text: /* Generated by Cython 0.27.3 */
  
  /* BEGIN: Cython Metadata
  {
      "distutils": {
          "name": "cymysql.cursors",
          "sources": [
              "cymysql/cursors.py"
          ]
      },
      "module_name": "cymysql.cursors"
  }
  END: Cython Metadata */
  
  #define PY_SSIZE_T_CLEAN
  #include "Python.h"
  #ifndef Py_PYTHON_H
      #error Python headers needed to compile C extensions, please install development version of Python.
  #elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000)
      #error Cython requires Python 2.6+ or Python 3.3+.
  #else
  #define CYTHON_ABI "0_27_3"
  #define CYTHON_FUTURE_DIVISION 0
  #include <stddef.h>
  #ifndef offsetof
    #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
  #endif
  #if !defined(WIN32) && !defined(MS_WINDOWS)
    #ifndef __stdcall
      #define __stdcall
    #endif
    #ifndef __cdecl
      #define __cdecl
    #endif
    #ifndef __fastcall
      #define __fastcall
    #endif
  #endif
  #ifndef DL_IMPORT
    #define DL_IMPORT(t) t
  #endif
  #ifndef DL_EXPORT
    #define DL_EXPORT(t) t
  #endif
  #define __PYX_COMMA ,
  #ifndef HAVE_LONG_LONG
    #if PY_VERSION_HEX >= 0x02070000
      #define HAVE_LONG_LONG
    #endif
  #endif
  #ifndef PY_LONG_LONG
    #define PY_LONG_LONG LONG_LONG
  #endif
  #ifndef Py_HUGE_VAL
    #define Py_HUGE_VAL HUGE_VAL
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  #ifdef PYPY_VERSION
    #define CYTHON_COMPILING_IN_PYPY 1
    #define CYTHON_COMPILING_IN_PYSTON 0
    #define CYTHON_COMPILING_IN_CPYTHON 0
    #undef CYTHON_USE_TYPE_SLOTS
    #define CYTHON_USE_TYPE_SLOTS 0
    #undef CYTHON_USE_PYTYPE_LOOKUP
    #define CYTHON_USE_PYTYPE_LOOKUP 0
    #if PY_VERSION_HEX < 0x03050000
      #undef CYTHON_USE_ASYNC_SLOTS
      #define CYTHON_USE_ASYNC_SLOTS 0
    #elif !defined(CYTHON_USE_ASYNC_SLOTS)
      #define CYTHON_USE_ASYNC_SLOTS 1
    #endif
    #undef CYTHON_USE_PYLIST_INTERNALS
    #define CYTHON_USE_PYLIST_INTERNALS 0
    #undef CYTHON_USE_UNICODE_INTERNALS
    #define CYTHON_USE_UNICODE_INTERNALS 0
    #undef CYTHON_USE_UNICODE_WRITER
    #define CYTHON_USE_UNICODE_WRITER 0
    #undef CYTHON_USE_PYLONG_INTERNALS
    #define CYTHON_USE_PYLONG_INTERNALS 0
    #undef CYTHON_AVOID_BORROWED_REFS
    #define CYTHON_AVOID_BORROWED_REFS 1
    #undef CYTHON_ASSUME_SAFE_MACROS
    #define CYTHON_ASSUME_SAFE_MACROS 0
    #undef CYTHON_UNPACK_METHODS
    #define CYTHON_UNPACK_METHODS 0
    #undef CYTHON_FAST_THREAD_STATE
    #define CYTHON_FAST_THREAD_STATE 0
    #undef CYTHON_FAST_PYCALL
    #define CYTHON_FAST_PYCALL 0
    #undef CYTHON_PEP489_MULTI_PHASE_INIT
    #define CYTHON_PEP489_MULTI_PHASE_INIT 0
    #undef CYTHON_USE_TP_FINALIZE
    #define CYTHON_USE_TP_FINALIZE 0
  #elif defined(PYSTON_VERSION)
    #define CYTHON_COMPILING_IN_PYPY 0
    #define CYTHON_COMPILING_IN_PYSTON 1
    #define CYTHON_COMPILING_IN_CPYTHON 0
    #ifndef CYTHON_USE_TYPE_SLOTS
      #define CYTHON_USE_TYPE_SLOTS 1
    #endif
    #undef CYTHON_USE_PYTYPE_LOOKUP
    #define CYTHON_USE_PYTYPE_LOOKUP 0
    #undef CYTHON_USE_ASYNC_SLOTS
    #define CYTHON_USE_ASYNC_SLOTS 0
    #undef CYTHON_USE_PYLIST_INTERNALS
    #define CYTHON_USE_PYLIST_INTERNALS 0
    #ifndef CYTHON_USE_UNICODE_INTERNALS
      #define CYTHON_USE_UNICODE_INTERNALS 1
    #endif
    #undef CYTHON_USE_UNICODE_WRITER
    #define CYTHON_USE_UNICODE_WRITER 0
    #undef CYTHON_USE_PYLONG_INTERNALS
    #define CYTHON_USE_PYLONG_INTERNALS 0
    #ifndef CYTHON_AVOID_BORROWED_REFS
      #define CYTHON_AVOID_BORROWED_REFS 0
    #endif
    #ifndef CYTHON_ASSUME_SAFE_MACROS
      #define CYTHON_ASSUME_SAFE_MACROS 1
    #endif
    #ifndef CYTHON_UNPACK_METHODS
      #define CYTHON_UNPACK_METHODS 1
    #endif
    #undef CYTHON_FAST_THREAD_STATE
    #define CYTHON_FAST_THREAD_STATE 0
    #undef CYTHON_FAST_PYCALL
    #define CYTHON_FAST_PYCALL 0
    #undef CYTHON_PEP489_MULTI_PHASE_INIT
    #define CYTHON_PEP489_MULTI_PHASE_INIT 0
    #undef CYTHON_USE_TP_FINALIZE
    #define CYTHON_USE_TP_FINALIZE 0
  #else
    #define CYTHON_COMPILING_IN_PYPY 0
    #define CYTHON_COMPILING_IN_PYSTON 0
    #define CYTHON_COMPILING_IN_CPYTHON 1
    #ifndef CYTHON_USE_TYPE_SLOTS
      #define CYTHON_USE_TYPE_SLOTS 1
    #endif
    #if PY_VERSION_HEX < 0x02070000
      #undef CYTHON_USE_PYTYPE_LOOKUP
      #define CYTHON_USE_PYTYPE_LOOKUP 0
    #elif !defined(CYTHON_USE_PYTYPE_LOOKUP)
      #define CYTHON_USE_PYTYPE_LOOKUP 1
    #endif
    #if PY_MAJOR_VERSION < 3
      #undef CYTHON_USE_ASYNC_SLOTS
      #define CYTHON_USE_ASYNC_SLOTS 0
    #elif !defined(CYTHON_USE_ASYNC_SLOTS)
      #define CYTHON_USE_ASYNC_SLOTS 1
    #endif
    #if PY_VERSION_HEX < 0x02070000
      #undef CYTHON_USE_PYLONG_INTERNALS
      #define CYTHON_USE_PYLONG_INTERNALS 0
    #elif !defined(CYTHON_USE_PYLONG_INTERNALS)
      #define CYTHON_USE_PYLONG_INTERNALS 1
    #endif
    #ifndef CYTHON_USE_PYLIST_INTERNALS
      #define CYTHON_USE_PYLIST_INTERNALS 1
    #endif
    #ifndef CYTHON_USE_UNICODE_INTERNALS
      #define CYTHON_USE_UNICODE_INTERNALS 1
    #endif
    #if PY_VERSION_HEX < 0x030300F0
      #undef CYTHON_USE_UNICODE_WRITER
      #define CYTHON_USE_UNICODE_WRITER 0
    #elif !defined(CYTHON_USE_UNICODE_WRITER)
      #define CYTHON_USE_UNICODE_WRITER 1
    #endif
    #ifndef CYTHON_AVOID_BORROWED_REFS
      #define CYTHON_AVOID_BORROWED_REFS 0
    #endif
    #ifndef CYTHON_ASSUME_SAFE_MACROS
      #define CYTHON_ASSUME_SAFE_MACROS 1
    #endif
    #ifndef CYTHON_UNPACK_METHODS
      #define CYTHON_UNPACK_METHODS 1
    #endif
    #ifndef CYTHON_FAST_THREAD_STATE
      #define CYTHON_FAST_THREAD_STATE 1
    #endif
    #ifndef CYTHON_FAST_PYCALL
      #define CYTHON_FAST_PYCALL 1
    #endif
    #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
      #define CYTHON_PEP489_MULTI_PHASE_INIT (0 && PY_VERSION_HEX >= 0x03050000)
    #endif
    #ifndef CYTHON_USE_TP_FINALIZE
      #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1)
    #endif
  #endif
  #if !defined(CYTHON_FAST_PYCCALL)
  #define CYTHON_FAST_PYCCALL  (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1)
  #endif
  #if CYTHON_USE_PYLONG_INTERNALS
    #include "longintrepr.h"
    #undef SHIFT
    #undef BASE
    #undef MASK
  #endif
  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
    #define Py_OptimizeFlag 0
  #endif
  #define __PYX_BUILD_PY_SSIZE_T "n"
  #define CYTHON_FORMAT_SSIZE_T "z"
  #if PY_MAJOR_VERSION < 3
    #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
    #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
            PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
    #define __Pyx_DefaultClassType PyClass_Type
  #else
    #define __Pyx_BUILTIN_MODULE_NAME "builtins"
    #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
            PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
    #define __Pyx_DefaultClassType PyType_Type
  #endif
  #ifndef Py_TPFLAGS_CHECKTYPES
    #define Py_TPFLAGS_CHECKTYPES 0
  #endif
  #ifndef Py_TPFLAGS_HAVE_INDEX
    #define Py_TPFLAGS_HAVE_INDEX 0
  #endif
  #ifndef Py_TPFLAGS_HAVE_NEWBUFFER
    #define Py_TPFLAGS_HAVE_NEWBUFFER 0
  #endif
  #ifndef Py_TPFLAGS_HAVE_FINALIZE
    #define Py_TPFLAGS_HAVE_FINALIZE 0
  #endif
  #if PY_VERSION_HEX < 0x030700A0 || !defined(METH_FASTCALL)
    #ifndef METH_FASTCALL
       #define METH_FASTCALL 0x80
    #endif
    typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject **args, Py_ssize_t nargs);
    typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject **args,
                                                            Py_ssize_t nargs, PyObject *kwnames);
  #else
    #define __Pyx_PyCFunctionFast _PyCFunctionFast
    #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords
  #endif
  #if CYTHON_FAST_PYCCALL
  #define __Pyx_PyFastCFunction_Check(func)\
      ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS)))))
  #else
  #define __Pyx_PyFastCFunction_Check(func) 0
  #endif
  #if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000
    #define __Pyx_PyThreadState_Current PyThreadState_GET()
  #elif PY_VERSION_HEX >= 0x03060000
    #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet()
  #elif PY_VERSION_HEX >= 0x03000000
    #define __Pyx_PyThreadState_Current PyThreadState_GET()
  #else
    #define __Pyx_PyThreadState_Current _PyThreadState_Current
  #endif
  #if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized)
  #define __Pyx_PyDict_NewPresized(n)  ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n))
  #else
  #define __Pyx_PyDict_NewPresized(n)  PyDict_New()
  #endif
  #if PY_MAJOR_VERSION >= 3 || CYTHON_FUTURE_DIVISION
    #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
  #if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
    #define CYTHON_PEP393_ENABLED 1
    #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
                                                0 : _PyUnicode_Ready((PyObject *)(op)))
    #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
    #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
    #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
    #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
    #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
    #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
    #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, ch)
    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
  #else
    #define CYTHON_PEP393_ENABLED 0
    #define PyUnicode_1BYTE_KIND  1
    #define PyUnicode_2BYTE_KIND  2
    #define PyUnicode_4BYTE_KIND  4
    #define __Pyx_PyUnicode_READY(op)       (0)
    #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
    #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
    #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111)
    #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
    #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
    #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
    #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = ch)
    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_SIZE(u))
  #endif
  #if CYTHON_COMPILING_IN_PYPY
    #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
    #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
  #else
    #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
    #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\
        PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
  #endif
  #if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains)
    #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
  #endif
  #if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check)
    #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
  #endif
  #if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format)
    #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
  #endif
  #if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc)
    #define PyObject_Malloc(s)   PyMem_Malloc(s)
    #define PyObject_Free(p)     PyMem_Free(p)
    #define PyObject_Realloc(p)  PyMem_Realloc(p)
  #endif
  #if CYTHON_COMPILING_IN_PYSTON
    #define __Pyx_PyCode_HasFreeVars(co)  PyCode_HasFreeVars(co)
    #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno)
  #else
    #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
    #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
  #endif
  #define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
  #define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
  #if PY_MAJOR_VERSION >= 3
    #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
  #else
    #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
  #endif
  #if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII)
    #define PyObject_ASCII(o)            PyObject_Repr(o)
  #endif
  #if PY_MAJOR_VERSION >= 3
    #define PyBaseString_Type            PyUnicode_Type
    #define PyStringObject               PyUnicodeObject
    #define PyString_Type                PyUnicode_Type
    #define PyString_Check               PyUnicode_Check
    #define PyString_CheckExact          PyUnicode_CheckExact
  #endif
  #if PY_MAJOR_VERSION >= 3
    #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
    #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
  #else
    #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
    #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
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  #ifndef PySet_CheckExact
    #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
  #endif
  #define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)
  #if PY_MAJOR_VERSION >= 3
    #define PyIntObject                  PyLongObject
    #define PyInt_Type                   PyLong_Type
    #define PyInt_Check(op)              PyLong_Check(op)
    #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
    #define PyInt_FromString             PyLong_FromString
    #define PyInt_FromUnicode            PyLong_FromUnicode
    #define PyInt_FromLong               PyLong_FromLong
    #define PyInt_FromSize_t             PyLong_FromSize_t
    #define PyInt_FromSsize_t            PyLong_FromSsize_t
    #define PyInt_AsLong                 PyLong_AsLong
    #define PyInt_AS_LONG                PyLong_AS_LONG
    #define PyInt_AsSsize_t              PyLong_AsSsize_t
    #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
    #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
    #define PyNumber_Int                 PyNumber_Long
  #endif
  #if PY_MAJOR_VERSION >= 3
    #define PyBoolObject                 PyLongObject
  #endif
  #if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY
    #ifndef PyUnicode_InternFromString
      #define PyUnicode_InternFromString(s) PyUnicode_FromString(s)
    #endif
  #endif
  #if PY_VERSION_HEX < 0x030200A4
    typedef long Py_hash_t;
    #define __Pyx_PyInt_FromHash_t PyInt_FromLong
    #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
  #else
    #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
    #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
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  #if PY_MAJOR_VERSION >= 3
    #define __Pyx_PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
  #else
    #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
  #endif
  #ifndef __has_attribute
    #define __has_attribute(x) 0
  #endif
  #ifndef __has_cpp_attribute
    #define __has_cpp_attribute(x) 0
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  #if CYTHON_USE_ASYNC_SLOTS
    #if PY_VERSION_HEX >= 0x030500B1
      #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
      #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async)
    #else
      #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved))
    #endif
  #else
    #define __Pyx_PyType_AsAsync(obj) NULL
  #endif
  #ifndef __Pyx_PyAsyncMethodsStruct
      typedef struct {
          unaryfunc am_await;
          unaryfunc am_aiter;
          unaryfunc am_anext;
      } __Pyx_PyAsyncMethodsStruct;
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    #if defined(__GNUC__)
      #define CYTHON_RESTRICT __restrict__
    #elif defined(_MSC_VER) && _MSC_VER >= 1400
      #define CYTHON_RESTRICT __restrict
    #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
      #define CYTHON_RESTRICT restrict
    #else
      #define CYTHON_RESTRICT
    #endif
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  #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__))
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  #   define CYTHON_UNUSED
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  #ifndef CYTHON_MAYBE_UNUSED_VAR
  #  if defined(__cplusplus)
       template<class T> void CYTHON_MAYBE_UNUSED_VAR( const T& ) { }
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  #    define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x)
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  # if CYTHON_COMPILING_IN_CPYTHON
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          #if _MSC_VER < 1300
             typedef unsigned char     uint8_t;
             typedef unsigned int      uint32_t;
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             typedef unsigned __int8   uint8_t;
             typedef unsigned __int32  uint32_t;
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      #if __has_cpp_attribute(fallthrough)
        #define CYTHON_FALLTHROUGH [[fallthrough]]
      #elif __has_cpp_attribute(clang::fallthrough)
        #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
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        #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
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        #define CYTHON_FALLTHROUGH
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    #if defined(__clang__ ) && defined(__apple_build_version__)
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        #undef  CYTHON_FALLTHROUGH
        #define CYTHON_FALLTHROUGH
      #endif
    #endif
  #endif
  
  #ifndef CYTHON_INLINE
    #if defined(__clang__)
      #define CYTHON_INLINE __inline__ __attribute__ ((__unused__))
    #elif 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
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  #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;
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      #define __PYX_EXTERN_C extern
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  #if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS)
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  #define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
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      #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
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  #else
  #define __Pyx_PyErr_Clear() PyErr_Clear()
  #define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
  #define __Pyx_ErrRestoreWithState(type, value, tb)  PyErr_Restore(type, value, tb)
  #define __Pyx_ErrFetchWithState(type, value, tb)  PyErr_Fetch(type, value, tb)
  #define __Pyx_ErrRestoreInState(tstate, type, value, tb)  PyErr_Restore(type, value, tb)
  #define __Pyx_ErrFetchInState(tstate, type, value, tb)  PyErr_Fetch(type, value, tb)
  #define __Pyx_ErrRestore(type, value, tb)  PyErr_Restore(type, value, tb)
  #define __Pyx_ErrFetch(type, value, tb)  PyErr_Fetch(type, value, tb)
  #endif
  
  /* RaiseException.proto */
  static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
  
  /* SaveResetException.proto */
  #if CYTHON_FAST_THREAD_STATE
  #define __Pyx_ExceptionSave(type, value, tb)  __Pyx__ExceptionSave(__pyx_tstate, type, value, tb)
  static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
  #define __Pyx_ExceptionReset(type, value, tb)  __Pyx__ExceptionReset(__pyx_tstate, type, value, tb)
  static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
  #else
  #define __Pyx_ExceptionSave(type, value, tb)   PyErr_GetExcInfo(type, value, tb)
  #define __Pyx_ExceptionReset(type, value, tb)  PyErr_SetExcInfo(type, value, tb)
  #endif
  
  /* GetModuleGlobalName.proto */
  static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name);
  
  /* SliceObject.proto */
  #define __Pyx_PyObject_DelSlice(obj, cstart, cstop, py_start, py_stop, py_slice, has_cstart, has_cstop, wraparound)\
      __Pyx_PyObject_SetSlice(obj, (PyObject*)NULL, cstart, cstop, py_start, py_stop, py_slice, has_cstart, has_cstop, wraparound)
  static CYTHON_INLINE int __Pyx_PyObject_SetSlice(
          PyObject* obj, PyObject* value, Py_ssize_t cstart, Py_ssize_t cstop,
          PyObject** py_start, PyObject** py_stop, PyObject** py_slice,
          int has_cstart, int has_cstop, int wraparound);
  
  /* None.proto */
  static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname);
  
  /* RaiseTooManyValuesToUnpack.proto */
  static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
  
  /* RaiseNeedMoreValuesToUnpack.proto */
  static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
  
  /* IterFinish.proto */
  static CYTHON_INLINE int __Pyx_IterFinish(void);
  
  /* UnpackItemEndCheck.proto */
  static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected);
  
  /* Import.proto */
  static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);
  
  /* ImportFrom.proto */
  static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name);
  
  /* GetAttr.proto */
  static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *);
  
  /* HasAttr.proto */
  static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *);
  
  /* GetException.proto */
  #if CYTHON_FAST_THREAD_STATE
  #define __Pyx_GetException(type, value, tb)  __Pyx__GetException(__pyx_tstate, type, value, tb)
  static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
  #else
  static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb);
  #endif
  
  /* ListAppend.proto */
  #if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
  static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
      PyListObject* L = (PyListObject*) list;
      Py_ssize_t len = Py_SIZE(list);
      if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) {
          Py_INCREF(x);
          PyList_SET_ITEM(list, len, x);
          Py_SIZE(list) = len+1;
          return 0;
      }
      return PyList_Append(list, x);
  }
  #else
  #define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
  #endif
  
  /* PyObjectCallMethod1.proto */
  static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg);
  static PyObject* __Pyx__PyObject_CallMethod1(PyObject* method, PyObject* arg);
  
  /* append.proto */
  static CYTHON_INLINE int __Pyx_PyObject_Append(PyObject* L, PyObject* x);
  
  /* PyIntBinop.proto */
  #if !CYTHON_COMPILING_IN_PYPY
  static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, long intval, int inplace);
  #else
  #define __Pyx_PyInt_AddObjC(op1, op2, intval, inplace)\
      (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2))
  #endif
  
  /* StringJoin.proto */
  #if PY_MAJOR_VERSION < 3
  #define __Pyx_PyString_Join __Pyx_PyBytes_Join
  #define __Pyx_PyBaseString_Join(s, v) (PyUnicode_CheckExact(s) ? PyUnicode_Join(s, v) : __Pyx_PyBytes_Join(s, v))
  #else
  #define __Pyx_PyString_Join PyUnicode_Join
  #define __Pyx_PyBaseString_Join PyUnicode_Join
  #endif
  #if CYTHON_COMPILING_IN_CPYTHON
      #if PY_MAJOR_VERSION < 3
      #define __Pyx_PyBytes_Join _PyString_Join
      #else
      #define __Pyx_PyBytes_Join _PyBytes_Join
      #endif
  #else
  static CYTHON_INLINE PyObject* __Pyx_PyBytes_Join(PyObject* sep, PyObject* values);
  #endif
  
  /* ListCompAppend.proto */
  #if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
  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
  
  /* GetItemInt.proto */
  #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 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);
  
  /* IncludeStringH.proto */
  #include <string.h>
  
  /* CalculateMetaclass.proto */
  static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases);
  
  /* FetchCommonType.proto */
  static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type);
  
  /* CythonFunction.proto */
  #define __Pyx_CyFunction_USED 1
  #include <structmember.h>
  #define __Pyx_CYFUNCTION_STATICMETHOD  0x01
  #define __Pyx_CYFUNCTION_CLASSMETHOD   0x02
  #define __Pyx_CYFUNCTION_CCLASS        0x04
  #define __Pyx_CyFunction_GetClosure(f)\
      (((__pyx_CyFunctionObject *) (f))->func_closure)
  #define __Pyx_CyFunction_GetClassObj(f)\
      (((__pyx_CyFunctionObject *) (f))->func_classobj)
  #define __Pyx_CyFunction_Defaults(type, f)\
      ((type *)(((__pyx_CyFunctionObject *) (f))->defaults))
  #define __Pyx_CyFunction_SetDefaultsGetter(f, g)\
      ((__pyx_CyFunctionObject *) (f))->defaults_getter = (g)
  typedef struct {
      PyCFunctionObject func;
  #if PY_VERSION_HEX < 0x030500A0
      PyObject *func_weakreflist;
  #endif
      PyObject *func_dict;
      PyObject *func_name;
      PyObject *func_qualname;
      PyObject *func_doc;
      PyObject *func_globals;
      PyObject *func_code;
      PyObject *func_closure;
      PyObject *func_classobj;
      void *defaults;
      int defaults_pyobjects;
      int flags;
      PyObject *defaults_tuple;
      PyObject *defaults_kwdict;
      PyObject *(*defaults_getter)(PyObject *);
      PyObject *func_annotations;
  } __pyx_CyFunctionObject;
  static PyTypeObject *__pyx_CyFunctionType = 0;
  #define __Pyx_CyFunction_NewEx(ml, flags, qualname, self, module, globals, code)\
      __Pyx_CyFunction_New(__pyx_CyFunctionType, ml, flags, qualname, self, module, globals, code)
  static PyObject *__Pyx_CyFunction_New(PyTypeObject *, PyMethodDef *ml,
                                        int flags, PyObject* qualname,
                                        PyObject *self,
                                        PyObject *module, PyObject *globals,
                                        PyObject* code);
  static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *m,
                                                           size_t size,
                                                           int pyobjects);
  static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *m,
                                                              PyObject *tuple);
  static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *m,
                                                               PyObject *dict);
  static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *m,
                                                                PyObject *dict);
  static int __pyx_CyFunction_init(void);
  
  /* Py3ClassCreate.proto */
  static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name, PyObject *qualname,
                                             PyObject *mkw, PyObject *modname, PyObject *doc);
  static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases, PyObject *dict,
                                        PyObject *mkw, int calculate_metaclass, int allow_py2_metaclass);
  
  /* CLineInTraceback.proto */
  #ifdef CYTHON_CLINE_IN_TRACEBACK
  #define __Pyx_CLineForTraceback(tstate, c_line)  (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0)
  #else
  static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line);
  #endif
  
  /* CodeObjectCache.proto */
  typedef struct {
      PyCodeObject* code_object;
      int code_line;
  } __Pyx_CodeObjectCacheEntry;
  struct __Pyx_CodeObjectCache {
      int count;
      int max_count;
      __Pyx_CodeObjectCacheEntry* entries;
  };
  static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
  static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
  static PyCodeObject *__pyx_find_code_object(int code_line);
  static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
  
  /* AddTraceback.proto */
  static void __Pyx_AddTraceback(const char *funcname, int c_line,
                                 int py_line, const char *filename);
  
  /* CIntToPy.proto */
  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
  
  /* CIntFromPy.proto */
  static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
  
  /* CIntFromPy.proto */
  static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
  
  /* FastTypeChecks.proto */
  #if CYTHON_COMPILING_IN_CPYTHON
  #define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type)
  static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b);
  static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type);
  static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2);
  #else
  #define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
  #define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type)
  #define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2))
  #endif
  
  /* SwapException.proto */
  #if CYTHON_FAST_THREAD_STATE
  #define __Pyx_ExceptionSwap(type, value, tb)  __Pyx__ExceptionSwap(__pyx_tstate, type, value, tb)
  static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
  #else
  static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb);
  #endif
  
  /* CoroutineBase.proto */
  typedef PyObject *(*__pyx_coroutine_body_t)(PyObject *, PyThreadState *, PyObject *);
  typedef struct {
      PyObject_HEAD
      __pyx_coroutine_body_t body;
      PyObject *closure;
      PyObject *exc_type;
      PyObject *exc_value;
      PyObject *exc_traceback;
      PyObject *gi_weakreflist;
      PyObject *classobj;
      PyObject *yieldfrom;
      PyObject *gi_name;
      PyObject *gi_qualname;
      PyObject *gi_modulename;
      int resume_label;
      char is_running;
  } __pyx_CoroutineObject;
  static __pyx_CoroutineObject *__Pyx__Coroutine_New(
      PyTypeObject *type, __pyx_coroutine_body_t body, PyObject *closure,
      PyObject *name, PyObject *qualname, PyObject *module_name);
  static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit(
              __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *closure,
              PyObject *name, PyObject *qualname, PyObject *module_name);
  static int __Pyx_Coroutine_clear(PyObject *self);
  static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value);
  static PyObject *__Pyx_Coroutine_Close(PyObject *self);
  static PyObject *__Pyx_Coroutine_Throw(PyObject *gen, PyObject *args);
  #define __Pyx_Coroutine_SwapException(self) {\
      __Pyx_ExceptionSwap(&(self)->exc_type, &(self)->exc_value, &(self)->exc_traceback);\
      __Pyx_Coroutine_ResetFrameBackpointer(self);\
      }
  #define __Pyx_Coroutine_ResetAndClearException(self) {\
      __Pyx_ExceptionReset((self)->exc_type, (self)->exc_value, (self)->exc_traceback);\
      (self)->exc_type = (self)->exc_value = (self)->exc_traceback = NULL;\
      }
  #if CYTHON_FAST_THREAD_STATE
  #define __Pyx_PyGen_FetchStopIterationValue(pvalue)\
      __Pyx_PyGen__FetchStopIterationValue(__pyx_tstate, pvalue)
  #else
  #define __Pyx_PyGen_FetchStopIterationValue(pvalue)\
      __Pyx_PyGen__FetchStopIterationValue(__Pyx_PyThreadState_Current, pvalue)
  #endif
  static int __Pyx_PyGen__FetchStopIterationValue(PyThreadState *tstate, PyObject **pvalue);
  static CYTHON_INLINE void __Pyx_Coroutine_ResetFrameBackpointer(__pyx_CoroutineObject *self);
  
  /* PatchModuleWithCoroutine.proto */
  static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code);
  
  /* PatchGeneratorABC.proto */
  static int __Pyx_patch_abc(void);
  
  /* Generator.proto */
  #define __Pyx_Generator_USED
  static PyTypeObject *__pyx_GeneratorType = 0;
  #define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType)
  #define __Pyx_Generator_New(body, closure, name, qualname, module_name)\
      __Pyx__Coroutine_New(__pyx_GeneratorType, body, closure, name, qualname, module_name)
  static PyObject *__Pyx_Generator_Next(PyObject *self);
  static int __pyx_Generator_init(void);
  
  /* CheckBinaryVersion.proto */
  static int __Pyx_check_binary_version(void);
  
  /* InitStrings.proto */
  static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);
  
  
  /* Module declarations from 'cymysql.cursors' */
  static PyTypeObject *__pyx_ptype_7cymysql_7cursors___pyx_scope_struct__execute = 0;
  static PyTypeObject *__pyx_ptype_7cymysql_7cursors___pyx_scope_struct_1_genexpr = 0;
  static PyTypeObject *__pyx_ptype_7cymysql_7cursors___pyx_scope_struct_2_genexpr = 0;
  #define __Pyx_MODULE_NAME "cymysql.cursors"
  extern int __pyx_module_is_main_cymysql__cursors;
  int __pyx_module_is_main_cymysql__cursors = 0;
  
  /* Implementation of 'cymysql.cursors' */
  static PyObject *__pyx_builtin_object;
  static PyObject *__pyx_builtin_property;
  static PyObject *__pyx_builtin_enumerate;
  static PyObject *__pyx_builtin_range;
  static PyObject *__pyx_builtin_super;
  static PyObject *__pyx_builtin_zip;
  static const char __pyx_k_i[] = "i";
  static const char __pyx_k_q[] = "q";
  static const char __pyx_k_r[] = "r";
  static const char __pyx_k__6[] = ",";
  static const char __pyx_k_tb[] = "tb";
  static const char __pyx_k_arg[] = "arg";
  static const char __pyx_k_del[] = "__del__";
  static const char __pyx_k_doc[] = "__doc__";
  static const char __pyx_k_exc[] = "exc";
  static const char __pyx_k_ref[] = "ref";
  static const char __pyx_k_sys[] = "sys";
  static const char __pyx_k_zip[] = "zip";
  static const char __pyx_k_args[] = "args";
  static const char __pyx_k_conn[] = "conn";
  static const char __pyx_k_init[] = "__init__";
  static const char __pyx_k_iter[] = "__iter__";
  static const char __pyx_k_join[] = "join";
  static const char __pyx_k_main[] = "__main__";
  static const char __pyx_k_s__d[] = "@_%s_%d";
  static const char __pyx_k_self[] = "self";
  static const char __pyx_k_send[] = "send";
  static const char __pyx_k_size[] = "size";
  static const char __pyx_k_test[] = "__test__";
  static const char __pyx_k_Error[] = "Error";
  static const char __pyx_k_close[] = "close";
  static const char __pyx_k_field[] = "field";
  static const char __pyx_k_flush[] = "_flush";
  static const char __pyx_k_index[] = "index";
  static const char __pyx_k_items[] = "items";
  static const char __pyx_k_query[] = "query";
  static const char __pyx_k_range[] = "range";
  static const char __pyx_k_super[] = "super";
  static const char __pyx_k_throw[] = "throw";
  static const char __pyx_k_value[] = "value";
  static const char __pyx_k_Cursor[] = "Cursor";
  static const char __pyx_k_append[] = "append";
  static const char __pyx_k_decode[] = "decode";
  static const char __pyx_k_encode[] = "encode";
  static const char __pyx_k_escape[] = "escape";
  static const char __pyx_k_fields[] = "_fields";
  static const char __pyx_k_get_db[] = "_get_db";
  static const char __pyx_k_import[] = "__import__";
  static const char __pyx_k_module[] = "__module__";
  static const char __pyx_k_object[] = "object";
  static const char __pyx_k_params[] = "params";
  static const char __pyx_k_result[] = "_result";
  static const char __pyx_k_struct[] = "struct";
  static const char __pyx_k_PYTHON3[] = "PYTHON3";
  static const char __pyx_k_Warning[] = "Warning";
  static const char __pyx_k_charset[] = "charset";
  static const char __pyx_k_execute[] = "execute";
  static const char __pyx_k_genexpr[] = "genexpr";
  static const char __pyx_k_nextset[] = "nextset";
  static const char __pyx_k_prepare[] = "__prepare__";
  static const char __pyx_k_query_2[] = "_query";
  static const char __pyx_k_weakref[] = "weakref";
  static const char __pyx_k_CALL_s_s[] = "CALL %s(%s)";
  static const char __pyx_k_callproc[] = "callproc";
  static const char __pyx_k_exc_info[] = "exc_info";
  static const char __pyx_k_executed[] = "_executed";
  static const char __pyx_k_fetchall[] = "fetchall";
  static const char __pyx_k_fetchone[] = "fetchone";
  static const char __pyx_k_has_next[] = "has_next";
  static const char __pyx_k_messages[] = "messages";
  static const char __pyx_k_procname[] = "procname";
  static const char __pyx_k_property[] = "property";
  static const char __pyx_k_qualname[] = "__qualname__";
  static const char __pyx_k_result_2[] = "result";
  static const char __pyx_k_rowcount[] = "rowcount";
  static const char __pyx_k_DataError[] = "DataError";
  static const char __pyx_k_arraysize[] = "arraysize";
  static const char __pyx_k_enumerate[] = "enumerate";
  static const char __pyx_k_fetchmany[] = "fetchmany";
  static const char __pyx_k_insert_id[] = "insert_id";
  static const char __pyx_k_lastrowid[] = "lastrowid";
  static const char __pyx_k_metaclass[] = "__metaclass__";
  static const char __pyx_k_DictCursor[] = "DictCursor";
  static const char __pyx_k_connection[] = "connection";
  static const char __pyx_k_errorclass[] = "errorclass";
  static const char __pyx_k_errorvalue[] = "errorvalue";
  static const char __pyx_k_cymysql_err[] = "cymysql.err";
  static const char __pyx_k_description[] = "description";
  static const char __pyx_k_executemany[] = "executemany";
  static const char __pyx_k_next_result[] = "next_result";
  static const char __pyx_k_Cursor___del[] = "Cursor.__del__";
  static const char __pyx_k_Cursor_close[] = "Cursor.close";
  static const char __pyx_k_SET___s__d_s[] = "SET @_%s_%d=%s";
  static const char __pyx_k_errorhandler[] = "errorhandler";
  static const char __pyx_k_escaped_args[] = "escaped_args";
  static const char __pyx_k_version_info[] = "version_info";
  static const char __pyx_k_Cursor___init[] = "Cursor.__init__";
  static const char __pyx_k_Cursor___iter[] = "Cursor.__iter__";
  static const char __pyx_k_Cursor__flush[] = "Cursor._flush";
  static const char __pyx_k_Cursor__query[] = "Cursor._query";
  static const char __pyx_k_DatabaseError[] = "DatabaseError";
  static const char __pyx_k_InternalError[] = "InternalError";
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  static const char __pyx_k_setinputsizes[] = "setinputsizes";
  static const char __pyx_k_Cursor__get_db[] = "Cursor._get_db";
  static const char __pyx_k_Cursor_execute[] = "Cursor.execute";
  static const char __pyx_k_Cursor_nextset[] = "Cursor.nextset";
  static const char __pyx_k_IntegrityError[] = "IntegrityError";
  static const char __pyx_k_InterfaceError[] = "InterfaceError";
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  static const char __pyx_k_setoutputsizes[] = "setoutputsizes";
  static const char __pyx_k_Cursor_callproc[] = "Cursor.callproc";
  static const char __pyx_k_Cursor_fetchall[] = "Cursor.fetchall";
  static const char __pyx_k_Cursor_fetchone[] = "Cursor.fetchone";
  static const char __pyx_k_Cursor_rowcount[] = "Cursor.rowcount";
  static const char __pyx_k_cymysql_cursors[] = "cymysql.cursors";
  static const char __pyx_k_Cursor_fetchmany[] = "Cursor.fetchmany";
  static const char __pyx_k_Cursor_lastrowid[] = "Cursor.lastrowid";
  static const char __pyx_k_OperationalError[] = "OperationalError";
  static const char __pyx_k_ProgrammingError[] = "ProgrammingError";
  static const char __pyx_k_NotSupportedError[] = "NotSupportedError";
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  static const char __pyx_k_Cursor_executemany[] = "Cursor.executemany";
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  static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback";
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  static const char __pyx_k_Cursor_errorhandler[] = "Cursor.errorhandler";
  static const char __pyx_k_DictCursor_fetchall[] = "DictCursor.fetchall";
  static const char __pyx_k_DictCursor_fetchone[] = "DictCursor.fetchone";
  static const char __pyx_k_last_execute_cursor[] = "_last_execute_cursor";
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  static const char __pyx_k_DictCursor_fetchmany[] = "DictCursor.fetchmany";
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  static const char __pyx_k_read_rest_rowdata_packet[] = "read_rest_rowdata_packet";
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  static PyObject *__pyx_kp_s_A_cursor_which_returns_results_a;
  static PyObject *__pyx_kp_s_CALL_s_s;
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  static PyObject *__pyx_n_s_Cursor___init;
  static PyObject *__pyx_n_s_Cursor___iter;
  static PyObject *__pyx_n_s_Cursor__check_executed;
  static PyObject *__pyx_n_s_Cursor__do_get_result;
  static PyObject *__pyx_n_s_Cursor__flush;
  static PyObject *__pyx_n_s_Cursor__get_db;
  static PyObject *__pyx_n_s_Cursor__query;
  static PyObject *__pyx_n_s_Cursor_callproc;
  static PyObject *__pyx_n_s_Cursor_close;
  static PyObject *__pyx_n_s_Cursor_description;
  static PyObject *__pyx_n_s_Cursor_errorhandler;
  static PyObject *__pyx_n_s_Cursor_execute;
  static PyObject *__pyx_n_s_Cursor_execute_locals_genexpr;
  static PyObject *__pyx_n_s_Cursor_executemany;
  static PyObject *__pyx_n_s_Cursor_fetchall;
  static PyObject *__pyx_n_s_Cursor_fetchmany;
  static PyObject *__pyx_n_s_Cursor_fetchone;
  static PyObject *__pyx_n_s_Cursor_lastrowid;
  static PyObject *__pyx_n_s_Cursor_nextset;
  static PyObject *__pyx_n_s_Cursor_rowcount;
  static PyObject *__pyx_n_s_Cursor_setinputsizes;
  static PyObject *__pyx_n_s_Cursor_setoutputsizes;
  static PyObject *__pyx_n_s_DataError;
  static PyObject *__pyx_n_s_DatabaseError;
  static PyObject *__pyx_n_s_DictCursor;
  static PyObject *__pyx_n_s_DictCursor_execute;
  static PyObject *__pyx_n_s_DictCursor_fetchall;
  static PyObject *__pyx_n_s_DictCursor_fetchmany;
  static PyObject *__pyx_n_s_DictCursor_fetchone;
  static PyObject *__pyx_n_s_Error;
  static PyObject *__pyx_n_s_IntegrityError;
  static PyObject *__pyx_n_s_InterfaceError;
  static PyObject *__pyx_n_s_InternalError;
  static PyObject *__pyx_n_s_NotSupportedError;
  static PyObject *__pyx_n_s_OperationalError;
  static PyObject *__pyx_n_s_PYTHON3;
  static PyObject *__pyx_n_s_ProgrammingError;
  static PyObject *__pyx_kp_s_SET___s__d_s;
  static PyObject *__pyx_kp_s_This_is_the_object_you_use_to_i;
  static PyObject *__pyx_n_s_Warning;
  static PyObject *__pyx_kp_s__6;
  static PyObject *__pyx_n_s_affected_rows;
  static PyObject *__pyx_n_s_append;
  static PyObject *__pyx_n_s_arg;
  static PyObject *__pyx_n_s_args;
  static PyObject *__pyx_n_s_arraysize;
  static PyObject *__pyx_n_s_callproc;
  static PyObject *__pyx_n_s_charset;
  static PyObject *__pyx_n_s_check_executed;
  static PyObject *__pyx_n_s_cline_in_traceback;
  static PyObject *__pyx_n_s_close;
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  static PyObject *__pyx_n_s_connection;
  static PyObject *__pyx_kp_s_cursor_closed;
  static PyObject *__pyx_n_s_cymysql_cursors;
  static PyObject *__pyx_kp_s_cymysql_cursors_py;
  static PyObject *__pyx_n_s_cymysql_err;
  static PyObject *__pyx_n_s_decode;
  static PyObject *__pyx_n_s_del;
  static PyObject *__pyx_n_s_description;
  static PyObject *__pyx_n_s_do_get_result;
  static PyObject *__pyx_n_s_doc;
  static PyObject *__pyx_n_s_encode;
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  static PyObject *__pyx_kp_s_execute_first;
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  static PyObject *__pyx_n_s_executemany;
  static PyObject *__pyx_n_s_fetchall;
  static PyObject *__pyx_n_s_fetchmany;
  static PyObject *__pyx_n_s_fetchone;
  static PyObject *__pyx_n_s_field;
  static PyObject *__pyx_n_s_fields;
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  static PyObject *__pyx_n_s_genexpr;
  static PyObject *__pyx_n_s_get_db;
  static PyObject *__pyx_n_s_has_next;
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  static PyObject *__pyx_n_s_items;
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  static PyObject *__pyx_n_s_join;
  static PyObject *__pyx_n_s_last_execute_cursor;
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  static PyObject *__pyx_n_s_lastrowid;
  static PyObject *__pyx_n_s_main;
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  static PyObject *__pyx_n_s_module;
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  static PyObject *__pyx_n_s_nextset;
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  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor___init__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_connection); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_2__del__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_4errorhandler(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_errorclass, PyObject *__pyx_v_errorvalue); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_6rowcount(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_8description(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_10lastrowid(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_12close(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_14_get_db(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_16_check_executed(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_18_flush(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_20setinputsizes(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_args); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_22setoutputsizes(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_args); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_24nextset(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_7execute_genexpr(PyObject *__pyx_self); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_7execute_3genexpr(PyObject *__pyx_self); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_26execute(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_query, PyObject *__pyx_v_args); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_28executemany(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_query, PyObject *__pyx_v_args); /* proto */
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  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_36fetchall(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
  static PyObject *__pyx_pf_7cymysql_7cursors_6Cursor_38_query(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_q); /* proto */
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  static PyObject *__pyx_pf_7cymysql_7cursors_10DictCursor_6fetchall(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
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  /* "cymysql/cursors.py":16
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    /* "cymysql/cursors.py":21
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              goto invalid_keyword;
          }
      }
      return 0;
  arg_passed_twice:
      __Pyx_RaiseDoubleKeywordsError(function_name, key);
      goto bad;
  invalid_keyword_type:
      PyErr_Format(PyExc_TypeError,
          "%.200s() keywords must be strings", function_name);
      goto bad;
  invalid_keyword:
      PyErr_Format(PyExc_TypeError,
      #if PY_MAJOR_VERSION < 3
          "%.200s() got an unexpected keyword argument '%.200s'",
          function_name, PyString_AsString(key));
      #else
          "%s() got an unexpected keyword argument '%U'",
          function_name, key);
      #endif
  bad:
      return -1;
  }
  
  /* PyCFunctionFastCall */
  #if CYTHON_FAST_PYCCALL
  static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) {
      PyCFunctionObject *func = (PyCFunctionObject*)func_obj;
      PyCFunction meth = PyCFunction_GET_FUNCTION(func);
      PyObject *self = PyCFunction_GET_SELF(func);
      int flags = PyCFunction_GET_FLAGS(func);
      assert(PyCFunction_Check(func));
      assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS)));
      assert(nargs >= 0);
      assert(nargs == 0 || args != NULL);
      /* _PyCFunction_FastCallDict() must not be called with an exception set,
         because it may clear it (directly or indirectly) and so the
         caller loses its exception */
      assert(!PyErr_Occurred());
      if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) {
          return (*((__Pyx_PyCFunctionFastWithKeywords)meth)) (self, args, nargs, NULL);
      } else {
          return (*((__Pyx_PyCFunctionFast)meth)) (self, args, nargs);
      }
  }
  #endif
  
  /* PyFunctionFastCall */
  #if CYTHON_FAST_PYCALL
  #include "frameobject.h"
  static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
                                                 PyObject *globals) {
      PyFrameObject *f;
      PyThreadState *tstate = __Pyx_PyThreadState_Current;
      PyObject **fastlocals;
      Py_ssize_t i;
      PyObject *result;
      assert(globals != NULL);
      /* XXX Perhaps we should create a specialized
         PyFrame_New() that doesn't take locals, but does
         take builtins without sanity checking them.
         */
      assert(tstate != NULL);
      f = PyFrame_New(tstate, co, globals, NULL);
      if (f == NULL) {
          return NULL;
      }
      fastlocals = f->f_localsplus;
      for (i = 0; i < na; i++) {
          Py_INCREF(*args);
          fastlocals[i] = *args++;
      }
      result = PyEval_EvalFrameEx(f,0);
      ++tstate->recursion_depth;
      Py_DECREF(f);
      --tstate->recursion_depth;
      return result;
  }
  #if 1 || PY_VERSION_HEX < 0x030600B1
  static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, int nargs, PyObject *kwargs) {
      PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
      PyObject *globals = PyFunction_GET_GLOBALS(func);
      PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
      PyObject *closure;
  #if PY_MAJOR_VERSION >= 3
      PyObject *kwdefs;
  #endif
      PyObject *kwtuple, **k;
      PyObject **d;
      Py_ssize_t nd;
      Py_ssize_t nk;
      PyObject *result;
      assert(kwargs == NULL || PyDict_Check(kwargs));
      nk = kwargs ? PyDict_Size(kwargs) : 0;
      if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
          return NULL;
      }
      if (
  #if PY_MAJOR_VERSION >= 3
              co->co_kwonlyargcount == 0 &&
  #endif
              likely(kwargs == NULL || nk == 0) &&
              co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
          if (argdefs == NULL && co->co_argcount == nargs) {
              result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
              goto done;
          }
          else if (nargs == 0 && argdefs != NULL
                   && co->co_argcount == Py_SIZE(argdefs)) {
              /* function called with no arguments, but all parameters have
                 a default value: use default values as arguments .*/
              args = &PyTuple_GET_ITEM(argdefs, 0);
              result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
              goto done;
          }
      }
      if (kwargs != NULL) {
          Py_ssize_t pos, i;
          kwtuple = PyTuple_New(2 * nk);
          if (kwtuple == NULL) {
              result = NULL;
              goto done;
          }
          k = &PyTuple_GET_ITEM(kwtuple, 0);
          pos = i = 0;
          while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
              Py_INCREF(k[i]);
              Py_INCREF(k[i+1]);
              i += 2;
          }
          nk = i / 2;
      }
      else {
          kwtuple = NULL;
          k = NULL;
      }
      closure = PyFunction_GET_CLOSURE(func);
  #if PY_MAJOR_VERSION >= 3
      kwdefs = PyFunction_GET_KW_DEFAULTS(func);
  #endif
      if (argdefs != NULL) {
          d = &PyTuple_GET_ITEM(argdefs, 0);
          nd = Py_SIZE(argdefs);
      }
      else {
          d = NULL;
          nd = 0;
      }
  #if PY_MAJOR_VERSION >= 3
      result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
                                 args, nargs,
                                 k, (int)nk,
                                 d, (int)nd, kwdefs, closure);
  #else
      result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
                                 args, nargs,
                                 k, (int)nk,
                                 d, (int)nd, closure);
  #endif
      Py_XDECREF(kwtuple);
  done:
      Py_LeaveRecursiveCall();
      return result;
  }
  #endif
  #endif
  
  /* PyObjectCall */
  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
      PyObject *result;
      ternaryfunc call = func->ob_type->tp_call;
      if (unlikely(!call))
          return PyObject_Call(func, arg, kw);
      if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
          return NULL;
      result = (*call)(func, arg, kw);
      Py_LeaveRecursiveCall();
      if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
          PyErr_SetString(
              PyExc_SystemError,
              "NULL result without error in PyObject_Call");
      }
      return result;
  }
  #endif
  
  /* PyObjectCallMethO */
  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
      PyObject *self, *result;
      PyCFunction cfunc;
      cfunc = PyCFunction_GET_FUNCTION(func);
      self = PyCFunction_GET_SELF(func);
      if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
          return NULL;
      result = cfunc(self, arg);
      Py_LeaveRecursiveCall();
      if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
          PyErr_SetString(
              PyExc_SystemError,
              "NULL result without error in PyObject_Call");
      }
      return result;
  }
  #endif
  
  /* PyObjectCallOneArg */
  #if CYTHON_COMPILING_IN_CPYTHON
  static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
      PyObject *result;
      PyObject *args = PyTuple_New(1);
      if (unlikely(!args)) return NULL;
      Py_INCREF(arg);
      PyTuple_SET_ITEM(args, 0, arg);
      result = __Pyx_PyObject_Call(func, args, NULL);
      Py_DECREF(args);
      return result;
  }
  static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
  #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(func)) {
          return __Pyx_PyFunction_FastCall(func, &arg, 1);
      }
  #endif
      if (likely(PyCFunction_Check(func))) {
          if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
              return __Pyx_PyObject_CallMethO(func, arg);
  #if CYTHON_FAST_PYCCALL
          } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) {
              return __Pyx_PyCFunction_FastCall(func, &arg, 1);
  #endif
          }
      }
      return __Pyx__PyObject_CallOneArg(func, arg);
  }
  #else
  static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
      PyObject *result;
      PyObject *args = PyTuple_Pack(1, arg);
      if (unlikely(!args)) return NULL;
      result = __Pyx_PyObject_Call(func, args, NULL);
      Py_DECREF(args);
      return result;
  }
  #endif
  
  /* PyObjectCallNoArg */
  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
  #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(func)) {
          return __Pyx_PyFunction_FastCall(func, NULL, 0);
      }
  #endif
  #ifdef __Pyx_CyFunction_USED
      if (likely(PyCFunction_Check(func) || __Pyx_TypeCheck(func, __pyx_CyFunctionType))) {
  #else
      if (likely(PyCFunction_Check(func))) {
  #endif
          if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) {
              return __Pyx_PyObject_CallMethO(func, NULL);
          }
      }
      return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL);
  }
  #endif
  
  /* PyErrFetchRestore */
    #if CYTHON_FAST_THREAD_STATE
  static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      tmp_type = tstate->curexc_type;
      tmp_value = tstate->curexc_value;
      tmp_tb = tstate->curexc_traceback;
      tstate->curexc_type = type;
      tstate->curexc_value = value;
      tstate->curexc_traceback = tb;
      Py_XDECREF(tmp_type);
      Py_XDECREF(tmp_value);
      Py_XDECREF(tmp_tb);
  }
  static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
      *type = tstate->curexc_type;
      *value = tstate->curexc_value;
      *tb = tstate->curexc_traceback;
      tstate->curexc_type = 0;
      tstate->curexc_value = 0;
      tstate->curexc_traceback = 0;
  }
  #endif
  
  /* RaiseException */
    #if PY_MAJOR_VERSION < 3
  static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
                          CYTHON_UNUSED PyObject *cause) {
      __Pyx_PyThreadState_declare
      Py_XINCREF(type);
      if (!value || value == Py_None)
          value = NULL;
      else
          Py_INCREF(value);
      if (!tb || tb == Py_None)
          tb = NULL;
      else {
          Py_INCREF(tb);
          if (!PyTraceBack_Check(tb)) {
              PyErr_SetString(PyExc_TypeError,
                  "raise: arg 3 must be a traceback or None");
              goto raise_error;
          }
      }
      if (PyType_Check(type)) {
  #if CYTHON_COMPILING_IN_PYPY
          if (!value) {
              Py_INCREF(Py_None);
              value = Py_None;
          }
  #endif
          PyErr_NormalizeException(&type, &value, &tb);
      } else {
          if (value) {
              PyErr_SetString(PyExc_TypeError,
                  "instance exception may not have a separate value");
              goto raise_error;
          }
          value = type;
          type = (PyObject*) Py_TYPE(type);
          Py_INCREF(type);
          if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
              PyErr_SetString(PyExc_TypeError,
                  "raise: exception class must be a subclass of BaseException");
              goto raise_error;
          }
      }
      __Pyx_PyThreadState_assign
      __Pyx_ErrRestore(type, value, tb);
      return;
  raise_error:
      Py_XDECREF(value);
      Py_XDECREF(type);
      Py_XDECREF(tb);
      return;
  }
  #else
  static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
      PyObject* owned_instance = NULL;
      if (tb == Py_None) {
          tb = 0;
      } else if (tb && !PyTraceBack_Check(tb)) {
          PyErr_SetString(PyExc_TypeError,
              "raise: arg 3 must be a traceback or None");
          goto bad;
      }
      if (value == Py_None)
          value = 0;
      if (PyExceptionInstance_Check(type)) {
          if (value) {
              PyErr_SetString(PyExc_TypeError,
                  "instance exception may not have a separate value");
              goto bad;
          }
          value = type;
          type = (PyObject*) Py_TYPE(value);
      } else if (PyExceptionClass_Check(type)) {
          PyObject *instance_class = NULL;
          if (value && PyExceptionInstance_Check(value)) {
              instance_class = (PyObject*) Py_TYPE(value);
              if (instance_class != type) {
                  int is_subclass = PyObject_IsSubclass(instance_class, type);
                  if (!is_subclass) {
                      instance_class = NULL;
                  } else if (unlikely(is_subclass == -1)) {
                      goto bad;
                  } else {
                      type = instance_class;
                  }
              }
          }
          if (!instance_class) {
              PyObject *args;
              if (!value)
                  args = PyTuple_New(0);
              else if (PyTuple_Check(value)) {
                  Py_INCREF(value);
                  args = value;
              } else
                  args = PyTuple_Pack(1, value);
              if (!args)
                  goto bad;
              owned_instance = PyObject_Call(type, args, NULL);
              Py_DECREF(args);
              if (!owned_instance)
                  goto bad;
              value = owned_instance;
              if (!PyExceptionInstance_Check(value)) {
                  PyErr_Format(PyExc_TypeError,
                               "calling %R should have returned an instance of "
                               "BaseException, not %R",
                               type, Py_TYPE(value));
                  goto bad;
              }
          }
      } else {
          PyErr_SetString(PyExc_TypeError,
              "raise: exception class must be a subclass of BaseException");
          goto bad;
      }
      if (cause) {
          PyObject *fixed_cause;
          if (cause == Py_None) {
              fixed_cause = NULL;
          } else if (PyExceptionClass_Check(cause)) {
              fixed_cause = PyObject_CallObject(cause, NULL);
              if (fixed_cause == NULL)
                  goto bad;
          } else if (PyExceptionInstance_Check(cause)) {
              fixed_cause = cause;
              Py_INCREF(fixed_cause);
          } else {
              PyErr_SetString(PyExc_TypeError,
                              "exception causes must derive from "
                              "BaseException");
              goto bad;
          }
          PyException_SetCause(value, fixed_cause);
      }
      PyErr_SetObject(type, value);
      if (tb) {
  #if CYTHON_COMPILING_IN_PYPY
          PyObject *tmp_type, *tmp_value, *tmp_tb;
          PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
          Py_INCREF(tb);
          PyErr_Restore(tmp_type, tmp_value, tb);
          Py_XDECREF(tmp_tb);
  #else
          PyThreadState *tstate = __Pyx_PyThreadState_Current;
          PyObject* tmp_tb = tstate->curexc_traceback;
          if (tb != tmp_tb) {
              Py_INCREF(tb);
              tstate->curexc_traceback = tb;
              Py_XDECREF(tmp_tb);
          }
  #endif
      }
  bad:
      Py_XDECREF(owned_instance);
      return;
  }
  #endif
  
  /* SaveResetException */
    #if CYTHON_FAST_THREAD_STATE
  static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
      #if PY_VERSION_HEX >= 0x030700A2
      *type = tstate->exc_state.exc_type;
      *value = tstate->exc_state.exc_value;
      *tb = tstate->exc_state.exc_traceback;
      #else
      *type = tstate->exc_type;
      *value = tstate->exc_value;
      *tb = tstate->exc_traceback;
      #endif
      Py_XINCREF(*type);
      Py_XINCREF(*value);
      Py_XINCREF(*tb);
  }
  static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      #if PY_VERSION_HEX >= 0x030700A2
      tmp_type = tstate->exc_state.exc_type;
      tmp_value = tstate->exc_state.exc_value;
      tmp_tb = tstate->exc_state.exc_traceback;
      tstate->exc_state.exc_type = type;
      tstate->exc_state.exc_value = value;
      tstate->exc_state.exc_traceback = tb;
      #else
      tmp_type = tstate->exc_type;
      tmp_value = tstate->exc_value;
      tmp_tb = tstate->exc_traceback;
      tstate->exc_type = type;
      tstate->exc_value = value;
      tstate->exc_traceback = tb;
      #endif
      Py_XDECREF(tmp_type);
      Py_XDECREF(tmp_value);
      Py_XDECREF(tmp_tb);
  }
  #endif
  
  /* GetModuleGlobalName */
    static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
      PyObject *result;
  #if !CYTHON_AVOID_BORROWED_REFS
      result = PyDict_GetItem(__pyx_d, name);
      if (likely(result)) {
          Py_INCREF(result);
      } else {
  #else
      result = PyObject_GetItem(__pyx_d, name);
      if (!result) {
          PyErr_Clear();
  #endif
          result = __Pyx_GetBuiltinName(name);
      }
      return result;
  }
  
  /* SliceObject */
      static CYTHON_INLINE int __Pyx_PyObject_SetSlice(PyObject* obj, PyObject* value,
          Py_ssize_t cstart, Py_ssize_t cstop,
          PyObject** _py_start, PyObject** _py_stop, PyObject** _py_slice,
          int has_cstart, int has_cstop, CYTHON_UNUSED int wraparound) {
  #if CYTHON_USE_TYPE_SLOTS
      PyMappingMethods* mp;
  #if PY_MAJOR_VERSION < 3
      PySequenceMethods* ms = Py_TYPE(obj)->tp_as_sequence;
      if (likely(ms && ms->sq_ass_slice)) {
          if (!has_cstart) {
              if (_py_start && (*_py_start != Py_None)) {
                  cstart = __Pyx_PyIndex_AsSsize_t(*_py_start);
                  if ((cstart == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
              } else
                  cstart = 0;
          }
          if (!has_cstop) {
              if (_py_stop && (*_py_stop != Py_None)) {
                  cstop = __Pyx_PyIndex_AsSsize_t(*_py_stop);
                  if ((cstop == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
              } else
                  cstop = PY_SSIZE_T_MAX;
          }
          if (wraparound && unlikely((cstart < 0) | (cstop < 0)) && likely(ms->sq_length)) {
              Py_ssize_t l = ms->sq_length(obj);
              if (likely(l >= 0)) {
                  if (cstop < 0) {
                      cstop += l;
                      if (cstop < 0) cstop = 0;
                  }
                  if (cstart < 0) {
                      cstart += l;
                      if (cstart < 0) cstart = 0;
                  }
              } else {
                  if (!PyErr_ExceptionMatches(PyExc_OverflowError))
                      goto bad;
                  PyErr_Clear();
              }
          }
          return ms->sq_ass_slice(obj, cstart, cstop, value);
      }
  #endif
      mp = Py_TYPE(obj)->tp_as_mapping;
      if (likely(mp && mp->mp_ass_subscript))
  #endif
      {
          int result;
          PyObject *py_slice, *py_start, *py_stop;
          if (_py_slice) {
              py_slice = *_py_slice;
          } else {
              PyObject* owned_start = NULL;
              PyObject* owned_stop = NULL;
              if (_py_start) {
                  py_start = *_py_start;
              } else {
                  if (has_cstart) {
                      owned_start = py_start = PyInt_FromSsize_t(cstart);
                      if (unlikely(!py_start)) goto bad;
                  } else
                      py_start = Py_None;
              }
              if (_py_stop) {
                  py_stop = *_py_stop;
              } else {
                  if (has_cstop) {
                      owned_stop = py_stop = PyInt_FromSsize_t(cstop);
                      if (unlikely(!py_stop)) {
                          Py_XDECREF(owned_start);
                          goto bad;
                      }
                  } else
                      py_stop = Py_None;
              }
              py_slice = PySlice_New(py_start, py_stop, Py_None);
              Py_XDECREF(owned_start);
              Py_XDECREF(owned_stop);
              if (unlikely(!py_slice)) goto bad;
          }
  #if CYTHON_USE_TYPE_SLOTS
          result = mp->mp_ass_subscript(obj, py_slice, value);
  #else
          result = value ? PyObject_SetItem(obj, py_slice, value) : PyObject_DelItem(obj, py_slice);
  #endif
          if (!_py_slice) {
              Py_DECREF(py_slice);
          }
          return result;
      }
      PyErr_Format(PyExc_TypeError,
          "'%.200s' object does not support slice %.10s",
          Py_TYPE(obj)->tp_name, value ? "assignment" : "deletion");
  bad:
      return -1;
  }
  
  /* None */
      static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname) {
      PyErr_Format(PyExc_NameError, "free variable '%s' referenced before assignment in enclosing scope", varname);
  }
  
  /* RaiseTooManyValuesToUnpack */
      static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
      PyErr_Format(PyExc_ValueError,
                   "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
  }
  
  /* RaiseNeedMoreValuesToUnpack */
      static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
      PyErr_Format(PyExc_ValueError,
                   "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
                   index, (index == 1) ? "" : "s");
  }
  
  /* IterFinish */
      static CYTHON_INLINE int __Pyx_IterFinish(void) {
  #if CYTHON_FAST_THREAD_STATE
      PyThreadState *tstate = __Pyx_PyThreadState_Current;
      PyObject* exc_type = tstate->curexc_type;
      if (unlikely(exc_type)) {
          if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) {
              PyObject *exc_value, *exc_tb;
              exc_value = tstate->curexc_value;
              exc_tb = tstate->curexc_traceback;
              tstate->curexc_type = 0;
              tstate->curexc_value = 0;
              tstate->curexc_traceback = 0;
              Py_DECREF(exc_type);
              Py_XDECREF(exc_value);
              Py_XDECREF(exc_tb);
              return 0;
          } else {
              return -1;
          }
      }
      return 0;
  #else
      if (unlikely(PyErr_Occurred())) {
          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
              PyErr_Clear();
              return 0;
          } else {
              return -1;
          }
      }
      return 0;
  #endif
  }
  
  /* UnpackItemEndCheck */
      static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
      if (unlikely(retval)) {
          Py_DECREF(retval);
          __Pyx_RaiseTooManyValuesError(expected);
          return -1;
      } else {
          return __Pyx_IterFinish();
      }
      return 0;
  }
  
  /* Import */
      static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
      PyObject *empty_list = 0;
      PyObject *module = 0;
      PyObject *global_dict = 0;
      PyObject *empty_dict = 0;
      PyObject *list;
      #if PY_MAJOR_VERSION < 3
      PyObject *py_import;
      py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
      if (!py_import)
          goto bad;
      #endif
      if (from_list)
          list = from_list;
      else {
          empty_list = PyList_New(0);
          if (!empty_list)
              goto bad;
          list = empty_list;
      }
      global_dict = PyModule_GetDict(__pyx_m);
      if (!global_dict)
          goto bad;
      empty_dict = PyDict_New();
      if (!empty_dict)
          goto bad;
      {
          #if PY_MAJOR_VERSION >= 3
          if (level == -1) {
              if (strchr(__Pyx_MODULE_NAME, '.')) {
                  module = PyImport_ImportModuleLevelObject(
                      name, global_dict, empty_dict, list, 1);
                  if (!module) {
                      if (!PyErr_ExceptionMatches(PyExc_ImportError))
                          goto bad;
                      PyErr_Clear();
                  }
              }
              level = 0;
          }
          #endif
          if (!module) {
              #if PY_MAJOR_VERSION < 3
              PyObject *py_level = PyInt_FromLong(level);
              if (!py_level)
                  goto bad;
              module = PyObject_CallFunctionObjArgs(py_import,
                  name, global_dict, empty_dict, list, py_level, NULL);
              Py_DECREF(py_level);
              #else
              module = PyImport_ImportModuleLevelObject(
                  name, global_dict, empty_dict, list, level);
              #endif
          }
      }
  bad:
      #if PY_MAJOR_VERSION < 3
      Py_XDECREF(py_import);
      #endif
      Py_XDECREF(empty_list);
      Py_XDECREF(empty_dict);
      return module;
  }
  
  /* ImportFrom */
      static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
      PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
      if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
          PyErr_Format(PyExc_ImportError,
          #if PY_MAJOR_VERSION < 3
              "cannot import name %.230s", PyString_AS_STRING(name));
          #else
              "cannot import name %S", name);
          #endif
      }
      return value;
  }
  
  /* GetAttr */
      static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) {
  #if CYTHON_USE_TYPE_SLOTS
  #if PY_MAJOR_VERSION >= 3
      if (likely(PyUnicode_Check(n)))
  #else
      if (likely(PyString_Check(n)))
  #endif
          return __Pyx_PyObject_GetAttrStr(o, n);
  #endif
      return PyObject_GetAttr(o, n);
  }
  
  /* HasAttr */
      static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) {
      PyObject *r;
      if (unlikely(!__Pyx_PyBaseString_Check(n))) {
          PyErr_SetString(PyExc_TypeError,
                          "hasattr(): attribute name must be string");
          return -1;
      }
      r = __Pyx_GetAttr(o, n);
      if (unlikely(!r)) {
          PyErr_Clear();
          return 0;
      } else {
          Py_DECREF(r);
          return 1;
      }
  }
  
  /* GetException */
      #if CYTHON_FAST_THREAD_STATE
  static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
  #else
  static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
  #endif
      PyObject *local_type, *local_value, *local_tb;
  #if CYTHON_FAST_THREAD_STATE
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      local_type = tstate->curexc_type;
      local_value = tstate->curexc_value;
      local_tb = tstate->curexc_traceback;
      tstate->curexc_type = 0;
      tstate->curexc_value = 0;
      tstate->curexc_traceback = 0;
  #else
      PyErr_Fetch(&local_type, &local_value, &local_tb);
  #endif
      PyErr_NormalizeException(&local_type, &local_value, &local_tb);
  #if CYTHON_FAST_THREAD_STATE
      if (unlikely(tstate->curexc_type))
  #else
      if (unlikely(PyErr_Occurred()))
  #endif
          goto bad;
      #if PY_MAJOR_VERSION >= 3
      if (local_tb) {
          if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
              goto bad;
      }
      #endif
      Py_XINCREF(local_tb);
      Py_XINCREF(local_type);
      Py_XINCREF(local_value);
      *type = local_type;
      *value = local_value;
      *tb = local_tb;
  #if CYTHON_FAST_THREAD_STATE
      #if PY_VERSION_HEX >= 0x030700A2
      tmp_type = tstate->exc_state.exc_type;
      tmp_value = tstate->exc_state.exc_value;
      tmp_tb = tstate->exc_state.exc_traceback;
      tstate->exc_state.exc_type = local_type;
      tstate->exc_state.exc_value = local_value;
      tstate->exc_state.exc_traceback = local_tb;
      #else
      tmp_type = tstate->exc_type;
      tmp_value = tstate->exc_value;
      tmp_tb = tstate->exc_traceback;
      tstate->exc_type = local_type;
      tstate->exc_value = local_value;
      tstate->exc_traceback = local_tb;
      #endif
      Py_XDECREF(tmp_type);
      Py_XDECREF(tmp_value);
      Py_XDECREF(tmp_tb);
  #else
      PyErr_SetExcInfo(local_type, local_value, local_tb);
  #endif
      return 0;
  bad:
      *type = 0;
      *value = 0;
      *tb = 0;
      Py_XDECREF(local_type);
      Py_XDECREF(local_value);
      Py_XDECREF(local_tb);
      return -1;
  }
  
  /* PyObjectCallMethod1 */
        static PyObject* __Pyx__PyObject_CallMethod1(PyObject* method, PyObject* arg) {
      PyObject *result = NULL;
  #if CYTHON_UNPACK_METHODS
      if (likely(PyMethod_Check(method))) {
          PyObject *self = PyMethod_GET_SELF(method);
          if (likely(self)) {
              PyObject *args;
              PyObject *function = PyMethod_GET_FUNCTION(method);
              #if CYTHON_FAST_PYCALL
              if (PyFunction_Check(function)) {
                  PyObject *args[2] = {self, arg};
                  result = __Pyx_PyFunction_FastCall(function, args, 2);
                  goto done;
              }
              #endif
              #if CYTHON_FAST_PYCCALL
              if (__Pyx_PyFastCFunction_Check(function)) {
                  PyObject *args[2] = {self, arg};
                  result = __Pyx_PyCFunction_FastCall(function, args, 2);
                  goto done;
              }
              #endif
              args = PyTuple_New(2);
              if (unlikely(!args)) goto done;
              Py_INCREF(self);
              PyTuple_SET_ITEM(args, 0, self);
              Py_INCREF(arg);
              PyTuple_SET_ITEM(args, 1, arg);
              Py_INCREF(function);
              result = __Pyx_PyObject_Call(function, args, NULL);
              Py_DECREF(args);
              Py_DECREF(function);
              return result;
          }
      }
  #endif
      result = __Pyx_PyObject_CallOneArg(method, arg);
      goto done;
  done:
      return result;
  }
  static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg) {
      PyObject *method, *result = NULL;
      method = __Pyx_PyObject_GetAttrStr(obj, method_name);
      if (unlikely(!method)) goto done;
      result = __Pyx__PyObject_CallMethod1(method, arg);
  done:
      Py_XDECREF(method);
      return result;
  }
  
  /* append */
        static CYTHON_INLINE int __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
      if (likely(PyList_CheckExact(L))) {
          if (unlikely(__Pyx_PyList_Append(L, x) < 0)) return -1;
      } else {
          PyObject* retval = __Pyx_PyObject_CallMethod1(L, __pyx_n_s_append, x);
          if (unlikely(!retval))
              return -1;
          Py_DECREF(retval);
      }
      return 0;
  }
  
  /* PyIntBinop */
        #if !CYTHON_COMPILING_IN_PYPY
  static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, CYTHON_UNUSED int inplace) {
      #if PY_MAJOR_VERSION < 3
      if (likely(PyInt_CheckExact(op1))) {
          const long b = intval;
          long x;
          long a = PyInt_AS_LONG(op1);
              x = (long)((unsigned long)a + b);
              if (likely((x^a) >= 0 || (x^b) >= 0))
                  return PyInt_FromLong(x);
              return PyLong_Type.tp_as_number->nb_add(op1, op2);
      }
      #endif
      #if CYTHON_USE_PYLONG_INTERNALS
      if (likely(PyLong_CheckExact(op1))) {
          const long b = intval;
          long a, x;
  #ifdef HAVE_LONG_LONG
          const PY_LONG_LONG llb = intval;
          PY_LONG_LONG lla, llx;
  #endif
          const digit* digits = ((PyLongObject*)op1)->ob_digit;
          const Py_ssize_t size = Py_SIZE(op1);
          if (likely(__Pyx_sst_abs(size) <= 1)) {
              a = likely(size) ? digits[0] : 0;
              if (size == -1) a = -a;
          } else {
              switch (size) {
                  case -2:
                      if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                          a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
  #ifdef HAVE_LONG_LONG
                      } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                          lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                          goto long_long;
  #endif
                      }
                  case 2:
                      if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                          a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
  #ifdef HAVE_LONG_LONG
                      } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                          lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                          goto long_long;
  #endif
                      }
                  case -3:
                      if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                          a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
  #ifdef HAVE_LONG_LONG
                      } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                          lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                          goto long_long;
  #endif
                      }
                  case 3:
                      if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                          a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
  #ifdef HAVE_LONG_LONG
                      } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                          lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                          goto long_long;
  #endif
                      }
                  case -4:
                      if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                          a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
  #ifdef HAVE_LONG_LONG
                      } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                          lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                          goto long_long;
  #endif
                      }
                  case 4:
                      if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                          a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
  #ifdef HAVE_LONG_LONG
                      } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                          lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                          goto long_long;
  #endif
                      }
                  default: return PyLong_Type.tp_as_number->nb_add(op1, op2);
              }
          }
                  x = a + b;
              return PyLong_FromLong(x);
  #ifdef HAVE_LONG_LONG
          long_long:
                  llx = lla + llb;
              return PyLong_FromLongLong(llx);
  #endif
          
          
      }
      #endif
      if (PyFloat_CheckExact(op1)) {
          const long b = intval;
          double a = PyFloat_AS_DOUBLE(op1);
              double result;
              PyFPE_START_PROTECT("add", return NULL)
              result = ((double)a) + (double)b;
              PyFPE_END_PROTECT(result)
              return PyFloat_FromDouble(result);
      }
      return (inplace ? PyNumber_InPlaceAdd : PyNumber_Add)(op1, op2);
  }
  #endif
  
  /* StringJoin */
        #if !CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyBytes_Join(PyObject* sep, PyObject* values) {
      return PyObject_CallMethodObjArgs(sep, __pyx_n_s_join, values, NULL);
  }
  #endif
  
  /* GetItemInt */
        static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
      PyObject *r;
      if (!j) return NULL;
      r = PyObject_GetItem(o, j);
      Py_DECREF(j);
      return r;
  }
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
                                                                CYTHON_NCP_UNUSED int wraparound,
                                                                CYTHON_NCP_UNUSED int boundscheck) {
  #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
      Py_ssize_t wrapped_i = i;
      if (wraparound & unlikely(i < 0)) {
          wrapped_i += PyList_GET_SIZE(o);
      }
      if ((!boundscheck) || likely((0 <= wrapped_i) & (wrapped_i < PyList_GET_SIZE(o)))) {
          PyObject *r = PyList_GET_ITEM(o, wrapped_i);
          Py_INCREF(r);
          return r;
      }
      return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
  #else
      return PySequence_GetItem(o, i);
  #endif
  }
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
                                                                CYTHON_NCP_UNUSED int wraparound,
                                                                CYTHON_NCP_UNUSED int boundscheck) {
  #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
      Py_ssize_t wrapped_i = i;
      if (wraparound & unlikely(i < 0)) {
          wrapped_i += PyTuple_GET_SIZE(o);
      }
      if ((!boundscheck) || likely((0 <= wrapped_i) & (wrapped_i < PyTuple_GET_SIZE(o)))) {
          PyObject *r = PyTuple_GET_ITEM(o, wrapped_i);
          Py_INCREF(r);
          return r;
      }
      return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
  #else
      return PySequence_GetItem(o, i);
  #endif
  }
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
                                                       CYTHON_NCP_UNUSED int wraparound,
                                                       CYTHON_NCP_UNUSED int boundscheck) {
  #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
      if (is_list || PyList_CheckExact(o)) {
          Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
          if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
              PyObject *r = PyList_GET_ITEM(o, n);
              Py_INCREF(r);
              return r;
          }
      }
      else if (PyTuple_CheckExact(o)) {
          Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
          if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
              PyObject *r = PyTuple_GET_ITEM(o, n);
              Py_INCREF(r);
              return r;
          }
      } else {
          PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
          if (likely(m && m->sq_item)) {
              if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
                  Py_ssize_t l = m->sq_length(o);
                  if (likely(l >= 0)) {
                      i += l;
                  } else {
                      if (!PyErr_ExceptionMatches(PyExc_OverflowError))
                          return NULL;
                      PyErr_Clear();
                  }
              }
              return m->sq_item(o, i);
          }
      }
  #else
      if (is_list || PySequence_Check(o)) {
          return PySequence_GetItem(o, i);
      }
  #endif
      return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
  }
  
  /* CalculateMetaclass */
        static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases) {
      Py_ssize_t i, nbases = PyTuple_GET_SIZE(bases);
      for (i=0; i < nbases; i++) {
          PyTypeObject *tmptype;
          PyObject *tmp = PyTuple_GET_ITEM(bases, i);
          tmptype = Py_TYPE(tmp);
  #if PY_MAJOR_VERSION < 3
          if (tmptype == &PyClass_Type)
              continue;
  #endif
          if (!metaclass) {
              metaclass = tmptype;
              continue;
          }
          if (PyType_IsSubtype(metaclass, tmptype))
              continue;
          if (PyType_IsSubtype(tmptype, metaclass)) {
              metaclass = tmptype;
              continue;
          }
          PyErr_SetString(PyExc_TypeError,
                          "metaclass conflict: "
                          "the metaclass of a derived class "
                          "must be a (non-strict) subclass "
                          "of the metaclasses of all its bases");
          return NULL;
      }
      if (!metaclass) {
  #if PY_MAJOR_VERSION < 3
          metaclass = &PyClass_Type;
  #else
          metaclass = &PyType_Type;
  #endif
      }
      Py_INCREF((PyObject*) metaclass);
      return (PyObject*) metaclass;
  }
  
  /* FetchCommonType */
        static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
      PyObject* fake_module;
      PyTypeObject* cached_type = NULL;
      fake_module = PyImport_AddModule((char*) "_cython_" CYTHON_ABI);
      if (!fake_module) return NULL;
      Py_INCREF(fake_module);
      cached_type = (PyTypeObject*) PyObject_GetAttrString(fake_module, type->tp_name);
      if (cached_type) {
          if (!PyType_Check((PyObject*)cached_type)) {
              PyErr_Format(PyExc_TypeError,
                  "Shared Cython type %.200s is not a type object",
                  type->tp_name);
              goto bad;
          }
          if (cached_type->tp_basicsize != type->tp_basicsize) {
              PyErr_Format(PyExc_TypeError,
                  "Shared Cython type %.200s has the wrong size, try recompiling",
                  type->tp_name);
              goto bad;
          }
      } else {
          if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
          PyErr_Clear();
          if (PyType_Ready(type) < 0) goto bad;
          if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0)
              goto bad;
          Py_INCREF(type);
          cached_type = type;
      }
  done:
      Py_DECREF(fake_module);
      return cached_type;
  bad:
      Py_XDECREF(cached_type);
      cached_type = NULL;
      goto done;
  }
  
  /* CythonFunction */
        static PyObject *
  __Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *closure)
  {
      if (unlikely(op->func_doc == NULL)) {
          if (op->func.m_ml->ml_doc) {
  #if PY_MAJOR_VERSION >= 3
              op->func_doc = PyUnicode_FromString(op->func.m_ml->ml_doc);
  #else
              op->func_doc = PyString_FromString(op->func.m_ml->ml_doc);
  #endif
              if (unlikely(op->func_doc == NULL))
                  return NULL;
          } else {
              Py_INCREF(Py_None);
              return Py_None;
          }
      }
      Py_INCREF(op->func_doc);
      return op->func_doc;
  }
  static int
  __Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value)
  {
      PyObject *tmp = op->func_doc;
      if (value == NULL) {
          value = Py_None;
      }
      Py_INCREF(value);
      op->func_doc = value;
      Py_XDECREF(tmp);
      return 0;
  }
  static PyObject *
  __Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op)
  {
      if (unlikely(op->func_name == NULL)) {
  #if PY_MAJOR_VERSION >= 3
          op->func_name = PyUnicode_InternFromString(op->func.m_ml->ml_name);
  #else
          op->func_name = PyString_InternFromString(op->func.m_ml->ml_name);
  #endif
          if (unlikely(op->func_name == NULL))
              return NULL;
      }
      Py_INCREF(op->func_name);
      return op->func_name;
  }
  static int
  __Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value)
  {
      PyObject *tmp;
  #if PY_MAJOR_VERSION >= 3
      if (unlikely(value == NULL || !PyUnicode_Check(value))) {
  #else
      if (unlikely(value == NULL || !PyString_Check(value))) {
  #endif
          PyErr_SetString(PyExc_TypeError,
                          "__name__ must be set to a string object");
          return -1;
      }
      tmp = op->func_name;
      Py_INCREF(value);
      op->func_name = value;
      Py_XDECREF(tmp);
      return 0;
  }
  static PyObject *
  __Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op)
  {
      Py_INCREF(op->func_qualname);
      return op->func_qualname;
  }
  static int
  __Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value)
  {
      PyObject *tmp;
  #if PY_MAJOR_VERSION >= 3
      if (unlikely(value == NULL || !PyUnicode_Check(value))) {
  #else
      if (unlikely(value == NULL || !PyString_Check(value))) {
  #endif
          PyErr_SetString(PyExc_TypeError,
                          "__qualname__ must be set to a string object");
          return -1;
      }
      tmp = op->func_qualname;
      Py_INCREF(value);
      op->func_qualname = value;
      Py_XDECREF(tmp);
      return 0;
  }
  static PyObject *
  __Pyx_CyFunction_get_self(__pyx_CyFunctionObject *m, CYTHON_UNUSED void *closure)
  {
      PyObject *self;
      self = m->func_closure;
      if (self == NULL)
          self = Py_None;
      Py_INCREF(self);
      return self;
  }
  static PyObject *
  __Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op)
  {
      if (unlikely(op->func_dict == NULL)) {
          op->func_dict = PyDict_New();
          if (unlikely(op->func_dict == NULL))
              return NULL;
      }
      Py_INCREF(op->func_dict);
      return op->func_dict;
  }
  static int
  __Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value)
  {
      PyObject *tmp;
      if (unlikely(value == NULL)) {
          PyErr_SetString(PyExc_TypeError,
                 "function's dictionary may not be deleted");
          return -1;
      }
      if (unlikely(!PyDict_Check(value))) {
          PyErr_SetString(PyExc_TypeError,
                 "setting function's dictionary to a non-dict");
          return -1;
      }
      tmp = op->func_dict;
      Py_INCREF(value);
      op->func_dict = value;
      Py_XDECREF(tmp);
      return 0;
  }
  static PyObject *
  __Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op)
  {
      Py_INCREF(op->func_globals);
      return op->func_globals;
  }
  static PyObject *
  __Pyx_CyFunction_get_closure(CYTHON_UNUSED __pyx_CyFunctionObject *op)
  {
      Py_INCREF(Py_None);
      return Py_None;
  }
  static PyObject *
  __Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op)
  {
      PyObject* result = (op->func_code) ? op->func_code : Py_None;
      Py_INCREF(result);
      return result;
  }
  static int
  __Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
      int result = 0;
      PyObject *res = op->defaults_getter((PyObject *) op);
      if (unlikely(!res))
          return -1;
      #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
      op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
      Py_INCREF(op->defaults_tuple);
      op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
      Py_INCREF(op->defaults_kwdict);
      #else
      op->defaults_tuple = PySequence_ITEM(res, 0);
      if (unlikely(!op->defaults_tuple)) result = -1;
      else {
          op->defaults_kwdict = PySequence_ITEM(res, 1);
          if (unlikely(!op->defaults_kwdict)) result = -1;
      }
      #endif
      Py_DECREF(res);
      return result;
  }
  static int
  __Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value) {
      PyObject* tmp;
      if (!value) {
          value = Py_None;
      } else if (value != Py_None && !PyTuple_Check(value)) {
          PyErr_SetString(PyExc_TypeError,
                          "__defaults__ must be set to a tuple object");
          return -1;
      }
      Py_INCREF(value);
      tmp = op->defaults_tuple;
      op->defaults_tuple = value;
      Py_XDECREF(tmp);
      return 0;
  }
  static PyObject *
  __Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op) {
      PyObject* result = op->defaults_tuple;
      if (unlikely(!result)) {
          if (op->defaults_getter) {
              if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
              result = op->defaults_tuple;
          } else {
              result = Py_None;
          }
      }
      Py_INCREF(result);
      return result;
  }
  static int
  __Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value) {
      PyObject* tmp;
      if (!value) {
          value = Py_None;
      } else if (value != Py_None && !PyDict_Check(value)) {
          PyErr_SetString(PyExc_TypeError,
                          "__kwdefaults__ must be set to a dict object");
          return -1;
      }
      Py_INCREF(value);
      tmp = op->defaults_kwdict;
      op->defaults_kwdict = value;
      Py_XDECREF(tmp);
      return 0;
  }
  static PyObject *
  __Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op) {
      PyObject* result = op->defaults_kwdict;
      if (unlikely(!result)) {
          if (op->defaults_getter) {
              if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
              result = op->defaults_kwdict;
          } else {
              result = Py_None;
          }
      }
      Py_INCREF(result);
      return result;
  }
  static int
  __Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value) {
      PyObject* tmp;
      if (!value || value == Py_None) {
          value = NULL;
      } else if (!PyDict_Check(value)) {
          PyErr_SetString(PyExc_TypeError,
                          "__annotations__ must be set to a dict object");
          return -1;
      }
      Py_XINCREF(value);
      tmp = op->func_annotations;
      op->func_annotations = value;
      Py_XDECREF(tmp);
      return 0;
  }
  static PyObject *
  __Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op) {
      PyObject* result = op->func_annotations;
      if (unlikely(!result)) {
          result = PyDict_New();
          if (unlikely(!result)) return NULL;
          op->func_annotations = result;
      }
      Py_INCREF(result);
      return result;
  }
  static PyGetSetDef __pyx_CyFunction_getsets[] = {
      {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
      {(char *) "__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
      {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
      {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
      {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
      {(char *) "__self__", (getter)__Pyx_CyFunction_get_self, 0, 0, 0},
      {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
      {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
      {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
      {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
      {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
      {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
      {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
      {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
      {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
      {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
      {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
      {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
      {0, 0, 0, 0, 0}
  };
  static PyMemberDef __pyx_CyFunction_members[] = {
      {(char *) "__module__", T_OBJECT, offsetof(PyCFunctionObject, m_module), PY_WRITE_RESTRICTED, 0},
      {0, 0, 0,  0, 0}
  };
  static PyObject *
  __Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, CYTHON_UNUSED PyObject *args)
  {
  #if PY_MAJOR_VERSION >= 3
      return PyUnicode_FromString(m->func.m_ml->ml_name);
  #else
      return PyString_FromString(m->func.m_ml->ml_name);
  #endif
  }
  static PyMethodDef __pyx_CyFunction_methods[] = {
      {"__reduce__", (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
      {0, 0, 0, 0}
  };
  #if PY_VERSION_HEX < 0x030500A0
  #define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func_weakreflist)
  #else
  #define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func.m_weakreflist)
  #endif
  static PyObject *__Pyx_CyFunction_New(PyTypeObject *type, PyMethodDef *ml, int flags, PyObject* qualname,
                                        PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
      __pyx_CyFunctionObject *op = PyObject_GC_New(__pyx_CyFunctionObject, type);
      if (op == NULL)
          return NULL;
      op->flags = flags;
      __Pyx_CyFunction_weakreflist(op) = NULL;
      op->func.m_ml = ml;
      op->func.m_self = (PyObject *) op;
      Py_XINCREF(closure);
      op->func_closure = closure;
      Py_XINCREF(module);
      op->func.m_module = module;
      op->func_dict = NULL;
      op->func_name = NULL;
      Py_INCREF(qualname);
      op->func_qualname = qualname;
      op->func_doc = NULL;
      op->func_classobj = NULL;
      op->func_globals = globals;
      Py_INCREF(op->func_globals);
      Py_XINCREF(code);
      op->func_code = code;
      op->defaults_pyobjects = 0;
      op->defaults = NULL;
      op->defaults_tuple = NULL;
      op->defaults_kwdict = NULL;
      op->defaults_getter = NULL;
      op->func_annotations = NULL;
      PyObject_GC_Track(op);
      return (PyObject *) op;
  }
  static int
  __Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
  {
      Py_CLEAR(m->func_closure);
      Py_CLEAR(m->func.m_module);
      Py_CLEAR(m->func_dict);
      Py_CLEAR(m->func_name);
      Py_CLEAR(m->func_qualname);
      Py_CLEAR(m->func_doc);
      Py_CLEAR(m->func_globals);
      Py_CLEAR(m->func_code);
      Py_CLEAR(m->func_classobj);
      Py_CLEAR(m->defaults_tuple);
      Py_CLEAR(m->defaults_kwdict);
      Py_CLEAR(m->func_annotations);
      if (m->defaults) {
          PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
          int i;
          for (i = 0; i < m->defaults_pyobjects; i++)
              Py_XDECREF(pydefaults[i]);
          PyObject_Free(m->defaults);
          m->defaults = NULL;
      }
      return 0;
  }
  static void __Pyx__CyFunction_dealloc(__pyx_CyFunctionObject *m)
  {
      if (__Pyx_CyFunction_weakreflist(m) != NULL)
          PyObject_ClearWeakRefs((PyObject *) m);
      __Pyx_CyFunction_clear(m);
      PyObject_GC_Del(m);
  }
  static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
  {
      PyObject_GC_UnTrack(m);
      __Pyx__CyFunction_dealloc(m);
  }
  static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
  {
      Py_VISIT(m->func_closure);
      Py_VISIT(m->func.m_module);
      Py_VISIT(m->func_dict);
      Py_VISIT(m->func_name);
      Py_VISIT(m->func_qualname);
      Py_VISIT(m->func_doc);
      Py_VISIT(m->func_globals);
      Py_VISIT(m->func_code);
      Py_VISIT(m->func_classobj);
      Py_VISIT(m->defaults_tuple);
      Py_VISIT(m->defaults_kwdict);
      if (m->defaults) {
          PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
          int i;
          for (i = 0; i < m->defaults_pyobjects; i++)
              Py_VISIT(pydefaults[i]);
      }
      return 0;
  }
  static PyObject *__Pyx_CyFunction_descr_get(PyObject *func, PyObject *obj, PyObject *type)
  {
      __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
      if (m->flags & __Pyx_CYFUNCTION_STATICMETHOD) {
          Py_INCREF(func);
          return func;
      }
      if (m->flags & __Pyx_CYFUNCTION_CLASSMETHOD) {
          if (type == NULL)
              type = (PyObject *)(Py_TYPE(obj));
          return __Pyx_PyMethod_New(func, type, (PyObject *)(Py_TYPE(type)));
      }
      if (obj == Py_None)
          obj = NULL;
      return __Pyx_PyMethod_New(func, obj, type);
  }
  static PyObject*
  __Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
  {
  #if PY_MAJOR_VERSION >= 3
      return PyUnicode_FromFormat("<cyfunction %U at %p>",
                                  op->func_qualname, (void *)op);
  #else
      return PyString_FromFormat("<cyfunction %s at %p>",
                                 PyString_AsString(op->func_qualname), (void *)op);
  #endif
  }
  static PyObject * __Pyx_CyFunction_CallMethod(PyObject *func, PyObject *self, PyObject *arg, PyObject *kw) {
      PyCFunctionObject* f = (PyCFunctionObject*)func;
      PyCFunction meth = f->m_ml->ml_meth;
      Py_ssize_t size;
      switch (f->m_ml->ml_flags & (METH_VARARGS | METH_KEYWORDS | METH_NOARGS | METH_O)) {
      case METH_VARARGS:
          if (likely(kw == NULL || PyDict_Size(kw) == 0))
              return (*meth)(self, arg);
          break;
      case METH_VARARGS | METH_KEYWORDS:
          return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
      case METH_NOARGS:
          if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
              size = PyTuple_GET_SIZE(arg);
              if (likely(size == 0))
                  return (*meth)(self, NULL);
              PyErr_Format(PyExc_TypeError,
                  "%.200s() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
                  f->m_ml->ml_name, size);
              return NULL;
          }
          break;
      case METH_O:
          if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
              size = PyTuple_GET_SIZE(arg);
              if (likely(size == 1)) {
                  PyObject *result, *arg0;
                  #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
                  arg0 = PyTuple_GET_ITEM(arg, 0);
                  #else
                  arg0 = PySequence_ITEM(arg, 0); if (unlikely(!arg0)) return NULL;
                  #endif
                  result = (*meth)(self, arg0);
                  #if !(CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
                  Py_DECREF(arg0);
                  #endif
                  return result;
              }
              PyErr_Format(PyExc_TypeError,
                  "%.200s() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
                  f->m_ml->ml_name, size);
              return NULL;
          }
          break;
      default:
          PyErr_SetString(PyExc_SystemError, "Bad call flags in "
                          "__Pyx_CyFunction_Call. METH_OLDARGS is no "
                          "longer supported!");
          return NULL;
      }
      PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
                   f->m_ml->ml_name);
      return NULL;
  }
  static CYTHON_INLINE PyObject *__Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
      return __Pyx_CyFunction_CallMethod(func, ((PyCFunctionObject*)func)->m_self, arg, kw);
  }
  static PyObject *__Pyx_CyFunction_CallAsMethod(PyObject *func, PyObject *args, PyObject *kw) {
      PyObject *result;
      __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *) func;
      if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
          Py_ssize_t argc;
          PyObject *new_args;
          PyObject *self;
          argc = PyTuple_GET_SIZE(args);
          new_args = PyTuple_GetSlice(args, 1, argc);
          if (unlikely(!new_args))
              return NULL;
          self = PyTuple_GetItem(args, 0);
          if (unlikely(!self)) {
              Py_DECREF(new_args);
              return NULL;
          }
          result = __Pyx_CyFunction_CallMethod(func, self, new_args, kw);
          Py_DECREF(new_args);
      } else {
          result = __Pyx_CyFunction_Call(func, args, kw);
      }
      return result;
  }
  static PyTypeObject __pyx_CyFunctionType_type = {
      PyVarObject_HEAD_INIT(0, 0)
      "cython_function_or_method",
      sizeof(__pyx_CyFunctionObject),
      0,
      (destructor) __Pyx_CyFunction_dealloc,
      0,
      0,
      0,
  #if PY_MAJOR_VERSION < 3
      0,
  #else
      0,
  #endif
      (reprfunc) __Pyx_CyFunction_repr,
      0,
      0,
      0,
      0,
      __Pyx_CyFunction_CallAsMethod,
      0,
      0,
      0,
      0,
      Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
      0,
      (traverseproc) __Pyx_CyFunction_traverse,
      (inquiry) __Pyx_CyFunction_clear,
      0,
  #if PY_VERSION_HEX < 0x030500A0
      offsetof(__pyx_CyFunctionObject, func_weakreflist),
  #else
      offsetof(PyCFunctionObject, m_weakreflist),
  #endif
      0,
      0,
      __pyx_CyFunction_methods,
      __pyx_CyFunction_members,
      __pyx_CyFunction_getsets,
      0,
      0,
      __Pyx_CyFunction_descr_get,
      0,
      offsetof(__pyx_CyFunctionObject, func_dict),
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
  #if PY_VERSION_HEX >= 0x030400a1
      0,
  #endif
  };
  static int __pyx_CyFunction_init(void) {
      __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type);
      if (unlikely(__pyx_CyFunctionType == NULL)) {
          return -1;
      }
      return 0;
  }
  static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
      __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
      m->defaults = PyObject_Malloc(size);
      if (unlikely(!m->defaults))
          return PyErr_NoMemory();
      memset(m->defaults, 0, size);
      m->defaults_pyobjects = pyobjects;
      return m->defaults;
  }
  static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
      __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
      m->defaults_tuple = tuple;
      Py_INCREF(tuple);
  }
  static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
      __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
      m->defaults_kwdict = dict;
      Py_INCREF(dict);
  }
  static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
      __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
      m->func_annotations = dict;
      Py_INCREF(dict);
  }
  
  /* Py3ClassCreate */
            static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name,
                                             PyObject *qualname, PyObject *mkw, PyObject *modname, PyObject *doc) {
      PyObject *ns;
      if (metaclass) {
          PyObject *prep = __Pyx_PyObject_GetAttrStr(metaclass, __pyx_n_s_prepare);
          if (prep) {
              PyObject *pargs = PyTuple_Pack(2, name, bases);
              if (unlikely(!pargs)) {
                  Py_DECREF(prep);
                  return NULL;
              }
              ns = PyObject_Call(prep, pargs, mkw);
              Py_DECREF(prep);
              Py_DECREF(pargs);
          } else {
              if (unlikely(!PyErr_ExceptionMatches(PyExc_AttributeError)))
                  return NULL;
              PyErr_Clear();
              ns = PyDict_New();
          }
      } else {
          ns = PyDict_New();
      }
      if (unlikely(!ns))
          return NULL;
      if (unlikely(PyObject_SetItem(ns, __pyx_n_s_module, modname) < 0)) goto bad;
      if (unlikely(PyObject_SetItem(ns, __pyx_n_s_qualname, qualname) < 0)) goto bad;
      if (unlikely(doc && PyObject_SetItem(ns, __pyx_n_s_doc, doc) < 0)) goto bad;
      return ns;
  bad:
      Py_DECREF(ns);
      return NULL;
  }
  static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases,
                                        PyObject *dict, PyObject *mkw,
                                        int calculate_metaclass, int allow_py2_metaclass) {
      PyObject *result, *margs;
      PyObject *owned_metaclass = NULL;
      if (allow_py2_metaclass) {
          owned_metaclass = PyObject_GetItem(dict, __pyx_n_s_metaclass);
          if (owned_metaclass) {
              metaclass = owned_metaclass;
          } else if (likely(PyErr_ExceptionMatches(PyExc_KeyError))) {
              PyErr_Clear();
          } else {
              return NULL;
          }
      }
      if (calculate_metaclass && (!metaclass || PyType_Check(metaclass))) {
          metaclass = __Pyx_CalculateMetaclass((PyTypeObject*) metaclass, bases);
          Py_XDECREF(owned_metaclass);
          if (unlikely(!metaclass))
              return NULL;
          owned_metaclass = metaclass;
      }
      margs = PyTuple_Pack(3, name, bases, dict);
      if (unlikely(!margs)) {
          result = NULL;
      } else {
          result = PyObject_Call(metaclass, margs, mkw);
          Py_DECREF(margs);
      }
      Py_XDECREF(owned_metaclass);
      return result;
  }
  
  /* CLineInTraceback */
            #ifndef CYTHON_CLINE_IN_TRACEBACK
  static int __Pyx_CLineForTraceback(CYTHON_UNUSED PyThreadState *tstate, int c_line) {
      PyObject *use_cline;
      PyObject *ptype, *pvalue, *ptraceback;
  #if CYTHON_COMPILING_IN_CPYTHON
      PyObject **cython_runtime_dict;
  #endif
      __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
  #if CYTHON_COMPILING_IN_CPYTHON
      cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime);
      if (likely(cython_runtime_dict)) {
        use_cline = PyDict_GetItem(*cython_runtime_dict, __pyx_n_s_cline_in_traceback);
      } else
  #endif
      {
        PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
        if (use_cline_obj) {
          use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True;
          Py_DECREF(use_cline_obj);
        } else {
          PyErr_Clear();
          use_cline = NULL;
        }
      }
      if (!use_cline) {
          c_line = 0;
          PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
      }
      else if (PyObject_Not(use_cline) != 0) {
          c_line = 0;
      }
      __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
      return c_line;
  }
  #endif
  
  /* CodeObjectCache */
            static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
      int start = 0, mid = 0, end = count - 1;
      if (end >= 0 && code_line > entries[end].code_line) {
          return count;
      }
      while (start < end) {
          mid = start + (end - start) / 2;
          if (code_line < entries[mid].code_line) {
              end = mid;
          } else if (code_line > entries[mid].code_line) {
               start = mid + 1;
          } else {
              return mid;
          }
      }
      if (code_line <= entries[mid].code_line) {
          return mid;
      } else {
          return mid + 1;
      }
  }
  static PyCodeObject *__pyx_find_code_object(int code_line) {
      PyCodeObject* code_object;
      int pos;
      if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
          return NULL;
      }
      pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
      if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
          return NULL;
      }
      code_object = __pyx_code_cache.entries[pos].code_object;
      Py_INCREF(code_object);
      return code_object;
  }
  static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
      int pos, i;
      __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
      if (unlikely(!code_line)) {
          return;
      }
      if (unlikely(!entries)) {
          entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
          if (likely(entries)) {
              __pyx_code_cache.entries = entries;
              __pyx_code_cache.max_count = 64;
              __pyx_code_cache.count = 1;
              entries[0].code_line = code_line;
              entries[0].code_object = code_object;
              Py_INCREF(code_object);
          }
          return;
      }
      pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
      if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
          PyCodeObject* tmp = entries[pos].code_object;
          entries[pos].code_object = code_object;
          Py_DECREF(tmp);
          return;
      }
      if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
          int new_max = __pyx_code_cache.max_count + 64;
          entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
              __pyx_code_cache.entries, (size_t)new_max*sizeof(__Pyx_CodeObjectCacheEntry));
          if (unlikely(!entries)) {
              return;
          }
          __pyx_code_cache.entries = entries;
          __pyx_code_cache.max_count = new_max;
      }
      for (i=__pyx_code_cache.count; i>pos; i--) {
          entries[i] = entries[i-1];
      }
      entries[pos].code_line = code_line;
      entries[pos].code_object = code_object;
      __pyx_code_cache.count++;
      Py_INCREF(code_object);
  }
  
  /* AddTraceback */
            #include "compile.h"
  #include "frameobject.h"
  #include "traceback.h"
  static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
              const char *funcname, int c_line,
              int py_line, const char *filename) {
      PyCodeObject *py_code = 0;
      PyObject *py_srcfile = 0;
      PyObject *py_funcname = 0;
      #if PY_MAJOR_VERSION < 3
      py_srcfile = PyString_FromString(filename);
      #else
      py_srcfile = PyUnicode_FromString(filename);
      #endif
      if (!py_srcfile) goto bad;
      if (c_line) {
          #if PY_MAJOR_VERSION < 3
          py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
          #else
          py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
          #endif
      }
      else {
          #if PY_MAJOR_VERSION < 3
          py_funcname = PyString_FromString(funcname);
          #else
          py_funcname = PyUnicode_FromString(funcname);
          #endif
      }
      if (!py_funcname) goto bad;
      py_code = __Pyx_PyCode_New(
          0,
          0,
          0,
          0,
          0,
          __pyx_empty_bytes, /*PyObject *code,*/
          __pyx_empty_tuple, /*PyObject *consts,*/
          __pyx_empty_tuple, /*PyObject *names,*/
          __pyx_empty_tuple, /*PyObject *varnames,*/
          __pyx_empty_tuple, /*PyObject *freevars,*/
          __pyx_empty_tuple, /*PyObject *cellvars,*/
          py_srcfile,   /*PyObject *filename,*/
          py_funcname,  /*PyObject *name,*/
          py_line,
          __pyx_empty_bytes  /*PyObject *lnotab*/
      );
      Py_DECREF(py_srcfile);
      Py_DECREF(py_funcname);
      return py_code;
  bad:
      Py_XDECREF(py_srcfile);
      Py_XDECREF(py_funcname);
      return NULL;
  }
  static void __Pyx_AddTraceback(const char *funcname, int c_line,
                                 int py_line, const char *filename) {
      PyCodeObject *py_code = 0;
      PyFrameObject *py_frame = 0;
      PyThreadState *tstate = __Pyx_PyThreadState_Current;
      if (c_line) {
          c_line = __Pyx_CLineForTraceback(tstate, c_line);
      }
      py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
      if (!py_code) {
          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(
          tstate,            /*PyThreadState *tstate,*/
          py_code,           /*PyCodeObject *code,*/
          __pyx_d,    /*PyObject *globals,*/
          0                  /*PyObject *locals*/
      );
      if (!py_frame) goto bad;
      __Pyx_PyFrame_SetLineNumber(py_frame, py_line);
      PyTraceBack_Here(py_frame);
  bad:
      Py_XDECREF(py_code);
      Py_XDECREF(py_frame);
  }
  
  /* CIntToPy */
            static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
      const long neg_one = (long) -1, const_zero = (long) 0;
      const int is_unsigned = neg_one > const_zero;
      if (is_unsigned) {
          if (sizeof(long) < sizeof(long)) {
              return PyInt_FromLong((long) value);
          } else if (sizeof(long) <= sizeof(unsigned long)) {
              return PyLong_FromUnsignedLong((unsigned long) value);
  #ifdef HAVE_LONG_LONG
          } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
              return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
  #endif
          }
      } else {
          if (sizeof(long) <= sizeof(long)) {
              return PyInt_FromLong((long) value);
  #ifdef HAVE_LONG_LONG
          } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
              return PyLong_FromLongLong((PY_LONG_LONG) value);
  #endif
          }
      }
      {
          int one = 1; int little = (int)*(unsigned char *)&one;
          unsigned char *bytes = (unsigned char *)&value;
          return _PyLong_FromByteArray(bytes, sizeof(long),
                                       little, !is_unsigned);
      }
  }
  
  /* CIntFromPyVerify */
            #define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
      __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
  #define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
      __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
  #define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
      {\
          func_type value = func_value;\
          if (sizeof(target_type) < sizeof(func_type)) {\
              if (unlikely(value != (func_type) (target_type) value)) {\
                  func_type zero = 0;\
                  if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
                      return (target_type) -1;\
                  if (is_unsigned && unlikely(value < zero))\
                      goto raise_neg_overflow;\
                  else\
                      goto raise_overflow;\
              }\
          }\
          return (target_type) value;\
      }
  
  /* CIntFromPy */
            static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
      const long neg_one = (long) -1, const_zero = (long) 0;
      const int is_unsigned = neg_one > const_zero;
  #if PY_MAJOR_VERSION < 3
      if (likely(PyInt_Check(x))) {
          if (sizeof(long) < sizeof(long)) {
              __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
          } else {
              long val = PyInt_AS_LONG(x);
              if (is_unsigned && unlikely(val < 0)) {
                  goto raise_neg_overflow;
              }
              return (long) val;
          }
      } else
  #endif
      if (likely(PyLong_Check(x))) {
          if (is_unsigned) {
  #if CYTHON_USE_PYLONG_INTERNALS
              const digit* digits = ((PyLongObject*)x)->ob_digit;
              switch (Py_SIZE(x)) {
                  case  0: return (long) 0;
                  case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
                  case 2:
                      if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
                              return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                          }
                      }
                      break;
                  case 3:
                      if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
                              return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                          }
                      }
                      break;
                  case 4:
                      if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
                              return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                          }
                      }
                      break;
              }
  #endif
  #if CYTHON_COMPILING_IN_CPYTHON
              if (unlikely(Py_SIZE(x) < 0)) {
                  goto raise_neg_overflow;
              }
  #else
              {
                  int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                  if (unlikely(result < 0))
                      return (long) -1;
                  if (unlikely(result == 1))
                      goto raise_neg_overflow;
              }
  #endif
              if (sizeof(long) <= sizeof(unsigned long)) {
                  __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
  #ifdef HAVE_LONG_LONG
              } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
  #endif
              }
          } else {
  #if CYTHON_USE_PYLONG_INTERNALS
              const digit* digits = ((PyLongObject*)x)->ob_digit;
              switch (Py_SIZE(x)) {
                  case  0: return (long) 0;
                  case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0]))
                  case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
                  case -2:
                      if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                              return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                          }
                      }
                      break;
                  case 2:
                      if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                              return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                          }
                      }
                      break;
                  case -3:
                      if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                              return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                          }
                      }
                      break;
                  case 3:
                      if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                              return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                          }
                      }
                      break;
                  case -4:
                      if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                              return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                          }
                      }
                      break;
                  case 4:
                      if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                              return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                          }
                      }
                      break;
              }
  #endif
              if (sizeof(long) <= sizeof(long)) {
                  __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
  #ifdef HAVE_LONG_LONG
              } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
  #endif
              }
          }
          {
  #if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
              PyErr_SetString(PyExc_RuntimeError,
                              "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
  #else
              long val;
              PyObject *v = __Pyx_PyNumber_IntOrLong(x);
   #if PY_MAJOR_VERSION < 3
              if (likely(v) && !PyLong_Check(v)) {
                  PyObject *tmp = v;
                  v = PyNumber_Long(tmp);
                  Py_DECREF(tmp);
              }
   #endif
              if (likely(v)) {
                  int one = 1; int is_little = (int)*(unsigned char *)&one;
                  unsigned char *bytes = (unsigned char *)&val;
                  int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                                bytes, sizeof(val),
                                                is_little, !is_unsigned);
                  Py_DECREF(v);
                  if (likely(!ret))
                      return val;
              }
  #endif
              return (long) -1;
          }
      } else {
          long val;
          PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
          if (!tmp) return (long) -1;
          val = __Pyx_PyInt_As_long(tmp);
          Py_DECREF(tmp);
          return val;
      }
  raise_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "value too large to convert to long");
      return (long) -1;
  raise_neg_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "can't convert negative value to long");
      return (long) -1;
  }
  
  /* CIntFromPy */
            static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
      const int neg_one = (int) -1, const_zero = (int) 0;
      const int is_unsigned = neg_one > const_zero;
  #if PY_MAJOR_VERSION < 3
      if (likely(PyInt_Check(x))) {
          if (sizeof(int) < sizeof(long)) {
              __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
          } else {
              long val = PyInt_AS_LONG(x);
              if (is_unsigned && unlikely(val < 0)) {
                  goto raise_neg_overflow;
              }
              return (int) val;
          }
      } else
  #endif
      if (likely(PyLong_Check(x))) {
          if (is_unsigned) {
  #if CYTHON_USE_PYLONG_INTERNALS
              const digit* digits = ((PyLongObject*)x)->ob_digit;
              switch (Py_SIZE(x)) {
                  case  0: return (int) 0;
                  case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
                  case 2:
                      if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
                              return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                          }
                      }
                      break;
                  case 3:
                      if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
                              return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                          }
                      }
                      break;
                  case 4:
                      if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
                              return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                          }
                      }
                      break;
              }
  #endif
  #if CYTHON_COMPILING_IN_CPYTHON
              if (unlikely(Py_SIZE(x) < 0)) {
                  goto raise_neg_overflow;
              }
  #else
              {
                  int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                  if (unlikely(result < 0))
                      return (int) -1;
                  if (unlikely(result == 1))
                      goto raise_neg_overflow;
              }
  #endif
              if (sizeof(int) <= sizeof(unsigned long)) {
                  __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
  #ifdef HAVE_LONG_LONG
              } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
  #endif
              }
          } else {
  #if CYTHON_USE_PYLONG_INTERNALS
              const digit* digits = ((PyLongObject*)x)->ob_digit;
              switch (Py_SIZE(x)) {
                  case  0: return (int) 0;
                  case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0]))
                  case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
                  case -2:
                      if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                              return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                          }
                      }
                      break;
                  case 2:
                      if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                              return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                          }
                      }
                      break;
                  case -3:
                      if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                              return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                          }
                      }
                      break;
                  case 3:
                      if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                              return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                          }
                      }
                      break;
                  case -4:
                      if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                              return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                          }
                      }
                      break;
                  case 4:
                      if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                              return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                          }
                      }
                      break;
              }
  #endif
              if (sizeof(int) <= sizeof(long)) {
                  __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
  #ifdef HAVE_LONG_LONG
              } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
  #endif
              }
          }
          {
  #if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
              PyErr_SetString(PyExc_RuntimeError,
                              "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
  #else
              int val;
              PyObject *v = __Pyx_PyNumber_IntOrLong(x);
   #if PY_MAJOR_VERSION < 3
              if (likely(v) && !PyLong_Check(v)) {
                  PyObject *tmp = v;
                  v = PyNumber_Long(tmp);
                  Py_DECREF(tmp);
              }
   #endif
              if (likely(v)) {
                  int one = 1; int is_little = (int)*(unsigned char *)&one;
                  unsigned char *bytes = (unsigned char *)&val;
                  int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                                bytes, sizeof(val),
                                                is_little, !is_unsigned);
                  Py_DECREF(v);
                  if (likely(!ret))
                      return val;
              }
  #endif
              return (int) -1;
          }
      } else {
          int val;
          PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
          if (!tmp) return (int) -1;
          val = __Pyx_PyInt_As_int(tmp);
          Py_DECREF(tmp);
          return val;
      }
  raise_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "value too large to convert to int");
      return (int) -1;
  raise_neg_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "can't convert negative value to int");
      return (int) -1;
  }
  
  /* FastTypeChecks */
            #if CYTHON_COMPILING_IN_CPYTHON
  static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
      while (a) {
          a = a->tp_base;
          if (a == b)
              return 1;
      }
      return b == &PyBaseObject_Type;
  }
  static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
      PyObject *mro;
      if (a == b) return 1;
      mro = a->tp_mro;
      if (likely(mro)) {
          Py_ssize_t i, n;
          n = PyTuple_GET_SIZE(mro);
          for (i = 0; i < n; i++) {
              if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
                  return 1;
          }
          return 0;
      }
      return __Pyx_InBases(a, b);
  }
  #if PY_MAJOR_VERSION == 2
  static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) {
      PyObject *exception, *value, *tb;
      int res;
      __Pyx_PyThreadState_declare
      __Pyx_PyThreadState_assign
      __Pyx_ErrFetch(&exception, &value, &tb);
      res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0;
      if (unlikely(res == -1)) {
          PyErr_WriteUnraisable(err);
          res = 0;
      }
      if (!res) {
          res = PyObject_IsSubclass(err, exc_type2);
          if (unlikely(res == -1)) {
              PyErr_WriteUnraisable(err);
              res = 0;
          }
      }
      __Pyx_ErrRestore(exception, value, tb);
      return res;
  }
  #else
  static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
      int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0;
      if (!res) {
          res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
      }
      return res;
  }
  #endif
  static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
      if (likely(err == exc_type)) return 1;
      if (likely(PyExceptionClass_Check(err))) {
          return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
      }
      return PyErr_GivenExceptionMatches(err, exc_type);
  }
  static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
      if (likely(err == exc_type1 || err == exc_type2)) return 1;
      if (likely(PyExceptionClass_Check(err))) {
          return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
      }
      return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
  }
  #endif
  
  /* SwapException */
            #if CYTHON_FAST_THREAD_STATE
  static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      #if PY_VERSION_HEX >= 0x030700A2
      tmp_type = tstate->exc_state.exc_type;
      tmp_value = tstate->exc_state.exc_value;
      tmp_tb = tstate->exc_state.exc_traceback;
      tstate->exc_state.exc_type = *type;
      tstate->exc_state.exc_value = *value;
      tstate->exc_state.exc_traceback = *tb;
      #else
      tmp_type = tstate->exc_type;
      tmp_value = tstate->exc_value;
      tmp_tb = tstate->exc_traceback;
      tstate->exc_type = *type;
      tstate->exc_value = *value;
      tstate->exc_traceback = *tb;
      #endif
      *type = tmp_type;
      *value = tmp_value;
      *tb = tmp_tb;
  }
  #else
  static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
      PyErr_SetExcInfo(*type, *value, *tb);
      *type = tmp_type;
      *value = tmp_value;
      *tb = tmp_tb;
  }
  #endif
  
  /* CoroutineBase */
            #include <structmember.h>
  #include <frameobject.h>
  #define __Pyx_Coroutine_Undelegate(gen) Py_CLEAR((gen)->yieldfrom)
  static int __Pyx_PyGen__FetchStopIterationValue(CYTHON_UNUSED PyThreadState *__pyx_tstate, PyObject **pvalue) {
      PyObject *et, *ev, *tb;
      PyObject *value = NULL;
      __Pyx_ErrFetch(&et, &ev, &tb);
      if (!et) {
          Py_XDECREF(tb);
          Py_XDECREF(ev);
          Py_INCREF(Py_None);
          *pvalue = Py_None;
          return 0;
      }
      if (likely(et == PyExc_StopIteration)) {
          if (!ev) {
              Py_INCREF(Py_None);
              value = Py_None;
          }
  #if PY_VERSION_HEX >= 0x030300A0
          else if (Py_TYPE(ev) == (PyTypeObject*)PyExc_StopIteration) {
              value = ((PyStopIterationObject *)ev)->value;
              Py_INCREF(value);
              Py_DECREF(ev);
          }
  #endif
          else if (unlikely(PyTuple_Check(ev))) {
              if (PyTuple_GET_SIZE(ev) >= 1) {
  #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
                  value = PyTuple_GET_ITEM(ev, 0);
                  Py_INCREF(value);
  #else
                  value = PySequence_ITEM(ev, 0);
  #endif
              } else {
                  Py_INCREF(Py_None);
                  value = Py_None;
              }
              Py_DECREF(ev);
          }
          else if (!__Pyx_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration)) {
              value = ev;
          }
          if (likely(value)) {
              Py_XDECREF(tb);
              Py_DECREF(et);
              *pvalue = value;
              return 0;
          }
      } else if (!__Pyx_PyErr_GivenExceptionMatches(et, PyExc_StopIteration)) {
          __Pyx_ErrRestore(et, ev, tb);
          return -1;
      }
      PyErr_NormalizeException(&et, &ev, &tb);
      if (unlikely(!PyObject_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration))) {
          __Pyx_ErrRestore(et, ev, tb);
          return -1;
      }
      Py_XDECREF(tb);
      Py_DECREF(et);
  #if PY_VERSION_HEX >= 0x030300A0
      value = ((PyStopIterationObject *)ev)->value;
      Py_INCREF(value);
      Py_DECREF(ev);
  #else
      {
          PyObject* args = __Pyx_PyObject_GetAttrStr(ev, __pyx_n_s_args);
          Py_DECREF(ev);
          if (likely(args)) {
              value = PySequence_GetItem(args, 0);
              Py_DECREF(args);
          }
          if (unlikely(!value)) {
              __Pyx_ErrRestore(NULL, NULL, NULL);
              Py_INCREF(Py_None);
              value = Py_None;
          }
      }
  #endif
      *pvalue = value;
      return 0;
  }
  static CYTHON_INLINE
  void __Pyx_Coroutine_ExceptionClear(__pyx_CoroutineObject *self) {
      PyObject *exc_type = self->exc_type;
      PyObject *exc_value = self->exc_value;
      PyObject *exc_traceback = self->exc_traceback;
      self->exc_type = NULL;
      self->exc_value = NULL;
      self->exc_traceback = NULL;
      Py_XDECREF(exc_type);
      Py_XDECREF(exc_value);
      Py_XDECREF(exc_traceback);
  }
  #define __Pyx_Coroutine_AlreadyRunningError(gen)  (__Pyx__Coroutine_AlreadyRunningError(gen), (PyObject*)NULL)
  static void __Pyx__Coroutine_AlreadyRunningError(CYTHON_UNUSED __pyx_CoroutineObject *gen) {
      const char *msg;
      if (0) {
      #ifdef __Pyx_Coroutine_USED
      } else if (__Pyx_Coroutine_CheckExact((PyObject*)gen)) {
          msg = "coroutine already executing";
      #endif
      #ifdef __Pyx_AsyncGen_USED
      } else if (__Pyx_AsyncGen_CheckExact((PyObject*)gen)) {
          msg = "async generator already executing";
      #endif
      } else {
          msg = "generator already executing";
      }
      PyErr_SetString(PyExc_ValueError, msg);
  }
  #define __Pyx_Coroutine_NotStartedError(gen)  (__Pyx__Coroutine_NotStartedError(gen), (PyObject*)NULL)
  static void __Pyx__Coroutine_NotStartedError(CYTHON_UNUSED PyObject *gen) {
      const char *msg;
      if (0) {
      #ifdef __Pyx_Coroutine_USED
      } else if (__Pyx_Coroutine_CheckExact(gen)) {
          msg = "can't send non-None value to a just-started coroutine";
      #endif
      #ifdef __Pyx_AsyncGen_USED
      } else if (__Pyx_AsyncGen_CheckExact(gen)) {
          msg = "can't send non-None value to a just-started async generator";
      #endif
      } else {
          msg = "can't send non-None value to a just-started generator";
      }
      PyErr_SetString(PyExc_TypeError, msg);
  }
  #define __Pyx_Coroutine_AlreadyTerminatedError(gen, value, closing)  (__Pyx__Coroutine_AlreadyTerminatedError(gen, value, closing), (PyObject*)NULL)
  static void __Pyx__Coroutine_AlreadyTerminatedError(CYTHON_UNUSED PyObject *gen, PyObject *value, CYTHON_UNUSED int closing) {
      #ifdef __Pyx_Coroutine_USED
      if (!closing && __Pyx_Coroutine_CheckExact(gen)) {
          PyErr_SetString(PyExc_RuntimeError, "cannot reuse already awaited coroutine");
      } else
      #endif
      if (value) {
          #ifdef __Pyx_AsyncGen_USED
          if (__Pyx_AsyncGen_CheckExact(gen))
              PyErr_SetNone(__Pyx_PyExc_StopAsyncIteration);
          else
          #endif
          PyErr_SetNone(PyExc_StopIteration);
      }
  }
  static
  PyObject *__Pyx_Coroutine_SendEx(__pyx_CoroutineObject *self, PyObject *value, int closing) {
      __Pyx_PyThreadState_declare
      PyThreadState *tstate;
      PyObject *retval;
      assert(!self->is_running);
      if (unlikely(self->resume_label == 0)) {
          if (unlikely(value && value != Py_None)) {
              return __Pyx_Coroutine_NotStartedError((PyObject*)self);
          }
      }
      if (unlikely(self->resume_label == -1)) {
          return __Pyx_Coroutine_AlreadyTerminatedError((PyObject*)self, value, closing);
      }
  #if CYTHON_FAST_THREAD_STATE
      __Pyx_PyThreadState_assign
      tstate = __pyx_tstate;
  #else
      tstate = __Pyx_PyThreadState_Current;
  #endif
      if (self->exc_type) {
  #if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
  #else
          if (self->exc_traceback) {
              PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
              PyFrameObject *f = tb->tb_frame;
              Py_XINCREF(tstate->frame);
              assert(f->f_back == NULL);
              f->f_back = tstate->frame;
          }
  #endif
          __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
                              &self->exc_traceback);
      } else {
          __Pyx_Coroutine_ExceptionClear(self);
          __Pyx_ExceptionSave(&self->exc_type, &self->exc_value, &self->exc_traceback);
      }
      self->is_running = 1;
      retval = self->body((PyObject *) self, tstate, value);
      self->is_running = 0;
      return retval;
  }
  static CYTHON_INLINE void __Pyx_Coroutine_ResetFrameBackpointer(__pyx_CoroutineObject *self) {
      if (likely(self->exc_traceback)) {
  #if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
  #else
          PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
          PyFrameObject *f = tb->tb_frame;
          Py_CLEAR(f->f_back);
  #endif
      }
  }
  static CYTHON_INLINE
  PyObject *__Pyx_Coroutine_MethodReturn(CYTHON_UNUSED PyObject* gen, PyObject *retval) {
      if (unlikely(!retval)) {
          __Pyx_PyThreadState_declare
          __Pyx_PyThreadState_assign
          if (!__Pyx_PyErr_Occurred()) {
              PyObject *exc = PyExc_StopIteration;
              #ifdef __Pyx_AsyncGen_USED
              if (__Pyx_AsyncGen_CheckExact(gen))
                  exc = __Pyx_PyExc_StopAsyncIteration;
              #endif
              __Pyx_PyErr_SetNone(exc);
          }
      }
      return retval;
  }
  static CYTHON_INLINE
  PyObject *__Pyx_Coroutine_FinishDelegation(__pyx_CoroutineObject *gen) {
      PyObject *ret;
      PyObject *val = NULL;
      __Pyx_Coroutine_Undelegate(gen);
      __Pyx_PyGen__FetchStopIterationValue(__Pyx_PyThreadState_Current, &val);
      ret = __Pyx_Coroutine_SendEx(gen, val, 0);
      Py_XDECREF(val);
      return ret;
  }
  static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value) {
      PyObject *retval;
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self;
      PyObject *yf = gen->yieldfrom;
      if (unlikely(gen->is_running))
          return __Pyx_Coroutine_AlreadyRunningError(gen);
      if (yf) {
          PyObject *ret;
          gen->is_running = 1;
          #ifdef __Pyx_Generator_USED
          if (__Pyx_Generator_CheckExact(yf)) {
              ret = __Pyx_Coroutine_Send(yf, value);
          } else
          #endif
          #ifdef __Pyx_Coroutine_USED
          if (__Pyx_Coroutine_CheckExact(yf)) {
              ret = __Pyx_Coroutine_Send(yf, value);
          } else
          #endif
          #ifdef __Pyx_AsyncGen_USED
          if (__pyx_PyAsyncGenASend_CheckExact(yf)) {
              ret = __Pyx_async_gen_asend_send(yf, value);
          } else
          #endif
          #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
          if (PyGen_CheckExact(yf)) {
              ret = _PyGen_Send((PyGenObject*)yf, value == Py_None ? NULL : value);
          } else
          #endif
          #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03050000 && defined(PyCoro_CheckExact) && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
          if (PyCoro_CheckExact(yf)) {
              ret = _PyGen_Send((PyGenObject*)yf, value == Py_None ? NULL : value);
          } else
          #endif
          {
              if (value == Py_None)
                  ret = Py_TYPE(yf)->tp_iternext(yf);
              else
                  ret = __Pyx_PyObject_CallMethod1(yf, __pyx_n_s_send, value);
          }
          gen->is_running = 0;
          if (likely(ret)) {
              return ret;
          }
          retval = __Pyx_Coroutine_FinishDelegation(gen);
      } else {
          retval = __Pyx_Coroutine_SendEx(gen, value, 0);
      }
      return __Pyx_Coroutine_MethodReturn(self, retval);
  }
  static int __Pyx_Coroutine_CloseIter(__pyx_CoroutineObject *gen, PyObject *yf) {
      PyObject *retval = NULL;
      int err = 0;
      #ifdef __Pyx_Generator_USED
      if (__Pyx_Generator_CheckExact(yf)) {
          retval = __Pyx_Coroutine_Close(yf);
          if (!retval)
              return -1;
      } else
      #endif
      #ifdef __Pyx_Coroutine_USED
      if (__Pyx_Coroutine_CheckExact(yf)) {
          retval = __Pyx_Coroutine_Close(yf);
          if (!retval)
              return -1;
      } else
      if (__Pyx_CoroutineAwait_CheckExact(yf)) {
          retval = __Pyx_CoroutineAwait_Close((__pyx_CoroutineAwaitObject*)yf);
          if (!retval)
              return -1;
      } else
      #endif
      #ifdef __Pyx_AsyncGen_USED
      if (__pyx_PyAsyncGenASend_CheckExact(yf)) {
          retval = __Pyx_async_gen_asend_close(yf, NULL);
      } else
      if (__pyx_PyAsyncGenAThrow_CheckExact(yf)) {
          retval = __Pyx_async_gen_athrow_close(yf, NULL);
      } else
      #endif
      {
          PyObject *meth;
          gen->is_running = 1;
          meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_close);
          if (unlikely(!meth)) {
              if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
                  PyErr_WriteUnraisable(yf);
              }
              PyErr_Clear();
          } else {
              retval = PyObject_CallFunction(meth, NULL);
              Py_DECREF(meth);
              if (!retval)
                  err = -1;
          }
          gen->is_running = 0;
      }
      Py_XDECREF(retval);
      return err;
  }
  static PyObject *__Pyx_Generator_Next(PyObject *self) {
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self;
      PyObject *yf = gen->yieldfrom;
      if (unlikely(gen->is_running))
          return __Pyx_Coroutine_AlreadyRunningError(gen);
      if (yf) {
          PyObject *ret;
          gen->is_running = 1;
          #ifdef __Pyx_Generator_USED
          if (__Pyx_Generator_CheckExact(yf)) {
              ret = __Pyx_Generator_Next(yf);
          } else
          #endif
          #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
          if (PyGen_CheckExact(yf)) {
              ret = _PyGen_Send((PyGenObject*)yf, NULL);
          } else
          #endif
              ret = Py_TYPE(yf)->tp_iternext(yf);
          gen->is_running = 0;
          if (likely(ret)) {
              return ret;
          }
          return __Pyx_Coroutine_FinishDelegation(gen);
      }
      return __Pyx_Coroutine_SendEx(gen, Py_None, 0);
  }
  static PyObject *__Pyx_Coroutine_Close(PyObject *self) {
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
      PyObject *retval, *raised_exception;
      PyObject *yf = gen->yieldfrom;
      int err = 0;
      if (unlikely(gen->is_running))
          return __Pyx_Coroutine_AlreadyRunningError(gen);
      if (yf) {
          Py_INCREF(yf);
          err = __Pyx_Coroutine_CloseIter(gen, yf);
          __Pyx_Coroutine_Undelegate(gen);
          Py_DECREF(yf);
      }
      if (err == 0)
          PyErr_SetNone(PyExc_GeneratorExit);
      retval = __Pyx_Coroutine_SendEx(gen, NULL, 1);
      if (unlikely(retval)) {
          const char *msg;
          Py_DECREF(retval);
          if ((0)) {
          #ifdef __Pyx_Coroutine_USED
          } else if (__Pyx_Coroutine_CheckExact(self)) {
              msg = "coroutine ignored GeneratorExit";
          #endif
          #ifdef __Pyx_AsyncGen_USED
          } else if (__Pyx_AsyncGen_CheckExact(self)) {
  #if PY_VERSION_HEX < 0x03060000
              msg = "async generator ignored GeneratorExit - might require Python 3.6+ finalisation (PEP 525)";
  #else
              msg = "async generator ignored GeneratorExit";
  #endif
          #endif
          } else {
              msg = "generator ignored GeneratorExit";
          }
          PyErr_SetString(PyExc_RuntimeError, msg);
          return NULL;
      }
      raised_exception = PyErr_Occurred();
      if (likely(!raised_exception || __Pyx_PyErr_GivenExceptionMatches2(raised_exception, PyExc_GeneratorExit, PyExc_StopIteration))) {
          if (raised_exception) PyErr_Clear();
          Py_INCREF(Py_None);
          return Py_None;
      }
      return NULL;
  }
  static PyObject *__Pyx__Coroutine_Throw(PyObject *self, PyObject *typ, PyObject *val, PyObject *tb,
                                          PyObject *args, int close_on_genexit) {
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
      PyObject *yf = gen->yieldfrom;
      if (unlikely(gen->is_running))
          return __Pyx_Coroutine_AlreadyRunningError(gen);
      if (yf) {
          PyObject *ret;
          Py_INCREF(yf);
          if (__Pyx_PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit) && close_on_genexit) {
              int err = __Pyx_Coroutine_CloseIter(gen, yf);
              Py_DECREF(yf);
              __Pyx_Coroutine_Undelegate(gen);
              if (err < 0)
                  return __Pyx_Coroutine_MethodReturn(self, __Pyx_Coroutine_SendEx(gen, NULL, 0));
              goto throw_here;
          }
          gen->is_running = 1;
          if (0
          #ifdef __Pyx_Generator_USED
              || __Pyx_Generator_CheckExact(yf)
          #endif
          #ifdef __Pyx_Coroutine_USED
              || __Pyx_Coroutine_CheckExact(yf)
          #endif
              ) {
              ret = __Pyx__Coroutine_Throw(yf, typ, val, tb, args, close_on_genexit);
          #ifdef __Pyx_Coroutine_USED
          } else if (__Pyx_CoroutineAwait_CheckExact(yf)) {
              ret = __Pyx__Coroutine_Throw(((__pyx_CoroutineAwaitObject*)yf)->coroutine, typ, val, tb, args, close_on_genexit);
          #endif
          } else {
              PyObject *meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_throw);
              if (unlikely(!meth)) {
                  Py_DECREF(yf);
                  if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
                      gen->is_running = 0;
                      return NULL;
                  }
                  PyErr_Clear();
                  __Pyx_Coroutine_Undelegate(gen);
                  gen->is_running = 0;
                  goto throw_here;
              }
              if (likely(args)) {
                  ret = PyObject_CallObject(meth, args);
              } else {
                  ret = PyObject_CallFunctionObjArgs(meth, typ, val, tb, NULL);
              }
              Py_DECREF(meth);
          }
          gen->is_running = 0;
          Py_DECREF(yf);
          if (!ret) {
              ret = __Pyx_Coroutine_FinishDelegation(gen);
          }
          return __Pyx_Coroutine_MethodReturn(self, ret);
      }
  throw_here:
      __Pyx_Raise(typ, val, tb, NULL);
      return __Pyx_Coroutine_MethodReturn(self, __Pyx_Coroutine_SendEx(gen, NULL, 0));
  }
  static PyObject *__Pyx_Coroutine_Throw(PyObject *self, PyObject *args) {
      PyObject *typ;
      PyObject *val = NULL;
      PyObject *tb = NULL;
      if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
          return NULL;
      return __Pyx__Coroutine_Throw(self, typ, val, tb, args, 1);
  }
  static int __Pyx_Coroutine_traverse(__pyx_CoroutineObject *gen, visitproc visit, void *arg) {
      Py_VISIT(gen->closure);
      Py_VISIT(gen->classobj);
      Py_VISIT(gen->yieldfrom);
      Py_VISIT(gen->exc_type);
      Py_VISIT(gen->exc_value);
      Py_VISIT(gen->exc_traceback);
      return 0;
  }
  static int __Pyx_Coroutine_clear(PyObject *self) {
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
      Py_CLEAR(gen->closure);
      Py_CLEAR(gen->classobj);
      Py_CLEAR(gen->yieldfrom);
      Py_CLEAR(gen->exc_type);
      Py_CLEAR(gen->exc_value);
      Py_CLEAR(gen->exc_traceback);
  #ifdef __Pyx_AsyncGen_USED
      if (__Pyx_AsyncGen_CheckExact(self)) {
          Py_CLEAR(((__pyx_PyAsyncGenObject*)gen)->ag_finalizer);
      }
  #endif
      Py_CLEAR(gen->gi_name);
      Py_CLEAR(gen->gi_qualname);
      Py_CLEAR(gen->gi_modulename);
      return 0;
  }
  static void __Pyx_Coroutine_dealloc(PyObject *self) {
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
      PyObject_GC_UnTrack(gen);
      if (gen->gi_weakreflist != NULL)
          PyObject_ClearWeakRefs(self);
      if (gen->resume_label >= 0) {
          PyObject_GC_Track(self);
  #if PY_VERSION_HEX >= 0x030400a1 && CYTHON_USE_TP_FINALIZE
          if (PyObject_CallFinalizerFromDealloc(self))
  #else
          Py_TYPE(gen)->tp_del(self);
          if (self->ob_refcnt > 0)
  #endif
          {
              return;
          }
          PyObject_GC_UnTrack(self);
      }
  #ifdef __Pyx_AsyncGen_USED
      if (__Pyx_AsyncGen_CheckExact(self)) {
          /* We have to handle this case for asynchronous generators
             right here, because this code has to be between UNTRACK
             and GC_Del. */
          Py_CLEAR(((__pyx_PyAsyncGenObject*)self)->ag_finalizer);
      }
  #endif
      __Pyx_Coroutine_clear(self);
      PyObject_GC_Del(gen);
  }
  static void __Pyx_Coroutine_del(PyObject *self) {
      PyObject *error_type, *error_value, *error_traceback;
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
      __Pyx_PyThreadState_declare
      if (gen->resume_label < 0) {
          return;
      }
  #if !CYTHON_USE_TP_FINALIZE
      assert(self->ob_refcnt == 0);
      self->ob_refcnt = 1;
  #endif
      __Pyx_PyThreadState_assign
      __Pyx_ErrFetch(&error_type, &error_value, &error_traceback);
  #ifdef __Pyx_AsyncGen_USED
      if (__Pyx_AsyncGen_CheckExact(self)) {
          __pyx_PyAsyncGenObject *agen = (__pyx_PyAsyncGenObject*)self;
          PyObject *finalizer = agen->ag_finalizer;
          if (finalizer && !agen->ag_closed) {
              PyObject *res = __Pyx_PyObject_CallOneArg(finalizer, self);
              if (unlikely(!res)) {
                  PyErr_WriteUnraisable(self);
              } else {
                  Py_DECREF(res);
              }
              __Pyx_ErrRestore(error_type, error_value, error_traceback);
              return;
          }
      }
  #endif
      if (unlikely(gen->resume_label == 0 && !error_value)) {
  #ifdef __Pyx_Coroutine_USED
  #ifdef __Pyx_Generator_USED
      if (!__Pyx_Generator_CheckExact(self))
  #endif
          {
          PyObject_GC_UnTrack(self);
  #if PY_MAJOR_VERSION >= 3  || defined(PyErr_WarnFormat)
          if (unlikely(PyErr_WarnFormat(PyExc_RuntimeWarning, 1, "coroutine '%.50S' was never awaited", gen->gi_qualname) < 0))
              PyErr_WriteUnraisable(self);
  #else
          {PyObject *msg;
          char *cmsg;
          #if CYTHON_COMPILING_IN_PYPY
          msg = NULL;
          cmsg = (char*) "coroutine was never awaited";
          #else
          char *cname;
          PyObject *qualname;
          qualname = gen->gi_qualname;
          cname = PyString_AS_STRING(qualname);
          msg = PyString_FromFormat("coroutine '%.50s' was never awaited", cname);
          if (unlikely(!msg)) {
              PyErr_Clear();
              cmsg = (char*) "coroutine was never awaited";
          } else {
              cmsg = PyString_AS_STRING(msg);
          }
          #endif
          if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, cmsg, 1) < 0))
              PyErr_WriteUnraisable(self);
          Py_XDECREF(msg);}
  #endif
          PyObject_GC_Track(self);
          }
  #endif
      } else {
          PyObject *res = __Pyx_Coroutine_Close(self);
          if (unlikely(!res)) {
              if (PyErr_Occurred())
                  PyErr_WriteUnraisable(self);
          } else {
              Py_DECREF(res);
          }
      }
      __Pyx_ErrRestore(error_type, error_value, error_traceback);
  #if !CYTHON_USE_TP_FINALIZE
      assert(self->ob_refcnt > 0);
      if (--self->ob_refcnt == 0) {
          return;
      }
      {
          Py_ssize_t refcnt = self->ob_refcnt;
          _Py_NewReference(self);
          self->ob_refcnt = refcnt;
      }
  #if CYTHON_COMPILING_IN_CPYTHON
      assert(PyType_IS_GC(self->ob_type) &&
             _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
      _Py_DEC_REFTOTAL;
  #endif
  #ifdef COUNT_ALLOCS
      --Py_TYPE(self)->tp_frees;
      --Py_TYPE(self)->tp_allocs;
  #endif
  #endif
  }
  static PyObject *
  __Pyx_Coroutine_get_name(__pyx_CoroutineObject *self)
  {
      PyObject *name = self->gi_name;
      if (unlikely(!name)) name = Py_None;
      Py_INCREF(name);
      return name;
  }
  static int
  __Pyx_Coroutine_set_name(__pyx_CoroutineObject *self, PyObject *value)
  {
      PyObject *tmp;
  #if PY_MAJOR_VERSION >= 3
      if (unlikely(value == NULL || !PyUnicode_Check(value))) {
  #else
      if (unlikely(value == NULL || !PyString_Check(value))) {
  #endif
          PyErr_SetString(PyExc_TypeError,
                          "__name__ must be set to a string object");
          return -1;
      }
      tmp = self->gi_name;
      Py_INCREF(value);
      self->gi_name = value;
      Py_XDECREF(tmp);
      return 0;
  }
  static PyObject *
  __Pyx_Coroutine_get_qualname(__pyx_CoroutineObject *self)
  {
      PyObject *name = self->gi_qualname;
      if (unlikely(!name)) name = Py_None;
      Py_INCREF(name);
      return name;
  }
  static int
  __Pyx_Coroutine_set_qualname(__pyx_CoroutineObject *self, PyObject *value)
  {
      PyObject *tmp;
  #if PY_MAJOR_VERSION >= 3
      if (unlikely(value == NULL || !PyUnicode_Check(value))) {
  #else
      if (unlikely(value == NULL || !PyString_Check(value))) {
  #endif
          PyErr_SetString(PyExc_TypeError,
                          "__qualname__ must be set to a string object");
          return -1;
      }
      tmp = self->gi_qualname;
      Py_INCREF(value);
      self->gi_qualname = value;
      Py_XDECREF(tmp);
      return 0;
  }
  static __pyx_CoroutineObject *__Pyx__Coroutine_New(
              PyTypeObject* type, __pyx_coroutine_body_t body, PyObject *closure,
              PyObject *name, PyObject *qualname, PyObject *module_name) {
      __pyx_CoroutineObject *gen = PyObject_GC_New(__pyx_CoroutineObject, type);
      if (unlikely(!gen))
          return NULL;
      return __Pyx__Coroutine_NewInit(gen, body, closure, name, qualname, module_name);
  }
  static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit(
              __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *closure,
              PyObject *name, PyObject *qualname, PyObject *module_name) {
      gen->body = body;
      gen->closure = closure;
      Py_XINCREF(closure);
      gen->is_running = 0;
      gen->resume_label = 0;
      gen->classobj = NULL;
      gen->yieldfrom = NULL;
      gen->exc_type = NULL;
      gen->exc_value = NULL;
      gen->exc_traceback = NULL;
      gen->gi_weakreflist = NULL;
      Py_XINCREF(qualname);
      gen->gi_qualname = qualname;
      Py_XINCREF(name);
      gen->gi_name = name;
      Py_XINCREF(module_name);
      gen->gi_modulename = module_name;
      PyObject_GC_Track(gen);
      return gen;
  }
  
  /* PatchModuleWithCoroutine */
                static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code) {
  #if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
      int result;
      PyObject *globals, *result_obj;
      globals = PyDict_New();  if (unlikely(!globals)) goto ignore;
      result = PyDict_SetItemString(globals, "_cython_coroutine_type",
      #ifdef __Pyx_Coroutine_USED
          (PyObject*)__pyx_CoroutineType);
      #else
          Py_None);
      #endif
      if (unlikely(result < 0)) goto ignore;
      result = PyDict_SetItemString(globals, "_cython_generator_type",
      #ifdef __Pyx_Generator_USED
          (PyObject*)__pyx_GeneratorType);
      #else
          Py_None);
      #endif
      if (unlikely(result < 0)) goto ignore;
      if (unlikely(PyDict_SetItemString(globals, "_module", module) < 0)) goto ignore;
      if (unlikely(PyDict_SetItemString(globals, "__builtins__", __pyx_b) < 0)) goto ignore;
      result_obj = PyRun_String(py_code, Py_file_input, globals, globals);
      if (unlikely(!result_obj)) goto ignore;
      Py_DECREF(result_obj);
      Py_DECREF(globals);
      return module;
  ignore:
      Py_XDECREF(globals);
      PyErr_WriteUnraisable(module);
      if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, "Cython module failed to patch module with custom type", 1) < 0)) {
          Py_DECREF(module);
          module = NULL;
      }
  #else
      py_code++;
  #endif
      return module;
  }
  
  /* PatchGeneratorABC */
                #ifndef CYTHON_REGISTER_ABCS
  #define CYTHON_REGISTER_ABCS 1
  #endif
  #if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
  static PyObject* __Pyx_patch_abc_module(PyObject *module);
  static PyObject* __Pyx_patch_abc_module(PyObject *module) {
      module = __Pyx_Coroutine_patch_module(
          module, ""
  "if _cython_generator_type is not None:\n"
  "    try: Generator = _module.Generator\n"
  "    except AttributeError: pass\n"
  "    else: Generator.register(_cython_generator_type)\n"
  "if _cython_coroutine_type is not None:\n"
  "    try: Coroutine = _module.Coroutine\n"
  "    except AttributeError: pass\n"
  "    else: Coroutine.register(_cython_coroutine_type)\n"
      );
      return module;
  }
  #endif
  static int __Pyx_patch_abc(void) {
  #if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
      static int abc_patched = 0;
      if (CYTHON_REGISTER_ABCS && !abc_patched) {
          PyObject *module;
          module = PyImport_ImportModule((PY_MAJOR_VERSION >= 3) ? "collections.abc" : "collections");
          if (!module) {
              PyErr_WriteUnraisable(NULL);
              if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning,
                      ((PY_MAJOR_VERSION >= 3) ?
                          "Cython module failed to register with collections.abc module" :
                          "Cython module failed to register with collections module"), 1) < 0)) {
                  return -1;
              }
          } else {
              module = __Pyx_patch_abc_module(module);
              abc_patched = 1;
              if (unlikely(!module))
                  return -1;
              Py_DECREF(module);
          }
          module = PyImport_ImportModule("backports_abc");
          if (module) {
              module = __Pyx_patch_abc_module(module);
              Py_XDECREF(module);
          }
          if (!module) {
              PyErr_Clear();
          }
      }
  #else
      if ((0)) __Pyx_Coroutine_patch_module(NULL, NULL);
  #endif
      return 0;
  }
  
  /* Generator */
                static PyMethodDef __pyx_Generator_methods[] = {
      {"send", (PyCFunction) __Pyx_Coroutine_Send, METH_O,
       (char*) PyDoc_STR("send(arg) -> send 'arg' into generator,\nreturn next yielded value or raise StopIteration.")},
      {"throw", (PyCFunction) __Pyx_Coroutine_Throw, METH_VARARGS,
       (char*) PyDoc_STR("throw(typ[,val[,tb]]) -> raise exception in generator,\nreturn next yielded value or raise StopIteration.")},
      {"close", (PyCFunction) __Pyx_Coroutine_Close, METH_NOARGS,
       (char*) PyDoc_STR("close() -> raise GeneratorExit inside generator.")},
      {0, 0, 0, 0}
  };
  static PyMemberDef __pyx_Generator_memberlist[] = {
      {(char *) "gi_running", T_BOOL, offsetof(__pyx_CoroutineObject, is_running), READONLY, NULL},
      {(char*) "gi_yieldfrom", T_OBJECT, offsetof(__pyx_CoroutineObject, yieldfrom), READONLY,
       (char*) PyDoc_STR("object being iterated by 'yield from', or None")},
      {0, 0, 0, 0, 0}
  };
  static PyGetSetDef __pyx_Generator_getsets[] = {
      {(char *) "__name__", (getter)__Pyx_Coroutine_get_name, (setter)__Pyx_Coroutine_set_name,
       (char*) PyDoc_STR("name of the generator"), 0},
      {(char *) "__qualname__", (getter)__Pyx_Coroutine_get_qualname, (setter)__Pyx_Coroutine_set_qualname,
       (char*) PyDoc_STR("qualified name of the generator"), 0},
      {0, 0, 0, 0, 0}
  };
  static PyTypeObject __pyx_GeneratorType_type = {
      PyVarObject_HEAD_INIT(0, 0)
      "generator",
      sizeof(__pyx_CoroutineObject),
      0,
      (destructor) __Pyx_Coroutine_dealloc,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE,
      0,
      (traverseproc) __Pyx_Coroutine_traverse,
      0,
      0,
      offsetof(__pyx_CoroutineObject, gi_weakreflist),
      0,
      (iternextfunc) __Pyx_Generator_Next,
      __pyx_Generator_methods,
      __pyx_Generator_memberlist,
      __pyx_Generator_getsets,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
  #if CYTHON_USE_TP_FINALIZE
      0,
  #else
      __Pyx_Coroutine_del,
  #endif
      0,
  #if CYTHON_USE_TP_FINALIZE
      __Pyx_Coroutine_del,
  #elif PY_VERSION_HEX >= 0x030400a1
      0,
  #endif
  };
  static int __pyx_Generator_init(void) {
      __pyx_GeneratorType_type.tp_getattro = PyObject_GenericGetAttr;
      __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
      __pyx_GeneratorType = __Pyx_FetchCommonType(&__pyx_GeneratorType_type);
      if (unlikely(!__pyx_GeneratorType)) {
          return -1;
      }
      return 0;
  }
  
  /* CheckBinaryVersion */
                static int __Pyx_check_binary_version(void) {
      char ctversion[4], rtversion[4];
      PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
      PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
      if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
          char message[200];
          PyOS_snprintf(message, sizeof(message),
                        "compiletime version %s of module '%.100s' "
                        "does not match runtime version %s",
                        ctversion, __Pyx_MODULE_NAME, rtversion);
          return PyErr_WarnEx(NULL, message, 1);
      }
      return 0;
  }
  
  /* InitStrings */
                static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
      while (t->p) {
          #if PY_MAJOR_VERSION < 3
          if (t->is_unicode) {
              *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
          } else if (t->intern) {
              *t->p = PyString_InternFromString(t->s);
          } else {
              *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
          }
          #else
          if (t->is_unicode | t->is_str) {
              if (t->intern) {
                  *t->p = PyUnicode_InternFromString(t->s);
              } else if (t->encoding) {
                  *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
              } else {
                  *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
              }
          } else {
              *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
          }
          #endif
          if (!*t->p)
              return -1;
          if (PyObject_Hash(*t->p) == -1)
              PyErr_Clear();
          ++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 const char* __Pyx_PyObject_AsString(PyObject* o) {
      Py_ssize_t ignore;
      return __Pyx_PyObject_AsStringAndSize(o, &ignore);
  }
  #if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
  #if !CYTHON_PEP393_ENABLED
  static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
      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
  static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
      if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL;
  #if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
      if (likely(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
  #endif
  static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
  #if __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)) {
          return __Pyx_PyUnicode_AsStringAndSize(o, length);
      } 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 PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) {
  #if PY_MAJOR_VERSION >= 3
      if (PyLong_Check(result)) {
          if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
                  "__int__ returned non-int (type %.200s).  "
                  "The ability to return an instance of a strict subclass of int "
                  "is deprecated, and may be removed in a future version of Python.",
                  Py_TYPE(result)->tp_name)) {
              Py_DECREF(result);
              return NULL;
          }
          return result;
      }
  #endif
      PyErr_Format(PyExc_TypeError,
                   "__%.4s__ returned non-%.4s (type %.200s)",
                   type_name, type_name, Py_TYPE(result)->tp_name);
      Py_DECREF(result);
      return NULL;
  }
  static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
  #if CYTHON_USE_TYPE_SLOTS
    PyNumberMethods *m;
  #endif
    const char *name = NULL;
    PyObject *res = NULL;
  #if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x) || PyLong_Check(x)))
  #else
    if (likely(PyLong_Check(x)))
  #endif
      return __Pyx_NewRef(x);
  #if CYTHON_USE_TYPE_SLOTS
    m = Py_TYPE(x)->tp_as_number;
    #if PY_MAJOR_VERSION < 3
    if (m && m->nb_int) {
      name = "int";
      res = m->nb_int(x);
    }
    else if (m && m->nb_long) {
      name = "long";
      res = m->nb_long(x);
    }
    #else
    if (likely(m && m->nb_int)) {
      name = "int";
      res = m->nb_int(x);
    }
    #endif
  #else
    if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) {
      res = PyNumber_Int(x);
    }
  #endif
    if (likely(res)) {
  #if PY_MAJOR_VERSION < 3
      if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) {
  #else
      if (unlikely(!PyLong_CheckExact(res))) {
  #endif
          return __Pyx_PyNumber_IntOrLongWrongResultType(res, name);
      }
    }
    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 */
  