text: /* Generated by Cython 0.23.4 */
  
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    #define CYTHON_PEP393_ENABLED 0
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    #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
    #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
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    #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
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  #if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains)
    #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
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  #define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
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    #define PyBaseString_Type            PyUnicode_Type
    #define PyStringObject               PyUnicodeObject
    #define PyString_Type                PyUnicode_Type
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    #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
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    #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
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    #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
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    #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
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  #if PY_MAJOR_VERSION >= 3
    #define PyBoolObject                 PyLongObject
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    #ifndef PyUnicode_InternFromString
      #define PyUnicode_InternFromString(s) PyUnicode_FromString(s)
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    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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    #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
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  #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
  #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async)
  #elif CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
  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))
  #else
  #define __Pyx_PyType_AsAsync(obj) NULL
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  #ifndef CYTHON_RESTRICT
    #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
  #endif
  #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 PY_MAJOR_VERSION >= 3
    #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
    #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
  #else
    #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
    #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
  #endif
  
  #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__censure_cy
  #define __PYX_HAVE_API__skimage__feature__censure_cy
  #include "pythread.h"
  #include "string.h"
  #include "stdlib.h"
  #include "stdio.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; 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_Int(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_COMPILING_IN_CPYTHON
  #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 && __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 int __pyx_lineno;
  static int __pyx_clineno = 0;
  static const char * __pyx_cfilenm= __FILE__;
  static const char *__pyx_filename;
  
  
  static const char *__pyx_f[] = {
    "skimage/feature/censure_cy.pyx",
    "stringsource",
  };
  struct __pyx_memoryview_obj;
  typedef struct {
    struct __pyx_memoryview_obj *memview;
    char *data;
    Py_ssize_t shape[8];
    Py_ssize_t strides[8];
    Py_ssize_t suboffsets[8];
  } __Pyx_memviewslice;
  
  #define 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;
  
  #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
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      #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")
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  #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)
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          #warning "Using Intel atomics"
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          #warning "Not using atomics"
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  typedef volatile __pyx_atomic_int_type __pyx_atomic_int;
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      #define __pyx_add_acquisition_count(memview)\
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      #define __pyx_sub_acquisition_count(memview)\
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  #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)\
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  /*--- Type declarations ---*/
  struct __pyx_array_obj;
  struct __pyx_MemviewEnum_obj;
  struct __pyx_memoryview_obj;
  struct __pyx_memoryviewslice_obj;
  
  /* "View.MemoryView":101
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   *     cdef:
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  struct __pyx_array_obj {
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    char *data;
    Py_ssize_t len;
    char *format;
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    Py_ssize_t *_shape;
    Py_ssize_t *_strides;
    Py_ssize_t itemsize;
    PyObject *mode;
    PyObject *_format;
    void (*callback_free_data)(void *);
    int free_data;
    int dtype_is_object;
  };
  
  
  /* "View.MemoryView":271
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   * @cname('__pyx_MemviewEnum')
   * cdef class Enum(object):             # <<<<<<<<<<<<<<
   *     cdef object name
   *     def __init__(self, name):
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  struct __pyx_MemviewEnum_obj {
    PyObject_HEAD
    PyObject *name;
  };
  
  
  /* "View.MemoryView":304
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   * @cname('__pyx_memoryview')
   * cdef class memoryview(object):             # <<<<<<<<<<<<<<
   * 
   *     cdef object obj
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  struct __pyx_memoryview_obj {
    PyObject_HEAD
    struct __pyx_vtabstruct_memoryview *__pyx_vtab;
    PyObject *obj;
    PyObject *_size;
    PyObject *_array_interface;
    PyThread_type_lock lock;
    __pyx_atomic_int acquisition_count[2];
    __pyx_atomic_int *acquisition_count_aligned_p;
    Py_buffer view;
    int flags;
    int dtype_is_object;
    __Pyx_TypeInfo *typeinfo;
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  /* "View.MemoryView":923
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   * @cname('__pyx_memoryviewslice')
   * cdef class _memoryviewslice(memoryview):             # <<<<<<<<<<<<<<
   *     "Internal class for passing memoryview slices to Python"
   * 
   */
  struct __pyx_memoryviewslice_obj {
    struct __pyx_memoryview_obj __pyx_base;
    __Pyx_memviewslice from_slice;
    PyObject *from_object;
    PyObject *(*to_object_func)(char *);
    int (*to_dtype_func)(char *, PyObject *);
  };
  
  
  
  /* "View.MemoryView":304
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   * @cname('__pyx_memoryview')
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   * 
   *     cdef object obj
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  struct __pyx_vtabstruct_memoryview {
    char *(*get_item_pointer)(struct __pyx_memoryview_obj *, PyObject *);
    PyObject *(*is_slice)(struct __pyx_memoryview_obj *, PyObject *);
    PyObject *(*setitem_slice_assignment)(struct __pyx_memoryview_obj *, PyObject *, PyObject *);
    PyObject *(*setitem_slice_assign_scalar)(struct __pyx_memoryview_obj *, struct __pyx_memoryview_obj *, PyObject *);
    PyObject *(*setitem_indexed)(struct __pyx_memoryview_obj *, PyObject *, PyObject *);
    PyObject *(*convert_item_to_object)(struct __pyx_memoryview_obj *, char *);
    PyObject *(*assign_item_from_object)(struct __pyx_memoryview_obj *, char *, PyObject *);
  };
  static struct __pyx_vtabstruct_memoryview *__pyx_vtabptr_memoryview;
  
  
  /* "View.MemoryView":923
   * 
   * @cname('__pyx_memoryviewslice')
   * cdef class _memoryviewslice(memoryview):             # <<<<<<<<<<<<<<
   *     "Internal class for passing memoryview slices to Python"
   * 
   */
  
  struct __pyx_vtabstruct__memoryviewslice {
    struct __pyx_vtabstruct_memoryview __pyx_base;
  };
  static struct __pyx_vtabstruct__memoryviewslice *__pyx_vtabptr__memoryviewslice;
  
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    #define __Pyx_GOTREF(r)
    #define __Pyx_GIVEREF(r)
    #define __Pyx_XINCREF(r) Py_XINCREF(r)
    #define __Pyx_XDECREF(r) Py_XDECREF(r)
    #define __Pyx_XGOTREF(r)
    #define __Pyx_XGIVEREF(r)
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  #define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
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  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
      PyTypeObject* tp = Py_TYPE(obj);
      if (likely(tp->tp_getattro))
          return tp->tp_getattro(obj, attr_name);
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      if (likely(tp->tp_getattr))
          return tp->tp_getattr(obj, PyString_AS_STRING(attr_name));
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      return PyObject_GetAttr(obj, attr_name);
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  #else
  #define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
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  static PyObject *__Pyx_GetBuiltinName(PyObject *name);
  
  static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
      Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);
  
  static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
  
  static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\
      PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\
      const char* function_name);
  
  static CYTHON_INLINE int  __Pyx_GetBufferAndValidate(Py_buffer* buf, PyObject* obj,
      __Pyx_TypeInfo* dtype, int flags, int nd, int cast, __Pyx_BufFmt_StackElem* stack);
  static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info);
  
  #define __Pyx_BUF_MAX_NDIMS %(BUF_MAX_NDIMS)d
  #define __Pyx_MEMVIEW_DIRECT   1
  #define __Pyx_MEMVIEW_PTR      2
  #define __Pyx_MEMVIEW_FULL     4
  #define __Pyx_MEMVIEW_CONTIG   8
  #define __Pyx_MEMVIEW_STRIDED  16
  #define __Pyx_MEMVIEW_FOLLOW   32
  #define __Pyx_IS_C_CONTIG 1
  #define __Pyx_IS_F_CONTIG 2
  static int __Pyx_init_memviewslice(
                  struct __pyx_memoryview_obj *memview,
                  int ndim,
                  __Pyx_memviewslice *memviewslice,
                  int memview_is_new_reference);
  static CYTHON_INLINE int __pyx_add_acquisition_count_locked(
      __pyx_atomic_int *acquisition_count, PyThread_type_lock lock);
  static CYTHON_INLINE int __pyx_sub_acquisition_count_locked(
      __pyx_atomic_int *acquisition_count, PyThread_type_lock lock);
  #define __pyx_get_slice_count_pointer(memview) (memview->acquisition_count_aligned_p)
  #define __pyx_get_slice_count(memview) (*__pyx_get_slice_count_pointer(memview))
  #define __PYX_INC_MEMVIEW(slice, have_gil) __Pyx_INC_MEMVIEW(slice, have_gil, __LINE__)
  #define __PYX_XDEC_MEMVIEW(slice, have_gil) __Pyx_XDEC_MEMVIEW(slice, have_gil, __LINE__)
  static CYTHON_INLINE void __Pyx_INC_MEMVIEW(__Pyx_memviewslice *, int, int);
  static CYTHON_INLINE void __Pyx_XDEC_MEMVIEW(__Pyx_memviewslice *, int, int);
  
  static CYTHON_INLINE int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
      const char *name, int exact);
  
  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
  #else
  #define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
  #endif
  
  static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb);
  static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb);
  
  static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
  
  #include <string.h>
  
  static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals);
  
  static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals);
  
  #if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyString_Equals __Pyx_PyUnicode_Equals
  #else
  #define __Pyx_PyString_Equals __Pyx_PyBytes_Equals
  #endif
  
  #define UNARY_NEG_WOULD_OVERFLOW(x)\
          (((x) < 0) & ((unsigned long)(x) == 0-(unsigned long)(x)))
  
  static CYTHON_UNUSED int __pyx_array_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
  static PyObject *get_memview(PyObject *__pyx_v_self); /*proto*/
  static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *);
  
  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));
  
  static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
  
  static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
  
  static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
  
  static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type);
  
  static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb);
  static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb);
  
  static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb);
  
  static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb);
  
  static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);
  
  #define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
      (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
      __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) :\
      (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) :\
                 __Pyx_GetItemInt_Generic(o, to_py_func(i))))
  #define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
      (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
      __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\
      (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL))
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
                                                                int wraparound, int boundscheck);
  #define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
      (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
      __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\
      (PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL))
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
                                                                int wraparound, int boundscheck);
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j);
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
                                                       int is_list, int wraparound, int boundscheck);
  
  static CYTHON_UNUSED int __pyx_memoryview_getbuffer(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
  static PyObject *__pyx_memoryview_transpose(PyObject *__pyx_v_self); /*proto*/
  static PyObject *__pyx_memoryview__get__base(PyObject *__pyx_v_self); /*proto*/
  static PyObject *__pyx_memoryview_get_shape(PyObject *__pyx_v_self); /*proto*/
  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) {
      PyListObject* L = (PyListObject*) list;
      Py_ssize_t len = Py_SIZE(list);
      if (likely(L->allocated > len)) {
          Py_INCREF(x);
          PyList_SET_ITEM(list, len, x);
          Py_SIZE(list) = len+1;
          return 0;
      }
      return PyList_Append(list, x);
  }
  #else
  #define __Pyx_ListComp_Append(L,x) PyList_Append(L,x)
  #endif
  
  static PyObject *__pyx_memoryview_get_strides(PyObject *__pyx_v_self); /*proto*/
  static PyObject *__pyx_memoryview_get_suboffsets(PyObject *__pyx_v_self); /*proto*/
  static PyObject *__pyx_memoryview_get_ndim(PyObject *__pyx_v_self); /*proto*/
  static PyObject *__pyx_memoryview_get_itemsize(PyObject *__pyx_v_self); /*proto*/
  static PyObject *__pyx_memoryview_get_nbytes(PyObject *__pyx_v_self); /*proto*/
  static PyObject *__pyx_memoryview_get_size(PyObject *__pyx_v_self); /*proto*/
  #if CYTHON_COMPILING_IN_CPYTHON
  static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, long intval, int inplace);
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  #define __Pyx_PyInt_AddObjC(op1, op2, intval, inplace)\
      (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2))
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  static CYTHON_INLINE int __Pyx_PyList_Extend(PyObject* L, PyObject* v) {
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      PyObject* none = _PyList_Extend((PyListObject*)L, v);
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  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
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          Py_INCREF(x);
          PyList_SET_ITEM(list, len, x);
          Py_SIZE(list) = len+1;
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  #define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
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  static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
  
  #ifndef __PYX_FORCE_INIT_THREADS
    #define __PYX_FORCE_INIT_THREADS 0
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  static PyObject *__pyx_memoryviewslice__get__base(PyObject *__pyx_v_self); /*proto*/
  static void __Pyx_WriteUnraisable(const char *name, int clineno,
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  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
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  static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
  
  static int __Pyx_SetVtable(PyObject *dict, void *vtable);
  
  typedef struct {
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      PyCodeObject* code_object;
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  struct __Pyx_CodeObjectCache {
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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);
  
  static void __Pyx_AddTraceback(const char *funcname, int c_line,
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  typedef struct {
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  typedef struct {
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    Py_buffer pybuffer;
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  #if PY_MAJOR_VERSION < 3
      static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags);
      static void __Pyx_ReleaseBuffer(Py_buffer *view);
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      #define __Pyx_GetBuffer PyObject_GetBuffer
      #define __Pyx_ReleaseBuffer PyBuffer_Release
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  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};
  
  static int __pyx_typeinfo_cmp(__Pyx_TypeInfo *a, __Pyx_TypeInfo *b);
  
  static int __Pyx_ValidateAndInit_memviewslice(
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                  int c_or_f_flag,
                  int buf_flags,
                  int ndim,
                  __Pyx_TypeInfo *dtype,
                  __Pyx_BufFmt_StackElem stack[],
                  __Pyx_memviewslice *memviewslice,
                  PyObject *original_obj);
  
  static CYTHON_INLINE __Pyx_memviewslice __Pyx_PyObject_to_MemoryviewSlice_d_dc_double(PyObject *);
  
  static int __pyx_memviewslice_is_contig(const __Pyx_memviewslice *mvs,
                                          char order, int ndim);
  
  static int __pyx_slices_overlap(__Pyx_memviewslice *slice1,
                                  __Pyx_memviewslice *slice2,
                                  int ndim, size_t itemsize);
  
  static __Pyx_memviewslice
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                                   const char *mode, int ndim,
                                   size_t sizeof_dtype, int contig_flag,
                                   int dtype_is_object);
  
  static CYTHON_INLINE PyObject *__pyx_capsule_create(void *p, const char *sig);
  
  static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
  
  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);
  
  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
  
  static CYTHON_INLINE char __Pyx_PyInt_As_char(PyObject *);
  
  static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
  
  static int __Pyx_check_binary_version(void);
  
  static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);
  
  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 'skimage.feature.censure_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 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*/
  static __Pyx_TypeInfo __Pyx_TypeInfo_double = { "double", NULL, sizeof(double), { 0 }, 0, 'R', 0, 0 };
  #define __Pyx_MODULE_NAME "skimage.feature.censure_cy"
  int __pyx_module_is_main_skimage__feature__censure_cy = 0;
  
  /* Implementation of 'skimage.feature.censure_cy' */
  static PyObject *__pyx_builtin_range;
  static PyObject *__pyx_builtin_ValueError;
  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 char __pyx_k_O[] = "O";
  static char __pyx_k_c[] = "c";
  static char __pyx_k_i[] = "i";
  static char __pyx_k_j[] = "j";
  static char __pyx_k_n[] = "n";
  static char __pyx_k_id[] = "id";
  static char __pyx_k_n2[] = "n2";
  static char __pyx_k_obj[] = "obj";
  static char __pyx_k_base[] = "base";
  static char __pyx_k_main[] = "__main__";
  static char __pyx_k_mode[] = "mode";
  static char __pyx_k_name[] = "name";
  static char __pyx_k_ndim[] = "ndim";
  static char __pyx_k_pack[] = "pack";
  static char __pyx_k_size[] = "size";
  static char __pyx_k_step[] = "step";
  static char __pyx_k_stop[] = "stop";
  static char __pyx_k_test[] = "__test__";
  static char __pyx_k_ASCII[] = "ASCII";
  static char __pyx_k_class[] = "__class__";
  static char __pyx_k_error[] = "error";
  static char __pyx_k_flags[] = "flags";
  static char __pyx_k_inner[] = "inner";
  static char __pyx_k_outer[] = "outer";
  static char __pyx_k_range[] = "range";
  static char __pyx_k_shape[] = "shape";
  static char __pyx_k_start[] = "start";
  static char __pyx_k_encode[] = "encode";
  static char __pyx_k_format[] = "format";
  static char __pyx_k_import[] = "__import__";
  static char __pyx_k_name_2[] = "__name__";
  static char __pyx_k_struct[] = "struct";
  static char __pyx_k_unpack[] = "unpack";
  static char __pyx_k_fortran[] = "fortran";
  static char __pyx_k_memview[] = "memview";
  static char __pyx_k_Ellipsis[] = "Ellipsis";
  static char __pyx_k_itemsize[] = "itemsize";
  static char __pyx_k_TypeError[] = "TypeError";
  static char __pyx_k_enumerate[] = "enumerate";
  static char __pyx_k_IndexError[] = "IndexError";
  static char __pyx_k_ValueError[] = "ValueError";
  static char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
  static char __pyx_k_MemoryError[] = "MemoryError";
  static char __pyx_k_inner_weight[] = "inner_weight";
  static char __pyx_k_integral_img[] = "integral_img";
  static char __pyx_k_outer_weight[] = "outer_weight";
  static char __pyx_k_total_weight[] = "total_weight";
  static char __pyx_k_pyx_getbuffer[] = "__pyx_getbuffer";
  static char __pyx_k_filtered_image[] = "filtered_image";
  static char __pyx_k_allocate_buffer[] = "allocate_buffer";
  static char __pyx_k_dtype_is_object[] = "dtype_is_object";
  static char __pyx_k_censure_dob_loop[] = "_censure_dob_loop";
  static char __pyx_k_strided_and_direct[] = "<strided and direct>";
  static char __pyx_k_strided_and_indirect[] = "<strided and indirect>";
  static char __pyx_k_contiguous_and_direct[] = "<contiguous and direct>";
  static char __pyx_k_MemoryView_of_r_object[] = "<MemoryView of %r object>";
  static char __pyx_k_MemoryView_of_r_at_0x_x[] = "<MemoryView of %r at 0x%x>";
  static char __pyx_k_contiguous_and_indirect[] = "<contiguous and indirect>";
  static char __pyx_k_Cannot_index_with_type_s[] = "Cannot index with type '%s'";
  static char __pyx_k_getbuffer_obj_view_flags[] = "getbuffer(obj, view, flags)";
  static char __pyx_k_Dimension_d_is_not_direct[] = "Dimension %d is not direct";
  static char __pyx_k_Invalid_shape_in_axis_d_d[] = "Invalid shape in axis %d: %d.";
  static char __pyx_k_Index_out_of_bounds_axis_d[] = "Index out of bounds (axis %d)";
  static char __pyx_k_skimage_feature_censure_cy[] = "skimage.feature.censure_cy";
  static char __pyx_k_Step_may_not_be_zero_axis_d[] = "Step may not be zero (axis %d)";
  static char __pyx_k_itemsize_0_for_cython_array[] = "itemsize <= 0 for cython.array";
  static char __pyx_k_unable_to_allocate_array_data[] = "unable to allocate array data.";
  static char __pyx_k_strided_and_direct_or_indirect[] = "<strided and direct or indirect>";
  static char __pyx_k_Users_ferradans_Documents_Resea[] = "/Users/ferradans/Documents/Research/ScatteringPython/scikit-image/skimage/feature/censure_cy.pyx";
  static char __pyx_k_All_dimensions_preceding_dimensi[] = "All dimensions preceding dimension %d must be indexed and not sliced";
  static char __pyx_k_Buffer_view_does_not_expose_stri[] = "Buffer view does not expose strides";
  static char __pyx_k_Can_only_create_a_buffer_that_is[] = "Can only create a buffer that is contiguous in memory.";
  static char __pyx_k_Cannot_transpose_memoryview_with[] = "Cannot transpose memoryview with indirect dimensions";
  static char __pyx_k_Empty_shape_tuple_for_cython_arr[] = "Empty shape tuple for cython.array";
  static char __pyx_k_Indirect_dimensions_not_supporte[] = "Indirect dimensions not supported";
  static char __pyx_k_Invalid_mode_expected_c_or_fortr[] = "Invalid mode, expected 'c' or 'fortran', got %s";
  static char __pyx_k_Out_of_bounds_on_buffer_access_a[] = "Out of bounds on buffer access (axis %d)";
  static char __pyx_k_Unable_to_convert_item_to_object[] = "Unable to convert item to object";
  static char __pyx_k_got_differing_extents_in_dimensi[] = "got differing extents in dimension %d (got %d and %d)";
  static char __pyx_k_unable_to_allocate_shape_and_str[] = "unable to allocate shape and strides.";
  static PyObject *__pyx_n_s_ASCII;
  static PyObject *__pyx_kp_s_Buffer_view_does_not_expose_stri;
  static PyObject *__pyx_kp_s_Can_only_create_a_buffer_that_is;
  static PyObject *__pyx_kp_s_Cannot_index_with_type_s;
  static PyObject *__pyx_n_s_Ellipsis;
  static PyObject *__pyx_kp_s_Empty_shape_tuple_for_cython_arr;
  static PyObject *__pyx_n_s_IndexError;
  static PyObject *__pyx_kp_s_Indirect_dimensions_not_supporte;
  static PyObject *__pyx_kp_s_Invalid_mode_expected_c_or_fortr;
  static PyObject *__pyx_kp_s_Invalid_shape_in_axis_d_d;
  static PyObject *__pyx_n_s_MemoryError;
  static PyObject *__pyx_kp_s_MemoryView_of_r_at_0x_x;
  static PyObject *__pyx_kp_s_MemoryView_of_r_object;
  static PyObject *__pyx_n_b_O;
  static PyObject *__pyx_kp_s_Out_of_bounds_on_buffer_access_a;
  static PyObject *__pyx_n_s_TypeError;
  static PyObject *__pyx_kp_s_Unable_to_convert_item_to_object;
  static PyObject *__pyx_kp_s_Users_ferradans_Documents_Resea;
  static PyObject *__pyx_n_s_ValueError;
  static PyObject *__pyx_n_s_allocate_buffer;
  static PyObject *__pyx_n_s_base;
  static PyObject *__pyx_n_s_c;
  static PyObject *__pyx_n_u_c;
  static PyObject *__pyx_n_s_censure_dob_loop;
  static PyObject *__pyx_n_s_class;
  static PyObject *__pyx_kp_s_contiguous_and_direct;
  static PyObject *__pyx_kp_s_contiguous_and_indirect;
  static PyObject *__pyx_n_s_dtype_is_object;
  static PyObject *__pyx_n_s_encode;
  static PyObject *__pyx_n_s_enumerate;
  static PyObject *__pyx_n_s_error;
  static PyObject *__pyx_n_s_filtered_image;
  static PyObject *__pyx_n_s_flags;
  static PyObject *__pyx_n_s_format;
  static PyObject *__pyx_n_s_fortran;
  static PyObject *__pyx_n_u_fortran;
  static PyObject *__pyx_kp_s_got_differing_extents_in_dimensi;
  static PyObject *__pyx_n_s_i;
  static PyObject *__pyx_n_s_id;
  static PyObject *__pyx_n_s_import;
  static PyObject *__pyx_n_s_inner;
  static PyObject *__pyx_n_s_inner_weight;
  static PyObject *__pyx_n_s_integral_img;
  static PyObject *__pyx_n_s_itemsize;
  static PyObject *__pyx_kp_s_itemsize_0_for_cython_array;
  static PyObject *__pyx_n_s_j;
  static PyObject *__pyx_n_s_main;
  static PyObject *__pyx_n_s_memview;
  static PyObject *__pyx_n_s_mode;
  static PyObject *__pyx_n_s_n;
  static PyObject *__pyx_n_s_n2;
  static PyObject *__pyx_n_s_name;
  static PyObject *__pyx_n_s_name_2;
  static PyObject *__pyx_n_s_ndim;
  static PyObject *__pyx_n_s_obj;
  static PyObject *__pyx_n_s_outer;
  static PyObject *__pyx_n_s_outer_weight;
  static PyObject *__pyx_n_s_pack;
  static PyObject *__pyx_n_s_pyx_getbuffer;
  static PyObject *__pyx_n_s_pyx_vtable;
  static PyObject *__pyx_n_s_range;
  static PyObject *__pyx_n_s_shape;
  static PyObject *__pyx_n_s_size;
  static PyObject *__pyx_n_s_skimage_feature_censure_cy;
  static PyObject *__pyx_n_s_start;
  static PyObject *__pyx_n_s_step;
  static PyObject *__pyx_n_s_stop;
  static PyObject *__pyx_kp_s_strided_and_direct;
  static PyObject *__pyx_kp_s_strided_and_direct_or_indirect;
  static PyObject *__pyx_kp_s_strided_and_indirect;
  static PyObject *__pyx_n_s_struct;
  static PyObject *__pyx_n_s_test;
  static PyObject *__pyx_n_s_total_weight;
  static PyObject *__pyx_kp_s_unable_to_allocate_array_data;
  static PyObject *__pyx_kp_s_unable_to_allocate_shape_and_str;
  static PyObject *__pyx_n_s_unpack;
  static PyObject *__pyx_pf_7skimage_7feature_10censure_cy__censure_dob_loop(CYTHON_UNUSED PyObject *__pyx_self, Py_ssize_t __pyx_v_n, __Pyx_memviewslice __pyx_v_integral_img, __Pyx_memviewslice __pyx_v_filtered_image, double __pyx_v_inner_weight, double __pyx_v_outer_weight); /* 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 */
  static void __pyx_array___pyx_pf_15View_dot_MemoryView_5array_4__dealloc__(struct __pyx_array_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_15View_dot_MemoryView_5array_7memview___get__(struct __pyx_array_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_array___pyx_pf_15View_dot_MemoryView_5array_6__getattr__(struct __pyx_array_obj *__pyx_v_self, PyObject *__pyx_v_attr); /* proto */
  static PyObject *__pyx_array___pyx_pf_15View_dot_MemoryView_5array_8__getitem__(struct __pyx_array_obj *__pyx_v_self, PyObject *__pyx_v_item); /* proto */
  static int __pyx_array___pyx_pf_15View_dot_MemoryView_5array_10__setitem__(struct __pyx_array_obj *__pyx_v_self, PyObject *__pyx_v_item, PyObject *__pyx_v_value); /* proto */
  static int __pyx_MemviewEnum___pyx_pf_15View_dot_MemoryView_4Enum___init__(struct __pyx_MemviewEnum_obj *__pyx_v_self, PyObject *__pyx_v_name); /* proto */
  static PyObject *__pyx_MemviewEnum___pyx_pf_15View_dot_MemoryView_4Enum_2__repr__(struct __pyx_MemviewEnum_obj *__pyx_v_self); /* proto */
  static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview___cinit__(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_obj, int __pyx_v_flags, int __pyx_v_dtype_is_object); /* proto */
  static void __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_2__dealloc__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_4__getitem__(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_index); /* proto */
  static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_6__setitem__(struct __pyx_memoryview_obj *__pyx_v_self, PyObject *__pyx_v_index, PyObject *__pyx_v_value); /* proto */
  static int __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_8__getbuffer__(struct __pyx_memoryview_obj *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /* proto */
  static PyObject *__pyx_pf_15View_dot_MemoryView_10memoryview_1T___get__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_15View_dot_MemoryView_10memoryview_4base___get__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_15View_dot_MemoryView_10memoryview_5shape___get__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_15View_dot_MemoryView_10memoryview_7strides___get__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_15View_dot_MemoryView_10memoryview_10suboffsets___get__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_15View_dot_MemoryView_10memoryview_4ndim___get__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_15View_dot_MemoryView_10memoryview_8itemsize___get__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_15View_dot_MemoryView_10memoryview_6nbytes___get__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_15View_dot_MemoryView_10memoryview_4size___get__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static Py_ssize_t __pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_10__len__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_memoryview___pyx_pf_15View_dot_MemoryView_10memoryview_12__repr__(struct __pyx_memoryview_obj *__pyx_v_self); /* proto */
  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 */
  static void __pyx_memoryviewslice___pyx_pf_15View_dot_MemoryView_16_memoryviewslice___dealloc__(struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_15View_dot_MemoryView_16_memoryviewslice_4base___get__(struct __pyx_memoryviewslice_obj *__pyx_v_self); /* proto */
  static PyObject *__pyx_tp_new_array(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
  static PyObject *__pyx_tp_new_Enum(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
  static PyObject *__pyx_tp_new_memoryview(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
  static PyObject *__pyx_tp_new__memoryviewslice(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
  static PyObject *__pyx_int_0;
  static PyObject *__pyx_int_1;
  static PyObject *__pyx_int_neg_1;
  static PyObject *__pyx_tuple_;
  static PyObject *__pyx_tuple__2;
  static PyObject *__pyx_tuple__3;
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   *             slice_memviewslice(             # <<<<<<<<<<<<<<
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        /* "View.MemoryView":732
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   *     if isinstance(memview, _memoryviewslice):
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   *     for dim, index in enumerate(indices):             # <<<<<<<<<<<<<<
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    /* "View.MemoryView":734
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   *     if isinstance(memview, _memoryviewslice):             # <<<<<<<<<<<<<<
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      /* "View.MemoryView":735
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   * 
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      __pyx_t_3 = __pyx_memoryview_fromslice(__pyx_v_dst, __pyx_v_new_ndim, NULL, NULL, __pyx_v_memview->dtype_is_object); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 740; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __Pyx_GOTREF(__pyx_t_3);
  
      /* "View.MemoryView":740
   *                                     memview.dtype_is_object)
   *     else:
   *         return memoryview_fromslice(dst, new_ndim, NULL, NULL,             # <<<<<<<<<<<<<<
   *                                     memview.dtype_is_object)
   * 
   */
      if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_memoryview_type))))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 740; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __pyx_r = ((struct __pyx_memoryview_obj *)__pyx_t_3);
      __pyx_t_3 = 0;
      goto __pyx_L0;
    }
  
    /* "View.MemoryView":668
   * 
   * @cname('__pyx_memview_slice')
   * cdef memoryview memview_slice(memoryview memview, object indices):             # <<<<<<<<<<<<<<
   *     cdef int new_ndim = 0, suboffset_dim = -1, dim
   *     cdef bint negative_step
   */
  
    /* function exit code */
    __pyx_L1_error:;
    __Pyx_XDECREF(__pyx_t_3);
    __Pyx_XDECREF(__pyx_t_9);
    __Pyx_AddTraceback("View.MemoryView.memview_slice", __pyx_clineno, __pyx_lineno, __pyx_filename);
    __pyx_r = 0;
    __pyx_L0:;
    __Pyx_XDECREF((PyObject *)__pyx_v_memviewsliceobj);
    __Pyx_XDECREF(__pyx_v_index);
    __Pyx_XGIVEREF((PyObject *)__pyx_r);
    __Pyx_RefNannyFinishContext();
    return __pyx_r;
  }
  
  /* "View.MemoryView":765
   * 
   * @cname('__pyx_memoryview_slice_memviewslice')
   * 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) {
    Py_ssize_t __pyx_v_new_shape;
    int __pyx_v_negative_step;
    int __pyx_r;
    int __pyx_t_1;
    int __pyx_t_2;
    int __pyx_t_3;
    int __pyx_lineno = 0;
    const char *__pyx_filename = NULL;
    int __pyx_clineno = 0;
  
    /* "View.MemoryView":785
   *     cdef bint negative_step
   * 
   *     if not is_slice:             # <<<<<<<<<<<<<<
   * 
   *         if start < 0:
   */
    __pyx_t_1 = ((!(__pyx_v_is_slice != 0)) != 0);
    if (__pyx_t_1) {
  
      /* "View.MemoryView":787
   *     if not is_slice:
   * 
   *         if start < 0:             # <<<<<<<<<<<<<<
   *             start += shape
   *         if not 0 <= start < shape:
   */
      __pyx_t_1 = ((__pyx_v_start < 0) != 0);
      if (__pyx_t_1) {
  
        /* "View.MemoryView":788
   * 
   *         if start < 0:
   *             start += shape             # <<<<<<<<<<<<<<
   *         if not 0 <= start < shape:
   *             _err_dim(IndexError, "Index out of bounds (axis %d)", dim)
   */
        __pyx_v_start = (__pyx_v_start + __pyx_v_shape);
  
        /* "View.MemoryView":787
   *     if not is_slice:
   * 
   *         if start < 0:             # <<<<<<<<<<<<<<
   *             start += shape
   *         if not 0 <= start < shape:
   */
      }
  
      /* "View.MemoryView":789
   *         if start < 0:
   *             start += shape
   *         if not 0 <= start < shape:             # <<<<<<<<<<<<<<
   *             _err_dim(IndexError, "Index out of bounds (axis %d)", dim)
   *     else:
   */
      __pyx_t_1 = (0 <= __pyx_v_start);
      if (__pyx_t_1) {
        __pyx_t_1 = (__pyx_v_start < __pyx_v_shape);
      }
      __pyx_t_2 = ((!(__pyx_t_1 != 0)) != 0);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":790
   *             start += shape
   *         if not 0 <= start < shape:
   *             _err_dim(IndexError, "Index out of bounds (axis %d)", dim)             # <<<<<<<<<<<<<<
   *     else:
   * 
   */
        __pyx_t_3 = __pyx_memoryview_err_dim(__pyx_builtin_IndexError, __pyx_k_Index_out_of_bounds_axis_d, __pyx_v_dim); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 790; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  
        /* "View.MemoryView":789
   *         if start < 0:
   *             start += shape
   *         if not 0 <= start < shape:             # <<<<<<<<<<<<<<
   *             _err_dim(IndexError, "Index out of bounds (axis %d)", dim)
   *     else:
   */
      }
  
      /* "View.MemoryView":785
   *     cdef bint negative_step
   * 
   *     if not is_slice:             # <<<<<<<<<<<<<<
   * 
   *         if start < 0:
   */
      goto __pyx_L3;
    }
  
    /* "View.MemoryView":793
   *     else:
   * 
   *         negative_step = have_step != 0 and step < 0             # <<<<<<<<<<<<<<
   * 
   *         if have_step and step == 0:
   */
    /*else*/ {
      __pyx_t_1 = ((__pyx_v_have_step != 0) != 0);
      if (__pyx_t_1) {
      } else {
        __pyx_t_2 = __pyx_t_1;
        goto __pyx_L6_bool_binop_done;
      }
      __pyx_t_1 = ((__pyx_v_step < 0) != 0);
      __pyx_t_2 = __pyx_t_1;
      __pyx_L6_bool_binop_done:;
      __pyx_v_negative_step = __pyx_t_2;
  
      /* "View.MemoryView":795
   *         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);
      if (__pyx_t_1) {
      } else {
        __pyx_t_2 = __pyx_t_1;
        goto __pyx_L9_bool_binop_done;
      }
      __pyx_t_1 = ((__pyx_v_step == 0) != 0);
      __pyx_t_2 = __pyx_t_1;
      __pyx_L9_bool_binop_done:;
      if (__pyx_t_2) {
  
        /* "View.MemoryView":796
   * 
   *         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, __pyx_k_Step_may_not_be_zero_axis_d, __pyx_v_dim); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 796; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  
        /* "View.MemoryView":795
   *         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)
   * 
   */
      }
  
      /* "View.MemoryView":799
   * 
   * 
   *         if have_start:             # <<<<<<<<<<<<<<
   *             if start < 0:
   *                 start += shape
   */
      __pyx_t_2 = (__pyx_v_have_start != 0);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":800
   * 
   *         if have_start:
   *             if start < 0:             # <<<<<<<<<<<<<<
   *                 start += shape
   *                 if start < 0:
   */
        __pyx_t_2 = ((__pyx_v_start < 0) != 0);
        if (__pyx_t_2) {
  
          /* "View.MemoryView":801
   *         if have_start:
   *             if start < 0:
   *                 start += shape             # <<<<<<<<<<<<<<
   *                 if start < 0:
   *                     start = 0
   */
          __pyx_v_start = (__pyx_v_start + __pyx_v_shape);
  
          /* "View.MemoryView":802
   *             if start < 0:
   *                 start += shape
   *                 if start < 0:             # <<<<<<<<<<<<<<
   *                     start = 0
   *             elif start >= shape:
   */
          __pyx_t_2 = ((__pyx_v_start < 0) != 0);
          if (__pyx_t_2) {
  
            /* "View.MemoryView":803
   *                 start += shape
   *                 if start < 0:
   *                     start = 0             # <<<<<<<<<<<<<<
   *             elif start >= shape:
   *                 if negative_step:
   */
            __pyx_v_start = 0;
  
            /* "View.MemoryView":802
   *             if start < 0:
   *                 start += shape
   *                 if start < 0:             # <<<<<<<<<<<<<<
   *                     start = 0
   *             elif start >= shape:
   */
          }
  
          /* "View.MemoryView":800
   * 
   *         if have_start:
   *             if start < 0:             # <<<<<<<<<<<<<<
   *                 start += shape
   *                 if start < 0:
   */
          goto __pyx_L12;
        }
  
        /* "View.MemoryView":804
   *                 if start < 0:
   *                     start = 0
   *             elif start >= shape:             # <<<<<<<<<<<<<<
   *                 if negative_step:
   *                     start = shape - 1
   */
        __pyx_t_2 = ((__pyx_v_start >= __pyx_v_shape) != 0);
        if (__pyx_t_2) {
  
          /* "View.MemoryView":805
   *                     start = 0
   *             elif start >= shape:
   *                 if negative_step:             # <<<<<<<<<<<<<<
   *                     start = shape - 1
   *                 else:
   */
          __pyx_t_2 = (__pyx_v_negative_step != 0);
          if (__pyx_t_2) {
  
            /* "View.MemoryView":806
   *             elif start >= shape:
   *                 if negative_step:
   *                     start = shape - 1             # <<<<<<<<<<<<<<
   *                 else:
   *                     start = shape
   */
            __pyx_v_start = (__pyx_v_shape - 1);
  
            /* "View.MemoryView":805
   *                     start = 0
   *             elif start >= shape:
   *                 if negative_step:             # <<<<<<<<<<<<<<
   *                     start = shape - 1
   *                 else:
   */
            goto __pyx_L14;
          }
  
          /* "View.MemoryView":808
   *                     start = shape - 1
   *                 else:
   *                     start = shape             # <<<<<<<<<<<<<<
   *         else:
   *             if negative_step:
   */
          /*else*/ {
            __pyx_v_start = __pyx_v_shape;
          }
          __pyx_L14:;
  
          /* "View.MemoryView":804
   *                 if start < 0:
   *                     start = 0
   *             elif start >= shape:             # <<<<<<<<<<<<<<
   *                 if negative_step:
   *                     start = shape - 1
   */
        }
        __pyx_L12:;
  
        /* "View.MemoryView":799
   * 
   * 
   *         if have_start:             # <<<<<<<<<<<<<<
   *             if start < 0:
   *                 start += shape
   */
        goto __pyx_L11;
      }
  
      /* "View.MemoryView":810
   *                     start = shape
   *         else:
   *             if negative_step:             # <<<<<<<<<<<<<<
   *                 start = shape - 1
   *             else:
   */
      /*else*/ {
        __pyx_t_2 = (__pyx_v_negative_step != 0);
        if (__pyx_t_2) {
  
          /* "View.MemoryView":811
   *         else:
   *             if negative_step:
   *                 start = shape - 1             # <<<<<<<<<<<<<<
   *             else:
   *                 start = 0
   */
          __pyx_v_start = (__pyx_v_shape - 1);
  
          /* "View.MemoryView":810
   *                     start = shape
   *         else:
   *             if negative_step:             # <<<<<<<<<<<<<<
   *                 start = shape - 1
   *             else:
   */
          goto __pyx_L15;
        }
  
        /* "View.MemoryView":813
   *                 start = shape - 1
   *             else:
   *                 start = 0             # <<<<<<<<<<<<<<
   * 
   *         if have_stop:
   */
        /*else*/ {
          __pyx_v_start = 0;
        }
        __pyx_L15:;
      }
      __pyx_L11:;
  
      /* "View.MemoryView":815
   *                 start = 0
   * 
   *         if have_stop:             # <<<<<<<<<<<<<<
   *             if stop < 0:
   *                 stop += shape
   */
      __pyx_t_2 = (__pyx_v_have_stop != 0);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":816
   * 
   *         if have_stop:
   *             if stop < 0:             # <<<<<<<<<<<<<<
   *                 stop += shape
   *                 if stop < 0:
   */
        __pyx_t_2 = ((__pyx_v_stop < 0) != 0);
        if (__pyx_t_2) {
  
          /* "View.MemoryView":817
   *         if have_stop:
   *             if stop < 0:
   *                 stop += shape             # <<<<<<<<<<<<<<
   *                 if stop < 0:
   *                     stop = 0
   */
          __pyx_v_stop = (__pyx_v_stop + __pyx_v_shape);
  
          /* "View.MemoryView":818
   *             if stop < 0:
   *                 stop += shape
   *                 if stop < 0:             # <<<<<<<<<<<<<<
   *                     stop = 0
   *             elif stop > shape:
   */
          __pyx_t_2 = ((__pyx_v_stop < 0) != 0);
          if (__pyx_t_2) {
  
            /* "View.MemoryView":819
   *                 stop += shape
   *                 if stop < 0:
   *                     stop = 0             # <<<<<<<<<<<<<<
   *             elif stop > shape:
   *                 stop = shape
   */
            __pyx_v_stop = 0;
  
            /* "View.MemoryView":818
   *             if stop < 0:
   *                 stop += shape
   *                 if stop < 0:             # <<<<<<<<<<<<<<
   *                     stop = 0
   *             elif stop > shape:
   */
          }
  
          /* "View.MemoryView":816
   * 
   *         if have_stop:
   *             if stop < 0:             # <<<<<<<<<<<<<<
   *                 stop += shape
   *                 if stop < 0:
   */
          goto __pyx_L17;
        }
  
        /* "View.MemoryView":820
   *                 if stop < 0:
   *                     stop = 0
   *             elif stop > shape:             # <<<<<<<<<<<<<<
   *                 stop = shape
   *         else:
   */
        __pyx_t_2 = ((__pyx_v_stop > __pyx_v_shape) != 0);
        if (__pyx_t_2) {
  
          /* "View.MemoryView":821
   *                     stop = 0
   *             elif stop > shape:
   *                 stop = shape             # <<<<<<<<<<<<<<
   *         else:
   *             if negative_step:
   */
          __pyx_v_stop = __pyx_v_shape;
  
          /* "View.MemoryView":820
   *                 if stop < 0:
   *                     stop = 0
   *             elif stop > shape:             # <<<<<<<<<<<<<<
   *                 stop = shape
   *         else:
   */
        }
        __pyx_L17:;
  
        /* "View.MemoryView":815
   *                 start = 0
   * 
   *         if have_stop:             # <<<<<<<<<<<<<<
   *             if stop < 0:
   *                 stop += shape
   */
        goto __pyx_L16;
      }
  
      /* "View.MemoryView":823
   *                 stop = shape
   *         else:
   *             if negative_step:             # <<<<<<<<<<<<<<
   *                 stop = -1
   *             else:
   */
      /*else*/ {
        __pyx_t_2 = (__pyx_v_negative_step != 0);
        if (__pyx_t_2) {
  
          /* "View.MemoryView":824
   *         else:
   *             if negative_step:
   *                 stop = -1             # <<<<<<<<<<<<<<
   *             else:
   *                 stop = shape
   */
          __pyx_v_stop = -1L;
  
          /* "View.MemoryView":823
   *                 stop = shape
   *         else:
   *             if negative_step:             # <<<<<<<<<<<<<<
   *                 stop = -1
   *             else:
   */
          goto __pyx_L19;
        }
  
        /* "View.MemoryView":826
   *                 stop = -1
   *             else:
   *                 stop = shape             # <<<<<<<<<<<<<<
   * 
   *         if not have_step:
   */
        /*else*/ {
          __pyx_v_stop = __pyx_v_shape;
        }
        __pyx_L19:;
      }
      __pyx_L16:;
  
      /* "View.MemoryView":828
   *                 stop = shape
   * 
   *         if not have_step:             # <<<<<<<<<<<<<<
   *             step = 1
   * 
   */
      __pyx_t_2 = ((!(__pyx_v_have_step != 0)) != 0);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":829
   * 
   *         if not have_step:
   *             step = 1             # <<<<<<<<<<<<<<
   * 
   * 
   */
        __pyx_v_step = 1;
  
        /* "View.MemoryView":828
   *                 stop = shape
   * 
   *         if not have_step:             # <<<<<<<<<<<<<<
   *             step = 1
   * 
   */
      }
  
      /* "View.MemoryView":833
   * 
   *         with cython.cdivision(True):
   *             new_shape = (stop - start) // step             # <<<<<<<<<<<<<<
   * 
   *             if (stop - start) - step * new_shape:
   */
      __pyx_v_new_shape = ((__pyx_v_stop - __pyx_v_start) / __pyx_v_step);
  
      /* "View.MemoryView":835
   *             new_shape = (stop - start) // step
   * 
   *             if (stop - start) - step * new_shape:             # <<<<<<<<<<<<<<
   *                 new_shape += 1
   * 
   */
      __pyx_t_2 = (((__pyx_v_stop - __pyx_v_start) - (__pyx_v_step * __pyx_v_new_shape)) != 0);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":836
   * 
   *             if (stop - start) - step * new_shape:
   *                 new_shape += 1             # <<<<<<<<<<<<<<
   * 
   *         if new_shape < 0:
   */
        __pyx_v_new_shape = (__pyx_v_new_shape + 1);
  
        /* "View.MemoryView":835
   *             new_shape = (stop - start) // step
   * 
   *             if (stop - start) - step * new_shape:             # <<<<<<<<<<<<<<
   *                 new_shape += 1
   * 
   */
      }
  
      /* "View.MemoryView":838
   *                 new_shape += 1
   * 
   *         if new_shape < 0:             # <<<<<<<<<<<<<<
   *             new_shape = 0
   * 
   */
      __pyx_t_2 = ((__pyx_v_new_shape < 0) != 0);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":839
   * 
   *         if new_shape < 0:
   *             new_shape = 0             # <<<<<<<<<<<<<<
   * 
   * 
   */
        __pyx_v_new_shape = 0;
  
        /* "View.MemoryView":838
   *                 new_shape += 1
   * 
   *         if new_shape < 0:             # <<<<<<<<<<<<<<
   *             new_shape = 0
   * 
   */
      }
  
      /* "View.MemoryView":842
   * 
   * 
   *         dst.strides[new_ndim] = stride * step             # <<<<<<<<<<<<<<
   *         dst.shape[new_ndim] = new_shape
   *         dst.suboffsets[new_ndim] = suboffset
   */
      (__pyx_v_dst->strides[__pyx_v_new_ndim]) = (__pyx_v_stride * __pyx_v_step);
  
      /* "View.MemoryView":843
   * 
   *         dst.strides[new_ndim] = stride * step
   *         dst.shape[new_ndim] = new_shape             # <<<<<<<<<<<<<<
   *         dst.suboffsets[new_ndim] = suboffset
   * 
   */
      (__pyx_v_dst->shape[__pyx_v_new_ndim]) = __pyx_v_new_shape;
  
      /* "View.MemoryView":844
   *         dst.strides[new_ndim] = stride * step
   *         dst.shape[new_ndim] = new_shape
   *         dst.suboffsets[new_ndim] = suboffset             # <<<<<<<<<<<<<<
   * 
   * 
   */
      (__pyx_v_dst->suboffsets[__pyx_v_new_ndim]) = __pyx_v_suboffset;
    }
    __pyx_L3:;
  
    /* "View.MemoryView":847
   * 
   * 
   *     if suboffset_dim[0] < 0:             # <<<<<<<<<<<<<<
   *         dst.data += start * stride
   *     else:
   */
    __pyx_t_2 = (((__pyx_v_suboffset_dim[0]) < 0) != 0);
    if (__pyx_t_2) {
  
      /* "View.MemoryView":848
   * 
   *     if suboffset_dim[0] < 0:
   *         dst.data += start * stride             # <<<<<<<<<<<<<<
   *     else:
   *         dst.suboffsets[suboffset_dim[0]] += start * stride
   */
      __pyx_v_dst->data = (__pyx_v_dst->data + (__pyx_v_start * __pyx_v_stride));
  
      /* "View.MemoryView":847
   * 
   * 
   *     if suboffset_dim[0] < 0:             # <<<<<<<<<<<<<<
   *         dst.data += start * stride
   *     else:
   */
      goto __pyx_L23;
    }
  
    /* "View.MemoryView":850
   *         dst.data += start * stride
   *     else:
   *         dst.suboffsets[suboffset_dim[0]] += start * stride             # <<<<<<<<<<<<<<
   * 
   *     if suboffset >= 0:
   */
    /*else*/ {
      __pyx_t_3 = (__pyx_v_suboffset_dim[0]);
      (__pyx_v_dst->suboffsets[__pyx_t_3]) = ((__pyx_v_dst->suboffsets[__pyx_t_3]) + (__pyx_v_start * __pyx_v_stride));
    }
    __pyx_L23:;
  
    /* "View.MemoryView":852
   *         dst.suboffsets[suboffset_dim[0]] += start * stride
   * 
   *     if suboffset >= 0:             # <<<<<<<<<<<<<<
   *         if not is_slice:
   *             if new_ndim == 0:
   */
    __pyx_t_2 = ((__pyx_v_suboffset >= 0) != 0);
    if (__pyx_t_2) {
  
      /* "View.MemoryView":853
   * 
   *     if suboffset >= 0:
   *         if not is_slice:             # <<<<<<<<<<<<<<
   *             if new_ndim == 0:
   *                 dst.data = (<char **> dst.data)[0] + suboffset
   */
      __pyx_t_2 = ((!(__pyx_v_is_slice != 0)) != 0);
      if (__pyx_t_2) {
  
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   *         to_dtype_func = NULL
   * 
   *     return memoryview_fromslice(memviewslice[0], memview.view.ndim,             # <<<<<<<<<<<<<<
   *                                 to_object_func, to_dtype_func,
   *                                 memview.dtype_is_object)
   */
    __Pyx_XDECREF(__pyx_r);
  
    /* "View.MemoryView":1059
   *     return memoryview_fromslice(memviewslice[0], memview.view.ndim,
   *                                 to_object_func, to_dtype_func,
   *                                 memview.dtype_is_object)             # <<<<<<<<<<<<<<
   * 
   * 
   */
    __pyx_t_5 = __pyx_memoryview_fromslice((__pyx_v_memviewslice[0]), __pyx_v_memview->view.ndim, __pyx_v_to_object_func, __pyx_v_to_dtype_func, __pyx_v_memview->dtype_is_object); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 1057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
    __Pyx_GOTREF(__pyx_t_5);
    __pyx_r = __pyx_t_5;
    __pyx_t_5 = 0;
    goto __pyx_L0;
  
    /* "View.MemoryView":1043
   * 
   * @cname('__pyx_memoryview_copy_object_from_slice')
   * cdef memoryview_copy_from_slice(memoryview memview, __Pyx_memviewslice *memviewslice):             # <<<<<<<<<<<<<<
   *     """
   *     Create a new memoryview object from a given memoryview object and slice.
   */
  
    /* function exit code */
    __pyx_L1_error:;
    __Pyx_XDECREF(__pyx_t_5);
    __Pyx_AddTraceback("View.MemoryView.memoryview_copy_from_slice", __pyx_clineno, __pyx_lineno, __pyx_filename);
    __pyx_r = 0;
    __pyx_L0:;
    __Pyx_XGIVEREF(__pyx_r);
    __Pyx_RefNannyFinishContext();
    return __pyx_r;
  }
  
  /* "View.MemoryView":1065
   * 
   * 
   * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:             # <<<<<<<<<<<<<<
   *     if arg < 0:
   *         return -arg
   */
  
  static Py_ssize_t abs_py_ssize_t(Py_ssize_t __pyx_v_arg) {
    Py_ssize_t __pyx_r;
    int __pyx_t_1;
  
    /* "View.MemoryView":1066
   * 
   * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:
   *     if arg < 0:             # <<<<<<<<<<<<<<
   *         return -arg
   *     else:
   */
    __pyx_t_1 = ((__pyx_v_arg < 0) != 0);
    if (__pyx_t_1) {
  
      /* "View.MemoryView":1067
   * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:
   *     if arg < 0:
   *         return -arg             # <<<<<<<<<<<<<<
   *     else:
   *         return arg
   */
      __pyx_r = (-__pyx_v_arg);
      goto __pyx_L0;
  
      /* "View.MemoryView":1066
   * 
   * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:
   *     if arg < 0:             # <<<<<<<<<<<<<<
   *         return -arg
   *     else:
   */
    }
  
    /* "View.MemoryView":1069
   *         return -arg
   *     else:
   *         return arg             # <<<<<<<<<<<<<<
   * 
   * @cname('__pyx_get_best_slice_order')
   */
    /*else*/ {
      __pyx_r = __pyx_v_arg;
      goto __pyx_L0;
    }
  
    /* "View.MemoryView":1065
   * 
   * 
   * cdef Py_ssize_t abs_py_ssize_t(Py_ssize_t arg) nogil:             # <<<<<<<<<<<<<<
   *     if arg < 0:
   *         return -arg
   */
  
    /* function exit code */
    __pyx_L0:;
    return __pyx_r;
  }
  
  /* "View.MemoryView":1072
   * 
   * @cname('__pyx_get_best_slice_order')
   * cdef char get_best_order(__Pyx_memviewslice *mslice, int ndim) nogil:             # <<<<<<<<<<<<<<
   *     """
   *     Figure out the best memory access order for a given slice.
   */
  
  static char __pyx_get_best_slice_order(__Pyx_memviewslice *__pyx_v_mslice, int __pyx_v_ndim) {
    int __pyx_v_i;
    Py_ssize_t __pyx_v_c_stride;
    Py_ssize_t __pyx_v_f_stride;
    char __pyx_r;
    int __pyx_t_1;
    int __pyx_t_2;
    int __pyx_t_3;
  
    /* "View.MemoryView":1077
   *     """
   *     cdef int i
   *     cdef Py_ssize_t c_stride = 0             # <<<<<<<<<<<<<<
   *     cdef Py_ssize_t f_stride = 0
   * 
   */
    __pyx_v_c_stride = 0;
  
    /* "View.MemoryView":1078
   *     cdef int i
   *     cdef Py_ssize_t c_stride = 0
   *     cdef Py_ssize_t f_stride = 0             # <<<<<<<<<<<<<<
   * 
   *     for i in range(ndim - 1, -1, -1):
   */
    __pyx_v_f_stride = 0;
  
    /* "View.MemoryView":1080
   *     cdef Py_ssize_t f_stride = 0
   * 
   *     for i in range(ndim - 1, -1, -1):             # <<<<<<<<<<<<<<
   *         if mslice.shape[i] > 1:
   *             c_stride = mslice.strides[i]
   */
    for (__pyx_t_1 = (__pyx_v_ndim - 1); __pyx_t_1 > -1L; __pyx_t_1-=1) {
      __pyx_v_i = __pyx_t_1;
  
      /* "View.MemoryView":1081
   * 
   *     for i in range(ndim - 1, -1, -1):
   *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
   *             c_stride = mslice.strides[i]
   *             break
   */
      __pyx_t_2 = (((__pyx_v_mslice->shape[__pyx_v_i]) > 1) != 0);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":1082
   *     for i in range(ndim - 1, -1, -1):
   *         if mslice.shape[i] > 1:
   *             c_stride = mslice.strides[i]             # <<<<<<<<<<<<<<
   *             break
   * 
   */
        __pyx_v_c_stride = (__pyx_v_mslice->strides[__pyx_v_i]);
  
        /* "View.MemoryView":1083
   *         if mslice.shape[i] > 1:
   *             c_stride = mslice.strides[i]
   *             break             # <<<<<<<<<<<<<<
   * 
   *     for i in range(ndim):
   */
        goto __pyx_L4_break;
  
        /* "View.MemoryView":1081
   * 
   *     for i in range(ndim - 1, -1, -1):
   *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
   *             c_stride = mslice.strides[i]
   *             break
   */
      }
    }
    __pyx_L4_break:;
  
    /* "View.MemoryView":1085
   *             break
   * 
   *     for i in range(ndim):             # <<<<<<<<<<<<<<
   *         if mslice.shape[i] > 1:
   *             f_stride = mslice.strides[i]
   */
    __pyx_t_1 = __pyx_v_ndim;
    for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_1; __pyx_t_3+=1) {
      __pyx_v_i = __pyx_t_3;
  
      /* "View.MemoryView":1086
   * 
   *     for i in range(ndim):
   *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
   *             f_stride = mslice.strides[i]
   *             break
   */
      __pyx_t_2 = (((__pyx_v_mslice->shape[__pyx_v_i]) > 1) != 0);
      if (__pyx_t_2) {
  
        /* "View.MemoryView":1087
   *     for i in range(ndim):
   *         if mslice.shape[i] > 1:
   *             f_stride = mslice.strides[i]             # <<<<<<<<<<<<<<
   *             break
   * 
   */
        __pyx_v_f_stride = (__pyx_v_mslice->strides[__pyx_v_i]);
  
        /* "View.MemoryView":1088
   *         if mslice.shape[i] > 1:
   *             f_stride = mslice.strides[i]
   *             break             # <<<<<<<<<<<<<<
   * 
   *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):
   */
        goto __pyx_L7_break;
  
        /* "View.MemoryView":1086
   * 
   *     for i in range(ndim):
   *         if mslice.shape[i] > 1:             # <<<<<<<<<<<<<<
   *             f_stride = mslice.strides[i]
   *             break
   */
      }
    }
    __pyx_L7_break:;
  
    /* "View.MemoryView":1090
   *             break
   * 
   *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):             # <<<<<<<<<<<<<<
   *         return 'C'
   *     else:
   */
    __pyx_t_2 = ((abs_py_ssize_t(__pyx_v_c_stride) <= abs_py_ssize_t(__pyx_v_f_stride)) != 0);
    if (__pyx_t_2) {
  
      /* "View.MemoryView":1091
   * 
   *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):
   *         return 'C'             # <<<<<<<<<<<<<<
   *     else:
   *         return 'F'
   */
      __pyx_r = 'C';
      goto __pyx_L0;
  
      /* "View.MemoryView":1090
   *             break
   * 
   *     if abs_py_ssize_t(c_stride) <= abs_py_ssize_t(f_stride):             # <<<<<<<<<<<<<<
   *         return 'C'
   *     else:
   */
    }
  
    /* "View.MemoryView":1093
   *         return 'C'
   *     else:
   *         return 'F'             # <<<<<<<<<<<<<<
   * 
   * @cython.cdivision(True)
   */
    /*else*/ {
      __pyx_r = 'F';
      goto __pyx_L0;
    }
  
    /* "View.MemoryView":1072
   * 
   * @cname('__pyx_get_best_slice_order')
   * cdef char get_best_order(__Pyx_memviewslice *mslice, int ndim) nogil:             # <<<<<<<<<<<<<<
   *     """
   *     Figure out the best memory access order for a given slice.
   */
  
    /* function exit code */
    __pyx_L0:;
    return __pyx_r;
  }
  
  /* "View.MemoryView":1096
   * 
   * @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,
   */
  
  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":1103
   * 
   *     cdef Py_ssize_t i
   *     cdef Py_ssize_t src_extent = src_shape[0]             # <<<<<<<<<<<<<<
   *     cdef Py_ssize_t dst_extent = dst_shape[0]
   *     cdef Py_ssize_t src_stride = src_strides[0]
   */
    __pyx_v_src_extent = (__pyx_v_src_shape[0]);
  
    /* "View.MemoryView":1104
   *     cdef Py_ssize_t i
   *     cdef Py_ssize_t src_extent = src_shape[0]
   *     cdef Py_ssize_t dst_extent = dst_shape[0]             # <<<<<<<<<<<<<<
   *     cdef Py_ssize_t src_stride = src_strides[0]
   *     cdef Py_ssize_t dst_stride = dst_strides[0]
   */
    __pyx_v_dst_extent = (__pyx_v_dst_shape[0]);
  
    /* "View.MemoryView":1105
   *     cdef Py_ssize_t src_extent = src_shape[0]
   *     cdef Py_ssize_t dst_extent = dst_shape[0]
   *     cdef Py_ssize_t src_stride = src_strides[0]             # <<<<<<<<<<<<<<
   *     cdef Py_ssize_t dst_stride = dst_strides[0]
   * 
   */
    __pyx_v_src_stride = (__pyx_v_src_strides[0]);
  
    /* "View.MemoryView":1106
   *     cdef Py_ssize_t dst_extent = dst_shape[0]
   *     cdef Py_ssize_t src_stride = src_strides[0]
   *     cdef Py_ssize_t dst_stride = dst_strides[0]             # <<<<<<<<<<<<<<
   * 
   *     if ndim == 1:
   */
    __pyx_v_dst_stride = (__pyx_v_dst_strides[0]);
  
    /* "View.MemoryView":1108
   *     cdef Py_ssize_t dst_stride = dst_strides[0]
   * 
   *     if ndim == 1:             # <<<<<<<<<<<<<<
   *        if (src_stride > 0 and dst_stride > 0 and
   *            <size_t> src_stride == itemsize == <size_t> dst_stride):
   */
    __pyx_t_1 = ((__pyx_v_ndim == 1) != 0);
    if (__pyx_t_1) {
  
      /* "View.MemoryView":1109
   * 
   *     if ndim == 1:
   *        if (src_stride > 0 and dst_stride > 0 and             # <<<<<<<<<<<<<<
   *            <size_t> src_stride == itemsize == <size_t> dst_stride):
   *            memcpy(dst_data, src_data, itemsize * dst_extent)
   */
      __pyx_t_2 = ((__pyx_v_src_stride > 0) != 0);
      if (__pyx_t_2) {
      } else {
        __pyx_t_1 = __pyx_t_2;
        goto __pyx_L5_bool_binop_done;
      }
      __pyx_t_2 = ((__pyx_v_dst_stride > 0) != 0);
      if (__pyx_t_2) {
      } else {
        __pyx_t_1 = __pyx_t_2;
        goto __pyx_L5_bool_binop_done;
      }
  
      /* "View.MemoryView":1110
   *     if ndim == 1:
   *        if (src_stride > 0 and dst_stride > 0 and
   *            <size_t> src_stride == itemsize == <size_t> dst_stride):             # <<<<<<<<<<<<<<
   *            memcpy(dst_data, src_data, itemsize * dst_extent)
   *        else:
   */
      __pyx_t_2 = (((size_t)__pyx_v_src_stride) == __pyx_v_itemsize);
      if (__pyx_t_2) {
        __pyx_t_2 = (__pyx_v_itemsize == ((size_t)__pyx_v_dst_stride));
      }
      __pyx_t_3 = (__pyx_t_2 != 0);
      __pyx_t_1 = __pyx_t_3;
      __pyx_L5_bool_binop_done:;
  
      /* "View.MemoryView":1109
   * 
   *     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":1111
   *        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":1109
   * 
   *     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":1113
   *            memcpy(dst_data, src_data, itemsize * dst_extent)
   *        else:
   *            for i in range(dst_extent):             # <<<<<<<<<<<<<<
   *                memcpy(dst_data, src_data, itemsize)
   *                src_data += src_stride
   */
      /*else*/ {
        __pyx_t_4 = __pyx_v_dst_extent;
        for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
          __pyx_v_i = __pyx_t_5;
  
          /* "View.MemoryView":1114
   *        else:
   *            for i in range(dst_extent):
   *                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":1115
   *            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":1116
   *                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":1108
   *     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":1118
   *                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":1119
   *     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":1123
   *                                      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":1124
   *                                      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":1096
   * 
   * @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":1126
   *             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":1129
   *                                   __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":1126
   *             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":1133
   * 
   * @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":1136
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   *     for i in range(ndim):
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   *     for i in range(ndim):             # <<<<<<<<<<<<<<
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   *     for i in range(ndim):
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   *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)
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        __pyx_v_order = __pyx_get_best_slice_order((&__pyx_v_dst), __pyx_v_ndim);
  
        /* "View.MemoryView":1261
   *     if slices_overlap(&src, &dst, ndim, itemsize):
   * 
   *         if not slice_is_contig(&src, order, ndim):             # <<<<<<<<<<<<<<
   *             order = get_best_order(&dst, ndim)
   * 
   */
      }
  
      /* "View.MemoryView":1264
   *             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_filename = __pyx_f[1]; __pyx_lineno = 1264; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
      __pyx_v_tmpdata = __pyx_t_6;
  
      /* "View.MemoryView":1265
   * 
   *         tmpdata = copy_data_to_temp(&src, &tmp, order, ndim)
   *         src = tmp             # <<<<<<<<<<<<<<
   * 
   *     if not broadcasting:
   */
      __pyx_v_src = __pyx_v_tmp;
  
      /* "View.MemoryView":1259
   *             _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":1267
   *         src = tmp
   * 
   *     if not broadcasting:             # <<<<<<<<<<<<<<
   * 
   * 
   */
    __pyx_t_2 = ((!(__pyx_v_broadcasting != 0)) != 0);
    if (__pyx_t_2) {
  
      /* "View.MemoryView":1270
   * 
   * 
   *         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":1271
   * 
   *         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":1270
   * 
   * 
   *         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":1272
   *         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":1273
   *             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":1272
   *         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":1275
   *             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":1277
   *         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":1278
   * 
   *             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":1279
   *             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":1280
   *             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":1281
   *             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":1275
   *             direct_copy = slice_is_contig(&dst, 'F', ndim)
   * 
   *         if direct_copy:             # <<<<<<<<<<<<<<
   * 
   *             refcount_copying(&dst, dtype_is_object, ndim, False)
   */
      }
  
      /* "View.MemoryView":1267
   *         src = tmp
   * 
   *     if not broadcasting:             # <<<<<<<<<<<<<<
   * 
   * 
   */
    }
  
    /* "View.MemoryView":1283
   *             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":1286
   * 
   * 
   *         transpose_memslice(&src)             # <<<<<<<<<<<<<<
   *         transpose_memslice(&dst)
   * 
   */
      __pyx_t_5 = __pyx_memslice_transpose((&__pyx_v_src)); if (unlikely(__pyx_t_5 == 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 1286; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  
      /* "View.MemoryView":1287
   * 
   *         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_filename = __pyx_f[1]; __pyx_lineno = 1287; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
  
      /* "View.MemoryView":1283
   *             return 0
   * 
   *     if order == 'F' == get_best_order(&dst, ndim):             # <<<<<<<<<<<<<<
   * 
   * 
   */
    }
  
    /* "View.MemoryView":1289
   *         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":1290
   * 
   *     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":1291
   *     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":1293
   *     refcount_copying(&dst, dtype_is_object, ndim, True)
   * 
   *     free(tmpdata)             # <<<<<<<<<<<<<<
   *     return 0
   * 
   */
    free(__pyx_v_tmpdata);
  
    /* "View.MemoryView":1294
   * 
   *     free(tmpdata)
   *     return 0             # <<<<<<<<<<<<<<
   * 
   * @cname('__pyx_memoryview_broadcast_leading')
   */
    __pyx_r = 0;
    goto __pyx_L0;
  
    /* "View.MemoryView":1225
   * 
   * @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:;
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      #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
    }
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  /* "View.MemoryView":1297
   * 
   * @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":1301
   *                             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":1303
   *     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":1304
   * 
   *     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":1305
   *     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":1306
   *         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":1308
   *         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":1309
   * 
   *     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":1310
   *     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":1311
   *         mslice.shape[i] = 1
   *         mslice.strides[i] = mslice.strides[0]
   *         mslice.suboffsets[i] = -1             # <<<<<<<<<<<<<<
   * 
   * 
   */
      (__pyx_v_mslice->suboffsets[__pyx_v_i]) = -1L;
    }
  
    /* "View.MemoryView":1297
   * 
   * @cname('__pyx_memoryview_broadcast_leading')
   * cdef void broadcast_leading(__Pyx_memviewslice *mslice,             # <<<<<<<<<<<<<<
   *                             int ndim,
   *                             int ndim_other) nogil:
   */
  
    /* function exit code */
  }
  
  /* "View.MemoryView":1319
   * 
   * @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":1323
   * 
   * 
   *     if dtype_is_object:             # <<<<<<<<<<<<<<
   *         refcount_objects_in_slice_with_gil(dst.data, dst.shape,
   *                                            dst.strides, ndim, inc)
   */
    __pyx_t_1 = (__pyx_v_dtype_is_object != 0);
    if (__pyx_t_1) {
  
      /* "View.MemoryView":1324
   * 
   *     if dtype_is_object:
   *         refcount_objects_in_slice_with_gil(dst.data, dst.shape,             # <<<<<<<<<<<<<<
   *                                            dst.strides, ndim, inc)
   * 
   */
      __pyx_memoryview_refcount_objects_in_slice_with_gil(__pyx_v_dst->data, __pyx_v_dst->shape, __pyx_v_dst->strides, __pyx_v_ndim, __pyx_v_inc);
  
      /* "View.MemoryView":1323
   * 
   * 
   *     if dtype_is_object:             # <<<<<<<<<<<<<<
   *         refcount_objects_in_slice_with_gil(dst.data, dst.shape,
   *                                            dst.strides, ndim, inc)
   */
    }
  
    /* "View.MemoryView":1319
   * 
   * @cname('__pyx_memoryview_refcount_copying')
   * cdef void refcount_copying(__Pyx_memviewslice *dst, bint dtype_is_object,             # <<<<<<<<<<<<<<
   *                            int ndim, bint inc) nogil:
   * 
   */
  
    /* function exit code */
  }
  
  /* "View.MemoryView":1328
   * 
   * @cname('__pyx_memoryview_refcount_objects_in_slice_with_gil')
   * cdef void refcount_objects_in_slice_with_gil(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
   *                                              Py_ssize_t *strides, int ndim,
   *                                              bint inc) with gil:
   */
  
  static void __pyx_memoryview_refcount_objects_in_slice_with_gil(char *__pyx_v_data, Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, int __pyx_v_ndim, int __pyx_v_inc) {
    __Pyx_RefNannyDeclarations
    #ifdef WITH_THREAD
    PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();
    #endif
    __Pyx_RefNannySetupContext("refcount_objects_in_slice_with_gil", 0);
  
    /* "View.MemoryView":1331
   *                                              Py_ssize_t *strides, int ndim,
   *                                              bint inc) with gil:
   *     refcount_objects_in_slice(data, shape, strides, ndim, inc)             # <<<<<<<<<<<<<<
   * 
   * @cname('__pyx_memoryview_refcount_objects_in_slice')
   */
    __pyx_memoryview_refcount_objects_in_slice(__pyx_v_data, __pyx_v_shape, __pyx_v_strides, __pyx_v_ndim, __pyx_v_inc);
  
    /* "View.MemoryView":1328
   * 
   * @cname('__pyx_memoryview_refcount_objects_in_slice_with_gil')
   * cdef void refcount_objects_in_slice_with_gil(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
   *                                              Py_ssize_t *strides, int ndim,
   *                                              bint inc) with gil:
   */
  
    /* function exit code */
    __Pyx_RefNannyFinishContext();
    #ifdef WITH_THREAD
    PyGILState_Release(__pyx_gilstate_save);
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  /* "View.MemoryView":1334
   * 
   * @cname('__pyx_memoryview_refcount_objects_in_slice')
   * cdef void refcount_objects_in_slice(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
   *                                     Py_ssize_t *strides, int ndim, bint inc):
   *     cdef Py_ssize_t i
   */
  
  static void __pyx_memoryview_refcount_objects_in_slice(char *__pyx_v_data, Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, int __pyx_v_ndim, int __pyx_v_inc) {
    CYTHON_UNUSED Py_ssize_t __pyx_v_i;
    __Pyx_RefNannyDeclarations
    Py_ssize_t __pyx_t_1;
    Py_ssize_t __pyx_t_2;
    int __pyx_t_3;
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    /* "View.MemoryView":1338
   *     cdef Py_ssize_t i
   * 
   *     for i in range(shape[0]):             # <<<<<<<<<<<<<<
   *         if ndim == 1:
   *             if inc:
   */
    __pyx_t_1 = (__pyx_v_shape[0]);
    for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
      __pyx_v_i = __pyx_t_2;
  
      /* "View.MemoryView":1339
   * 
   *     for i in range(shape[0]):
   *         if ndim == 1:             # <<<<<<<<<<<<<<
   *             if inc:
   *                 Py_INCREF((<PyObject **> data)[0])
   */
      __pyx_t_3 = ((__pyx_v_ndim == 1) != 0);
      if (__pyx_t_3) {
  
        /* "View.MemoryView":1340
   *     for i in range(shape[0]):
   *         if ndim == 1:
   *             if inc:             # <<<<<<<<<<<<<<
   *                 Py_INCREF((<PyObject **> data)[0])
   *             else:
   */
        __pyx_t_3 = (__pyx_v_inc != 0);
        if (__pyx_t_3) {
  
          /* "View.MemoryView":1341
   *         if ndim == 1:
   *             if inc:
   *                 Py_INCREF((<PyObject **> data)[0])             # <<<<<<<<<<<<<<
   *             else:
   *                 Py_DECREF((<PyObject **> data)[0])
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          Py_INCREF((((PyObject **)__pyx_v_data)[0]));
  
          /* "View.MemoryView":1340
   *     for i in range(shape[0]):
   *         if ndim == 1:
   *             if inc:             # <<<<<<<<<<<<<<
   *                 Py_INCREF((<PyObject **> data)[0])
   *             else:
   */
          goto __pyx_L6;
        }
  
        /* "View.MemoryView":1343
   *                 Py_INCREF((<PyObject **> data)[0])
   *             else:
   *                 Py_DECREF((<PyObject **> data)[0])             # <<<<<<<<<<<<<<
   *         else:
   *             refcount_objects_in_slice(data, shape + 1, strides + 1,
   */
        /*else*/ {
          Py_DECREF((((PyObject **)__pyx_v_data)[0]));
        }
        __pyx_L6:;
  
        /* "View.MemoryView":1339
   * 
   *     for i in range(shape[0]):
   *         if ndim == 1:             # <<<<<<<<<<<<<<
   *             if inc:
   *                 Py_INCREF((<PyObject **> data)[0])
   */
        goto __pyx_L5;
      }
  
      /* "View.MemoryView":1345
   *                 Py_DECREF((<PyObject **> data)[0])
   *         else:
   *             refcount_objects_in_slice(data, shape + 1, strides + 1,             # <<<<<<<<<<<<<<
   *                                       ndim - 1, inc)
   * 
   */
      /*else*/ {
  
        /* "View.MemoryView":1346
   *         else:
   *             refcount_objects_in_slice(data, shape + 1, strides + 1,
   *                                       ndim - 1, inc)             # <<<<<<<<<<<<<<
   * 
   *         data += strides[0]
   */
        __pyx_memoryview_refcount_objects_in_slice(__pyx_v_data, (__pyx_v_shape + 1), (__pyx_v_strides + 1), (__pyx_v_ndim - 1), __pyx_v_inc);
      }
      __pyx_L5:;
  
      /* "View.MemoryView":1348
   *                                       ndim - 1, inc)
   * 
   *         data += strides[0]             # <<<<<<<<<<<<<<
   * 
   * 
   */
      __pyx_v_data = (__pyx_v_data + (__pyx_v_strides[0]));
    }
  
    /* "View.MemoryView":1334
   * 
   * @cname('__pyx_memoryview_refcount_objects_in_slice')
   * cdef void refcount_objects_in_slice(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
   *                                     Py_ssize_t *strides, int ndim, bint inc):
   *     cdef Py_ssize_t i
   */
  
    /* function exit code */
    __Pyx_RefNannyFinishContext();
  }
  
  /* "View.MemoryView":1354
   * 
   * @cname('__pyx_memoryview_slice_assign_scalar')
   * cdef void slice_assign_scalar(__Pyx_memviewslice *dst, int ndim,             # <<<<<<<<<<<<<<
   *                               size_t itemsize, void *item,
   *                               bint dtype_is_object) nogil:
   */
  
  static void __pyx_memoryview_slice_assign_scalar(__Pyx_memviewslice *__pyx_v_dst, int __pyx_v_ndim, size_t __pyx_v_itemsize, void *__pyx_v_item, int __pyx_v_dtype_is_object) {
  
    /* "View.MemoryView":1357
   *                               size_t itemsize, void *item,
   *                               bint dtype_is_object) nogil:
   *     refcount_copying(dst, dtype_is_object, ndim, False)             # <<<<<<<<<<<<<<
   *     _slice_assign_scalar(dst.data, dst.shape, dst.strides, ndim,
   *                          itemsize, item)
   */
    __pyx_memoryview_refcount_copying(__pyx_v_dst, __pyx_v_dtype_is_object, __pyx_v_ndim, 0);
  
    /* "View.MemoryView":1358
   *                               bint dtype_is_object) nogil:
   *     refcount_copying(dst, dtype_is_object, ndim, False)
   *     _slice_assign_scalar(dst.data, dst.shape, dst.strides, ndim,             # <<<<<<<<<<<<<<
   *                          itemsize, item)
   *     refcount_copying(dst, dtype_is_object, ndim, True)
   */
    __pyx_memoryview__slice_assign_scalar(__pyx_v_dst->data, __pyx_v_dst->shape, __pyx_v_dst->strides, __pyx_v_ndim, __pyx_v_itemsize, __pyx_v_item);
  
    /* "View.MemoryView":1360
   *     _slice_assign_scalar(dst.data, dst.shape, dst.strides, ndim,
   *                          itemsize, item)
   *     refcount_copying(dst, dtype_is_object, ndim, True)             # <<<<<<<<<<<<<<
   * 
   * 
   */
    __pyx_memoryview_refcount_copying(__pyx_v_dst, __pyx_v_dtype_is_object, __pyx_v_ndim, 1);
  
    /* "View.MemoryView":1354
   * 
   * @cname('__pyx_memoryview_slice_assign_scalar')
   * cdef void slice_assign_scalar(__Pyx_memviewslice *dst, int ndim,             # <<<<<<<<<<<<<<
   *                               size_t itemsize, void *item,
   *                               bint dtype_is_object) nogil:
   */
  
    /* function exit code */
  }
  
  /* "View.MemoryView":1364
   * 
   * @cname('__pyx_memoryview__slice_assign_scalar')
   * cdef void _slice_assign_scalar(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
   *                               Py_ssize_t *strides, int ndim,
   *                               size_t itemsize, void *item) nogil:
   */
  
  static void __pyx_memoryview__slice_assign_scalar(char *__pyx_v_data, Py_ssize_t *__pyx_v_shape, Py_ssize_t *__pyx_v_strides, int __pyx_v_ndim, size_t __pyx_v_itemsize, void *__pyx_v_item) {
    CYTHON_UNUSED Py_ssize_t __pyx_v_i;
    Py_ssize_t __pyx_v_stride;
    Py_ssize_t __pyx_v_extent;
    int __pyx_t_1;
    Py_ssize_t __pyx_t_2;
    Py_ssize_t __pyx_t_3;
  
    /* "View.MemoryView":1368
   *                               size_t itemsize, void *item) nogil:
   *     cdef Py_ssize_t i
   *     cdef Py_ssize_t stride = strides[0]             # <<<<<<<<<<<<<<
   *     cdef Py_ssize_t extent = shape[0]
   * 
   */
    __pyx_v_stride = (__pyx_v_strides[0]);
  
    /* "View.MemoryView":1369
   *     cdef Py_ssize_t i
   *     cdef Py_ssize_t stride = strides[0]
   *     cdef Py_ssize_t extent = shape[0]             # <<<<<<<<<<<<<<
   * 
   *     if ndim == 1:
   */
    __pyx_v_extent = (__pyx_v_shape[0]);
  
    /* "View.MemoryView":1371
   *     cdef Py_ssize_t extent = shape[0]
   * 
   *     if ndim == 1:             # <<<<<<<<<<<<<<
   *         for i in range(extent):
   *             memcpy(data, item, itemsize)
   */
    __pyx_t_1 = ((__pyx_v_ndim == 1) != 0);
    if (__pyx_t_1) {
  
      /* "View.MemoryView":1372
   * 
   *     if ndim == 1:
   *         for i in range(extent):             # <<<<<<<<<<<<<<
   *             memcpy(data, item, itemsize)
   *             data += stride
   */
      __pyx_t_2 = __pyx_v_extent;
      for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
        __pyx_v_i = __pyx_t_3;
  
        /* "View.MemoryView":1373
   *     if ndim == 1:
   *         for i in range(extent):
   *             memcpy(data, item, itemsize)             # <<<<<<<<<<<<<<
   *             data += stride
   *     else:
   */
        memcpy(__pyx_v_data, __pyx_v_item, __pyx_v_itemsize);
  
        /* "View.MemoryView":1374
   *         for i in range(extent):
   *             memcpy(data, item, itemsize)
   *             data += stride             # <<<<<<<<<<<<<<
   *     else:
   *         for i in range(extent):
   */
        __pyx_v_data = (__pyx_v_data + __pyx_v_stride);
      }
  
      /* "View.MemoryView":1371
   *     cdef Py_ssize_t extent = shape[0]
   * 
   *     if ndim == 1:             # <<<<<<<<<<<<<<
   *         for i in range(extent):
   *             memcpy(data, item, itemsize)
   */
      goto __pyx_L3;
    }
  
    /* "View.MemoryView":1376
   *             data += stride
   *     else:
   *         for i in range(extent):             # <<<<<<<<<<<<<<
   *             _slice_assign_scalar(data, shape + 1, strides + 1,
   *                                 ndim - 1, itemsize, item)
   */
    /*else*/ {
      __pyx_t_2 = __pyx_v_extent;
      for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
        __pyx_v_i = __pyx_t_3;
  
        /* "View.MemoryView":1377
   *     else:
   *         for i in range(extent):
   *             _slice_assign_scalar(data, shape + 1, strides + 1,             # <<<<<<<<<<<<<<
   *                                 ndim - 1, itemsize, item)
   *             data += stride
   */
        __pyx_memoryview__slice_assign_scalar(__pyx_v_data, (__pyx_v_shape + 1), (__pyx_v_strides + 1), (__pyx_v_ndim - 1), __pyx_v_itemsize, __pyx_v_item);
  
        /* "View.MemoryView":1379
   *             _slice_assign_scalar(data, shape + 1, strides + 1,
   *                                 ndim - 1, itemsize, item)
   *             data += stride             # <<<<<<<<<<<<<<
   * 
   * 
   */
        __pyx_v_data = (__pyx_v_data + __pyx_v_stride);
      }
    }
    __pyx_L3:;
  
    /* "View.MemoryView":1364
   * 
   * @cname('__pyx_memoryview__slice_assign_scalar')
   * cdef void _slice_assign_scalar(char *data, Py_ssize_t *shape,             # <<<<<<<<<<<<<<
   *                               Py_ssize_t *strides, int ndim,
   *                               size_t itemsize, void *item) nogil:
   */
  
    /* function exit code */
  }
  
  static PyObject *__pyx_tp_new_array(PyTypeObject *t, PyObject *a, PyObject *k) {
    struct __pyx_array_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_array_obj *)o);
    p->mode = ((PyObject*)Py_None); Py_INCREF(Py_None);
    p->_format = ((PyObject*)Py_None); Py_INCREF(Py_None);
    if (unlikely(__pyx_array___cinit__(o, a, k) < 0)) {
      Py_DECREF(o); o = 0;
    }
    return o;
  }
  
  static void __pyx_tp_dealloc_array(PyObject *o) {
    struct __pyx_array_obj *p = (struct __pyx_array_obj *)o;
    #if PY_VERSION_HEX >= 0x030400a1
    if (unlikely(Py_TYPE(o)->tp_finalize) && (!PyType_IS_GC(Py_TYPE(o)) || !_PyGC_FINALIZED(o))) {
      if (PyObject_CallFinalizerFromDealloc(o)) return;
    }
    #endif
    {
      PyObject *etype, *eval, *etb;
      PyErr_Fetch(&etype, &eval, &etb);
      ++Py_REFCNT(o);
      __pyx_array___dealloc__(o);
      --Py_REFCNT(o);
      PyErr_Restore(etype, eval, etb);
    }
    Py_CLEAR(p->mode);
    Py_CLEAR(p->_format);
    (*Py_TYPE(o)->tp_free)(o);
  }
  static PyObject *__pyx_sq_item_array(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_array(PyObject *o, PyObject *i, PyObject *v) {
    if (v) {
      return __pyx_array___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_tp_getattro_array(PyObject *o, PyObject *n) {
    PyObject *v = PyObject_GenericGetAttr(o, n);
    if (!v && PyErr_ExceptionMatches(PyExc_AttributeError)) {
      PyErr_Clear();
      v = __pyx_array___getattr__(o, n);
    }
    return v;
  }
  
  static PyObject *__pyx_getprop___pyx_array_memview(PyObject *o, CYTHON_UNUSED void *x) {
    return get_memview(o);
  }
  
  static PyMethodDef __pyx_methods_array[] = {
    {"__getattr__", (PyCFunction)__pyx_array___getattr__, METH_O|METH_COEXIST, 0},
    {0, 0, 0, 0}
  };
  
  static struct PyGetSetDef __pyx_getsets_array[] = {
    {(char *)"memview", __pyx_getprop___pyx_array_memview, 0, 0, 0},
    {0, 0, 0, 0, 0}
  };
  
  static PySequenceMethods __pyx_tp_as_sequence_array = {
    0, /*sq_length*/
    0, /*sq_concat*/
    0, /*sq_repeat*/
    __pyx_sq_item_array, /*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_array = {
    0, /*mp_length*/
    __pyx_array___getitem__, /*mp_subscript*/
    __pyx_mp_ass_subscript_array, /*mp_ass_subscript*/
  };
  
  static PyBufferProcs __pyx_tp_as_buffer_array = {
    #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_array_getbuffer, /*bf_getbuffer*/
    0, /*bf_releasebuffer*/
  };
  
  static PyTypeObject __pyx_type___pyx_array = {
    PyVarObject_HEAD_INIT(0, 0)
    "skimage.feature.censure_cy.array", /*tp_name*/
    sizeof(struct __pyx_array_obj), /*tp_basicsize*/
    0, /*tp_itemsize*/
    __pyx_tp_dealloc_array, /*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
    0, /*tp_repr*/
    0, /*tp_as_number*/
    &__pyx_tp_as_sequence_array, /*tp_as_sequence*/
    &__pyx_tp_as_mapping_array, /*tp_as_mapping*/
    0, /*tp_hash*/
    0, /*tp_call*/
    0, /*tp_str*/
    __pyx_tp_getattro_array, /*tp_getattro*/
    0, /*tp_setattro*/
    &__pyx_tp_as_buffer_array, /*tp_as_buffer*/
    Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
    0, /*tp_doc*/
    0, /*tp_traverse*/
    0, /*tp_clear*/
    0, /*tp_richcompare*/
    0, /*tp_weaklistoffset*/
    0, /*tp_iter*/
    0, /*tp_iternext*/
    __pyx_methods_array, /*tp_methods*/
    0, /*tp_members*/
    __pyx_getsets_array, /*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_array, /*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 PyObject *__pyx_tp_new_Enum(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
    struct __pyx_MemviewEnum_obj *p;
    PyObject *o;
    if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
      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_MemviewEnum_obj *)o);
    p->name = Py_None; Py_INCREF(Py_None);
    return o;
  }
  
  static void __pyx_tp_dealloc_Enum(PyObject *o) {
    struct __pyx_MemviewEnum_obj *p = (struct __pyx_MemviewEnum_obj *)o;
    #if PY_VERSION_HEX >= 0x030400a1
    if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
      if (PyObject_CallFinalizerFromDealloc(o)) return;
    }
    #endif
    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.censure_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)) {
      Py_DECREF(o); o = 0;
    }
    return o;
  }
  
  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_memoryview_transpose(o);
  }
  
  static PyObject *__pyx_getprop___pyx_memoryview_base(PyObject *o, CYTHON_UNUSED void *x) {
    return __pyx_memoryview__get__base(o);
  }
  
  static PyObject *__pyx_getprop___pyx_memoryview_shape(PyObject *o, CYTHON_UNUSED void *x) {
    return __pyx_memoryview_get_shape(o);
  }
  
  static PyObject *__pyx_getprop___pyx_memoryview_strides(PyObject *o, CYTHON_UNUSED void *x) {
    return __pyx_memoryview_get_strides(o);
  }
  
  static PyObject *__pyx_getprop___pyx_memoryview_suboffsets(PyObject *o, CYTHON_UNUSED void *x) {
    return __pyx_memoryview_get_suboffsets(o);
  }
  
  static PyObject *__pyx_getprop___pyx_memoryview_ndim(PyObject *o, CYTHON_UNUSED void *x) {
    return __pyx_memoryview_get_ndim(o);
  }
  
  static PyObject *__pyx_getprop___pyx_memoryview_itemsize(PyObject *o, CYTHON_UNUSED void *x) {
    return __pyx_memoryview_get_itemsize(o);
  }
  
  static PyObject *__pyx_getprop___pyx_memoryview_nbytes(PyObject *o, CYTHON_UNUSED void *x) {
    return __pyx_memoryview_get_nbytes(o);
  }
  
  static PyObject *__pyx_getprop___pyx_memoryview_size(PyObject *o, CYTHON_UNUSED void *x) {
    return __pyx_memoryview_get_size(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, 0, 0},
    {(char *)"base", __pyx_getprop___pyx_memoryview_base, 0, 0, 0},
    {(char *)"shape", __pyx_getprop___pyx_memoryview_shape, 0, 0, 0},
    {(char *)"strides", __pyx_getprop___pyx_memoryview_strides, 0, 0, 0},
    {(char *)"suboffsets", __pyx_getprop___pyx_memoryview_suboffsets, 0, 0, 0},
    {(char *)"ndim", __pyx_getprop___pyx_memoryview_ndim, 0, 0, 0},
    {(char *)"itemsize", __pyx_getprop___pyx_memoryview_itemsize, 0, 0, 0},
    {(char *)"nbytes", __pyx_getprop___pyx_memoryview_nbytes, 0, 0, 0},
    {(char *)"size", __pyx_getprop___pyx_memoryview_size, 0, 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.censure_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_memoryviewslice__get__base(o);
  }
  
  static PyMethodDef __pyx_methods__memoryviewslice[] = {
    {0, 0, 0, 0}
  };
  
  static struct PyGetSetDef __pyx_getsets__memoryviewslice[] = {
    {(char *)"base", __pyx_getprop___pyx_memoryviewslice_base, 0, 0, 0},
    {0, 0, 0, 0, 0}
  };
  
  static PyTypeObject __pyx_type___pyx_memoryviewslice = {
    PyVarObject_HEAD_INIT(0, 0)
    "skimage.feature.censure_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
      "censure_cy",
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      -1, /* m_size */
      __pyx_methods /* m_methods */,
      NULL, /* m_reload */
      NULL, /* m_traverse */
      NULL, /* m_clear */
      NULL /* m_free */
  };
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      case 'q': return "'long long'";
      case 'Q': return "'unsigned long long'";
      case 'f': return (is_complex ? "'complex float'" : "'float'");
      case 'd': return (is_complex ? "'complex double'" : "'double'");
      case 'g': return (is_complex ? "'complex long double'" : "'long double'");
      case 'T': return "a struct";
      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;
      }
    }
  }
  typedef struct { char c; short x; } __Pyx_st_short;
  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) {
    switch (ch) {
      case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
      case 'h': case 'H': return sizeof(__Pyx_st_short) - sizeof(short);
      case 'i': case 'I': return sizeof(__Pyx_st_int) - sizeof(int);
      case 'l': case 'L': return sizeof(__Pyx_st_long) - sizeof(long);
  #ifdef HAVE_LONG_LONG
      case 'q': case 'Q': return sizeof(__Pyx_st_longlong) - sizeof(PY_LONG_LONG);
  #endif
      case 'f': return sizeof(__Pyx_st_float) - sizeof(float);
      case 'd': return sizeof(__Pyx_st_double) - sizeof(double);
      case 'g': return sizeof(__Pyx_st_longdouble) - sizeof(long double);
      case 'P': case 'O': return sizeof(__Pyx_st_void_p) - sizeof(void*);
      default:
        __Pyx_BufFmt_RaiseUnexpectedChar(ch);
        return 0;
      }
  }
  /* These are for computing the padding at the end of the struct to align
     on the first member of the struct. This will probably the same as above,
     but we don't have any guarantees.
   */
  typedef struct { short x; char c; } __Pyx_pad_short;
  typedef struct { int x; char c; } __Pyx_pad_int;
  typedef struct { long x; char c; } __Pyx_pad_long;
  typedef struct { float x; char c; } __Pyx_pad_float;
  typedef struct { double x; char c; } __Pyx_pad_double;
  typedef struct { long double x; char c; } __Pyx_pad_longdouble;
  typedef struct { void *x; char c; } __Pyx_pad_void_p;
  #ifdef HAVE_LONG_LONG
  typedef struct { PY_LONG_LONG x; char c; } __Pyx_pad_longlong;
  #endif
  static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, CYTHON_UNUSED int is_complex) {
    switch (ch) {
      case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
      case 'h': case 'H': return sizeof(__Pyx_pad_short) - sizeof(short);
      case 'i': case 'I': return sizeof(__Pyx_pad_int) - sizeof(int);
      case 'l': case 'L': return sizeof(__Pyx_pad_long) - sizeof(long);
  #ifdef HAVE_LONG_LONG
      case 'q': case 'Q': return sizeof(__Pyx_pad_longlong) - sizeof(PY_LONG_LONG);
  #endif
      case 'f': return sizeof(__Pyx_pad_float) - sizeof(float);
      case 'd': return sizeof(__Pyx_pad_double) - sizeof(double);
      case 'g': return sizeof(__Pyx_pad_longdouble) - sizeof(long double);
      case 'P': case 'O': return sizeof(__Pyx_pad_void_p) - sizeof(void*);
      default:
        __Pyx_BufFmt_RaiseUnexpectedChar(ch);
        return 0;
      }
  }
  static char __Pyx_BufFmt_TypeCharToGroup(char ch, int is_complex) {
    switch (ch) {
      case 'c':
          return 'H';
      case 'b': case 'h': case 'i':
      case 'l': case 'q': case 's': case 'p':
          return 'I';
      case 'B': case 'H': case 'I': case 'L': case 'Q':
          return 'U';
      case 'f': case 'd': case 'g':
          return (is_complex ? 'C' : 'R');
      case 'O':
          return 'O';
      case 'P':
          return 'P';
      default: {
        __Pyx_BufFmt_RaiseUnexpectedChar(ch);
        return 0;
      }
    }
  }
  static void __Pyx_BufFmt_RaiseExpected(__Pyx_BufFmt_Context* ctx) {
    if (ctx->head == NULL || ctx->head->field == &ctx->root) {
      const char* expected;
      const char* quote;
      if (ctx->head == NULL) {
        expected = "end";
        quote = "";
      } else {
        expected = ctx->head->field->type->name;
        quote = "'";
      }
      PyErr_Format(PyExc_ValueError,
                   "Buffer dtype mismatch, expected %s%s%s but got %s",
                   quote, expected, quote,
                   __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex));
    } else {
      __Pyx_StructField* field = ctx->head->field;
      __Pyx_StructField* parent = (ctx->head - 1)->field;
      PyErr_Format(PyExc_ValueError,
                   "Buffer dtype mismatch, expected '%s' but got %s in '%s.%s'",
                   field->type->name, __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex),
                   parent->type->name, field->name);
    }
  }
  static int __Pyx_BufFmt_ProcessTypeChunk(__Pyx_BufFmt_Context* ctx) {
    char group;
    size_t size, offset, arraysize = 1;
    if (ctx->enc_type == 0) return 0;
    if (ctx->head->field->type->arraysize[0]) {
      int i, ndim = 0;
      if (ctx->enc_type == 's' || ctx->enc_type == 'p') {
          ctx->is_valid_array = ctx->head->field->type->ndim == 1;
          ndim = 1;
          if (ctx->enc_count != ctx->head->field->type->arraysize[0]) {
              PyErr_Format(PyExc_ValueError,
                           "Expected a dimension of size %zu, got %zu",
                           ctx->head->field->type->arraysize[0], ctx->enc_count);
              return -1;
          }
      }
      if (!ctx->is_valid_array) {
        PyErr_Format(PyExc_ValueError, "Expected %d dimensions, got %d",
                     ctx->head->field->type->ndim, ndim);
        return -1;
      }
      for (i = 0; i < ctx->head->field->type->ndim; i++) {
        arraysize *= ctx->head->field->type->arraysize[i];
      }
      ctx->is_valid_array = 0;
      ctx->enc_count = 1;
    }
    group = __Pyx_BufFmt_TypeCharToGroup(ctx->enc_type, ctx->is_complex);
    do {
      __Pyx_StructField* field = ctx->head->field;
      __Pyx_TypeInfo* type = field->type;
      if (ctx->enc_packmode == '@' || ctx->enc_packmode == '^') {
        size = __Pyx_BufFmt_TypeCharToNativeSize(ctx->enc_type, ctx->is_complex);
      } else {
        size = __Pyx_BufFmt_TypeCharToStandardSize(ctx->enc_type, ctx->is_complex);
      }
      if (ctx->enc_packmode == '@') {
        size_t align_at = __Pyx_BufFmt_TypeCharToAlignment(ctx->enc_type, ctx->is_complex);
        size_t align_mod_offset;
        if (align_at == 0) return -1;
        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)
            ctx->struct_alignment = __Pyx_BufFmt_TypeCharToPadding(ctx->enc_type,
                                                                   ctx->is_complex);
      }
      if (type->size != size || type->typegroup != group) {
        if (type->typegroup == 'C' && type->fields != NULL) {
          size_t parent_offset = ctx->head->parent_offset + field->offset;
          ++ctx->head;
          ctx->head->field = type->fields;
          ctx->head->parent_offset = parent_offset;
          continue;
        }
        if ((type->typegroup == 'H' || group == 'H') && type->size == size) {
        } else {
            __Pyx_BufFmt_RaiseExpected(ctx);
            return -1;
        }
      }
      offset = ctx->head->parent_offset + field->offset;
      if (ctx->fmt_offset != offset) {
        PyErr_Format(PyExc_ValueError,
                     "Buffer dtype mismatch; next field is at offset %" CYTHON_FORMAT_SSIZE_T "d but %" CYTHON_FORMAT_SSIZE_T "d expected",
                     (Py_ssize_t)ctx->fmt_offset, (Py_ssize_t)offset);
        return -1;
      }
      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);
  }
  
  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;
      }
  }
  
  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;
  }
  
  #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
  
  static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
  #if CYTHON_COMPILING_IN_CPYTHON
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      PyThreadState *tstate = PyThreadState_GET();
      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);
  #else
      PyErr_Restore(type, value, tb);
  #endif
  }
  static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
  #if CYTHON_COMPILING_IN_CPYTHON
      PyThreadState *tstate = PyThreadState_GET();
      *type = tstate->curexc_type;
      *value = tstate->curexc_value;
      *tb = tstate->curexc_traceback;
      tstate->curexc_type = 0;
      tstate->curexc_value = 0;
      tstate->curexc_traceback = 0;
  #else
      PyErr_Fetch(type, value, tb);
  #endif
  }
  
  #if PY_MAJOR_VERSION < 3
  static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
                          CYTHON_UNUSED PyObject *cause) {
      Py_XINCREF(type);
      if (!value || value == Py_None)
          value = NULL;
      else
          Py_INCREF(value);
      if (!tb || tb == Py_None)
          tb = NULL;
      else {
          Py_INCREF(tb);
          if (!PyTraceBack_Check(tb)) {
              PyErr_SetString(PyExc_TypeError,
                  "raise: arg 3 must be a traceback or None");
              goto raise_error;
          }
      }
      if (PyType_Check(type)) {
  #if CYTHON_COMPILING_IN_PYPY
          if (!value) {
              Py_INCREF(Py_None);
              value = Py_None;
          }
  #endif
          PyErr_NormalizeException(&type, &value, &tb);
      } else {
          if (value) {
              PyErr_SetString(PyExc_TypeError,
                  "instance exception may not have a separate value");
              goto raise_error;
          }
          value = type;
          type = (PyObject*) Py_TYPE(type);
          Py_INCREF(type);
          if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
              PyErr_SetString(PyExc_TypeError,
                  "raise: exception class must be a subclass of BaseException");
              goto raise_error;
          }
      }
      __Pyx_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
  
  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
  }
  
  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
  }
  
  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);
  }
  
  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);
      }
  }
  
  static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
      PyErr_Format(PyExc_ValueError,
                   "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
  }
  
  static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
      PyErr_Format(PyExc_ValueError,
                   "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
                   index, (index == 1) ? "" : "s");
  }
  
  static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
      PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
  }
  
  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;
  }
  
  static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
  #if CYTHON_COMPILING_IN_CPYTHON
      PyThreadState *tstate = PyThreadState_GET();
      *type = tstate->exc_type;
      *value = tstate->exc_value;
      *tb = tstate->exc_traceback;
      Py_XINCREF(*type);
      Py_XINCREF(*value);
      Py_XINCREF(*tb);
  #else
      PyErr_GetExcInfo(type, value, tb);
  #endif
  }
  static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
  #if CYTHON_COMPILING_IN_CPYTHON
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      PyThreadState *tstate = PyThreadState_GET();
      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);
  #else
      PyErr_SetExcInfo(type, value, tb);
  #endif
  }
  
  static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
      PyObject *local_type, *local_value, *local_tb;
  #if CYTHON_COMPILING_IN_CPYTHON
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      PyThreadState *tstate = PyThreadState_GET();
      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_COMPILING_IN_CPYTHON
      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_COMPILING_IN_CPYTHON
      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;
  }
  
  static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
      PyObject *tmp_type, *tmp_value, *tmp_tb;
  #if CYTHON_COMPILING_IN_CPYTHON
      PyThreadState *tstate = PyThreadState_GET();
      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;
  #else
      PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
      PyErr_SetExcInfo(*type, *value, *tb);
  #endif
      *type = tmp_type;
      *value = tmp_value;
      *tb = tmp_tb;
  }
  
  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;
  }
  
  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_COMPILING_IN_CPYTHON
      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_COMPILING_IN_CPYTHON
      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_COMPILING_IN_CPYTHON
      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))
                          PyErr_Clear();
                      else
                          return NULL;
                  }
              }
              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));
  }
  
  #if CYTHON_USE_PYLONG_INTERNALS
    #include "longintrepr.h"
  #endif
  
  #if CYTHON_COMPILING_IN_CPYTHON
  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 && PY_MAJOR_VERSION >= 3
      if (likely(PyLong_CheckExact(op1))) {
          const long b = intval;
          long a, x;
          const PY_LONG_LONG llb = intval;
          PY_LONG_LONG lla, llx;
          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;
                      } 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;
                      }
                  case 2:
                      if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                          a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
                      } 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;
                      }
                  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;
                      } 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;
                      }
                  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;
                      } 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;
                      }
                  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;
                      } 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;
                      }
                  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;
                      } 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;
                      }
                  default: return PyLong_Type.tp_as_number->nb_add(op1, op2);
              }
          }
                  x = a + b;
              return PyLong_FromLong(x);
          long_long:
                  llx = lla + llb;
              return PyLong_FromLongLong(llx);
      }
      #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
  
  static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) {
      PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname);
  }
  
  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;
  #ifdef WITH_THREAD
      PyGILState_STATE state;
      if (nogil)
          state = PyGILState_Ensure();
  #endif
      __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
  }
  
  #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
  
  #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) {
  #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);
          }
      }
      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
  
  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;
  }
  
  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);
  }
  
  #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;
      py_frame->f_lineno = 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_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;
      }
      Py_DECREF(obj);
      view->obj = NULL;
  }
  #endif
  
  
        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;
  }
  
  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;
  }
  
  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;
  }
  
  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;
  }
  
  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);
  }
  
  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;
  }
  
  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;
  }
  
  #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;\
      }
  
  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))
              } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
              }
          } 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) 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))
              } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
              }
          }
          {
  #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_Int(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_Int(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;
  }
  
  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);
          } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
              return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
          }
      } else {
          if (sizeof(int) <= sizeof(long)) {
              return PyInt_FromLong((long) value);
          } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
              return PyLong_FromLongLong((PY_LONG_LONG) value);
          }
      }
      {
          int one = 1; int little = (int)*(unsigned char *)&one;
          unsigned char *bytes = (unsigned char *)&value;
          return _PyLong_FromByteArray(bytes, sizeof(int),
                                       little, !is_unsigned);
      }
  }
  
  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);
          } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
              return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
          }
      } else {
          if (sizeof(long) <= sizeof(long)) {
              return PyInt_FromLong((long) value);
          } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
              return PyLong_FromLongLong((PY_LONG_LONG) value);
          }
      }
      {
          int one = 1; int little = (int)*(unsigned char *)&one;
          unsigned char *bytes = (unsigned char *)&value;
          return _PyLong_FromByteArray(bytes, sizeof(long),
                                       little, !is_unsigned);
      }
  }
  
  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))
              } else if (sizeof(char) <= sizeof(unsigned PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(char, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
              }
          } 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) 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))
              } else if (sizeof(char) <= sizeof(PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(char, PY_LONG_LONG, PyLong_AsLongLong(x))
              }
          }
          {
  #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_Int(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_Int(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;
  }
  
  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))
              } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
              }
          } 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) 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))
              } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
              }
          }
          {
  #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_Int(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_Int(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;
  }
  
  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;
  }
  
  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_Int(PyObject* x) {
    PyNumberMethods *m;
    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);
    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
    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 */
  