITED_API
+    static CYTHON_INLINE PyObject* __Pyx_PyCode_New(int a, int p, int k, int l, int s, int f,
+                                                    PyObject *code, PyObject *c, PyObject* n, PyObject *v,
+                                                    PyObject *fv, PyObject *cell, PyObject* fn,
+                                                    PyObject *name, int fline, PyObject *lnos) {
+        PyObject *exception_table = NULL;
+        PyObject *types_module=NULL, *code_type=NULL, *result=NULL;
+        #if __PYX_LIMITED_VERSION_HEX < 0x030B0000
+        PyObject *version_info;
+        PyObject *py_minor_version = NULL;
+        #endif
+        long minor_version = 0;
+        PyObject *type, *value, *traceback;
+        PyErr_Fetch(&type, &value, &traceback);
+        #if __PYX_LIMITED_VERSION_HEX >= 0x030B0000
+        minor_version = 11;
+        #else
+        if (!(version_info = PySys_GetObject("version_info"))) goto end;
+        if (!(py_minor_version = PySequence_GetItem(version_info, 1))) goto end;
+        minor_version = PyLong_AsLong(py_minor_version);
+        Py_DECREF(py_minor_version);
+        if (minor_version == -1 && PyErr_Occurred()) goto end;
+        #endif
+        if (!(types_module = PyImport_ImportModule("types"))) goto end;
+        if (!(code_type = PyObject_GetAttrString(types_module, "CodeType"))) goto end;
+        if (minor_version <= 7) {
+            (void)p;
+            result = PyObject_CallFunction(code_type, "iiiiiOOOOOOiOO", a, k, l, s, f, code,
+                          c, n, v, fn, name, fline, lnos, fv, cell);
+        } else if (minor_version <= 10) {
+            result = PyObject_CallFunction(code_type, "iiiiiiOOOOOOiOO", a,p, k, l, s, f, code,
+                          c, n, v, fn, name, fline, lnos, fv, cell);
+        } else {
+            if (!(exception_table = PyBytes_FromStringAndSize(NULL, 0))) goto end;
+            result = PyObject_CallFunction(code_type, "iiiiiiOOOOOOOiOO", a,p, k, l, s, f, code,
+                          c, n, v, fn, name, name, fline, lnos, exception_table, fv, cell);
+        }
+    end:
+        Py_XDECREF(code_type);
+        Py_XDECREF(exception_table);
+        Py_XDECREF(types_module);
+        if (type) {
+            PyErr_Restore(type, value, traceback);
+        }
+        return result;
+    }
+    #ifndef CO_OPTIMIZED
+    #define CO_OPTIMIZED 0x0001
+    #endif
+    #ifndef CO_NEWLOCALS
+    #define CO_NEWLOCALS 0x0002
+    #endif
+    #ifndef CO_VARARGS
+    #define CO_VARARGS 0x0004
+    #endif
+    #ifndef CO_VARKEYWORDS
+    #define CO_VARKEYWORDS 0x0008
+    #endif
+    #ifndef CO_ASYNC_GENERATOR
+    #define CO_ASYNC_GENERATOR 0x0200
+    #endif
+    #ifndef CO_GENERATOR
+    #define CO_GENERATOR 0x0020
+    #endif
+    #ifndef CO_COROUTINE
+    #define CO_COROUTINE 0x0080
+    #endif
+#elif PY_VERSION_HEX >= 0x030B0000
+  static CYTHON_INLINE PyCodeObject* __Pyx_PyCode_New(int a, int p, int k, int l, int s, int f,
+                                                    PyObject *code, PyObject *c, PyObject* n, PyObject *v,
+                                                    PyObject *fv, PyObject *cell, PyObject* fn,
+                                                    PyObject *name, int fline, PyObject *lnos) {
+    PyCodeObject *result;
+    PyObject *empty_bytes = PyBytes_FromStringAndSize("", 0);
+    if (!empty_bytes) return NULL;
+    result =
+      #if PY_VERSION_HEX >= 0x030C0000
+        PyUnstable_Code_NewWithPosOnlyArgs
+      #else
+        PyCode_NewWithPosOnlyArgs
+      #endif
+        (a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, name, fline, lnos, empty_bytes);
+    Py_DECREF(empty_bytes);
+    return result;
+  }
+#elif PY_VERSION_HEX >= 0x030800B2 && !CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+          PyCode_NewWithPosOnlyArgs(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #else
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
+  #define __Pyx_PyCode_New(a, p, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
           PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #endif
-  #define __Pyx_DefaultClassType PyType_Type
+#endif
+#if PY_VERSION_HEX >= 0x030900A4 || defined(Py_IS_TYPE)
+  #define __Pyx_IS_TYPE(ob, type) Py_IS_TYPE(ob, type)
+#else
+  #define __Pyx_IS_TYPE(ob, type) (((const PyObject*)ob)->ob_type == (type))
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_Is)
+  #define __Pyx_Py_Is(x, y)  Py_Is(x, y)
+#else
+  #define __Pyx_Py_Is(x, y) ((x) == (y))
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsNone)
+  #define __Pyx_Py_IsNone(ob) Py_IsNone(ob)
+#else
+  #define __Pyx_Py_IsNone(ob) __Pyx_Py_Is((ob), Py_None)
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsTrue)
+  #define __Pyx_Py_IsTrue(ob) Py_IsTrue(ob)
+#else
+  #define __Pyx_Py_IsTrue(ob) __Pyx_Py_Is((ob), Py_True)
+#endif
+#if PY_VERSION_HEX >= 0x030A00B1 || defined(Py_IsFalse)
+  #define __Pyx_Py_IsFalse(ob) Py_IsFalse(ob)
+#else
+  #define __Pyx_Py_IsFalse(ob) __Pyx_Py_Is((ob), Py_False)
+#endif
+#define __Pyx_NoneAsNull(obj)  (__Pyx_Py_IsNone(obj) ? NULL : (obj))
+#if PY_VERSION_HEX >= 0x030900F0 && !CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyObject_GC_IsFinalized(o) PyObject_GC_IsFinalized(o)
+#else
+  #define __Pyx_PyObject_GC_IsFinalized(o) _PyGC_FINALIZED(o)
+#endif
+#ifndef CO_COROUTINE
+  #define CO_COROUTINE 0x80
+#endif
+#ifndef CO_ASYNC_GENERATOR
+  #define CO_ASYNC_GENERATOR 0x200
 #endif
 #ifndef Py_TPFLAGS_CHECKTYPES
   #define Py_TPFLAGS_CHECKTYPES 0
@@ -349,6 +749,12 @@ END: Cython Metadata */
 #ifndef Py_TPFLAGS_HAVE_FINALIZE
   #define Py_TPFLAGS_HAVE_FINALIZE 0
 #endif
+#ifndef Py_TPFLAGS_SEQUENCE
+  #define Py_TPFLAGS_SEQUENCE 0
+#endif
+#ifndef Py_TPFLAGS_MAPPING
+  #define Py_TPFLAGS_MAPPING 0
+#endif
 #ifndef METH_STACKLESS
   #define METH_STACKLESS 0
 #endif
@@ -360,34 +766,89 @@ END: Cython Metadata */
   typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args,
                                                           Py_ssize_t nargs, PyObject *kwnames);
 #else
-  #define __Pyx_PyCFunctionFast _PyCFunctionFast
-  #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords
+  #if PY_VERSION_HEX >= 0x030d00A4
+  #  define __Pyx_PyCFunctionFast PyCFunctionFast
+  #  define __Pyx_PyCFunctionFastWithKeywords PyCFunctionFastWithKeywords
+  #else
+  #  define __Pyx_PyCFunctionFast _PyCFunctionFast
+  #  define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords
+  #endif
+#endif
+#if CYTHON_METH_FASTCALL
+  #define __Pyx_METH_FASTCALL METH_FASTCALL
+  #define __Pyx_PyCFunction_FastCall __Pyx_PyCFunctionFast
+  #define __Pyx_PyCFunction_FastCallWithKeywords __Pyx_PyCFunctionFastWithKeywords
+#else
+  #define __Pyx_METH_FASTCALL METH_VARARGS
+  #define __Pyx_PyCFunction_FastCall PyCFunction
+  #define __Pyx_PyCFunction_FastCallWithKeywords PyCFunctionWithKeywords
+#endif
+#if CYTHON_VECTORCALL
+  #define __pyx_vectorcallfunc vectorcallfunc
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  PY_VECTORCALL_ARGUMENTS_OFFSET
+  #define __Pyx_PyVectorcall_NARGS(n)  PyVectorcall_NARGS((size_t)(n))
+#elif CYTHON_BACKPORT_VECTORCALL
+  typedef PyObject *(*__pyx_vectorcallfunc)(PyObject *callable, PyObject *const *args,
+                                            size_t nargsf, PyObject *kwnames);
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  ((size_t)1 << (8 * sizeof(size_t) - 1))
+  #define __Pyx_PyVectorcall_NARGS(n)  ((Py_ssize_t)(((size_t)(n)) & ~__Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET))
+#else
+  #define __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET  0
+  #define __Pyx_PyVectorcall_NARGS(n)  ((Py_ssize_t)(n))
+#endif
+#if PY_MAJOR_VERSION >= 0x030900B1
+#define __Pyx_PyCFunction_CheckExact(func)  PyCFunction_CheckExact(func)
+#else
+#define __Pyx_PyCFunction_CheckExact(func)  PyCFunction_Check(func)
+#endif
+#define __Pyx_CyOrPyCFunction_Check(func)  PyCFunction_Check(func)
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_CyOrPyCFunction_GET_FUNCTION(func)  (((PyCFunctionObject*)(func))->m_ml->ml_meth)
+#elif !CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_CyOrPyCFunction_GET_FUNCTION(func)  PyCFunction_GET_FUNCTION(func)
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_CyOrPyCFunction_GET_FLAGS(func)  (((PyCFunctionObject*)(func))->m_ml->ml_flags)
+static CYTHON_INLINE PyObject* __Pyx_CyOrPyCFunction_GET_SELF(PyObject *func) {
+    return (__Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_STATIC) ? NULL : ((PyCFunctionObject*)func)->m_self;
+}
+#endif
+static CYTHON_INLINE int __Pyx__IsSameCFunction(PyObject *func, void *cfunc) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    return PyCFunction_Check(func) && PyCFunction_GetFunction(func) == (PyCFunction) cfunc;
+#else
+    return PyCFunction_Check(func) && PyCFunction_GET_FUNCTION(func) == (PyCFunction) cfunc;
 #endif
-#if CYTHON_FAST_PYCCALL
-#define __Pyx_PyFastCFunction_Check(func)\
-    ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS)))))
+}
+#define __Pyx_IsSameCFunction(func, cfunc)   __Pyx__IsSameCFunction(func, cfunc)
+#if __PYX_LIMITED_VERSION_HEX < 0x030900B1
+  #define __Pyx_PyType_FromModuleAndSpec(m, s, b)  ((void)m, PyType_FromSpecWithBases(s, b))
+  typedef PyObject *(*__Pyx_PyCMethod)(PyObject *, PyTypeObject *, PyObject *const *, size_t, PyObject *);
 #else
-#define __Pyx_PyFastCFunction_Check(func) 0
+  #define __Pyx_PyType_FromModuleAndSpec(m, s, b)  PyType_FromModuleAndSpec(m, s, b)
+  #define __Pyx_PyCMethod  PyCMethod
+#endif
+#ifndef METH_METHOD
+  #define METH_METHOD 0x200
 #endif
 #if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc)
   #define PyObject_Malloc(s)   PyMem_Malloc(s)
   #define PyObject_Free(p)     PyMem_Free(p)
   #define PyObject_Realloc(p)  PyMem_Realloc(p)
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1
-  #define PyMem_RawMalloc(n)           PyMem_Malloc(n)
-  #define PyMem_RawRealloc(p, n)       PyMem_Realloc(p, n)
-  #define PyMem_RawFree(p)             PyMem_Free(p)
-#endif
-#if CYTHON_COMPILING_IN_PYSTON
-  #define __Pyx_PyCode_HasFreeVars(co)  PyCode_HasFreeVars(co)
-  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno)
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)
 #else
   #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
   #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
 #endif
-#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyThreadState_Current PyThreadState_Get()
+#elif !CYTHON_FAST_THREAD_STATE
   #define __Pyx_PyThreadState_Current PyThreadState_GET()
+#elif PY_VERSION_HEX >= 0x030d00A1
+  #define __Pyx_PyThreadState_Current PyThreadState_GetUnchecked()
 #elif PY_VERSION_HEX >= 0x03060000
   #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet()
 #elif PY_VERSION_HEX >= 0x03000000
@@ -395,6 +856,22 @@ END: Cython Metadata */
 #else
   #define __Pyx_PyThreadState_Current _PyThreadState_Current
 #endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+static CYTHON_INLINE void *__Pyx_PyModule_GetState(PyObject *op)
+{
+    void *result;
+    result = PyModule_GetState(op);
+    if (!result)
+        Py_FatalError("Couldn't find the module state");
+    return result;
+}
+#endif
+#define __Pyx_PyObject_GetSlot(obj, name, func_ctype)  __Pyx_PyType_GetSlot(Py_TYPE(obj), name, func_ctype)
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_PyType_GetSlot(type, name, func_ctype)  ((func_ctype) PyType_GetSlot((type), Py_##name))
+#else
+  #define __Pyx_PyType_GetSlot(type, name, func_ctype)  ((type)->name)
+#endif
 #if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT)
 #include "pythread.h"
 #define Py_tss_NEEDS_INIT 0
@@ -425,7 +902,29 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   return PyThread_get_key_value(*key);
 }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized)
+#if PY_MAJOR_VERSION < 3
+    #if CYTHON_COMPILING_IN_PYPY
+        #if PYPY_VERSION_NUM < 0x07030600
+            #if defined(__cplusplus) && __cplusplus >= 201402L
+                [[deprecated("`with nogil:` inside a nogil function will not release the GIL in PyPy2 < 7.3.6")]]
+            #elif defined(__GNUC__) || defined(__clang__)
+                __attribute__ ((__deprecated__("`with nogil:` inside a nogil function will not release the GIL in PyPy2 < 7.3.6")))
+            #elif defined(_MSC_VER)
+                __declspec(deprecated("`with nogil:` inside a nogil function will not release the GIL in PyPy2 < 7.3.6"))
+            #endif
+            static CYTHON_INLINE int PyGILState_Check(void) {
+                return 0;
+            }
+        #else  // PYPY_VERSION_NUM < 0x07030600
+        #endif  // PYPY_VERSION_NUM < 0x07030600
+    #else
+        static CYTHON_INLINE int PyGILState_Check(void) {
+            PyThreadState * tstate = _PyThreadState_Current;
+            return tstate && (tstate == PyGILState_GetThisThreadState());
+        }
+    #endif
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030d0000 || defined(_PyDict_NewPresized)
 #define __Pyx_PyDict_NewPresized(n)  ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n))
 #else
 #define __Pyx_PyDict_NewPresized(n)  PyDict_New()
@@ -437,34 +936,91 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
   #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS
-#define __Pyx_PyDict_GetItemStr(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX > 0x030600B4 && PY_VERSION_HEX < 0x030d0000 && CYTHON_USE_UNICODE_INTERNALS
+#define __Pyx_PyDict_GetItemStrWithError(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
+static CYTHON_INLINE PyObject * __Pyx_PyDict_GetItemStr(PyObject *dict, PyObject *name) {
+    PyObject *res = __Pyx_PyDict_GetItemStrWithError(dict, name);
+    if (res == NULL) PyErr_Clear();
+    return res;
+}
+#elif PY_MAJOR_VERSION >= 3 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07020000)
+#define __Pyx_PyDict_GetItemStrWithError  PyDict_GetItemWithError
+#define __Pyx_PyDict_GetItemStr           PyDict_GetItem
+#else
+static CYTHON_INLINE PyObject * __Pyx_PyDict_GetItemStrWithError(PyObject *dict, PyObject *name) {
+#if CYTHON_COMPILING_IN_PYPY
+    return PyDict_GetItem(dict, name);
+#else
+    PyDictEntry *ep;
+    PyDictObject *mp = (PyDictObject*) dict;
+    long hash = ((PyStringObject *) name)->ob_shash;
+    assert(hash != -1);
+    ep = (mp->ma_lookup)(mp, name, hash);
+    if (ep == NULL) {
+        return NULL;
+    }
+    return ep->me_value;
+#endif
+}
+#define __Pyx_PyDict_GetItemStr           PyDict_GetItem
+#endif
+#if CYTHON_USE_TYPE_SLOTS
+  #define __Pyx_PyType_GetFlags(tp)   (((PyTypeObject *)tp)->tp_flags)
+  #define __Pyx_PyType_HasFeature(type, feature)  ((__Pyx_PyType_GetFlags(type) & (feature)) != 0)
+  #define __Pyx_PyObject_GetIterNextFunc(obj)  (Py_TYPE(obj)->tp_iternext)
+#else
+  #define __Pyx_PyType_GetFlags(tp)   (PyType_GetFlags((PyTypeObject *)tp))
+  #define __Pyx_PyType_HasFeature(type, feature)  PyType_HasFeature(type, feature)
+  #define __Pyx_PyObject_GetIterNextFunc(obj)  PyIter_Next
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_SetItemOnTypeDict(tp, k, v) PyObject_GenericSetAttr((PyObject*)tp, k, v)
+#else
+  #define __Pyx_SetItemOnTypeDict(tp, k, v) PyDict_SetItem(tp->tp_dict, k, v)
+#endif
+#if CYTHON_USE_TYPE_SPECS && PY_VERSION_HEX >= 0x03080000
+#define __Pyx_PyHeapTypeObject_GC_Del(obj)  {\
+    PyTypeObject *type = Py_TYPE((PyObject*)obj);\
+    assert(__Pyx_PyType_HasFeature(type, Py_TPFLAGS_HEAPTYPE));\
+    PyObject_GC_Del(obj);\
+    Py_DECREF(type);\
+}
 #else
-#define __Pyx_PyDict_GetItemStr(dict, name)  PyDict_GetItem(dict, name)
+#define __Pyx_PyHeapTypeObject_GC_Del(obj)  PyObject_GC_Del(obj)
 #endif
-#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
+#if CYTHON_COMPILING_IN_LIMITED_API
   #define CYTHON_PEP393_ENABLED 1
-  #if defined(PyUnicode_IS_READY)
-  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
-                                              0 : _PyUnicode_Ready((PyObject *)(op)))
-  #else
   #define __Pyx_PyUnicode_READY(op)       (0)
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GetLength(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_ReadChar(u, i)
+  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((void)u, 1114111U)
+  #define __Pyx_PyUnicode_KIND(u)         ((void)u, (0))
+  #define __Pyx_PyUnicode_DATA(u)         ((void*)u)
+  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)k, PyUnicode_ReadChar((PyObject*)(d), i))
+  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GetLength(u))
+#elif PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
+  #define CYTHON_PEP393_ENABLED 1
+  #if PY_VERSION_HEX >= 0x030C0000
+    #define __Pyx_PyUnicode_READY(op)       (0)
+  #else
+    #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
+                                                0 : _PyUnicode_Ready((PyObject *)(op)))
   #endif
   #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
   #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
-  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
+  #define __Pyx_PyUnicode_KIND(u)         ((int)PyUnicode_KIND(u))
   #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
   #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
-  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, ch)
-  #if defined(PyUnicode_IS_READY) && defined(PyUnicode_GET_SIZE)
-  #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03090000
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : ((PyCompactUnicodeObject *)(u))->wstr_length))
-  #else
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
-  #endif
+  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, (Py_UCS4) ch)
+  #if PY_VERSION_HEX >= 0x030C0000
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_LENGTH(u))
   #else
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_LENGTH(u))
+    #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03090000
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : ((PyCompactUnicodeObject *)(u))->wstr_length))
+    #else
+    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
+    #endif
   #endif
 #else
   #define CYTHON_PEP393_ENABLED 0
@@ -474,11 +1030,11 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_PyUnicode_READY(op)       (0)
   #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
-  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111)
-  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
+  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535U : 1114111U)
+  #define __Pyx_PyUnicode_KIND(u)         ((int)sizeof(Py_UNICODE))
   #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
   #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
-  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = ch)
+  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = (Py_UNICODE) ch)
   #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_SIZE(u))
 #endif
 #if CYTHON_COMPILING_IN_PYPY
@@ -489,14 +1045,20 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\
       PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
 #endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains)
-  #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check)
-  #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format)
-  #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
+#if CYTHON_COMPILING_IN_PYPY
+  #if !defined(PyUnicode_DecodeUnicodeEscape)
+    #define PyUnicode_DecodeUnicodeEscape(s, size, errors)  PyUnicode_Decode(s, size, "unicode_escape", errors)
+  #endif
+  #if !defined(PyUnicode_Contains) || (PY_MAJOR_VERSION == 2 && PYPY_VERSION_NUM < 0x07030500)
+    #undef PyUnicode_Contains
+    #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
+  #endif
+  #if !defined(PyByteArray_Check)
+    #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
+  #endif
+  #if !defined(PyObject_Format)
+    #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
+  #endif
 #endif
 #define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
 #define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
@@ -525,9 +1087,15 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
   #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
 #endif
-#ifndef PySet_CheckExact
-  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
-#endif
+#if CYTHON_COMPILING_IN_CPYTHON
+  #define __Pyx_PySequence_ListKeepNew(obj)\
+    (likely(PyList_CheckExact(obj) && Py_REFCNT(obj) == 1) ? __Pyx_NewRef(obj) : PySequence_List(obj))
+#else
+  #define __Pyx_PySequence_ListKeepNew(obj)  PySequence_List(obj)
+#endif
+#ifndef PySet_CheckExact
+  #define PySet_CheckExact(obj)        __Pyx_IS_TYPE(obj, &PySet_Type)
+#endif
 #if PY_VERSION_HEX >= 0x030900A4
   #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt)
   #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size)
@@ -536,15 +1104,42 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size)
 #endif
 #if CYTHON_ASSUME_SAFE_MACROS
+  #define __Pyx_PySequence_ITEM(o, i) PySequence_ITEM(o, i)
   #define __Pyx_PySequence_SIZE(seq)  Py_SIZE(seq)
+  #define __Pyx_PyTuple_SET_ITEM(o, i, v) (PyTuple_SET_ITEM(o, i, v), (0))
+  #define __Pyx_PyList_SET_ITEM(o, i, v) (PyList_SET_ITEM(o, i, v), (0))
+  #define __Pyx_PyTuple_GET_SIZE(o) PyTuple_GET_SIZE(o)
+  #define __Pyx_PyList_GET_SIZE(o) PyList_GET_SIZE(o)
+  #define __Pyx_PySet_GET_SIZE(o) PySet_GET_SIZE(o)
+  #define __Pyx_PyBytes_GET_SIZE(o) PyBytes_GET_SIZE(o)
+  #define __Pyx_PyByteArray_GET_SIZE(o) PyByteArray_GET_SIZE(o)
 #else
+  #define __Pyx_PySequence_ITEM(o, i) PySequence_GetItem(o, i)
   #define __Pyx_PySequence_SIZE(seq)  PySequence_Size(seq)
+  #define __Pyx_PyTuple_SET_ITEM(o, i, v) PyTuple_SetItem(o, i, v)
+  #define __Pyx_PyList_SET_ITEM(o, i, v) PyList_SetItem(o, i, v)
+  #define __Pyx_PyTuple_GET_SIZE(o) PyTuple_Size(o)
+  #define __Pyx_PyList_GET_SIZE(o) PyList_Size(o)
+  #define __Pyx_PySet_GET_SIZE(o) PySet_Size(o)
+  #define __Pyx_PyBytes_GET_SIZE(o) PyBytes_Size(o)
+  #define __Pyx_PyByteArray_GET_SIZE(o) PyByteArray_Size(o)
+#endif
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d00A1
+  #define __Pyx_PyImport_AddModuleRef(name) PyImport_AddModuleRef(name)
+#else
+  static CYTHON_INLINE PyObject *__Pyx_PyImport_AddModuleRef(const char *name) {
+      PyObject *module = PyImport_AddModule(name);
+      Py_XINCREF(module);
+      return module;
+  }
 #endif
 #if PY_MAJOR_VERSION >= 3
   #define PyIntObject                  PyLongObject
   #define PyInt_Type                   PyLong_Type
   #define PyInt_Check(op)              PyLong_Check(op)
   #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
+  #define __Pyx_Py3Int_Check(op)       PyLong_Check(op)
+  #define __Pyx_Py3Int_CheckExact(op)  PyLong_CheckExact(op)
   #define PyInt_FromString             PyLong_FromString
   #define PyInt_FromUnicode            PyLong_FromUnicode
   #define PyInt_FromLong               PyLong_FromLong
@@ -556,6 +1151,9 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
   #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
   #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
   #define PyNumber_Int                 PyNumber_Long
+#else
+  #define __Pyx_Py3Int_Check(op)       (PyLong_Check(op) || PyInt_Check(op))
+  #define __Pyx_Py3Int_CheckExact(op)  (PyLong_CheckExact(op) || PyInt_CheckExact(op))
 #endif
 #if PY_MAJOR_VERSION >= 3
   #define PyBoolObject                 PyLongObject
@@ -568,15 +1166,10 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
 #if PY_VERSION_HEX < 0x030200A4
   typedef long Py_hash_t;
   #define __Pyx_PyInt_FromHash_t PyInt_FromLong
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
+  #define __Pyx_PyInt_AsHash_t   __Pyx_PyIndex_AsHash_t
 #else
   #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func))
-#else
-  #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
+  #define __Pyx_PyInt_AsHash_t   __Pyx_PyIndex_AsSsize_t
 #endif
 #if CYTHON_USE_ASYNC_SLOTS
   #if PY_VERSION_HEX >= 0x030500B1
@@ -596,8 +1189,10 @@ static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
     } __Pyx_PyAsyncMethodsStruct;
 #endif
 
-#if defined(WIN32) || defined(MS_WINDOWS)
-  #define _USE_MATH_DEFINES
+#if defined(_WIN32) || defined(WIN32) || defined(MS_WINDOWS)
+  #if !defined(_USE_MATH_DEFINES)
+    #define _USE_MATH_DEFINES
+  #endif
 #endif
 #include <math.h>
 #ifdef NAN
@@ -616,11 +1211,20 @@ static CYTHON_INLINE float __PYX_NAN() {
 #endif
 
 #define __PYX_MARK_ERR_POS(f_index, lineno) \
-    { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; }
+    { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__;  (void)__pyx_clineno; }
 #define __PYX_ERR(f_index, lineno, Ln_error) \
     { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; }
 
-#ifndef __PYX_EXTERN_C
+#ifdef CYTHON_EXTERN_C
+    #undef __PYX_EXTERN_C
+    #define __PYX_EXTERN_C CYTHON_EXTERN_C
+#elif defined(__PYX_EXTERN_C)
+    #ifdef _MSC_VER
+    #pragma message ("Please do not define the '__PYX_EXTERN_C' macro externally. Use 'CYTHON_EXTERN_C' instead.")
+    #else
+    #warning Please do not define the '__PYX_EXTERN_C' macro externally. Use 'CYTHON_EXTERN_C' instead.
+    #endif
+#else
   #ifdef __cplusplus
     #define __PYX_EXTERN_C extern "C"
   #else
@@ -634,8 +1238,6 @@ static CYTHON_INLINE float __PYX_NAN() {
 #include "pythread.h"
 #include <string.h>
 #include <stdlib.h>
-#include <stdio.h>
-#include "pystate.h"
 #ifdef _OPENMP
 #include <omp.h>
 #endif /* _OPENMP */
@@ -684,9 +1286,10 @@ static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) {
 #else
     #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
 #endif
+static CYTHON_INLINE Py_ssize_t __Pyx_ssize_strlen(const char *s);
 static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*);
 static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
-#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
+static CYTHON_INLINE PyObject* __Pyx_PyByteArray_FromString(const char*);
 #define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
 #define __Pyx_PyBytes_FromString        PyBytes_FromString
 #define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
@@ -704,9 +1307,9 @@ static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
 #define __Pyx_PyBytes_AsString(s)     ((const char*) PyBytes_AS_STRING(s))
 #define __Pyx_PyBytes_AsSString(s)    ((const signed char*) PyBytes_AS_STRING(s))
 #define __Pyx_PyBytes_AsUString(s)    ((const unsigned char*) PyBytes_AS_STRING(s))
-#define __Pyx_PyObject_AsWritableString(s)    ((char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableString(s)    ((char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*)(__pyx_uintptr_t) __Pyx_PyObject_AsString(s))
 #define __Pyx_PyObject_AsSString(s)    ((const signed char*) __Pyx_PyObject_AsString(s))
 #define __Pyx_PyObject_AsUString(s)    ((const unsigned char*) __Pyx_PyObject_AsString(s))
 #define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
@@ -714,13 +1317,7 @@ static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
 #define __Pyx_PyByteArray_FromCString(s)   __Pyx_PyByteArray_FromString((const char*)s)
 #define __Pyx_PyStr_FromCString(s)     __Pyx_PyStr_FromString((const char*)s)
 #define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
-static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) {
-    const Py_UNICODE *u_end = u;
-    while (*u_end++) ;
-    return (size_t)(u_end - u - 1);
-}
-#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
-#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
+#define __Pyx_PyUnicode_FromOrdinal(o)       PyUnicode_FromOrdinal((int)o)
 #define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
 #define __Pyx_NewRef(obj) (Py_INCREF(obj), obj)
 #define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None)
@@ -732,6 +1329,7 @@ static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x);
     (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj))
 static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
 static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
+static CYTHON_INLINE Py_hash_t __Pyx_PyIndex_AsHash_t(PyObject*);
 #if CYTHON_ASSUME_SAFE_MACROS
 #define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
 #else
@@ -743,8 +1341,54 @@ static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
 #else
 #define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x))
 #endif
-#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x))
+#if CYTHON_USE_PYLONG_INTERNALS
+  #if PY_VERSION_HEX >= 0x030C00A7
+  #ifndef _PyLong_SIGN_MASK
+    #define _PyLong_SIGN_MASK 3
+  #endif
+  #ifndef _PyLong_NON_SIZE_BITS
+    #define _PyLong_NON_SIZE_BITS 3
+  #endif
+  #define __Pyx_PyLong_Sign(x)  (((PyLongObject*)x)->long_value.lv_tag & _PyLong_SIGN_MASK)
+  #define __Pyx_PyLong_IsNeg(x)  ((__Pyx_PyLong_Sign(x) & 2) != 0)
+  #define __Pyx_PyLong_IsNonNeg(x)  (!__Pyx_PyLong_IsNeg(x))
+  #define __Pyx_PyLong_IsZero(x)  (__Pyx_PyLong_Sign(x) & 1)
+  #define __Pyx_PyLong_IsPos(x)  (__Pyx_PyLong_Sign(x) == 0)
+  #define __Pyx_PyLong_CompactValueUnsigned(x)  (__Pyx_PyLong_Digits(x)[0])
+  #define __Pyx_PyLong_DigitCount(x)  ((Py_ssize_t) (((PyLongObject*)x)->long_value.lv_tag >> _PyLong_NON_SIZE_BITS))
+  #define __Pyx_PyLong_SignedDigitCount(x)\
+        ((1 - (Py_ssize_t) __Pyx_PyLong_Sign(x)) * __Pyx_PyLong_DigitCount(x))
+  #if defined(PyUnstable_Long_IsCompact) && defined(PyUnstable_Long_CompactValue)
+    #define __Pyx_PyLong_IsCompact(x)     PyUnstable_Long_IsCompact((PyLongObject*) x)
+    #define __Pyx_PyLong_CompactValue(x)  PyUnstable_Long_CompactValue((PyLongObject*) x)
+  #else
+    #define __Pyx_PyLong_IsCompact(x)     (((PyLongObject*)x)->long_value.lv_tag < (2 << _PyLong_NON_SIZE_BITS))
+    #define __Pyx_PyLong_CompactValue(x)  ((1 - (Py_ssize_t) __Pyx_PyLong_Sign(x)) * (Py_ssize_t) __Pyx_PyLong_Digits(x)[0])
+  #endif
+  typedef Py_ssize_t  __Pyx_compact_pylong;
+  typedef size_t  __Pyx_compact_upylong;
+  #else
+  #define __Pyx_PyLong_IsNeg(x)  (Py_SIZE(x) < 0)
+  #define __Pyx_PyLong_IsNonNeg(x)  (Py_SIZE(x) >= 0)
+  #define __Pyx_PyLong_IsZero(x)  (Py_SIZE(x) == 0)
+  #define __Pyx_PyLong_IsPos(x)  (Py_SIZE(x) > 0)
+  #define __Pyx_PyLong_CompactValueUnsigned(x)  ((Py_SIZE(x) == 0) ? 0 : __Pyx_PyLong_Digits(x)[0])
+  #define __Pyx_PyLong_DigitCount(x)  __Pyx_sst_abs(Py_SIZE(x))
+  #define __Pyx_PyLong_SignedDigitCount(x)  Py_SIZE(x)
+  #define __Pyx_PyLong_IsCompact(x)  (Py_SIZE(x) == 0 || Py_SIZE(x) == 1 || Py_SIZE(x) == -1)
+  #define __Pyx_PyLong_CompactValue(x)\
+        ((Py_SIZE(x) == 0) ? (sdigit) 0 : ((Py_SIZE(x) < 0) ? -(sdigit)__Pyx_PyLong_Digits(x)[0] : (sdigit)__Pyx_PyLong_Digits(x)[0]))
+  typedef sdigit  __Pyx_compact_pylong;
+  typedef digit  __Pyx_compact_upylong;
+  #endif
+  #if PY_VERSION_HEX >= 0x030C00A5
+  #define __Pyx_PyLong_Digits(x)  (((PyLongObject*)x)->long_value.ob_digit)
+  #else
+  #define __Pyx_PyLong_Digits(x)  (((PyLongObject*)x)->ob_digit)
+  #endif
+#endif
 #if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+#include <string.h>
 static int __Pyx_sys_getdefaultencoding_not_ascii;
 static int __Pyx_init_sys_getdefaultencoding_params(void) {
     PyObject* sys;
@@ -765,7 +1409,7 @@ static int __Pyx_init_sys_getdefaultencoding_params(void) {
         char ascii_chars[128];
         int c;
         for (c = 0; c < 128; c++) {
-            ascii_chars[c] = c;
+            ascii_chars[c] = (char) c;
         }
         __Pyx_sys_getdefaultencoding_not_ascii = 1;
         ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
@@ -795,6 +1439,7 @@ bad:
 #else
 #define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
 #if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
+#include <string.h>
 static char* __PYX_DEFAULT_STRING_ENCODING;
 static int __Pyx_init_sys_getdefaultencoding_params(void) {
     PyObject* sys;
@@ -830,83 +1475,21 @@ bad:
 #endif /* __GNUC__ */
 static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; }
 
+#if !CYTHON_USE_MODULE_STATE
 static PyObject *__pyx_m = NULL;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_cython_runtime = NULL;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static PyObject *__pyx_empty_unicode;
+#endif
 static int __pyx_lineno;
 static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
+static const char * __pyx_cfilenm = __FILE__;
 static const char *__pyx_filename;
 
+/* #### Code section: filename_table ### */
 
 static const char *__pyx_f[] = {
   "fastXPCS/cython/welford.pyx",
-  "stringsource",
+  "<stringsource>",
 };
-/* MemviewSliceStruct.proto */
-struct __pyx_memoryview_obj;
-typedef struct {
-  struct __pyx_memoryview_obj *memview;
-  char *data;
-  Py_ssize_t shape[8];
-  Py_ssize_t strides[8];
-  Py_ssize_t suboffsets[8];
-} __Pyx_memviewslice;
-#define __Pyx_MemoryView_Len(m)  (m.shape[0])
-
-/* Atomics.proto */
-#include <pythread.h>
-#ifndef CYTHON_ATOMICS
-    #define CYTHON_ATOMICS 1
-#endif
-#define __pyx_atomic_int_type int
-#if CYTHON_ATOMICS && __GNUC__ >= 4 && (__GNUC_MINOR__ > 1 ||\
-                    (__GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL >= 2)) &&\
-                    !defined(__i386__)
-    #define __pyx_atomic_incr_aligned(value, lock) __sync_fetch_and_add(value, 1)
-    #define __pyx_atomic_decr_aligned(value, lock) __sync_fetch_and_sub(value, 1)
-    #ifdef __PYX_DEBUG_ATOMICS
-        #warning "Using GNU atomics"
-    #endif
-#elif CYTHON_ATOMICS && defined(_MSC_VER) && 0
-    #include <Windows.h>
-    #undef __pyx_atomic_int_type
-    #define __pyx_atomic_int_type LONG
-    #define __pyx_atomic_incr_aligned(value, lock) InterlockedIncrement(value)
-    #define __pyx_atomic_decr_aligned(value, lock) InterlockedDecrement(value)
-    #ifdef __PYX_DEBUG_ATOMICS
-        #pragma message ("Using MSVC atomics")
-    #endif
-#elif CYTHON_ATOMICS && (defined(__ICC) || defined(__INTEL_COMPILER)) && 0
-    #define __pyx_atomic_incr_aligned(value, lock) _InterlockedIncrement(value)
-    #define __pyx_atomic_decr_aligned(value, lock) _InterlockedDecrement(value)
-    #ifdef __PYX_DEBUG_ATOMICS
-        #warning "Using Intel atomics"
-    #endif
-#else
-    #undef CYTHON_ATOMICS
-    #define CYTHON_ATOMICS 0
-    #ifdef __PYX_DEBUG_ATOMICS
-        #warning "Not using atomics"
-    #endif
-#endif
-typedef volatile __pyx_atomic_int_type __pyx_atomic_int;
-#if CYTHON_ATOMICS
-    #define __pyx_add_acquisition_count(memview)\
-             __pyx_atomic_incr_aligned(__pyx_get_slice_count_pointer(memview), memview->lock)
-    #define __pyx_sub_acquisition_count(memview)\
-            __pyx_atomic_decr_aligned(__pyx_get_slice_count_pointer(memview), memview->lock)
-#else
-    #define __pyx_add_acquisition_count(memview)\
-            __pyx_add_acquisition_count_locked(__pyx_get_slice_count_pointer(memview), memview->lock)
-    #define __pyx_sub_acquisition_count(memview)\
-            __pyx_sub_acquisition_count_locked(__pyx_get_slice_count_pointer(memview), memview->lock)
-#endif
-
+/* #### Code section: utility_code_proto_before_types ### */
 /* ForceInitThreads.proto */
 #ifndef __PYX_FORCE_INIT_THREADS
   #define __PYX_FORCE_INIT_THREADS 0
@@ -920,7 +1503,6 @@ typedef volatile __pyx_atomic_int_type __pyx_atomic_int;
 #define __Pyx_FastGilFuncInit()
 
 /* BufferFormatStructs.proto */
-#define IS_UNSIGNED(type) (((type) -1) > 0)
 struct __Pyx_StructField_;
 #define __PYX_BUF_FLAGS_PACKED_STRUCT (1 << 0)
 typedef struct {
@@ -955,6 +1537,103 @@ typedef struct {
   char is_valid_array;
 } __Pyx_BufFmt_Context;
 
+/* Atomics.proto */
+#include <pythread.h>
+#ifndef CYTHON_ATOMICS
+    #define CYTHON_ATOMICS 1
+#endif
+#define __PYX_CYTHON_ATOMICS_ENABLED() CYTHON_ATOMICS
+#define __pyx_atomic_int_type int
+#define __pyx_nonatomic_int_type int
+#if CYTHON_ATOMICS && (defined(__STDC_VERSION__) &&\
+                        (__STDC_VERSION__ >= 201112L) &&\
+                        !defined(__STDC_NO_ATOMICS__))
+    #include <stdatomic.h>
+#elif CYTHON_ATOMICS && (defined(__cplusplus) && (\
+                    (__cplusplus >= 201103L) ||\
+                    (defined(_MSC_VER) && _MSC_VER >= 1700)))
+    #include <atomic>
+#endif
+#if CYTHON_ATOMICS && (defined(__STDC_VERSION__) &&\
+                        (__STDC_VERSION__ >= 201112L) &&\
+                        !defined(__STDC_NO_ATOMICS__) &&\
+                       ATOMIC_INT_LOCK_FREE == 2)
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type atomic_int
+    #define __pyx_atomic_incr_aligned(value) atomic_fetch_add_explicit(value, 1, memory_order_relaxed)
+    #define __pyx_atomic_decr_aligned(value) atomic_fetch_sub_explicit(value, 1, memory_order_acq_rel)
+    #if defined(__PYX_DEBUG_ATOMICS) && defined(_MSC_VER)
+        #pragma message ("Using standard C atomics")
+    #elif defined(__PYX_DEBUG_ATOMICS)
+        #warning "Using standard C atomics"
+    #endif
+#elif CYTHON_ATOMICS && (defined(__cplusplus) && (\
+                    (__cplusplus >= 201103L) ||\
+\
+                    (defined(_MSC_VER) && _MSC_VER >= 1700)) &&\
+                    ATOMIC_INT_LOCK_FREE == 2)
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type std::atomic_int
+    #define __pyx_atomic_incr_aligned(value) std::atomic_fetch_add_explicit(value, 1, std::memory_order_relaxed)
+    #define __pyx_atomic_decr_aligned(value) std::atomic_fetch_sub_explicit(value, 1, std::memory_order_acq_rel)
+    #if defined(__PYX_DEBUG_ATOMICS) && defined(_MSC_VER)
+        #pragma message ("Using standard C++ atomics")
+    #elif defined(__PYX_DEBUG_ATOMICS)
+        #warning "Using standard C++ atomics"
+    #endif
+#elif CYTHON_ATOMICS && (__GNUC__ >= 5 || (__GNUC__ == 4 &&\
+                    (__GNUC_MINOR__ > 1 ||\
+                    (__GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ >= 2))))
+    #define __pyx_atomic_incr_aligned(value) __sync_fetch_and_add(value, 1)
+    #define __pyx_atomic_decr_aligned(value) __sync_fetch_and_sub(value, 1)
+    #ifdef __PYX_DEBUG_ATOMICS
+        #warning "Using GNU atomics"
+    #endif
+#elif CYTHON_ATOMICS && defined(_MSC_VER)
+    #include <intrin.h>
+    #undef __pyx_atomic_int_type
+    #define __pyx_atomic_int_type long
+    #undef __pyx_nonatomic_int_type
+    #define __pyx_nonatomic_int_type long
+    #pragma intrinsic (_InterlockedExchangeAdd)
+    #define __pyx_atomic_incr_aligned(value) _InterlockedExchangeAdd(value, 1)
+    #define __pyx_atomic_decr_aligned(value) _InterlockedExchangeAdd(value, -1)
+    #ifdef __PYX_DEBUG_ATOMICS
+        #pragma message ("Using MSVC atomics")
+    #endif
+#else
+    #undef CYTHON_ATOMICS
+    #define CYTHON_ATOMICS 0
+    #ifdef __PYX_DEBUG_ATOMICS
+        #warning "Not using atomics"
+    #endif
+#endif
+#if CYTHON_ATOMICS
+    #define __pyx_add_acquisition_count(memview)\
+             __pyx_atomic_incr_aligned(__pyx_get_slice_count_pointer(memview))
+    #define __pyx_sub_acquisition_count(memview)\
+            __pyx_atomic_decr_aligned(__pyx_get_slice_count_pointer(memview))
+#else
+    #define __pyx_add_acquisition_count(memview)\
+            __pyx_add_acquisition_count_locked(__pyx_get_slice_count_pointer(memview), memview->lock)
+    #define __pyx_sub_acquisition_count(memview)\
+            __pyx_sub_acquisition_count_locked(__pyx_get_slice_count_pointer(memview), memview->lock)
+#endif
+
+/* MemviewSliceStruct.proto */
+struct __pyx_memoryview_obj;
+typedef struct {
+  struct __pyx_memoryview_obj *memview;
+  char *data;
+  Py_ssize_t shape[8];
+  Py_ssize_t strides[8];
+  Py_ssize_t suboffsets[8];
+} __Pyx_memviewslice;
+#define __Pyx_MemoryView_Len(m)  (m.shape[0])
+
+/* #### Code section: numeric_typedefs ### */
+/* #### Code section: complex_type_declarations ### */
+/* #### Code section: type_declarations ### */
 
 /*--- Type declarations ---*/
 struct __pyx_array_obj;
@@ -962,8 +1641,8 @@ struct __pyx_MemviewEnum_obj;
 struct __pyx_memoryview_obj;
 struct __pyx_memoryviewslice_obj;
 
-/* "View.MemoryView":105
- * 
+/* "View.MemoryView":114
+ * @cython.collection_type("sequence")
  * @cname("__pyx_array")
  * cdef class array:             # <<<<<<<<<<<<<<
  * 
@@ -987,7 +1666,7 @@ struct __pyx_array_obj {
 };
 
 
-/* "View.MemoryView":279
+/* "View.MemoryView":302
  * 
  * @cname('__pyx_MemviewEnum')
  * cdef class Enum(object):             # <<<<<<<<<<<<<<
@@ -1000,10 +1679,10 @@ struct __pyx_MemviewEnum_obj {
 };
 
 
-/* "View.MemoryView":330
+/* "View.MemoryView":337
  * 
  * @cname('__pyx_memoryview')
- * cdef class memoryview(object):             # <<<<<<<<<<<<<<
+ * cdef class memoryview:             # <<<<<<<<<<<<<<
  * 
  *     cdef object obj
  */
@@ -1014,8 +1693,7 @@ struct __pyx_memoryview_obj {
   PyObject *_size;
   PyObject *_array_interface;
   PyThread_type_lock lock;
-  __pyx_atomic_int acquisition_count[2];
-  __pyx_atomic_int *acquisition_count_aligned_p;
+  __pyx_atomic_int_type acquisition_count;
   Py_buffer view;
   int flags;
   int dtype_is_object;
@@ -1023,8 +1701,8 @@ struct __pyx_memoryview_obj {
 };
 
 
-/* "View.MemoryView":965
- * 
+/* "View.MemoryView":952
+ * @cython.collection_type("sequence")
  * @cname('__pyx_memoryviewslice')
  * cdef class _memoryviewslice(memoryview):             # <<<<<<<<<<<<<<
  *     "Internal class for passing memoryview slices to Python"
@@ -1040,8 +1718,8 @@ struct __pyx_memoryviewslice_obj {
 
 
 
-/* "View.MemoryView":105
- * 
+/* "View.MemoryView":114
+ * @cython.collection_type("sequence")
  * @cname("__pyx_array")
  * cdef class array:             # <<<<<<<<<<<<<<
  * 
@@ -1054,10 +1732,10 @@ struct __pyx_vtabstruct_array {
 static struct __pyx_vtabstruct_array *__pyx_vtabptr_array;
 
 
-/* "View.MemoryView":330
+/* "View.MemoryView":337
  * 
  * @cname('__pyx_memoryview')
- * cdef class memoryview(object):             # <<<<<<<<<<<<<<
+ * cdef class memoryview:             # <<<<<<<<<<<<<<
  * 
  *     cdef object obj
  */
@@ -1070,12 +1748,13 @@ struct __pyx_vtabstruct_memoryview {
   PyObject *(*setitem_indexed)(struct __pyx_memoryview_obj *, PyObject *, PyObject *);
   PyObject *(*convert_item_to_object)(struct __pyx_memoryview_obj *, char *);
   PyObject *(*assign_item_from_object)(struct __pyx_memoryview_obj *, char *, PyObject *);
+  PyObject *(*_get_base)(struct __pyx_memoryview_obj *);
 };
 static struct __pyx_vtabstruct_memoryview *__pyx_vtabptr_memoryview;
 
 
-/* "View.MemoryView":965
- * 
+/* "View.MemoryView":952
+ * @cython.collection_type("sequence")
  * @cname('__pyx_memoryviewslice')
  * cdef class _memoryviewslice(memoryview):             # <<<<<<<<<<<<<<
  *     "Internal class for passing memoryview slices to Python"
@@ -1086,6 +1765,7 @@ struct __pyx_vtabstruct__memoryviewslice {
   struct __pyx_vtabstruct_memoryview __pyx_base;
 };
 static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
+/* #### Code section: utility_code_proto ### */
 
 /* --- Runtime support code (head) --- */
 /* Refnanny.proto */
@@ -1094,11 +1774,11 @@ static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
 #endif
 #if CYTHON_REFNANNY
   typedef struct {
-    void (*INCREF)(void*, PyObject*, int);
-    void (*DECREF)(void*, PyObject*, int);
-    void (*GOTREF)(void*, PyObject*, int);
-    void (*GIVEREF)(void*, PyObject*, int);
-    void* (*SetupContext)(const char*, int, const char*);
+    void (*INCREF)(void*, PyObject*, Py_ssize_t);
+    void (*DECREF)(void*, PyObject*, Py_ssize_t);
+    void (*GOTREF)(void*, PyObject*, Py_ssize_t);
+    void (*GIVEREF)(void*, PyObject*, Py_ssize_t);
+    void* (*SetupContext)(const char*, Py_ssize_t, const char*);
     void (*FinishContext)(void**);
   } __Pyx_RefNannyAPIStruct;
   static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL;
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   #define __Pyx_RefNannySetupContext(name, acquire_gil)\
           if (acquire_gil) {\
               PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
-              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), (__LINE__), (__FILE__));\
               PyGILState_Release(__pyx_gilstate_save);\
           } else {\
-              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), (__LINE__), (__FILE__));\
+          }
+  #define __Pyx_RefNannyFinishContextNogil() {\
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
+              __Pyx_RefNannyFinishContext();\
+              PyGILState_Release(__pyx_gilstate_save);\
           }
 #else
   #define __Pyx_RefNannySetupContext(name, acquire_gil)\
-          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__)
+          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), (__LINE__), (__FILE__))
+  #define __Pyx_RefNannyFinishContextNogil() __Pyx_RefNannyFinishContext()
 #endif
+  #define __Pyx_RefNannyFinishContextNogil() {\
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
+              __Pyx_RefNannyFinishContext();\
+              PyGILState_Release(__pyx_gilstate_save);\
+          }
   #define __Pyx_RefNannyFinishContext()\
           __Pyx_RefNanny->FinishContext(&__pyx_refnanny)
-  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
-  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
-  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
-  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
-  #define __Pyx_XINCREF(r)  do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0)
-  #define __Pyx_XDECREF(r)  do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0)
-  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
-  #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0)
+  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), (__LINE__))
+  #define __Pyx_XINCREF(r)  do { if((r) == NULL); else {__Pyx_INCREF(r); }} while(0)
+  #define __Pyx_XDECREF(r)  do { if((r) == NULL); else {__Pyx_DECREF(r); }} while(0)
+  #define __Pyx_XGOTREF(r)  do { if((r) == NULL); else {__Pyx_GOTREF(r); }} while(0)
+  #define __Pyx_XGIVEREF(r) do { if((r) == NULL); else {__Pyx_GIVEREF(r);}} while(0)
 #else
   #define __Pyx_RefNannyDeclarations
   #define __Pyx_RefNannySetupContext(name, acquire_gil)
+  #define __Pyx_RefNannyFinishContextNogil()
   #define __Pyx_RefNannyFinishContext()
   #define __Pyx_INCREF(r) Py_INCREF(r)
   #define __Pyx_DECREF(r) Py_DECREF(r)
@@ -1140,6 +1832,10 @@ static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
   #define __Pyx_XGOTREF(r)
   #define __Pyx_XGIVEREF(r)
 #endif
+#define __Pyx_Py_XDECREF_SET(r, v) do {\
+        PyObject *tmp = (PyObject *) r;\
+        r = v; Py_XDECREF(tmp);\
+    } while (0)
 #define __Pyx_XDECREF_SET(r, v) do {\
         PyObject *tmp = (PyObject *) r;\
         r = v; __Pyx_XDECREF(tmp);\
@@ -1151,76 +1847,30 @@ static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
 #define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
 #define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
 
-/* PyObjectGetAttrStr.proto */
-#if CYTHON_USE_TYPE_SLOTS
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name);
-#else
-#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
-#endif
-
-/* GetBuiltinName.proto */
-static PyObject *__Pyx_GetBuiltinName(PyObject *name);
-
-/* RaiseArgTupleInvalid.proto */
-static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
-    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);
-
-/* RaiseDoubleKeywords.proto */
-static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
-
-/* ParseKeywords.proto */
-static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\
-    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\
-    const char* function_name);
-
-/* MemviewSliceInit.proto */
-#define __Pyx_BUF_MAX_NDIMS %(BUF_MAX_NDIMS)d
-#define __Pyx_MEMVIEW_DIRECT   1
-#define __Pyx_MEMVIEW_PTR      2
-#define __Pyx_MEMVIEW_FULL     4
-#define __Pyx_MEMVIEW_CONTIG   8
-#define __Pyx_MEMVIEW_STRIDED  16
-#define __Pyx_MEMVIEW_FOLLOW   32
-#define __Pyx_IS_C_CONTIG 1
-#define __Pyx_IS_F_CONTIG 2
-static int __Pyx_init_memviewslice(
-                struct __pyx_memoryview_obj *memview,
-                int ndim,
-                __Pyx_memviewslice *memviewslice,
-                int memview_is_new_reference);
-static CYTHON_INLINE int __pyx_add_acquisition_count_locked(
-    __pyx_atomic_int *acquisition_count, PyThread_type_lock lock);
-static CYTHON_INLINE int __pyx_sub_acquisition_count_locked(
-    __pyx_atomic_int *acquisition_count, PyThread_type_lock lock);
-#define __pyx_get_slice_count_pointer(memview) (memview->acquisition_count_aligned_p)
-#define __pyx_get_slice_count(memview) (*__pyx_get_slice_count_pointer(memview))
-#define __PYX_INC_MEMVIEW(slice, have_gil) __Pyx_INC_MEMVIEW(slice, have_gil, __LINE__)
-#define __PYX_XDEC_MEMVIEW(slice, have_gil) __Pyx_XDEC_MEMVIEW(slice, have_gil, __LINE__)
-static CYTHON_INLINE void __Pyx_INC_MEMVIEW(__Pyx_memviewslice *, int, int);
-static CYTHON_INLINE void __Pyx_XDEC_MEMVIEW(__Pyx_memviewslice *, int, int);
-
-/* ArgTypeTest.proto */
-#define __Pyx_ArgTypeTest(obj, type, none_allowed, name, exact)\
-    ((likely((Py_TYPE(obj) == type) | (none_allowed && (obj == Py_None)))) ? 1 :\
-        __Pyx__ArgTypeTest(obj, type, name, exact))
-static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact);
-
-/* PyObjectCall.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
+/* PyErrExceptionMatches.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err)
+static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err);
 #else
-#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
+#define __Pyx_PyErr_ExceptionMatches(err)  PyErr_ExceptionMatches(err)
 #endif
 
 /* PyThreadStateGet.proto */
 #if CYTHON_FAST_THREAD_STATE
 #define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
 #define __Pyx_PyThreadState_assign  __pyx_tstate = __Pyx_PyThreadState_Current;
-#define __Pyx_PyErr_Occurred()  __pyx_tstate->curexc_type
+#if PY_VERSION_HEX >= 0x030C00A6
+#define __Pyx_PyErr_Occurred()  (__pyx_tstate->current_exception != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  (__pyx_tstate->current_exception ? (PyObject*) Py_TYPE(__pyx_tstate->current_exception) : (PyObject*) NULL)
+#else
+#define __Pyx_PyErr_Occurred()  (__pyx_tstate->curexc_type != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  (__pyx_tstate->curexc_type)
+#endif
 #else
 #define __Pyx_PyThreadState_declare
 #define __Pyx_PyThreadState_assign
-#define __Pyx_PyErr_Occurred()  PyErr_Occurred()
+#define __Pyx_PyErr_Occurred()  (PyErr_Occurred() != NULL)
+#define __Pyx_PyErr_CurrentExceptionType()  PyErr_Occurred()
 #endif
 
 /* PyErrFetchRestore.proto */
@@ -1232,7 +1882,7 @@ static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg
 #define __Pyx_ErrFetch(type, value, tb)    __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb)
 static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
 static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A6
 #define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL))
 #else
 #define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
@@ -1248,30 +1898,129 @@ static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject
 #define __Pyx_ErrFetch(type, value, tb)  PyErr_Fetch(type, value, tb)
 #endif
 
-/* RaiseException.proto */
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
+/* PyObjectGetAttrStr.proto */
+#if CYTHON_USE_TYPE_SLOTS
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name);
+#else
+#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
+#endif
+
+/* PyObjectGetAttrStrNoError.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name);
+
+/* GetBuiltinName.proto */
+static PyObject *__Pyx_GetBuiltinName(PyObject *name);
+
+/* TupleAndListFromArray.proto */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyList_FromArray(PyObject *const *src, Py_ssize_t n);
+static CYTHON_INLINE PyObject* __Pyx_PyTuple_FromArray(PyObject *const *src, Py_ssize_t n);
+#endif
+
+/* IncludeStringH.proto */
+#include <string.h>
 
-/* PyCFunctionFastCall.proto */
-#if CYTHON_FAST_PYCCALL
-static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs);
+/* BytesEquals.proto */
+static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals);
+
+/* UnicodeEquals.proto */
+static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals);
+
+/* fastcall.proto */
+#if CYTHON_AVOID_BORROWED_REFS
+    #define __Pyx_Arg_VARARGS(args, i) PySequence_GetItem(args, i)
+#elif CYTHON_ASSUME_SAFE_MACROS
+    #define __Pyx_Arg_VARARGS(args, i) PyTuple_GET_ITEM(args, i)
+#else
+    #define __Pyx_Arg_VARARGS(args, i) PyTuple_GetItem(args, i)
+#endif
+#if CYTHON_AVOID_BORROWED_REFS
+    #define __Pyx_Arg_NewRef_VARARGS(arg) __Pyx_NewRef(arg)
+    #define __Pyx_Arg_XDECREF_VARARGS(arg) Py_XDECREF(arg)
 #else
-#define __Pyx_PyCFunction_FastCall(func, args, nargs)  (assert(0), NULL)
+    #define __Pyx_Arg_NewRef_VARARGS(arg) arg
+    #define __Pyx_Arg_XDECREF_VARARGS(arg)
 #endif
+#define __Pyx_NumKwargs_VARARGS(kwds) PyDict_Size(kwds)
+#define __Pyx_KwValues_VARARGS(args, nargs) NULL
+#define __Pyx_GetKwValue_VARARGS(kw, kwvalues, s) __Pyx_PyDict_GetItemStrWithError(kw, s)
+#define __Pyx_KwargsAsDict_VARARGS(kw, kwvalues) PyDict_Copy(kw)
+#if CYTHON_METH_FASTCALL
+    #define __Pyx_Arg_FASTCALL(args, i) args[i]
+    #define __Pyx_NumKwargs_FASTCALL(kwds) PyTuple_GET_SIZE(kwds)
+    #define __Pyx_KwValues_FASTCALL(args, nargs) ((args) + (nargs))
+    static CYTHON_INLINE PyObject * __Pyx_GetKwValue_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues, PyObject *s);
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000
+    CYTHON_UNUSED static PyObject *__Pyx_KwargsAsDict_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues);
+  #else
+    #define __Pyx_KwargsAsDict_FASTCALL(kw, kwvalues) _PyStack_AsDict(kwvalues, kw)
+  #endif
+    #define __Pyx_Arg_NewRef_FASTCALL(arg) arg  /* no-op, __Pyx_Arg_FASTCALL is direct and this needs
+                                                   to have the same reference counting */
+    #define __Pyx_Arg_XDECREF_FASTCALL(arg)
+#else
+    #define __Pyx_Arg_FASTCALL __Pyx_Arg_VARARGS
+    #define __Pyx_NumKwargs_FASTCALL __Pyx_NumKwargs_VARARGS
+    #define __Pyx_KwValues_FASTCALL __Pyx_KwValues_VARARGS
+    #define __Pyx_GetKwValue_FASTCALL __Pyx_GetKwValue_VARARGS
+    #define __Pyx_KwargsAsDict_FASTCALL __Pyx_KwargsAsDict_VARARGS
+    #define __Pyx_Arg_NewRef_FASTCALL(arg) __Pyx_Arg_NewRef_VARARGS(arg)
+    #define __Pyx_Arg_XDECREF_FASTCALL(arg) __Pyx_Arg_XDECREF_VARARGS(arg)
+#endif
+#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+#define __Pyx_ArgsSlice_VARARGS(args, start, stop) __Pyx_PyTuple_FromArray(&__Pyx_Arg_VARARGS(args, start), stop - start)
+#define __Pyx_ArgsSlice_FASTCALL(args, start, stop) __Pyx_PyTuple_FromArray(&__Pyx_Arg_FASTCALL(args, start), stop - start)
+#else
+#define __Pyx_ArgsSlice_VARARGS(args, start, stop) PyTuple_GetSlice(args, start, stop)
+#define __Pyx_ArgsSlice_FASTCALL(args, start, stop) PyTuple_GetSlice(args, start, stop)
+#endif
+
+/* RaiseArgTupleInvalid.proto */
+static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
+    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);
+
+/* RaiseDoubleKeywords.proto */
+static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
+
+/* ParseKeywords.proto */
+static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject *const *kwvalues,
+    PyObject **argnames[],
+    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,
+    const char* function_name);
+
+/* ArgTypeTest.proto */
+#define __Pyx_ArgTypeTest(obj, type, none_allowed, name, exact)\
+    ((likely(__Pyx_IS_TYPE(obj, type) | (none_allowed && (obj == Py_None)))) ? 1 :\
+        __Pyx__ArgTypeTest(obj, type, name, exact))
+static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact);
+
+/* RaiseException.proto */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
 
 /* PyFunctionFastCall.proto */
 #if CYTHON_FAST_PYCALL
+#if !CYTHON_VECTORCALL
 #define __Pyx_PyFunction_FastCall(func, args, nargs)\
     __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL)
-#if 1 || PY_VERSION_HEX < 0x030600B1
 static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs);
-#else
-#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs)
 #endif
 #define __Pyx_BUILD_ASSERT_EXPR(cond)\
     (sizeof(char [1 - 2*!(cond)]) - 1)
 #ifndef Py_MEMBER_SIZE
 #define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member)
 #endif
+#if !CYTHON_VECTORCALL
+#if PY_VERSION_HEX >= 0x03080000
+  #include "frameobject.h"
+#if PY_VERSION_HEX >= 0x030b00a6 && !CYTHON_COMPILING_IN_LIMITED_API
+  #ifndef Py_BUILD_CORE
+    #define Py_BUILD_CORE 1
+  #endif
+  #include "internal/pycore_frame.h"
+#endif
+  #define __Pxy_PyFrame_Initialize_Offsets()
+  #define __Pyx_PyFrame_GetLocalsplus(frame)  ((frame)->f_localsplus)
+#else
   static size_t __pyx_pyframe_localsplus_offset = 0;
   #include "frameobject.h"
   #define __Pxy_PyFrame_Initialize_Offsets()\
@@ -1280,26 +2029,46 @@ static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args,
   #define __Pyx_PyFrame_GetLocalsplus(frame)\
     (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset))
 #endif
+#endif
+#endif
 
-/* PyObjectCall2Args.proto */
-static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2);
+/* PyObjectCall.proto */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
+#else
+#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
+#endif
 
 /* PyObjectCallMethO.proto */
 #if CYTHON_COMPILING_IN_CPYTHON
 static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
 #endif
 
-/* PyObjectCallOneArg.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
+/* PyObjectFastCall.proto */
+#define __Pyx_PyObject_FastCall(func, args, nargs)  __Pyx_PyObject_FastCallDict(func, args, (size_t)(nargs), NULL)
+static CYTHON_INLINE PyObject* __Pyx_PyObject_FastCallDict(PyObject *func, PyObject **args, size_t nargs, PyObject *kwargs);
 
-/* IncludeStringH.proto */
-#include <string.h>
+/* RaiseUnexpectedTypeError.proto */
+static int __Pyx_RaiseUnexpectedTypeError(const char *expected, PyObject *obj);
 
-/* BytesEquals.proto */
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals);
+/* GCCDiagnostics.proto */
+#if !defined(__INTEL_COMPILER) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+#define __Pyx_HAS_GCC_DIAGNOSTIC
+#endif
 
-/* UnicodeEquals.proto */
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals);
+/* BuildPyUnicode.proto */
+static PyObject* __Pyx_PyUnicode_BuildFromAscii(Py_ssize_t ulength, char* chars, int clength,
+                                                int prepend_sign, char padding_char);
+
+/* CIntToPyUnicode.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_int(int value, Py_ssize_t width, char padding_char, char format_char);
+
+/* CIntToPyUnicode.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_Py_ssize_t(Py_ssize_t value, Py_ssize_t width, char padding_char, char format_char);
+
+/* JoinPyUnicode.proto */
+static PyObject* __Pyx_PyUnicode_Join(PyObject* value_tuple, Py_ssize_t value_count, Py_ssize_t result_ulength,
+                                      Py_UCS4 max_char);
 
 /* StrEquals.proto */
 #if PY_MAJOR_VERSION >= 3
@@ -1308,14 +2077,29 @@ static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int
 #define __Pyx_PyString_Equals __Pyx_PyBytes_Equals
 #endif
 
-/* None.proto */
-static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t, Py_ssize_t);
-
-/* UnaryNegOverflows.proto */
-#define UNARY_NEG_WOULD_OVERFLOW(x)\
-        (((x) < 0) & ((unsigned long)(x) == 0-(unsigned long)(x)))
+/* PyObjectFormatSimple.proto */
+#if CYTHON_COMPILING_IN_PYPY
+    #define __Pyx_PyObject_FormatSimple(s, f) (\
+        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
+        PyObject_Format(s, f))
+#elif PY_MAJOR_VERSION < 3
+    #define __Pyx_PyObject_FormatSimple(s, f) (\
+        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
+        likely(PyString_CheckExact(s)) ? PyUnicode_FromEncodedObject(s, NULL, "strict") :\
+        PyObject_Format(s, f))
+#elif CYTHON_USE_TYPE_SLOTS
+    #define __Pyx_PyObject_FormatSimple(s, f) (\
+        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
+        likely(PyLong_CheckExact(s)) ? PyLong_Type.tp_repr(s) :\
+        likely(PyFloat_CheckExact(s)) ? PyFloat_Type.tp_repr(s) :\
+        PyObject_Format(s, f))
+#else
+    #define __Pyx_PyObject_FormatSimple(s, f) (\
+        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
+        PyObject_Format(s, f))
+#endif
 
-static CYTHON_UNUSED int __pyx_array_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
+CYTHON_UNUSED static int __pyx_array_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
 static PyObject *__pyx_array_get_memview(struct __pyx_array_obj *); /*proto*/
 /* GetAttr.proto */
 static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *);
@@ -1342,40 +2126,25 @@ static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j);
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
                                                      int is_list, int wraparound, int boundscheck);
 
+/* PyObjectCallOneArg.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
+
 /* ObjectGetItem.proto */
 #if CYTHON_USE_TYPE_SLOTS
-static CYTHON_INLINE PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key);
+static CYTHON_INLINE PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject *key);
 #else
 #define __Pyx_PyObject_GetItem(obj, key)  PyObject_GetItem(obj, key)
 #endif
 
-/* decode_c_string_utf16.proto */
-static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16(const char *s, Py_ssize_t size, const char *errors) {
-    int byteorder = 0;
-    return PyUnicode_DecodeUTF16(s, size, errors, &byteorder);
-}
-static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16LE(const char *s, Py_ssize_t size, const char *errors) {
-    int byteorder = -1;
-    return PyUnicode_DecodeUTF16(s, size, errors, &byteorder);
-}
-static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16BE(const char *s, Py_ssize_t size, const char *errors) {
-    int byteorder = 1;
-    return PyUnicode_DecodeUTF16(s, size, errors, &byteorder);
-}
+/* KeywordStringCheck.proto */
+static int __Pyx_CheckKeywordStrings(PyObject *kw, const char* function_name, int kw_allowed);
 
-/* decode_c_string.proto */
-static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
-         const char* cstring, Py_ssize_t start, Py_ssize_t stop,
-         const char* encoding, const char* errors,
-         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors));
+/* DivInt[Py_ssize_t].proto */
+static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t, Py_ssize_t);
 
-/* PyErrExceptionMatches.proto */
-#if CYTHON_FAST_THREAD_STATE
-#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err)
-static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err);
-#else
-#define __Pyx_PyErr_ExceptionMatches(err)  PyErr_ExceptionMatches(err)
-#endif
+/* UnaryNegOverflows.proto */
+#define __Pyx_UNARY_NEG_WOULD_OVERFLOW(x)\
+        (((x) < 0) & ((unsigned long)(x) == 0-(unsigned long)(x)))
 
 /* GetAttr3.proto */
 static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *, PyObject *, PyObject *);
@@ -1408,18 +2177,18 @@ static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UIN
 
 /* GetModuleGlobalName.proto */
 #if CYTHON_USE_DICT_VERSIONS
-#define __Pyx_GetModuleGlobalName(var, name)  {\
+#define __Pyx_GetModuleGlobalName(var, name)  do {\
     static PY_UINT64_T __pyx_dict_version = 0;\
     static PyObject *__pyx_dict_cached_value = NULL;\
     (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\
         (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\
         __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
-}
-#define __Pyx_GetModuleGlobalNameUncached(var, name)  {\
+} while(0)
+#define __Pyx_GetModuleGlobalNameUncached(var, name)  do {\
     PY_UINT64_T __pyx_dict_version;\
     PyObject *__pyx_dict_cached_value;\
     (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
-}
+} while(0)
 static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value);
 #else
 #define __Pyx_GetModuleGlobalName(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
@@ -1427,6 +2196,37 @@ static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_ve
 static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name);
 #endif
 
+/* AssertionsEnabled.proto */
+#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
+  #define __Pyx_init_assertions_enabled()  (0)
+  #define __pyx_assertions_enabled()  (1)
+#elif CYTHON_COMPILING_IN_LIMITED_API  ||  (CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030C0000)
+  static int __pyx_assertions_enabled_flag;
+  #define __pyx_assertions_enabled() (__pyx_assertions_enabled_flag)
+  static int __Pyx_init_assertions_enabled(void) {
+    PyObject *builtins, *debug, *debug_str;
+    int flag;
+    builtins = PyEval_GetBuiltins();
+    if (!builtins) goto bad;
+    debug_str = PyUnicode_FromStringAndSize("__debug__", 9);
+    if (!debug_str) goto bad;
+    debug = PyObject_GetItem(builtins, debug_str);
+    Py_DECREF(debug_str);
+    if (!debug) goto bad;
+    flag = PyObject_IsTrue(debug);
+    Py_DECREF(debug);
+    if (flag == -1) goto bad;
+    __pyx_assertions_enabled_flag = flag;
+    return 0;
+  bad:
+    __pyx_assertions_enabled_flag = 1;
+    return -1;
+  }
+#else
+  #define __Pyx_init_assertions_enabled()  (0)
+  #define __pyx_assertions_enabled()  (!Py_OptimizeFlag)
+#endif
+
 /* RaiseTooManyValuesToUnpack.proto */
 static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
 
@@ -1440,7 +2240,7 @@ static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
 static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type);
 
 /* GetTopmostException.proto */
-#if CYTHON_USE_EXC_INFO_STACK
+#if CYTHON_USE_EXC_INFO_STACK && CYTHON_FAST_THREAD_STATE
 static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate);
 #endif
 
@@ -1474,20 +2274,30 @@ static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value,
 /* Import.proto */
 static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);
 
+/* ImportDottedModule.proto */
+static PyObject *__Pyx_ImportDottedModule(PyObject *name, PyObject *parts_tuple);
+#if PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx_ImportDottedModule_WalkParts(PyObject *module, PyObject *name, PyObject *parts_tuple);
+#endif
+
 /* FastTypeChecks.proto */
 #if CYTHON_COMPILING_IN_CPYTHON
 #define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type)
+#define __Pyx_TypeCheck2(obj, type1, type2) __Pyx_IsAnySubtype2(Py_TYPE(obj), (PyTypeObject *)type1, (PyTypeObject *)type2)
 static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b);
+static CYTHON_INLINE int __Pyx_IsAnySubtype2(PyTypeObject *cls, PyTypeObject *a, PyTypeObject *b);
 static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type);
 static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2);
 #else
 #define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
+#define __Pyx_TypeCheck2(obj, type1, type2) (PyObject_TypeCheck(obj, (PyTypeObject *)type1) || PyObject_TypeCheck(obj, (PyTypeObject *)type2))
 #define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type)
 #define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2))
 #endif
+#define __Pyx_PyErr_ExceptionMatches2(err1, err2)  __Pyx_PyErr_GivenExceptionMatches2(__Pyx_PyErr_CurrentExceptionType(), err1, err2)
 #define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)
 
-static CYTHON_UNUSED int __pyx_memoryview_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
+CYTHON_UNUSED static int __pyx_memoryview_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
 /* ListCompAppend.proto */
 #if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
 static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) {
@@ -1495,7 +2305,11 @@ static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) {
     Py_ssize_t len = Py_SIZE(list);
     if (likely(L->allocated > len)) {
         Py_INCREF(x);
+        #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000
+        L->ob_item[len] = x;
+        #else
         PyList_SET_ITEM(list, len, x);
+        #endif
         __Pyx_SET_SIZE(list, len + 1);
         return 0;
     }
@@ -1505,55 +2319,41 @@ static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) {
 #define __Pyx_ListComp_Append(L,x) PyList_Append(L,x)
 #endif
 
-/* PyIntBinop.proto */
-#if !CYTHON_COMPILING_IN_PYPY
-static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check);
-#else
-#define __Pyx_PyInt_AddObjC(op1, op2, intval, inplace, zerodivision_check)\
-    (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2))
-#endif
-
-/* ListExtend.proto */
-static CYTHON_INLINE int __Pyx_PyList_Extend(PyObject* L, PyObject* v) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject* none = _PyList_Extend((PyListObject*)L, v);
-    if (unlikely(!none))
-        return -1;
-    Py_DECREF(none);
-    return 0;
-#else
-    return PyList_SetSlice(L, PY_SSIZE_T_MAX, PY_SSIZE_T_MAX, v);
-#endif
-}
-
-/* ListAppend.proto */
-#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
-static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
-    PyListObject* L = (PyListObject*) list;
-    Py_ssize_t len = Py_SIZE(list);
-    if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) {
-        Py_INCREF(x);
-        PyList_SET_ITEM(list, len, x);
-        __Pyx_SET_SIZE(list, len + 1);
-        return 0;
-    }
-    return PyList_Append(list, x);
-}
-#else
-#define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
-#endif
+/* PySequenceMultiply.proto */
+#define __Pyx_PySequence_Multiply_Left(mul, seq)  __Pyx_PySequence_Multiply(seq, mul)
+static CYTHON_INLINE PyObject* __Pyx_PySequence_Multiply(PyObject *seq, Py_ssize_t mul);
 
-/* None.proto */
+/* SetItemInt.proto */
+#define __Pyx_SetItemInt(o, i, v, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
+    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
+    __Pyx_SetItemInt_Fast(o, (Py_ssize_t)i, v, is_list, wraparound, boundscheck) :\
+    (is_list ? (PyErr_SetString(PyExc_IndexError, "list assignment index out of range"), -1) :\
+               __Pyx_SetItemInt_Generic(o, to_py_func(i), v)))
+static int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v);
+static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v,
+                                               int is_list, int wraparound, int boundscheck);
+
+/* RaiseUnboundLocalError.proto */
 static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
 
-/* None.proto */
+/* DivInt[long].proto */
 static CYTHON_INLINE long __Pyx_div_long(long, long);
 
+/* PySequenceContains.proto */
+static CYTHON_INLINE int __Pyx_PySequence_ContainsTF(PyObject* item, PyObject* seq, int eq) {
+    int result = PySequence_Contains(seq, item);
+    return unlikely(result < 0) ? result : (result == (eq == Py_EQ));
+}
+
 /* ImportFrom.proto */
 static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name);
 
 /* HasAttr.proto */
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d00A1
+#define __Pyx_HasAttr(o, n)  PyObject_HasAttrWithError(o, n)
+#else
 static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *);
+#endif
 
 /* PyObject_GenericGetAttrNoDict.proto */
 #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
@@ -1569,14 +2369,186 @@ static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_nam
 #define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr
 #endif
 
+/* IncludeStructmemberH.proto */
+#include <structmember.h>
+
+/* FixUpExtensionType.proto */
+#if CYTHON_USE_TYPE_SPECS
+static int __Pyx_fix_up_extension_type_from_spec(PyType_Spec *spec, PyTypeObject *type);
+#endif
+
+/* PyObjectCallNoArg.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
+
+/* PyObjectGetMethod.proto */
+static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method);
+
+/* PyObjectCallMethod0.proto */
+static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name);
+
+/* ValidateBasesTuple.proto */
+#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_USE_TYPE_SPECS
+static int __Pyx_validate_bases_tuple(const char *type_name, Py_ssize_t dictoffset, PyObject *bases);
+#endif
+
+/* PyType_Ready.proto */
+CYTHON_UNUSED static int __Pyx_PyType_Ready(PyTypeObject *t);
+
 /* SetVTable.proto */
-static int __Pyx_SetVtable(PyObject *dict, void *vtable);
+static int __Pyx_SetVtable(PyTypeObject* typeptr , void* vtable);
 
-/* PyObjectGetAttrStrNoError.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name);
+/* GetVTable.proto */
+static void* __Pyx_GetVtable(PyTypeObject *type);
+
+/* MergeVTables.proto */
+#if !CYTHON_COMPILING_IN_LIMITED_API
+static int __Pyx_MergeVtables(PyTypeObject *type);
+#endif
 
 /* SetupReduce.proto */
+#if !CYTHON_COMPILING_IN_LIMITED_API
 static int __Pyx_setup_reduce(PyObject* type_obj);
+#endif
+
+/* FetchSharedCythonModule.proto */
+static PyObject *__Pyx_FetchSharedCythonABIModule(void);
+
+/* FetchCommonType.proto */
+#if !CYTHON_USE_TYPE_SPECS
+static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type);
+#else
+static PyTypeObject* __Pyx_FetchCommonTypeFromSpec(PyObject *module, PyType_Spec *spec, PyObject *bases);
+#endif
+
+/* PyMethodNew.proto */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *__Pyx_PyMethod_New(PyObject *func, PyObject *self, PyObject *typ) {
+    PyObject *typesModule=NULL, *methodType=NULL, *result=NULL;
+    CYTHON_UNUSED_VAR(typ);
+    if (!self)
+        return __Pyx_NewRef(func);
+    typesModule = PyImport_ImportModule("types");
+    if (!typesModule) return NULL;
+    methodType = PyObject_GetAttrString(typesModule, "MethodType");
+    Py_DECREF(typesModule);
+    if (!methodType) return NULL;
+    result = PyObject_CallFunctionObjArgs(methodType, func, self, NULL);
+    Py_DECREF(methodType);
+    return result;
+}
+#elif PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx_PyMethod_New(PyObject *func, PyObject *self, PyObject *typ) {
+    CYTHON_UNUSED_VAR(typ);
+    if (!self)
+        return __Pyx_NewRef(func);
+    return PyMethod_New(func, self);
+}
+#else
+    #define __Pyx_PyMethod_New PyMethod_New
+#endif
+
+/* PyVectorcallFastCallDict.proto */
+#if CYTHON_METH_FASTCALL
+static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw);
+#endif
+
+/* CythonFunctionShared.proto */
+#define __Pyx_CyFunction_USED
+#define __Pyx_CYFUNCTION_STATICMETHOD  0x01
+#define __Pyx_CYFUNCTION_CLASSMETHOD   0x02
+#define __Pyx_CYFUNCTION_CCLASS        0x04
+#define __Pyx_CYFUNCTION_COROUTINE     0x08
+#define __Pyx_CyFunction_GetClosure(f)\
+    (((__pyx_CyFunctionObject *) (f))->func_closure)
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+  #define __Pyx_CyFunction_GetClassObj(f)\
+      (((__pyx_CyFunctionObject *) (f))->func_classobj)
+#else
+  #define __Pyx_CyFunction_GetClassObj(f)\
+      ((PyObject*) ((PyCMethodObject *) (f))->mm_class)
+#endif
+#define __Pyx_CyFunction_SetClassObj(f, classobj)\
+    __Pyx__CyFunction_SetClassObj((__pyx_CyFunctionObject *) (f), (classobj))
+#define __Pyx_CyFunction_Defaults(type, f)\
+    ((type *)(((__pyx_CyFunctionObject *) (f))->defaults))
+#define __Pyx_CyFunction_SetDefaultsGetter(f, g)\
+    ((__pyx_CyFunctionObject *) (f))->defaults_getter = (g)
+typedef struct {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject_HEAD
+    PyObject *func;
+#elif PY_VERSION_HEX < 0x030900B1
+    PyCFunctionObject func;
+#else
+    PyCMethodObject func;
+#endif
+#if CYTHON_BACKPORT_VECTORCALL
+    __pyx_vectorcallfunc func_vectorcall;
+#endif
+#if PY_VERSION_HEX < 0x030500A0 || CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *func_weakreflist;
+#endif
+    PyObject *func_dict;
+    PyObject *func_name;
+    PyObject *func_qualname;
+    PyObject *func_doc;
+    PyObject *func_globals;
+    PyObject *func_code;
+    PyObject *func_closure;
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *func_classobj;
+#endif
+    void *defaults;
+    int defaults_pyobjects;
+    size_t defaults_size;
+    int flags;
+    PyObject *defaults_tuple;
+    PyObject *defaults_kwdict;
+    PyObject *(*defaults_getter)(PyObject *);
+    PyObject *func_annotations;
+    PyObject *func_is_coroutine;
+} __pyx_CyFunctionObject;
+#undef __Pyx_CyOrPyCFunction_Check
+#define __Pyx_CyFunction_Check(obj)  __Pyx_TypeCheck(obj, __pyx_CyFunctionType)
+#define __Pyx_CyOrPyCFunction_Check(obj)  __Pyx_TypeCheck2(obj, __pyx_CyFunctionType, &PyCFunction_Type)
+#define __Pyx_CyFunction_CheckExact(obj)  __Pyx_IS_TYPE(obj, __pyx_CyFunctionType)
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void *cfunc);
+#undef __Pyx_IsSameCFunction
+#define __Pyx_IsSameCFunction(func, cfunc)   __Pyx__IsSameCyOrCFunction(func, cfunc)
+static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject* op, PyMethodDef *ml,
+                                      int flags, PyObject* qualname,
+                                      PyObject *closure,
+                                      PyObject *module, PyObject *globals,
+                                      PyObject* code);
+static CYTHON_INLINE void __Pyx__CyFunction_SetClassObj(__pyx_CyFunctionObject* f, PyObject* classobj);
+static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *m,
+                                                         size_t size,
+                                                         int pyobjects);
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *m,
+                                                            PyObject *tuple);
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *m,
+                                                             PyObject *dict);
+static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *m,
+                                                              PyObject *dict);
+static int __pyx_CyFunction_init(PyObject *module);
+#if CYTHON_METH_FASTCALL
+static PyObject * __Pyx_CyFunction_Vectorcall_NOARGS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_O(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames);
+#if CYTHON_BACKPORT_VECTORCALL
+#define __Pyx_CyFunction_func_vectorcall(f) (((__pyx_CyFunctionObject*)f)->func_vectorcall)
+#else
+#define __Pyx_CyFunction_func_vectorcall(f) (((PyCFunctionObject*)f)->vectorcall)
+#endif
+#endif
+
+/* CythonFunction.proto */
+static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml,
+                                      int flags, PyObject* qualname,
+                                      PyObject *closure,
+                                      PyObject *module, PyObject *globals,
+                                      PyObject* code);
 
 /* CLineInTraceback.proto */
 #ifdef CYTHON_CLINE_IN_TRACEBACK
@@ -1586,6 +2558,7 @@ static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line);
 #endif
 
 /* CodeObjectCache.proto */
+#if !CYTHON_COMPILING_IN_LIMITED_API
 typedef struct {
     PyCodeObject* code_object;
     int code_line;
@@ -1599,6 +2572,7 @@ static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
 static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
 static PyCodeObject *__pyx_find_code_object(int code_line);
 static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
+#endif
 
 /* AddTraceback.proto */
 static void __Pyx_AddTraceback(const char *funcname, int c_line,
@@ -1635,9 +2609,6 @@ static int __pyx_slices_overlap(__Pyx_memviewslice *slice1,
                                 __Pyx_memviewslice *slice2,
                                 int ndim, size_t itemsize);
 
-/* Capsule.proto */
-static CYTHON_INLINE PyObject *__pyx_capsule_create(void *p, const char *sig);
-
 /* IsLittleEndian.proto */
 static CYTHON_INLINE int __Pyx_Is_Little_Endian(void);
 
@@ -1664,11 +2635,6 @@ static int __Pyx_ValidateAndInit_memviewslice(
 /* ObjectToMemviewSlice.proto */
 static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_d_dc_float(PyObject *, int writable_flag);
 
-/* GCCDiagnostics.proto */
-#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
-#define __Pyx_HAS_GCC_DIAGNOSTIC
-#endif
-
 /* MemviewSliceCopyTemplate.proto */
 static __Pyx_memviewslice
 __pyx_memoryview_copy_new_contig(const __Pyx_memviewslice *from_mvs,
@@ -1676,6 +2642,31 @@ __pyx_memoryview_copy_new_contig(const __Pyx_memviewslice *from_mvs,
                                  size_t sizeof_dtype, int contig_flag,
                                  int dtype_is_object);
 
+/* MemviewSliceInit.proto */
+#define __Pyx_BUF_MAX_NDIMS %(BUF_MAX_NDIMS)d
+#define __Pyx_MEMVIEW_DIRECT   1
+#define __Pyx_MEMVIEW_PTR      2
+#define __Pyx_MEMVIEW_FULL     4
+#define __Pyx_MEMVIEW_CONTIG   8
+#define __Pyx_MEMVIEW_STRIDED  16
+#define __Pyx_MEMVIEW_FOLLOW   32
+#define __Pyx_IS_C_CONTIG 1
+#define __Pyx_IS_F_CONTIG 2
+static int __Pyx_init_memviewslice(
+                struct __pyx_memoryview_obj *memview,
+                int ndim,
+                __Pyx_memviewslice *memviewslice,
+                int memview_is_new_reference);
+static CYTHON_INLINE int __pyx_add_acquisition_count_locked(
+    __pyx_atomic_int_type *acquisition_count, PyThread_type_lock lock);
+static CYTHON_INLINE int __pyx_sub_acquisition_count_locked(
+    __pyx_atomic_int_type *acquisition_count, PyThread_type_lock lock);
+#define __pyx_get_slice_count_pointer(memview) (&memview->acquisition_count)
+#define __PYX_INC_MEMVIEW(slice, have_gil) __Pyx_INC_MEMVIEW(slice, have_gil, __LINE__)
+#define __PYX_XCLEAR_MEMVIEW(slice, have_gil) __Pyx_XCLEAR_MEMVIEW(slice, have_gil, __LINE__)
+static CYTHON_INLINE void __Pyx_INC_MEMVIEW(__Pyx_memviewslice *, int, int);
+static CYTHON_INLINE void __Pyx_XCLEAR_MEMVIEW(__Pyx_memviewslice *, int, int);
+
 /* CIntToPy.proto */
 static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);
 
@@ -1691,12 +2682,27 @@ static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
 /* CIntFromPy.proto */
 static CYTHON_INLINE char __Pyx_PyInt_As_char(PyObject *);
 
+/* FormatTypeName.proto */
+#if CYTHON_COMPILING_IN_LIMITED_API
+typedef PyObject *__Pyx_TypeName;
+#define __Pyx_FMT_TYPENAME "%U"
+static __Pyx_TypeName __Pyx_PyType_GetName(PyTypeObject* tp);
+#define __Pyx_DECREF_TypeName(obj) Py_XDECREF(obj)
+#else
+typedef const char *__Pyx_TypeName;
+#define __Pyx_FMT_TYPENAME "%.200s"
+#define __Pyx_PyType_GetName(tp) ((tp)->tp_name)
+#define __Pyx_DECREF_TypeName(obj)
+#endif
+
 /* CheckBinaryVersion.proto */
-static int __Pyx_check_binary_version(void);
+static unsigned long __Pyx_get_runtime_version(void);
+static int __Pyx_check_binary_version(unsigned long ct_version, unsigned long rt_version, int allow_newer);
 
 /* InitStrings.proto */
 static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);
 
+/* #### Code section: module_declarations ### */
 static PyObject *__pyx_array_get_memview(struct __pyx_array_obj *__pyx_v_self); /* proto*/
 static char *__pyx_memoryview_get_item_pointer(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_index); /* proto*/
 static PyObject *__pyx_memoryview_is_slice(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_obj); /* proto*/
@@ -1705,18 +2711,19 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
 static PyObject *__pyx_memoryview_setitem_indexed(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_index, PyObject *__pyx_v_value); /* proto*/
 static PyObject *__pyx_memoryview_convert_item_to_object(struct __pyx_memoryview_obj *__pyx_v_self, char *__pyx_v_itemp); /* proto*/
 static PyObject *__pyx_memoryview_assign_item_from_object(struct __pyx_memoryview_obj *__pyx_v_self, char *__pyx_v_itemp, PyObject *__pyx_v_value); /* proto*/
+static PyObject *__pyx_memoryview__get_base(struct __pyx_memoryview_obj *__pyx_v_self); /* proto*/
 static PyObject *__pyx_memoryviewslice_convert_item_to_object(struct __pyx_memoryviewslice_obj *__pyx_v_self, char *__pyx_v_itemp); /* proto*/
 static PyObject *__pyx_memoryviewslice_assign_item_from_object(struct __pyx_memoryviewslice_obj *__pyx_v_self, char *__pyx_v_itemp, PyObject *__pyx_v_value); /* proto*/
+static PyObject *__pyx_memoryviewslice__get_base(struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto*/
 
-/* Module declarations from 'cython.view' */
+/* Module declarations from "cython.view" */
 
-/* Module declarations from 'cython' */
+/* Module declarations from "cython.dataclasses" */
 
-/* Module declarations from 'welford' */
-static PyTypeObject *__pyx_array_type = 0;
-static PyTypeObject *__pyx_MemviewEnum_type = 0;
-static PyTypeObject *__pyx_memoryview_type = 0;
-static PyTypeObject *__pyx_memoryviewslice_type = 0;
+/* Module declarations from "cython" */
+
+/* Module declarations from "welford" */
+static PyObject *__pyx_collections_abc_Sequence = 0;
 static PyObject *generic = 0;
 static PyObject *strided = 0;
 static PyObject *indirect = 0;
@@ -1725,12 +2732,12 @@ static PyObject *indirect_contiguous = 0;
 static int __pyx_memoryview_thread_locks_used;
 static PyThread_type_lock __pyx_memoryview_thread_locks[8];
 static PyObject *__pyx_f_7welford__wf(float *, float *, float *, float *, int); /*proto*/
+static int __pyx_array_allocate_buffer(struct __pyx_array_obj *); /*proto*/
 static struct __pyx_array_obj *__pyx_array_new(PyObject *, Py_ssize_t, char *, char *, char *); /*proto*/
-static void *__pyx_align_pointer(void *, size_t); /*proto*/
 static PyObject *__pyx_memoryview_new(PyObject *, int, int, __Pyx_TypeInfo *); /*proto*/
 static CYTHON_INLINE int __pyx_memoryview_check(PyObject *); /*proto*/
 static PyObject *_unellipsify(PyObject *, int); /*proto*/
-static PyObject *assert_direct_dimensions(Py_ssize_t *, int); /*proto*/
+static int assert_direct_dimensions(Py_ssize_t *, int); /*proto*/
 static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_obj *, PyObject *); /*proto*/
 static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *, Py_ssize_t, Py_ssize_t, Py_ssize_t, int, int, int *, Py_ssize_t, Py_ssize_t, Py_ssize_t, int, int, int, int); /*proto*/
 static char *__pyx_pybuffer_index(Py_buffer *, char *, Py_ssize_t, Py_ssize_t); /*proto*/
@@ -1748,8 +2755,9 @@ static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *, int); /*
 static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *, Py_ssize_t *, Py_ssize_t, int, char); /*proto*/
 static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *, __Pyx_memviewslice *, char, int); /*proto*/
 static int __pyx_memoryview_err_extents(int, Py_ssize_t, Py_ssize_t); /*proto*/
-static int __pyx_memoryview_err_dim(PyObject *, char *, int); /*proto*/
-static int __pyx_memoryview_err(PyObject *, char *); /*proto*/
+static int __pyx_memoryview_err_dim(PyObject *, PyObject *, int); /*proto*/
+static int __pyx_memoryview_err(PyObject *, PyObject *); /*proto*/
+static int __pyx_memoryview_err_no_memory(void); /*proto*/
 static int __pyx_memoryview_copy_contents(__Pyx_memviewslice, __Pyx_memviewslice, int, int, int); /*proto*/
 static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *, int, int); /*proto*/
 static void __pyx_memoryview_refcount_copying(__Pyx_memviewslice *, int, int, int); /*proto*/
@@ -1758,27 +2766,44 @@ static void __pyx_memoryview_refcount_objects_in_slice(char *, Py_ssize_t *, Py_
 static void __pyx_memoryview_slice_assign_scalar(__Pyx_memviewslice *, int, size_t, void *, int); /*proto*/
 static void __pyx_memoryview__slice_assign_scalar(char *, Py_ssize_t *, Py_ssize_t *, int, size_t, void *); /*proto*/
 static PyObject *__pyx_unpickle_Enum__set_state(struct __pyx_MemviewEnum_obj *, PyObject *); /*proto*/
+/* #### Code section: typeinfo ### */
 static __Pyx_TypeInfo __Pyx_TypeInfo_float = { "float", NULL, sizeof(float), { 0 }, 0, 'R', 0, 0 };
+/* #### Code section: before_global_var ### */
 #define __Pyx_MODULE_NAME "welford"
 extern int __pyx_module_is_main_welford;
 int __pyx_module_is_main_welford = 0;
 
-/* Implementation of 'welford' */
+/* Implementation of "welford" */
+/* #### Code section: global_var ### */
 static PyObject *__pyx_builtin_range;
+static PyObject *__pyx_builtin___import__;
 static PyObject *__pyx_builtin_ValueError;
 static PyObject *__pyx_builtin_MemoryError;
 static PyObject *__pyx_builtin_enumerate;
 static PyObject *__pyx_builtin_TypeError;
+static PyObject *__pyx_builtin_AssertionError;
 static PyObject *__pyx_builtin_Ellipsis;
 static PyObject *__pyx_builtin_id;
 static PyObject *__pyx_builtin_IndexError;
+/* #### Code section: string_decls ### */
+static const char __pyx_k_[] = ": ";
 static const char __pyx_k_O[] = "O";
 static const char __pyx_k_c[] = "c";
 static const char __pyx_k_x[] = "x";
+static const char __pyx_k__2[] = ".";
+static const char __pyx_k__3[] = "*";
+static const char __pyx_k__6[] = "'";
+static const char __pyx_k__7[] = ")";
+static const char __pyx_k_gc[] = "gc";
 static const char __pyx_k_id[] = "id";
+static const char __pyx_k__22[] = "?";
+static const char __pyx_k_abc[] = "abc";
+static const char __pyx_k_and[] = " and ";
 static const char __pyx_k_avg[] = "avg";
+static const char __pyx_k_got[] = " (got ";
 static const char __pyx_k_new[] = "__new__";
 static const char __pyx_k_obj[] = "obj";
+static const char __pyx_k_sys[] = "sys";
 static const char __pyx_k_var[] = "var";
 static const char __pyx_k_base[] = "base";
 static const char __pyx_k_dict[] = "__dict__";
@@ -1788,17 +2813,21 @@ static const char __pyx_k_name[] = "name";
 static const char __pyx_k_ndim[] = "ndim";
 static const char __pyx_k_pack[] = "pack";
 static const char __pyx_k_size[] = "size";
+static const char __pyx_k_spec[] = "__spec__";
 static const char __pyx_k_step[] = "step";
 static const char __pyx_k_stop[] = "stop";
 static const char __pyx_k_test[] = "__test__";
 static const char __pyx_k_ASCII[] = "ASCII";
 static const char __pyx_k_alpha[] = "alpha";
 static const char __pyx_k_class[] = "__class__";
+static const char __pyx_k_count[] = "count";
 static const char __pyx_k_error[] = "error";
 static const char __pyx_k_flags[] = "flags";
+static const char __pyx_k_index[] = "index";
 static const char __pyx_k_range[] = "range";
 static const char __pyx_k_shape[] = "shape";
 static const char __pyx_k_start[] = "start";
+static const char __pyx_k_enable[] = "enable";
 static const char __pyx_k_encode[] = "encode";
 static const char __pyx_k_format[] = "format";
 static const char __pyx_k_import[] = "__import__";
@@ -1808,16 +2837,20 @@ static const char __pyx_k_reduce[] = "__reduce__";
 static const char __pyx_k_struct[] = "struct";
 static const char __pyx_k_unpack[] = "unpack";
 static const char __pyx_k_update[] = "update";
+static const char __pyx_k_disable[] = "disable";
 static const char __pyx_k_fortran[] = "fortran";
 static const char __pyx_k_memview[] = "memview";
 static const char __pyx_k_welford[] = "welford";
 static const char __pyx_k_Ellipsis[] = "Ellipsis";
+static const char __pyx_k_Sequence[] = "Sequence";
 static const char __pyx_k_getstate[] = "__getstate__";
 static const char __pyx_k_itemsize[] = "itemsize";
 static const char __pyx_k_pyx_type[] = "__pyx_type";
+static const char __pyx_k_register[] = "register";
 static const char __pyx_k_setstate[] = "__setstate__";
 static const char __pyx_k_TypeError[] = "TypeError";
 static const char __pyx_k_enumerate[] = "enumerate";
+static const char __pyx_k_isenabled[] = "isenabled";
 static const char __pyx_k_pyx_state[] = "__pyx_state";
 static const char __pyx_k_reduce_ex[] = "__reduce_ex__";
 static const char __pyx_k_IndexError[] = "IndexError";
@@ -1826,135 +2859,55 @@ static const char __pyx_k_pyx_result[] = "__pyx_result";
 static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
 static const char __pyx_k_MemoryError[] = "MemoryError";
 static const char __pyx_k_PickleError[] = "PickleError";
+static const char __pyx_k_collections[] = "collections";
+static const char __pyx_k_initializing[] = "_initializing";
+static const char __pyx_k_is_coroutine[] = "_is_coroutine";
 static const char __pyx_k_pyx_checksum[] = "__pyx_checksum";
-static const char __pyx_k_stringsource[] = "stringsource";
-static const char __pyx_k_pyx_getbuffer[] = "__pyx_getbuffer";
+static const char __pyx_k_stringsource[] = "<stringsource>";
+static const char __pyx_k_version_info[] = "version_info";
+static const char __pyx_k_class_getitem[] = "__class_getitem__";
 static const char __pyx_k_reduce_cython[] = "__reduce_cython__";
+static const char __pyx_k_AssertionError[] = "AssertionError";
 static const char __pyx_k_View_MemoryView[] = "View.MemoryView";
 static const char __pyx_k_allocate_buffer[] = "allocate_buffer";
+static const char __pyx_k_collections_abc[] = "collections.abc";
 static const char __pyx_k_dtype_is_object[] = "dtype_is_object";
 static const char __pyx_k_pyx_PickleError[] = "__pyx_PickleError";
 static const char __pyx_k_setstate_cython[] = "__setstate_cython__";
 static const char __pyx_k_pyx_unpickle_Enum[] = "__pyx_unpickle_Enum";
+static const char __pyx_k_asyncio_coroutines[] = "asyncio.coroutines";
 static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback";
 static const char __pyx_k_strided_and_direct[] = "<strided and direct>";
 static const char __pyx_k_strided_and_indirect[] = "<strided and indirect>";
+static const char __pyx_k_Invalid_shape_in_axis[] = "Invalid shape in axis ";
 static const char __pyx_k_contiguous_and_direct[] = "<contiguous and direct>";
+static const char __pyx_k_Cannot_index_with_type[] = "Cannot index with type '";
 static const char __pyx_k_MemoryView_of_r_object[] = "<MemoryView of %r object>";
 static const char __pyx_k_MemoryView_of_r_at_0x_x[] = "<MemoryView of %r at 0x%x>";
 static const char __pyx_k_contiguous_and_indirect[] = "<contiguous and indirect>";
-static const char __pyx_k_Cannot_index_with_type_s[] = "Cannot index with type '%s'";
-static const char __pyx_k_Invalid_shape_in_axis_d_d[] = "Invalid shape in axis %d: %d.";
+static const char __pyx_k_Dimension_d_is_not_direct[] = "Dimension %d is not direct";
+static const char __pyx_k_Index_out_of_bounds_axis_d[] = "Index out of bounds (axis %d)";
+static const char __pyx_k_Step_may_not_be_zero_axis_d[] = "Step may not be zero (axis %d)";
 static const char __pyx_k_fastXPCS_cython_welford_pyx[] = "fastXPCS/cython/welford.pyx";
 static const char __pyx_k_itemsize_0_for_cython_array[] = "itemsize <= 0 for cython.array";
 static const char __pyx_k_unable_to_allocate_array_data[] = "unable to allocate array data.";
 static const char __pyx_k_strided_and_direct_or_indirect[] = "<strided and direct or indirect>";
+static const char __pyx_k_All_dimensions_preceding_dimensi[] = "All dimensions preceding dimension %d must be indexed and not sliced";
 static const char __pyx_k_Buffer_view_does_not_expose_stri[] = "Buffer view does not expose strides";
 static const char __pyx_k_Can_only_create_a_buffer_that_is[] = "Can only create a buffer that is contiguous in memory.";
 static const char __pyx_k_Cannot_assign_to_read_only_memor[] = "Cannot assign to read-only memoryview";
 static const char __pyx_k_Cannot_create_writable_memory_vi[] = "Cannot create writable memory view from read-only memoryview";
+static const char __pyx_k_Cannot_transpose_memoryview_with[] = "Cannot transpose memoryview with indirect dimensions";
 static const char __pyx_k_Empty_shape_tuple_for_cython_arr[] = "Empty shape tuple for cython.array";
-static const char __pyx_k_Incompatible_checksums_s_vs_0xb0[] = "Incompatible checksums (%s vs 0xb068931 = (name))";
+static const char __pyx_k_Incompatible_checksums_0x_x_vs_0[] = "Incompatible checksums (0x%x vs (0x82a3537, 0x6ae9995, 0xb068931) = (name))";
 static const char __pyx_k_Indirect_dimensions_not_supporte[] = "Indirect dimensions not supported";
-static const char __pyx_k_Invalid_mode_expected_c_or_fortr[] = "Invalid mode, expected 'c' or 'fortran', got %s";
-static const char __pyx_k_Out_of_bounds_on_buffer_access_a[] = "Out of bounds on buffer access (axis %d)";
+static const char __pyx_k_Invalid_mode_expected_c_or_fortr[] = "Invalid mode, expected 'c' or 'fortran', got ";
+static const char __pyx_k_Out_of_bounds_on_buffer_access_a[] = "Out of bounds on buffer access (axis ";
 static const char __pyx_k_Unable_to_convert_item_to_object[] = "Unable to convert item to object";
-static const char __pyx_k_got_differing_extents_in_dimensi[] = "got differing extents in dimension %d (got %d and %d)";
+static const char __pyx_k_got_differing_extents_in_dimensi[] = "got differing extents in dimension ";
 static const char __pyx_k_no_default___reduce___due_to_non[] = "no default __reduce__ due to non-trivial __cinit__";
 static const char __pyx_k_unable_to_allocate_shape_and_str[] = "unable to allocate shape and strides.";
-static PyObject *__pyx_n_s_ASCII;
-static PyObject *__pyx_kp_s_Buffer_view_does_not_expose_stri;
-static PyObject *__pyx_kp_s_Can_only_create_a_buffer_that_is;
-static PyObject *__pyx_kp_s_Cannot_assign_to_read_only_memor;
-static PyObject *__pyx_kp_s_Cannot_create_writable_memory_vi;
-static PyObject *__pyx_kp_s_Cannot_index_with_type_s;
-static PyObject *__pyx_n_s_Ellipsis;
-static PyObject *__pyx_kp_s_Empty_shape_tuple_for_cython_arr;
-static PyObject *__pyx_kp_s_Incompatible_checksums_s_vs_0xb0;
-static PyObject *__pyx_n_s_IndexError;
-static PyObject *__pyx_kp_s_Indirect_dimensions_not_supporte;
-static PyObject *__pyx_kp_s_Invalid_mode_expected_c_or_fortr;
-static PyObject *__pyx_kp_s_Invalid_shape_in_axis_d_d;
-static PyObject *__pyx_n_s_MemoryError;
-static PyObject *__pyx_kp_s_MemoryView_of_r_at_0x_x;
-static PyObject *__pyx_kp_s_MemoryView_of_r_object;
-static PyObject *__pyx_n_b_O;
-static PyObject *__pyx_kp_s_Out_of_bounds_on_buffer_access_a;
-static PyObject *__pyx_n_s_PickleError;
-static PyObject *__pyx_n_s_TypeError;
-static PyObject *__pyx_kp_s_Unable_to_convert_item_to_object;
-static PyObject *__pyx_n_s_ValueError;
-static PyObject *__pyx_n_s_View_MemoryView;
-static PyObject *__pyx_n_s_allocate_buffer;
-static PyObject *__pyx_n_s_alpha;
-static PyObject *__pyx_n_s_avg;
-static PyObject *__pyx_n_s_base;
-static PyObject *__pyx_n_s_c;
-static PyObject *__pyx_n_u_c;
-static PyObject *__pyx_n_s_class;
-static PyObject *__pyx_n_s_cline_in_traceback;
-static PyObject *__pyx_kp_s_contiguous_and_direct;
-static PyObject *__pyx_kp_s_contiguous_and_indirect;
-static PyObject *__pyx_n_s_dict;
-static PyObject *__pyx_n_s_dtype_is_object;
-static PyObject *__pyx_n_s_encode;
-static PyObject *__pyx_n_s_enumerate;
-static PyObject *__pyx_n_s_error;
-static PyObject *__pyx_kp_s_fastXPCS_cython_welford_pyx;
-static PyObject *__pyx_n_s_flags;
-static PyObject *__pyx_n_s_format;
-static PyObject *__pyx_n_s_fortran;
-static PyObject *__pyx_n_u_fortran;
-static PyObject *__pyx_n_s_getstate;
-static PyObject *__pyx_kp_s_got_differing_extents_in_dimensi;
-static PyObject *__pyx_n_s_id;
-static PyObject *__pyx_n_s_import;
-static PyObject *__pyx_n_s_itemsize;
-static PyObject *__pyx_kp_s_itemsize_0_for_cython_array;
-static PyObject *__pyx_n_s_main;
-static PyObject *__pyx_n_s_memview;
-static PyObject *__pyx_n_s_mode;
-static PyObject *__pyx_n_s_name;
-static PyObject *__pyx_n_s_name_2;
-static PyObject *__pyx_n_s_ndim;
-static PyObject *__pyx_n_s_new;
-static PyObject *__pyx_kp_s_no_default___reduce___due_to_non;
-static PyObject *__pyx_n_s_obj;
-static PyObject *__pyx_n_s_pack;
-static PyObject *__pyx_n_s_pickle;
-static PyObject *__pyx_n_s_pyx_PickleError;
-static PyObject *__pyx_n_s_pyx_checksum;
-static PyObject *__pyx_n_s_pyx_getbuffer;
-static PyObject *__pyx_n_s_pyx_result;
-static PyObject *__pyx_n_s_pyx_state;
-static PyObject *__pyx_n_s_pyx_type;
-static PyObject *__pyx_n_s_pyx_unpickle_Enum;
-static PyObject *__pyx_n_s_pyx_vtable;
-static PyObject *__pyx_n_s_range;
-static PyObject *__pyx_n_s_reduce;
-static PyObject *__pyx_n_s_reduce_cython;
-static PyObject *__pyx_n_s_reduce_ex;
-static PyObject *__pyx_n_s_setstate;
-static PyObject *__pyx_n_s_setstate_cython;
-static PyObject *__pyx_n_s_shape;
-static PyObject *__pyx_n_s_size;
-static PyObject *__pyx_n_s_start;
-static PyObject *__pyx_n_s_step;
-static PyObject *__pyx_n_s_stop;
-static PyObject *__pyx_kp_s_strided_and_direct;
-static PyObject *__pyx_kp_s_strided_and_direct_or_indirect;
-static PyObject *__pyx_kp_s_strided_and_indirect;
-static PyObject *__pyx_kp_s_stringsource;
-static PyObject *__pyx_n_s_struct;
-static PyObject *__pyx_n_s_test;
-static PyObject *__pyx_kp_s_unable_to_allocate_array_data;
-static PyObject *__pyx_kp_s_unable_to_allocate_shape_and_str;
-static PyObject *__pyx_n_s_unpack;
-static PyObject *__pyx_n_s_update;
-static PyObject *__pyx_n_s_var;
-static PyObject *__pyx_n_s_welford;
-static PyObject *__pyx_n_s_x;
-static PyObject *__pyx_pf_7welford_welford(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_x, __Pyx_memviewslice __pyx_v_avg, __Pyx_memviewslice __pyx_v_var, __Pyx_memviewslice __pyx_v_alpha); /* proto */
+/* #### Code section: decls ### */
 static int __pyx_array___pyx_pf_15View_dot_MemoryView_5array___cinit__(struct __pyx_array_obj *__pyx_v_self, PyObject *__pyx_v_shape, Py_ssize_t __pyx_v_itemsize, PyObject *__pyx_v_format, PyObject *__pyx_v_mode, int __pyx_v_allocate_buffer); /* proto */
 static int __pyx_array___pyx_pf_15View_dot_MemoryView_5array_2__getbuffer__(struct __pyx_array_obj *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /* proto */
 static void __pyx_array___pyx_pf_15View_dot_MemoryView_5array_4__dealloc__(struct __pyx_array_obj *__pyx_v_self); /* proto */
@@ -1993,414 +2946,885 @@ static PyObject *__pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_22
 static PyObject *__pyx_pf___pyx_memoryview___reduce_cython__(CYTHON_UNUSED struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf___pyx_memoryview_2__setstate_cython__(CYTHON_UNUSED struct __pyx_memoryview_obj *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
 static void __pyx_memoryviewslice___pyx_pf_15View_dot_MemoryView_16_memoryviewslice___dealloc__(struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_15View_dot_MemoryView_16_memoryviewslice_4base___get__(struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf___pyx_memoryviewslice___reduce_cython__(CYTHON_UNUSED struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf___pyx_memoryviewslice_2__setstate_cython__(CYTHON_UNUSED struct __pyx_memoryviewslice_obj *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
 static PyObject *__pyx_pf_15View_dot_MemoryView___pyx_unpickle_Enum(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v___pyx_type, long __pyx_v___pyx_checksum, PyObject *__pyx_v___pyx_state); /* proto */
+static PyObject *__pyx_pf_7welford_welford(CYTHON_UNUSED PyObject *__pyx_self, __Pyx_memviewslice __pyx_v_x, __Pyx_memviewslice __pyx_v_avg, __Pyx_memviewslice __pyx_v_var, __Pyx_memviewslice __pyx_v_alpha); /* proto */
 static PyObject *__pyx_tp_new_array(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
 static PyObject *__pyx_tp_new_Enum(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
 static PyObject *__pyx_tp_new_memoryview(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
 static PyObject *__pyx_tp_new__memoryviewslice(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_int_0;
-static PyObject *__pyx_int_1;
-static PyObject *__pyx_int_184977713;
-static PyObject *__pyx_int_neg_1;
-static PyObject *__pyx_tuple_;
-static PyObject *__pyx_tuple__2;
-static PyObject *__pyx_tuple__3;
-static PyObject *__pyx_tuple__4;
-static PyObject *__pyx_tuple__5;
-static PyObject *__pyx_tuple__6;
-static PyObject *__pyx_tuple__7;
-static PyObject *__pyx_tuple__8;
-static PyObject *__pyx_tuple__9;
-static PyObject *__pyx_slice__15;
-static PyObject *__pyx_tuple__10;
-static PyObject *__pyx_tuple__11;
-static PyObject *__pyx_tuple__12;
-static PyObject *__pyx_tuple__13;
-static PyObject *__pyx_tuple__14;
-static PyObject *__pyx_tuple__16;
-static PyObject *__pyx_tuple__17;
-static PyObject *__pyx_tuple__18;
-static PyObject *__pyx_tuple__19;
-static PyObject *__pyx_tuple__21;
-static PyObject *__pyx_tuple__22;
-static PyObject *__pyx_tuple__23;
-static PyObject *__pyx_tuple__24;
-static PyObject *__pyx_tuple__25;
-static PyObject *__pyx_tuple__26;
-static PyObject *__pyx_codeobj__20;
-static PyObject *__pyx_codeobj__27;
-/* Late includes */
-
-/* "welford.pyx":5
- * @cython.boundscheck(False)
- * @cython.wraparound(False)
- * def welford (float[:,:,::1] x,             # <<<<<<<<<<<<<<
- *              float[:,:,::1] avg,
- *              float[:,:,::1] var,
+/* #### Code section: late_includes ### */
+/* #### Code section: module_state ### */
+typedef struct {
+  PyObject *__pyx_d;
+  PyObject *__pyx_b;
+  PyObject *__pyx_cython_runtime;
+  PyObject *__pyx_empty_tuple;
+  PyObject *__pyx_empty_bytes;
+  PyObject *__pyx_empty_unicode;
+  #ifdef __Pyx_CyFunction_USED
+  PyTypeObject *__pyx_CyFunctionType;
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  PyTypeObject *__pyx_FusedFunctionType;
+  #endif
+  #ifdef __Pyx_Generator_USED
+  PyTypeObject *__pyx_GeneratorType;
+  #endif
+  #ifdef __Pyx_IterableCoroutine_USED
+  PyTypeObject *__pyx_IterableCoroutineType;
+  #endif
+  #ifdef __Pyx_Coroutine_USED
+  PyTypeObject *__pyx_CoroutineAwaitType;
+  #endif
+  #ifdef __Pyx_Coroutine_USED
+  PyTypeObject *__pyx_CoroutineType;
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  #endif
+  #if CYTHON_USE_MODULE_STATE
+  PyObject *__pyx_type___pyx_array;
+  PyObject *__pyx_type___pyx_MemviewEnum;
+  PyObject *__pyx_type___pyx_memoryview;
+  PyObject *__pyx_type___pyx_memoryviewslice;
+  #endif
+  PyTypeObject *__pyx_array_type;
+  PyTypeObject *__pyx_MemviewEnum_type;
+  PyTypeObject *__pyx_memoryview_type;
+  PyTypeObject *__pyx_memoryviewslice_type;
+  PyObject *__pyx_kp_u_;
+  PyObject *__pyx_n_s_ASCII;
+  PyObject *__pyx_kp_s_All_dimensions_preceding_dimensi;
+  PyObject *__pyx_n_s_AssertionError;
+  PyObject *__pyx_kp_s_Buffer_view_does_not_expose_stri;
+  PyObject *__pyx_kp_s_Can_only_create_a_buffer_that_is;
+  PyObject *__pyx_kp_s_Cannot_assign_to_read_only_memor;
+  PyObject *__pyx_kp_s_Cannot_create_writable_memory_vi;
+  PyObject *__pyx_kp_u_Cannot_index_with_type;
+  PyObject *__pyx_kp_s_Cannot_transpose_memoryview_with;
+  PyObject *__pyx_kp_s_Dimension_d_is_not_direct;
+  PyObject *__pyx_n_s_Ellipsis;
+  PyObject *__pyx_kp_s_Empty_shape_tuple_for_cython_arr;
+  PyObject *__pyx_kp_s_Incompatible_checksums_0x_x_vs_0;
+  PyObject *__pyx_n_s_IndexError;
+  PyObject *__pyx_kp_s_Index_out_of_bounds_axis_d;
+  PyObject *__pyx_kp_s_Indirect_dimensions_not_supporte;
+  PyObject *__pyx_kp_u_Invalid_mode_expected_c_or_fortr;
+  PyObject *__pyx_kp_u_Invalid_shape_in_axis;
+  PyObject *__pyx_n_s_MemoryError;
+  PyObject *__pyx_kp_s_MemoryView_of_r_at_0x_x;
+  PyObject *__pyx_kp_s_MemoryView_of_r_object;
+  PyObject *__pyx_n_b_O;
+  PyObject *__pyx_kp_u_Out_of_bounds_on_buffer_access_a;
+  PyObject *__pyx_n_s_PickleError;
+  PyObject *__pyx_n_s_Sequence;
+  PyObject *__pyx_kp_s_Step_may_not_be_zero_axis_d;
+  PyObject *__pyx_n_s_TypeError;
+  PyObject *__pyx_kp_s_Unable_to_convert_item_to_object;
+  PyObject *__pyx_n_s_ValueError;
+  PyObject *__pyx_n_s_View_MemoryView;
+  PyObject *__pyx_kp_u__2;
+  PyObject *__pyx_n_s__22;
+  PyObject *__pyx_n_s__3;
+  PyObject *__pyx_kp_u__6;
+  PyObject *__pyx_kp_u__7;
+  PyObject *__pyx_n_s_abc;
+  PyObject *__pyx_n_s_allocate_buffer;
+  PyObject *__pyx_n_s_alpha;
+  PyObject *__pyx_kp_u_and;
+  PyObject *__pyx_n_s_asyncio_coroutines;
+  PyObject *__pyx_n_s_avg;
+  PyObject *__pyx_n_s_base;
+  PyObject *__pyx_n_s_c;
+  PyObject *__pyx_n_u_c;
+  PyObject *__pyx_n_s_class;
+  PyObject *__pyx_n_s_class_getitem;
+  PyObject *__pyx_n_s_cline_in_traceback;
+  PyObject *__pyx_n_s_collections;
+  PyObject *__pyx_kp_s_collections_abc;
+  PyObject *__pyx_kp_s_contiguous_and_direct;
+  PyObject *__pyx_kp_s_contiguous_and_indirect;
+  PyObject *__pyx_n_s_count;
+  PyObject *__pyx_n_s_dict;
+  PyObject *__pyx_kp_u_disable;
+  PyObject *__pyx_n_s_dtype_is_object;
+  PyObject *__pyx_kp_u_enable;
+  PyObject *__pyx_n_s_encode;
+  PyObject *__pyx_n_s_enumerate;
+  PyObject *__pyx_n_s_error;
+  PyObject *__pyx_kp_s_fastXPCS_cython_welford_pyx;
+  PyObject *__pyx_n_s_flags;
+  PyObject *__pyx_n_s_format;
+  PyObject *__pyx_n_s_fortran;
+  PyObject *__pyx_n_u_fortran;
+  PyObject *__pyx_kp_u_gc;
+  PyObject *__pyx_n_s_getstate;
+  PyObject *__pyx_kp_u_got;
+  PyObject *__pyx_kp_u_got_differing_extents_in_dimensi;
+  PyObject *__pyx_n_s_id;
+  PyObject *__pyx_n_s_import;
+  PyObject *__pyx_n_s_index;
+  PyObject *__pyx_n_s_initializing;
+  PyObject *__pyx_n_s_is_coroutine;
+  PyObject *__pyx_kp_u_isenabled;
+  PyObject *__pyx_n_s_itemsize;
+  PyObject *__pyx_kp_s_itemsize_0_for_cython_array;
+  PyObject *__pyx_n_s_main;
+  PyObject *__pyx_n_s_memview;
+  PyObject *__pyx_n_s_mode;
+  PyObject *__pyx_n_s_name;
+  PyObject *__pyx_n_s_name_2;
+  PyObject *__pyx_n_s_ndim;
+  PyObject *__pyx_n_s_new;
+  PyObject *__pyx_kp_s_no_default___reduce___due_to_non;
+  PyObject *__pyx_n_s_obj;
+  PyObject *__pyx_n_s_pack;
+  PyObject *__pyx_n_s_pickle;
+  PyObject *__pyx_n_s_pyx_PickleError;
+  PyObject *__pyx_n_s_pyx_checksum;
+  PyObject *__pyx_n_s_pyx_result;
+  PyObject *__pyx_n_s_pyx_state;
+  PyObject *__pyx_n_s_pyx_type;
+  PyObject *__pyx_n_s_pyx_unpickle_Enum;
+  PyObject *__pyx_n_s_pyx_vtable;
+  PyObject *__pyx_n_s_range;
+  PyObject *__pyx_n_s_reduce;
+  PyObject *__pyx_n_s_reduce_cython;
+  PyObject *__pyx_n_s_reduce_ex;
+  PyObject *__pyx_n_s_register;
+  PyObject *__pyx_n_s_setstate;
+  PyObject *__pyx_n_s_setstate_cython;
+  PyObject *__pyx_n_s_shape;
+  PyObject *__pyx_n_s_size;
+  PyObject *__pyx_n_s_spec;
+  PyObject *__pyx_n_s_start;
+  PyObject *__pyx_n_s_step;
+  PyObject *__pyx_n_s_stop;
+  PyObject *__pyx_kp_s_strided_and_direct;
+  PyObject *__pyx_kp_s_strided_and_direct_or_indirect;
+  PyObject *__pyx_kp_s_strided_and_indirect;
+  PyObject *__pyx_kp_s_stringsource;
+  PyObject *__pyx_n_s_struct;
+  PyObject *__pyx_n_s_sys;
+  PyObject *__pyx_n_s_test;
+  PyObject *__pyx_kp_s_unable_to_allocate_array_data;
+  PyObject *__pyx_kp_s_unable_to_allocate_shape_and_str;
+  PyObject *__pyx_n_s_unpack;
+  PyObject *__pyx_n_s_update;
+  PyObject *__pyx_n_s_var;
+  PyObject *__pyx_n_s_version_info;
+  PyObject *__pyx_n_s_welford;
+  PyObject *__pyx_n_s_x;
+  PyObject *__pyx_int_0;
+  PyObject *__pyx_int_1;
+  PyObject *__pyx_int_3;
+  PyObject *__pyx_int_112105877;
+  PyObject *__pyx_int_136983863;
+  PyObject *__pyx_int_184977713;
+  PyObject *__pyx_int_neg_1;
+  PyObject *__pyx_slice__5;
+  PyObject *__pyx_tuple__4;
+  PyObject *__pyx_tuple__8;
+  PyObject *__pyx_tuple__9;
+  PyObject *__pyx_tuple__10;
+  PyObject *__pyx_tuple__11;
+  PyObject *__pyx_tuple__12;
+  PyObject *__pyx_tuple__13;
+  PyObject *__pyx_tuple__14;
+  PyObject *__pyx_tuple__15;
+  PyObject *__pyx_tuple__16;
+  PyObject *__pyx_tuple__17;
+  PyObject *__pyx_tuple__18;
+  PyObject *__pyx_tuple__20;
+  PyObject *__pyx_codeobj__19;
+  PyObject *__pyx_codeobj__21;
+} __pyx_mstate;
+
+#if CYTHON_USE_MODULE_STATE
+#ifdef __cplusplus
+namespace {
+  extern struct PyModuleDef __pyx_moduledef;
+} /* anonymous namespace */
+#else
+static struct PyModuleDef __pyx_moduledef;
+#endif
+
+#define __pyx_mstate(o) ((__pyx_mstate *)__Pyx_PyModule_GetState(o))
+
+#define __pyx_mstate_global (__pyx_mstate(PyState_FindModule(&__pyx_moduledef)))
+
+#define __pyx_m (PyState_FindModule(&__pyx_moduledef))
+#else
+static __pyx_mstate __pyx_mstate_global_static =
+#ifdef __cplusplus
+    {};
+#else
+    {0};
+#endif
+static __pyx_mstate *__pyx_mstate_global = &__pyx_mstate_global_static;
+#endif
+/* #### Code section: module_state_clear ### */
+#if CYTHON_USE_MODULE_STATE
+static int __pyx_m_clear(PyObject *m) {
+  __pyx_mstate *clear_module_state = __pyx_mstate(m);
+  if (!clear_module_state) return 0;
+  Py_CLEAR(clear_module_state->__pyx_d);
+  Py_CLEAR(clear_module_state->__pyx_b);
+  Py_CLEAR(clear_module_state->__pyx_cython_runtime);
+  Py_CLEAR(clear_module_state->__pyx_empty_tuple);
+  Py_CLEAR(clear_module_state->__pyx_empty_bytes);
+  Py_CLEAR(clear_module_state->__pyx_empty_unicode);
+  #ifdef __Pyx_CyFunction_USED
+  Py_CLEAR(clear_module_state->__pyx_CyFunctionType);
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  Py_CLEAR(clear_module_state->__pyx_FusedFunctionType);
+  #endif
+  Py_CLEAR(clear_module_state->__pyx_array_type);
+  Py_CLEAR(clear_module_state->__pyx_type___pyx_array);
+  Py_CLEAR(clear_module_state->__pyx_MemviewEnum_type);
+  Py_CLEAR(clear_module_state->__pyx_type___pyx_MemviewEnum);
+  Py_CLEAR(clear_module_state->__pyx_memoryview_type);
+  Py_CLEAR(clear_module_state->__pyx_type___pyx_memoryview);
+  Py_CLEAR(clear_module_state->__pyx_memoryviewslice_type);
+  Py_CLEAR(clear_module_state->__pyx_type___pyx_memoryviewslice);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ASCII);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_All_dimensions_preceding_dimensi);
+  Py_CLEAR(clear_module_state->__pyx_n_s_AssertionError);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Buffer_view_does_not_expose_stri);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Can_only_create_a_buffer_that_is);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Cannot_assign_to_read_only_memor);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Cannot_create_writable_memory_vi);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_Cannot_index_with_type);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Cannot_transpose_memoryview_with);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Dimension_d_is_not_direct);
+  Py_CLEAR(clear_module_state->__pyx_n_s_Ellipsis);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Empty_shape_tuple_for_cython_arr);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Incompatible_checksums_0x_x_vs_0);
+  Py_CLEAR(clear_module_state->__pyx_n_s_IndexError);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Index_out_of_bounds_axis_d);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Indirect_dimensions_not_supporte);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_Invalid_mode_expected_c_or_fortr);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_Invalid_shape_in_axis);
+  Py_CLEAR(clear_module_state->__pyx_n_s_MemoryError);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_MemoryView_of_r_at_0x_x);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_MemoryView_of_r_object);
+  Py_CLEAR(clear_module_state->__pyx_n_b_O);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_Out_of_bounds_on_buffer_access_a);
+  Py_CLEAR(clear_module_state->__pyx_n_s_PickleError);
+  Py_CLEAR(clear_module_state->__pyx_n_s_Sequence);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Step_may_not_be_zero_axis_d);
+  Py_CLEAR(clear_module_state->__pyx_n_s_TypeError);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_Unable_to_convert_item_to_object);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ValueError);
+  Py_CLEAR(clear_module_state->__pyx_n_s_View_MemoryView);
+  Py_CLEAR(clear_module_state->__pyx_kp_u__2);
+  Py_CLEAR(clear_module_state->__pyx_n_s__22);
+  Py_CLEAR(clear_module_state->__pyx_n_s__3);
+  Py_CLEAR(clear_module_state->__pyx_kp_u__6);
+  Py_CLEAR(clear_module_state->__pyx_kp_u__7);
+  Py_CLEAR(clear_module_state->__pyx_n_s_abc);
+  Py_CLEAR(clear_module_state->__pyx_n_s_allocate_buffer);
+  Py_CLEAR(clear_module_state->__pyx_n_s_alpha);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_and);
+  Py_CLEAR(clear_module_state->__pyx_n_s_asyncio_coroutines);
+  Py_CLEAR(clear_module_state->__pyx_n_s_avg);
+  Py_CLEAR(clear_module_state->__pyx_n_s_base);
+  Py_CLEAR(clear_module_state->__pyx_n_s_c);
+  Py_CLEAR(clear_module_state->__pyx_n_u_c);
+  Py_CLEAR(clear_module_state->__pyx_n_s_class);
+  Py_CLEAR(clear_module_state->__pyx_n_s_class_getitem);
+  Py_CLEAR(clear_module_state->__pyx_n_s_cline_in_traceback);
+  Py_CLEAR(clear_module_state->__pyx_n_s_collections);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_collections_abc);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_contiguous_and_direct);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_contiguous_and_indirect);
+  Py_CLEAR(clear_module_state->__pyx_n_s_count);
+  Py_CLEAR(clear_module_state->__pyx_n_s_dict);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_disable);
+  Py_CLEAR(clear_module_state->__pyx_n_s_dtype_is_object);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_enable);
+  Py_CLEAR(clear_module_state->__pyx_n_s_encode);
+  Py_CLEAR(clear_module_state->__pyx_n_s_enumerate);
+  Py_CLEAR(clear_module_state->__pyx_n_s_error);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_fastXPCS_cython_welford_pyx);
+  Py_CLEAR(clear_module_state->__pyx_n_s_flags);
+  Py_CLEAR(clear_module_state->__pyx_n_s_format);
+  Py_CLEAR(clear_module_state->__pyx_n_s_fortran);
+  Py_CLEAR(clear_module_state->__pyx_n_u_fortran);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_gc);
+  Py_CLEAR(clear_module_state->__pyx_n_s_getstate);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_got);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_got_differing_extents_in_dimensi);
+  Py_CLEAR(clear_module_state->__pyx_n_s_id);
+  Py_CLEAR(clear_module_state->__pyx_n_s_import);
+  Py_CLEAR(clear_module_state->__pyx_n_s_index);
+  Py_CLEAR(clear_module_state->__pyx_n_s_initializing);
+  Py_CLEAR(clear_module_state->__pyx_n_s_is_coroutine);
+  Py_CLEAR(clear_module_state->__pyx_kp_u_isenabled);
+  Py_CLEAR(clear_module_state->__pyx_n_s_itemsize);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_itemsize_0_for_cython_array);
+  Py_CLEAR(clear_module_state->__pyx_n_s_main);
+  Py_CLEAR(clear_module_state->__pyx_n_s_memview);
+  Py_CLEAR(clear_module_state->__pyx_n_s_mode);
+  Py_CLEAR(clear_module_state->__pyx_n_s_name);
+  Py_CLEAR(clear_module_state->__pyx_n_s_name_2);
+  Py_CLEAR(clear_module_state->__pyx_n_s_ndim);
+  Py_CLEAR(clear_module_state->__pyx_n_s_new);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_no_default___reduce___due_to_non);
+  Py_CLEAR(clear_module_state->__pyx_n_s_obj);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pack);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pickle);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_PickleError);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_checksum);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_result);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_state);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_type);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_unpickle_Enum);
+  Py_CLEAR(clear_module_state->__pyx_n_s_pyx_vtable);
+  Py_CLEAR(clear_module_state->__pyx_n_s_range);
+  Py_CLEAR(clear_module_state->__pyx_n_s_reduce);
+  Py_CLEAR(clear_module_state->__pyx_n_s_reduce_cython);
+  Py_CLEAR(clear_module_state->__pyx_n_s_reduce_ex);
+  Py_CLEAR(clear_module_state->__pyx_n_s_register);
+  Py_CLEAR(clear_module_state->__pyx_n_s_setstate);
+  Py_CLEAR(clear_module_state->__pyx_n_s_setstate_cython);
+  Py_CLEAR(clear_module_state->__pyx_n_s_shape);
+  Py_CLEAR(clear_module_state->__pyx_n_s_size);
+  Py_CLEAR(clear_module_state->__pyx_n_s_spec);
+  Py_CLEAR(clear_module_state->__pyx_n_s_start);
+  Py_CLEAR(clear_module_state->__pyx_n_s_step);
+  Py_CLEAR(clear_module_state->__pyx_n_s_stop);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_strided_and_direct);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_strided_and_direct_or_indirect);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_strided_and_indirect);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_stringsource);
+  Py_CLEAR(clear_module_state->__pyx_n_s_struct);
+  Py_CLEAR(clear_module_state->__pyx_n_s_sys);
+  Py_CLEAR(clear_module_state->__pyx_n_s_test);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_unable_to_allocate_array_data);
+  Py_CLEAR(clear_module_state->__pyx_kp_s_unable_to_allocate_shape_and_str);
+  Py_CLEAR(clear_module_state->__pyx_n_s_unpack);
+  Py_CLEAR(clear_module_state->__pyx_n_s_update);
+  Py_CLEAR(clear_module_state->__pyx_n_s_var);
+  Py_CLEAR(clear_module_state->__pyx_n_s_version_info);
+  Py_CLEAR(clear_module_state->__pyx_n_s_welford);
+  Py_CLEAR(clear_module_state->__pyx_n_s_x);
+  Py_CLEAR(clear_module_state->__pyx_int_0);
+  Py_CLEAR(clear_module_state->__pyx_int_1);
+  Py_CLEAR(clear_module_state->__pyx_int_3);
+  Py_CLEAR(clear_module_state->__pyx_int_112105877);
+  Py_CLEAR(clear_module_state->__pyx_int_136983863);
+  Py_CLEAR(clear_module_state->__pyx_int_184977713);
+  Py_CLEAR(clear_module_state->__pyx_int_neg_1);
+  Py_CLEAR(clear_module_state->__pyx_slice__5);
+  Py_CLEAR(clear_module_state->__pyx_tuple__4);
+  Py_CLEAR(clear_module_state->__pyx_tuple__8);
+  Py_CLEAR(clear_module_state->__pyx_tuple__9);
+  Py_CLEAR(clear_module_state->__pyx_tuple__10);
+  Py_CLEAR(clear_module_state->__pyx_tuple__11);
+  Py_CLEAR(clear_module_state->__pyx_tuple__12);
+  Py_CLEAR(clear_module_state->__pyx_tuple__13);
+  Py_CLEAR(clear_module_state->__pyx_tuple__14);
+  Py_CLEAR(clear_module_state->__pyx_tuple__15);
+  Py_CLEAR(clear_module_state->__pyx_tuple__16);
+  Py_CLEAR(clear_module_state->__pyx_tuple__17);
+  Py_CLEAR(clear_module_state->__pyx_tuple__18);
+  Py_CLEAR(clear_module_state->__pyx_tuple__20);
+  Py_CLEAR(clear_module_state->__pyx_codeobj__19);
+  Py_CLEAR(clear_module_state->__pyx_codeobj__21);
+  return 0;
+}
+#endif
+/* #### Code section: module_state_traverse ### */
+#if CYTHON_USE_MODULE_STATE
+static int __pyx_m_traverse(PyObject *m, visitproc visit, void *arg) {
+  __pyx_mstate *traverse_module_state = __pyx_mstate(m);
+  if (!traverse_module_state) return 0;
+  Py_VISIT(traverse_module_state->__pyx_d);
+  Py_VISIT(traverse_module_state->__pyx_b);
+  Py_VISIT(traverse_module_state->__pyx_cython_runtime);
+  Py_VISIT(traverse_module_state->__pyx_empty_tuple);
+  Py_VISIT(traverse_module_state->__pyx_empty_bytes);
+  Py_VISIT(traverse_module_state->__pyx_empty_unicode);
+  #ifdef __Pyx_CyFunction_USED
+  Py_VISIT(traverse_module_state->__pyx_CyFunctionType);
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  Py_VISIT(traverse_module_state->__pyx_FusedFunctionType);
+  #endif
+  Py_VISIT(traverse_module_state->__pyx_array_type);
+  Py_VISIT(traverse_module_state->__pyx_type___pyx_array);
+  Py_VISIT(traverse_module_state->__pyx_MemviewEnum_type);
+  Py_VISIT(traverse_module_state->__pyx_type___pyx_MemviewEnum);
+  Py_VISIT(traverse_module_state->__pyx_memoryview_type);
+  Py_VISIT(traverse_module_state->__pyx_type___pyx_memoryview);
+  Py_VISIT(traverse_module_state->__pyx_memoryviewslice_type);
+  Py_VISIT(traverse_module_state->__pyx_type___pyx_memoryviewslice);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ASCII);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_All_dimensions_preceding_dimensi);
+  Py_VISIT(traverse_module_state->__pyx_n_s_AssertionError);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Buffer_view_does_not_expose_stri);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Can_only_create_a_buffer_that_is);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Cannot_assign_to_read_only_memor);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Cannot_create_writable_memory_vi);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_Cannot_index_with_type);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Cannot_transpose_memoryview_with);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Dimension_d_is_not_direct);
+  Py_VISIT(traverse_module_state->__pyx_n_s_Ellipsis);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Empty_shape_tuple_for_cython_arr);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Incompatible_checksums_0x_x_vs_0);
+  Py_VISIT(traverse_module_state->__pyx_n_s_IndexError);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Index_out_of_bounds_axis_d);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Indirect_dimensions_not_supporte);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_Invalid_mode_expected_c_or_fortr);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_Invalid_shape_in_axis);
+  Py_VISIT(traverse_module_state->__pyx_n_s_MemoryError);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_MemoryView_of_r_at_0x_x);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_MemoryView_of_r_object);
+  Py_VISIT(traverse_module_state->__pyx_n_b_O);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_Out_of_bounds_on_buffer_access_a);
+  Py_VISIT(traverse_module_state->__pyx_n_s_PickleError);
+  Py_VISIT(traverse_module_state->__pyx_n_s_Sequence);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Step_may_not_be_zero_axis_d);
+  Py_VISIT(traverse_module_state->__pyx_n_s_TypeError);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_Unable_to_convert_item_to_object);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ValueError);
+  Py_VISIT(traverse_module_state->__pyx_n_s_View_MemoryView);
+  Py_VISIT(traverse_module_state->__pyx_kp_u__2);
+  Py_VISIT(traverse_module_state->__pyx_n_s__22);
+  Py_VISIT(traverse_module_state->__pyx_n_s__3);
+  Py_VISIT(traverse_module_state->__pyx_kp_u__6);
+  Py_VISIT(traverse_module_state->__pyx_kp_u__7);
+  Py_VISIT(traverse_module_state->__pyx_n_s_abc);
+  Py_VISIT(traverse_module_state->__pyx_n_s_allocate_buffer);
+  Py_VISIT(traverse_module_state->__pyx_n_s_alpha);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_and);
+  Py_VISIT(traverse_module_state->__pyx_n_s_asyncio_coroutines);
+  Py_VISIT(traverse_module_state->__pyx_n_s_avg);
+  Py_VISIT(traverse_module_state->__pyx_n_s_base);
+  Py_VISIT(traverse_module_state->__pyx_n_s_c);
+  Py_VISIT(traverse_module_state->__pyx_n_u_c);
+  Py_VISIT(traverse_module_state->__pyx_n_s_class);
+  Py_VISIT(traverse_module_state->__pyx_n_s_class_getitem);
+  Py_VISIT(traverse_module_state->__pyx_n_s_cline_in_traceback);
+  Py_VISIT(traverse_module_state->__pyx_n_s_collections);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_collections_abc);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_contiguous_and_direct);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_contiguous_and_indirect);
+  Py_VISIT(traverse_module_state->__pyx_n_s_count);
+  Py_VISIT(traverse_module_state->__pyx_n_s_dict);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_disable);
+  Py_VISIT(traverse_module_state->__pyx_n_s_dtype_is_object);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_enable);
+  Py_VISIT(traverse_module_state->__pyx_n_s_encode);
+  Py_VISIT(traverse_module_state->__pyx_n_s_enumerate);
+  Py_VISIT(traverse_module_state->__pyx_n_s_error);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_fastXPCS_cython_welford_pyx);
+  Py_VISIT(traverse_module_state->__pyx_n_s_flags);
+  Py_VISIT(traverse_module_state->__pyx_n_s_format);
+  Py_VISIT(traverse_module_state->__pyx_n_s_fortran);
+  Py_VISIT(traverse_module_state->__pyx_n_u_fortran);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_gc);
+  Py_VISIT(traverse_module_state->__pyx_n_s_getstate);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_got);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_got_differing_extents_in_dimensi);
+  Py_VISIT(traverse_module_state->__pyx_n_s_id);
+  Py_VISIT(traverse_module_state->__pyx_n_s_import);
+  Py_VISIT(traverse_module_state->__pyx_n_s_index);
+  Py_VISIT(traverse_module_state->__pyx_n_s_initializing);
+  Py_VISIT(traverse_module_state->__pyx_n_s_is_coroutine);
+  Py_VISIT(traverse_module_state->__pyx_kp_u_isenabled);
+  Py_VISIT(traverse_module_state->__pyx_n_s_itemsize);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_itemsize_0_for_cython_array);
+  Py_VISIT(traverse_module_state->__pyx_n_s_main);
+  Py_VISIT(traverse_module_state->__pyx_n_s_memview);
+  Py_VISIT(traverse_module_state->__pyx_n_s_mode);
+  Py_VISIT(traverse_module_state->__pyx_n_s_name);
+  Py_VISIT(traverse_module_state->__pyx_n_s_name_2);
+  Py_VISIT(traverse_module_state->__pyx_n_s_ndim);
+  Py_VISIT(traverse_module_state->__pyx_n_s_new);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_no_default___reduce___due_to_non);
+  Py_VISIT(traverse_module_state->__pyx_n_s_obj);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pack);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pickle);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_PickleError);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_checksum);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_result);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_state);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_type);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_unpickle_Enum);
+  Py_VISIT(traverse_module_state->__pyx_n_s_pyx_vtable);
+  Py_VISIT(traverse_module_state->__pyx_n_s_range);
+  Py_VISIT(traverse_module_state->__pyx_n_s_reduce);
+  Py_VISIT(traverse_module_state->__pyx_n_s_reduce_cython);
+  Py_VISIT(traverse_module_state->__pyx_n_s_reduce_ex);
+  Py_VISIT(traverse_module_state->__pyx_n_s_register);
+  Py_VISIT(traverse_module_state->__pyx_n_s_setstate);
+  Py_VISIT(traverse_module_state->__pyx_n_s_setstate_cython);
+  Py_VISIT(traverse_module_state->__pyx_n_s_shape);
+  Py_VISIT(traverse_module_state->__pyx_n_s_size);
+  Py_VISIT(traverse_module_state->__pyx_n_s_spec);
+  Py_VISIT(traverse_module_state->__pyx_n_s_start);
+  Py_VISIT(traverse_module_state->__pyx_n_s_step);
+  Py_VISIT(traverse_module_state->__pyx_n_s_stop);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_strided_and_direct);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_strided_and_direct_or_indirect);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_strided_and_indirect);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_stringsource);
+  Py_VISIT(traverse_module_state->__pyx_n_s_struct);
+  Py_VISIT(traverse_module_state->__pyx_n_s_sys);
+  Py_VISIT(traverse_module_state->__pyx_n_s_test);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_unable_to_allocate_array_data);
+  Py_VISIT(traverse_module_state->__pyx_kp_s_unable_to_allocate_shape_and_str);
+  Py_VISIT(traverse_module_state->__pyx_n_s_unpack);
+  Py_VISIT(traverse_module_state->__pyx_n_s_update);
+  Py_VISIT(traverse_module_state->__pyx_n_s_var);
+  Py_VISIT(traverse_module_state->__pyx_n_s_version_info);
+  Py_VISIT(traverse_module_state->__pyx_n_s_welford);
+  Py_VISIT(traverse_module_state->__pyx_n_s_x);
+  Py_VISIT(traverse_module_state->__pyx_int_0);
+  Py_VISIT(traverse_module_state->__pyx_int_1);
+  Py_VISIT(traverse_module_state->__pyx_int_3);
+  Py_VISIT(traverse_module_state->__pyx_int_112105877);
+  Py_VISIT(traverse_module_state->__pyx_int_136983863);
+  Py_VISIT(traverse_module_state->__pyx_int_184977713);
+  Py_VISIT(traverse_module_state->__pyx_int_neg_1);
+  Py_VISIT(traverse_module_state->__pyx_slice__5);
+  Py_VISIT(traverse_module_state->__pyx_tuple__4);
+  Py_VISIT(traverse_module_state->__pyx_tuple__8);
+  Py_VISIT(traverse_module_state->__pyx_tuple__9);
+  Py_VISIT(traverse_module_state->__pyx_tuple__10);
+  Py_VISIT(traverse_module_state->__pyx_tuple__11);
+  Py_VISIT(traverse_module_state->__pyx_tuple__12);
+  Py_VISIT(traverse_module_state->__pyx_tuple__13);
+  Py_VISIT(traverse_module_state->__pyx_tuple__14);
+  Py_VISIT(traverse_module_state->__pyx_tuple__15);
+  Py_VISIT(traverse_module_state->__pyx_tuple__16);
+  Py_VISIT(traverse_module_state->__pyx_tuple__17);
+  Py_VISIT(traverse_module_state->__pyx_tuple__18);
+  Py_VISIT(traverse_module_state->__pyx_tuple__20);
+  Py_VISIT(traverse_module_state->__pyx_codeobj__19);
+  Py_VISIT(traverse_module_state->__pyx_codeobj__21);
+  return 0;
+}
+#endif
+/* #### Code section: module_state_defines ### */
+#define __pyx_d __pyx_mstate_global->__pyx_d
+#define __pyx_b __pyx_mstate_global->__pyx_b
+#define __pyx_cython_runtime __pyx_mstate_global->__pyx_cython_runtime
+#define __pyx_empty_tuple __pyx_mstate_global->__pyx_empty_tuple
+#define __pyx_empty_bytes __pyx_mstate_global->__pyx_empty_bytes
+#define __pyx_empty_unicode __pyx_mstate_global->__pyx_empty_unicode
+#ifdef __Pyx_CyFunction_USED
+#define __pyx_CyFunctionType __pyx_mstate_global->__pyx_CyFunctionType
+#endif
+#ifdef __Pyx_FusedFunction_USED
+#define __pyx_FusedFunctionType __pyx_mstate_global->__pyx_FusedFunctionType
+#endif
+#ifdef __Pyx_Generator_USED
+#define __pyx_GeneratorType __pyx_mstate_global->__pyx_GeneratorType
+#endif
+#ifdef __Pyx_IterableCoroutine_USED
+#define __pyx_IterableCoroutineType __pyx_mstate_global->__pyx_IterableCoroutineType
+#endif
+#ifdef __Pyx_Coroutine_USED
+#define __pyx_CoroutineAwaitType __pyx_mstate_global->__pyx_CoroutineAwaitType
+#endif
+#ifdef __Pyx_Coroutine_USED
+#define __pyx_CoroutineType __pyx_mstate_global->__pyx_CoroutineType
+#endif
+#if CYTHON_USE_MODULE_STATE
+#endif
+#if CYTHON_USE_MODULE_STATE
+#endif
+#if CYTHON_USE_MODULE_STATE
+#endif
+#if CYTHON_USE_MODULE_STATE
+#define __pyx_type___pyx_array __pyx_mstate_global->__pyx_type___pyx_array
+#define __pyx_type___pyx_MemviewEnum __pyx_mstate_global->__pyx_type___pyx_MemviewEnum
+#define __pyx_type___pyx_memoryview __pyx_mstate_global->__pyx_type___pyx_memoryview
+#define __pyx_type___pyx_memoryviewslice __pyx_mstate_global->__pyx_type___pyx_memoryviewslice
+#endif
+#define __pyx_array_type __pyx_mstate_global->__pyx_array_type
+#define __pyx_MemviewEnum_type __pyx_mstate_global->__pyx_MemviewEnum_type
+#define __pyx_memoryview_type __pyx_mstate_global->__pyx_memoryview_type
+#define __pyx_memoryviewslice_type __pyx_mstate_global->__pyx_memoryviewslice_type
+#define __pyx_kp_u_ __pyx_mstate_global->__pyx_kp_u_
+#define __pyx_n_s_ASCII __pyx_mstate_global->__pyx_n_s_ASCII
+#define __pyx_kp_s_All_dimensions_preceding_dimensi __pyx_mstate_global->__pyx_kp_s_All_dimensions_preceding_dimensi
+#define __pyx_n_s_AssertionError __pyx_mstate_global->__pyx_n_s_AssertionError
+#define __pyx_kp_s_Buffer_view_does_not_expose_stri __pyx_mstate_global->__pyx_kp_s_Buffer_view_does_not_expose_stri
+#define __pyx_kp_s_Can_only_create_a_buffer_that_is __pyx_mstate_global->__pyx_kp_s_Can_only_create_a_buffer_that_is
+#define __pyx_kp_s_Cannot_assign_to_read_only_memor __pyx_mstate_global->__pyx_kp_s_Cannot_assign_to_read_only_memor
+#define __pyx_kp_s_Cannot_create_writable_memory_vi __pyx_mstate_global->__pyx_kp_s_Cannot_create_writable_memory_vi
+#define __pyx_kp_u_Cannot_index_with_type __pyx_mstate_global->__pyx_kp_u_Cannot_index_with_type
+#define __pyx_kp_s_Cannot_transpose_memoryview_with __pyx_mstate_global->__pyx_kp_s_Cannot_transpose_memoryview_with
+#define __pyx_kp_s_Dimension_d_is_not_direct __pyx_mstate_global->__pyx_kp_s_Dimension_d_is_not_direct
+#define __pyx_n_s_Ellipsis __pyx_mstate_global->__pyx_n_s_Ellipsis
+#define __pyx_kp_s_Empty_shape_tuple_for_cython_arr __pyx_mstate_global->__pyx_kp_s_Empty_shape_tuple_for_cython_arr
+#define __pyx_kp_s_Incompatible_checksums_0x_x_vs_0 __pyx_mstate_global->__pyx_kp_s_Incompatible_checksums_0x_x_vs_0
+#define __pyx_n_s_IndexError __pyx_mstate_global->__pyx_n_s_IndexError
+#define __pyx_kp_s_Index_out_of_bounds_axis_d __pyx_mstate_global->__pyx_kp_s_Index_out_of_bounds_axis_d
+#define __pyx_kp_s_Indirect_dimensions_not_supporte __pyx_mstate_global->__pyx_kp_s_Indirect_dimensions_not_supporte
+#define __pyx_kp_u_Invalid_mode_expected_c_or_fortr __pyx_mstate_global->__pyx_kp_u_Invalid_mode_expected_c_or_fortr
+#define __pyx_kp_u_Invalid_shape_in_axis __pyx_mstate_global->__pyx_kp_u_Invalid_shape_in_axis
+#define __pyx_n_s_MemoryError __pyx_mstate_global->__pyx_n_s_MemoryError
+#define __pyx_kp_s_MemoryView_of_r_at_0x_x __pyx_mstate_global->__pyx_kp_s_MemoryView_of_r_at_0x_x
+#define __pyx_kp_s_MemoryView_of_r_object __pyx_mstate_global->__pyx_kp_s_MemoryView_of_r_object
+#define __pyx_n_b_O __pyx_mstate_global->__pyx_n_b_O
+#define __pyx_kp_u_Out_of_bounds_on_buffer_access_a __pyx_mstate_global->__pyx_kp_u_Out_of_bounds_on_buffer_access_a
+#define __pyx_n_s_PickleError __pyx_mstate_global->__pyx_n_s_PickleError
+#define __pyx_n_s_Sequence __pyx_mstate_global->__pyx_n_s_Sequence
+#define __pyx_kp_s_Step_may_not_be_zero_axis_d __pyx_mstate_global->__pyx_kp_s_Step_may_not_be_zero_axis_d
+#define __pyx_n_s_TypeError __pyx_mstate_global->__pyx_n_s_TypeError
+#define __pyx_kp_s_Unable_to_convert_item_to_object __pyx_mstate_global->__pyx_kp_s_Unable_to_convert_item_to_object
+#define __pyx_n_s_ValueError __pyx_mstate_global->__pyx_n_s_ValueError
+#define __pyx_n_s_View_MemoryView __pyx_mstate_global->__pyx_n_s_View_MemoryView
+#define __pyx_kp_u__2 __pyx_mstate_global->__pyx_kp_u__2
+#define __pyx_n_s__22 __pyx_mstate_global->__pyx_n_s__22
+#define __pyx_n_s__3 __pyx_mstate_global->__pyx_n_s__3
+#define __pyx_kp_u__6 __pyx_mstate_global->__pyx_kp_u__6
+#define __pyx_kp_u__7 __pyx_mstate_global->__pyx_kp_u__7
+#define __pyx_n_s_abc __pyx_mstate_global->__pyx_n_s_abc
+#define __pyx_n_s_allocate_buffer __pyx_mstate_global->__pyx_n_s_allocate_buffer
+#define __pyx_n_s_alpha __pyx_mstate_global->__pyx_n_s_alpha
+#define __pyx_kp_u_and __pyx_mstate_global->__pyx_kp_u_and
+#define __pyx_n_s_asyncio_coroutines __pyx_mstate_global->__pyx_n_s_asyncio_coroutines
+#define __pyx_n_s_avg __pyx_mstate_global->__pyx_n_s_avg
+#define __pyx_n_s_base __pyx_mstate_global->__pyx_n_s_base
+#define __pyx_n_s_c __pyx_mstate_global->__pyx_n_s_c
+#define __pyx_n_u_c __pyx_mstate_global->__pyx_n_u_c
+#define __pyx_n_s_class __pyx_mstate_global->__pyx_n_s_class
+#define __pyx_n_s_class_getitem __pyx_mstate_global->__pyx_n_s_class_getitem
+#define __pyx_n_s_cline_in_traceback __pyx_mstate_global->__pyx_n_s_cline_in_traceback
+#define __pyx_n_s_collections __pyx_mstate_global->__pyx_n_s_collections
+#define __pyx_kp_s_collections_abc __pyx_mstate_global->__pyx_kp_s_collections_abc
+#define __pyx_kp_s_contiguous_and_direct __pyx_mstate_global->__pyx_kp_s_contiguous_and_direct
+#define __pyx_kp_s_contiguous_and_indirect __pyx_mstate_global->__pyx_kp_s_contiguous_and_indirect
+#define __pyx_n_s_count __pyx_mstate_global->__pyx_n_s_count
+#define __pyx_n_s_dict __pyx_mstate_global->__pyx_n_s_dict
+#define __pyx_kp_u_disable __pyx_mstate_global->__pyx_kp_u_disable
+#define __pyx_n_s_dtype_is_object __pyx_mstate_global->__pyx_n_s_dtype_is_object
+#define __pyx_kp_u_enable __pyx_mstate_global->__pyx_kp_u_enable
+#define __pyx_n_s_encode __pyx_mstate_global->__pyx_n_s_encode
+#define __pyx_n_s_enumerate __pyx_mstate_global->__pyx_n_s_enumerate
+#define __pyx_n_s_error __pyx_mstate_global->__pyx_n_s_error
+#define __pyx_kp_s_fastXPCS_cython_welford_pyx __pyx_mstate_global->__pyx_kp_s_fastXPCS_cython_welford_pyx
+#define __pyx_n_s_flags __pyx_mstate_global->__pyx_n_s_flags
+#define __pyx_n_s_format __pyx_mstate_global->__pyx_n_s_format
+#define __pyx_n_s_fortran __pyx_mstate_global->__pyx_n_s_fortran
+#define __pyx_n_u_fortran __pyx_mstate_global->__pyx_n_u_fortran
+#define __pyx_kp_u_gc __pyx_mstate_global->__pyx_kp_u_gc
+#define __pyx_n_s_getstate __pyx_mstate_global->__pyx_n_s_getstate
+#define __pyx_kp_u_got __pyx_mstate_global->__pyx_kp_u_got
+#define __pyx_kp_u_got_differing_extents_in_dimensi __pyx_mstate_global->__pyx_kp_u_got_differing_extents_in_dimensi
+#define __pyx_n_s_id __pyx_mstate_global->__pyx_n_s_id
+#define __pyx_n_s_import __pyx_mstate_global->__pyx_n_s_import
+#define __pyx_n_s_index __pyx_mstate_global->__pyx_n_s_index
+#define __pyx_n_s_initializing __pyx_mstate_global->__pyx_n_s_initializing
+#define __pyx_n_s_is_coroutine __pyx_mstate_global->__pyx_n_s_is_coroutine
+#define __pyx_kp_u_isenabled __pyx_mstate_global->__pyx_kp_u_isenabled
+#define __pyx_n_s_itemsize __pyx_mstate_global->__pyx_n_s_itemsize
+#define __pyx_kp_s_itemsize_0_for_cython_array __pyx_mstate_global->__pyx_kp_s_itemsize_0_for_cython_array
+#define __pyx_n_s_main __pyx_mstate_global->__pyx_n_s_main
+#define __pyx_n_s_memview __pyx_mstate_global->__pyx_n_s_memview
+#define __pyx_n_s_mode __pyx_mstate_global->__pyx_n_s_mode
+#define __pyx_n_s_name __pyx_mstate_global->__pyx_n_s_name
+#define __pyx_n_s_name_2 __pyx_mstate_global->__pyx_n_s_name_2
+#define __pyx_n_s_ndim __pyx_mstate_global->__pyx_n_s_ndim
+#define __pyx_n_s_new __pyx_mstate_global->__pyx_n_s_new
+#define __pyx_kp_s_no_default___reduce___due_to_non __pyx_mstate_global->__pyx_kp_s_no_default___reduce___due_to_non
+#define __pyx_n_s_obj __pyx_mstate_global->__pyx_n_s_obj
+#define __pyx_n_s_pack __pyx_mstate_global->__pyx_n_s_pack
+#define __pyx_n_s_pickle __pyx_mstate_global->__pyx_n_s_pickle
+#define __pyx_n_s_pyx_PickleError __pyx_mstate_global->__pyx_n_s_pyx_PickleError
+#define __pyx_n_s_pyx_checksum __pyx_mstate_global->__pyx_n_s_pyx_checksum
+#define __pyx_n_s_pyx_result __pyx_mstate_global->__pyx_n_s_pyx_result
+#define __pyx_n_s_pyx_state __pyx_mstate_global->__pyx_n_s_pyx_state
+#define __pyx_n_s_pyx_type __pyx_mstate_global->__pyx_n_s_pyx_type
+#define __pyx_n_s_pyx_unpickle_Enum __pyx_mstate_global->__pyx_n_s_pyx_unpickle_Enum
+#define __pyx_n_s_pyx_vtable __pyx_mstate_global->__pyx_n_s_pyx_vtable
+#define __pyx_n_s_range __pyx_mstate_global->__pyx_n_s_range
+#define __pyx_n_s_reduce __pyx_mstate_global->__pyx_n_s_reduce
+#define __pyx_n_s_reduce_cython __pyx_mstate_global->__pyx_n_s_reduce_cython
+#define __pyx_n_s_reduce_ex __pyx_mstate_global->__pyx_n_s_reduce_ex
+#define __pyx_n_s_register __pyx_mstate_global->__pyx_n_s_register
+#define __pyx_n_s_setstate __pyx_mstate_global->__pyx_n_s_setstate
+#define __pyx_n_s_setstate_cython __pyx_mstate_global->__pyx_n_s_setstate_cython
+#define __pyx_n_s_shape __pyx_mstate_global->__pyx_n_s_shape
+#define __pyx_n_s_size __pyx_mstate_global->__pyx_n_s_size
+#define __pyx_n_s_spec __pyx_mstate_global->__pyx_n_s_spec
+#define __pyx_n_s_start __pyx_mstate_global->__pyx_n_s_start
+#define __pyx_n_s_step __pyx_mstate_global->__pyx_n_s_step
+#define __pyx_n_s_stop __pyx_mstate_global->__pyx_n_s_stop
+#define __pyx_kp_s_strided_and_direct __pyx_mstate_global->__pyx_kp_s_strided_and_direct
+#define __pyx_kp_s_strided_and_direct_or_indirect __pyx_mstate_global->__pyx_kp_s_strided_and_direct_or_indirect
+#define __pyx_kp_s_strided_and_indirect __pyx_mstate_global->__pyx_kp_s_strided_and_indirect
+#define __pyx_kp_s_stringsource __pyx_mstate_global->__pyx_kp_s_stringsource
+#define __pyx_n_s_struct __pyx_mstate_global->__pyx_n_s_struct
+#define __pyx_n_s_sys __pyx_mstate_global->__pyx_n_s_sys
+#define __pyx_n_s_test __pyx_mstate_global->__pyx_n_s_test
+#define __pyx_kp_s_unable_to_allocate_array_data __pyx_mstate_global->__pyx_kp_s_unable_to_allocate_array_data
+#define __pyx_kp_s_unable_to_allocate_shape_and_str __pyx_mstate_global->__pyx_kp_s_unable_to_allocate_shape_and_str
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+#define __pyx_n_s_update __pyx_mstate_global->__pyx_n_s_update
+#define __pyx_n_s_var __pyx_mstate_global->__pyx_n_s_var
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+#define __pyx_n_s_x __pyx_mstate_global->__pyx_n_s_x
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+#define __pyx_int_1 __pyx_mstate_global->__pyx_int_1
+#define __pyx_int_3 __pyx_mstate_global->__pyx_int_3
+#define __pyx_int_112105877 __pyx_mstate_global->__pyx_int_112105877
+#define __pyx_int_136983863 __pyx_mstate_global->__pyx_int_136983863
+#define __pyx_int_184977713 __pyx_mstate_global->__pyx_int_184977713
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+#define __pyx_tuple__4 __pyx_mstate_global->__pyx_tuple__4
+#define __pyx_tuple__8 __pyx_mstate_global->__pyx_tuple__8
+#define __pyx_tuple__9 __pyx_mstate_global->__pyx_tuple__9
+#define __pyx_tuple__10 __pyx_mstate_global->__pyx_tuple__10
+#define __pyx_tuple__11 __pyx_mstate_global->__pyx_tuple__11
+#define __pyx_tuple__12 __pyx_mstate_global->__pyx_tuple__12
+#define __pyx_tuple__13 __pyx_mstate_global->__pyx_tuple__13
+#define __pyx_tuple__14 __pyx_mstate_global->__pyx_tuple__14
+#define __pyx_tuple__15 __pyx_mstate_global->__pyx_tuple__15
+#define __pyx_tuple__16 __pyx_mstate_global->__pyx_tuple__16
+#define __pyx_tuple__17 __pyx_mstate_global->__pyx_tuple__17
+#define __pyx_tuple__18 __pyx_mstate_global->__pyx_tuple__18
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+    }
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+    /* "View.MemoryView":185
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+ * 
+ *         if flags & PyBUF_STRIDES:             # <<<<<<<<<<<<<<
+ *             info.ndim = self.ndim
+ *             info.shape = self._shape
  */
-  __pyx_t_6 = __pyx_v_self->ndim;
-  __pyx_v_info->ndim = __pyx_t_6;
+  __pyx_t_1 = ((__pyx_v_flags & PyBUF_STRIDES) != 0);
+  if (__pyx_t_1) {
+
+    /* "View.MemoryView":196
+ * 
+ *         if flags & PyBUF_STRIDES:
+ *             info.ndim = self.ndim             # <<<<<<<<<<<<<<
+ *             info.shape = self._shape
+ *             info.strides = self._strides
+ */
+    __pyx_t_4 = __pyx_v_self->ndim;
+    __pyx_v_info->ndim = __pyx_t_4;
+
+    /* "View.MemoryView":197
+ *         if flags & PyBUF_STRIDES:
+ *             info.ndim = self.ndim
+ *             info.shape = self._shape             # <<<<<<<<<<<<<<
+ *             info.strides = self._strides
+ *         else:
+ */
+    __pyx_t_5 = __pyx_v_self->_shape;
+    __pyx_v_info->shape = __pyx_t_5;
+
+    /* "View.MemoryView":198
+ *             info.ndim = self.ndim
+ *             info.shape = self._shape
+ *             info.strides = self._strides             # <<<<<<<<<<<<<<
+ *         else:
+ *             info.ndim = 1
+ */
+    __pyx_t_5 = __pyx_v_self->_strides;
+    __pyx_v_info->strides = __pyx_t_5;
 
-  /* "View.MemoryView":196
+    /* "View.MemoryView":195
  *         info.len = self.len
- *         info.ndim = self.ndim
- *         info.shape = self._shape             # <<<<<<<<<<<<<<
- *         info.strides = self._strides
- *         info.suboffsets = NULL
+ * 
+ *         if flags & PyBUF_STRIDES:             # <<<<<<<<<<<<<<
+ *             info.ndim = self.ndim
+ *             info.shape = self._shape
  */
-  __pyx_t_7 = __pyx_v_self->_shape;
-  __pyx_v_info->shape = __pyx_t_7;
+    goto __pyx_L6;
+  }
+
+  /* "View.MemoryView":200
+ *             info.strides = self._strides
+ *         else:
+ *             info.ndim = 1             # <<<<<<<<<<<<<<
+ *             info.shape = &self.len if flags & PyBUF_ND else NULL
+ *             info.strides = NULL
+ */
+  /*else*/ {
+    __pyx_v_info->ndim = 1;
+
+    /* "View.MemoryView":201
+ *         else:
+ *             info.ndim = 1
+ *             info.shape = &self.len if flags & PyBUF_ND else NULL             # <<<<<<<<<<<<<<
+ *             info.strides = NULL
+ * 
+ */
+    __pyx_t_1 = ((__pyx_v_flags & PyBUF_ND) != 0);
+    if (__pyx_t_1) {
+      __pyx_t_5 = (&__pyx_v_self->len);
+    } else {
+      __pyx_t_5 = NULL;
+    }
+    __pyx_v_info->shape = __pyx_t_5;
 
-  /* "View.MemoryView":197
- *         info.ndim = self.ndim
- *         info.shape = self._shape
- *         info.strides = self._strides             # <<<<<<<<<<<<<<
+    /* "View.MemoryView":202
+ *             info.ndim = 1
+ *             info.shape = &self.len if flags & PyBUF_ND else NULL
+ *             info.strides = NULL             # <<<<<<<<<<<<<<
+ * 
  *         info.suboffsets = NULL
- *         info.itemsize = self.itemsize
  */
-  __pyx_t_7 = __pyx_v_self->_strides;
-  __pyx_v_info->strides = __pyx_t_7;
+    __pyx_v_info->strides = NULL;
+  }
+  __pyx_L6:;
 
-  /* "View.MemoryView":198
- *         info.shape = self._shape
- *         info.strides = self._strides
+  /* "View.MemoryView":204
+ *             info.strides = NULL
+ * 
  *         info.suboffsets = NULL             # <<<<<<<<<<<<<<
  *         info.itemsize = self.itemsize
  *         info.readonly = 0
  */
   __pyx_v_info->suboffsets = NULL;
 
-  /* "View.MemoryView":199
- *         info.strides = self._strides
+  /* "View.MemoryView":205
+ * 
  *         info.suboffsets = NULL
  *         info.itemsize = self.itemsize             # <<<<<<<<<<<<<<
  *         info.readonly = 0
- * 
+ *         info.format = self.format if flags & PyBUF_FORMAT else NULL
  */
-  __pyx_t_5 = __pyx_v_self->itemsize;
-  __pyx_v_info->itemsize = __pyx_t_5;
+  __pyx_t_3 = __pyx_v_self->itemsize;
+  __pyx_v_info->itemsize = __pyx_t_3;
 
-  /* "View.MemoryView":200
+  /* "View.MemoryView":206
  *         info.suboffsets = NULL
  *         info.itemsize = self.itemsize
  *         info.readonly = 0             # <<<<<<<<<<<<<<
- * 
- *         if flags & PyBUF_FORMAT:
+ *         info.format = self.format if flags & PyBUF_FORMAT else NULL
+ *         info.obj = self
  */
   __pyx_v_info->readonly = 0;
 
-  /* "View.MemoryView":202
+  /* "View.MemoryView":207
+ *         info.itemsize = self.itemsize
  *         info.readonly = 0
+ *         info.format = self.format if flags & PyBUF_FORMAT else NULL             # <<<<<<<<<<<<<<
+ *         info.obj = self
  * 
- *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
- *             info.format = self.format
- *         else:
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   __pyx_t_1 = ((__pyx_v_flags & PyBUF_FORMAT) != 0);
   if (__pyx_t_1) {
-
-    /* "View.MemoryView":203
- * 
- *         if flags & PyBUF_FORMAT:
- *             info.format = self.format             # <<<<<<<<<<<<<<
- *         else:
- *             info.format = NULL
- */
-    __pyx_t_4 = __pyx_v_self->format;
-    __pyx_v_info->format = __pyx_t_4;
-
-    /* "View.MemoryView":202
- *         info.readonly = 0
- * 
- *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
- *             info.format = self.format
- *         else:
- */
-    goto __pyx_L5;
-  }
-
-  /* "View.MemoryView":205
- *             info.format = self.format
- *         else:
- *             info.format = NULL             # <<<<<<<<<<<<<<
- * 
- *         info.obj = self
- */
-  /*else*/ {
-    __pyx_v_info->format = NULL;
+    __pyx_t_2 = __pyx_v_self->format;
+  } else {
+    __pyx_t_2 = NULL;
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-  __pyx_L5:;
+  __pyx_v_info->format = __pyx_t_2;
 
-  /* "View.MemoryView":207
- *             info.format = NULL
- * 
+  /* "View.MemoryView":208
+ *         info.readonly = 0
+ *         info.format = self.format if flags & PyBUF_FORMAT else NULL
  *         info.obj = self             # <<<<<<<<<<<<<<
  * 
- *     __pyx_getbuffer = capsule(<void *> &__pyx_array_getbuffer, "getbuffer(obj, view, flags)")
+ *     def __dealloc__(array self):
  */
-  __Pyx_INCREF(((PyObject *)__pyx_v_self));
-  __Pyx_GIVEREF(((PyObject *)__pyx_v_self));
+  __Pyx_INCREF((PyObject *)__pyx_v_self);
+  __Pyx_GIVEREF((PyObject *)__pyx_v_self);
   __Pyx_GOTREF(__pyx_v_info->obj);
   __Pyx_DECREF(__pyx_v_info->obj);
   __pyx_v_info->obj = ((PyObject *)__pyx_v_self);
 
-  /* "View.MemoryView":185
+  /* "View.MemoryView":182
+ *             _allocate_buffer(self)
  * 
- *     @cname('getbuffer')
- *     def __getbuffer__(self, Py_buffer *info, int flags):             # <<<<<<<<<<<<<<
+ *     @cname('getbuffer')             # <<<<<<<<<<<<<<
+ *     def __getbuffer__(self, Py_buffer *info, int flags):
  *         cdef int bufmode = -1
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   /* function exit code */
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@@ -3361,8 +4755,8 @@ static int __pyx_array___pyx_pf_15View_dot_MemoryView_5array_2__getbuffer__(stru
   return __pyx_r;
 }
 
-/* "View.MemoryView":211
- *     __pyx_getbuffer = capsule(<void *> &__pyx_array_getbuffer, "getbuffer(obj, view, flags)")
+/* "View.MemoryView":210
+ *         info.obj = self
  * 
  *     def __dealloc__(array self):             # <<<<<<<<<<<<<<
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@@ -3372,8 +4766,10 @@ static int __pyx_array___pyx_pf_15View_dot_MemoryView_5array_2__getbuffer__(stru
 /* Python wrapper */
 static void __pyx_array___dealloc__(PyObject *__pyx_v_self); /*proto*/
 static void __pyx_array___dealloc__(PyObject *__pyx_v_self) {
+  CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
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   __Pyx_RefNannySetupContext("__dealloc__ (wrapper)", 0);
+  __pyx_kwvalues = __Pyx_KwValues_VARARGS(__pyx_args, __pyx_nargs);
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-  __Pyx_RefNannySetupContext("__dealloc__", 0);
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-  /* "View.MemoryView":212
+  /* "View.MemoryView":211
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- *         elif self.free_data:
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-  __pyx_t_1 = ((__pyx_v_self->callback_free_data != NULL) != 0);
+  __pyx_t_1 = (__pyx_v_self->callback_free_data != NULL);
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-    /* "View.MemoryView":213
+    /* "View.MemoryView":212
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  *             self.callback_free_data(self.data)             # <<<<<<<<<<<<<<
- *         elif self.free_data:
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-    /* "View.MemoryView":212
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+ *         elif self.free_data and self.data is not NULL:
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-  /* "View.MemoryView":214
+  /* "View.MemoryView":213
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- *         elif self.free_data:             # <<<<<<<<<<<<<<
+ *         elif self.free_data and self.data is not NULL:             # <<<<<<<<<<<<<<
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- *                 refcount_objects_in_slice(self.data, self._shape,
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-  __pyx_t_1 = (__pyx_v_self->free_data != 0);
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+  __pyx_t_1 = __pyx_t_2;
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-    /* "View.MemoryView":215
+    /* "View.MemoryView":214
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- *         elif self.free_data:
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- *                 refcount_objects_in_slice(self.data, self._shape,
- *                                           self._strides, self.ndim, False)
+ *                 refcount_objects_in_slice(self.data, self._shape, self._strides, self.ndim, inc=False)
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  */
-    __pyx_t_1 = (__pyx_v_self->dtype_is_object != 0);
-    if (__pyx_t_1) {
+    if (__pyx_v_self->dtype_is_object) {
 
-      /* "View.MemoryView":216
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+      /* "View.MemoryView":215
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  *             if self.dtype_is_object:
- *                 refcount_objects_in_slice(self.data, self._shape,             # <<<<<<<<<<<<<<
- *                                           self._strides, self.ndim, False)
+ *                 refcount_objects_in_slice(self.data, self._shape, self._strides, self.ndim, inc=False)             # <<<<<<<<<<<<<<
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+ *         PyObject_Free(self._shape)
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       __pyx_memoryview_refcount_objects_in_slice(__pyx_v_self->data, __pyx_v_self->_shape, __pyx_v_self->_strides, __pyx_v_self->ndim, 0);
 
-      /* "View.MemoryView":215
+      /* "View.MemoryView":214
  *             self.callback_free_data(self.data)
- *         elif self.free_data:
+ *         elif self.free_data and self.data is not NULL:
  *             if self.dtype_is_object:             # <<<<<<<<<<<<<<
- *                 refcount_objects_in_slice(self.data, self._shape,
- *                                           self._strides, self.ndim, False)
+ *                 refcount_objects_in_slice(self.data, self._shape, self._strides, self.ndim, inc=False)
+ *             free(self.data)
  */
     }
 
-    /* "View.MemoryView":218
- *                 refcount_objects_in_slice(self.data, self._shape,
- *                                           self._strides, self.ndim, False)
+    /* "View.MemoryView":216
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  *         PyObject_Free(self._shape)
  * 
  */
     free(__pyx_v_self->data);
 
-    /* "View.MemoryView":214
+    /* "View.MemoryView":213
  *         if self.callback_free_data != NULL:
  *             self.callback_free_data(self.data)
- *         elif self.free_data:             # <<<<<<<<<<<<<<
+ *         elif self.free_data and self.data is not NULL:             # <<<<<<<<<<<<<<
  *             if self.dtype_is_object:
- *                 refcount_objects_in_slice(self.data, self._shape,
+ *                 refcount_objects_in_slice(self.data, self._shape, self._strides, self.ndim, inc=False)
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   __pyx_L3:;
 
-  /* "View.MemoryView":219
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+  /* "View.MemoryView":217
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  *         PyObject_Free(self._shape)             # <<<<<<<<<<<<<<
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-  /* "View.MemoryView":211
- *     __pyx_getbuffer = capsule(<void *> &__pyx_array_getbuffer, "getbuffer(obj, view, flags)")
+  /* "View.MemoryView":210
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  * 
  *     def __dealloc__(array self):             # <<<<<<<<<<<<<<
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 }
 
-/* "View.MemoryView":222
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 /* Python wrapper */
 static PyObject *__pyx_pw_15View_dot_MemoryView_5array_7memview_1__get__(PyObject *__pyx_v_self); /*proto*/
 static PyObject *__pyx_pw_15View_dot_MemoryView_5array_7memview_1__get__(PyObject *__pyx_v_self) {
+  CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
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   __Pyx_RefNannyDeclarations
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-  /* "View.MemoryView":222
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-  /* "View.MemoryView":228
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+  __pyx_t_3 = PyTuple_New(3); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 226, __pyx_L1_error)
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+        const Py_ssize_t kwd_pos_args = __pyx_nargs;
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_kwvalues, __pyx_pyargnames, 0, values + 0, kwd_pos_args, "__cinit__") < 0)) __PYX_ERR(1, 349, __pyx_L3_error)
       }
     } else {
-      switch (PyTuple_GET_SIZE(__pyx_args)) {
-        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+      switch (__pyx_nargs) {
+        case  3: values[2] = __Pyx_Arg_VARARGS(__pyx_args, 2);
         CYTHON_FALLTHROUGH;
-        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
-        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  2: values[1] = __Pyx_Arg_VARARGS(__pyx_args, 1);
+        values[0] = __Pyx_Arg_VARARGS(__pyx_args, 0);
         break;
         default: goto __pyx_L5_argtuple_error;
       }
     }
     __pyx_v_obj = values[0];
-    __pyx_v_flags = __Pyx_PyInt_As_int(values[1]); if (unlikely((__pyx_v_flags == (int)-1) && PyErr_Occurred())) __PYX_ERR(1, 345, __pyx_L3_error)
+    __pyx_v_flags = __Pyx_PyInt_As_int(values[1]); if (unlikely((__pyx_v_flags == (int)-1) && PyErr_Occurred())) __PYX_ERR(1, 349, __pyx_L3_error)
     if (values[2]) {
-      __pyx_v_dtype_is_object = __Pyx_PyObject_IsTrue(values[2]); if (unlikely((__pyx_v_dtype_is_object == (int)-1) && PyErr_Occurred())) __PYX_ERR(1, 345, __pyx_L3_error)
+      __pyx_v_dtype_is_object = __Pyx_PyObject_IsTrue(values[2]); if (unlikely((__pyx_v_dtype_is_object == (int)-1) && PyErr_Occurred())) __PYX_ERR(1, 349, __pyx_L3_error)
     } else {
       __pyx_v_dtype_is_object = ((int)0);
     }
   }
-  goto __pyx_L4_argument_unpacking_done;
+  goto __pyx_L6_skip;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 2, 3, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(1, 345, __pyx_L3_error)
+  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 2, 3, __pyx_nargs); __PYX_ERR(1, 349, __pyx_L3_error)
+  __pyx_L6_skip:;
+  goto __pyx_L4_argument_unpacking_done;
   __pyx_L3_error:;
+  {
+    Py_ssize_t __pyx_temp;
+    for (__pyx_temp=0; __pyx_temp < (Py_ssize_t)(sizeof(values)/sizeof(values[0])); ++__pyx_temp) {
+      __Pyx_Arg_XDECREF_VARARGS(values[__pyx_temp]);
+    }
+  }
   __Pyx_AddTraceback("View.MemoryView.memoryview.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return -1;
@@ -4779,6 +6518,12 @@ static int __pyx_memoryview___cinit__(PyObject *__pyx_v_self, PyObject *__pyx_ar
   __pyx_r = __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview___cinit__(((struct __pyx_memoryview_obj *)__pyx_v_self), __pyx_v_obj, __pyx_v_flags, __pyx_v_dtype_is_object);
 
   /* function exit code */
+  {
+    Py_ssize_t __pyx_temp;
+    for (__pyx_temp=0; __pyx_temp < (Py_ssize_t)(sizeof(values)/sizeof(values[0])); ++__pyx_temp) {
+      __Pyx_Arg_XDECREF_VARARGS(values[__pyx_temp]);
+    }
+  }
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
@@ -4789,13 +6534,14 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview___cinit_
   int __pyx_t_1;
   int __pyx_t_2;
   int __pyx_t_3;
-  int __pyx_t_4;
+  Py_intptr_t __pyx_t_4;
+  size_t __pyx_t_5;
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("__cinit__", 0);
+  __Pyx_RefNannySetupContext("__cinit__", 1);
 
-  /* "View.MemoryView":346
+  /* "View.MemoryView":350
  * 
  *     def __cinit__(memoryview self, object obj, int flags, bint dtype_is_object=False):
  *         self.obj = obj             # <<<<<<<<<<<<<<
@@ -4808,7 +6554,7 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview___cinit_
   __Pyx_DECREF(__pyx_v_self->obj);
   __pyx_v_self->obj = __pyx_v_obj;
 
-  /* "View.MemoryView":347
+  /* "View.MemoryView":351
  *     def __cinit__(memoryview self, object obj, int flags, bint dtype_is_object=False):
  *         self.obj = obj
  *         self.flags = flags             # <<<<<<<<<<<<<<
@@ -4817,7 +6563,7 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview___cinit_
  */
   __pyx_v_self->flags = __pyx_v_flags;
 
-  /* "View.MemoryView":348
+  /* "View.MemoryView":352
  *         self.obj = obj
  *         self.flags = flags
  *         if type(self) is memoryview or obj is not None:             # <<<<<<<<<<<<<<
@@ -4825,38 +6571,36 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview___cinit_
  *             if <PyObject *> self.view.obj == NULL:
  */
   __pyx_t_2 = (((PyObject *)Py_TYPE(((PyObject *)__pyx_v_self))) == ((PyObject *)__pyx_memoryview_type));
-  __pyx_t_3 = (__pyx_t_2 != 0);
-  if (!__pyx_t_3) {
+  if (!__pyx_t_2) {
   } else {
-    __pyx_t_1 = __pyx_t_3;
+    __pyx_t_1 = __pyx_t_2;
     goto __pyx_L4_bool_binop_done;
   }
-  __pyx_t_3 = (__pyx_v_obj != Py_None);
-  __pyx_t_2 = (__pyx_t_3 != 0);
+  __pyx_t_2 = (__pyx_v_obj != Py_None);
   __pyx_t_1 = __pyx_t_2;
   __pyx_L4_bool_binop_done:;
   if (__pyx_t_1) {
 
-    /* "View.MemoryView":349
+    /* "View.MemoryView":353
  *         self.flags = flags
  *         if type(self) is memoryview or obj is not None:
  *             __Pyx_GetBuffer(obj, &self.view, flags)             # <<<<<<<<<<<<<<
  *             if <PyObject *> self.view.obj == NULL:
  *                 (<__pyx_buffer *> &self.view).obj = Py_None
  */
-    __pyx_t_4 = __Pyx_GetBuffer(__pyx_v_obj, (&__pyx_v_self->view), __pyx_v_flags); if (unlikely(__pyx_t_4 == ((int)-1))) __PYX_ERR(1, 349, __pyx_L1_error)
+    __pyx_t_3 = __Pyx_GetBuffer(__pyx_v_obj, (&__pyx_v_self->view), __pyx_v_flags); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 353, __pyx_L1_error)
 
-    /* "View.MemoryView":350
+    /* "View.MemoryView":354
  *         if type(self) is memoryview or obj is not None:
  *             __Pyx_GetBuffer(obj, &self.view, flags)
  *             if <PyObject *> self.view.obj == NULL:             # <<<<<<<<<<<<<<
  *                 (<__pyx_buffer *> &self.view).obj = Py_None
  *                 Py_INCREF(Py_None)
  */
-    __pyx_t_1 = ((((PyObject *)__pyx_v_self->view.obj) == NULL) != 0);
+    __pyx_t_1 = (((PyObject *)__pyx_v_self->view.obj) == NULL);
     if (__pyx_t_1) {
 
-      /* "View.MemoryView":351
+      /* "View.MemoryView":355
  *             __Pyx_GetBuffer(obj, &self.view, flags)
  *             if <PyObject *> self.view.obj == NULL:
  *                 (<__pyx_buffer *> &self.view).obj = Py_None             # <<<<<<<<<<<<<<
@@ -4865,16 +6609,16 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview___cinit_
  */
       ((Py_buffer *)(&__pyx_v_self->view))->obj = Py_None;
 
-      /* "View.MemoryView":352
+      /* "View.MemoryView":356
  *             if <PyObject *> self.view.obj == NULL:
  *                 (<__pyx_buffer *> &self.view).obj = Py_None
  *                 Py_INCREF(Py_None)             # <<<<<<<<<<<<<<
  * 
- *         global __pyx_memoryview_thread_locks_used
+ *         if not __PYX_CYTHON_ATOMICS_ENABLED():
  */
       Py_INCREF(Py_None);
 
-      /* "View.MemoryView":350
+      /* "View.MemoryView":354
  *         if type(self) is memoryview or obj is not None:
  *             __Pyx_GetBuffer(obj, &self.view, flags)
  *             if <PyObject *> self.view.obj == NULL:             # <<<<<<<<<<<<<<
@@ -4883,7 +6627,7 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview___cinit_
  */
     }
 
-    /* "View.MemoryView":348
+    /* "View.MemoryView":352
  *         self.obj = obj
  *         self.flags = flags
  *         if type(self) is memoryview or obj is not None:             # <<<<<<<<<<<<<<
@@ -4892,101 +6636,120 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview___cinit_
  */
   }
 
-  /* "View.MemoryView":355
+  /* "View.MemoryView":358
+ *                 Py_INCREF(Py_None)
  * 
- *         global __pyx_memoryview_thread_locks_used
- *         if __pyx_memoryview_thread_locks_used < THREAD_LOCKS_PREALLOCATED:             # <<<<<<<<<<<<<<
- *             self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
- *             __pyx_memoryview_thread_locks_used += 1
+ *         if not __PYX_CYTHON_ATOMICS_ENABLED():             # <<<<<<<<<<<<<<
+ *             global __pyx_memoryview_thread_locks_used
+ *             if __pyx_memoryview_thread_locks_used < 8:
  */
-  __pyx_t_1 = ((__pyx_memoryview_thread_locks_used < 8) != 0);
+  __pyx_t_1 = (!__PYX_CYTHON_ATOMICS_ENABLED());
   if (__pyx_t_1) {
 
-    /* "View.MemoryView":356
- *         global __pyx_memoryview_thread_locks_used
- *         if __pyx_memoryview_thread_locks_used < THREAD_LOCKS_PREALLOCATED:
- *             self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]             # <<<<<<<<<<<<<<
- *             __pyx_memoryview_thread_locks_used += 1
- *         if self.lock is NULL:
+    /* "View.MemoryView":360
+ *         if not __PYX_CYTHON_ATOMICS_ENABLED():
+ *             global __pyx_memoryview_thread_locks_used
+ *             if __pyx_memoryview_thread_locks_used < 8:             # <<<<<<<<<<<<<<
+ *                 self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
+ *                 __pyx_memoryview_thread_locks_used += 1
+ */
+    __pyx_t_1 = (__pyx_memoryview_thread_locks_used < 8);
+    if (__pyx_t_1) {
+
+      /* "View.MemoryView":361
+ *             global __pyx_memoryview_thread_locks_used
+ *             if __pyx_memoryview_thread_locks_used < 8:
+ *                 self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]             # <<<<<<<<<<<<<<
+ *                 __pyx_memoryview_thread_locks_used += 1
+ *             if self.lock is NULL:
  */
-    __pyx_v_self->lock = (__pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]);
+      __pyx_v_self->lock = (__pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]);
 
-    /* "View.MemoryView":357
- *         if __pyx_memoryview_thread_locks_used < THREAD_LOCKS_PREALLOCATED:
- *             self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
- *             __pyx_memoryview_thread_locks_used += 1             # <<<<<<<<<<<<<<
- *         if self.lock is NULL:
- *             self.lock = PyThread_allocate_lock()
+      /* "View.MemoryView":362
+ *             if __pyx_memoryview_thread_locks_used < 8:
+ *                 self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
+ *                 __pyx_memoryview_thread_locks_used += 1             # <<<<<<<<<<<<<<
+ *             if self.lock is NULL:
+ *                 self.lock = PyThread_allocate_lock()
  */
-    __pyx_memoryview_thread_locks_used = (__pyx_memoryview_thread_locks_used + 1);
+      __pyx_memoryview_thread_locks_used = (__pyx_memoryview_thread_locks_used + 1);
 
-    /* "View.MemoryView":355
- * 
- *         global __pyx_memoryview_thread_locks_used
- *         if __pyx_memoryview_thread_locks_used < THREAD_LOCKS_PREALLOCATED:             # <<<<<<<<<<<<<<
- *             self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
- *             __pyx_memoryview_thread_locks_used += 1
+      /* "View.MemoryView":360
+ *         if not __PYX_CYTHON_ATOMICS_ENABLED():
+ *             global __pyx_memoryview_thread_locks_used
+ *             if __pyx_memoryview_thread_locks_used < 8:             # <<<<<<<<<<<<<<
+ *                 self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
+ *                 __pyx_memoryview_thread_locks_used += 1
  */
-  }
+    }
 
-  /* "View.MemoryView":358
- *             self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
- *             __pyx_memoryview_thread_locks_used += 1
- *         if self.lock is NULL:             # <<<<<<<<<<<<<<
- *             self.lock = PyThread_allocate_lock()
+    /* "View.MemoryView":363
+ *                 self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
+ *                 __pyx_memoryview_thread_locks_used += 1
+ *             if self.lock is NULL:             # <<<<<<<<<<<<<<
+ *                 self.lock = PyThread_allocate_lock()
+ *                 if self.lock is NULL:
+ */
+    __pyx_t_1 = (__pyx_v_self->lock == NULL);
+    if (__pyx_t_1) {
+
+      /* "View.MemoryView":364
+ *                 __pyx_memoryview_thread_locks_used += 1
  *             if self.lock is NULL:
+ *                 self.lock = PyThread_allocate_lock()             # <<<<<<<<<<<<<<
+ *                 if self.lock is NULL:
+ *                     raise MemoryError
  */
-  __pyx_t_1 = ((__pyx_v_self->lock == NULL) != 0);
-  if (__pyx_t_1) {
+      __pyx_v_self->lock = PyThread_allocate_lock();
 
-    /* "View.MemoryView":359
- *             __pyx_memoryview_thread_locks_used += 1
- *         if self.lock is NULL:
- *             self.lock = PyThread_allocate_lock()             # <<<<<<<<<<<<<<
+      /* "View.MemoryView":365
  *             if self.lock is NULL:
- *                 raise MemoryError
+ *                 self.lock = PyThread_allocate_lock()
+ *                 if self.lock is NULL:             # <<<<<<<<<<<<<<
+ *                     raise MemoryError
+ * 
  */
-    __pyx_v_self->lock = PyThread_allocate_lock();
+      __pyx_t_1 = (__pyx_v_self->lock == NULL);
+      if (unlikely(__pyx_t_1)) {
 
-    /* "View.MemoryView":360
- *         if self.lock is NULL:
- *             self.lock = PyThread_allocate_lock()
- *             if self.lock is NULL:             # <<<<<<<<<<<<<<
- *                 raise MemoryError
+        /* "View.MemoryView":366
+ *                 self.lock = PyThread_allocate_lock()
+ *                 if self.lock is NULL:
+ *                     raise MemoryError             # <<<<<<<<<<<<<<
  * 
+ *         if flags & PyBUF_FORMAT:
  */
-    __pyx_t_1 = ((__pyx_v_self->lock == NULL) != 0);
-    if (unlikely(__pyx_t_1)) {
+        PyErr_NoMemory(); __PYX_ERR(1, 366, __pyx_L1_error)
 
-      /* "View.MemoryView":361
- *             self.lock = PyThread_allocate_lock()
+        /* "View.MemoryView":365
  *             if self.lock is NULL:
- *                 raise MemoryError             # <<<<<<<<<<<<<<
+ *                 self.lock = PyThread_allocate_lock()
+ *                 if self.lock is NULL:             # <<<<<<<<<<<<<<
+ *                     raise MemoryError
  * 
- *         if flags & PyBUF_FORMAT:
  */
-      PyErr_NoMemory(); __PYX_ERR(1, 361, __pyx_L1_error)
+      }
 
-      /* "View.MemoryView":360
- *         if self.lock is NULL:
- *             self.lock = PyThread_allocate_lock()
+      /* "View.MemoryView":363
+ *                 self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
+ *                 __pyx_memoryview_thread_locks_used += 1
  *             if self.lock is NULL:             # <<<<<<<<<<<<<<
- *                 raise MemoryError
- * 
+ *                 self.lock = PyThread_allocate_lock()
+ *                 if self.lock is NULL:
  */
     }
 
     /* "View.MemoryView":358
- *             self.lock = __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]
- *             __pyx_memoryview_thread_locks_used += 1
- *         if self.lock is NULL:             # <<<<<<<<<<<<<<
- *             self.lock = PyThread_allocate_lock()
- *             if self.lock is NULL:
+ *                 Py_INCREF(Py_None)
+ * 
+ *         if not __PYX_CYTHON_ATOMICS_ENABLED():             # <<<<<<<<<<<<<<
+ *             global __pyx_memoryview_thread_locks_used
+ *             if __pyx_memoryview_thread_locks_used < 8:
  */
   }
 
-  /* "View.MemoryView":363
- *                 raise MemoryError
+  /* "View.MemoryView":368
+ *                     raise MemoryError
  * 
  *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
  *             self.dtype_is_object = (self.view.format[0] == b'O' and self.view.format[1] == b'\0')
@@ -4995,65 +6758,81 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview___cinit_
   __pyx_t_1 = ((__pyx_v_flags & PyBUF_FORMAT) != 0);
   if (__pyx_t_1) {
 
-    /* "View.MemoryView":364
+    /* "View.MemoryView":369
  * 
  *         if flags & PyBUF_FORMAT:
  *             self.dtype_is_object = (self.view.format[0] == b'O' and self.view.format[1] == b'\0')             # <<<<<<<<<<<<<<
  *         else:
  *             self.dtype_is_object = dtype_is_object
  */
-    __pyx_t_2 = (((__pyx_v_self->view.format[0]) == 'O') != 0);
+    __pyx_t_2 = ((__pyx_v_self->view.format[0]) == 'O');
     if (__pyx_t_2) {
     } else {
       __pyx_t_1 = __pyx_t_2;
-      goto __pyx_L11_bool_binop_done;
+      goto __pyx_L12_bool_binop_done;
     }
-    __pyx_t_2 = (((__pyx_v_self->view.format[1]) == '\x00') != 0);
+    __pyx_t_2 = ((__pyx_v_self->view.format[1]) == '\x00');
     __pyx_t_1 = __pyx_t_2;
-    __pyx_L11_bool_binop_done:;
+    __pyx_L12_bool_binop_done:;
     __pyx_v_self->dtype_is_object = __pyx_t_1;
 
-    /* "View.MemoryView":363
- *                 raise MemoryError
+    /* "View.MemoryView":368
+ *                     raise MemoryError
  * 
  *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
  *             self.dtype_is_object = (self.view.format[0] == b'O' and self.view.format[1] == b'\0')
  *         else:
  */
-    goto __pyx_L10;
+    goto __pyx_L11;
   }
 
-  /* "View.MemoryView":366
+  /* "View.MemoryView":371
  *             self.dtype_is_object = (self.view.format[0] == b'O' and self.view.format[1] == b'\0')
  *         else:
  *             self.dtype_is_object = dtype_is_object             # <<<<<<<<<<<<<<
  * 
- *         self.acquisition_count_aligned_p = <__pyx_atomic_int *> align_pointer(
+ *         assert <Py_intptr_t><void*>(&self.acquisition_count) % sizeof(__pyx_atomic_int_type) == 0
  */
   /*else*/ {
     __pyx_v_self->dtype_is_object = __pyx_v_dtype_is_object;
   }
-  __pyx_L10:;
+  __pyx_L11:;
 
-  /* "View.MemoryView":368
+  /* "View.MemoryView":373
  *             self.dtype_is_object = dtype_is_object
  * 
- *         self.acquisition_count_aligned_p = <__pyx_atomic_int *> align_pointer(             # <<<<<<<<<<<<<<
- *                   <void *> &self.acquisition_count[0], sizeof(__pyx_atomic_int))
+ *         assert <Py_intptr_t><void*>(&self.acquisition_count) % sizeof(__pyx_atomic_int_type) == 0             # <<<<<<<<<<<<<<
  *         self.typeinfo = NULL
+ * 
  */
-  __pyx_v_self->acquisition_count_aligned_p = ((__pyx_atomic_int *)__pyx_align_pointer(((void *)(&(__pyx_v_self->acquisition_count[0]))), (sizeof(__pyx_atomic_int))));
+  #ifndef CYTHON_WITHOUT_ASSERTIONS
+  if (unlikely(__pyx_assertions_enabled())) {
+    __pyx_t_4 = ((Py_intptr_t)((void *)(&__pyx_v_self->acquisition_count)));
+    __pyx_t_5 = (sizeof(__pyx_atomic_int_type));
+    if (unlikely(__pyx_t_5 == 0)) {
+      PyErr_SetString(PyExc_ZeroDivisionError, "integer division or modulo by zero");
+      __PYX_ERR(1, 373, __pyx_L1_error)
+    }
+    __pyx_t_1 = ((__pyx_t_4 % __pyx_t_5) == 0);
+    if (unlikely(!__pyx_t_1)) {
+      __Pyx_Raise(__pyx_builtin_AssertionError, 0, 0, 0);
+      __PYX_ERR(1, 373, __pyx_L1_error)
+    }
+  }
+  #else
+  if ((1)); else __PYX_ERR(1, 373, __pyx_L1_error)
+  #endif
 
-  /* "View.MemoryView":370
- *         self.acquisition_count_aligned_p = <__pyx_atomic_int *> align_pointer(
- *                   <void *> &self.acquisition_count[0], sizeof(__pyx_atomic_int))
+  /* "View.MemoryView":374
+ * 
+ *         assert <Py_intptr_t><void*>(&self.acquisition_count) % sizeof(__pyx_atomic_int_type) == 0
  *         self.typeinfo = NULL             # <<<<<<<<<<<<<<
  * 
  *     def __dealloc__(memoryview self):
  */
   __pyx_v_self->typeinfo = NULL;
 
-  /* "View.MemoryView":345
+  /* "View.MemoryView":349
  *     cdef __Pyx_TypeInfo *typeinfo
  * 
  *     def __cinit__(memoryview self, object obj, int flags, bint dtype_is_object=False):             # <<<<<<<<<<<<<<
@@ -5072,7 +6851,7 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview___cinit_
   return __pyx_r;
 }
 
-/* "View.MemoryView":372
+/* "View.MemoryView":376
  *         self.typeinfo = NULL
  * 
  *     def __dealloc__(memoryview self):             # <<<<<<<<<<<<<<
@@ -5083,8 +6862,10 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview___cinit_
 /* Python wrapper */
 static void __pyx_memoryview___dealloc__(PyObject *__pyx_v_self); /*proto*/
 static void __pyx_memoryview___dealloc__(PyObject *__pyx_v_self) {
+  CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__ (wrapper)", 0);
+  __pyx_kwvalues = __Pyx_KwValues_VARARGS(__pyx_args, __pyx_nargs);
   __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__dealloc__(((struct __pyx_memoryview_obj *)__pyx_v_self));
 
   /* function exit code */
@@ -5093,17 +6874,14 @@ static void __pyx_memoryview___dealloc__(PyObject *__pyx_v_self) {
 
 static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__dealloc__(struct __pyx_memoryview_obj *__pyx_v_self) {
   int __pyx_v_i;
-  __Pyx_RefNannyDeclarations
   int __pyx_t_1;
   int __pyx_t_2;
   int __pyx_t_3;
   int __pyx_t_4;
-  int __pyx_t_5;
+  PyThread_type_lock __pyx_t_5;
   PyThread_type_lock __pyx_t_6;
-  PyThread_type_lock __pyx_t_7;
-  __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "View.MemoryView":373
+  /* "View.MemoryView":377
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  *     def __dealloc__(memoryview self):
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@@ -5111,10 +6889,9 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
  *         elif (<__pyx_buffer *> &self.view).obj == Py_None:
  */
   __pyx_t_1 = (__pyx_v_self->obj != Py_None);
-  __pyx_t_2 = (__pyx_t_1 != 0);
-  if (__pyx_t_2) {
+  if (__pyx_t_1) {
 
-    /* "View.MemoryView":374
+    /* "View.MemoryView":378
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  *             __Pyx_ReleaseBuffer(&self.view)             # <<<<<<<<<<<<<<
@@ -5123,7 +6900,7 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
  */
     __Pyx_ReleaseBuffer((&__pyx_v_self->view));
 
-    /* "View.MemoryView":373
+    /* "View.MemoryView":377
  * 
  *     def __dealloc__(memoryview self):
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@@ -5133,17 +6910,17 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
     goto __pyx_L3;
   }
 
-  /* "View.MemoryView":375
+  /* "View.MemoryView":379
  *         if self.obj is not None:
  *             __Pyx_ReleaseBuffer(&self.view)
  *         elif (<__pyx_buffer *> &self.view).obj == Py_None:             # <<<<<<<<<<<<<<
  * 
  *             (<__pyx_buffer *> &self.view).obj = NULL
  */
-  __pyx_t_2 = ((((Py_buffer *)(&__pyx_v_self->view))->obj == Py_None) != 0);
-  if (__pyx_t_2) {
+  __pyx_t_1 = (((Py_buffer *)(&__pyx_v_self->view))->obj == Py_None);
+  if (__pyx_t_1) {
 
-    /* "View.MemoryView":377
+    /* "View.MemoryView":381
  *         elif (<__pyx_buffer *> &self.view).obj == Py_None:
  * 
  *             (<__pyx_buffer *> &self.view).obj = NULL             # <<<<<<<<<<<<<<
@@ -5152,7 +6929,7 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
  */
     ((Py_buffer *)(&__pyx_v_self->view))->obj = NULL;
 
-    /* "View.MemoryView":378
+    /* "View.MemoryView":382
  * 
  *             (<__pyx_buffer *> &self.view).obj = NULL
  *             Py_DECREF(Py_None)             # <<<<<<<<<<<<<<
@@ -5161,7 +6938,7 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
  */
     Py_DECREF(Py_None);
 
-    /* "View.MemoryView":375
+    /* "View.MemoryView":379
  *         if self.obj is not None:
  *             __Pyx_ReleaseBuffer(&self.view)
  *         elif (<__pyx_buffer *> &self.view).obj == Py_None:             # <<<<<<<<<<<<<<
@@ -5171,39 +6948,39 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
   }
   __pyx_L3:;
 
-  /* "View.MemoryView":382
+  /* "View.MemoryView":386
  *         cdef int i
  *         global __pyx_memoryview_thread_locks_used
  *         if self.lock != NULL:             # <<<<<<<<<<<<<<
  *             for i in range(__pyx_memoryview_thread_locks_used):
  *                 if __pyx_memoryview_thread_locks[i] is self.lock:
  */
-  __pyx_t_2 = ((__pyx_v_self->lock != NULL) != 0);
-  if (__pyx_t_2) {
+  __pyx_t_1 = (__pyx_v_self->lock != NULL);
+  if (__pyx_t_1) {
 
-    /* "View.MemoryView":383
+    /* "View.MemoryView":387
  *         global __pyx_memoryview_thread_locks_used
  *         if self.lock != NULL:
  *             for i in range(__pyx_memoryview_thread_locks_used):             # <<<<<<<<<<<<<<
  *                 if __pyx_memoryview_thread_locks[i] is self.lock:
  *                     __pyx_memoryview_thread_locks_used -= 1
  */
-    __pyx_t_3 = __pyx_memoryview_thread_locks_used;
-    __pyx_t_4 = __pyx_t_3;
-    for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
-      __pyx_v_i = __pyx_t_5;
+    __pyx_t_2 = __pyx_memoryview_thread_locks_used;
+    __pyx_t_3 = __pyx_t_2;
+    for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
+      __pyx_v_i = __pyx_t_4;
 
-      /* "View.MemoryView":384
+      /* "View.MemoryView":388
  *         if self.lock != NULL:
  *             for i in range(__pyx_memoryview_thread_locks_used):
  *                 if __pyx_memoryview_thread_locks[i] is self.lock:             # <<<<<<<<<<<<<<
  *                     __pyx_memoryview_thread_locks_used -= 1
  *                     if i != __pyx_memoryview_thread_locks_used:
  */
-      __pyx_t_2 = (((__pyx_memoryview_thread_locks[__pyx_v_i]) == __pyx_v_self->lock) != 0);
-      if (__pyx_t_2) {
+      __pyx_t_1 = ((__pyx_memoryview_thread_locks[__pyx_v_i]) == __pyx_v_self->lock);
+      if (__pyx_t_1) {
 
-        /* "View.MemoryView":385
+        /* "View.MemoryView":389
  *             for i in range(__pyx_memoryview_thread_locks_used):
  *                 if __pyx_memoryview_thread_locks[i] is self.lock:
  *                     __pyx_memoryview_thread_locks_used -= 1             # <<<<<<<<<<<<<<
@@ -5212,37 +6989,37 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
  */
         __pyx_memoryview_thread_locks_used = (__pyx_memoryview_thread_locks_used - 1);
 
-        /* "View.MemoryView":386
+        /* "View.MemoryView":390
  *                 if __pyx_memoryview_thread_locks[i] is self.lock:
  *                     __pyx_memoryview_thread_locks_used -= 1
  *                     if i != __pyx_memoryview_thread_locks_used:             # <<<<<<<<<<<<<<
  *                         __pyx_memoryview_thread_locks[i], __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used] = (
  *                             __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used], __pyx_memoryview_thread_locks[i])
  */
-        __pyx_t_2 = ((__pyx_v_i != __pyx_memoryview_thread_locks_used) != 0);
-        if (__pyx_t_2) {
+        __pyx_t_1 = (__pyx_v_i != __pyx_memoryview_thread_locks_used);
+        if (__pyx_t_1) {
 
-          /* "View.MemoryView":388
+          /* "View.MemoryView":392
  *                     if i != __pyx_memoryview_thread_locks_used:
  *                         __pyx_memoryview_thread_locks[i], __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used] = (
  *                             __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used], __pyx_memoryview_thread_locks[i])             # <<<<<<<<<<<<<<
  *                     break
  *             else:
  */
-          __pyx_t_6 = (__pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]);
-          __pyx_t_7 = (__pyx_memoryview_thread_locks[__pyx_v_i]);
+          __pyx_t_5 = (__pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]);
+          __pyx_t_6 = (__pyx_memoryview_thread_locks[__pyx_v_i]);
 
-          /* "View.MemoryView":387
+          /* "View.MemoryView":391
  *                     __pyx_memoryview_thread_locks_used -= 1
  *                     if i != __pyx_memoryview_thread_locks_used:
  *                         __pyx_memoryview_thread_locks[i], __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used] = (             # <<<<<<<<<<<<<<
  *                             __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used], __pyx_memoryview_thread_locks[i])
  *                     break
  */
-          (__pyx_memoryview_thread_locks[__pyx_v_i]) = __pyx_t_6;
-          (__pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]) = __pyx_t_7;
+          (__pyx_memoryview_thread_locks[__pyx_v_i]) = __pyx_t_5;
+          (__pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used]) = __pyx_t_6;
 
-          /* "View.MemoryView":386
+          /* "View.MemoryView":390
  *                 if __pyx_memoryview_thread_locks[i] is self.lock:
  *                     __pyx_memoryview_thread_locks_used -= 1
  *                     if i != __pyx_memoryview_thread_locks_used:             # <<<<<<<<<<<<<<
@@ -5251,7 +7028,7 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
  */
         }
 
-        /* "View.MemoryView":389
+        /* "View.MemoryView":393
  *                         __pyx_memoryview_thread_locks[i], __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used] = (
  *                             __pyx_memoryview_thread_locks[__pyx_memoryview_thread_locks_used], __pyx_memoryview_thread_locks[i])
  *                     break             # <<<<<<<<<<<<<<
@@ -5260,7 +7037,7 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
  */
         goto __pyx_L6_break;
 
-        /* "View.MemoryView":384
+        /* "View.MemoryView":388
  *         if self.lock != NULL:
  *             for i in range(__pyx_memoryview_thread_locks_used):
  *                 if __pyx_memoryview_thread_locks[i] is self.lock:             # <<<<<<<<<<<<<<
@@ -5271,7 +7048,7 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
     }
     /*else*/ {
 
-      /* "View.MemoryView":391
+      /* "View.MemoryView":395
  *                     break
  *             else:
  *                 PyThread_free_lock(self.lock)             # <<<<<<<<<<<<<<
@@ -5282,7 +7059,7 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
     }
     __pyx_L6_break:;
 
-    /* "View.MemoryView":382
+    /* "View.MemoryView":386
  *         cdef int i
  *         global __pyx_memoryview_thread_locks_used
  *         if self.lock != NULL:             # <<<<<<<<<<<<<<
@@ -5291,7 +7068,7 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
  */
   }
 
-  /* "View.MemoryView":372
+  /* "View.MemoryView":376
  *         self.typeinfo = NULL
  * 
  *     def __dealloc__(memoryview self):             # <<<<<<<<<<<<<<
@@ -5300,10 +7077,9 @@ static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__deal
  */
 
   /* function exit code */
-  __Pyx_RefNannyFinishContext();
 }
 
-/* "View.MemoryView":393
+/* "View.MemoryView":397
  *                 PyThread_free_lock(self.lock)
  * 
  *     cdef char *get_item_pointer(memoryview self, object index) except NULL:             # <<<<<<<<<<<<<<
@@ -5327,9 +7103,9 @@ static char *__pyx_memoryview_get_item_pointer(struct __pyx_memoryview_obj *__py
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("get_item_pointer", 0);
+  __Pyx_RefNannySetupContext("get_item_pointer", 1);
 
-  /* "View.MemoryView":395
+  /* "View.MemoryView":399
  *     cdef char *get_item_pointer(memoryview self, object index) except NULL:
  *         cdef Py_ssize_t dim
  *         cdef char *itemp = <char *> self.view.buf             # <<<<<<<<<<<<<<
@@ -5338,7 +7114,7 @@ static char *__pyx_memoryview_get_item_pointer(struct __pyx_memoryview_obj *__py
  */
   __pyx_v_itemp = ((char *)__pyx_v_self->view.buf);
 
-  /* "View.MemoryView":397
+  /* "View.MemoryView":401
  *         cdef char *itemp = <char *> self.view.buf
  * 
  *         for dim, idx in enumerate(index):             # <<<<<<<<<<<<<<
@@ -5347,29 +7123,42 @@ static char *__pyx_memoryview_get_item_pointer(struct __pyx_memoryview_obj *__py
  */
   __pyx_t_1 = 0;
   if (likely(PyList_CheckExact(__pyx_v_index)) || PyTuple_CheckExact(__pyx_v_index)) {
-    __pyx_t_2 = __pyx_v_index; __Pyx_INCREF(__pyx_t_2); __pyx_t_3 = 0;
+    __pyx_t_2 = __pyx_v_index; __Pyx_INCREF(__pyx_t_2);
+    __pyx_t_3 = 0;
     __pyx_t_4 = NULL;
   } else {
-    __pyx_t_3 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_v_index); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 397, __pyx_L1_error)
+    __pyx_t_3 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_v_index); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 401, __pyx_L1_error)
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-    __pyx_t_4 = Py_TYPE(__pyx_t_2)->tp_iternext; if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 397, __pyx_L1_error)
+    __pyx_t_4 = __Pyx_PyObject_GetIterNextFunc(__pyx_t_2); if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 401, __pyx_L1_error)
   }
   for (;;) {
     if (likely(!__pyx_t_4)) {
       if (likely(PyList_CheckExact(__pyx_t_2))) {
-        if (__pyx_t_3 >= PyList_GET_SIZE(__pyx_t_2)) break;
+        {
+          Py_ssize_t __pyx_temp = __Pyx_PyList_GET_SIZE(__pyx_t_2);
+          #if !CYTHON_ASSUME_SAFE_MACROS
+          if (unlikely((__pyx_temp < 0))) __PYX_ERR(1, 401, __pyx_L1_error)
+          #endif
+          if (__pyx_t_3 >= __pyx_temp) break;
+        }
         #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-        __pyx_t_5 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_5); __pyx_t_3++; if (unlikely(0 < 0)) __PYX_ERR(1, 397, __pyx_L1_error)
+        __pyx_t_5 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_5); __pyx_t_3++; if (unlikely((0 < 0))) __PYX_ERR(1, 401, __pyx_L1_error)
         #else
-        __pyx_t_5 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 397, __pyx_L1_error)
+        __pyx_t_5 = __Pyx_PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 401, __pyx_L1_error)
         __Pyx_GOTREF(__pyx_t_5);
         #endif
       } else {
-        if (__pyx_t_3 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
+        {
+          Py_ssize_t __pyx_temp = __Pyx_PyTuple_GET_SIZE(__pyx_t_2);
+          #if !CYTHON_ASSUME_SAFE_MACROS
+          if (unlikely((__pyx_temp < 0))) __PYX_ERR(1, 401, __pyx_L1_error)
+          #endif
+          if (__pyx_t_3 >= __pyx_temp) break;
+        }
         #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-        __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_5); __pyx_t_3++; if (unlikely(0 < 0)) __PYX_ERR(1, 397, __pyx_L1_error)
+        __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_5); __pyx_t_3++; if (unlikely((0 < 0))) __PYX_ERR(1, 401, __pyx_L1_error)
         #else
-        __pyx_t_5 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 397, __pyx_L1_error)
+        __pyx_t_5 = __Pyx_PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 401, __pyx_L1_error)
         __Pyx_GOTREF(__pyx_t_5);
         #endif
       }
@@ -5379,7 +7168,7 @@ static char *__pyx_memoryview_get_item_pointer(struct __pyx_memoryview_obj *__py
         PyObject* exc_type = PyErr_Occurred();
         if (exc_type) {
           if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
-          else __PYX_ERR(1, 397, __pyx_L1_error)
+          else __PYX_ERR(1, 401, __pyx_L1_error)
         }
         break;
       }
@@ -5390,18 +7179,18 @@ static char *__pyx_memoryview_get_item_pointer(struct __pyx_memoryview_obj *__py
     __pyx_v_dim = __pyx_t_1;
     __pyx_t_1 = (__pyx_t_1 + 1);
 
-    /* "View.MemoryView":398
+    /* "View.MemoryView":402
  * 
  *         for dim, idx in enumerate(index):
  *             itemp = pybuffer_index(&self.view, itemp, idx, dim)             # <<<<<<<<<<<<<<
  * 
  *         return itemp
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-    __pyx_t_6 = __Pyx_PyIndex_AsSsize_t(__pyx_v_idx); if (unlikely((__pyx_t_6 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(1, 398, __pyx_L1_error)
-    __pyx_t_7 = __pyx_pybuffer_index((&__pyx_v_self->view), __pyx_v_itemp, __pyx_t_6, __pyx_v_dim); if (unlikely(__pyx_t_7 == ((char *)NULL))) __PYX_ERR(1, 398, __pyx_L1_error)
+    __pyx_t_6 = __Pyx_PyIndex_AsSsize_t(__pyx_v_idx); if (unlikely((__pyx_t_6 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(1, 402, __pyx_L1_error)
+    __pyx_t_7 = __pyx_pybuffer_index((&__pyx_v_self->view), __pyx_v_itemp, __pyx_t_6, __pyx_v_dim); if (unlikely(__pyx_t_7 == ((char *)NULL))) __PYX_ERR(1, 402, __pyx_L1_error)
     __pyx_v_itemp = __pyx_t_7;
 
-    /* "View.MemoryView":397
+    /* "View.MemoryView":401
  *         cdef char *itemp = <char *> self.view.buf
  * 
  *         for dim, idx in enumerate(index):             # <<<<<<<<<<<<<<
@@ -5411,7 +7200,7 @@ static char *__pyx_memoryview_get_item_pointer(struct __pyx_memoryview_obj *__py
   }
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "View.MemoryView":400
+  /* "View.MemoryView":404
  *             itemp = pybuffer_index(&self.view, itemp, idx, dim)
  * 
  *         return itemp             # <<<<<<<<<<<<<<
@@ -5421,7 +7210,7 @@ static char *__pyx_memoryview_get_item_pointer(struct __pyx_memoryview_obj *__py
   __pyx_r = __pyx_v_itemp;
   goto __pyx_L0;
 
-  /* "View.MemoryView":393
+  /* "View.MemoryView":397
  *                 PyThread_free_lock(self.lock)
  * 
  *     cdef char *get_item_pointer(memoryview self, object index) except NULL:             # <<<<<<<<<<<<<<
@@ -5441,7 +7230,7 @@ static char *__pyx_memoryview_get_item_pointer(struct __pyx_memoryview_obj *__py
   return __pyx_r;
 }
 
-/* "View.MemoryView":403
+/* "View.MemoryView":407
  * 
  * 
  *     def __getitem__(memoryview self, object index):             # <<<<<<<<<<<<<<
@@ -5452,9 +7241,11 @@ static char *__pyx_memoryview_get_item_pointer(struct __pyx_memoryview_obj *__py
 /* Python wrapper */
 static PyObject *__pyx_memoryview___getitem__(PyObject *__pyx_v_self, PyObject *__pyx_v_index); /*proto*/
 static PyObject *__pyx_memoryview___getitem__(PyObject *__pyx_v_self, PyObject *__pyx_v_index) {
+  CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__getitem__ (wrapper)", 0);
+  __pyx_kwvalues = __Pyx_KwValues_VARARGS(__pyx_args, __pyx_nargs);
   __pyx_r = __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_4__getitem__(((struct __pyx_memoryview_obj *)__pyx_v_self), ((PyObject *)__pyx_v_index));
 
   /* function exit code */
@@ -5469,17 +7260,16 @@ static PyObject *__pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_4_
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
-  int __pyx_t_2;
+  PyObject *__pyx_t_2 = NULL;
   PyObject *__pyx_t_3 = NULL;
   PyObject *__pyx_t_4 = NULL;
-  PyObject *__pyx_t_5 = NULL;
-  char *__pyx_t_6;
+  char *__pyx_t_5;
   int __pyx_lineno = 0;
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-    /* "View.MemoryView":422
+    /* "View.MemoryView":426
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@@ -5819,7 +7606,7 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_6__setit
     goto __pyx_L4;
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+  /* "View.MemoryView":433
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-  /* "View.MemoryView":416
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  *         if self.view.readonly:
- *             raise TypeError("Cannot assign to read-only memoryview")
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+  __Pyx_XDECREF(__pyx_t_1);
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 }
 
-/* "View.MemoryView":431
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-  /* "View.MemoryView":432
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@@ -5892,10 +7679,10 @@ static PyObject *__pyx_memoryview_is_slice(struct __pyx_memoryview_obj *__pyx_v_
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   __pyx_t_1 = __Pyx_TypeCheck(__pyx_v_obj, __pyx_memoryview_type); 
-  __pyx_t_2 = ((!(__pyx_t_1 != 0)) != 0);
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-    /* "View.MemoryView":433
+    /* "View.MemoryView":437
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@@ -5911,51 +7698,51 @@ static PyObject *__pyx_memoryview_is_slice(struct __pyx_memoryview_obj *__pyx_v_
       __Pyx_XGOTREF(__pyx_t_5);
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-        /* "View.MemoryView":434
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-        /* "View.MemoryView":435
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@@ -5972,7 +7759,7 @@ static PyObject *__pyx_memoryview_is_slice(struct __pyx_memoryview_obj *__pyx_v_
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-      /* "View.MemoryView":436
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@@ -5982,12 +7769,12 @@ static PyObject *__pyx_memoryview_is_slice(struct __pyx_memoryview_obj *__pyx_v_
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-        __Pyx_GOTREF(__pyx_t_8);
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-      /* "View.MemoryView":433
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  *                 obj = memoryview(obj, self.flags & ~PyBUF_WRITABLE | PyBUF_ANY_CONTIGUOUS,
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-    /* "View.MemoryView":432
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-  /* "View.MemoryView":439
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-  /* "View.MemoryView":431
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 }
 
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  * 
  *     cdef setitem_slice_assignment(self, dst, src):             # <<<<<<<<<<<<<<
@@ -6149,7 +7931,7 @@ static PyObject *__pyx_memoryview_setitem_slice_assignment(struct __pyx_memoryvi
   __pyx_r = Py_None; __Pyx_INCREF(Py_None);
   goto __pyx_L0;
   __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_2);
   __Pyx_AddTraceback("View.MemoryView.memoryview.setitem_slice_assignment", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
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@@ -6158,8 +7940,8 @@ static PyObject *__pyx_memoryview_setitem_slice_assignment(struct __pyx_memoryvi
   return __pyx_r;
 }
 
-/* "View.MemoryView":449
- *                                  src.ndim, dst.ndim, self.dtype_is_object)
+/* "View.MemoryView":453
+ *         memoryview_copy_contents(msrc, mdst, src.ndim, dst.ndim, self.dtype_is_object)
  * 
  *     cdef setitem_slice_assign_scalar(self, memoryview dst, value):             # <<<<<<<<<<<<<<
  *         cdef int array[128]
@@ -6189,9 +7971,9 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("setitem_slice_assign_scalar", 0);
+  __Pyx_RefNannySetupContext("setitem_slice_assign_scalar", 1);
 
-  /* "View.MemoryView":451
+  /* "View.MemoryView":455
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@@ -6200,27 +7982,27 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
  */
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-  /* "View.MemoryView":456
+  /* "View.MemoryView":460
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  * 
  *         if <size_t>self.view.itemsize > sizeof(array):
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-  __pyx_t_1 = __pyx_memoryview_get_slice_from_memoryview(__pyx_v_dst, (&__pyx_v_tmp_slice)); if (unlikely(__pyx_t_1 == ((__Pyx_memviewslice *)NULL))) __PYX_ERR(1, 456, __pyx_L1_error)
+  __pyx_t_1 = __pyx_memoryview_get_slice_from_memoryview(__pyx_v_dst, (&__pyx_v_tmp_slice)); if (unlikely(__pyx_t_1 == ((__Pyx_memviewslice *)NULL))) __PYX_ERR(1, 460, __pyx_L1_error)
   __pyx_v_dst_slice = __pyx_t_1;
 
-  /* "View.MemoryView":458
+  /* "View.MemoryView":462
  *         dst_slice = get_slice_from_memview(dst, &tmp_slice)
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  *         if <size_t>self.view.itemsize > sizeof(array):             # <<<<<<<<<<<<<<
  *             tmp = PyMem_Malloc(self.view.itemsize)
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  */
-  __pyx_t_2 = ((((size_t)__pyx_v_self->view.itemsize) > (sizeof(__pyx_v_array))) != 0);
+  __pyx_t_2 = (((size_t)__pyx_v_self->view.itemsize) > (sizeof(__pyx_v_array)));
   if (__pyx_t_2) {
 
-    /* "View.MemoryView":459
+    /* "View.MemoryView":463
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  *         if <size_t>self.view.itemsize > sizeof(array):
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@@ -6229,26 +8011,26 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
  */
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-    /* "View.MemoryView":460
+    /* "View.MemoryView":464
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  *             item = tmp
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-    __pyx_t_2 = ((__pyx_v_tmp == NULL) != 0);
+    __pyx_t_2 = (__pyx_v_tmp == NULL);
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-      /* "View.MemoryView":461
+      /* "View.MemoryView":465
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-      PyErr_NoMemory(); __PYX_ERR(1, 461, __pyx_L1_error)
+      PyErr_NoMemory(); __PYX_ERR(1, 465, __pyx_L1_error)
 
-      /* "View.MemoryView":460
+      /* "View.MemoryView":464
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@@ -6257,7 +8039,7 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
  */
     }
 
-    /* "View.MemoryView":462
+    /* "View.MemoryView":466
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@@ -6266,7 +8048,7 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
  */
     __pyx_v_item = __pyx_v_tmp;
 
-    /* "View.MemoryView":458
+    /* "View.MemoryView":462
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  * 
  *         if <size_t>self.view.itemsize > sizeof(array):             # <<<<<<<<<<<<<<
@@ -6276,7 +8058,7 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
     goto __pyx_L3;
   }
 
-  /* "View.MemoryView":464
+  /* "View.MemoryView":468
  *             item = tmp
  *         else:
  *             item = <void *> array             # <<<<<<<<<<<<<<
@@ -6288,7 +8070,7 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
   }
   __pyx_L3:;
 
-  /* "View.MemoryView":466
+  /* "View.MemoryView":470
  *             item = <void *> array
  * 
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@@ -6297,17 +8079,16 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
  */
   /*try:*/ {
 
-    /* "View.MemoryView":467
+    /* "View.MemoryView":471
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  *         try:
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  *                 (<PyObject **> item)[0] = <PyObject *> value
  *             else:
  */
-    __pyx_t_2 = (__pyx_v_self->dtype_is_object != 0);
-    if (__pyx_t_2) {
+    if (__pyx_v_self->dtype_is_object) {
 
-      /* "View.MemoryView":468
+      /* "View.MemoryView":472
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@@ -6316,7 +8097,7 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
  */
       (((PyObject **)__pyx_v_item)[0]) = ((PyObject *)__pyx_v_value);
 
-      /* "View.MemoryView":467
+      /* "View.MemoryView":471
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@@ -6326,7 +8107,7 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
       goto __pyx_L8;
     }
 
-    /* "View.MemoryView":470
+    /* "View.MemoryView":474
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  *                 self.assign_item_from_object(<char *> item, value)             # <<<<<<<<<<<<<<
@@ -6334,34 +8115,32 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
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+      __pyx_t_3 = ((struct __pyx_vtabstruct_memoryview *)__pyx_v_self->__pyx_vtab)->assign_item_from_object(__pyx_v_self, ((char *)__pyx_v_item), __pyx_v_value); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 474, __pyx_L6_error)
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-    /* "View.MemoryView":474
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  * 
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  */
-    __pyx_t_2 = ((__pyx_v_self->view.suboffsets != NULL) != 0);
+    __pyx_t_2 = (__pyx_v_self->view.suboffsets != NULL);
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-      /* "View.MemoryView":475
+      /* "View.MemoryView":479
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-      __Pyx_GOTREF(__pyx_t_3);
-      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_4 = assert_direct_dimensions(__pyx_v_self->view.suboffsets, __pyx_v_self->view.ndim); if (unlikely(__pyx_t_4 == ((int)-1))) __PYX_ERR(1, 479, __pyx_L6_error)
 
-      /* "View.MemoryView":474
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@@ -6370,7 +8149,7 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
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-    /* "View.MemoryView":476
+    /* "View.MemoryView":480
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@@ -6380,7 +8159,7 @@ static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memor
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-  /* "View.MemoryView":479
+  /* "View.MemoryView":483
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-  /* "View.MemoryView":449
- *                                  src.ndim, dst.ndim, self.dtype_is_object)
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  *     cdef setitem_slice_assign_scalar(self, memoryview dst, value):             # <<<<<<<<<<<<<<
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 }
 
-/* "View.MemoryView":481
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-  /* "View.MemoryView":483
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+  __pyx_t_2 = ((struct __pyx_vtabstruct_memoryview *)__pyx_v_self->__pyx_vtab)->assign_item_from_object(__pyx_v_self, __pyx_v_itemp, __pyx_v_value); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 487, __pyx_L1_error)
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-  /* "View.MemoryView":481
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  *     cdef setitem_indexed(self, index, value):             # <<<<<<<<<<<<<<
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 }
 
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-  PyObject *__pyx_t_9 = NULL;
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-  /* "View.MemoryView":491
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@@ -6602,45 +8381,20 @@ static PyObject *__pyx_memoryview_convert_item_to_object(struct __pyx_memoryview
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  *         for i, c in enumerate(bytesvalue):             # <<<<<<<<<<<<<<
  *             itemp[i] = c
  * 
  */
-  __pyx_t_9 = 0;
+  __pyx_t_7 = 0;
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     PyErr_SetString(PyExc_TypeError, "'NoneType' is not iterable");
-    __PYX_ERR(1, 514, __pyx_L1_error)
+    __PYX_ERR(1, 518, __pyx_L1_error)
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-  __pyx_t_10 = __pyx_v_bytesvalue;
-  __pyx_t_12 = PyBytes_AS_STRING(__pyx_t_10);
-  __pyx_t_13 = (__pyx_t_12 + PyBytes_GET_SIZE(__pyx_t_10));
-  for (__pyx_t_14 = __pyx_t_12; __pyx_t_14 < __pyx_t_13; __pyx_t_14++) {
-    __pyx_t_11 = __pyx_t_14;
-    __pyx_v_c = (__pyx_t_11[0]);
+  __pyx_t_8 = __pyx_v_bytesvalue;
+  __pyx_t_10 = PyBytes_AS_STRING(__pyx_t_8);
+  __pyx_t_11 = (__pyx_t_10 + PyBytes_GET_SIZE(__pyx_t_8));
+  for (__pyx_t_12 = __pyx_t_10; __pyx_t_12 < __pyx_t_11; __pyx_t_12++) {
+    __pyx_t_9 = __pyx_t_12;
+    __pyx_v_c = (__pyx_t_9[0]);
 
-    /* "View.MemoryView":515
+    /* "View.MemoryView":519
  * 
  *         for i, c in enumerate(bytesvalue):
  *             itemp[i] = c             # <<<<<<<<<<<<<<
  * 
  *     @cname('getbuffer')
  */
-    __pyx_v_i = __pyx_t_9;
+    __pyx_v_i = __pyx_t_7;
 
-    /* "View.MemoryView":514
+    /* "View.MemoryView":518
  *             bytesvalue = struct.pack(self.view.format, value)
  * 
  *         for i, c in enumerate(bytesvalue):             # <<<<<<<<<<<<<<
  *             itemp[i] = c
  * 
  */
-    __pyx_t_9 = (__pyx_t_9 + 1);
+    __pyx_t_7 = (__pyx_t_7 + 1);
 
-    /* "View.MemoryView":515
+    /* "View.MemoryView":519
  * 
  *         for i, c in enumerate(bytesvalue):
  *             itemp[i] = c             # <<<<<<<<<<<<<<
@@ -6995,9 +8717,9 @@ static PyObject *__pyx_memoryview_assign_item_from_object(struct __pyx_memoryvie
  */
     (__pyx_v_itemp[__pyx_v_i]) = __pyx_v_c;
   }
-  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
 
-  /* "View.MemoryView":501
+  /* "View.MemoryView":505
  *             return result
  * 
  *     cdef assign_item_from_object(self, char *itemp, object value):             # <<<<<<<<<<<<<<
@@ -7010,11 +8732,10 @@ static PyObject *__pyx_memoryview_assign_item_from_object(struct __pyx_memoryvie
   goto __pyx_L0;
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_3);
   __Pyx_XDECREF(__pyx_t_4);
   __Pyx_XDECREF(__pyx_t_5);
-  __Pyx_XDECREF(__pyx_t_6);
   __Pyx_XDECREF(__pyx_t_8);
-  __Pyx_XDECREF(__pyx_t_10);
   __Pyx_AddTraceback("View.MemoryView.memoryview.assign_item_from_object", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
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@@ -7025,20 +8746,22 @@ static PyObject *__pyx_memoryview_assign_item_from_object(struct __pyx_memoryvie
   return __pyx_r;
 }
 
-/* "View.MemoryView":518
+/* "View.MemoryView":521
+ *             itemp[i] = c
  * 
- *     @cname('getbuffer')
- *     def __getbuffer__(self, Py_buffer *info, int flags):             # <<<<<<<<<<<<<<
+ *     @cname('getbuffer')             # <<<<<<<<<<<<<<
+ *     def __getbuffer__(self, Py_buffer *info, int flags):
  *         if flags & PyBUF_WRITABLE and self.view.readonly:
- *             raise ValueError("Cannot create writable memory view from read-only memoryview")
  */
 
 /* Python wrapper */
-static CYTHON_UNUSED int __pyx_memoryview_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
-static CYTHON_UNUSED int __pyx_memoryview_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
+CYTHON_UNUSED static int __pyx_memoryview_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
+CYTHON_UNUSED static int __pyx_memoryview_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
+  CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__getbuffer__ (wrapper)", 0);
+  __pyx_kwvalues = __Pyx_KwValues_VARARGS(__pyx_args, __pyx_nargs);
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@@ -7051,16 +8774,15 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
   int __pyx_t_2;
-  PyObject *__pyx_t_3 = NULL;
-  Py_ssize_t *__pyx_t_4;
-  char *__pyx_t_5;
-  void *__pyx_t_6;
-  int __pyx_t_7;
-  Py_ssize_t __pyx_t_8;
+  Py_ssize_t *__pyx_t_3;
+  char *__pyx_t_4;
+  void *__pyx_t_5;
+  int __pyx_t_6;
+  Py_ssize_t __pyx_t_7;
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  if (__pyx_v_info == NULL) {
+  if (unlikely(__pyx_v_info == NULL)) {
     PyErr_SetString(PyExc_BufferError, "PyObject_GetBuffer: view==NULL argument is obsolete");
     return -1;
   }
@@ -7068,11 +8790,11 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
   __pyx_v_info->obj = Py_None; __Pyx_INCREF(Py_None);
   __Pyx_GIVEREF(__pyx_v_info->obj);
 
-  /* "View.MemoryView":519
+  /* "View.MemoryView":523
  *     @cname('getbuffer')
  *     def __getbuffer__(self, Py_buffer *info, int flags):
  *         if flags & PyBUF_WRITABLE and self.view.readonly:             # <<<<<<<<<<<<<<
- *             raise ValueError("Cannot create writable memory view from read-only memoryview")
+ *             raise ValueError, "Cannot create writable memory view from read-only memoryview"
  * 
  */
   __pyx_t_2 = ((__pyx_v_flags & PyBUF_WRITABLE) != 0);
@@ -7081,35 +8803,31 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
     __pyx_t_1 = __pyx_t_2;
     goto __pyx_L4_bool_binop_done;
   }
-  __pyx_t_2 = (__pyx_v_self->view.readonly != 0);
-  __pyx_t_1 = __pyx_t_2;
+  __pyx_t_1 = __pyx_v_self->view.readonly;
   __pyx_L4_bool_binop_done:;
   if (unlikely(__pyx_t_1)) {
 
-    /* "View.MemoryView":520
+    /* "View.MemoryView":524
  *     def __getbuffer__(self, Py_buffer *info, int flags):
  *         if flags & PyBUF_WRITABLE and self.view.readonly:
- *             raise ValueError("Cannot create writable memory view from read-only memoryview")             # <<<<<<<<<<<<<<
+ *             raise ValueError, "Cannot create writable memory view from read-only memoryview"             # <<<<<<<<<<<<<<
  * 
  *         if flags & PyBUF_ND:
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-    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__10, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 520, __pyx_L1_error)
-    __Pyx_GOTREF(__pyx_t_3);
-    __Pyx_Raise(__pyx_t_3, 0, 0, 0);
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __PYX_ERR(1, 520, __pyx_L1_error)
+    __Pyx_Raise(__pyx_builtin_ValueError, __pyx_kp_s_Cannot_create_writable_memory_vi, 0, 0);
+    __PYX_ERR(1, 524, __pyx_L1_error)
 
-    /* "View.MemoryView":519
+    /* "View.MemoryView":523
  *     @cname('getbuffer')
  *     def __getbuffer__(self, Py_buffer *info, int flags):
  *         if flags & PyBUF_WRITABLE and self.view.readonly:             # <<<<<<<<<<<<<<
- *             raise ValueError("Cannot create writable memory view from read-only memoryview")
+ *             raise ValueError, "Cannot create writable memory view from read-only memoryview"
  * 
  */
   }
 
-  /* "View.MemoryView":522
- *             raise ValueError("Cannot create writable memory view from read-only memoryview")
+  /* "View.MemoryView":526
+ *             raise ValueError, "Cannot create writable memory view from read-only memoryview"
  * 
  *         if flags & PyBUF_ND:             # <<<<<<<<<<<<<<
  *             info.shape = self.view.shape
@@ -7118,18 +8836,18 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
   __pyx_t_1 = ((__pyx_v_flags & PyBUF_ND) != 0);
   if (__pyx_t_1) {
 
-    /* "View.MemoryView":523
+    /* "View.MemoryView":527
  * 
  *         if flags & PyBUF_ND:
  *             info.shape = self.view.shape             # <<<<<<<<<<<<<<
  *         else:
  *             info.shape = NULL
  */
-    __pyx_t_4 = __pyx_v_self->view.shape;
-    __pyx_v_info->shape = __pyx_t_4;
+    __pyx_t_3 = __pyx_v_self->view.shape;
+    __pyx_v_info->shape = __pyx_t_3;
 
-    /* "View.MemoryView":522
- *             raise ValueError("Cannot create writable memory view from read-only memoryview")
+    /* "View.MemoryView":526
+ *             raise ValueError, "Cannot create writable memory view from read-only memoryview"
  * 
  *         if flags & PyBUF_ND:             # <<<<<<<<<<<<<<
  *             info.shape = self.view.shape
@@ -7138,7 +8856,7 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
     goto __pyx_L6;
   }
 
-  /* "View.MemoryView":525
+  /* "View.MemoryView":529
  *             info.shape = self.view.shape
  *         else:
  *             info.shape = NULL             # <<<<<<<<<<<<<<
@@ -7150,7 +8868,7 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
   }
   __pyx_L6:;
 
-  /* "View.MemoryView":527
+  /* "View.MemoryView":531
  *             info.shape = NULL
  * 
  *         if flags & PyBUF_STRIDES:             # <<<<<<<<<<<<<<
@@ -7160,17 +8878,17 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
   __pyx_t_1 = ((__pyx_v_flags & PyBUF_STRIDES) != 0);
   if (__pyx_t_1) {
 
-    /* "View.MemoryView":528
+    /* "View.MemoryView":532
  * 
  *         if flags & PyBUF_STRIDES:
  *             info.strides = self.view.strides             # <<<<<<<<<<<<<<
  *         else:
  *             info.strides = NULL
  */
-    __pyx_t_4 = __pyx_v_self->view.strides;
-    __pyx_v_info->strides = __pyx_t_4;
+    __pyx_t_3 = __pyx_v_self->view.strides;
+    __pyx_v_info->strides = __pyx_t_3;
 
-    /* "View.MemoryView":527
+    /* "View.MemoryView":531
  *             info.shape = NULL
  * 
  *         if flags & PyBUF_STRIDES:             # <<<<<<<<<<<<<<
@@ -7180,7 +8898,7 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
     goto __pyx_L7;
   }
 
-  /* "View.MemoryView":530
+  /* "View.MemoryView":534
  *             info.strides = self.view.strides
  *         else:
  *             info.strides = NULL             # <<<<<<<<<<<<<<
@@ -7192,7 +8910,7 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
   }
   __pyx_L7:;
 
-  /* "View.MemoryView":532
+  /* "View.MemoryView":536
  *             info.strides = NULL
  * 
  *         if flags & PyBUF_INDIRECT:             # <<<<<<<<<<<<<<
@@ -7202,17 +8920,17 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
   __pyx_t_1 = ((__pyx_v_flags & PyBUF_INDIRECT) != 0);
   if (__pyx_t_1) {
 
-    /* "View.MemoryView":533
+    /* "View.MemoryView":537
  * 
  *         if flags & PyBUF_INDIRECT:
  *             info.suboffsets = self.view.suboffsets             # <<<<<<<<<<<<<<
  *         else:
  *             info.suboffsets = NULL
  */
-    __pyx_t_4 = __pyx_v_self->view.suboffsets;
-    __pyx_v_info->suboffsets = __pyx_t_4;
+    __pyx_t_3 = __pyx_v_self->view.suboffsets;
+    __pyx_v_info->suboffsets = __pyx_t_3;
 
-    /* "View.MemoryView":532
+    /* "View.MemoryView":536
  *             info.strides = NULL
  * 
  *         if flags & PyBUF_INDIRECT:             # <<<<<<<<<<<<<<
@@ -7222,7 +8940,7 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
     goto __pyx_L8;
   }
 
-  /* "View.MemoryView":535
+  /* "View.MemoryView":539
  *             info.suboffsets = self.view.suboffsets
  *         else:
  *             info.suboffsets = NULL             # <<<<<<<<<<<<<<
@@ -7234,7 +8952,7 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
   }
   __pyx_L8:;
 
-  /* "View.MemoryView":537
+  /* "View.MemoryView":541
  *             info.suboffsets = NULL
  * 
  *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
@@ -7244,17 +8962,17 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
   __pyx_t_1 = ((__pyx_v_flags & PyBUF_FORMAT) != 0);
   if (__pyx_t_1) {
 
-    /* "View.MemoryView":538
+    /* "View.MemoryView":542
  * 
  *         if flags & PyBUF_FORMAT:
  *             info.format = self.view.format             # <<<<<<<<<<<<<<
  *         else:
  *             info.format = NULL
  */
-    __pyx_t_5 = __pyx_v_self->view.format;
-    __pyx_v_info->format = __pyx_t_5;
+    __pyx_t_4 = __pyx_v_self->view.format;
+    __pyx_v_info->format = __pyx_t_4;
 
-    /* "View.MemoryView":537
+    /* "View.MemoryView":541
  *             info.suboffsets = NULL
  * 
  *         if flags & PyBUF_FORMAT:             # <<<<<<<<<<<<<<
@@ -7264,7 +8982,7 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
     goto __pyx_L9;
   }
 
-  /* "View.MemoryView":540
+  /* "View.MemoryView":544
  *             info.format = self.view.format
  *         else:
  *             info.format = NULL             # <<<<<<<<<<<<<<
@@ -7276,47 +8994,47 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
   }
   __pyx_L9:;
 
-  /* "View.MemoryView":542
+  /* "View.MemoryView":546
  *             info.format = NULL
  * 
  *         info.buf = self.view.buf             # <<<<<<<<<<<<<<
  *         info.ndim = self.view.ndim
  *         info.itemsize = self.view.itemsize
  */
-  __pyx_t_6 = __pyx_v_self->view.buf;
-  __pyx_v_info->buf = __pyx_t_6;
+  __pyx_t_5 = __pyx_v_self->view.buf;
+  __pyx_v_info->buf = __pyx_t_5;
 
-  /* "View.MemoryView":543
+  /* "View.MemoryView":547
  * 
  *         info.buf = self.view.buf
  *         info.ndim = self.view.ndim             # <<<<<<<<<<<<<<
  *         info.itemsize = self.view.itemsize
  *         info.len = self.view.len
  */
-  __pyx_t_7 = __pyx_v_self->view.ndim;
-  __pyx_v_info->ndim = __pyx_t_7;
+  __pyx_t_6 = __pyx_v_self->view.ndim;
+  __pyx_v_info->ndim = __pyx_t_6;
 
-  /* "View.MemoryView":544
+  /* "View.MemoryView":548
  *         info.buf = self.view.buf
  *         info.ndim = self.view.ndim
  *         info.itemsize = self.view.itemsize             # <<<<<<<<<<<<<<
  *         info.len = self.view.len
  *         info.readonly = self.view.readonly
  */
-  __pyx_t_8 = __pyx_v_self->view.itemsize;
-  __pyx_v_info->itemsize = __pyx_t_8;
+  __pyx_t_7 = __pyx_v_self->view.itemsize;
+  __pyx_v_info->itemsize = __pyx_t_7;
 
-  /* "View.MemoryView":545
+  /* "View.MemoryView":549
  *         info.ndim = self.view.ndim
  *         info.itemsize = self.view.itemsize
  *         info.len = self.view.len             # <<<<<<<<<<<<<<
  *         info.readonly = self.view.readonly
  *         info.obj = self
  */
-  __pyx_t_8 = __pyx_v_self->view.len;
-  __pyx_v_info->len = __pyx_t_8;
+  __pyx_t_7 = __pyx_v_self->view.len;
+  __pyx_v_info->len = __pyx_t_7;
 
-  /* "View.MemoryView":546
+  /* "View.MemoryView":550
  *         info.itemsize = self.view.itemsize
  *         info.len = self.view.len
  *         info.readonly = self.view.readonly             # <<<<<<<<<<<<<<
@@ -7326,32 +9044,31 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
   __pyx_t_1 = __pyx_v_self->view.readonly;
   __pyx_v_info->readonly = __pyx_t_1;
 
-  /* "View.MemoryView":547
+  /* "View.MemoryView":551
  *         info.len = self.view.len
  *         info.readonly = self.view.readonly
  *         info.obj = self             # <<<<<<<<<<<<<<
  * 
- *     __pyx_getbuffer = capsule(<void *> &__pyx_memoryview_getbuffer, "getbuffer(obj, view, flags)")
+ * 
  */
-  __Pyx_INCREF(((PyObject *)__pyx_v_self));
-  __Pyx_GIVEREF(((PyObject *)__pyx_v_self));
+  __Pyx_INCREF((PyObject *)__pyx_v_self);
+  __Pyx_GIVEREF((PyObject *)__pyx_v_self);
   __Pyx_GOTREF(__pyx_v_info->obj);
   __Pyx_DECREF(__pyx_v_info->obj);
   __pyx_v_info->obj = ((PyObject *)__pyx_v_self);
 
-  /* "View.MemoryView":518
+  /* "View.MemoryView":521
+ *             itemp[i] = c
  * 
- *     @cname('getbuffer')
- *     def __getbuffer__(self, Py_buffer *info, int flags):             # <<<<<<<<<<<<<<
+ *     @cname('getbuffer')             # <<<<<<<<<<<<<<
+ *     def __getbuffer__(self, Py_buffer *info, int flags):
  *         if flags & PyBUF_WRITABLE and self.view.readonly:
- *             raise ValueError("Cannot create writable memory view from read-only memoryview")
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   /* function exit code */
   __pyx_r = 0;
   goto __pyx_L0;
   __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_3);
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   __pyx_r = -1;
   if (__pyx_v_info->obj != NULL) {
@@ -7369,20 +9086,22 @@ static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbu
   return __pyx_r;
 }
 
-/* "View.MemoryView":553
+/* "View.MemoryView":554
  * 
- *     @property
- *     def T(self):             # <<<<<<<<<<<<<<
+ * 
+ *     @property             # <<<<<<<<<<<<<<
+ *     def T(self):
  *         cdef _memoryviewslice result = memoryview_copy(self)
- *         transpose_memslice(&result.from_slice)
  */
 
 /* Python wrapper */
 static PyObject *__pyx_pw_15View_dot_MemoryView_10memoryview_1T_1__get__(PyObject *__pyx_v_self); /*proto*/
 static PyObject *__pyx_pw_15View_dot_MemoryView_10memoryview_1T_1__get__(PyObject *__pyx_v_self) {
+  CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_kwvalues = __Pyx_KwValues_VARARGS(__pyx_args, __pyx_nargs);
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   /* function exit code */
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   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_RefNannySetupContext("__get__", 1);
 
-  /* "View.MemoryView":554
+  /* "View.MemoryView":556
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  *     def T(self):
  *         cdef _memoryviewslice result = memoryview_copy(self)             # <<<<<<<<<<<<<<
  *         transpose_memslice(&result.from_slice)
  *         return result
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-  __pyx_t_1 = __pyx_memoryview_copy_object(__pyx_v_self); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 554, __pyx_L1_error)
+  __pyx_t_1 = __pyx_memoryview_copy_object(__pyx_v_self); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 556, __pyx_L1_error)
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-  __pyx_t_1 = __pyx_memoryview_get_slice_from_memoryview(__pyx_v_self, (&__pyx_v_tmp)); if (unlikely(__pyx_t_1 == ((__Pyx_memviewslice *)NULL))) __PYX_ERR(1, 628, __pyx_L1_error)
+  __pyx_t_1 = __pyx_memoryview_get_slice_from_memoryview(__pyx_v_self, (&__pyx_v_tmp)); if (unlikely(__pyx_t_1 == ((__Pyx_memviewslice *)NULL))) __PYX_ERR(1, 633, __pyx_L1_error)
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-  /* "View.MemoryView":629
+  /* "View.MemoryView":634
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  *         return slice_is_contig(mslice[0], 'F', self.view.ndim)             # <<<<<<<<<<<<<<
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  *     def copy(self):
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+  __pyx_t_2 = __Pyx_PyBool_FromLong(__pyx_memviewslice_is_contig((__pyx_v_mslice[0]), 'F', __pyx_v_self->view.ndim)); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 634, __pyx_L1_error)
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-  /* "View.MemoryView":625
+  /* "View.MemoryView":630
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   return __pyx_r;
 }
 
-/* "View.MemoryView":631
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 /* Python wrapper */
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-static PyObject *__pyx_memoryview_copy(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
+static PyObject *__pyx_memoryview_copy(PyObject *__pyx_v_self, 
+#if CYTHON_METH_FASTCALL
+PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
+#else
+PyObject *__pyx_args, PyObject *__pyx_kwds
+#endif
+); /*proto*/
+static PyObject *__pyx_memoryview_copy(PyObject *__pyx_v_self, 
+#if CYTHON_METH_FASTCALL
+PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
+#else
+PyObject *__pyx_args, PyObject *__pyx_kwds
+#endif
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+  #if !CYTHON_METH_FASTCALL
+  CYTHON_UNUSED Py_ssize_t __pyx_nargs;
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+  CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
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+  #else
+  __pyx_nargs = PyTuple_Size(__pyx_args); if (unlikely(__pyx_nargs < 0)) return NULL;
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+  __pyx_kwvalues = __Pyx_KwValues_FASTCALL(__pyx_args, __pyx_nargs);
+  if (unlikely(__pyx_nargs > 0)) {
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+  if (unlikely(__pyx_kwds) && __Pyx_NumKwargs_FASTCALL(__pyx_kwds) && unlikely(!__Pyx_CheckKeywordStrings(__pyx_kwds, "copy", 0))) return NULL;
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-  /* "View.MemoryView":635
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+  __pyx_t_1 = __pyx_memoryview_copy_new_contig((&__pyx_v_mslice), ((char *)"c"), __pyx_v_self->view.ndim, __pyx_v_self->view.itemsize, (__pyx_v_flags | PyBUF_C_CONTIGUOUS), __pyx_v_self->dtype_is_object); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 641, __pyx_L1_error)
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-  /* "View.MemoryView":641
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+  __pyx_t_2 = __pyx_memoryview_copy_object_from_slice(__pyx_v_self, (&__pyx_v_mslice)); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 646, __pyx_L1_error)
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 }
 
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-static PyObject *__pyx_memoryview_copy_fortran(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
+static PyObject *__pyx_memoryview_copy_fortran(PyObject *__pyx_v_self, 
+#if CYTHON_METH_FASTCALL
+PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
+#else
+PyObject *__pyx_args, PyObject *__pyx_kwds
+#endif
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+static PyObject *__pyx_memoryview_copy_fortran(PyObject *__pyx_v_self, 
+#if CYTHON_METH_FASTCALL
+PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
+#else
+PyObject *__pyx_args, PyObject *__pyx_kwds
+#endif
+) {
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+  CYTHON_UNUSED Py_ssize_t __pyx_nargs;
+  #endif
+  CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
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+  #if !CYTHON_METH_FASTCALL
+  #if CYTHON_ASSUME_SAFE_MACROS
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+  #else
+  __pyx_nargs = PyTuple_Size(__pyx_args); if (unlikely(__pyx_nargs < 0)) return NULL;
+  #endif
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+  if (unlikely(__pyx_nargs > 0)) {
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-  /* "View.MemoryView":647
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-  /* "View.MemoryView":648
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+  __pyx_t_1 = __pyx_memoryview_copy_new_contig((&__pyx_v_src), ((char *)"fortran"), __pyx_v_self->view.ndim, __pyx_v_self->view.itemsize, (__pyx_v_flags | PyBUF_F_CONTIGUOUS), __pyx_v_self->dtype_is_object); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 653, __pyx_L1_error)
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 /* Python wrapper */
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-static PyObject *__pyx_pw___pyx_memoryview_1__reduce_cython__(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
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+PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
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+  #if CYTHON_ASSUME_SAFE_MACROS
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 /* "(tree fragment)":3
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-      /* "View.MemoryView":748
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+      /* "View.MemoryView":750
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-      /* "View.MemoryView":747
+      /* "View.MemoryView":748
  * 
  *     for dim, index in enumerate(indices):
  *         if PyIndex_Check(index):             # <<<<<<<<<<<<<<
+ *             cindex = index
  *             slice_memviewslice(
- *                 p_dst, p_src.shape[dim], p_src.strides[dim], p_src.suboffsets[dim],
  */
       goto __pyx_L6;
     }
 
-    /* "View.MemoryView":754
+    /* "View.MemoryView":756
  *                 0, 0, 0, # have_{start,stop,step}
  *                 False)
  *         elif index is None:             # <<<<<<<<<<<<<<
  *             p_dst.shape[new_ndim] = 1
  *             p_dst.strides[new_ndim] = 0
  */
-    __pyx_t_2 = (__pyx_v_index == Py_None);
-    __pyx_t_1 = (__pyx_t_2 != 0);
+    __pyx_t_1 = (__pyx_v_index == Py_None);
     if (__pyx_t_1) {
 
-      /* "View.MemoryView":755
+      /* "View.MemoryView":757
  *                 False)
  *         elif index is None:
  *             p_dst.shape[new_ndim] = 1             # <<<<<<<<<<<<<<
@@ -9842,7 +11770,7 @@ static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_
  */
       (__pyx_v_p_dst->shape[__pyx_v_new_ndim]) = 1;
 
-      /* "View.MemoryView":756
+      /* "View.MemoryView":758
  *         elif index is None:
  *             p_dst.shape[new_ndim] = 1
  *             p_dst.strides[new_ndim] = 0             # <<<<<<<<<<<<<<
@@ -9851,7 +11779,7 @@ static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_
  */
       (__pyx_v_p_dst->strides[__pyx_v_new_ndim]) = 0;
 
-      /* "View.MemoryView":757
+      /* "View.MemoryView":759
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  *             p_dst.strides[new_ndim] = 0
  *             p_dst.suboffsets[new_ndim] = -1             # <<<<<<<<<<<<<<
@@ -9860,7 +11788,7 @@ static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_
  */
       (__pyx_v_p_dst->suboffsets[__pyx_v_new_ndim]) = -1L;
 
-      /* "View.MemoryView":758
+      /* "View.MemoryView":760
  *             p_dst.strides[new_ndim] = 0
  *             p_dst.suboffsets[new_ndim] = -1
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@@ -9869,7 +11797,7 @@ static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_
  */
       __pyx_v_new_ndim = (__pyx_v_new_ndim + 1);
 
-      /* "View.MemoryView":754
+      /* "View.MemoryView":756
  *                 0, 0, 0, # have_{start,stop,step}
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  *         elif index is None:             # <<<<<<<<<<<<<<
@@ -9879,7 +11807,7 @@ static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_
       goto __pyx_L6;
     }
 
-    /* "View.MemoryView":760
+    /* "View.MemoryView":762
  *             new_ndim += 1
  *         else:
  *             start = index.start or 0             # <<<<<<<<<<<<<<
@@ -9887,114 +11815,114 @@ static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_
  *             step = index.step or 0
  */
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-        __pyx_t_10 = __pyx_t_12;
-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
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-      __pyx_t_10 = 0;
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-      __pyx_v_start = __pyx_t_10;
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-      /* "View.MemoryView":761
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  *             stop = index.stop or 0             # <<<<<<<<<<<<<<
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-      __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_9); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(1, 761, __pyx_L1_error)
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-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
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-        __pyx_t_10 = __pyx_t_12;
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-      __pyx_t_10 = 0;
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-      __pyx_v_stop = __pyx_t_10;
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-      /* "View.MemoryView":762
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-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
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-        __pyx_t_10 = __pyx_t_12;
-        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
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+        __pyx_t_9 = __pyx_t_11;
+        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
         goto __pyx_L11_bool_binop_done;
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-      __pyx_t_10 = 0;
+      __pyx_t_9 = 0;
       __pyx_L11_bool_binop_done:;
-      __pyx_v_step = __pyx_t_10;
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-      /* "View.MemoryView":764
+      /* "View.MemoryView":766
  *             step = index.step or 0
  * 
  *             have_start = index.start is not None             # <<<<<<<<<<<<<<
  *             have_stop = index.stop is not None
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-      __pyx_t_1 = (__pyx_t_9 != Py_None);
-      __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
+      __pyx_t_8 = __Pyx_PyObject_GetAttrStr(__pyx_v_index, __pyx_n_s_start); if (unlikely(!__pyx_t_8)) __PYX_ERR(1, 766, __pyx_L1_error)
+      __Pyx_GOTREF(__pyx_t_8);
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       __pyx_v_have_start = __pyx_t_1;
 
-      /* "View.MemoryView":765
+      /* "View.MemoryView":767
  * 
  *             have_start = index.start is not None
  *             have_stop = index.stop is not None             # <<<<<<<<<<<<<<
  *             have_step = index.step is not None
  * 
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-      __pyx_t_1 = (__pyx_t_9 != Py_None);
-      __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
+      __pyx_t_8 = __Pyx_PyObject_GetAttrStr(__pyx_v_index, __pyx_n_s_stop); if (unlikely(!__pyx_t_8)) __PYX_ERR(1, 767, __pyx_L1_error)
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_1 = (__pyx_t_8 != Py_None);
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       __pyx_v_have_stop = __pyx_t_1;
 
-      /* "View.MemoryView":766
+      /* "View.MemoryView":768
  *             have_start = index.start is not None
  *             have_stop = index.stop is not None
  *             have_step = index.step is not None             # <<<<<<<<<<<<<<
  * 
  *             slice_memviewslice(
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-      __pyx_t_1 = (__pyx_t_9 != Py_None);
-      __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
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+      __Pyx_GOTREF(__pyx_t_8);
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+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
       __pyx_v_have_step = __pyx_t_1;
 
-      /* "View.MemoryView":768
+      /* "View.MemoryView":770
  *             have_step = index.step is not None
  * 
  *             slice_memviewslice(             # <<<<<<<<<<<<<<
  *                 p_dst, p_src.shape[dim], p_src.strides[dim], p_src.suboffsets[dim],
  *                 dim, new_ndim, p_suboffset_dim,
  */
-      __pyx_t_11 = __pyx_memoryview_slice_memviewslice(__pyx_v_p_dst, (__pyx_v_p_src->shape[__pyx_v_dim]), (__pyx_v_p_src->strides[__pyx_v_dim]), (__pyx_v_p_src->suboffsets[__pyx_v_dim]), __pyx_v_dim, __pyx_v_new_ndim, __pyx_v_p_suboffset_dim, __pyx_v_start, __pyx_v_stop, __pyx_v_step, __pyx_v_have_start, __pyx_v_have_stop, __pyx_v_have_step, 1); if (unlikely(__pyx_t_11 == ((int)-1))) __PYX_ERR(1, 768, __pyx_L1_error)
+      __pyx_t_10 = __pyx_memoryview_slice_memviewslice(__pyx_v_p_dst, (__pyx_v_p_src->shape[__pyx_v_dim]), (__pyx_v_p_src->strides[__pyx_v_dim]), (__pyx_v_p_src->suboffsets[__pyx_v_dim]), __pyx_v_dim, __pyx_v_new_ndim, __pyx_v_p_suboffset_dim, __pyx_v_start, __pyx_v_stop, __pyx_v_step, __pyx_v_have_start, __pyx_v_have_stop, __pyx_v_have_step, 1); if (unlikely(__pyx_t_10 == ((int)-1))) __PYX_ERR(1, 770, __pyx_L1_error)
 
-      /* "View.MemoryView":774
+      /* "View.MemoryView":776
  *                 have_start, have_stop, have_step,
  *                 True)
  *             new_ndim += 1             # <<<<<<<<<<<<<<
@@ -10005,17 +11933,17 @@ static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_
     }
     __pyx_L6:;
 
-    /* "View.MemoryView":746
+    /* "View.MemoryView":747
  *     cdef bint have_start, have_stop, have_step
  * 
  *     for dim, index in enumerate(indices):             # <<<<<<<<<<<<<<
  *         if PyIndex_Check(index):
- *             slice_memviewslice(
+ *             cindex = index
  */
   }
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "View.MemoryView":776
+  /* "View.MemoryView":778
  *             new_ndim += 1
  * 
  *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
@@ -10023,51 +11951,50 @@ static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_
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  */
   __pyx_t_1 = __Pyx_TypeCheck(((PyObject *)__pyx_v_memview), __pyx_memoryviewslice_type); 
-  __pyx_t_2 = (__pyx_t_1 != 0);
-  if (__pyx_t_2) {
+  if (__pyx_t_1) {
 
-    /* "View.MemoryView":777
+    /* "View.MemoryView":779
  * 
  *     if isinstance(memview, _memoryviewslice):
  *         return memoryview_fromslice(dst, new_ndim,             # <<<<<<<<<<<<<<
  *                                     memviewsliceobj.to_object_func,
  *                                     memviewsliceobj.to_dtype_func,
  */
-    __Pyx_XDECREF(((PyObject *)__pyx_r));
+    __Pyx_XDECREF((PyObject *)__pyx_r);
 
-    /* "View.MemoryView":778
+    /* "View.MemoryView":780
  *     if isinstance(memview, _memoryviewslice):
  *         return memoryview_fromslice(dst, new_ndim,
  *                                     memviewsliceobj.to_object_func,             # <<<<<<<<<<<<<<
  *                                     memviewsliceobj.to_dtype_func,
  *                                     memview.dtype_is_object)
  */
-    if (unlikely(!__pyx_v_memviewsliceobj)) { __Pyx_RaiseUnboundLocalError("memviewsliceobj"); __PYX_ERR(1, 778, __pyx_L1_error) }
+    if (unlikely(!__pyx_v_memviewsliceobj)) { __Pyx_RaiseUnboundLocalError("memviewsliceobj"); __PYX_ERR(1, 780, __pyx_L1_error) }
 
-    /* "View.MemoryView":779
+    /* "View.MemoryView":781
  *         return memoryview_fromslice(dst, new_ndim,
  *                                     memviewsliceobj.to_object_func,
  *                                     memviewsliceobj.to_dtype_func,             # <<<<<<<<<<<<<<
  *                                     memview.dtype_is_object)
  *     else:
  */
-    if (unlikely(!__pyx_v_memviewsliceobj)) { __Pyx_RaiseUnboundLocalError("memviewsliceobj"); __PYX_ERR(1, 779, __pyx_L1_error) }
+    if (unlikely(!__pyx_v_memviewsliceobj)) { __Pyx_RaiseUnboundLocalError("memviewsliceobj"); __PYX_ERR(1, 781, __pyx_L1_error) }
 
-    /* "View.MemoryView":777
+    /* "View.MemoryView":779
  * 
  *     if isinstance(memview, _memoryviewslice):
  *         return memoryview_fromslice(dst, new_ndim,             # <<<<<<<<<<<<<<
  *                                     memviewsliceobj.to_object_func,
  *                                     memviewsliceobj.to_dtype_func,
  */
-    __pyx_t_3 = __pyx_memoryview_fromslice(__pyx_v_dst, __pyx_v_new_ndim, __pyx_v_memviewsliceobj->to_object_func, __pyx_v_memviewsliceobj->to_dtype_func, __pyx_v_memview->dtype_is_object); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 777, __pyx_L1_error)
-    __Pyx_GOTREF(__pyx_t_3);
-    if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_memoryview_type))))) __PYX_ERR(1, 777, __pyx_L1_error)
-    __pyx_r = ((struct __pyx_memoryview_obj *)__pyx_t_3);
-    __pyx_t_3 = 0;
+    __pyx_t_2 = __pyx_memoryview_fromslice(__pyx_v_dst, __pyx_v_new_ndim, __pyx_v_memviewsliceobj->to_object_func, __pyx_v_memviewsliceobj->to_dtype_func, __pyx_v_memview->dtype_is_object); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 779, __pyx_L1_error)
+    __Pyx_GOTREF(__pyx_t_2);
+    if (!(likely(((__pyx_t_2) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_2, __pyx_memoryview_type))))) __PYX_ERR(1, 779, __pyx_L1_error)
+    __pyx_r = ((struct __pyx_memoryview_obj *)__pyx_t_2);
+    __pyx_t_2 = 0;
     goto __pyx_L0;
 
-    /* "View.MemoryView":776
+    /* "View.MemoryView":778
  *             new_ndim += 1
  * 
  *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
@@ -10076,7 +12003,7 @@ static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_
  */
   }
 
-  /* "View.MemoryView":782
+  /* "View.MemoryView":784
  *                                     memview.dtype_is_object)
  *     else:
  *         return memoryview_fromslice(dst, new_ndim, NULL, NULL,             # <<<<<<<<<<<<<<
@@ -10084,32 +12011,32 @@ static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_
  * 
  */
   /*else*/ {
-    __Pyx_XDECREF(((PyObject *)__pyx_r));
+    __Pyx_XDECREF((PyObject *)__pyx_r);
 
-    /* "View.MemoryView":783
+    /* "View.MemoryView":785
  *     else:
  *         return memoryview_fromslice(dst, new_ndim, NULL, NULL,
  *                                     memview.dtype_is_object)             # <<<<<<<<<<<<<<
  * 
  * 
  */
-    __pyx_t_3 = __pyx_memoryview_fromslice(__pyx_v_dst, __pyx_v_new_ndim, NULL, NULL, __pyx_v_memview->dtype_is_object); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 782, __pyx_L1_error)
-    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_2 = __pyx_memoryview_fromslice(__pyx_v_dst, __pyx_v_new_ndim, NULL, NULL, __pyx_v_memview->dtype_is_object); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 784, __pyx_L1_error)
+    __Pyx_GOTREF(__pyx_t_2);
 
-    /* "View.MemoryView":782
+    /* "View.MemoryView":784
  *                                     memview.dtype_is_object)
  *     else:
  *         return memoryview_fromslice(dst, new_ndim, NULL, NULL,             # <<<<<<<<<<<<<<
  *                                     memview.dtype_is_object)
  * 
  */
-    if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_memoryview_type))))) __PYX_ERR(1, 782, __pyx_L1_error)
-    __pyx_r = ((struct __pyx_memoryview_obj *)__pyx_t_3);
-    __pyx_t_3 = 0;
+    if (!(likely(((__pyx_t_2) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_2, __pyx_memoryview_type))))) __PYX_ERR(1, 784, __pyx_L1_error)
+    __pyx_r = ((struct __pyx_memoryview_obj *)__pyx_t_2);
+    __pyx_t_2 = 0;
     goto __pyx_L0;
   }
 
-  /* "View.MemoryView":710
+  /* "View.MemoryView":711
  * 
  * @cname('__pyx_memview_slice')
  * cdef memoryview memview_slice(memoryview memview, object indices):             # <<<<<<<<<<<<<<
@@ -10119,8 +12046,8 @@ static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_
 
   /* function exit code */
   __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_3);
-  __Pyx_XDECREF(__pyx_t_9);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_8);
   __Pyx_AddTraceback("View.MemoryView.memview_slice", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
   __pyx_L0:;
@@ -10131,7 +12058,7 @@ static struct __pyx_memoryview_obj *__pyx_memview_slice(struct __pyx_memoryview_
   return __pyx_r;
 }
 
-/* "View.MemoryView":807
+/* "View.MemoryView":793
  * 
  * @cname('__pyx_memoryview_slice_memviewslice')
  * cdef int slice_memviewslice(             # <<<<<<<<<<<<<<
@@ -10149,37 +12076,40 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
+  #ifdef WITH_THREAD
+  PyGILState_STATE __pyx_gilstate_save;
+  #endif
 
-  /* "View.MemoryView":827
+  /* "View.MemoryView":813
  *     cdef bint negative_step
  * 
  *     if not is_slice:             # <<<<<<<<<<<<<<
  * 
  *         if start < 0:
  */
-  __pyx_t_1 = ((!(__pyx_v_is_slice != 0)) != 0);
+  __pyx_t_1 = (!__pyx_v_is_slice);
   if (__pyx_t_1) {
 
-    /* "View.MemoryView":829
+    /* "View.MemoryView":815
  *     if not is_slice:
  * 
  *         if start < 0:             # <<<<<<<<<<<<<<
  *             start += shape
  *         if not 0 <= start < shape:
  */
-    __pyx_t_1 = ((__pyx_v_start < 0) != 0);
+    __pyx_t_1 = (__pyx_v_start < 0);
     if (__pyx_t_1) {
 
-      /* "View.MemoryView":830
+      /* "View.MemoryView":816
  * 
  *         if start < 0:
  *             start += shape             # <<<<<<<<<<<<<<
  *         if not 0 <= start < shape:
- *             _err_dim(IndexError, "Index out of bounds (axis %d)", dim)
+ *             _err_dim(PyExc_IndexError, "Index out of bounds (axis %d)", dim)
  */
       __pyx_v_start = (__pyx_v_start + __pyx_v_shape);
 
-      /* "View.MemoryView":829
+      /* "View.MemoryView":815
  *     if not is_slice:
  * 
  *         if start < 0:             # <<<<<<<<<<<<<<
@@ -10188,39 +12118,39 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
     }
 
-    /* "View.MemoryView":831
+    /* "View.MemoryView":817
  *         if start < 0:
  *             start += shape
  *         if not 0 <= start < shape:             # <<<<<<<<<<<<<<
- *             _err_dim(IndexError, "Index out of bounds (axis %d)", dim)
+ *             _err_dim(PyExc_IndexError, "Index out of bounds (axis %d)", dim)
  *     else:
  */
     __pyx_t_1 = (0 <= __pyx_v_start);
     if (__pyx_t_1) {
       __pyx_t_1 = (__pyx_v_start < __pyx_v_shape);
     }
-    __pyx_t_2 = ((!(__pyx_t_1 != 0)) != 0);
+    __pyx_t_2 = (!__pyx_t_1);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":832
+      /* "View.MemoryView":818
  *             start += shape
  *         if not 0 <= start < shape:
- *             _err_dim(IndexError, "Index out of bounds (axis %d)", dim)             # <<<<<<<<<<<<<<
+ *             _err_dim(PyExc_IndexError, "Index out of bounds (axis %d)", dim)             # <<<<<<<<<<<<<<
  *     else:
  * 
  */
-      __pyx_t_3 = __pyx_memoryview_err_dim(__pyx_builtin_IndexError, ((char *)"Index out of bounds (axis %d)"), __pyx_v_dim); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 832, __pyx_L1_error)
+      __pyx_t_3 = __pyx_memoryview_err_dim(PyExc_IndexError, __pyx_kp_s_Index_out_of_bounds_axis_d, __pyx_v_dim); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 818, __pyx_L1_error)
 
-      /* "View.MemoryView":831
+      /* "View.MemoryView":817
  *         if start < 0:
  *             start += shape
  *         if not 0 <= start < shape:             # <<<<<<<<<<<<<<
- *             _err_dim(IndexError, "Index out of bounds (axis %d)", dim)
+ *             _err_dim(PyExc_IndexError, "Index out of bounds (axis %d)", dim)
  *     else:
  */
     }
 
-    /* "View.MemoryView":827
+    /* "View.MemoryView":813
  *     cdef bint negative_step
  * 
  *     if not is_slice:             # <<<<<<<<<<<<<<
@@ -10230,62 +12160,86 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
     goto __pyx_L3;
   }
 
-  /* "View.MemoryView":835
+  /* "View.MemoryView":821
  *     else:
  * 
- *         negative_step = have_step != 0 and step < 0             # <<<<<<<<<<<<<<
- * 
- *         if have_step and step == 0:
+ *         if have_step:             # <<<<<<<<<<<<<<
+ *             negative_step = step < 0
+ *             if step == 0:
  */
   /*else*/ {
-    __pyx_t_1 = ((__pyx_v_have_step != 0) != 0);
-    if (__pyx_t_1) {
-    } else {
-      __pyx_t_2 = __pyx_t_1;
-      goto __pyx_L6_bool_binop_done;
-    }
-    __pyx_t_1 = ((__pyx_v_step < 0) != 0);
-    __pyx_t_2 = __pyx_t_1;
-    __pyx_L6_bool_binop_done:;
-    __pyx_v_negative_step = __pyx_t_2;
+    __pyx_t_2 = (__pyx_v_have_step != 0);
+    if (__pyx_t_2) {
 
-    /* "View.MemoryView":837
- *         negative_step = have_step != 0 and step < 0
+      /* "View.MemoryView":822
  * 
- *         if have_step and step == 0:             # <<<<<<<<<<<<<<
- *             _err_dim(ValueError, "Step may not be zero (axis %d)", dim)
+ *         if have_step:
+ *             negative_step = step < 0             # <<<<<<<<<<<<<<
+ *             if step == 0:
+ *                 _err_dim(PyExc_ValueError, "Step may not be zero (axis %d)", dim)
+ */
+      __pyx_v_negative_step = (__pyx_v_step < 0);
+
+      /* "View.MemoryView":823
+ *         if have_step:
+ *             negative_step = step < 0
+ *             if step == 0:             # <<<<<<<<<<<<<<
+ *                 _err_dim(PyExc_ValueError, "Step may not be zero (axis %d)", dim)
+ *         else:
+ */
+      __pyx_t_2 = (__pyx_v_step == 0);
+      if (__pyx_t_2) {
+
+        /* "View.MemoryView":824
+ *             negative_step = step < 0
+ *             if step == 0:
+ *                 _err_dim(PyExc_ValueError, "Step may not be zero (axis %d)", dim)             # <<<<<<<<<<<<<<
+ *         else:
+ *             negative_step = False
+ */
+        __pyx_t_3 = __pyx_memoryview_err_dim(PyExc_ValueError, __pyx_kp_s_Step_may_not_be_zero_axis_d, __pyx_v_dim); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 824, __pyx_L1_error)
+
+        /* "View.MemoryView":823
+ *         if have_step:
+ *             negative_step = step < 0
+ *             if step == 0:             # <<<<<<<<<<<<<<
+ *                 _err_dim(PyExc_ValueError, "Step may not be zero (axis %d)", dim)
+ *         else:
+ */
+      }
+
+      /* "View.MemoryView":821
+ *     else:
  * 
+ *         if have_step:             # <<<<<<<<<<<<<<
+ *             negative_step = step < 0
+ *             if step == 0:
  */
-    __pyx_t_1 = (__pyx_v_have_step != 0);
-    if (__pyx_t_1) {
-    } else {
-      __pyx_t_2 = __pyx_t_1;
-      goto __pyx_L9_bool_binop_done;
+      goto __pyx_L6;
     }
-    __pyx_t_1 = ((__pyx_v_step == 0) != 0);
-    __pyx_t_2 = __pyx_t_1;
-    __pyx_L9_bool_binop_done:;
-    if (__pyx_t_2) {
 
-      /* "View.MemoryView":838
- * 
- *         if have_step and step == 0:
- *             _err_dim(ValueError, "Step may not be zero (axis %d)", dim)             # <<<<<<<<<<<<<<
- * 
+    /* "View.MemoryView":826
+ *                 _err_dim(PyExc_ValueError, "Step may not be zero (axis %d)", dim)
+ *         else:
+ *             negative_step = False             # <<<<<<<<<<<<<<
+ *             step = 1
  * 
  */
-      __pyx_t_3 = __pyx_memoryview_err_dim(__pyx_builtin_ValueError, ((char *)"Step may not be zero (axis %d)"), __pyx_v_dim); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 838, __pyx_L1_error)
+    /*else*/ {
+      __pyx_v_negative_step = 0;
 
-      /* "View.MemoryView":837
- *         negative_step = have_step != 0 and step < 0
+      /* "View.MemoryView":827
+ *         else:
+ *             negative_step = False
+ *             step = 1             # <<<<<<<<<<<<<<
  * 
- *         if have_step and step == 0:             # <<<<<<<<<<<<<<
- *             _err_dim(ValueError, "Step may not be zero (axis %d)", dim)
  * 
  */
+      __pyx_v_step = 1;
     }
+    __pyx_L6:;
 
-    /* "View.MemoryView":841
+    /* "View.MemoryView":830
  * 
  * 
  *         if have_start:             # <<<<<<<<<<<<<<
@@ -10295,17 +12249,17 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
     __pyx_t_2 = (__pyx_v_have_start != 0);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":842
+      /* "View.MemoryView":831
  * 
  *         if have_start:
  *             if start < 0:             # <<<<<<<<<<<<<<
  *                 start += shape
  *                 if start < 0:
  */
-      __pyx_t_2 = ((__pyx_v_start < 0) != 0);
+      __pyx_t_2 = (__pyx_v_start < 0);
       if (__pyx_t_2) {
 
-        /* "View.MemoryView":843
+        /* "View.MemoryView":832
  *         if have_start:
  *             if start < 0:
  *                 start += shape             # <<<<<<<<<<<<<<
@@ -10314,17 +12268,17 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
         __pyx_v_start = (__pyx_v_start + __pyx_v_shape);
 
-        /* "View.MemoryView":844
+        /* "View.MemoryView":833
  *             if start < 0:
  *                 start += shape
  *                 if start < 0:             # <<<<<<<<<<<<<<
  *                     start = 0
  *             elif start >= shape:
  */
-        __pyx_t_2 = ((__pyx_v_start < 0) != 0);
+        __pyx_t_2 = (__pyx_v_start < 0);
         if (__pyx_t_2) {
 
-          /* "View.MemoryView":845
+          /* "View.MemoryView":834
  *                 start += shape
  *                 if start < 0:
  *                     start = 0             # <<<<<<<<<<<<<<
@@ -10333,7 +12287,7 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
           __pyx_v_start = 0;
 
-          /* "View.MemoryView":844
+          /* "View.MemoryView":833
  *             if start < 0:
  *                 start += shape
  *                 if start < 0:             # <<<<<<<<<<<<<<
@@ -10342,37 +12296,36 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
         }
 
-        /* "View.MemoryView":842
+        /* "View.MemoryView":831
  * 
  *         if have_start:
  *             if start < 0:             # <<<<<<<<<<<<<<
  *                 start += shape
  *                 if start < 0:
  */
-        goto __pyx_L12;
+        goto __pyx_L9;
       }
 
-      /* "View.MemoryView":846
+      /* "View.MemoryView":835
  *                 if start < 0:
  *                     start = 0
  *             elif start >= shape:             # <<<<<<<<<<<<<<
  *                 if negative_step:
  *                     start = shape - 1
  */
-      __pyx_t_2 = ((__pyx_v_start >= __pyx_v_shape) != 0);
+      __pyx_t_2 = (__pyx_v_start >= __pyx_v_shape);
       if (__pyx_t_2) {
 
-        /* "View.MemoryView":847
+        /* "View.MemoryView":836
  *                     start = 0
  *             elif start >= shape:
  *                 if negative_step:             # <<<<<<<<<<<<<<
  *                     start = shape - 1
  *                 else:
  */
-        __pyx_t_2 = (__pyx_v_negative_step != 0);
-        if (__pyx_t_2) {
+        if (__pyx_v_negative_step) {
 
-          /* "View.MemoryView":848
+          /* "View.MemoryView":837
  *             elif start >= shape:
  *                 if negative_step:
  *                     start = shape - 1             # <<<<<<<<<<<<<<
@@ -10381,17 +12334,17 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
           __pyx_v_start = (__pyx_v_shape - 1);
 
-          /* "View.MemoryView":847
+          /* "View.MemoryView":836
  *                     start = 0
  *             elif start >= shape:
  *                 if negative_step:             # <<<<<<<<<<<<<<
  *                     start = shape - 1
  *                 else:
  */
-          goto __pyx_L14;
+          goto __pyx_L11;
         }
 
-        /* "View.MemoryView":850
+        /* "View.MemoryView":839
  *                     start = shape - 1
  *                 else:
  *                     start = shape             # <<<<<<<<<<<<<<
@@ -10401,9 +12354,9 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
         /*else*/ {
           __pyx_v_start = __pyx_v_shape;
         }
-        __pyx_L14:;
+        __pyx_L11:;
 
-        /* "View.MemoryView":846
+        /* "View.MemoryView":835
  *                 if start < 0:
  *                     start = 0
  *             elif start >= shape:             # <<<<<<<<<<<<<<
@@ -10411,19 +12364,19 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  *                     start = shape - 1
  */
       }
-      __pyx_L12:;
+      __pyx_L9:;
 
-      /* "View.MemoryView":841
+      /* "View.MemoryView":830
  * 
  * 
  *         if have_start:             # <<<<<<<<<<<<<<
  *             if start < 0:
  *                 start += shape
  */
-      goto __pyx_L11;
+      goto __pyx_L8;
     }
 
-    /* "View.MemoryView":852
+    /* "View.MemoryView":841
  *                     start = shape
  *         else:
  *             if negative_step:             # <<<<<<<<<<<<<<
@@ -10431,10 +12384,9 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  *             else:
  */
     /*else*/ {
-      __pyx_t_2 = (__pyx_v_negative_step != 0);
-      if (__pyx_t_2) {
+      if (__pyx_v_negative_step) {
 
-        /* "View.MemoryView":853
+        /* "View.MemoryView":842
  *         else:
  *             if negative_step:
  *                 start = shape - 1             # <<<<<<<<<<<<<<
@@ -10443,17 +12395,17 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
         __pyx_v_start = (__pyx_v_shape - 1);
 
-        /* "View.MemoryView":852
+        /* "View.MemoryView":841
  *                     start = shape
  *         else:
  *             if negative_step:             # <<<<<<<<<<<<<<
  *                 start = shape - 1
  *             else:
  */
-        goto __pyx_L15;
+        goto __pyx_L12;
       }
 
-      /* "View.MemoryView":855
+      /* "View.MemoryView":844
  *                 start = shape - 1
  *             else:
  *                 start = 0             # <<<<<<<<<<<<<<
@@ -10463,11 +12415,11 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
       /*else*/ {
         __pyx_v_start = 0;
       }
-      __pyx_L15:;
+      __pyx_L12:;
     }
-    __pyx_L11:;
+    __pyx_L8:;
 
-    /* "View.MemoryView":857
+    /* "View.MemoryView":846
  *                 start = 0
  * 
  *         if have_stop:             # <<<<<<<<<<<<<<
@@ -10477,17 +12429,17 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
     __pyx_t_2 = (__pyx_v_have_stop != 0);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":858
+      /* "View.MemoryView":847
  * 
  *         if have_stop:
  *             if stop < 0:             # <<<<<<<<<<<<<<
  *                 stop += shape
  *                 if stop < 0:
  */
-      __pyx_t_2 = ((__pyx_v_stop < 0) != 0);
+      __pyx_t_2 = (__pyx_v_stop < 0);
       if (__pyx_t_2) {
 
-        /* "View.MemoryView":859
+        /* "View.MemoryView":848
  *         if have_stop:
  *             if stop < 0:
  *                 stop += shape             # <<<<<<<<<<<<<<
@@ -10496,17 +12448,17 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
         __pyx_v_stop = (__pyx_v_stop + __pyx_v_shape);
 
-        /* "View.MemoryView":860
+        /* "View.MemoryView":849
  *             if stop < 0:
  *                 stop += shape
  *                 if stop < 0:             # <<<<<<<<<<<<<<
  *                     stop = 0
  *             elif stop > shape:
  */
-        __pyx_t_2 = ((__pyx_v_stop < 0) != 0);
+        __pyx_t_2 = (__pyx_v_stop < 0);
         if (__pyx_t_2) {
 
-          /* "View.MemoryView":861
+          /* "View.MemoryView":850
  *                 stop += shape
  *                 if stop < 0:
  *                     stop = 0             # <<<<<<<<<<<<<<
@@ -10515,7 +12467,7 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
           __pyx_v_stop = 0;
 
-          /* "View.MemoryView":860
+          /* "View.MemoryView":849
  *             if stop < 0:
  *                 stop += shape
  *                 if stop < 0:             # <<<<<<<<<<<<<<
@@ -10524,27 +12476,27 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
         }
 
-        /* "View.MemoryView":858
+        /* "View.MemoryView":847
  * 
  *         if have_stop:
  *             if stop < 0:             # <<<<<<<<<<<<<<
  *                 stop += shape
  *                 if stop < 0:
  */
-        goto __pyx_L17;
+        goto __pyx_L14;
       }
 
-      /* "View.MemoryView":862
+      /* "View.MemoryView":851
  *                 if stop < 0:
  *                     stop = 0
  *             elif stop > shape:             # <<<<<<<<<<<<<<
  *                 stop = shape
  *         else:
  */
-      __pyx_t_2 = ((__pyx_v_stop > __pyx_v_shape) != 0);
+      __pyx_t_2 = (__pyx_v_stop > __pyx_v_shape);
       if (__pyx_t_2) {
 
-        /* "View.MemoryView":863
+        /* "View.MemoryView":852
  *                     stop = 0
  *             elif stop > shape:
  *                 stop = shape             # <<<<<<<<<<<<<<
@@ -10553,7 +12505,7 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
         __pyx_v_stop = __pyx_v_shape;
 
-        /* "View.MemoryView":862
+        /* "View.MemoryView":851
  *                 if stop < 0:
  *                     stop = 0
  *             elif stop > shape:             # <<<<<<<<<<<<<<
@@ -10561,19 +12513,19 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  *         else:
  */
       }
-      __pyx_L17:;
+      __pyx_L14:;
 
-      /* "View.MemoryView":857
+      /* "View.MemoryView":846
  *                 start = 0
  * 
  *         if have_stop:             # <<<<<<<<<<<<<<
  *             if stop < 0:
  *                 stop += shape
  */
-      goto __pyx_L16;
+      goto __pyx_L13;
     }
 
-    /* "View.MemoryView":865
+    /* "View.MemoryView":854
  *                 stop = shape
  *         else:
  *             if negative_step:             # <<<<<<<<<<<<<<
@@ -10581,10 +12533,9 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  *             else:
  */
     /*else*/ {
-      __pyx_t_2 = (__pyx_v_negative_step != 0);
-      if (__pyx_t_2) {
+      if (__pyx_v_negative_step) {
 
-        /* "View.MemoryView":866
+        /* "View.MemoryView":855
  *         else:
  *             if negative_step:
  *                 stop = -1             # <<<<<<<<<<<<<<
@@ -10593,59 +12544,31 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
         __pyx_v_stop = -1L;
 
-        /* "View.MemoryView":865
+        /* "View.MemoryView":854
  *                 stop = shape
  *         else:
  *             if negative_step:             # <<<<<<<<<<<<<<
  *                 stop = -1
  *             else:
  */
-        goto __pyx_L19;
+        goto __pyx_L16;
       }
 
-      /* "View.MemoryView":868
+      /* "View.MemoryView":857
  *                 stop = -1
  *             else:
  *                 stop = shape             # <<<<<<<<<<<<<<
  * 
- *         if not have_step:
+ * 
  */
       /*else*/ {
         __pyx_v_stop = __pyx_v_shape;
       }
-      __pyx_L19:;
-    }
-    __pyx_L16:;
-
-    /* "View.MemoryView":870
- *                 stop = shape
- * 
- *         if not have_step:             # <<<<<<<<<<<<<<
- *             step = 1
- * 
- */
-    __pyx_t_2 = ((!(__pyx_v_have_step != 0)) != 0);
-    if (__pyx_t_2) {
-
-      /* "View.MemoryView":871
- * 
- *         if not have_step:
- *             step = 1             # <<<<<<<<<<<<<<
- * 
- * 
- */
-      __pyx_v_step = 1;
-
-      /* "View.MemoryView":870
- *                 stop = shape
- * 
- *         if not have_step:             # <<<<<<<<<<<<<<
- *             step = 1
- * 
- */
+      __pyx_L16:;
     }
+    __pyx_L13:;
 
-    /* "View.MemoryView":875
+    /* "View.MemoryView":861
  * 
  *         with cython.cdivision(True):
  *             new_shape = (stop - start) // step             # <<<<<<<<<<<<<<
@@ -10654,7 +12577,7 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
     __pyx_v_new_shape = ((__pyx_v_stop - __pyx_v_start) / __pyx_v_step);
 
-    /* "View.MemoryView":877
+    /* "View.MemoryView":863
  *             new_shape = (stop - start) // step
  * 
  *             if (stop - start) - step * new_shape:             # <<<<<<<<<<<<<<
@@ -10664,7 +12587,7 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
     __pyx_t_2 = (((__pyx_v_stop - __pyx_v_start) - (__pyx_v_step * __pyx_v_new_shape)) != 0);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":878
+      /* "View.MemoryView":864
  * 
  *             if (stop - start) - step * new_shape:
  *                 new_shape += 1             # <<<<<<<<<<<<<<
@@ -10673,7 +12596,7 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
       __pyx_v_new_shape = (__pyx_v_new_shape + 1);
 
-      /* "View.MemoryView":877
+      /* "View.MemoryView":863
  *             new_shape = (stop - start) // step
  * 
  *             if (stop - start) - step * new_shape:             # <<<<<<<<<<<<<<
@@ -10682,17 +12605,17 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
     }
 
-    /* "View.MemoryView":880
+    /* "View.MemoryView":866
  *                 new_shape += 1
  * 
  *         if new_shape < 0:             # <<<<<<<<<<<<<<
  *             new_shape = 0
  * 
  */
-    __pyx_t_2 = ((__pyx_v_new_shape < 0) != 0);
+    __pyx_t_2 = (__pyx_v_new_shape < 0);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":881
+      /* "View.MemoryView":867
  * 
  *         if new_shape < 0:
  *             new_shape = 0             # <<<<<<<<<<<<<<
@@ -10701,7 +12624,7 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
       __pyx_v_new_shape = 0;
 
-      /* "View.MemoryView":880
+      /* "View.MemoryView":866
  *                 new_shape += 1
  * 
  *         if new_shape < 0:             # <<<<<<<<<<<<<<
@@ -10710,7 +12633,7 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
     }
 
-    /* "View.MemoryView":884
+    /* "View.MemoryView":870
  * 
  * 
  *         dst.strides[new_ndim] = stride * step             # <<<<<<<<<<<<<<
@@ -10719,7 +12642,7 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
     (__pyx_v_dst->strides[__pyx_v_new_ndim]) = (__pyx_v_stride * __pyx_v_step);
 
-    /* "View.MemoryView":885
+    /* "View.MemoryView":871
  * 
  *         dst.strides[new_ndim] = stride * step
  *         dst.shape[new_ndim] = new_shape             # <<<<<<<<<<<<<<
@@ -10728,7 +12651,7 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
     (__pyx_v_dst->shape[__pyx_v_new_ndim]) = __pyx_v_new_shape;
 
-    /* "View.MemoryView":886
+    /* "View.MemoryView":872
  *         dst.strides[new_ndim] = stride * step
  *         dst.shape[new_ndim] = new_shape
  *         dst.suboffsets[new_ndim] = suboffset             # <<<<<<<<<<<<<<
@@ -10739,17 +12662,17 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
   }
   __pyx_L3:;
 
-  /* "View.MemoryView":889
+  /* "View.MemoryView":875
  * 
  * 
  *     if suboffset_dim[0] < 0:             # <<<<<<<<<<<<<<
  *         dst.data += start * stride
  *     else:
  */
-  __pyx_t_2 = (((__pyx_v_suboffset_dim[0]) < 0) != 0);
+  __pyx_t_2 = ((__pyx_v_suboffset_dim[0]) < 0);
   if (__pyx_t_2) {
 
-    /* "View.MemoryView":890
+    /* "View.MemoryView":876
  * 
  *     if suboffset_dim[0] < 0:
  *         dst.data += start * stride             # <<<<<<<<<<<<<<
@@ -10758,17 +12681,17 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
     __pyx_v_dst->data = (__pyx_v_dst->data + (__pyx_v_start * __pyx_v_stride));
 
-    /* "View.MemoryView":889
+    /* "View.MemoryView":875
  * 
  * 
  *     if suboffset_dim[0] < 0:             # <<<<<<<<<<<<<<
  *         dst.data += start * stride
  *     else:
  */
-    goto __pyx_L23;
+    goto __pyx_L19;
   }
 
-  /* "View.MemoryView":892
+  /* "View.MemoryView":878
  *         dst.data += start * stride
  *     else:
  *         dst.suboffsets[suboffset_dim[0]] += start * stride             # <<<<<<<<<<<<<<
@@ -10779,88 +12702,88 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
     __pyx_t_3 = (__pyx_v_suboffset_dim[0]);
     (__pyx_v_dst->suboffsets[__pyx_t_3]) = ((__pyx_v_dst->suboffsets[__pyx_t_3]) + (__pyx_v_start * __pyx_v_stride));
   }
-  __pyx_L23:;
+  __pyx_L19:;
 
-  /* "View.MemoryView":894
+  /* "View.MemoryView":880
  *         dst.suboffsets[suboffset_dim[0]] += start * stride
  * 
  *     if suboffset >= 0:             # <<<<<<<<<<<<<<
  *         if not is_slice:
  *             if new_ndim == 0:
  */
-  __pyx_t_2 = ((__pyx_v_suboffset >= 0) != 0);
+  __pyx_t_2 = (__pyx_v_suboffset >= 0);
   if (__pyx_t_2) {
 
-    /* "View.MemoryView":895
+    /* "View.MemoryView":881
  * 
  *     if suboffset >= 0:
  *         if not is_slice:             # <<<<<<<<<<<<<<
  *             if new_ndim == 0:
  *                 dst.data = (<char **> dst.data)[0] + suboffset
  */
-    __pyx_t_2 = ((!(__pyx_v_is_slice != 0)) != 0);
+    __pyx_t_2 = (!__pyx_v_is_slice);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":896
+      /* "View.MemoryView":882
  *     if suboffset >= 0:
  *         if not is_slice:
  *             if new_ndim == 0:             # <<<<<<<<<<<<<<
  *                 dst.data = (<char **> dst.data)[0] + suboffset
  *             else:
  */
-      __pyx_t_2 = ((__pyx_v_new_ndim == 0) != 0);
+      __pyx_t_2 = (__pyx_v_new_ndim == 0);
       if (__pyx_t_2) {
 
-        /* "View.MemoryView":897
+        /* "View.MemoryView":883
  *         if not is_slice:
  *             if new_ndim == 0:
  *                 dst.data = (<char **> dst.data)[0] + suboffset             # <<<<<<<<<<<<<<
  *             else:
- *                 _err_dim(IndexError, "All dimensions preceding dimension %d "
+ *                 _err_dim(PyExc_IndexError, "All dimensions preceding dimension %d "
  */
         __pyx_v_dst->data = ((((char **)__pyx_v_dst->data)[0]) + __pyx_v_suboffset);
 
-        /* "View.MemoryView":896
+        /* "View.MemoryView":882
  *     if suboffset >= 0:
  *         if not is_slice:
  *             if new_ndim == 0:             # <<<<<<<<<<<<<<
  *                 dst.data = (<char **> dst.data)[0] + suboffset
  *             else:
  */
-        goto __pyx_L26;
+        goto __pyx_L22;
       }
 
-      /* "View.MemoryView":899
+      /* "View.MemoryView":885
  *                 dst.data = (<char **> dst.data)[0] + suboffset
  *             else:
- *                 _err_dim(IndexError, "All dimensions preceding dimension %d "             # <<<<<<<<<<<<<<
+ *                 _err_dim(PyExc_IndexError, "All dimensions preceding dimension %d "             # <<<<<<<<<<<<<<
  *                                      "must be indexed and not sliced", dim)
  *         else:
  */
       /*else*/ {
 
-        /* "View.MemoryView":900
+        /* "View.MemoryView":886
  *             else:
- *                 _err_dim(IndexError, "All dimensions preceding dimension %d "
+ *                 _err_dim(PyExc_IndexError, "All dimensions preceding dimension %d "
  *                                      "must be indexed and not sliced", dim)             # <<<<<<<<<<<<<<
  *         else:
  *             suboffset_dim[0] = new_ndim
  */
-        __pyx_t_3 = __pyx_memoryview_err_dim(__pyx_builtin_IndexError, ((char *)"All dimensions preceding dimension %d must be indexed and not sliced"), __pyx_v_dim); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 899, __pyx_L1_error)
+        __pyx_t_3 = __pyx_memoryview_err_dim(PyExc_IndexError, __pyx_kp_s_All_dimensions_preceding_dimensi, __pyx_v_dim); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 885, __pyx_L1_error)
       }
-      __pyx_L26:;
+      __pyx_L22:;
 
-      /* "View.MemoryView":895
+      /* "View.MemoryView":881
  * 
  *     if suboffset >= 0:
  *         if not is_slice:             # <<<<<<<<<<<<<<
  *             if new_ndim == 0:
  *                 dst.data = (<char **> dst.data)[0] + suboffset
  */
-      goto __pyx_L25;
+      goto __pyx_L21;
     }
 
-    /* "View.MemoryView":902
+    /* "View.MemoryView":888
  *                                      "must be indexed and not sliced", dim)
  *         else:
  *             suboffset_dim[0] = new_ndim             # <<<<<<<<<<<<<<
@@ -10870,9 +12793,9 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
     /*else*/ {
       (__pyx_v_suboffset_dim[0]) = __pyx_v_new_ndim;
     }
-    __pyx_L25:;
+    __pyx_L21:;
 
-    /* "View.MemoryView":894
+    /* "View.MemoryView":880
  *         dst.suboffsets[suboffset_dim[0]] += start * stride
  * 
  *     if suboffset >= 0:             # <<<<<<<<<<<<<<
@@ -10881,7 +12804,7 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
  */
   }
 
-  /* "View.MemoryView":904
+  /* "View.MemoryView":890
  *             suboffset_dim[0] = new_ndim
  * 
  *     return 0             # <<<<<<<<<<<<<<
@@ -10891,7 +12814,7 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
   __pyx_r = 0;
   goto __pyx_L0;
 
-  /* "View.MemoryView":807
+  /* "View.MemoryView":793
  * 
  * @cname('__pyx_memoryview_slice_memviewslice')
  * cdef int slice_memviewslice(             # <<<<<<<<<<<<<<
@@ -10901,21 +12824,19 @@ static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst,
 
   /* function exit code */
   __pyx_L1_error:;
-  {
-    #ifdef WITH_THREAD
-    PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
-    #endif
-    __Pyx_AddTraceback("View.MemoryView.slice_memviewslice", __pyx_clineno, __pyx_lineno, __pyx_filename);
-    #ifdef WITH_THREAD
-    __Pyx_PyGILState_Release(__pyx_gilstate_save);
-    #endif
-  }
+  #ifdef WITH_THREAD
+  __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
+  #endif
+  __Pyx_AddTraceback("View.MemoryView.slice_memviewslice", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = -1;
+  #ifdef WITH_THREAD
+  __Pyx_PyGILState_Release(__pyx_gilstate_save);
+  #endif
   __pyx_L0:;
   return __pyx_r;
 }
 
-/* "View.MemoryView":910
+/* "View.MemoryView":896
  * 
  * @cname('__pyx_pybuffer_index')
  * cdef char *pybuffer_index(Py_buffer *view, char *bufp, Py_ssize_t index,             # <<<<<<<<<<<<<<
@@ -10934,13 +12855,14 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
   Py_ssize_t __pyx_t_1;
   int __pyx_t_2;
   PyObject *__pyx_t_3 = NULL;
-  PyObject *__pyx_t_4 = NULL;
+  Py_UCS4 __pyx_t_4;
+  PyObject *__pyx_t_5 = NULL;
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("pybuffer_index", 0);
+  __Pyx_RefNannySetupContext("pybuffer_index", 1);
 
-  /* "View.MemoryView":912
+  /* "View.MemoryView":898
  * cdef char *pybuffer_index(Py_buffer *view, char *bufp, Py_ssize_t index,
  *                           Py_ssize_t dim) except NULL:
  *     cdef Py_ssize_t shape, stride, suboffset = -1             # <<<<<<<<<<<<<<
@@ -10949,7 +12871,7 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
  */
   __pyx_v_suboffset = -1L;
 
-  /* "View.MemoryView":913
+  /* "View.MemoryView":899
  *                           Py_ssize_t dim) except NULL:
  *     cdef Py_ssize_t shape, stride, suboffset = -1
  *     cdef Py_ssize_t itemsize = view.itemsize             # <<<<<<<<<<<<<<
@@ -10959,53 +12881,53 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
   __pyx_t_1 = __pyx_v_view->itemsize;
   __pyx_v_itemsize = __pyx_t_1;
 
-  /* "View.MemoryView":916
+  /* "View.MemoryView":902
  *     cdef char *resultp
  * 
  *     if view.ndim == 0:             # <<<<<<<<<<<<<<
- *         shape = view.len / itemsize
+ *         shape = view.len // itemsize
  *         stride = itemsize
  */
-  __pyx_t_2 = ((__pyx_v_view->ndim == 0) != 0);
+  __pyx_t_2 = (__pyx_v_view->ndim == 0);
   if (__pyx_t_2) {
 
-    /* "View.MemoryView":917
+    /* "View.MemoryView":903
  * 
  *     if view.ndim == 0:
- *         shape = view.len / itemsize             # <<<<<<<<<<<<<<
+ *         shape = view.len // itemsize             # <<<<<<<<<<<<<<
  *         stride = itemsize
  *     else:
  */
     if (unlikely(__pyx_v_itemsize == 0)) {
       PyErr_SetString(PyExc_ZeroDivisionError, "integer division or modulo by zero");
-      __PYX_ERR(1, 917, __pyx_L1_error)
+      __PYX_ERR(1, 903, __pyx_L1_error)
     }
-    else if (sizeof(Py_ssize_t) == sizeof(long) && (!(((Py_ssize_t)-1) > 0)) && unlikely(__pyx_v_itemsize == (Py_ssize_t)-1)  && unlikely(UNARY_NEG_WOULD_OVERFLOW(__pyx_v_view->len))) {
+    else if (sizeof(Py_ssize_t) == sizeof(long) && (!(((Py_ssize_t)-1) > 0)) && unlikely(__pyx_v_itemsize == (Py_ssize_t)-1)  && unlikely(__Pyx_UNARY_NEG_WOULD_OVERFLOW(__pyx_v_view->len))) {
       PyErr_SetString(PyExc_OverflowError, "value too large to perform division");
-      __PYX_ERR(1, 917, __pyx_L1_error)
+      __PYX_ERR(1, 903, __pyx_L1_error)
     }
     __pyx_v_shape = __Pyx_div_Py_ssize_t(__pyx_v_view->len, __pyx_v_itemsize);
 
-    /* "View.MemoryView":918
+    /* "View.MemoryView":904
  *     if view.ndim == 0:
- *         shape = view.len / itemsize
+ *         shape = view.len // itemsize
  *         stride = itemsize             # <<<<<<<<<<<<<<
  *     else:
  *         shape = view.shape[dim]
  */
     __pyx_v_stride = __pyx_v_itemsize;
 
-    /* "View.MemoryView":916
+    /* "View.MemoryView":902
  *     cdef char *resultp
  * 
  *     if view.ndim == 0:             # <<<<<<<<<<<<<<
- *         shape = view.len / itemsize
+ *         shape = view.len // itemsize
  *         stride = itemsize
  */
     goto __pyx_L3;
   }
 
-  /* "View.MemoryView":920
+  /* "View.MemoryView":906
  *         stride = itemsize
  *     else:
  *         shape = view.shape[dim]             # <<<<<<<<<<<<<<
@@ -11015,7 +12937,7 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
   /*else*/ {
     __pyx_v_shape = (__pyx_v_view->shape[__pyx_v_dim]);
 
-    /* "View.MemoryView":921
+    /* "View.MemoryView":907
  *     else:
  *         shape = view.shape[dim]
  *         stride = view.strides[dim]             # <<<<<<<<<<<<<<
@@ -11024,17 +12946,17 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
  */
     __pyx_v_stride = (__pyx_v_view->strides[__pyx_v_dim]);
 
-    /* "View.MemoryView":922
+    /* "View.MemoryView":908
  *         shape = view.shape[dim]
  *         stride = view.strides[dim]
  *         if view.suboffsets != NULL:             # <<<<<<<<<<<<<<
  *             suboffset = view.suboffsets[dim]
  * 
  */
-    __pyx_t_2 = ((__pyx_v_view->suboffsets != NULL) != 0);
+    __pyx_t_2 = (__pyx_v_view->suboffsets != NULL);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":923
+      /* "View.MemoryView":909
  *         stride = view.strides[dim]
  *         if view.suboffsets != NULL:
  *             suboffset = view.suboffsets[dim]             # <<<<<<<<<<<<<<
@@ -11043,7 +12965,7 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
  */
       __pyx_v_suboffset = (__pyx_v_view->suboffsets[__pyx_v_dim]);
 
-      /* "View.MemoryView":922
+      /* "View.MemoryView":908
  *         shape = view.shape[dim]
  *         stride = view.strides[dim]
  *         if view.suboffsets != NULL:             # <<<<<<<<<<<<<<
@@ -11054,64 +12976,77 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
   }
   __pyx_L3:;
 
-  /* "View.MemoryView":925
+  /* "View.MemoryView":911
  *             suboffset = view.suboffsets[dim]
  * 
  *     if index < 0:             # <<<<<<<<<<<<<<
  *         index += view.shape[dim]
  *         if index < 0:
  */
-  __pyx_t_2 = ((__pyx_v_index < 0) != 0);
+  __pyx_t_2 = (__pyx_v_index < 0);
   if (__pyx_t_2) {
 
-    /* "View.MemoryView":926
+    /* "View.MemoryView":912
  * 
  *     if index < 0:
  *         index += view.shape[dim]             # <<<<<<<<<<<<<<
  *         if index < 0:
- *             raise IndexError("Out of bounds on buffer access (axis %d)" % dim)
+ *             raise IndexError, f"Out of bounds on buffer access (axis {dim})"
  */
     __pyx_v_index = (__pyx_v_index + (__pyx_v_view->shape[__pyx_v_dim]));
 
-    /* "View.MemoryView":927
+    /* "View.MemoryView":913
  *     if index < 0:
  *         index += view.shape[dim]
  *         if index < 0:             # <<<<<<<<<<<<<<
- *             raise IndexError("Out of bounds on buffer access (axis %d)" % dim)
+ *             raise IndexError, f"Out of bounds on buffer access (axis {dim})"
  * 
  */
-    __pyx_t_2 = ((__pyx_v_index < 0) != 0);
+    __pyx_t_2 = (__pyx_v_index < 0);
     if (unlikely(__pyx_t_2)) {
 
-      /* "View.MemoryView":928
+      /* "View.MemoryView":914
  *         index += view.shape[dim]
  *         if index < 0:
- *             raise IndexError("Out of bounds on buffer access (axis %d)" % dim)             # <<<<<<<<<<<<<<
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+      __pyx_t_3 = PyTuple_New(3); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 914, __pyx_L1_error)
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-      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-      __Pyx_Raise(__pyx_t_3, 0, 0, 0);
+      __pyx_t_1 = 0;
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+      __Pyx_INCREF(__pyx_kp_u_Out_of_bounds_on_buffer_access_a);
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+      __Pyx_GIVEREF(__pyx_kp_u_Out_of_bounds_on_buffer_access_a);
+      PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_kp_u_Out_of_bounds_on_buffer_access_a);
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+      PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_5);
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       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __PYX_ERR(1, 928, __pyx_L1_error)
+      __Pyx_Raise(__pyx_builtin_IndexError, __pyx_t_5, 0, 0);
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-      /* "View.MemoryView":927
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+ *             raise IndexError, f"Out of bounds on buffer access (axis {dim})"
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-    /* "View.MemoryView":925
+    /* "View.MemoryView":911
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-  /* "View.MemoryView":930
- *             raise IndexError("Out of bounds on buffer access (axis %d)" % dim)
+  /* "View.MemoryView":916
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+ *         raise IndexError, f"Out of bounds on buffer access (axis {dim})"
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-  __pyx_t_2 = ((__pyx_v_index >= __pyx_v_shape) != 0);
+  __pyx_t_2 = (__pyx_v_index >= __pyx_v_shape);
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-    /* "View.MemoryView":931
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-    __pyx_t_3 = PyInt_FromSsize_t(__pyx_v_dim); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 931, __pyx_L1_error)
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+    __Pyx_INCREF(__pyx_kp_u_Out_of_bounds_on_buffer_access_a);
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+    __Pyx_GIVEREF(__pyx_kp_u_Out_of_bounds_on_buffer_access_a);
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-    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __Pyx_Raise(__pyx_t_3, 0, 0, 0);
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __Pyx_Raise(__pyx_builtin_IndexError, __pyx_t_3, 0, 0);
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __PYX_ERR(1, 931, __pyx_L1_error)
+    __PYX_ERR(1, 917, __pyx_L1_error)
 
-    /* "View.MemoryView":930
- *             raise IndexError("Out of bounds on buffer access (axis %d)" % dim)
+    /* "View.MemoryView":916
+ *             raise IndexError, f"Out of bounds on buffer access (axis {dim})"
  * 
  *     if index >= shape:             # <<<<<<<<<<<<<<
- *         raise IndexError("Out of bounds on buffer access (axis %d)" % dim)
+ *         raise IndexError, f"Out of bounds on buffer access (axis {dim})"
  * 
  */
   }
 
-  /* "View.MemoryView":933
- *         raise IndexError("Out of bounds on buffer access (axis %d)" % dim)
+  /* "View.MemoryView":919
+ *         raise IndexError, f"Out of bounds on buffer access (axis {dim})"
  * 
  *     resultp = bufp + index * stride             # <<<<<<<<<<<<<<
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@@ -11167,17 +13115,17 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
  */
   __pyx_v_resultp = (__pyx_v_bufp + (__pyx_v_index * __pyx_v_stride));
 
-  /* "View.MemoryView":934
+  /* "View.MemoryView":920
  * 
  *     resultp = bufp + index * stride
  *     if suboffset >= 0:             # <<<<<<<<<<<<<<
  *         resultp = (<char **> resultp)[0] + suboffset
  * 
  */
-  __pyx_t_2 = ((__pyx_v_suboffset >= 0) != 0);
+  __pyx_t_2 = (__pyx_v_suboffset >= 0);
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-    /* "View.MemoryView":935
+    /* "View.MemoryView":921
  *     resultp = bufp + index * stride
  *     if suboffset >= 0:
  *         resultp = (<char **> resultp)[0] + suboffset             # <<<<<<<<<<<<<<
@@ -11186,7 +13134,7 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
  */
     __pyx_v_resultp = ((((char **)__pyx_v_resultp)[0]) + __pyx_v_suboffset);
 
-    /* "View.MemoryView":934
+    /* "View.MemoryView":920
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  *     resultp = bufp + index * stride
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@@ -11195,7 +13143,7 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
  */
   }
 
-  /* "View.MemoryView":937
+  /* "View.MemoryView":923
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  *     return resultp             # <<<<<<<<<<<<<<
@@ -11205,7 +13153,7 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
   __pyx_r = __pyx_v_resultp;
   goto __pyx_L0;
 
-  /* "View.MemoryView":910
+  /* "View.MemoryView":896
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  * @cname('__pyx_pybuffer_index')
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@@ -11216,7 +13164,7 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
   /* function exit code */
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_3);
-  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
   __Pyx_AddTraceback("View.MemoryView.pybuffer_index", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -11224,10 +13172,10 @@ static char *__pyx_pybuffer_index(Py_buffer *__pyx_v_view, char *__pyx_v_bufp, P
   return __pyx_r;
 }
 
-/* "View.MemoryView":943
+/* "View.MemoryView":929
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  * @cname('__pyx_memslice_transpose')
- * cdef int transpose_memslice(__Pyx_memviewslice *memslice) nogil except 0:             # <<<<<<<<<<<<<<
+ * cdef int transpose_memslice(__Pyx_memviewslice *memslice) except -1 nogil:             # <<<<<<<<<<<<<<
  *     cdef int ndim = memslice.memview.view.ndim
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@@ -11251,10 +13199,13 @@ static int __pyx_memslice_transpose(__Pyx_memviewslice *__pyx_v_memslice) {
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
+  #ifdef WITH_THREAD
+  PyGILState_STATE __pyx_gilstate_save;
+  #endif
 
-  /* "View.MemoryView":944
+  /* "View.MemoryView":930
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- * cdef int transpose_memslice(__Pyx_memviewslice *memslice) nogil except 0:
+ * cdef int transpose_memslice(__Pyx_memviewslice *memslice) except -1 nogil:
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  * 
  *     cdef Py_ssize_t *shape = memslice.shape
@@ -11262,7 +13213,7 @@ static int __pyx_memslice_transpose(__Pyx_memviewslice *__pyx_v_memslice) {
   __pyx_t_1 = __pyx_v_memslice->memview->view.ndim;
   __pyx_v_ndim = __pyx_t_1;
 
-  /* "View.MemoryView":946
+  /* "View.MemoryView":932
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  *     cdef Py_ssize_t *shape = memslice.shape             # <<<<<<<<<<<<<<
@@ -11272,7 +13223,7 @@ static int __pyx_memslice_transpose(__Pyx_memviewslice *__pyx_v_memslice) {
   __pyx_t_2 = __pyx_v_memslice->shape;
   __pyx_v_shape = __pyx_t_2;
 
-  /* "View.MemoryView":947
+  /* "View.MemoryView":933
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  *     cdef Py_ssize_t *strides = memslice.strides             # <<<<<<<<<<<<<<
@@ -11282,10 +13233,10 @@ static int __pyx_memslice_transpose(__Pyx_memviewslice *__pyx_v_memslice) {
   __pyx_t_2 = __pyx_v_memslice->strides;
   __pyx_v_strides = __pyx_t_2;
 
-  /* "View.MemoryView":951
+  /* "View.MemoryView":937
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  *     cdef int i, j
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+ *     for i in range(ndim // 2):             # <<<<<<<<<<<<<<
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@@ -11294,17 +13245,17 @@ static int __pyx_memslice_transpose(__Pyx_memviewslice *__pyx_v_memslice) {
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-    /* "View.MemoryView":952
+    /* "View.MemoryView":938
  *     cdef int i, j
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+ *     for i in range(ndim // 2):
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-    /* "View.MemoryView":953
- *     for i in range(ndim / 2):
+    /* "View.MemoryView":939
+ *     for i in range(ndim // 2):
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  *         shape[i], shape[j] = shape[j], shape[i]
@@ -11315,7 +13266,7 @@ static int __pyx_memslice_transpose(__Pyx_memviewslice *__pyx_v_memslice) {
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     (__pyx_v_strides[__pyx_v_j]) = __pyx_t_6;
 
-    /* "View.MemoryView":954
+    /* "View.MemoryView":940
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  *         strides[i], strides[j] = strides[j], strides[i]
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@@ -11327,90 +13278,90 @@ static int __pyx_memslice_transpose(__Pyx_memviewslice *__pyx_v_memslice) {
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     (__pyx_v_shape[__pyx_v_j]) = __pyx_t_5;
 
-    /* "View.MemoryView":956
+    /* "View.MemoryView":942
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  *         if memslice.suboffsets[i] >= 0 or memslice.suboffsets[j] >= 0:             # <<<<<<<<<<<<<<
- *             _err(ValueError, "Cannot transpose memoryview with indirect dimensions")
+ *             _err(PyExc_ValueError, "Cannot transpose memoryview with indirect dimensions")
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-    __pyx_t_8 = (((__pyx_v_memslice->suboffsets[__pyx_v_i]) >= 0) != 0);
+    __pyx_t_8 = ((__pyx_v_memslice->suboffsets[__pyx_v_i]) >= 0);
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     } else {
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       goto __pyx_L6_bool_binop_done;
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-    __pyx_t_8 = (((__pyx_v_memslice->suboffsets[__pyx_v_j]) >= 0) != 0);
+    __pyx_t_8 = ((__pyx_v_memslice->suboffsets[__pyx_v_j]) >= 0);
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-      /* "View.MemoryView":957
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  * 
- *     return 1
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+      __pyx_t_9 = __pyx_memoryview_err(PyExc_ValueError, __pyx_kp_s_Cannot_transpose_memoryview_with); if (unlikely(__pyx_t_9 == ((int)-1))) __PYX_ERR(1, 943, __pyx_L1_error)
 
-      /* "View.MemoryView":956
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  *         if memslice.suboffsets[i] >= 0 or memslice.suboffsets[j] >= 0:             # <<<<<<<<<<<<<<
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+ *             _err(PyExc_ValueError, "Cannot transpose memoryview with indirect dimensions")
  * 
  */
     }
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-  /* "View.MemoryView":959
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- *     return 1             # <<<<<<<<<<<<<<
+ *     return 0             # <<<<<<<<<<<<<<
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  * 
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-  __pyx_r = 1;
+  __pyx_r = 0;
   goto __pyx_L0;
 
-  /* "View.MemoryView":943
+  /* "View.MemoryView":929
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  * @cname('__pyx_memslice_transpose')
- * cdef int transpose_memslice(__Pyx_memviewslice *memslice) nogil except 0:             # <<<<<<<<<<<<<<
+ * cdef int transpose_memslice(__Pyx_memviewslice *memslice) except -1 nogil:             # <<<<<<<<<<<<<<
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   /* function exit code */
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-    PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
-    #endif
-    __Pyx_AddTraceback("View.MemoryView.transpose_memslice", __pyx_clineno, __pyx_lineno, __pyx_filename);
-    #ifdef WITH_THREAD
-    __Pyx_PyGILState_Release(__pyx_gilstate_save);
-    #endif
-  }
-  __pyx_r = 0;
+  #ifdef WITH_THREAD
+  __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
+  #endif
+  __Pyx_AddTraceback("View.MemoryView.transpose_memslice", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
+  #ifdef WITH_THREAD
+  __Pyx_PyGILState_Release(__pyx_gilstate_save);
+  #endif
   __pyx_L0:;
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 }
 
-/* "View.MemoryView":976
+/* "View.MemoryView":963
  *     cdef int (*to_dtype_func)(char *, object) except 0
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
- *         __PYX_XDEC_MEMVIEW(&self.from_slice, 1)
+ *         __PYX_XCLEAR_MEMVIEW(&self.from_slice, 1)
  * 
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 /* Python wrapper */
 static void __pyx_memoryviewslice___dealloc__(PyObject *__pyx_v_self); /*proto*/
 static void __pyx_memoryviewslice___dealloc__(PyObject *__pyx_v_self) {
+  CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__ (wrapper)", 0);
+  __pyx_kwvalues = __Pyx_KwValues_VARARGS(__pyx_args, __pyx_nargs);
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   /* function exit code */
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-  /* "View.MemoryView":977
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+ *         __PYX_XCLEAR_MEMVIEW(&self.from_slice, 1)             # <<<<<<<<<<<<<<
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  *     cdef convert_item_to_object(self, char *itemp):
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-  __PYX_XDEC_MEMVIEW((&__pyx_v_self->from_slice), 1);
+  __PYX_XCLEAR_MEMVIEW((&__pyx_v_self->from_slice), 1);
 
-  /* "View.MemoryView":976
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  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
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+ *     raise TypeError, "no default __reduce__ due to non-trivial __cinit__"
  * def __setstate_cython__(self, __pyx_state):             # <<<<<<<<<<<<<<
- *     raise TypeError("no default __reduce__ due to non-trivial __cinit__")
+ *     raise TypeError, "no default __reduce__ due to non-trivial __cinit__"
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   /* function exit code */
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-  __Pyx_XDECREF(__pyx_t_1);
   __Pyx_AddTraceback("View.MemoryView._memoryviewslice.__setstate_cython__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __Pyx_XGIVEREF(__pyx_r);
@@ -11803,7 +13837,7 @@ static PyObject *__pyx_memoryview_fromslice(__Pyx_memviewslice __pyx_v_memviewsl
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("memoryview_fromslice", 0);
+  __Pyx_RefNannySetupContext("memoryview_fromslice", 1);
 
   /* "View.MemoryView":1007
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@@ -11812,7 +13846,7 @@ static PyObject *__pyx_memoryview_fromslice(__Pyx_memviewslice __pyx_v_memviewsl
  *         return None
  * 
  */
-  __pyx_t_1 = ((((PyObject *)__pyx_v_memviewslice.memview) == Py_None) != 0);
+  __pyx_t_1 = (((PyObject *)__pyx_v_memviewslice.memview) == Py_None);
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     /* "View.MemoryView":1008
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   /* "View.MemoryView":1013
  * 
  * 
- *     result = _memoryviewslice(None, 0, dtype_is_object)             # <<<<<<<<<<<<<<
+ *     result = _memoryviewslice.__new__(_memoryviewslice, None, 0, dtype_is_object)             # <<<<<<<<<<<<<<
  * 
  *     result.from_slice = memviewslice
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@@ -11848,21 +13882,21 @@ static PyObject *__pyx_memoryview_fromslice(__Pyx_memviewslice __pyx_v_memviewsl
   __Pyx_GOTREF(__pyx_t_3);
   __Pyx_INCREF(Py_None);
   __Pyx_GIVEREF(Py_None);
-  PyTuple_SET_ITEM(__pyx_t_3, 0, Py_None);
+  if (__Pyx_PyTuple_SET_ITEM(__pyx_t_3, 0, Py_None)) __PYX_ERR(1, 1013, __pyx_L1_error);
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-  PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_int_0);
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-  PyTuple_SET_ITEM(__pyx_t_3, 2, __pyx_t_2);
+  if (__Pyx_PyTuple_SET_ITEM(__pyx_t_3, 2, __pyx_t_2)) __PYX_ERR(1, 1013, __pyx_L1_error);
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-  __pyx_t_2 = __Pyx_PyObject_Call(((PyObject *)__pyx_memoryviewslice_type), __pyx_t_3, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1013, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_2 = ((PyObject *)__pyx_tp_new__memoryviewslice(((PyTypeObject *)__pyx_memoryviewslice_type), __pyx_t_3, NULL)); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1013, __pyx_L1_error)
+  __Pyx_GOTREF((PyObject *)__pyx_t_2);
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   __pyx_v_result = ((struct __pyx_memoryviewslice_obj *)__pyx_t_2);
   __pyx_t_2 = 0;
 
   /* "View.MemoryView":1015
- *     result = _memoryviewslice(None, 0, dtype_is_object)
+ *     result = _memoryviewslice.__new__(_memoryviewslice, None, 0, dtype_is_object)
  * 
  *     result.from_slice = memviewslice             # <<<<<<<<<<<<<<
  *     __PYX_INC_MEMVIEW(&memviewslice, 1)
@@ -11875,18 +13909,18 @@ static PyObject *__pyx_memoryview_fromslice(__Pyx_memviewslice __pyx_v_memviewsl
  *     result.from_slice = memviewslice
  *     __PYX_INC_MEMVIEW(&memviewslice, 1)             # <<<<<<<<<<<<<<
  * 
- *     result.from_object = (<memoryview> memviewslice.memview).base
+ *     result.from_object = (<memoryview> memviewslice.memview)._get_base()
  */
   __PYX_INC_MEMVIEW((&__pyx_v_memviewslice), 1);
 
   /* "View.MemoryView":1018
  *     __PYX_INC_MEMVIEW(&memviewslice, 1)
  * 
- *     result.from_object = (<memoryview> memviewslice.memview).base             # <<<<<<<<<<<<<<
+ *     result.from_object = (<memoryview> memviewslice.memview)._get_base()             # <<<<<<<<<<<<<<
  *     result.typeinfo = memviewslice.memview.typeinfo
  * 
  */
-  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_memviewslice.memview), __pyx_n_s_base); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1018, __pyx_L1_error)
+  __pyx_t_2 = ((struct __pyx_vtabstruct_memoryview *)((struct __pyx_memoryview_obj *)__pyx_v_memviewslice.memview)->__pyx_vtab)->_get_base(((struct __pyx_memoryview_obj *)__pyx_v_memviewslice.memview)); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1018, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_GIVEREF(__pyx_t_2);
   __Pyx_GOTREF(__pyx_v_result->from_object);
@@ -11896,7 +13930,7 @@ static PyObject *__pyx_memoryview_fromslice(__Pyx_memviewslice __pyx_v_memviewsl
 
   /* "View.MemoryView":1019
  * 
- *     result.from_object = (<memoryview> memviewslice.memview).base
+ *     result.from_object = (<memoryview> memviewslice.memview)._get_base()
  *     result.typeinfo = memviewslice.memview.typeinfo             # <<<<<<<<<<<<<<
  * 
  *     result.view = memviewslice.memview.view
@@ -12037,7 +14071,7 @@ static PyObject *__pyx_memoryview_fromslice(__Pyx_memviewslice __pyx_v_memviewsl
  *             result.view.suboffsets = <Py_ssize_t *> result.from_slice.suboffsets
  *             break
  */
-    __pyx_t_1 = ((__pyx_v_suboffset >= 0) != 0);
+    __pyx_t_1 = (__pyx_v_suboffset >= 0);
     if (__pyx_t_1) {
 
       /* "View.MemoryView":1039
@@ -12137,7 +14171,7 @@ static PyObject *__pyx_memoryview_fromslice(__Pyx_memviewslice __pyx_v_memviewsl
  * @cname('__pyx_memoryview_get_slice_from_memoryview')
  */
   __Pyx_XDECREF(__pyx_r);
-  __Pyx_INCREF(((PyObject *)__pyx_v_result));
+  __Pyx_INCREF((PyObject *)__pyx_v_result);
   __pyx_r = ((PyObject *)__pyx_v_result);
   goto __pyx_L0;
 
@@ -12176,12 +14210,11 @@ static __Pyx_memviewslice *__pyx_memoryview_get_slice_from_memoryview(struct __p
   __Pyx_memviewslice *__pyx_r;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
-  int __pyx_t_2;
-  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_2 = NULL;
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("get_slice_from_memview", 0);
+  __Pyx_RefNannySetupContext("get_slice_from_memview", 1);
 
   /* "View.MemoryView":1055
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  *         return &obj.from_slice
  */
   __pyx_t_1 = __Pyx_TypeCheck(((PyObject *)__pyx_v_memview), __pyx_memoryviewslice_type); 
-  __pyx_t_2 = (__pyx_t_1 != 0);
-  if (__pyx_t_2) {
+  if (__pyx_t_1) {
 
     /* "View.MemoryView":1056
  *     cdef _memoryviewslice obj
@@ -12202,10 +14234,10 @@ static __Pyx_memviewslice *__pyx_memoryview_get_slice_from_memoryview(struct __p
  *     else:
  */
     if (!(likely(((((PyObject *)__pyx_v_memview)) == Py_None) || likely(__Pyx_TypeTest(((PyObject *)__pyx_v_memview), __pyx_memoryviewslice_type))))) __PYX_ERR(1, 1056, __pyx_L1_error)
-    __pyx_t_3 = ((PyObject *)__pyx_v_memview);
-    __Pyx_INCREF(__pyx_t_3);
-    __pyx_v_obj = ((struct __pyx_memoryviewslice_obj *)__pyx_t_3);
-    __pyx_t_3 = 0;
+    __pyx_t_2 = ((PyObject *)__pyx_v_memview);
+    __Pyx_INCREF(__pyx_t_2);
+    __pyx_v_obj = ((struct __pyx_memoryviewslice_obj *)__pyx_t_2);
+    __pyx_t_2 = 0;
 
     /* "View.MemoryView":1057
  *     if isinstance(memview, _memoryviewslice):
@@ -12257,7 +14289,7 @@ static __Pyx_memviewslice *__pyx_memoryview_get_slice_from_memoryview(struct __p
 
   /* function exit code */
   __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_2);
   __Pyx_AddTraceback("View.MemoryView.get_slice_from_memview", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __pyx_L0:;
@@ -12269,7 +14301,7 @@ static __Pyx_memviewslice *__pyx_memoryview_get_slice_from_memoryview(struct __p
 /* "View.MemoryView":1063
  * 
  * @cname('__pyx_memoryview_slice_copy')
- * cdef void slice_copy(memoryview memview, __Pyx_memviewslice *dst):             # <<<<<<<<<<<<<<
+ * cdef void slice_copy(memoryview memview, __Pyx_memviewslice *dst) noexcept:             # <<<<<<<<<<<<<<
  *     cdef int dim
  *     cdef (Py_ssize_t*) shape, strides, suboffsets
  */
@@ -12279,13 +14311,12 @@ static void __pyx_memoryview_slice_copy(struct __pyx_memoryview_obj *__pyx_v_mem
   Py_ssize_t *__pyx_v_shape;
   Py_ssize_t *__pyx_v_strides;
   Py_ssize_t *__pyx_v_suboffsets;
-  __Pyx_RefNannyDeclarations
   Py_ssize_t *__pyx_t_1;
   int __pyx_t_2;
   int __pyx_t_3;
   int __pyx_t_4;
   Py_ssize_t __pyx_t_5;
-  __Pyx_RefNannySetupContext("slice_copy", 0);
+  int __pyx_t_6;
 
   /* "View.MemoryView":1067
  *     cdef (Py_ssize_t*) shape, strides, suboffsets
@@ -12372,7 +14403,8 @@ static void __pyx_memoryview_slice_copy(struct __pyx_memoryview_obj *__pyx_v_mem
  * 
  * @cname('__pyx_memoryview_copy_object')
  */
-    if ((__pyx_v_suboffsets != 0)) {
+    __pyx_t_6 = (__pyx_v_suboffsets != 0);
+    if (__pyx_t_6) {
       __pyx_t_5 = (__pyx_v_suboffsets[__pyx_v_dim]);
     } else {
       __pyx_t_5 = -1L;
@@ -12383,13 +14415,12 @@ static void __pyx_memoryview_slice_copy(struct __pyx_memoryview_obj *__pyx_v_mem
   /* "View.MemoryView":1063
  * 
  * @cname('__pyx_memoryview_slice_copy')
- * cdef void slice_copy(memoryview memview, __Pyx_memviewslice *dst):             # <<<<<<<<<<<<<<
+ * cdef void slice_copy(memoryview memview, __Pyx_memviewslice *dst) noexcept:             # <<<<<<<<<<<<<<
  *     cdef int dim
  *     cdef (Py_ssize_t*) shape, strides, suboffsets
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   /* function exit code */
-  __Pyx_RefNannyFinishContext();
 }
 
 /* "View.MemoryView":1080
@@ -12408,7 +14439,7 @@ static PyObject *__pyx_memoryview_copy_object(struct __pyx_memoryview_obj *__pyx
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("memoryview_copy", 0);
+  __Pyx_RefNannySetupContext("memoryview_copy", 1);
 
   /* "View.MemoryView":1083
  *     "Create a new memoryview object"
@@ -12466,14 +14497,13 @@ static PyObject *__pyx_memoryview_copy_object_from_slice(struct __pyx_memoryview
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
-  int __pyx_t_2;
-  PyObject *(*__pyx_t_3)(char *);
-  int (*__pyx_t_4)(char *, PyObject *);
-  PyObject *__pyx_t_5 = NULL;
+  PyObject *(*__pyx_t_2)(char *);
+  int (*__pyx_t_3)(char *, PyObject *);
+  PyObject *__pyx_t_4 = NULL;
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("memoryview_copy_from_slice", 0);
+  __Pyx_RefNannySetupContext("memoryview_copy_from_slice", 1);
 
   /* "View.MemoryView":1094
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@@ -12483,8 +14513,7 @@ static PyObject *__pyx_memoryview_copy_object_from_slice(struct __pyx_memoryview
  *         to_dtype_func = (<_memoryviewslice> memview).to_dtype_func
  */
   __pyx_t_1 = __Pyx_TypeCheck(((PyObject *)__pyx_v_memview), __pyx_memoryviewslice_type); 
-  __pyx_t_2 = (__pyx_t_1 != 0);
-  if (__pyx_t_2) {
+  if (__pyx_t_1) {
 
     /* "View.MemoryView":1095
  * 
@@ -12493,8 +14522,8 @@ static PyObject *__pyx_memoryview_copy_object_from_slice(struct __pyx_memoryview
  *         to_dtype_func = (<_memoryviewslice> memview).to_dtype_func
  *     else:
  */
-    __pyx_t_3 = ((struct __pyx_memoryviewslice_obj *)__pyx_v_memview)->to_object_func;
-    __pyx_v_to_object_func = __pyx_t_3;
+    __pyx_t_2 = ((struct __pyx_memoryviewslice_obj *)__pyx_v_memview)->to_object_func;
+    __pyx_v_to_object_func = __pyx_t_2;
 
     /* "View.MemoryView":1096
  *     if isinstance(memview, _memoryviewslice):
@@ -12503,8 +14532,8 @@ static PyObject *__pyx_memoryview_copy_object_from_slice(struct __pyx_memoryview
  *     else:
  *         to_object_func = NULL
  */
-    __pyx_t_4 = ((struct __pyx_memoryviewslice_obj *)__pyx_v_memview)->to_dtype_func;
-    __pyx_v_to_dtype_func = __pyx_t_4;
+    __pyx_t_3 = ((struct __pyx_memoryviewslice_obj *)__pyx_v_memview)->to_dtype_func;
+    __pyx_v_to_dtype_func = __pyx_t_3;
 
     /* "View.MemoryView":1094
  *     cdef int (*to_dtype_func)(char *, object) except 0
@@ -12553,10 +14582,10 @@ static PyObject *__pyx_memoryview_copy_object_from_slice(struct __pyx_memoryview
  * 
  * 
  */
-  __pyx_t_5 = __pyx_memoryview_fromslice((__pyx_v_memviewslice[0]), __pyx_v_memview->view.ndim, __pyx_v_to_object_func, __pyx_v_to_dtype_func, __pyx_v_memview->dtype_is_object); if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 1101, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_5);
-  __pyx_r = __pyx_t_5;
-  __pyx_t_5 = 0;
+  __pyx_t_4 = __pyx_memoryview_fromslice((__pyx_v_memviewslice[0]), __pyx_v_memview->view.ndim, __pyx_v_to_object_func, __pyx_v_to_dtype_func, __pyx_v_memview->dtype_is_object); if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 1101, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_t_4);
+  __pyx_r = __pyx_t_4;
+  __pyx_t_4 = 0;
   goto __pyx_L0;
 
   /* "View.MemoryView":1087
@@ -12569,7 +14598,7 @@ static PyObject *__pyx_memoryview_copy_object_from_slice(struct __pyx_memoryview
 
   /* function exit code */
   __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_XDECREF(__pyx_t_4);
   __Pyx_AddTraceback("View.MemoryView.memoryview_copy_from_slice", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
   __pyx_L0:;
@@ -12581,62 +14610,38 @@ static PyObject *__pyx_memoryview_copy_object_from_slice(struct __pyx_memoryview
 /* "View.MemoryView":1109
  * 
  * 
- * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:             # <<<<<<<<<<<<<<
- *     if arg < 0:
- *         return -arg
+ * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) noexcept nogil:             # <<<<<<<<<<<<<<
+ *     return -arg if arg < 0 else arg
+ * 
  */
 
 static Py_ssize_t abs_py_ssize_t(Py_ssize_t __pyx_v_arg) {
   Py_ssize_t __pyx_r;
-  int __pyx_t_1;
+  Py_ssize_t __pyx_t_1;
+  int __pyx_t_2;
 
   /* "View.MemoryView":1110
  * 
- * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:
- *     if arg < 0:             # <<<<<<<<<<<<<<
- *         return -arg
- *     else:
- */
-  __pyx_t_1 = ((__pyx_v_arg < 0) != 0);
-  if (__pyx_t_1) {
-
-    /* "View.MemoryView":1111
- * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:
- *     if arg < 0:
- *         return -arg             # <<<<<<<<<<<<<<
- *     else:
- *         return arg
- */
-    __pyx_r = (-__pyx_v_arg);
-    goto __pyx_L0;
-
-    /* "View.MemoryView":1110
- * 
- * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:
- *     if arg < 0:             # <<<<<<<<<<<<<<
- *         return -arg
- *     else:
- */
-  }
-
-  /* "View.MemoryView":1113
- *         return -arg
- *     else:
- *         return arg             # <<<<<<<<<<<<<<
+ * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) noexcept nogil:
+ *     return -arg if arg < 0 else arg             # <<<<<<<<<<<<<<
  * 
  * @cname('__pyx_get_best_slice_order')
  */
-  /*else*/ {
-    __pyx_r = __pyx_v_arg;
-    goto __pyx_L0;
+  __pyx_t_2 = (__pyx_v_arg < 0);
+  if (__pyx_t_2) {
+    __pyx_t_1 = (-__pyx_v_arg);
+  } else {
+    __pyx_t_1 = __pyx_v_arg;
   }
+  __pyx_r = __pyx_t_1;
+  goto __pyx_L0;
 
   /* "View.MemoryView":1109
  * 
  * 
- * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:             # <<<<<<<<<<<<<<
- *     if arg < 0:
- *         return -arg
+ * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) noexcept nogil:             # <<<<<<<<<<<<<<
+ *     return -arg if arg < 0 else arg
+ * 
  */
 
   /* function exit code */
@@ -12644,10 +14649,10 @@ static Py_ssize_t abs_py_ssize_t(Py_ssize_t __pyx_v_arg) {
   return __pyx_r;
 }
 
-/* "View.MemoryView":1116
+/* "View.MemoryView":1113
  * 
  * @cname('__pyx_get_best_slice_order')
- * cdef char get_best_order(__Pyx_memviewslice *mslice, int ndim) nogil:             # <<<<<<<<<<<<<<
+ * cdef char get_best_order(__Pyx_memviewslice *mslice, int ndim) noexcept nogil:             # <<<<<<<<<<<<<<
  *     """
  *     Figure out the best memory access order for a given slice.
  */
@@ -12662,7 +14667,7 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
   int __pyx_t_3;
   int __pyx_t_4;
 
-  /* "View.MemoryView":1121
+  /* "View.MemoryView":1118
  *     """
  *     cdef int i
  *     cdef Py_ssize_t c_stride = 0             # <<<<<<<<<<<<<<
@@ -12671,7 +14676,7 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
  */
   __pyx_v_c_stride = 0;
 
-  /* "View.MemoryView":1122
+  /* "View.MemoryView":1119
  *     cdef int i
  *     cdef Py_ssize_t c_stride = 0
  *     cdef Py_ssize_t f_stride = 0             # <<<<<<<<<<<<<<
@@ -12680,7 +14685,7 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
  */
   __pyx_v_f_stride = 0;
 
-  /* "View.MemoryView":1124
+  /* "View.MemoryView":1121
  *     cdef Py_ssize_t f_stride = 0
  * 
  *     for i in range(ndim - 1, -1, -1):             # <<<<<<<<<<<<<<
@@ -12690,17 +14695,17 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
   for (__pyx_t_1 = (__pyx_v_ndim - 1); __pyx_t_1 > -1; __pyx_t_1-=1) {
     __pyx_v_i = __pyx_t_1;
 
-    /* "View.MemoryView":1125
+    /* "View.MemoryView":1122
  * 
  *     for i in range(ndim - 1, -1, -1):
  *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
  *             c_stride = mslice.strides[i]
  *             break
  */
-    __pyx_t_2 = (((__pyx_v_mslice->shape[__pyx_v_i]) > 1) != 0);
+    __pyx_t_2 = ((__pyx_v_mslice->shape[__pyx_v_i]) > 1);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":1126
+      /* "View.MemoryView":1123
  *     for i in range(ndim - 1, -1, -1):
  *         if mslice.shape[i] > 1:
  *             c_stride = mslice.strides[i]             # <<<<<<<<<<<<<<
@@ -12709,7 +14714,7 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
  */
       __pyx_v_c_stride = (__pyx_v_mslice->strides[__pyx_v_i]);
 
-      /* "View.MemoryView":1127
+      /* "View.MemoryView":1124
  *         if mslice.shape[i] > 1:
  *             c_stride = mslice.strides[i]
  *             break             # <<<<<<<<<<<<<<
@@ -12718,7 +14723,7 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
  */
       goto __pyx_L4_break;
 
-      /* "View.MemoryView":1125
+      /* "View.MemoryView":1122
  * 
  *     for i in range(ndim - 1, -1, -1):
  *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
@@ -12729,7 +14734,7 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
   }
   __pyx_L4_break:;
 
-  /* "View.MemoryView":1129
+  /* "View.MemoryView":1126
  *             break
  * 
  *     for i in range(ndim):             # <<<<<<<<<<<<<<
@@ -12741,17 +14746,17 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
   for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
     __pyx_v_i = __pyx_t_4;
 
-    /* "View.MemoryView":1130
+    /* "View.MemoryView":1127
  * 
  *     for i in range(ndim):
  *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
  *             f_stride = mslice.strides[i]
  *             break
  */
-    __pyx_t_2 = (((__pyx_v_mslice->shape[__pyx_v_i]) > 1) != 0);
+    __pyx_t_2 = ((__pyx_v_mslice->shape[__pyx_v_i]) > 1);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":1131
+      /* "View.MemoryView":1128
  *     for i in range(ndim):
  *         if mslice.shape[i] > 1:
  *             f_stride = mslice.strides[i]             # <<<<<<<<<<<<<<
@@ -12760,7 +14765,7 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
  */
       __pyx_v_f_stride = (__pyx_v_mslice->strides[__pyx_v_i]);
 
-      /* "View.MemoryView":1132
+      /* "View.MemoryView":1129
  *         if mslice.shape[i] > 1:
  *             f_stride = mslice.strides[i]
  *             break             # <<<<<<<<<<<<<<
@@ -12769,7 +14774,7 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
  */
       goto __pyx_L7_break;
 
-      /* "View.MemoryView":1130
+      /* "View.MemoryView":1127
  * 
  *     for i in range(ndim):
  *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
@@ -12780,17 +14785,17 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
   }
   __pyx_L7_break:;
 
-  /* "View.MemoryView":1134
+  /* "View.MemoryView":1131
  *             break
  * 
  *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):             # <<<<<<<<<<<<<<
  *         return 'C'
  *     else:
  */
-  __pyx_t_2 = ((abs_py_ssize_t(__pyx_v_c_stride) <= abs_py_ssize_t(__pyx_v_f_stride)) != 0);
+  __pyx_t_2 = (abs_py_ssize_t(__pyx_v_c_stride) <= abs_py_ssize_t(__pyx_v_f_stride));
   if (__pyx_t_2) {
 
-    /* "View.MemoryView":1135
+    /* "View.MemoryView":1132
  * 
  *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):
  *         return 'C'             # <<<<<<<<<<<<<<
@@ -12800,7 +14805,7 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
     __pyx_r = 'C';
     goto __pyx_L0;
 
-    /* "View.MemoryView":1134
+    /* "View.MemoryView":1131
  *             break
  * 
  *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):             # <<<<<<<<<<<<<<
@@ -12809,7 +14814,7 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
  */
   }
 
-  /* "View.MemoryView":1137
+  /* "View.MemoryView":1134
  *         return 'C'
  *     else:
  *         return 'F'             # <<<<<<<<<<<<<<
@@ -12821,10 +14826,10 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
     goto __pyx_L0;
   }
 
-  /* "View.MemoryView":1116
+  /* "View.MemoryView":1113
  * 
  * @cname('__pyx_get_best_slice_order')
- * cdef char get_best_order(__Pyx_memviewslice *mslice, int ndim) nogil:             # <<<<<<<<<<<<<<
+ * cdef char get_best_order(__Pyx_memviewslice *mslice, int ndim) noexcept nogil:             # <<<<<<<<<<<<<<
  *     """
  *     Figure out the best memory access order for a given slice.
  */
@@ -12834,7 +14839,7 @@ static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int _
   return __pyx_r;
 }
 
-/* "View.MemoryView":1140
+/* "View.MemoryView":1137
  * 
  * @cython.cdivision(True)
  * cdef void _copy_strided_to_strided(char *src_data, Py_ssize_t *src_strides,             # <<<<<<<<<<<<<<
@@ -12850,12 +14855,11 @@ static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v
   Py_ssize_t __pyx_v_dst_stride;
   int __pyx_t_1;
   int __pyx_t_2;
-  int __pyx_t_3;
+  Py_ssize_t __pyx_t_3;
   Py_ssize_t __pyx_t_4;
   Py_ssize_t __pyx_t_5;
-  Py_ssize_t __pyx_t_6;
 
-  /* "View.MemoryView":1147
+  /* "View.MemoryView":1144
  * 
  *     cdef Py_ssize_t i
  *     cdef Py_ssize_t src_extent = src_shape[0]             # <<<<<<<<<<<<<<
@@ -12864,7 +14868,7 @@ static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v
  */
   __pyx_v_src_extent = (__pyx_v_src_shape[0]);
 
-  /* "View.MemoryView":1148
+  /* "View.MemoryView":1145
  *     cdef Py_ssize_t i
  *     cdef Py_ssize_t src_extent = src_shape[0]
  *     cdef Py_ssize_t dst_extent = dst_shape[0]             # <<<<<<<<<<<<<<
@@ -12873,7 +14877,7 @@ static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v
  */
   __pyx_v_dst_extent = (__pyx_v_dst_shape[0]);
 
-  /* "View.MemoryView":1149
+  /* "View.MemoryView":1146
  *     cdef Py_ssize_t src_extent = src_shape[0]
  *     cdef Py_ssize_t dst_extent = dst_shape[0]
  *     cdef Py_ssize_t src_stride = src_strides[0]             # <<<<<<<<<<<<<<
@@ -12882,7 +14886,7 @@ static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v
  */
   __pyx_v_src_stride = (__pyx_v_src_strides[0]);
 
-  /* "View.MemoryView":1150
+  /* "View.MemoryView":1147
  *     cdef Py_ssize_t dst_extent = dst_shape[0]
  *     cdef Py_ssize_t src_stride = src_strides[0]
  *     cdef Py_ssize_t dst_stride = dst_strides[0]             # <<<<<<<<<<<<<<
@@ -12891,114 +14895,113 @@ static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v
  */
   __pyx_v_dst_stride = (__pyx_v_dst_strides[0]);
 
-  /* "View.MemoryView":1152
+  /* "View.MemoryView":1149
  *     cdef Py_ssize_t dst_stride = dst_strides[0]
  * 
  *     if ndim == 1:             # <<<<<<<<<<<<<<
- *        if (src_stride > 0 and dst_stride > 0 and
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *         if (src_stride > 0 and dst_stride > 0 and
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
  */
-  __pyx_t_1 = ((__pyx_v_ndim == 1) != 0);
+  __pyx_t_1 = (__pyx_v_ndim == 1);
   if (__pyx_t_1) {
 
-    /* "View.MemoryView":1153
+    /* "View.MemoryView":1150
  * 
  *     if ndim == 1:
- *        if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
+ *         if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
  */
-    __pyx_t_2 = ((__pyx_v_src_stride > 0) != 0);
+    __pyx_t_2 = (__pyx_v_src_stride > 0);
     if (__pyx_t_2) {
     } else {
       __pyx_t_1 = __pyx_t_2;
       goto __pyx_L5_bool_binop_done;
     }
-    __pyx_t_2 = ((__pyx_v_dst_stride > 0) != 0);
+    __pyx_t_2 = (__pyx_v_dst_stride > 0);
     if (__pyx_t_2) {
     } else {
       __pyx_t_1 = __pyx_t_2;
       goto __pyx_L5_bool_binop_done;
     }
 
-    /* "View.MemoryView":1154
+    /* "View.MemoryView":1151
  *     if ndim == 1:
- *        if (src_stride > 0 and dst_stride > 0 and
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):             # <<<<<<<<<<<<<<
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
- *        else:
+ *         if (src_stride > 0 and dst_stride > 0 and
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):             # <<<<<<<<<<<<<<
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
+ *         else:
  */
     __pyx_t_2 = (((size_t)__pyx_v_src_stride) == __pyx_v_itemsize);
     if (__pyx_t_2) {
       __pyx_t_2 = (__pyx_v_itemsize == ((size_t)__pyx_v_dst_stride));
     }
-    __pyx_t_3 = (__pyx_t_2 != 0);
-    __pyx_t_1 = __pyx_t_3;
+    __pyx_t_1 = __pyx_t_2;
     __pyx_L5_bool_binop_done:;
 
-    /* "View.MemoryView":1153
+    /* "View.MemoryView":1150
  * 
  *     if ndim == 1:
- *        if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
+ *         if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
  */
     if (__pyx_t_1) {
 
-      /* "View.MemoryView":1155
- *        if (src_stride > 0 and dst_stride > 0 and
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
- *            memcpy(dst_data, src_data, itemsize * dst_extent)             # <<<<<<<<<<<<<<
- *        else:
- *            for i in range(dst_extent):
+      /* "View.MemoryView":1152
+ *         if (src_stride > 0 and dst_stride > 0 and
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)             # <<<<<<<<<<<<<<
+ *         else:
+ *             for i in range(dst_extent):
  */
       (void)(memcpy(__pyx_v_dst_data, __pyx_v_src_data, (__pyx_v_itemsize * __pyx_v_dst_extent)));
 
-      /* "View.MemoryView":1153
+      /* "View.MemoryView":1150
  * 
  *     if ndim == 1:
- *        if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
+ *         if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
  */
       goto __pyx_L4;
     }
 
-    /* "View.MemoryView":1157
- *            memcpy(dst_data, src_data, itemsize * dst_extent)
- *        else:
- *            for i in range(dst_extent):             # <<<<<<<<<<<<<<
- *                memcpy(dst_data, src_data, itemsize)
- *                src_data += src_stride
+    /* "View.MemoryView":1154
+ *             memcpy(dst_data, src_data, itemsize * dst_extent)
+ *         else:
+ *             for i in range(dst_extent):             # <<<<<<<<<<<<<<
+ *                 memcpy(dst_data, src_data, itemsize)
+ *                 src_data += src_stride
  */
     /*else*/ {
-      __pyx_t_4 = __pyx_v_dst_extent;
-      __pyx_t_5 = __pyx_t_4;
-      for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
-        __pyx_v_i = __pyx_t_6;
-
-        /* "View.MemoryView":1158
- *        else:
- *            for i in range(dst_extent):
- *                memcpy(dst_data, src_data, itemsize)             # <<<<<<<<<<<<<<
- *                src_data += src_stride
- *                dst_data += dst_stride
+      __pyx_t_3 = __pyx_v_dst_extent;
+      __pyx_t_4 = __pyx_t_3;
+      for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
+        __pyx_v_i = __pyx_t_5;
+
+        /* "View.MemoryView":1155
+ *         else:
+ *             for i in range(dst_extent):
+ *                 memcpy(dst_data, src_data, itemsize)             # <<<<<<<<<<<<<<
+ *                 src_data += src_stride
+ *                 dst_data += dst_stride
  */
         (void)(memcpy(__pyx_v_dst_data, __pyx_v_src_data, __pyx_v_itemsize));
 
-        /* "View.MemoryView":1159
- *            for i in range(dst_extent):
- *                memcpy(dst_data, src_data, itemsize)
- *                src_data += src_stride             # <<<<<<<<<<<<<<
- *                dst_data += dst_stride
+        /* "View.MemoryView":1156
+ *             for i in range(dst_extent):
+ *                 memcpy(dst_data, src_data, itemsize)
+ *                 src_data += src_stride             # <<<<<<<<<<<<<<
+ *                 dst_data += dst_stride
  *     else:
  */
         __pyx_v_src_data = (__pyx_v_src_data + __pyx_v_src_stride);
 
-        /* "View.MemoryView":1160
- *                memcpy(dst_data, src_data, itemsize)
- *                src_data += src_stride
- *                dst_data += dst_stride             # <<<<<<<<<<<<<<
+        /* "View.MemoryView":1157
+ *                 memcpy(dst_data, src_data, itemsize)
+ *                 src_data += src_stride
+ *                 dst_data += dst_stride             # <<<<<<<<<<<<<<
  *     else:
  *         for i in range(dst_extent):
  */
@@ -13007,30 +15010,30 @@ static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v
     }
     __pyx_L4:;
 
-    /* "View.MemoryView":1152
+    /* "View.MemoryView":1149
  *     cdef Py_ssize_t dst_stride = dst_strides[0]
  * 
  *     if ndim == 1:             # <<<<<<<<<<<<<<
- *        if (src_stride > 0 and dst_stride > 0 and
- *            <size_t> src_stride == itemsize == <size_t> dst_stride):
+ *         if (src_stride > 0 and dst_stride > 0 and
+ *             <size_t> src_stride == itemsize == <size_t> dst_stride):
  */
     goto __pyx_L3;
   }
 
-  /* "View.MemoryView":1162
- *                dst_data += dst_stride
+  /* "View.MemoryView":1159
+ *                 dst_data += dst_stride
  *     else:
  *         for i in range(dst_extent):             # <<<<<<<<<<<<<<
  *             _copy_strided_to_strided(src_data, src_strides + 1,
  *                                      dst_data, dst_strides + 1,
  */
   /*else*/ {
-    __pyx_t_4 = __pyx_v_dst_extent;
-    __pyx_t_5 = __pyx_t_4;
-    for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
-      __pyx_v_i = __pyx_t_6;
+    __pyx_t_3 = __pyx_v_dst_extent;
+    __pyx_t_4 = __pyx_t_3;
+    for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
+      __pyx_v_i = __pyx_t_5;
 
-      /* "View.MemoryView":1163
+      /* "View.MemoryView":1160
  *     else:
  *         for i in range(dst_extent):
  *             _copy_strided_to_strided(src_data, src_strides + 1,             # <<<<<<<<<<<<<<
@@ -13039,7 +15042,7 @@ static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v
  */
       _copy_strided_to_strided(__pyx_v_src_data, (__pyx_v_src_strides + 1), __pyx_v_dst_data, (__pyx_v_dst_strides + 1), (__pyx_v_src_shape + 1), (__pyx_v_dst_shape + 1), (__pyx_v_ndim - 1), __pyx_v_itemsize);
 
-      /* "View.MemoryView":1167
+      /* "View.MemoryView":1164
  *                                      src_shape + 1, dst_shape + 1,
  *                                      ndim - 1, itemsize)
  *             src_data += src_stride             # <<<<<<<<<<<<<<
@@ -13048,7 +15051,7 @@ static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v
  */
       __pyx_v_src_data = (__pyx_v_src_data + __pyx_v_src_stride);
 
-      /* "View.MemoryView":1168
+      /* "View.MemoryView":1165
  *                                      ndim - 1, itemsize)
  *             src_data += src_stride
  *             dst_data += dst_stride             # <<<<<<<<<<<<<<
@@ -13060,7 +15063,7 @@ static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v
   }
   __pyx_L3:;
 
-  /* "View.MemoryView":1140
+  /* "View.MemoryView":1137
  * 
  * @cython.cdivision(True)
  * cdef void _copy_strided_to_strided(char *src_data, Py_ssize_t *src_strides,             # <<<<<<<<<<<<<<
@@ -13071,40 +15074,40 @@ static void _copy_strided_to_strided(char *__pyx_v_src_data, Py_ssize_t *__pyx_v
   /* function exit code */
 }
 
-/* "View.MemoryView":1170
+/* "View.MemoryView":1167
  *             dst_data += dst_stride
  * 
  * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
  *                                   __Pyx_memviewslice *dst,
- *                                   int ndim, size_t itemsize) nogil:
+ *                                   int ndim, size_t itemsize) noexcept nogil:
  */
 
 static void copy_strided_to_strided(__Pyx_memviewslice *__pyx_v_src, __Pyx_memviewslice *__pyx_v_dst, int __pyx_v_ndim, size_t __pyx_v_itemsize) {
 
-  /* "View.MemoryView":1173
+  /* "View.MemoryView":1170
  *                                   __Pyx_memviewslice *dst,
- *                                   int ndim, size_t itemsize) nogil:
+ *                                   int ndim, size_t itemsize) noexcept nogil:
  *     _copy_strided_to_strided(src.data, src.strides, dst.data, dst.strides,             # <<<<<<<<<<<<<<
  *                              src.shape, dst.shape, ndim, itemsize)
  * 
  */
   _copy_strided_to_strided(__pyx_v_src->data, __pyx_v_src->strides, __pyx_v_dst->data, __pyx_v_dst->strides, __pyx_v_src->shape, __pyx_v_dst->shape, __pyx_v_ndim, __pyx_v_itemsize);
 
-  /* "View.MemoryView":1170
+  /* "View.MemoryView":1167
  *             dst_data += dst_stride
  * 
  * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
  *                                   __Pyx_memviewslice *dst,
- *                                   int ndim, size_t itemsize) nogil:
+ *                                   int ndim, size_t itemsize) noexcept nogil:
  */
 
   /* function exit code */
 }
 
-/* "View.MemoryView":1177
+/* "View.MemoryView":1174
  * 
  * @cname('__pyx_memoryview_slice_get_size')
- * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) nogil:             # <<<<<<<<<<<<<<
+ * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) noexcept nogil:             # <<<<<<<<<<<<<<
  *     "Return the size of the memory occupied by the slice in number of bytes"
  *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
  */
@@ -13118,8 +15121,8 @@ static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *__pyx_v_sr
   Py_ssize_t *__pyx_t_3;
   Py_ssize_t *__pyx_t_4;
 
-  /* "View.MemoryView":1179
- * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) nogil:
+  /* "View.MemoryView":1176
+ * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) noexcept nogil:
  *     "Return the size of the memory occupied by the slice in number of bytes"
  *     cdef Py_ssize_t shape, size = src.memview.view.itemsize             # <<<<<<<<<<<<<<
  * 
@@ -13128,7 +15131,7 @@ static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *__pyx_v_sr
   __pyx_t_1 = __pyx_v_src->memview->view.itemsize;
   __pyx_v_size = __pyx_t_1;
 
-  /* "View.MemoryView":1181
+  /* "View.MemoryView":1178
  *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
  * 
  *     for shape in src.shape[:ndim]:             # <<<<<<<<<<<<<<
@@ -13140,7 +15143,7 @@ static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *__pyx_v_sr
     __pyx_t_2 = __pyx_t_4;
     __pyx_v_shape = (__pyx_t_2[0]);
 
-    /* "View.MemoryView":1182
+    /* "View.MemoryView":1179
  * 
  *     for shape in src.shape[:ndim]:
  *         size *= shape             # <<<<<<<<<<<<<<
@@ -13150,7 +15153,7 @@ static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *__pyx_v_sr
     __pyx_v_size = (__pyx_v_size * __pyx_v_shape);
   }
 
-  /* "View.MemoryView":1184
+  /* "View.MemoryView":1181
  *         size *= shape
  * 
  *     return size             # <<<<<<<<<<<<<<
@@ -13160,10 +15163,10 @@ static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *__pyx_v_sr
   __pyx_r = __pyx_v_size;
   goto __pyx_L0;
 
-  /* "View.MemoryView":1177
+  /* "View.MemoryView":1174
  * 
  * @cname('__pyx_memoryview_slice_get_size')
- * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) nogil:             # <<<<<<<<<<<<<<
+ * cdef Py_ssize_t slice_get_size(__Pyx_memviewslice *src, int ndim) noexcept nogil:             # <<<<<<<<<<<<<<
  *     "Return the size of the memory occupied by the slice in number of bytes"
  *     cdef Py_ssize_t shape, size = src.memview.view.itemsize
  */
@@ -13173,12 +15176,12 @@ static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *__pyx_v_sr
   return __pyx_r;
 }
 
-/* "View.MemoryView":1187
+/* "View.MemoryView":1184
  * 
  * @cname('__pyx_fill_contig_strides_array')
  * cdef Py_ssize_t fill_contig_strides_array(             # <<<<<<<<<<<<<<
  *                 Py_ssize_t *shape, Py_ssize_t *strides, Py_ssize_t stride,
- *                 int ndim, char order) nogil:
+ *                 int ndim, char order) noexcept nogil:
  */
 
 static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, Py_ssize_t __pyx_v_stride, int __pyx_v_ndim, char __pyx_v_order) {
@@ -13189,17 +15192,17 @@ static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_
   int __pyx_t_3;
   int __pyx_t_4;
 
-  /* "View.MemoryView":1196
+  /* "View.MemoryView":1193
  *     cdef int idx
  * 
  *     if order == 'F':             # <<<<<<<<<<<<<<
  *         for idx in range(ndim):
  *             strides[idx] = stride
  */
-  __pyx_t_1 = ((__pyx_v_order == 'F') != 0);
+  __pyx_t_1 = (__pyx_v_order == 'F');
   if (__pyx_t_1) {
 
-    /* "View.MemoryView":1197
+    /* "View.MemoryView":1194
  * 
  *     if order == 'F':
  *         for idx in range(ndim):             # <<<<<<<<<<<<<<
@@ -13211,7 +15214,7 @@ static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_
     for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
       __pyx_v_idx = __pyx_t_4;
 
-      /* "View.MemoryView":1198
+      /* "View.MemoryView":1195
  *     if order == 'F':
  *         for idx in range(ndim):
  *             strides[idx] = stride             # <<<<<<<<<<<<<<
@@ -13220,7 +15223,7 @@ static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_
  */
       (__pyx_v_strides[__pyx_v_idx]) = __pyx_v_stride;
 
-      /* "View.MemoryView":1199
+      /* "View.MemoryView":1196
  *         for idx in range(ndim):
  *             strides[idx] = stride
  *             stride *= shape[idx]             # <<<<<<<<<<<<<<
@@ -13230,7 +15233,7 @@ static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_
       __pyx_v_stride = (__pyx_v_stride * (__pyx_v_shape[__pyx_v_idx]));
     }
 
-    /* "View.MemoryView":1196
+    /* "View.MemoryView":1193
  *     cdef int idx
  * 
  *     if order == 'F':             # <<<<<<<<<<<<<<
@@ -13240,7 +15243,7 @@ static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_
     goto __pyx_L3;
   }
 
-  /* "View.MemoryView":1201
+  /* "View.MemoryView":1198
  *             stride *= shape[idx]
  *     else:
  *         for idx in range(ndim - 1, -1, -1):             # <<<<<<<<<<<<<<
@@ -13251,7 +15254,7 @@ static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_
     for (__pyx_t_2 = (__pyx_v_ndim - 1); __pyx_t_2 > -1; __pyx_t_2-=1) {
       __pyx_v_idx = __pyx_t_2;
 
-      /* "View.MemoryView":1202
+      /* "View.MemoryView":1199
  *     else:
  *         for idx in range(ndim - 1, -1, -1):
  *             strides[idx] = stride             # <<<<<<<<<<<<<<
@@ -13260,7 +15263,7 @@ static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_
  */
       (__pyx_v_strides[__pyx_v_idx]) = __pyx_v_stride;
 
-      /* "View.MemoryView":1203
+      /* "View.MemoryView":1200
  *         for idx in range(ndim - 1, -1, -1):
  *             strides[idx] = stride
  *             stride *= shape[idx]             # <<<<<<<<<<<<<<
@@ -13272,7 +15275,7 @@ static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_
   }
   __pyx_L3:;
 
-  /* "View.MemoryView":1205
+  /* "View.MemoryView":1202
  *             stride *= shape[idx]
  * 
  *     return stride             # <<<<<<<<<<<<<<
@@ -13282,12 +15285,12 @@ static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_
   __pyx_r = __pyx_v_stride;
   goto __pyx_L0;
 
-  /* "View.MemoryView":1187
+  /* "View.MemoryView":1184
  * 
  * @cname('__pyx_fill_contig_strides_array')
  * cdef Py_ssize_t fill_contig_strides_array(             # <<<<<<<<<<<<<<
  *                 Py_ssize_t *shape, Py_ssize_t *strides, Py_ssize_t stride,
- *                 int ndim, char order) nogil:
+ *                 int ndim, char order) noexcept nogil:
  */
 
   /* function exit code */
@@ -13295,7 +15298,7 @@ static Py_ssize_t __pyx_fill_contig_strides_array(Py_ssize_t *__pyx_v_shape, Py_
   return __pyx_r;
 }
 
-/* "View.MemoryView":1208
+/* "View.MemoryView":1205
  * 
  * @cname('__pyx_memoryview_copy_data_to_temp')
  * cdef void *copy_data_to_temp(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
@@ -13318,8 +15321,11 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
+  #ifdef WITH_THREAD
+  PyGILState_STATE __pyx_gilstate_save;
+  #endif
 
-  /* "View.MemoryView":1219
+  /* "View.MemoryView":1216
  *     cdef void *result
  * 
  *     cdef size_t itemsize = src.memview.view.itemsize             # <<<<<<<<<<<<<<
@@ -13329,7 +15335,7 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
   __pyx_t_1 = __pyx_v_src->memview->view.itemsize;
   __pyx_v_itemsize = __pyx_t_1;
 
-  /* "View.MemoryView":1220
+  /* "View.MemoryView":1217
  * 
  *     cdef size_t itemsize = src.memview.view.itemsize
  *     cdef size_t size = slice_get_size(src, ndim)             # <<<<<<<<<<<<<<
@@ -13338,44 +15344,44 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
  */
   __pyx_v_size = __pyx_memoryview_slice_get_size(__pyx_v_src, __pyx_v_ndim);
 
-  /* "View.MemoryView":1222
+  /* "View.MemoryView":1219
  *     cdef size_t size = slice_get_size(src, ndim)
  * 
  *     result = malloc(size)             # <<<<<<<<<<<<<<
  *     if not result:
- *         _err(MemoryError, NULL)
+ *         _err_no_memory()
  */
   __pyx_v_result = malloc(__pyx_v_size);
 
-  /* "View.MemoryView":1223
+  /* "View.MemoryView":1220
  * 
  *     result = malloc(size)
  *     if not result:             # <<<<<<<<<<<<<<
- *         _err(MemoryError, NULL)
+ *         _err_no_memory()
  * 
  */
-  __pyx_t_2 = ((!(__pyx_v_result != 0)) != 0);
+  __pyx_t_2 = (!(__pyx_v_result != 0));
   if (__pyx_t_2) {
 
-    /* "View.MemoryView":1224
+    /* "View.MemoryView":1221
  *     result = malloc(size)
  *     if not result:
- *         _err(MemoryError, NULL)             # <<<<<<<<<<<<<<
+ *         _err_no_memory()             # <<<<<<<<<<<<<<
  * 
  * 
  */
-    __pyx_t_3 = __pyx_memoryview_err(__pyx_builtin_MemoryError, NULL); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 1224, __pyx_L1_error)
+    __pyx_t_3 = __pyx_memoryview_err_no_memory(); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 1221, __pyx_L1_error)
 
-    /* "View.MemoryView":1223
+    /* "View.MemoryView":1220
  * 
  *     result = malloc(size)
  *     if not result:             # <<<<<<<<<<<<<<
- *         _err(MemoryError, NULL)
+ *         _err_no_memory()
  * 
  */
   }
 
-  /* "View.MemoryView":1227
+  /* "View.MemoryView":1224
  * 
  * 
  *     tmpslice.data = <char *> result             # <<<<<<<<<<<<<<
@@ -13384,7 +15390,7 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
  */
   __pyx_v_tmpslice->data = ((char *)__pyx_v_result);
 
-  /* "View.MemoryView":1228
+  /* "View.MemoryView":1225
  * 
  *     tmpslice.data = <char *> result
  *     tmpslice.memview = src.memview             # <<<<<<<<<<<<<<
@@ -13394,7 +15400,7 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
   __pyx_t_4 = __pyx_v_src->memview;
   __pyx_v_tmpslice->memview = __pyx_t_4;
 
-  /* "View.MemoryView":1229
+  /* "View.MemoryView":1226
  *     tmpslice.data = <char *> result
  *     tmpslice.memview = src.memview
  *     for i in range(ndim):             # <<<<<<<<<<<<<<
@@ -13406,7 +15412,7 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
   for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
     __pyx_v_i = __pyx_t_6;
 
-    /* "View.MemoryView":1230
+    /* "View.MemoryView":1227
  *     tmpslice.memview = src.memview
  *     for i in range(ndim):
  *         tmpslice.shape[i] = src.shape[i]             # <<<<<<<<<<<<<<
@@ -13415,26 +15421,26 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
  */
     (__pyx_v_tmpslice->shape[__pyx_v_i]) = (__pyx_v_src->shape[__pyx_v_i]);
 
-    /* "View.MemoryView":1231
+    /* "View.MemoryView":1228
  *     for i in range(ndim):
  *         tmpslice.shape[i] = src.shape[i]
  *         tmpslice.suboffsets[i] = -1             # <<<<<<<<<<<<<<
  * 
- *     fill_contig_strides_array(&tmpslice.shape[0], &tmpslice.strides[0], itemsize,
+ *     fill_contig_strides_array(&tmpslice.shape[0], &tmpslice.strides[0], itemsize, ndim, order)
  */
     (__pyx_v_tmpslice->suboffsets[__pyx_v_i]) = -1L;
   }
 
-  /* "View.MemoryView":1233
+  /* "View.MemoryView":1230
  *         tmpslice.suboffsets[i] = -1
  * 
- *     fill_contig_strides_array(&tmpslice.shape[0], &tmpslice.strides[0], itemsize,             # <<<<<<<<<<<<<<
- *                               ndim, order)
+ *     fill_contig_strides_array(&tmpslice.shape[0], &tmpslice.strides[0], itemsize, ndim, order)             # <<<<<<<<<<<<<<
+ * 
  * 
  */
   (void)(__pyx_fill_contig_strides_array((&(__pyx_v_tmpslice->shape[0])), (&(__pyx_v_tmpslice->strides[0])), __pyx_v_itemsize, __pyx_v_ndim, __pyx_v_order));
 
-  /* "View.MemoryView":1237
+  /* "View.MemoryView":1233
  * 
  * 
  *     for i in range(ndim):             # <<<<<<<<<<<<<<
@@ -13446,17 +15452,17 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
   for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
     __pyx_v_i = __pyx_t_6;
 
-    /* "View.MemoryView":1238
+    /* "View.MemoryView":1234
  * 
  *     for i in range(ndim):
  *         if tmpslice.shape[i] == 1:             # <<<<<<<<<<<<<<
  *             tmpslice.strides[i] = 0
  * 
  */
-    __pyx_t_2 = (((__pyx_v_tmpslice->shape[__pyx_v_i]) == 1) != 0);
+    __pyx_t_2 = ((__pyx_v_tmpslice->shape[__pyx_v_i]) == 1);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":1239
+      /* "View.MemoryView":1235
  *     for i in range(ndim):
  *         if tmpslice.shape[i] == 1:
  *             tmpslice.strides[i] = 0             # <<<<<<<<<<<<<<
@@ -13465,7 +15471,7 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
  */
       (__pyx_v_tmpslice->strides[__pyx_v_i]) = 0;
 
-      /* "View.MemoryView":1238
+      /* "View.MemoryView":1234
  * 
  *     for i in range(ndim):
  *         if tmpslice.shape[i] == 1:             # <<<<<<<<<<<<<<
@@ -13475,17 +15481,17 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
     }
   }
 
-  /* "View.MemoryView":1241
+  /* "View.MemoryView":1237
  *             tmpslice.strides[i] = 0
  * 
  *     if slice_is_contig(src[0], order, ndim):             # <<<<<<<<<<<<<<
  *         memcpy(result, src.data, size)
  *     else:
  */
-  __pyx_t_2 = (__pyx_memviewslice_is_contig((__pyx_v_src[0]), __pyx_v_order, __pyx_v_ndim) != 0);
+  __pyx_t_2 = __pyx_memviewslice_is_contig((__pyx_v_src[0]), __pyx_v_order, __pyx_v_ndim);
   if (__pyx_t_2) {
 
-    /* "View.MemoryView":1242
+    /* "View.MemoryView":1238
  * 
  *     if slice_is_contig(src[0], order, ndim):
  *         memcpy(result, src.data, size)             # <<<<<<<<<<<<<<
@@ -13494,7 +15500,7 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
  */
     (void)(memcpy(__pyx_v_result, __pyx_v_src->data, __pyx_v_size));
 
-    /* "View.MemoryView":1241
+    /* "View.MemoryView":1237
  *             tmpslice.strides[i] = 0
  * 
  *     if slice_is_contig(src[0], order, ndim):             # <<<<<<<<<<<<<<
@@ -13504,7 +15510,7 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
     goto __pyx_L9;
   }
 
-  /* "View.MemoryView":1244
+  /* "View.MemoryView":1240
  *         memcpy(result, src.data, size)
  *     else:
  *         copy_strided_to_strided(src, tmpslice, ndim, itemsize)             # <<<<<<<<<<<<<<
@@ -13516,7 +15522,7 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
   }
   __pyx_L9:;
 
-  /* "View.MemoryView":1246
+  /* "View.MemoryView":1242
  *         copy_strided_to_strided(src, tmpslice, ndim, itemsize)
  * 
  *     return result             # <<<<<<<<<<<<<<
@@ -13526,7 +15532,7 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
   __pyx_r = __pyx_v_result;
   goto __pyx_L0;
 
-  /* "View.MemoryView":1208
+  /* "View.MemoryView":1205
  * 
  * @cname('__pyx_memoryview_copy_data_to_temp')
  * cdef void *copy_data_to_temp(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
@@ -13536,34 +15542,32 @@ static void *__pyx_memoryview_copy_data_to_temp(__Pyx_memviewslice *__pyx_v_src,
 
   /* function exit code */
   __pyx_L1_error:;
-  {
-    #ifdef WITH_THREAD
-    PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
-    #endif
-    __Pyx_AddTraceback("View.MemoryView.copy_data_to_temp", __pyx_clineno, __pyx_lineno, __pyx_filename);
-    #ifdef WITH_THREAD
-    __Pyx_PyGILState_Release(__pyx_gilstate_save);
-    #endif
-  }
+  #ifdef WITH_THREAD
+  __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
+  #endif
+  __Pyx_AddTraceback("View.MemoryView.copy_data_to_temp", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
+  #ifdef WITH_THREAD
+  __Pyx_PyGILState_Release(__pyx_gilstate_save);
+  #endif
   __pyx_L0:;
   return __pyx_r;
 }
 
-/* "View.MemoryView":1251
+/* "View.MemoryView":1247
  * 
  * @cname('__pyx_memoryview_err_extents')
  * cdef int _err_extents(int i, Py_ssize_t extent1,             # <<<<<<<<<<<<<<
  *                              Py_ssize_t extent2) except -1 with gil:
- *     raise ValueError("got differing extents in dimension %d (got %d and %d)" %
+ *     raise ValueError, f"got differing extents in dimension {i} (got {extent1} and {extent2})"
  */
 
 static int __pyx_memoryview_err_extents(int __pyx_v_i, Py_ssize_t __pyx_v_extent1, Py_ssize_t __pyx_v_extent2) {
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   PyObject *__pyx_t_1 = NULL;
-  PyObject *__pyx_t_2 = NULL;
-  PyObject *__pyx_t_3 = NULL;
+  Py_ssize_t __pyx_t_2;
+  Py_UCS4 __pyx_t_3;
   PyObject *__pyx_t_4 = NULL;
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
@@ -13573,61 +15577,69 @@ static int __pyx_memoryview_err_extents(int __pyx_v_i, Py_ssize_t __pyx_v_extent
   #endif
   __Pyx_RefNannySetupContext("_err_extents", 0);
 
-  /* "View.MemoryView":1254
+  /* "View.MemoryView":1249
+ * cdef int _err_extents(int i, Py_ssize_t extent1,
  *                              Py_ssize_t extent2) except -1 with gil:
- *     raise ValueError("got differing extents in dimension %d (got %d and %d)" %
- *                                                         (i, extent1, extent2))             # <<<<<<<<<<<<<<
+ *     raise ValueError, f"got differing extents in dimension {i} (got {extent1} and {extent2})"             # <<<<<<<<<<<<<<
  * 
  * @cname('__pyx_memoryview_err_dim')
  */
-  __pyx_t_1 = __Pyx_PyInt_From_int(__pyx_v_i); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 1254, __pyx_L1_error)
+  __pyx_t_1 = PyTuple_New(7); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 1249, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = PyInt_FromSsize_t(__pyx_v_extent1); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1254, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_2);
-  __pyx_t_3 = PyInt_FromSsize_t(__pyx_v_extent2); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 1254, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 1254, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_4);
-  __Pyx_GIVEREF(__pyx_t_1);
-  PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_1);
-  __Pyx_GIVEREF(__pyx_t_2);
-  PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_t_2);
-  __Pyx_GIVEREF(__pyx_t_3);
-  PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_t_3);
-  __pyx_t_1 = 0;
   __pyx_t_2 = 0;
-  __pyx_t_3 = 0;
-
-  /* "View.MemoryView":1253
- * cdef int _err_extents(int i, Py_ssize_t extent1,
- *                              Py_ssize_t extent2) except -1 with gil:
- *     raise ValueError("got differing extents in dimension %d (got %d and %d)" %             # <<<<<<<<<<<<<<
- *                                                         (i, extent1, extent2))
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  *     if src_ndim < dst_ndim:
  *         broadcast_leading(&src, src_ndim, dst_ndim)             # <<<<<<<<<<<<<<
@@ -13927,7 +15901,7 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
     __pyx_memoryview_broadcast_leading((&__pyx_v_src), __pyx_v_src_ndim, __pyx_v_dst_ndim);
 
-    /* "View.MemoryView":1284
+    /* "View.MemoryView":1281
  *     cdef __Pyx_memviewslice tmp
  * 
  *     if src_ndim < dst_ndim:             # <<<<<<<<<<<<<<
@@ -13937,17 +15911,17 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
     goto __pyx_L3;
   }
 
-  /* "View.MemoryView":1286
+  /* "View.MemoryView":1283
  *     if src_ndim < dst_ndim:
  *         broadcast_leading(&src, src_ndim, dst_ndim)
  *     elif dst_ndim < src_ndim:             # <<<<<<<<<<<<<<
  *         broadcast_leading(&dst, dst_ndim, src_ndim)
  * 
  */
-  __pyx_t_2 = ((__pyx_v_dst_ndim < __pyx_v_src_ndim) != 0);
+  __pyx_t_2 = (__pyx_v_dst_ndim < __pyx_v_src_ndim);
   if (__pyx_t_2) {
 
-    /* "View.MemoryView":1287
+    /* "View.MemoryView":1284
  *         broadcast_leading(&src, src_ndim, dst_ndim)
  *     elif dst_ndim < src_ndim:
  *         broadcast_leading(&dst, dst_ndim, src_ndim)             # <<<<<<<<<<<<<<
@@ -13956,7 +15930,7 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
     __pyx_memoryview_broadcast_leading((&__pyx_v_dst), __pyx_v_dst_ndim, __pyx_v_src_ndim);
 
-    /* "View.MemoryView":1286
+    /* "View.MemoryView":1283
  *     if src_ndim < dst_ndim:
  *         broadcast_leading(&src, src_ndim, dst_ndim)
  *     elif dst_ndim < src_ndim:             # <<<<<<<<<<<<<<
@@ -13966,7 +15940,7 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
   }
   __pyx_L3:;
 
-  /* "View.MemoryView":1289
+  /* "View.MemoryView":1286
  *         broadcast_leading(&dst, dst_ndim, src_ndim)
  * 
  *     cdef int ndim = max(src_ndim, dst_ndim)             # <<<<<<<<<<<<<<
@@ -13975,14 +15949,15 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
   __pyx_t_3 = __pyx_v_dst_ndim;
   __pyx_t_4 = __pyx_v_src_ndim;
-  if (((__pyx_t_3 > __pyx_t_4) != 0)) {
+  __pyx_t_2 = (__pyx_t_3 > __pyx_t_4);
+  if (__pyx_t_2) {
     __pyx_t_5 = __pyx_t_3;
   } else {
     __pyx_t_5 = __pyx_t_4;
   }
   __pyx_v_ndim = __pyx_t_5;
 
-  /* "View.MemoryView":1291
+  /* "View.MemoryView":1288
  *     cdef int ndim = max(src_ndim, dst_ndim)
  * 
  *     for i in range(ndim):             # <<<<<<<<<<<<<<
@@ -13994,27 +15969,27 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
   for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
     __pyx_v_i = __pyx_t_4;
 
-    /* "View.MemoryView":1292
+    /* "View.MemoryView":1289
  * 
  *     for i in range(ndim):
  *         if src.shape[i] != dst.shape[i]:             # <<<<<<<<<<<<<<
  *             if src.shape[i] == 1:
  *                 broadcasting = True
  */
-    __pyx_t_2 = (((__pyx_v_src.shape[__pyx_v_i]) != (__pyx_v_dst.shape[__pyx_v_i])) != 0);
+    __pyx_t_2 = ((__pyx_v_src.shape[__pyx_v_i]) != (__pyx_v_dst.shape[__pyx_v_i]));
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":1293
+      /* "View.MemoryView":1290
  *     for i in range(ndim):
  *         if src.shape[i] != dst.shape[i]:
  *             if src.shape[i] == 1:             # <<<<<<<<<<<<<<
  *                 broadcasting = True
  *                 src.strides[i] = 0
  */
-      __pyx_t_2 = (((__pyx_v_src.shape[__pyx_v_i]) == 1) != 0);
+      __pyx_t_2 = ((__pyx_v_src.shape[__pyx_v_i]) == 1);
       if (__pyx_t_2) {
 
-        /* "View.MemoryView":1294
+        /* "View.MemoryView":1291
  *         if src.shape[i] != dst.shape[i]:
  *             if src.shape[i] == 1:
  *                 broadcasting = True             # <<<<<<<<<<<<<<
@@ -14023,7 +15998,7 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
         __pyx_v_broadcasting = 1;
 
-        /* "View.MemoryView":1295
+        /* "View.MemoryView":1292
  *             if src.shape[i] == 1:
  *                 broadcasting = True
  *                 src.strides[i] = 0             # <<<<<<<<<<<<<<
@@ -14032,7 +16007,7 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
         (__pyx_v_src.strides[__pyx_v_i]) = 0;
 
-        /* "View.MemoryView":1293
+        /* "View.MemoryView":1290
  *     for i in range(ndim):
  *         if src.shape[i] != dst.shape[i]:
  *             if src.shape[i] == 1:             # <<<<<<<<<<<<<<
@@ -14042,7 +16017,7 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
         goto __pyx_L7;
       }
 
-      /* "View.MemoryView":1297
+      /* "View.MemoryView":1294
  *                 src.strides[i] = 0
  *             else:
  *                 _err_extents(i, dst.shape[i], src.shape[i])             # <<<<<<<<<<<<<<
@@ -14050,11 +16025,11 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  *         if src.suboffsets[i] >= 0:
  */
       /*else*/ {
-        __pyx_t_6 = __pyx_memoryview_err_extents(__pyx_v_i, (__pyx_v_dst.shape[__pyx_v_i]), (__pyx_v_src.shape[__pyx_v_i])); if (unlikely(__pyx_t_6 == ((int)-1))) __PYX_ERR(1, 1297, __pyx_L1_error)
+        __pyx_t_6 = __pyx_memoryview_err_extents(__pyx_v_i, (__pyx_v_dst.shape[__pyx_v_i]), (__pyx_v_src.shape[__pyx_v_i])); if (unlikely(__pyx_t_6 == ((int)-1))) __PYX_ERR(1, 1294, __pyx_L1_error)
       }
       __pyx_L7:;
 
-      /* "View.MemoryView":1292
+      /* "View.MemoryView":1289
  * 
  *     for i in range(ndim):
  *         if src.shape[i] != dst.shape[i]:             # <<<<<<<<<<<<<<
@@ -14063,56 +16038,56 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
     }
 
-    /* "View.MemoryView":1299
+    /* "View.MemoryView":1296
  *                 _err_extents(i, dst.shape[i], src.shape[i])
  * 
  *         if src.suboffsets[i] >= 0:             # <<<<<<<<<<<<<<
- *             _err_dim(ValueError, "Dimension %d is not direct", i)
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)
  * 
  */
-    __pyx_t_2 = (((__pyx_v_src.suboffsets[__pyx_v_i]) >= 0) != 0);
+    __pyx_t_2 = ((__pyx_v_src.suboffsets[__pyx_v_i]) >= 0);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":1300
+      /* "View.MemoryView":1297
  * 
  *         if src.suboffsets[i] >= 0:
- *             _err_dim(ValueError, "Dimension %d is not direct", i)             # <<<<<<<<<<<<<<
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)             # <<<<<<<<<<<<<<
  * 
  *     if slices_overlap(&src, &dst, ndim, itemsize):
  */
-      __pyx_t_6 = __pyx_memoryview_err_dim(__pyx_builtin_ValueError, ((char *)"Dimension %d is not direct"), __pyx_v_i); if (unlikely(__pyx_t_6 == ((int)-1))) __PYX_ERR(1, 1300, __pyx_L1_error)
+      __pyx_t_6 = __pyx_memoryview_err_dim(PyExc_ValueError, __pyx_kp_s_Dimension_d_is_not_direct, __pyx_v_i); if (unlikely(__pyx_t_6 == ((int)-1))) __PYX_ERR(1, 1297, __pyx_L1_error)
 
-      /* "View.MemoryView":1299
+      /* "View.MemoryView":1296
  *                 _err_extents(i, dst.shape[i], src.shape[i])
  * 
  *         if src.suboffsets[i] >= 0:             # <<<<<<<<<<<<<<
- *             _err_dim(ValueError, "Dimension %d is not direct", i)
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)
  * 
  */
     }
   }
 
-  /* "View.MemoryView":1302
- *             _err_dim(ValueError, "Dimension %d is not direct", i)
+  /* "View.MemoryView":1299
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)
  * 
  *     if slices_overlap(&src, &dst, ndim, itemsize):             # <<<<<<<<<<<<<<
  * 
  *         if not slice_is_contig(src, order, ndim):
  */
-  __pyx_t_2 = (__pyx_slices_overlap((&__pyx_v_src), (&__pyx_v_dst), __pyx_v_ndim, __pyx_v_itemsize) != 0);
+  __pyx_t_2 = __pyx_slices_overlap((&__pyx_v_src), (&__pyx_v_dst), __pyx_v_ndim, __pyx_v_itemsize);
   if (__pyx_t_2) {
 
-    /* "View.MemoryView":1304
+    /* "View.MemoryView":1301
  *     if slices_overlap(&src, &dst, ndim, itemsize):
  * 
  *         if not slice_is_contig(src, order, ndim):             # <<<<<<<<<<<<<<
  *             order = get_best_order(&dst, ndim)
  * 
  */
-    __pyx_t_2 = ((!(__pyx_memviewslice_is_contig(__pyx_v_src, __pyx_v_order, __pyx_v_ndim) != 0)) != 0);
+    __pyx_t_2 = (!__pyx_memviewslice_is_contig(__pyx_v_src, __pyx_v_order, __pyx_v_ndim));
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":1305
+      /* "View.MemoryView":1302
  * 
  *         if not slice_is_contig(src, order, ndim):
  *             order = get_best_order(&dst, ndim)             # <<<<<<<<<<<<<<
@@ -14121,7 +16096,7 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
       __pyx_v_order = __pyx_get_best_slice_order((&__pyx_v_dst), __pyx_v_ndim);
 
-      /* "View.MemoryView":1304
+      /* "View.MemoryView":1301
  *     if slices_overlap(&src, &dst, ndim, itemsize):
  * 
  *         if not slice_is_contig(src, order, ndim):             # <<<<<<<<<<<<<<
@@ -14130,17 +16105,17 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
     }
 
-    /* "View.MemoryView":1307
+    /* "View.MemoryView":1304
  *             order = get_best_order(&dst, ndim)
  * 
  *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)             # <<<<<<<<<<<<<<
  *         src = tmp
  * 
  */
-    __pyx_t_7 = __pyx_memoryview_copy_data_to_temp((&__pyx_v_src), (&__pyx_v_tmp), __pyx_v_order, __pyx_v_ndim); if (unlikely(__pyx_t_7 == ((void *)NULL))) __PYX_ERR(1, 1307, __pyx_L1_error)
+    __pyx_t_7 = __pyx_memoryview_copy_data_to_temp((&__pyx_v_src), (&__pyx_v_tmp), __pyx_v_order, __pyx_v_ndim); if (unlikely(__pyx_t_7 == ((void *)NULL))) __PYX_ERR(1, 1304, __pyx_L1_error)
     __pyx_v_tmpdata = __pyx_t_7;
 
-    /* "View.MemoryView":1308
+    /* "View.MemoryView":1305
  * 
  *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)
  *         src = tmp             # <<<<<<<<<<<<<<
@@ -14149,8 +16124,8 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
     __pyx_v_src = __pyx_v_tmp;
 
-    /* "View.MemoryView":1302
- *             _err_dim(ValueError, "Dimension %d is not direct", i)
+    /* "View.MemoryView":1299
+ *             _err_dim(PyExc_ValueError, "Dimension %d is not direct", i)
  * 
  *     if slices_overlap(&src, &dst, ndim, itemsize):             # <<<<<<<<<<<<<<
  * 
@@ -14158,27 +16133,27 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
   }
 
-  /* "View.MemoryView":1310
+  /* "View.MemoryView":1307
  *         src = tmp
  * 
  *     if not broadcasting:             # <<<<<<<<<<<<<<
  * 
  * 
  */
-  __pyx_t_2 = ((!(__pyx_v_broadcasting != 0)) != 0);
+  __pyx_t_2 = (!__pyx_v_broadcasting);
   if (__pyx_t_2) {
 
-    /* "View.MemoryView":1313
+    /* "View.MemoryView":1310
  * 
  * 
  *         if slice_is_contig(src, 'C', ndim):             # <<<<<<<<<<<<<<
  *             direct_copy = slice_is_contig(dst, 'C', ndim)
  *         elif slice_is_contig(src, 'F', ndim):
  */
-    __pyx_t_2 = (__pyx_memviewslice_is_contig(__pyx_v_src, 'C', __pyx_v_ndim) != 0);
+    __pyx_t_2 = __pyx_memviewslice_is_contig(__pyx_v_src, 'C', __pyx_v_ndim);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":1314
+      /* "View.MemoryView":1311
  * 
  *         if slice_is_contig(src, 'C', ndim):
  *             direct_copy = slice_is_contig(dst, 'C', ndim)             # <<<<<<<<<<<<<<
@@ -14187,7 +16162,7 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
       __pyx_v_direct_copy = __pyx_memviewslice_is_contig(__pyx_v_dst, 'C', __pyx_v_ndim);
 
-      /* "View.MemoryView":1313
+      /* "View.MemoryView":1310
  * 
  * 
  *         if slice_is_contig(src, 'C', ndim):             # <<<<<<<<<<<<<<
@@ -14197,17 +16172,17 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
       goto __pyx_L12;
     }
 
-    /* "View.MemoryView":1315
+    /* "View.MemoryView":1312
  *         if slice_is_contig(src, 'C', ndim):
  *             direct_copy = slice_is_contig(dst, 'C', ndim)
  *         elif slice_is_contig(src, 'F', ndim):             # <<<<<<<<<<<<<<
  *             direct_copy = slice_is_contig(dst, 'F', ndim)
  * 
  */
-    __pyx_t_2 = (__pyx_memviewslice_is_contig(__pyx_v_src, 'F', __pyx_v_ndim) != 0);
+    __pyx_t_2 = __pyx_memviewslice_is_contig(__pyx_v_src, 'F', __pyx_v_ndim);
     if (__pyx_t_2) {
 
-      /* "View.MemoryView":1316
+      /* "View.MemoryView":1313
  *             direct_copy = slice_is_contig(dst, 'C', ndim)
  *         elif slice_is_contig(src, 'F', ndim):
  *             direct_copy = slice_is_contig(dst, 'F', ndim)             # <<<<<<<<<<<<<<
@@ -14216,7 +16191,7 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
       __pyx_v_direct_copy = __pyx_memviewslice_is_contig(__pyx_v_dst, 'F', __pyx_v_ndim);
 
-      /* "View.MemoryView":1315
+      /* "View.MemoryView":1312
  *         if slice_is_contig(src, 'C', ndim):
  *             direct_copy = slice_is_contig(dst, 'C', ndim)
  *         elif slice_is_contig(src, 'F', ndim):             # <<<<<<<<<<<<<<
@@ -14226,54 +16201,53 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
     }
     __pyx_L12:;
 
-    /* "View.MemoryView":1318
+    /* "View.MemoryView":1315
  *             direct_copy = slice_is_contig(dst, 'F', ndim)
  * 
  *         if direct_copy:             # <<<<<<<<<<<<<<
  * 
- *             refcount_copying(&dst, dtype_is_object, ndim, False)
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)
  */
-    __pyx_t_2 = (__pyx_v_direct_copy != 0);
-    if (__pyx_t_2) {
+    if (__pyx_v_direct_copy) {
 
-      /* "View.MemoryView":1320
+      /* "View.MemoryView":1317
  *         if direct_copy:
  * 
- *             refcount_copying(&dst, dtype_is_object, ndim, False)             # <<<<<<<<<<<<<<
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)             # <<<<<<<<<<<<<<
  *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))
- *             refcount_copying(&dst, dtype_is_object, ndim, True)
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  */
       __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 0);
 
-      /* "View.MemoryView":1321
+      /* "View.MemoryView":1318
  * 
- *             refcount_copying(&dst, dtype_is_object, ndim, False)
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)
  *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))             # <<<<<<<<<<<<<<
- *             refcount_copying(&dst, dtype_is_object, ndim, True)
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  *             free(tmpdata)
  */
       (void)(memcpy(__pyx_v_dst.data, __pyx_v_src.data, __pyx_memoryview_slice_get_size((&__pyx_v_src), __pyx_v_ndim)));
 
-      /* "View.MemoryView":1322
- *             refcount_copying(&dst, dtype_is_object, ndim, False)
+      /* "View.MemoryView":1319
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)
  *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))
- *             refcount_copying(&dst, dtype_is_object, ndim, True)             # <<<<<<<<<<<<<<
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)             # <<<<<<<<<<<<<<
  *             free(tmpdata)
  *             return 0
  */
       __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 1);
 
-      /* "View.MemoryView":1323
+      /* "View.MemoryView":1320
  *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))
- *             refcount_copying(&dst, dtype_is_object, ndim, True)
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  *             free(tmpdata)             # <<<<<<<<<<<<<<
  *             return 0
  * 
  */
       free(__pyx_v_tmpdata);
 
-      /* "View.MemoryView":1324
- *             refcount_copying(&dst, dtype_is_object, ndim, True)
+      /* "View.MemoryView":1321
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  *             free(tmpdata)
  *             return 0             # <<<<<<<<<<<<<<
  * 
@@ -14282,16 +16256,16 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
       __pyx_r = 0;
       goto __pyx_L0;
 
-      /* "View.MemoryView":1318
+      /* "View.MemoryView":1315
  *             direct_copy = slice_is_contig(dst, 'F', ndim)
  * 
  *         if direct_copy:             # <<<<<<<<<<<<<<
  * 
- *             refcount_copying(&dst, dtype_is_object, ndim, False)
+ *             refcount_copying(&dst, dtype_is_object, ndim, inc=False)
  */
     }
 
-    /* "View.MemoryView":1310
+    /* "View.MemoryView":1307
  *         src = tmp
  * 
  *     if not broadcasting:             # <<<<<<<<<<<<<<
@@ -14300,7 +16274,7 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
   }
 
-  /* "View.MemoryView":1326
+  /* "View.MemoryView":1323
  *             return 0
  * 
  *     if order == 'F' == get_best_order(&dst, ndim):             # <<<<<<<<<<<<<<
@@ -14311,28 +16285,27 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
   if (__pyx_t_2) {
     __pyx_t_2 = ('F' == __pyx_get_best_slice_order((&__pyx_v_dst), __pyx_v_ndim));
   }
-  __pyx_t_8 = (__pyx_t_2 != 0);
-  if (__pyx_t_8) {
+  if (__pyx_t_2) {
 
-    /* "View.MemoryView":1329
+    /* "View.MemoryView":1326
  * 
  * 
  *         transpose_memslice(&src)             # <<<<<<<<<<<<<<
  *         transpose_memslice(&dst)
  * 
  */
-    __pyx_t_5 = __pyx_memslice_transpose((&__pyx_v_src)); if (unlikely(__pyx_t_5 == ((int)0))) __PYX_ERR(1, 1329, __pyx_L1_error)
+    __pyx_t_5 = __pyx_memslice_transpose((&__pyx_v_src)); if (unlikely(__pyx_t_5 == ((int)-1))) __PYX_ERR(1, 1326, __pyx_L1_error)
 
-    /* "View.MemoryView":1330
+    /* "View.MemoryView":1327
  * 
  *         transpose_memslice(&src)
  *         transpose_memslice(&dst)             # <<<<<<<<<<<<<<
  * 
- *     refcount_copying(&dst, dtype_is_object, ndim, False)
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=False)
  */
-    __pyx_t_5 = __pyx_memslice_transpose((&__pyx_v_dst)); if (unlikely(__pyx_t_5 == ((int)0))) __PYX_ERR(1, 1330, __pyx_L1_error)
+    __pyx_t_5 = __pyx_memslice_transpose((&__pyx_v_dst)); if (unlikely(__pyx_t_5 == ((int)-1))) __PYX_ERR(1, 1327, __pyx_L1_error)
 
-    /* "View.MemoryView":1326
+    /* "View.MemoryView":1323
  *             return 0
  * 
  *     if order == 'F' == get_best_order(&dst, ndim):             # <<<<<<<<<<<<<<
@@ -14341,35 +16314,35 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
   }
 
-  /* "View.MemoryView":1332
+  /* "View.MemoryView":1329
  *         transpose_memslice(&dst)
  * 
- *     refcount_copying(&dst, dtype_is_object, ndim, False)             # <<<<<<<<<<<<<<
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=False)             # <<<<<<<<<<<<<<
  *     copy_strided_to_strided(&src, &dst, ndim, itemsize)
- *     refcount_copying(&dst, dtype_is_object, ndim, True)
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  */
   __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 0);
 
-  /* "View.MemoryView":1333
+  /* "View.MemoryView":1330
  * 
- *     refcount_copying(&dst, dtype_is_object, ndim, False)
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=False)
  *     copy_strided_to_strided(&src, &dst, ndim, itemsize)             # <<<<<<<<<<<<<<
- *     refcount_copying(&dst, dtype_is_object, ndim, True)
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  * 
  */
   copy_strided_to_strided((&__pyx_v_src), (&__pyx_v_dst), __pyx_v_ndim, __pyx_v_itemsize);
 
-  /* "View.MemoryView":1334
- *     refcount_copying(&dst, dtype_is_object, ndim, False)
+  /* "View.MemoryView":1331
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=False)
  *     copy_strided_to_strided(&src, &dst, ndim, itemsize)
- *     refcount_copying(&dst, dtype_is_object, ndim, True)             # <<<<<<<<<<<<<<
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=True)             # <<<<<<<<<<<<<<
  * 
  *     free(tmpdata)
  */
   __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 1);
 
-  /* "View.MemoryView":1336
- *     refcount_copying(&dst, dtype_is_object, ndim, True)
+  /* "View.MemoryView":1333
+ *     refcount_copying(&dst, dtype_is_object, ndim, inc=True)
  * 
  *     free(tmpdata)             # <<<<<<<<<<<<<<
  *     return 0
@@ -14377,7 +16350,7 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
  */
   free(__pyx_v_tmpdata);
 
-  /* "View.MemoryView":1337
+  /* "View.MemoryView":1334
  * 
  *     free(tmpdata)
  *     return 0             # <<<<<<<<<<<<<<
@@ -14387,7 +16360,7 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
   __pyx_r = 0;
   goto __pyx_L0;
 
-  /* "View.MemoryView":1268
+  /* "View.MemoryView":1265
  * 
  * @cname('__pyx_memoryview_copy_contents')
  * cdef int memoryview_copy_contents(__Pyx_memviewslice src,             # <<<<<<<<<<<<<<
@@ -14397,26 +16370,24 @@ static int __pyx_memoryview_copy_contents(__Pyx_memviewslice __pyx_v_src, __Pyx_
 
   /* function exit code */
   __pyx_L1_error:;
-  {
-    #ifdef WITH_THREAD
-    PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
-    #endif
-    __Pyx_AddTraceback("View.MemoryView.memoryview_copy_contents", __pyx_clineno, __pyx_lineno, __pyx_filename);
-    #ifdef WITH_THREAD
-    __Pyx_PyGILState_Release(__pyx_gilstate_save);
-    #endif
-  }
+  #ifdef WITH_THREAD
+  __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
+  #endif
+  __Pyx_AddTraceback("View.MemoryView.memoryview_copy_contents", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = -1;
+  #ifdef WITH_THREAD
+  __Pyx_PyGILState_Release(__pyx_gilstate_save);
+  #endif
   __pyx_L0:;
   return __pyx_r;
 }
 
-/* "View.MemoryView":1340
+/* "View.MemoryView":1337
  * 
  * @cname('__pyx_memoryview_broadcast_leading')
  * cdef void broadcast_leading(__Pyx_memviewslice *mslice,             # <<<<<<<<<<<<<<
  *                             int ndim,
- *                             int ndim_other) nogil:
+ *                             int ndim_other) noexcept nogil:
  */
 
 static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslice, int __pyx_v_ndim, int __pyx_v_ndim_other) {
@@ -14426,8 +16397,8 @@ static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslic
   int __pyx_t_2;
   int __pyx_t_3;
 
-  /* "View.MemoryView":1344
- *                             int ndim_other) nogil:
+  /* "View.MemoryView":1341
+ *                             int ndim_other) noexcept nogil:
  *     cdef int i
  *     cdef int offset = ndim_other - ndim             # <<<<<<<<<<<<<<
  * 
@@ -14435,7 +16406,7 @@ static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslic
  */
   __pyx_v_offset = (__pyx_v_ndim_other - __pyx_v_ndim);
 
-  /* "View.MemoryView":1346
+  /* "View.MemoryView":1343
  *     cdef int offset = ndim_other - ndim
  * 
  *     for i in range(ndim - 1, -1, -1):             # <<<<<<<<<<<<<<
@@ -14445,7 +16416,7 @@ static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslic
   for (__pyx_t_1 = (__pyx_v_ndim - 1); __pyx_t_1 > -1; __pyx_t_1-=1) {
     __pyx_v_i = __pyx_t_1;
 
-    /* "View.MemoryView":1347
+    /* "View.MemoryView":1344
  * 
  *     for i in range(ndim - 1, -1, -1):
  *         mslice.shape[i + offset] = mslice.shape[i]             # <<<<<<<<<<<<<<
@@ -14454,7 +16425,7 @@ static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslic
  */
     (__pyx_v_mslice->shape[(__pyx_v_i + __pyx_v_offset)]) = (__pyx_v_mslice->shape[__pyx_v_i]);
 
-    /* "View.MemoryView":1348
+    /* "View.MemoryView":1345
  *     for i in range(ndim - 1, -1, -1):
  *         mslice.shape[i + offset] = mslice.shape[i]
  *         mslice.strides[i + offset] = mslice.strides[i]             # <<<<<<<<<<<<<<
@@ -14463,7 +16434,7 @@ static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslic
  */
     (__pyx_v_mslice->strides[(__pyx_v_i + __pyx_v_offset)]) = (__pyx_v_mslice->strides[__pyx_v_i]);
 
-    /* "View.MemoryView":1349
+    /* "View.MemoryView":1346
  *         mslice.shape[i + offset] = mslice.shape[i]
  *         mslice.strides[i + offset] = mslice.strides[i]
  *         mslice.suboffsets[i + offset] = mslice.suboffsets[i]             # <<<<<<<<<<<<<<
@@ -14473,7 +16444,7 @@ static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslic
     (__pyx_v_mslice->suboffsets[(__pyx_v_i + __pyx_v_offset)]) = (__pyx_v_mslice->suboffsets[__pyx_v_i]);
   }
 
-  /* "View.MemoryView":1351
+  /* "View.MemoryView":1348
  *         mslice.suboffsets[i + offset] = mslice.suboffsets[i]
  * 
  *     for i in range(offset):             # <<<<<<<<<<<<<<
@@ -14485,7 +16456,7 @@ static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslic
   for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
     __pyx_v_i = __pyx_t_3;
 
-    /* "View.MemoryView":1352
+    /* "View.MemoryView":1349
  * 
  *     for i in range(offset):
  *         mslice.shape[i] = 1             # <<<<<<<<<<<<<<
@@ -14494,7 +16465,7 @@ static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslic
  */
     (__pyx_v_mslice->shape[__pyx_v_i]) = 1;
 
-    /* "View.MemoryView":1353
+    /* "View.MemoryView":1350
  *     for i in range(offset):
  *         mslice.shape[i] = 1
  *         mslice.strides[i] = mslice.strides[0]             # <<<<<<<<<<<<<<
@@ -14503,7 +16474,7 @@ static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslic
  */
     (__pyx_v_mslice->strides[__pyx_v_i]) = (__pyx_v_mslice->strides[0]);
 
-    /* "View.MemoryView":1354
+    /* "View.MemoryView":1351
  *         mslice.shape[i] = 1
  *         mslice.strides[i] = mslice.strides[0]
  *         mslice.suboffsets[i] = -1             # <<<<<<<<<<<<<<
@@ -14513,125 +16484,128 @@ static void __pyx_memoryview_broadcast_leading(__Pyx_memviewslice *__pyx_v_mslic
     (__pyx_v_mslice->suboffsets[__pyx_v_i]) = -1L;
   }
 
-  /* "View.MemoryView":1340
+  /* "View.MemoryView":1337
  * 
  * @cname('__pyx_memoryview_broadcast_leading')
  * cdef void broadcast_leading(__Pyx_memviewslice *mslice,             # <<<<<<<<<<<<<<
  *                             int ndim,
- *                             int ndim_other) nogil:
+ *                             int ndim_other) noexcept nogil:
  */
 
   /* function exit code */
 }
 
-/* "View.MemoryView":1362
+/* "View.MemoryView":1359
  * 
  * @cname('__pyx_memoryview_refcount_copying')
- * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object,             # <<<<<<<<<<<<<<
- *                            int ndim, bint inc) nogil:
+ * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object, int ndim, bint inc) noexcept nogil:             # <<<<<<<<<<<<<<
  * 
+ *     if dtype_is_object:
  */
 
 static void __pyx_memoryview_refcount_copying(__Pyx_memviewslice *__pyx_v_dst, int __pyx_v_dtype_is_object, int __pyx_v_ndim, int __pyx_v_inc) {
-  int __pyx_t_1;
 
-  /* "View.MemoryView":1366
- * 
+  /* "View.MemoryView":1361
+ * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object, int ndim, bint inc) noexcept nogil:
  * 
  *     if dtype_is_object:             # <<<<<<<<<<<<<<
- *         refcount_objects_in_slice_with_gil(dst.data, dst.shape,
- *                                            dst.strides, ndim, inc)
+ *         refcount_objects_in_slice_with_gil(dst.data, dst.shape, dst.strides, ndim, inc)
+ * 
  */
-  __pyx_t_1 = (__pyx_v_dtype_is_object != 0);
-  if (__pyx_t_1) {
+  if (__pyx_v_dtype_is_object) {
 
-    /* "View.MemoryView":1367
+    /* "View.MemoryView":1362
  * 
  *     if dtype_is_object:
- *         refcount_objects_in_slice_with_gil(dst.data, dst.shape,             # <<<<<<<<<<<<<<
- *                                            dst.strides, ndim, inc)
+ *         refcount_objects_in_slice_with_gil(dst.data, dst.shape, dst.strides, ndim, inc)             # <<<<<<<<<<<<<<
  * 
+ * @cname('__pyx_memoryview_refcount_objects_in_slice_with_gil')
  */
     __pyx_memoryview_refcount_objects_in_slice_with_gil(__pyx_v_dst->data, __pyx_v_dst->shape, __pyx_v_dst->strides, __pyx_v_ndim, __pyx_v_inc);
 
-    /* "View.MemoryView":1366
- * 
+    /* "View.MemoryView":1361
+ * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object, int ndim, bint inc) noexcept nogil:
  * 
  *     if dtype_is_object:             # <<<<<<<<<<<<<<
- *         refcount_objects_in_slice_with_gil(dst.data, dst.shape,
- *                                            dst.strides, ndim, inc)
+ *         refcount_objects_in_slice_with_gil(dst.data, dst.shape, dst.strides, ndim, inc)
+ * 
  */
   }
 
-  /* "View.MemoryView":1362
+  /* "View.MemoryView":1359
  * 
  * @cname('__pyx_memoryview_refcount_copying')
- * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object,             # <<<<<<<<<<<<<<
- *                            int ndim, bint inc) nogil:
+ * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object, int ndim, bint inc) noexcept nogil:             # <<<<<<<<<<<<<<
  * 
+ *     if dtype_is_object:
  */
 
   /* function exit code */
 }
 
-/* "View.MemoryView":1371
+/* "View.MemoryView":1365
  * 
  * @cname('__pyx_memoryview_refcount_objects_in_slice_with_gil')
  * cdef void refcount_objects_in_slice_with_gil(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
  *                                              Py_ssize_t *strides, int ndim,
- *                                              bint inc) with gil:
+ *                                              bint inc) noexcept with gil:
  */
 
 static void __pyx_memoryview_refcount_objects_in_slice_with_gil(char *__pyx_v_data, Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, int __pyx_v_ndim, int __pyx_v_inc) {
-  __Pyx_RefNannyDeclarations
   #ifdef WITH_THREAD
   PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
   #endif
-  __Pyx_RefNannySetupContext("refcount_objects_in_slice_with_gil", 0);
 
-  /* "View.MemoryView":1374
+  /* "View.MemoryView":1368
  *                                              Py_ssize_t *strides, int ndim,
- *                                              bint inc) with gil:
+ *                                              bint inc) noexcept with gil:
  *     refcount_objects_in_slice(data, shape, strides, ndim, inc)             # <<<<<<<<<<<<<<
  * 
  * @cname('__pyx_memoryview_refcount_objects_in_slice')
  */
   __pyx_memoryview_refcount_objects_in_slice(__pyx_v_data, __pyx_v_shape, __pyx_v_strides, __pyx_v_ndim, __pyx_v_inc);
 
-  /* "View.MemoryView":1371
+  /* "View.MemoryView":1365
  * 
  * @cname('__pyx_memoryview_refcount_objects_in_slice_with_gil')
  * cdef void refcount_objects_in_slice_with_gil(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
  *                                              Py_ssize_t *strides, int ndim,
- *                                              bint inc) with gil:
+ *                                              bint inc) noexcept with gil:
  */
 
   /* function exit code */
-  __Pyx_RefNannyFinishContext();
   #ifdef WITH_THREAD
   __Pyx_PyGILState_Release(__pyx_gilstate_save);
   #endif
 }
 
-/* "View.MemoryView":1377
+/* "View.MemoryView":1371
  * 
  * @cname('__pyx_memoryview_refcount_objects_in_slice')
  * cdef void refcount_objects_in_slice(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
- *                                     Py_ssize_t *strides, int ndim, bint inc):
+ *                                     Py_ssize_t *strides, int ndim, bint inc) noexcept:
  *     cdef Py_ssize_t i
  */
 
 static void __pyx_memoryview_refcount_objects_in_slice(char *__pyx_v_data, Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, int __pyx_v_ndim, int __pyx_v_inc) {
   CYTHON_UNUSED Py_ssize_t __pyx_v_i;
-  __Pyx_RefNannyDeclarations
+  Py_ssize_t __pyx_v_stride;
   Py_ssize_t __pyx_t_1;
   Py_ssize_t __pyx_t_2;
   Py_ssize_t __pyx_t_3;
   int __pyx_t_4;
-  __Pyx_RefNannySetupContext("refcount_objects_in_slice", 0);
 
-  /* "View.MemoryView":1381
+  /* "View.MemoryView":1374
+ *                                     Py_ssize_t *strides, int ndim, bint inc) noexcept:
  *     cdef Py_ssize_t i
+ *     cdef Py_ssize_t stride = strides[0]             # <<<<<<<<<<<<<<
+ * 
+ *     for i in range(shape[0]):
+ */
+  __pyx_v_stride = (__pyx_v_strides[0]);
+
+  /* "View.MemoryView":1376
+ *     cdef Py_ssize_t stride = strides[0]
  * 
  *     for i in range(shape[0]):             # <<<<<<<<<<<<<<
  *         if ndim == 1:
@@ -14642,27 +16616,26 @@ static void __pyx_memoryview_refcount_objects_in_slice(char *__pyx_v_data, Py_ss
   for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
     __pyx_v_i = __pyx_t_3;
 
-    /* "View.MemoryView":1382
+    /* "View.MemoryView":1377
  * 
  *     for i in range(shape[0]):
  *         if ndim == 1:             # <<<<<<<<<<<<<<
  *             if inc:
  *                 Py_INCREF((<PyObject **> data)[0])
  */
-    __pyx_t_4 = ((__pyx_v_ndim == 1) != 0);
+    __pyx_t_4 = (__pyx_v_ndim == 1);
     if (__pyx_t_4) {
 
-      /* "View.MemoryView":1383
+      /* "View.MemoryView":1378
  *     for i in range(shape[0]):
  *         if ndim == 1:
  *             if inc:             # <<<<<<<<<<<<<<
  *                 Py_INCREF((<PyObject **> data)[0])
  *             else:
  */
-      __pyx_t_4 = (__pyx_v_inc != 0);
-      if (__pyx_t_4) {
+      if (__pyx_v_inc) {
 
-        /* "View.MemoryView":1384
+        /* "View.MemoryView":1379
  *         if ndim == 1:
  *             if inc:
  *                 Py_INCREF((<PyObject **> data)[0])             # <<<<<<<<<<<<<<
@@ -14671,7 +16644,7 @@ static void __pyx_memoryview_refcount_objects_in_slice(char *__pyx_v_data, Py_ss
  */
         Py_INCREF((((PyObject **)__pyx_v_data)[0]));
 
-        /* "View.MemoryView":1383
+        /* "View.MemoryView":1378
  *     for i in range(shape[0]):
  *         if ndim == 1:
  *             if inc:             # <<<<<<<<<<<<<<
@@ -14681,19 +16654,19 @@ static void __pyx_memoryview_refcount_objects_in_slice(char *__pyx_v_data, Py_ss
         goto __pyx_L6;
       }
 
-      /* "View.MemoryView":1386
+      /* "View.MemoryView":1381
  *                 Py_INCREF((<PyObject **> data)[0])
  *             else:
  *                 Py_DECREF((<PyObject **> data)[0])             # <<<<<<<<<<<<<<
  *         else:
- *             refcount_objects_in_slice(data, shape + 1, strides + 1,
+ *             refcount_objects_in_slice(data, shape + 1, strides + 1, ndim - 1, inc)
  */
       /*else*/ {
         Py_DECREF((((PyObject **)__pyx_v_data)[0]));
       }
       __pyx_L6:;
 
-      /* "View.MemoryView":1382
+      /* "View.MemoryView":1377
  * 
  *     for i in range(shape[0]):
  *         if ndim == 1:             # <<<<<<<<<<<<<<
@@ -14703,102 +16676,93 @@ static void __pyx_memoryview_refcount_objects_in_slice(char *__pyx_v_data, Py_ss
       goto __pyx_L5;
     }
 
-    /* "View.MemoryView":1388
+    /* "View.MemoryView":1383
  *                 Py_DECREF((<PyObject **> data)[0])
  *         else:
- *             refcount_objects_in_slice(data, shape + 1, strides + 1,             # <<<<<<<<<<<<<<
- *                                       ndim - 1, inc)
+ *             refcount_objects_in_slice(data, shape + 1, strides + 1, ndim - 1, inc)             # <<<<<<<<<<<<<<
  * 
+ *         data += stride
  */
     /*else*/ {
-
-      /* "View.MemoryView":1389
- *         else:
- *             refcount_objects_in_slice(data, shape + 1, strides + 1,
- *                                       ndim - 1, inc)             # <<<<<<<<<<<<<<
- * 
- *         data += strides[0]
- */
       __pyx_memoryview_refcount_objects_in_slice(__pyx_v_data, (__pyx_v_shape + 1), (__pyx_v_strides + 1), (__pyx_v_ndim - 1), __pyx_v_inc);
     }
     __pyx_L5:;
 
-    /* "View.MemoryView":1391
- *                                       ndim - 1, inc)
+    /* "View.MemoryView":1385
+ *             refcount_objects_in_slice(data, shape + 1, strides + 1, ndim - 1, inc)
  * 
- *         data += strides[0]             # <<<<<<<<<<<<<<
+ *         data += stride             # <<<<<<<<<<<<<<
  * 
  * 
  */
-    __pyx_v_data = (__pyx_v_data + (__pyx_v_strides[0]));
+    __pyx_v_data = (__pyx_v_data + __pyx_v_stride);
   }
 
-  /* "View.MemoryView":1377
+  /* "View.MemoryView":1371
  * 
  * @cname('__pyx_memoryview_refcount_objects_in_slice')
  * cdef void refcount_objects_in_slice(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
- *                                     Py_ssize_t *strides, int ndim, bint inc):
+ *                                     Py_ssize_t *strides, int ndim, bint inc) noexcept:
  *     cdef Py_ssize_t i
  */
 
   /* function exit code */
-  __Pyx_RefNannyFinishContext();
 }
 
-/* "View.MemoryView":1397
+/* "View.MemoryView":1391
  * 
  * @cname('__pyx_memoryview_slice_assign_scalar')
  * cdef void slice_assign_scalar(__Pyx_memviewslice *dst, int ndim,             # <<<<<<<<<<<<<<
  *                               size_t itemsize, void *item,
- *                               bint dtype_is_object) nogil:
+ *                               bint dtype_is_object) noexcept nogil:
  */
 
 static void __pyx_memoryview_slice_assign_scalar(__Pyx_memviewslice *__pyx_v_dst, int __pyx_v_ndim, size_t __pyx_v_itemsize, void *__pyx_v_item, int __pyx_v_dtype_is_object) {
 
-  /* "View.MemoryView":1400
+  /* "View.MemoryView":1394
  *                               size_t itemsize, void *item,
- *                               bint dtype_is_object) nogil:
- *     refcount_copying(dst, dtype_is_object, ndim, False)             # <<<<<<<<<<<<<<
- *     _slice_assign_scalar(dst.data, dst.shape, dst.strides, ndim,
- *                          itemsize, item)
+ *                               bint dtype_is_object) noexcept nogil:
+ *     refcount_copying(dst, dtype_is_object, ndim, inc=False)             # <<<<<<<<<<<<<<
+ *     _slice_assign_scalar(dst.data, dst.shape, dst.strides, ndim, itemsize, item)
+ *     refcount_copying(dst, dtype_is_object, ndim, inc=True)
  */
   __pyx_memoryview_refcount_copying(__pyx_v_dst, __pyx_v_dtype_is_object, __pyx_v_ndim, 0);
 
-  /* "View.MemoryView":1401
- *                               bint dtype_is_object) nogil:
- *     refcount_copying(dst, dtype_is_object, ndim, False)
- *     _slice_assign_scalar(dst.data, dst.shape, dst.strides, ndim,             # <<<<<<<<<<<<<<
- *                          itemsize, item)
- *     refcount_copying(dst, dtype_is_object, ndim, True)
+  /* "View.MemoryView":1395
+ *                               bint dtype_is_object) noexcept nogil:
+ *     refcount_copying(dst, dtype_is_object, ndim, inc=False)
+ *     _slice_assign_scalar(dst.data, dst.shape, dst.strides, ndim, itemsize, item)             # <<<<<<<<<<<<<<
+ *     refcount_copying(dst, dtype_is_object, ndim, inc=True)
+ * 
  */
   __pyx_memoryview__slice_assign_scalar(__pyx_v_dst->data, __pyx_v_dst->shape, __pyx_v_dst->strides, __pyx_v_ndim, __pyx_v_itemsize, __pyx_v_item);
 
-  /* "View.MemoryView":1403
- *     _slice_assign_scalar(dst.data, dst.shape, dst.strides, ndim,
- *                          itemsize, item)
- *     refcount_copying(dst, dtype_is_object, ndim, True)             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":1396
+ *     refcount_copying(dst, dtype_is_object, ndim, inc=False)
+ *     _slice_assign_scalar(dst.data, dst.shape, dst.strides, ndim, itemsize, item)
+ *     refcount_copying(dst, dtype_is_object, ndim, inc=True)             # <<<<<<<<<<<<<<
  * 
  * 
  */
   __pyx_memoryview_refcount_copying(__pyx_v_dst, __pyx_v_dtype_is_object, __pyx_v_ndim, 1);
 
-  /* "View.MemoryView":1397
+  /* "View.MemoryView":1391
  * 
  * @cname('__pyx_memoryview_slice_assign_scalar')
  * cdef void slice_assign_scalar(__Pyx_memviewslice *dst, int ndim,             # <<<<<<<<<<<<<<
  *                               size_t itemsize, void *item,
- *                               bint dtype_is_object) nogil:
+ *                               bint dtype_is_object) noexcept nogil:
  */
 
   /* function exit code */
 }
 
-/* "View.MemoryView":1407
+/* "View.MemoryView":1400
  * 
  * @cname('__pyx_memoryview__slice_assign_scalar')
  * cdef void _slice_assign_scalar(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
  *                               Py_ssize_t *strides, int ndim,
- *                               size_t itemsize, void *item) nogil:
+ *                               size_t itemsize, void *item) noexcept nogil:
  */
 
 static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, int __pyx_v_ndim, size_t __pyx_v_itemsize, void *__pyx_v_item) {
@@ -14810,8 +16774,8 @@ static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t
   Py_ssize_t __pyx_t_3;
   Py_ssize_t __pyx_t_4;
 
-  /* "View.MemoryView":1411
- *                               size_t itemsize, void *item) nogil:
+  /* "View.MemoryView":1404
+ *                               size_t itemsize, void *item) noexcept nogil:
  *     cdef Py_ssize_t i
  *     cdef Py_ssize_t stride = strides[0]             # <<<<<<<<<<<<<<
  *     cdef Py_ssize_t extent = shape[0]
@@ -14819,7 +16783,7 @@ static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t
  */
   __pyx_v_stride = (__pyx_v_strides[0]);
 
-  /* "View.MemoryView":1412
+  /* "View.MemoryView":1405
  *     cdef Py_ssize_t i
  *     cdef Py_ssize_t stride = strides[0]
  *     cdef Py_ssize_t extent = shape[0]             # <<<<<<<<<<<<<<
@@ -14828,17 +16792,17 @@ static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t
  */
   __pyx_v_extent = (__pyx_v_shape[0]);
 
-  /* "View.MemoryView":1414
+  /* "View.MemoryView":1407
  *     cdef Py_ssize_t extent = shape[0]
  * 
  *     if ndim == 1:             # <<<<<<<<<<<<<<
  *         for i in range(extent):
  *             memcpy(data, item, itemsize)
  */
-  __pyx_t_1 = ((__pyx_v_ndim == 1) != 0);
+  __pyx_t_1 = (__pyx_v_ndim == 1);
   if (__pyx_t_1) {
 
-    /* "View.MemoryView":1415
+    /* "View.MemoryView":1408
  * 
  *     if ndim == 1:
  *         for i in range(extent):             # <<<<<<<<<<<<<<
@@ -14850,7 +16814,7 @@ static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t
     for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
       __pyx_v_i = __pyx_t_4;
 
-      /* "View.MemoryView":1416
+      /* "View.MemoryView":1409
  *     if ndim == 1:
  *         for i in range(extent):
  *             memcpy(data, item, itemsize)             # <<<<<<<<<<<<<<
@@ -14859,7 +16823,7 @@ static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t
  */
       (void)(memcpy(__pyx_v_data, __pyx_v_item, __pyx_v_itemsize));
 
-      /* "View.MemoryView":1417
+      /* "View.MemoryView":1410
  *         for i in range(extent):
  *             memcpy(data, item, itemsize)
  *             data += stride             # <<<<<<<<<<<<<<
@@ -14869,7 +16833,7 @@ static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t
       __pyx_v_data = (__pyx_v_data + __pyx_v_stride);
     }
 
-    /* "View.MemoryView":1414
+    /* "View.MemoryView":1407
  *     cdef Py_ssize_t extent = shape[0]
  * 
  *     if ndim == 1:             # <<<<<<<<<<<<<<
@@ -14879,12 +16843,12 @@ static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t
     goto __pyx_L3;
   }
 
-  /* "View.MemoryView":1419
+  /* "View.MemoryView":1412
  *             data += stride
  *     else:
  *         for i in range(extent):             # <<<<<<<<<<<<<<
- *             _slice_assign_scalar(data, shape + 1, strides + 1,
- *                                 ndim - 1, itemsize, item)
+ *             _slice_assign_scalar(data, shape + 1, strides + 1, ndim - 1, itemsize, item)
+ *             data += stride
  */
   /*else*/ {
     __pyx_t_2 = __pyx_v_extent;
@@ -14892,18 +16856,18 @@ static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t
     for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
       __pyx_v_i = __pyx_t_4;
 
-      /* "View.MemoryView":1420
+      /* "View.MemoryView":1413
  *     else:
  *         for i in range(extent):
- *             _slice_assign_scalar(data, shape + 1, strides + 1,             # <<<<<<<<<<<<<<
- *                                 ndim - 1, itemsize, item)
+ *             _slice_assign_scalar(data, shape + 1, strides + 1, ndim - 1, itemsize, item)             # <<<<<<<<<<<<<<
  *             data += stride
+ * 
  */
       __pyx_memoryview__slice_assign_scalar(__pyx_v_data, (__pyx_v_shape + 1), (__pyx_v_strides + 1), (__pyx_v_ndim - 1), __pyx_v_itemsize, __pyx_v_item);
 
-      /* "View.MemoryView":1422
- *             _slice_assign_scalar(data, shape + 1, strides + 1,
- *                                 ndim - 1, itemsize, item)
+      /* "View.MemoryView":1414
+ *         for i in range(extent):
+ *             _slice_assign_scalar(data, shape + 1, strides + 1, ndim - 1, itemsize, item)
  *             data += stride             # <<<<<<<<<<<<<<
  * 
  * 
@@ -14913,12 +16877,12 @@ static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t
   }
   __pyx_L3:;
 
-  /* "View.MemoryView":1407
+  /* "View.MemoryView":1400
  * 
  * @cname('__pyx_memoryview__slice_assign_scalar')
  * cdef void _slice_assign_scalar(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
  *                               Py_ssize_t *strides, int ndim,
- *                               size_t itemsize, void *item) nogil:
+ *                               size_t itemsize, void *item) noexcept nogil:
  */
 
   /* function exit code */
@@ -14931,70 +16895,114 @@ static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t
  */
 
 /* Python wrapper */
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-static PyObject *__pyx_pw_15View_dot_MemoryView_1__pyx_unpickle_Enum(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static PyObject *__pyx_pw_15View_dot_MemoryView_1__pyx_unpickle_Enum(PyObject *__pyx_self, 
+#if CYTHON_METH_FASTCALL
+PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
+#else
+PyObject *__pyx_args, PyObject *__pyx_kwds
+#endif
+); /*proto*/
+static PyMethodDef __pyx_mdef_15View_dot_MemoryView_1__pyx_unpickle_Enum = {"__pyx_unpickle_Enum", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw_15View_dot_MemoryView_1__pyx_unpickle_Enum, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0};
+static PyObject *__pyx_pw_15View_dot_MemoryView_1__pyx_unpickle_Enum(PyObject *__pyx_self, 
+#if CYTHON_METH_FASTCALL
+PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
+#else
+PyObject *__pyx_args, PyObject *__pyx_kwds
+#endif
+) {
   PyObject *__pyx_v___pyx_type = 0;
   long __pyx_v___pyx_checksum;
   PyObject *__pyx_v___pyx_state = 0;
+  #if !CYTHON_METH_FASTCALL
+  CYTHON_UNUSED Py_ssize_t __pyx_nargs;
+  #endif
+  CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
+  PyObject* values[3] = {0,0,0};
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   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__pyx_unpickle_Enum (wrapper)", 0);
+  #if !CYTHON_METH_FASTCALL
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+  #else
+  __pyx_nargs = PyTuple_Size(__pyx_args); if (unlikely(__pyx_nargs < 0)) return NULL;
+  #endif
+  #endif
+  __pyx_kwvalues = __Pyx_KwValues_FASTCALL(__pyx_args, __pyx_nargs);
   {
-    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_pyx_type,&__pyx_n_s_pyx_checksum,&__pyx_n_s_pyx_state,0};
-    PyObject* values[3] = {0,0,0};
-    if (unlikely(__pyx_kwds)) {
+    PyObject **__pyx_pyargnames[] = {&__pyx_n_s_pyx_type,&__pyx_n_s_pyx_checksum,&__pyx_n_s_pyx_state,0};
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       Py_ssize_t kw_args;
-      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
-      switch (pos_args) {
-        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+      switch (__pyx_nargs) {
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         CYTHON_FALLTHROUGH;
-        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
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         CYTHON_FALLTHROUGH;
-        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
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         CYTHON_FALLTHROUGH;
         case  0: break;
         default: goto __pyx_L5_argtuple_error;
       }
-      kw_args = PyDict_Size(__pyx_kwds);
-      switch (pos_args) {
+      kw_args = __Pyx_NumKwargs_FASTCALL(__pyx_kwds);
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         case  0:
-        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_pyx_type)) != 0)) kw_args--;
+        if (likely((values[0] = __Pyx_GetKwValue_FASTCALL(__pyx_kwds, __pyx_kwvalues, __pyx_n_s_pyx_type)) != 0)) {
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         case  1:
-        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_pyx_checksum)) != 0)) kw_args--;
+        if (likely((values[1] = __Pyx_GetKwValue_FASTCALL(__pyx_kwds, __pyx_kwvalues, __pyx_n_s_pyx_checksum)) != 0)) {
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         case  2:
-        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_pyx_state)) != 0)) kw_args--;
+        if (likely((values[2] = __Pyx_GetKwValue_FASTCALL(__pyx_kwds, __pyx_kwvalues, __pyx_n_s_pyx_state)) != 0)) {
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-      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
-      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+      values[0] = __Pyx_Arg_FASTCALL(__pyx_args, 0);
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-  goto __pyx_L4_argument_unpacking_done;
+  goto __pyx_L6_skip;
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-  __Pyx_RaiseArgtupleInvalid("__pyx_unpickle_Enum", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(1, 1, __pyx_L3_error)
+  __Pyx_RaiseArgtupleInvalid("__pyx_unpickle_Enum", 1, 3, 3, __pyx_nargs); __PYX_ERR(1, 1, __pyx_L3_error)
+  __pyx_L6_skip:;
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+      __Pyx_Arg_XDECREF_FASTCALL(values[__pyx_temp]);
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   __Pyx_AddTraceback("View.MemoryView.__pyx_unpickle_Enum", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -15002,6 +17010,12 @@ static PyObject *__pyx_pw_15View_dot_MemoryView_1__pyx_unpickle_Enum(PyObject *_
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   /* function exit code */
+  {
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   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
@@ -15011,128 +17025,119 @@ static PyObject *__pyx_pf_15View_dot_MemoryView___pyx_unpickle_Enum(CYTHON_UNUSE
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   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
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-  PyObject *__pyx_t_5 = NULL;
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- *         raise __pyx_PickleError("Incompatible checksums (%s vs 0xb068931 = (name))" % __pyx_checksum)
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+ *         raise __pyx_PickleError, "Incompatible checksums (0x%x vs (0x82a3537, 0x6ae9995, 0xb068931) = (name))" % __pyx_checksum
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+PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
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+PyObject *__pyx_args, PyObject *__pyx_kwds
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+  __pyx_array_getbuffer, /*bf_getbuffer*/
+  0, /*bf_releasebuffer*/
+};
+#endif
+static PyType_Slot __pyx_type___pyx_array_slots[] = {
+  {Py_tp_dealloc, (void *)__pyx_tp_dealloc_array},
+  {Py_sq_length, (void *)__pyx_array___len__},
+  {Py_sq_item, (void *)__pyx_sq_item_array},
+  {Py_mp_length, (void *)__pyx_array___len__},
+  {Py_mp_subscript, (void *)__pyx_array___getitem__},
+  {Py_mp_ass_subscript, (void *)__pyx_mp_ass_subscript_array},
+  {Py_tp_getattro, (void *)__pyx_tp_getattro_array},
+  #if defined(Py_bf_getbuffer)
+  {Py_bf_getbuffer, (void *)__pyx_array_getbuffer},
+  #endif
+  {Py_tp_methods, (void *)__pyx_methods_array},
+  {Py_tp_getset, (void *)__pyx_getsets_array},
+  {Py_tp_new, (void *)__pyx_tp_new_array},
+  {0, 0},
+};
+static PyType_Spec __pyx_type___pyx_array_spec = {
+  "welford.array",
+  sizeof(struct __pyx_array_obj),
+  0,
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_SEQUENCE,
+  __pyx_type___pyx_array_slots,
+};
+#else
 
 static PySequenceMethods __pyx_tp_as_sequence_array = {
   __pyx_array___len__, /*sq_length*/
@@ -15443,7 +17841,7 @@ static PyBufferProcs __pyx_tp_as_buffer_array = {
 
 static PyTypeObject __pyx_type___pyx_array = {
   PyVarObject_HEAD_INIT(0, 0)
-  "welford.array", /*tp_name*/
+  "welford.""array", /*tp_name*/
   sizeof(struct __pyx_array_obj), /*tp_basicsize*/
   0, /*tp_itemsize*/
   __pyx_tp_dealloc_array, /*tp_dealloc*/
@@ -15471,7 +17869,7 @@ static PyTypeObject __pyx_type___pyx_array = {
   __pyx_tp_getattro_array, /*tp_getattro*/
   0, /*tp_setattro*/
   &__pyx_tp_as_buffer_array, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_SEQUENCE, /*tp_flags*/
   0, /*tp_doc*/
   0, /*tp_traverse*/
   0, /*tp_clear*/
@@ -15486,7 +17884,9 @@ static PyTypeObject __pyx_type___pyx_array = {
   0, /*tp_dict*/
   0, /*tp_descr_get*/
   0, /*tp_descr_set*/
+  #if !CYTHON_USE_TYPE_SPECS
   0, /*tp_dictoffset*/
+  #endif
   0, /*tp_init*/
   0, /*tp_alloc*/
   __pyx_tp_new_array, /*tp_new*/
@@ -15500,25 +17900,41 @@ static PyTypeObject __pyx_type___pyx_array = {
   0, /*tp_del*/
   0, /*tp_version_tag*/
   #if PY_VERSION_HEX >= 0x030400a1
+  #if CYTHON_USE_TP_FINALIZE
   0, /*tp_finalize*/
+  #else
+  NULL, /*tp_finalize*/
   #endif
-  #if PY_VERSION_HEX >= 0x030800b1
+  #endif
+  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
   0, /*tp_vectorcall*/
   #endif
-  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
+  #if __PYX_NEED_TP_PRINT_SLOT == 1
   0, /*tp_print*/
   #endif
+  #if PY_VERSION_HEX >= 0x030C0000
+  0, /*tp_watched*/
+  #endif
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+  0, /*tp_pypy_flags*/
+  #endif
 };
+#endif
 
 static PyObject *__pyx_tp_new_Enum(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_MemviewEnum_obj *p;
   PyObject *o;
-  if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
+  #if CYTHON_COMPILING_IN_LIMITED_API
+  allocfunc alloc_func = (allocfunc)PyType_GetSlot(t, Py_tp_alloc);
+  o = alloc_func(t, 0);
+  #else
+  if (likely(!__Pyx_PyType_HasFeature(t, Py_TPFLAGS_IS_ABSTRACT))) {
     o = (*t->tp_alloc)(t, 0);
   } else {
     o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
   }
   if (unlikely(!o)) return 0;
+  #endif
   p = ((struct __pyx_MemviewEnum_obj *)o);
   p->name = Py_None; Py_INCREF(Py_None);
   return o;
@@ -15527,13 +17943,22 @@ static PyObject *__pyx_tp_new_Enum(PyTypeObject *t, CYTHON_UNUSED PyObject *a, C
 static void __pyx_tp_dealloc_Enum(PyObject *o) {
   struct __pyx_MemviewEnum_obj *p = (struct __pyx_MemviewEnum_obj *)o;
   #if CYTHON_USE_TP_FINALIZE
-  if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
-    if (PyObject_CallFinalizerFromDealloc(o)) return;
+  if (unlikely((PY_VERSION_HEX >= 0x03080000 || __Pyx_PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE)) && __Pyx_PyObject_GetSlot(o, tp_finalize, destructor)) && !__Pyx_PyObject_GC_IsFinalized(o)) {
+    if (__Pyx_PyObject_GetSlot(o, tp_dealloc, destructor) == __pyx_tp_dealloc_Enum) {
+      if (PyObject_CallFinalizerFromDealloc(o)) return;
+    }
   }
   #endif
   PyObject_GC_UnTrack(o);
   Py_CLEAR(p->name);
+  #if CYTHON_USE_TYPE_SLOTS || CYTHON_COMPILING_IN_PYPY
   (*Py_TYPE(o)->tp_free)(o);
+  #else
+  {
+    freefunc tp_free = (freefunc)PyType_GetSlot(Py_TYPE(o), Py_tp_free);
+    if (tp_free) tp_free(o);
+  }
+  #endif
 }
 
 static int __pyx_tp_traverse_Enum(PyObject *o, visitproc v, void *a) {
@@ -15554,15 +17979,39 @@ static int __pyx_tp_clear_Enum(PyObject *o) {
   return 0;
 }
 
+static PyObject *__pyx_specialmethod___pyx_MemviewEnum___repr__(PyObject *self, CYTHON_UNUSED PyObject *arg) {
+  return __pyx_MemviewEnum___repr__(self);
+}
+
 static PyMethodDef __pyx_methods_Enum[] = {
-  {"__reduce_cython__", (PyCFunction)__pyx_pw___pyx_MemviewEnum_1__reduce_cython__, METH_NOARGS, 0},
-  {"__setstate_cython__", (PyCFunction)__pyx_pw___pyx_MemviewEnum_3__setstate_cython__, METH_O, 0},
+  {"__repr__", (PyCFunction)__pyx_specialmethod___pyx_MemviewEnum___repr__, METH_NOARGS|METH_COEXIST, 0},
+  {"__reduce_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_MemviewEnum_1__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"__setstate_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_MemviewEnum_3__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
   {0, 0, 0, 0}
 };
+#if CYTHON_USE_TYPE_SPECS
+static PyType_Slot __pyx_type___pyx_MemviewEnum_slots[] = {
+  {Py_tp_dealloc, (void *)__pyx_tp_dealloc_Enum},
+  {Py_tp_repr, (void *)__pyx_MemviewEnum___repr__},
+  {Py_tp_traverse, (void *)__pyx_tp_traverse_Enum},
+  {Py_tp_clear, (void *)__pyx_tp_clear_Enum},
+  {Py_tp_methods, (void *)__pyx_methods_Enum},
+  {Py_tp_init, (void *)__pyx_MemviewEnum___init__},
+  {Py_tp_new, (void *)__pyx_tp_new_Enum},
+  {0, 0},
+};
+static PyType_Spec __pyx_type___pyx_MemviewEnum_spec = {
+  "welford.Enum",
+  sizeof(struct __pyx_MemviewEnum_obj),
+  0,
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC,
+  __pyx_type___pyx_MemviewEnum_slots,
+};
+#else
 
 static PyTypeObject __pyx_type___pyx_MemviewEnum = {
   PyVarObject_HEAD_INIT(0, 0)
-  "welford.Enum", /*tp_name*/
+  "welford.""Enum", /*tp_name*/
   sizeof(struct __pyx_MemviewEnum_obj), /*tp_basicsize*/
   0, /*tp_itemsize*/
   __pyx_tp_dealloc_Enum, /*tp_dealloc*/
@@ -15605,7 +18054,9 @@ static PyTypeObject __pyx_type___pyx_MemviewEnum = {
   0, /*tp_dict*/
   0, /*tp_descr_get*/
   0, /*tp_descr_set*/
+  #if !CYTHON_USE_TYPE_SPECS
   0, /*tp_dictoffset*/
+  #endif
   __pyx_MemviewEnum___init__, /*tp_init*/
   0, /*tp_alloc*/
   __pyx_tp_new_Enum, /*tp_new*/
@@ -15619,26 +18070,42 @@ static PyTypeObject __pyx_type___pyx_MemviewEnum = {
   0, /*tp_del*/
   0, /*tp_version_tag*/
   #if PY_VERSION_HEX >= 0x030400a1
+  #if CYTHON_USE_TP_FINALIZE
   0, /*tp_finalize*/
+  #else
+  NULL, /*tp_finalize*/
+  #endif
   #endif
-  #if PY_VERSION_HEX >= 0x030800b1
+  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
   0, /*tp_vectorcall*/
   #endif
-  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
+  #if __PYX_NEED_TP_PRINT_SLOT == 1
   0, /*tp_print*/
   #endif
+  #if PY_VERSION_HEX >= 0x030C0000
+  0, /*tp_watched*/
+  #endif
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+  0, /*tp_pypy_flags*/
+  #endif
 };
+#endif
 static struct __pyx_vtabstruct_memoryview __pyx_vtable_memoryview;
 
 static PyObject *__pyx_tp_new_memoryview(PyTypeObject *t, PyObject *a, PyObject *k) {
   struct __pyx_memoryview_obj *p;
   PyObject *o;
-  if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
+  #if CYTHON_COMPILING_IN_LIMITED_API
+  allocfunc alloc_func = (allocfunc)PyType_GetSlot(t, Py_tp_alloc);
+  o = alloc_func(t, 0);
+  #else
+  if (likely(!__Pyx_PyType_HasFeature(t, Py_TPFLAGS_IS_ABSTRACT))) {
     o = (*t->tp_alloc)(t, 0);
   } else {
     o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
   }
   if (unlikely(!o)) return 0;
+  #endif
   p = ((struct __pyx_memoryview_obj *)o);
   p->__pyx_vtab = __pyx_vtabptr_memoryview;
   p->obj = Py_None; Py_INCREF(Py_None);
@@ -15655,8 +18122,10 @@ static PyObject *__pyx_tp_new_memoryview(PyTypeObject *t, PyObject *a, PyObject
 static void __pyx_tp_dealloc_memoryview(PyObject *o) {
   struct __pyx_memoryview_obj *p = (struct __pyx_memoryview_obj *)o;
   #if CYTHON_USE_TP_FINALIZE
-  if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
-    if (PyObject_CallFinalizerFromDealloc(o)) return;
+  if (unlikely((PY_VERSION_HEX >= 0x03080000 || __Pyx_PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE)) && __Pyx_PyObject_GetSlot(o, tp_finalize, destructor)) && !__Pyx_PyObject_GC_IsFinalized(o)) {
+    if (__Pyx_PyObject_GetSlot(o, tp_dealloc, destructor) == __pyx_tp_dealloc_memoryview) {
+      if (PyObject_CallFinalizerFromDealloc(o)) return;
+    }
   }
   #endif
   PyObject_GC_UnTrack(o);
@@ -15671,7 +18140,14 @@ static void __pyx_tp_dealloc_memoryview(PyObject *o) {
   Py_CLEAR(p->obj);
   Py_CLEAR(p->_size);
   Py_CLEAR(p->_array_interface);
+  #if CYTHON_USE_TYPE_SLOTS || CYTHON_COMPILING_IN_PYPY
   (*Py_TYPE(o)->tp_free)(o);
+  #else
+  {
+    freefunc tp_free = (freefunc)PyType_GetSlot(Py_TYPE(o), Py_tp_free);
+    if (tp_free) tp_free(o);
+  }
+  #endif
 }
 
 static int __pyx_tp_traverse_memoryview(PyObject *o, visitproc v, void *a) {
@@ -15720,8 +18196,11 @@ static int __pyx_mp_ass_subscript_memoryview(PyObject *o, PyObject *i, PyObject
     return __pyx_memoryview___setitem__(o, i, v);
   }
   else {
+    __Pyx_TypeName o_type_name;
+    o_type_name = __Pyx_PyType_GetName(Py_TYPE(o));
     PyErr_Format(PyExc_NotImplementedError,
-      "Subscript deletion not supported by %.200s", Py_TYPE(o)->tp_name);
+      "Subscript deletion not supported by " __Pyx_FMT_TYPENAME, o_type_name);
+    __Pyx_DECREF_TypeName(o_type_name);
     return -1;
   }
 }
@@ -15762,13 +18241,18 @@ static PyObject *__pyx_getprop___pyx_memoryview_size(PyObject *o, CYTHON_UNUSED
   return __pyx_pw_15View_dot_MemoryView_10memoryview_4size_1__get__(o);
 }
 
+static PyObject *__pyx_specialmethod___pyx_memoryview___repr__(PyObject *self, CYTHON_UNUSED PyObject *arg) {
+  return __pyx_memoryview___repr__(self);
+}
+
 static PyMethodDef __pyx_methods_memoryview[] = {
-  {"is_c_contig", (PyCFunction)__pyx_memoryview_is_c_contig, METH_NOARGS, 0},
-  {"is_f_contig", (PyCFunction)__pyx_memoryview_is_f_contig, METH_NOARGS, 0},
-  {"copy", (PyCFunction)__pyx_memoryview_copy, METH_NOARGS, 0},
-  {"copy_fortran", (PyCFunction)__pyx_memoryview_copy_fortran, METH_NOARGS, 0},
-  {"__reduce_cython__", (PyCFunction)__pyx_pw___pyx_memoryview_1__reduce_cython__, METH_NOARGS, 0},
-  {"__setstate_cython__", (PyCFunction)__pyx_pw___pyx_memoryview_3__setstate_cython__, METH_O, 0},
+  {"__repr__", (PyCFunction)__pyx_specialmethod___pyx_memoryview___repr__, METH_NOARGS|METH_COEXIST, 0},
+  {"is_c_contig", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_memoryview_is_c_contig, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"is_f_contig", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_memoryview_is_f_contig, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"copy", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_memoryview_copy, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"copy_fortran", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_memoryview_copy_fortran, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"__reduce_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_memoryview_1__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"__setstate_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_memoryview_3__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
   {0, 0, 0, 0}
 };
 
@@ -15784,6 +18268,53 @@ static struct PyGetSetDef __pyx_getsets_memoryview[] = {
   {(char *)"size", __pyx_getprop___pyx_memoryview_size, 0, (char *)0, 0},
   {0, 0, 0, 0, 0}
 };
+#if CYTHON_USE_TYPE_SPECS
+#if !CYTHON_COMPILING_IN_LIMITED_API
+
+static PyBufferProcs __pyx_tp_as_buffer_memoryview = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  __pyx_memoryview_getbuffer, /*bf_getbuffer*/
+  0, /*bf_releasebuffer*/
+};
+#endif
+static PyType_Slot __pyx_type___pyx_memoryview_slots[] = {
+  {Py_tp_dealloc, (void *)__pyx_tp_dealloc_memoryview},
+  {Py_tp_repr, (void *)__pyx_memoryview___repr__},
+  {Py_sq_length, (void *)__pyx_memoryview___len__},
+  {Py_sq_item, (void *)__pyx_sq_item_memoryview},
+  {Py_mp_length, (void *)__pyx_memoryview___len__},
+  {Py_mp_subscript, (void *)__pyx_memoryview___getitem__},
+  {Py_mp_ass_subscript, (void *)__pyx_mp_ass_subscript_memoryview},
+  {Py_tp_str, (void *)__pyx_memoryview___str__},
+  #if defined(Py_bf_getbuffer)
+  {Py_bf_getbuffer, (void *)__pyx_memoryview_getbuffer},
+  #endif
+  {Py_tp_traverse, (void *)__pyx_tp_traverse_memoryview},
+  {Py_tp_clear, (void *)__pyx_tp_clear_memoryview},
+  {Py_tp_methods, (void *)__pyx_methods_memoryview},
+  {Py_tp_getset, (void *)__pyx_getsets_memoryview},
+  {Py_tp_new, (void *)__pyx_tp_new_memoryview},
+  {0, 0},
+};
+static PyType_Spec __pyx_type___pyx_memoryview_spec = {
+  "welford.memoryview",
+  sizeof(struct __pyx_memoryview_obj),
+  0,
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC,
+  __pyx_type___pyx_memoryview_slots,
+};
+#else
 
 static PySequenceMethods __pyx_tp_as_sequence_memoryview = {
   __pyx_memoryview___len__, /*sq_length*/
@@ -15823,7 +18354,7 @@ static PyBufferProcs __pyx_tp_as_buffer_memoryview = {
 
 static PyTypeObject __pyx_type___pyx_memoryview = {
   PyVarObject_HEAD_INIT(0, 0)
-  "welford.memoryview", /*tp_name*/
+  "welford.""memoryview", /*tp_name*/
   sizeof(struct __pyx_memoryview_obj), /*tp_basicsize*/
   0, /*tp_itemsize*/
   __pyx_tp_dealloc_memoryview, /*tp_dealloc*/
@@ -15866,7 +18397,9 @@ static PyTypeObject __pyx_type___pyx_memoryview = {
   0, /*tp_dict*/
   0, /*tp_descr_get*/
   0, /*tp_descr_set*/
+  #if !CYTHON_USE_TYPE_SPECS
   0, /*tp_dictoffset*/
+  #endif
   0, /*tp_init*/
   0, /*tp_alloc*/
   __pyx_tp_new_memoryview, /*tp_new*/
@@ -15880,15 +18413,26 @@ static PyTypeObject __pyx_type___pyx_memoryview = {
   0, /*tp_del*/
   0, /*tp_version_tag*/
   #if PY_VERSION_HEX >= 0x030400a1
+  #if CYTHON_USE_TP_FINALIZE
   0, /*tp_finalize*/
+  #else
+  NULL, /*tp_finalize*/
+  #endif
   #endif
-  #if PY_VERSION_HEX >= 0x030800b1
+  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
   0, /*tp_vectorcall*/
   #endif
-  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
+  #if __PYX_NEED_TP_PRINT_SLOT == 1
   0, /*tp_print*/
   #endif
+  #if PY_VERSION_HEX >= 0x030C0000
+  0, /*tp_watched*/
+  #endif
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+  0, /*tp_pypy_flags*/
+  #endif
 };
+#endif
 static struct __pyx_vtabstruct__memoryviewslice __pyx_vtable__memoryviewslice;
 
 static PyObject *__pyx_tp_new__memoryviewslice(PyTypeObject *t, PyObject *a, PyObject *k) {
@@ -15905,8 +18449,10 @@ static PyObject *__pyx_tp_new__memoryviewslice(PyTypeObject *t, PyObject *a, PyO
 static void __pyx_tp_dealloc__memoryviewslice(PyObject *o) {
   struct __pyx_memoryviewslice_obj *p = (struct __pyx_memoryviewslice_obj *)o;
   #if CYTHON_USE_TP_FINALIZE
-  if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
-    if (PyObject_CallFinalizerFromDealloc(o)) return;
+  if (unlikely((PY_VERSION_HEX >= 0x03080000 || __Pyx_PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE)) && __Pyx_PyObject_GetSlot(o, tp_finalize, destructor)) && !__Pyx_PyObject_GC_IsFinalized(o)) {
+    if (__Pyx_PyObject_GetSlot(o, tp_dealloc, destructor) == __pyx_tp_dealloc__memoryviewslice) {
+      if (PyObject_CallFinalizerFromDealloc(o)) return;
+    }
   }
   #endif
   PyObject_GC_UnTrack(o);
@@ -15940,28 +18486,37 @@ static int __pyx_tp_clear__memoryviewslice(PyObject *o) {
   tmp = ((PyObject*)p->from_object);
   p->from_object = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
-  __PYX_XDEC_MEMVIEW(&p->from_slice, 1);
+  __PYX_XCLEAR_MEMVIEW(&p->from_slice, 1);
   return 0;
 }
 
-static PyObject *__pyx_getprop___pyx_memoryviewslice_base(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_15View_dot_MemoryView_16_memoryviewslice_4base_1__get__(o);
-}
-
 static PyMethodDef __pyx_methods__memoryviewslice[] = {
-  {"__reduce_cython__", (PyCFunction)__pyx_pw___pyx_memoryviewslice_1__reduce_cython__, METH_NOARGS, 0},
-  {"__setstate_cython__", (PyCFunction)__pyx_pw___pyx_memoryviewslice_3__setstate_cython__, METH_O, 0},
+  {"__reduce_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_memoryviewslice_1__reduce_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
+  {"__setstate_cython__", (PyCFunction)(void*)(__Pyx_PyCFunction_FastCallWithKeywords)__pyx_pw___pyx_memoryviewslice_3__setstate_cython__, __Pyx_METH_FASTCALL|METH_KEYWORDS, 0},
   {0, 0, 0, 0}
 };
-
-static struct PyGetSetDef __pyx_getsets__memoryviewslice[] = {
-  {(char *)"base", __pyx_getprop___pyx_memoryviewslice_base, 0, (char *)0, 0},
-  {0, 0, 0, 0, 0}
+#if CYTHON_USE_TYPE_SPECS
+static PyType_Slot __pyx_type___pyx_memoryviewslice_slots[] = {
+  {Py_tp_dealloc, (void *)__pyx_tp_dealloc__memoryviewslice},
+  {Py_tp_doc, (void *)PyDoc_STR("Internal class for passing memoryview slices to Python")},
+  {Py_tp_traverse, (void *)__pyx_tp_traverse__memoryviewslice},
+  {Py_tp_clear, (void *)__pyx_tp_clear__memoryviewslice},
+  {Py_tp_methods, (void *)__pyx_methods__memoryviewslice},
+  {Py_tp_new, (void *)__pyx_tp_new__memoryviewslice},
+  {0, 0},
 };
+static PyType_Spec __pyx_type___pyx_memoryviewslice_spec = {
+  "welford._memoryviewslice",
+  sizeof(struct __pyx_memoryviewslice_obj),
+  0,
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC|Py_TPFLAGS_SEQUENCE,
+  __pyx_type___pyx_memoryviewslice_slots,
+};
+#else
 
 static PyTypeObject __pyx_type___pyx_memoryviewslice = {
   PyVarObject_HEAD_INIT(0, 0)
-  "welford._memoryviewslice", /*tp_name*/
+  "welford.""_memoryviewslice", /*tp_name*/
   sizeof(struct __pyx_memoryviewslice_obj), /*tp_basicsize*/
   0, /*tp_itemsize*/
   __pyx_tp_dealloc__memoryviewslice, /*tp_dealloc*/
@@ -15979,7 +18534,7 @@ static PyTypeObject __pyx_type___pyx_memoryviewslice = {
   #if PY_MAJOR_VERSION >= 3
   0, /*tp_as_async*/
   #endif
-  #if CYTHON_COMPILING_IN_PYPY
+  #if CYTHON_COMPILING_IN_PYPY || 0
   __pyx_memoryview___repr__, /*tp_repr*/
   #else
   0, /*tp_repr*/
@@ -15989,7 +18544,7 @@ static PyTypeObject __pyx_type___pyx_memoryviewslice = {
   0, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
-  #if CYTHON_COMPILING_IN_PYPY
+  #if CYTHON_COMPILING_IN_PYPY || 0
   __pyx_memoryview___str__, /*tp_str*/
   #else
   0, /*tp_str*/
@@ -15997,8 +18552,8 @@ static PyTypeObject __pyx_type___pyx_memoryviewslice = {
   0, /*tp_getattro*/
   0, /*tp_setattro*/
   0, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  "Internal class for passing memoryview slices to Python", /*tp_doc*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC|Py_TPFLAGS_SEQUENCE, /*tp_flags*/
+  PyDoc_STR("Internal class for passing memoryview slices to Python"), /*tp_doc*/
   __pyx_tp_traverse__memoryviewslice, /*tp_traverse*/
   __pyx_tp_clear__memoryviewslice, /*tp_clear*/
   0, /*tp_richcompare*/
@@ -16007,12 +18562,14 @@ static PyTypeObject __pyx_type___pyx_memoryviewslice = {
   0, /*tp_iternext*/
   __pyx_methods__memoryviewslice, /*tp_methods*/
   0, /*tp_members*/
-  __pyx_getsets__memoryviewslice, /*tp_getset*/
+  0, /*tp_getset*/
   0, /*tp_base*/
   0, /*tp_dict*/
   0, /*tp_descr_get*/
   0, /*tp_descr_set*/
+  #if !CYTHON_USE_TYPE_SPECS
   0, /*tp_dictoffset*/
+  #endif
   0, /*tp_init*/
   0, /*tp_alloc*/
   __pyx_tp_new__memoryviewslice, /*tp_new*/
@@ -16026,51 +18583,30 @@ static PyTypeObject __pyx_type___pyx_memoryviewslice = {
   0, /*tp_del*/
   0, /*tp_version_tag*/
   #if PY_VERSION_HEX >= 0x030400a1
+  #if CYTHON_USE_TP_FINALIZE
   0, /*tp_finalize*/
+  #else
+  NULL, /*tp_finalize*/
+  #endif
   #endif
-  #if PY_VERSION_HEX >= 0x030800b1
+  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
   0, /*tp_vectorcall*/
   #endif
-  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
+  #if __PYX_NEED_TP_PRINT_SLOT == 1
   0, /*tp_print*/
   #endif
+  #if PY_VERSION_HEX >= 0x030C0000
+  0, /*tp_watched*/
+  #endif
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+  0, /*tp_pypy_flags*/
+  #endif
 };
+#endif
 
 static PyMethodDef __pyx_methods[] = {
   {0, 0, 0, 0}
 };
-
-#if PY_MAJOR_VERSION >= 3
-#if CYTHON_PEP489_MULTI_PHASE_INIT
-static PyObject* __pyx_pymod_create(PyObject *spec, PyModuleDef *def); /*proto*/
-static int __pyx_pymod_exec_welford(PyObject* module); /*proto*/
-static PyModuleDef_Slot __pyx_moduledef_slots[] = {
-  {Py_mod_create, (void*)__pyx_pymod_create},
-  {Py_mod_exec, (void*)__pyx_pymod_exec_welford},
-  {0, NULL}
-};
-#endif
-
-static struct PyModuleDef __pyx_moduledef = {
-    PyModuleDef_HEAD_INIT,
-    "welford",
-    0, /* m_doc */
-  #if CYTHON_PEP489_MULTI_PHASE_INIT
-    0, /* m_size */
-  #else
-    -1, /* m_size */
-  #endif
-    __pyx_methods /* m_methods */,
-  #if CYTHON_PEP489_MULTI_PHASE_INIT
-    __pyx_moduledef_slots, /* m_slots */
-  #else
-    NULL, /* m_reload */
-  #endif
-    NULL, /* m_traverse */
-    NULL, /* m_clear */
-    NULL /* m_free */
-};
-#endif
 #ifndef CYTHON_SMALL_CODE
 #if defined(__clang__)
     #define CYTHON_SMALL_CODE
@@ -16080,405 +18616,341 @@ static struct PyModuleDef __pyx_moduledef = {
     #define CYTHON_SMALL_CODE
 #endif
 #endif
-
-static __Pyx_StringTabEntry __pyx_string_tab[] = {
-  {&__pyx_n_s_ASCII, __pyx_k_ASCII, sizeof(__pyx_k_ASCII), 0, 0, 1, 1},
-  {&__pyx_kp_s_Buffer_view_does_not_expose_stri, __pyx_k_Buffer_view_does_not_expose_stri, sizeof(__pyx_k_Buffer_view_does_not_expose_stri), 0, 0, 1, 0},
-  {&__pyx_kp_s_Can_only_create_a_buffer_that_is, __pyx_k_Can_only_create_a_buffer_that_is, sizeof(__pyx_k_Can_only_create_a_buffer_that_is), 0, 0, 1, 0},
-  {&__pyx_kp_s_Cannot_assign_to_read_only_memor, __pyx_k_Cannot_assign_to_read_only_memor, sizeof(__pyx_k_Cannot_assign_to_read_only_memor), 0, 0, 1, 0},
-  {&__pyx_kp_s_Cannot_create_writable_memory_vi, __pyx_k_Cannot_create_writable_memory_vi, sizeof(__pyx_k_Cannot_create_writable_memory_vi), 0, 0, 1, 0},
-  {&__pyx_kp_s_Cannot_index_with_type_s, __pyx_k_Cannot_index_with_type_s, sizeof(__pyx_k_Cannot_index_with_type_s), 0, 0, 1, 0},
-  {&__pyx_n_s_Ellipsis, __pyx_k_Ellipsis, sizeof(__pyx_k_Ellipsis), 0, 0, 1, 1},
-  {&__pyx_kp_s_Empty_shape_tuple_for_cython_arr, __pyx_k_Empty_shape_tuple_for_cython_arr, sizeof(__pyx_k_Empty_shape_tuple_for_cython_arr), 0, 0, 1, 0},
-  {&__pyx_kp_s_Incompatible_checksums_s_vs_0xb0, __pyx_k_Incompatible_checksums_s_vs_0xb0, sizeof(__pyx_k_Incompatible_checksums_s_vs_0xb0), 0, 0, 1, 0},
-  {&__pyx_n_s_IndexError, __pyx_k_IndexError, sizeof(__pyx_k_IndexError), 0, 0, 1, 1},
-  {&__pyx_kp_s_Indirect_dimensions_not_supporte, __pyx_k_Indirect_dimensions_not_supporte, sizeof(__pyx_k_Indirect_dimensions_not_supporte), 0, 0, 1, 0},
-  {&__pyx_kp_s_Invalid_mode_expected_c_or_fortr, __pyx_k_Invalid_mode_expected_c_or_fortr, sizeof(__pyx_k_Invalid_mode_expected_c_or_fortr), 0, 0, 1, 0},
-  {&__pyx_kp_s_Invalid_shape_in_axis_d_d, __pyx_k_Invalid_shape_in_axis_d_d, sizeof(__pyx_k_Invalid_shape_in_axis_d_d), 0, 0, 1, 0},
-  {&__pyx_n_s_MemoryError, __pyx_k_MemoryError, sizeof(__pyx_k_MemoryError), 0, 0, 1, 1},
-  {&__pyx_kp_s_MemoryView_of_r_at_0x_x, __pyx_k_MemoryView_of_r_at_0x_x, sizeof(__pyx_k_MemoryView_of_r_at_0x_x), 0, 0, 1, 0},
-  {&__pyx_kp_s_MemoryView_of_r_object, __pyx_k_MemoryView_of_r_object, sizeof(__pyx_k_MemoryView_of_r_object), 0, 0, 1, 0},
-  {&__pyx_n_b_O, __pyx_k_O, sizeof(__pyx_k_O), 0, 0, 0, 1},
-  {&__pyx_kp_s_Out_of_bounds_on_buffer_access_a, __pyx_k_Out_of_bounds_on_buffer_access_a, sizeof(__pyx_k_Out_of_bounds_on_buffer_access_a), 0, 0, 1, 0},
-  {&__pyx_n_s_PickleError, __pyx_k_PickleError, sizeof(__pyx_k_PickleError), 0, 0, 1, 1},
-  {&__pyx_n_s_TypeError, __pyx_k_TypeError, sizeof(__pyx_k_TypeError), 0, 0, 1, 1},
-  {&__pyx_kp_s_Unable_to_convert_item_to_object, __pyx_k_Unable_to_convert_item_to_object, sizeof(__pyx_k_Unable_to_convert_item_to_object), 0, 0, 1, 0},
-  {&__pyx_n_s_ValueError, __pyx_k_ValueError, sizeof(__pyx_k_ValueError), 0, 0, 1, 1},
-  {&__pyx_n_s_View_MemoryView, __pyx_k_View_MemoryView, sizeof(__pyx_k_View_MemoryView), 0, 0, 1, 1},
-  {&__pyx_n_s_allocate_buffer, __pyx_k_allocate_buffer, sizeof(__pyx_k_allocate_buffer), 0, 0, 1, 1},
-  {&__pyx_n_s_alpha, __pyx_k_alpha, sizeof(__pyx_k_alpha), 0, 0, 1, 1},
-  {&__pyx_n_s_avg, __pyx_k_avg, sizeof(__pyx_k_avg), 0, 0, 1, 1},
-  {&__pyx_n_s_base, __pyx_k_base, sizeof(__pyx_k_base), 0, 0, 1, 1},
-  {&__pyx_n_s_c, __pyx_k_c, sizeof(__pyx_k_c), 0, 0, 1, 1},
-  {&__pyx_n_u_c, __pyx_k_c, sizeof(__pyx_k_c), 0, 1, 0, 1},
-  {&__pyx_n_s_class, __pyx_k_class, sizeof(__pyx_k_class), 0, 0, 1, 1},
-  {&__pyx_n_s_cline_in_traceback, __pyx_k_cline_in_traceback, sizeof(__pyx_k_cline_in_traceback), 0, 0, 1, 1},
-  {&__pyx_kp_s_contiguous_and_direct, __pyx_k_contiguous_and_direct, sizeof(__pyx_k_contiguous_and_direct), 0, 0, 1, 0},
-  {&__pyx_kp_s_contiguous_and_indirect, __pyx_k_contiguous_and_indirect, sizeof(__pyx_k_contiguous_and_indirect), 0, 0, 1, 0},
-  {&__pyx_n_s_dict, __pyx_k_dict, sizeof(__pyx_k_dict), 0, 0, 1, 1},
-  {&__pyx_n_s_dtype_is_object, __pyx_k_dtype_is_object, sizeof(__pyx_k_dtype_is_object), 0, 0, 1, 1},
-  {&__pyx_n_s_encode, __pyx_k_encode, sizeof(__pyx_k_encode), 0, 0, 1, 1},
-  {&__pyx_n_s_enumerate, __pyx_k_enumerate, sizeof(__pyx_k_enumerate), 0, 0, 1, 1},
-  {&__pyx_n_s_error, __pyx_k_error, sizeof(__pyx_k_error), 0, 0, 1, 1},
-  {&__pyx_kp_s_fastXPCS_cython_welford_pyx, __pyx_k_fastXPCS_cython_welford_pyx, sizeof(__pyx_k_fastXPCS_cython_welford_pyx), 0, 0, 1, 0},
-  {&__pyx_n_s_flags, __pyx_k_flags, sizeof(__pyx_k_flags), 0, 0, 1, 1},
-  {&__pyx_n_s_format, __pyx_k_format, sizeof(__pyx_k_format), 0, 0, 1, 1},
-  {&__pyx_n_s_fortran, __pyx_k_fortran, sizeof(__pyx_k_fortran), 0, 0, 1, 1},
-  {&__pyx_n_u_fortran, __pyx_k_fortran, sizeof(__pyx_k_fortran), 0, 1, 0, 1},
-  {&__pyx_n_s_getstate, __pyx_k_getstate, sizeof(__pyx_k_getstate), 0, 0, 1, 1},
-  {&__pyx_kp_s_got_differing_extents_in_dimensi, __pyx_k_got_differing_extents_in_dimensi, sizeof(__pyx_k_got_differing_extents_in_dimensi), 0, 0, 1, 0},
-  {&__pyx_n_s_id, __pyx_k_id, sizeof(__pyx_k_id), 0, 0, 1, 1},
-  {&__pyx_n_s_import, __pyx_k_import, sizeof(__pyx_k_import), 0, 0, 1, 1},
-  {&__pyx_n_s_itemsize, __pyx_k_itemsize, sizeof(__pyx_k_itemsize), 0, 0, 1, 1},
-  {&__pyx_kp_s_itemsize_0_for_cython_array, __pyx_k_itemsize_0_for_cython_array, sizeof(__pyx_k_itemsize_0_for_cython_array), 0, 0, 1, 0},
-  {&__pyx_n_s_main, __pyx_k_main, sizeof(__pyx_k_main), 0, 0, 1, 1},
-  {&__pyx_n_s_memview, __pyx_k_memview, sizeof(__pyx_k_memview), 0, 0, 1, 1},
-  {&__pyx_n_s_mode, __pyx_k_mode, sizeof(__pyx_k_mode), 0, 0, 1, 1},
-  {&__pyx_n_s_name, __pyx_k_name, sizeof(__pyx_k_name), 0, 0, 1, 1},
-  {&__pyx_n_s_name_2, __pyx_k_name_2, sizeof(__pyx_k_name_2), 0, 0, 1, 1},
-  {&__pyx_n_s_ndim, __pyx_k_ndim, sizeof(__pyx_k_ndim), 0, 0, 1, 1},
-  {&__pyx_n_s_new, __pyx_k_new, sizeof(__pyx_k_new), 0, 0, 1, 1},
-  {&__pyx_kp_s_no_default___reduce___due_to_non, __pyx_k_no_default___reduce___due_to_non, sizeof(__pyx_k_no_default___reduce___due_to_non), 0, 0, 1, 0},
-  {&__pyx_n_s_obj, __pyx_k_obj, sizeof(__pyx_k_obj), 0, 0, 1, 1},
-  {&__pyx_n_s_pack, __pyx_k_pack, sizeof(__pyx_k_pack), 0, 0, 1, 1},
-  {&__pyx_n_s_pickle, __pyx_k_pickle, sizeof(__pyx_k_pickle), 0, 0, 1, 1},
-  {&__pyx_n_s_pyx_PickleError, __pyx_k_pyx_PickleError, sizeof(__pyx_k_pyx_PickleError), 0, 0, 1, 1},
-  {&__pyx_n_s_pyx_checksum, __pyx_k_pyx_checksum, sizeof(__pyx_k_pyx_checksum), 0, 0, 1, 1},
-  {&__pyx_n_s_pyx_getbuffer, __pyx_k_pyx_getbuffer, sizeof(__pyx_k_pyx_getbuffer), 0, 0, 1, 1},
-  {&__pyx_n_s_pyx_result, __pyx_k_pyx_result, sizeof(__pyx_k_pyx_result), 0, 0, 1, 1},
-  {&__pyx_n_s_pyx_state, __pyx_k_pyx_state, sizeof(__pyx_k_pyx_state), 0, 0, 1, 1},
-  {&__pyx_n_s_pyx_type, __pyx_k_pyx_type, sizeof(__pyx_k_pyx_type), 0, 0, 1, 1},
-  {&__pyx_n_s_pyx_unpickle_Enum, __pyx_k_pyx_unpickle_Enum, sizeof(__pyx_k_pyx_unpickle_Enum), 0, 0, 1, 1},
-  {&__pyx_n_s_pyx_vtable, __pyx_k_pyx_vtable, sizeof(__pyx_k_pyx_vtable), 0, 0, 1, 1},
-  {&__pyx_n_s_range, __pyx_k_range, sizeof(__pyx_k_range), 0, 0, 1, 1},
-  {&__pyx_n_s_reduce, __pyx_k_reduce, sizeof(__pyx_k_reduce), 0, 0, 1, 1},
-  {&__pyx_n_s_reduce_cython, __pyx_k_reduce_cython, sizeof(__pyx_k_reduce_cython), 0, 0, 1, 1},
-  {&__pyx_n_s_reduce_ex, __pyx_k_reduce_ex, sizeof(__pyx_k_reduce_ex), 0, 0, 1, 1},
-  {&__pyx_n_s_setstate, __pyx_k_setstate, sizeof(__pyx_k_setstate), 0, 0, 1, 1},
-  {&__pyx_n_s_setstate_cython, __pyx_k_setstate_cython, sizeof(__pyx_k_setstate_cython), 0, 0, 1, 1},
-  {&__pyx_n_s_shape, __pyx_k_shape, sizeof(__pyx_k_shape), 0, 0, 1, 1},
-  {&__pyx_n_s_size, __pyx_k_size, sizeof(__pyx_k_size), 0, 0, 1, 1},
-  {&__pyx_n_s_start, __pyx_k_start, sizeof(__pyx_k_start), 0, 0, 1, 1},
-  {&__pyx_n_s_step, __pyx_k_step, sizeof(__pyx_k_step), 0, 0, 1, 1},
-  {&__pyx_n_s_stop, __pyx_k_stop, sizeof(__pyx_k_stop), 0, 0, 1, 1},
-  {&__pyx_kp_s_strided_and_direct, __pyx_k_strided_and_direct, sizeof(__pyx_k_strided_and_direct), 0, 0, 1, 0},
-  {&__pyx_kp_s_strided_and_direct_or_indirect, __pyx_k_strided_and_direct_or_indirect, sizeof(__pyx_k_strided_and_direct_or_indirect), 0, 0, 1, 0},
-  {&__pyx_kp_s_strided_and_indirect, __pyx_k_strided_and_indirect, sizeof(__pyx_k_strided_and_indirect), 0, 0, 1, 0},
-  {&__pyx_kp_s_stringsource, __pyx_k_stringsource, sizeof(__pyx_k_stringsource), 0, 0, 1, 0},
-  {&__pyx_n_s_struct, __pyx_k_struct, sizeof(__pyx_k_struct), 0, 0, 1, 1},
-  {&__pyx_n_s_test, __pyx_k_test, sizeof(__pyx_k_test), 0, 0, 1, 1},
-  {&__pyx_kp_s_unable_to_allocate_array_data, __pyx_k_unable_to_allocate_array_data, sizeof(__pyx_k_unable_to_allocate_array_data), 0, 0, 1, 0},
-  {&__pyx_kp_s_unable_to_allocate_shape_and_str, __pyx_k_unable_to_allocate_shape_and_str, sizeof(__pyx_k_unable_to_allocate_shape_and_str), 0, 0, 1, 0},
-  {&__pyx_n_s_unpack, __pyx_k_unpack, sizeof(__pyx_k_unpack), 0, 0, 1, 1},
-  {&__pyx_n_s_update, __pyx_k_update, sizeof(__pyx_k_update), 0, 0, 1, 1},
-  {&__pyx_n_s_var, __pyx_k_var, sizeof(__pyx_k_var), 0, 0, 1, 1},
-  {&__pyx_n_s_welford, __pyx_k_welford, sizeof(__pyx_k_welford), 0, 0, 1, 1},
-  {&__pyx_n_s_x, __pyx_k_x, sizeof(__pyx_k_x), 0, 0, 1, 1},
-  {0, 0, 0, 0, 0, 0, 0}
-};
+/* #### Code section: pystring_table ### */
+
+static int __Pyx_CreateStringTabAndInitStrings(void) {
+  __Pyx_StringTabEntry __pyx_string_tab[] = {
+    {&__pyx_kp_u_, __pyx_k_, sizeof(__pyx_k_), 0, 1, 0, 0},
+    {&__pyx_n_s_ASCII, __pyx_k_ASCII, sizeof(__pyx_k_ASCII), 0, 0, 1, 1},
+    {&__pyx_kp_s_All_dimensions_preceding_dimensi, __pyx_k_All_dimensions_preceding_dimensi, sizeof(__pyx_k_All_dimensions_preceding_dimensi), 0, 0, 1, 0},
+    {&__pyx_n_s_AssertionError, __pyx_k_AssertionError, sizeof(__pyx_k_AssertionError), 0, 0, 1, 1},
+    {&__pyx_kp_s_Buffer_view_does_not_expose_stri, __pyx_k_Buffer_view_does_not_expose_stri, sizeof(__pyx_k_Buffer_view_does_not_expose_stri), 0, 0, 1, 0},
+    {&__pyx_kp_s_Can_only_create_a_buffer_that_is, __pyx_k_Can_only_create_a_buffer_that_is, sizeof(__pyx_k_Can_only_create_a_buffer_that_is), 0, 0, 1, 0},
+    {&__pyx_kp_s_Cannot_assign_to_read_only_memor, __pyx_k_Cannot_assign_to_read_only_memor, sizeof(__pyx_k_Cannot_assign_to_read_only_memor), 0, 0, 1, 0},
+    {&__pyx_kp_s_Cannot_create_writable_memory_vi, __pyx_k_Cannot_create_writable_memory_vi, sizeof(__pyx_k_Cannot_create_writable_memory_vi), 0, 0, 1, 0},
+    {&__pyx_kp_u_Cannot_index_with_type, __pyx_k_Cannot_index_with_type, sizeof(__pyx_k_Cannot_index_with_type), 0, 1, 0, 0},
+    {&__pyx_kp_s_Cannot_transpose_memoryview_with, __pyx_k_Cannot_transpose_memoryview_with, sizeof(__pyx_k_Cannot_transpose_memoryview_with), 0, 0, 1, 0},
+    {&__pyx_kp_s_Dimension_d_is_not_direct, __pyx_k_Dimension_d_is_not_direct, sizeof(__pyx_k_Dimension_d_is_not_direct), 0, 0, 1, 0},
+    {&__pyx_n_s_Ellipsis, __pyx_k_Ellipsis, sizeof(__pyx_k_Ellipsis), 0, 0, 1, 1},
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+ *     have_slices = False
+ *     seen_ellipsis = False
  */
-  __pyx_tuple__6 = PyTuple_Pack(1, __pyx_kp_s_no_default___reduce___due_to_non); if (unlikely(!__pyx_tuple__6)) __PYX_ERR(1, 2, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_tuple__6);
-  __Pyx_GIVEREF(__pyx_tuple__6);
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   /* "(tree fragment)":4
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- * def __setstate_cython__(self, __pyx_state):
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-  __pyx_tuple__7 = PyTuple_Pack(1, __pyx_kp_s_no_default___reduce___due_to_non); if (unlikely(!__pyx_tuple__7)) __PYX_ERR(1, 4, __pyx_L1_error)
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- *             raise TypeError("Cannot assign to read-only memoryview")             # <<<<<<<<<<<<<<
- * 
- *         have_slices, index = _unellipsify(index, self.view.ndim)
+ *     cdef object __pyx_PickleError
+ *     cdef object __pyx_result
+ *     if __pyx_checksum not in (0x82a3537, 0x6ae9995, 0xb068931):             # <<<<<<<<<<<<<<
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+ *         raise __pyx_PickleError, "Incompatible checksums (0x%x vs (0x82a3537, 0x6ae9995, 0xb068931) = (name))" % __pyx_checksum
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- *         except struct.error:
- *             raise ValueError("Unable to convert item to object")             # <<<<<<<<<<<<<<
- *         else:
- *             if len(self.view.format) == 1:
+  /* "View.MemoryView":100
+ * cdef object __pyx_collections_abc_Sequence "__pyx_collections_abc_Sequence"
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+ *     if __import__("sys").version_info >= (3, 3):             # <<<<<<<<<<<<<<
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+ *     else:
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-  __pyx_tuple__9 = PyTuple_Pack(1, __pyx_kp_s_Unable_to_convert_item_to_object); if (unlikely(!__pyx_tuple__9)) __PYX_ERR(1, 495, __pyx_L1_error)
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+  __pyx_tuple__10 = PyTuple_Pack(2, __pyx_int_3, __pyx_int_3); if (unlikely(!__pyx_tuple__10)) __PYX_ERR(1, 100, __pyx_L1_error)
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- * 
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- *         return tuple([stride for stride in self.view.strides[:self.view.ndim]])
+  /* "View.MemoryView":101
+ * try:
+ *     if __import__("sys").version_info >= (3, 3):
+ *         __pyx_collections_abc_Sequence = __import__("collections.abc").abc.Sequence             # <<<<<<<<<<<<<<
+ *     else:
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- *     def suboffsets(self):
- *         if self.view.suboffsets == NULL:
- *             return (-1,) * self.view.ndim             # <<<<<<<<<<<<<<
+  /* "View.MemoryView":103
+ *         __pyx_collections_abc_Sequence = __import__("collections.abc").abc.Sequence
+ *     else:
+ *         __pyx_collections_abc_Sequence = __import__("collections").Sequence             # <<<<<<<<<<<<<<
+ * except:
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-  __pyx_tuple__12 = PyTuple_New(1); if (unlikely(!__pyx_tuple__12)) __PYX_ERR(1, 577, __pyx_L1_error)
+  __pyx_tuple__12 = PyTuple_Pack(1, __pyx_n_s_collections); if (unlikely(!__pyx_tuple__12)) __PYX_ERR(1, 103, __pyx_L1_error)
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-  /* "View.MemoryView":703
- *     for suboffset in suboffsets[:ndim]:
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- * def __setstate_cython__(self, __pyx_state):
- *     raise TypeError("no default __reduce__ due to non-trivial __cinit__")             # <<<<<<<<<<<<<<
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-  /* "welford.pyx":5
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- *              float[:,:,::1] var,
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-  __pyx_tuple__19 = PyTuple_Pack(5, __pyx_n_s_x, __pyx_n_s_avg, __pyx_n_s_var, __pyx_n_s_alpha, __pyx_n_s_size); if (unlikely(!__pyx_tuple__19)) __PYX_ERR(0, 5, __pyx_L1_error)
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-
-  /* "View.MemoryView":286
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  *         return self.name
  * 
  * cdef generic = Enum("<strided and direct or indirect>")             # <<<<<<<<<<<<<<
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-  __Pyx_GOTREF(__pyx_tuple__21);
-  __Pyx_GIVEREF(__pyx_tuple__21);
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-  /* "View.MemoryView":287
+  /* "View.MemoryView":310
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  * cdef generic = Enum("<strided and direct or indirect>")
  * cdef strided = Enum("<strided and direct>") # default             # <<<<<<<<<<<<<<
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-  __Pyx_GOTREF(__pyx_tuple__22);
-  __Pyx_GIVEREF(__pyx_tuple__22);
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+  __Pyx_GOTREF(__pyx_tuple__14);
+  __Pyx_GIVEREF(__pyx_tuple__14);
 
-  /* "View.MemoryView":288
+  /* "View.MemoryView":311
  * cdef generic = Enum("<strided and direct or indirect>")
  * cdef strided = Enum("<strided and direct>") # default
  * cdef indirect = Enum("<strided and indirect>")             # <<<<<<<<<<<<<<
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-  __Pyx_GOTREF(__pyx_tuple__23);
-  __Pyx_GIVEREF(__pyx_tuple__23);
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+  __Pyx_GOTREF(__pyx_tuple__15);
+  __Pyx_GIVEREF(__pyx_tuple__15);
 
-  /* "View.MemoryView":291
+  /* "View.MemoryView":314
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  * 
  * cdef contiguous = Enum("<contiguous and direct>")             # <<<<<<<<<<<<<<
  * cdef indirect_contiguous = Enum("<contiguous and indirect>")
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-  __Pyx_GOTREF(__pyx_tuple__24);
-  __Pyx_GIVEREF(__pyx_tuple__24);
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+  /* "View.MemoryView":315
  * 
  * cdef contiguous = Enum("<contiguous and direct>")
  * cdef indirect_contiguous = Enum("<contiguous and indirect>")             # <<<<<<<<<<<<<<
  * 
  * 
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-  __Pyx_GOTREF(__pyx_tuple__25);
-  __Pyx_GIVEREF(__pyx_tuple__25);
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   /* "(tree fragment)":1
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+  __Pyx_GOTREF(__pyx_tuple__18);
+  __Pyx_GIVEREF(__pyx_tuple__18);
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+
+  /* "welford.pyx":3
+ * import cython
+ * 
+ * @cython.boundscheck(False)             # <<<<<<<<<<<<<<
+ * @cython.wraparound(False)
+ * def welford (float[:,:,::1] x,
+ */
+  __pyx_tuple__20 = PyTuple_Pack(5, __pyx_n_s_x, __pyx_n_s_avg, __pyx_n_s_var, __pyx_n_s_alpha, __pyx_n_s_size); if (unlikely(!__pyx_tuple__20)) __PYX_ERR(0, 3, __pyx_L1_error)
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   __pyx_int_1 = PyInt_FromLong(1); if (unlikely(!__pyx_int_1)) __PYX_ERR(0, 1, __pyx_L1_error)
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 }
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+static CYTHON_SMALL_CODE int __Pyx_InitGlobals(void) {
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 static CYTHON_SMALL_CODE int __Pyx_modinit_global_init_code(void); /*proto*/
 static CYTHON_SMALL_CODE int __Pyx_modinit_variable_export_code(void); /*proto*/
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 static int __Pyx_modinit_type_init_code(void) {
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+  __pyx_array_type->tp_as_buffer = &__pyx_tp_as_buffer_array;
+  if (!__pyx_array_type->tp_as_buffer->bf_releasebuffer && __pyx_array_type->tp_base->tp_as_buffer && __pyx_array_type->tp_base->tp_as_buffer->bf_releasebuffer) {
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+  }
+  #elif defined(Py_bf_getbuffer) && defined(Py_bf_releasebuffer)
+  /* PY_VERSION_HEX >= 0x03090000 || Py_LIMITED_API >= 0x030B0000 */
+  #elif defined(_MSC_VER)
+  #pragma message ("The buffer protocol is not supported in the Limited C-API < 3.11.")
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+  #warning "The buffer protocol is not supported in the Limited C-API < 3.11."
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-    __pyx_type___pyx_MemviewEnum.tp_getattro = __Pyx_PyObject_GenericGetAttr;
-  }
-  if (__Pyx_setup_reduce((PyObject*)&__pyx_type___pyx_MemviewEnum) < 0) __PYX_ERR(1, 279, __pyx_L1_error)
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  #endif
+  #if !CYTHON_USE_TYPE_SPECS
+  if (__Pyx_PyType_Ready(__pyx_array_type) < 0) __PYX_ERR(1, 114, __pyx_L1_error)
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  __pyx_array_type->tp_print = 0;
+  #endif
+  if (__Pyx_SetVtable(__pyx_array_type, __pyx_vtabptr_array) < 0) __PYX_ERR(1, 114, __pyx_L1_error)
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  if (__Pyx_MergeVtables(__pyx_array_type) < 0) __PYX_ERR(1, 114, __pyx_L1_error)
+  #endif
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  if (__Pyx_setup_reduce((PyObject *) __pyx_array_type) < 0) __PYX_ERR(1, 114, __pyx_L1_error)
+  #endif
+  #if CYTHON_USE_TYPE_SPECS
+  __pyx_MemviewEnum_type = (PyTypeObject *) __Pyx_PyType_FromModuleAndSpec(__pyx_m, &__pyx_type___pyx_MemviewEnum_spec, NULL); if (unlikely(!__pyx_MemviewEnum_type)) __PYX_ERR(1, 302, __pyx_L1_error)
+  if (__Pyx_fix_up_extension_type_from_spec(&__pyx_type___pyx_MemviewEnum_spec, __pyx_MemviewEnum_type) < 0) __PYX_ERR(1, 302, __pyx_L1_error)
+  #else
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+  #endif
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  #endif
+  #if !CYTHON_USE_TYPE_SPECS
+  if (__Pyx_PyType_Ready(__pyx_MemviewEnum_type) < 0) __PYX_ERR(1, 302, __pyx_L1_error)
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  __pyx_MemviewEnum_type->tp_print = 0;
+  #endif
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_MemviewEnum_type->tp_dictoffset && __pyx_MemviewEnum_type->tp_getattro == PyObject_GenericGetAttr)) {
+    __pyx_MemviewEnum_type->tp_getattro = __Pyx_PyObject_GenericGetAttr;
+  }
+  #endif
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  if (__Pyx_setup_reduce((PyObject *) __pyx_MemviewEnum_type) < 0) __PYX_ERR(1, 302, __pyx_L1_error)
+  #endif
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   __pyx_vtable_memoryview.get_item_pointer = (char *(*)(struct __pyx_memoryview_obj *, PyObject *))__pyx_memoryview_get_item_pointer;
   __pyx_vtable_memoryview.is_slice = (PyObject *(*)(struct __pyx_memoryview_obj *, PyObject *))__pyx_memoryview_is_slice;
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   __pyx_vtable_memoryview.convert_item_to_object = (PyObject *(*)(struct __pyx_memoryview_obj *, char *))__pyx_memoryview_convert_item_to_object;
   __pyx_vtable_memoryview.assign_item_from_object = (PyObject *(*)(struct __pyx_memoryview_obj *, char *, PyObject *))__pyx_memoryview_assign_item_from_object;
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-  #if PY_VERSION_HEX < 0x030800B1
-  __pyx_type___pyx_memoryview.tp_print = 0;
-  #endif
-  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type___pyx_memoryview.tp_dictoffset && __pyx_type___pyx_memoryview.tp_getattro == PyObject_GenericGetAttr)) {
-    __pyx_type___pyx_memoryview.tp_getattro = __Pyx_PyObject_GenericGetAttr;
+  __pyx_vtable_memoryview._get_base = (PyObject *(*)(struct __pyx_memoryview_obj *))__pyx_memoryview__get_base;
+  #if CYTHON_USE_TYPE_SPECS
+  __pyx_memoryview_type = (PyTypeObject *) __Pyx_PyType_FromModuleAndSpec(__pyx_m, &__pyx_type___pyx_memoryview_spec, NULL); if (unlikely(!__pyx_memoryview_type)) __PYX_ERR(1, 337, __pyx_L1_error)
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  __pyx_memoryview_type->tp_as_buffer = &__pyx_tp_as_buffer_memoryview;
+  if (!__pyx_memoryview_type->tp_as_buffer->bf_releasebuffer && __pyx_memoryview_type->tp_base->tp_as_buffer && __pyx_memoryview_type->tp_base->tp_as_buffer->bf_releasebuffer) {
+    __pyx_memoryview_type->tp_as_buffer->bf_releasebuffer = __pyx_memoryview_type->tp_base->tp_as_buffer->bf_releasebuffer;
   }
-  if (__Pyx_SetVtable(__pyx_type___pyx_memoryview.tp_dict, __pyx_vtabptr_memoryview) < 0) __PYX_ERR(1, 330, __pyx_L1_error)
-  if (__Pyx_setup_reduce((PyObject*)&__pyx_type___pyx_memoryview) < 0) __PYX_ERR(1, 330, __pyx_L1_error)
+  #elif defined(Py_bf_getbuffer) && defined(Py_bf_releasebuffer)
+  /* PY_VERSION_HEX >= 0x03090000 || Py_LIMITED_API >= 0x030B0000 */
+  #elif defined(_MSC_VER)
+  #pragma message ("The buffer protocol is not supported in the Limited C-API < 3.11.")
+  #else
+  #warning "The buffer protocol is not supported in the Limited C-API < 3.11."
+  #endif
+  if (__Pyx_fix_up_extension_type_from_spec(&__pyx_type___pyx_memoryview_spec, __pyx_memoryview_type) < 0) __PYX_ERR(1, 337, __pyx_L1_error)
+  #else
   __pyx_memoryview_type = &__pyx_type___pyx_memoryview;
+  #endif
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  #endif
+  #if !CYTHON_USE_TYPE_SPECS
+  if (__Pyx_PyType_Ready(__pyx_memoryview_type) < 0) __PYX_ERR(1, 337, __pyx_L1_error)
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  __pyx_memoryview_type->tp_print = 0;
+  #endif
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_memoryview_type->tp_dictoffset && __pyx_memoryview_type->tp_getattro == PyObject_GenericGetAttr)) {
+    __pyx_memoryview_type->tp_getattro = __Pyx_PyObject_GenericGetAttr;
+  }
+  #endif
+  if (__Pyx_SetVtable(__pyx_memoryview_type, __pyx_vtabptr_memoryview) < 0) __PYX_ERR(1, 337, __pyx_L1_error)
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  if (__Pyx_MergeVtables(__pyx_memoryview_type) < 0) __PYX_ERR(1, 337, __pyx_L1_error)
+  #endif
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  if (__Pyx_setup_reduce((PyObject *) __pyx_memoryview_type) < 0) __PYX_ERR(1, 337, __pyx_L1_error)
+  #endif
   __pyx_vtabptr__memoryviewslice = &__pyx_vtable__memoryviewslice;
   __pyx_vtable__memoryviewslice.__pyx_base = *__pyx_vtabptr_memoryview;
   __pyx_vtable__memoryviewslice.__pyx_base.convert_item_to_object = (PyObject *(*)(struct __pyx_memoryview_obj *, char *))__pyx_memoryviewslice_convert_item_to_object;
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-  __pyx_type___pyx_memoryviewslice.tp_base = __pyx_memoryview_type;
-  if (PyType_Ready(&__pyx_type___pyx_memoryviewslice) < 0) __PYX_ERR(1, 965, __pyx_L1_error)
-  #if PY_VERSION_HEX < 0x030800B1
-  __pyx_type___pyx_memoryviewslice.tp_print = 0;
+  __pyx_vtable__memoryviewslice.__pyx_base._get_base = (PyObject *(*)(struct __pyx_memoryview_obj *))__pyx_memoryviewslice__get_base;
+  #if CYTHON_USE_TYPE_SPECS
+  __pyx_t_1 = PyTuple_Pack(1, (PyObject *)__pyx_memoryview_type); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 952, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_memoryviewslice_type = (PyTypeObject *) __Pyx_PyType_FromModuleAndSpec(__pyx_m, &__pyx_type___pyx_memoryviewslice_spec, __pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
+  if (unlikely(!__pyx_memoryviewslice_type)) __PYX_ERR(1, 952, __pyx_L1_error)
+  if (__Pyx_fix_up_extension_type_from_spec(&__pyx_type___pyx_memoryviewslice_spec, __pyx_memoryviewslice_type) < 0) __PYX_ERR(1, 952, __pyx_L1_error)
+  #else
+  __pyx_memoryviewslice_type = &__pyx_type___pyx_memoryviewslice;
+  #endif
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  __pyx_memoryviewslice_type->tp_base = __pyx_memoryview_type;
   #endif
-  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type___pyx_memoryviewslice.tp_dictoffset && __pyx_type___pyx_memoryviewslice.tp_getattro == PyObject_GenericGetAttr)) {
-    __pyx_type___pyx_memoryviewslice.tp_getattro = __Pyx_PyObject_GenericGetAttr;
+  #if !CYTHON_USE_TYPE_SPECS
+  if (__Pyx_PyType_Ready(__pyx_memoryviewslice_type) < 0) __PYX_ERR(1, 952, __pyx_L1_error)
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  __pyx_memoryviewslice_type->tp_print = 0;
+  #endif
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_memoryviewslice_type->tp_dictoffset && __pyx_memoryviewslice_type->tp_getattro == PyObject_GenericGetAttr)) {
+    __pyx_memoryviewslice_type->tp_getattro = __Pyx_PyObject_GenericGetAttr;
   }
-  if (__Pyx_SetVtable(__pyx_type___pyx_memoryviewslice.tp_dict, __pyx_vtabptr__memoryviewslice) < 0) __PYX_ERR(1, 965, __pyx_L1_error)
-  if (__Pyx_setup_reduce((PyObject*)&__pyx_type___pyx_memoryviewslice) < 0) __PYX_ERR(1, 965, __pyx_L1_error)
-  __pyx_memoryviewslice_type = &__pyx_type___pyx_memoryviewslice;
+  #endif
+  if (__Pyx_SetVtable(__pyx_memoryviewslice_type, __pyx_vtabptr__memoryviewslice) < 0) __PYX_ERR(1, 952, __pyx_L1_error)
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  if (__Pyx_MergeVtables(__pyx_memoryviewslice_type) < 0) __PYX_ERR(1, 952, __pyx_L1_error)
+  #endif
+  #if !CYTHON_COMPILING_IN_LIMITED_API
+  if (__Pyx_setup_reduce((PyObject *) __pyx_memoryviewslice_type) < 0) __PYX_ERR(1, 952, __pyx_L1_error)
+  #endif
   __Pyx_RefNannyFinishContext();
   return 0;
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+  __Pyx_XDECREF(__pyx_t_1);
   __Pyx_RefNannyFinishContext();
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 }
@@ -16607,6 +19171,55 @@ static int __Pyx_modinit_function_import_code(void) {
 }
 
 
+#if PY_MAJOR_VERSION >= 3
+#if CYTHON_PEP489_MULTI_PHASE_INIT
+static PyObject* __pyx_pymod_create(PyObject *spec, PyModuleDef *def); /*proto*/
+static int __pyx_pymod_exec_welford(PyObject* module); /*proto*/
+static PyModuleDef_Slot __pyx_moduledef_slots[] = {
+  {Py_mod_create, (void*)__pyx_pymod_create},
+  {Py_mod_exec, (void*)__pyx_pymod_exec_welford},
+  {0, NULL}
+};
+#endif
+
+#ifdef __cplusplus
+namespace {
+  struct PyModuleDef __pyx_moduledef =
+  #else
+  static struct PyModuleDef __pyx_moduledef =
+  #endif
+  {
+      PyModuleDef_HEAD_INIT,
+      "welford",
+      0, /* m_doc */
+    #if CYTHON_PEP489_MULTI_PHASE_INIT
+      0, /* m_size */
+    #elif CYTHON_USE_MODULE_STATE
+      sizeof(__pyx_mstate), /* m_size */
+    #else
+      -1, /* m_size */
+    #endif
+      __pyx_methods /* m_methods */,
+    #if CYTHON_PEP489_MULTI_PHASE_INIT
+      __pyx_moduledef_slots, /* m_slots */
+    #else
+      NULL, /* m_reload */
+    #endif
+    #if CYTHON_USE_MODULE_STATE
+      __pyx_m_traverse, /* m_traverse */
+      __pyx_m_clear, /* m_clear */
+      NULL /* m_free */
+    #else
+      NULL, /* m_traverse */
+      NULL, /* m_clear */
+      NULL /* m_free */
+    #endif
+  };
+  #ifdef __cplusplus
+} /* anonymous namespace */
+#endif
+#endif
+
 #ifndef CYTHON_NO_PYINIT_EXPORT
 #define __Pyx_PyMODINIT_FUNC PyMODINIT_FUNC
 #elif PY_MAJOR_VERSION < 3
@@ -16657,12 +19270,21 @@ static CYTHON_SMALL_CODE int __Pyx_check_single_interpreter(void) {
     }
     return 0;
 }
-static CYTHON_SMALL_CODE int __Pyx_copy_spec_to_module(PyObject *spec, PyObject *moddict, const char* from_name, const char* to_name, int allow_none) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+static CYTHON_SMALL_CODE int __Pyx_copy_spec_to_module(PyObject *spec, PyObject *module, const char* from_name, const char* to_name, int allow_none)
+#else
+static CYTHON_SMALL_CODE int __Pyx_copy_spec_to_module(PyObject *spec, PyObject *moddict, const char* from_name, const char* to_name, int allow_none)
+#endif
+{
     PyObject *value = PyObject_GetAttrString(spec, from_name);
     int result = 0;
     if (likely(value)) {
         if (allow_none || value != Py_None) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+            result = PyModule_AddObject(module, to_name, value);
+#else
             result = PyDict_SetItemString(moddict, to_name, value);
+#endif
         }
         Py_DECREF(value);
     } else if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
@@ -16672,8 +19294,9 @@ static CYTHON_SMALL_CODE int __Pyx_copy_spec_to_module(PyObject *spec, PyObject
     }
     return result;
 }
-static CYTHON_SMALL_CODE PyObject* __pyx_pymod_create(PyObject *spec, CYTHON_UNUSED PyModuleDef *def) {
+static CYTHON_SMALL_CODE PyObject* __pyx_pymod_create(PyObject *spec, PyModuleDef *def) {
     PyObject *module = NULL, *moddict, *modname;
+    CYTHON_UNUSED_VAR(def);
     if (__Pyx_check_single_interpreter())
         return NULL;
     if (__pyx_m)
@@ -16683,8 +19306,12 @@ static CYTHON_SMALL_CODE PyObject* __pyx_pymod_create(PyObject *spec, CYTHON_UNU
     module = PyModule_NewObject(modname);
     Py_DECREF(modname);
     if (unlikely(!module)) goto bad;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    moddict = module;
+#else
     moddict = PyModule_GetDict(module);
     if (unlikely(!moddict)) goto bad;
+#endif
     if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "loader", "__loader__", 1) < 0)) goto bad;
     if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "origin", "__file__", 1) < 0)) goto bad;
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@@ -16700,8 +19327,18 @@ static CYTHON_SMALL_CODE int __pyx_pymod_exec_welford(PyObject *__pyx_pyinit_mod
 #endif
 #endif
 {
+  int stringtab_initialized = 0;
+  #if CYTHON_USE_MODULE_STATE
+  int pystate_addmodule_run = 0;
+  #endif
   PyObject *__pyx_t_1 = NULL;
-  static PyThread_type_lock __pyx_t_2[8];
+  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  int __pyx_t_6;
+  PyObject *__pyx_t_7 = NULL;
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   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
@@ -16715,6 +19352,33 @@ static CYTHON_SMALL_CODE int __pyx_pymod_exec_welford(PyObject *__pyx_pyinit_mod
   #elif PY_MAJOR_VERSION >= 3
   if (__pyx_m) return __Pyx_NewRef(__pyx_m);
   #endif
+  /*--- Module creation code ---*/
+  #if CYTHON_PEP489_MULTI_PHASE_INIT
+  __pyx_m = __pyx_pyinit_module;
+  Py_INCREF(__pyx_m);
+  #else
+  #if PY_MAJOR_VERSION < 3
+  __pyx_m = Py_InitModule4("welford", __pyx_methods, 0, 0, PYTHON_API_VERSION); Py_XINCREF(__pyx_m);
+  if (unlikely(!__pyx_m)) __PYX_ERR(0, 1, __pyx_L1_error)
+  #elif CYTHON_USE_MODULE_STATE
+  __pyx_t_1 = PyModule_Create(&__pyx_moduledef); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 1, __pyx_L1_error)
+  {
+    int add_module_result = PyState_AddModule(__pyx_t_1, &__pyx_moduledef);
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+    if (unlikely((add_module_result < 0))) __PYX_ERR(0, 1, __pyx_L1_error)
+    pystate_addmodule_run = 1;
+  }
+  #else
+  __pyx_m = PyModule_Create(&__pyx_moduledef);
+  if (unlikely(!__pyx_m)) __PYX_ERR(0, 1, __pyx_L1_error)
+  #endif
+  #endif
+  CYTHON_UNUSED_VAR(__pyx_t_1);
+  __pyx_d = PyModule_GetDict(__pyx_m); if (unlikely(!__pyx_d)) __PYX_ERR(0, 1, __pyx_L1_error)
+  Py_INCREF(__pyx_d);
+  __pyx_b = __Pyx_PyImport_AddModuleRef(__Pyx_BUILTIN_MODULE_NAME); if (unlikely(!__pyx_b)) __PYX_ERR(0, 1, __pyx_L1_error)
+  __pyx_cython_runtime = __Pyx_PyImport_AddModuleRef((const char *) "cython_runtime"); if (unlikely(!__pyx_cython_runtime)) __PYX_ERR(0, 1, __pyx_L1_error)
+  if (PyObject_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
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-  if (__Pyx_check_binary_version() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
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-  if (__pyx_CyFunction_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
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-  if (__pyx_FusedFunction_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
+  if (__pyx_FusedFunction_init(__pyx_m) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
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+#endif
+}
+static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+#if PY_VERSION_HEX >= 0x030C00A6
+    PyObject* exc_value;
+    exc_value = tstate->current_exception;
+    tstate->current_exception = 0;
+    *value = exc_value;
+    *type = NULL;
+    *tb = NULL;
+    if (exc_value) {
+        *type = (PyObject*) Py_TYPE(exc_value);
+        Py_INCREF(*type);
+        #if CYTHON_COMPILING_IN_CPYTHON
+        *tb = ((PyBaseExceptionObject*) exc_value)->traceback;
+        Py_XINCREF(*tb);
+        #else
+        *tb = PyException_GetTraceback(exc_value);
+        #endif
+    }
+#else
+    *type = tstate->curexc_type;
+    *value = tstate->curexc_value;
+    *tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#endif
+}
+#endif
+
 /* PyObjectGetAttrStr */
 #if CYTHON_USE_TYPE_SLOTS
 static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
@@ -17038,10 +20175,39 @@ static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject
 }
 #endif
 
+/* PyObjectGetAttrStrNoError */
+#if __PYX_LIMITED_VERSION_HEX < 0x030d00A1
+static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) {
+    __Pyx_PyThreadState_declare
+    __Pyx_PyThreadState_assign
+    if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
+        __Pyx_PyErr_Clear();
+}
+#endif
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) {
+    PyObject *result;
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d00A1
+    (void) PyObject_GetOptionalAttr(obj, attr_name, &result);
+    return result;
+#else
+#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) {
+        return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1);
+    }
+#endif
+    result = __Pyx_PyObject_GetAttrStr(obj, attr_name);
+    if (unlikely(!result)) {
+        __Pyx_PyObject_GetAttrStr_ClearAttributeError();
+    }
+    return result;
+#endif
+}
+
 /* GetBuiltinName */
 static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
-    PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name);
-    if (unlikely(!result)) {
+    PyObject* result = __Pyx_PyObject_GetAttrStrNoError(__pyx_b, name);
+    if (unlikely(!result) && !PyErr_Occurred()) {
         PyErr_Format(PyExc_NameError,
 #if PY_MAJOR_VERSION >= 3
             "name '%U' is not defined", name);
@@ -17052,78 +20218,348 @@ static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
     return result;
 }
 
-/* RaiseArgTupleInvalid */
-static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
-    Py_ssize_t num_expected;
-    const char *more_or_less;
-    if (num_found < num_min) {
-        num_expected = num_min;
-        more_or_less = "at least";
-    } else {
-        num_expected = num_max;
-        more_or_less = "at most";
-    }
-    if (exact) {
-        more_or_less = "exactly";
+/* TupleAndListFromArray */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE void __Pyx_copy_object_array(PyObject *const *CYTHON_RESTRICT src, PyObject** CYTHON_RESTRICT dest, Py_ssize_t length) {
+    PyObject *v;
+    Py_ssize_t i;
+    for (i = 0; i < length; i++) {
+        v = dest[i] = src[i];
+        Py_INCREF(v);
     }
-    PyErr_Format(PyExc_TypeError,
-                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
-                 func_name, more_or_less, num_expected,
-                 (num_expected == 1) ? "" : "s", num_found);
 }
-
-/* RaiseDoubleKeywords */
-static void __Pyx_RaiseDoubleKeywordsError(
-    const char* func_name,
-    PyObject* kw_name)
+static CYTHON_INLINE PyObject *
+__Pyx_PyTuple_FromArray(PyObject *const *src, Py_ssize_t n)
 {
-    PyErr_Format(PyExc_TypeError,
-        #if PY_MAJOR_VERSION >= 3
-        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
-        #else
-        "%s() got multiple values for keyword argument '%s'", func_name,
-        PyString_AsString(kw_name));
-        #endif
+    PyObject *res;
+    if (n <= 0) {
+        Py_INCREF(__pyx_empty_tuple);
+        return __pyx_empty_tuple;
+    }
+    res = PyTuple_New(n);
+    if (unlikely(res == NULL)) return NULL;
+    __Pyx_copy_object_array(src, ((PyTupleObject*)res)->ob_item, n);
+    return res;
 }
-
-/* ParseKeywords */
-static int __Pyx_ParseOptionalKeywords(
-    PyObject *kwds,
-    PyObject **argnames[],
-    PyObject *kwds2,
-    PyObject *values[],
-    Py_ssize_t num_pos_args,
-    const char* function_name)
+static CYTHON_INLINE PyObject *
+__Pyx_PyList_FromArray(PyObject *const *src, Py_ssize_t n)
 {
-    PyObject *key = 0, *value = 0;
-    Py_ssize_t pos = 0;
-    PyObject*** name;
-    PyObject*** first_kw_arg = argnames + num_pos_args;
-    while (PyDict_Next(kwds, &pos, &key, &value)) {
-        name = first_kw_arg;
-        while (*name && (**name != key)) name++;
-        if (*name) {
-            values[name-argnames] = value;
-            continue;
-        }
-        name = first_kw_arg;
-        #if PY_MAJOR_VERSION < 3
-        if (likely(PyString_Check(key))) {
-            while (*name) {
-                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
-                        && _PyString_Eq(**name, key)) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
+    PyObject *res;
+    if (n <= 0) {
+        return PyList_New(0);
+    }
+    res = PyList_New(n);
+    if (unlikely(res == NULL)) return NULL;
+    __Pyx_copy_object_array(src, ((PyListObject*)res)->ob_item, n);
+    return res;
+}
+#endif
+
+/* BytesEquals */
+static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
+    if (s1 == s2) {
+        return (equals == Py_EQ);
+    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
+        const char *ps1, *ps2;
+        Py_ssize_t length = PyBytes_GET_SIZE(s1);
+        if (length != PyBytes_GET_SIZE(s2))
+            return (equals == Py_NE);
+        ps1 = PyBytes_AS_STRING(s1);
+        ps2 = PyBytes_AS_STRING(s2);
+        if (ps1[0] != ps2[0]) {
+            return (equals == Py_NE);
+        } else if (length == 1) {
+            return (equals == Py_EQ);
+        } else {
+            int result;
+#if CYTHON_USE_UNICODE_INTERNALS && (PY_VERSION_HEX < 0x030B0000)
+            Py_hash_t hash1, hash2;
+            hash1 = ((PyBytesObject*)s1)->ob_shash;
+            hash2 = ((PyBytesObject*)s2)->ob_shash;
+            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
+                return (equals == Py_NE);
             }
-            if (*name) continue;
+#endif
+            result = memcmp(ps1, ps2, (size_t)length);
+            return (equals == Py_EQ) ? (result == 0) : (result != 0);
+        }
+    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
+        return (equals == Py_NE);
+    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
+        return (equals == Py_NE);
+    } else {
+        int result;
+        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
+        if (!py_result)
+            return -1;
+        result = __Pyx_PyObject_IsTrue(py_result);
+        Py_DECREF(py_result);
+        return result;
+    }
+#endif
+}
+
+/* UnicodeEquals */
+static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
+#if PY_MAJOR_VERSION < 3
+    PyObject* owned_ref = NULL;
+#endif
+    int s1_is_unicode, s2_is_unicode;
+    if (s1 == s2) {
+        goto return_eq;
+    }
+    s1_is_unicode = PyUnicode_CheckExact(s1);
+    s2_is_unicode = PyUnicode_CheckExact(s2);
+#if PY_MAJOR_VERSION < 3
+    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
+        owned_ref = PyUnicode_FromObject(s2);
+        if (unlikely(!owned_ref))
+            return -1;
+        s2 = owned_ref;
+        s2_is_unicode = 1;
+    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
+        owned_ref = PyUnicode_FromObject(s1);
+        if (unlikely(!owned_ref))
+            return -1;
+        s1 = owned_ref;
+        s1_is_unicode = 1;
+    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
+        return __Pyx_PyBytes_Equals(s1, s2, equals);
+    }
+#endif
+    if (s1_is_unicode & s2_is_unicode) {
+        Py_ssize_t length;
+        int kind;
+        void *data1, *data2;
+        if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0))
+            return -1;
+        length = __Pyx_PyUnicode_GET_LENGTH(s1);
+        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
+            goto return_ne;
+        }
+#if CYTHON_USE_UNICODE_INTERNALS
+        {
+            Py_hash_t hash1, hash2;
+        #if CYTHON_PEP393_ENABLED
+            hash1 = ((PyASCIIObject*)s1)->hash;
+            hash2 = ((PyASCIIObject*)s2)->hash;
+        #else
+            hash1 = ((PyUnicodeObject*)s1)->hash;
+            hash2 = ((PyUnicodeObject*)s2)->hash;
+        #endif
+            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
+                goto return_ne;
+            }
+        }
+#endif
+        kind = __Pyx_PyUnicode_KIND(s1);
+        if (kind != __Pyx_PyUnicode_KIND(s2)) {
+            goto return_ne;
+        }
+        data1 = __Pyx_PyUnicode_DATA(s1);
+        data2 = __Pyx_PyUnicode_DATA(s2);
+        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
+            goto return_ne;
+        } else if (length == 1) {
+            goto return_eq;
+        } else {
+            int result = memcmp(data1, data2, (size_t)(length * kind));
+            #if PY_MAJOR_VERSION < 3
+            Py_XDECREF(owned_ref);
+            #endif
+            return (equals == Py_EQ) ? (result == 0) : (result != 0);
+        }
+    } else if ((s1 == Py_None) & s2_is_unicode) {
+        goto return_ne;
+    } else if ((s2 == Py_None) & s1_is_unicode) {
+        goto return_ne;
+    } else {
+        int result;
+        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
+        #if PY_MAJOR_VERSION < 3
+        Py_XDECREF(owned_ref);
+        #endif
+        if (!py_result)
+            return -1;
+        result = __Pyx_PyObject_IsTrue(py_result);
+        Py_DECREF(py_result);
+        return result;
+    }
+return_eq:
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(owned_ref);
+    #endif
+    return (equals == Py_EQ);
+return_ne:
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(owned_ref);
+    #endif
+    return (equals == Py_NE);
+#endif
+}
+
+/* fastcall */
+#if CYTHON_METH_FASTCALL
+static CYTHON_INLINE PyObject * __Pyx_GetKwValue_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues, PyObject *s)
+{
+    Py_ssize_t i, n = PyTuple_GET_SIZE(kwnames);
+    for (i = 0; i < n; i++)
+    {
+        if (s == PyTuple_GET_ITEM(kwnames, i)) return kwvalues[i];
+    }
+    for (i = 0; i < n; i++)
+    {
+        int eq = __Pyx_PyUnicode_Equals(s, PyTuple_GET_ITEM(kwnames, i), Py_EQ);
+        if (unlikely(eq != 0)) {
+            if (unlikely(eq < 0)) return NULL;
+            return kwvalues[i];
+        }
+    }
+    return NULL;
+}
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030d0000
+CYTHON_UNUSED static PyObject *__Pyx_KwargsAsDict_FASTCALL(PyObject *kwnames, PyObject *const *kwvalues) {
+    Py_ssize_t i, nkwargs = PyTuple_GET_SIZE(kwnames);
+    PyObject *dict;
+    dict = PyDict_New();
+    if (unlikely(!dict))
+        return NULL;
+    for (i=0; i<nkwargs; i++) {
+        PyObject *key = PyTuple_GET_ITEM(kwnames, i);
+        if (unlikely(PyDict_SetItem(dict, key, kwvalues[i]) < 0))
+            goto bad;
+    }
+    return dict;
+bad:
+    Py_DECREF(dict);
+    return NULL;
+}
+#endif
+#endif
+
+/* RaiseArgTupleInvalid */
+static void __Pyx_RaiseArgtupleInvalid(
+    const char* func_name,
+    int exact,
+    Py_ssize_t num_min,
+    Py_ssize_t num_max,
+    Py_ssize_t num_found)
+{
+    Py_ssize_t num_expected;
+    const char *more_or_less;
+    if (num_found < num_min) {
+        num_expected = num_min;
+        more_or_less = "at least";
+    } else {
+        num_expected = num_max;
+        more_or_less = "at most";
+    }
+    if (exact) {
+        more_or_less = "exactly";
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                 func_name, more_or_less, num_expected,
+                 (num_expected == 1) ? "" : "s", num_found);
+}
+
+/* RaiseDoubleKeywords */
+static void __Pyx_RaiseDoubleKeywordsError(
+    const char* func_name,
+    PyObject* kw_name)
+{
+    PyErr_Format(PyExc_TypeError,
+        #if PY_MAJOR_VERSION >= 3
+        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
+        #else
+        "%s() got multiple values for keyword argument '%s'", func_name,
+        PyString_AsString(kw_name));
+        #endif
+}
+
+/* ParseKeywords */
+static int __Pyx_ParseOptionalKeywords(
+    PyObject *kwds,
+    PyObject *const *kwvalues,
+    PyObject **argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    const char* function_name)
+{
+    PyObject *key = 0, *value = 0;
+    Py_ssize_t pos = 0;
+    PyObject*** name;
+    PyObject*** first_kw_arg = argnames + num_pos_args;
+    int kwds_is_tuple = CYTHON_METH_FASTCALL && likely(PyTuple_Check(kwds));
+    while (1) {
+        Py_XDECREF(key); key = NULL;
+        Py_XDECREF(value); value = NULL;
+        if (kwds_is_tuple) {
+            Py_ssize_t size;
+#if CYTHON_ASSUME_SAFE_MACROS
+            size = PyTuple_GET_SIZE(kwds);
+#else
+            size = PyTuple_Size(kwds);
+            if (size < 0) goto bad;
+#endif
+            if (pos >= size) break;
+#if CYTHON_AVOID_BORROWED_REFS
+            key = __Pyx_PySequence_ITEM(kwds, pos);
+            if (!key) goto bad;
+#elif CYTHON_ASSUME_SAFE_MACROS
+            key = PyTuple_GET_ITEM(kwds, pos);
+#else
+            key = PyTuple_GetItem(kwds, pos);
+            if (!key) goto bad;
+#endif
+            value = kwvalues[pos];
+            pos++;
+        }
+        else
+        {
+            if (!PyDict_Next(kwds, &pos, &key, &value)) break;
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_INCREF(key);
+#endif
+        }
+        name = first_kw_arg;
+        while (*name && (**name != key)) name++;
+        if (*name) {
+            values[name-argnames] = value;
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_INCREF(value);
+            Py_DECREF(key);
+#endif
+            key = NULL;
+            value = NULL;
+            continue;
+        }
+#if !CYTHON_AVOID_BORROWED_REFS
+        Py_INCREF(key);
+#endif
+        Py_INCREF(value);
+        name = first_kw_arg;
+        #if PY_MAJOR_VERSION < 3
+        if (likely(PyString_Check(key))) {
+            while (*name) {
+                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
+                        && _PyString_Eq(**name, key)) {
+                    values[name-argnames] = value;
+#if CYTHON_AVOID_BORROWED_REFS
+                    value = NULL;
+#endif
+                    break;
+                }
+                name++;
+            }
+            if (*name) continue;
             else {
                 PyObject*** argname = argnames;
                 while (argname != first_kw_arg) {
@@ -17139,14 +20575,18 @@ static int __Pyx_ParseOptionalKeywords(
         #endif
         if (likely(PyUnicode_Check(key))) {
             while (*name) {
-                int cmp = (**name == key) ? 0 :
+                int cmp = (
                 #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                     (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
                 #endif
-                    PyUnicode_Compare(**name, key);
+                    PyUnicode_Compare(**name, key)
+                );
                 if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                 if (cmp == 0) {
                     values[name-argnames] = value;
+#if CYTHON_AVOID_BORROWED_REFS
+                    value = NULL;
+#endif
                     break;
                 }
                 name++;
@@ -17173,6 +20613,8 @@ static int __Pyx_ParseOptionalKeywords(
             goto invalid_keyword;
         }
     }
+    Py_XDECREF(key);
+    Py_XDECREF(value);
     return 0;
 arg_passed_twice:
     __Pyx_RaiseDoubleKeywordsError(function_name, key);
@@ -17182,156 +20624,29 @@ invalid_keyword_type:
         "%.200s() keywords must be strings", function_name);
     goto bad;
 invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
     #if PY_MAJOR_VERSION < 3
+    PyErr_Format(PyExc_TypeError,
         "%.200s() got an unexpected keyword argument '%.200s'",
         function_name, PyString_AsString(key));
     #else
+    PyErr_Format(PyExc_TypeError,
         "%s() got an unexpected keyword argument '%U'",
         function_name, key);
     #endif
 bad:
+    Py_XDECREF(key);
+    Py_XDECREF(value);
     return -1;
 }
 
-/* MemviewSliceInit */
-static int
-__Pyx_init_memviewslice(struct __pyx_memoryview_obj *memview,
-                        int ndim,
-                        __Pyx_memviewslice *memviewslice,
-                        int memview_is_new_reference)
+/* ArgTypeTest */
+static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact)
 {
-    __Pyx_RefNannyDeclarations
-    int i, retval=-1;
-    Py_buffer *buf = &memview->view;
-    __Pyx_RefNannySetupContext("init_memviewslice", 0);
-    if (unlikely(memviewslice->memview || memviewslice->data)) {
-        PyErr_SetString(PyExc_ValueError,
-            "memviewslice is already initialized!");
-        goto fail;
-    }
-    if (buf->strides) {
-        for (i = 0; i < ndim; i++) {
-            memviewslice->strides[i] = buf->strides[i];
-        }
-    } else {
-        Py_ssize_t stride = buf->itemsize;
-        for (i = ndim - 1; i >= 0; i--) {
-            memviewslice->strides[i] = stride;
-            stride *= buf->shape[i];
-        }
-    }
-    for (i = 0; i < ndim; i++) {
-        memviewslice->shape[i]   = buf->shape[i];
-        if (buf->suboffsets) {
-            memviewslice->suboffsets[i] = buf->suboffsets[i];
-        } else {
-            memviewslice->suboffsets[i] = -1;
-        }
-    }
-    memviewslice->memview = memview;
-    memviewslice->data = (char *)buf->buf;
-    if (__pyx_add_acquisition_count(memview) == 0 && !memview_is_new_reference) {
-        Py_INCREF(memview);
-    }
-    retval = 0;
-    goto no_fail;
-fail:
-    memviewslice->memview = 0;
-    memviewslice->data = 0;
-    retval = -1;
-no_fail:
-    __Pyx_RefNannyFinishContext();
-    return retval;
-}
-#ifndef Py_NO_RETURN
-#define Py_NO_RETURN
-#endif
-static void __pyx_fatalerror(const char *fmt, ...) Py_NO_RETURN {
-    va_list vargs;
-    char msg[200];
-#ifdef HAVE_STDARG_PROTOTYPES
-    va_start(vargs, fmt);
-#else
-    va_start(vargs);
-#endif
-    vsnprintf(msg, 200, fmt, vargs);
-    va_end(vargs);
-    Py_FatalError(msg);
-}
-static CYTHON_INLINE int
-__pyx_add_acquisition_count_locked(__pyx_atomic_int *acquisition_count,
-                                   PyThread_type_lock lock)
-{
-    int result;
-    PyThread_acquire_lock(lock, 1);
-    result = (*acquisition_count)++;
-    PyThread_release_lock(lock);
-    return result;
-}
-static CYTHON_INLINE int
-__pyx_sub_acquisition_count_locked(__pyx_atomic_int *acquisition_count,
-                                   PyThread_type_lock lock)
-{
-    int result;
-    PyThread_acquire_lock(lock, 1);
-    result = (*acquisition_count)--;
-    PyThread_release_lock(lock);
-    return result;
-}
-static CYTHON_INLINE void
-__Pyx_INC_MEMVIEW(__Pyx_memviewslice *memslice, int have_gil, int lineno)
-{
-    int first_time;
-    struct __pyx_memoryview_obj *memview = memslice->memview;
-    if (unlikely(!memview || (PyObject *) memview == Py_None))
-        return;
-    if (unlikely(__pyx_get_slice_count(memview) < 0))
-        __pyx_fatalerror("Acquisition count is %d (line %d)",
-                         __pyx_get_slice_count(memview), lineno);
-    first_time = __pyx_add_acquisition_count(memview) == 0;
-    if (unlikely(first_time)) {
-        if (have_gil) {
-            Py_INCREF((PyObject *) memview);
-        } else {
-            PyGILState_STATE _gilstate = PyGILState_Ensure();
-            Py_INCREF((PyObject *) memview);
-            PyGILState_Release(_gilstate);
-        }
-    }
-}
-static CYTHON_INLINE void __Pyx_XDEC_MEMVIEW(__Pyx_memviewslice *memslice,
-                                             int have_gil, int lineno) {
-    int last_time;
-    struct __pyx_memoryview_obj *memview = memslice->memview;
-    if (unlikely(!memview || (PyObject *) memview == Py_None)) {
-        memslice->memview = NULL;
-        return;
-    }
-    if (unlikely(__pyx_get_slice_count(memview) <= 0))
-        __pyx_fatalerror("Acquisition count is %d (line %d)",
-                         __pyx_get_slice_count(memview), lineno);
-    last_time = __pyx_sub_acquisition_count(memview) == 1;
-    memslice->data = NULL;
-    if (unlikely(last_time)) {
-        if (have_gil) {
-            Py_CLEAR(memslice->memview);
-        } else {
-            PyGILState_STATE _gilstate = PyGILState_Ensure();
-            Py_CLEAR(memslice->memview);
-            PyGILState_Release(_gilstate);
-        }
-    } else {
-        memslice->memview = NULL;
-    }
-}
-
-/* ArgTypeTest */
-static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact)
-{
-    if (unlikely(!type)) {
-        PyErr_SetString(PyExc_SystemError, "Missing type object");
-        return 0;
+    __Pyx_TypeName type_name;
+    __Pyx_TypeName obj_type_name;
+    if (unlikely(!type)) {
+        PyErr_SetString(PyExc_SystemError, "Missing type object");
+        return 0;
     }
     else if (exact) {
         #if PY_MAJOR_VERSION == 2
@@ -17341,61 +20656,21 @@ static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *nam
     else {
         if (likely(__Pyx_TypeCheck(obj, type))) return 1;
     }
+    type_name = __Pyx_PyType_GetName(type);
+    obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
     PyErr_Format(PyExc_TypeError,
-        "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)",
-        name, type->tp_name, Py_TYPE(obj)->tp_name);
+        "Argument '%.200s' has incorrect type (expected " __Pyx_FMT_TYPENAME
+        ", got " __Pyx_FMT_TYPENAME ")", name, type_name, obj_type_name);
+    __Pyx_DECREF_TypeName(type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
     return 0;
 }
 
-/* PyObjectCall */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyObject *result;
-    ternaryfunc call = Py_TYPE(func)->tp_call;
-    if (unlikely(!call))
-        return PyObject_Call(func, arg, kw);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-    result = (*call)(func, arg, kw);
-    Py_LeaveRecursiveCall();
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
-    }
-    return result;
-}
-#endif
-
-/* PyErrFetchRestore */
-#if CYTHON_FAST_THREAD_STATE
-static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    tmp_type = tstate->curexc_type;
-    tmp_value = tstate->curexc_value;
-    tmp_tb = tstate->curexc_traceback;
-    tstate->curexc_type = type;
-    tstate->curexc_value = value;
-    tstate->curexc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-}
-static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    *type = tstate->curexc_type;
-    *value = tstate->curexc_value;
-    *tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-}
-#endif
-
 /* RaiseException */
 #if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
     __Pyx_PyThreadState_declare
+    CYTHON_UNUSED_VAR(cause);
     Py_XINCREF(type);
     if (!value || value == Py_None)
         value = NULL;
@@ -17528,13 +20803,9 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject
     }
     PyErr_SetObject(type, value);
     if (tb) {
-#if CYTHON_COMPILING_IN_PYPY
-        PyObject *tmp_type, *tmp_value, *tmp_tb;
-        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
-        Py_INCREF(tb);
-        PyErr_Restore(tmp_type, tmp_value, tb);
-        Py_XDECREF(tmp_tb);
-#else
+      #if PY_VERSION_HEX >= 0x030C00A6
+        PyException_SetTraceback(value, tb);
+      #elif CYTHON_FAST_THREAD_STATE
         PyThreadState *tstate = __Pyx_PyThreadState_Current;
         PyObject* tmp_tb = tstate->curexc_traceback;
         if (tb != tmp_tb) {
@@ -17542,6 +20813,12 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject
             tstate->curexc_traceback = tb;
             Py_XDECREF(tmp_tb);
         }
+#else
+        PyObject *tmp_type, *tmp_value, *tmp_tb;
+        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
+        Py_INCREF(tb);
+        PyErr_Restore(tmp_type, tmp_value, tb);
+        Py_XDECREF(tmp_tb);
 #endif
     }
 bad:
@@ -17550,31 +20827,8 @@ bad:
 }
 #endif
 
-/* PyCFunctionFastCall */
-#if CYTHON_FAST_PYCCALL
-static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) {
-    PyCFunctionObject *func = (PyCFunctionObject*)func_obj;
-    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
-    PyObject *self = PyCFunction_GET_SELF(func);
-    int flags = PyCFunction_GET_FLAGS(func);
-    assert(PyCFunction_Check(func));
-    assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS)));
-    assert(nargs >= 0);
-    assert(nargs == 0 || args != NULL);
-    /* _PyCFunction_FastCallDict() must not be called with an exception set,
-       because it may clear it (directly or indirectly) and so the
-       caller loses its exception */
-    assert(!PyErr_Occurred());
-    if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) {
-        return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL);
-    } else {
-        return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs);
-    }
-}
-#endif
-
 /* PyFunctionFastCall */
-#if CYTHON_FAST_PYCALL
+#if CYTHON_FAST_PYCALL && !CYTHON_VECTORCALL
 static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
                                                PyObject *globals) {
     PyFrameObject *f;
@@ -17603,7 +20857,6 @@ static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args
     --tstate->recursion_depth;
     return result;
 }
-#if 1 || PY_VERSION_HEX < 0x030600B1
 static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) {
     PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
     PyObject *globals = PyFunction_GET_GLOBALS(func);
@@ -17619,9 +20872,15 @@ static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args,
     PyObject *result;
     assert(kwargs == NULL || PyDict_Check(kwargs));
     nk = kwargs ? PyDict_Size(kwargs) : 0;
-    if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
+    #if PY_MAJOR_VERSION < 3
+    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) {
         return NULL;
     }
+    #else
+    if (unlikely(Py_EnterRecursiveCall(" while calling a Python object"))) {
+        return NULL;
+    }
+    #endif
     if (
 #if PY_MAJOR_VERSION >= 3
             co->co_kwonlyargcount == 0 &&
@@ -17690,46 +20949,46 @@ done:
     return result;
 }
 #endif
-#endif
 
-/* PyObjectCall2Args */
-static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) {
-    PyObject *args, *result = NULL;
-    #if CYTHON_FAST_PYCALL
-    if (PyFunction_Check(function)) {
-        PyObject *args[2] = {arg1, arg2};
-        return __Pyx_PyFunction_FastCall(function, args, 2);
-    }
+/* PyObjectCall */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyObject *result;
+    ternaryfunc call = Py_TYPE(func)->tp_call;
+    if (unlikely(!call))
+        return PyObject_Call(func, arg, kw);
+    #if PY_MAJOR_VERSION < 3
+    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
+        return NULL;
+    #else
+    if (unlikely(Py_EnterRecursiveCall(" while calling a Python object")))
+        return NULL;
     #endif
-    #if CYTHON_FAST_PYCCALL
-    if (__Pyx_PyFastCFunction_Check(function)) {
-        PyObject *args[2] = {arg1, arg2};
-        return __Pyx_PyCFunction_FastCall(function, args, 2);
+    result = (*call)(func, arg, kw);
+    Py_LeaveRecursiveCall();
+    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
+        PyErr_SetString(
+            PyExc_SystemError,
+            "NULL result without error in PyObject_Call");
     }
-    #endif
-    args = PyTuple_New(2);
-    if (unlikely(!args)) goto done;
-    Py_INCREF(arg1);
-    PyTuple_SET_ITEM(args, 0, arg1);
-    Py_INCREF(arg2);
-    PyTuple_SET_ITEM(args, 1, arg2);
-    Py_INCREF(function);
-    result = __Pyx_PyObject_Call(function, args, NULL);
-    Py_DECREF(args);
-    Py_DECREF(function);
-done:
     return result;
 }
+#endif
 
 /* PyObjectCallMethO */
 #if CYTHON_COMPILING_IN_CPYTHON
 static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
     PyObject *self, *result;
     PyCFunction cfunc;
-    cfunc = PyCFunction_GET_FUNCTION(func);
-    self = PyCFunction_GET_SELF(func);
+    cfunc = __Pyx_CyOrPyCFunction_GET_FUNCTION(func);
+    self = __Pyx_CyOrPyCFunction_GET_SELF(func);
+    #if PY_MAJOR_VERSION < 3
     if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
         return NULL;
+    #else
+    if (unlikely(Py_EnterRecursiveCall(" while calling a Python object")))
+        return NULL;
+    #endif
     result = cfunc(self, arg);
     Py_LeaveRecursiveCall();
     if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
@@ -17741,203 +21000,412 @@ static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject
 }
 #endif
 
-/* PyObjectCallOneArg */
-#if CYTHON_COMPILING_IN_CPYTHON
-static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject *result;
-    PyObject *args = PyTuple_New(1);
-    if (unlikely(!args)) return NULL;
-    Py_INCREF(arg);
-    PyTuple_SET_ITEM(args, 0, arg);
-    result = __Pyx_PyObject_Call(func, args, NULL);
-    Py_DECREF(args);
+/* PyObjectFastCall */
+#if PY_VERSION_HEX < 0x03090000 || CYTHON_COMPILING_IN_LIMITED_API
+static PyObject* __Pyx_PyObject_FastCall_fallback(PyObject *func, PyObject **args, size_t nargs, PyObject *kwargs) {
+    PyObject *argstuple;
+    PyObject *result = 0;
+    size_t i;
+    argstuple = PyTuple_New((Py_ssize_t)nargs);
+    if (unlikely(!argstuple)) return NULL;
+    for (i = 0; i < nargs; i++) {
+        Py_INCREF(args[i]);
+        if (__Pyx_PyTuple_SET_ITEM(argstuple, (Py_ssize_t)i, args[i]) < 0) goto bad;
+    }
+    result = __Pyx_PyObject_Call(func, argstuple, kwargs);
+  bad:
+    Py_DECREF(argstuple);
     return result;
 }
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-#if CYTHON_FAST_PYCALL
-    if (PyFunction_Check(func)) {
-        return __Pyx_PyFunction_FastCall(func, &arg, 1);
-    }
 #endif
-    if (likely(PyCFunction_Check(func))) {
-        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
-            return __Pyx_PyObject_CallMethO(func, arg);
-#if CYTHON_FAST_PYCCALL
-        } else if (__Pyx_PyFastCFunction_Check(func)) {
-            return __Pyx_PyCFunction_FastCall(func, &arg, 1);
+static CYTHON_INLINE PyObject* __Pyx_PyObject_FastCallDict(PyObject *func, PyObject **args, size_t _nargs, PyObject *kwargs) {
+    Py_ssize_t nargs = __Pyx_PyVectorcall_NARGS(_nargs);
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (nargs == 0 && kwargs == NULL) {
+        if (__Pyx_CyOrPyCFunction_Check(func) && likely( __Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_NOARGS))
+            return __Pyx_PyObject_CallMethO(func, NULL);
+    }
+    else if (nargs == 1 && kwargs == NULL) {
+        if (__Pyx_CyOrPyCFunction_Check(func) && likely( __Pyx_CyOrPyCFunction_GET_FLAGS(func) & METH_O))
+            return __Pyx_PyObject_CallMethO(func, args[0]);
+    }
 #endif
+    #if PY_VERSION_HEX < 0x030800B1
+    #if CYTHON_FAST_PYCCALL
+    if (PyCFunction_Check(func)) {
+        if (kwargs) {
+            return _PyCFunction_FastCallDict(func, args, nargs, kwargs);
+        } else {
+            return _PyCFunction_FastCallKeywords(func, args, nargs, NULL);
+        }
+    }
+    #if PY_VERSION_HEX >= 0x030700A1
+    if (!kwargs && __Pyx_IS_TYPE(func, &PyMethodDescr_Type)) {
+        return _PyMethodDescr_FastCallKeywords(func, args, nargs, NULL);
+    }
+    #endif
+    #endif
+    #if CYTHON_FAST_PYCALL
+    if (PyFunction_Check(func)) {
+        return __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs);
+    }
+    #endif
+    #endif
+    if (kwargs == NULL) {
+        #if CYTHON_VECTORCALL
+        #if PY_VERSION_HEX < 0x03090000
+        vectorcallfunc f = _PyVectorcall_Function(func);
+        #else
+        vectorcallfunc f = PyVectorcall_Function(func);
+        #endif
+        if (f) {
+            return f(func, args, (size_t)nargs, NULL);
+        }
+        #elif defined(__Pyx_CyFunction_USED) && CYTHON_BACKPORT_VECTORCALL
+        if (__Pyx_CyFunction_CheckExact(func)) {
+            __pyx_vectorcallfunc f = __Pyx_CyFunction_func_vectorcall(func);
+            if (f) return f(func, args, (size_t)nargs, NULL);
         }
+        #endif
+    }
+    if (nargs == 0) {
+        return __Pyx_PyObject_Call(func, __pyx_empty_tuple, kwargs);
     }
-    return __Pyx__PyObject_CallOneArg(func, arg);
+    #if PY_VERSION_HEX >= 0x03090000 && !CYTHON_COMPILING_IN_LIMITED_API
+    return PyObject_VectorcallDict(func, args, (size_t)nargs, kwargs);
+    #else
+    return __Pyx_PyObject_FastCall_fallback(func, args, (size_t)nargs, kwargs);
+    #endif
 }
-#else
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject *result;
-    PyObject *args = PyTuple_Pack(1, arg);
-    if (unlikely(!args)) return NULL;
-    result = __Pyx_PyObject_Call(func, args, NULL);
-    Py_DECREF(args);
-    return result;
+
+/* RaiseUnexpectedTypeError */
+static int
+__Pyx_RaiseUnexpectedTypeError(const char *expected, PyObject *obj)
+{
+    __Pyx_TypeName obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    PyErr_Format(PyExc_TypeError, "Expected %s, got " __Pyx_FMT_TYPENAME,
+                 expected, obj_type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
+    return 0;
 }
-#endif
 
-/* BytesEquals */
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
+/* CIntToDigits */
+static const char DIGIT_PAIRS_10[2*10*10+1] = {
+    "00010203040506070809"
+    "10111213141516171819"
+    "20212223242526272829"
+    "30313233343536373839"
+    "40414243444546474849"
+    "50515253545556575859"
+    "60616263646566676869"
+    "70717273747576777879"
+    "80818283848586878889"
+    "90919293949596979899"
+};
+static const char DIGIT_PAIRS_8[2*8*8+1] = {
+    "0001020304050607"
+    "1011121314151617"
+    "2021222324252627"
+    "3031323334353637"
+    "4041424344454647"
+    "5051525354555657"
+    "6061626364656667"
+    "7071727374757677"
+};
+static const char DIGITS_HEX[2*16+1] = {
+    "0123456789abcdef"
+    "0123456789ABCDEF"
+};
+
+/* BuildPyUnicode */
+static PyObject* __Pyx_PyUnicode_BuildFromAscii(Py_ssize_t ulength, char* chars, int clength,
+                                                int prepend_sign, char padding_char) {
+    PyObject *uval;
+    Py_ssize_t uoffset = ulength - clength;
+#if CYTHON_USE_UNICODE_INTERNALS
+    Py_ssize_t i;
+#if CYTHON_PEP393_ENABLED
+    void *udata;
+    uval = PyUnicode_New(ulength, 127);
+    if (unlikely(!uval)) return NULL;
+    udata = PyUnicode_DATA(uval);
 #else
-    if (s1 == s2) {
-        return (equals == Py_EQ);
-    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
-        const char *ps1, *ps2;
-        Py_ssize_t length = PyBytes_GET_SIZE(s1);
-        if (length != PyBytes_GET_SIZE(s2))
-            return (equals == Py_NE);
-        ps1 = PyBytes_AS_STRING(s1);
-        ps2 = PyBytes_AS_STRING(s2);
-        if (ps1[0] != ps2[0]) {
-            return (equals == Py_NE);
-        } else if (length == 1) {
-            return (equals == Py_EQ);
-        } else {
-            int result;
-#if CYTHON_USE_UNICODE_INTERNALS
-            Py_hash_t hash1, hash2;
-            hash1 = ((PyBytesObject*)s1)->ob_shash;
-            hash2 = ((PyBytesObject*)s2)->ob_shash;
-            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
-                return (equals == Py_NE);
-            }
+    Py_UNICODE *udata;
+    uval = PyUnicode_FromUnicode(NULL, ulength);
+    if (unlikely(!uval)) return NULL;
+    udata = PyUnicode_AS_UNICODE(uval);
 #endif
-            result = memcmp(ps1, ps2, (size_t)length);
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
+    if (uoffset > 0) {
+        i = 0;
+        if (prepend_sign) {
+            __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, 0, '-');
+            i++;
         }
-    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
-        return (equals == Py_NE);
-    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
-        return (equals == Py_NE);
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
+        for (; i < uoffset; i++) {
+            __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, i, padding_char);
+        }
+    }
+    for (i=0; i < clength; i++) {
+        __Pyx_PyUnicode_WRITE(PyUnicode_1BYTE_KIND, udata, uoffset+i, chars[i]);
+    }
+#else
+    {
+        PyObject *sign = NULL, *padding = NULL;
+        uval = NULL;
+        if (uoffset > 0) {
+            prepend_sign = !!prepend_sign;
+            if (uoffset > prepend_sign) {
+                padding = PyUnicode_FromOrdinal(padding_char);
+                if (likely(padding) && uoffset > prepend_sign + 1) {
+                    PyObject *tmp;
+                    PyObject *repeat = PyInt_FromSsize_t(uoffset - prepend_sign);
+                    if (unlikely(!repeat)) goto done_or_error;
+                    tmp = PyNumber_Multiply(padding, repeat);
+                    Py_DECREF(repeat);
+                    Py_DECREF(padding);
+                    padding = tmp;
+                }
+                if (unlikely(!padding)) goto done_or_error;
+            }
+            if (prepend_sign) {
+                sign = PyUnicode_FromOrdinal('-');
+                if (unlikely(!sign)) goto done_or_error;
+            }
+        }
+        uval = PyUnicode_DecodeASCII(chars, clength, NULL);
+        if (likely(uval) && padding) {
+            PyObject *tmp = PyNumber_Add(padding, uval);
+            Py_DECREF(uval);
+            uval = tmp;
+        }
+        if (likely(uval) && sign) {
+            PyObject *tmp = PyNumber_Add(sign, uval);
+            Py_DECREF(uval);
+            uval = tmp;
+        }
+done_or_error:
+        Py_XDECREF(padding);
+        Py_XDECREF(sign);
     }
 #endif
+    return uval;
 }
 
-/* UnicodeEquals */
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-#if PY_MAJOR_VERSION < 3
-    PyObject* owned_ref = NULL;
+/* CIntToPyUnicode */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_int(int value, Py_ssize_t width, char padding_char, char format_char) {
+    char digits[sizeof(int)*3+2];
+    char *dpos, *end = digits + sizeof(int)*3+2;
+    const char *hex_digits = DIGITS_HEX;
+    Py_ssize_t length, ulength;
+    int prepend_sign, last_one_off;
+    int remaining;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
 #endif
-    int s1_is_unicode, s2_is_unicode;
-    if (s1 == s2) {
-        goto return_eq;
+    const int neg_one = (int) -1, const_zero = (int) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (format_char == 'X') {
+        hex_digits += 16;
+        format_char = 'x';
+    }
+    remaining = value;
+    last_one_off = 0;
+    dpos = end;
+    do {
+        int digit_pos;
+        switch (format_char) {
+        case 'o':
+            digit_pos = abs((int)(remaining % (8*8)));
+            remaining = (int) (remaining / (8*8));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_8 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 8);
+            break;
+        case 'd':
+            digit_pos = abs((int)(remaining % (10*10)));
+            remaining = (int) (remaining / (10*10));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_10 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 10);
+            break;
+        case 'x':
+            *(--dpos) = hex_digits[abs((int)(remaining % 16))];
+            remaining = (int) (remaining / 16);
+            break;
+        default:
+            assert(0);
+            break;
+        }
+    } while (unlikely(remaining != 0));
+    assert(!last_one_off || *dpos == '0');
+    dpos += last_one_off;
+    length = end - dpos;
+    ulength = length;
+    prepend_sign = 0;
+    if (!is_unsigned && value <= neg_one) {
+        if (padding_char == ' ' || width <= length + 1) {
+            *(--dpos) = '-';
+            ++length;
+        } else {
+            prepend_sign = 1;
+        }
+        ++ulength;
     }
-    s1_is_unicode = PyUnicode_CheckExact(s1);
-    s2_is_unicode = PyUnicode_CheckExact(s2);
-#if PY_MAJOR_VERSION < 3
-    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
-        owned_ref = PyUnicode_FromObject(s2);
-        if (unlikely(!owned_ref))
-            return -1;
-        s2 = owned_ref;
-        s2_is_unicode = 1;
-    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
-        owned_ref = PyUnicode_FromObject(s1);
-        if (unlikely(!owned_ref))
-            return -1;
-        s1 = owned_ref;
-        s1_is_unicode = 1;
-    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
-        return __Pyx_PyBytes_Equals(s1, s2, equals);
+    if (width > ulength) {
+        ulength = width;
     }
+    if (ulength == 1) {
+        return PyUnicode_FromOrdinal(*dpos);
+    }
+    return __Pyx_PyUnicode_BuildFromAscii(ulength, dpos, (int) length, prepend_sign, padding_char);
+}
+
+/* CIntToPyUnicode */
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_From_Py_ssize_t(Py_ssize_t value, Py_ssize_t width, char padding_char, char format_char) {
+    char digits[sizeof(Py_ssize_t)*3+2];
+    char *dpos, *end = digits + sizeof(Py_ssize_t)*3+2;
+    const char *hex_digits = DIGITS_HEX;
+    Py_ssize_t length, ulength;
+    int prepend_sign, last_one_off;
+    Py_ssize_t remaining;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
 #endif
-    if (s1_is_unicode & s2_is_unicode) {
-        Py_ssize_t length;
-        int kind;
-        void *data1, *data2;
-        if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0))
-            return -1;
-        length = __Pyx_PyUnicode_GET_LENGTH(s1);
-        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
-            goto return_ne;
+    const Py_ssize_t neg_one = (Py_ssize_t) -1, const_zero = (Py_ssize_t) 0;
+#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
+#pragma GCC diagnostic pop
+#endif
+    const int is_unsigned = neg_one > const_zero;
+    if (format_char == 'X') {
+        hex_digits += 16;
+        format_char = 'x';
+    }
+    remaining = value;
+    last_one_off = 0;
+    dpos = end;
+    do {
+        int digit_pos;
+        switch (format_char) {
+        case 'o':
+            digit_pos = abs((int)(remaining % (8*8)));
+            remaining = (Py_ssize_t) (remaining / (8*8));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_8 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 8);
+            break;
+        case 'd':
+            digit_pos = abs((int)(remaining % (10*10)));
+            remaining = (Py_ssize_t) (remaining / (10*10));
+            dpos -= 2;
+            memcpy(dpos, DIGIT_PAIRS_10 + digit_pos * 2, 2);
+            last_one_off = (digit_pos < 10);
+            break;
+        case 'x':
+            *(--dpos) = hex_digits[abs((int)(remaining % 16))];
+            remaining = (Py_ssize_t) (remaining / 16);
+            break;
+        default:
+            assert(0);
+            break;
         }
-#if CYTHON_USE_UNICODE_INTERNALS
-        {
-            Py_hash_t hash1, hash2;
-        #if CYTHON_PEP393_ENABLED
-            hash1 = ((PyASCIIObject*)s1)->hash;
-            hash2 = ((PyASCIIObject*)s2)->hash;
-        #else
-            hash1 = ((PyUnicodeObject*)s1)->hash;
-            hash2 = ((PyUnicodeObject*)s2)->hash;
-        #endif
-            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
-                goto return_ne;
-            }
+    } while (unlikely(remaining != 0));
+    assert(!last_one_off || *dpos == '0');
+    dpos += last_one_off;
+    length = end - dpos;
+    ulength = length;
+    prepend_sign = 0;
+    if (!is_unsigned && value <= neg_one) {
+        if (padding_char == ' ' || width <= length + 1) {
+            *(--dpos) = '-';
+            ++length;
+        } else {
+            prepend_sign = 1;
         }
+        ++ulength;
+    }
+    if (width > ulength) {
+        ulength = width;
+    }
+    if (ulength == 1) {
+        return PyUnicode_FromOrdinal(*dpos);
+    }
+    return __Pyx_PyUnicode_BuildFromAscii(ulength, dpos, (int) length, prepend_sign, padding_char);
+}
+
+/* JoinPyUnicode */
+static PyObject* __Pyx_PyUnicode_Join(PyObject* value_tuple, Py_ssize_t value_count, Py_ssize_t result_ulength,
+                                      Py_UCS4 max_char) {
+#if CYTHON_USE_UNICODE_INTERNALS && CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    PyObject *result_uval;
+    int result_ukind, kind_shift;
+    Py_ssize_t i, char_pos;
+    void *result_udata;
+    CYTHON_MAYBE_UNUSED_VAR(max_char);
+#if CYTHON_PEP393_ENABLED
+    result_uval = PyUnicode_New(result_ulength, max_char);
+    if (unlikely(!result_uval)) return NULL;
+    result_ukind = (max_char <= 255) ? PyUnicode_1BYTE_KIND : (max_char <= 65535) ? PyUnicode_2BYTE_KIND : PyUnicode_4BYTE_KIND;
+    kind_shift = (result_ukind == PyUnicode_4BYTE_KIND) ? 2 : result_ukind - 1;
+    result_udata = PyUnicode_DATA(result_uval);
+#else
+    result_uval = PyUnicode_FromUnicode(NULL, result_ulength);
+    if (unlikely(!result_uval)) return NULL;
+    result_ukind = sizeof(Py_UNICODE);
+    kind_shift = (result_ukind == 4) ? 2 : result_ukind - 1;
+    result_udata = PyUnicode_AS_UNICODE(result_uval);
 #endif
-        kind = __Pyx_PyUnicode_KIND(s1);
-        if (kind != __Pyx_PyUnicode_KIND(s2)) {
-            goto return_ne;
-        }
-        data1 = __Pyx_PyUnicode_DATA(s1);
-        data2 = __Pyx_PyUnicode_DATA(s2);
-        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
-            goto return_ne;
-        } else if (length == 1) {
-            goto return_eq;
+    assert(kind_shift == 2 || kind_shift == 1 || kind_shift == 0);
+    char_pos = 0;
+    for (i=0; i < value_count; i++) {
+        int ukind;
+        Py_ssize_t ulength;
+        void *udata;
+        PyObject *uval = PyTuple_GET_ITEM(value_tuple, i);
+        if (unlikely(__Pyx_PyUnicode_READY(uval)))
+            goto bad;
+        ulength = __Pyx_PyUnicode_GET_LENGTH(uval);
+        if (unlikely(!ulength))
+            continue;
+        if (unlikely((PY_SSIZE_T_MAX >> kind_shift) - ulength < char_pos))
+            goto overflow;
+        ukind = __Pyx_PyUnicode_KIND(uval);
+        udata = __Pyx_PyUnicode_DATA(uval);
+        if (!CYTHON_PEP393_ENABLED || ukind == result_ukind) {
+            memcpy((char *)result_udata + (char_pos << kind_shift), udata, (size_t) (ulength << kind_shift));
         } else {
-            int result = memcmp(data1, data2, (size_t)(length * kind));
-            #if PY_MAJOR_VERSION < 3
-            Py_XDECREF(owned_ref);
+            #if PY_VERSION_HEX >= 0x030d0000
+            if (unlikely(PyUnicode_CopyCharacters(result_uval, char_pos, uval, 0, ulength) < 0)) goto bad;
+            #elif CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030300F0 || defined(_PyUnicode_FastCopyCharacters)
+            _PyUnicode_FastCopyCharacters(result_uval, char_pos, uval, 0, ulength);
+            #else
+            Py_ssize_t j;
+            for (j=0; j < ulength; j++) {
+                Py_UCS4 uchar = __Pyx_PyUnicode_READ(ukind, udata, j);
+                __Pyx_PyUnicode_WRITE(result_ukind, result_udata, char_pos+j, uchar);
+            }
             #endif
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
         }
-    } else if ((s1 == Py_None) & s2_is_unicode) {
-        goto return_ne;
-    } else if ((s2 == Py_None) & s1_is_unicode) {
-        goto return_ne;
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        #if PY_MAJOR_VERSION < 3
-        Py_XDECREF(owned_ref);
-        #endif
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
+        char_pos += ulength;
     }
-return_eq:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_EQ);
-return_ne:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_NE);
+    return result_uval;
+overflow:
+    PyErr_SetString(PyExc_OverflowError, "join() result is too long for a Python string");
+bad:
+    Py_DECREF(result_uval);
+    return NULL;
+#else
+    CYTHON_UNUSED_VAR(max_char);
+    CYTHON_UNUSED_VAR(result_ulength);
+    CYTHON_UNUSED_VAR(value_count);
+    return PyUnicode_Join(__pyx_empty_unicode, value_tuple);
 #endif
 }
 
-/* None */
-static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t a, Py_ssize_t b) {
-    Py_ssize_t q = a / b;
-    Py_ssize_t r = a - q*b;
-    q -= ((r != 0) & ((r ^ b) < 0));
-    return q;
-}
-
 /* GetAttr */
 static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) {
 #if CYTHON_USE_TYPE_SLOTS
@@ -17954,7 +21422,7 @@ static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) {
 /* GetItemInt */
 static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
     PyObject *r;
-    if (!j) return NULL;
+    if (unlikely(!j)) return NULL;
     r = PyObject_GetItem(o, j);
     Py_DECREF(j);
     return r;
@@ -18015,10 +21483,18 @@ static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
             return r;
         }
     } else {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_item)) {
-            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-                Py_ssize_t l = m->sq_length(o);
+        PyMappingMethods *mm = Py_TYPE(o)->tp_as_mapping;
+        PySequenceMethods *sm = Py_TYPE(o)->tp_as_sequence;
+        if (mm && mm->mp_subscript) {
+            PyObject *r, *key = PyInt_FromSsize_t(i);
+            if (unlikely(!key)) return NULL;
+            r = mm->mp_subscript(o, key);
+            Py_DECREF(key);
+            return r;
+        }
+        if (likely(sm && sm->sq_item)) {
+            if (wraparound && unlikely(i < 0) && likely(sm->sq_length)) {
+                Py_ssize_t l = sm->sq_length(o);
                 if (likely(l >= 0)) {
                     i += l;
                 } else {
@@ -18027,105 +21503,157 @@ static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
                     PyErr_Clear();
                 }
             }
-            return m->sq_item(o, i);
+            return sm->sq_item(o, i);
         }
     }
 #else
-    if (is_list || PySequence_Check(o)) {
+    if (is_list || !PyMapping_Check(o)) {
         return PySequence_GetItem(o, i);
     }
 #endif
     return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
 }
 
+/* PyObjectCallOneArg */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
+    PyObject *args[2] = {NULL, arg};
+    return __Pyx_PyObject_FastCall(func, args+1, 1 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET);
+}
+
 /* ObjectGetItem */
 #if CYTHON_USE_TYPE_SLOTS
-static PyObject *__Pyx_PyObject_GetIndex(PyObject *obj, PyObject* index) {
-    PyObject *runerr;
+static PyObject *__Pyx_PyObject_GetIndex(PyObject *obj, PyObject *index) {
+    PyObject *runerr = NULL;
     Py_ssize_t key_value;
-    PySequenceMethods *m = Py_TYPE(obj)->tp_as_sequence;
-    if (unlikely(!(m && m->sq_item))) {
-        PyErr_Format(PyExc_TypeError, "'%.200s' object is not subscriptable", Py_TYPE(obj)->tp_name);
-        return NULL;
-    }
     key_value = __Pyx_PyIndex_AsSsize_t(index);
     if (likely(key_value != -1 || !(runerr = PyErr_Occurred()))) {
         return __Pyx_GetItemInt_Fast(obj, key_value, 0, 1, 1);
     }
     if (PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) {
+        __Pyx_TypeName index_type_name = __Pyx_PyType_GetName(Py_TYPE(index));
         PyErr_Clear();
-        PyErr_Format(PyExc_IndexError, "cannot fit '%.200s' into an index-sized integer", Py_TYPE(index)->tp_name);
+        PyErr_Format(PyExc_IndexError,
+            "cannot fit '" __Pyx_FMT_TYPENAME "' into an index-sized integer", index_type_name);
+        __Pyx_DECREF_TypeName(index_type_name);
+    }
+    return NULL;
+}
+static PyObject *__Pyx_PyObject_GetItem_Slow(PyObject *obj, PyObject *key) {
+    __Pyx_TypeName obj_type_name;
+    if (likely(PyType_Check(obj))) {
+        PyObject *meth = __Pyx_PyObject_GetAttrStrNoError(obj, __pyx_n_s_class_getitem);
+        if (!meth) {
+            PyErr_Clear();
+        } else {
+            PyObject *result = __Pyx_PyObject_CallOneArg(meth, key);
+            Py_DECREF(meth);
+            return result;
+        }
     }
+    obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    PyErr_Format(PyExc_TypeError,
+        "'" __Pyx_FMT_TYPENAME "' object is not subscriptable", obj_type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
     return NULL;
 }
-static PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key) {
-    PyMappingMethods *m = Py_TYPE(obj)->tp_as_mapping;
-    if (likely(m && m->mp_subscript)) {
-        return m->mp_subscript(obj, key);
+static PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject *key) {
+    PyTypeObject *tp = Py_TYPE(obj);
+    PyMappingMethods *mm = tp->tp_as_mapping;
+    PySequenceMethods *sm = tp->tp_as_sequence;
+    if (likely(mm && mm->mp_subscript)) {
+        return mm->mp_subscript(obj, key);
+    }
+    if (likely(sm && sm->sq_item)) {
+        return __Pyx_PyObject_GetIndex(obj, key);
     }
-    return __Pyx_PyObject_GetIndex(obj, key);
+    return __Pyx_PyObject_GetItem_Slow(obj, key);
 }
 #endif
 
-/* decode_c_string */
-static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
-         const char* cstring, Py_ssize_t start, Py_ssize_t stop,
-         const char* encoding, const char* errors,
-         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) {
-    Py_ssize_t length;
-    if (unlikely((start < 0) | (stop < 0))) {
-        size_t slen = strlen(cstring);
-        if (unlikely(slen > (size_t) PY_SSIZE_T_MAX)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "c-string too long to convert to Python");
-            return NULL;
+/* KeywordStringCheck */
+static int __Pyx_CheckKeywordStrings(
+    PyObject *kw,
+    const char* function_name,
+    int kw_allowed)
+{
+    PyObject* key = 0;
+    Py_ssize_t pos = 0;
+#if CYTHON_COMPILING_IN_PYPY
+    if (!kw_allowed && PyDict_Next(kw, &pos, &key, 0))
+        goto invalid_keyword;
+    return 1;
+#else
+    if (CYTHON_METH_FASTCALL && likely(PyTuple_Check(kw))) {
+        Py_ssize_t kwsize;
+#if CYTHON_ASSUME_SAFE_MACROS
+        kwsize = PyTuple_GET_SIZE(kw);
+#else
+        kwsize = PyTuple_Size(kw);
+        if (kwsize < 0) return 0;
+#endif
+        if (unlikely(kwsize == 0))
+            return 1;
+        if (!kw_allowed) {
+#if CYTHON_ASSUME_SAFE_MACROS
+            key = PyTuple_GET_ITEM(kw, 0);
+#else
+            key = PyTuple_GetItem(kw, pos);
+            if (!key) return 0;
+#endif
+            goto invalid_keyword;
         }
-        length = (Py_ssize_t) slen;
-        if (start < 0) {
-            start += length;
-            if (start < 0)
-                start = 0;
+#if PY_VERSION_HEX < 0x03090000
+        for (pos = 0; pos < kwsize; pos++) {
+#if CYTHON_ASSUME_SAFE_MACROS
+            key = PyTuple_GET_ITEM(kw, pos);
+#else
+            key = PyTuple_GetItem(kw, pos);
+            if (!key) return 0;
+#endif
+            if (unlikely(!PyUnicode_Check(key)))
+                goto invalid_keyword_type;
         }
-        if (stop < 0)
-            stop += length;
-    }
-    if (unlikely(stop <= start))
-        return __Pyx_NewRef(__pyx_empty_unicode);
-    length = stop - start;
-    cstring += start;
-    if (decode_func) {
-        return decode_func(cstring, length, errors);
-    } else {
-        return PyUnicode_Decode(cstring, length, encoding, errors);
+#endif
+        return 1;
     }
-}
-
-/* PyErrExceptionMatches */
-#if CYTHON_FAST_THREAD_STATE
-static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
-    Py_ssize_t i, n;
-    n = PyTuple_GET_SIZE(tuple);
-#if PY_MAJOR_VERSION >= 3
-    for (i=0; i<n; i++) {
-        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
+    while (PyDict_Next(kw, &pos, &key, 0)) {
+        #if PY_MAJOR_VERSION < 3
+        if (unlikely(!PyString_Check(key)))
+        #endif
+            if (unlikely(!PyUnicode_Check(key)))
+                goto invalid_keyword_type;
     }
+    if (!kw_allowed && unlikely(key))
+        goto invalid_keyword;
+    return 1;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() keywords must be strings", function_name);
+    return 0;
 #endif
-    for (i=0; i<n; i++) {
-        if (__Pyx_PyErr_GivenExceptionMatches(exc_type, PyTuple_GET_ITEM(tuple, i))) return 1;
-    }
+invalid_keyword:
+    #if PY_MAJOR_VERSION < 3
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() got an unexpected keyword argument '%.200s'",
+        function_name, PyString_AsString(key));
+    #else
+    PyErr_Format(PyExc_TypeError,
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
     return 0;
 }
-static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err) {
-    PyObject *exc_type = tstate->curexc_type;
-    if (exc_type == err) return 1;
-    if (unlikely(!exc_type)) return 0;
-    if (unlikely(PyTuple_Check(err)))
-        return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err);
-    return __Pyx_PyErr_GivenExceptionMatches(exc_type, err);
+
+/* DivInt[Py_ssize_t] */
+static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t a, Py_ssize_t b) {
+    Py_ssize_t q = a / b;
+    Py_ssize_t r = a - q*b;
+    q -= ((r != 0) & ((r ^ b) < 0));
+    return q;
 }
-#endif
 
 /* GetAttr3 */
+#if __PYX_LIMITED_VERSION_HEX < 0x030d00A1
 static PyObject *__Pyx_GetAttr3Default(PyObject *d) {
     __Pyx_PyThreadState_declare
     __Pyx_PyThreadState_assign
@@ -18135,9 +21663,25 @@ static PyObject *__Pyx_GetAttr3Default(PyObject *d) {
     Py_INCREF(d);
     return d;
 }
+#endif
 static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) {
-    PyObject *r = __Pyx_GetAttr(o, n);
+    PyObject *r;
+#if __PYX_LIMITED_VERSION_HEX >= 0x030d00A1
+    int res = PyObject_GetOptionalAttr(o, n, &r);
+    return (res != 0) ? r : __Pyx_NewRef(d);
+#else
+  #if CYTHON_USE_TYPE_SLOTS
+    if (likely(PyString_Check(n))) {
+        r = __Pyx_PyObject_GetAttrStrNoError(o, n);
+        if (unlikely(!r) && likely(!PyErr_Occurred())) {
+            r = __Pyx_NewRef(d);
+        }
+        return r;
+    }
+  #endif
+    r = PyObject_GetAttr(o, n);
     return (likely(r)) ? r : __Pyx_GetAttr3Default(d);
+#endif
 }
 
 /* PyDictVersioning */
@@ -18175,7 +21719,7 @@ static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
 {
     PyObject *result;
 #if !CYTHON_AVOID_BORROWED_REFS
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && PY_VERSION_HEX < 0x030d0000
     result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash);
     __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
     if (likely(result)) {
@@ -18183,6 +21727,14 @@ static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
     } else if (unlikely(PyErr_Occurred())) {
         return NULL;
     }
+#elif CYTHON_COMPILING_IN_LIMITED_API
+    if (unlikely(!__pyx_m)) {
+        return NULL;
+    }
+    result = PyObject_GetAttr(__pyx_m, name);
+    if (likely(result)) {
+        return result;
+    }
 #else
     result = PyDict_GetItem(__pyx_d, name);
     __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
@@ -18221,24 +21773,31 @@ static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
 
 /* ExtTypeTest */
 static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
+    __Pyx_TypeName obj_type_name;
+    __Pyx_TypeName type_name;
     if (unlikely(!type)) {
         PyErr_SetString(PyExc_SystemError, "Missing type object");
         return 0;
     }
     if (likely(__Pyx_TypeCheck(obj, type)))
         return 1;
-    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
-                 Py_TYPE(obj)->tp_name, type->tp_name);
+    obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    type_name = __Pyx_PyType_GetName(type);
+    PyErr_Format(PyExc_TypeError,
+                 "Cannot convert " __Pyx_FMT_TYPENAME " to " __Pyx_FMT_TYPENAME,
+                 obj_type_name, type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
+    __Pyx_DECREF_TypeName(type_name);
     return 0;
 }
 
 /* GetTopmostException */
-#if CYTHON_USE_EXC_INFO_STACK
+#if CYTHON_USE_EXC_INFO_STACK && CYTHON_FAST_THREAD_STATE
 static _PyErr_StackItem *
 __Pyx_PyErr_GetTopmostException(PyThreadState *tstate)
 {
     _PyErr_StackItem *exc_info = tstate->exc_info;
-    while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) &&
+    while ((exc_info->exc_value == NULL || exc_info->exc_value == Py_None) &&
            exc_info->previous_item != NULL)
     {
         exc_info = exc_info->previous_item;
@@ -18250,21 +21809,46 @@ __Pyx_PyErr_GetTopmostException(PyThreadState *tstate)
 /* SaveResetException */
 #if CYTHON_FAST_THREAD_STATE
 static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    #if CYTHON_USE_EXC_INFO_STACK
+  #if CYTHON_USE_EXC_INFO_STACK && PY_VERSION_HEX >= 0x030B00a4
     _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
-    *type = exc_info->exc_type;
+    PyObject *exc_value = exc_info->exc_value;
+    if (exc_value == NULL || exc_value == Py_None) {
+        *value = NULL;
+        *type = NULL;
+        *tb = NULL;
+    } else {
+        *value = exc_value;
+        Py_INCREF(*value);
+        *type = (PyObject*) Py_TYPE(exc_value);
+        Py_INCREF(*type);
+        *tb = PyException_GetTraceback(exc_value);
+    }
+  #elif CYTHON_USE_EXC_INFO_STACK
+    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
+    *type = exc_info->exc_type;
     *value = exc_info->exc_value;
     *tb = exc_info->exc_traceback;
-    #else
+    Py_XINCREF(*type);
+    Py_XINCREF(*value);
+    Py_XINCREF(*tb);
+  #else
     *type = tstate->exc_type;
     *value = tstate->exc_value;
     *tb = tstate->exc_traceback;
-    #endif
     Py_XINCREF(*type);
     Py_XINCREF(*value);
     Py_XINCREF(*tb);
+  #endif
 }
 static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
+  #if CYTHON_USE_EXC_INFO_STACK && PY_VERSION_HEX >= 0x030B00a4
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    PyObject *tmp_value = exc_info->exc_value;
+    exc_info->exc_value = value;
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+  #else
     PyObject *tmp_type, *tmp_value, *tmp_tb;
     #if CYTHON_USE_EXC_INFO_STACK
     _PyErr_StackItem *exc_info = tstate->exc_info;
@@ -18285,6 +21869,7 @@ static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject
     Py_XDECREF(tmp_type);
     Py_XDECREF(tmp_value);
     Py_XDECREF(tmp_tb);
+  #endif
 }
 #endif
 
@@ -18295,20 +21880,32 @@ static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject
 static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
 #endif
 {
-    PyObject *local_type, *local_value, *local_tb;
+    PyObject *local_type = NULL, *local_value, *local_tb = NULL;
 #if CYTHON_FAST_THREAD_STATE
     PyObject *tmp_type, *tmp_value, *tmp_tb;
+  #if PY_VERSION_HEX >= 0x030C00A6
+    local_value = tstate->current_exception;
+    tstate->current_exception = 0;
+    if (likely(local_value)) {
+        local_type = (PyObject*) Py_TYPE(local_value);
+        Py_INCREF(local_type);
+        local_tb = PyException_GetTraceback(local_value);
+    }
+  #else
     local_type = tstate->curexc_type;
     local_value = tstate->curexc_value;
     local_tb = tstate->curexc_traceback;
     tstate->curexc_type = 0;
     tstate->curexc_value = 0;
     tstate->curexc_traceback = 0;
+  #endif
 #else
     PyErr_Fetch(&local_type, &local_value, &local_tb);
 #endif
     PyErr_NormalizeException(&local_type, &local_value, &local_tb);
-#if CYTHON_FAST_THREAD_STATE
+#if CYTHON_FAST_THREAD_STATE && PY_VERSION_HEX >= 0x030C00A6
+    if (unlikely(tstate->current_exception))
+#elif CYTHON_FAST_THREAD_STATE
     if (unlikely(tstate->curexc_type))
 #else
     if (unlikely(PyErr_Occurred()))
@@ -18330,12 +21927,21 @@ static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
     #if CYTHON_USE_EXC_INFO_STACK
     {
         _PyErr_StackItem *exc_info = tstate->exc_info;
+      #if PY_VERSION_HEX >= 0x030B00a4
+        tmp_value = exc_info->exc_value;
+        exc_info->exc_value = local_value;
+        tmp_type = NULL;
+        tmp_tb = NULL;
+        Py_XDECREF(local_type);
+        Py_XDECREF(local_tb);
+      #else
         tmp_type = exc_info->exc_type;
         tmp_value = exc_info->exc_value;
         tmp_tb = exc_info->exc_traceback;
         exc_info->exc_type = local_type;
         exc_info->exc_value = local_value;
         exc_info->exc_traceback = local_tb;
+      #endif
     }
     #else
     tmp_type = tstate->exc_type;
@@ -18366,7 +21972,26 @@ bad:
 #if CYTHON_FAST_THREAD_STATE
 static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
     PyObject *tmp_type, *tmp_value, *tmp_tb;
-    #if CYTHON_USE_EXC_INFO_STACK
+  #if CYTHON_USE_EXC_INFO_STACK && PY_VERSION_HEX >= 0x030B00a4
+    _PyErr_StackItem *exc_info = tstate->exc_info;
+    tmp_value = exc_info->exc_value;
+    exc_info->exc_value = *value;
+    if (tmp_value == NULL || tmp_value == Py_None) {
+        Py_XDECREF(tmp_value);
+        tmp_value = NULL;
+        tmp_type = NULL;
+        tmp_tb = NULL;
+    } else {
+        tmp_type = (PyObject*) Py_TYPE(tmp_value);
+        Py_INCREF(tmp_type);
+        #if CYTHON_COMPILING_IN_CPYTHON
+        tmp_tb = ((PyBaseExceptionObject*) tmp_value)->traceback;
+        Py_XINCREF(tmp_tb);
+        #else
+        tmp_tb = PyException_GetTraceback(tmp_value);
+        #endif
+    }
+  #elif CYTHON_USE_EXC_INFO_STACK
     _PyErr_StackItem *exc_info = tstate->exc_info;
     tmp_type = exc_info->exc_type;
     tmp_value = exc_info->exc_value;
@@ -18374,14 +21999,14 @@ static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject *
     exc_info->exc_type = *type;
     exc_info->exc_value = *value;
     exc_info->exc_traceback = *tb;
-    #else
+  #else
     tmp_type = tstate->exc_type;
     tmp_value = tstate->exc_value;
     tmp_tb = tstate->exc_traceback;
     tstate->exc_type = *type;
     tstate->exc_value = *value;
     tstate->exc_traceback = *tb;
-    #endif
+  #endif
     *type = tmp_type;
     *value = tmp_value;
     *tb = tmp_tb;
@@ -18399,39 +22024,32 @@ static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value,
 
 /* Import */
 static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
-    PyObject *empty_list = 0;
     PyObject *module = 0;
-    PyObject *global_dict = 0;
     PyObject *empty_dict = 0;
-    PyObject *list;
+    PyObject *empty_list = 0;
     #if PY_MAJOR_VERSION < 3
     PyObject *py_import;
     py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
-    if (!py_import)
+    if (unlikely(!py_import))
         goto bad;
-    #endif
-    if (from_list)
-        list = from_list;
-    else {
+    if (!from_list) {
         empty_list = PyList_New(0);
-        if (!empty_list)
+        if (unlikely(!empty_list))
             goto bad;
-        list = empty_list;
+        from_list = empty_list;
     }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
+    #endif
     empty_dict = PyDict_New();
-    if (!empty_dict)
+    if (unlikely(!empty_dict))
         goto bad;
     {
         #if PY_MAJOR_VERSION >= 3
         if (level == -1) {
-            if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) {
+            if (strchr(__Pyx_MODULE_NAME, '.') != NULL) {
                 module = PyImport_ImportModuleLevelObject(
-                    name, global_dict, empty_dict, list, 1);
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
+                    name, __pyx_d, empty_dict, from_list, 1);
+                if (unlikely(!module)) {
+                    if (unlikely(!PyErr_ExceptionMatches(PyExc_ImportError)))
                         goto bad;
                     PyErr_Clear();
                 }
@@ -18442,31 +22060,159 @@ static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
         if (!module) {
             #if PY_MAJOR_VERSION < 3
             PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
+            if (unlikely(!py_level))
                 goto bad;
             module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, (PyObject *)NULL);
+                name, __pyx_d, empty_dict, from_list, py_level, (PyObject *)NULL);
             Py_DECREF(py_level);
             #else
             module = PyImport_ImportModuleLevelObject(
-                name, global_dict, empty_dict, list, level);
+                name, __pyx_d, empty_dict, from_list, level);
             #endif
         }
     }
 bad:
+    Py_XDECREF(empty_dict);
+    Py_XDECREF(empty_list);
     #if PY_MAJOR_VERSION < 3
     Py_XDECREF(py_import);
     #endif
-    Py_XDECREF(empty_list);
-    Py_XDECREF(empty_dict);
     return module;
 }
 
+/* ImportDottedModule */
+#if PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx__ImportDottedModule_Error(PyObject *name, PyObject *parts_tuple, Py_ssize_t count) {
+    PyObject *partial_name = NULL, *slice = NULL, *sep = NULL;
+    if (unlikely(PyErr_Occurred())) {
+        PyErr_Clear();
+    }
+    if (likely(PyTuple_GET_SIZE(parts_tuple) == count)) {
+        partial_name = name;
+    } else {
+        slice = PySequence_GetSlice(parts_tuple, 0, count);
+        if (unlikely(!slice))
+            goto bad;
+        sep = PyUnicode_FromStringAndSize(".", 1);
+        if (unlikely(!sep))
+            goto bad;
+        partial_name = PyUnicode_Join(sep, slice);
+    }
+    PyErr_Format(
+#if PY_MAJOR_VERSION < 3
+        PyExc_ImportError,
+        "No module named '%s'", PyString_AS_STRING(partial_name));
+#else
+#if PY_VERSION_HEX >= 0x030600B1
+        PyExc_ModuleNotFoundError,
+#else
+        PyExc_ImportError,
+#endif
+        "No module named '%U'", partial_name);
+#endif
+bad:
+    Py_XDECREF(sep);
+    Py_XDECREF(slice);
+    Py_XDECREF(partial_name);
+    return NULL;
+}
+#endif
+#if PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx__ImportDottedModule_Lookup(PyObject *name) {
+    PyObject *imported_module;
+#if PY_VERSION_HEX < 0x030700A1 || (CYTHON_COMPILING_IN_PYPY && PYPY_VERSION_NUM  < 0x07030400)
+    PyObject *modules = PyImport_GetModuleDict();
+    if (unlikely(!modules))
+        return NULL;
+    imported_module = __Pyx_PyDict_GetItemStr(modules, name);
+    Py_XINCREF(imported_module);
+#else
+    imported_module = PyImport_GetModule(name);
+#endif
+    return imported_module;
+}
+#endif
+#if PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx_ImportDottedModule_WalkParts(PyObject *module, PyObject *name, PyObject *parts_tuple) {
+    Py_ssize_t i, nparts;
+    nparts = PyTuple_GET_SIZE(parts_tuple);
+    for (i=1; i < nparts && module; i++) {
+        PyObject *part, *submodule;
+#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+        part = PyTuple_GET_ITEM(parts_tuple, i);
+#else
+        part = PySequence_ITEM(parts_tuple, i);
+#endif
+        submodule = __Pyx_PyObject_GetAttrStrNoError(module, part);
+#if !(CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
+        Py_DECREF(part);
+#endif
+        Py_DECREF(module);
+        module = submodule;
+    }
+    if (unlikely(!module)) {
+        return __Pyx__ImportDottedModule_Error(name, parts_tuple, i);
+    }
+    return module;
+}
+#endif
+static PyObject *__Pyx__ImportDottedModule(PyObject *name, PyObject *parts_tuple) {
+#if PY_MAJOR_VERSION < 3
+    PyObject *module, *from_list, *star = __pyx_n_s__3;
+    CYTHON_UNUSED_VAR(parts_tuple);
+    from_list = PyList_New(1);
+    if (unlikely(!from_list))
+        return NULL;
+    Py_INCREF(star);
+    PyList_SET_ITEM(from_list, 0, star);
+    module = __Pyx_Import(name, from_list, 0);
+    Py_DECREF(from_list);
+    return module;
+#else
+    PyObject *imported_module;
+    PyObject *module = __Pyx_Import(name, NULL, 0);
+    if (!parts_tuple || unlikely(!module))
+        return module;
+    imported_module = __Pyx__ImportDottedModule_Lookup(name);
+    if (likely(imported_module)) {
+        Py_DECREF(module);
+        return imported_module;
+    }
+    PyErr_Clear();
+    return __Pyx_ImportDottedModule_WalkParts(module, name, parts_tuple);
+#endif
+}
+static PyObject *__Pyx_ImportDottedModule(PyObject *name, PyObject *parts_tuple) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030400B1
+    PyObject *module = __Pyx__ImportDottedModule_Lookup(name);
+    if (likely(module)) {
+        PyObject *spec = __Pyx_PyObject_GetAttrStrNoError(module, __pyx_n_s_spec);
+        if (likely(spec)) {
+            PyObject *unsafe = __Pyx_PyObject_GetAttrStrNoError(spec, __pyx_n_s_initializing);
+            if (likely(!unsafe || !__Pyx_PyObject_IsTrue(unsafe))) {
+                Py_DECREF(spec);
+                spec = NULL;
+            }
+            Py_XDECREF(unsafe);
+        }
+        if (likely(!spec)) {
+            PyErr_Clear();
+            return module;
+        }
+        Py_DECREF(spec);
+        Py_DECREF(module);
+    } else if (PyErr_Occurred()) {
+        PyErr_Clear();
+    }
+#endif
+    return __Pyx__ImportDottedModule(name, parts_tuple);
+}
+
 /* FastTypeChecks */
 #if CYTHON_COMPILING_IN_CPYTHON
 static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
     while (a) {
-        a = a->tp_base;
+        a = __Pyx_PyType_GetSlot(a, tp_base, PyTypeObject*);
         if (a == b)
             return 1;
     }
@@ -18487,6 +22233,22 @@ static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
     }
     return __Pyx_InBases(a, b);
 }
+static CYTHON_INLINE int __Pyx_IsAnySubtype2(PyTypeObject *cls, PyTypeObject *a, PyTypeObject *b) {
+    PyObject *mro;
+    if (cls == a || cls == b) return 1;
+    mro = cls->tp_mro;
+    if (likely(mro)) {
+        Py_ssize_t i, n;
+        n = PyTuple_GET_SIZE(mro);
+        for (i = 0; i < n; i++) {
+            PyObject *base = PyTuple_GET_ITEM(mro, i);
+            if (base == (PyObject *)a || base == (PyObject *)b)
+                return 1;
+        }
+        return 0;
+    }
+    return __Pyx_InBases(cls, a) || __Pyx_InBases(cls, b);
+}
 #if PY_MAJOR_VERSION == 2
 static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) {
     PyObject *exception, *value, *tb;
@@ -18511,11 +22273,11 @@ static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc
 }
 #else
 static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
-    int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0;
-    if (!res) {
-        res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
+    if (exc_type1) {
+        return __Pyx_IsAnySubtype2((PyTypeObject*)err, (PyTypeObject*)exc_type1, (PyTypeObject*)exc_type2);
+    } else {
+        return __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
     }
-    return res;
 }
 #endif
 static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
@@ -18562,136 +22324,87 @@ static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObj
 }
 #endif
 
-/* PyIntBinop */
-#if !CYTHON_COMPILING_IN_PYPY
-static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) {
-    (void)inplace;
-    (void)zerodivision_check;
-    #if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_CheckExact(op1))) {
-        const long b = intval;
-        long x;
-        long a = PyInt_AS_LONG(op1);
-            x = (long)((unsigned long)a + b);
-            if (likely((x^a) >= 0 || (x^b) >= 0))
-                return PyInt_FromLong(x);
-            return PyLong_Type.tp_as_number->nb_add(op1, op2);
-    }
-    #endif
-    #if CYTHON_USE_PYLONG_INTERNALS
-    if (likely(PyLong_CheckExact(op1))) {
-        const long b = intval;
-        long a, x;
-#ifdef HAVE_LONG_LONG
-        const PY_LONG_LONG llb = intval;
-        PY_LONG_LONG lla, llx;
-#endif
-        const digit* digits = ((PyLongObject*)op1)->ob_digit;
-        const Py_ssize_t size = Py_SIZE(op1);
-        if (likely(__Pyx_sst_abs(size) <= 1)) {
-            a = likely(size) ? digits[0] : 0;
-            if (size == -1) a = -a;
-        } else {
-            switch (size) {
-                case -2:
-                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                        a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
-                        lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
-#endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case 2:
-                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                        a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
-                        lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
-#endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case -3:
-                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                        a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
-                        lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
-#endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case 3:
-                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                        a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
-                        lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
-#endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case -4:
-                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                        a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
-                        lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
-#endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                case 4:
-                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                        a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
-                        break;
-#ifdef HAVE_LONG_LONG
-                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
-                        lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
-                        goto long_long;
+/* PySequenceMultiply */
+static PyObject* __Pyx_PySequence_Multiply_Generic(PyObject *seq, Py_ssize_t mul) {
+    PyObject *result, *pymul = PyInt_FromSsize_t(mul);
+    if (unlikely(!pymul))
+        return NULL;
+    result = PyNumber_Multiply(seq, pymul);
+    Py_DECREF(pymul);
+    return result;
+}
+static CYTHON_INLINE PyObject* __Pyx_PySequence_Multiply(PyObject *seq, Py_ssize_t mul) {
+#if CYTHON_USE_TYPE_SLOTS
+    PyTypeObject *type = Py_TYPE(seq);
+    if (likely(type->tp_as_sequence && type->tp_as_sequence->sq_repeat)) {
+        return type->tp_as_sequence->sq_repeat(seq, mul);
+    } else
 #endif
-                    }
-                    CYTHON_FALLTHROUGH;
-                default: return PyLong_Type.tp_as_number->nb_add(op1, op2);
+    {
+        return __Pyx_PySequence_Multiply_Generic(seq, mul);
+    }
+}
+
+/* SetItemInt */
+static int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v) {
+    int r;
+    if (unlikely(!j)) return -1;
+    r = PyObject_SetItem(o, j, v);
+    Py_DECREF(j);
+    return r;
+}
+static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v, int is_list,
+                                               CYTHON_NCP_UNUSED int wraparound, CYTHON_NCP_UNUSED int boundscheck) {
+#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
+    if (is_list || PyList_CheckExact(o)) {
+        Py_ssize_t n = (!wraparound) ? i : ((likely(i >= 0)) ? i : i + PyList_GET_SIZE(o));
+        if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o)))) {
+            PyObject* old = PyList_GET_ITEM(o, n);
+            Py_INCREF(v);
+            PyList_SET_ITEM(o, n, v);
+            Py_DECREF(old);
+            return 1;
+        }
+    } else {
+        PyMappingMethods *mm = Py_TYPE(o)->tp_as_mapping;
+        PySequenceMethods *sm = Py_TYPE(o)->tp_as_sequence;
+        if (mm && mm->mp_ass_subscript) {
+            int r;
+            PyObject *key = PyInt_FromSsize_t(i);
+            if (unlikely(!key)) return -1;
+            r = mm->mp_ass_subscript(o, key, v);
+            Py_DECREF(key);
+            return r;
+        }
+        if (likely(sm && sm->sq_ass_item)) {
+            if (wraparound && unlikely(i < 0) && likely(sm->sq_length)) {
+                Py_ssize_t l = sm->sq_length(o);
+                if (likely(l >= 0)) {
+                    i += l;
+                } else {
+                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
+                        return -1;
+                    PyErr_Clear();
+                }
             }
+            return sm->sq_ass_item(o, i, v);
         }
-                x = a + b;
-            return PyLong_FromLong(x);
-#ifdef HAVE_LONG_LONG
-        long_long:
-                llx = lla + llb;
-            return PyLong_FromLongLong(llx);
-#endif
-        
-        
     }
-    #endif
-    if (PyFloat_CheckExact(op1)) {
-        const long b = intval;
-        double a = PyFloat_AS_DOUBLE(op1);
-            double result;
-            PyFPE_START_PROTECT("add", return NULL)
-            result = ((double)a) + (double)b;
-            PyFPE_END_PROTECT(result)
-            return PyFloat_FromDouble(result);
+#else
+    if (is_list || !PyMapping_Check(o))
+    {
+        return PySequence_SetItem(o, i, v);
     }
-    return (inplace ? PyNumber_InPlaceAdd : PyNumber_Add)(op1, op2);
-}
 #endif
+    return __Pyx_SetItemInt_Generic(o, PyInt_FromSsize_t(i), v);
+}
 
-/* None */
+/* RaiseUnboundLocalError */
 static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) {
     PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname);
 }
 
-/* None */
+/* DivInt[long] */
 static CYTHON_INLINE long __Pyx_div_long(long a, long b) {
     long q = a / b;
     long r = a - q*b;
@@ -18703,6 +22416,35 @@ static CYTHON_INLINE long __Pyx_div_long(long a, long b) {
 static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
     PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
     if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
+        const char* module_name_str = 0;
+        PyObject* module_name = 0;
+        PyObject* module_dot = 0;
+        PyObject* full_name = 0;
+        PyErr_Clear();
+        module_name_str = PyModule_GetName(module);
+        if (unlikely(!module_name_str)) { goto modbad; }
+        module_name = PyUnicode_FromString(module_name_str);
+        if (unlikely(!module_name)) { goto modbad; }
+        module_dot = PyUnicode_Concat(module_name, __pyx_kp_u__2);
+        if (unlikely(!module_dot)) { goto modbad; }
+        full_name = PyUnicode_Concat(module_dot, name);
+        if (unlikely(!full_name)) { goto modbad; }
+        #if PY_VERSION_HEX < 0x030700A1 || (CYTHON_COMPILING_IN_PYPY && PYPY_VERSION_NUM  < 0x07030400)
+        {
+            PyObject *modules = PyImport_GetModuleDict();
+            if (unlikely(!modules))
+                goto modbad;
+            value = PyObject_GetItem(modules, full_name);
+        }
+        #else
+        value = PyImport_GetModule(full_name);
+        #endif
+      modbad:
+        Py_XDECREF(full_name);
+        Py_XDECREF(module_dot);
+        Py_XDECREF(module_name);
+    }
+    if (unlikely(!value)) {
         PyErr_Format(PyExc_ImportError,
         #if PY_MAJOR_VERSION < 3
             "cannot import name %.230s", PyString_AS_STRING(name));
@@ -18714,6 +22456,7 @@ static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
 }
 
 /* HasAttr */
+#if __PYX_LIMITED_VERSION_HEX < 0x030d00A1
 static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) {
     PyObject *r;
     if (unlikely(!__Pyx_PyBaseString_Check(n))) {
@@ -18722,7 +22465,7 @@ static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) {
         return -1;
     }
     r = __Pyx_GetAttr(o, n);
-    if (unlikely(!r)) {
+    if (!r) {
         PyErr_Clear();
         return 0;
     } else {
@@ -18730,18 +22473,21 @@ static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) {
         return 1;
     }
 }
+#endif
 
 /* PyObject_GenericGetAttrNoDict */
 #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
 static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) {
+    __Pyx_TypeName type_name = __Pyx_PyType_GetName(tp);
     PyErr_Format(PyExc_AttributeError,
 #if PY_MAJOR_VERSION >= 3
-                 "'%.50s' object has no attribute '%U'",
-                 tp->tp_name, attr_name);
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%U'",
+                 type_name, attr_name);
 #else
-                 "'%.50s' object has no attribute '%.400s'",
-                 tp->tp_name, PyString_AS_STRING(attr_name));
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%.400s'",
+                 type_name, PyString_AS_STRING(attr_name));
 #endif
+    __Pyx_DECREF_TypeName(type_name);
     return NULL;
 }
 static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) {
@@ -18781,51 +22527,466 @@ static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_nam
 }
 #endif
 
-/* SetVTable */
-static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
-#if PY_VERSION_HEX >= 0x02070000
-    PyObject *ob = PyCapsule_New(vtable, 0, 0);
+/* FixUpExtensionType */
+#if CYTHON_USE_TYPE_SPECS
+static int __Pyx_fix_up_extension_type_from_spec(PyType_Spec *spec, PyTypeObject *type) {
+#if PY_VERSION_HEX > 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    CYTHON_UNUSED_VAR(spec);
+    CYTHON_UNUSED_VAR(type);
 #else
-    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
+    const PyType_Slot *slot = spec->slots;
+    while (slot && slot->slot && slot->slot != Py_tp_members)
+        slot++;
+    if (slot && slot->slot == Py_tp_members) {
+        int changed = 0;
+#if !(PY_VERSION_HEX <= 0x030900b1 && CYTHON_COMPILING_IN_CPYTHON)
+        const
+#endif
+            PyMemberDef *memb = (PyMemberDef*) slot->pfunc;
+        while (memb && memb->name) {
+            if (memb->name[0] == '_' && memb->name[1] == '_') {
+#if PY_VERSION_HEX < 0x030900b1
+                if (strcmp(memb->name, "__weaklistoffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+                    type->tp_weaklistoffset = memb->offset;
+                    changed = 1;
+                }
+                else if (strcmp(memb->name, "__dictoffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+                    type->tp_dictoffset = memb->offset;
+                    changed = 1;
+                }
+#if CYTHON_METH_FASTCALL
+                else if (strcmp(memb->name, "__vectorcalloffset__") == 0) {
+                    assert(memb->type == T_PYSSIZET);
+                    assert(memb->flags == READONLY);
+#if PY_VERSION_HEX >= 0x030800b4
+                    type->tp_vectorcall_offset = memb->offset;
+#else
+                    type->tp_print = (printfunc) memb->offset;
+#endif
+                    changed = 1;
+                }
+#endif
+#else
+                if ((0));
+#endif
+#if PY_VERSION_HEX <= 0x030900b1 && CYTHON_COMPILING_IN_CPYTHON
+                else if (strcmp(memb->name, "__module__") == 0) {
+                    PyObject *descr;
+                    assert(memb->type == T_OBJECT);
+                    assert(memb->flags == 0 || memb->flags == READONLY);
+                    descr = PyDescr_NewMember(type, memb);
+                    if (unlikely(!descr))
+                        return -1;
+                    if (unlikely(PyDict_SetItem(type->tp_dict, PyDescr_NAME(descr), descr) < 0)) {
+                        Py_DECREF(descr);
+                        return -1;
+                    }
+                    Py_DECREF(descr);
+                    changed = 1;
+                }
+#endif
+            }
+            memb++;
+        }
+        if (changed)
+            PyType_Modified(type);
+    }
 #endif
-    if (!ob)
-        goto bad;
-    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
-        goto bad;
-    Py_DECREF(ob);
     return 0;
-bad:
-    Py_XDECREF(ob);
-    return -1;
 }
+#endif
 
-/* PyObjectGetAttrStrNoError */
-static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) {
-    __Pyx_PyThreadState_declare
-    __Pyx_PyThreadState_assign
-    if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
-        __Pyx_PyErr_Clear();
+/* PyObjectCallNoArg */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
+    PyObject *arg[2] = {NULL, NULL};
+    return __Pyx_PyObject_FastCall(func, arg + 1, 0 | __Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET);
 }
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) {
-    PyObject *result;
-#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1
-    PyTypeObject* tp = Py_TYPE(obj);
-    if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) {
-        return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1);
+
+/* PyObjectGetMethod */
+static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method) {
+    PyObject *attr;
+#if CYTHON_UNPACK_METHODS && CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_PYTYPE_LOOKUP
+    __Pyx_TypeName type_name;
+    PyTypeObject *tp = Py_TYPE(obj);
+    PyObject *descr;
+    descrgetfunc f = NULL;
+    PyObject **dictptr, *dict;
+    int meth_found = 0;
+    assert (*method == NULL);
+    if (unlikely(tp->tp_getattro != PyObject_GenericGetAttr)) {
+        attr = __Pyx_PyObject_GetAttrStr(obj, name);
+        goto try_unpack;
+    }
+    if (unlikely(tp->tp_dict == NULL) && unlikely(PyType_Ready(tp) < 0)) {
+        return 0;
     }
+    descr = _PyType_Lookup(tp, name);
+    if (likely(descr != NULL)) {
+        Py_INCREF(descr);
+#if defined(Py_TPFLAGS_METHOD_DESCRIPTOR) && Py_TPFLAGS_METHOD_DESCRIPTOR
+        if (__Pyx_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR))
+#elif PY_MAJOR_VERSION >= 3
+        #ifdef __Pyx_CyFunction_USED
+        if (likely(PyFunction_Check(descr) || __Pyx_IS_TYPE(descr, &PyMethodDescr_Type) || __Pyx_CyFunction_Check(descr)))
+        #else
+        if (likely(PyFunction_Check(descr) || __Pyx_IS_TYPE(descr, &PyMethodDescr_Type)))
+        #endif
+#else
+        #ifdef __Pyx_CyFunction_USED
+        if (likely(PyFunction_Check(descr) || __Pyx_CyFunction_Check(descr)))
+        #else
+        if (likely(PyFunction_Check(descr)))
+        #endif
 #endif
-    result = __Pyx_PyObject_GetAttrStr(obj, attr_name);
-    if (unlikely(!result)) {
-        __Pyx_PyObject_GetAttrStr_ClearAttributeError();
+        {
+            meth_found = 1;
+        } else {
+            f = Py_TYPE(descr)->tp_descr_get;
+            if (f != NULL && PyDescr_IsData(descr)) {
+                attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
+                Py_DECREF(descr);
+                goto try_unpack;
+            }
+        }
+    }
+    dictptr = _PyObject_GetDictPtr(obj);
+    if (dictptr != NULL && (dict = *dictptr) != NULL) {
+        Py_INCREF(dict);
+        attr = __Pyx_PyDict_GetItemStr(dict, name);
+        if (attr != NULL) {
+            Py_INCREF(attr);
+            Py_DECREF(dict);
+            Py_XDECREF(descr);
+            goto try_unpack;
+        }
+        Py_DECREF(dict);
+    }
+    if (meth_found) {
+        *method = descr;
+        return 1;
+    }
+    if (f != NULL) {
+        attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
+        Py_DECREF(descr);
+        goto try_unpack;
+    }
+    if (likely(descr != NULL)) {
+        *method = descr;
+        return 0;
+    }
+    type_name = __Pyx_PyType_GetName(tp);
+    PyErr_Format(PyExc_AttributeError,
+#if PY_MAJOR_VERSION >= 3
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%U'",
+                 type_name, name);
+#else
+                 "'" __Pyx_FMT_TYPENAME "' object has no attribute '%.400s'",
+                 type_name, PyString_AS_STRING(name));
+#endif
+    __Pyx_DECREF_TypeName(type_name);
+    return 0;
+#else
+    attr = __Pyx_PyObject_GetAttrStr(obj, name);
+    goto try_unpack;
+#endif
+try_unpack:
+#if CYTHON_UNPACK_METHODS
+    if (likely(attr) && PyMethod_Check(attr) && likely(PyMethod_GET_SELF(attr) == obj)) {
+        PyObject *function = PyMethod_GET_FUNCTION(attr);
+        Py_INCREF(function);
+        Py_DECREF(attr);
+        *method = function;
+        return 1;
+    }
+#endif
+    *method = attr;
+    return 0;
+}
+
+/* PyObjectCallMethod0 */
+static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name) {
+    PyObject *method = NULL, *result = NULL;
+    int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method);
+    if (likely(is_method)) {
+        result = __Pyx_PyObject_CallOneArg(method, obj);
+        Py_DECREF(method);
+        return result;
     }
+    if (unlikely(!method)) goto bad;
+    result = __Pyx_PyObject_CallNoArg(method);
+    Py_DECREF(method);
+bad:
     return result;
 }
 
-/* SetupReduce */
-static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
-  int ret;
-  PyObject *name_attr;
-  name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name_2);
+/* ValidateBasesTuple */
+#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_USE_TYPE_SPECS
+static int __Pyx_validate_bases_tuple(const char *type_name, Py_ssize_t dictoffset, PyObject *bases) {
+    Py_ssize_t i, n;
+#if CYTHON_ASSUME_SAFE_MACROS
+    n = PyTuple_GET_SIZE(bases);
+#else
+    n = PyTuple_Size(bases);
+    if (n < 0) return -1;
+#endif
+    for (i = 1; i < n; i++)
+    {
+#if CYTHON_AVOID_BORROWED_REFS
+        PyObject *b0 = PySequence_GetItem(bases, i);
+        if (!b0) return -1;
+#elif CYTHON_ASSUME_SAFE_MACROS
+        PyObject *b0 = PyTuple_GET_ITEM(bases, i);
+#else
+        PyObject *b0 = PyTuple_GetItem(bases, i);
+        if (!b0) return -1;
+#endif
+        PyTypeObject *b;
+#if PY_MAJOR_VERSION < 3
+        if (PyClass_Check(b0))
+        {
+            PyErr_Format(PyExc_TypeError, "base class '%.200s' is an old-style class",
+                         PyString_AS_STRING(((PyClassObject*)b0)->cl_name));
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_DECREF(b0);
+#endif
+            return -1;
+        }
+#endif
+        b = (PyTypeObject*) b0;
+        if (!__Pyx_PyType_HasFeature(b, Py_TPFLAGS_HEAPTYPE))
+        {
+            __Pyx_TypeName b_name = __Pyx_PyType_GetName(b);
+            PyErr_Format(PyExc_TypeError,
+                "base class '" __Pyx_FMT_TYPENAME "' is not a heap type", b_name);
+            __Pyx_DECREF_TypeName(b_name);
+#if CYTHON_AVOID_BORROWED_REFS
+            Py_DECREF(b0);
+#endif
+            return -1;
+        }
+        if (dictoffset == 0)
+        {
+            Py_ssize_t b_dictoffset = 0;
+#if CYTHON_USE_TYPE_SLOTS || CYTHON_COMPILING_IN_PYPY
+            b_dictoffset = b->tp_dictoffset;
+#else
+            PyObject *py_b_dictoffset = PyObject_GetAttrString((PyObject*)b, "__dictoffset__");
+            if (!py_b_dictoffset) goto dictoffset_return;
+            b_dictoffset = PyLong_AsSsize_t(py_b_dictoffset);
+            Py_DECREF(py_b_dictoffset);
+            if (b_dictoffset == -1 && PyErr_Occurred()) goto dictoffset_return;
+#endif
+            if (b_dictoffset) {
+                {
+                    __Pyx_TypeName b_name = __Pyx_PyType_GetName(b);
+                    PyErr_Format(PyExc_TypeError,
+                        "extension type '%.200s' has no __dict__ slot, "
+                        "but base type '" __Pyx_FMT_TYPENAME "' has: "
+                        "either add 'cdef dict __dict__' to the extension type "
+                        "or add '__slots__ = [...]' to the base type",
+                        type_name, b_name);
+                    __Pyx_DECREF_TypeName(b_name);
+                }
+#if !(CYTHON_USE_TYPE_SLOTS || CYTHON_COMPILING_IN_PYPY)
+              dictoffset_return:
+#endif
+#if CYTHON_AVOID_BORROWED_REFS
+                Py_DECREF(b0);
+#endif
+                return -1;
+            }
+        }
+#if CYTHON_AVOID_BORROWED_REFS
+        Py_DECREF(b0);
+#endif
+    }
+    return 0;
+}
+#endif
+
+/* PyType_Ready */
+static int __Pyx_PyType_Ready(PyTypeObject *t) {
+#if CYTHON_USE_TYPE_SPECS || !(CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API) || defined(PYSTON_MAJOR_VERSION)
+    (void)__Pyx_PyObject_CallMethod0;
+#if CYTHON_USE_TYPE_SPECS
+    (void)__Pyx_validate_bases_tuple;
+#endif
+    return PyType_Ready(t);
+#else
+    int r;
+    PyObject *bases = __Pyx_PyType_GetSlot(t, tp_bases, PyObject*);
+    if (bases && unlikely(__Pyx_validate_bases_tuple(t->tp_name, t->tp_dictoffset, bases) == -1))
+        return -1;
+#if PY_VERSION_HEX >= 0x03050000 && !defined(PYSTON_MAJOR_VERSION)
+    {
+        int gc_was_enabled;
+    #if PY_VERSION_HEX >= 0x030A00b1
+        gc_was_enabled = PyGC_Disable();
+        (void)__Pyx_PyObject_CallMethod0;
+    #else
+        PyObject *ret, *py_status;
+        PyObject *gc = NULL;
+        #if PY_VERSION_HEX >= 0x030700a1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM+0 >= 0x07030400)
+        gc = PyImport_GetModule(__pyx_kp_u_gc);
+        #endif
+        if (unlikely(!gc)) gc = PyImport_Import(__pyx_kp_u_gc);
+        if (unlikely(!gc)) return -1;
+        py_status = __Pyx_PyObject_CallMethod0(gc, __pyx_kp_u_isenabled);
+        if (unlikely(!py_status)) {
+            Py_DECREF(gc);
+            return -1;
+        }
+        gc_was_enabled = __Pyx_PyObject_IsTrue(py_status);
+        Py_DECREF(py_status);
+        if (gc_was_enabled > 0) {
+            ret = __Pyx_PyObject_CallMethod0(gc, __pyx_kp_u_disable);
+            if (unlikely(!ret)) {
+                Py_DECREF(gc);
+                return -1;
+            }
+            Py_DECREF(ret);
+        } else if (unlikely(gc_was_enabled == -1)) {
+            Py_DECREF(gc);
+            return -1;
+        }
+    #endif
+        t->tp_flags |= Py_TPFLAGS_HEAPTYPE;
+#if PY_VERSION_HEX >= 0x030A0000
+        t->tp_flags |= Py_TPFLAGS_IMMUTABLETYPE;
+#endif
+#else
+        (void)__Pyx_PyObject_CallMethod0;
+#endif
+    r = PyType_Ready(t);
+#if PY_VERSION_HEX >= 0x03050000 && !defined(PYSTON_MAJOR_VERSION)
+        t->tp_flags &= ~Py_TPFLAGS_HEAPTYPE;
+    #if PY_VERSION_HEX >= 0x030A00b1
+        if (gc_was_enabled)
+            PyGC_Enable();
+    #else
+        if (gc_was_enabled) {
+            PyObject *tp, *v, *tb;
+            PyErr_Fetch(&tp, &v, &tb);
+            ret = __Pyx_PyObject_CallMethod0(gc, __pyx_kp_u_enable);
+            if (likely(ret || r == -1)) {
+                Py_XDECREF(ret);
+                PyErr_Restore(tp, v, tb);
+            } else {
+                Py_XDECREF(tp);
+                Py_XDECREF(v);
+                Py_XDECREF(tb);
+                r = -1;
+            }
+        }
+        Py_DECREF(gc);
+    #endif
+    }
+#endif
+    return r;
+#endif
+}
+
+/* SetVTable */
+static int __Pyx_SetVtable(PyTypeObject *type, void *vtable) {
+    PyObject *ob = PyCapsule_New(vtable, 0, 0);
+    if (unlikely(!ob))
+        goto bad;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    if (unlikely(PyObject_SetAttr((PyObject *) type, __pyx_n_s_pyx_vtable, ob) < 0))
+#else
+    if (unlikely(PyDict_SetItem(type->tp_dict, __pyx_n_s_pyx_vtable, ob) < 0))
+#endif
+        goto bad;
+    Py_DECREF(ob);
+    return 0;
+bad:
+    Py_XDECREF(ob);
+    return -1;
+}
+
+/* GetVTable */
+static void* __Pyx_GetVtable(PyTypeObject *type) {
+    void* ptr;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *ob = PyObject_GetAttr((PyObject *)type, __pyx_n_s_pyx_vtable);
+#else
+    PyObject *ob = PyObject_GetItem(type->tp_dict, __pyx_n_s_pyx_vtable);
+#endif
+    if (!ob)
+        goto bad;
+    ptr = PyCapsule_GetPointer(ob, 0);
+    if (!ptr && !PyErr_Occurred())
+        PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
+    Py_DECREF(ob);
+    return ptr;
+bad:
+    Py_XDECREF(ob);
+    return NULL;
+}
+
+/* MergeVTables */
+#if !CYTHON_COMPILING_IN_LIMITED_API
+static int __Pyx_MergeVtables(PyTypeObject *type) {
+    int i;
+    void** base_vtables;
+    __Pyx_TypeName tp_base_name;
+    __Pyx_TypeName base_name;
+    void* unknown = (void*)-1;
+    PyObject* bases = type->tp_bases;
+    int base_depth = 0;
+    {
+        PyTypeObject* base = type->tp_base;
+        while (base) {
+            base_depth += 1;
+            base = base->tp_base;
+        }
+    }
+    base_vtables = (void**) malloc(sizeof(void*) * (size_t)(base_depth + 1));
+    base_vtables[0] = unknown;
+    for (i = 1; i < PyTuple_GET_SIZE(bases); i++) {
+        void* base_vtable = __Pyx_GetVtable(((PyTypeObject*)PyTuple_GET_ITEM(bases, i)));
+        if (base_vtable != NULL) {
+            int j;
+            PyTypeObject* base = type->tp_base;
+            for (j = 0; j < base_depth; j++) {
+                if (base_vtables[j] == unknown) {
+                    base_vtables[j] = __Pyx_GetVtable(base);
+                    base_vtables[j + 1] = unknown;
+                }
+                if (base_vtables[j] == base_vtable) {
+                    break;
+                } else if (base_vtables[j] == NULL) {
+                    goto bad;
+                }
+                base = base->tp_base;
+            }
+        }
+    }
+    PyErr_Clear();
+    free(base_vtables);
+    return 0;
+bad:
+    tp_base_name = __Pyx_PyType_GetName(type->tp_base);
+    base_name = __Pyx_PyType_GetName((PyTypeObject*)PyTuple_GET_ITEM(bases, i));
+    PyErr_Format(PyExc_TypeError,
+        "multiple bases have vtable conflict: '" __Pyx_FMT_TYPENAME "' and '" __Pyx_FMT_TYPENAME "'", tp_base_name, base_name);
+    __Pyx_DECREF_TypeName(tp_base_name);
+    __Pyx_DECREF_TypeName(base_name);
+    free(base_vtables);
+    return -1;
+}
+#endif
+
+/* SetupReduce */
+#if !CYTHON_COMPILING_IN_LIMITED_API
+static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
+  int ret;
+  PyObject *name_attr;
+  name_attr = __Pyx_PyObject_GetAttrStrNoError(meth, __pyx_n_s_name_2);
   if (likely(name_attr)) {
       ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
   } else {
@@ -18841,78 +23002,1282 @@ static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
 static int __Pyx_setup_reduce(PyObject* type_obj) {
     int ret = 0;
     PyObject *object_reduce = NULL;
+    PyObject *object_getstate = NULL;
     PyObject *object_reduce_ex = NULL;
     PyObject *reduce = NULL;
     PyObject *reduce_ex = NULL;
     PyObject *reduce_cython = NULL;
     PyObject *setstate = NULL;
     PyObject *setstate_cython = NULL;
+    PyObject *getstate = NULL;
+#if CYTHON_USE_PYTYPE_LOOKUP
+    getstate = _PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate);
+#else
+    getstate = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_getstate);
+    if (!getstate && PyErr_Occurred()) {
+        goto __PYX_BAD;
+    }
+#endif
+    if (getstate) {
+#if CYTHON_USE_PYTYPE_LOOKUP
+        object_getstate = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_getstate);
+#else
+        object_getstate = __Pyx_PyObject_GetAttrStrNoError((PyObject*)&PyBaseObject_Type, __pyx_n_s_getstate);
+        if (!object_getstate && PyErr_Occurred()) {
+            goto __PYX_BAD;
+        }
+#endif
+        if (object_getstate != getstate) {
+            goto __PYX_GOOD;
+        }
+    }
+#if CYTHON_USE_PYTYPE_LOOKUP
+    object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+#else
+    object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+#endif
+    reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD;
+    if (reduce_ex == object_reduce_ex) {
 #if CYTHON_USE_PYTYPE_LOOKUP
-    if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD;
+        object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
+#else
+        object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
+#endif
+        reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD;
+        if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) {
+            reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython);
+            if (likely(reduce_cython)) {
+                ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+            } else if (reduce == object_reduce || PyErr_Occurred()) {
+                goto __PYX_BAD;
+            }
+            setstate = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate);
+            if (!setstate) PyErr_Clear();
+            if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) {
+                setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython);
+                if (likely(setstate_cython)) {
+                    ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                    ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
+                } else if (!setstate || PyErr_Occurred()) {
+                    goto __PYX_BAD;
+                }
+            }
+            PyType_Modified((PyTypeObject*)type_obj);
+        }
+    }
+    goto __PYX_GOOD;
+__PYX_BAD:
+    if (!PyErr_Occurred()) {
+        __Pyx_TypeName type_obj_name =
+            __Pyx_PyType_GetName((PyTypeObject*)type_obj);
+        PyErr_Format(PyExc_RuntimeError,
+            "Unable to initialize pickling for " __Pyx_FMT_TYPENAME, type_obj_name);
+        __Pyx_DECREF_TypeName(type_obj_name);
+    }
+    ret = -1;
+__PYX_GOOD:
+#if !CYTHON_USE_PYTYPE_LOOKUP
+    Py_XDECREF(object_reduce);
+    Py_XDECREF(object_reduce_ex);
+    Py_XDECREF(object_getstate);
+    Py_XDECREF(getstate);
+#endif
+    Py_XDECREF(reduce);
+    Py_XDECREF(reduce_ex);
+    Py_XDECREF(reduce_cython);
+    Py_XDECREF(setstate);
+    Py_XDECREF(setstate_cython);
+    return ret;
+}
+#endif
+
+/* FetchSharedCythonModule */
+static PyObject *__Pyx_FetchSharedCythonABIModule(void) {
+    return __Pyx_PyImport_AddModuleRef((char*) __PYX_ABI_MODULE_NAME);
+}
+
+/* FetchCommonType */
+static int __Pyx_VerifyCachedType(PyObject *cached_type,
+                               const char *name,
+                               Py_ssize_t basicsize,
+                               Py_ssize_t expected_basicsize) {
+    if (!PyType_Check(cached_type)) {
+        PyErr_Format(PyExc_TypeError,
+            "Shared Cython type %.200s is not a type object", name);
+        return -1;
+    }
+    if (basicsize != expected_basicsize) {
+        PyErr_Format(PyExc_TypeError,
+            "Shared Cython type %.200s has the wrong size, try recompiling",
+            name);
+        return -1;
+    }
+    return 0;
+}
+#if !CYTHON_USE_TYPE_SPECS
+static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
+    PyObject* abi_module;
+    const char* object_name;
+    PyTypeObject *cached_type = NULL;
+    abi_module = __Pyx_FetchSharedCythonABIModule();
+    if (!abi_module) return NULL;
+    object_name = strrchr(type->tp_name, '.');
+    object_name = object_name ? object_name+1 : type->tp_name;
+    cached_type = (PyTypeObject*) PyObject_GetAttrString(abi_module, object_name);
+    if (cached_type) {
+        if (__Pyx_VerifyCachedType(
+              (PyObject *)cached_type,
+              object_name,
+              cached_type->tp_basicsize,
+              type->tp_basicsize) < 0) {
+            goto bad;
+        }
+        goto done;
+    }
+    if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
+    PyErr_Clear();
+    if (PyType_Ready(type) < 0) goto bad;
+    if (PyObject_SetAttrString(abi_module, object_name, (PyObject *)type) < 0)
+        goto bad;
+    Py_INCREF(type);
+    cached_type = type;
+done:
+    Py_DECREF(abi_module);
+    return cached_type;
+bad:
+    Py_XDECREF(cached_type);
+    cached_type = NULL;
+    goto done;
+}
+#else
+static PyTypeObject *__Pyx_FetchCommonTypeFromSpec(PyObject *module, PyType_Spec *spec, PyObject *bases) {
+    PyObject *abi_module, *cached_type = NULL;
+    const char* object_name = strrchr(spec->name, '.');
+    object_name = object_name ? object_name+1 : spec->name;
+    abi_module = __Pyx_FetchSharedCythonABIModule();
+    if (!abi_module) return NULL;
+    cached_type = PyObject_GetAttrString(abi_module, object_name);
+    if (cached_type) {
+        Py_ssize_t basicsize;
+#if CYTHON_COMPILING_IN_LIMITED_API
+        PyObject *py_basicsize;
+        py_basicsize = PyObject_GetAttrString(cached_type, "__basicsize__");
+        if (unlikely(!py_basicsize)) goto bad;
+        basicsize = PyLong_AsSsize_t(py_basicsize);
+        Py_DECREF(py_basicsize);
+        py_basicsize = 0;
+        if (unlikely(basicsize == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
+#else
+        basicsize = likely(PyType_Check(cached_type)) ? ((PyTypeObject*) cached_type)->tp_basicsize : -1;
+#endif
+        if (__Pyx_VerifyCachedType(
+              cached_type,
+              object_name,
+              basicsize,
+              spec->basicsize) < 0) {
+            goto bad;
+        }
+        goto done;
+    }
+    if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
+    PyErr_Clear();
+    CYTHON_UNUSED_VAR(module);
+    cached_type = __Pyx_PyType_FromModuleAndSpec(abi_module, spec, bases);
+    if (unlikely(!cached_type)) goto bad;
+    if (unlikely(__Pyx_fix_up_extension_type_from_spec(spec, (PyTypeObject *) cached_type) < 0)) goto bad;
+    if (PyObject_SetAttrString(abi_module, object_name, cached_type) < 0) goto bad;
+done:
+    Py_DECREF(abi_module);
+    assert(cached_type == NULL || PyType_Check(cached_type));
+    return (PyTypeObject *) cached_type;
+bad:
+    Py_XDECREF(cached_type);
+    cached_type = NULL;
+    goto done;
+}
+#endif
+
+/* PyVectorcallFastCallDict */
+#if CYTHON_METH_FASTCALL
+static PyObject *__Pyx_PyVectorcall_FastCallDict_kw(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
+{
+    PyObject *res = NULL;
+    PyObject *kwnames;
+    PyObject **newargs;
+    PyObject **kwvalues;
+    Py_ssize_t i, pos;
+    size_t j;
+    PyObject *key, *value;
+    unsigned long keys_are_strings;
+    Py_ssize_t nkw = PyDict_GET_SIZE(kw);
+    newargs = (PyObject **)PyMem_Malloc((nargs + (size_t)nkw) * sizeof(args[0]));
+    if (unlikely(newargs == NULL)) {
+        PyErr_NoMemory();
+        return NULL;
+    }
+    for (j = 0; j < nargs; j++) newargs[j] = args[j];
+    kwnames = PyTuple_New(nkw);
+    if (unlikely(kwnames == NULL)) {
+        PyMem_Free(newargs);
+        return NULL;
+    }
+    kwvalues = newargs + nargs;
+    pos = i = 0;
+    keys_are_strings = Py_TPFLAGS_UNICODE_SUBCLASS;
+    while (PyDict_Next(kw, &pos, &key, &value)) {
+        keys_are_strings &= Py_TYPE(key)->tp_flags;
+        Py_INCREF(key);
+        Py_INCREF(value);
+        PyTuple_SET_ITEM(kwnames, i, key);
+        kwvalues[i] = value;
+        i++;
+    }
+    if (unlikely(!keys_are_strings)) {
+        PyErr_SetString(PyExc_TypeError, "keywords must be strings");
+        goto cleanup;
+    }
+    res = vc(func, newargs, nargs, kwnames);
+cleanup:
+    Py_DECREF(kwnames);
+    for (i = 0; i < nkw; i++)
+        Py_DECREF(kwvalues[i]);
+    PyMem_Free(newargs);
+    return res;
+}
+static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
+{
+    if (likely(kw == NULL) || PyDict_GET_SIZE(kw) == 0) {
+        return vc(func, args, nargs, NULL);
+    }
+    return __Pyx_PyVectorcall_FastCallDict_kw(func, vc, args, nargs, kw);
+}
+#endif
+
+/* CythonFunctionShared */
+#if CYTHON_COMPILING_IN_LIMITED_API
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void *cfunc) {
+    if (__Pyx_CyFunction_Check(func)) {
+        return PyCFunction_GetFunction(((__pyx_CyFunctionObject*)func)->func) == (PyCFunction) cfunc;
+    } else if (PyCFunction_Check(func)) {
+        return PyCFunction_GetFunction(func) == (PyCFunction) cfunc;
+    }
+    return 0;
+}
+#else
+static CYTHON_INLINE int __Pyx__IsSameCyOrCFunction(PyObject *func, void *cfunc) {
+    return __Pyx_CyOrPyCFunction_Check(func) && __Pyx_CyOrPyCFunction_GET_FUNCTION(func) == (PyCFunction) cfunc;
+}
+#endif
+static CYTHON_INLINE void __Pyx__CyFunction_SetClassObj(__pyx_CyFunctionObject* f, PyObject* classobj) {
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    __Pyx_Py_XDECREF_SET(
+        __Pyx_CyFunction_GetClassObj(f),
+            ((classobj) ? __Pyx_NewRef(classobj) : NULL));
+#else
+    __Pyx_Py_XDECREF_SET(
+        ((PyCMethodObject *) (f))->mm_class,
+        (PyTypeObject*)((classobj) ? __Pyx_NewRef(classobj) : NULL));
+#endif
+}
+static PyObject *
+__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, void *closure)
+{
+    CYTHON_UNUSED_VAR(closure);
+    if (unlikely(op->func_doc == NULL)) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+        op->func_doc = PyObject_GetAttrString(op->func, "__doc__");
+        if (unlikely(!op->func_doc)) return NULL;
+#else
+        if (((PyCFunctionObject*)op)->m_ml->ml_doc) {
+#if PY_MAJOR_VERSION >= 3
+            op->func_doc = PyUnicode_FromString(((PyCFunctionObject*)op)->m_ml->ml_doc);
+#else
+            op->func_doc = PyString_FromString(((PyCFunctionObject*)op)->m_ml->ml_doc);
+#endif
+            if (unlikely(op->func_doc == NULL))
+                return NULL;
+        } else {
+            Py_INCREF(Py_None);
+            return Py_None;
+        }
+#endif
+    }
+    Py_INCREF(op->func_doc);
+    return op->func_doc;
+}
+static int
+__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (value == NULL) {
+        value = Py_None;
+    }
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_doc, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(op->func_name == NULL)) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+        op->func_name = PyObject_GetAttrString(op->func, "__name__");
+#elif PY_MAJOR_VERSION >= 3
+        op->func_name = PyUnicode_InternFromString(((PyCFunctionObject*)op)->m_ml->ml_name);
+#else
+        op->func_name = PyString_InternFromString(((PyCFunctionObject*)op)->m_ml->ml_name);
+#endif
+        if (unlikely(op->func_name == NULL))
+            return NULL;
+    }
+    Py_INCREF(op->func_name);
+    return op->func_name;
+}
+static int
+__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+#if PY_MAJOR_VERSION >= 3
+    if (unlikely(value == NULL || !PyUnicode_Check(value)))
+#else
+    if (unlikely(value == NULL || !PyString_Check(value)))
+#endif
+    {
+        PyErr_SetString(PyExc_TypeError,
+                        "__name__ must be set to a string object");
+        return -1;
+    }
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_name, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(op->func_qualname);
+    return op->func_qualname;
+}
+static int
+__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+#if PY_MAJOR_VERSION >= 3
+    if (unlikely(value == NULL || !PyUnicode_Check(value)))
+#else
+    if (unlikely(value == NULL || !PyString_Check(value)))
+#endif
+    {
+        PyErr_SetString(PyExc_TypeError,
+                        "__qualname__ must be set to a string object");
+        return -1;
+    }
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_qualname, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(op->func_dict == NULL)) {
+        op->func_dict = PyDict_New();
+        if (unlikely(op->func_dict == NULL))
+            return NULL;
+    }
+    Py_INCREF(op->func_dict);
+    return op->func_dict;
+}
+static int
+__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(value == NULL)) {
+        PyErr_SetString(PyExc_TypeError,
+               "function's dictionary may not be deleted");
+        return -1;
+    }
+    if (unlikely(!PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+               "setting function's dictionary to a non-dict");
+        return -1;
+    }
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_dict, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(op->func_globals);
+    return op->func_globals;
+}
+static PyObject *
+__Pyx_CyFunction_get_closure(__pyx_CyFunctionObject *op, void *context)
+{
+    CYTHON_UNUSED_VAR(op);
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(Py_None);
+    return Py_None;
+}
+static PyObject *
+__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op, void *context)
+{
+    PyObject* result = (op->func_code) ? op->func_code : Py_None;
+    CYTHON_UNUSED_VAR(context);
+    Py_INCREF(result);
+    return result;
+}
+static int
+__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
+    int result = 0;
+    PyObject *res = op->defaults_getter((PyObject *) op);
+    if (unlikely(!res))
+        return -1;
+    #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
+    Py_INCREF(op->defaults_tuple);
+    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
+    Py_INCREF(op->defaults_kwdict);
+    #else
+    op->defaults_tuple = __Pyx_PySequence_ITEM(res, 0);
+    if (unlikely(!op->defaults_tuple)) result = -1;
+    else {
+        op->defaults_kwdict = __Pyx_PySequence_ITEM(res, 1);
+        if (unlikely(!op->defaults_kwdict)) result = -1;
+    }
+    #endif
+    Py_DECREF(res);
+    return result;
+}
+static int
+__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value) {
+        value = Py_None;
+    } else if (unlikely(value != Py_None && !PyTuple_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__defaults__ must be set to a tuple object");
+        return -1;
+    }
+    PyErr_WarnEx(PyExc_RuntimeWarning, "changes to cyfunction.__defaults__ will not "
+                 "currently affect the values used in function calls", 1);
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->defaults_tuple, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result = op->defaults_tuple;
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(!result)) {
+        if (op->defaults_getter) {
+            if (unlikely(__Pyx_CyFunction_init_defaults(op) < 0)) return NULL;
+            result = op->defaults_tuple;
+        } else {
+            result = Py_None;
+        }
+    }
+    Py_INCREF(result);
+    return result;
+}
+static int
+__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value) {
+        value = Py_None;
+    } else if (unlikely(value != Py_None && !PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__kwdefaults__ must be set to a dict object");
+        return -1;
+    }
+    PyErr_WarnEx(PyExc_RuntimeWarning, "changes to cyfunction.__kwdefaults__ will not "
+                 "currently affect the values used in function calls", 1);
+    Py_INCREF(value);
+    __Pyx_Py_XDECREF_SET(op->defaults_kwdict, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result = op->defaults_kwdict;
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(!result)) {
+        if (op->defaults_getter) {
+            if (unlikely(__Pyx_CyFunction_init_defaults(op) < 0)) return NULL;
+            result = op->defaults_kwdict;
+        } else {
+            result = Py_None;
+        }
+    }
+    Py_INCREF(result);
+    return result;
+}
+static int
+__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    if (!value || value == Py_None) {
+        value = NULL;
+    } else if (unlikely(!PyDict_Check(value))) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__annotations__ must be set to a dict object");
+        return -1;
+    }
+    Py_XINCREF(value);
+    __Pyx_Py_XDECREF_SET(op->func_annotations, value);
+    return 0;
+}
+static PyObject *
+__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op, void *context) {
+    PyObject* result = op->func_annotations;
+    CYTHON_UNUSED_VAR(context);
+    if (unlikely(!result)) {
+        result = PyDict_New();
+        if (unlikely(!result)) return NULL;
+        op->func_annotations = result;
+    }
+    Py_INCREF(result);
+    return result;
+}
+static PyObject *
+__Pyx_CyFunction_get_is_coroutine(__pyx_CyFunctionObject *op, void *context) {
+    int is_coroutine;
+    CYTHON_UNUSED_VAR(context);
+    if (op->func_is_coroutine) {
+        return __Pyx_NewRef(op->func_is_coroutine);
+    }
+    is_coroutine = op->flags & __Pyx_CYFUNCTION_COROUTINE;
+#if PY_VERSION_HEX >= 0x03050000
+    if (is_coroutine) {
+        PyObject *module, *fromlist, *marker = __pyx_n_s_is_coroutine;
+        fromlist = PyList_New(1);
+        if (unlikely(!fromlist)) return NULL;
+        Py_INCREF(marker);
+#if CYTHON_ASSUME_SAFE_MACROS
+        PyList_SET_ITEM(fromlist, 0, marker);
+#else
+        if (unlikely(PyList_SetItem(fromlist, 0, marker) < 0)) {
+            Py_DECREF(marker);
+            Py_DECREF(fromlist);
+            return NULL;
+        }
+#endif
+        module = PyImport_ImportModuleLevelObject(__pyx_n_s_asyncio_coroutines, NULL, NULL, fromlist, 0);
+        Py_DECREF(fromlist);
+        if (unlikely(!module)) goto ignore;
+        op->func_is_coroutine = __Pyx_PyObject_GetAttrStr(module, marker);
+        Py_DECREF(module);
+        if (likely(op->func_is_coroutine)) {
+            return __Pyx_NewRef(op->func_is_coroutine);
+        }
+ignore:
+        PyErr_Clear();
+    }
+#endif
+    op->func_is_coroutine = __Pyx_PyBool_FromLong(is_coroutine);
+    return __Pyx_NewRef(op->func_is_coroutine);
+}
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *
+__Pyx_CyFunction_get_module(__pyx_CyFunctionObject *op, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    return PyObject_GetAttrString(op->func, "__module__");
+}
+static int
+__Pyx_CyFunction_set_module(__pyx_CyFunctionObject *op, PyObject* value, void *context) {
+    CYTHON_UNUSED_VAR(context);
+    return PyObject_SetAttrString(op->func, "__module__", value);
+}
+#endif
+static PyGetSetDef __pyx_CyFunction_getsets[] = {
+    {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
+    {(char *) "__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
+    {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
+    {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
+    {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
+    {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
+    {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
+    {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
+    {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
+    {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
+    {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
+    {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
+    {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
+    {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
+    {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
+    {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
+    {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
+    {(char *) "_is_coroutine", (getter)__Pyx_CyFunction_get_is_coroutine, 0, 0, 0},
+#if CYTHON_COMPILING_IN_LIMITED_API
+    {"__module__", (getter)__Pyx_CyFunction_get_module, (setter)__Pyx_CyFunction_set_module, 0, 0},
+#endif
+    {0, 0, 0, 0, 0}
+};
+static PyMemberDef __pyx_CyFunction_members[] = {
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    {(char *) "__module__", T_OBJECT, offsetof(PyCFunctionObject, m_module), 0, 0},
+#endif
+#if CYTHON_USE_TYPE_SPECS
+    {(char *) "__dictoffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_dict), READONLY, 0},
+#if CYTHON_METH_FASTCALL
+#if CYTHON_BACKPORT_VECTORCALL
+    {(char *) "__vectorcalloffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_vectorcall), READONLY, 0},
+#else
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    {(char *) "__vectorcalloffset__", T_PYSSIZET, offsetof(PyCFunctionObject, vectorcall), READONLY, 0},
+#endif
+#endif
+#endif
+#if PY_VERSION_HEX < 0x030500A0 || CYTHON_COMPILING_IN_LIMITED_API
+    {(char *) "__weaklistoffset__", T_PYSSIZET, offsetof(__pyx_CyFunctionObject, func_weakreflist), READONLY, 0},
+#else
+    {(char *) "__weaklistoffset__", T_PYSSIZET, offsetof(PyCFunctionObject, m_weakreflist), READONLY, 0},
+#endif
+#endif
+    {0, 0, 0,  0, 0}
+};
+static PyObject *
+__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, PyObject *args)
+{
+    CYTHON_UNUSED_VAR(args);
+#if PY_MAJOR_VERSION >= 3
+    Py_INCREF(m->func_qualname);
+    return m->func_qualname;
+#else
+    return PyString_FromString(((PyCFunctionObject*)m)->m_ml->ml_name);
+#endif
+}
+static PyMethodDef __pyx_CyFunction_methods[] = {
+    {"__reduce__", (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
+    {0, 0, 0, 0}
+};
+#if PY_VERSION_HEX < 0x030500A0 || CYTHON_COMPILING_IN_LIMITED_API
+#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func_weakreflist)
+#else
+#define __Pyx_CyFunction_weakreflist(cyfunc) (((PyCFunctionObject*)cyfunc)->m_weakreflist)
+#endif
+static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject *op, PyMethodDef *ml, int flags, PyObject* qualname,
+                                       PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    PyCFunctionObject *cf = (PyCFunctionObject*) op;
+#endif
+    if (unlikely(op == NULL))
+        return NULL;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    op->func = PyCFunction_NewEx(ml, (PyObject*)op, module);
+    if (unlikely(!op->func)) return NULL;
+#endif
+    op->flags = flags;
+    __Pyx_CyFunction_weakreflist(op) = NULL;
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    cf->m_ml = ml;
+    cf->m_self = (PyObject *) op;
+#endif
+    Py_XINCREF(closure);
+    op->func_closure = closure;
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    Py_XINCREF(module);
+    cf->m_module = module;
+#endif
+    op->func_dict = NULL;
+    op->func_name = NULL;
+    Py_INCREF(qualname);
+    op->func_qualname = qualname;
+    op->func_doc = NULL;
+#if PY_VERSION_HEX < 0x030900B1 || CYTHON_COMPILING_IN_LIMITED_API
+    op->func_classobj = NULL;
+#else
+    ((PyCMethodObject*)op)->mm_class = NULL;
+#endif
+    op->func_globals = globals;
+    Py_INCREF(op->func_globals);
+    Py_XINCREF(code);
+    op->func_code = code;
+    op->defaults_pyobjects = 0;
+    op->defaults_size = 0;
+    op->defaults = NULL;
+    op->defaults_tuple = NULL;
+    op->defaults_kwdict = NULL;
+    op->defaults_getter = NULL;
+    op->func_annotations = NULL;
+    op->func_is_coroutine = NULL;
+#if CYTHON_METH_FASTCALL
+    switch (ml->ml_flags & (METH_VARARGS | METH_FASTCALL | METH_NOARGS | METH_O | METH_KEYWORDS | METH_METHOD)) {
+    case METH_NOARGS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_NOARGS;
+        break;
+    case METH_O:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_O;
+        break;
+    case METH_METHOD | METH_FASTCALL | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD;
+        break;
+    case METH_FASTCALL | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS;
+        break;
+    case METH_VARARGS | METH_KEYWORDS:
+        __Pyx_CyFunction_func_vectorcall(op) = NULL;
+        break;
+    default:
+        PyErr_SetString(PyExc_SystemError, "Bad call flags for CyFunction");
+        Py_DECREF(op);
+        return NULL;
+    }
+#endif
+    return (PyObject *) op;
+}
+static int
+__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
+{
+    Py_CLEAR(m->func_closure);
+#if CYTHON_COMPILING_IN_LIMITED_API
+    Py_CLEAR(m->func);
+#else
+    Py_CLEAR(((PyCFunctionObject*)m)->m_module);
+#endif
+    Py_CLEAR(m->func_dict);
+    Py_CLEAR(m->func_name);
+    Py_CLEAR(m->func_qualname);
+    Py_CLEAR(m->func_doc);
+    Py_CLEAR(m->func_globals);
+    Py_CLEAR(m->func_code);
+#if !CYTHON_COMPILING_IN_LIMITED_API
+#if PY_VERSION_HEX < 0x030900B1
+    Py_CLEAR(__Pyx_CyFunction_GetClassObj(m));
+#else
+    {
+        PyObject *cls = (PyObject*) ((PyCMethodObject *) (m))->mm_class;
+        ((PyCMethodObject *) (m))->mm_class = NULL;
+        Py_XDECREF(cls);
+    }
+#endif
+#endif
+    Py_CLEAR(m->defaults_tuple);
+    Py_CLEAR(m->defaults_kwdict);
+    Py_CLEAR(m->func_annotations);
+    Py_CLEAR(m->func_is_coroutine);
+    if (m->defaults) {
+        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
+        int i;
+        for (i = 0; i < m->defaults_pyobjects; i++)
+            Py_XDECREF(pydefaults[i]);
+        PyObject_Free(m->defaults);
+        m->defaults = NULL;
+    }
+    return 0;
+}
+static void __Pyx__CyFunction_dealloc(__pyx_CyFunctionObject *m)
+{
+    if (__Pyx_CyFunction_weakreflist(m) != NULL)
+        PyObject_ClearWeakRefs((PyObject *) m);
+    __Pyx_CyFunction_clear(m);
+    __Pyx_PyHeapTypeObject_GC_Del(m);
+}
+static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
+{
+    PyObject_GC_UnTrack(m);
+    __Pyx__CyFunction_dealloc(m);
+}
+static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
+{
+    Py_VISIT(m->func_closure);
+#if CYTHON_COMPILING_IN_LIMITED_API
+    Py_VISIT(m->func);
+#else
+    Py_VISIT(((PyCFunctionObject*)m)->m_module);
+#endif
+    Py_VISIT(m->func_dict);
+    Py_VISIT(m->func_name);
+    Py_VISIT(m->func_qualname);
+    Py_VISIT(m->func_doc);
+    Py_VISIT(m->func_globals);
+    Py_VISIT(m->func_code);
+#if !CYTHON_COMPILING_IN_LIMITED_API
+    Py_VISIT(__Pyx_CyFunction_GetClassObj(m));
+#endif
+    Py_VISIT(m->defaults_tuple);
+    Py_VISIT(m->defaults_kwdict);
+    Py_VISIT(m->func_is_coroutine);
+    if (m->defaults) {
+        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
+        int i;
+        for (i = 0; i < m->defaults_pyobjects; i++)
+            Py_VISIT(pydefaults[i]);
+    }
+    return 0;
+}
+static PyObject*
+__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
+{
+#if PY_MAJOR_VERSION >= 3
+    return PyUnicode_FromFormat("<cyfunction %U at %p>",
+                                op->func_qualname, (void *)op);
+#else
+    return PyString_FromFormat("<cyfunction %s at %p>",
+                               PyString_AsString(op->func_qualname), (void *)op);
+#endif
+}
+static PyObject * __Pyx_CyFunction_CallMethod(PyObject *func, PyObject *self, PyObject *arg, PyObject *kw) {
+#if CYTHON_COMPILING_IN_LIMITED_API
+    PyObject *f = ((__pyx_CyFunctionObject*)func)->func;
+    PyObject *py_name = NULL;
+    PyCFunction meth;
+    int flags;
+    meth = PyCFunction_GetFunction(f);
+    if (unlikely(!meth)) return NULL;
+    flags = PyCFunction_GetFlags(f);
+    if (unlikely(flags < 0)) return NULL;
+#else
+    PyCFunctionObject* f = (PyCFunctionObject*)func;
+    PyCFunction meth = f->m_ml->ml_meth;
+    int flags = f->m_ml->ml_flags;
+#endif
+    Py_ssize_t size;
+    switch (flags & (METH_VARARGS | METH_KEYWORDS | METH_NOARGS | METH_O)) {
+    case METH_VARARGS:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0))
+            return (*meth)(self, arg);
+        break;
+    case METH_VARARGS | METH_KEYWORDS:
+        return (*(PyCFunctionWithKeywords)(void*)meth)(self, arg, kw);
+    case METH_NOARGS:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
+#if CYTHON_ASSUME_SAFE_MACROS
+            size = PyTuple_GET_SIZE(arg);
+#else
+            size = PyTuple_Size(arg);
+            if (unlikely(size < 0)) return NULL;
+#endif
+            if (likely(size == 0))
+                return (*meth)(self, NULL);
+#if CYTHON_COMPILING_IN_LIMITED_API
+            py_name = __Pyx_CyFunction_get_name((__pyx_CyFunctionObject*)func, NULL);
+            if (!py_name) return NULL;
+            PyErr_Format(PyExc_TypeError,
+                "%.200S() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                py_name, size);
+            Py_DECREF(py_name);
+#else
+            PyErr_Format(PyExc_TypeError,
+                "%.200s() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                f->m_ml->ml_name, size);
+#endif
+            return NULL;
+        }
+        break;
+    case METH_O:
+        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
+#if CYTHON_ASSUME_SAFE_MACROS
+            size = PyTuple_GET_SIZE(arg);
+#else
+            size = PyTuple_Size(arg);
+            if (unlikely(size < 0)) return NULL;
+#endif
+            if (likely(size == 1)) {
+                PyObject *result, *arg0;
+                #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
+                arg0 = PyTuple_GET_ITEM(arg, 0);
+                #else
+                arg0 = __Pyx_PySequence_ITEM(arg, 0); if (unlikely(!arg0)) return NULL;
+                #endif
+                result = (*meth)(self, arg0);
+                #if !(CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
+                Py_DECREF(arg0);
+                #endif
+                return result;
+            }
+#if CYTHON_COMPILING_IN_LIMITED_API
+            py_name = __Pyx_CyFunction_get_name((__pyx_CyFunctionObject*)func, NULL);
+            if (!py_name) return NULL;
+            PyErr_Format(PyExc_TypeError,
+                "%.200S() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                py_name, size);
+            Py_DECREF(py_name);
+#else
+            PyErr_Format(PyExc_TypeError,
+                "%.200s() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                f->m_ml->ml_name, size);
+#endif
+            return NULL;
+        }
+        break;
+    default:
+        PyErr_SetString(PyExc_SystemError, "Bad call flags for CyFunction");
+        return NULL;
+    }
+#if CYTHON_COMPILING_IN_LIMITED_API
+    py_name = __Pyx_CyFunction_get_name((__pyx_CyFunctionObject*)func, NULL);
+    if (!py_name) return NULL;
+    PyErr_Format(PyExc_TypeError, "%.200S() takes no keyword arguments",
+                 py_name);
+    Py_DECREF(py_name);
+#else
+    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
+                 f->m_ml->ml_name);
+#endif
+    return NULL;
+}
+static CYTHON_INLINE PyObject *__Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyObject *self, *result;
+#if CYTHON_COMPILING_IN_LIMITED_API
+    self = PyCFunction_GetSelf(((__pyx_CyFunctionObject*)func)->func);
+    if (unlikely(!self) && PyErr_Occurred()) return NULL;
+#else
+    self = ((PyCFunctionObject*)func)->m_self;
+#endif
+    result = __Pyx_CyFunction_CallMethod(func, self, arg, kw);
+    return result;
+}
+static PyObject *__Pyx_CyFunction_CallAsMethod(PyObject *func, PyObject *args, PyObject *kw) {
+    PyObject *result;
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *) func;
+#if CYTHON_METH_FASTCALL
+     __pyx_vectorcallfunc vc = __Pyx_CyFunction_func_vectorcall(cyfunc);
+    if (vc) {
+#if CYTHON_ASSUME_SAFE_MACROS
+        return __Pyx_PyVectorcall_FastCallDict(func, vc, &PyTuple_GET_ITEM(args, 0), (size_t)PyTuple_GET_SIZE(args), kw);
+#else
+        (void) &__Pyx_PyVectorcall_FastCallDict;
+        return PyVectorcall_Call(func, args, kw);
+#endif
+    }
+#endif
+    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
+        Py_ssize_t argc;
+        PyObject *new_args;
+        PyObject *self;
+#if CYTHON_ASSUME_SAFE_MACROS
+        argc = PyTuple_GET_SIZE(args);
+#else
+        argc = PyTuple_Size(args);
+        if (unlikely(!argc) < 0) return NULL;
+#endif
+        new_args = PyTuple_GetSlice(args, 1, argc);
+        if (unlikely(!new_args))
+            return NULL;
+        self = PyTuple_GetItem(args, 0);
+        if (unlikely(!self)) {
+            Py_DECREF(new_args);
+#if PY_MAJOR_VERSION > 2
+            PyErr_Format(PyExc_TypeError,
+                         "unbound method %.200S() needs an argument",
+                         cyfunc->func_qualname);
+#else
+            PyErr_SetString(PyExc_TypeError,
+                            "unbound method needs an argument");
+#endif
+            return NULL;
+        }
+        result = __Pyx_CyFunction_CallMethod(func, self, new_args, kw);
+        Py_DECREF(new_args);
+    } else {
+        result = __Pyx_CyFunction_Call(func, args, kw);
+    }
+    return result;
+}
+#if CYTHON_METH_FASTCALL
+static CYTHON_INLINE int __Pyx_CyFunction_Vectorcall_CheckArgs(__pyx_CyFunctionObject *cyfunc, Py_ssize_t nargs, PyObject *kwnames)
+{
+    int ret = 0;
+    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
+        if (unlikely(nargs < 1)) {
+            PyErr_Format(PyExc_TypeError, "%.200s() needs an argument",
+                         ((PyCFunctionObject*)cyfunc)->m_ml->ml_name);
+            return -1;
+        }
+        ret = 1;
+    }
+    if (unlikely(kwnames) && unlikely(PyTuple_GET_SIZE(kwnames))) {
+        PyErr_Format(PyExc_TypeError,
+                     "%.200s() takes no keyword arguments", ((PyCFunctionObject*)cyfunc)->m_ml->ml_name);
+        return -1;
+    }
+    return ret;
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_NOARGS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyMethodDef* def = ((PyCFunctionObject*)cyfunc)->m_ml;
+#if CYTHON_BACKPORT_VECTORCALL
+    Py_ssize_t nargs = (Py_ssize_t)nargsf;
+#else
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+#endif
+    PyObject *self;
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, kwnames)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+        break;
+    default:
+        return NULL;
+    }
+    if (unlikely(nargs != 0)) {
+        PyErr_Format(PyExc_TypeError,
+            "%.200s() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
+            def->ml_name, nargs);
+        return NULL;
+    }
+    return def->ml_meth(self, NULL);
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_O(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyMethodDef* def = ((PyCFunctionObject*)cyfunc)->m_ml;
+#if CYTHON_BACKPORT_VECTORCALL
+    Py_ssize_t nargs = (Py_ssize_t)nargsf;
+#else
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+#endif
+    PyObject *self;
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, kwnames)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+        break;
+    default:
+        return NULL;
+    }
+    if (unlikely(nargs != 1)) {
+        PyErr_Format(PyExc_TypeError,
+            "%.200s() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
+            def->ml_name, nargs);
+        return NULL;
+    }
+    return def->ml_meth(self, args[0]);
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyMethodDef* def = ((PyCFunctionObject*)cyfunc)->m_ml;
+#if CYTHON_BACKPORT_VECTORCALL
+    Py_ssize_t nargs = (Py_ssize_t)nargsf;
+#else
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+#endif
+    PyObject *self;
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, NULL)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+        break;
+    default:
+        return NULL;
+    }
+    return ((__Pyx_PyCFunctionFastWithKeywords)(void(*)(void))def->ml_meth)(self, args, nargs, kwnames);
+}
+static PyObject * __Pyx_CyFunction_Vectorcall_FASTCALL_KEYWORDS_METHOD(PyObject *func, PyObject *const *args, size_t nargsf, PyObject *kwnames)
+{
+    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *)func;
+    PyMethodDef* def = ((PyCFunctionObject*)cyfunc)->m_ml;
+    PyTypeObject *cls = (PyTypeObject *) __Pyx_CyFunction_GetClassObj(cyfunc);
+#if CYTHON_BACKPORT_VECTORCALL
+    Py_ssize_t nargs = (Py_ssize_t)nargsf;
+#else
+    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
+#endif
+    PyObject *self;
+    switch (__Pyx_CyFunction_Vectorcall_CheckArgs(cyfunc, nargs, NULL)) {
+    case 1:
+        self = args[0];
+        args += 1;
+        nargs -= 1;
+        break;
+    case 0:
+        self = ((PyCFunctionObject*)cyfunc)->m_self;
+        break;
+    default:
+        return NULL;
+    }
+    return ((__Pyx_PyCMethod)(void(*)(void))def->ml_meth)(self, cls, args, (size_t)nargs, kwnames);
+}
+#endif
+#if CYTHON_USE_TYPE_SPECS
+static PyType_Slot __pyx_CyFunctionType_slots[] = {
+    {Py_tp_dealloc, (void *)__Pyx_CyFunction_dealloc},
+    {Py_tp_repr, (void *)__Pyx_CyFunction_repr},
+    {Py_tp_call, (void *)__Pyx_CyFunction_CallAsMethod},
+    {Py_tp_traverse, (void *)__Pyx_CyFunction_traverse},
+    {Py_tp_clear, (void *)__Pyx_CyFunction_clear},
+    {Py_tp_methods, (void *)__pyx_CyFunction_methods},
+    {Py_tp_members, (void *)__pyx_CyFunction_members},
+    {Py_tp_getset, (void *)__pyx_CyFunction_getsets},
+    {Py_tp_descr_get, (void *)__Pyx_PyMethod_New},
+    {0, 0},
+};
+static PyType_Spec __pyx_CyFunctionType_spec = {
+    __PYX_TYPE_MODULE_PREFIX "cython_function_or_method",
+    sizeof(__pyx_CyFunctionObject),
+    0,
+#ifdef Py_TPFLAGS_METHOD_DESCRIPTOR
+    Py_TPFLAGS_METHOD_DESCRIPTOR |
+#endif
+#if (defined(_Py_TPFLAGS_HAVE_VECTORCALL) && CYTHON_METH_FASTCALL)
+    _Py_TPFLAGS_HAVE_VECTORCALL |
+#endif
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    __pyx_CyFunctionType_slots
+};
+#else
+static PyTypeObject __pyx_CyFunctionType_type = {
+    PyVarObject_HEAD_INIT(0, 0)
+    __PYX_TYPE_MODULE_PREFIX "cython_function_or_method",
+    sizeof(__pyx_CyFunctionObject),
+    0,
+    (destructor) __Pyx_CyFunction_dealloc,
+#if !CYTHON_METH_FASTCALL
+    0,
+#elif CYTHON_BACKPORT_VECTORCALL
+    (printfunc)offsetof(__pyx_CyFunctionObject, func_vectorcall),
 #else
-    if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD;
+    offsetof(PyCFunctionObject, vectorcall),
 #endif
-#if CYTHON_USE_PYTYPE_LOOKUP
-    object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+    0,
+    0,
+#if PY_MAJOR_VERSION < 3
+    0,
 #else
-    object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
+    0,
 #endif
-    reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD;
-    if (reduce_ex == object_reduce_ex) {
-#if CYTHON_USE_PYTYPE_LOOKUP
-        object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
+    (reprfunc) __Pyx_CyFunction_repr,
+    0,
+    0,
+    0,
+    0,
+    __Pyx_CyFunction_CallAsMethod,
+    0,
+    0,
+    0,
+    0,
+#ifdef Py_TPFLAGS_METHOD_DESCRIPTOR
+    Py_TPFLAGS_METHOD_DESCRIPTOR |
+#endif
+#if defined(_Py_TPFLAGS_HAVE_VECTORCALL) && CYTHON_METH_FASTCALL
+    _Py_TPFLAGS_HAVE_VECTORCALL |
+#endif
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    0,
+    (traverseproc) __Pyx_CyFunction_traverse,
+    (inquiry) __Pyx_CyFunction_clear,
+    0,
+#if PY_VERSION_HEX < 0x030500A0
+    offsetof(__pyx_CyFunctionObject, func_weakreflist),
 #else
-        object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
+    offsetof(PyCFunctionObject, m_weakreflist),
 #endif
-        reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD;
-        if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) {
-            reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython);
-            if (likely(reduce_cython)) {
-                ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-                ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-            } else if (reduce == object_reduce || PyErr_Occurred()) {
-                goto __PYX_BAD;
-            }
-            setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate);
-            if (!setstate) PyErr_Clear();
-            if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) {
-                setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython);
-                if (likely(setstate_cython)) {
-                    ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-                    ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-                } else if (!setstate || PyErr_Occurred()) {
-                    goto __PYX_BAD;
-                }
-            }
-            PyType_Modified((PyTypeObject*)type_obj);
-        }
-    }
-    goto __PYX_GOOD;
-__PYX_BAD:
-    if (!PyErr_Occurred())
-        PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name);
-    ret = -1;
-__PYX_GOOD:
-#if !CYTHON_USE_PYTYPE_LOOKUP
-    Py_XDECREF(object_reduce);
-    Py_XDECREF(object_reduce_ex);
+    0,
+    0,
+    __pyx_CyFunction_methods,
+    __pyx_CyFunction_members,
+    __pyx_CyFunction_getsets,
+    0,
+    0,
+    __Pyx_PyMethod_New,
+    0,
+    offsetof(__pyx_CyFunctionObject, func_dict),
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+#if PY_VERSION_HEX >= 0x030400a1
+    0,
 #endif
-    Py_XDECREF(reduce);
-    Py_XDECREF(reduce_ex);
-    Py_XDECREF(reduce_cython);
-    Py_XDECREF(setstate);
-    Py_XDECREF(setstate_cython);
-    return ret;
+#if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
+    0,
+#endif
+#if __PYX_NEED_TP_PRINT_SLOT
+    0,
+#endif
+#if PY_VERSION_HEX >= 0x030C0000
+    0,
+#endif
+#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
+    0,
+#endif
+};
+#endif
+static int __pyx_CyFunction_init(PyObject *module) {
+#if CYTHON_USE_TYPE_SPECS
+    __pyx_CyFunctionType = __Pyx_FetchCommonTypeFromSpec(module, &__pyx_CyFunctionType_spec, NULL);
+#else
+    CYTHON_UNUSED_VAR(module);
+    __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type);
+#endif
+    if (unlikely(__pyx_CyFunctionType == NULL)) {
+        return -1;
+    }
+    return 0;
+}
+static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults = PyObject_Malloc(size);
+    if (unlikely(!m->defaults))
+        return PyErr_NoMemory();
+    memset(m->defaults, 0, size);
+    m->defaults_pyobjects = pyobjects;
+    m->defaults_size = size;
+    return m->defaults;
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults_tuple = tuple;
+    Py_INCREF(tuple);
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->defaults_kwdict = dict;
+    Py_INCREF(dict);
+}
+static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
+    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
+    m->func_annotations = dict;
+    Py_INCREF(dict);
+}
+
+/* CythonFunction */
+static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml, int flags, PyObject* qualname,
+                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
+    PyObject *op = __Pyx_CyFunction_Init(
+        PyObject_GC_New(__pyx_CyFunctionObject, __pyx_CyFunctionType),
+        ml, flags, qualname, closure, module, globals, code
+    );
+    if (likely(op)) {
+        PyObject_GC_Track(op);
+    }
+    return op;
 }
 
 /* CLineInTraceback */
 #ifndef CYTHON_CLINE_IN_TRACEBACK
-static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) {
+static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line) {
     PyObject *use_cline;
     PyObject *ptype, *pvalue, *ptraceback;
 #if CYTHON_COMPILING_IN_CPYTHON
     PyObject **cython_runtime_dict;
 #endif
+    CYTHON_MAYBE_UNUSED_VAR(tstate);
     if (unlikely(!__pyx_cython_runtime)) {
         return c_line;
     }
@@ -18926,7 +24291,7 @@ static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int
     } else
 #endif
     {
-      PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
+      PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStrNoError(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
       if (use_cline_obj) {
         use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True;
         Py_DECREF(use_cline_obj);
@@ -18937,7 +24302,7 @@ static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int
     }
     if (!use_cline) {
         c_line = 0;
-        PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
+        (void) PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
     }
     else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) {
         c_line = 0;
@@ -18948,6 +24313,7 @@ static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int
 #endif
 
 /* CodeObjectCache */
+#if !CYTHON_COMPILING_IN_LIMITED_API
 static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
     int start = 0, mid = 0, end = count - 1;
     if (end >= 0 && code_line > entries[end].code_line) {
@@ -19026,44 +24392,136 @@ static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
     __pyx_code_cache.count++;
     Py_INCREF(code_object);
 }
+#endif
 
 /* AddTraceback */
 #include "compile.h"
 #include "frameobject.h"
 #include "traceback.h"
+#if PY_VERSION_HEX >= 0x030b00a6 && !CYTHON_COMPILING_IN_LIMITED_API
+  #ifndef Py_BUILD_CORE
+    #define Py_BUILD_CORE 1
+  #endif
+  #include "internal/pycore_frame.h"
+#endif
+#if CYTHON_COMPILING_IN_LIMITED_API
+static PyObject *__Pyx_PyCode_Replace_For_AddTraceback(PyObject *code, PyObject *scratch_dict,
+                                                       PyObject *firstlineno, PyObject *name) {
+    PyObject *replace = NULL;
+    if (unlikely(PyDict_SetItemString(scratch_dict, "co_firstlineno", firstlineno))) return NULL;
+    if (unlikely(PyDict_SetItemString(scratch_dict, "co_name", name))) return NULL;
+    replace = PyObject_GetAttrString(code, "replace");
+    if (likely(replace)) {
+        PyObject *result;
+        result = PyObject_Call(replace, __pyx_empty_tuple, scratch_dict);
+        Py_DECREF(replace);
+        return result;
+    }
+    PyErr_Clear();
+    #if __PYX_LIMITED_VERSION_HEX < 0x030780000
+    {
+        PyObject *compiled = NULL, *result = NULL;
+        if (unlikely(PyDict_SetItemString(scratch_dict, "code", code))) return NULL;
+        if (unlikely(PyDict_SetItemString(scratch_dict, "type", (PyObject*)(&PyType_Type)))) return NULL;
+        compiled = Py_CompileString(
+            "out = type(code)(\n"
+            "  code.co_argcount, code.co_kwonlyargcount, code.co_nlocals, code.co_stacksize,\n"
+            "  code.co_flags, code.co_code, code.co_consts, code.co_names,\n"
+            "  code.co_varnames, code.co_filename, co_name, co_firstlineno,\n"
+            "  code.co_lnotab)\n", "<dummy>", Py_file_input);
+        if (!compiled) return NULL;
+        result = PyEval_EvalCode(compiled, scratch_dict, scratch_dict);
+        Py_DECREF(compiled);
+        if (!result) PyErr_Print();
+        Py_DECREF(result);
+        result = PyDict_GetItemString(scratch_dict, "out");
+        if (result) Py_INCREF(result);
+        return result;
+    }
+    #else
+    return NULL;
+    #endif
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyObject *code_object = NULL, *py_py_line = NULL, *py_funcname = NULL, *dict = NULL;
+    PyObject *replace = NULL, *getframe = NULL, *frame = NULL;
+    PyObject *exc_type, *exc_value, *exc_traceback;
+    int success = 0;
+    if (c_line) {
+        (void) __pyx_cfilenm;
+        (void) __Pyx_CLineForTraceback(__Pyx_PyThreadState_Current, c_line);
+    }
+    PyErr_Fetch(&exc_type, &exc_value, &exc_traceback);
+    code_object = Py_CompileString("_getframe()", filename, Py_eval_input);
+    if (unlikely(!code_object)) goto bad;
+    py_py_line = PyLong_FromLong(py_line);
+    if (unlikely(!py_py_line)) goto bad;
+    py_funcname = PyUnicode_FromString(funcname);
+    if (unlikely(!py_funcname)) goto bad;
+    dict = PyDict_New();
+    if (unlikely(!dict)) goto bad;
+    {
+        PyObject *old_code_object = code_object;
+        code_object = __Pyx_PyCode_Replace_For_AddTraceback(code_object, dict, py_py_line, py_funcname);
+        Py_DECREF(old_code_object);
+    }
+    if (unlikely(!code_object)) goto bad;
+    getframe = PySys_GetObject("_getframe");
+    if (unlikely(!getframe)) goto bad;
+    if (unlikely(PyDict_SetItemString(dict, "_getframe", getframe))) goto bad;
+    frame = PyEval_EvalCode(code_object, dict, dict);
+    if (unlikely(!frame) || frame == Py_None) goto bad;
+    success = 1;
+  bad:
+    PyErr_Restore(exc_type, exc_value, exc_traceback);
+    Py_XDECREF(code_object);
+    Py_XDECREF(py_py_line);
+    Py_XDECREF(py_funcname);
+    Py_XDECREF(dict);
+    Py_XDECREF(replace);
+    if (success) {
+        PyTraceBack_Here(
+            (struct _frame*)frame);
+    }
+    Py_XDECREF(frame);
+}
+#else
 static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
             const char *funcname, int c_line,
             int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
+    PyCodeObject *py_code = NULL;
+    PyObject *py_funcname = NULL;
     #if PY_MAJOR_VERSION < 3
+    PyObject *py_srcfile = NULL;
     py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
     if (!py_srcfile) goto bad;
+    #endif
     if (c_line) {
         #if PY_MAJOR_VERSION < 3
         py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        if (!py_funcname) goto bad;
         #else
         py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        if (!py_funcname) goto bad;
+        funcname = PyUnicode_AsUTF8(py_funcname);
+        if (!funcname) goto bad;
         #endif
     }
     else {
         #if PY_MAJOR_VERSION < 3
         py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
+        if (!py_funcname) goto bad;
         #endif
     }
-    if (!py_funcname) goto bad;
+    #if PY_MAJOR_VERSION < 3
     py_code = __Pyx_PyCode_New(
         0,
         0,
         0,
         0,
         0,
+        0,
         __pyx_empty_bytes, /*PyObject *code,*/
         __pyx_empty_tuple, /*PyObject *consts,*/
         __pyx_empty_tuple, /*PyObject *names,*/
@@ -19076,11 +24534,16 @@ static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
         __pyx_empty_bytes  /*PyObject *lnotab*/
     );
     Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
+    #else
+    py_code = PyCode_NewEmpty(filename, funcname, py_line);
+    #endif
+    Py_XDECREF(py_funcname);
     return py_code;
 bad:
-    Py_XDECREF(py_srcfile);
     Py_XDECREF(py_funcname);
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(py_srcfile);
+    #endif
     return NULL;
 }
 static void __Pyx_AddTraceback(const char *funcname, int c_line,
@@ -19088,14 +24551,24 @@ static void __Pyx_AddTraceback(const char *funcname, int c_line,
     PyCodeObject *py_code = 0;
     PyFrameObject *py_frame = 0;
     PyThreadState *tstate = __Pyx_PyThreadState_Current;
+    PyObject *ptype, *pvalue, *ptraceback;
     if (c_line) {
         c_line = __Pyx_CLineForTraceback(tstate, c_line);
     }
     py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
     if (!py_code) {
+        __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
         py_code = __Pyx_CreateCodeObjectForTraceback(
             funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
+        if (!py_code) {
+            /* If the code object creation fails, then we should clear the
+               fetched exception references and propagate the new exception */
+            Py_XDECREF(ptype);
+            Py_XDECREF(pvalue);
+            Py_XDECREF(ptraceback);
+            goto bad;
+        }
+        __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
         __pyx_insert_code_object(c_line ? -c_line : py_line, py_code);
     }
     py_frame = PyFrame_New(
@@ -19111,13 +24584,19 @@ bad:
     Py_XDECREF(py_code);
     Py_XDECREF(py_frame);
 }
+#endif
 
 #if PY_MAJOR_VERSION < 3
 static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
+    __Pyx_TypeName obj_type_name;
     if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
         if (__Pyx_TypeCheck(obj, __pyx_array_type)) return __pyx_array_getbuffer(obj, view, flags);
         if (__Pyx_TypeCheck(obj, __pyx_memoryview_type)) return __pyx_memoryview_getbuffer(obj, view, flags);
-    PyErr_Format(PyExc_TypeError, "'%.200s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
+    obj_type_name = __Pyx_PyType_GetName(Py_TYPE(obj));
+    PyErr_Format(PyExc_TypeError,
+                 "'" __Pyx_FMT_TYPENAME "' does not have the buffer interface",
+                 obj_type_name);
+    __Pyx_DECREF_TypeName(obj_type_name);
     return -1;
 }
 static void __Pyx_ReleaseBuffer(Py_buffer *view) {
@@ -19192,19 +24671,6 @@ __pyx_slices_overlap(__Pyx_memviewslice *slice1,
     return (start1 < end2) && (start2 < end1);
 }
 
-/* Capsule */
-static CYTHON_INLINE PyObject *
-__pyx_capsule_create(void *p, CYTHON_UNUSED const char *sig)
-{
-    PyObject *cobj;
-#if PY_VERSION_HEX >= 0x02070000
-    cobj = PyCapsule_New(p, sig, NULL);
-#else
-    cobj = PyCObject_FromVoidPtr(p, NULL);
-#endif
-    return cobj;
-}
-
 /* IsLittleEndian */
 static CYTHON_INLINE int __Pyx_Is_Little_Endian(void)
 {
@@ -19292,7 +24758,7 @@ static const char* __Pyx_BufFmt_DescribeTypeChar(char ch, int is_complex) {
     case 'P': return "a pointer";
     case 's': case 'p': return "a string";
     case 0: return "end";
-    default: return "unparseable format string";
+    default: return "unparsable format string";
   }
 }
 static size_t __Pyx_BufFmt_TypeCharToStandardSize(char ch, int is_complex) {
@@ -19342,7 +24808,8 @@ typedef struct { char c; void *x; } __Pyx_st_void_p;
 #ifdef HAVE_LONG_LONG
 typedef struct { char c; PY_LONG_LONG x; } __Pyx_st_longlong;
 #endif
-static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, CYTHON_UNUSED int is_complex) {
+static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, int is_complex) {
+  CYTHON_UNUSED_VAR(is_complex);
   switch (ch) {
     case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
     case 'h': case 'H': return sizeof(__Pyx_st_short) - sizeof(short);
@@ -19374,7 +24841,8 @@ typedef struct { void *x; char c; } __Pyx_pad_void_p;
 #ifdef HAVE_LONG_LONG
 typedef struct { PY_LONG_LONG x; char c; } __Pyx_pad_longlong;
 #endif
-static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, CYTHON_UNUSED int is_complex) {
+static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, int is_complex) {
+  CYTHON_UNUSED_VAR(is_complex);
   switch (ch) {
     case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
     case 'h': case 'H': return sizeof(__Pyx_pad_short) - sizeof(short);
@@ -19539,7 +25007,7 @@ static int __Pyx_BufFmt_ProcessTypeChunk(__Pyx_BufFmt_Context* ctx) {
   ctx->is_complex = 0;
   return 0;
 }
-static PyObject *
+static int
 __pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
 {
     const char *ts = *tsp;
@@ -19548,9 +25016,9 @@ __pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
     if (ctx->new_count != 1) {
         PyErr_SetString(PyExc_ValueError,
                         "Cannot handle repeated arrays in format string");
-        return NULL;
+        return -1;
     }
-    if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+    if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return -1;
     ndim = ctx->head->field->type->ndim;
     while (*ts && *ts != ')') {
         switch (*ts) {
@@ -19558,29 +25026,35 @@ __pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
             default:  break;
         }
         number = __Pyx_BufFmt_ExpectNumber(&ts);
-        if (number == -1) return NULL;
-        if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i])
-            return PyErr_Format(PyExc_ValueError,
+        if (number == -1) return -1;
+        if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i]) {
+            PyErr_Format(PyExc_ValueError,
                         "Expected a dimension of size %zu, got %d",
                         ctx->head->field->type->arraysize[i], number);
-        if (*ts != ',' && *ts != ')')
-            return PyErr_Format(PyExc_ValueError,
+            return -1;
+        }
+        if (*ts != ',' && *ts != ')') {
+            PyErr_Format(PyExc_ValueError,
                                 "Expected a comma in format string, got '%c'", *ts);
+            return -1;
+        }
         if (*ts == ',') ts++;
         i++;
     }
-    if (i != ndim)
-        return PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
+    if (i != ndim) {
+        PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
                             ctx->head->field->type->ndim, i);
+        return -1;
+    }
     if (!*ts) {
         PyErr_SetString(PyExc_ValueError,
                         "Unexpected end of format string, expected ')'");
-        return NULL;
+        return -1;
     }
     ctx->is_valid_array = 1;
     ctx->new_count = 1;
     *tsp = ++ts;
-    return Py_None;
+    return 0;
 }
 static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts) {
   int got_Z = 0;
@@ -19706,7 +25180,7 @@ static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const cha
         ++ts;
         break;
       case '(':
-        if (!__pyx_buffmt_parse_array(ctx, &ts)) return NULL;
+        if (__pyx_buffmt_parse_array(ctx, &ts) < 0) return NULL;
         break;
       default:
         {
@@ -19814,8 +25288,9 @@ fail:
     return 0;
 }
 static int
-__pyx_check_suboffsets(Py_buffer *buf, int dim, CYTHON_UNUSED int ndim, int spec)
+__pyx_check_suboffsets(Py_buffer *buf, int dim, int ndim, int spec)
 {
+    CYTHON_UNUSED_VAR(ndim);
     if (spec & __Pyx_MEMVIEW_DIRECT) {
         if (unlikely(buf->suboffsets && buf->suboffsets[dim] >= 0)) {
             PyErr_Format(PyExc_ValueError,
@@ -20019,37 +25494,172 @@ __pyx_memoryview_copy_new_contig(const __Pyx_memviewslice *from_mvs,
         if(unlikely(!temp_int)) {
             goto fail;
         } else {
-            PyTuple_SET_ITEM(shape_tuple, i, temp_int);
-            temp_int = NULL;
+            PyTuple_SET_ITEM(shape_tuple, i, temp_int);
+            temp_int = NULL;
+        }
+    }
+    array_obj = __pyx_array_new(shape_tuple, sizeof_dtype, buf->format, (char *) mode, NULL);
+    if (unlikely(!array_obj)) {
+        goto fail;
+    }
+    __Pyx_GOTREF(array_obj);
+    memview_obj = (struct __pyx_memoryview_obj *) __pyx_memoryview_new(
+                                    (PyObject *) array_obj, contig_flag,
+                                    dtype_is_object,
+                                    from_mvs->memview->typeinfo);
+    if (unlikely(!memview_obj))
+        goto fail;
+    if (unlikely(__Pyx_init_memviewslice(memview_obj, ndim, &new_mvs, 1) < 0))
+        goto fail;
+    if (unlikely(__pyx_memoryview_copy_contents(*from_mvs, new_mvs, ndim, ndim,
+                                                dtype_is_object) < 0))
+        goto fail;
+    goto no_fail;
+fail:
+    __Pyx_XDECREF(new_mvs.memview);
+    new_mvs.memview = NULL;
+    new_mvs.data = NULL;
+no_fail:
+    __Pyx_XDECREF(shape_tuple);
+    __Pyx_XDECREF(temp_int);
+    __Pyx_XDECREF(array_obj);
+    __Pyx_RefNannyFinishContext();
+    return new_mvs;
+}
+
+/* MemviewSliceInit */
+  static int
+__Pyx_init_memviewslice(struct __pyx_memoryview_obj *memview,
+                        int ndim,
+                        __Pyx_memviewslice *memviewslice,
+                        int memview_is_new_reference)
+{
+    __Pyx_RefNannyDeclarations
+    int i, retval=-1;
+    Py_buffer *buf = &memview->view;
+    __Pyx_RefNannySetupContext("init_memviewslice", 0);
+    if (unlikely(memviewslice->memview || memviewslice->data)) {
+        PyErr_SetString(PyExc_ValueError,
+            "memviewslice is already initialized!");
+        goto fail;
+    }
+    if (buf->strides) {
+        for (i = 0; i < ndim; i++) {
+            memviewslice->strides[i] = buf->strides[i];
+        }
+    } else {
+        Py_ssize_t stride = buf->itemsize;
+        for (i = ndim - 1; i >= 0; i--) {
+            memviewslice->strides[i] = stride;
+            stride *= buf->shape[i];
+        }
+    }
+    for (i = 0; i < ndim; i++) {
+        memviewslice->shape[i]   = buf->shape[i];
+        if (buf->suboffsets) {
+            memviewslice->suboffsets[i] = buf->suboffsets[i];
+        } else {
+            memviewslice->suboffsets[i] = -1;
+        }
+    }
+    memviewslice->memview = memview;
+    memviewslice->data = (char *)buf->buf;
+    if (__pyx_add_acquisition_count(memview) == 0 && !memview_is_new_reference) {
+        Py_INCREF(memview);
+    }
+    retval = 0;
+    goto no_fail;
+fail:
+    memviewslice->memview = 0;
+    memviewslice->data = 0;
+    retval = -1;
+no_fail:
+    __Pyx_RefNannyFinishContext();
+    return retval;
+}
+#ifndef Py_NO_RETURN
+#define Py_NO_RETURN
+#endif
+static void __pyx_fatalerror(const char *fmt, ...) Py_NO_RETURN {
+    va_list vargs;
+    char msg[200];
+#if PY_VERSION_HEX >= 0x030A0000 || defined(HAVE_STDARG_PROTOTYPES)
+    va_start(vargs, fmt);
+#else
+    va_start(vargs);
+#endif
+    vsnprintf(msg, 200, fmt, vargs);
+    va_end(vargs);
+    Py_FatalError(msg);
+}
+static CYTHON_INLINE int
+__pyx_add_acquisition_count_locked(__pyx_atomic_int_type *acquisition_count,
+                                   PyThread_type_lock lock)
+{
+    int result;
+    PyThread_acquire_lock(lock, 1);
+    result = (*acquisition_count)++;
+    PyThread_release_lock(lock);
+    return result;
+}
+static CYTHON_INLINE int
+__pyx_sub_acquisition_count_locked(__pyx_atomic_int_type *acquisition_count,
+                                   PyThread_type_lock lock)
+{
+    int result;
+    PyThread_acquire_lock(lock, 1);
+    result = (*acquisition_count)--;
+    PyThread_release_lock(lock);
+    return result;
+}
+static CYTHON_INLINE void
+__Pyx_INC_MEMVIEW(__Pyx_memviewslice *memslice, int have_gil, int lineno)
+{
+    __pyx_nonatomic_int_type old_acquisition_count;
+    struct __pyx_memoryview_obj *memview = memslice->memview;
+    if (unlikely(!memview || (PyObject *) memview == Py_None)) {
+        return;
+    }
+    old_acquisition_count = __pyx_add_acquisition_count(memview);
+    if (unlikely(old_acquisition_count <= 0)) {
+        if (likely(old_acquisition_count == 0)) {
+            if (have_gil) {
+                Py_INCREF((PyObject *) memview);
+            } else {
+                PyGILState_STATE _gilstate = PyGILState_Ensure();
+                Py_INCREF((PyObject *) memview);
+                PyGILState_Release(_gilstate);
+            }
+        } else {
+            __pyx_fatalerror("Acquisition count is %d (line %d)",
+                             old_acquisition_count+1, lineno);
         }
     }
-    array_obj = __pyx_array_new(shape_tuple, sizeof_dtype, buf->format, (char *) mode, NULL);
-    if (unlikely(!array_obj)) {
-        goto fail;
+}
+static CYTHON_INLINE void __Pyx_XCLEAR_MEMVIEW(__Pyx_memviewslice *memslice,
+                                             int have_gil, int lineno) {
+    __pyx_nonatomic_int_type old_acquisition_count;
+    struct __pyx_memoryview_obj *memview = memslice->memview;
+    if (unlikely(!memview || (PyObject *) memview == Py_None)) {
+        memslice->memview = NULL;
+        return;
+    }
+    old_acquisition_count = __pyx_sub_acquisition_count(memview);
+    memslice->data = NULL;
+    if (likely(old_acquisition_count > 1)) {
+        memslice->memview = NULL;
+    } else if (likely(old_acquisition_count == 1)) {
+        if (have_gil) {
+            Py_CLEAR(memslice->memview);
+        } else {
+            PyGILState_STATE _gilstate = PyGILState_Ensure();
+            Py_CLEAR(memslice->memview);
+            PyGILState_Release(_gilstate);
+        }
+    } else {
+        __pyx_fatalerror("Acquisition count is %d (line %d)",
+                         old_acquisition_count-1, lineno);
     }
-    __Pyx_GOTREF(array_obj);
-    memview_obj = (struct __pyx_memoryview_obj *) __pyx_memoryview_new(
-                                    (PyObject *) array_obj, contig_flag,
-                                    dtype_is_object,
-                                    from_mvs->memview->typeinfo);
-    if (unlikely(!memview_obj))
-        goto fail;
-    if (unlikely(__Pyx_init_memviewslice(memview_obj, ndim, &new_mvs, 1) < 0))
-        goto fail;
-    if (unlikely(__pyx_memoryview_copy_contents(*from_mvs, new_mvs, ndim, ndim,
-                                                dtype_is_object) < 0))
-        goto fail;
-    goto no_fail;
-fail:
-    __Pyx_XDECREF(new_mvs.memview);
-    new_mvs.memview = NULL;
-    new_mvs.data = NULL;
-no_fail:
-    __Pyx_XDECREF(shape_tuple);
-    __Pyx_XDECREF(temp_int);
-    __Pyx_XDECREF(array_obj);
-    __Pyx_RefNannyFinishContext();
-    return new_mvs;
 }
 
 /* CIntToPy */
@@ -20085,8 +25695,34 @@ no_fail:
     {
         int one = 1; int little = (int)*(unsigned char *)&one;
         unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
         return _PyLong_FromByteArray(bytes, sizeof(int),
                                      little, !is_unsigned);
+#else
+        PyObject *from_bytes, *result = NULL;
+        PyObject *py_bytes = NULL, *arg_tuple = NULL, *kwds = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(int));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        arg_tuple = PyTuple_Pack(2, py_bytes, order_str);
+        if (!arg_tuple) goto limited_bad;
+        if (!is_unsigned) {
+            kwds = PyDict_New();
+            if (!kwds) goto limited_bad;
+            if (PyDict_SetItemString(kwds, "signed", __Pyx_NewRef(Py_True))) goto limited_bad;
+        }
+        result = PyObject_Call(from_bytes, arg_tuple, kwds);
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(arg_tuple);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
     }
 }
 
@@ -20103,7 +25739,7 @@ no_fail:
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
+        if ((sizeof(int) < sizeof(long))) {
             __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
         } else {
             long val = PyInt_AS_LONG(x);
@@ -20117,40 +25753,45 @@ no_fail:
     if (likely(PyLong_Check(x))) {
         if (is_unsigned) {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (int) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
-                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+            if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+                goto raise_neg_overflow;
+            } else if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(int, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_DigitCount(x)) {
+                    case 2:
+                        if ((8 * sizeof(int) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) >= 2 * PyLong_SHIFT)) {
+                                return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
-                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(int) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) >= 3 * PyLong_SHIFT)) {
+                                return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
-                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(int) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) >= 4 * PyLong_SHIFT)) {
+                                return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -20163,109 +25804,181 @@ no_fail:
                     goto raise_neg_overflow;
             }
 #endif
-            if (sizeof(int) <= sizeof(unsigned long)) {
+            if ((sizeof(int) <= sizeof(unsigned long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
+            } else if ((sizeof(int) <= sizeof(unsigned PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
 #endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (int) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+            if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(int, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                    case -2:
+                        if ((8 * sizeof(int) - 1 > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                                return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                            return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case 2:
+                        if ((8 * sizeof(int) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                                return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case -3:
+                        if ((8 * sizeof(int) - 1 > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                                return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                            return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(int) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                                return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case -4:
+                        if ((8 * sizeof(int) - 1 > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 4 * PyLong_SHIFT)) {
+                                return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
-                            return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(int) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(int) - 1 > 4 * PyLong_SHIFT)) {
+                                return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-            if (sizeof(int) <= sizeof(long)) {
+            if ((sizeof(int) <= sizeof(long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
+            } else if ((sizeof(int) <= sizeof(PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
 #endif
             }
         }
         {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
             int val;
             PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
+#if PY_MAJOR_VERSION < 3
             if (likely(v) && !PyLong_Check(v)) {
                 PyObject *tmp = v;
                 v = PyNumber_Long(tmp);
                 Py_DECREF(tmp);
             }
- #endif
+#endif
             if (likely(v)) {
+                int ret = -1;
+#if PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
                 int one = 1; int is_little = (int)*(unsigned char *)&one;
                 unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
+                ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                           bytes, sizeof(val),
+                                           is_little, !is_unsigned);
+#else
+                PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+                int bits, remaining_bits, is_negative = 0;
+                long idigit;
+                int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+                if (unlikely(!PyLong_CheckExact(v))) {
+                    PyObject *tmp = v;
+                    v = PyNumber_Long(v);
+                    assert(PyLong_CheckExact(v));
+                    Py_DECREF(tmp);
+                    if (unlikely(!v)) return (int) -1;
+                }
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                if (Py_SIZE(x) == 0)
+                    return (int) 0;
+                is_negative = Py_SIZE(x) < 0;
+#else
+                {
+                    int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+                    if (unlikely(result < 0))
+                        return (int) -1;
+                    is_negative = result == 1;
+                }
+#endif
+                if (is_unsigned && unlikely(is_negative)) {
+                    goto raise_neg_overflow;
+                } else if (is_negative) {
+                    stepval = PyNumber_Invert(v);
+                    if (unlikely(!stepval))
+                        return (int) -1;
+                } else {
+                    stepval = __Pyx_NewRef(v);
+                }
+                val = (int) 0;
+                mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+                shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+                for (bits = 0; bits < (int) sizeof(int) * 8 - chunk_size; bits += chunk_size) {
+                    PyObject *tmp, *digit;
+                    digit = PyNumber_And(stepval, mask);
+                    if (unlikely(!digit)) goto done;
+                    idigit = PyLong_AsLong(digit);
+                    Py_DECREF(digit);
+                    if (unlikely(idigit < 0)) goto done;
+                    tmp = PyNumber_Rshift(stepval, shift);
+                    if (unlikely(!tmp)) goto done;
+                    Py_DECREF(stepval); stepval = tmp;
+                    val |= ((int) idigit) << bits;
+                    #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                    if (Py_SIZE(stepval) == 0)
+                        goto unpacking_done;
+                    #endif
+                }
+                idigit = PyLong_AsLong(stepval);
+                if (unlikely(idigit < 0)) goto done;
+                remaining_bits = ((int) sizeof(int) * 8) - bits - (is_unsigned ? 0 : 1);
+                if (unlikely(idigit >= (1L << remaining_bits)))
+                    goto raise_overflow;
+                val |= ((int) idigit) << bits;
+            #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+            unpacking_done:
+            #endif
+                if (!is_unsigned) {
+                    if (unlikely(val & (((int) 1) << (sizeof(int) * 8 - 1))))
+                        goto raise_overflow;
+                    if (is_negative)
+                        val = ~val;
+                }
+                ret = 0;
+            done:
+                Py_XDECREF(shift);
+                Py_XDECREF(mask);
+                Py_XDECREF(stepval);
+#endif
                 Py_DECREF(v);
                 if (likely(!ret))
                     return val;
             }
-#endif
             return (int) -1;
         }
     } else {
@@ -20299,7 +26012,7 @@ raise_neg_overflow:
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
+        if ((sizeof(long) < sizeof(long))) {
             __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
         } else {
             long val = PyInt_AS_LONG(x);
@@ -20313,40 +26026,45 @@ raise_neg_overflow:
     if (likely(PyLong_Check(x))) {
         if (is_unsigned) {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (long) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
-                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+            if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+                goto raise_neg_overflow;
+            } else if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(long, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_DigitCount(x)) {
+                    case 2:
+                        if ((8 * sizeof(long) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) >= 2 * PyLong_SHIFT)) {
+                                return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
-                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(long) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) >= 3 * PyLong_SHIFT)) {
+                                return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
-                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(long) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) >= 4 * PyLong_SHIFT)) {
+                                return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -20359,109 +26077,181 @@ raise_neg_overflow:
                     goto raise_neg_overflow;
             }
 #endif
-            if (sizeof(long) <= sizeof(unsigned long)) {
+            if ((sizeof(long) <= sizeof(unsigned long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
+            } else if ((sizeof(long) <= sizeof(unsigned PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
 #endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (long) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+            if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(long, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                    case -2:
+                        if ((8 * sizeof(long) - 1 > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                                return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                            return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case 2:
+                        if ((8 * sizeof(long) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                                return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case -3:
+                        if ((8 * sizeof(long) - 1 > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                                return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                            return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(long) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                                return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case -4:
+                        if ((8 * sizeof(long) - 1 > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 4 * PyLong_SHIFT)) {
+                                return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                            return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(long) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(long) - 1 > 4 * PyLong_SHIFT)) {
+                                return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-            if (sizeof(long) <= sizeof(long)) {
+            if ((sizeof(long) <= sizeof(long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
+            } else if ((sizeof(long) <= sizeof(PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
 #endif
             }
         }
         {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
             long val;
             PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
+#if PY_MAJOR_VERSION < 3
             if (likely(v) && !PyLong_Check(v)) {
                 PyObject *tmp = v;
                 v = PyNumber_Long(tmp);
                 Py_DECREF(tmp);
             }
- #endif
+#endif
             if (likely(v)) {
+                int ret = -1;
+#if PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
                 int one = 1; int is_little = (int)*(unsigned char *)&one;
                 unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
+                ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                           bytes, sizeof(val),
+                                           is_little, !is_unsigned);
+#else
+                PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+                int bits, remaining_bits, is_negative = 0;
+                long idigit;
+                int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+                if (unlikely(!PyLong_CheckExact(v))) {
+                    PyObject *tmp = v;
+                    v = PyNumber_Long(v);
+                    assert(PyLong_CheckExact(v));
+                    Py_DECREF(tmp);
+                    if (unlikely(!v)) return (long) -1;
+                }
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                if (Py_SIZE(x) == 0)
+                    return (long) 0;
+                is_negative = Py_SIZE(x) < 0;
+#else
+                {
+                    int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+                    if (unlikely(result < 0))
+                        return (long) -1;
+                    is_negative = result == 1;
+                }
+#endif
+                if (is_unsigned && unlikely(is_negative)) {
+                    goto raise_neg_overflow;
+                } else if (is_negative) {
+                    stepval = PyNumber_Invert(v);
+                    if (unlikely(!stepval))
+                        return (long) -1;
+                } else {
+                    stepval = __Pyx_NewRef(v);
+                }
+                val = (long) 0;
+                mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+                shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+                for (bits = 0; bits < (int) sizeof(long) * 8 - chunk_size; bits += chunk_size) {
+                    PyObject *tmp, *digit;
+                    digit = PyNumber_And(stepval, mask);
+                    if (unlikely(!digit)) goto done;
+                    idigit = PyLong_AsLong(digit);
+                    Py_DECREF(digit);
+                    if (unlikely(idigit < 0)) goto done;
+                    tmp = PyNumber_Rshift(stepval, shift);
+                    if (unlikely(!tmp)) goto done;
+                    Py_DECREF(stepval); stepval = tmp;
+                    val |= ((long) idigit) << bits;
+                    #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                    if (Py_SIZE(stepval) == 0)
+                        goto unpacking_done;
+                    #endif
+                }
+                idigit = PyLong_AsLong(stepval);
+                if (unlikely(idigit < 0)) goto done;
+                remaining_bits = ((int) sizeof(long) * 8) - bits - (is_unsigned ? 0 : 1);
+                if (unlikely(idigit >= (1L << remaining_bits)))
+                    goto raise_overflow;
+                val |= ((long) idigit) << bits;
+            #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+            unpacking_done:
+            #endif
+                if (!is_unsigned) {
+                    if (unlikely(val & (((long) 1) << (sizeof(long) * 8 - 1))))
+                        goto raise_overflow;
+                    if (is_negative)
+                        val = ~val;
+                }
+                ret = 0;
+            done:
+                Py_XDECREF(shift);
+                Py_XDECREF(mask);
+                Py_XDECREF(stepval);
+#endif
                 Py_DECREF(v);
                 if (likely(!ret))
                     return val;
             }
-#endif
             return (long) -1;
         }
     } else {
@@ -20515,8 +26305,34 @@ raise_neg_overflow:
     {
         int one = 1; int little = (int)*(unsigned char *)&one;
         unsigned char *bytes = (unsigned char *)&value;
+#if !CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030d0000
         return _PyLong_FromByteArray(bytes, sizeof(long),
                                      little, !is_unsigned);
+#else
+        PyObject *from_bytes, *result = NULL;
+        PyObject *py_bytes = NULL, *arg_tuple = NULL, *kwds = NULL, *order_str = NULL;
+        from_bytes = PyObject_GetAttrString((PyObject*)&PyLong_Type, "from_bytes");
+        if (!from_bytes) return NULL;
+        py_bytes = PyBytes_FromStringAndSize((char*)bytes, sizeof(long));
+        if (!py_bytes) goto limited_bad;
+        order_str = PyUnicode_FromString(little ? "little" : "big");
+        if (!order_str) goto limited_bad;
+        arg_tuple = PyTuple_Pack(2, py_bytes, order_str);
+        if (!arg_tuple) goto limited_bad;
+        if (!is_unsigned) {
+            kwds = PyDict_New();
+            if (!kwds) goto limited_bad;
+            if (PyDict_SetItemString(kwds, "signed", __Pyx_NewRef(Py_True))) goto limited_bad;
+        }
+        result = PyObject_Call(from_bytes, arg_tuple, kwds);
+        limited_bad:
+        Py_XDECREF(kwds);
+        Py_XDECREF(arg_tuple);
+        Py_XDECREF(order_str);
+        Py_XDECREF(py_bytes);
+        Py_XDECREF(from_bytes);
+        return result;
+#endif
     }
 }
 
@@ -20533,7 +26349,7 @@ raise_neg_overflow:
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
     if (likely(PyInt_Check(x))) {
-        if (sizeof(char) < sizeof(long)) {
+        if ((sizeof(char) < sizeof(long))) {
             __PYX_VERIFY_RETURN_INT(char, long, PyInt_AS_LONG(x))
         } else {
             long val = PyInt_AS_LONG(x);
@@ -20547,40 +26363,45 @@ raise_neg_overflow:
     if (likely(PyLong_Check(x))) {
         if (is_unsigned) {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (char) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(char, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(char) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) >= 2 * PyLong_SHIFT) {
-                            return (char) (((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+            if (unlikely(__Pyx_PyLong_IsNeg(x))) {
+                goto raise_neg_overflow;
+            } else if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(char, __Pyx_compact_upylong, __Pyx_PyLong_CompactValueUnsigned(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_DigitCount(x)) {
+                    case 2:
+                        if ((8 * sizeof(char) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) >= 2 * PyLong_SHIFT)) {
+                                return (char) (((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(char) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) >= 3 * PyLong_SHIFT) {
-                            return (char) (((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(char) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) >= 3 * PyLong_SHIFT)) {
+                                return (char) (((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(char) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) >= 4 * PyLong_SHIFT) {
-                            return (char) (((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(char) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) >= 4 * PyLong_SHIFT)) {
+                                return (char) (((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0]));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -20593,109 +26414,181 @@ raise_neg_overflow:
                     goto raise_neg_overflow;
             }
 #endif
-            if (sizeof(char) <= sizeof(unsigned long)) {
+            if ((sizeof(char) <= sizeof(unsigned long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(char, unsigned long, PyLong_AsUnsignedLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(char) <= sizeof(unsigned PY_LONG_LONG)) {
+            } else if ((sizeof(char) <= sizeof(unsigned PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(char, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
 #endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (char) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(char, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(char,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(char) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 2 * PyLong_SHIFT) {
-                            return (char) (((char)-1)*(((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+            if (__Pyx_PyLong_IsCompact(x)) {
+                __PYX_VERIFY_RETURN_INT(char, __Pyx_compact_pylong, __Pyx_PyLong_CompactValue(x))
+            } else {
+                const digit* digits = __Pyx_PyLong_Digits(x);
+                assert(__Pyx_PyLong_DigitCount(x) > 1);
+                switch (__Pyx_PyLong_SignedDigitCount(x)) {
+                    case -2:
+                        if ((8 * sizeof(char) - 1 > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 2 * PyLong_SHIFT)) {
+                                return (char) (((char)-1)*(((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(char) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 2 * PyLong_SHIFT) {
-                            return (char) ((((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case 2:
+                        if ((8 * sizeof(char) > 1 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 2 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 2 * PyLong_SHIFT)) {
+                                return (char) ((((((char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(char) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 3 * PyLong_SHIFT) {
-                            return (char) (((char)-1)*(((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case -3:
+                        if ((8 * sizeof(char) - 1 > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 3 * PyLong_SHIFT)) {
+                                return (char) (((char)-1)*(((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(char) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 3 * PyLong_SHIFT) {
-                            return (char) ((((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case 3:
+                        if ((8 * sizeof(char) > 2 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 3 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 3 * PyLong_SHIFT)) {
+                                return (char) ((((((((char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(char) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 4 * PyLong_SHIFT) {
-                            return (char) (((char)-1)*(((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case -4:
+                        if ((8 * sizeof(char) - 1 > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 4 * PyLong_SHIFT)) {
+                                return (char) (((char)-1)*(((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(char) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(char) - 1 > 4 * PyLong_SHIFT) {
-                            return (char) ((((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                        break;
+                    case 4:
+                        if ((8 * sizeof(char) > 3 * PyLong_SHIFT)) {
+                            if ((8 * sizeof(unsigned long) > 4 * PyLong_SHIFT)) {
+                                __PYX_VERIFY_RETURN_INT(char, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
+                            } else if ((8 * sizeof(char) - 1 > 4 * PyLong_SHIFT)) {
+                                return (char) ((((((((((char)digits[3]) << PyLong_SHIFT) | (char)digits[2]) << PyLong_SHIFT) | (char)digits[1]) << PyLong_SHIFT) | (char)digits[0])));
+                            }
                         }
-                    }
-                    break;
+                        break;
+                }
             }
 #endif
-            if (sizeof(char) <= sizeof(long)) {
+            if ((sizeof(char) <= sizeof(long))) {
                 __PYX_VERIFY_RETURN_INT_EXC(char, long, PyLong_AsLong(x))
 #ifdef HAVE_LONG_LONG
-            } else if (sizeof(char) <= sizeof(PY_LONG_LONG)) {
+            } else if ((sizeof(char) <= sizeof(PY_LONG_LONG))) {
                 __PYX_VERIFY_RETURN_INT_EXC(char, PY_LONG_LONG, PyLong_AsLongLong(x))
 #endif
             }
         }
         {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
             char val;
             PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
+#if PY_MAJOR_VERSION < 3
             if (likely(v) && !PyLong_Check(v)) {
                 PyObject *tmp = v;
                 v = PyNumber_Long(tmp);
                 Py_DECREF(tmp);
             }
- #endif
+#endif
             if (likely(v)) {
+                int ret = -1;
+#if PY_VERSION_HEX < 0x030d0000 && !(CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_LIMITED_API) || defined(_PyLong_AsByteArray)
                 int one = 1; int is_little = (int)*(unsigned char *)&one;
                 unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
+                ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                           bytes, sizeof(val),
+                                           is_little, !is_unsigned);
+#else
+                PyObject *stepval = NULL, *mask = NULL, *shift = NULL;
+                int bits, remaining_bits, is_negative = 0;
+                long idigit;
+                int chunk_size = (sizeof(long) < 8) ? 30 : 62;
+                if (unlikely(!PyLong_CheckExact(v))) {
+                    PyObject *tmp = v;
+                    v = PyNumber_Long(v);
+                    assert(PyLong_CheckExact(v));
+                    Py_DECREF(tmp);
+                    if (unlikely(!v)) return (char) -1;
+                }
+#if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                if (Py_SIZE(x) == 0)
+                    return (char) 0;
+                is_negative = Py_SIZE(x) < 0;
+#else
+                {
+                    int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
+                    if (unlikely(result < 0))
+                        return (char) -1;
+                    is_negative = result == 1;
+                }
+#endif
+                if (is_unsigned && unlikely(is_negative)) {
+                    goto raise_neg_overflow;
+                } else if (is_negative) {
+                    stepval = PyNumber_Invert(v);
+                    if (unlikely(!stepval))
+                        return (char) -1;
+                } else {
+                    stepval = __Pyx_NewRef(v);
+                }
+                val = (char) 0;
+                mask = PyLong_FromLong((1L << chunk_size) - 1); if (unlikely(!mask)) goto done;
+                shift = PyLong_FromLong(chunk_size); if (unlikely(!shift)) goto done;
+                for (bits = 0; bits < (int) sizeof(char) * 8 - chunk_size; bits += chunk_size) {
+                    PyObject *tmp, *digit;
+                    digit = PyNumber_And(stepval, mask);
+                    if (unlikely(!digit)) goto done;
+                    idigit = PyLong_AsLong(digit);
+                    Py_DECREF(digit);
+                    if (unlikely(idigit < 0)) goto done;
+                    tmp = PyNumber_Rshift(stepval, shift);
+                    if (unlikely(!tmp)) goto done;
+                    Py_DECREF(stepval); stepval = tmp;
+                    val |= ((char) idigit) << bits;
+                    #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+                    if (Py_SIZE(stepval) == 0)
+                        goto unpacking_done;
+                    #endif
+                }
+                idigit = PyLong_AsLong(stepval);
+                if (unlikely(idigit < 0)) goto done;
+                remaining_bits = ((int) sizeof(char) * 8) - bits - (is_unsigned ? 0 : 1);
+                if (unlikely(idigit >= (1L << remaining_bits)))
+                    goto raise_overflow;
+                val |= ((char) idigit) << bits;
+            #if CYTHON_COMPILING_IN_LIMITED_API && PY_VERSION_HEX < 0x030B0000
+            unpacking_done:
+            #endif
+                if (!is_unsigned) {
+                    if (unlikely(val & (((char) 1) << (sizeof(char) * 8 - 1))))
+                        goto raise_overflow;
+                    if (is_negative)
+                        val = ~val;
+                }
+                ret = 0;
+            done:
+                Py_XDECREF(shift);
+                Py_XDECREF(mask);
+                Py_XDECREF(stepval);
+#endif
                 Py_DECREF(v);
                 if (likely(!ret))
                     return val;
             }
-#endif
             return (char) -1;
         }
     } else {
@@ -20716,26 +26609,95 @@ raise_neg_overflow:
     return (char) -1;
 }
 
+/* FormatTypeName */
+  #if CYTHON_COMPILING_IN_LIMITED_API
+static __Pyx_TypeName
+__Pyx_PyType_GetName(PyTypeObject* tp)
+{
+    PyObject *name = __Pyx_PyObject_GetAttrStr((PyObject *)tp,
+                                               __pyx_n_s_name_2);
+    if (unlikely(name == NULL) || unlikely(!PyUnicode_Check(name))) {
+        PyErr_Clear();
+        Py_XDECREF(name);
+        name = __Pyx_NewRef(__pyx_n_s__22);
+    }
+    return name;
+}
+#endif
+
 /* CheckBinaryVersion */
-  static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
+  static unsigned long __Pyx_get_runtime_version(void) {
+#if __PYX_LIMITED_VERSION_HEX >= 0x030B00A4
+    return Py_Version & ~0xFFUL;
+#else
+    const char* rt_version = Py_GetVersion();
+    unsigned long version = 0;
+    unsigned long factor = 0x01000000UL;
+    unsigned int digit = 0;
+    int i = 0;
+    while (factor) {
+        while ('0' <= rt_version[i] && rt_version[i] <= '9') {
+            digit = digit * 10 + (unsigned int) (rt_version[i] - '0');
+            ++i;
+        }
+        version += factor * digit;
+        if (rt_version[i] != '.')
+            break;
+        digit = 0;
+        factor >>= 8;
+        ++i;
+    }
+    return version;
+#endif
+}
+static int __Pyx_check_binary_version(unsigned long ct_version, unsigned long rt_version, int allow_newer) {
+    const unsigned long MAJOR_MINOR = 0xFFFF0000UL;
+    if ((rt_version & MAJOR_MINOR) == (ct_version & MAJOR_MINOR))
+        return 0;
+    if (likely(allow_newer && (rt_version & MAJOR_MINOR) > (ct_version & MAJOR_MINOR)))
+        return 1;
+    {
         char message[200];
         PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
+                      "compile time Python version %d.%d "
+                      "of module '%.100s' "
+                      "%s "
+                      "runtime version %d.%d",
+                       (int) (ct_version >> 24), (int) ((ct_version >> 16) & 0xFF),
+                       __Pyx_MODULE_NAME,
+                       (allow_newer) ? "was newer than" : "does not match",
+                       (int) (rt_version >> 24), (int) ((rt_version >> 16) & 0xFF)
+       );
         return PyErr_WarnEx(NULL, message, 1);
     }
-    return 0;
 }
 
 /* InitStrings */
-  static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
+  #if PY_MAJOR_VERSION >= 3
+static int __Pyx_InitString(__Pyx_StringTabEntry t, PyObject **str) {
+    if (t.is_unicode | t.is_str) {
+        if (t.intern) {
+            *str = PyUnicode_InternFromString(t.s);
+        } else if (t.encoding) {
+            *str = PyUnicode_Decode(t.s, t.n - 1, t.encoding, NULL);
+        } else {
+            *str = PyUnicode_FromStringAndSize(t.s, t.n - 1);
+        }
+    } else {
+        *str = PyBytes_FromStringAndSize(t.s, t.n - 1);
+    }
+    if (!*str)
+        return -1;
+    if (PyObject_Hash(*str) == -1)
+        return -1;
+    return 0;
+}
+#endif
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
     while (t->p) {
-        #if PY_MAJOR_VERSION < 3
+        #if PY_MAJOR_VERSION >= 3
+        __Pyx_InitString(*t, t->p);
+        #else
         if (t->is_unicode) {
             *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
         } else if (t->intern) {
@@ -20743,30 +26705,34 @@ raise_neg_overflow:
         } else {
             *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
         }
-        #else
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
         if (!*t->p)
             return -1;
         if (PyObject_Hash(*t->p) == -1)
             return -1;
+        #endif
         ++t;
     }
     return 0;
 }
 
+#include <string.h>
+static CYTHON_INLINE Py_ssize_t __Pyx_ssize_strlen(const char *s) {
+    size_t len = strlen(s);
+    if (unlikely(len > (size_t) PY_SSIZE_T_MAX)) {
+        PyErr_SetString(PyExc_OverflowError, "byte string is too long");
+        return -1;
+    }
+    return (Py_ssize_t) len;
+}
 static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
+    Py_ssize_t len = __Pyx_ssize_strlen(c_str);
+    if (unlikely(len < 0)) return NULL;
+    return __Pyx_PyUnicode_FromStringAndSize(c_str, len);
+}
+static CYTHON_INLINE PyObject* __Pyx_PyByteArray_FromString(const char* c_str) {
+    Py_ssize_t len = __Pyx_ssize_strlen(c_str);
+    if (unlikely(len < 0)) return NULL;
+    return PyByteArray_FromStringAndSize(c_str, len);
 }
 static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) {
     Py_ssize_t ignore;
@@ -20821,7 +26787,7 @@ static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_
         return __Pyx_PyUnicode_AsStringAndSize(o, length);
     } else
 #endif
-#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
+#if (!CYTHON_COMPILING_IN_PYPY && !CYTHON_COMPILING_IN_LIMITED_API) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
     if (PyByteArray_Check(o)) {
         *length = PyByteArray_GET_SIZE(o);
         return PyByteArray_AS_STRING(o);
@@ -20850,22 +26816,26 @@ static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) {
     return retval;
 }
 static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) {
+    __Pyx_TypeName result_type_name = __Pyx_PyType_GetName(Py_TYPE(result));
 #if PY_MAJOR_VERSION >= 3
     if (PyLong_Check(result)) {
         if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
-                "__int__ returned non-int (type %.200s).  "
-                "The ability to return an instance of a strict subclass of int "
-                "is deprecated, and may be removed in a future version of Python.",
-                Py_TYPE(result)->tp_name)) {
+                "__int__ returned non-int (type " __Pyx_FMT_TYPENAME ").  "
+                "The ability to return an instance of a strict subclass of int is deprecated, "
+                "and may be removed in a future version of Python.",
+                result_type_name)) {
+            __Pyx_DECREF_TypeName(result_type_name);
             Py_DECREF(result);
             return NULL;
         }
+        __Pyx_DECREF_TypeName(result_type_name);
         return result;
     }
 #endif
     PyErr_Format(PyExc_TypeError,
-                 "__%.4s__ returned non-%.4s (type %.200s)",
-                 type_name, type_name, Py_TYPE(result)->tp_name);
+                 "__%.4s__ returned non-%.4s (type " __Pyx_FMT_TYPENAME ")",
+                 type_name, type_name, result_type_name);
+    __Pyx_DECREF_TypeName(result_type_name);
     Py_DECREF(result);
     return NULL;
 }
@@ -20931,13 +26901,11 @@ static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
 #endif
   if (likely(PyLong_CheckExact(b))) {
     #if CYTHON_USE_PYLONG_INTERNALS
-    const digit* digits = ((PyLongObject*)b)->ob_digit;
-    const Py_ssize_t size = Py_SIZE(b);
-    if (likely(__Pyx_sst_abs(size) <= 1)) {
-        ival = likely(size) ? digits[0] : 0;
-        if (size == -1) ival = -ival;
-        return ival;
+    if (likely(__Pyx_PyLong_IsCompact(b))) {
+        return __Pyx_PyLong_CompactValue(b);
     } else {
+      const digit* digits = __Pyx_PyLong_Digits(b);
+      const Py_ssize_t size = __Pyx_PyLong_SignedDigitCount(b);
       switch (size) {
          case 2:
            if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
@@ -20980,6 +26948,23 @@ static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
   Py_DECREF(x);
   return ival;
 }
+static CYTHON_INLINE Py_hash_t __Pyx_PyIndex_AsHash_t(PyObject* o) {
+  if (sizeof(Py_hash_t) == sizeof(Py_ssize_t)) {
+    return (Py_hash_t) __Pyx_PyIndex_AsSsize_t(o);
+#if PY_MAJOR_VERSION < 3
+  } else if (likely(PyInt_CheckExact(o))) {
+    return PyInt_AS_LONG(o);
+#endif
+  } else {
+    Py_ssize_t ival;
+    PyObject *x;
+    x = PyNumber_Index(o);
+    if (!x) return -1;
+    ival = PyInt_AsLong(x);
+    Py_DECREF(x);
+    return ival;
+  }
+}
 static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) {
   return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False);
 }
@@ -20988,4 +26973,12 @@ static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
 }
 
 
+/* #### Code section: utility_code_pragmas_end ### */
+#ifdef _MSC_VER
+#pragma warning( pop )
+#endif
+
+
+
+/* #### Code section: end ### */
 #endif /* Py_PYTHON_H */
-- 
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