/* Generated by Cython 0.29.32 */

/* BEGIN: Cython Metadata
{
    "distutils": {
        "depends": [],
        "extra_compile_args": [
            "-std=c++11"
        ],
        "include_dirs": [
            "C:\\b\\abs_aajqw_oq0m\\croot\\spacy_1683903441912\\_h_env\\lib\\site-packages\\numpy\\core\\include",
            "C:\\b\\abs_aajqw_oq0m\\croot\\spacy_1683903441912\\_h_env\\include"
        ],
        "language": "c++",
        "name": "spacy.tokens.graph",
        "sources": [
            "spacy/tokens/graph.pyx"
        ]
    },
    "module_name": "spacy.tokens.graph"
}
END: Cython Metadata */

#ifndef PY_SSIZE_T_CLEAN
#define PY_SSIZE_T_CLEAN
#endif /* 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_29_32"
#define CYTHON_HEX_VERSION 0x001D20F0
#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
#endif
#ifdef PYPY_VERSION
  #define CYTHON_COMPILING_IN_PYPY 1
  #define CYTHON_COMPILING_IN_PYSTON 0
  #define CYTHON_COMPILING_IN_CPYTHON 0
  #define CYTHON_COMPILING_IN_NOGIL 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
  #undef CYTHON_USE_DICT_VERSIONS
  #define CYTHON_USE_DICT_VERSIONS 0
  #undef CYTHON_USE_EXC_INFO_STACK
  #define CYTHON_USE_EXC_INFO_STACK 0
  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
    #define CYTHON_UPDATE_DESCRIPTOR_DOC (PYPY_VERSION_HEX >= 0x07030900)
  #endif
#elif defined(PYSTON_VERSION)
  #define CYTHON_COMPILING_IN_PYPY 0
  #define CYTHON_COMPILING_IN_PYSTON 1
  #define CYTHON_COMPILING_IN_CPYTHON 0
  #define CYTHON_COMPILING_IN_NOGIL 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
  #undef CYTHON_USE_DICT_VERSIONS
  #define CYTHON_USE_DICT_VERSIONS 0
  #undef CYTHON_USE_EXC_INFO_STACK
  #define CYTHON_USE_EXC_INFO_STACK 0
  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
    #define CYTHON_UPDATE_DESCRIPTOR_DOC 0
  #endif
#elif defined(PY_NOGIL)
  #define CYTHON_COMPILING_IN_PYPY 0
  #define CYTHON_COMPILING_IN_PYSTON 0
  #define CYTHON_COMPILING_IN_CPYTHON 0
  #define CYTHON_COMPILING_IN_NOGIL 1
  #ifndef CYTHON_USE_TYPE_SLOTS
    #define CYTHON_USE_TYPE_SLOTS 1
  #endif
  #undef CYTHON_USE_PYTYPE_LOOKUP
  #define CYTHON_USE_PYTYPE_LOOKUP 0
  #ifndef CYTHON_USE_ASYNC_SLOTS
    #define CYTHON_USE_ASYNC_SLOTS 1
  #endif
  #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
  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
  #endif
  #ifndef CYTHON_USE_TP_FINALIZE
    #define CYTHON_USE_TP_FINALIZE 1
  #endif
  #undef CYTHON_USE_DICT_VERSIONS
  #define CYTHON_USE_DICT_VERSIONS 0
  #undef CYTHON_USE_EXC_INFO_STACK
  #define CYTHON_USE_EXC_INFO_STACK 0
#else
  #define CYTHON_COMPILING_IN_PYPY 0
  #define CYTHON_COMPILING_IN_PYSTON 0
  #define CYTHON_COMPILING_IN_CPYTHON 1
  #define CYTHON_COMPILING_IN_NOGIL 0
  #ifndef CYTHON_USE_TYPE_SLOTS
    #define CYTHON_USE_TYPE_SLOTS 1
  #endif
  #if PY_VERSION_HEX < 0x02070000
    #undef CYTHON_USE_PYTYPE_LOOKUP
    #define CYTHON_USE_PYTYPE_LOOKUP 0
  #elif !defined(CYTHON_USE_PYTYPE_LOOKUP)
    #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 || PY_VERSION_HEX >= 0x030B00A2
    #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
  #if PY_VERSION_HEX >= 0x030B00A4
    #undef CYTHON_FAST_THREAD_STATE
    #define CYTHON_FAST_THREAD_STATE 0
  #elif !defined(CYTHON_FAST_THREAD_STATE)
    #define CYTHON_FAST_THREAD_STATE 1
  #endif
  #ifndef CYTHON_FAST_PYCALL
    #define CYTHON_FAST_PYCALL (PY_VERSION_HEX < 0x030A0000)
  #endif
  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
    #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000)
  #endif
  #ifndef CYTHON_USE_TP_FINALIZE
    #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1)
  #endif
  #ifndef CYTHON_USE_DICT_VERSIONS
    #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1)
  #endif
  #if PY_VERSION_HEX >= 0x030B00A4
    #undef CYTHON_USE_EXC_INFO_STACK
    #define CYTHON_USE_EXC_INFO_STACK 0
  #elif !defined(CYTHON_USE_EXC_INFO_STACK)
    #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3)
  #endif
  #ifndef CYTHON_UPDATE_DESCRIPTOR_DOC
    #define CYTHON_UPDATE_DESCRIPTOR_DOC 1
  #endif
#endif
#if !defined(CYTHON_FAST_PYCCALL)
#define CYTHON_FAST_PYCCALL  (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1)
#endif
#if CYTHON_USE_PYLONG_INTERNALS
  #if PY_MAJOR_VERSION < 3
    #include "longintrepr.h"
  #endif
  #undef SHIFT
  #undef BASE
  #undef MASK
  #ifdef SIZEOF_VOID_P
    enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) };
  #endif
#endif
#ifndef __has_attribute
  #define __has_attribute(x) 0
#endif
#ifndef __has_cpp_attribute
  #define __has_cpp_attribute(x) 0
#endif
#ifndef CYTHON_RESTRICT
  #if defined(__GNUC__)
    #define CYTHON_RESTRICT __restrict__
  #elif defined(_MSC_VER) && _MSC_VER >= 1400
    #define CYTHON_RESTRICT __restrict
  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define CYTHON_RESTRICT restrict
  #else
    #define CYTHON_RESTRICT
  #endif
#endif
#ifndef CYTHON_UNUSED
# if defined(__GNUC__)
#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
#     define CYTHON_UNUSED __attribute__ ((__unused__))
#   else
#     define CYTHON_UNUSED
#   endif
# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
#   define CYTHON_UNUSED __attribute__ ((__unused__))
# else
#   define CYTHON_UNUSED
# endif
#endif
#ifndef CYTHON_MAYBE_UNUSED_VAR
#  if defined(__cplusplus)
     template<class T> void CYTHON_MAYBE_UNUSED_VAR( const T& ) { }
#  else
#    define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x)
#  endif
#endif
#ifndef CYTHON_NCP_UNUSED
# if CYTHON_COMPILING_IN_CPYTHON
#  define CYTHON_NCP_UNUSED
# else
#  define CYTHON_NCP_UNUSED CYTHON_UNUSED
# endif
#endif
#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None)
#ifdef _MSC_VER
    #ifndef _MSC_STDINT_H_
        #if _MSC_VER < 1300
           typedef unsigned char     uint8_t;
           typedef unsigned int      uint32_t;
        #else
           typedef unsigned __int8   uint8_t;
           typedef unsigned __int32  uint32_t;
        #endif
    #endif
#else
   #include <stdint.h>
#endif
#ifndef CYTHON_FALLTHROUGH
  #if defined(__cplusplus) && __cplusplus >= 201103L
    #if __has_cpp_attribute(fallthrough)
      #define CYTHON_FALLTHROUGH [[fallthrough]]
    #elif __has_cpp_attribute(clang::fallthrough)
      #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
    #elif __has_cpp_attribute(gnu::fallthrough)
      #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
    #endif
  #endif
  #ifndef CYTHON_FALLTHROUGH
    #if __has_attribute(fallthrough)
      #define CYTHON_FALLTHROUGH __attribute__((fallthrough))
    #else
      #define CYTHON_FALLTHROUGH
    #endif
  #endif
  #if defined(__clang__ ) && defined(__apple_build_version__)
    #if __apple_build_version__ < 7000000
      #undef  CYTHON_FALLTHROUGH
      #define CYTHON_FALLTHROUGH
    #endif
  #endif
#endif

#ifndef __cplusplus
  #error "Cython files generated with the C++ option must be compiled with a C++ compiler."
#endif
#ifndef CYTHON_INLINE
  #if defined(__clang__)
    #define CYTHON_INLINE __inline__ __attribute__ ((__unused__))
  #else
    #define CYTHON_INLINE inline
  #endif
#endif
template<typename T>
void __Pyx_call_destructor(T& x) {
    x.~T();
}
template<typename T>
class __Pyx_FakeReference {
  public:
    __Pyx_FakeReference() : ptr(NULL) { }
    __Pyx_FakeReference(const T& ref) : ptr(const_cast<T*>(&ref)) { }
    T *operator->() { return ptr; }
    T *operator&() { return ptr; }
    operator T&() { return *ptr; }
    template<typename U> bool operator ==(U other) { return *ptr == other; }
    template<typename U> bool operator !=(U other) { return *ptr != other; }
  private:
    T *ptr;
};

#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_DefaultClassType PyType_Type
#if PY_VERSION_HEX >= 0x030B00A1
    static CYTHON_INLINE PyCodeObject* __Pyx_PyCode_New(int a, int k, int l, int s, int f,
                                                    PyObject *code, PyObject *c, PyObject* n, PyObject *v,
                                                    PyObject *fv, PyObject *cell, PyObject* fn,
                                                    PyObject *name, int fline, PyObject *lnos) {
        PyObject *kwds=NULL, *argcount=NULL, *posonlyargcount=NULL, *kwonlyargcount=NULL;
        PyObject *nlocals=NULL, *stacksize=NULL, *flags=NULL, *replace=NULL, *call_result=NULL, *empty=NULL;
        const char *fn_cstr=NULL;
        const char *name_cstr=NULL;
        PyCodeObject* co=NULL;
        PyObject *type, *value, *traceback;
        PyErr_Fetch(&type, &value, &traceback);
        if (!(kwds=PyDict_New())) goto end;
        if (!(argcount=PyLong_FromLong(a))) goto end;
        if (PyDict_SetItemString(kwds, "co_argcount", argcount) != 0) goto end;
        if (!(posonlyargcount=PyLong_FromLong(0))) goto end;
        if (PyDict_SetItemString(kwds, "co_posonlyargcount", posonlyargcount) != 0) goto end;
        if (!(kwonlyargcount=PyLong_FromLong(k))) goto end;
        if (PyDict_SetItemString(kwds, "co_kwonlyargcount", kwonlyargcount) != 0) goto end;
        if (!(nlocals=PyLong_FromLong(l))) goto end;
        if (PyDict_SetItemString(kwds, "co_nlocals", nlocals) != 0) goto end;
        if (!(stacksize=PyLong_FromLong(s))) goto end;
        if (PyDict_SetItemString(kwds, "co_stacksize", stacksize) != 0) goto end;
        if (!(flags=PyLong_FromLong(f))) goto end;
        if (PyDict_SetItemString(kwds, "co_flags", flags) != 0) goto end;
        if (PyDict_SetItemString(kwds, "co_code", code) != 0) goto end;
        if (PyDict_SetItemString(kwds, "co_consts", c) != 0) goto end;
        if (PyDict_SetItemString(kwds, "co_names", n) != 0) goto end;
        if (PyDict_SetItemString(kwds, "co_varnames", v) != 0) goto end;
        if (PyDict_SetItemString(kwds, "co_freevars", fv) != 0) goto end;
        if (PyDict_SetItemString(kwds, "co_cellvars", cell) != 0) goto end;
        if (PyDict_SetItemString(kwds, "co_linetable", lnos) != 0) goto end;
        if (!(fn_cstr=PyUnicode_AsUTF8AndSize(fn, NULL))) goto end;
        if (!(name_cstr=PyUnicode_AsUTF8AndSize(name, NULL))) goto end;
        if (!(co = PyCode_NewEmpty(fn_cstr, name_cstr, fline))) goto end;
        if (!(replace = PyObject_GetAttrString((PyObject*)co, "replace"))) goto cleanup_code_too;
        if (!(empty = PyTuple_New(0))) goto cleanup_code_too; // unfortunately __pyx_empty_tuple isn't available here
        if (!(call_result = PyObject_Call(replace, empty, kwds))) goto cleanup_code_too;
        Py_XDECREF((PyObject*)co);
        co = (PyCodeObject*)call_result;
        call_result = NULL;
        if (0) {
            cleanup_code_too:
            Py_XDECREF((PyObject*)co);
            co = NULL;
        }
        end:
        Py_XDECREF(kwds);
        Py_XDECREF(argcount);
        Py_XDECREF(posonlyargcount);
        Py_XDECREF(kwonlyargcount);
        Py_XDECREF(nlocals);
        Py_XDECREF(stacksize);
        Py_XDECREF(replace);
        Py_XDECREF(call_result);
        Py_XDECREF(empty);
        if (type) {
            PyErr_Restore(type, value, traceback);
        }
        return co;
    }
#else
  #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)
#endif
  #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
#ifndef METH_STACKLESS
  #define METH_STACKLESS 0
#endif
#if PY_VERSION_HEX <= 0x030700A3 || !defined(METH_FASTCALL)
  #ifndef METH_FASTCALL
     #define METH_FASTCALL 0x80
  #endif
  typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs);
  typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *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 | METH_STACKLESS)))))
#else
#define __Pyx_PyFastCFunction_Check(func) 0
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc)
  #define PyObject_Malloc(s)   PyMem_Malloc(s)
  #define PyObject_Free(p)     PyMem_Free(p)
  #define PyObject_Realloc(p)  PyMem_Realloc(p)
#endif
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1
  #define PyMem_RawMalloc(n)           PyMem_Malloc(n)
  #define PyMem_RawRealloc(p, n)       PyMem_Realloc(p, n)
  #define PyMem_RawFree(p)             PyMem_Free(p)
#endif
#if CYTHON_COMPILING_IN_PYSTON
  #define __Pyx_PyCode_HasFreeVars(co)  PyCode_HasFreeVars(co)
  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno)
#else
  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
#endif
#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000
  #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 PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT)
#include "pythread.h"
#define Py_tss_NEEDS_INIT 0
typedef int Py_tss_t;
static CYTHON_INLINE int PyThread_tss_create(Py_tss_t *key) {
  *key = PyThread_create_key();
  return 0;
}
static CYTHON_INLINE Py_tss_t * PyThread_tss_alloc(void) {
  Py_tss_t *key = (Py_tss_t *)PyObject_Malloc(sizeof(Py_tss_t));
  *key = Py_tss_NEEDS_INIT;
  return key;
}
static CYTHON_INLINE void PyThread_tss_free(Py_tss_t *key) {
  PyObject_Free(key);
}
static CYTHON_INLINE int PyThread_tss_is_created(Py_tss_t *key) {
  return *key != Py_tss_NEEDS_INIT;
}
static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) {
  PyThread_delete_key(*key);
  *key = Py_tss_NEEDS_INIT;
}
static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) {
  return PyThread_set_key_value(*key, value);
}
static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
  return PyThread_get_key_value(*key);
}
#endif
#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized)
#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 CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS
#define __Pyx_PyDict_GetItemStr(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
#else
#define __Pyx_PyDict_GetItemStr(dict, name)  PyDict_GetItem(dict, name)
#endif
#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
  #define CYTHON_PEP393_ENABLED 1
  #if defined(PyUnicode_IS_READY)
  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
                                              0 : _PyUnicode_Ready((PyObject *)(op)))
  #else
  #define __Pyx_PyUnicode_READY(op)       (0)
  #endif
  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, ch)
  #if defined(PyUnicode_IS_READY) && defined(PyUnicode_GET_SIZE)
  #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03090000
  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : ((PyCompactUnicodeObject *)(u))->wstr_length))
  #else
  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
  #endif
  #else
  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_LENGTH(u))
  #endif
#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
#define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
#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
#ifndef PyObject_Unicode
  #define PyObject_Unicode             PyObject_Str
#endif
#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))
#endif
#ifndef PySet_CheckExact
  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
#endif
#if PY_VERSION_HEX >= 0x030900A4
  #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt)
  #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size)
#else
  #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt)
  #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size)
#endif
#if CYTHON_ASSUME_SAFE_MACROS
  #define __Pyx_PySequence_SIZE(seq)  Py_SIZE(seq)
#else
  #define __Pyx_PySequence_SIZE(seq)  PySequence_Size(seq)
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyIntObject                  PyLongObject
  #define PyInt_Type                   PyLong_Type
  #define PyInt_Check(op)              PyLong_Check(op)
  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
  #define 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   __Pyx_PyIndex_AsHash_t
#else
  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
  #define __Pyx_PyInt_AsHash_t   __Pyx_PyIndex_AsSsize_t
#endif
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func))
#else
  #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
#endif
#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;
#endif

#if defined(_WIN32) || defined(WIN32) || defined(MS_WINDOWS)
  #if !defined(_USE_MATH_DEFINES)
    #define _USE_MATH_DEFINES
  #endif
#endif
#include <math.h>
#ifdef NAN
#define __PYX_NAN() ((float) NAN)
#else
static CYTHON_INLINE float __PYX_NAN() {
  float value;
  memset(&value, 0xFF, sizeof(value));
  return value;
}
#endif
#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL)
#define __Pyx_truncl trunc
#else
#define __Pyx_truncl truncl
#endif

#define __PYX_MARK_ERR_POS(f_index, lineno) \
    { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; }
#define __PYX_ERR(f_index, lineno, Ln_error) \
    { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; }

#ifndef __PYX_EXTERN_C
  #ifdef __cplusplus
    #define __PYX_EXTERN_C extern "C"
  #else
    #define __PYX_EXTERN_C extern
  #endif
#endif

#define __PYX_HAVE__spacy__tokens__graph
#define __PYX_HAVE_API__spacy__tokens__graph
/* Early includes */
#include "ios"
#include "new"
#include "stdexcept"
#include "typeinfo"
#include <vector>
#include <stdint.h>
#include <utility>

    #if __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1600)
    // move should be defined for these versions of MSVC, but __cplusplus isn't set usefully
    #include <type_traits>

    namespace cython_std {
    template <typename T> typename std::remove_reference<T>::type&& move(T& t) noexcept { return std::move(t); }
    template <typename T> typename std::remove_reference<T>::type&& move(T&& t) noexcept { return std::move(t); }
    }

    #endif
    
#include <unordered_set>
#include <unordered_map>
#ifdef _OPENMP
#include <omp.h>
#endif /* _OPENMP */

#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS)
#define CYTHON_WITHOUT_ASSERTIONS
#endif

typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding;
                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry;

#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0
#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8)
#define __PYX_DEFAULT_STRING_ENCODING ""
#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#define __Pyx_uchar_cast(c) ((unsigned char)c)
#define __Pyx_long_cast(x) ((long)x)
#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (\
    (sizeof(type) < sizeof(Py_ssize_t))  ||\
    (sizeof(type) > sizeof(Py_ssize_t) &&\
          likely(v < (type)PY_SSIZE_T_MAX ||\
                 v == (type)PY_SSIZE_T_MAX)  &&\
          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\
                                v == (type)PY_SSIZE_T_MIN)))  ||\
    (sizeof(type) == sizeof(Py_ssize_t) &&\
          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\
                               v == (type)PY_SSIZE_T_MAX)))  )
static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) {
    return (size_t) i < (size_t) limit;
}
#if defined (__cplusplus) && __cplusplus >= 201103L
    #include <cstdlib>
    #define __Pyx_sst_abs(value) std::abs(value)
#elif SIZEOF_INT >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) abs(value)
#elif SIZEOF_LONG >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) labs(value)
#elif defined (_MSC_VER)
    #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value))
#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define __Pyx_sst_abs(value) llabs(value)
#elif defined (__GNUC__)
    #define __Pyx_sst_abs(value) __builtin_llabs(value)
#else
    #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
#endif
static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*);
static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
#define __Pyx_PyBytes_FromString        PyBytes_FromString
#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
#if PY_MAJOR_VERSION < 3
    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#else
    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
#endif
#define __Pyx_PyBytes_AsWritableString(s)     ((char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsWritableSString(s)    ((signed char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsWritableUString(s)    ((unsigned char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsString(s)     ((const char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsSString(s)    ((const signed char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsUString(s)    ((const unsigned char*) PyBytes_AS_STRING(s))
#define __Pyx_PyObject_AsWritableString(s)    ((char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsSString(s)    ((const signed char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsUString(s)    ((const unsigned char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
#define __Pyx_PyBytes_FromCString(s)   __Pyx_PyBytes_FromString((const char*)s)
#define __Pyx_PyByteArray_FromCString(s)   __Pyx_PyByteArray_FromString((const char*)s)
#define __Pyx_PyStr_FromCString(s)     __Pyx_PyStr_FromString((const char*)s)
#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) {
    const Py_UNICODE *u_end = u;
    while (*u_end++) ;
    return (size_t)(u_end - u - 1);
}
#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj)
#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None)
static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b);
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*);
static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x);
#define __Pyx_PySequence_Tuple(obj)\
    (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj))
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
static CYTHON_INLINE Py_hash_t __Pyx_PyIndex_AsHash_t(PyObject*);
#if CYTHON_ASSUME_SAFE_MACROS
#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
#else
#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
#endif
#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
#if PY_MAJOR_VERSION >= 3
#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x))
#else
#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x))
#endif
#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x))
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
static int __Pyx_sys_getdefaultencoding_not_ascii;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    PyObject* ascii_chars_u = NULL;
    PyObject* ascii_chars_b = NULL;
    const char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    if (strcmp(default_encoding_c, "ascii") == 0) {
        __Pyx_sys_getdefaultencoding_not_ascii = 0;
    } else {
        char ascii_chars[128];
        int c;
        for (c = 0; c < 128; c++) {
            ascii_chars[c] = c;
        }
        __Pyx_sys_getdefaultencoding_not_ascii = 1;
        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
        if (!ascii_chars_u) goto bad;
        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
        if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
            PyErr_Format(
                PyExc_ValueError,
                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
                default_encoding_c);
            goto bad;
        }
        Py_DECREF(ascii_chars_u);
        Py_DECREF(ascii_chars_b);
    }
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    Py_XDECREF(ascii_chars_u);
    Py_XDECREF(ascii_chars_b);
    return -1;
}
#endif
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
#else
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
static char* __PYX_DEFAULT_STRING_ENCODING;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1);
    if (!__PYX_DEFAULT_STRING_ENCODING) goto bad;
    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    return -1;
}
#endif
#endif


/* Test for GCC > 2.95 */
#if defined(__GNUC__)     && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))
  #define likely(x)   __builtin_expect(!!(x), 1)
  #define unlikely(x) __builtin_expect(!!(x), 0)
#else /* !__GNUC__ or GCC < 2.95 */
  #define likely(x)   (x)
  #define unlikely(x) (x)
#endif /* __GNUC__ */
static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; }

static PyObject *__pyx_m = NULL;
static PyObject *__pyx_d;
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static const char *__pyx_filename;


static const char *__pyx_f[] = {
  "spacy\\tokens\\graph.pyx",
  "stringsource",
  "spacy\\tokens\\graph.pxd",
  "cymem.pxd",
  "maps.pxd",
};
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/* NoFastGil.proto */
#define __Pyx_PyGILState_Ensure PyGILState_Ensure
#define __Pyx_PyGILState_Release PyGILState_Release
#define __Pyx_FastGIL_Remember()
#define __Pyx_FastGIL_Forget()
#define __Pyx_FastGilFuncInit()


/* "preshed/maps.pxd":5
 * 
 * 
 * ctypedef uint64_t key_t             # <<<<<<<<<<<<<<
 * 
 * 
 */
typedef uint64_t __pyx_t_7preshed_4maps_key_t;

/* "typedefs.pxd":5
 * 
 * 
 * ctypedef float weight_t             # <<<<<<<<<<<<<<
 * ctypedef uint64_t hash_t
 * ctypedef uint64_t class_t
 */
typedef float __pyx_t_5spacy_8typedefs_weight_t;

/* "typedefs.pxd":6
 * 
 * ctypedef float weight_t
 * ctypedef uint64_t hash_t             # <<<<<<<<<<<<<<
 * ctypedef uint64_t class_t
 * ctypedef uint64_t attr_t
 */
typedef uint64_t __pyx_t_5spacy_8typedefs_hash_t;

/* "typedefs.pxd":7
 * ctypedef float weight_t
 * ctypedef uint64_t hash_t
 * ctypedef uint64_t class_t             # <<<<<<<<<<<<<<
 * ctypedef uint64_t attr_t
 * ctypedef uint64_t flags_t
 */
typedef uint64_t __pyx_t_5spacy_8typedefs_class_t;

/* "typedefs.pxd":8
 * ctypedef uint64_t hash_t
 * ctypedef uint64_t class_t
 * ctypedef uint64_t attr_t             # <<<<<<<<<<<<<<
 * ctypedef uint64_t flags_t
 * ctypedef uint16_t len_t
 */
typedef uint64_t __pyx_t_5spacy_8typedefs_attr_t;

/* "typedefs.pxd":9
 * ctypedef uint64_t class_t
 * ctypedef uint64_t attr_t
 * ctypedef uint64_t flags_t             # <<<<<<<<<<<<<<
 * ctypedef uint16_t len_t
 * ctypedef uint16_t tag_t
 */
typedef uint64_t __pyx_t_5spacy_8typedefs_flags_t;

/* "typedefs.pxd":10
 * ctypedef uint64_t attr_t
 * ctypedef uint64_t flags_t
 * ctypedef uint16_t len_t             # <<<<<<<<<<<<<<
 * ctypedef uint16_t tag_t
 */
typedef uint16_t __pyx_t_5spacy_8typedefs_len_t;

/* "typedefs.pxd":11
 * ctypedef uint64_t flags_t
 * ctypedef uint16_t len_t
 * ctypedef uint16_t tag_t             # <<<<<<<<<<<<<<
 */
typedef uint16_t __pyx_t_5spacy_8typedefs_tag_t;

/*--- Type declarations ---*/
struct __pyx_obj_5cymem_5cymem_PyMalloc;
struct __pyx_obj_5cymem_5cymem_PyFree;
struct __pyx_obj_5cymem_5cymem_Pool;
struct __pyx_obj_5cymem_5cymem_Address;
struct __pyx_obj_7preshed_4maps_PreshMap;
struct __pyx_obj_7preshed_4maps_PreshMapArray;
struct __pyx_obj_5spacy_6tokens_5graph_Graph;
struct __pyx_obj_5spacy_6tokens_5graph_Edge;
struct __pyx_obj_5spacy_6tokens_5graph_Node;
struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge;
struct __pyx_obj_5spacy_6tokens_5graph_NoneNode;
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__;
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads;
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails;
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads;
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails;
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_5___get__;
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_6___get__;

/* "cymem/cymem.pxd":1
 * ctypedef void* (*malloc_t)(size_t n)             # <<<<<<<<<<<<<<
 * ctypedef void (*free_t)(void *p)
 * 
 */
typedef void *(*__pyx_t_5cymem_5cymem_malloc_t)(size_t);

/* "cymem/cymem.pxd":2
 * ctypedef void* (*malloc_t)(size_t n)
 * ctypedef void (*free_t)(void *p)             # <<<<<<<<<<<<<<
 * 
 * cdef class PyMalloc:
 */
typedef void (*__pyx_t_5cymem_5cymem_free_t)(void *);
struct __pyx_t_7preshed_4maps_Cell;
struct __pyx_t_7preshed_4maps_Result;
struct __pyx_t_7preshed_4maps_MapStruct;

/* "preshed/maps.pxd":8
 * 
 * 
 * cdef struct Cell:             # <<<<<<<<<<<<<<
 *     key_t key
 *     void* value
 */
struct __pyx_t_7preshed_4maps_Cell {
  __pyx_t_7preshed_4maps_key_t key;
  void *value;
};

/* "preshed/maps.pxd":13
 * 
 * 
 * cdef struct Result:             # <<<<<<<<<<<<<<
 *     int found
 *     void* value
 */
struct __pyx_t_7preshed_4maps_Result {
  int found;
  void *value;
};

/* "preshed/maps.pxd":18
 * 
 * 
 * cdef struct MapStruct:             # <<<<<<<<<<<<<<
 *     Cell* cells
 *     void* value_for_empty_key
 */
struct __pyx_t_7preshed_4maps_MapStruct {
  struct __pyx_t_7preshed_4maps_Cell *cells;
  void *value_for_empty_key;
  void *value_for_del_key;
  __pyx_t_7preshed_4maps_key_t length;
  __pyx_t_7preshed_4maps_key_t filled;
  int is_empty_key_set;
  int is_del_key_set;
};

/* "symbols.pxd":1
 * cdef enum symbol_t:             # <<<<<<<<<<<<<<
 *     NIL
 *     IS_ALPHA
 */
enum __pyx_t_5spacy_7symbols_symbol_t {
  __pyx_e_5spacy_7symbols_NIL,
  __pyx_e_5spacy_7symbols_IS_ALPHA,
  __pyx_e_5spacy_7symbols_IS_ASCII,
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  __pyx_e_5spacy_7symbols_IS_LEFT_PUNCT,
  __pyx_e_5spacy_7symbols_IS_RIGHT_PUNCT,
  __pyx_e_5spacy_7symbols_IS_CURRENCY,
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  __pyx_e_5spacy_7symbols_FLAG20,
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  __pyx_e_5spacy_7symbols_FLAG44,
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  __pyx_e_5spacy_7symbols_FLAG52,
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  __pyx_e_5spacy_7symbols_FLAG55,
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  __pyx_e_5spacy_7symbols_FLAG61,
  __pyx_e_5spacy_7symbols_FLAG62,
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  __pyx_e_5spacy_7symbols_ORTH,
  __pyx_e_5spacy_7symbols_LOWER,
  __pyx_e_5spacy_7symbols_NORM,
  __pyx_e_5spacy_7symbols_SHAPE,
  __pyx_e_5spacy_7symbols_PREFIX,
  __pyx_e_5spacy_7symbols_SUFFIX,
  __pyx_e_5spacy_7symbols_LENGTH,
  __pyx_e_5spacy_7symbols_CLUSTER,
  __pyx_e_5spacy_7symbols_LEMMA,
  __pyx_e_5spacy_7symbols_POS,
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  __pyx_e_5spacy_7symbols_HEAD,
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  __pyx_e_5spacy_7symbols_PERSON,
  __pyx_e_5spacy_7symbols_NORP,
  __pyx_e_5spacy_7symbols_FACILITY,
  __pyx_e_5spacy_7symbols_ORG,
  __pyx_e_5spacy_7symbols_GPE,
  __pyx_e_5spacy_7symbols_LOC,
  __pyx_e_5spacy_7symbols_PRODUCT,
  __pyx_e_5spacy_7symbols_EVENT,
  __pyx_e_5spacy_7symbols_WORK_OF_ART,
  __pyx_e_5spacy_7symbols_LANGUAGE,
  __pyx_e_5spacy_7symbols_LAW,
  __pyx_e_5spacy_7symbols_DATE,
  __pyx_e_5spacy_7symbols_TIME,
  __pyx_e_5spacy_7symbols_PERCENT,
  __pyx_e_5spacy_7symbols_MONEY,
  __pyx_e_5spacy_7symbols_QUANTITY,
  __pyx_e_5spacy_7symbols_ORDINAL,
  __pyx_e_5spacy_7symbols_CARDINAL,
  __pyx_e_5spacy_7symbols_acomp,
  __pyx_e_5spacy_7symbols_advcl,
  __pyx_e_5spacy_7symbols_advmod,
  __pyx_e_5spacy_7symbols_agent,
  __pyx_e_5spacy_7symbols_amod,
  __pyx_e_5spacy_7symbols_appos,
  __pyx_e_5spacy_7symbols_attr,
  __pyx_e_5spacy_7symbols_aux,
  __pyx_e_5spacy_7symbols_auxpass,
  __pyx_e_5spacy_7symbols_cc,
  __pyx_e_5spacy_7symbols_ccomp,
  __pyx_e_5spacy_7symbols_complm,
  __pyx_e_5spacy_7symbols_conj,
  __pyx_e_5spacy_7symbols_cop,
  __pyx_e_5spacy_7symbols_csubj,
  __pyx_e_5spacy_7symbols_csubjpass,
  __pyx_e_5spacy_7symbols_dep,
  __pyx_e_5spacy_7symbols_det,
  __pyx_e_5spacy_7symbols_dobj,
  __pyx_e_5spacy_7symbols_expl,
  __pyx_e_5spacy_7symbols_hmod,
  __pyx_e_5spacy_7symbols_hyph,
  __pyx_e_5spacy_7symbols_infmod,
  __pyx_e_5spacy_7symbols_intj,
  __pyx_e_5spacy_7symbols_iobj,
  __pyx_e_5spacy_7symbols_mark,
  __pyx_e_5spacy_7symbols_meta,
  __pyx_e_5spacy_7symbols_neg,
  __pyx_e_5spacy_7symbols_nmod,
  __pyx_e_5spacy_7symbols_nn,
  __pyx_e_5spacy_7symbols_npadvmod,
  __pyx_e_5spacy_7symbols_nsubj,
  __pyx_e_5spacy_7symbols_nsubjpass,
  __pyx_e_5spacy_7symbols_num,
  __pyx_e_5spacy_7symbols_number,
  __pyx_e_5spacy_7symbols_oprd,
  __pyx_e_5spacy_7symbols_obj,
  __pyx_e_5spacy_7symbols_obl,
  __pyx_e_5spacy_7symbols_parataxis,
  __pyx_e_5spacy_7symbols_partmod,
  __pyx_e_5spacy_7symbols_pcomp,
  __pyx_e_5spacy_7symbols_pobj,
  __pyx_e_5spacy_7symbols_poss,
  __pyx_e_5spacy_7symbols_possessive,
  __pyx_e_5spacy_7symbols_preconj,
  __pyx_e_5spacy_7symbols_prep,
  __pyx_e_5spacy_7symbols_prt,
  __pyx_e_5spacy_7symbols_punct,
  __pyx_e_5spacy_7symbols_quantmod,
  __pyx_e_5spacy_7symbols_relcl,
  __pyx_e_5spacy_7symbols_rcmod,
  __pyx_e_5spacy_7symbols_root,
  __pyx_e_5spacy_7symbols_xcomp,
  __pyx_e_5spacy_7symbols_acl,
  __pyx_e_5spacy_7symbols_ENT_KB_ID,
  __pyx_e_5spacy_7symbols_MORPH,
  __pyx_e_5spacy_7symbols_ENT_ID,
  __pyx_e_5spacy_7symbols_IDX,
  __pyx_e_5spacy_7symbols__
};

/* "parts_of_speech.pxd":3
 * from . cimport symbols
 * 
 * cpdef enum univ_pos_t:             # <<<<<<<<<<<<<<
 *     NO_TAG = 0
 *     ADJ = symbols.ADJ
 */
enum __pyx_t_5spacy_15parts_of_speech_univ_pos_t {

  /* "parts_of_speech.pxd":5
 * cpdef enum univ_pos_t:
 *     NO_TAG = 0
 *     ADJ = symbols.ADJ             # <<<<<<<<<<<<<<
 *     ADP
 *     ADV
 */
  __pyx_e_5spacy_15parts_of_speech_NO_TAG = 0,
  __pyx_e_5spacy_15parts_of_speech_ADJ = __pyx_e_5spacy_7symbols_ADJ,
  __pyx_e_5spacy_15parts_of_speech_ADP,
  __pyx_e_5spacy_15parts_of_speech_ADV,
  __pyx_e_5spacy_15parts_of_speech_AUX,
  __pyx_e_5spacy_15parts_of_speech_CONJ,
  __pyx_e_5spacy_15parts_of_speech_CCONJ,
  __pyx_e_5spacy_15parts_of_speech_DET,
  __pyx_e_5spacy_15parts_of_speech_INTJ,
  __pyx_e_5spacy_15parts_of_speech_NOUN,
  __pyx_e_5spacy_15parts_of_speech_NUM,
  __pyx_e_5spacy_15parts_of_speech_PART,
  __pyx_e_5spacy_15parts_of_speech_PRON,
  __pyx_e_5spacy_15parts_of_speech_PROPN,
  __pyx_e_5spacy_15parts_of_speech_PUNCT,
  __pyx_e_5spacy_15parts_of_speech_SCONJ,
  __pyx_e_5spacy_15parts_of_speech_SYM,
  __pyx_e_5spacy_15parts_of_speech_VERB,
  __pyx_e_5spacy_15parts_of_speech_X,
  __pyx_e_5spacy_15parts_of_speech_EOL,
  __pyx_e_5spacy_15parts_of_speech_SPACE
};
struct __pyx_t_5spacy_7structs_LexemeC;
struct __pyx_t_5spacy_7structs_SpanC;
struct __pyx_t_5spacy_7structs_TokenC;
struct __pyx_t_5spacy_7structs_MorphAnalysisC;
struct __pyx_t_5spacy_7structs_KBEntryC;
struct __pyx_t_5spacy_7structs_AliasC;
struct __pyx_t_5spacy_7structs_EdgeC;
struct __pyx_t_5spacy_7structs_GraphC;

/* "structs.pxd":11
 * 
 * 
 * cdef struct LexemeC:             # <<<<<<<<<<<<<<
 *     flags_t flags
 * 
 */
struct __pyx_t_5spacy_7structs_LexemeC {
  __pyx_t_5spacy_8typedefs_flags_t flags;
  __pyx_t_5spacy_8typedefs_attr_t lang;
  __pyx_t_5spacy_8typedefs_attr_t id;
  __pyx_t_5spacy_8typedefs_attr_t length;
  __pyx_t_5spacy_8typedefs_attr_t orth;
  __pyx_t_5spacy_8typedefs_attr_t lower;
  __pyx_t_5spacy_8typedefs_attr_t norm;
  __pyx_t_5spacy_8typedefs_attr_t shape;
  __pyx_t_5spacy_8typedefs_attr_t prefix;
  __pyx_t_5spacy_8typedefs_attr_t suffix;
};

/* "structs.pxd":27
 * 
 * 
 * cdef struct SpanC:             # <<<<<<<<<<<<<<
 *     hash_t id
 *     int start
 */
struct __pyx_t_5spacy_7structs_SpanC {
  __pyx_t_5spacy_8typedefs_hash_t id;
  int start;
  int end;
  int start_char;
  int end_char;
  __pyx_t_5spacy_8typedefs_attr_t label;
  __pyx_t_5spacy_8typedefs_attr_t kb_id;
};

/* "structs.pxd":37
 * 
 * 
 * cdef struct TokenC:             # <<<<<<<<<<<<<<
 *     const LexemeC* lex
 *     uint64_t morph
 */
struct __pyx_t_5spacy_7structs_TokenC {
  struct __pyx_t_5spacy_7structs_LexemeC const *lex;
  uint64_t morph;
  enum __pyx_t_5spacy_15parts_of_speech_univ_pos_t pos;
  int spacy;
  __pyx_t_5spacy_8typedefs_attr_t tag;
  int idx;
  __pyx_t_5spacy_8typedefs_attr_t lemma;
  __pyx_t_5spacy_8typedefs_attr_t norm;
  int head;
  __pyx_t_5spacy_8typedefs_attr_t dep;
  uint32_t l_kids;
  uint32_t r_kids;
  uint32_t l_edge;
  uint32_t r_edge;
  int sent_start;
  int ent_iob;
  __pyx_t_5spacy_8typedefs_attr_t ent_type;
  __pyx_t_5spacy_8typedefs_attr_t ent_kb_id;
  __pyx_t_5spacy_8typedefs_hash_t ent_id;
};

/* "structs.pxd":61
 * 
 * 
 * cdef struct MorphAnalysisC:             # <<<<<<<<<<<<<<
 *     hash_t key
 *     int length
 */
struct __pyx_t_5spacy_7structs_MorphAnalysisC {
  __pyx_t_5spacy_8typedefs_hash_t key;
  int length;
  __pyx_t_5spacy_8typedefs_attr_t *fields;
  __pyx_t_5spacy_8typedefs_attr_t *features;
};

/* "structs.pxd":70
 * 
 * # Internal struct, for storage and disambiguation of entities.
 * cdef struct KBEntryC:             # <<<<<<<<<<<<<<
 * 
 *     # The hash of this entry's unique ID/name in the kB
 */
struct __pyx_t_5spacy_7structs_KBEntryC {
  __pyx_t_5spacy_8typedefs_hash_t entity_hash;
  int32_t vector_index;
  int32_t feats_row;
  float freq;
};

/* "structs.pxd":89
 * # Each alias struct stores a list of Entry pointers with their prior probabilities
 * # for this specific mention/alias.
 * cdef struct AliasC:             # <<<<<<<<<<<<<<
 * 
 *     # All entry candidates for this alias
 */
struct __pyx_t_5spacy_7structs_AliasC {
  std::vector<int64_t>  entry_indices;
  std::vector<float>  probs;
};

/* "structs.pxd":98
 * 
 * 
 * cdef struct EdgeC:             # <<<<<<<<<<<<<<
 *     hash_t label
 *     int32_t head
 */
struct __pyx_t_5spacy_7structs_EdgeC {
  __pyx_t_5spacy_8typedefs_hash_t label;
  int32_t head;
  int32_t tail;
};

/* "structs.pxd":104
 * 
 * 
 * cdef struct GraphC:             # <<<<<<<<<<<<<<
 *     vector[vector[int32_t]] nodes
 *     vector[EdgeC] edges
 */
struct __pyx_t_5spacy_7structs_GraphC {
  std::vector<std::vector<int32_t> >  nodes;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC>  edges;
  std::vector<float>  weights;
  std::vector<int>  n_heads;
  std::vector<int>  n_tails;
  std::vector<int>  first_head;
  std::vector<int>  first_tail;
  std::unordered_set<int>  *roots;
  std::unordered_map<__pyx_t_5spacy_8typedefs_hash_t,int>  *node_map;
  std::unordered_map<__pyx_t_5spacy_8typedefs_hash_t,int>  *edge_map;
};
struct __pyx_ctuple_int__and_int;
typedef struct __pyx_ctuple_int__and_int __pyx_ctuple_int__and_int;

/* "spacy/tokens/graph.pyx":232
 *             yield Node(self.graph, i)
 * 
 *     cdef (int, int) _get_range(self, i, n):             # <<<<<<<<<<<<<<
 *         if i is None:
 *             return (0, n)
 */
struct __pyx_ctuple_int__and_int {
  int f0;
  int f1;
};

/* "cymem/cymem.pxd":4
 * ctypedef void (*free_t)(void *p)
 * 
 * cdef class PyMalloc:             # <<<<<<<<<<<<<<
 *     cdef malloc_t malloc
 *     cdef void _set(self, malloc_t malloc)
 */
struct __pyx_obj_5cymem_5cymem_PyMalloc {
  PyObject_HEAD
  struct __pyx_vtabstruct_5cymem_5cymem_PyMalloc *__pyx_vtab;
  __pyx_t_5cymem_5cymem_malloc_t malloc;
};


/* "cymem/cymem.pxd":10
 * cdef PyMalloc WrapMalloc(malloc_t malloc)
 * 
 * cdef class PyFree:             # <<<<<<<<<<<<<<
 *     cdef free_t free
 *     cdef void _set(self, free_t free)
 */
struct __pyx_obj_5cymem_5cymem_PyFree {
  PyObject_HEAD
  struct __pyx_vtabstruct_5cymem_5cymem_PyFree *__pyx_vtab;
  __pyx_t_5cymem_5cymem_free_t free;
};


/* "cymem/cymem.pxd":16
 * cdef PyFree WrapFree(free_t free)
 * 
 * cdef class Pool:             # <<<<<<<<<<<<<<
 *     cdef readonly size_t size
 *     cdef readonly dict addresses
 */
struct __pyx_obj_5cymem_5cymem_Pool {
  PyObject_HEAD
  struct __pyx_vtabstruct_5cymem_5cymem_Pool *__pyx_vtab;
  size_t size;
  PyObject *addresses;
  PyObject *refs;
  struct __pyx_obj_5cymem_5cymem_PyMalloc *pymalloc;
  struct __pyx_obj_5cymem_5cymem_PyFree *pyfree;
};


/* "cymem/cymem.pxd":28
 * 
 * 
 * cdef class Address:             # <<<<<<<<<<<<<<
 *     cdef void* ptr
 *     cdef readonly PyMalloc pymalloc
 */
struct __pyx_obj_5cymem_5cymem_Address {
  PyObject_HEAD
  void *ptr;
  struct __pyx_obj_5cymem_5cymem_PyMalloc *pymalloc;
  struct __pyx_obj_5cymem_5cymem_PyFree *pyfree;
};


/* "preshed/maps.pxd":45
 * 
 * 
 * cdef class PreshMap:             # <<<<<<<<<<<<<<
 *     cdef MapStruct* c_map
 *     cdef Pool mem
 */
struct __pyx_obj_7preshed_4maps_PreshMap {
  PyObject_HEAD
  struct __pyx_vtabstruct_7preshed_4maps_PreshMap *__pyx_vtab;
  struct __pyx_t_7preshed_4maps_MapStruct *c_map;
  struct __pyx_obj_5cymem_5cymem_Pool *mem;
};


/* "preshed/maps.pxd":53
 * 
 * 
 * cdef class PreshMapArray:             # <<<<<<<<<<<<<<
 *     cdef Pool mem
 *     cdef MapStruct* maps
 */
struct __pyx_obj_7preshed_4maps_PreshMapArray {
  PyObject_HEAD
  struct __pyx_vtabstruct_7preshed_4maps_PreshMapArray *__pyx_vtab;
  struct __pyx_obj_5cymem_5cymem_Pool *mem;
  struct __pyx_t_7preshed_4maps_MapStruct *maps;
  size_t length;
};


/* "spacy/tokens/graph.pxd":7
 * 
 * 
 * cdef class Graph:             # <<<<<<<<<<<<<<
 *     cdef GraphC c
 *     cdef Pool mem
 */
struct __pyx_obj_5spacy_6tokens_5graph_Graph {
  PyObject_HEAD
  struct __pyx_t_5spacy_7structs_GraphC c;
  struct __pyx_obj_5cymem_5cymem_Pool *mem;
  struct __pyx_obj_7preshed_4maps_PreshMap *node_map;
  struct __pyx_obj_7preshed_4maps_PreshMap *edge_map;
  PyObject *doc_ref;
  PyObject *name;
};


/* "spacy/tokens/graph.pyx":21
 * 
 * @cython.freelist(8)
 * cdef class Edge:             # <<<<<<<<<<<<<<
 *     cdef readonly Graph graph
 *     cdef readonly int i
 */
struct __pyx_obj_5spacy_6tokens_5graph_Edge {
  PyObject_HEAD
  struct __pyx_obj_5spacy_6tokens_5graph_Graph *graph;
  int i;
};


/* "spacy/tokens/graph.pyx":59
 * 
 * @cython.freelist(8)
 * cdef class Node:             # <<<<<<<<<<<<<<
 *     cdef readonly Graph graph
 *     cdef readonly int i
 */
struct __pyx_obj_5spacy_6tokens_5graph_Node {
  PyObject_HEAD
  struct __pyx_vtabstruct_5spacy_6tokens_5graph_Node *__pyx_vtab;
  struct __pyx_obj_5spacy_6tokens_5graph_Graph *graph;
  int i;
};


/* "spacy/tokens/graph.pyx":271
 * 
 * 
 * cdef class NoneEdge(Edge):             # <<<<<<<<<<<<<<
 *     """An Edge subclass, representing a non-result. The NoneEdge has the same
 *     API as other Edge instances, but always returns NoneEdge, NoneNode, or empty
 */
struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge {
  struct __pyx_obj_5spacy_6tokens_5graph_Edge __pyx_base;
};


/* "spacy/tokens/graph.pyx":305
 * 
 * 
 * cdef class NoneNode(Node):             # <<<<<<<<<<<<<<
 *     def __init__(self, graph):
 *         self.graph = graph
 */
struct __pyx_obj_5spacy_6tokens_5graph_NoneNode {
  struct __pyx_obj_5spacy_6tokens_5graph_Node __pyx_base;
};


/* "spacy/tokens/graph.pyx":85
 *             return self.i == other.i
 * 
 *     def __iter__(self) -> Generator[int]:             # <<<<<<<<<<<<<<
 *         for i in self.graph.c.nodes[self.i]:
 *             yield i
 */
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__ {
  PyObject_HEAD
  int32_t __pyx_v_i;
  struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self;
  std::vector<int32_t> ::iterator __pyx_t_0;
  std::vector<int32_t>  *__pyx_t_1;
};


/* "spacy/tokens/graph.pyx":220
 *         return [Edge(self.graph, i) for i in edge_indices]
 * 
 *     def walk_heads(self):             # <<<<<<<<<<<<<<
 *         cdef vector[int] node_indices
 *         walk_head_nodes(node_indices, &self.graph.c, self.i)
 */
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads {
  PyObject_HEAD
  int __pyx_v_i;
  std::vector<int>  __pyx_v_node_indices;
  struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self;
  std::vector<int> ::iterator __pyx_t_0;
};


/* "spacy/tokens/graph.pyx":226
 *             yield Node(self.graph, i)
 * 
 *     def walk_tails(self):             # <<<<<<<<<<<<<<
 *         cdef vector[int] node_indices
 *         walk_tail_nodes(node_indices, &self.graph.c, self.i)
 */
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails {
  PyObject_HEAD
  int __pyx_v_i;
  std::vector<int>  __pyx_v_node_indices;
  struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self;
  std::vector<int> ::iterator __pyx_t_0;
};


/* "spacy/tokens/graph.pyx":334
 *         return self
 * 
 *     def walk_heads(self):             # <<<<<<<<<<<<<<
 *         yield from []
 * 
 */
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads {
  PyObject_HEAD
  struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self;
};


/* "spacy/tokens/graph.pyx":337
 *         yield from []
 * 
 *     def walk_tails(self):             # <<<<<<<<<<<<<<
 *         yield from []
 * 
 */
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails {
  PyObject_HEAD
  struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self;
};


/* "spacy/tokens/graph.pyx":421
 * 
 *     @property
 *     def edges(self) -> Generator[Edge]:             # <<<<<<<<<<<<<<
 *         """Iterate over the edges in the graph."""
 *         for i in range(self.c.edges.size()):
 */
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_5___get__ {
  PyObject_HEAD
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_v_i;
  struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_0;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_1;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_2;
};


/* "spacy/tokens/graph.pyx":427
 * 
 *     @property
 *     def nodes(self) -> Generator[Node]:             # <<<<<<<<<<<<<<
 *         """Iterate over the nodes in the graph."""
 *         for i in range(self.c.nodes.size()):
 */
struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_6___get__ {
  PyObject_HEAD
  std::vector<std::vector<int32_t> > ::size_type __pyx_v_i;
  struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self;
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  std::vector<std::vector<int32_t> > ::size_type __pyx_t_1;
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};



/* "cymem/cymem.pxd":4
 * ctypedef void (*free_t)(void *p)
 * 
 * cdef class PyMalloc:             # <<<<<<<<<<<<<<
 *     cdef malloc_t malloc
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 */

struct __pyx_vtabstruct_5cymem_5cymem_PyMalloc {
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};
static struct __pyx_vtabstruct_5cymem_5cymem_PyMalloc *__pyx_vtabptr_5cymem_5cymem_PyMalloc;


/* "cymem/cymem.pxd":10
 * cdef PyMalloc WrapMalloc(malloc_t malloc)
 * 
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struct __pyx_vtabstruct_5cymem_5cymem_PyFree {
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static struct __pyx_vtabstruct_5cymem_5cymem_PyFree *__pyx_vtabptr_5cymem_5cymem_PyFree;


/* "cymem/cymem.pxd":16
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 * 
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 *     cdef readonly dict addresses
 */

struct __pyx_vtabstruct_5cymem_5cymem_Pool {
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  void (*free)(struct __pyx_obj_5cymem_5cymem_Pool *, void *);
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};
static struct __pyx_vtabstruct_5cymem_5cymem_Pool *__pyx_vtabptr_5cymem_5cymem_Pool;


/* "preshed/maps.pxd":45
 * 
 * 
 * cdef class PreshMap:             # <<<<<<<<<<<<<<
 *     cdef MapStruct* c_map
 *     cdef Pool mem
 */

struct __pyx_vtabstruct_7preshed_4maps_PreshMap {
  void *(*get)(struct __pyx_obj_7preshed_4maps_PreshMap *, __pyx_t_7preshed_4maps_key_t);
  void (*set)(struct __pyx_obj_7preshed_4maps_PreshMap *, __pyx_t_7preshed_4maps_key_t, void *);
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static struct __pyx_vtabstruct_7preshed_4maps_PreshMap *__pyx_vtabptr_7preshed_4maps_PreshMap;


/* "preshed/maps.pxd":53
 * 
 * 
 * cdef class PreshMapArray:             # <<<<<<<<<<<<<<
 *     cdef Pool mem
 *     cdef MapStruct* maps
 */

struct __pyx_vtabstruct_7preshed_4maps_PreshMapArray {
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  void (*set)(struct __pyx_obj_7preshed_4maps_PreshMapArray *, size_t, __pyx_t_7preshed_4maps_key_t, void *);
};
static struct __pyx_vtabstruct_7preshed_4maps_PreshMapArray *__pyx_vtabptr_7preshed_4maps_PreshMapArray;


/* "spacy/tokens/graph.pyx":59
 * 
 * @cython.freelist(8)
 * cdef class Node:             # <<<<<<<<<<<<<<
 *     cdef readonly Graph graph
 *     cdef readonly int i
 */

struct __pyx_vtabstruct_5spacy_6tokens_5graph_Node {
  __pyx_ctuple_int__and_int (*_get_range)(struct __pyx_obj_5spacy_6tokens_5graph_Node *, PyObject *, PyObject *);
  int (*_find_edge)(struct __pyx_obj_5spacy_6tokens_5graph_Node *, PyObject *, int, int, PyObject *);
  int (*_find_edges)(struct __pyx_obj_5spacy_6tokens_5graph_Node *, std::vector<int>  &, PyObject *, PyObject *);
};
static struct __pyx_vtabstruct_5spacy_6tokens_5graph_Node *__pyx_vtabptr_5spacy_6tokens_5graph_Node;


/* "spacy/tokens/graph.pyx":305
 * 
 * 
 * cdef class NoneNode(Node):             # <<<<<<<<<<<<<<
 *     def __init__(self, graph):
 *         self.graph = graph
 */

struct __pyx_vtabstruct_5spacy_6tokens_5graph_NoneNode {
  struct __pyx_vtabstruct_5spacy_6tokens_5graph_Node __pyx_base;
};
static struct __pyx_vtabstruct_5spacy_6tokens_5graph_NoneNode *__pyx_vtabptr_5spacy_6tokens_5graph_NoneNode;

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/* PyCFunctionFastCall.proto */
#if CYTHON_FAST_PYCCALL
static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs);
#else
#define __Pyx_PyCFunction_FastCall(func, args, nargs)  (assert(0), NULL)
#endif

/* PyFunctionFastCall.proto */
#if CYTHON_FAST_PYCALL
#define __Pyx_PyFunction_FastCall(func, args, nargs)\
    __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL)
#if 1 || PY_VERSION_HEX < 0x030600B1
static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs);
#else
#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs)
#endif
#define __Pyx_BUILD_ASSERT_EXPR(cond)\
    (sizeof(char [1 - 2*!(cond)]) - 1)
#ifndef Py_MEMBER_SIZE
#define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member)
#endif
#if CYTHON_FAST_PYCALL
  static size_t __pyx_pyframe_localsplus_offset = 0;
  #include "frameobject.h"
#if PY_VERSION_HEX >= 0x030b00a6
  #ifndef Py_BUILD_CORE
    #define Py_BUILD_CORE 1
  #endif
  #include "internal/pycore_frame.h"
#endif
  #define __Pxy_PyFrame_Initialize_Offsets()\
    ((void)__Pyx_BUILD_ASSERT_EXPR(sizeof(PyFrameObject) == offsetof(PyFrameObject, f_localsplus) + Py_MEMBER_SIZE(PyFrameObject, f_localsplus)),\
     (void)(__pyx_pyframe_localsplus_offset = ((size_t)PyFrame_Type.tp_basicsize) - Py_MEMBER_SIZE(PyFrameObject, f_localsplus)))
  #define __Pyx_PyFrame_GetLocalsplus(frame)\
    (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset))
#endif // CYTHON_FAST_PYCALL
#endif

/* PyObjectCallMethO.proto */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
#endif

/* PyObjectCallOneArg.proto */
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);

/* RaiseException.proto */
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);

/* 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);
        __Pyx_SET_SIZE(list, len + 1);
        return 0;
    }
    return PyList_Append(list, x);
}
#else
#define __Pyx_ListComp_Append(L,x) PyList_Append(L,x)
#endif

/* PyObjectCallNoArg.proto */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
#else
#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL)
#endif

/* ListExtend.proto */
static CYTHON_INLINE int __Pyx_PyList_Extend(PyObject* L, PyObject* v) {
#if CYTHON_COMPILING_IN_CPYTHON
    PyObject* none = _PyList_Extend((PyListObject*)L, v);
    if (unlikely(!none))
        return -1;
    Py_DECREF(none);
    return 0;
#else
    return PyList_SetSlice(L, PY_SSIZE_T_MAX, PY_SSIZE_T_MAX, v);
#endif
}

/* 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);

/* PyIntBinop.proto */
#if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check);
#else
#define __Pyx_PyInt_AddObjC(op1, op2, intval, inplace, zerodivision_check)\
    (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2))
#endif

/* WriteUnraisableException.proto */
static void __Pyx_WriteUnraisable(const char *name, int clineno,
                                  int lineno, const char *filename,
                                  int full_traceback, int nogil);

/* IncludeStringH.proto */
#include <string.h>

/* BytesEquals.proto */
static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals);

/* UnicodeEquals.proto */
static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals);

/* StrEquals.proto */
#if PY_MAJOR_VERSION >= 3
#define __Pyx_PyString_Equals __Pyx_PyUnicode_Equals
#else
#define __Pyx_PyString_Equals __Pyx_PyBytes_Equals
#endif

/* SliceObject.proto */
static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(
        PyObject* obj, 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);

/* ExtTypeTest.proto */
static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type);

/* FetchCommonType.proto */
static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type);

/* GetTopmostException.proto */
#if CYTHON_USE_EXC_INFO_STACK
static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate);
#endif

/* 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

/* 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

/* PyObjectCall2Args.proto */
static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2);

/* PyObjectGetMethod.proto */
static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method);

/* PyObjectCallMethod1.proto */
static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg);

/* CoroutineBase.proto */
typedef PyObject *(*__pyx_coroutine_body_t)(PyObject *, PyThreadState *, PyObject *);
#if CYTHON_USE_EXC_INFO_STACK
#define __Pyx_ExcInfoStruct  _PyErr_StackItem
#else
typedef struct {
    PyObject *exc_type;
    PyObject *exc_value;
    PyObject *exc_traceback;
} __Pyx_ExcInfoStruct;
#endif
typedef struct {
    PyObject_HEAD
    __pyx_coroutine_body_t body;
    PyObject *closure;
    __Pyx_ExcInfoStruct gi_exc_state;
    PyObject *gi_weakreflist;
    PyObject *classobj;
    PyObject *yieldfrom;
    PyObject *gi_name;
    PyObject *gi_qualname;
    PyObject *gi_modulename;
    PyObject *gi_code;
    PyObject *gi_frame;
    int resume_label;
    char is_running;
} __pyx_CoroutineObject;
static __pyx_CoroutineObject *__Pyx__Coroutine_New(
    PyTypeObject *type, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
    PyObject *name, PyObject *qualname, PyObject *module_name);
static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit(
            __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
            PyObject *name, PyObject *qualname, PyObject *module_name);
static CYTHON_INLINE void __Pyx_Coroutine_ExceptionClear(__Pyx_ExcInfoStruct *self);
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);
#if CYTHON_USE_EXC_INFO_STACK
#define __Pyx_Coroutine_SwapException(self)
#define __Pyx_Coroutine_ResetAndClearException(self)  __Pyx_Coroutine_ExceptionClear(&(self)->gi_exc_state)
#else
#define __Pyx_Coroutine_SwapException(self) {\
    __Pyx_ExceptionSwap(&(self)->gi_exc_state.exc_type, &(self)->gi_exc_state.exc_value, &(self)->gi_exc_state.exc_traceback);\
    __Pyx_Coroutine_ResetFrameBackpointer(&(self)->gi_exc_state);\
    }
#define __Pyx_Coroutine_ResetAndClearException(self) {\
    __Pyx_ExceptionReset((self)->gi_exc_state.exc_type, (self)->gi_exc_state.exc_value, (self)->gi_exc_state.exc_traceback);\
    (self)->gi_exc_state.exc_type = (self)->gi_exc_state.exc_value = (self)->gi_exc_state.exc_traceback = NULL;\
    }
#endif
#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_ExcInfoStruct *exc_state);

/* PyObject_GenericGetAttrNoDict.proto */
#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name);
#else
#define __Pyx_PyObject_GenericGetAttrNoDict PyObject_GenericGetAttr
#endif

/* 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, code, closure, name, qualname, module_name)\
    __Pyx__Coroutine_New(__pyx_GeneratorType, body, code, closure, name, qualname, module_name)
static PyObject *__Pyx_Generator_Next(PyObject *self);
static int __pyx_Generator_init(void);

/* GeneratorYieldFrom.proto */
static CYTHON_INLINE PyObject* __Pyx_Generator_Yield_From(__pyx_CoroutineObject *gen, PyObject *source);

/* PySequenceContains.proto */
static CYTHON_INLINE int __Pyx_PySequence_ContainsTF(PyObject* item, PyObject* seq, int eq) {
    int result = PySequence_Contains(seq, item);
    return unlikely(result < 0) ? result : (result == (eq == Py_EQ));
}

/* Import.proto */
static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);

/* ImportFrom.proto */
static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name);

/* HasAttr.proto */
static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *);

/* PyObject_GenericGetAttr.proto */
#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name);
#else
#define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr
#endif

/* PyObjectGetAttrStrNoError.proto */
static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name);

/* SetupReduce.proto */
static int __Pyx_setup_reduce(PyObject* type_obj);

/* SetVTable.proto */
static int __Pyx_SetVtable(PyObject *dict, void *vtable);

/* TypeImport.proto */
#ifndef __PYX_HAVE_RT_ImportType_proto
#define __PYX_HAVE_RT_ImportType_proto
enum __Pyx_ImportType_CheckSize {
   __Pyx_ImportType_CheckSize_Error = 0,
   __Pyx_ImportType_CheckSize_Warn = 1,
   __Pyx_ImportType_CheckSize_Ignore = 2
};
static PyTypeObject *__Pyx_ImportType(PyObject* module, const char *module_name, const char *class_name, size_t size, enum __Pyx_ImportType_CheckSize check_size);
#endif

/* GetVTable.proto */
static void* __Pyx_GetVtable(PyObject *dict);

/* CythonFunctionShared.proto */
#define __Pyx_CyFunction_USED 1
#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;
    size_t defaults_size;  // used by FusedFunction for copying defaults
    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_Check(obj)  (__Pyx_TypeCheck(obj, __pyx_CyFunctionType))
static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject* op, 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);

/* CythonFunction.proto */
static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml,
                                      int flags, PyObject* qualname,
                                      PyObject *closure,
                                      PyObject *module, PyObject *globals,
                                      PyObject* code);

/* DictGetItem.proto */
#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key);
#define __Pyx_PyObject_Dict_GetItem(obj, name)\
    (likely(PyDict_CheckExact(obj)) ?\
     __Pyx_PyDict_GetItem(obj, name) : PyObject_GetItem(obj, name))
#else
#define __Pyx_PyDict_GetItem(d, key) PyObject_GetItem(d, key)
#define __Pyx_PyObject_Dict_GetItem(obj, name)  PyObject_GetItem(obj, name)
#endif

/* 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);

/* GCCDiagnostics.proto */
#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
#define __Pyx_HAS_GCC_DIAGNOSTIC
#endif

/* CppExceptionConversion.proto */
#ifndef __Pyx_CppExn2PyErr
#include <new>
#include <typeinfo>
#include <stdexcept>
#include <ios>
static void __Pyx_CppExn2PyErr() {
  try {
    if (PyErr_Occurred())
      ; // let the latest Python exn pass through and ignore the current one
    else
      throw;
  } catch (const std::bad_alloc& exn) {
    PyErr_SetString(PyExc_MemoryError, exn.what());
  } catch (const std::bad_cast& exn) {
    PyErr_SetString(PyExc_TypeError, exn.what());
  } catch (const std::bad_typeid& exn) {
    PyErr_SetString(PyExc_TypeError, exn.what());
  } catch (const std::domain_error& exn) {
    PyErr_SetString(PyExc_ValueError, exn.what());
  } catch (const std::invalid_argument& exn) {
    PyErr_SetString(PyExc_ValueError, exn.what());
  } catch (const std::ios_base::failure& exn) {
    PyErr_SetString(PyExc_IOError, exn.what());
  } catch (const std::out_of_range& exn) {
    PyErr_SetString(PyExc_IndexError, exn.what());
  } catch (const std::overflow_error& exn) {
    PyErr_SetString(PyExc_OverflowError, exn.what());
  } catch (const std::range_error& exn) {
    PyErr_SetString(PyExc_ArithmeticError, exn.what());
  } catch (const std::underflow_error& exn) {
    PyErr_SetString(PyExc_ArithmeticError, exn.what());
  } catch (const std::exception& exn) {
    PyErr_SetString(PyExc_RuntimeError, exn.what());
  }
  catch (...)
  {
    PyErr_SetString(PyExc_RuntimeError, "Unknown exception");
  }
}
#endif

/* None.proto */
#include <new>

/* CIntToPy.proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);

/* CIntFromPy.proto */
static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);

/* CIntFromPy.proto */
static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);

/* CIntToPy.proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int32_t(int32_t value);

/* CIntToPy.proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint64_t(uint64_t value);

/* CIntToPy.proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);

/* CIntFromPy.proto */
static CYTHON_INLINE size_t __Pyx_PyInt_As_size_t(PyObject *);

/* CIntFromPy.proto */
static CYTHON_INLINE int32_t __Pyx_PyInt_As_int32_t(PyObject *);

/* CIntFromPy.proto */
static CYTHON_INLINE uint64_t __Pyx_PyInt_As_uint64_t(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
#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)

/* CheckBinaryVersion.proto */
static int __Pyx_check_binary_version(void);

/* FunctionImport.proto */
static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig);

/* InitStrings.proto */
static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);

static __pyx_ctuple_int__and_int __pyx_f_5spacy_6tokens_5graph_4Node__get_range(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_n); /* proto*/
static int __pyx_f_5spacy_6tokens_5graph_4Node__find_edge(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_direction, int __pyx_v_start, int __pyx_v_end, PyObject *__pyx_v_label); /* proto*/
static int __pyx_f_5spacy_6tokens_5graph_4Node__find_edges(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, std::vector<int>  &__pyx_v_edge_indices, PyObject *__pyx_v_direction, PyObject *__pyx_v_label); /* proto*/

/* Module declarations from 'libcpp.vector' */

/* Module declarations from 'cymem.cymem' */
static PyTypeObject *__pyx_ptype_5cymem_5cymem_PyMalloc = 0;
static PyTypeObject *__pyx_ptype_5cymem_5cymem_PyFree = 0;
static PyTypeObject *__pyx_ptype_5cymem_5cymem_Pool = 0;
static PyTypeObject *__pyx_ptype_5cymem_5cymem_Address = 0;

/* Module declarations from 'libc.stdint' */

/* Module declarations from 'preshed.maps' */
static PyTypeObject *__pyx_ptype_7preshed_4maps_PreshMap = 0;
static PyTypeObject *__pyx_ptype_7preshed_4maps_PreshMapArray = 0;
static struct __pyx_t_7preshed_4maps_Result (*__pyx_f_7preshed_4maps_map_get_unless_missing)(struct __pyx_t_7preshed_4maps_MapStruct const *, __pyx_t_7preshed_4maps_key_t const ); /*proto*/

/* Module declarations from 'libcpp.utility' */

/* Module declarations from 'libcpp.unordered_set' */

/* Module declarations from 'libcpp.unordered_map' */

/* Module declarations from 'spacy.typedefs' */

/* Module declarations from 'spacy' */

/* Module declarations from 'spacy.symbols' */

/* Module declarations from 'spacy.parts_of_speech' */

/* Module declarations from 'spacy.structs' */

/* Module declarations from 'libcpp.pair' */

/* Module declarations from 'cython' */

/* Module declarations from 'murmurhash.mrmr' */
static uint64_t (*__pyx_f_10murmurhash_4mrmr_hash64)(void *, int, uint64_t); /*proto*/

/* Module declarations from 'spacy.tokens.graph' */
static PyTypeObject *__pyx_ptype_5spacy_6tokens_5graph_Graph = 0;
static PyTypeObject *__pyx_ptype_5spacy_6tokens_5graph_Edge = 0;
static PyTypeObject *__pyx_ptype_5spacy_6tokens_5graph_Node = 0;
static PyTypeObject *__pyx_ptype_5spacy_6tokens_5graph_NoneEdge = 0;
static PyTypeObject *__pyx_ptype_5spacy_6tokens_5graph_NoneNode = 0;
static PyTypeObject *__pyx_ptype_5spacy_6tokens_5graph___pyx_scope_struct____iter__ = 0;
static PyTypeObject *__pyx_ptype_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads = 0;
static PyTypeObject *__pyx_ptype_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails = 0;
static PyTypeObject *__pyx_ptype_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads = 0;
static PyTypeObject *__pyx_ptype_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails = 0;
static PyTypeObject *__pyx_ptype_5spacy_6tokens_5graph___pyx_scope_struct_5___get__ = 0;
static PyTypeObject *__pyx_ptype_5spacy_6tokens_5graph___pyx_scope_struct_6___get__ = 0;
static int __pyx_f_5spacy_6tokens_5graph_add_edge(struct __pyx_t_5spacy_7structs_GraphC *, struct __pyx_t_5spacy_7structs_EdgeC, float); /*proto*/
static int __pyx_f_5spacy_6tokens_5graph_get_edge(struct __pyx_t_5spacy_7structs_GraphC const *, struct __pyx_t_5spacy_7structs_EdgeC); /*proto*/
static int __pyx_f_5spacy_6tokens_5graph_add_node(struct __pyx_t_5spacy_7structs_GraphC *, std::vector<int32_t>  &); /*proto*/
static int __pyx_f_5spacy_6tokens_5graph_get_node(struct __pyx_t_5spacy_7structs_GraphC const *, std::vector<int32_t> ); /*proto*/
static int __pyx_f_5spacy_6tokens_5graph_get_head_nodes(std::vector<int>  &, struct __pyx_t_5spacy_7structs_GraphC const *, int); /*proto*/
static int __pyx_f_5spacy_6tokens_5graph_get_tail_nodes(std::vector<int>  &, struct __pyx_t_5spacy_7structs_GraphC const *, int); /*proto*/
static int __pyx_f_5spacy_6tokens_5graph_get_head_edges(std::vector<int>  &, struct __pyx_t_5spacy_7structs_GraphC const *, int); /*proto*/
static int __pyx_f_5spacy_6tokens_5graph_get_tail_edges(std::vector<int>  &, struct __pyx_t_5spacy_7structs_GraphC const *, int); /*proto*/
static int __pyx_f_5spacy_6tokens_5graph_walk_head_nodes(std::vector<int>  &, struct __pyx_t_5spacy_7structs_GraphC const *, int); /*proto*/
static int __pyx_f_5spacy_6tokens_5graph_walk_tail_nodes(std::vector<int>  &, struct __pyx_t_5spacy_7structs_GraphC const *, int); /*proto*/
static PyObject *__pyx_f_5spacy_6tokens_5graph___pyx_unpickle_Edge__set_state(struct __pyx_obj_5spacy_6tokens_5graph_Edge *, PyObject *); /*proto*/
static PyObject *__pyx_f_5spacy_6tokens_5graph___pyx_unpickle_Node__set_state(struct __pyx_obj_5spacy_6tokens_5graph_Node *, PyObject *); /*proto*/
static PyObject *__pyx_f_5spacy_6tokens_5graph___pyx_unpickle_NoneEdge__set_state(struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge *, PyObject *); /*proto*/
static PyObject *__pyx_f_5spacy_6tokens_5graph___pyx_unpickle_NoneNode__set_state(struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *, PyObject *); /*proto*/
static PyObject *__pyx_convert_vector_to_py_int(const std::vector<int>  &); /*proto*/
#define __Pyx_MODULE_NAME "spacy.tokens.graph"
extern int __pyx_module_is_main_spacy__tokens__graph;
int __pyx_module_is_main_spacy__tokens__graph = 0;

/* Implementation of 'spacy.tokens.graph' */
static PyObject *__pyx_builtin_IndexError;
static PyObject *__pyx_builtin_zip;
static PyObject *__pyx_builtin_range;
static PyObject *__pyx_builtin_TypeError;
static const char __pyx_k_c[] = "c";
static const char __pyx_k_e[] = "e";
static const char __pyx_k_h[] = "h";
static const char __pyx_k_i[] = "i";
static const char __pyx_k__3[] = "";
static const char __pyx_k_doc[] = "doc";
static const char __pyx_k_end[] = "end";
static const char __pyx_k_get[] = "__get__";
static const char __pyx_k_idx[] = "idx";
static const char __pyx_k_new[] = "__new__";
static const char __pyx_k_ref[] = "ref";
static const char __pyx_k_zip[] = "zip";
static const char __pyx_k_Edge[] = "Edge";
static const char __pyx_k_List[] = "List";
static const char __pyx_k_Node[] = "Node";
static const char __pyx_k_args[] = "args";
static const char __pyx_k_dict[] = "__dict__";
static const char __pyx_k_head[] = "head";
static const char __pyx_k_iter[] = "__iter__";
static const char __pyx_k_main[] = "__main__";
static const char __pyx_k_name[] = "name";
static const char __pyx_k_node[] = "node";
static const char __pyx_k_self[] = "self";
static const char __pyx_k_send[] = "send";
static const char __pyx_k_tail[] = "tail";
static const char __pyx_k_test[] = "__test__";
static const char __pyx_k_E1034[] = "E1034";
static const char __pyx_k_E1035[] = "E1035";
static const char __pyx_k_E1036[] = "E1036";
static const char __pyx_k_Graph[] = "Graph";
static const char __pyx_k_Token[] = "Token";
static const char __pyx_k_Tuple[] = "Tuple";
static const char __pyx_k_close[] = "close";
static const char __pyx_k_edges[] = "edges";
static const char __pyx_k_graph[] = "graph";
static const char __pyx_k_heads[] = "heads";
static const char __pyx_k_label[] = "label";
static const char __pyx_k_nodes[] = "nodes";
static const char __pyx_k_range[] = "range";
static const char __pyx_k_start[] = "start";
static const char __pyx_k_state[] = "state";
static const char __pyx_k_tails[] = "tails";
static const char __pyx_k_throw[] = "throw";
static const char __pyx_k_token[] = "token";
static const char __pyx_k_vocab[] = "vocab";
static const char __pyx_k_Errors[] = "Errors";
static const char __pyx_k_as_int[] = "as_int";
static const char __pyx_k_dict_2[] = "_dict";
static const char __pyx_k_format[] = "format";
static const char __pyx_k_headed[] = "headed";
static const char __pyx_k_import[] = "__import__";
static const char __pyx_k_labels[] = "labels";
static const char __pyx_k_length[] = "length";
static const char __pyx_k_n_head[] = "n_head";
static const char __pyx_k_n_tail[] = "n_tail";
static const char __pyx_k_name_2[] = "__name__";
static const char __pyx_k_pickle[] = "pickle";
static const char __pyx_k_reduce[] = "__reduce__";
static const char __pyx_k_return[] = "return";
static const char __pyx_k_tailed[] = "tailed";
static const char __pyx_k_typing[] = "typing";
static const char __pyx_k_update[] = "update";
static const char __pyx_k_weight[] = "weight";
static const char __pyx_k_headeds[] = "headeds";
static const char __pyx_k_indices[] = "indices";
static const char __pyx_k_is_none[] = "is_none";
static const char __pyx_k_sibling[] = "sibling";
static const char __pyx_k_strings[] = "strings";
static const char __pyx_k_taileds[] = "taileds";
static const char __pyx_k_weakref[] = "weakref";
static const char __pyx_k_weights[] = "weights";
static const char __pyx_k_NoneEdge[] = "NoneEdge";
static const char __pyx_k_NoneNode[] = "NoneNode";
static const char __pyx_k_add_edge[] = "add_edge";
static const char __pyx_k_add_node[] = "add_node";
static const char __pyx_k_get_edge[] = "get_edge";
static const char __pyx_k_get_node[] = "get_node";
static const char __pyx_k_getstate[] = "__getstate__";
static const char __pyx_k_has_edge[] = "has_edge";
static const char __pyx_k_has_node[] = "has_node";
static const char __pyx_k_pyx_type[] = "__pyx_type";
static const char __pyx_k_setstate[] = "__setstate__";
static const char __pyx_k_siblings[] = "siblings";
static const char __pyx_k_Generator[] = "Generator";
static const char __pyx_k_Node_head[] = "Node.head";
static const char __pyx_k_Node_tail[] = "Node.tail";
static const char __pyx_k_TypeError[] = "TypeError";
static const char __pyx_k_head_node[] = "head_node";
static const char __pyx_k_pyx_state[] = "__pyx_state";
static const char __pyx_k_reduce_ex[] = "__reduce_ex__";
static const char __pyx_k_tail_node[] = "tail_node";
static const char __pyx_k_IndexError[] = "IndexError";
static const char __pyx_k_Node_heads[] = "Node.heads";
static const char __pyx_k_Node_tails[] = "Node.tails";
static const char __pyx_k_edge_index[] = "edge_index";
static const char __pyx_k_find_range[] = "_find_range";
static const char __pyx_k_label_hash[] = "label_hash";
static const char __pyx_k_node_index[] = "node_index";
static const char __pyx_k_pyx_result[] = "__pyx_result";
static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
static const char __pyx_k_walk_heads[] = "walk_heads";
static const char __pyx_k_walk_tails[] = "walk_tails";
static const char __pyx_k_Graph___get[] = "Graph.__get__";
static const char __pyx_k_Node___iter[] = "Node.__iter__";
static const char __pyx_k_Node_headed[] = "Node.headed";
static const char __pyx_k_Node_tailed[] = "Node.tailed";
static const char __pyx_k_PickleError[] = "PickleError";
static const char __pyx_k_Node_headeds[] = "Node.headeds";
static const char __pyx_k_Node_sibling[] = "Node.sibling";
static const char __pyx_k_Node_taileds[] = "Node.taileds";
static const char __pyx_k_edge_indices[] = "edge_indices";
static const char __pyx_k_node_indices[] = "node_indices";
static const char __pyx_k_pyx_checksum[] = "__pyx_checksum";
static const char __pyx_k_stringsource[] = "stringsource";
static const char __pyx_k_use_setstate[] = "use_setstate";
static const char __pyx_k_weight_float[] = "weight_float";
static const char __pyx_k_Node_siblings[] = "Node.siblings";
static const char __pyx_k_NoneNode_head[] = "NoneNode.head";
static const char __pyx_k_NoneNode_tail[] = "NoneNode.tail";
static const char __pyx_k_get_string_id[] = "get_string_id";
static const char __pyx_k_reduce_cython[] = "__reduce_cython__";
static const char __pyx_k_Graph_add_edge[] = "Graph.add_edge";
static const char __pyx_k_Graph_add_node[] = "Graph.add_node";
static const char __pyx_k_Graph_get_edge[] = "Graph.get_edge";
static const char __pyx_k_Graph_get_node[] = "Graph.get_node";
static const char __pyx_k_Graph_has_edge[] = "Graph.has_edge";
static const char __pyx_k_Graph_has_node[] = "Graph.has_node";
static const char __pyx_k_Node_walk_heads[] = "Node.walk_heads";
static const char __pyx_k_Node_walk_tails[] = "Node.walk_tails";
static const char __pyx_k_pyx_PickleError[] = "__pyx_PickleError";
static const char __pyx_k_setstate_cython[] = "__setstate_cython__";
static const char __pyx_k_pyx_unpickle_Edge[] = "__pyx_unpickle_Edge";
static const char __pyx_k_pyx_unpickle_Node[] = "__pyx_unpickle_Node";
static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback";
static const char __pyx_k_spacy_tokens_graph[] = "spacy.tokens.graph";
static const char __pyx_k_NoneNode_walk_heads[] = "NoneNode.walk_heads";
static const char __pyx_k_NoneNode_walk_tails[] = "NoneNode.walk_tails";
static const char __pyx_k_Edge___reduce_cython[] = "Edge.__reduce_cython__";
static const char __pyx_k_Node___reduce_cython[] = "Node.__reduce_cython__";
static const char __pyx_k_Graph___reduce_cython[] = "Graph.__reduce_cython__";
static const char __pyx_k_pyx_unpickle_NoneEdge[] = "__pyx_unpickle_NoneEdge";
static const char __pyx_k_pyx_unpickle_NoneNode[] = "__pyx_unpickle_NoneNode";
static const char __pyx_k_Edge___setstate_cython[] = "Edge.__setstate_cython__";
static const char __pyx_k_Node___setstate_cython[] = "Node.__setstate_cython__";
static const char __pyx_k_spacy_tokens_graph_pyx[] = "spacy\\tokens\\graph.pyx";
static const char __pyx_k_Graph___setstate_cython[] = "Graph.__setstate_cython__";
static const char __pyx_k_NoneEdge___reduce_cython[] = "NoneEdge.__reduce_cython__";
static const char __pyx_k_NoneNode___reduce_cython[] = "NoneNode.__reduce_cython__";
static const char __pyx_k_NoneEdge___setstate_cython[] = "NoneEdge.__setstate_cython__";
static const char __pyx_k_NoneNode___setstate_cython[] = "NoneNode.__setstate_cython__";
static const char __pyx_k_self_c_cannot_be_converted_to_a[] = "self.c cannot be converted to a Python object for pickling";
static const char __pyx_k_Incompatible_checksums_0x_x_vs_0[] = "Incompatible checksums (0x%x vs (0xef36067, 0x805f675, 0x9d7efe7) = (graph, i))";
static PyObject *__pyx_n_s_E1034;
static PyObject *__pyx_n_s_E1035;
static PyObject *__pyx_n_s_E1036;
static PyObject *__pyx_n_s_Edge;
static PyObject *__pyx_n_s_Edge___reduce_cython;
static PyObject *__pyx_n_s_Edge___setstate_cython;
static PyObject *__pyx_n_s_Errors;
static PyObject *__pyx_n_s_Generator;
static PyObject *__pyx_n_s_Graph;
static PyObject *__pyx_n_s_Graph___get;
static PyObject *__pyx_n_s_Graph___reduce_cython;
static PyObject *__pyx_n_s_Graph___setstate_cython;
static PyObject *__pyx_n_s_Graph_add_edge;
static PyObject *__pyx_n_s_Graph_add_node;
static PyObject *__pyx_n_s_Graph_get_edge;
static PyObject *__pyx_n_s_Graph_get_node;
static PyObject *__pyx_n_s_Graph_has_edge;
static PyObject *__pyx_n_s_Graph_has_node;
static PyObject *__pyx_kp_s_Incompatible_checksums_0x_x_vs_0;
static PyObject *__pyx_n_s_IndexError;
static PyObject *__pyx_n_s_List;
static PyObject *__pyx_n_s_Node;
static PyObject *__pyx_n_u_Node;
static PyObject *__pyx_n_s_Node___iter;
static PyObject *__pyx_n_s_Node___reduce_cython;
static PyObject *__pyx_n_s_Node___setstate_cython;
static PyObject *__pyx_n_s_Node_head;
static PyObject *__pyx_n_s_Node_headed;
static PyObject *__pyx_n_s_Node_headeds;
static PyObject *__pyx_n_s_Node_heads;
static PyObject *__pyx_n_s_Node_sibling;
static PyObject *__pyx_n_s_Node_siblings;
static PyObject *__pyx_n_s_Node_tail;
static PyObject *__pyx_n_s_Node_tailed;
static PyObject *__pyx_n_s_Node_taileds;
static PyObject *__pyx_n_s_Node_tails;
static PyObject *__pyx_n_s_Node_walk_heads;
static PyObject *__pyx_n_s_Node_walk_tails;
static PyObject *__pyx_n_s_NoneEdge;
static PyObject *__pyx_n_s_NoneEdge___reduce_cython;
static PyObject *__pyx_n_s_NoneEdge___setstate_cython;
static PyObject *__pyx_n_s_NoneNode;
static PyObject *__pyx_n_s_NoneNode___reduce_cython;
static PyObject *__pyx_n_s_NoneNode___setstate_cython;
static PyObject *__pyx_n_s_NoneNode_head;
static PyObject *__pyx_n_s_NoneNode_tail;
static PyObject *__pyx_n_s_NoneNode_walk_heads;
static PyObject *__pyx_n_s_NoneNode_walk_tails;
static PyObject *__pyx_n_s_PickleError;
static PyObject *__pyx_n_s_Token;
static PyObject *__pyx_n_s_Tuple;
static PyObject *__pyx_n_s_TypeError;
static PyObject *__pyx_kp_s__3;
static PyObject *__pyx_n_s_add_edge;
static PyObject *__pyx_n_s_add_node;
static PyObject *__pyx_n_s_args;
static PyObject *__pyx_n_s_as_int;
static PyObject *__pyx_n_s_c;
static PyObject *__pyx_n_s_cline_in_traceback;
static PyObject *__pyx_n_s_close;
static PyObject *__pyx_n_s_dict;
static PyObject *__pyx_n_s_dict_2;
static PyObject *__pyx_n_s_doc;
static PyObject *__pyx_n_s_e;
static PyObject *__pyx_n_s_edge_index;
static PyObject *__pyx_n_s_edge_indices;
static PyObject *__pyx_n_s_edges;
static PyObject *__pyx_n_s_end;
static PyObject *__pyx_n_s_find_range;
static PyObject *__pyx_n_s_format;
static PyObject *__pyx_n_s_get;
static PyObject *__pyx_n_s_get_edge;
static PyObject *__pyx_n_s_get_node;
static PyObject *__pyx_n_s_get_string_id;
static PyObject *__pyx_n_s_getstate;
static PyObject *__pyx_n_s_graph;
static PyObject *__pyx_n_s_h;
static PyObject *__pyx_n_s_has_edge;
static PyObject *__pyx_n_s_has_node;
static PyObject *__pyx_n_s_head;
static PyObject *__pyx_n_s_head_node;
static PyObject *__pyx_n_s_headed;
static PyObject *__pyx_n_s_headeds;
static PyObject *__pyx_n_s_heads;
static PyObject *__pyx_n_s_i;
static PyObject *__pyx_n_s_idx;
static PyObject *__pyx_n_s_import;
static PyObject *__pyx_n_s_indices;
static PyObject *__pyx_n_s_is_none;
static PyObject *__pyx_n_s_iter;
static PyObject *__pyx_n_s_label;
static PyObject *__pyx_n_s_label_hash;
static PyObject *__pyx_n_s_labels;
static PyObject *__pyx_n_s_length;
static PyObject *__pyx_n_s_main;
static PyObject *__pyx_n_s_n_head;
static PyObject *__pyx_n_s_n_tail;
static PyObject *__pyx_n_s_name;
static PyObject *__pyx_n_s_name_2;
static PyObject *__pyx_n_s_new;
static PyObject *__pyx_n_s_node;
static PyObject *__pyx_n_s_node_index;
static PyObject *__pyx_n_s_node_indices;
static PyObject *__pyx_n_s_nodes;
static PyObject *__pyx_n_s_pickle;
static PyObject *__pyx_n_s_pyx_PickleError;
static PyObject *__pyx_n_s_pyx_checksum;
static PyObject *__pyx_n_s_pyx_result;
static PyObject *__pyx_n_s_pyx_state;
static PyObject *__pyx_n_s_pyx_type;
static PyObject *__pyx_n_s_pyx_unpickle_Edge;
static PyObject *__pyx_n_s_pyx_unpickle_Node;
static PyObject *__pyx_n_s_pyx_unpickle_NoneEdge;
static PyObject *__pyx_n_s_pyx_unpickle_NoneNode;
static PyObject *__pyx_n_s_pyx_vtable;
static PyObject *__pyx_n_s_range;
static PyObject *__pyx_n_s_reduce;
static PyObject *__pyx_n_s_reduce_cython;
static PyObject *__pyx_n_s_reduce_ex;
static PyObject *__pyx_n_s_ref;
static PyObject *__pyx_n_s_return;
static PyObject *__pyx_n_s_self;
static PyObject *__pyx_kp_s_self_c_cannot_be_converted_to_a;
static PyObject *__pyx_n_s_send;
static PyObject *__pyx_n_s_setstate;
static PyObject *__pyx_n_s_setstate_cython;
static PyObject *__pyx_n_s_sibling;
static PyObject *__pyx_n_s_siblings;
static PyObject *__pyx_n_s_spacy_tokens_graph;
static PyObject *__pyx_kp_s_spacy_tokens_graph_pyx;
static PyObject *__pyx_n_s_start;
static PyObject *__pyx_n_s_state;
static PyObject *__pyx_n_s_strings;
static PyObject *__pyx_kp_s_stringsource;
static PyObject *__pyx_n_s_tail;
static PyObject *__pyx_n_s_tail_node;
static PyObject *__pyx_n_s_tailed;
static PyObject *__pyx_n_s_taileds;
static PyObject *__pyx_n_s_tails;
static PyObject *__pyx_n_s_test;
static PyObject *__pyx_n_s_throw;
static PyObject *__pyx_n_s_token;
static PyObject *__pyx_n_s_typing;
static PyObject *__pyx_n_s_update;
static PyObject *__pyx_n_s_use_setstate;
static PyObject *__pyx_n_s_vocab;
static PyObject *__pyx_n_s_walk_heads;
static PyObject *__pyx_n_s_walk_tails;
static PyObject *__pyx_n_s_weakref;
static PyObject *__pyx_n_s_weight;
static PyObject *__pyx_n_s_weight_float;
static PyObject *__pyx_n_s_weights;
static PyObject *__pyx_n_s_zip;
static int __pyx_pf_5spacy_6tokens_5graph_4Edge___init__(struct __pyx_obj_5spacy_6tokens_5graph_Edge *__pyx_v_self, struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_graph, int __pyx_v_i); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Edge_7is_none___get__(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_Edge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Edge_3doc___get__(struct __pyx_obj_5spacy_6tokens_5graph_Edge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Edge_4head___get__(struct __pyx_obj_5spacy_6tokens_5graph_Edge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Edge_4tail___get__(struct __pyx_obj_5spacy_6tokens_5graph_Edge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Edge_5label___get__(struct __pyx_obj_5spacy_6tokens_5graph_Edge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Edge_6weight___get__(struct __pyx_obj_5spacy_6tokens_5graph_Edge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Edge_6label____get__(struct __pyx_obj_5spacy_6tokens_5graph_Edge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Edge_5graph___get__(struct __pyx_obj_5spacy_6tokens_5graph_Edge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Edge_1i___get__(struct __pyx_obj_5spacy_6tokens_5graph_Edge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Edge_2__reduce_cython__(struct __pyx_obj_5spacy_6tokens_5graph_Edge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Edge_4__setstate_cython__(struct __pyx_obj_5spacy_6tokens_5graph_Edge *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */
static int __pyx_pf_5spacy_6tokens_5graph_4Node___init__(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_graph, int __pyx_v_i); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_2__eq__(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_other); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_4__iter__(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_7__getitem__(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, int __pyx_v_i); /* proto */
static Py_ssize_t __pyx_pf_5spacy_6tokens_5graph_4Node_9__len__(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_7is_none___get__(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_3doc___get__(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_6tokens___get__(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_11head(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_13tail(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_15sibling(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_17heads(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_19tails(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_21siblings(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_23headed(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_25tailed(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_27headeds(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_29taileds(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_31walk_heads(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_34walk_tails(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_5graph___get__(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_1i___get__(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_37__reduce_cython__(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4Node_39__setstate_cython__(struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */
static int __pyx_pf_5spacy_6tokens_5graph_8NoneEdge___init__(struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge *__pyx_v_self, PyObject *__pyx_v_graph); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneEdge_3doc___get__(struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneEdge_4head___get__(struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneEdge_4tail___get__(struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneEdge_5label___get__(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneEdge_6weight___get__(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneEdge_6label____get__(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneEdge_2__reduce_cython__(struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneEdge_4__setstate_cython__(struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */
static int __pyx_pf_5spacy_6tokens_5graph_8NoneNode___init__(struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self, PyObject *__pyx_v_graph); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneNode_2__getitem__(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self, CYTHON_UNUSED int __pyx_v_i); /* proto */
static Py_ssize_t __pyx_pf_5spacy_6tokens_5graph_8NoneNode_4__len__(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneNode_7is_none___get__(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneNode_3doc___get__(struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneNode_6tokens___get__(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneNode_6head(struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_i, CYTHON_UNUSED PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneNode_8tail(struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_i, CYTHON_UNUSED PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneNode_10walk_heads(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneNode_13walk_tails(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneNode_16__reduce_cython__(struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_8NoneNode_18__setstate_cython__(struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */
static int __pyx_pf_5spacy_6tokens_5graph_5Graph___init__(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self, PyObject *__pyx_v_doc, PyObject *__pyx_v_name, PyObject *__pyx_v_nodes, PyObject *__pyx_v_edges, PyObject *__pyx_v_labels, PyObject *__pyx_v_weights); /* proto */
static void __pyx_pf_5spacy_6tokens_5graph_5Graph_2__dealloc__(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_5Graph_3doc___get__(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_5Graph_5edges___get__(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_5Graph_5nodes___get__(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_5Graph_4add_edge(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self, PyObject *__pyx_v_head, PyObject *__pyx_v_tail, PyObject *__pyx_v_label, PyObject *__pyx_v_weight); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_5Graph_6get_edge(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self, PyObject *__pyx_v_head, PyObject *__pyx_v_tail, PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_5Graph_8has_edge(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self, PyObject *__pyx_v_head, PyObject *__pyx_v_tail, PyObject *__pyx_v_label); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_5Graph_10add_node(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self, PyObject *__pyx_v_indices); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_5Graph_12get_node(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self, PyObject *__pyx_v_indices); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_5Graph_14has_node(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self, PyObject *__pyx_v_indices); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_5Graph_4name___get__(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self); /* proto */
static int __pyx_pf_5spacy_6tokens_5graph_5Graph_4name_2__set__(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
static int __pyx_pf_5spacy_6tokens_5graph_5Graph_4name_4__del__(struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_5Graph_16__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_5Graph_18__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_5spacy_6tokens_5graph_Graph *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph___pyx_unpickle_Edge(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v___pyx_type, long __pyx_v___pyx_checksum, PyObject *__pyx_v___pyx_state); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_2__pyx_unpickle_Node(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v___pyx_type, long __pyx_v___pyx_checksum, PyObject *__pyx_v___pyx_state); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_4__pyx_unpickle_NoneEdge(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v___pyx_type, long __pyx_v___pyx_checksum, PyObject *__pyx_v___pyx_state); /* proto */
static PyObject *__pyx_pf_5spacy_6tokens_5graph_6__pyx_unpickle_NoneNode(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v___pyx_type, long __pyx_v___pyx_checksum, PyObject *__pyx_v___pyx_state); /* proto */
static PyObject *__pyx_tp_new_5spacy_6tokens_5graph_Graph(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_5spacy_6tokens_5graph_Edge(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
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static PyObject *__pyx_tp_new_5spacy_6tokens_5graph_NoneEdge(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_5spacy_6tokens_5graph_NoneNode(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
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static PyObject *__pyx_tp_new_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
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static PyObject *__pyx_tp_new_5spacy_6tokens_5graph___pyx_scope_struct_6___get__(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
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 *         edge_index = graph.edges.size()
 *         graph.edge_map.insert(pair[hash_t, int](key, edge_index))
 *         graph.edges.push_back(edge)             # <<<<<<<<<<<<<<
 *         if graph.n_tails[edge.head] == 0:
 *             graph.first_tail[edge.head] = edge_index
 */
    try {
      __pyx_v_graph->edges.push_back(__pyx_v_edge);
    } catch(...) {
      #ifdef WITH_THREAD
      PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
      #endif
      __Pyx_CppExn2PyErr();
      #ifdef WITH_THREAD
      __Pyx_PyGILState_Release(__pyx_gilstate_save);
      #endif
      __PYX_ERR(0, 522, __pyx_L1_error)
    }

    /* "spacy/tokens/graph.pyx":523
 *         graph.edge_map.insert(pair[hash_t, int](key, edge_index))
 *         graph.edges.push_back(edge)
 *         if graph.n_tails[edge.head] == 0:             # <<<<<<<<<<<<<<
 *             graph.first_tail[edge.head] = edge_index
 *         if graph.n_heads[edge.tail] == 0:
 */
    __pyx_t_1 = (((__pyx_v_graph->n_tails[__pyx_v_edge.head]) == 0) != 0);
    if (__pyx_t_1) {

      /* "spacy/tokens/graph.pyx":524
 *         graph.edges.push_back(edge)
 *         if graph.n_tails[edge.head] == 0:
 *             graph.first_tail[edge.head] = edge_index             # <<<<<<<<<<<<<<
 *         if graph.n_heads[edge.tail] == 0:
 *             graph.first_head[edge.tail] = edge_index
 */
      (__pyx_v_graph->first_tail[__pyx_v_edge.head]) = __pyx_v_edge_index;

      /* "spacy/tokens/graph.pyx":523
 *         graph.edge_map.insert(pair[hash_t, int](key, edge_index))
 *         graph.edges.push_back(edge)
 *         if graph.n_tails[edge.head] == 0:             # <<<<<<<<<<<<<<
 *             graph.first_tail[edge.head] = edge_index
 *         if graph.n_heads[edge.tail] == 0:
 */
    }

    /* "spacy/tokens/graph.pyx":525
 *         if graph.n_tails[edge.head] == 0:
 *             graph.first_tail[edge.head] = edge_index
 *         if graph.n_heads[edge.tail] == 0:             # <<<<<<<<<<<<<<
 *             graph.first_head[edge.tail] = edge_index
 *         graph.n_tails[edge.head] += 1
 */
    __pyx_t_1 = (((__pyx_v_graph->n_heads[__pyx_v_edge.tail]) == 0) != 0);
    if (__pyx_t_1) {

      /* "spacy/tokens/graph.pyx":526
 *             graph.first_tail[edge.head] = edge_index
 *         if graph.n_heads[edge.tail] == 0:
 *             graph.first_head[edge.tail] = edge_index             # <<<<<<<<<<<<<<
 *         graph.n_tails[edge.head] += 1
 *         graph.n_heads[edge.tail] += 1
 */
      (__pyx_v_graph->first_head[__pyx_v_edge.tail]) = __pyx_v_edge_index;

      /* "spacy/tokens/graph.pyx":525
 *         if graph.n_tails[edge.head] == 0:
 *             graph.first_tail[edge.head] = edge_index
 *         if graph.n_heads[edge.tail] == 0:             # <<<<<<<<<<<<<<
 *             graph.first_head[edge.tail] = edge_index
 *         graph.n_tails[edge.head] += 1
 */
    }

    /* "spacy/tokens/graph.pyx":527
 *         if graph.n_heads[edge.tail] == 0:
 *             graph.first_head[edge.tail] = edge_index
 *         graph.n_tails[edge.head] += 1             # <<<<<<<<<<<<<<
 *         graph.n_heads[edge.tail] += 1
 *         graph.weights.push_back(weight)
 */
    __pyx_t_4 = __pyx_v_edge.head;
    (__pyx_v_graph->n_tails[__pyx_t_4]) = ((__pyx_v_graph->n_tails[__pyx_t_4]) + 1);

    /* "spacy/tokens/graph.pyx":528
 *             graph.first_head[edge.tail] = edge_index
 *         graph.n_tails[edge.head] += 1
 *         graph.n_heads[edge.tail] += 1             # <<<<<<<<<<<<<<
 *         graph.weights.push_back(weight)
 *         # If we had the tail marked as a root, remove it.
 */
    __pyx_t_4 = __pyx_v_edge.tail;
    (__pyx_v_graph->n_heads[__pyx_t_4]) = ((__pyx_v_graph->n_heads[__pyx_t_4]) + 1);

    /* "spacy/tokens/graph.pyx":529
 *         graph.n_tails[edge.head] += 1
 *         graph.n_heads[edge.tail] += 1
 *         graph.weights.push_back(weight)             # <<<<<<<<<<<<<<
 *         # If we had the tail marked as a root, remove it.
 *         tail_root_index = graph.roots.find(edge.tail)
 */
    try {
      __pyx_v_graph->weights.push_back(__pyx_v_weight);
    } catch(...) {
      #ifdef WITH_THREAD
      PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
      #endif
      __Pyx_CppExn2PyErr();
      #ifdef WITH_THREAD
      __Pyx_PyGILState_Release(__pyx_gilstate_save);
      #endif
      __PYX_ERR(0, 529, __pyx_L1_error)
    }

    /* "spacy/tokens/graph.pyx":531
 *         graph.weights.push_back(weight)
 *         # If we had the tail marked as a root, remove it.
 *         tail_root_index = graph.roots.find(edge.tail)             # <<<<<<<<<<<<<<
 *         if tail_root_index != graph.roots.end():
 *             graph.roots.erase(tail_root_index)
 */
    __pyx_v_tail_root_index = __pyx_v_graph->roots->find(__pyx_v_edge.tail);

    /* "spacy/tokens/graph.pyx":532
 *         # If we had the tail marked as a root, remove it.
 *         tail_root_index = graph.roots.find(edge.tail)
 *         if tail_root_index != graph.roots.end():             # <<<<<<<<<<<<<<
 *             graph.roots.erase(tail_root_index)
 *         return edge_index
 */
    __pyx_t_1 = ((__pyx_v_tail_root_index != __pyx_v_graph->roots->end()) != 0);
    if (__pyx_t_1) {

      /* "spacy/tokens/graph.pyx":533
 *         tail_root_index = graph.roots.find(edge.tail)
 *         if tail_root_index != graph.roots.end():
 *             graph.roots.erase(tail_root_index)             # <<<<<<<<<<<<<<
 *         return edge_index
 * 
 */
      (void)(__pyx_v_graph->roots->erase(__pyx_v_tail_root_index));

      /* "spacy/tokens/graph.pyx":532
 *         # If we had the tail marked as a root, remove it.
 *         tail_root_index = graph.roots.find(edge.tail)
 *         if tail_root_index != graph.roots.end():             # <<<<<<<<<<<<<<
 *             graph.roots.erase(tail_root_index)
 *         return edge_index
 */
    }

    /* "spacy/tokens/graph.pyx":534
 *         if tail_root_index != graph.roots.end():
 *             graph.roots.erase(tail_root_index)
 *         return edge_index             # <<<<<<<<<<<<<<
 * 
 * 
 */
    __pyx_r = __pyx_v_edge_index;
    goto __pyx_L0;
  }

  /* "spacy/tokens/graph.pyx":512
 * 
 * 
 * cdef int add_edge(GraphC* graph, EdgeC edge, float weight) nogil:             # <<<<<<<<<<<<<<
 *     key = hash64(&edge, sizeof(edge), 0)
 *     it = graph.edge_map.find(key)
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_WriteUnraisable("spacy.tokens.graph.add_edge", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 1);
  __pyx_r = 0;
  __pyx_L0:;
  return __pyx_r;
}

/* "spacy/tokens/graph.pyx":537
 * 
 * 
 * cdef int get_edge(const GraphC* graph, EdgeC edge) nogil:             # <<<<<<<<<<<<<<
 *     key = hash64(&edge, sizeof(edge), 0)
 *     it = graph.edge_map.find(key)
 */

static int __pyx_f_5spacy_6tokens_5graph_get_edge(struct __pyx_t_5spacy_7structs_GraphC const *__pyx_v_graph, struct __pyx_t_5spacy_7structs_EdgeC __pyx_v_edge) {
  uint64_t __pyx_v_key;
  std::unordered_map<__pyx_t_5spacy_8typedefs_hash_t,int> ::iterator __pyx_v_it;
  int __pyx_r;
  int __pyx_t_1;

  /* "spacy/tokens/graph.pyx":538
 * 
 * cdef int get_edge(const GraphC* graph, EdgeC edge) nogil:
 *     key = hash64(&edge, sizeof(edge), 0)             # <<<<<<<<<<<<<<
 *     it = graph.edge_map.find(key)
 *     if it == graph.edge_map.end():
 */
  __pyx_v_key = __pyx_f_10murmurhash_4mrmr_hash64((&__pyx_v_edge), (sizeof(__pyx_v_edge)), 0);

  /* "spacy/tokens/graph.pyx":539
 * cdef int get_edge(const GraphC* graph, EdgeC edge) nogil:
 *     key = hash64(&edge, sizeof(edge), 0)
 *     it = graph.edge_map.find(key)             # <<<<<<<<<<<<<<
 *     if it == graph.edge_map.end():
 *         return -1
 */
  __pyx_v_it = __pyx_v_graph->edge_map->find(__pyx_v_key);

  /* "spacy/tokens/graph.pyx":540
 *     key = hash64(&edge, sizeof(edge), 0)
 *     it = graph.edge_map.find(key)
 *     if it == graph.edge_map.end():             # <<<<<<<<<<<<<<
 *         return -1
 *     else:
 */
  __pyx_t_1 = ((__pyx_v_it == __pyx_v_graph->edge_map->end()) != 0);
  if (__pyx_t_1) {

    /* "spacy/tokens/graph.pyx":541
 *     it = graph.edge_map.find(key)
 *     if it == graph.edge_map.end():
 *         return -1             # <<<<<<<<<<<<<<
 *     else:
 *         return dereference(it).second
 */
    __pyx_r = -1;
    goto __pyx_L0;

    /* "spacy/tokens/graph.pyx":540
 *     key = hash64(&edge, sizeof(edge), 0)
 *     it = graph.edge_map.find(key)
 *     if it == graph.edge_map.end():             # <<<<<<<<<<<<<<
 *         return -1
 *     else:
 */
  }

  /* "spacy/tokens/graph.pyx":543
 *         return -1
 *     else:
 *         return dereference(it).second             # <<<<<<<<<<<<<<
 * 
 * 
 */
  /*else*/ {
    __pyx_r = (*__pyx_v_it).second;
    goto __pyx_L0;
  }

  /* "spacy/tokens/graph.pyx":537
 * 
 * 
 * cdef int get_edge(const GraphC* graph, EdgeC edge) nogil:             # <<<<<<<<<<<<<<
 *     key = hash64(&edge, sizeof(edge), 0)
 *     it = graph.edge_map.find(key)
 */

  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}

/* "spacy/tokens/graph.pyx":546
 * 
 * 
 * cdef int has_edge(const GraphC* graph, EdgeC edge) nogil:             # <<<<<<<<<<<<<<
 *     return get_edge(graph, edge) >= 0
 * 
 */

static int __pyx_f_5spacy_6tokens_5graph_has_edge(struct __pyx_t_5spacy_7structs_GraphC const *__pyx_v_graph, struct __pyx_t_5spacy_7structs_EdgeC __pyx_v_edge) {
  int __pyx_r;

  /* "spacy/tokens/graph.pyx":547
 * 
 * cdef int has_edge(const GraphC* graph, EdgeC edge) nogil:
 *     return get_edge(graph, edge) >= 0             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = (__pyx_f_5spacy_6tokens_5graph_get_edge(__pyx_v_graph, __pyx_v_edge) >= 0);
  goto __pyx_L0;

  /* "spacy/tokens/graph.pyx":546
 * 
 * 
 * cdef int has_edge(const GraphC* graph, EdgeC edge) nogil:             # <<<<<<<<<<<<<<
 *     return get_edge(graph, edge) >= 0
 * 
 */

  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}

/* "spacy/tokens/graph.pyx":550
 * 
 * 
 * cdef int add_node(GraphC* graph, vector[int32_t]& node) nogil:             # <<<<<<<<<<<<<<
 *     key = hash64(&node[0], node.size() * sizeof(node[0]), 0)
 *     it = graph.node_map.find(key)
 */

static int __pyx_f_5spacy_6tokens_5graph_add_node(struct __pyx_t_5spacy_7structs_GraphC *__pyx_v_graph, std::vector<int32_t>  &__pyx_v_node) {
  uint64_t __pyx_v_key;
  std::unordered_map<__pyx_t_5spacy_8typedefs_hash_t,int> ::iterator __pyx_v_it;
  std::vector<std::vector<int32_t> > ::size_type __pyx_v_index;
  int __pyx_r;
  int __pyx_t_1;
  std::pair<__pyx_t_5spacy_8typedefs_hash_t,int>  __pyx_t_2;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;

  /* "spacy/tokens/graph.pyx":551
 * 
 * cdef int add_node(GraphC* graph, vector[int32_t]& node) nogil:
 *     key = hash64(&node[0], node.size() * sizeof(node[0]), 0)             # <<<<<<<<<<<<<<
 *     it = graph.node_map.find(key)
 *     if it != graph.node_map.end():
 */
  __pyx_v_key = __pyx_f_10murmurhash_4mrmr_hash64((&(__pyx_v_node[0])), (__pyx_v_node.size() * (sizeof((__pyx_v_node[0])))), 0);

  /* "spacy/tokens/graph.pyx":552
 * cdef int add_node(GraphC* graph, vector[int32_t]& node) nogil:
 *     key = hash64(&node[0], node.size() * sizeof(node[0]), 0)
 *     it = graph.node_map.find(key)             # <<<<<<<<<<<<<<
 *     if it != graph.node_map.end():
 *         # Item found. Convert the iterator to an index value.
 */
  __pyx_v_it = __pyx_v_graph->node_map->find(__pyx_v_key);

  /* "spacy/tokens/graph.pyx":553
 *     key = hash64(&node[0], node.size() * sizeof(node[0]), 0)
 *     it = graph.node_map.find(key)
 *     if it != graph.node_map.end():             # <<<<<<<<<<<<<<
 *         # Item found. Convert the iterator to an index value.
 *         return dereference(it).second
 */
  __pyx_t_1 = ((__pyx_v_it != __pyx_v_graph->node_map->end()) != 0);
  if (__pyx_t_1) {

    /* "spacy/tokens/graph.pyx":555
 *     if it != graph.node_map.end():
 *         # Item found. Convert the iterator to an index value.
 *         return dereference(it).second             # <<<<<<<<<<<<<<
 *     else:
 *         index = graph.nodes.size()
 */
    __pyx_r = (*__pyx_v_it).second;
    goto __pyx_L0;

    /* "spacy/tokens/graph.pyx":553
 *     key = hash64(&node[0], node.size() * sizeof(node[0]), 0)
 *     it = graph.node_map.find(key)
 *     if it != graph.node_map.end():             # <<<<<<<<<<<<<<
 *         # Item found. Convert the iterator to an index value.
 *         return dereference(it).second
 */
  }

  /* "spacy/tokens/graph.pyx":557
 *         return dereference(it).second
 *     else:
 *         index = graph.nodes.size()             # <<<<<<<<<<<<<<
 *         graph.nodes.push_back(node)
 *         graph.n_heads.push_back(0)
 */
  /*else*/ {
    __pyx_v_index = __pyx_v_graph->nodes.size();

    /* "spacy/tokens/graph.pyx":558
 *     else:
 *         index = graph.nodes.size()
 *         graph.nodes.push_back(node)             # <<<<<<<<<<<<<<
 *         graph.n_heads.push_back(0)
 *         graph.n_tails.push_back(0)
 */
    try {
      __pyx_v_graph->nodes.push_back(__pyx_v_node);
    } catch(...) {
      #ifdef WITH_THREAD
      PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
      #endif
      __Pyx_CppExn2PyErr();
      #ifdef WITH_THREAD
      __Pyx_PyGILState_Release(__pyx_gilstate_save);
      #endif
      __PYX_ERR(0, 558, __pyx_L1_error)
    }

    /* "spacy/tokens/graph.pyx":559
 *         index = graph.nodes.size()
 *         graph.nodes.push_back(node)
 *         graph.n_heads.push_back(0)             # <<<<<<<<<<<<<<
 *         graph.n_tails.push_back(0)
 *         graph.first_head.push_back(0)
 */
    try {
      __pyx_v_graph->n_heads.push_back(0);
    } catch(...) {
      #ifdef WITH_THREAD
      PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
      #endif
      __Pyx_CppExn2PyErr();
      #ifdef WITH_THREAD
      __Pyx_PyGILState_Release(__pyx_gilstate_save);
      #endif
      __PYX_ERR(0, 559, __pyx_L1_error)
    }

    /* "spacy/tokens/graph.pyx":560
 *         graph.nodes.push_back(node)
 *         graph.n_heads.push_back(0)
 *         graph.n_tails.push_back(0)             # <<<<<<<<<<<<<<
 *         graph.first_head.push_back(0)
 *         graph.first_tail.push_back(0)
 */
    try {
      __pyx_v_graph->n_tails.push_back(0);
    } catch(...) {
      #ifdef WITH_THREAD
      PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
      #endif
      __Pyx_CppExn2PyErr();
      #ifdef WITH_THREAD
      __Pyx_PyGILState_Release(__pyx_gilstate_save);
      #endif
      __PYX_ERR(0, 560, __pyx_L1_error)
    }

    /* "spacy/tokens/graph.pyx":561
 *         graph.n_heads.push_back(0)
 *         graph.n_tails.push_back(0)
 *         graph.first_head.push_back(0)             # <<<<<<<<<<<<<<
 *         graph.first_tail.push_back(0)
 *         graph.roots.insert(index)
 */
    try {
      __pyx_v_graph->first_head.push_back(0);
    } catch(...) {
      #ifdef WITH_THREAD
      PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
      #endif
      __Pyx_CppExn2PyErr();
      #ifdef WITH_THREAD
      __Pyx_PyGILState_Release(__pyx_gilstate_save);
      #endif
      __PYX_ERR(0, 561, __pyx_L1_error)
    }

    /* "spacy/tokens/graph.pyx":562
 *         graph.n_tails.push_back(0)
 *         graph.first_head.push_back(0)
 *         graph.first_tail.push_back(0)             # <<<<<<<<<<<<<<
 *         graph.roots.insert(index)
 *         graph.node_map.insert(pair[hash_t, int](key, index))
 */
    try {
      __pyx_v_graph->first_tail.push_back(0);
    } catch(...) {
      #ifdef WITH_THREAD
      PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
      #endif
      __Pyx_CppExn2PyErr();
      #ifdef WITH_THREAD
      __Pyx_PyGILState_Release(__pyx_gilstate_save);
      #endif
      __PYX_ERR(0, 562, __pyx_L1_error)
    }

    /* "spacy/tokens/graph.pyx":563
 *         graph.first_head.push_back(0)
 *         graph.first_tail.push_back(0)
 *         graph.roots.insert(index)             # <<<<<<<<<<<<<<
 *         graph.node_map.insert(pair[hash_t, int](key, index))
 *         return index
 */
    (void)(__pyx_v_graph->roots->insert(__pyx_v_index));

    /* "spacy/tokens/graph.pyx":564
 *         graph.first_tail.push_back(0)
 *         graph.roots.insert(index)
 *         graph.node_map.insert(pair[hash_t, int](key, index))             # <<<<<<<<<<<<<<
 *         return index
 * 
 */
    try {
      __pyx_t_2 = std::pair<__pyx_t_5spacy_8typedefs_hash_t,int> (__pyx_v_key, __pyx_v_index);
    } catch(...) {
      #ifdef WITH_THREAD
      PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
      #endif
      __Pyx_CppExn2PyErr();
      #ifdef WITH_THREAD
      __Pyx_PyGILState_Release(__pyx_gilstate_save);
      #endif
      __PYX_ERR(0, 564, __pyx_L1_error)
    }
    (void)(__pyx_v_graph->node_map->insert(__pyx_t_2));

    /* "spacy/tokens/graph.pyx":565
 *         graph.roots.insert(index)
 *         graph.node_map.insert(pair[hash_t, int](key, index))
 *         return index             # <<<<<<<<<<<<<<
 * 
 * 
 */
    __pyx_r = __pyx_v_index;
    goto __pyx_L0;
  }

  /* "spacy/tokens/graph.pyx":550
 * 
 * 
 * cdef int add_node(GraphC* graph, vector[int32_t]& node) nogil:             # <<<<<<<<<<<<<<
 *     key = hash64(&node[0], node.size() * sizeof(node[0]), 0)
 *     it = graph.node_map.find(key)
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_WriteUnraisable("spacy.tokens.graph.add_node", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 1);
  __pyx_r = 0;
  __pyx_L0:;
  return __pyx_r;
}

/* "spacy/tokens/graph.pyx":568
 * 
 * 
 * cdef int get_node(const GraphC* graph, vector[int32_t] node) nogil:             # <<<<<<<<<<<<<<
 *     key = hash64(&node[0], node.size() * sizeof(node[0]), 0)
 *     it = graph.node_map.find(key)
 */

static int __pyx_f_5spacy_6tokens_5graph_get_node(struct __pyx_t_5spacy_7structs_GraphC const *__pyx_v_graph, std::vector<int32_t>  __pyx_v_node) {
  uint64_t __pyx_v_key;
  std::unordered_map<__pyx_t_5spacy_8typedefs_hash_t,int> ::iterator __pyx_v_it;
  int __pyx_r;
  int __pyx_t_1;

  /* "spacy/tokens/graph.pyx":569
 * 
 * cdef int get_node(const GraphC* graph, vector[int32_t] node) nogil:
 *     key = hash64(&node[0], node.size() * sizeof(node[0]), 0)             # <<<<<<<<<<<<<<
 *     it = graph.node_map.find(key)
 *     if it == graph.node_map.end():
 */
  __pyx_v_key = __pyx_f_10murmurhash_4mrmr_hash64((&(__pyx_v_node[0])), (__pyx_v_node.size() * (sizeof((__pyx_v_node[0])))), 0);

  /* "spacy/tokens/graph.pyx":570
 * cdef int get_node(const GraphC* graph, vector[int32_t] node) nogil:
 *     key = hash64(&node[0], node.size() * sizeof(node[0]), 0)
 *     it = graph.node_map.find(key)             # <<<<<<<<<<<<<<
 *     if it == graph.node_map.end():
 *         return -1
 */
  __pyx_v_it = __pyx_v_graph->node_map->find(__pyx_v_key);

  /* "spacy/tokens/graph.pyx":571
 *     key = hash64(&node[0], node.size() * sizeof(node[0]), 0)
 *     it = graph.node_map.find(key)
 *     if it == graph.node_map.end():             # <<<<<<<<<<<<<<
 *         return -1
 *     else:
 */
  __pyx_t_1 = ((__pyx_v_it == __pyx_v_graph->node_map->end()) != 0);
  if (__pyx_t_1) {

    /* "spacy/tokens/graph.pyx":572
 *     it = graph.node_map.find(key)
 *     if it == graph.node_map.end():
 *         return -1             # <<<<<<<<<<<<<<
 *     else:
 *         return dereference(it).second
 */
    __pyx_r = -1;
    goto __pyx_L0;

    /* "spacy/tokens/graph.pyx":571
 *     key = hash64(&node[0], node.size() * sizeof(node[0]), 0)
 *     it = graph.node_map.find(key)
 *     if it == graph.node_map.end():             # <<<<<<<<<<<<<<
 *         return -1
 *     else:
 */
  }

  /* "spacy/tokens/graph.pyx":574
 *         return -1
 *     else:
 *         return dereference(it).second             # <<<<<<<<<<<<<<
 * 
 * 
 */
  /*else*/ {
    __pyx_r = (*__pyx_v_it).second;
    goto __pyx_L0;
  }

  /* "spacy/tokens/graph.pyx":568
 * 
 * 
 * cdef int get_node(const GraphC* graph, vector[int32_t] node) nogil:             # <<<<<<<<<<<<<<
 *     key = hash64(&node[0], node.size() * sizeof(node[0]), 0)
 *     it = graph.node_map.find(key)
 */

  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}

/* "spacy/tokens/graph.pyx":577
 * 
 * 
 * cdef int has_node(const GraphC* graph, vector[int32_t] node) nogil:             # <<<<<<<<<<<<<<
 *     return get_node(graph, node) >= 0
 * 
 */

static int __pyx_f_5spacy_6tokens_5graph_has_node(struct __pyx_t_5spacy_7structs_GraphC const *__pyx_v_graph, std::vector<int32_t>  __pyx_v_node) {
  int __pyx_r;

  /* "spacy/tokens/graph.pyx":578
 * 
 * cdef int has_node(const GraphC* graph, vector[int32_t] node) nogil:
 *     return get_node(graph, node) >= 0             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = (__pyx_f_5spacy_6tokens_5graph_get_node(__pyx_v_graph, __pyx_v_node) >= 0);
  goto __pyx_L0;

  /* "spacy/tokens/graph.pyx":577
 * 
 * 
 * cdef int has_node(const GraphC* graph, vector[int32_t] node) nogil:             # <<<<<<<<<<<<<<
 *     return get_node(graph, node) >= 0
 * 
 */

  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}

/* "spacy/tokens/graph.pyx":581
 * 
 * 
 * cdef int get_head_nodes(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     todo = graph.n_heads[node]
 *     if todo == 0:
 */

static int __pyx_f_5spacy_6tokens_5graph_get_head_nodes(std::vector<int>  &__pyx_v_output, struct __pyx_t_5spacy_7structs_GraphC const *__pyx_v_graph, int __pyx_v_node) {
  long __pyx_v_todo;
  int __pyx_v_start;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_v_end;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_v_i;
  int __pyx_r;
  int __pyx_t_1;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_2;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_3;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_4;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;

  /* "spacy/tokens/graph.pyx":582
 * 
 * cdef int get_head_nodes(vector[int]& output, const GraphC* graph, int node) nogil:
 *     todo = graph.n_heads[node]             # <<<<<<<<<<<<<<
 *     if todo == 0:
 *         return 0
 */
  __pyx_v_todo = (__pyx_v_graph->n_heads[__pyx_v_node]);

  /* "spacy/tokens/graph.pyx":583
 * cdef int get_head_nodes(vector[int]& output, const GraphC* graph, int node) nogil:
 *     todo = graph.n_heads[node]
 *     if todo == 0:             # <<<<<<<<<<<<<<
 *         return 0
 *     output.reserve(output.size() + todo)
 */
  __pyx_t_1 = ((__pyx_v_todo == 0) != 0);
  if (__pyx_t_1) {

    /* "spacy/tokens/graph.pyx":584
 *     todo = graph.n_heads[node]
 *     if todo == 0:
 *         return 0             # <<<<<<<<<<<<<<
 *     output.reserve(output.size() + todo)
 *     start = graph.first_head[node]
 */
    __pyx_r = 0;
    goto __pyx_L0;

    /* "spacy/tokens/graph.pyx":583
 * cdef int get_head_nodes(vector[int]& output, const GraphC* graph, int node) nogil:
 *     todo = graph.n_heads[node]
 *     if todo == 0:             # <<<<<<<<<<<<<<
 *         return 0
 *     output.reserve(output.size() + todo)
 */
  }

  /* "spacy/tokens/graph.pyx":585
 *     if todo == 0:
 *         return 0
 *     output.reserve(output.size() + todo)             # <<<<<<<<<<<<<<
 *     start = graph.first_head[node]
 *     end = graph.edges.size()
 */
  __pyx_v_output.reserve((__pyx_v_output.size() + __pyx_v_todo));

  /* "spacy/tokens/graph.pyx":586
 *         return 0
 *     output.reserve(output.size() + todo)
 *     start = graph.first_head[node]             # <<<<<<<<<<<<<<
 *     end = graph.edges.size()
 *     for i in range(start, end):
 */
  __pyx_v_start = (__pyx_v_graph->first_head[__pyx_v_node]);

  /* "spacy/tokens/graph.pyx":587
 *     output.reserve(output.size() + todo)
 *     start = graph.first_head[node]
 *     end = graph.edges.size()             # <<<<<<<<<<<<<<
 *     for i in range(start, end):
 *         if todo <= 0:
 */
  __pyx_v_end = __pyx_v_graph->edges.size();

  /* "spacy/tokens/graph.pyx":588
 *     start = graph.first_head[node]
 *     end = graph.edges.size()
 *     for i in range(start, end):             # <<<<<<<<<<<<<<
 *         if todo <= 0:
 *             break
 */
  __pyx_t_2 = __pyx_v_end;
  __pyx_t_3 = __pyx_t_2;
  for (__pyx_t_4 = __pyx_v_start; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
    __pyx_v_i = __pyx_t_4;

    /* "spacy/tokens/graph.pyx":589
 *     end = graph.edges.size()
 *     for i in range(start, end):
 *         if todo <= 0:             # <<<<<<<<<<<<<<
 *             break
 *         elif graph.edges[i].tail == node:
 */
    __pyx_t_1 = ((__pyx_v_todo <= 0) != 0);
    if (__pyx_t_1) {

      /* "spacy/tokens/graph.pyx":590
 *     for i in range(start, end):
 *         if todo <= 0:
 *             break             # <<<<<<<<<<<<<<
 *         elif graph.edges[i].tail == node:
 *             output.push_back(graph.edges[i].head)
 */
      goto __pyx_L5_break;

      /* "spacy/tokens/graph.pyx":589
 *     end = graph.edges.size()
 *     for i in range(start, end):
 *         if todo <= 0:             # <<<<<<<<<<<<<<
 *             break
 *         elif graph.edges[i].tail == node:
 */
    }

    /* "spacy/tokens/graph.pyx":591
 *         if todo <= 0:
 *             break
 *         elif graph.edges[i].tail == node:             # <<<<<<<<<<<<<<
 *             output.push_back(graph.edges[i].head)
 *             todo -= 1
 */
    __pyx_t_1 = (((__pyx_v_graph->edges[__pyx_v_i]).tail == __pyx_v_node) != 0);
    if (__pyx_t_1) {

      /* "spacy/tokens/graph.pyx":592
 *             break
 *         elif graph.edges[i].tail == node:
 *             output.push_back(graph.edges[i].head)             # <<<<<<<<<<<<<<
 *             todo -= 1
 *     return todo
 */
      try {
        __pyx_v_output.push_back((__pyx_v_graph->edges[__pyx_v_i]).head);
      } catch(...) {
        #ifdef WITH_THREAD
        PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
        #endif
        __Pyx_CppExn2PyErr();
        #ifdef WITH_THREAD
        __Pyx_PyGILState_Release(__pyx_gilstate_save);
        #endif
        __PYX_ERR(0, 592, __pyx_L1_error)
      }

      /* "spacy/tokens/graph.pyx":593
 *         elif graph.edges[i].tail == node:
 *             output.push_back(graph.edges[i].head)
 *             todo -= 1             # <<<<<<<<<<<<<<
 *     return todo
 * 
 */
      __pyx_v_todo = (__pyx_v_todo - 1);

      /* "spacy/tokens/graph.pyx":591
 *         if todo <= 0:
 *             break
 *         elif graph.edges[i].tail == node:             # <<<<<<<<<<<<<<
 *             output.push_back(graph.edges[i].head)
 *             todo -= 1
 */
    }
  }
  __pyx_L5_break:;

  /* "spacy/tokens/graph.pyx":594
 *             output.push_back(graph.edges[i].head)
 *             todo -= 1
 *     return todo             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = __pyx_v_todo;
  goto __pyx_L0;

  /* "spacy/tokens/graph.pyx":581
 * 
 * 
 * cdef int get_head_nodes(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     todo = graph.n_heads[node]
 *     if todo == 0:
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_WriteUnraisable("spacy.tokens.graph.get_head_nodes", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 1);
  __pyx_r = 0;
  __pyx_L0:;
  return __pyx_r;
}

/* "spacy/tokens/graph.pyx":597
 * 
 * 
 * cdef int get_tail_nodes(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     todo = graph.n_tails[node]
 *     if todo == 0:
 */

static int __pyx_f_5spacy_6tokens_5graph_get_tail_nodes(std::vector<int>  &__pyx_v_output, struct __pyx_t_5spacy_7structs_GraphC const *__pyx_v_graph, int __pyx_v_node) {
  long __pyx_v_todo;
  int __pyx_v_start;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_v_end;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_v_i;
  int __pyx_r;
  int __pyx_t_1;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_2;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_3;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_4;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;

  /* "spacy/tokens/graph.pyx":598
 * 
 * cdef int get_tail_nodes(vector[int]& output, const GraphC* graph, int node) nogil:
 *     todo = graph.n_tails[node]             # <<<<<<<<<<<<<<
 *     if todo == 0:
 *         return 0
 */
  __pyx_v_todo = (__pyx_v_graph->n_tails[__pyx_v_node]);

  /* "spacy/tokens/graph.pyx":599
 * cdef int get_tail_nodes(vector[int]& output, const GraphC* graph, int node) nogil:
 *     todo = graph.n_tails[node]
 *     if todo == 0:             # <<<<<<<<<<<<<<
 *         return 0
 *     output.reserve(output.size() + todo)
 */
  __pyx_t_1 = ((__pyx_v_todo == 0) != 0);
  if (__pyx_t_1) {

    /* "spacy/tokens/graph.pyx":600
 *     todo = graph.n_tails[node]
 *     if todo == 0:
 *         return 0             # <<<<<<<<<<<<<<
 *     output.reserve(output.size() + todo)
 *     start = graph.first_tail[node]
 */
    __pyx_r = 0;
    goto __pyx_L0;

    /* "spacy/tokens/graph.pyx":599
 * cdef int get_tail_nodes(vector[int]& output, const GraphC* graph, int node) nogil:
 *     todo = graph.n_tails[node]
 *     if todo == 0:             # <<<<<<<<<<<<<<
 *         return 0
 *     output.reserve(output.size() + todo)
 */
  }

  /* "spacy/tokens/graph.pyx":601
 *     if todo == 0:
 *         return 0
 *     output.reserve(output.size() + todo)             # <<<<<<<<<<<<<<
 *     start = graph.first_tail[node]
 *     end = graph.edges.size()
 */
  __pyx_v_output.reserve((__pyx_v_output.size() + __pyx_v_todo));

  /* "spacy/tokens/graph.pyx":602
 *         return 0
 *     output.reserve(output.size() + todo)
 *     start = graph.first_tail[node]             # <<<<<<<<<<<<<<
 *     end = graph.edges.size()
 *     for i in range(start, end):
 */
  __pyx_v_start = (__pyx_v_graph->first_tail[__pyx_v_node]);

  /* "spacy/tokens/graph.pyx":603
 *     output.reserve(output.size() + todo)
 *     start = graph.first_tail[node]
 *     end = graph.edges.size()             # <<<<<<<<<<<<<<
 *     for i in range(start, end):
 *         if todo <= 0:
 */
  __pyx_v_end = __pyx_v_graph->edges.size();

  /* "spacy/tokens/graph.pyx":604
 *     start = graph.first_tail[node]
 *     end = graph.edges.size()
 *     for i in range(start, end):             # <<<<<<<<<<<<<<
 *         if todo <= 0:
 *             break
 */
  __pyx_t_2 = __pyx_v_end;
  __pyx_t_3 = __pyx_t_2;
  for (__pyx_t_4 = __pyx_v_start; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
    __pyx_v_i = __pyx_t_4;

    /* "spacy/tokens/graph.pyx":605
 *     end = graph.edges.size()
 *     for i in range(start, end):
 *         if todo <= 0:             # <<<<<<<<<<<<<<
 *             break
 *         elif graph.edges[i].head == node:
 */
    __pyx_t_1 = ((__pyx_v_todo <= 0) != 0);
    if (__pyx_t_1) {

      /* "spacy/tokens/graph.pyx":606
 *     for i in range(start, end):
 *         if todo <= 0:
 *             break             # <<<<<<<<<<<<<<
 *         elif graph.edges[i].head == node:
 *             output.push_back(graph.edges[i].tail)
 */
      goto __pyx_L5_break;

      /* "spacy/tokens/graph.pyx":605
 *     end = graph.edges.size()
 *     for i in range(start, end):
 *         if todo <= 0:             # <<<<<<<<<<<<<<
 *             break
 *         elif graph.edges[i].head == node:
 */
    }

    /* "spacy/tokens/graph.pyx":607
 *         if todo <= 0:
 *             break
 *         elif graph.edges[i].head == node:             # <<<<<<<<<<<<<<
 *             output.push_back(graph.edges[i].tail)
 *             todo -= 1
 */
    __pyx_t_1 = (((__pyx_v_graph->edges[__pyx_v_i]).head == __pyx_v_node) != 0);
    if (__pyx_t_1) {

      /* "spacy/tokens/graph.pyx":608
 *             break
 *         elif graph.edges[i].head == node:
 *             output.push_back(graph.edges[i].tail)             # <<<<<<<<<<<<<<
 *             todo -= 1
 *     return todo
 */
      try {
        __pyx_v_output.push_back((__pyx_v_graph->edges[__pyx_v_i]).tail);
      } catch(...) {
        #ifdef WITH_THREAD
        PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
        #endif
        __Pyx_CppExn2PyErr();
        #ifdef WITH_THREAD
        __Pyx_PyGILState_Release(__pyx_gilstate_save);
        #endif
        __PYX_ERR(0, 608, __pyx_L1_error)
      }

      /* "spacy/tokens/graph.pyx":609
 *         elif graph.edges[i].head == node:
 *             output.push_back(graph.edges[i].tail)
 *             todo -= 1             # <<<<<<<<<<<<<<
 *     return todo
 * 
 */
      __pyx_v_todo = (__pyx_v_todo - 1);

      /* "spacy/tokens/graph.pyx":607
 *         if todo <= 0:
 *             break
 *         elif graph.edges[i].head == node:             # <<<<<<<<<<<<<<
 *             output.push_back(graph.edges[i].tail)
 *             todo -= 1
 */
    }
  }
  __pyx_L5_break:;

  /* "spacy/tokens/graph.pyx":610
 *             output.push_back(graph.edges[i].tail)
 *             todo -= 1
 *     return todo             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = __pyx_v_todo;
  goto __pyx_L0;

  /* "spacy/tokens/graph.pyx":597
 * 
 * 
 * cdef int get_tail_nodes(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     todo = graph.n_tails[node]
 *     if todo == 0:
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_WriteUnraisable("spacy.tokens.graph.get_tail_nodes", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 1);
  __pyx_r = 0;
  __pyx_L0:;
  return __pyx_r;
}

/* "spacy/tokens/graph.pyx":613
 * 
 * 
 * cdef int get_sibling_nodes(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     cdef vector[int] heads
 *     cdef vector[int] tails
 */

static int __pyx_f_5spacy_6tokens_5graph_get_sibling_nodes(std::vector<int>  &__pyx_v_output, struct __pyx_t_5spacy_7structs_GraphC const *__pyx_v_graph, int __pyx_v_node) {
  std::vector<int>  __pyx_v_heads;
  std::vector<int>  __pyx_v_tails;
  std::vector<int> ::size_type __pyx_v_i;
  std::vector<int> ::size_type __pyx_v_j;
  int __pyx_r;
  std::vector<int> ::size_type __pyx_t_1;
  std::vector<int> ::size_type __pyx_t_2;
  std::vector<int> ::size_type __pyx_t_3;
  std::vector<int> ::size_type __pyx_t_4;
  std::vector<int> ::size_type __pyx_t_5;
  std::vector<int> ::size_type __pyx_t_6;
  int __pyx_t_7;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;

  /* "spacy/tokens/graph.pyx":616
 *     cdef vector[int] heads
 *     cdef vector[int] tails
 *     get_head_nodes(heads, graph, node)             # <<<<<<<<<<<<<<
 *     for i in range(heads.size()):
 *         get_tail_nodes(tails, graph, heads[i])
 */
  (void)(__pyx_f_5spacy_6tokens_5graph_get_head_nodes(__pyx_v_heads, __pyx_v_graph, __pyx_v_node));

  /* "spacy/tokens/graph.pyx":617
 *     cdef vector[int] tails
 *     get_head_nodes(heads, graph, node)
 *     for i in range(heads.size()):             # <<<<<<<<<<<<<<
 *         get_tail_nodes(tails, graph, heads[i])
 *         for j in range(tails.size()):
 */
  __pyx_t_1 = __pyx_v_heads.size();
  __pyx_t_2 = __pyx_t_1;
  for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
    __pyx_v_i = __pyx_t_3;

    /* "spacy/tokens/graph.pyx":618
 *     get_head_nodes(heads, graph, node)
 *     for i in range(heads.size()):
 *         get_tail_nodes(tails, graph, heads[i])             # <<<<<<<<<<<<<<
 *         for j in range(tails.size()):
 *             if tails[j] != node:
 */
    (void)(__pyx_f_5spacy_6tokens_5graph_get_tail_nodes(__pyx_v_tails, __pyx_v_graph, (__pyx_v_heads[__pyx_v_i])));

    /* "spacy/tokens/graph.pyx":619
 *     for i in range(heads.size()):
 *         get_tail_nodes(tails, graph, heads[i])
 *         for j in range(tails.size()):             # <<<<<<<<<<<<<<
 *             if tails[j] != node:
 *                 output.push_back(tails[j])
 */
    __pyx_t_4 = __pyx_v_tails.size();
    __pyx_t_5 = __pyx_t_4;
    for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
      __pyx_v_j = __pyx_t_6;

      /* "spacy/tokens/graph.pyx":620
 *         get_tail_nodes(tails, graph, heads[i])
 *         for j in range(tails.size()):
 *             if tails[j] != node:             # <<<<<<<<<<<<<<
 *                 output.push_back(tails[j])
 *         tails.clear()
 */
      __pyx_t_7 = (((__pyx_v_tails[__pyx_v_j]) != __pyx_v_node) != 0);
      if (__pyx_t_7) {

        /* "spacy/tokens/graph.pyx":621
 *         for j in range(tails.size()):
 *             if tails[j] != node:
 *                 output.push_back(tails[j])             # <<<<<<<<<<<<<<
 *         tails.clear()
 *     return output.size()
 */
        try {
          __pyx_v_output.push_back((__pyx_v_tails[__pyx_v_j]));
        } catch(...) {
          #ifdef WITH_THREAD
          PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
          #endif
          __Pyx_CppExn2PyErr();
          #ifdef WITH_THREAD
          __Pyx_PyGILState_Release(__pyx_gilstate_save);
          #endif
          __PYX_ERR(0, 621, __pyx_L1_error)
        }

        /* "spacy/tokens/graph.pyx":620
 *         get_tail_nodes(tails, graph, heads[i])
 *         for j in range(tails.size()):
 *             if tails[j] != node:             # <<<<<<<<<<<<<<
 *                 output.push_back(tails[j])
 *         tails.clear()
 */
      }
    }

    /* "spacy/tokens/graph.pyx":622
 *             if tails[j] != node:
 *                 output.push_back(tails[j])
 *         tails.clear()             # <<<<<<<<<<<<<<
 *     return output.size()
 * 
 */
    __pyx_v_tails.clear();
  }

  /* "spacy/tokens/graph.pyx":623
 *                 output.push_back(tails[j])
 *         tails.clear()
 *     return output.size()             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = __pyx_v_output.size();
  goto __pyx_L0;

  /* "spacy/tokens/graph.pyx":613
 * 
 * 
 * cdef int get_sibling_nodes(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     cdef vector[int] heads
 *     cdef vector[int] tails
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_WriteUnraisable("spacy.tokens.graph.get_sibling_nodes", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 1);
  __pyx_r = 0;
  __pyx_L0:;
  return __pyx_r;
}

/* "spacy/tokens/graph.pyx":626
 * 
 * 
 * cdef int get_head_edges(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     todo = graph.n_heads[node]
 *     if todo == 0:
 */

static int __pyx_f_5spacy_6tokens_5graph_get_head_edges(std::vector<int>  &__pyx_v_output, struct __pyx_t_5spacy_7structs_GraphC const *__pyx_v_graph, int __pyx_v_node) {
  long __pyx_v_todo;
  int __pyx_v_start;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_v_end;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_v_i;
  int __pyx_r;
  int __pyx_t_1;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_2;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_3;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_4;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;

  /* "spacy/tokens/graph.pyx":627
 * 
 * cdef int get_head_edges(vector[int]& output, const GraphC* graph, int node) nogil:
 *     todo = graph.n_heads[node]             # <<<<<<<<<<<<<<
 *     if todo == 0:
 *         return 0
 */
  __pyx_v_todo = (__pyx_v_graph->n_heads[__pyx_v_node]);

  /* "spacy/tokens/graph.pyx":628
 * cdef int get_head_edges(vector[int]& output, const GraphC* graph, int node) nogil:
 *     todo = graph.n_heads[node]
 *     if todo == 0:             # <<<<<<<<<<<<<<
 *         return 0
 *     output.reserve(output.size() + todo)
 */
  __pyx_t_1 = ((__pyx_v_todo == 0) != 0);
  if (__pyx_t_1) {

    /* "spacy/tokens/graph.pyx":629
 *     todo = graph.n_heads[node]
 *     if todo == 0:
 *         return 0             # <<<<<<<<<<<<<<
 *     output.reserve(output.size() + todo)
 *     start = graph.first_head[node]
 */
    __pyx_r = 0;
    goto __pyx_L0;

    /* "spacy/tokens/graph.pyx":628
 * cdef int get_head_edges(vector[int]& output, const GraphC* graph, int node) nogil:
 *     todo = graph.n_heads[node]
 *     if todo == 0:             # <<<<<<<<<<<<<<
 *         return 0
 *     output.reserve(output.size() + todo)
 */
  }

  /* "spacy/tokens/graph.pyx":630
 *     if todo == 0:
 *         return 0
 *     output.reserve(output.size() + todo)             # <<<<<<<<<<<<<<
 *     start = graph.first_head[node]
 *     end = graph.edges.size()
 */
  __pyx_v_output.reserve((__pyx_v_output.size() + __pyx_v_todo));

  /* "spacy/tokens/graph.pyx":631
 *         return 0
 *     output.reserve(output.size() + todo)
 *     start = graph.first_head[node]             # <<<<<<<<<<<<<<
 *     end = graph.edges.size()
 *     for i in range(start, end):
 */
  __pyx_v_start = (__pyx_v_graph->first_head[__pyx_v_node]);

  /* "spacy/tokens/graph.pyx":632
 *     output.reserve(output.size() + todo)
 *     start = graph.first_head[node]
 *     end = graph.edges.size()             # <<<<<<<<<<<<<<
 *     for i in range(start, end):
 *         if todo <= 0:
 */
  __pyx_v_end = __pyx_v_graph->edges.size();

  /* "spacy/tokens/graph.pyx":633
 *     start = graph.first_head[node]
 *     end = graph.edges.size()
 *     for i in range(start, end):             # <<<<<<<<<<<<<<
 *         if todo <= 0:
 *             break
 */
  __pyx_t_2 = __pyx_v_end;
  __pyx_t_3 = __pyx_t_2;
  for (__pyx_t_4 = __pyx_v_start; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
    __pyx_v_i = __pyx_t_4;

    /* "spacy/tokens/graph.pyx":634
 *     end = graph.edges.size()
 *     for i in range(start, end):
 *         if todo <= 0:             # <<<<<<<<<<<<<<
 *             break
 *         elif graph.edges[i].tail == node:
 */
    __pyx_t_1 = ((__pyx_v_todo <= 0) != 0);
    if (__pyx_t_1) {

      /* "spacy/tokens/graph.pyx":635
 *     for i in range(start, end):
 *         if todo <= 0:
 *             break             # <<<<<<<<<<<<<<
 *         elif graph.edges[i].tail == node:
 *             output.push_back(i)
 */
      goto __pyx_L5_break;

      /* "spacy/tokens/graph.pyx":634
 *     end = graph.edges.size()
 *     for i in range(start, end):
 *         if todo <= 0:             # <<<<<<<<<<<<<<
 *             break
 *         elif graph.edges[i].tail == node:
 */
    }

    /* "spacy/tokens/graph.pyx":636
 *         if todo <= 0:
 *             break
 *         elif graph.edges[i].tail == node:             # <<<<<<<<<<<<<<
 *             output.push_back(i)
 *             todo -= 1
 */
    __pyx_t_1 = (((__pyx_v_graph->edges[__pyx_v_i]).tail == __pyx_v_node) != 0);
    if (__pyx_t_1) {

      /* "spacy/tokens/graph.pyx":637
 *             break
 *         elif graph.edges[i].tail == node:
 *             output.push_back(i)             # <<<<<<<<<<<<<<
 *             todo -= 1
 *     return todo
 */
      try {
        __pyx_v_output.push_back(__pyx_v_i);
      } catch(...) {
        #ifdef WITH_THREAD
        PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
        #endif
        __Pyx_CppExn2PyErr();
        #ifdef WITH_THREAD
        __Pyx_PyGILState_Release(__pyx_gilstate_save);
        #endif
        __PYX_ERR(0, 637, __pyx_L1_error)
      }

      /* "spacy/tokens/graph.pyx":638
 *         elif graph.edges[i].tail == node:
 *             output.push_back(i)
 *             todo -= 1             # <<<<<<<<<<<<<<
 *     return todo
 * 
 */
      __pyx_v_todo = (__pyx_v_todo - 1);

      /* "spacy/tokens/graph.pyx":636
 *         if todo <= 0:
 *             break
 *         elif graph.edges[i].tail == node:             # <<<<<<<<<<<<<<
 *             output.push_back(i)
 *             todo -= 1
 */
    }
  }
  __pyx_L5_break:;

  /* "spacy/tokens/graph.pyx":639
 *             output.push_back(i)
 *             todo -= 1
 *     return todo             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = __pyx_v_todo;
  goto __pyx_L0;

  /* "spacy/tokens/graph.pyx":626
 * 
 * 
 * cdef int get_head_edges(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     todo = graph.n_heads[node]
 *     if todo == 0:
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_WriteUnraisable("spacy.tokens.graph.get_head_edges", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 1);
  __pyx_r = 0;
  __pyx_L0:;
  return __pyx_r;
}

/* "spacy/tokens/graph.pyx":642
 * 
 * 
 * cdef int get_tail_edges(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     todo = graph.n_tails[node]
 *     if todo == 0:
 */

static int __pyx_f_5spacy_6tokens_5graph_get_tail_edges(std::vector<int>  &__pyx_v_output, struct __pyx_t_5spacy_7structs_GraphC const *__pyx_v_graph, int __pyx_v_node) {
  long __pyx_v_todo;
  int __pyx_v_start;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_v_end;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_v_i;
  int __pyx_r;
  int __pyx_t_1;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_2;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_3;
  std::vector<struct __pyx_t_5spacy_7structs_EdgeC> ::size_type __pyx_t_4;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;

  /* "spacy/tokens/graph.pyx":643
 * 
 * cdef int get_tail_edges(vector[int]& output, const GraphC* graph, int node) nogil:
 *     todo = graph.n_tails[node]             # <<<<<<<<<<<<<<
 *     if todo == 0:
 *         return 0
 */
  __pyx_v_todo = (__pyx_v_graph->n_tails[__pyx_v_node]);

  /* "spacy/tokens/graph.pyx":644
 * cdef int get_tail_edges(vector[int]& output, const GraphC* graph, int node) nogil:
 *     todo = graph.n_tails[node]
 *     if todo == 0:             # <<<<<<<<<<<<<<
 *         return 0
 *     output.reserve(output.size() + todo)
 */
  __pyx_t_1 = ((__pyx_v_todo == 0) != 0);
  if (__pyx_t_1) {

    /* "spacy/tokens/graph.pyx":645
 *     todo = graph.n_tails[node]
 *     if todo == 0:
 *         return 0             # <<<<<<<<<<<<<<
 *     output.reserve(output.size() + todo)
 *     start = graph.first_tail[node]
 */
    __pyx_r = 0;
    goto __pyx_L0;

    /* "spacy/tokens/graph.pyx":644
 * cdef int get_tail_edges(vector[int]& output, const GraphC* graph, int node) nogil:
 *     todo = graph.n_tails[node]
 *     if todo == 0:             # <<<<<<<<<<<<<<
 *         return 0
 *     output.reserve(output.size() + todo)
 */
  }

  /* "spacy/tokens/graph.pyx":646
 *     if todo == 0:
 *         return 0
 *     output.reserve(output.size() + todo)             # <<<<<<<<<<<<<<
 *     start = graph.first_tail[node]
 *     end = graph.edges.size()
 */
  __pyx_v_output.reserve((__pyx_v_output.size() + __pyx_v_todo));

  /* "spacy/tokens/graph.pyx":647
 *         return 0
 *     output.reserve(output.size() + todo)
 *     start = graph.first_tail[node]             # <<<<<<<<<<<<<<
 *     end = graph.edges.size()
 *     for i in range(start, end):
 */
  __pyx_v_start = (__pyx_v_graph->first_tail[__pyx_v_node]);

  /* "spacy/tokens/graph.pyx":648
 *     output.reserve(output.size() + todo)
 *     start = graph.first_tail[node]
 *     end = graph.edges.size()             # <<<<<<<<<<<<<<
 *     for i in range(start, end):
 *         if todo <= 0:
 */
  __pyx_v_end = __pyx_v_graph->edges.size();

  /* "spacy/tokens/graph.pyx":649
 *     start = graph.first_tail[node]
 *     end = graph.edges.size()
 *     for i in range(start, end):             # <<<<<<<<<<<<<<
 *         if todo <= 0:
 *             break
 */
  __pyx_t_2 = __pyx_v_end;
  __pyx_t_3 = __pyx_t_2;
  for (__pyx_t_4 = __pyx_v_start; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
    __pyx_v_i = __pyx_t_4;

    /* "spacy/tokens/graph.pyx":650
 *     end = graph.edges.size()
 *     for i in range(start, end):
 *         if todo <= 0:             # <<<<<<<<<<<<<<
 *             break
 *         elif graph.edges[i].head == node:
 */
    __pyx_t_1 = ((__pyx_v_todo <= 0) != 0);
    if (__pyx_t_1) {

      /* "spacy/tokens/graph.pyx":651
 *     for i in range(start, end):
 *         if todo <= 0:
 *             break             # <<<<<<<<<<<<<<
 *         elif graph.edges[i].head == node:
 *             output.push_back(i)
 */
      goto __pyx_L5_break;

      /* "spacy/tokens/graph.pyx":650
 *     end = graph.edges.size()
 *     for i in range(start, end):
 *         if todo <= 0:             # <<<<<<<<<<<<<<
 *             break
 *         elif graph.edges[i].head == node:
 */
    }

    /* "spacy/tokens/graph.pyx":652
 *         if todo <= 0:
 *             break
 *         elif graph.edges[i].head == node:             # <<<<<<<<<<<<<<
 *             output.push_back(i)
 *             todo -= 1
 */
    __pyx_t_1 = (((__pyx_v_graph->edges[__pyx_v_i]).head == __pyx_v_node) != 0);
    if (__pyx_t_1) {

      /* "spacy/tokens/graph.pyx":653
 *             break
 *         elif graph.edges[i].head == node:
 *             output.push_back(i)             # <<<<<<<<<<<<<<
 *             todo -= 1
 *     return todo
 */
      try {
        __pyx_v_output.push_back(__pyx_v_i);
      } catch(...) {
        #ifdef WITH_THREAD
        PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
        #endif
        __Pyx_CppExn2PyErr();
        #ifdef WITH_THREAD
        __Pyx_PyGILState_Release(__pyx_gilstate_save);
        #endif
        __PYX_ERR(0, 653, __pyx_L1_error)
      }

      /* "spacy/tokens/graph.pyx":654
 *         elif graph.edges[i].head == node:
 *             output.push_back(i)
 *             todo -= 1             # <<<<<<<<<<<<<<
 *     return todo
 * 
 */
      __pyx_v_todo = (__pyx_v_todo - 1);

      /* "spacy/tokens/graph.pyx":652
 *         if todo <= 0:
 *             break
 *         elif graph.edges[i].head == node:             # <<<<<<<<<<<<<<
 *             output.push_back(i)
 *             todo -= 1
 */
    }
  }
  __pyx_L5_break:;

  /* "spacy/tokens/graph.pyx":655
 *             output.push_back(i)
 *             todo -= 1
 *     return todo             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = __pyx_v_todo;
  goto __pyx_L0;

  /* "spacy/tokens/graph.pyx":642
 * 
 * 
 * cdef int get_tail_edges(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     todo = graph.n_tails[node]
 *     if todo == 0:
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_WriteUnraisable("spacy.tokens.graph.get_tail_edges", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 1);
  __pyx_r = 0;
  __pyx_L0:;
  return __pyx_r;
}

/* "spacy/tokens/graph.pyx":658
 * 
 * 
 * cdef int walk_head_nodes(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     cdef unordered_set[int] seen = unordered_set[int]()
 *     get_head_nodes(output, graph, node)
 */

static int __pyx_f_5spacy_6tokens_5graph_walk_head_nodes(std::vector<int>  &__pyx_v_output, struct __pyx_t_5spacy_7structs_GraphC const *__pyx_v_graph, int __pyx_v_node) {
  std::unordered_set<int>  __pyx_v_seen;
  long __pyx_v_i;
  int __pyx_r;
  std::unordered_set<int>  __pyx_t_1;
  int __pyx_t_2;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;

  /* "spacy/tokens/graph.pyx":659
 * 
 * cdef int walk_head_nodes(vector[int]& output, const GraphC* graph, int node) nogil:
 *     cdef unordered_set[int] seen = unordered_set[int]()             # <<<<<<<<<<<<<<
 *     get_head_nodes(output, graph, node)
 *     seen.insert(node)
 */
  try {
    __pyx_t_1 = std::unordered_set<int> ();
  } catch(...) {
    #ifdef WITH_THREAD
    PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
    #endif
    __Pyx_CppExn2PyErr();
    #ifdef WITH_THREAD
    __Pyx_PyGILState_Release(__pyx_gilstate_save);
    #endif
    __PYX_ERR(0, 659, __pyx_L1_error)
  }
  __pyx_v_seen = __pyx_t_1;

  /* "spacy/tokens/graph.pyx":660
 * cdef int walk_head_nodes(vector[int]& output, const GraphC* graph, int node) nogil:
 *     cdef unordered_set[int] seen = unordered_set[int]()
 *     get_head_nodes(output, graph, node)             # <<<<<<<<<<<<<<
 *     seen.insert(node)
 *     i = 0
 */
  (void)(__pyx_f_5spacy_6tokens_5graph_get_head_nodes(__pyx_v_output, __pyx_v_graph, __pyx_v_node));

  /* "spacy/tokens/graph.pyx":661
 *     cdef unordered_set[int] seen = unordered_set[int]()
 *     get_head_nodes(output, graph, node)
 *     seen.insert(node)             # <<<<<<<<<<<<<<
 *     i = 0
 *     while i < output.size():
 */
  (void)(__pyx_v_seen.insert(__pyx_v_node));

  /* "spacy/tokens/graph.pyx":662
 *     get_head_nodes(output, graph, node)
 *     seen.insert(node)
 *     i = 0             # <<<<<<<<<<<<<<
 *     while i < output.size():
 *         if seen.find(output[i]) == seen.end():
 */
  __pyx_v_i = 0;

  /* "spacy/tokens/graph.pyx":663
 *     seen.insert(node)
 *     i = 0
 *     while i < output.size():             # <<<<<<<<<<<<<<
 *         if seen.find(output[i]) == seen.end():
 *             seen.insert(output[i])
 */
  while (1) {
    __pyx_t_2 = ((__pyx_v_i < __pyx_v_output.size()) != 0);
    if (!__pyx_t_2) break;

    /* "spacy/tokens/graph.pyx":664
 *     i = 0
 *     while i < output.size():
 *         if seen.find(output[i]) == seen.end():             # <<<<<<<<<<<<<<
 *             seen.insert(output[i])
 *             get_head_nodes(output, graph, output[i])
 */
    __pyx_t_2 = ((__pyx_v_seen.find((__pyx_v_output[__pyx_v_i])) == __pyx_v_seen.end()) != 0);
    if (__pyx_t_2) {

      /* "spacy/tokens/graph.pyx":665
 *     while i < output.size():
 *         if seen.find(output[i]) == seen.end():
 *             seen.insert(output[i])             # <<<<<<<<<<<<<<
 *             get_head_nodes(output, graph, output[i])
 *         i += 1
 */
      (void)(__pyx_v_seen.insert((__pyx_v_output[__pyx_v_i])));

      /* "spacy/tokens/graph.pyx":666
 *         if seen.find(output[i]) == seen.end():
 *             seen.insert(output[i])
 *             get_head_nodes(output, graph, output[i])             # <<<<<<<<<<<<<<
 *         i += 1
 *     return i
 */
      (void)(__pyx_f_5spacy_6tokens_5graph_get_head_nodes(__pyx_v_output, __pyx_v_graph, (__pyx_v_output[__pyx_v_i])));

      /* "spacy/tokens/graph.pyx":664
 *     i = 0
 *     while i < output.size():
 *         if seen.find(output[i]) == seen.end():             # <<<<<<<<<<<<<<
 *             seen.insert(output[i])
 *             get_head_nodes(output, graph, output[i])
 */
    }

    /* "spacy/tokens/graph.pyx":667
 *             seen.insert(output[i])
 *             get_head_nodes(output, graph, output[i])
 *         i += 1             # <<<<<<<<<<<<<<
 *     return i
 * 
 */
    __pyx_v_i = (__pyx_v_i + 1);
  }

  /* "spacy/tokens/graph.pyx":668
 *             get_head_nodes(output, graph, output[i])
 *         i += 1
 *     return i             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = __pyx_v_i;
  goto __pyx_L0;

  /* "spacy/tokens/graph.pyx":658
 * 
 * 
 * cdef int walk_head_nodes(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     cdef unordered_set[int] seen = unordered_set[int]()
 *     get_head_nodes(output, graph, node)
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_WriteUnraisable("spacy.tokens.graph.walk_head_nodes", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 1);
  __pyx_r = 0;
  __pyx_L0:;
  return __pyx_r;
}

/* "spacy/tokens/graph.pyx":671
 * 
 * 
 * cdef int walk_tail_nodes(vector[int]& output, const GraphC* graph, int node) nogil:             # <<<<<<<<<<<<<<
 *     cdef unordered_set[int] seen = unordered_set[int]()
 *     get_tail_nodes(output, graph, node)
 */

static int __pyx_f_5spacy_6tokens_5graph_walk_tail_nodes(std::vector<int>  &__pyx_v_output, struct __pyx_t_5spacy_7structs_GraphC const *__pyx_v_graph, int __pyx_v_node) {
  std::unordered_set<int>  __pyx_v_seen;
  long __pyx_v_i;
  int __pyx_r;
  std::unordered_set<int>  __pyx_t_1;
  int __pyx_t_2;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;

  /* "spacy/tokens/graph.pyx":672
 * 
 * cdef int walk_tail_nodes(vector[int]& output, const GraphC* graph, int node) nogil:
 *     cdef unordered_set[int] seen = unordered_set[int]()             # <<<<<<<<<<<<<<
 *     get_tail_nodes(output, graph, node)
 *     seen.insert(node)
 */
  try {
    __pyx_t_1 = std::unordered_set<int> ();
  } catch(...) {
    #ifdef WITH_THREAD
    PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
    #endif
    __Pyx_CppExn2PyErr();
    #ifdef WITH_THREAD
    __Pyx_PyGILState_Release(__pyx_gilstate_save);
    #endif
    __PYX_ERR(0, 672, __pyx_L1_error)
  }
  __pyx_v_seen = __pyx_t_1;

  /* "spacy/tokens/graph.pyx":673
 * cdef int walk_tail_nodes(vector[int]& output, const GraphC* graph, int node) nogil:
 *     cdef unordered_set[int] seen = unordered_set[int]()
 *     get_tail_nodes(output, graph, node)             # <<<<<<<<<<<<<<
 *     seen.insert(node)
 *     i = 0
 */
  (void)(__pyx_f_5spacy_6tokens_5graph_get_tail_nodes(__pyx_v_output, __pyx_v_graph, __pyx_v_node));

  /* "spacy/tokens/graph.pyx":674
 *     cdef unordered_set[int] seen = unordered_set[int]()
 *     get_tail_nodes(output, graph, node)
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static struct PyGetSetDef __pyx_getsets_5spacy_6tokens_5graph_Graph[] = {
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  {(char *)"edges", __pyx_getprop_5spacy_6tokens_5graph_5Graph_edges, 0, (char *)"Iterate over the edges in the graph.", 0},
  {(char *)"nodes", __pyx_getprop_5spacy_6tokens_5graph_5Graph_nodes, 0, (char *)"Iterate over the nodes in the graph.", 0},
  {(char *)"name", __pyx_getprop_5spacy_6tokens_5graph_5Graph_name, __pyx_setprop_5spacy_6tokens_5graph_5Graph_name, (char *)"name: str", 0},
  {0, 0, 0, 0, 0}
};

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  return __pyx_pw_5spacy_6tokens_5graph_4Edge_7is_none_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Edge_doc(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Edge_3doc_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Edge_head(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Edge_4head_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Edge_tail(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Edge_4tail_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Edge_label(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Edge_5label_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Edge_weight(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Edge_6weight_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Edge_label_(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Edge_6label__1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Edge_graph(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Edge_5graph_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Edge_i(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Edge_1i_1__get__(o);
}

static PyMethodDef __pyx_methods_5spacy_6tokens_5graph_Edge[] = {
  {"__reduce_cython__", (PyCFunction)__pyx_pw_5spacy_6tokens_5graph_4Edge_3__reduce_cython__, METH_NOARGS, __pyx_doc_5spacy_6tokens_5graph_4Edge_2__reduce_cython__},
  {"__setstate_cython__", (PyCFunction)__pyx_pw_5spacy_6tokens_5graph_4Edge_5__setstate_cython__, METH_O, __pyx_doc_5spacy_6tokens_5graph_4Edge_4__setstate_cython__},
  {0, 0, 0, 0}
};

static struct PyGetSetDef __pyx_getsets_5spacy_6tokens_5graph_Edge[] = {
  {(char *)"is_none", __pyx_getprop_5spacy_6tokens_5graph_4Edge_is_none, 0, (char *)0, 0},
  {(char *)"doc", __pyx_getprop_5spacy_6tokens_5graph_4Edge_doc, 0, (char *)0, 0},
  {(char *)"head", __pyx_getprop_5spacy_6tokens_5graph_4Edge_head, 0, (char *)0, 0},
  {(char *)"tail", __pyx_getprop_5spacy_6tokens_5graph_4Edge_tail, 0, (char *)0, 0},
  {(char *)"label", __pyx_getprop_5spacy_6tokens_5graph_4Edge_label, 0, (char *)0, 0},
  {(char *)"weight", __pyx_getprop_5spacy_6tokens_5graph_4Edge_weight, 0, (char *)0, 0},
  {(char *)"label_", __pyx_getprop_5spacy_6tokens_5graph_4Edge_label_, 0, (char *)0, 0},
  {(char *)"graph", __pyx_getprop_5spacy_6tokens_5graph_4Edge_graph, 0, (char *)0, 0},
  {(char *)"i", __pyx_getprop_5spacy_6tokens_5graph_4Edge_i, 0, (char *)0, 0},
  {0, 0, 0, 0, 0}
};

static PyTypeObject __pyx_type_5spacy_6tokens_5graph_Edge = {
  PyVarObject_HEAD_INIT(0, 0)
  "spacy.tokens.graph.Edge", /*tp_name*/
  sizeof(struct __pyx_obj_5spacy_6tokens_5graph_Edge), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_5spacy_6tokens_5graph_Edge, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  "Edge(Graph graph, int i)", /*tp_doc*/
  __pyx_tp_traverse_5spacy_6tokens_5graph_Edge, /*tp_traverse*/
  __pyx_tp_clear_5spacy_6tokens_5graph_Edge, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  __pyx_methods_5spacy_6tokens_5graph_Edge, /*tp_methods*/
  0, /*tp_members*/
  __pyx_getsets_5spacy_6tokens_5graph_Edge, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  __pyx_pw_5spacy_6tokens_5graph_4Edge_1__init__, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_5spacy_6tokens_5graph_Edge, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
  0, /*tp_pypy_flags*/
  #endif
};
static struct __pyx_vtabstruct_5spacy_6tokens_5graph_Node __pyx_vtable_5spacy_6tokens_5graph_Node;

static struct __pyx_obj_5spacy_6tokens_5graph_Node *__pyx_freelist_5spacy_6tokens_5graph_Node[8];
static int __pyx_freecount_5spacy_6tokens_5graph_Node = 0;

static PyObject *__pyx_tp_new_5spacy_6tokens_5graph_Node(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  struct __pyx_obj_5spacy_6tokens_5graph_Node *p;
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_5spacy_6tokens_5graph_Node > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_5spacy_6tokens_5graph_Node)) & ((t->tp_flags & (Py_TPFLAGS_IS_ABSTRACT | Py_TPFLAGS_HEAPTYPE)) == 0))) {
    o = (PyObject*)__pyx_freelist_5spacy_6tokens_5graph_Node[--__pyx_freecount_5spacy_6tokens_5graph_Node];
    memset(o, 0, sizeof(struct __pyx_obj_5spacy_6tokens_5graph_Node));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
      o = (*t->tp_alloc)(t, 0);
    } else {
      o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
    }
    if (unlikely(!o)) return 0;
  }
  p = ((struct __pyx_obj_5spacy_6tokens_5graph_Node *)o);
  p->__pyx_vtab = __pyx_vtabptr_5spacy_6tokens_5graph_Node;
  p->graph = ((struct __pyx_obj_5spacy_6tokens_5graph_Graph *)Py_None); Py_INCREF(Py_None);
  return o;
}

static void __pyx_tp_dealloc_5spacy_6tokens_5graph_Node(PyObject *o) {
  struct __pyx_obj_5spacy_6tokens_5graph_Node *p = (struct __pyx_obj_5spacy_6tokens_5graph_Node *)o;
  #if CYTHON_USE_TP_FINALIZE
  if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
    if (PyObject_CallFinalizerFromDealloc(o)) return;
  }
  #endif
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->graph);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_5spacy_6tokens_5graph_Node < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_5spacy_6tokens_5graph_Node)) & ((Py_TYPE(o)->tp_flags & (Py_TPFLAGS_IS_ABSTRACT | Py_TPFLAGS_HEAPTYPE)) == 0))) {
    __pyx_freelist_5spacy_6tokens_5graph_Node[__pyx_freecount_5spacy_6tokens_5graph_Node++] = ((struct __pyx_obj_5spacy_6tokens_5graph_Node *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_5spacy_6tokens_5graph_Node(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_5spacy_6tokens_5graph_Node *p = (struct __pyx_obj_5spacy_6tokens_5graph_Node *)o;
  if (p->graph) {
    e = (*v)(((PyObject *)p->graph), a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_5spacy_6tokens_5graph_Node(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_5spacy_6tokens_5graph_Node *p = (struct __pyx_obj_5spacy_6tokens_5graph_Node *)o;
  tmp = ((PyObject*)p->graph);
  p->graph = ((struct __pyx_obj_5spacy_6tokens_5graph_Graph *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}
static PyObject *__pyx_sq_item_5spacy_6tokens_5graph_Node(PyObject *o, Py_ssize_t i) {
  PyObject *r;
  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
  Py_DECREF(x);
  return r;
}

static PyObject *__pyx_tp_richcompare_5spacy_6tokens_5graph_Node(PyObject *o1, PyObject *o2, int op) {
  switch (op) {
    case Py_EQ: {
      return __pyx_pw_5spacy_6tokens_5graph_4Node_3__eq__(o1, o2);
    }
    case Py_NE: {
      PyObject *ret;
      ret = __pyx_pw_5spacy_6tokens_5graph_4Node_3__eq__(o1, o2);
      if (likely(ret && ret != Py_NotImplemented)) {
        int b = __Pyx_PyObject_IsTrue(ret); Py_DECREF(ret);
        if (unlikely(b < 0)) return NULL;
        ret = (b) ? Py_False : Py_True;
        Py_INCREF(ret);
      }
      return ret;
    }
    default: {
      return __Pyx_NewRef(Py_NotImplemented);
    }
  }
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Node_is_none(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Node_7is_none_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Node_doc(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Node_3doc_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Node_tokens(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Node_6tokens_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Node_graph(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Node_5graph_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_4Node_i(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_4Node_1i_1__get__(o);
}

static PyMethodDef __pyx_methods_5spacy_6tokens_5graph_Node[] = {
  {"head", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_5spacy_6tokens_5graph_4Node_12head, METH_VARARGS|METH_KEYWORDS, __pyx_doc_5spacy_6tokens_5graph_4Node_11head},
  {"tail", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_5spacy_6tokens_5graph_4Node_14tail, METH_VARARGS|METH_KEYWORDS, __pyx_doc_5spacy_6tokens_5graph_4Node_13tail},
  {"sibling", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_5spacy_6tokens_5graph_4Node_16sibling, METH_VARARGS|METH_KEYWORDS, __pyx_doc_5spacy_6tokens_5graph_4Node_15sibling},
  {"heads", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_5spacy_6tokens_5graph_4Node_18heads, METH_VARARGS|METH_KEYWORDS, __pyx_doc_5spacy_6tokens_5graph_4Node_17heads},
  {"tails", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_5spacy_6tokens_5graph_4Node_20tails, METH_VARARGS|METH_KEYWORDS, __pyx_doc_5spacy_6tokens_5graph_4Node_19tails},
  {"siblings", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_5spacy_6tokens_5graph_4Node_22siblings, METH_VARARGS|METH_KEYWORDS, __pyx_doc_5spacy_6tokens_5graph_4Node_21siblings},
  {"headed", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_5spacy_6tokens_5graph_4Node_24headed, METH_VARARGS|METH_KEYWORDS, __pyx_doc_5spacy_6tokens_5graph_4Node_23headed},
  {"tailed", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_5spacy_6tokens_5graph_4Node_26tailed, METH_VARARGS|METH_KEYWORDS, __pyx_doc_5spacy_6tokens_5graph_4Node_25tailed},
  {"headeds", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_5spacy_6tokens_5graph_4Node_28headeds, METH_VARARGS|METH_KEYWORDS, __pyx_doc_5spacy_6tokens_5graph_4Node_27headeds},
  {"taileds", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_5spacy_6tokens_5graph_4Node_30taileds, METH_VARARGS|METH_KEYWORDS, __pyx_doc_5spacy_6tokens_5graph_4Node_29taileds},
  {"walk_heads", (PyCFunction)__pyx_pw_5spacy_6tokens_5graph_4Node_32walk_heads, METH_NOARGS, __pyx_doc_5spacy_6tokens_5graph_4Node_31walk_heads},
  {"walk_tails", (PyCFunction)__pyx_pw_5spacy_6tokens_5graph_4Node_35walk_tails, METH_NOARGS, __pyx_doc_5spacy_6tokens_5graph_4Node_34walk_tails},
  {"__reduce_cython__", (PyCFunction)__pyx_pw_5spacy_6tokens_5graph_4Node_38__reduce_cython__, METH_NOARGS, __pyx_doc_5spacy_6tokens_5graph_4Node_37__reduce_cython__},
  {"__setstate_cython__", (PyCFunction)__pyx_pw_5spacy_6tokens_5graph_4Node_40__setstate_cython__, METH_O, __pyx_doc_5spacy_6tokens_5graph_4Node_39__setstate_cython__},
  {0, 0, 0, 0}
};

static struct PyGetSetDef __pyx_getsets_5spacy_6tokens_5graph_Node[] = {
  {(char *)"is_none", __pyx_getprop_5spacy_6tokens_5graph_4Node_is_none, 0, (char *)"Whether the node is a special value, indicating 'none'.\n        \n        The NoneNode type is returned by the Graph, Edge and Node objects when\n        there is no match to a query. It has the same API as Node, but it always\n        returns NoneNode, NoneEdge or empty lists for its queries.\n        ", 0},
  {(char *)"doc", __pyx_getprop_5spacy_6tokens_5graph_4Node_doc, 0, (char *)"The Doc object that the graph refers to.", 0},
  {(char *)"tokens", __pyx_getprop_5spacy_6tokens_5graph_4Node_tokens, 0, (char *)"A tuple of Token objects that make up the node.", 0},
  {(char *)"graph", __pyx_getprop_5spacy_6tokens_5graph_4Node_graph, 0, (char *)0, 0},
  {(char *)"i", __pyx_getprop_5spacy_6tokens_5graph_4Node_i, 0, (char *)0, 0},
  {0, 0, 0, 0, 0}
};

static PySequenceMethods __pyx_tp_as_sequence_Node = {
  __pyx_pw_5spacy_6tokens_5graph_4Node_10__len__, /*sq_length*/
  0, /*sq_concat*/
  0, /*sq_repeat*/
  __pyx_sq_item_5spacy_6tokens_5graph_Node, /*sq_item*/
  0, /*sq_slice*/
  0, /*sq_ass_item*/
  0, /*sq_ass_slice*/
  0, /*sq_contains*/
  0, /*sq_inplace_concat*/
  0, /*sq_inplace_repeat*/
};

static PyMappingMethods __pyx_tp_as_mapping_Node = {
  __pyx_pw_5spacy_6tokens_5graph_4Node_10__len__, /*mp_length*/
  __pyx_pw_5spacy_6tokens_5graph_4Node_8__getitem__, /*mp_subscript*/
  0, /*mp_ass_subscript*/
};

static PyTypeObject __pyx_type_5spacy_6tokens_5graph_Node = {
  PyVarObject_HEAD_INIT(0, 0)
  "spacy.tokens.graph.Node", /*tp_name*/
  sizeof(struct __pyx_obj_5spacy_6tokens_5graph_Node), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_5spacy_6tokens_5graph_Node, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  &__pyx_tp_as_sequence_Node, /*tp_as_sequence*/
  &__pyx_tp_as_mapping_Node, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  "Node(Graph graph, int i)", /*tp_doc*/
  __pyx_tp_traverse_5spacy_6tokens_5graph_Node, /*tp_traverse*/
  __pyx_tp_clear_5spacy_6tokens_5graph_Node, /*tp_clear*/
  __pyx_tp_richcompare_5spacy_6tokens_5graph_Node, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  __pyx_pw_5spacy_6tokens_5graph_4Node_5__iter__, /*tp_iter*/
  0, /*tp_iternext*/
  __pyx_methods_5spacy_6tokens_5graph_Node, /*tp_methods*/
  0, /*tp_members*/
  __pyx_getsets_5spacy_6tokens_5graph_Node, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  __pyx_pw_5spacy_6tokens_5graph_4Node_1__init__, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_5spacy_6tokens_5graph_Node, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
  0, /*tp_pypy_flags*/
  #endif
};

static PyObject *__pyx_tp_new_5spacy_6tokens_5graph_NoneEdge(PyTypeObject *t, PyObject *a, PyObject *k) {
  PyObject *o = __pyx_tp_new_5spacy_6tokens_5graph_Edge(t, a, k);
  if (unlikely(!o)) return 0;
  return o;
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_8NoneEdge_doc(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_8NoneEdge_3doc_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_8NoneEdge_head(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_8NoneEdge_4head_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_8NoneEdge_tail(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_8NoneEdge_4tail_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_8NoneEdge_label(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_8NoneEdge_5label_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_8NoneEdge_weight(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_8NoneEdge_6weight_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_8NoneEdge_label_(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_8NoneEdge_6label__1__get__(o);
}

static PyMethodDef __pyx_methods_5spacy_6tokens_5graph_NoneEdge[] = {
  {"__reduce_cython__", (PyCFunction)__pyx_pw_5spacy_6tokens_5graph_8NoneEdge_3__reduce_cython__, METH_NOARGS, __pyx_doc_5spacy_6tokens_5graph_8NoneEdge_2__reduce_cython__},
  {"__setstate_cython__", (PyCFunction)__pyx_pw_5spacy_6tokens_5graph_8NoneEdge_5__setstate_cython__, METH_O, __pyx_doc_5spacy_6tokens_5graph_8NoneEdge_4__setstate_cython__},
  {0, 0, 0, 0}
};

static struct PyGetSetDef __pyx_getsets_5spacy_6tokens_5graph_NoneEdge[] = {
  {(char *)"doc", __pyx_getprop_5spacy_6tokens_5graph_8NoneEdge_doc, 0, (char *)0, 0},
  {(char *)"head", __pyx_getprop_5spacy_6tokens_5graph_8NoneEdge_head, 0, (char *)0, 0},
  {(char *)"tail", __pyx_getprop_5spacy_6tokens_5graph_8NoneEdge_tail, 0, (char *)0, 0},
  {(char *)"label", __pyx_getprop_5spacy_6tokens_5graph_8NoneEdge_label, 0, (char *)0, 0},
  {(char *)"weight", __pyx_getprop_5spacy_6tokens_5graph_8NoneEdge_weight, 0, (char *)0, 0},
  {(char *)"label_", __pyx_getprop_5spacy_6tokens_5graph_8NoneEdge_label_, 0, (char *)0, 0},
  {0, 0, 0, 0, 0}
};

static PyTypeObject __pyx_type_5spacy_6tokens_5graph_NoneEdge = {
  PyVarObject_HEAD_INIT(0, 0)
  "spacy.tokens.graph.NoneEdge", /*tp_name*/
  sizeof(struct __pyx_obj_5spacy_6tokens_5graph_NoneEdge), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_5spacy_6tokens_5graph_Edge, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  "NoneEdge(graph)\nAn Edge subclass, representing a non-result. The NoneEdge has the same\n    API as other Edge instances, but always returns NoneEdge, NoneNode, or empty\n    lists.\n    ", /*tp_doc*/
  __pyx_tp_traverse_5spacy_6tokens_5graph_Edge, /*tp_traverse*/
  __pyx_tp_clear_5spacy_6tokens_5graph_Edge, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  __pyx_methods_5spacy_6tokens_5graph_NoneEdge, /*tp_methods*/
  0, /*tp_members*/
  __pyx_getsets_5spacy_6tokens_5graph_NoneEdge, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  __pyx_pw_5spacy_6tokens_5graph_8NoneEdge_1__init__, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_5spacy_6tokens_5graph_NoneEdge, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
  0, /*tp_pypy_flags*/
  #endif
};
static struct __pyx_vtabstruct_5spacy_6tokens_5graph_NoneNode __pyx_vtable_5spacy_6tokens_5graph_NoneNode;

static PyObject *__pyx_tp_new_5spacy_6tokens_5graph_NoneNode(PyTypeObject *t, PyObject *a, PyObject *k) {
  struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *p;
  PyObject *o = __pyx_tp_new_5spacy_6tokens_5graph_Node(t, a, k);
  if (unlikely(!o)) return 0;
  p = ((struct __pyx_obj_5spacy_6tokens_5graph_NoneNode *)o);
  p->__pyx_base.__pyx_vtab = (struct __pyx_vtabstruct_5spacy_6tokens_5graph_Node*)__pyx_vtabptr_5spacy_6tokens_5graph_NoneNode;
  return o;
}
static PyObject *__pyx_sq_item_5spacy_6tokens_5graph_NoneNode(PyObject *o, Py_ssize_t i) {
  PyObject *r;
  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
  Py_DECREF(x);
  return r;
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_8NoneNode_is_none(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_8NoneNode_7is_none_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_8NoneNode_doc(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_8NoneNode_3doc_1__get__(o);
}

static PyObject *__pyx_getprop_5spacy_6tokens_5graph_8NoneNode_tokens(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_5spacy_6tokens_5graph_8NoneNode_6tokens_1__get__(o);
}

static PyMethodDef __pyx_methods_5spacy_6tokens_5graph_NoneNode[] = {
  {"head", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_5spacy_6tokens_5graph_8NoneNode_7head, METH_VARARGS|METH_KEYWORDS, __pyx_doc_5spacy_6tokens_5graph_8NoneNode_6head},
  {"tail", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_5spacy_6tokens_5graph_8NoneNode_9tail, METH_VARARGS|METH_KEYWORDS, __pyx_doc_5spacy_6tokens_5graph_8NoneNode_8tail},
  {"walk_heads", (PyCFunction)__pyx_pw_5spacy_6tokens_5graph_8NoneNode_11walk_heads, METH_NOARGS, __pyx_doc_5spacy_6tokens_5graph_8NoneNode_10walk_heads},
  {"walk_tails", (PyCFunction)__pyx_pw_5spacy_6tokens_5graph_8NoneNode_14walk_tails, METH_NOARGS, __pyx_doc_5spacy_6tokens_5graph_8NoneNode_13walk_tails},
  {"__reduce_cython__", (PyCFunction)__pyx_pw_5spacy_6tokens_5graph_8NoneNode_17__reduce_cython__, METH_NOARGS, __pyx_doc_5spacy_6tokens_5graph_8NoneNode_16__reduce_cython__},
  {"__setstate_cython__", (PyCFunction)__pyx_pw_5spacy_6tokens_5graph_8NoneNode_19__setstate_cython__, METH_O, __pyx_doc_5spacy_6tokens_5graph_8NoneNode_18__setstate_cython__},
  {0, 0, 0, 0}
};

static struct PyGetSetDef __pyx_getsets_5spacy_6tokens_5graph_NoneNode[] = {
  {(char *)"is_none", __pyx_getprop_5spacy_6tokens_5graph_8NoneNode_is_none, 0, (char *)0, 0},
  {(char *)"doc", __pyx_getprop_5spacy_6tokens_5graph_8NoneNode_doc, 0, (char *)0, 0},
  {(char *)"tokens", __pyx_getprop_5spacy_6tokens_5graph_8NoneNode_tokens, 0, (char *)0, 0},
  {0, 0, 0, 0, 0}
};

static PySequenceMethods __pyx_tp_as_sequence_NoneNode = {
  __pyx_pw_5spacy_6tokens_5graph_8NoneNode_5__len__, /*sq_length*/
  0, /*sq_concat*/
  0, /*sq_repeat*/
  __pyx_sq_item_5spacy_6tokens_5graph_NoneNode, /*sq_item*/
  0, /*sq_slice*/
  0, /*sq_ass_item*/
  0, /*sq_ass_slice*/
  0, /*sq_contains*/
  0, /*sq_inplace_concat*/
  0, /*sq_inplace_repeat*/
};

static PyMappingMethods __pyx_tp_as_mapping_NoneNode = {
  __pyx_pw_5spacy_6tokens_5graph_8NoneNode_5__len__, /*mp_length*/
  __pyx_pw_5spacy_6tokens_5graph_8NoneNode_3__getitem__, /*mp_subscript*/
  0, /*mp_ass_subscript*/
};

static PyTypeObject __pyx_type_5spacy_6tokens_5graph_NoneNode = {
  PyVarObject_HEAD_INIT(0, 0)
  "spacy.tokens.graph.NoneNode", /*tp_name*/
  sizeof(struct __pyx_obj_5spacy_6tokens_5graph_NoneNode), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_5spacy_6tokens_5graph_Node, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  &__pyx_tp_as_sequence_NoneNode, /*tp_as_sequence*/
  &__pyx_tp_as_mapping_NoneNode, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  "NoneNode(graph)", /*tp_doc*/
  __pyx_tp_traverse_5spacy_6tokens_5graph_Node, /*tp_traverse*/
  __pyx_tp_clear_5spacy_6tokens_5graph_Node, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  #if CYTHON_COMPILING_IN_PYPY
  __pyx_pw_5spacy_6tokens_5graph_4Node_5__iter__, /*tp_iter*/
  #else
  0, /*tp_iter*/
  #endif
  0, /*tp_iternext*/
  __pyx_methods_5spacy_6tokens_5graph_NoneNode, /*tp_methods*/
  0, /*tp_members*/
  __pyx_getsets_5spacy_6tokens_5graph_NoneNode, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  __pyx_pw_5spacy_6tokens_5graph_8NoneNode_1__init__, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_5spacy_6tokens_5graph_NoneNode, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
  0, /*tp_pypy_flags*/
  #endif
};

static struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__ *__pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct____iter__[8];
static int __pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct____iter__ = 0;

static PyObject *__pyx_tp_new_5spacy_6tokens_5graph___pyx_scope_struct____iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__ *p;
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct____iter__ > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__)))) {
    o = (PyObject*)__pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct____iter__[--__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct____iter__];
    memset(o, 0, sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  p = ((struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__ *)o);
  new((void*)&(p->__pyx_t_0)) std::vector<int32_t> ::iterator();
  return o;
}

static void __pyx_tp_dealloc_5spacy_6tokens_5graph___pyx_scope_struct____iter__(PyObject *o) {
  struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__ *p = (struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__ *)o;
  PyObject_GC_UnTrack(o);
  __Pyx_call_destructor(p->__pyx_t_0);
  Py_CLEAR(p->__pyx_v_self);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct____iter__ < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__)))) {
    __pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct____iter__[__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct____iter__++] = ((struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__ *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_5spacy_6tokens_5graph___pyx_scope_struct____iter__(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__ *p = (struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__ *)o;
  if (p->__pyx_v_self) {
    e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e;
  }
  return 0;
}

static PyTypeObject __pyx_type_5spacy_6tokens_5graph___pyx_scope_struct____iter__ = {
  PyVarObject_HEAD_INIT(0, 0)
  "spacy.tokens.graph.__pyx_scope_struct____iter__", /*tp_name*/
  sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct____iter__), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_5spacy_6tokens_5graph___pyx_scope_struct____iter__, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_5spacy_6tokens_5graph___pyx_scope_struct____iter__, /*tp_traverse*/
  0, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  0, /*tp_methods*/
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  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_5spacy_6tokens_5graph___pyx_scope_struct____iter__, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
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  0, /*tp_del*/
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  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
  0, /*tp_pypy_flags*/
  #endif
};

static struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads *__pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads[8];
static int __pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads = 0;

static PyObject *__pyx_tp_new_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads *p;
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads)))) {
    o = (PyObject*)__pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads[--__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads];
    memset(o, 0, sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  p = ((struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads *)o);
  new((void*)&(p->__pyx_v_node_indices)) std::vector<int> ();
  new((void*)&(p->__pyx_t_0)) std::vector<int> ::iterator();
  return o;
}

static void __pyx_tp_dealloc_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads(PyObject *o) {
  struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads *p = (struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads *)o;
  PyObject_GC_UnTrack(o);
  __Pyx_call_destructor(p->__pyx_v_node_indices);
  __Pyx_call_destructor(p->__pyx_t_0);
  Py_CLEAR(p->__pyx_v_self);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads)))) {
    __pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads[__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads++] = ((struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads *p = (struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads *)o;
  if (p->__pyx_v_self) {
    e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e;
  }
  return 0;
}

static PyTypeObject __pyx_type_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads = {
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  sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
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  #endif
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  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads, /*tp_traverse*/
  0, /*tp_clear*/
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  __pyx_tp_new_5spacy_6tokens_5graph___pyx_scope_struct_1_walk_heads, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
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  0, /*tp_finalize*/
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  #if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
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  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
  0, /*tp_pypy_flags*/
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static struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails *__pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails[8];
static int __pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails = 0;

static PyObject *__pyx_tp_new_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails *p;
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails)))) {
    o = (PyObject*)__pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails[--__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails];
    memset(o, 0, sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  p = ((struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails *)o);
  new((void*)&(p->__pyx_v_node_indices)) std::vector<int> ();
  new((void*)&(p->__pyx_t_0)) std::vector<int> ::iterator();
  return o;
}

static void __pyx_tp_dealloc_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails(PyObject *o) {
  struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails *p = (struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails *)o;
  PyObject_GC_UnTrack(o);
  __Pyx_call_destructor(p->__pyx_v_node_indices);
  __Pyx_call_destructor(p->__pyx_t_0);
  Py_CLEAR(p->__pyx_v_self);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails)))) {
    __pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails[__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails++] = ((struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails *p = (struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails *)o;
  if (p->__pyx_v_self) {
    e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e;
  }
  return 0;
}

static PyTypeObject __pyx_type_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails = {
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  __pyx_tp_dealloc_5spacy_6tokens_5graph___pyx_scope_struct_2_walk_tails, /*tp_dealloc*/
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static struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads *__pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads[8];
static int __pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads = 0;

static PyObject *__pyx_tp_new_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
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    o = (PyObject*)__pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads[--__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads];
    memset(o, 0, sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  return o;
}

static void __pyx_tp_dealloc_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads(PyObject *o) {
  struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads *p = (struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads *)o;
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->__pyx_v_self);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads)))) {
    __pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads[__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads++] = ((struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads(PyObject *o, visitproc v, void *a) {
  int e;
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}

static PyTypeObject __pyx_type_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads = {
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  __pyx_tp_dealloc_5spacy_6tokens_5graph___pyx_scope_struct_3_walk_heads, /*tp_dealloc*/
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static struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails *__pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails[8];
static int __pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails = 0;

static PyObject *__pyx_tp_new_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
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    memset(o, 0, sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails));
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static void __pyx_tp_dealloc_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails(PyObject *o) {
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    __pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails[__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails++] = ((struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails *)o);
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}

static int __pyx_tp_traverse_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails(PyObject *o, visitproc v, void *a) {
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}

static PyTypeObject __pyx_type_5spacy_6tokens_5graph___pyx_scope_struct_4_walk_tails = {
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static struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_5___get__ *__pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_5___get__[8];
static int __pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_5___get__ = 0;

static PyObject *__pyx_tp_new_5spacy_6tokens_5graph___pyx_scope_struct_5___get__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_5___get__ > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_5___get__)))) {
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    memset(o, 0, sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_5___get__));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
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static void __pyx_tp_dealloc_5spacy_6tokens_5graph___pyx_scope_struct_5___get__(PyObject *o) {
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  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->__pyx_v_self);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_5___get__ < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_5___get__)))) {
    __pyx_freelist_5spacy_6tokens_5graph___pyx_scope_struct_5___get__[__pyx_freecount_5spacy_6tokens_5graph___pyx_scope_struct_5___get__++] = ((struct __pyx_obj_5spacy_6tokens_5graph___pyx_scope_struct_5___get__ *)o);
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    (*Py_TYPE(o)->tp_free)(o);
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}

static int __pyx_tp_traverse_5spacy_6tokens_5graph___pyx_scope_struct_5___get__(PyObject *o, visitproc v, void *a) {
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    e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e;
  }
  return 0;
}

static PyTypeObject __pyx_type_5spacy_6tokens_5graph___pyx_scope_struct_5___get__ = {
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            "name '%.200s' is not defined", PyString_AS_STRING(name));
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        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
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        "%s() got multiple values for keyword argument '%s'", func_name,
        PyString_AsString(kw_name));
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    PyObject *kwds2,
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invalid_keyword_type:
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    PyErr_Format(PyExc_TypeError,
    #if PY_MAJOR_VERSION < 3
        "%.200s() got an unexpected keyword argument '%.200s'",
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        "%s() got an unexpected keyword argument '%U'",
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}

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static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
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    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
        return NULL;
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    Py_LeaveRecursiveCall();
    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
        PyErr_SetString(
            PyExc_SystemError,
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        PyObject *r = PyTuple_GET_ITEM(o, wrapped_i);
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    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
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static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
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}

/* GetAttr3 */
static PyObject *__Pyx_GetAttr3Default(PyObject *d) {
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
        return NULL;
    __Pyx_PyErr_Clear();
    Py_INCREF(d);
    return d;
}
static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) {
    PyObject *r = __Pyx_GetAttr(o, n);
    return (likely(r)) ? r : __Pyx_GetAttr3Default(d);
}

/* PyDictVersioning */
#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) {
    PyObject *dict = Py_TYPE(obj)->tp_dict;
    return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0;
}
static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) {
    PyObject **dictptr = NULL;
    Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset;
    if (offset) {
#if CYTHON_COMPILING_IN_CPYTHON
        dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj);
#else
        dictptr = _PyObject_GetDictPtr(obj);
#endif
    }
    return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0;
}
static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) {
    PyObject *dict = Py_TYPE(obj)->tp_dict;
    if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict)))
        return 0;
    return obj_dict_version == __Pyx_get_object_dict_version(obj);
}
#endif

/* GetModuleGlobalName */
#if CYTHON_USE_DICT_VERSIONS
static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value)
#else
static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
#endif
{
    PyObject *result;
#if !CYTHON_AVOID_BORROWED_REFS
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1
    result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash);
    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
    if (likely(result)) {
        return __Pyx_NewRef(result);
    } else if (unlikely(PyErr_Occurred())) {
        return NULL;
    }
#else
    result = PyDict_GetItem(__pyx_d, name);
    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
    if (likely(result)) {
        return __Pyx_NewRef(result);
    }
#endif
#else
    result = PyObject_GetItem(__pyx_d, name);
    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
    if (likely(result)) {
        return __Pyx_NewRef(result);
    }
    PyErr_Clear();
#endif
    return __Pyx_GetBuiltinName(name);
}

/* PyCFunctionFastCall */
#if CYTHON_FAST_PYCCALL
static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) {
    PyCFunctionObject *func = (PyCFunctionObject*)func_obj;
    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
    PyObject *self = PyCFunction_GET_SELF(func);
    int flags = PyCFunction_GET_FLAGS(func);
    assert(PyCFunction_Check(func));
    assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS)));
    assert(nargs >= 0);
    assert(nargs == 0 || args != NULL);
    /* _PyCFunction_FastCallDict() must not be called with an exception set,
       because it may clear it (directly or indirectly) and so the
       caller loses its exception */
    assert(!PyErr_Occurred());
    if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) {
        return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL);
    } else {
        return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs);
    }
}
#endif

/* PyFunctionFastCall */
#if CYTHON_FAST_PYCALL
static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
                                               PyObject *globals) {
    PyFrameObject *f;
    PyThreadState *tstate = __Pyx_PyThreadState_Current;
    PyObject **fastlocals;
    Py_ssize_t i;
    PyObject *result;
    assert(globals != NULL);
    /* XXX Perhaps we should create a specialized
       PyFrame_New() that doesn't take locals, but does
       take builtins without sanity checking them.
       */
    assert(tstate != NULL);
    f = PyFrame_New(tstate, co, globals, NULL);
    if (f == NULL) {
        return NULL;
    }
    fastlocals = __Pyx_PyFrame_GetLocalsplus(f);
    for (i = 0; i < na; i++) {
        Py_INCREF(*args);
        fastlocals[i] = *args++;
    }
    result = PyEval_EvalFrameEx(f,0);
    ++tstate->recursion_depth;
    Py_DECREF(f);
    --tstate->recursion_depth;
    return result;
}
#if 1 || PY_VERSION_HEX < 0x030600B1
static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) {
    PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
    PyObject *globals = PyFunction_GET_GLOBALS(func);
    PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
    PyObject *closure;
#if PY_MAJOR_VERSION >= 3
    PyObject *kwdefs;
#endif
    PyObject *kwtuple, **k;
    PyObject **d;
    Py_ssize_t nd;
    Py_ssize_t nk;
    PyObject *result;
    assert(kwargs == NULL || PyDict_Check(kwargs));
    nk = kwargs ? PyDict_Size(kwargs) : 0;
    if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
        return NULL;
    }
    if (
#if PY_MAJOR_VERSION >= 3
            co->co_kwonlyargcount == 0 &&
#endif
            likely(kwargs == NULL || nk == 0) &&
            co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
        if (argdefs == NULL && co->co_argcount == nargs) {
            result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
            goto done;
        }
        else if (nargs == 0 && argdefs != NULL
                 && co->co_argcount == Py_SIZE(argdefs)) {
            /* function called with no arguments, but all parameters have
               a default value: use default values as arguments .*/
            args = &PyTuple_GET_ITEM(argdefs, 0);
            result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
            goto done;
        }
    }
    if (kwargs != NULL) {
        Py_ssize_t pos, i;
        kwtuple = PyTuple_New(2 * nk);
        if (kwtuple == NULL) {
            result = NULL;
            goto done;
        }
        k = &PyTuple_GET_ITEM(kwtuple, 0);
        pos = i = 0;
        while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
            Py_INCREF(k[i]);
            Py_INCREF(k[i+1]);
            i += 2;
        }
        nk = i / 2;
    }
    else {
        kwtuple = NULL;
        k = NULL;
    }
    closure = PyFunction_GET_CLOSURE(func);
#if PY_MAJOR_VERSION >= 3
    kwdefs = PyFunction_GET_KW_DEFAULTS(func);
#endif
    if (argdefs != NULL) {
        d = &PyTuple_GET_ITEM(argdefs, 0);
        nd = Py_SIZE(argdefs);
    }
    else {
        d = NULL;
        nd = 0;
    }
#if PY_MAJOR_VERSION >= 3
    result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
                               args, (int)nargs,
                               k, (int)nk,
                               d, (int)nd, kwdefs, closure);
#else
    result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
                               args, (int)nargs,
                               k, (int)nk,
                               d, (int)nd, closure);
#endif
    Py_XDECREF(kwtuple);
done:
    Py_LeaveRecursiveCall();
    return result;
}
#endif
#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 (__Pyx_PyFastCFunction_Check(func)) {
            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

/* 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

/* 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_CyFunction_Check(func)))
#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

/* 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;
}

/* PyIntBinop */
#if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) {
    (void)inplace;
    (void)zerodivision_check;
    #if PY_MAJOR_VERSION < 3
    if (likely(PyInt_CheckExact(op1))) {
        const long b = intval;
        long x;
        long a = PyInt_AS_LONG(op1);
            x = (long)((unsigned long)a + b);
            if (likely((x^a) >= 0 || (x^b) >= 0))
                return PyInt_FromLong(x);
            return PyLong_Type.tp_as_number->nb_add(op1, op2);
    }
    #endif
    #if CYTHON_USE_PYLONG_INTERNALS
    if (likely(PyLong_CheckExact(op1))) {
        const long b = intval;
        long a, x;
#ifdef HAVE_LONG_LONG
        const PY_LONG_LONG llb = intval;
        PY_LONG_LONG lla, llx;
#endif
        const digit* digits = ((PyLongObject*)op1)->ob_digit;
        const Py_ssize_t size = Py_SIZE(op1);
        if (likely(__Pyx_sst_abs(size) <= 1)) {
            a = likely(size) ? digits[0] : 0;
            if (size == -1) a = -a;
        } else {
            switch (size) {
                case -2:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                        lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case 2:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                        lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case -3:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                        lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case 3:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                        lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case -4:
                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                        a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                        lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case 4:
                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                        a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                        lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                default: return PyLong_Type.tp_as_number->nb_add(op1, op2);
            }
        }
                x = a + b;
            return PyLong_FromLong(x);
#ifdef HAVE_LONG_LONG
        long_long:
                llx = lla + llb;
            return PyLong_FromLongLong(llx);
#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

/* WriteUnraisableException */
static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
                                  CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename,
                                  int full_traceback, CYTHON_UNUSED int nogil) {
    PyObject *old_exc, *old_val, *old_tb;
    PyObject *ctx;
    __Pyx_PyThreadState_declare
#ifdef WITH_THREAD
    PyGILState_STATE state;
    if (nogil)
        state = PyGILState_Ensure();
#ifdef _MSC_VER
    else state = (PyGILState_STATE)-1;
#endif
#endif
    __Pyx_PyThreadState_assign
    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
    if (full_traceback) {
        Py_XINCREF(old_exc);
        Py_XINCREF(old_val);
        Py_XINCREF(old_tb);
        __Pyx_ErrRestore(old_exc, old_val, old_tb);
        PyErr_PrintEx(1);
    }
    #if PY_MAJOR_VERSION < 3
    ctx = PyString_FromString(name);
    #else
    ctx = PyUnicode_FromString(name);
    #endif
    __Pyx_ErrRestore(old_exc, old_val, old_tb);
    if (!ctx) {
        PyErr_WriteUnraisable(Py_None);
    } else {
        PyErr_WriteUnraisable(ctx);
        Py_DECREF(ctx);
    }
#ifdef WITH_THREAD
    if (nogil)
        PyGILState_Release(state);
#endif
}

/* BytesEquals */
static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
#if CYTHON_COMPILING_IN_PYPY
    return PyObject_RichCompareBool(s1, s2, equals);
#else
    if (s1 == s2) {
        return (equals == Py_EQ);
    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
        const char *ps1, *ps2;
        Py_ssize_t length = PyBytes_GET_SIZE(s1);
        if (length != PyBytes_GET_SIZE(s2))
            return (equals == Py_NE);
        ps1 = PyBytes_AS_STRING(s1);
        ps2 = PyBytes_AS_STRING(s2);
        if (ps1[0] != ps2[0]) {
            return (equals == Py_NE);
        } else if (length == 1) {
            return (equals == Py_EQ);
        } else {
            int result;
#if CYTHON_USE_UNICODE_INTERNALS && (PY_VERSION_HEX < 0x030B0000)
            Py_hash_t hash1, hash2;
            hash1 = ((PyBytesObject*)s1)->ob_shash;
            hash2 = ((PyBytesObject*)s2)->ob_shash;
            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
                return (equals == Py_NE);
            }
#endif
            result = memcmp(ps1, ps2, (size_t)length);
            return (equals == Py_EQ) ? (result == 0) : (result != 0);
        }
    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
        return (equals == Py_NE);
    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
        return (equals == Py_NE);
    } else {
        int result;
        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
        if (!py_result)
            return -1;
        result = __Pyx_PyObject_IsTrue(py_result);
        Py_DECREF(py_result);
        return result;
    }
#endif
}

/* UnicodeEquals */
static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
#if CYTHON_COMPILING_IN_PYPY
    return PyObject_RichCompareBool(s1, s2, equals);
#else
#if PY_MAJOR_VERSION < 3
    PyObject* owned_ref = NULL;
#endif
    int s1_is_unicode, s2_is_unicode;
    if (s1 == s2) {
        goto return_eq;
    }
    s1_is_unicode = PyUnicode_CheckExact(s1);
    s2_is_unicode = PyUnicode_CheckExact(s2);
#if PY_MAJOR_VERSION < 3
    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
        owned_ref = PyUnicode_FromObject(s2);
        if (unlikely(!owned_ref))
            return -1;
        s2 = owned_ref;
        s2_is_unicode = 1;
    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
        owned_ref = PyUnicode_FromObject(s1);
        if (unlikely(!owned_ref))
            return -1;
        s1 = owned_ref;
        s1_is_unicode = 1;
    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
        return __Pyx_PyBytes_Equals(s1, s2, equals);
    }
#endif
    if (s1_is_unicode & s2_is_unicode) {
        Py_ssize_t length;
        int kind;
        void *data1, *data2;
        if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0))
            return -1;
        length = __Pyx_PyUnicode_GET_LENGTH(s1);
        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
            goto return_ne;
        }
#if CYTHON_USE_UNICODE_INTERNALS
        {
            Py_hash_t hash1, hash2;
        #if CYTHON_PEP393_ENABLED
            hash1 = ((PyASCIIObject*)s1)->hash;
            hash2 = ((PyASCIIObject*)s2)->hash;
        #else
            hash1 = ((PyUnicodeObject*)s1)->hash;
            hash2 = ((PyUnicodeObject*)s2)->hash;
        #endif
            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
                goto return_ne;
            }
        }
#endif
        kind = __Pyx_PyUnicode_KIND(s1);
        if (kind != __Pyx_PyUnicode_KIND(s2)) {
            goto return_ne;
        }
        data1 = __Pyx_PyUnicode_DATA(s1);
        data2 = __Pyx_PyUnicode_DATA(s2);
        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
            goto return_ne;
        } else if (length == 1) {
            goto return_eq;
        } else {
            int result = memcmp(data1, data2, (size_t)(length * kind));
            #if PY_MAJOR_VERSION < 3
            Py_XDECREF(owned_ref);
            #endif
            return (equals == Py_EQ) ? (result == 0) : (result != 0);
        }
    } else if ((s1 == Py_None) & s2_is_unicode) {
        goto return_ne;
    } else if ((s2 == Py_None) & s1_is_unicode) {
        goto return_ne;
    } else {
        int result;
        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
        #if PY_MAJOR_VERSION < 3
        Py_XDECREF(owned_ref);
        #endif
        if (!py_result)
            return -1;
        result = __Pyx_PyObject_IsTrue(py_result);
        Py_DECREF(py_result);
        return result;
    }
return_eq:
    #if PY_MAJOR_VERSION < 3
    Py_XDECREF(owned_ref);
    #endif
    return (equals == Py_EQ);
return_ne:
    #if PY_MAJOR_VERSION < 3
    Py_XDECREF(owned_ref);
    #endif
    return (equals == Py_NE);
#endif
}

/* SliceObject */
static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(PyObject* obj,
        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_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_slice(obj, cstart, cstop);
    }
#endif
    mp = Py_TYPE(obj)->tp_as_mapping;
    if (likely(mp && mp->mp_subscript))
#endif
    {
        PyObject* 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_subscript(obj, py_slice);
#else
        result = PyObject_GetItem(obj, py_slice);
#endif
        if (!_py_slice) {
            Py_DECREF(py_slice);
        }
        return result;
    }
    PyErr_Format(PyExc_TypeError,
        "'%.200s' object is unsliceable", Py_TYPE(obj)->tp_name);
bad:
    return NULL;
}

/* ExtTypeTest */
static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
    if (unlikely(!type)) {
        PyErr_SetString(PyExc_SystemError, "Missing type object");
        return 0;
    }
    if (likely(__Pyx_TypeCheck(obj, type)))
        return 1;
    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
                 Py_TYPE(obj)->tp_name, type->tp_name);
    return 0;
}

/* 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;
}

/* GetTopmostException */
#if CYTHON_USE_EXC_INFO_STACK
static _PyErr_StackItem *
__Pyx_PyErr_GetTopmostException(PyThreadState *tstate)
{
    _PyErr_StackItem *exc_info = tstate->exc_info;
    while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) &&
           exc_info->previous_item != NULL)
    {
        exc_info = exc_info->previous_item;
    }
    return exc_info;
}
#endif

/* SaveResetException */
#if CYTHON_FAST_THREAD_STATE
static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
    #if CYTHON_USE_EXC_INFO_STACK
    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
    *type = exc_info->exc_type;
    *value = exc_info->exc_value;
    *tb = exc_info->exc_traceback;
    #else
    *type = tstate->exc_type;
    *value = tstate->exc_value;
    *tb = tstate->exc_traceback;
    #endif
    Py_XINCREF(*type);
    Py_XINCREF(*value);
    Py_XINCREF(*tb);
}
static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    #if CYTHON_USE_EXC_INFO_STACK
    _PyErr_StackItem *exc_info = tstate->exc_info;
    tmp_type = exc_info->exc_type;
    tmp_value = exc_info->exc_value;
    tmp_tb = exc_info->exc_traceback;
    exc_info->exc_type = type;
    exc_info->exc_value = value;
    exc_info->exc_traceback = tb;
    #else
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = type;
    tstate->exc_value = value;
    tstate->exc_traceback = tb;
    #endif
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
}
#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 CYTHON_USE_EXC_INFO_STACK
    _PyErr_StackItem *exc_info = tstate->exc_info;
    tmp_type = exc_info->exc_type;
    tmp_value = exc_info->exc_value;
    tmp_tb = exc_info->exc_traceback;
    exc_info->exc_type = *type;
    exc_info->exc_value = *value;
    exc_info->exc_traceback = *tb;
    #else
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = *type;
    tstate->exc_value = *value;
    tstate->exc_traceback = *tb;
    #endif
    *type = tmp_type;
    *value = tmp_value;
    *tb = tmp_tb;
}
#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

/* PyObjectCall2Args */
static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) {
    PyObject *args, *result = NULL;
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(function)) {
        PyObject *args[2] = {arg1, arg2};
        return __Pyx_PyFunction_FastCall(function, args, 2);
    }
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(function)) {
        PyObject *args[2] = {arg1, arg2};
        return __Pyx_PyCFunction_FastCall(function, args, 2);
    }
    #endif
    args = PyTuple_New(2);
    if (unlikely(!args)) goto done;
    Py_INCREF(arg1);
    PyTuple_SET_ITEM(args, 0, arg1);
    Py_INCREF(arg2);
    PyTuple_SET_ITEM(args, 1, arg2);
    Py_INCREF(function);
    result = __Pyx_PyObject_Call(function, args, NULL);
    Py_DECREF(args);
    Py_DECREF(function);
done:
    return result;
}

/* PyObjectGetMethod */
static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method) {
    PyObject *attr;
#if CYTHON_UNPACK_METHODS && CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_PYTYPE_LOOKUP
    PyTypeObject *tp = Py_TYPE(obj);
    PyObject *descr;
    descrgetfunc f = NULL;
    PyObject **dictptr, *dict;
    int meth_found = 0;
    assert (*method == NULL);
    if (unlikely(tp->tp_getattro != PyObject_GenericGetAttr)) {
        attr = __Pyx_PyObject_GetAttrStr(obj, name);
        goto try_unpack;
    }
    if (unlikely(tp->tp_dict == NULL) && unlikely(PyType_Ready(tp) < 0)) {
        return 0;
    }
    descr = _PyType_Lookup(tp, name);
    if (likely(descr != NULL)) {
        Py_INCREF(descr);
#if PY_MAJOR_VERSION >= 3
        #ifdef __Pyx_CyFunction_USED
        if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type) || __Pyx_CyFunction_Check(descr)))
        #else
        if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type)))
        #endif
#else
        #ifdef __Pyx_CyFunction_USED
        if (likely(PyFunction_Check(descr) || __Pyx_CyFunction_Check(descr)))
        #else
        if (likely(PyFunction_Check(descr)))
        #endif
#endif
        {
            meth_found = 1;
        } else {
            f = Py_TYPE(descr)->tp_descr_get;
            if (f != NULL && PyDescr_IsData(descr)) {
                attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
                Py_DECREF(descr);
                goto try_unpack;
            }
        }
    }
    dictptr = _PyObject_GetDictPtr(obj);
    if (dictptr != NULL && (dict = *dictptr) != NULL) {
        Py_INCREF(dict);
        attr = __Pyx_PyDict_GetItemStr(dict, name);
        if (attr != NULL) {
            Py_INCREF(attr);
            Py_DECREF(dict);
            Py_XDECREF(descr);
            goto try_unpack;
        }
        Py_DECREF(dict);
    }
    if (meth_found) {
        *method = descr;
        return 1;
    }
    if (f != NULL) {
        attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
        Py_DECREF(descr);
        goto try_unpack;
    }
    if (descr != NULL) {
        *method = descr;
        return 0;
    }
    PyErr_Format(PyExc_AttributeError,
#if PY_MAJOR_VERSION >= 3
                 "'%.50s' object has no attribute '%U'",
                 tp->tp_name, name);
#else
                 "'%.50s' object has no attribute '%.400s'",
                 tp->tp_name, PyString_AS_STRING(name));
#endif
    return 0;
#else
    attr = __Pyx_PyObject_GetAttrStr(obj, name);
    goto try_unpack;
#endif
try_unpack:
#if CYTHON_UNPACK_METHODS
    if (likely(attr) && PyMethod_Check(attr) && likely(PyMethod_GET_SELF(attr) == obj)) {
        PyObject *function = PyMethod_GET_FUNCTION(attr);
        Py_INCREF(function);
        Py_DECREF(attr);
        *method = function;
        return 1;
    }
#endif
    *method = attr;
    return 0;
}

/* PyObjectCallMethod1 */
static PyObject* __Pyx__PyObject_CallMethod1(PyObject* method, PyObject* arg) {
    PyObject *result = __Pyx_PyObject_CallOneArg(method, arg);
    Py_DECREF(method);
    return result;
}
static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg) {
    PyObject *method = NULL, *result;
    int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method);
    if (likely(is_method)) {
        result = __Pyx_PyObject_Call2Args(method, obj, arg);
        Py_DECREF(method);
        return result;
    }
    if (unlikely(!method)) return NULL;
    return __Pyx__PyObject_CallMethod1(method, arg);
}

/* CoroutineBase */
#include <structmember.h>
#include <frameobject.h>
#if PY_VERSION_HEX >= 0x030b00a6
  #ifndef Py_BUILD_CORE
    #define Py_BUILD_CORE 1
  #endif
  #include "internal/pycore_frame.h"
#endif
#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_ExcInfoStruct *exc_state) {
    PyObject *t, *v, *tb;
    t = exc_state->exc_type;
    v = exc_state->exc_value;
    tb = exc_state->exc_traceback;
    exc_state->exc_type = NULL;
    exc_state->exc_value = NULL;
    exc_state->exc_traceback = NULL;
    Py_XDECREF(t);
    Py_XDECREF(v);
    Py_XDECREF(tb);
}
#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_Check((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_Check(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_Check(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;
    __Pyx_ExcInfoStruct *exc_state;
    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
    exc_state = &self->gi_exc_state;
    if (exc_state->exc_type) {
        #if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
        #else
        if (exc_state->exc_traceback) {
            PyTracebackObject *tb = (PyTracebackObject *) exc_state->exc_traceback;
            PyFrameObject *f = tb->tb_frame;
            assert(f->f_back == NULL);
            #if PY_VERSION_HEX >= 0x030B00A1
            f->f_back = PyThreadState_GetFrame(tstate);
            #else
            Py_XINCREF(tstate->frame);
            f->f_back = tstate->frame;
            #endif
        }
        #endif
    }
#if CYTHON_USE_EXC_INFO_STACK
    exc_state->previous_item = tstate->exc_info;
    tstate->exc_info = exc_state;
#else
    if (exc_state->exc_type) {
        __Pyx_ExceptionSwap(&exc_state->exc_type, &exc_state->exc_value, &exc_state->exc_traceback);
    } else {
        __Pyx_Coroutine_ExceptionClear(exc_state);
        __Pyx_ExceptionSave(&exc_state->exc_type, &exc_state->exc_value, &exc_state->exc_traceback);
    }
#endif
    self->is_running = 1;
    retval = self->body((PyObject *) self, tstate, value);
    self->is_running = 0;
#if CYTHON_USE_EXC_INFO_STACK
    exc_state = &self->gi_exc_state;
    tstate->exc_info = exc_state->previous_item;
    exc_state->previous_item = NULL;
    __Pyx_Coroutine_ResetFrameBackpointer(exc_state);
#endif
    return retval;
}
static CYTHON_INLINE void __Pyx_Coroutine_ResetFrameBackpointer(__Pyx_ExcInfoStruct *exc_state) {
    PyObject *exc_tb = exc_state->exc_traceback;
    if (likely(exc_tb)) {
#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
#else
        PyTracebackObject *tb = (PyTracebackObject *) exc_tb;
        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;
}
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
static CYTHON_INLINE
PyObject *__Pyx_PyGen_Send(PyGenObject *gen, PyObject *arg) {
#if PY_VERSION_HEX <= 0x030A00A1
    return _PyGen_Send(gen, arg);
#else
    PyObject *result;
    if (PyIter_Send((PyObject*)gen, arg ? arg : Py_None, &result) == PYGEN_RETURN) {
        if (PyAsyncGen_CheckExact(gen)) {
            assert(result == Py_None);
            PyErr_SetNone(PyExc_StopAsyncIteration);
        }
        else if (result == Py_None) {
            PyErr_SetNone(PyExc_StopIteration);
        }
        else {
            _PyGen_SetStopIterationValue(result);
        }
        Py_CLEAR(result);
    }
    return result;
#endif
}
#endif
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_Check(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 = __Pyx_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 = __Pyx_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_Check(yf)) {
        retval = __Pyx_Coroutine_Close(yf);
        if (!retval)
            return -1;
    } else
    if (__Pyx_CoroutineAwait_CheckExact(yf)) {
        retval = __Pyx_CoroutineAwait_Close((__pyx_CoroutineAwaitObject*)yf, NULL);
        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 = __Pyx_PyGen_Send((PyGenObject*)yf, NULL);
        } else
        #endif
        #ifdef __Pyx_Coroutine_USED
        if (__Pyx_Coroutine_Check(yf)) {
            ret = __Pyx_Coroutine_Send(yf, Py_None);
        } 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_Method(PyObject *self, CYTHON_UNUSED PyObject *arg) {
    return __Pyx_Coroutine_Close(self);
}
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_Check(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_Check(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 CYTHON_INLINE int __Pyx_Coroutine_traverse_excstate(__Pyx_ExcInfoStruct *exc_state, visitproc visit, void *arg) {
    Py_VISIT(exc_state->exc_type);
    Py_VISIT(exc_state->exc_value);
    Py_VISIT(exc_state->exc_traceback);
    return 0;
}
static int __Pyx_Coroutine_traverse(__pyx_CoroutineObject *gen, visitproc visit, void *arg) {
    Py_VISIT(gen->closure);
    Py_VISIT(gen->classobj);
    Py_VISIT(gen->yieldfrom);
    return __Pyx_Coroutine_traverse_excstate(&gen->gi_exc_state, visit, arg);
}
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);
    __Pyx_Coroutine_ExceptionClear(&gen->gi_exc_state);
#ifdef __Pyx_AsyncGen_USED
    if (__Pyx_AsyncGen_CheckExact(self)) {
        Py_CLEAR(((__pyx_PyAsyncGenObject*)gen)->ag_finalizer);
    }
#endif
    Py_CLEAR(gen->gi_code);
    Py_CLEAR(gen->gi_frame);
    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 (Py_REFCNT(self) > 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);
    __Pyx_SET_REFCNT(self, 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(Py_REFCNT(self) > 0);
    if (--self->ob_refcnt == 0) {
        return;
    }
    {
        Py_ssize_t refcnt = Py_REFCNT(self);
        _Py_NewReference(self);
        __Pyx_SET_REFCNT(self, refcnt);
    }
#if CYTHON_COMPILING_IN_CPYTHON
    assert(PyType_IS_GC(Py_TYPE(self)) &&
           _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, CYTHON_UNUSED void *context)
{
    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, CYTHON_UNUSED void *context)
{
    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, CYTHON_UNUSED void *context)
{
    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, CYTHON_UNUSED void *context)
{
    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 PyObject *
__Pyx_Coroutine_get_frame(__pyx_CoroutineObject *self, CYTHON_UNUSED void *context)
{
    PyObject *frame = self->gi_frame;
    if (!frame) {
        if (unlikely(!self->gi_code)) {
            Py_RETURN_NONE;
        }
        frame = (PyObject *) PyFrame_New(
            PyThreadState_Get(),            /*PyThreadState *tstate,*/
            (PyCodeObject*) self->gi_code,  /*PyCodeObject *code,*/
            __pyx_d,                 /*PyObject *globals,*/
            0                               /*PyObject *locals*/
        );
        if (unlikely(!frame))
            return NULL;
        self->gi_frame = frame;
    }
    Py_INCREF(frame);
    return frame;
}
static __pyx_CoroutineObject *__Pyx__Coroutine_New(
            PyTypeObject* type, __pyx_coroutine_body_t body, PyObject *code, 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, code, closure, name, qualname, module_name);
}
static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit(
            __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *code, 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->gi_exc_state.exc_type = NULL;
    gen->gi_exc_state.exc_value = NULL;
    gen->gi_exc_state.exc_traceback = NULL;
#if CYTHON_USE_EXC_INFO_STACK
    gen->gi_exc_state.previous_item = NULL;
#endif
    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;
    Py_XINCREF(code);
    gen->gi_code = code;
    gen->gi_frame = NULL;
    PyObject_GC_Track(gen);
    return gen;
}

/* PyObject_GenericGetAttrNoDict */
#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) {
    PyErr_Format(PyExc_AttributeError,
#if PY_MAJOR_VERSION >= 3
                 "'%.50s' object has no attribute '%U'",
                 tp->tp_name, attr_name);
#else
                 "'%.50s' object has no attribute '%.400s'",
                 tp->tp_name, PyString_AS_STRING(attr_name));
#endif
    return NULL;
}
static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) {
    PyObject *descr;
    PyTypeObject *tp = Py_TYPE(obj);
    if (unlikely(!PyString_Check(attr_name))) {
        return PyObject_GenericGetAttr(obj, attr_name);
    }
    assert(!tp->tp_dictoffset);
    descr = _PyType_Lookup(tp, attr_name);
    if (unlikely(!descr)) {
        return __Pyx_RaiseGenericGetAttributeError(tp, attr_name);
    }
    Py_INCREF(descr);
    #if PY_MAJOR_VERSION < 3
    if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS)))
    #endif
    {
        descrgetfunc f = Py_TYPE(descr)->tp_descr_get;
        if (unlikely(f)) {
            PyObject *res = f(descr, obj, (PyObject *)tp);
            Py_DECREF(descr);
            return res;
        }
    }
    return descr;
}
#endif

/* 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_Method, 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")},
    {(char*) "gi_code", T_OBJECT, offsetof(__pyx_CoroutineObject, gi_code), READONLY, NULL},
    {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},
    {(char *) "gi_frame", (getter)__Pyx_Coroutine_get_frame, NULL,
     (char*) PyDoc_STR("Frame 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
#if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
    0,
#endif
#if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
    0,
#endif
#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
    0,
#endif
};
static int __pyx_Generator_init(void) {
    __pyx_GeneratorType_type.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict;
    __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
    __pyx_GeneratorType = __Pyx_FetchCommonType(&__pyx_GeneratorType_type);
    if (unlikely(!__pyx_GeneratorType)) {
        return -1;
    }
    return 0;
}

/* GeneratorYieldFrom */
static void __PyxPyIter_CheckErrorAndDecref(PyObject *source) {
    PyErr_Format(PyExc_TypeError,
                 "iter() returned non-iterator of type '%.100s'",
                 Py_TYPE(source)->tp_name);
    Py_DECREF(source);
}
static CYTHON_INLINE PyObject* __Pyx_Generator_Yield_From(__pyx_CoroutineObject *gen, PyObject *source) {
    PyObject *source_gen, *retval;
#ifdef __Pyx_Coroutine_USED
    if (__Pyx_Coroutine_Check(source)) {
        Py_INCREF(source);
        source_gen = source;
        retval = __Pyx_Generator_Next(source);
    } else
#endif
    {
#if CYTHON_USE_TYPE_SLOTS
        if (likely(Py_TYPE(source)->tp_iter)) {
            source_gen = Py_TYPE(source)->tp_iter(source);
            if (unlikely(!source_gen))
                return NULL;
            if (unlikely(!PyIter_Check(source_gen))) {
                __PyxPyIter_CheckErrorAndDecref(source_gen);
                return NULL;
            }
        } else
#endif
        {
            source_gen = PyObject_GetIter(source);
            if (unlikely(!source_gen))
                return NULL;
        }
#if CYTHON_USE_TYPE_SLOTS
        retval = Py_TYPE(source_gen)->tp_iternext(source_gen);
#else
        retval = PyIter_Next(source_gen);
#endif
    }
    if (likely(retval)) {
        gen->yieldfrom = source_gen;
        return retval;
    }
    Py_DECREF(source_gen);
    return NULL;
}

/* Import */
static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
    PyObject *empty_list = 0;
    PyObject *module = 0;
    PyObject *global_dict = 0;
    PyObject *empty_dict = 0;
    PyObject *list;
    #if PY_MAJOR_VERSION < 3
    PyObject *py_import;
    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
    if (!py_import)
        goto bad;
    #endif
    if (from_list)
        list = from_list;
    else {
        empty_list = PyList_New(0);
        if (!empty_list)
            goto bad;
        list = empty_list;
    }
    global_dict = PyModule_GetDict(__pyx_m);
    if (!global_dict)
        goto bad;
    empty_dict = PyDict_New();
    if (!empty_dict)
        goto bad;
    {
        #if PY_MAJOR_VERSION >= 3
        if (level == -1) {
            if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) {
                module = PyImport_ImportModuleLevelObject(
                    name, global_dict, empty_dict, list, 1);
                if (!module) {
                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
                        goto bad;
                    PyErr_Clear();
                }
            }
            level = 0;
        }
        #endif
        if (!module) {
            #if PY_MAJOR_VERSION < 3
            PyObject *py_level = PyInt_FromLong(level);
            if (!py_level)
                goto bad;
            module = PyObject_CallFunctionObjArgs(py_import,
                name, global_dict, empty_dict, list, py_level, (PyObject *)NULL);
            Py_DECREF(py_level);
            #else
            module = PyImport_ImportModuleLevelObject(
                name, global_dict, empty_dict, list, level);
            #endif
        }
    }
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;
}

/* HasAttr */
static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) {
    PyObject *r;
    if (unlikely(!__Pyx_PyBaseString_Check(n))) {
        PyErr_SetString(PyExc_TypeError,
                        "hasattr(): attribute name must be string");
        return -1;
    }
    r = __Pyx_GetAttr(o, n);
    if (unlikely(!r)) {
        PyErr_Clear();
        return 0;
    } else {
        Py_DECREF(r);
        return 1;
    }
}

/* PyObject_GenericGetAttr */
#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) {
    if (unlikely(Py_TYPE(obj)->tp_dictoffset)) {
        return PyObject_GenericGetAttr(obj, attr_name);
    }
    return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name);
}
#endif

/* PyObjectGetAttrStrNoError */
static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) {
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
        __Pyx_PyErr_Clear();
}
static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) {
    PyObject *result;
#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1
    PyTypeObject* tp = Py_TYPE(obj);
    if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) {
        return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1);
    }
#endif
    result = __Pyx_PyObject_GetAttrStr(obj, attr_name);
    if (unlikely(!result)) {
        __Pyx_PyObject_GetAttrStr_ClearAttributeError();
    }
    return result;
}

/* SetupReduce */
static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
  int ret;
  PyObject *name_attr;
  name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name_2);
  if (likely(name_attr)) {
      ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
  } else {
      ret = -1;
  }
  if (unlikely(ret < 0)) {
      PyErr_Clear();
      ret = 0;
  }
  Py_XDECREF(name_attr);
  return ret;
}
static int __Pyx_setup_reduce(PyObject* type_obj) {
    int ret = 0;
    PyObject *object_reduce = NULL;
    PyObject *object_getstate = NULL;
    PyObject *object_reduce_ex = NULL;
    PyObject *reduce = NULL;
    PyObject *reduce_ex = NULL;
    PyObject *reduce_cython = NULL;
    PyObject *setstate = NULL;
    PyObject *setstate_cython = NULL;
    PyObject *getstate = NULL;
#if CYTHON_USE_PYTYPE_LOOKUP
    getstate = _PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate);
#else
    getstate = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_getstate);
    if (!getstate && PyErr_Occurred()) {
        goto __PYX_BAD;
    }
#endif
    if (getstate) {
#if CYTHON_USE_PYTYPE_LOOKUP
        object_getstate = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_getstate);
#else
        object_getstate = __Pyx_PyObject_GetAttrStrNoError((PyObject*)&PyBaseObject_Type, __pyx_n_s_getstate);
        if (!object_getstate && PyErr_Occurred()) {
            goto __PYX_BAD;
        }
#endif
        if (object_getstate != getstate) {
            goto __PYX_GOOD;
        }
    }
#if CYTHON_USE_PYTYPE_LOOKUP
    object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
#else
    object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
#endif
    reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD;
    if (reduce_ex == object_reduce_ex) {
#if CYTHON_USE_PYTYPE_LOOKUP
        object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
#else
        object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
#endif
        reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD;
        if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) {
            reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython);
            if (likely(reduce_cython)) {
                ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
                ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
            } else if (reduce == object_reduce || PyErr_Occurred()) {
                goto __PYX_BAD;
            }
            setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate);
            if (!setstate) PyErr_Clear();
            if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) {
                setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython);
                if (likely(setstate_cython)) {
                    ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
                    ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
                } else if (!setstate || PyErr_Occurred()) {
                    goto __PYX_BAD;
                }
            }
            PyType_Modified((PyTypeObject*)type_obj);
        }
    }
    goto __PYX_GOOD;
__PYX_BAD:
    if (!PyErr_Occurred())
        PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name);
    ret = -1;
__PYX_GOOD:
#if !CYTHON_USE_PYTYPE_LOOKUP
    Py_XDECREF(object_reduce);
    Py_XDECREF(object_reduce_ex);
    Py_XDECREF(object_getstate);
    Py_XDECREF(getstate);
#endif
    Py_XDECREF(reduce);
    Py_XDECREF(reduce_ex);
    Py_XDECREF(reduce_cython);
    Py_XDECREF(setstate);
    Py_XDECREF(setstate_cython);
    return ret;
}

/* SetVTable */
static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
#if PY_VERSION_HEX >= 0x02070000
    PyObject *ob = PyCapsule_New(vtable, 0, 0);
#else
    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
#endif
    if (!ob)
        goto bad;
    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
        goto bad;
    Py_DECREF(ob);
    return 0;
bad:
    Py_XDECREF(ob);
    return -1;
}

/* TypeImport */
#ifndef __PYX_HAVE_RT_ImportType
#define __PYX_HAVE_RT_ImportType
static PyTypeObject *__Pyx_ImportType(PyObject *module, const char *module_name, const char *class_name,
    size_t size, enum __Pyx_ImportType_CheckSize check_size)
{
    PyObject *result = 0;
    char warning[200];
    Py_ssize_t basicsize;
#ifdef Py_LIMITED_API
    PyObject *py_basicsize;
#endif
    result = PyObject_GetAttrString(module, class_name);
    if (!result)
        goto bad;
    if (!PyType_Check(result)) {
        PyErr_Format(PyExc_TypeError,
            "%.200s.%.200s is not a type object",
            module_name, class_name);
        goto bad;
    }
#ifndef Py_LIMITED_API
    basicsize = ((PyTypeObject *)result)->tp_basicsize;
#else
    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
    if (!py_basicsize)
        goto bad;
    basicsize = PyLong_AsSsize_t(py_basicsize);
    Py_DECREF(py_basicsize);
    py_basicsize = 0;
    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
        goto bad;
#endif
    if ((size_t)basicsize < size) {
        PyErr_Format(PyExc_ValueError,
            "%.200s.%.200s size changed, may indicate binary incompatibility. "
            "Expected %zd from C header, got %zd from PyObject",
            module_name, class_name, size, basicsize);
        goto bad;
    }
    if (check_size == __Pyx_ImportType_CheckSize_Error && (size_t)basicsize != size) {
        PyErr_Format(PyExc_ValueError,
            "%.200s.%.200s size changed, may indicate binary incompatibility. "
            "Expected %zd from C header, got %zd from PyObject",
            module_name, class_name, size, basicsize);
        goto bad;
    }
    else if (check_size == __Pyx_ImportType_CheckSize_Warn && (size_t)basicsize > size) {
        PyOS_snprintf(warning, sizeof(warning),
            "%s.%s size changed, may indicate binary incompatibility. "
            "Expected %zd from C header, got %zd from PyObject",
            module_name, class_name, size, basicsize);
        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
    }
    return (PyTypeObject *)result;
bad:
    Py_XDECREF(result);
    return NULL;
}
#endif

/* GetVTable */
static void* __Pyx_GetVtable(PyObject *dict) {
    void* ptr;
    PyObject *ob = PyObject_GetItem(dict, __pyx_n_s_pyx_vtable);
    if (!ob)
        goto bad;
#if PY_VERSION_HEX >= 0x02070000
    ptr = PyCapsule_GetPointer(ob, 0);
#else
    ptr = PyCObject_AsVoidPtr(ob);
#endif
    if (!ptr && !PyErr_Occurred())
        PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
    Py_DECREF(ob);
    return ptr;
bad:
    Py_XDECREF(ob);
    return NULL;
}

/* CythonFunctionShared */
#include <structmember.h>
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, CYTHON_UNUSED void *context)
{
    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, CYTHON_UNUSED void *context)
{
    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, CYTHON_UNUSED void *context)
{
    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, CYTHON_UNUSED void *context)
{
    Py_INCREF(op->func_qualname);
    return op->func_qualname;
}
static int
__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value, CYTHON_UNUSED void *context)
{
    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, CYTHON_UNUSED void *context)
{
    if (unlikely(op->func_dict == NULL)) {
        op->func_dict = PyDict_New();
        if (unlikely(op->func_dict == NULL))
            return NULL;
    }
    Py_INCREF(op->func_dict);
    return op->func_dict;
}
static int
__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value, CYTHON_UNUSED void *context)
{
    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, CYTHON_UNUSED void *context)
{
    Py_INCREF(op->func_globals);
    return op->func_globals;
}
static PyObject *
__Pyx_CyFunction_get_closure(CYTHON_UNUSED __pyx_CyFunctionObject *op, CYTHON_UNUSED void *context)
{
    Py_INCREF(Py_None);
    return Py_None;
}
static PyObject *
__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context)
{
    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, CYTHON_UNUSED void *context) {
    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, CYTHON_UNUSED void *context) {
    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, CYTHON_UNUSED void *context) {
    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, CYTHON_UNUSED void *context) {
    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, CYTHON_UNUSED void *context) {
    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, CYTHON_UNUSED void *context) {
    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
    Py_INCREF(m->func_qualname);
    return m->func_qualname;
#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_Init(__pyx_CyFunctionObject *op, PyMethodDef *ml, int flags, PyObject* qualname,
                                       PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
    if (unlikely(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_size = 0;
    op->defaults = NULL;
    op->defaults_tuple = NULL;
    op->defaults_kwdict = NULL;
    op->defaults_getter = NULL;
    op->func_annotations = NULL;
    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)
{
#if PY_MAJOR_VERSION < 3
    __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;
#endif
    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)(void*)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);
            PyErr_Format(PyExc_TypeError,
                         "unbound method %.200S() needs an argument",
                         cyfunc->func_qualname);
            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
#if PY_VERSION_HEX >= 0x030800b1 && (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM >= 0x07030800)
    0,
#endif
#if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
    0,
#endif
#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
    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;
    m->defaults_size = size;
    return m->defaults;
}
static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    m->defaults_tuple = tuple;
    Py_INCREF(tuple);
}
static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    m->defaults_kwdict = dict;
    Py_INCREF(dict);
}
static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    m->func_annotations = dict;
    Py_INCREF(dict);
}

/* CythonFunction */
static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml, int flags, PyObject* qualname,
                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
    PyObject *op = __Pyx_CyFunction_Init(
        PyObject_GC_New(__pyx_CyFunctionObject, __pyx_CyFunctionType),
        ml, flags, qualname, closure, module, globals, code
    );
    if (likely(op)) {
        PyObject_GC_Track(op);
    }
    return op;
}

/* DictGetItem */
#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) {
    PyObject *value;
    value = PyDict_GetItemWithError(d, key);
    if (unlikely(!value)) {
        if (!PyErr_Occurred()) {
            if (unlikely(PyTuple_Check(key))) {
                PyObject* args = PyTuple_Pack(1, key);
                if (likely(args)) {
                    PyErr_SetObject(PyExc_KeyError, args);
                    Py_DECREF(args);
                }
            } else {
                PyErr_SetObject(PyExc_KeyError, key);
            }
        }
        return NULL;
    }
    Py_INCREF(value);
    return value;
}
#endif

/* CLineInTraceback */
#ifndef CYTHON_CLINE_IN_TRACEBACK
static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) {
    PyObject *use_cline;
    PyObject *ptype, *pvalue, *ptraceback;
#if CYTHON_COMPILING_IN_CPYTHON
    PyObject **cython_runtime_dict;
#endif
    if (unlikely(!__pyx_cython_runtime)) {
        return c_line;
    }
    __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
#if CYTHON_COMPILING_IN_CPYTHON
    cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime);
    if (likely(cython_runtime_dict)) {
        __PYX_PY_DICT_LOOKUP_IF_MODIFIED(
            use_cline, *cython_runtime_dict,
            __Pyx_PyDict_GetItemStr(*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;
        (void) PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
    }
    else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) {
        c_line = 0;
    }
    __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"
#if PY_VERSION_HEX >= 0x030b00a6
  #ifndef Py_BUILD_CORE
    #define Py_BUILD_CORE 1
  #endif
  #include "internal/pycore_frame.h"
#endif
static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
            const char *funcname, int c_line,
            int py_line, const char *filename) {
    PyCodeObject *py_code = NULL;
    PyObject *py_funcname = NULL;
    #if PY_MAJOR_VERSION < 3
    PyObject *py_srcfile = NULL;
    py_srcfile = PyString_FromString(filename);
    if (!py_srcfile) goto bad;
    #endif
    if (c_line) {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        if (!py_funcname) goto bad;
        #else
        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        if (!py_funcname) goto bad;
        funcname = PyUnicode_AsUTF8(py_funcname);
        if (!funcname) goto bad;
        #endif
    }
    else {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromString(funcname);
        if (!py_funcname) goto bad;
        #endif
    }
    #if PY_MAJOR_VERSION < 3
    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);
    #else
    py_code = PyCode_NewEmpty(filename, funcname, py_line);
    #endif
    Py_XDECREF(py_funcname);  // XDECREF since it's only set on Py3 if cline
    return py_code;
bad:
    Py_XDECREF(py_funcname);
    #if PY_MAJOR_VERSION < 3
    Py_XDECREF(py_srcfile);
    #endif
    return NULL;
}
static void __Pyx_AddTraceback(const char *funcname, int c_line,
                               int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyFrameObject *py_frame = 0;
    PyThreadState *tstate = __Pyx_PyThreadState_Current;
    PyObject *ptype, *pvalue, *ptraceback;
    if (c_line) {
        c_line = __Pyx_CLineForTraceback(tstate, c_line);
    }
    py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
    if (!py_code) {
        __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
        py_code = __Pyx_CreateCodeObjectForTraceback(
            funcname, c_line, py_line, filename);
        if (!py_code) {
            /* If the code object creation fails, then we should clear the
               fetched exception references and propagate the new exception */
            Py_XDECREF(ptype);
            Py_XDECREF(pvalue);
            Py_XDECREF(ptraceback);
            goto bad;
        }
        __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
        __pyx_insert_code_object(c_line ? -c_line : py_line, py_code);
    }
    py_frame = PyFrame_New(
        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);
}

/* CIntFromPyVerify */
#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
    {\
        func_type value = func_value;\
        if (sizeof(target_type) < sizeof(func_type)) {\
            if (unlikely(value != (func_type) (target_type) value)) {\
                func_type zero = 0;\
                if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
                    return (target_type) -1;\
                if (is_unsigned && unlikely(value < zero))\
                    goto raise_neg_overflow;\
                else\
                    goto raise_overflow;\
            }\
        }\
        return (target_type) value;\
    }

/* CIntToPy */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const int neg_one = (int) -1, const_zero = (int) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(int) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(int) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(int) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
#endif
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(int),
                                     little, !is_unsigned);
    }
}

/* CIntFromPy */
static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const int neg_one = (int) -1, const_zero = (int) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
#if 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;
}

/* CIntFromPy */
static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const long neg_one = (long) -1, const_zero = (long) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    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;
}

/* CIntToPy */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int32_t(int32_t value) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const int32_t neg_one = (int32_t) -1, const_zero = (int32_t) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(int32_t) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(int32_t) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(int32_t) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(int32_t) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(int32_t) <= 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(int32_t),
                                     little, !is_unsigned);
    }
}

/* CIntToPy */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint64_t(uint64_t value) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const uint64_t neg_one = (uint64_t) -1, const_zero = (uint64_t) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(uint64_t) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(uint64_t) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(uint64_t) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(uint64_t) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(uint64_t) <= 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(uint64_t),
                                     little, !is_unsigned);
    }
}

/* CIntToPy */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const long neg_one = (long) -1, const_zero = (long) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(long) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(long) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(long) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
#endif
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(long),
                                     little, !is_unsigned);
    }
}

/* CIntFromPy */
static CYTHON_INLINE size_t __Pyx_PyInt_As_size_t(PyObject *x) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const size_t neg_one = (size_t) -1, const_zero = (size_t) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(size_t) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(size_t, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (size_t) 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 (size_t) 0;
                case  1: __PYX_VERIFY_RETURN_INT(size_t, digit, digits[0])
                case 2:
                    if (8 * sizeof(size_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) >= 2 * PyLong_SHIFT) {
                            return (size_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(size_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) >= 3 * PyLong_SHIFT) {
                            return (size_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(size_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, 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(size_t) >= 4 * PyLong_SHIFT) {
                            return (size_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
#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 (size_t) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(size_t) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(size_t) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, 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 (size_t) 0;
                case -1: __PYX_VERIFY_RETURN_INT(size_t, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(size_t,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(size_t) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) {
                            return (size_t) (((size_t)-1)*(((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(size_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) {
                            return (size_t) ((((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) {
                            return (size_t) (((size_t)-1)*(((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(size_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) {
                            return (size_t) ((((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, 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(size_t) - 1 > 4 * PyLong_SHIFT) {
                            return (size_t) (((size_t)-1)*(((((((((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(size_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, 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(size_t) - 1 > 4 * PyLong_SHIFT) {
                            return (size_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
            if (sizeof(size_t) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(size_t) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, 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
            size_t 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 (size_t) -1;
        }
    } else {
        size_t val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (size_t) -1;
        val = __Pyx_PyInt_As_size_t(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to size_t");
    return (size_t) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to size_t");
    return (size_t) -1;
}

/* CIntFromPy */
static CYTHON_INLINE int32_t __Pyx_PyInt_As_int32_t(PyObject *x) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const int32_t neg_one = (int32_t) -1, const_zero = (int32_t) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(int32_t) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(int32_t, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (int32_t) 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 (int32_t) 0;
                case  1: __PYX_VERIFY_RETURN_INT(int32_t, digit, digits[0])
                case 2:
                    if (8 * sizeof(int32_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int32_t) >= 2 * PyLong_SHIFT) {
                            return (int32_t) (((((int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int32_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int32_t) >= 3 * PyLong_SHIFT) {
                            return (int32_t) (((((((int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int32_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int32_t, 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(int32_t) >= 4 * PyLong_SHIFT) {
                            return (int32_t) (((((((((int32_t)digits[3]) << PyLong_SHIFT) | (int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)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 (int32_t) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(int32_t) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int32_t, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(int32_t) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int32_t, 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 (int32_t) 0;
                case -1: __PYX_VERIFY_RETURN_INT(int32_t, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(int32_t,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(int32_t) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int32_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int32_t) - 1 > 2 * PyLong_SHIFT) {
                            return (int32_t) (((int32_t)-1)*(((((int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(int32_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int32_t) - 1 > 2 * PyLong_SHIFT) {
                            return (int32_t) ((((((int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(int32_t) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int32_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int32_t) - 1 > 3 * PyLong_SHIFT) {
                            return (int32_t) (((int32_t)-1)*(((((((int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int32_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int32_t) - 1 > 3 * PyLong_SHIFT) {
                            return (int32_t) ((((((((int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(int32_t) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int32_t, 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(int32_t) - 1 > 4 * PyLong_SHIFT) {
                            return (int32_t) (((int32_t)-1)*(((((((((int32_t)digits[3]) << PyLong_SHIFT) | (int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int32_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int32_t, 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(int32_t) - 1 > 4 * PyLong_SHIFT) {
                            return (int32_t) ((((((((((int32_t)digits[3]) << PyLong_SHIFT) | (int32_t)digits[2]) << PyLong_SHIFT) | (int32_t)digits[1]) << PyLong_SHIFT) | (int32_t)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(int32_t) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int32_t, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(int32_t) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int32_t, 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
            int32_t 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 (int32_t) -1;
        }
    } else {
        int32_t val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (int32_t) -1;
        val = __Pyx_PyInt_As_int32_t(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to int32_t");
    return (int32_t) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to int32_t");
    return (int32_t) -1;
}

/* CIntFromPy */
static CYTHON_INLINE uint64_t __Pyx_PyInt_As_uint64_t(PyObject *x) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const uint64_t neg_one = (uint64_t) -1, const_zero = (uint64_t) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(uint64_t) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(uint64_t, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (uint64_t) 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 (uint64_t) 0;
                case  1: __PYX_VERIFY_RETURN_INT(uint64_t, digit, digits[0])
                case 2:
                    if (8 * sizeof(uint64_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint64_t) >= 2 * PyLong_SHIFT) {
                            return (uint64_t) (((((uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(uint64_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint64_t) >= 3 * PyLong_SHIFT) {
                            return (uint64_t) (((((((uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(uint64_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint64_t, 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(uint64_t) >= 4 * PyLong_SHIFT) {
                            return (uint64_t) (((((((((uint64_t)digits[3]) << PyLong_SHIFT) | (uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)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 (uint64_t) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(uint64_t) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(uint64_t, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(uint64_t) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(uint64_t, 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 (uint64_t) 0;
                case -1: __PYX_VERIFY_RETURN_INT(uint64_t, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(uint64_t,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(uint64_t) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint64_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint64_t) - 1 > 2 * PyLong_SHIFT) {
                            return (uint64_t) (((uint64_t)-1)*(((((uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(uint64_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint64_t) - 1 > 2 * PyLong_SHIFT) {
                            return (uint64_t) ((((((uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(uint64_t) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint64_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint64_t) - 1 > 3 * PyLong_SHIFT) {
                            return (uint64_t) (((uint64_t)-1)*(((((((uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(uint64_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint64_t) - 1 > 3 * PyLong_SHIFT) {
                            return (uint64_t) ((((((((uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(uint64_t) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint64_t, 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(uint64_t) - 1 > 4 * PyLong_SHIFT) {
                            return (uint64_t) (((uint64_t)-1)*(((((((((uint64_t)digits[3]) << PyLong_SHIFT) | (uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(uint64_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint64_t, 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(uint64_t) - 1 > 4 * PyLong_SHIFT) {
                            return (uint64_t) ((((((((((uint64_t)digits[3]) << PyLong_SHIFT) | (uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(uint64_t) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(uint64_t, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(uint64_t) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(uint64_t, 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
            uint64_t 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 (uint64_t) -1;
        }
    } else {
        uint64_t val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (uint64_t) -1;
        val = __Pyx_PyInt_As_uint64_t(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to uint64_t");
    return (uint64_t) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to uint64_t");
    return (uint64_t) -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 int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
    Py_ssize_t i, n;
    assert(PyExceptionClass_Check(exc_type));
    n = PyTuple_GET_SIZE(tuple);
#if PY_MAJOR_VERSION >= 3
    for (i=0; i<n; i++) {
        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
    }
#endif
    for (i=0; i<n; i++) {
        PyObject *t = PyTuple_GET_ITEM(tuple, i);
        #if PY_MAJOR_VERSION < 3
        if (likely(exc_type == t)) return 1;
        #endif
        if (likely(PyExceptionClass_Check(t))) {
            if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
        } else {
        }
    }
    return 0;
}
static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
    if (likely(err == exc_type)) return 1;
    if (likely(PyExceptionClass_Check(err))) {
        if (likely(PyExceptionClass_Check(exc_type))) {
            return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
        } else if (likely(PyTuple_Check(exc_type))) {
            return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
        } else {
        }
    }
    return PyErr_GivenExceptionMatches(err, exc_type);
}
static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
    assert(PyExceptionClass_Check(exc_type1));
    assert(PyExceptionClass_Check(exc_type2));
    if (likely(err == exc_type1 || err == exc_type2)) return 1;
    if (likely(PyExceptionClass_Check(err))) {
        return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
    }
    return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
}
#endif

/* CheckBinaryVersion */
static int __Pyx_check_binary_version(void) {
    char ctversion[5];
    int same=1, i, found_dot;
    const char* rt_from_call = Py_GetVersion();
    PyOS_snprintf(ctversion, 5, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
    found_dot = 0;
    for (i = 0; i < 4; i++) {
        if (!ctversion[i]) {
            same = (rt_from_call[i] < '0' || rt_from_call[i] > '9');
            break;
        }
        if (rt_from_call[i] != ctversion[i]) {
            same = 0;
            break;
        }
    }
    if (!same) {
        char rtversion[5] = {'\0'};
        char message[200];
        for (i=0; i<4; ++i) {
            if (rt_from_call[i] == '.') {
                if (found_dot) break;
                found_dot = 1;
            } else if (rt_from_call[i] < '0' || rt_from_call[i] > '9') {
                break;
            }
            rtversion[i] = rt_from_call[i];
        }
        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;
}

/* FunctionImport */
#ifndef __PYX_HAVE_RT_ImportFunction
#define __PYX_HAVE_RT_ImportFunction
static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig) {
    PyObject *d = 0;
    PyObject *cobj = 0;
    union {
        void (*fp)(void);
        void *p;
    } tmp;
    d = PyObject_GetAttrString(module, (char *)"__pyx_capi__");
    if (!d)
        goto bad;
    cobj = PyDict_GetItemString(d, funcname);
    if (!cobj) {
        PyErr_Format(PyExc_ImportError,
            "%.200s does not export expected C function %.200s",
                PyModule_GetName(module), funcname);
        goto bad;
    }
#if PY_VERSION_HEX >= 0x02070000
    if (!PyCapsule_IsValid(cobj, sig)) {
        PyErr_Format(PyExc_TypeError,
            "C function %.200s.%.200s has wrong signature (expected %.500s, got %.500s)",
             PyModule_GetName(module), funcname, sig, PyCapsule_GetName(cobj));
        goto bad;
    }
    tmp.p = PyCapsule_GetPointer(cobj, sig);
#else
    {const char *desc, *s1, *s2;
    desc = (const char *)PyCObject_GetDesc(cobj);
    if (!desc)
        goto bad;
    s1 = desc; s2 = sig;
    while (*s1 != '\0' && *s1 == *s2) { s1++; s2++; }
    if (*s1 != *s2) {
        PyErr_Format(PyExc_TypeError,
            "C function %.200s.%.200s has wrong signature (expected %.500s, got %.500s)",
             PyModule_GetName(module), funcname, sig, desc);
        goto bad;
    }
    tmp.p = PyCObject_AsVoidPtr(cobj);}
#endif
    *f = tmp.fp;
    if (!(*f))
        goto bad;
    Py_DECREF(d);
    return 0;
bad:
    Py_XDECREF(d);
    return -1;
}
#endif

/* InitStrings */
static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
    while (t->p) {
        #if PY_MAJOR_VERSION < 3
        if (t->is_unicode) {
            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
        } else if (t->intern) {
            *t->p = PyString_InternFromString(t->s);
        } else {
            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
        }
        #else
        if (t->is_unicode | t->is_str) {
            if (t->intern) {
                *t->p = PyUnicode_InternFromString(t->s);
            } else if (t->encoding) {
                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
            } else {
                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
            }
        } else {
            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
        }
        #endif
        if (!*t->p)
            return -1;
        if (PyObject_Hash(*t->p) == -1)
            return -1;
        ++t;
    }
    return 0;
}

static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
}
static CYTHON_INLINE 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 CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) {
    int retval;
    if (unlikely(!x)) return -1;
    retval = __Pyx_PyObject_IsTrue(x);
    Py_DECREF(x);
    return retval;
}
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(b);
  }
#endif
  if (likely(PyLong_CheckExact(b))) {
    #if CYTHON_USE_PYLONG_INTERNALS
    const digit* digits = ((PyLongObject*)b)->ob_digit;
    const Py_ssize_t size = Py_SIZE(b);
    if (likely(__Pyx_sst_abs(size) <= 1)) {
        ival = likely(size) ? digits[0] : 0;
        if (size == -1) ival = -ival;
        return ival;
    } 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 Py_hash_t __Pyx_PyIndex_AsHash_t(PyObject* o) {
  if (sizeof(Py_hash_t) == sizeof(Py_ssize_t)) {
    return (Py_hash_t) __Pyx_PyIndex_AsSsize_t(o);
#if PY_MAJOR_VERSION < 3
  } else if (likely(PyInt_CheckExact(o))) {
    return PyInt_AS_LONG(o);
#endif
  } else {
    Py_ssize_t ival;
    PyObject *x;
    x = PyNumber_Index(o);
    if (!x) return -1;
    ival = PyInt_AsLong(x);
    Py_DECREF(x);
    return ival;
  }
}
static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) {
  return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False);
}
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
    return PyInt_FromSize_t(ival);
}


#endif /* Py_PYTHON_H */
