text: /* Generated by Cython 0.25.1 */
  
  /* BEGIN: Cython Metadata
  {
      "distutils": {
          "depends": []
      }, 
      "module_name": "skimage.feature.brief_cy"
  }
  END: Cython Metadata */
  
  #define PY_SSIZE_T_CLEAN
  #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 < 0x03020000)
      #error Cython requires Python 2.6+ or Python 3.2+.
  #else
  #define CYTHON_ABI "0_25_1"
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    #if PY_VERSION_HEX >= 0x03030000 || (PY_MAJOR_VERSION == 2 && PY_VERSION_HEX >= 0x02070000)
      #define HAVE_LONG_LONG
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    #define PY_LONG_LONG LONG_LONG
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  #ifndef Py_HUGE_VAL
    #define Py_HUGE_VAL HUGE_VAL
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    #define CYTHON_COMPILING_IN_PYPY 1
    #define CYTHON_COMPILING_IN_PYSTON 0
    #define CYTHON_COMPILING_IN_CPYTHON 0
    #undef CYTHON_USE_TYPE_SLOTS
    #define CYTHON_USE_TYPE_SLOTS 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
    #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_PYCALL
    #define CYTHON_FAST_PYCALL 0
  #elif defined(PYSTON_VERSION)
    #define CYTHON_COMPILING_IN_PYPY 0
    #define CYTHON_COMPILING_IN_PYSTON 1
    #define CYTHON_COMPILING_IN_CPYTHON 0
    #ifndef CYTHON_USE_TYPE_SLOTS
      #define CYTHON_USE_TYPE_SLOTS 1
    #endif
    #undef CYTHON_USE_ASYNC_SLOTS
    #define CYTHON_USE_ASYNC_SLOTS 0
    #undef CYTHON_USE_PYLIST_INTERNALS
    #define CYTHON_USE_PYLIST_INTERNALS 0
    #ifndef CYTHON_USE_UNICODE_INTERNALS
      #define CYTHON_USE_UNICODE_INTERNALS 1
    #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
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    #ifndef CYTHON_ASSUME_SAFE_MACROS
      #define CYTHON_ASSUME_SAFE_MACROS 1
    #endif
    #ifndef CYTHON_UNPACK_METHODS
      #define CYTHON_UNPACK_METHODS 1
    #endif
    #undef CYTHON_FAST_THREAD_STATE
    #define CYTHON_FAST_THREAD_STATE 0
    #undef CYTHON_FAST_PYCALL
    #define CYTHON_FAST_PYCALL 0
  #else
    #define CYTHON_COMPILING_IN_PYPY 0
    #define CYTHON_COMPILING_IN_PYSTON 0
    #define CYTHON_COMPILING_IN_CPYTHON 1
    #ifndef CYTHON_USE_TYPE_SLOTS
      #define CYTHON_USE_TYPE_SLOTS 1
    #endif
    #if PY_MAJOR_VERSION < 3
      #undef CYTHON_USE_ASYNC_SLOTS
      #define CYTHON_USE_ASYNC_SLOTS 0
    #elif !defined(CYTHON_USE_ASYNC_SLOTS)
      #define CYTHON_USE_ASYNC_SLOTS 1
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    #if PY_VERSION_HEX < 0x02070000
      #undef CYTHON_USE_PYLONG_INTERNALS
      #define CYTHON_USE_PYLONG_INTERNALS 0
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      #define CYTHON_USE_PYLONG_INTERNALS 1
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    #ifndef CYTHON_USE_PYLIST_INTERNALS
      #define CYTHON_USE_PYLIST_INTERNALS 1
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    #ifndef CYTHON_USE_UNICODE_INTERNALS
      #define CYTHON_USE_UNICODE_INTERNALS 1
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    #if PY_VERSION_HEX < 0x030300F0
      #undef CYTHON_USE_UNICODE_WRITER
      #define CYTHON_USE_UNICODE_WRITER 0
    #elif !defined(CYTHON_USE_UNICODE_WRITER)
      #define CYTHON_USE_UNICODE_WRITER 1
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    #ifndef CYTHON_AVOID_BORROWED_REFS
      #define CYTHON_AVOID_BORROWED_REFS 0
    #endif
    #ifndef CYTHON_ASSUME_SAFE_MACROS
      #define CYTHON_ASSUME_SAFE_MACROS 1
    #endif
    #ifndef CYTHON_UNPACK_METHODS
      #define CYTHON_UNPACK_METHODS 1
    #endif
    #ifndef CYTHON_FAST_THREAD_STATE
      #define CYTHON_FAST_THREAD_STATE 1
    #endif
    #ifndef CYTHON_FAST_PYCALL
      #define CYTHON_FAST_PYCALL 1
    #endif
  #endif
  #if !defined(CYTHON_FAST_PYCCALL)
  #define CYTHON_FAST_PYCCALL  (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1)
  #endif
  #if CYTHON_USE_PYLONG_INTERNALS
    #include "longintrepr.h"
    #undef SHIFT
    #undef BASE
    #undef MASK
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  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
    #define Py_OptimizeFlag 0
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  #define __PYX_BUILD_PY_SSIZE_T "n"
  #define CYTHON_FORMAT_SSIZE_T "z"
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    #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
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    #define __Pyx_BUILTIN_MODULE_NAME "builtins"
    #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)
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    #define Py_TPFLAGS_CHECKTYPES 0
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  #ifndef Py_TPFLAGS_HAVE_INDEX
    #define Py_TPFLAGS_HAVE_INDEX 0
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  #ifndef Py_TPFLAGS_HAVE_NEWBUFFER
    #define Py_TPFLAGS_HAVE_NEWBUFFER 0
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  #ifndef Py_TPFLAGS_HAVE_FINALIZE
    #define Py_TPFLAGS_HAVE_FINALIZE 0
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    #define METH_FASTCALL 0x80
    typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject **args,
                                                Py_ssize_t nargs, PyObject *kwnames);
  #else
    #define __Pyx_PyCFunctionFast _PyCFunctionFast
  #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)))
  #else
  #define __Pyx_PyFastCFunction_Check(func) 0
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  #if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
    #define CYTHON_PEP393_ENABLED 1
    #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
                                                0 : _PyUnicode_Ready((PyObject *)(op)))
    #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_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)
    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
  #else
    #define CYTHON_PEP393_ENABLED 0
    #define PyUnicode_1BYTE_KIND  1
    #define PyUnicode_2BYTE_KIND  2
    #define PyUnicode_4BYTE_KIND  4
    #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_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_IS_TRUE(u)      (0 != PyUnicode_GET_SIZE(u))
  #endif
  #if CYTHON_COMPILING_IN_PYPY
    #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
    #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
  #else
    #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
    #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)
  #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_PYSTON
    #define __Pyx_PyCode_HasFreeVars(co)  PyCode_HasFreeVars(co)
    #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno)
  #else
    #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
    #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
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  #define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
  #define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
  #if PY_MAJOR_VERSION >= 3
    #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
  #else
    #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
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  #if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII)
    #define PyObject_ASCII(o)            PyObject_Repr(o)
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  #if PY_MAJOR_VERSION >= 3
    #define PyBaseString_Type            PyUnicode_Type
    #define PyStringObject               PyUnicodeObject
    #define PyString_Type                PyUnicode_Type
    #define PyString_Check               PyUnicode_Check
    #define PyString_CheckExact          PyUnicode_CheckExact
  #endif
  #if PY_MAJOR_VERSION >= 3
    #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
    #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
  #else
    #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
    #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
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    #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
  #endif
  #define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
  #define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)
  #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 PyInt_FromString             PyLong_FromString
    #define PyInt_FromUnicode            PyLong_FromUnicode
    #define PyInt_FromLong               PyLong_FromLong
    #define PyInt_FromSize_t             PyLong_FromSize_t
    #define PyInt_FromSsize_t            PyLong_FromSsize_t
    #define PyInt_AsLong                 PyLong_AsLong
    #define PyInt_AS_LONG                PyLong_AS_LONG
    #define PyInt_AsSsize_t              PyLong_AsSsize_t
    #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
    #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
    #define PyNumber_Int                 PyNumber_Long
  #endif
  #if PY_MAJOR_VERSION >= 3
    #define PyBoolObject                 PyLongObject
  #endif
  #if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY
    #ifndef PyUnicode_InternFromString
      #define PyUnicode_InternFromString(s) PyUnicode_FromString(s)
    #endif
  #endif
  #if PY_VERSION_HEX < 0x030200A4
    typedef long Py_hash_t;
    #define __Pyx_PyInt_FromHash_t PyInt_FromLong
    #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
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    #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
    #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
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  #if PY_MAJOR_VERSION >= 3
    #define __Pyx_PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
  #else
    #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
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    #if PY_VERSION_HEX >= 0x030500B1
      #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
      #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async)
    #else
      typedef struct {
          unaryfunc am_await;
          unaryfunc am_aiter;
          unaryfunc am_anext;
      } __Pyx_PyAsyncMethodsStruct;
      #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved))
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    #define __Pyx_PyType_AsAsync(obj) NULL
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    #if defined(__GNUC__)
      #define CYTHON_RESTRICT __restrict__
    #elif defined(_MSC_VER) && _MSC_VER >= 1400
      #define CYTHON_RESTRICT __restrict
    #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
      #define CYTHON_RESTRICT restrict
    #else
      #define CYTHON_RESTRICT
    #endif
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  #define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None)
  
  #ifndef CYTHON_INLINE
    #if defined(__GNUC__)
      #define CYTHON_INLINE __inline__
    #elif defined(_MSC_VER)
      #define CYTHON_INLINE __inline
    #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
      #define CYTHON_INLINE inline
    #else
      #define CYTHON_INLINE
    #endif
  #endif
  
  #if defined(WIN32) || defined(MS_WINDOWS)
    #define _USE_MATH_DEFINES
  #endif
  #include <math.h>
  #ifdef NAN
  #define __PYX_NAN() ((float) NAN)
  #else
  static CYTHON_INLINE float __PYX_NAN() {
    float value;
    memset(&value, 0xFF, sizeof(value));
    return value;
  }
  #endif
  #if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL)
  #define __Pyx_truncl trunc
  #else
  #define __Pyx_truncl truncl
  #endif
  
  
  #define __PYX_ERR(f_index, lineno, Ln_error) \
  { \
    __pyx_filename = __pyx_f[f_index]; __pyx_lineno = lineno; __pyx_clineno = __LINE__; goto Ln_error; \
  }
  
  #if PY_MAJOR_VERSION >= 3
    #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
    #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
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    #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
    #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
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  #ifndef __PYX_EXTERN_C
    #ifdef __cplusplus
      #define __PYX_EXTERN_C extern "C"
    #else
      #define __PYX_EXTERN_C extern
    #endif
  #endif
  
  #define __PYX_HAVE__skimage__feature__brief_cy
  #define __PYX_HAVE_API__skimage__feature__brief_cy
  #include <string.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include "numpy/arrayobject.h"
  #include "numpy/ufuncobject.h"
  #include "pythread.h"
  #include "pystate.h"
  #ifdef _OPENMP
  #include <omp.h>
  #endif /* _OPENMP */
  
  #ifdef PYREX_WITHOUT_ASSERTIONS
  #define CYTHON_WITHOUT_ASSERTIONS
  #endif
  
  #ifndef CYTHON_UNUSED
  # if defined(__GNUC__)
  #   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
  #     define CYTHON_UNUSED __attribute__ ((__unused__))
  #   else
  #     define CYTHON_UNUSED
  #   endif
  # elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
  #   define CYTHON_UNUSED __attribute__ ((__unused__))
  # else
  #   define CYTHON_UNUSED
  # endif
  #endif
  #ifndef CYTHON_NCP_UNUSED
  # if CYTHON_COMPILING_IN_CPYTHON
  #  define CYTHON_NCP_UNUSED
  # else
  #  define CYTHON_NCP_UNUSED CYTHON_UNUSED
  # endif
  #endif
  typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding;
                  const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry;
  
  #define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
  #define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
  #define __PYX_DEFAULT_STRING_ENCODING ""
  #define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
  #define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
  #define __Pyx_uchar_cast(c) ((unsigned char)c)
  #define __Pyx_long_cast(x) ((long)x)
  #define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (\
      (sizeof(type) < sizeof(Py_ssize_t))  ||\
      (sizeof(type) > sizeof(Py_ssize_t) &&\
            likely(v < (type)PY_SSIZE_T_MAX ||\
                   v == (type)PY_SSIZE_T_MAX)  &&\
            (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\
                                  v == (type)PY_SSIZE_T_MIN)))  ||\
      (sizeof(type) == sizeof(Py_ssize_t) &&\
            (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\
                                 v == (type)PY_SSIZE_T_MAX)))  )
  #if defined (__cplusplus) && __cplusplus >= 201103L
      #include <cstdlib>
      #define __Pyx_sst_abs(value) std::abs(value)
  #elif SIZEOF_INT >= SIZEOF_SIZE_T
      #define __Pyx_sst_abs(value) abs(value)
  #elif SIZEOF_LONG >= SIZEOF_SIZE_T
      #define __Pyx_sst_abs(value) labs(value)
  #elif defined (_MSC_VER) && defined (_M_X64)
      #define __Pyx_sst_abs(value) _abs64(value)
  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
      #define __Pyx_sst_abs(value) llabs(value)
  #elif defined (__GNUC__)
      #define __Pyx_sst_abs(value) __builtin_llabs(value)
  #else
      #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
  #endif
  static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
  static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
  #define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
  #define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
  #define __Pyx_PyBytes_FromString        PyBytes_FromString
  #define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
  static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
  #if PY_MAJOR_VERSION < 3
      #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
      #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
  #else
      #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
      #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
  #endif
  #define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
  #define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
  #define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
  #define __Pyx_PyBytes_FromCString(s)   __Pyx_PyBytes_FromString((const char*)s)
  #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)
  #if PY_MAJOR_VERSION < 3
  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);
  }
  #else
  #define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
  #endif
  #define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
  #define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
  #define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
  #define __Pyx_NewRef(obj) (Py_INCREF(obj), obj)
  #define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None)
  #define __Pyx_PyBool_FromLong(b) ((b) ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False))
  static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
  static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x);
  static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
  static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
  #if CYTHON_ASSUME_SAFE_MACROS
  #define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
  #else
  #define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
  #endif
  #define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
  #if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x))
  #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 PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
  static int __Pyx_sys_getdefaultencoding_not_ascii;
  static int __Pyx_init_sys_getdefaultencoding_params(void) {
      PyObject* sys;
      PyObject* default_encoding = NULL;
      PyObject* ascii_chars_u = NULL;
      PyObject* ascii_chars_b = NULL;
      const char* default_encoding_c;
      sys = PyImport_ImportModule("sys");
      if (!sys) goto bad;
      default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL);
      Py_DECREF(sys);
      if (!default_encoding) goto bad;
      default_encoding_c = PyBytes_AsString(default_encoding);
      if (!default_encoding_c) goto bad;
      if (strcmp(default_encoding_c, "ascii") == 0) {
          __Pyx_sys_getdefaultencoding_not_ascii = 0;
      } else {
          char ascii_chars[128];
          int c;
          for (c = 0; c < 128; c++) {
              ascii_chars[c] = c;
          }
          __Pyx_sys_getdefaultencoding_not_ascii = 1;
          ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
          if (!ascii_chars_u) goto bad;
          ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
          if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
              PyErr_Format(
                  PyExc_ValueError,
                  "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
                  default_encoding_c);
              goto bad;
          }
          Py_DECREF(ascii_chars_u);
          Py_DECREF(ascii_chars_b);
      }
      Py_DECREF(default_encoding);
      return 0;
  bad:
      Py_XDECREF(default_encoding);
      Py_XDECREF(ascii_chars_u);
      Py_XDECREF(ascii_chars_b);
      return -1;
  }
  #endif
  #if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
  #define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
  #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
  static char* __PYX_DEFAULT_STRING_ENCODING;
  static int __Pyx_init_sys_getdefaultencoding_params(void) {
      PyObject* sys;
      PyObject* default_encoding = NULL;
      char* default_encoding_c;
      sys = PyImport_ImportModule("sys");
      if (!sys) goto bad;
      default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
      Py_DECREF(sys);
      if (!default_encoding) goto bad;
      default_encoding_c = PyBytes_AsString(default_encoding);
      if (!default_encoding_c) goto bad;
      __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
      if (!__PYX_DEFAULT_STRING_ENCODING) goto bad;
      strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
      Py_DECREF(default_encoding);
      return 0;
  bad:
      Py_XDECREF(default_encoding);
      return -1;
  }
  #endif
  #endif
  
  
  /* Test for GCC > 2.95 */
  #if defined(__GNUC__)     && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))
    #define likely(x)   __builtin_expect(!!(x), 1)
    #define unlikely(x) __builtin_expect(!!(x), 0)
  #else /* !__GNUC__ or GCC < 2.95 */
    #define likely(x)   (x)
    #define unlikely(x) (x)
  #endif /* __GNUC__ */
  
  static PyObject *__pyx_m;
  static PyObject *__pyx_d;
  static PyObject *__pyx_b;
  static PyObject *__pyx_empty_tuple;
  static PyObject *__pyx_empty_bytes;
  static PyObject *__pyx_empty_unicode;
  static int __pyx_lineno;
  static int __pyx_clineno = 0;
  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)
      #define CYTHON_CCOMPLEX 1
    #else
      #define CYTHON_CCOMPLEX 0
    #endif
  #endif
  #if CYTHON_CCOMPLEX
    #ifdef __cplusplus
      #include <complex>
    #else
      #include <complex.h>
    #endif
  #endif
  #if CYTHON_CCOMPLEX && !defined(__cplusplus) && defined(__sun__) && defined(__GNUC__)
    #undef _Complex_I
    #define _Complex_I 1.0fj
  #endif
  
  
  static const char *__pyx_f[] = {
    "skimage/feature/brief_cy.pyx",
    ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd",
    "stringsource",
    ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/cpython/type.pxd",
  };
  /* 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;
  
  /* BufferFormatStructs.proto */
  #define IS_UNSIGNED(type) (((type) -1) > 0)
  struct __Pyx_StructField_;
  #define __PYX_BUF_FLAGS_PACKED_STRUCT (1 << 0)
  typedef struct {
    const char* name;
    struct __Pyx_StructField_* fields;
    size_t size;
    size_t arraysize[8];
    int ndim;
    char typegroup;
    char is_unsigned;
    int flags;
  } __Pyx_TypeInfo;
  typedef struct __Pyx_StructField_ {
    __Pyx_TypeInfo* type;
    const char* name;
    size_t offset;
  } __Pyx_StructField;
  typedef struct {
    __Pyx_StructField* field;
    size_t parent_offset;
  } __Pyx_BufFmt_StackElem;
  typedef struct {
    __Pyx_StructField root;
    __Pyx_BufFmt_StackElem* head;
    size_t fmt_offset;
    size_t new_count, enc_count;
    size_t struct_alignment;
    int is_complex;
    char enc_type;
    char new_packmode;
    char enc_packmode;
    char is_valid_array;
  } __Pyx_BufFmt_Context;
  
  /* 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
  
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":725
   * # in Cython to enable them only on the right systems.
   * 
   * ctypedef npy_int8       int8_t             # <<<<<<<<<<<<<<
   * ctypedef npy_int16      int16_t
   * ctypedef npy_int32      int32_t
   */
  typedef npy_int8 __pyx_t_5numpy_int8_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":726
   * 
   * ctypedef npy_int8       int8_t
   * ctypedef npy_int16      int16_t             # <<<<<<<<<<<<<<
   * ctypedef npy_int32      int32_t
   * ctypedef npy_int64      int64_t
   */
  typedef npy_int16 __pyx_t_5numpy_int16_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":727
   * ctypedef npy_int8       int8_t
   * ctypedef npy_int16      int16_t
   * ctypedef npy_int32      int32_t             # <<<<<<<<<<<<<<
   * ctypedef npy_int64      int64_t
   * #ctypedef npy_int96      int96_t
   */
  typedef npy_int32 __pyx_t_5numpy_int32_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":728
   * ctypedef npy_int16      int16_t
   * ctypedef npy_int32      int32_t
   * ctypedef npy_int64      int64_t             # <<<<<<<<<<<<<<
   * #ctypedef npy_int96      int96_t
   * #ctypedef npy_int128     int128_t
   */
  typedef npy_int64 __pyx_t_5numpy_int64_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":732
   * #ctypedef npy_int128     int128_t
   * 
   * ctypedef npy_uint8      uint8_t             # <<<<<<<<<<<<<<
   * ctypedef npy_uint16     uint16_t
   * ctypedef npy_uint32     uint32_t
   */
  typedef npy_uint8 __pyx_t_5numpy_uint8_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":733
   * 
   * ctypedef npy_uint8      uint8_t
   * ctypedef npy_uint16     uint16_t             # <<<<<<<<<<<<<<
   * ctypedef npy_uint32     uint32_t
   * ctypedef npy_uint64     uint64_t
   */
  typedef npy_uint16 __pyx_t_5numpy_uint16_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":734
   * ctypedef npy_uint8      uint8_t
   * ctypedef npy_uint16     uint16_t
   * ctypedef npy_uint32     uint32_t             # <<<<<<<<<<<<<<
   * ctypedef npy_uint64     uint64_t
   * #ctypedef npy_uint96     uint96_t
   */
  typedef npy_uint32 __pyx_t_5numpy_uint32_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":735
   * ctypedef npy_uint16     uint16_t
   * ctypedef npy_uint32     uint32_t
   * ctypedef npy_uint64     uint64_t             # <<<<<<<<<<<<<<
   * #ctypedef npy_uint96     uint96_t
   * #ctypedef npy_uint128    uint128_t
   */
  typedef npy_uint64 __pyx_t_5numpy_uint64_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":739
   * #ctypedef npy_uint128    uint128_t
   * 
   * ctypedef npy_float32    float32_t             # <<<<<<<<<<<<<<
   * ctypedef npy_float64    float64_t
   * #ctypedef npy_float80    float80_t
   */
  typedef npy_float32 __pyx_t_5numpy_float32_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":740
   * 
   * ctypedef npy_float32    float32_t
   * ctypedef npy_float64    float64_t             # <<<<<<<<<<<<<<
   * #ctypedef npy_float80    float80_t
   * #ctypedef npy_float128   float128_t
   */
  typedef npy_float64 __pyx_t_5numpy_float64_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":749
   * # The int types are mapped a bit surprising --
   * # numpy.int corresponds to 'l' and numpy.long to 'q'
   * ctypedef npy_long       int_t             # <<<<<<<<<<<<<<
   * ctypedef npy_longlong   long_t
   * ctypedef npy_longlong   longlong_t
   */
  typedef npy_long __pyx_t_5numpy_int_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":750
   * # numpy.int corresponds to 'l' and numpy.long to 'q'
   * ctypedef npy_long       int_t
   * ctypedef npy_longlong   long_t             # <<<<<<<<<<<<<<
   * ctypedef npy_longlong   longlong_t
   * 
   */
  typedef npy_longlong __pyx_t_5numpy_long_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":751
   * ctypedef npy_long       int_t
   * ctypedef npy_longlong   long_t
   * ctypedef npy_longlong   longlong_t             # <<<<<<<<<<<<<<
   * 
   * ctypedef npy_ulong      uint_t
   */
  typedef npy_longlong __pyx_t_5numpy_longlong_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":753
   * ctypedef npy_longlong   longlong_t
   * 
   * ctypedef npy_ulong      uint_t             # <<<<<<<<<<<<<<
   * ctypedef npy_ulonglong  ulong_t
   * ctypedef npy_ulonglong  ulonglong_t
   */
  typedef npy_ulong __pyx_t_5numpy_uint_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":754
   * 
   * ctypedef npy_ulong      uint_t
   * ctypedef npy_ulonglong  ulong_t             # <<<<<<<<<<<<<<
   * ctypedef npy_ulonglong  ulonglong_t
   * 
   */
  typedef npy_ulonglong __pyx_t_5numpy_ulong_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":755
   * ctypedef npy_ulong      uint_t
   * ctypedef npy_ulonglong  ulong_t
   * ctypedef npy_ulonglong  ulonglong_t             # <<<<<<<<<<<<<<
   * 
   * ctypedef npy_intp       intp_t
   */
  typedef npy_ulonglong __pyx_t_5numpy_ulonglong_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":757
   * ctypedef npy_ulonglong  ulonglong_t
   * 
   * ctypedef npy_intp       intp_t             # <<<<<<<<<<<<<<
   * ctypedef npy_uintp      uintp_t
   * 
   */
  typedef npy_intp __pyx_t_5numpy_intp_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":758
   * 
   * ctypedef npy_intp       intp_t
   * ctypedef npy_uintp      uintp_t             # <<<<<<<<<<<<<<
   * 
   * ctypedef npy_double     float_t
   */
  typedef npy_uintp __pyx_t_5numpy_uintp_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":760
   * ctypedef npy_uintp      uintp_t
   * 
   * ctypedef npy_double     float_t             # <<<<<<<<<<<<<<
   * ctypedef npy_double     double_t
   * ctypedef npy_longdouble longdouble_t
   */
  typedef npy_double __pyx_t_5numpy_float_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":761
   * 
   * ctypedef npy_double     float_t
   * ctypedef npy_double     double_t             # <<<<<<<<<<<<<<
   * ctypedef npy_longdouble longdouble_t
   * 
   */
  typedef npy_double __pyx_t_5numpy_double_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":762
   * ctypedef npy_double     float_t
   * ctypedef npy_double     double_t
   * ctypedef npy_longdouble longdouble_t             # <<<<<<<<<<<<<<
   * 
   * ctypedef npy_cfloat      cfloat_t
   */
  typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
  /* Declarations.proto */
  #if CYTHON_CCOMPLEX
    #ifdef __cplusplus
      typedef ::std::complex< float > __pyx_t_float_complex;
    #else
      typedef float _Complex __pyx_t_float_complex;
    #endif
  #else
      typedef struct { float real, imag; } __pyx_t_float_complex;
  #endif
  static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);
  
  /* Declarations.proto */
  #if CYTHON_CCOMPLEX
    #ifdef __cplusplus
      typedef ::std::complex< double > __pyx_t_double_complex;
    #else
      typedef double _Complex __pyx_t_double_complex;
    #endif
  #else
      typedef struct { double real, imag; } __pyx_t_double_complex;
  #endif
  static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);
  
  
  /*--- Type declarations ---*/
  struct __pyx_array_obj;
  struct __pyx_MemviewEnum_obj;
  struct __pyx_memoryview_obj;
  struct __pyx_memoryviewslice_obj;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":764
   * ctypedef npy_longdouble longdouble_t
   * 
   * ctypedef npy_cfloat      cfloat_t             # <<<<<<<<<<<<<<
   * ctypedef npy_cdouble     cdouble_t
   * ctypedef npy_clongdouble clongdouble_t
   */
  typedef npy_cfloat __pyx_t_5numpy_cfloat_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":765
   * 
   * ctypedef npy_cfloat      cfloat_t
   * ctypedef npy_cdouble     cdouble_t             # <<<<<<<<<<<<<<
   * ctypedef npy_clongdouble clongdouble_t
   * 
   */
  typedef npy_cdouble __pyx_t_5numpy_cdouble_t;
  
  /* ".eggs/Cython-0.25.1-py2.7-macosx-10.6-x86_64.egg/Cython/Includes/numpy/__init__.pxd":766
   * ctypedef npy_cfloat      cfloat_t
   * ctypedef npy_cdouble     cdouble_t
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  static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
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  #define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
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  /* GetBuiltinName.proto */
  static PyObject *__Pyx_GetBuiltinName(PyObject *name);
  
  /* RaiseArgTupleInvalid.proto */
  static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
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  /* RaiseDoubleKeywords.proto */
  static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
  
  /* ParseKeywords.proto */
  static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\
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  /* BufferFormatCheck.proto */
  static CYTHON_INLINE int  __Pyx_GetBufferAndValidate(Py_buffer* buf, PyObject* obj,
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  static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info);
  static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts);
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  /* 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(
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                  int ndim,
                  __Pyx_memviewslice *memviewslice,
                  int memview_is_new_reference);
  static CYTHON_INLINE int __pyx_add_acquisition_count_locked(
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  static CYTHON_INLINE int __pyx_sub_acquisition_count_locked(
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  #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);
  
  /* PyObjectCall.proto */
  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
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  #define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
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  /* PyThreadStateGet.proto */
  #if CYTHON_FAST_THREAD_STATE
  #define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
  #define __Pyx_PyThreadState_assign  __pyx_tstate = PyThreadState_GET();
  #else
  #define __Pyx_PyThreadState_declare
  #define __Pyx_PyThreadState_assign
  #endif
  
  /* PyErrFetchRestore.proto */
  #if CYTHON_FAST_THREAD_STATE
  #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);
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  #define __Pyx_ErrRestoreWithState(type, value, tb)  PyErr_Restore(type, value, tb)
  #define __Pyx_ErrFetchWithState(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)
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  /* RaiseException.proto */
  static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
  
  /* DictGetItem.proto */
  #if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
  static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) {
      PyObject *value;
      value = PyDict_GetItemWithError(d, key);
      if (unlikely(!value)) {
          if (!PyErr_Occurred()) {
              PyObject* args = PyTuple_Pack(1, key);
              if (likely(args))
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              Py_XDECREF(args);
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          return NULL;
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      Py_INCREF(value);
      return value;
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  #else
      #define __Pyx_PyDict_GetItem(d, key) PyObject_GetItem(d, key)
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  /* RaiseTooManyValuesToUnpack.proto */
  static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
  
  /* RaiseNeedMoreValuesToUnpack.proto */
  static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
  
  /* RaiseNoneIterError.proto */
  static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
  
  /* ExtTypeTest.proto */
  static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type);
  
  /* SaveResetException.proto */
  #if CYTHON_FAST_THREAD_STATE
  #define __Pyx_ExceptionSave(type, value, tb)  __Pyx__ExceptionSave(__pyx_tstate, type, value, tb)
  static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
  #define __Pyx_ExceptionReset(type, value, tb)  __Pyx__ExceptionReset(__pyx_tstate, type, value, tb)
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  #define __Pyx_ExceptionSave(type, value, tb)   PyErr_GetExcInfo(type, value, tb)
  #define __Pyx_ExceptionReset(type, value, tb)  PyErr_SetExcInfo(type, value, tb)
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  /* PyErrExceptionMatches.proto */
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  #define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err)
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  /* GetException.proto */
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  #define __Pyx_GetException(type, value, tb)  __Pyx__GetException(__pyx_tstate, type, value, tb)
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  /* PyFunctionFastCall.proto */
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  #define __Pyx_PyFunction_FastCall(func, args, nargs)\
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  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j);
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
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  static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) {
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      Py_ssize_t len = Py_SIZE(list);
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  #else
  #define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
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  /* None.proto */
  static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
  
  /* ForceInitThreads.proto */
  #ifndef __PYX_FORCE_INIT_THREADS
    #define __PYX_FORCE_INIT_THREADS 0
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  /* WriteUnraisableException.proto */
  static void __Pyx_WriteUnraisable(const char *name, int clineno,
                                    int lineno, const char *filename,
                                    int full_traceback, int nogil);
  
  /* 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);
  
  /* SetVTable.proto */
  static int __Pyx_SetVtable(PyObject *dict, void *vtable);
  
  /* CodeObjectCache.proto */
  typedef struct {
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      int code_line;
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  struct __Pyx_CodeObjectCache {
      int count;
      int max_count;
      __Pyx_CodeObjectCacheEntry* entries;
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  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);
  
  /* AddTraceback.proto */
  static void __Pyx_AddTraceback(const char *funcname, int c_line,
                                 int py_line, const char *filename);
  
  #if PY_MAJOR_VERSION < 3
      static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags);
      static void __Pyx_ReleaseBuffer(Py_buffer *view);
  #else
      #define __Pyx_GetBuffer PyObject_GetBuffer
      #define __Pyx_ReleaseBuffer PyBuffer_Release
  #endif
  
  
  /* BufferStructDeclare.proto */
  typedef struct {
    Py_ssize_t shape, strides, suboffsets;
  } __Pyx_Buf_DimInfo;
  typedef struct {
    size_t refcount;
    Py_buffer pybuffer;
  } __Pyx_Buffer;
  typedef struct {
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    char *data;
    __Pyx_Buf_DimInfo diminfo[8];
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  /* None.proto */
  static Py_ssize_t __Pyx_zeros[] = {0, 0, 0, 0, 0, 0, 0, 0};
  static Py_ssize_t __Pyx_minusones[] = {-1, -1, -1, -1, -1, -1, -1, -1};
  
  /* MemviewSliceIsContig.proto */
  static int __pyx_memviewslice_is_contig(const __Pyx_memviewslice mvs,
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  /* OverlappingSlices.proto */
  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);
  
  /* TypeInfoCompare.proto */
  static int __pyx_typeinfo_cmp(__Pyx_TypeInfo *a, __Pyx_TypeInfo *b);
  
  /* MemviewSliceValidateAndInit.proto */
  static int __Pyx_ValidateAndInit_memviewslice(
                  int *axes_specs,
                  int c_or_f_flag,
                  int buf_flags,
                  int ndim,
                  __Pyx_TypeInfo *dtype,
                  __Pyx_BufFmt_StackElem stack[],
                  __Pyx_memviewslice *memviewslice,
                  PyObject *original_obj);
  
  /* ObjectToMemviewSlice.proto */
  static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_dc_double(PyObject *);
  
  /* ObjectToMemviewSlice.proto */
  static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_dc_unsigned_char(PyObject *);
  
  /* ObjectToMemviewSlice.proto */
  static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_dc_Py_ssize_t(PyObject *);
  
  /* ObjectToMemviewSlice.proto */
  static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_dc_int(PyObject *);
  
  /* RealImag.proto */
  #if CYTHON_CCOMPLEX
    #ifdef __cplusplus
      #define __Pyx_CREAL(z) ((z).real())
      #define __Pyx_CIMAG(z) ((z).imag())
    #else
      #define __Pyx_CREAL(z) (__real__(z))
      #define __Pyx_CIMAG(z) (__imag__(z))
    #endif
  #else
      #define __Pyx_CREAL(z) ((z).real)
      #define __Pyx_CIMAG(z) ((z).imag)
  #endif
  #if defined(__cplusplus) && CYTHON_CCOMPLEX\
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      #define __Pyx_SET_CREAL(z,x) ((z).real(x))
      #define __Pyx_SET_CIMAG(z,y) ((z).imag(y))
  #else
      #define __Pyx_SET_CREAL(z,x) __Pyx_CREAL(z) = (x)
      #define __Pyx_SET_CIMAG(z,y) __Pyx_CIMAG(z) = (y)
  #endif
  
  /* Arithmetic.proto */
  #if CYTHON_CCOMPLEX
      #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))
      #define __Pyx_c_prod_float(a, b) ((a)*(b))
      #define __Pyx_c_quot_float(a, b) ((a)/(b))
      #define __Pyx_c_neg_float(a)     (-(a))
    #ifdef __cplusplus
      #define __Pyx_c_is_zero_float(z) ((z)==(float)0)
      #define __Pyx_c_conj_float(z)    (::std::conj(z))
      #if 1
          #define __Pyx_c_abs_float(z)     (::std::abs(z))
          #define __Pyx_c_pow_float(a, b)  (::std::pow(a, b))
      #endif
    #else
      #define __Pyx_c_is_zero_float(z) ((z)==0)
      #define __Pyx_c_conj_float(z)    (conjf(z))
      #if 1
          #define __Pyx_c_abs_float(z)     (cabsf(z))
          #define __Pyx_c_pow_float(a, b)  (cpowf(a, b))
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   #endif
  #else
      static CYTHON_INLINE int __Pyx_c_eq_float(__pyx_t_float_complex, __pyx_t_float_complex);
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sum_float(__pyx_t_float_complex, __pyx_t_float_complex);
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_diff_float(__pyx_t_float_complex, __pyx_t_float_complex);
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prod_float(__pyx_t_float_complex, __pyx_t_float_complex);
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quot_float(__pyx_t_float_complex, __pyx_t_float_complex);
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_neg_float(__pyx_t_float_complex);
      static CYTHON_INLINE int __Pyx_c_is_zero_float(__pyx_t_float_complex);
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conj_float(__pyx_t_float_complex);
      #if 1
          static CYTHON_INLINE float __Pyx_c_abs_float(__pyx_t_float_complex);
          static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_pow_float(__pyx_t_float_complex, __pyx_t_float_complex);
      #endif
  #endif
  
  /* Arithmetic.proto */
  #if CYTHON_CCOMPLEX
      #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))
      #define __Pyx_c_prod_double(a, b) ((a)*(b))
      #define __Pyx_c_quot_double(a, b) ((a)/(b))
      #define __Pyx_c_neg_double(a)     (-(a))
    #ifdef __cplusplus
      #define __Pyx_c_is_zero_double(z) ((z)==(double)0)
      #define __Pyx_c_conj_double(z)    (::std::conj(z))
      #if 1
          #define __Pyx_c_abs_double(z)     (::std::abs(z))
          #define __Pyx_c_pow_double(a, b)  (::std::pow(a, b))
      #endif
    #else
      #define __Pyx_c_is_zero_double(z) ((z)==0)
      #define __Pyx_c_conj_double(z)    (conj(z))
      #if 1
          #define __Pyx_c_abs_double(z)     (cabs(z))
          #define __Pyx_c_pow_double(a, b)  (cpow(a, b))
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   #endif
  #else
      static CYTHON_INLINE int __Pyx_c_eq_double(__pyx_t_double_complex, __pyx_t_double_complex);
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum_double(__pyx_t_double_complex, __pyx_t_double_complex);
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff_double(__pyx_t_double_complex, __pyx_t_double_complex);
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod_double(__pyx_t_double_complex, __pyx_t_double_complex);
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot_double(__pyx_t_double_complex, __pyx_t_double_complex);
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg_double(__pyx_t_double_complex);
      static CYTHON_INLINE int __Pyx_c_is_zero_double(__pyx_t_double_complex);
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj_double(__pyx_t_double_complex);
      #if 1
          static CYTHON_INLINE double __Pyx_c_abs_double(__pyx_t_double_complex);
          static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow_double(__pyx_t_double_complex, __pyx_t_double_complex);
      #endif
  #endif
  
  /* CIntToPy.proto */
  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);
  
  /* CIntToPy.proto */
  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum__NPY_TYPES(enum NPY_TYPES value);
  
  /* MemviewSliceCopyTemplate.proto */
  static __Pyx_memviewslice
  __pyx_memoryview_copy_new_contig(const __Pyx_memviewslice *from_mvs,
                                   const char *mode, int ndim,
                                   size_t sizeof_dtype, int contig_flag,
                                   int dtype_is_object);
  
  /* CIntFromPy.proto */
  static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
  
  /* CIntToPy.proto */
  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
  
  /* CIntFromPy.proto */
  static CYTHON_INLINE char __Pyx_PyInt_As_char(PyObject *);
  
  /* CIntFromPy.proto */
  static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
  
  /* CheckBinaryVersion.proto */
  static int __Pyx_check_binary_version(void);
  
  /* PyIdentifierFromString.proto */
  #if !defined(__Pyx_PyIdentifier_FromString)
  #if PY_MAJOR_VERSION < 3
    #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
  #else
    #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
  #endif
  #endif
  
  /* ModuleImport.proto */
  static PyObject *__Pyx_ImportModule(const char *name);
  
  /* TypeImport.proto */
  static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict);
  
  /* InitStrings.proto */
  static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);
  
  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*/
  static PyObject *__pyx_memoryview_setitem_slice_assignment(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_dst, PyObject *__pyx_v_src); /* proto*/
  static PyObject *__pyx_memoryview_setitem_slice_assign_scalar(struct __pyx_memoryview_obj *__pyx_v_self, struct __pyx_memoryview_obj *__pyx_v_dst, PyObject *__pyx_v_value); /* proto*/
  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_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*/
  
  /* Module declarations from 'cpython.buffer' */
  
  /* Module declarations from 'libc.string' */
  
  /* Module declarations from 'libc.stdio' */
  
  /* Module declarations from '__builtin__' */
  
  /* Module declarations from 'cpython.type' */
  static PyTypeObject *__pyx_ptype_7cpython_4type_type = 0;
  
  /* Module declarations from 'cpython' */
  
  /* Module declarations from 'cpython.object' */
  
  /* Module declarations from 'cpython.ref' */
  
  /* Module declarations from 'libc.stdlib' */
  
  /* Module declarations from 'numpy' */
  
  /* Module declarations from 'numpy' */
  static PyTypeObject *__pyx_ptype_5numpy_dtype = 0;
  static PyTypeObject *__pyx_ptype_5numpy_flatiter = 0;
  static PyTypeObject *__pyx_ptype_5numpy_broadcast = 0;
  static PyTypeObject *__pyx_ptype_5numpy_ndarray = 0;
  static PyTypeObject *__pyx_ptype_5numpy_ufunc = 0;
  static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *, char *, char *, int *); /*proto*/
  
  /* Module declarations from 'skimage.feature.brief_cy' */
  static PyTypeObject *__pyx_array_type = 0;
  static PyTypeObject *__pyx_MemviewEnum_type = 0;
  static PyTypeObject *__pyx_memoryview_type = 0;
  static PyTypeObject *__pyx_memoryviewslice_type = 0;
  static PyObject *generic = 0;
  static PyObject *strided = 0;
  static PyObject *indirect = 0;
  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 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 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*/
  static int __pyx_memslice_transpose(__Pyx_memviewslice *); /*proto*/
  static PyObject *__pyx_memoryview_fromslice(__Pyx_memviewslice, int, PyObject *(*)(char *), int (*)(char *, PyObject *), int); /*proto*/
  static __Pyx_memviewslice *__pyx_memoryview_get_slice_from_memoryview(struct __pyx_memoryview_obj *, __Pyx_memviewslice *); /*proto*/
  static void __pyx_memoryview_slice_copy(struct __pyx_memoryview_obj *, __Pyx_memviewslice *); /*proto*/
  static PyObject *__pyx_memoryview_copy_object(struct __pyx_memoryview_obj *); /*proto*/
  static PyObject *__pyx_memoryview_copy_object_from_slice(struct __pyx_memoryview_obj *, __Pyx_memviewslice *); /*proto*/
  static Py_ssize_t abs_py_ssize_t(Py_ssize_t); /*proto*/
  static char __pyx_get_best_slice_order(__Pyx_memviewslice *, int); /*proto*/
  static void _copy_strided_to_strided(char *, Py_ssize_t *, char *, Py_ssize_t *, Py_ssize_t *, Py_ssize_t *, int, size_t); /*proto*/
  static void copy_strided_to_strided(__Pyx_memviewslice *, __Pyx_memviewslice *, int, size_t); /*proto*/
  static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *, int); /*proto*/
  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_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*/
  static void __pyx_memoryview_refcount_objects_in_slice_with_gil(char *, Py_ssize_t *, Py_ssize_t *, int, int); /*proto*/
  static void __pyx_memoryview_refcount_objects_in_slice(char *, Py_ssize_t *, Py_ssize_t *, int, int); /*proto*/
  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*/
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  static __Pyx_TypeInfo __Pyx_TypeInfo_Py_ssize_t = { "Py_ssize_t", NULL, sizeof(Py_ssize_t), { 0 }, 0, IS_UNSIGNED(Py_ssize_t) ? 'U' : 'I', IS_UNSIGNED(Py_ssize_t), 0 };
  static __Pyx_TypeInfo __Pyx_TypeInfo_int = { "int", NULL, sizeof(int), { 0 }, 0, IS_UNSIGNED(int) ? 'U' : 'I', IS_UNSIGNED(int), 0 };
  #define __Pyx_MODULE_NAME "skimage.feature.brief_cy"
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  /* Implementation of 'skimage.feature.brief_cy' */
  static PyObject *__pyx_builtin_range;
  static PyObject *__pyx_builtin_ValueError;
  static PyObject *__pyx_builtin_RuntimeError;
  static PyObject *__pyx_builtin_ImportError;
  static PyObject *__pyx_builtin_MemoryError;
  static PyObject *__pyx_builtin_enumerate;
  static PyObject *__pyx_builtin_Ellipsis;
  static PyObject *__pyx_builtin_TypeError;
  static PyObject *__pyx_builtin_id;
  static PyObject *__pyx_builtin_IndexError;
  static const char __pyx_k_O[] = "O";
  static const char __pyx_k_c[] = "c";
  static const char __pyx_k_d[] = "d";
  static const char __pyx_k_k[] = "k";
  static const char __pyx_k_p[] = "p";
  static const char __pyx_k_id[] = "id";
  static const char __pyx_k_kc[] = "kc";
  static const char __pyx_k_kr[] = "kr";
  static const char __pyx_k_obj[] = "obj";
  static const char __pyx_k_pc0[] = "pc0";
  static const char __pyx_k_pc1[] = "pc1";
  static const char __pyx_k_pr0[] = "pr0";
  static const char __pyx_k_pr1[] = "pr1";
  static const char __pyx_k_base[] = "base";
  static const char __pyx_k_main[] = "__main__";
  static const char __pyx_k_mode[] = "mode";
  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_pos0[] = "pos0";
  static const char __pyx_k_pos1[] = "pos1";
  static const char __pyx_k_size[] = "size";
  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_error[] = "error";
  static const char __pyx_k_flags[] = "flags";
  static const char __pyx_k_image[] = "image";
  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_encode[] = "encode";
  static const char __pyx_k_format[] = "format";
  static const char __pyx_k_import[] = "__import__";
  static const char __pyx_k_name_2[] = "__name__";
  static const char __pyx_k_struct[] = "struct";
  static const char __pyx_k_unpack[] = "unpack";
  static const char __pyx_k_fortran[] = "fortran";
  static const char __pyx_k_memview[] = "memview";
  static const char __pyx_k_Ellipsis[] = "Ellipsis";
  static const char __pyx_k_itemsize[] = "itemsize";
  static const char __pyx_k_TypeError[] = "TypeError";
  static const char __pyx_k_enumerate[] = "enumerate";
  static const char __pyx_k_keypoints[] = "keypoints";
  static const char __pyx_k_IndexError[] = "IndexError";
  static const char __pyx_k_ValueError[] = "ValueError";
  static const char __pyx_k_brief_loop[] = "_brief_loop";
  static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
  static const char __pyx_k_ImportError[] = "ImportError";
  static const char __pyx_k_MemoryError[] = "MemoryError";
  static const char __pyx_k_descriptors[] = "descriptors";
  static const char __pyx_k_RuntimeError[] = "RuntimeError";
  static const char __pyx_k_pyx_getbuffer[] = "__pyx_getbuffer";
  static const char __pyx_k_allocate_buffer[] = "allocate_buffer";
  static const char __pyx_k_dtype_is_object[] = "dtype_is_object";
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  static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info); /* proto */
  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 */
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  static PyObject *__pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_14__str__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_16is_c_contig(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_18is_f_contig(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_20copy(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_22copy_fortran(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
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   *     for dim, index in enumerate(indices):             # <<<<<<<<<<<<<<
   *         if PyIndex_Check(index):
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   *             new_ndim += 1
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   *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
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   * 
   *     if isinstance(memview, _memoryviewslice):
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   *                                     memviewsliceobj.to_object_func,
   *                                     memviewsliceobj.to_dtype_func,
   */
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   *                                     memviewsliceobj.to_dtype_func,
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   *                                     memview.dtype_is_object)
   *     else:
   */
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   * 
   *     if isinstance(memview, _memoryviewslice):
   *         return memoryview_fromslice(dst, new_ndim,             # <<<<<<<<<<<<<<
   *                                     memviewsliceobj.to_object_func,
   *                                     memviewsliceobj.to_dtype_func,
   */
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      /* "View.MemoryView":762
   *             new_ndim += 1
   * 
   *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
   *         return memoryview_fromslice(dst, new_ndim,
   *                                     memviewsliceobj.to_object_func,
   */
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   *                                     memview.dtype_is_object)
   * 
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   * 
   * 
   */
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   *     else:
   *         return memoryview_fromslice(dst, new_ndim, NULL, NULL,             # <<<<<<<<<<<<<<
   *                                     memview.dtype_is_object)
   * 
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   * 
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   *     cdef int new_ndim = 0, suboffset_dim = -1, dim
   *     cdef bint negative_step
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    /* function exit code */
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   * cdef int slice_memviewslice(             # <<<<<<<<<<<<<<
   *         __Pyx_memviewslice *dst,
   *         Py_ssize_t shape, Py_ssize_t stride, Py_ssize_t suboffset,
   */
  
  static int __pyx_memoryview_slice_memviewslice(__Pyx_memviewslice *__pyx_v_dst, Py_ssize_t __pyx_v_shape, Py_ssize_t __pyx_v_stride, Py_ssize_t __pyx_v_suboffset, int __pyx_v_dim, int __pyx_v_new_ndim, int *__pyx_v_suboffset_dim, Py_ssize_t __pyx_v_start, Py_ssize_t __pyx_v_stop, Py_ssize_t __pyx_v_step, int __pyx_v_have_start, int __pyx_v_have_stop, int __pyx_v_have_step, int __pyx_v_is_slice) {
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   *     cdef bint negative_step
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   *     if not is_slice:             # <<<<<<<<<<<<<<
   * 
   *         if start < 0:
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   *             start += shape
   *         if not 0 <= start < shape:
   */
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   * 
   *         if start < 0:
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   *         if not 0 <= start < shape:
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   *     if not is_slice:
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   *         if start < 0:             # <<<<<<<<<<<<<<
   *             start += shape
   *         if not 0 <= start < shape:
   */
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   *         if start < 0:
   *             start += shape
   *         if not 0 <= start < shape:             # <<<<<<<<<<<<<<
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        /* "View.MemoryView":818
   *             start += shape
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   *             _err_dim(IndexError, "Index out of bounds (axis %d)", dim)             # <<<<<<<<<<<<<<
   *     else:
   * 
   */
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   *         if start < 0:
   *             start += shape
   *         if not 0 <= start < shape:             # <<<<<<<<<<<<<<
   *             _err_dim(IndexError, "Index out of bounds (axis %d)", dim)
   *     else:
   */
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   *     cdef bint negative_step
   * 
   *     if not is_slice:             # <<<<<<<<<<<<<<
   * 
   *         if start < 0:
   */
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   *     else:
   * 
   *         negative_step = have_step != 0 and step < 0             # <<<<<<<<<<<<<<
   * 
   *         if have_step and step == 0:
   */
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      /* "View.MemoryView":823
   *         negative_step = have_step != 0 and step < 0
   * 
   *         if have_step and step == 0:             # <<<<<<<<<<<<<<
   *             _err_dim(ValueError, "Step may not be zero (axis %d)", dim)
   * 
   */
      __pyx_t_1 = (__pyx_v_have_step != 0);
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      } else {
        __pyx_t_2 = __pyx_t_1;
        goto __pyx_L9_bool_binop_done;
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      __pyx_t_1 = ((__pyx_v_step == 0) != 0);
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      __pyx_L9_bool_binop_done:;
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        /* "View.MemoryView":824
   * 
   *         if have_step and step == 0:
   *             _err_dim(ValueError, "Step may not be zero (axis %d)", dim)             # <<<<<<<<<<<<<<
   * 
   * 
   */
        __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 == -1)) __PYX_ERR(2, 824, __pyx_L1_error)
  
        /* "View.MemoryView":823
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   *         if have_step and step == 0:             # <<<<<<<<<<<<<<
   *             _err_dim(ValueError, "Step may not be zero (axis %d)", dim)
   * 
   */
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      /* "View.MemoryView":827
   * 
   * 
   *         if have_start:             # <<<<<<<<<<<<<<
   *             if start < 0:
   *                 start += shape
   */
      __pyx_t_2 = (__pyx_v_have_start != 0);
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        /* "View.MemoryView":828
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   *         if have_start:
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   *                 start += shape
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   */
        __pyx_t_2 = ((__pyx_v_start < 0) != 0);
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          /* "View.MemoryView":829
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   *                 if start < 0:
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   */
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          /* "View.MemoryView":830
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   *                     start = 0
   *             elif start >= shape:
   */
          __pyx_t_2 = ((__pyx_v_start < 0) != 0);
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            /* "View.MemoryView":831
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   *             elif start >= shape:
   *                 if negative_step:
   */
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            /* "View.MemoryView":830
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   *                 start += shape
   *                 if start < 0:             # <<<<<<<<<<<<<<
   *                     start = 0
   *             elif start >= shape:
   */
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          /* "View.MemoryView":828
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   *         if have_start:
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   *                 start += shape
   *                 if start < 0:
   */
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        /* "View.MemoryView":832
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   *                 if negative_step:
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          /* "View.MemoryView":833
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   *                     start = shape - 1
   *                 else:
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   *                 else:
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            /* "View.MemoryView":833
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   *             elif start >= shape:
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   *                     start = shape - 1
   *                 else:
   */
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          /* "View.MemoryView":836
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   *                 else:
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   *         else:
   *             if negative_step:
   */
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          __pyx_L14:;
  
          /* "View.MemoryView":832
   *                 if start < 0:
   *                     start = 0
   *             elif start >= shape:             # <<<<<<<<<<<<<<
   *                 if negative_step:
   *                     start = shape - 1
   */
        }
        __pyx_L12:;
  
        /* "View.MemoryView":827
   * 
   * 
   *         if have_start:             # <<<<<<<<<<<<<<
   *             if start < 0:
   *                 start += shape
   */
        goto __pyx_L11;
      }
  
      /* "View.MemoryView":838
   *                     start = shape
   *         else:
   *             if negative_step:             # <<<<<<<<<<<<<<
   *                 start = shape - 1
   *             else:
   */
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          /* "View.MemoryView":839
   *         else:
   *             if negative_step:
   *                 start = shape - 1             # <<<<<<<<<<<<<<
   *             else:
   *                 start = 0
   */
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   *         else:
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   *                 start = shape - 1
   *             else:
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        /* "View.MemoryView":841
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   *             else:
   *                 start = 0             # <<<<<<<<<<<<<<
   * 
   *         if have_stop:
   */
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   * 
   *         if have_stop:             # <<<<<<<<<<<<<<
   *             if stop < 0:
   *                 stop += shape
   */
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        /* "View.MemoryView":844
   * 
   *         if have_stop:
   *             if stop < 0:             # <<<<<<<<<<<<<<
   *                 stop += shape
   *                 if stop < 0:
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   *         if have_stop:
   *             if stop < 0:
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   *                 if stop < 0:
   *                     stop = 0
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          /* "View.MemoryView":846
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   *             elif stop > shape:
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            /* "View.MemoryView":847
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   *                 if stop < 0:
   *                     stop = 0             # <<<<<<<<<<<<<<
   *             elif stop > shape:
   *                 stop = shape
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            __pyx_v_stop = 0;
  
            /* "View.MemoryView":846
   *             if stop < 0:
   *                 stop += shape
   *                 if stop < 0:             # <<<<<<<<<<<<<<
   *                     stop = 0
   *             elif stop > shape:
   */
          }
  
          /* "View.MemoryView":844
   * 
   *         if have_stop:
   *             if stop < 0:             # <<<<<<<<<<<<<<
   *                 stop += shape
   *                 if stop < 0:
   */
          goto __pyx_L17;
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        /* "View.MemoryView":848
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   *                     stop = 0
   *             elif stop > shape:             # <<<<<<<<<<<<<<
   *                 stop = shape
   *         else:
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        __pyx_t_2 = ((__pyx_v_stop > __pyx_v_shape) != 0);
        if (__pyx_t_2) {
  
          /* "View.MemoryView":849
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   *                 stop = shape             # <<<<<<<<<<<<<<
   *         else:
   *             if negative_step:
   */
          __pyx_v_stop = __pyx_v_shape;
  
          /* "View.MemoryView":848
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   *                     stop = 0
   *             elif stop > shape:             # <<<<<<<<<<<<<<
   *                 stop = shape
   *         else:
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        }
        __pyx_L17:;
  
        /* "View.MemoryView":843
   *                 start = 0
   * 
   *         if have_stop:             # <<<<<<<<<<<<<<
   *             if stop < 0:
   *                 stop += shape
   */
        goto __pyx_L16;
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      /* "View.MemoryView":851
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   *         else:
   *             if negative_step:             # <<<<<<<<<<<<<<
   *                 stop = -1
   *             else:
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      /*else*/ {
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        if (__pyx_t_2) {
  
          /* "View.MemoryView":852
   *         else:
   *             if negative_step:
   *                 stop = -1             # <<<<<<<<<<<<<<
   *             else:
   *                 stop = shape
   */
          __pyx_v_stop = -1L;
  
          /* "View.MemoryView":851
   *                 stop = shape
   *         else:
   *             if negative_step:             # <<<<<<<<<<<<<<
   *                 stop = -1
   *             else:
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          goto __pyx_L19;
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        /* "View.MemoryView":854
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   *             else:
   *                 stop = shape             # <<<<<<<<<<<<<<
   * 
   *         if not have_step:
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        __pyx_L19:;
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      __pyx_L16:;
  
      /* "View.MemoryView":856
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   * 
   *         if not have_step:             # <<<<<<<<<<<<<<
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   * 
   */
      __pyx_t_2 = ((!(__pyx_v_have_step != 0)) != 0);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":857
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   *         if not have_step:
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   * 
   * 
   */
        __pyx_v_step = 1;
  
        /* "View.MemoryView":856
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   * 
   *         if not have_step:             # <<<<<<<<<<<<<<
   *             step = 1
   * 
   */
      }
  
      /* "View.MemoryView":861
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   *         with cython.cdivision(True):
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   * 
   *             if (stop - start) - step * new_shape:
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      __pyx_v_new_shape = ((__pyx_v_stop - __pyx_v_start) / __pyx_v_step);
  
      /* "View.MemoryView":863
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   * 
   *             if (stop - start) - step * new_shape:             # <<<<<<<<<<<<<<
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        /* "View.MemoryView":864
   * 
   *             if (stop - start) - step * new_shape:
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   * 
   *         if new_shape < 0:
   */
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        /* "View.MemoryView":863
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   * 
   *             if (stop - start) - step * new_shape:             # <<<<<<<<<<<<<<
   *                 new_shape += 1
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   */
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      /* "View.MemoryView":866
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   * 
   *         if new_shape < 0:             # <<<<<<<<<<<<<<
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   */
      __pyx_t_2 = ((__pyx_v_new_shape < 0) != 0);
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        /* "View.MemoryView":867
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   *         if new_shape < 0:
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   * 
   */
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        /* "View.MemoryView":866
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      /* "View.MemoryView":871
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   * 
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   * 
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   *     cdef int (*to_dtype_func)(char *, object) except 0
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   *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
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   *     cdef int (*to_dtype_func)(char *, object) except 0
   * 
   *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
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   *         to_dtype_func = NULL
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   * 
   *     return memoryview_fromslice(memviewslice[0], memview.view.ndim,
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   * 
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    /* function exit code */
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    __Pyx_XDECREF(__pyx_t_5);
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   * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:             # <<<<<<<<<<<<<<
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  static Py_ssize_t abs_py_ssize_t(Py_ssize_t __pyx_v_arg) {
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    int __pyx_t_1;
  
    /* "View.MemoryView":1093
   * 
   * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:
   *     if arg < 0:             # <<<<<<<<<<<<<<
   *         return -arg
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      /* "View.MemoryView":1094
   * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:
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      /* "View.MemoryView":1093
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   * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:
   *     if arg < 0:             # <<<<<<<<<<<<<<
   *         return -arg
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   * 
   * 
   * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:             # <<<<<<<<<<<<<<
   *     if arg < 0:
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    /* function exit code */
    __pyx_L0:;
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   *     """
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    int __pyx_v_i;
    Py_ssize_t __pyx_v_c_stride;
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    int __pyx_t_1;
    int __pyx_t_2;
    int __pyx_t_3;
  
    /* "View.MemoryView":1104
   *     """
   *     cdef int i
   *     cdef Py_ssize_t c_stride = 0             # <<<<<<<<<<<<<<
   *     cdef Py_ssize_t f_stride = 0
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    /* "View.MemoryView":1105
   *     cdef int i
   *     cdef Py_ssize_t c_stride = 0
   *     cdef Py_ssize_t f_stride = 0             # <<<<<<<<<<<<<<
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   *     for i in range(ndim - 1, -1, -1):
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    __pyx_v_f_stride = 0;
  
    /* "View.MemoryView":1107
   *     cdef Py_ssize_t f_stride = 0
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   *     for i in range(ndim - 1, -1, -1):             # <<<<<<<<<<<<<<
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    for (__pyx_t_1 = (__pyx_v_ndim - 1); __pyx_t_1 > -1L; __pyx_t_1-=1) {
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      /* "View.MemoryView":1108
   * 
   *     for i in range(ndim - 1, -1, -1):
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   *             c_stride = mslice.strides[i]
   *             break
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      __pyx_t_2 = (((__pyx_v_mslice->shape[__pyx_v_i]) > 1) != 0);
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        /* "View.MemoryView":1109
   *     for i in range(ndim - 1, -1, -1):
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   *             c_stride = mslice.strides[i]             # <<<<<<<<<<<<<<
   *             break
   * 
   */
        __pyx_v_c_stride = (__pyx_v_mslice->strides[__pyx_v_i]);
  
        /* "View.MemoryView":1110
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   *             c_stride = mslice.strides[i]
   *             break             # <<<<<<<<<<<<<<
   * 
   *     for i in range(ndim):
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        goto __pyx_L4_break;
  
        /* "View.MemoryView":1108
   * 
   *     for i in range(ndim - 1, -1, -1):
   *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
   *             c_stride = mslice.strides[i]
   *             break
   */
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    }
    __pyx_L4_break:;
  
    /* "View.MemoryView":1112
   *             break
   * 
   *     for i in range(ndim):             # <<<<<<<<<<<<<<
   *         if mslice.shape[i] > 1:
   *             f_stride = mslice.strides[i]
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    __pyx_t_1 = __pyx_v_ndim;
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      __pyx_v_i = __pyx_t_3;
  
      /* "View.MemoryView":1113
   * 
   *     for i in range(ndim):
   *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
   *             f_stride = mslice.strides[i]
   *             break
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      __pyx_t_2 = (((__pyx_v_mslice->shape[__pyx_v_i]) > 1) != 0);
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        /* "View.MemoryView":1114
   *     for i in range(ndim):
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   *             f_stride = mslice.strides[i]             # <<<<<<<<<<<<<<
   *             break
   * 
   */
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        /* "View.MemoryView":1115
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   *             break             # <<<<<<<<<<<<<<
   * 
   *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):
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        goto __pyx_L7_break;
  
        /* "View.MemoryView":1113
   * 
   *     for i in range(ndim):
   *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
   *             f_stride = mslice.strides[i]
   *             break
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    /* "View.MemoryView":1117
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   *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):             # <<<<<<<<<<<<<<
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      /* "View.MemoryView":1118
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      /* "View.MemoryView":1117
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   *         return 'C'
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   * @cython.cdivision(True)
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   * @cname('__pyx_get_best_slice_order')
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  /* "View.MemoryView":1123
   * 
   * @cython.cdivision(True)
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   *                                    char *dst_data, Py_ssize_t *dst_strides,
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  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;
  
    /* "View.MemoryView":1130
   * 
   *     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]
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    /* "View.MemoryView":1131
   *     cdef Py_ssize_t i
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   *     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]
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    /* "View.MemoryView":1132
   *     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]
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   */
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    /* "View.MemoryView":1133
   *     cdef Py_ssize_t dst_extent = dst_shape[0]
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   *     cdef Py_ssize_t dst_stride = dst_strides[0]             # <<<<<<<<<<<<<<
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   *     if ndim == 1:
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    /* "View.MemoryView":1135
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   *     if ndim == 1:             # <<<<<<<<<<<<<<
   *        if (src_stride > 0 and dst_stride > 0 and
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    __pyx_t_1 = ((__pyx_v_ndim == 1) != 0);
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      /* "View.MemoryView":1136
   * 
   *     if ndim == 1:
   *        if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
   *            <size_t> src_stride == itemsize == <size_t> dst_stride):
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      /* "View.MemoryView":1137
   *     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:
   */
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        __pyx_t_2 = (__pyx_v_itemsize == ((size_t)__pyx_v_dst_stride));
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      /* "View.MemoryView":1136
   * 
   *     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":1138
   *        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):
   */
        memcpy(__pyx_v_dst_data, __pyx_v_src_data, (__pyx_v_itemsize * __pyx_v_dst_extent));
  
        /* "View.MemoryView":1136
   * 
   *     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":1140
   *            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
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          /* "View.MemoryView":1141
   *        else:
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   *                memcpy(dst_data, src_data, itemsize)             # <<<<<<<<<<<<<<
   *                src_data += src_stride
   *                dst_data += dst_stride
   */
          memcpy(__pyx_v_dst_data, __pyx_v_src_data, __pyx_v_itemsize);
  
          /* "View.MemoryView":1142
   *            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":1143
   *                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":1135
   *     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):
   */
      goto __pyx_L3;
    }
  
    /* "View.MemoryView":1145
   *                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;
      for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
        __pyx_v_i = __pyx_t_5;
  
        /* "View.MemoryView":1146
   *     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":1150
   *                                      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":1151
   *                                      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_L3:;
  
    /* "View.MemoryView":1123
   * 
   * @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,
   */
  
    /* function exit code */
  }
  
  /* "View.MemoryView":1153
   *             dst_data += dst_stride
   * 
   * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
   *                                   __Pyx_memviewslice *dst,
   *                                   int ndim, size_t itemsize) 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":1156
   *                                   __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)
   * 
   */
    _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":1153
   *             dst_data += dst_stride
   * 
   * cdef void copy_strided_to_strided(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
   *                                   __Pyx_memviewslice *dst,
   *                                   int ndim, size_t itemsize) nogil:
   */
  
    /* function exit code */
  }
  
  /* "View.MemoryView":1160
   * 
   * @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 int i
   */
  
  static Py_ssize_t __pyx_memoryview_slice_get_size(__Pyx_memviewslice *__pyx_v_src, int __pyx_v_ndim) {
    int __pyx_v_i;
    Py_ssize_t __pyx_v_size;
    Py_ssize_t __pyx_r;
    Py_ssize_t __pyx_t_1;
    int __pyx_t_2;
    int __pyx_t_3;
  
    /* "View.MemoryView":1163
   *     "Return the size of the memory occupied by the slice in number of bytes"
   *     cdef int i
   *     cdef Py_ssize_t size = src.memview.view.itemsize             # <<<<<<<<<<<<<<
   * 
   *     for i in range(ndim):
   */
    __pyx_t_1 = __pyx_v_src->memview->view.itemsize;
    __pyx_v_size = __pyx_t_1;
  
    /* "View.MemoryView":1165
   *     cdef Py_ssize_t size = src.memview.view.itemsize
   * 
   *     for i in range(ndim):             # <<<<<<<<<<<<<<
   *         size *= src.shape[i]
   * 
   */
    __pyx_t_2 = __pyx_v_ndim;
    for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
      __pyx_v_i = __pyx_t_3;
  
      /* "View.MemoryView":1166
   * 
   *     for i in range(ndim):
   *         size *= src.shape[i]             # <<<<<<<<<<<<<<
   * 
   *     return size
   */
      __pyx_v_size = (__pyx_v_size * (__pyx_v_src->shape[__pyx_v_i]));
    }
  
    /* "View.MemoryView":1168
   *         size *= src.shape[i]
   * 
   *     return size             # <<<<<<<<<<<<<<
   * 
   * @cname('__pyx_fill_contig_strides_array')
   */
    __pyx_r = __pyx_v_size;
    goto __pyx_L0;
  
    /* "View.MemoryView":1160
   * 
   * @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 int i
   */
  
    /* function exit code */
    __pyx_L0:;
    return __pyx_r;
  }
  
  /* "View.MemoryView":1171
   * 
   * @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:
   */
  
  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;
  
    /* "View.MemoryView":1180
   *     cdef int idx
   * 
   *     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":1181
   * 
   *     if order == 'F':
   *         for idx in range(ndim):             # <<<<<<<<<<<<<<
   *             strides[idx] = stride
   *             stride = stride * shape[idx]
   */
      __pyx_t_2 = __pyx_v_ndim;
      for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
        __pyx_v_idx = __pyx_t_3;
  
        /* "View.MemoryView":1182
   *     if order == 'F':
   *         for idx in range(ndim):
   *             strides[idx] = stride             # <<<<<<<<<<<<<<
   *             stride = stride * shape[idx]
   *     else:
   */
        (__pyx_v_strides[__pyx_v_idx]) = __pyx_v_stride;
  
        /* "View.MemoryView":1183
   *         for idx in range(ndim):
   *             strides[idx] = stride
   *             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":1180
   *     cdef int idx
   * 
   *     if order == 'F':             # <<<<<<<<<<<<<<
   *         for idx in range(ndim):
   *             strides[idx] = stride
   */
      goto __pyx_L3;
    }
  
    /* "View.MemoryView":1185
   *             stride = stride * shape[idx]
   *     else:
   *         for idx in range(ndim - 1, -1, -1):             # <<<<<<<<<<<<<<
   *             strides[idx] = stride
   *             stride = stride * shape[idx]
   */
    /*else*/ {
      for (__pyx_t_2 = (__pyx_v_ndim - 1); __pyx_t_2 > -1L; __pyx_t_2-=1) {
        __pyx_v_idx = __pyx_t_2;
  
        /* "View.MemoryView":1186
   *     else:
   *         for idx in range(ndim - 1, -1, -1):
   *             strides[idx] = stride             # <<<<<<<<<<<<<<
   *             stride = stride * shape[idx]
   * 
   */
        (__pyx_v_strides[__pyx_v_idx]) = __pyx_v_stride;
  
        /* "View.MemoryView":1187
   *         for idx in range(ndim - 1, -1, -1):
   *             strides[idx] = stride
   *             stride = stride * shape[idx]             # <<<<<<<<<<<<<<
   * 
   *     return stride
   */
        __pyx_v_stride = (__pyx_v_stride * (__pyx_v_shape[__pyx_v_idx]));
      }
    }
    __pyx_L3:;
  
    /* "View.MemoryView":1189
   *             stride = stride * shape[idx]
   * 
   *     return stride             # <<<<<<<<<<<<<<
   * 
   * @cname('__pyx_memoryview_copy_data_to_temp')
   */
    __pyx_r = __pyx_v_stride;
    goto __pyx_L0;
  
    /* "View.MemoryView":1171
   * 
   * @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":1192
   * 
   * @cname('__pyx_memoryview_copy_data_to_temp')
   * cdef void *copy_data_to_temp(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
   *                              __Pyx_memviewslice *tmpslice,
   *                              char order,
   */
  
  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;
  
    /* "View.MemoryView":1203
   *     cdef void *result
   * 
   *     cdef size_t itemsize = src.memview.view.itemsize             # <<<<<<<<<<<<<<
   *     cdef size_t size = slice_get_size(src, ndim)
   * 
   */
    __pyx_t_1 = __pyx_v_src->memview->view.itemsize;
    __pyx_v_itemsize = __pyx_t_1;
  
    /* "View.MemoryView":1204
   * 
   *     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":1206
   *     cdef size_t size = slice_get_size(src, ndim)
   * 
   *     result = malloc(size)             # <<<<<<<<<<<<<<
   *     if not result:
   *         _err(MemoryError, NULL)
   */
    __pyx_v_result = malloc(__pyx_v_size);
  
    /* "View.MemoryView":1207
   * 
   *     result = malloc(size)
   *     if not result:             # <<<<<<<<<<<<<<
   *         _err(MemoryError, NULL)
   * 
   */
    __pyx_t_2 = ((!(__pyx_v_result != 0)) != 0);
    if (__pyx_t_2) {
  
      /* "View.MemoryView":1208
   *     result = malloc(size)
   *     if not result:
   *         _err(MemoryError, NULL)             # <<<<<<<<<<<<<<
   * 
   * 
   */
      __pyx_t_3 = __pyx_memoryview_err(__pyx_builtin_MemoryError, NULL); if (unlikely(__pyx_t_3 == -1)) __PYX_ERR(2, 1208, __pyx_L1_error)
  
      /* "View.MemoryView":1207
   * 
   *     result = malloc(size)
   *     if not result:             # <<<<<<<<<<<<<<
   *         _err(MemoryError, NULL)
   * 
   */
    }
  
    /* "View.MemoryView":1211
   * 
   * 
   *     tmpslice.data = <char *> result             # <<<<<<<<<<<<<<
   *     tmpslice.memview = src.memview
   *     for i in range(ndim):
   */
    __pyx_v_tmpslice->data = ((char *)__pyx_v_result);
  
    /* "View.MemoryView":1212
   * 
   *     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;
  
    /* "View.MemoryView":1213
   *     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;
    for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_3; __pyx_t_5+=1) {
      __pyx_v_i = __pyx_t_5;
  
      /* "View.MemoryView":1214
   *     tmpslice.memview = src.memview
   *     for i in range(ndim):
   *         tmpslice.shape[i] = src.shape[i]             # <<<<<<<<<<<<<<
   *         tmpslice.suboffsets[i] = -1
   * 
   */
      (__pyx_v_tmpslice->shape[__pyx_v_i]) = (__pyx_v_src->shape[__pyx_v_i]);
  
      /* "View.MemoryView":1215
   *     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,
   */
      (__pyx_v_tmpslice->suboffsets[__pyx_v_i]) = -1L;
    }
  
    /* "View.MemoryView":1217
   *         tmpslice.suboffsets[i] = -1
   * 
   *     fill_contig_strides_array(&tmpslice.shape[0], &tmpslice.strides[0], itemsize,             # <<<<<<<<<<<<<<
   *                               ndim, order)
   * 
   */
    __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":1221
   * 
   * 
   *     for i in range(ndim):             # <<<<<<<<<<<<<<
   *         if tmpslice.shape[i] == 1:
   *             tmpslice.strides[i] = 0
   */
    __pyx_t_3 = __pyx_v_ndim;
    for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_3; __pyx_t_5+=1) {
      __pyx_v_i = __pyx_t_5;
  
      /* "View.MemoryView":1222
   * 
   *     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);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":1223
   *     for i in range(ndim):
   *         if tmpslice.shape[i] == 1:
   *             tmpslice.strides[i] = 0             # <<<<<<<<<<<<<<
   * 
   *     if slice_is_contig(src[0], order, ndim):
   */
        (__pyx_v_tmpslice->strides[__pyx_v_i]) = 0;
  
        /* "View.MemoryView":1222
   * 
   *     for i in range(ndim):
   *         if tmpslice.shape[i] == 1:             # <<<<<<<<<<<<<<
   *             tmpslice.strides[i] = 0
   * 
   */
      }
    }
  
    /* "View.MemoryView":1225
   *             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);
    if (__pyx_t_2) {
  
      /* "View.MemoryView":1226
   * 
   *     if slice_is_contig(src[0], order, ndim):
   *         memcpy(result, src.data, size)             # <<<<<<<<<<<<<<
   *     else:
   *         copy_strided_to_strided(src, tmpslice, ndim, itemsize)
   */
      memcpy(__pyx_v_result, __pyx_v_src->data, __pyx_v_size);
  
      /* "View.MemoryView":1225
   *             tmpslice.strides[i] = 0
   * 
   *     if slice_is_contig(src[0], order, ndim):             # <<<<<<<<<<<<<<
   *         memcpy(result, src.data, size)
   *     else:
   */
      goto __pyx_L9;
    }
  
    /* "View.MemoryView":1228
   *         memcpy(result, src.data, size)
   *     else:
   *         copy_strided_to_strided(src, tmpslice, ndim, itemsize)             # <<<<<<<<<<<<<<
   * 
   *     return result
   */
    /*else*/ {
      copy_strided_to_strided(__pyx_v_src, __pyx_v_tmpslice, __pyx_v_ndim, __pyx_v_itemsize);
    }
    __pyx_L9:;
  
    /* "View.MemoryView":1230
   *         copy_strided_to_strided(src, tmpslice, ndim, itemsize)
   * 
   *     return result             # <<<<<<<<<<<<<<
   * 
   * 
   */
    __pyx_r = __pyx_v_result;
    goto __pyx_L0;
  
    /* "View.MemoryView":1192
   * 
   * @cname('__pyx_memoryview_copy_data_to_temp')
   * cdef void *copy_data_to_temp(__Pyx_memviewslice *src,             # <<<<<<<<<<<<<<
   *                              __Pyx_memviewslice *tmpslice,
   *                              char order,
   */
  
    /* function exit code */
    __pyx_L1_error:;
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      #ifdef WITH_THREAD
      PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();
      #endif
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    __pyx_r = NULL;
    __pyx_L0:;
    return __pyx_r;
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  /* "View.MemoryView":1235
   * 
   * @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)" %
   */
  
  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;
    PyObject *__pyx_t_4 = NULL;
    #ifdef WITH_THREAD
    PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();
    #endif
    __Pyx_RefNannySetupContext("_err_extents", 0);
  
    /* "View.MemoryView":1238
   *                              Py_ssize_t extent2) except -1 with gil:
   *     raise ValueError("got differing extents in dimension %d (got %d and %d)" %
   *                                                         (i, extent1, extent2))             # <<<<<<<<<<<<<<
   * 
   * @cname('__pyx_memoryview_err_dim')
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    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;
  
    /* "View.MemoryView":1275
   *     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:
   */
    __pyx_t_5 = __pyx_v_ndim;
    for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_5; __pyx_t_3+=1) {
      __pyx_v_i = __pyx_t_3;
  
      /* "View.MemoryView":1276
   * 
   *     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);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":1277
   *     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);
        if (__pyx_t_2) {
  
          /* "View.MemoryView":1278
   *         if src.shape[i] != dst.shape[i]:
   *             if src.shape[i] == 1:
   *                 broadcasting = True             # <<<<<<<<<<<<<<
   *                 src.strides[i] = 0
   *             else:
   */
          __pyx_v_broadcasting = 1;
  
          /* "View.MemoryView":1279
   *             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;
  
          /* "View.MemoryView":1277
   *     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":1281
   *                 src.strides[i] = 0
   *             else:
   *                 _err_extents(i, dst.shape[i], src.shape[i])             # <<<<<<<<<<<<<<
   * 
   *         if src.suboffsets[i] >= 0:
   */
        /*else*/ {
          __pyx_t_4 = __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_4 == -1)) __PYX_ERR(2, 1281, __pyx_L1_error)
        }
        __pyx_L7:;
  
        /* "View.MemoryView":1276
   * 
   *     for i in range(ndim):
   *         if src.shape[i] != dst.shape[i]:             # <<<<<<<<<<<<<<
   *             if src.shape[i] == 1:
   *                 broadcasting = True
   */
      }
  
      /* "View.MemoryView":1283
   *                 _err_extents(i, dst.shape[i], src.shape[i])
   * 
   *         if src.suboffsets[i] >= 0:             # <<<<<<<<<<<<<<
   *             _err_dim(ValueError, "Dimension %d is not direct", i)
   * 
   */
      __pyx_t_2 = (((__pyx_v_src.suboffsets[__pyx_v_i]) >= 0) != 0);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":1284
   * 
   *         if src.suboffsets[i] >= 0:
   *             _err_dim(ValueError, "Dimension %d is not direct", i)             # <<<<<<<<<<<<<<
   * 
   *     if slices_overlap(&src, &dst, ndim, itemsize):
   */
        __pyx_t_4 = __pyx_memoryview_err_dim(__pyx_builtin_ValueError, ((char *)"Dimension %d is not direct"), __pyx_v_i); if (unlikely(__pyx_t_4 == -1)) __PYX_ERR(2, 1284, __pyx_L1_error)
  
        /* "View.MemoryView":1283
   *                 _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":1286
   *             _err_dim(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);
    if (__pyx_t_2) {
  
      /* "View.MemoryView":1288
   *     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) {
  
        /* "View.MemoryView":1289
   * 
   *         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);
  
        /* "View.MemoryView":1288
   *     if slices_overlap(&src, &dst, ndim, itemsize):
   * 
   *         if not slice_is_contig(src, order, ndim):             # <<<<<<<<<<<<<<
   *             order = get_best_order(&dst, ndim)
   * 
   */
      }
  
      /* "View.MemoryView":1291
   *             order = get_best_order(&dst, ndim)
   * 
   *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)             # <<<<<<<<<<<<<<
   *         src = tmp
   * 
   */
      __pyx_t_6 = __pyx_memoryview_copy_data_to_temp((&__pyx_v_src), (&__pyx_v_tmp), __pyx_v_order, __pyx_v_ndim); if (unlikely(__pyx_t_6 == NULL)) __PYX_ERR(2, 1291, __pyx_L1_error)
      __pyx_v_tmpdata = __pyx_t_6;
  
      /* "View.MemoryView":1292
   * 
   *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)
   *         src = tmp             # <<<<<<<<<<<<<<
   * 
   *     if not broadcasting:
   */
      __pyx_v_src = __pyx_v_tmp;
  
      /* "View.MemoryView":1286
   *             _err_dim(ValueError, "Dimension %d is not direct", i)
   * 
   *     if slices_overlap(&src, &dst, ndim, itemsize):             # <<<<<<<<<<<<<<
   * 
   *         if not slice_is_contig(src, order, ndim):
   */
    }
  
    /* "View.MemoryView":1294
   *         src = tmp
   * 
   *     if not broadcasting:             # <<<<<<<<<<<<<<
   * 
   * 
   */
    __pyx_t_2 = ((!(__pyx_v_broadcasting != 0)) != 0);
    if (__pyx_t_2) {
  
      /* "View.MemoryView":1297
   * 
   * 
   *         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);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":1298
   * 
   *         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":1297
   * 
   * 
   *         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;
      }
  
      /* "View.MemoryView":1299
   *         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);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":1300
   *             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":1299
   *         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_L12:;
  
      /* "View.MemoryView":1302
   *             direct_copy = slice_is_contig(dst, 'F', ndim)
   * 
   *         if direct_copy:             # <<<<<<<<<<<<<<
   * 
   *             refcount_copying(&dst, dtype_is_object, ndim, False)
   */
      __pyx_t_2 = (__pyx_v_direct_copy != 0);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":1304
   *         if direct_copy:
   * 
   *             refcount_copying(&dst, dtype_is_object, ndim, False)             # <<<<<<<<<<<<<<
   *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))
   *             refcount_copying(&dst, dtype_is_object, ndim, True)
   */
        __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 0);
  
        /* "View.MemoryView":1305
   * 
   *             refcount_copying(&dst, dtype_is_object, ndim, False)
   *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))             # <<<<<<<<<<<<<<
   *             refcount_copying(&dst, dtype_is_object, ndim, True)
   *             free(tmpdata)
   */
        memcpy(__pyx_v_dst.data, __pyx_v_src.data, __pyx_memoryview_slice_get_size((&__pyx_v_src), __pyx_v_ndim));
  
        /* "View.MemoryView":1306
   *             refcount_copying(&dst, dtype_is_object, ndim, False)
   *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))
   *             refcount_copying(&dst, dtype_is_object, ndim, True)             # <<<<<<<<<<<<<<
   *             free(tmpdata)
   *             return 0
   */
        __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 1);
  
        /* "View.MemoryView":1307
   *             memcpy(dst.data, src.data, slice_get_size(&src, ndim))
   *             refcount_copying(&dst, dtype_is_object, ndim, True)
   *             free(tmpdata)             # <<<<<<<<<<<<<<
   *             return 0
   * 
   */
        free(__pyx_v_tmpdata);
  
        /* "View.MemoryView":1308
   *             refcount_copying(&dst, dtype_is_object, ndim, True)
   *             free(tmpdata)
   *             return 0             # <<<<<<<<<<<<<<
   * 
   *     if order == 'F' == get_best_order(&dst, ndim):
   */
        __pyx_r = 0;
        goto __pyx_L0;
  
        /* "View.MemoryView":1302
   *             direct_copy = slice_is_contig(dst, 'F', ndim)
   * 
   *         if direct_copy:             # <<<<<<<<<<<<<<
   * 
   *             refcount_copying(&dst, dtype_is_object, ndim, False)
   */
      }
  
      /* "View.MemoryView":1294
   *         src = tmp
   * 
   *     if not broadcasting:             # <<<<<<<<<<<<<<
   * 
   * 
   */
    }
  
    /* "View.MemoryView":1310
   *             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));
    }
    __pyx_t_7 = (__pyx_t_2 != 0);
    if (__pyx_t_7) {
  
      /* "View.MemoryView":1313
   * 
   * 
   *         transpose_memslice(&src)             # <<<<<<<<<<<<<<
   *         transpose_memslice(&dst)
   * 
   */
      __pyx_t_5 = __pyx_memslice_transpose((&__pyx_v_src)); if (unlikely(__pyx_t_5 == 0)) __PYX_ERR(2, 1313, __pyx_L1_error)
  
      /* "View.MemoryView":1314
   * 
   *         transpose_memslice(&src)
   *         transpose_memslice(&dst)             # <<<<<<<<<<<<<<
   * 
   *     refcount_copying(&dst, dtype_is_object, ndim, False)
   */
      __pyx_t_5 = __pyx_memslice_transpose((&__pyx_v_dst)); if (unlikely(__pyx_t_5 == 0)) __PYX_ERR(2, 1314, __pyx_L1_error)
  
      /* "View.MemoryView":1310
   *             return 0
   * 
   *     if order == 'F' == get_best_order(&dst, ndim):             # <<<<<<<<<<<<<<
   * 
   * 
   */
    }
  
    /* "View.MemoryView":1316
   *         transpose_memslice(&dst)
   * 
   *     refcount_copying(&dst, dtype_is_object, ndim, False)             # <<<<<<<<<<<<<<
   *     copy_strided_to_strided(&src, &dst, ndim, itemsize)
   *     refcount_copying(&dst, dtype_is_object, ndim, True)
   */
    __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 0);
  
    /* "View.MemoryView":1317
   * 
   *     refcount_copying(&dst, dtype_is_object, ndim, False)
   *     copy_strided_to_strided(&src, &dst, ndim, itemsize)             # <<<<<<<<<<<<<<
   *     refcount_copying(&dst, dtype_is_object, ndim, True)
   * 
   */
    copy_strided_to_strided((&__pyx_v_src), (&__pyx_v_dst), __pyx_v_ndim, __pyx_v_itemsize);
  
    /* "View.MemoryView":1318
   *     refcount_copying(&dst, dtype_is_object, ndim, False)
   *     copy_strided_to_strided(&src, &dst, ndim, itemsize)
   *     refcount_copying(&dst, dtype_is_object, ndim, True)             # <<<<<<<<<<<<<<
   * 
   *     free(tmpdata)
   */
    __pyx_memoryview_refcount_copying((&__pyx_v_dst), __pyx_v_dtype_is_object, __pyx_v_ndim, 1);
  
    /* "View.MemoryView":1320
   *     refcount_copying(&dst, dtype_is_object, ndim, True)
   * 
   *     free(tmpdata)             # <<<<<<<<<<<<<<
   *     return 0
   * 
   */
    free(__pyx_v_tmpdata);
  
    /* "View.MemoryView":1321
   * 
   *     free(tmpdata)
   *     return 0             # <<<<<<<<<<<<<<
   * 
   * @cname('__pyx_memoryview_broadcast_leading')
   */
    __pyx_r = 0;
    goto __pyx_L0;
  
    /* "View.MemoryView":1252
   * 
   * @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
      PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();
      #endif
      __Pyx_AddTraceback("View.MemoryView.memoryview_copy_contents", __pyx_clineno, __pyx_lineno, __pyx_filename);
      #ifdef WITH_THREAD
      PyGILState_Release(__pyx_gilstate_save);
      #endif
    }
    __pyx_r = -1;
    __pyx_L0:;
    return __pyx_r;
  }
  
  /* "View.MemoryView":1324
   * 
   * @cname('__pyx_memoryview_broadcast_leading')
   * cdef void broadcast_leading(__Pyx_memviewslice *mslice,             # <<<<<<<<<<<<<<
   *                             int ndim,
   *                             int ndim_other) nogil:
   */
  
  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;
  
    /* "View.MemoryView":1328
   *                             int ndim_other) nogil:
   *     cdef int i
   *     cdef int offset = ndim_other - ndim             # <<<<<<<<<<<<<<
   * 
   *     for i in range(ndim - 1, -1, -1):
   */
    __pyx_v_offset = (__pyx_v_ndim_other - __pyx_v_ndim);
  
    /* "View.MemoryView":1330
   *     cdef int offset = ndim_other - ndim
   * 
   *     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 > -1L; __pyx_t_1-=1) {
      __pyx_v_i = __pyx_t_1;
  
      /* "View.MemoryView":1331
   * 
   *     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->shape[(__pyx_v_i + __pyx_v_offset)]) = (__pyx_v_mslice->shape[__pyx_v_i]);
  
      /* "View.MemoryView":1332
   *     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":1333
   *         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_v_mslice->suboffsets[(__pyx_v_i + __pyx_v_offset)]) = (__pyx_v_mslice->suboffsets[__pyx_v_i]);
    }
  
    /* "View.MemoryView":1335
   *         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;
    for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
      __pyx_v_i = __pyx_t_2;
  
      /* "View.MemoryView":1336
   * 
   *     for i in range(offset):
   *         mslice.shape[i] = 1             # <<<<<<<<<<<<<<
   *         mslice.strides[i] = mslice.strides[0]
   *         mslice.suboffsets[i] = -1
   */
      (__pyx_v_mslice->shape[__pyx_v_i]) = 1;
  
      /* "View.MemoryView":1337
   *     for i in range(offset):
   *         mslice.shape[i] = 1
   *         mslice.strides[i] = mslice.strides[0]             # <<<<<<<<<<<<<<
   *         mslice.suboffsets[i] = -1
   * 
   */
      (__pyx_v_mslice->strides[__pyx_v_i]) = (__pyx_v_mslice->strides[0]);
  
      /* "View.MemoryView":1338
   *         mslice.shape[i] = 1
   *         mslice.strides[i] = mslice.strides[0]
   *         mslice.suboffsets[i] = -1             # <<<<<<<<<<<<<<
   * 
   * 
   */
      (__pyx_v_mslice->suboffsets[__pyx_v_i]) = -1L;
    }
  
    /* "View.MemoryView":1324
   * 
   * @cname('__pyx_memoryview_broadcast_leading')
   * cdef void broadcast_leading(__Pyx_memviewslice *mslice,             # <<<<<<<<<<<<<<
   *                             int ndim,
   *                             int ndim_other) nogil:
   */
  
    /* function exit code */
  }
  
  /* "View.MemoryView":1346
   * 
   * @cname('__pyx_memoryview_refcount_copying')
   * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object,             # <<<<<<<<<<<<<<
   *                            int ndim, bint inc) nogil:
   * 
   */
  
  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":1350
   * 
   * 
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    /* "View.MemoryView":1384
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    /* "View.MemoryView":1385
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    /* "View.MemoryView":1387
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   * 
   * 
   */
    __pyx_memoryview_refcount_copying(__pyx_v_dst, __pyx_v_dtype_is_object, __pyx_v_ndim, 1);
  
    /* "View.MemoryView":1381
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   * @cname('__pyx_memoryview_slice_assign_scalar')
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   *                               size_t itemsize, void *item,
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    /* function exit code */
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  /* "View.MemoryView":1391
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   * @cname('__pyx_memoryview__slice_assign_scalar')
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   *                               Py_ssize_t *strides, int ndim,
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    /* "View.MemoryView":1395
   *                               size_t itemsize, void *item) nogil:
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   *     cdef Py_ssize_t extent = shape[0]
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   */
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    /* "View.MemoryView":1396
   *     cdef Py_ssize_t i
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   *     cdef Py_ssize_t extent = shape[0]             # <<<<<<<<<<<<<<
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   *     if ndim == 1:
   */
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    /* "View.MemoryView":1398
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   * 
   *     if ndim == 1:             # <<<<<<<<<<<<<<
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      /* "View.MemoryView":1399
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   *     if ndim == 1:
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        /* "View.MemoryView":1400
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   *             memcpy(data, item, itemsize)             # <<<<<<<<<<<<<<
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   *     else:
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        memcpy(__pyx_v_data, __pyx_v_item, __pyx_v_itemsize);
  
        /* "View.MemoryView":1401
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   *             data += stride             # <<<<<<<<<<<<<<
   *     else:
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        __pyx_v_data = (__pyx_v_data + __pyx_v_stride);
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      /* "View.MemoryView":1398
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   *     if ndim == 1:             # <<<<<<<<<<<<<<
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    /* "View.MemoryView":1403
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   *     else:
   *         for i in range(extent):             # <<<<<<<<<<<<<<
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        /* "View.MemoryView":1404
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        /* "View.MemoryView":1406
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   * 
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    PyObject_GC_UnTrack(o);
    Py_CLEAR(p->name);
    (*Py_TYPE(o)->tp_free)(o);
  }
  
  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 PyMethodDef __pyx_methods_Enum[] = {
    {0, 0, 0, 0}
  };
  
  static PyTypeObject __pyx_type___pyx_MemviewEnum = {
    PyVarObject_HEAD_INIT(0, 0)
    "skimage.feature.brief_cy.Enum", /*tp_name*/
    sizeof(struct __pyx_MemviewEnum_obj), /*tp_basicsize*/
    0, /*tp_itemsize*/
    __pyx_tp_dealloc_Enum, /*tp_dealloc*/
    0, /*tp_print*/
    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*/
    0, /*tp_dictoffset*/
    __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
    0, /*tp_finalize*/
    #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)) {
      o = (*t->tp_alloc)(t, 0);
    } else {
      o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
    }
    if (unlikely(!o)) return 0;
    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 PY_VERSION_HEX >= 0x030400a1
    if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
      if (PyObject_CallFinalizerFromDealloc(o)) return;
    }
    #endif
    PyObject_GC_UnTrack(o);
    {
      PyObject *etype, *eval, *etb;
      PyErr_Fetch(&etype, &eval, &etb);
      ++Py_REFCNT(o);
      __pyx_memoryview___dealloc__(o);
      --Py_REFCNT(o);
      PyErr_Restore(etype, eval, etb);
    }
    Py_CLEAR(p->obj);
    Py_CLEAR(p->_size);
    Py_CLEAR(p->_array_interface);
    (*Py_TYPE(o)->tp_free)(o);
  }
  
  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 {
      PyErr_Format(PyExc_NotImplementedError,
        "Subscript deletion not supported by %.200s", Py_TYPE(o)->tp_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 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},
    {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*/
    #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)
    "skimage.feature.brief_cy.memoryview", /*tp_name*/
    sizeof(struct __pyx_memoryview_obj), /*tp_basicsize*/
    0, /*tp_itemsize*/
    __pyx_tp_dealloc_memoryview, /*tp_dealloc*/
    0, /*tp_print*/
    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*/
    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*/
    #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 PY_VERSION_HEX >= 0x030400a1
    if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
      if (PyObject_CallFinalizerFromDealloc(o)) return;
    }
    #endif
    PyObject_GC_UnTrack(o);
    {
      PyObject *etype, *eval, *etb;
      PyErr_Fetch(&etype, &eval, &etb);
      ++Py_REFCNT(o);
      __pyx_memoryviewslice___dealloc__(o);
      --Py_REFCNT(o);
      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_XDEC_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[] = {
    {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}
  };
  
  static PyTypeObject __pyx_type___pyx_memoryviewslice = {
    PyVarObject_HEAD_INIT(0, 0)
    "skimage.feature.brief_cy._memoryviewslice", /*tp_name*/
    sizeof(struct __pyx_memoryviewslice_obj), /*tp_basicsize*/
    0, /*tp_itemsize*/
    __pyx_tp_dealloc__memoryviewslice, /*tp_dealloc*/
    0, /*tp_print*/
    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
    __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
    __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, /*tp_flags*/
    "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*/
    __pyx_getsets__memoryviewslice, /*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__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
    0, /*tp_finalize*/
    #endif
  };
  
  static PyMethodDef __pyx_methods[] = {
    {0, 0, 0, 0}
  };
  
  #if PY_MAJOR_VERSION >= 3
  static struct PyModuleDef __pyx_moduledef = {
    #if PY_VERSION_HEX < 0x03020000
      { PyObject_HEAD_INIT(NULL) NULL, 0, NULL },
    #else
      PyModuleDef_HEAD_INIT,
    #endif
      "brief_cy",
      0, /* m_doc */
      -1, /* m_size */
      __pyx_methods /* m_methods */,
      NULL, /* m_reload */
      NULL, /* m_traverse */
      NULL, /* m_clear */
      NULL /* m_free */
  };
  #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_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_u_Format_string_allocated_too_shor, __pyx_k_Format_string_allocated_too_shor, sizeof(__pyx_k_Format_string_allocated_too_shor), 0, 1, 0, 0},
    {&__pyx_kp_u_Format_string_allocated_too_shor_2, __pyx_k_Format_string_allocated_too_shor_2, sizeof(__pyx_k_Format_string_allocated_too_shor_2), 0, 1, 0, 0},
    {&__pyx_n_s_ImportError, __pyx_k_ImportError, sizeof(__pyx_k_ImportError), 0, 0, 1, 1},
    {&__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_kp_u_Non_native_byte_order_not_suppor, __pyx_k_Non_native_byte_order_not_suppor, sizeof(__pyx_k_Non_native_byte_order_not_suppor), 0, 1, 0, 0},
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    /* "View.MemoryView":313
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    /*--- Wrapped vars code ---*/
  
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          PyErr_Format(PyExc_NameError,
  #if PY_MAJOR_VERSION >= 3
              "name '%U' is not defined", name);
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              "name '%.200s' is not defined", PyString_AS_STRING(name));
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  /* RaiseArgTupleInvalid */
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                   func_name, more_or_less, num_expected,
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  /* RaiseDoubleKeywords */
  static void __Pyx_RaiseDoubleKeywordsError(
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      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));
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  /* ParseKeywords */
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          if (*name) {
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          name = first_kw_arg;
          #if PY_MAJOR_VERSION < 3
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              while (*name) {
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                  #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                      (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
                  #endif
                      PyUnicode_Compare(**name, key);
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                  while (argname != first_kw_arg) {
                      int cmp = (**argname == key) ? 0 :
                      #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                          (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
                      #endif
                          PyUnicode_Compare(**argname, key);
                      if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
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              goto invalid_keyword_type;
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  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
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  /* BufferFormatCheck */
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    unsigned int n = 1;
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  }
  static void __Pyx_BufFmt_Init(__Pyx_BufFmt_Context* ctx,
                                __Pyx_BufFmt_StackElem* stack,
                                __Pyx_TypeInfo* type) {
    stack[0].field = &ctx->root;
    stack[0].parent_offset = 0;
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    ctx->root.name = "buffer dtype";
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    ctx->head = stack;
    ctx->head->field = &ctx->root;
    ctx->fmt_offset = 0;
    ctx->head->parent_offset = 0;
    ctx->new_packmode = '@';
    ctx->enc_packmode = '@';
    ctx->new_count = 1;
    ctx->enc_count = 0;
    ctx->enc_type = 0;
    ctx->is_complex = 0;
    ctx->is_valid_array = 0;
    ctx->struct_alignment = 0;
    while (type->typegroup == 'S') {
      ++ctx->head;
      ctx->head->field = type->fields;
      ctx->head->parent_offset = 0;
      type = type->fields->type;
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  static int __Pyx_BufFmt_ParseNumber(const char** ts) {
      int count;
      const char* t = *ts;
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        return -1;
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              count *= 10;
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  static int __Pyx_BufFmt_ExpectNumber(const char **ts) {
      int number = __Pyx_BufFmt_ParseNumber(ts);
      if (number == -1)
          PyErr_Format(PyExc_ValueError,\
                       "Does not understand character buffer dtype format string ('%c')", **ts);
      return number;
  }
  static void __Pyx_BufFmt_RaiseUnexpectedChar(char ch) {
    PyErr_Format(PyExc_ValueError,
                 "Unexpected format string character: '%c'", ch);
  }
  static const char* __Pyx_BufFmt_DescribeTypeChar(char ch, int is_complex) {
    switch (ch) {
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      case 'O': return "Python object";
      case 'P': return "a pointer";
      case 's': case 'p': return "a string";
      case 0: return "end";
      default: return "unparseable format string";
    }
  }
  static size_t __Pyx_BufFmt_TypeCharToStandardSize(char ch, int is_complex) {
    switch (ch) {
      case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
      case 'h': case 'H': return 2;
      case 'i': case 'I': case 'l': case 'L': return 4;
      case 'q': case 'Q': return 8;
      case 'f': return (is_complex ? 8 : 4);
      case 'd': return (is_complex ? 16 : 8);
      case 'g': {
        PyErr_SetString(PyExc_ValueError, "Python does not define a standard format string size for long double ('g')..");
        return 0;
      }
      case 'O': case 'P': return sizeof(void*);
      default:
        __Pyx_BufFmt_RaiseUnexpectedChar(ch);
        return 0;
      }
  }
  static size_t __Pyx_BufFmt_TypeCharToNativeSize(char ch, int is_complex) {
    switch (ch) {
      case 'c': case 'b': case 'B': case 's': case 'p': return 1;
      case 'h': case 'H': return sizeof(short);
      case 'i': case 'I': return sizeof(int);
      case 'l': case 'L': return sizeof(long);
      #ifdef HAVE_LONG_LONG
      case 'q': case 'Q': return sizeof(PY_LONG_LONG);
      #endif
      case 'f': return sizeof(float) * (is_complex ? 2 : 1);
      case 'd': return sizeof(double) * (is_complex ? 2 : 1);
      case 'g': return sizeof(long double) * (is_complex ? 2 : 1);
      case 'O': case 'P': return sizeof(void*);
      default: {
        __Pyx_BufFmt_RaiseUnexpectedChar(ch);
        return 0;
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  typedef struct { char c; int x; } __Pyx_st_int;
  typedef struct { char c; long x; } __Pyx_st_long;
  typedef struct { char c; float x; } __Pyx_st_float;
  typedef struct { char c; double x; } __Pyx_st_double;
  typedef struct { char c; long double x; } __Pyx_st_longdouble;
  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) {
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      case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
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      case 'd': return sizeof(__Pyx_st_double) - sizeof(double);
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  typedef struct { float x; char c; } __Pyx_pad_float;
  typedef struct { double x; char c; } __Pyx_pad_double;
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      if (ctx->enc_packmode == '@') {
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        align_mod_offset = ctx->fmt_offset % align_at;
        if (align_mod_offset > 0) ctx->fmt_offset += align_at - align_mod_offset;
        if (ctx->struct_alignment == 0)
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          ctx->head->field = type->fields;
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        if ((type->typegroup == 'H' || group == 'H') && type->size == size) {
        } else {
            __Pyx_BufFmt_RaiseExpected(ctx);
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      offset = ctx->head->parent_offset + field->offset;
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        PyErr_Format(PyExc_ValueError,
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                     (Py_ssize_t)ctx->fmt_offset, (Py_ssize_t)offset);
        return -1;
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      ctx->fmt_offset += size;
      if (arraysize)
        ctx->fmt_offset += (arraysize - 1) * size;
      --ctx->enc_count;
      while (1) {
        if (field == &ctx->root) {
          ctx->head = NULL;
          if (ctx->enc_count != 0) {
            __Pyx_BufFmt_RaiseExpected(ctx);
            return -1;
          }
          break;
        }
        ctx->head->field = ++field;
        if (field->type == NULL) {
          --ctx->head;
          field = ctx->head->field;
          continue;
        } else if (field->type->typegroup == 'S') {
          size_t parent_offset = ctx->head->parent_offset + field->offset;
          if (field->type->fields->type == NULL) continue;
          field = field->type->fields;
          ++ctx->head;
          ctx->head->field = field;
          ctx->head->parent_offset = parent_offset;
          break;
        } else {
          break;
        }
      }
    } while (ctx->enc_count);
    ctx->enc_type = 0;
    ctx->is_complex = 0;
    return 0;
  }
  static CYTHON_INLINE PyObject *
  __pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
  {
      const char *ts = *tsp;
      int i = 0, number;
      int ndim = ctx->head->field->type->ndim;
  ;
      ++ts;
      if (ctx->new_count != 1) {
          PyErr_SetString(PyExc_ValueError,
                          "Cannot handle repeated arrays in format string");
          return NULL;
      }
      if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
      while (*ts && *ts != ')') {
          switch (*ts) {
              case ' ': case '\f': case '\r': case '\n': case '\t': case '\v':  continue;
              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,
                          "Expected a dimension of size %zu, got %d",
                          ctx->head->field->type->arraysize[i], number);
          if (*ts != ',' && *ts != ')')
              return PyErr_Format(PyExc_ValueError,
                                  "Expected a comma in format string, got '%c'", *ts);
          if (*ts == ',') ts++;
          i++;
      }
      if (i != ndim)
          return PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
                              ctx->head->field->type->ndim, i);
      if (!*ts) {
          PyErr_SetString(PyExc_ValueError,
                          "Unexpected end of format string, expected ')'");
          return NULL;
      }
      ctx->is_valid_array = 1;
      ctx->new_count = 1;
      *tsp = ++ts;
      return Py_None;
  }
  static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts) {
    int got_Z = 0;
    while (1) {
      switch(*ts) {
        case 0:
          if (ctx->enc_type != 0 && ctx->head == NULL) {
            __Pyx_BufFmt_RaiseExpected(ctx);
            return NULL;
          }
          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
          if (ctx->head != NULL) {
            __Pyx_BufFmt_RaiseExpected(ctx);
            return NULL;
          }
          return ts;
        case ' ':
        case '\r':
        case '\n':
          ++ts;
          break;
        case '<':
          if (!__Pyx_IsLittleEndian()) {
            PyErr_SetString(PyExc_ValueError, "Little-endian buffer not supported on big-endian compiler");
            return NULL;
          }
          ctx->new_packmode = '=';
          ++ts;
          break;
        case '>':
        case '!':
          if (__Pyx_IsLittleEndian()) {
            PyErr_SetString(PyExc_ValueError, "Big-endian buffer not supported on little-endian compiler");
            return NULL;
          }
          ctx->new_packmode = '=';
          ++ts;
          break;
        case '=':
        case '@':
        case '^':
          ctx->new_packmode = *ts++;
          break;
        case 'T':
          {
            const char* ts_after_sub;
            size_t i, struct_count = ctx->new_count;
            size_t struct_alignment = ctx->struct_alignment;
            ctx->new_count = 1;
            ++ts;
            if (*ts != '{') {
              PyErr_SetString(PyExc_ValueError, "Buffer acquisition: Expected '{' after 'T'");
              return NULL;
            }
            if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
            ctx->enc_type = 0;
            ctx->enc_count = 0;
            ctx->struct_alignment = 0;
            ++ts;
            ts_after_sub = ts;
            for (i = 0; i != struct_count; ++i) {
              ts_after_sub = __Pyx_BufFmt_CheckString(ctx, ts);
              if (!ts_after_sub) return NULL;
            }
            ts = ts_after_sub;
            if (struct_alignment) ctx->struct_alignment = struct_alignment;
          }
          break;
        case '}':
          {
            size_t alignment = ctx->struct_alignment;
            ++ts;
            if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
            ctx->enc_type = 0;
            if (alignment && ctx->fmt_offset % alignment) {
              ctx->fmt_offset += alignment - (ctx->fmt_offset % alignment);
            }
          }
          return ts;
        case 'x':
          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
          ctx->fmt_offset += ctx->new_count;
          ctx->new_count = 1;
          ctx->enc_count = 0;
          ctx->enc_type = 0;
          ctx->enc_packmode = ctx->new_packmode;
          ++ts;
          break;
        case 'Z':
          got_Z = 1;
          ++ts;
          if (*ts != 'f' && *ts != 'd' && *ts != 'g') {
            __Pyx_BufFmt_RaiseUnexpectedChar('Z');
            return NULL;
          }
        case 'c': case 'b': case 'B': case 'h': case 'H': case 'i': case 'I':
        case 'l': case 'L': case 'q': case 'Q':
        case 'f': case 'd': case 'g':
        case 'O': case 'p':
          if (ctx->enc_type == *ts && got_Z == ctx->is_complex &&
              ctx->enc_packmode == ctx->new_packmode) {
            ctx->enc_count += ctx->new_count;
            ctx->new_count = 1;
            got_Z = 0;
            ++ts;
            break;
          }
        case 's':
          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
          ctx->enc_count = ctx->new_count;
          ctx->enc_packmode = ctx->new_packmode;
          ctx->enc_type = *ts;
          ctx->is_complex = got_Z;
          ++ts;
          ctx->new_count = 1;
          got_Z = 0;
          break;
        case ':':
          ++ts;
          while(*ts != ':') ++ts;
          ++ts;
          break;
        case '(':
          if (!__pyx_buffmt_parse_array(ctx, &ts)) return NULL;
          break;
        default:
          {
            int number = __Pyx_BufFmt_ExpectNumber(&ts);
            if (number == -1) return NULL;
            ctx->new_count = (size_t)number;
          }
      }
    }
  }
  static CYTHON_INLINE void __Pyx_ZeroBuffer(Py_buffer* buf) {
    buf->buf = NULL;
    buf->obj = NULL;
    buf->strides = __Pyx_zeros;
    buf->shape = __Pyx_zeros;
    buf->suboffsets = __Pyx_minusones;
  }
  static CYTHON_INLINE int __Pyx_GetBufferAndValidate(
          Py_buffer* buf, PyObject* obj,  __Pyx_TypeInfo* dtype, int flags,
          int nd, int cast, __Pyx_BufFmt_StackElem* stack)
  {
    if (obj == Py_None || obj == NULL) {
      __Pyx_ZeroBuffer(buf);
      return 0;
    }
    buf->buf = NULL;
    if (__Pyx_GetBuffer(obj, buf, flags) == -1) goto fail;
    if (buf->ndim != nd) {
      PyErr_Format(PyExc_ValueError,
                   "Buffer has wrong number of dimensions (expected %d, got %d)",
                   nd, buf->ndim);
      goto fail;
    }
    if (!cast) {
      __Pyx_BufFmt_Context ctx;
      __Pyx_BufFmt_Init(&ctx, stack, dtype);
      if (!__Pyx_BufFmt_CheckString(&ctx, buf->format)) goto fail;
    }
    if ((unsigned)buf->itemsize != dtype->size) {
      PyErr_Format(PyExc_ValueError,
        "Item size of buffer (%" CYTHON_FORMAT_SSIZE_T "d byte%s) does not match size of '%s' (%" CYTHON_FORMAT_SSIZE_T "d byte%s)",
        buf->itemsize, (buf->itemsize > 1) ? "s" : "",
        dtype->name, (Py_ssize_t)dtype->size, (dtype->size > 1) ? "s" : "");
      goto fail;
    }
    if (buf->suboffsets == NULL) buf->suboffsets = __Pyx_minusones;
    return 0;
  fail:;
    __Pyx_ZeroBuffer(buf);
    return -1;
  }
  static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info) {
    if (info->buf == NULL) return;
    if (info->suboffsets == __Pyx_minusones) info->suboffsets = NULL;
    __Pyx_ReleaseBuffer(info);
  }
  
  /* 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 (!buf) {
          PyErr_SetString(PyExc_ValueError,
              "buf is NULL.");
          goto fail;
      } else if (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;
  }
  static CYTHON_INLINE void __pyx_fatalerror(const char *fmt, ...) {
      va_list vargs;
      char msg[200];
  #ifdef HAVE_STDARG_PROTOTYPES
      va_start(vargs, fmt);
  #else
      va_start(vargs);
  #endif
      vsnprintf(msg, 200, fmt, vargs);
      Py_FatalError(msg);
      va_end(vargs);
  }
  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 (!memview || (PyObject *) memview == Py_None)
          return;
      if (__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 (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 (!memview ) {
          return;
      } else if ((PyObject *) memview == Py_None) {
          memslice->memview = NULL;
          return;
      }
      if (__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 (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;
      }
  }
  
  /* PyObjectCall */
    #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
      PyObject *result;
      ternaryfunc call = func->ob_type->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) {
      __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;
          }
      }
      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 PY_VERSION_HEX >= 0x03030000
      if (cause) {
  #else
      if (cause && cause != Py_None) {
  #endif
          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 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 = PyThreadState_GET();
          PyObject* tmp_tb = tstate->curexc_traceback;
          if (tb != tmp_tb) {
              Py_INCREF(tb);
              tstate->curexc_traceback = tb;
              Py_XDECREF(tmp_tb);
          }
  #endif
      }
  bad:
      Py_XDECREF(owned_instance);
      return;
  }
  #endif
  
  /* 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(PyObject_TypeCheck(obj, type)))
          return 1;
      PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
                   Py_TYPE(obj)->tp_name, type->tp_name);
      return 0;
  }
  
  /* SaveResetException */
      #if CYTHON_FAST_THREAD_STATE
  static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
      *type = tstate->exc_type;
      *value = tstate->exc_value;
      *tb = tstate->exc_traceback;
      Py_XINCREF(*type);
      Py_XINCREF(*value);
      Py_XINCREF(*tb);
  }
  static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      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;
      Py_XDECREF(tmp_type);
      Py_XDECREF(tmp_value);
      Py_XDECREF(tmp_tb);
  }
  #endif
  
  /* PyErrExceptionMatches */
      #if CYTHON_FAST_THREAD_STATE
  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;
      return PyErr_GivenExceptionMatches(exc_type, err);
  }
  #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, *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;
  #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))
  #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
      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;
      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;
  }
  
  /* ArgTypeTest */
        static void __Pyx_RaiseArgumentTypeInvalid(const char* name, PyObject *obj, PyTypeObject *type) {
      PyErr_Format(PyExc_TypeError,
          "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)",
          name, type->tp_name, Py_TYPE(obj)->tp_name);
  }
  static CYTHON_INLINE int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
      const char *name, int exact)
  {
      if (unlikely(!type)) {
          PyErr_SetString(PyExc_SystemError, "Missing type object");
          return 0;
      }
      if (none_allowed && obj == Py_None) return 1;
      else if (exact) {
          if (likely(Py_TYPE(obj) == type)) return 1;
          #if PY_MAJOR_VERSION == 2
          else if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1;
          #endif
      }
      else {
          if (likely(PyObject_TypeCheck(obj, type))) return 1;
      }
      __Pyx_RaiseArgumentTypeInvalid(name, obj, type);
      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 = 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
      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;
          }
          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_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
  }
  
  /* GetAttr */
        static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) {
  #if CYTHON_COMPILING_IN_CPYTHON
  #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);
  }
  
  /* 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 (stop < 0)
              stop += length;
      }
      length = stop - start;
      if (unlikely(length <= 0))
          return PyUnicode_FromUnicode(NULL, 0);
      cstring += start;
      if (decode_func) {
          return decode_func(cstring, length, errors);
      } else {
          return PyUnicode_Decode(cstring, length, encoding, errors);
      }
  }
  
  /* 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;
      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;
      *type = tmp_type;
      *value = tmp_value;
      *tb = tmp_tb;
  }
  #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
  
  /* 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_VERSION_HEX < 0x03030000
      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 (strchr(__Pyx_MODULE_NAME, '.')) {
                  #if PY_VERSION_HEX < 0x03030000
                  PyObject *py_level = PyInt_FromLong(1);
                  if (!py_level)
                      goto bad;
                  module = PyObject_CallFunctionObjArgs(py_import,
                      name, global_dict, empty_dict, list, py_level, NULL);
                  Py_DECREF(py_level);
                  #else
                  module = PyImport_ImportModuleLevelObject(
                      name, global_dict, empty_dict, list, 1);
                  #endif
                  if (!module) {
                      if (!PyErr_ExceptionMatches(PyExc_ImportError))
                          goto bad;
                      PyErr_Clear();
                  }
              }
              level = 0;
          }
          #endif
          if (!module) {
              #if PY_VERSION_HEX < 0x03030000
              PyObject *py_level = PyInt_FromLong(level);
              if (!py_level)
                  goto bad;
              module = PyObject_CallFunctionObjArgs(py_import,
                  name, global_dict, empty_dict, list, py_level, NULL);
              Py_DECREF(py_level);
              #else
              module = PyImport_ImportModuleLevelObject(
                  name, global_dict, empty_dict, list, level);
              #endif
          }
      }
  bad:
      #if PY_VERSION_HEX < 0x03030000
      Py_XDECREF(py_import);
      #endif
      Py_XDECREF(empty_list);
      Py_XDECREF(empty_dict);
      return module;
  }
  
  /* PyFunctionFastCall */
        #if CYTHON_FAST_PYCALL
  #include "frameobject.h"
  static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
                                                 PyObject *globals) {
      PyFrameObject *f;
      PyThreadState *tstate = PyThreadState_GET();
      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 = f->f_localsplus;
      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, int 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;
          }
      }
      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, nargs,
                                 k, (int)nk,
                                 d, (int)nd, kwdefs, closure);
  #else
      result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
                                 args, nargs,
                                 k, (int)nk,
                                 d, (int)nd, closure);
  #endif
      Py_XDECREF(kwtuple);
  done:
      Py_LeaveRecursiveCall();
      return result;
  }
  #endif  // CPython < 3.6
  #endif  // CYTHON_FAST_PYCALL
  
  /* 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);
      PyObject *result;
      int flags;
      assert(PyCFunction_Check(func));
      assert(METH_FASTCALL == PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST));
      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());
      return (*((__Pyx_PyCFunctionFast)meth)) (self, args, nargs, NULL);
  }
  #endif  // CYTHON_FAST_PYCCALL
  
  /* GetItemInt */
        static CYTHON_INLINE 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
      if (wraparound & unlikely(i < 0)) i += PyList_GET_SIZE(o);
      if ((!boundscheck) || likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
          PyObject *r = PyList_GET_ITEM(o, 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
      if (wraparound & unlikely(i < 0)) i += PyTuple_GET_SIZE(o);
      if ((!boundscheck) || likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
          PyObject *r = PyTuple_GET_ITEM(o, 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((n >= 0) & (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((n >= 0) & (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();
                  }
              }
              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));
  }
  
  /* PyIntBinop */
        #if !CYTHON_COMPILING_IN_PYPY
  static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, CYTHON_UNUSED int inplace) {
      #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
                      }
                  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
                      }
                  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
                      }
                  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
                      }
                  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
                      }
                  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
                      }
                  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);
  #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);
  }
  
  /* WriteUnraisableException */
        static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
                                    CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename,
                                    int full_traceback, CYTHON_UNUSED int nogil) {
      PyObject *old_exc, *old_val, *old_tb;
      PyObject *ctx;
      __Pyx_PyThreadState_declare
  #ifdef WITH_THREAD
      PyGILState_STATE state;
      if (nogil)
          state = PyGILState_Ensure();
  #ifdef _MSC_VER
      else state = (PyGILState_STATE)-1;
  #endif
  #endif
      __Pyx_PyThreadState_assign
      __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
      if (full_traceback) {
          Py_XINCREF(old_exc);
          Py_XINCREF(old_val);
          Py_XINCREF(old_tb);
          __Pyx_ErrRestore(old_exc, old_val, old_tb);
          PyErr_PrintEx(1);
      }
      #if PY_MAJOR_VERSION < 3
      ctx = PyString_FromString(name);
      #else
      ctx = PyUnicode_FromString(name);
      #endif
      __Pyx_ErrRestore(old_exc, old_val, old_tb);
      if (!ctx) {
          PyErr_WriteUnraisable(Py_None);
      } else {
          PyErr_WriteUnraisable(ctx);
          Py_DECREF(ctx);
      }
  #ifdef WITH_THREAD
      if (nogil)
          PyGILState_Release(state);
  #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);
      if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
          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");
      }
      return result;
  }
  #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);
      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
  #ifdef __Pyx_CyFunction_USED
      if (likely(PyCFunction_Check(func) || PyObject_TypeCheck(func, __pyx_CyFunctionType))) {
  #else
      if (likely(PyCFunction_Check(func))) {
  #endif
          if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
              return __Pyx_PyObject_CallMethO(func, arg);
  #if CYTHON_FAST_PYCCALL
          } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) {
              return __Pyx_PyCFunction_FastCall(func, &arg, 1);
  #endif
          }
      }
      return __Pyx__PyObject_CallOneArg(func, arg);
  }
  #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;
  }
  #endif
  
  /* SetVTable */
          static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
  #if PY_VERSION_HEX >= 0x02070000
      PyObject *ob = PyCapsule_New(vtable, 0, 0);
  #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;
  }
  
  /* CodeObjectCache */
          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) {
          return count;
      }
      while (start < end) {
          mid = start + (end - start) / 2;
          if (code_line < entries[mid].code_line) {
              end = mid;
          } else if (code_line > entries[mid].code_line) {
               start = mid + 1;
          } else {
              return mid;
          }
      }
      if (code_line <= entries[mid].code_line) {
          return mid;
      } else {
          return mid + 1;
      }
  }
  static PyCodeObject *__pyx_find_code_object(int code_line) {
      PyCodeObject* code_object;
      int pos;
      if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
          return NULL;
      }
      pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
      if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
          return NULL;
      }
      code_object = __pyx_code_cache.entries[pos].code_object;
      Py_INCREF(code_object);
      return code_object;
  }
  static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
      int pos, i;
      __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
      if (unlikely(!code_line)) {
          return;
      }
      if (unlikely(!entries)) {
          entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
          if (likely(entries)) {
              __pyx_code_cache.entries = entries;
              __pyx_code_cache.max_count = 64;
              __pyx_code_cache.count = 1;
              entries[0].code_line = code_line;
              entries[0].code_object = code_object;
              Py_INCREF(code_object);
          }
          return;
      }
      pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
      if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
          PyCodeObject* tmp = entries[pos].code_object;
          entries[pos].code_object = code_object;
          Py_DECREF(tmp);
          return;
      }
      if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
          int new_max = __pyx_code_cache.max_count + 64;
          entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
              __pyx_code_cache.entries, (size_t)new_max*sizeof(__Pyx_CodeObjectCacheEntry));
          if (unlikely(!entries)) {
              return;
          }
          __pyx_code_cache.entries = entries;
          __pyx_code_cache.max_count = new_max;
      }
      for (i=__pyx_code_cache.count; i>pos; i--) {
          entries[i] = entries[i-1];
      }
      entries[pos].code_line = code_line;
      entries[pos].code_object = code_object;
      __pyx_code_cache.count++;
      Py_INCREF(code_object);
  }
  
  /* AddTraceback */
          #include "compile.h"
  #include "frameobject.h"
  #include "traceback.h"
  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;
      #if PY_MAJOR_VERSION < 3
      py_srcfile = PyString_FromString(filename);
      #else
      py_srcfile = PyUnicode_FromString(filename);
      #endif
      if (!py_srcfile) goto bad;
      if (c_line) {
          #if PY_MAJOR_VERSION < 3
          py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
          #else
          py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
          #endif
      }
      else {
          #if PY_MAJOR_VERSION < 3
          py_funcname = PyString_FromString(funcname);
          #else
          py_funcname = PyUnicode_FromString(funcname);
          #endif
      }
      if (!py_funcname) goto bad;
      py_code = __Pyx_PyCode_New(
          0,
          0,
          0,
          0,
          0,
          __pyx_empty_bytes, /*PyObject *code,*/
          __pyx_empty_tuple, /*PyObject *consts,*/
          __pyx_empty_tuple, /*PyObject *names,*/
          __pyx_empty_tuple, /*PyObject *varnames,*/
          __pyx_empty_tuple, /*PyObject *freevars,*/
          __pyx_empty_tuple, /*PyObject *cellvars,*/
          py_srcfile,   /*PyObject *filename,*/
          py_funcname,  /*PyObject *name,*/
          py_line,
          __pyx_empty_bytes  /*PyObject *lnotab*/
      );
      Py_DECREF(py_srcfile);
      Py_DECREF(py_funcname);
      return py_code;
  bad:
      Py_XDECREF(py_srcfile);
      Py_XDECREF(py_funcname);
      return NULL;
  }
  static void __Pyx_AddTraceback(const char *funcname, int c_line,
                                 int py_line, const char *filename) {
      PyCodeObject *py_code = 0;
      PyFrameObject *py_frame = 0;
      py_code = __pyx_find_code_object(c_line ? c_line : py_line);
      if (!py_code) {
          py_code = __Pyx_CreateCodeObjectForTraceback(
              funcname, c_line, py_line, filename);
          if (!py_code) goto bad;
          __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
      }
      py_frame = PyFrame_New(
          PyThreadState_GET(), /*PyThreadState *tstate,*/
          py_code,             /*PyCodeObject *code,*/
          __pyx_d,      /*PyObject *globals,*/
          0                    /*PyObject *locals*/
      );
      if (!py_frame) goto bad;
      __Pyx_PyFrame_SetLineNumber(py_frame, py_line);
      PyTraceBack_Here(py_frame);
  bad:
      Py_XDECREF(py_code);
      Py_XDECREF(py_frame);
  }
  
  #if PY_MAJOR_VERSION < 3
  static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
      if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
          if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) return __pyx_pw_5numpy_7ndarray_1__getbuffer__(obj, view, flags);
          if (PyObject_TypeCheck(obj, __pyx_array_type)) return __pyx_array_getbuffer(obj, view, flags);
          if (PyObject_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);
      return -1;
  }
  static void __Pyx_ReleaseBuffer(Py_buffer *view) {
      PyObject *obj = view->obj;
      if (!obj) return;
      if (PyObject_CheckBuffer(obj)) {
          PyBuffer_Release(view);
          return;
      }
          if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) { __pyx_pw_5numpy_7ndarray_3__releasebuffer__(obj, view); return; }
      Py_DECREF(obj);
      view->obj = NULL;
  }
  #endif
  
  
          /* MemviewSliceIsContig */
          static int
  __pyx_memviewslice_is_contig(const __Pyx_memviewslice mvs,
                               char order, int ndim)
  {
      int i, index, step, start;
      Py_ssize_t itemsize = mvs.memview->view.itemsize;
      if (order == 'F') {
          step = 1;
          start = 0;
      } else {
          step = -1;
          start = ndim - 1;
      }
      for (i = 0; i < ndim; i++) {
          index = start + step * i;
          if (mvs.suboffsets[index] >= 0 || mvs.strides[index] != itemsize)
              return 0;
          itemsize *= mvs.shape[index];
      }
      return 1;
  }
  
  /* OverlappingSlices */
          static void
  __pyx_get_array_memory_extents(__Pyx_memviewslice *slice,
                                 void **out_start, void **out_end,
                                 int ndim, size_t itemsize)
  {
      char *start, *end;
      int i;
      start = end = slice->data;
      for (i = 0; i < ndim; i++) {
          Py_ssize_t stride = slice->strides[i];
          Py_ssize_t extent = slice->shape[i];
          if (extent == 0) {
              *out_start = *out_end = start;
              return;
          } else {
              if (stride > 0)
                  end += stride * (extent - 1);
              else
                  start += stride * (extent - 1);
          }
      }
      *out_start = start;
      *out_end = end + itemsize;
  }
  static int
  __pyx_slices_overlap(__Pyx_memviewslice *slice1,
                       __Pyx_memviewslice *slice2,
                       int ndim, size_t itemsize)
  {
      void *start1, *end1, *start2, *end2;
      __pyx_get_array_memory_extents(slice1, &start1, &end1, ndim, itemsize);
      __pyx_get_array_memory_extents(slice2, &start2, &end2, ndim, itemsize);
      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;
  }
  
  /* TypeInfoCompare */
          static int
  __pyx_typeinfo_cmp(__Pyx_TypeInfo *a, __Pyx_TypeInfo *b)
  {
      int i;
      if (!a || !b)
          return 0;
      if (a == b)
          return 1;
      if (a->size != b->size || a->typegroup != b->typegroup ||
              a->is_unsigned != b->is_unsigned || a->ndim != b->ndim) {
          if (a->typegroup == 'H' || b->typegroup == 'H') {
              return a->size == b->size;
          } else {
              return 0;
          }
      }
      if (a->ndim) {
          for (i = 0; i < a->ndim; i++)
              if (a->arraysize[i] != b->arraysize[i])
                  return 0;
      }
      if (a->typegroup == 'S') {
          if (a->flags != b->flags)
              return 0;
          if (a->fields || b->fields) {
              if (!(a->fields && b->fields))
                  return 0;
              for (i = 0; a->fields[i].type && b->fields[i].type; i++) {
                  __Pyx_StructField *field_a = a->fields + i;
                  __Pyx_StructField *field_b = b->fields + i;
                  if (field_a->offset != field_b->offset ||
                      !__pyx_typeinfo_cmp(field_a->type, field_b->type))
                      return 0;
              }
              return !a->fields[i].type && !b->fields[i].type;
          }
      }
      return 1;
  }
  
  /* MemviewSliceValidateAndInit */
          static int
  __pyx_check_strides(Py_buffer *buf, int dim, int ndim, int spec)
  {
      if (buf->shape[dim] <= 1)
          return 1;
      if (buf->strides) {
          if (spec & __Pyx_MEMVIEW_CONTIG) {
              if (spec & (__Pyx_MEMVIEW_PTR|__Pyx_MEMVIEW_FULL)) {
                  if (buf->strides[dim] != sizeof(void *)) {
                      PyErr_Format(PyExc_ValueError,
                                   "Buffer is not indirectly contiguous "
                                   "in dimension %d.", dim);
                      goto fail;
                  }
              } else if (buf->strides[dim] != buf->itemsize) {
                  PyErr_SetString(PyExc_ValueError,
                                  "Buffer and memoryview are not contiguous "
                                  "in the same dimension.");
                  goto fail;
              }
          }
          if (spec & __Pyx_MEMVIEW_FOLLOW) {
              Py_ssize_t stride = buf->strides[dim];
              if (stride < 0)
                  stride = -stride;
              if (stride < buf->itemsize) {
                  PyErr_SetString(PyExc_ValueError,
                                  "Buffer and memoryview are not contiguous "
                                  "in the same dimension.");
                  goto fail;
              }
          }
      } else {
          if (spec & __Pyx_MEMVIEW_CONTIG && dim != ndim - 1) {
              PyErr_Format(PyExc_ValueError,
                           "C-contiguous buffer is not contiguous in "
                           "dimension %d", dim);
              goto fail;
          } else if (spec & (__Pyx_MEMVIEW_PTR)) {
              PyErr_Format(PyExc_ValueError,
                           "C-contiguous buffer is not indirect in "
                           "dimension %d", dim);
              goto fail;
          } else if (buf->suboffsets) {
              PyErr_SetString(PyExc_ValueError,
                              "Buffer exposes suboffsets but no strides");
              goto fail;
          }
      }
      return 1;
  fail:
      return 0;
  }
  static int
  __pyx_check_suboffsets(Py_buffer *buf, int dim, CYTHON_UNUSED int ndim, int spec)
  {
      if (spec & __Pyx_MEMVIEW_DIRECT) {
          if (buf->suboffsets && buf->suboffsets[dim] >= 0) {
              PyErr_Format(PyExc_ValueError,
                           "Buffer not compatible with direct access "
                           "in dimension %d.", dim);
              goto fail;
          }
      }
      if (spec & __Pyx_MEMVIEW_PTR) {
          if (!buf->suboffsets || (buf->suboffsets && buf->suboffsets[dim] < 0)) {
              PyErr_Format(PyExc_ValueError,
                           "Buffer is not indirectly accessible "
                           "in dimension %d.", dim);
              goto fail;
          }
      }
      return 1;
  fail:
      return 0;
  }
  static int
  __pyx_verify_contig(Py_buffer *buf, int ndim, int c_or_f_flag)
  {
      int i;
      if (c_or_f_flag & __Pyx_IS_F_CONTIG) {
          Py_ssize_t stride = 1;
          for (i = 0; i < ndim; i++) {
              if (stride * buf->itemsize != buf->strides[i] &&
                      buf->shape[i] > 1)
              {
                  PyErr_SetString(PyExc_ValueError,
                      "Buffer not fortran contiguous.");
                  goto fail;
              }
              stride = stride * buf->shape[i];
          }
      } else if (c_or_f_flag & __Pyx_IS_C_CONTIG) {
          Py_ssize_t stride = 1;
          for (i = ndim - 1; i >- 1; i--) {
              if (stride * buf->itemsize != buf->strides[i] &&
                      buf->shape[i] > 1) {
                  PyErr_SetString(PyExc_ValueError,
                      "Buffer not C contiguous.");
                  goto fail;
              }
              stride = stride * buf->shape[i];
          }
      }
      return 1;
  fail:
      return 0;
  }
  static int __Pyx_ValidateAndInit_memviewslice(
                  int *axes_specs,
                  int c_or_f_flag,
                  int buf_flags,
                  int ndim,
                  __Pyx_TypeInfo *dtype,
                  __Pyx_BufFmt_StackElem stack[],
                  __Pyx_memviewslice *memviewslice,
                  PyObject *original_obj)
  {
      struct __pyx_memoryview_obj *memview, *new_memview;
      __Pyx_RefNannyDeclarations
      Py_buffer *buf;
      int i, spec = 0, retval = -1;
      __Pyx_BufFmt_Context ctx;
      int from_memoryview = __pyx_memoryview_check(original_obj);
      __Pyx_RefNannySetupContext("ValidateAndInit_memviewslice", 0);
      if (from_memoryview && __pyx_typeinfo_cmp(dtype, ((struct __pyx_memoryview_obj *)
                                                              original_obj)->typeinfo)) {
          memview = (struct __pyx_memoryview_obj *) original_obj;
          new_memview = NULL;
      } else {
          memview = (struct __pyx_memoryview_obj *) __pyx_memoryview_new(
                                              original_obj, buf_flags, 0, dtype);
          new_memview = memview;
          if (unlikely(!memview))
              goto fail;
      }
      buf = &memview->view;
      if (buf->ndim != ndim) {
          PyErr_Format(PyExc_ValueError,
                  "Buffer has wrong number of dimensions (expected %d, got %d)",
                  ndim, buf->ndim);
          goto fail;
      }
      if (new_memview) {
          __Pyx_BufFmt_Init(&ctx, stack, dtype);
          if (!__Pyx_BufFmt_CheckString(&ctx, buf->format)) goto fail;
      }
      if ((unsigned) buf->itemsize != dtype->size) {
          PyErr_Format(PyExc_ValueError,
                       "Item size of buffer (%" CYTHON_FORMAT_SSIZE_T "u byte%s) "
                       "does not match size of '%s' (%" CYTHON_FORMAT_SSIZE_T "u byte%s)",
                       buf->itemsize,
                       (buf->itemsize > 1) ? "s" : "",
                       dtype->name,
                       dtype->size,
                       (dtype->size > 1) ? "s" : "");
          goto fail;
      }
      for (i = 0; i < ndim; i++) {
          spec = axes_specs[i];
          if (!__pyx_check_strides(buf, i, ndim, spec))
              goto fail;
          if (!__pyx_check_suboffsets(buf, i, ndim, spec))
              goto fail;
      }
      if (buf->strides && !__pyx_verify_contig(buf, ndim, c_or_f_flag))
          goto fail;
      if (unlikely(__Pyx_init_memviewslice(memview, ndim, memviewslice,
                                           new_memview != NULL) == -1)) {
          goto fail;
      }
      retval = 0;
      goto no_fail;
  fail:
      Py_XDECREF(new_memview);
      retval = -1;
  no_fail:
      __Pyx_RefNannyFinishContext();
      return retval;
  }
  
  /* ObjectToMemviewSlice */
          static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_dc_double(PyObject *obj) {
      __Pyx_memviewslice result = { 0, 0, { 0 }, { 0 }, { 0 } };
      __Pyx_BufFmt_StackElem stack[1];
      int axes_specs[] = { (__Pyx_MEMVIEW_DIRECT | __Pyx_MEMVIEW_FOLLOW), (__Pyx_MEMVIEW_DIRECT | __Pyx_MEMVIEW_CONTIG) };
      int retcode;
      if (obj == Py_None) {
          result.memview = (struct __pyx_memoryview_obj *) Py_None;
          return result;
      }
      retcode = __Pyx_ValidateAndInit_memviewslice(axes_specs, __Pyx_IS_C_CONTIG,
                                                   (PyBUF_C_CONTIGUOUS | PyBUF_FORMAT | PyBUF_WRITABLE), 2,
                                                   &__Pyx_TypeInfo_double, stack,
                                                   &result, obj);
      if (unlikely(retcode == -1))
          goto __pyx_fail;
      return result;
  __pyx_fail:
      result.memview = NULL;
      result.data = NULL;
      return result;
  }
  
  /* ObjectToMemviewSlice */
          static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_dc_unsigned_char(PyObject *obj) {
      __Pyx_memviewslice result = { 0, 0, { 0 }, { 0 }, { 0 } };
      __Pyx_BufFmt_StackElem stack[1];
      int axes_specs[] = { (__Pyx_MEMVIEW_DIRECT | __Pyx_MEMVIEW_FOLLOW), (__Pyx_MEMVIEW_DIRECT | __Pyx_MEMVIEW_CONTIG) };
      int retcode;
      if (obj == Py_None) {
          result.memview = (struct __pyx_memoryview_obj *) Py_None;
          return result;
      }
      retcode = __Pyx_ValidateAndInit_memviewslice(axes_specs, __Pyx_IS_C_CONTIG,
                                                   (PyBUF_C_CONTIGUOUS | PyBUF_FORMAT | PyBUF_WRITABLE), 2,
                                                   &__Pyx_TypeInfo_unsigned_char, stack,
                                                   &result, obj);
      if (unlikely(retcode == -1))
          goto __pyx_fail;
      return result;
  __pyx_fail:
      result.memview = NULL;
      result.data = NULL;
      return result;
  }
  
  /* ObjectToMemviewSlice */
          static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_dc_Py_ssize_t(PyObject *obj) {
      __Pyx_memviewslice result = { 0, 0, { 0 }, { 0 }, { 0 } };
      __Pyx_BufFmt_StackElem stack[1];
      int axes_specs[] = { (__Pyx_MEMVIEW_DIRECT | __Pyx_MEMVIEW_FOLLOW), (__Pyx_MEMVIEW_DIRECT | __Pyx_MEMVIEW_CONTIG) };
      int retcode;
      if (obj == Py_None) {
          result.memview = (struct __pyx_memoryview_obj *) Py_None;
          return result;
      }
      retcode = __Pyx_ValidateAndInit_memviewslice(axes_specs, __Pyx_IS_C_CONTIG,
                                                   (PyBUF_C_CONTIGUOUS | PyBUF_FORMAT | PyBUF_WRITABLE), 2,
                                                   &__Pyx_TypeInfo_Py_ssize_t, stack,
                                                   &result, obj);
      if (unlikely(retcode == -1))
          goto __pyx_fail;
      return result;
  __pyx_fail:
      result.memview = NULL;
      result.data = NULL;
      return result;
  }
  
  /* ObjectToMemviewSlice */
          static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_dc_int(PyObject *obj) {
      __Pyx_memviewslice result = { 0, 0, { 0 }, { 0 }, { 0 } };
      __Pyx_BufFmt_StackElem stack[1];
      int axes_specs[] = { (__Pyx_MEMVIEW_DIRECT | __Pyx_MEMVIEW_FOLLOW), (__Pyx_MEMVIEW_DIRECT | __Pyx_MEMVIEW_CONTIG) };
      int retcode;
      if (obj == Py_None) {
          result.memview = (struct __pyx_memoryview_obj *) Py_None;
          return result;
      }
      retcode = __Pyx_ValidateAndInit_memviewslice(axes_specs, __Pyx_IS_C_CONTIG,
                                                   (PyBUF_C_CONTIGUOUS | PyBUF_FORMAT | PyBUF_WRITABLE), 2,
                                                   &__Pyx_TypeInfo_int, stack,
                                                   &result, obj);
      if (unlikely(retcode == -1))
          goto __pyx_fail;
      return result;
  __pyx_fail:
      result.memview = NULL;
      result.data = NULL;
      return result;
  }
  
  /* Declarations */
          #if CYTHON_CCOMPLEX
    #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);
      }
    #else
      static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
        return x + y*(__pyx_t_float_complex)_Complex_I;
      }
    #endif
  #else
      static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
        __pyx_t_float_complex z;
        z.real = x;
        z.imag = y;
        return z;
      }
  #endif
  
  /* Arithmetic */
          #if CYTHON_CCOMPLEX
  #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);
      }
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sum_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
          __pyx_t_float_complex z;
          z.real = a.real + b.real;
          z.imag = a.imag + b.imag;
          return z;
      }
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_diff_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
          __pyx_t_float_complex z;
          z.real = a.real - b.real;
          z.imag = a.imag - b.imag;
          return z;
      }
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prod_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
          __pyx_t_float_complex z;
          z.real = a.real * b.real - a.imag * b.imag;
          z.imag = a.real * b.imag + a.imag * b.real;
          return z;
      }
      #if 1
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quot_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
          if (b.imag == 0) {
              return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.real);
          } else if (fabsf(b.real) >= fabsf(b.imag)) {
              if (b.real == 0 && b.imag == 0) {
                  return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.imag);
              } else {
                  float r = b.imag / b.real;
                  float s = 1.0 / (b.real + b.imag * r);
                  return __pyx_t_float_complex_from_parts(
                      (a.real + a.imag * r) * s, (a.imag - a.real * r) * s);
              }
          } else {
              float r = b.real / b.imag;
              float s = 1.0 / (b.imag + b.real * r);
              return __pyx_t_float_complex_from_parts(
                  (a.real * r + a.imag) * s, (a.imag * r - a.real) * s);
          }
      }
      #else
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quot_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
          if (b.imag == 0) {
              return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.real);
          } else {
              float denom = b.real * b.real + b.imag * b.imag;
              return __pyx_t_float_complex_from_parts(
                  (a.real * b.real + a.imag * b.imag) / denom,
                  (a.imag * b.real - a.real * b.imag) / denom);
          }
      }
      #endif
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_neg_float(__pyx_t_float_complex a) {
          __pyx_t_float_complex z;
          z.real = -a.real;
          z.imag = -a.imag;
          return z;
      }
      static CYTHON_INLINE int __Pyx_c_is_zero_float(__pyx_t_float_complex a) {
         return (a.real == 0) && (a.imag == 0);
      }
      static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conj_float(__pyx_t_float_complex a) {
          __pyx_t_float_complex z;
          z.real =  a.real;
          z.imag = -a.imag;
          return z;
      }
      #if 1
          static CYTHON_INLINE float __Pyx_c_abs_float(__pyx_t_float_complex z) {
            #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
              return sqrtf(z.real*z.real + z.imag*z.imag);
            #else
              return hypotf(z.real, z.imag);
            #endif
          }
          static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_pow_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
              __pyx_t_float_complex z;
              float r, lnr, theta, z_r, z_theta;
              if (b.imag == 0 && b.real == (int)b.real) {
                  if (b.real < 0) {
                      float denom = a.real * a.real + a.imag * a.imag;
                      a.real = a.real / denom;
                      a.imag = -a.imag / denom;
                      b.real = -b.real;
                  }
                  switch ((int)b.real) {
                      case 0:
                          z.real = 1;
                          z.imag = 0;
                          return z;
                      case 1:
                          return a;
                      case 2:
                          z = __Pyx_c_prod_float(a, a);
                          return __Pyx_c_prod_float(a, a);
                      case 3:
                          z = __Pyx_c_prod_float(a, a);
                          return __Pyx_c_prod_float(z, a);
                      case 4:
                          z = __Pyx_c_prod_float(a, a);
                          return __Pyx_c_prod_float(z, z);
                  }
              }
              if (a.imag == 0) {
                  if (a.real == 0) {
                      return a;
                  }
                  r = a.real;
                  theta = 0;
              } else {
                  r = __Pyx_c_abs_float(a);
                  theta = atan2f(a.imag, a.real);
              }
              lnr = logf(r);
              z_r = expf(lnr * b.real - theta * b.imag);
              z_theta = theta * b.real + lnr * b.imag;
              z.real = z_r * cosf(z_theta);
              z.imag = z_r * sinf(z_theta);
              return z;
          }
      #endif
  #endif
  
  /* Declarations */
          #if CYTHON_CCOMPLEX
    #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);
      }
    #else
      static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
        return x + y*(__pyx_t_double_complex)_Complex_I;
      }
    #endif
  #else
      static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
        __pyx_t_double_complex z;
        z.real = x;
        z.imag = y;
        return z;
      }
  #endif
  
  /* Arithmetic */
          #if CYTHON_CCOMPLEX
  #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);
      }
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
          __pyx_t_double_complex z;
          z.real = a.real + b.real;
          z.imag = a.imag + b.imag;
          return z;
      }
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
          __pyx_t_double_complex z;
          z.real = a.real - b.real;
          z.imag = a.imag - b.imag;
          return z;
      }
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
          __pyx_t_double_complex z;
          z.real = a.real * b.real - a.imag * b.imag;
          z.imag = a.real * b.imag + a.imag * b.real;
          return z;
      }
      #if 1
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
          if (b.imag == 0) {
              return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.real);
          } else if (fabs(b.real) >= fabs(b.imag)) {
              if (b.real == 0 && b.imag == 0) {
                  return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.imag);
              } else {
                  double r = b.imag / b.real;
                  double s = 1.0 / (b.real + b.imag * r);
                  return __pyx_t_double_complex_from_parts(
                      (a.real + a.imag * r) * s, (a.imag - a.real * r) * s);
              }
          } else {
              double r = b.real / b.imag;
              double s = 1.0 / (b.imag + b.real * r);
              return __pyx_t_double_complex_from_parts(
                  (a.real * r + a.imag) * s, (a.imag * r - a.real) * s);
          }
      }
      #else
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
          if (b.imag == 0) {
              return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.real);
          } else {
              double denom = b.real * b.real + b.imag * b.imag;
              return __pyx_t_double_complex_from_parts(
                  (a.real * b.real + a.imag * b.imag) / denom,
                  (a.imag * b.real - a.real * b.imag) / denom);
          }
      }
      #endif
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg_double(__pyx_t_double_complex a) {
          __pyx_t_double_complex z;
          z.real = -a.real;
          z.imag = -a.imag;
          return z;
      }
      static CYTHON_INLINE int __Pyx_c_is_zero_double(__pyx_t_double_complex a) {
         return (a.real == 0) && (a.imag == 0);
      }
      static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj_double(__pyx_t_double_complex a) {
          __pyx_t_double_complex z;
          z.real =  a.real;
          z.imag = -a.imag;
          return z;
      }
      #if 1
          static CYTHON_INLINE double __Pyx_c_abs_double(__pyx_t_double_complex z) {
            #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
              return sqrt(z.real*z.real + z.imag*z.imag);
            #else
              return hypot(z.real, z.imag);
            #endif
          }
          static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
              __pyx_t_double_complex z;
              double r, lnr, theta, z_r, z_theta;
              if (b.imag == 0 && b.real == (int)b.real) {
                  if (b.real < 0) {
                      double denom = a.real * a.real + a.imag * a.imag;
                      a.real = a.real / denom;
                      a.imag = -a.imag / denom;
                      b.real = -b.real;
                  }
                  switch ((int)b.real) {
                      case 0:
                          z.real = 1;
                          z.imag = 0;
                          return z;
                      case 1:
                          return a;
                      case 2:
                          z = __Pyx_c_prod_double(a, a);
                          return __Pyx_c_prod_double(a, a);
                      case 3:
                          z = __Pyx_c_prod_double(a, a);
                          return __Pyx_c_prod_double(z, a);
                      case 4:
                          z = __Pyx_c_prod_double(a, a);
                          return __Pyx_c_prod_double(z, z);
                  }
              }
              if (a.imag == 0) {
                  if (a.real == 0) {
                      return a;
                  }
                  r = a.real;
                  theta = 0;
              } else {
                  r = __Pyx_c_abs_double(a);
                  theta = atan2(a.imag, a.real);
              }
              lnr = log(r);
              z_r = exp(lnr * b.real - theta * b.imag);
              z_theta = theta * b.real + lnr * b.imag;
              z.real = z_r * cos(z_theta);
              z.imag = z_r * sin(z_theta);
              return z;
          }
      #endif
  #endif
  
  /* CIntToPy */
          static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
      const int neg_one = (int) -1, const_zero = (int) 0;
      const int is_unsigned = neg_one > const_zero;
      if (is_unsigned) {
          if (sizeof(int) < sizeof(long)) {
              return PyInt_FromLong((long) value);
          } else if (sizeof(int) <= sizeof(unsigned long)) {
              return PyLong_FromUnsignedLong((unsigned long) value);
  #ifdef HAVE_LONG_LONG
          } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
              return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
  #endif
          }
      } else {
          if (sizeof(int) <= sizeof(long)) {
              return PyInt_FromLong((long) value);
  #ifdef HAVE_LONG_LONG
          } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
              return PyLong_FromLongLong((PY_LONG_LONG) value);
  #endif
          }
      }
      {
          int one = 1; int little = (int)*(unsigned char *)&one;
          unsigned char *bytes = (unsigned char *)&value;
          return _PyLong_FromByteArray(bytes, sizeof(int),
                                       little, !is_unsigned);
      }
  }
  
  /* CIntFromPyVerify */
          #define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
      __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
  #define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
      __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
  #define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
      {\
          func_type value = func_value;\
          if (sizeof(target_type) < sizeof(func_type)) {\
              if (unlikely(value != (func_type) (target_type) value)) {\
                  func_type zero = 0;\
                  if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
                      return (target_type) -1;\
                  if (is_unsigned && unlikely(value < zero))\
                      goto raise_neg_overflow;\
                  else\
                      goto raise_overflow;\
              }\
          }\
          return (target_type) value;\
      }
  
  /* CIntToPy */
          static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum__NPY_TYPES(enum NPY_TYPES value) {
      const enum NPY_TYPES neg_one = (enum NPY_TYPES) -1, const_zero = (enum NPY_TYPES) 0;
      const int is_unsigned = neg_one > const_zero;
      if (is_unsigned) {
          if (sizeof(enum NPY_TYPES) < sizeof(long)) {
              return PyInt_FromLong((long) value);
          } else if (sizeof(enum NPY_TYPES) <= sizeof(unsigned long)) {
              return PyLong_FromUnsignedLong((unsigned long) value);
  #ifdef HAVE_LONG_LONG
          } else if (sizeof(enum NPY_TYPES) <= sizeof(unsigned PY_LONG_LONG)) {
              return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
  #endif
          }
      } else {
          if (sizeof(enum NPY_TYPES) <= sizeof(long)) {
              return PyInt_FromLong((long) value);
  #ifdef HAVE_LONG_LONG
          } else if (sizeof(enum NPY_TYPES) <= sizeof(PY_LONG_LONG)) {
              return PyLong_FromLongLong((PY_LONG_LONG) value);
  #endif
          }
      }
      {
          int one = 1; int little = (int)*(unsigned char *)&one;
          unsigned char *bytes = (unsigned char *)&value;
          return _PyLong_FromByteArray(bytes, sizeof(enum NPY_TYPES),
                                       little, !is_unsigned);
      }
  }
  
  /* MemviewSliceCopyTemplate */
          static __Pyx_memviewslice
  __pyx_memoryview_copy_new_contig(const __Pyx_memviewslice *from_mvs,
                                   const char *mode, int ndim,
                                   size_t sizeof_dtype, int contig_flag,
                                   int dtype_is_object)
  {
      __Pyx_RefNannyDeclarations
      int i;
      __Pyx_memviewslice new_mvs = { 0, 0, { 0 }, { 0 }, { 0 } };
      struct __pyx_memoryview_obj *from_memview = from_mvs->memview;
      Py_buffer *buf = &from_memview->view;
      PyObject *shape_tuple = NULL;
      PyObject *temp_int = NULL;
      struct __pyx_array_obj *array_obj = NULL;
      struct __pyx_memoryview_obj *memview_obj = NULL;
      __Pyx_RefNannySetupContext("__pyx_memoryview_copy_new_contig", 0);
      for (i = 0; i < ndim; i++) {
          if (from_mvs->suboffsets[i] >= 0) {
              PyErr_Format(PyExc_ValueError, "Cannot copy memoryview slice with "
                                             "indirect dimensions (axis %d)", i);
              goto fail;
          }
      }
      shape_tuple = PyTuple_New(ndim);
      if (unlikely(!shape_tuple)) {
          goto fail;
      }
      __Pyx_GOTREF(shape_tuple);
      for(i = 0; i < ndim; i++) {
          temp_int = PyInt_FromSsize_t(from_mvs->shape[i]);
          if(unlikely(!temp_int)) {
              goto fail;
          } else {
              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;
  }
  
  /* CIntFromPy */
          static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
      const int neg_one = (int) -1, const_zero = (int) 0;
      const int is_unsigned = neg_one > const_zero;
  #if PY_MAJOR_VERSION < 3
      if (likely(PyInt_Check(x))) {
          if (sizeof(int) < sizeof(long)) {
              __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
          } else {
              long val = PyInt_AS_LONG(x);
              if (is_unsigned && unlikely(val < 0)) {
                  goto raise_neg_overflow;
              }
              return (int) val;
          }
      } else
  #endif
      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]));
                          }
                      }
                      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;
              }
  #endif
  #if CYTHON_COMPILING_IN_CPYTHON
              if (unlikely(Py_SIZE(x) < 0)) {
                  goto raise_neg_overflow;
              }
  #else
              {
                  int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                  if (unlikely(result < 0))
                      return (int) -1;
                  if (unlikely(result == 1))
                      goto raise_neg_overflow;
              }
  #endif
              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)) {
                  __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])));
                          }
                      }
                      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) > 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) > 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;
              }
  #endif
              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)) {
                  __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 (likely(v) && !PyLong_Check(v)) {
                  PyObject *tmp = v;
                  v = PyNumber_Long(tmp);
                  Py_DECREF(tmp);
              }
   #endif
              if (likely(v)) {
                  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);
                  Py_DECREF(v);
                  if (likely(!ret))
                      return val;
              }
  #endif
              return (int) -1;
          }
      } else {
          int val;
          PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
          if (!tmp) return (int) -1;
          val = __Pyx_PyInt_As_int(tmp);
          Py_DECREF(tmp);
          return val;
      }
  raise_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "value too large to convert to int");
      return (int) -1;
  raise_neg_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "can't convert negative value to int");
      return (int) -1;
  }
  
  /* CIntToPy */
          static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
      const long neg_one = (long) -1, const_zero = (long) 0;
      const int is_unsigned = neg_one > const_zero;
      if (is_unsigned) {
          if (sizeof(long) < sizeof(long)) {
              return PyInt_FromLong((long) value);
          } else if (sizeof(long) <= sizeof(unsigned long)) {
              return PyLong_FromUnsignedLong((unsigned long) value);
  #ifdef HAVE_LONG_LONG
          } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
              return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
  #endif
          }
      } else {
          if (sizeof(long) <= sizeof(long)) {
              return PyInt_FromLong((long) value);
  #ifdef HAVE_LONG_LONG
          } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
              return PyLong_FromLongLong((PY_LONG_LONG) value);
  #endif
          }
      }
      {
          int one = 1; int little = (int)*(unsigned char *)&one;
          unsigned char *bytes = (unsigned char *)&value;
          return _PyLong_FromByteArray(bytes, sizeof(long),
                                       little, !is_unsigned);
      }
  }
  
  /* CIntFromPy */
          static CYTHON_INLINE char __Pyx_PyInt_As_char(PyObject *x) {
      const char neg_one = (char) -1, const_zero = (char) 0;
      const int is_unsigned = neg_one > const_zero;
  #if PY_MAJOR_VERSION < 3
      if (likely(PyInt_Check(x))) {
          if (sizeof(char) < sizeof(long)) {
              __PYX_VERIFY_RETURN_INT(char, long, PyInt_AS_LONG(x))
          } else {
              long val = PyInt_AS_LONG(x);
              if (is_unsigned && unlikely(val < 0)) {
                  goto raise_neg_overflow;
              }
              return (char) val;
          }
      } else
  #endif
      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]));
                          }
                      }
                      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;
              }
  #endif
  #if CYTHON_COMPILING_IN_CPYTHON
              if (unlikely(Py_SIZE(x) < 0)) {
                  goto raise_neg_overflow;
              }
  #else
              {
                  int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                  if (unlikely(result < 0))
                      return (char) -1;
                  if (unlikely(result == 1))
                      goto raise_neg_overflow;
              }
  #endif
              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)) {
                  __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])));
                          }
                      }
                      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) > 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) > 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;
              }
  #endif
              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)) {
                  __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 (likely(v) && !PyLong_Check(v)) {
                  PyObject *tmp = v;
                  v = PyNumber_Long(tmp);
                  Py_DECREF(tmp);
              }
   #endif
              if (likely(v)) {
                  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);
                  Py_DECREF(v);
                  if (likely(!ret))
                      return val;
              }
  #endif
              return (char) -1;
          }
      } else {
          char val;
          PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
          if (!tmp) return (char) -1;
          val = __Pyx_PyInt_As_char(tmp);
          Py_DECREF(tmp);
          return val;
      }
  raise_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "value too large to convert to char");
      return (char) -1;
  raise_neg_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "can't convert negative value to char");
      return (char) -1;
  }
  
  /* CIntFromPy */
          static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
      const long neg_one = (long) -1, const_zero = (long) 0;
      const int is_unsigned = neg_one > const_zero;
  #if PY_MAJOR_VERSION < 3
      if (likely(PyInt_Check(x))) {
          if (sizeof(long) < sizeof(long)) {
              __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
          } else {
              long val = PyInt_AS_LONG(x);
              if (is_unsigned && unlikely(val < 0)) {
                  goto raise_neg_overflow;
              }
              return (long) val;
          }
      } else
  #endif
      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]));
                          }
                      }
                      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;
              }
  #endif
  #if CYTHON_COMPILING_IN_CPYTHON
              if (unlikely(Py_SIZE(x) < 0)) {
                  goto raise_neg_overflow;
              }
  #else
              {
                  int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                  if (unlikely(result < 0))
                      return (long) -1;
                  if (unlikely(result == 1))
                      goto raise_neg_overflow;
              }
  #endif
              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)) {
                  __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])));
                          }
                      }
                      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) > 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) > 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;
              }
  #endif
              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)) {
                  __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 (likely(v) && !PyLong_Check(v)) {
                  PyObject *tmp = v;
                  v = PyNumber_Long(tmp);
                  Py_DECREF(tmp);
              }
   #endif
              if (likely(v)) {
                  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);
                  Py_DECREF(v);
                  if (likely(!ret))
                      return val;
              }
  #endif
              return (long) -1;
          }
      } else {
          long val;
          PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
          if (!tmp) return (long) -1;
          val = __Pyx_PyInt_As_long(tmp);
          Py_DECREF(tmp);
          return val;
      }
  raise_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "value too large to convert to long");
      return (long) -1;
  raise_neg_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "can't convert negative value to long");
      return (long) -1;
  }
  
  /* 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]) {
          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);
          return PyErr_WarnEx(NULL, message, 1);
      }
      return 0;
  }
  
  /* ModuleImport */
          #ifndef __PYX_HAVE_RT_ImportModule
  #define __PYX_HAVE_RT_ImportModule
  static PyObject *__Pyx_ImportModule(const char *name) {
      PyObject *py_name = 0;
      PyObject *py_module = 0;
      py_name = __Pyx_PyIdentifier_FromString(name);
      if (!py_name)
          goto bad;
      py_module = PyImport_Import(py_name);
      Py_DECREF(py_name);
      return py_module;
  bad:
      Py_XDECREF(py_name);
      return 0;
  }
  #endif
  
  /* TypeImport */
          #ifndef __PYX_HAVE_RT_ImportType
  #define __PYX_HAVE_RT_ImportType
  static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
      size_t size, int strict)
  {
      PyObject *py_module = 0;
      PyObject *result = 0;
      PyObject *py_name = 0;
      char warning[200];
      Py_ssize_t basicsize;
  #ifdef Py_LIMITED_API
      PyObject *py_basicsize;
  #endif
      py_module = __Pyx_ImportModule(module_name);
      if (!py_module)
          goto bad;
      py_name = __Pyx_PyIdentifier_FromString(class_name);
      if (!py_name)
          goto bad;
      result = PyObject_GetAttr(py_module, py_name);
      Py_DECREF(py_name);
      py_name = 0;
      Py_DECREF(py_module);
      py_module = 0;
      if (!result)
          goto bad;
      if (!PyType_Check(result)) {
          PyErr_Format(PyExc_TypeError,
              "%.200s.%.200s is not a type object",
              module_name, class_name);
          goto bad;
      }
  #ifndef Py_LIMITED_API
      basicsize = ((PyTypeObject *)result)->tp_basicsize;
  #else
      py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
      if (!py_basicsize)
          goto bad;
      basicsize = PyLong_AsSsize_t(py_basicsize);
      Py_DECREF(py_basicsize);
      py_basicsize = 0;
      if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
          goto bad;
  #endif
      if (!strict && (size_t)basicsize > size) {
          PyOS_snprintf(warning, sizeof(warning),
              "%s.%s size changed, may indicate binary incompatibility. Expected %zd, got %zd",
              module_name, class_name, basicsize, size);
          if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
      }
      else if ((size_t)basicsize != size) {
          PyErr_Format(PyExc_ValueError,
              "%.200s.%.200s has the wrong size, try recompiling. Expected %zd, got %zd",
              module_name, class_name, basicsize, size);
          goto bad;
      }
      return (PyTypeObject *)result;
  bad:
      Py_XDECREF(py_module);
      Py_XDECREF(result);
      return NULL;
  }
  #endif
  
  /* InitStrings */
          static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
      while (t->p) {
          #if PY_MAJOR_VERSION < 3
          if (t->is_unicode) {
              *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
          } else if (t->intern) {
              *t->p = PyString_InternFromString(t->s);
          } 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;
          ++t;
      }
      return 0;
  }
  
  static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
      return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
  }
  static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
      Py_ssize_t ignore;
      return __Pyx_PyObject_AsStringAndSize(o, &ignore);
  }
  static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
  #if CYTHON_COMPILING_IN_CPYTHON && (__PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT)
      if (
  #if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
              __Pyx_sys_getdefaultencoding_not_ascii &&
  #endif
              PyUnicode_Check(o)) {
  #if PY_VERSION_HEX < 0x03030000
          char* defenc_c;
          PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
          if (!defenc) return NULL;
          defenc_c = PyBytes_AS_STRING(defenc);
  #if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
          {
              char* end = defenc_c + PyBytes_GET_SIZE(defenc);
              char* c;
              for (c = defenc_c; c < end; c++) {
                  if ((unsigned char) (*c) >= 128) {
                      PyUnicode_AsASCIIString(o);
                      return NULL;
                  }
              }
          }
  #endif
          *length = PyBytes_GET_SIZE(defenc);
          return defenc_c;
  #else
          if (__Pyx_PyUnicode_READY(o) == -1) return NULL;
  #if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
          if (PyUnicode_IS_ASCII(o)) {
              *length = PyUnicode_GET_LENGTH(o);
              return PyUnicode_AsUTF8(o);
          } else {
              PyUnicode_AsASCIIString(o);
              return NULL;
          }
  #else
          return PyUnicode_AsUTF8AndSize(o, length);
  #endif
  #endif
      } else
  #endif
  #if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
      if (PyByteArray_Check(o)) {
          *length = PyByteArray_GET_SIZE(o);
          return PyByteArray_AS_STRING(o);
      } else
  #endif
      {
          char* result;
          int r = PyBytes_AsStringAndSize(o, &result, length);
          if (unlikely(r < 0)) {
              return NULL;
          } else {
              return result;
          }
      }
  }
  static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
     int is_true = x == Py_True;
     if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
     else return PyObject_IsTrue(x);
  }
  static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
  #if CYTHON_USE_TYPE_SLOTS
    PyNumberMethods *m;
  #endif
    const char *name = NULL;
    PyObject *res = NULL;
  #if PY_MAJOR_VERSION < 3
    if (PyInt_Check(x) || PyLong_Check(x))
  #else
    if (PyLong_Check(x))
  #endif
      return __Pyx_NewRef(x);
  #if CYTHON_USE_TYPE_SLOTS
    m = Py_TYPE(x)->tp_as_number;
    #if PY_MAJOR_VERSION < 3
    if (m && m->nb_int) {
      name = "int";
      res = PyNumber_Int(x);
    }
    else if (m && m->nb_long) {
      name = "long";
      res = PyNumber_Long(x);
    }
    #else
    if (m && m->nb_int) {
      name = "int";
      res = PyNumber_Long(x);
    }
    #endif
  #else
    res = PyNumber_Int(x);
  #endif
    if (res) {
  #if PY_MAJOR_VERSION < 3
      if (!PyInt_Check(res) && !PyLong_Check(res)) {
  #else
      if (!PyLong_Check(res)) {
  #endif
        PyErr_Format(PyExc_TypeError,
                     "__%.4s__ returned non-%.4s (type %.200s)",
                     name, name, Py_TYPE(res)->tp_name);
        Py_DECREF(res);
        return NULL;
      }
    }
    else if (!PyErr_Occurred()) {
      PyErr_SetString(PyExc_TypeError,
                      "an integer is required");
    }
    return res;
  }
  static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
    Py_ssize_t ival;
    PyObject *x;
  #if PY_MAJOR_VERSION < 3
    if (likely(PyInt_CheckExact(b))) {
      if (sizeof(Py_ssize_t) >= sizeof(long))
          return PyInt_AS_LONG(b);
      else
          return PyInt_AsSsize_t(x);
    }
  #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;
      } else {
        switch (size) {
           case 2:
             if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
               return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
             }
             break;
           case -2:
             if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
               return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
             }
             break;
           case 3:
             if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
               return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
             }
             break;
           case -3:
             if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
               return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
             }
             break;
           case 4:
             if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
               return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
             }
             break;
           case -4:
             if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
               return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
             }
             break;
        }
      }
      #endif
      return PyLong_AsSsize_t(b);
    }
    x = PyNumber_Index(b);
    if (!x) return -1;
    ival = PyInt_AsSsize_t(x);
    Py_DECREF(x);
    return ival;
  }
  static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
      return PyInt_FromSize_t(ival);
  }
  
  
  #endif /* Py_PYTHON_H */
  