/* Generated by Cython 0.29.36 */

/* BEGIN: Cython Metadata
{
    "distutils": {
        "depends": [
            "gensim/models/fast_line_sentence.h",
            "gensim/models/voidptr.h"
        ],
        "extra_compile_args": [
            "-stdlib=libc++",
            "-std=c++11"
        ],
        "extra_link_args": [
            "-stdlib=libc++",
            "-std=c++11"
        ],
        "include_dirs": [
            "gensim/models",
            "./gensim/models"
        ],
        "language": "c++",
        "name": "gensim.models.doc2vec_corpusfile",
        "sources": [
            "gensim/models/doc2vec_corpusfile.pyx"
        ]
    },
    "module_name": "gensim.models.doc2vec_corpusfile"
}
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+.
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#define CYTHON_ABI "0_29_36"
#define CYTHON_HEX_VERSION 0x001D24F0
#define CYTHON_FUTURE_DIVISION 1
#include <stddef.h>
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#endif
#if !defined(WIN32) && !defined(MS_WINDOWS)
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#ifndef DL_IMPORT
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#ifndef DL_EXPORT
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#define __PYX_COMMA ,
#ifndef HAVE_LONG_LONG
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#ifndef Py_HUGE_VAL
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#ifdef PYPY_VERSION
  #define CYTHON_COMPILING_IN_PYPY 1
  #define CYTHON_COMPILING_IN_PYSTON 0
  #define CYTHON_COMPILING_IN_CPYTHON 0
  #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
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    #define CYTHON_USE_ASYNC_SLOTS 1
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  #define CYTHON_USE_PYLIST_INTERNALS 0
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  #define CYTHON_USE_UNICODE_INTERNALS 0
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  #define CYTHON_USE_UNICODE_WRITER 0
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  #define CYTHON_USE_PYLONG_INTERNALS 0
  #undef CYTHON_AVOID_BORROWED_REFS
  #define CYTHON_AVOID_BORROWED_REFS 1
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  #define CYTHON_ASSUME_SAFE_MACROS 0
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  #define CYTHON_FAST_THREAD_STATE 0
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  #define CYTHON_USE_ASYNC_SLOTS 0
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  #define CYTHON_USE_PYLIST_INTERNALS 0
  #ifndef CYTHON_USE_UNICODE_INTERNALS
    #define CYTHON_USE_UNICODE_INTERNALS 1
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  #undef CYTHON_USE_UNICODE_WRITER
  #define CYTHON_USE_UNICODE_WRITER 0
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  #define CYTHON_USE_PYLONG_INTERNALS 0
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    #define CYTHON_USE_DICT_VERSIONS ((PY_VERSION_HEX >= 0x030600B1) && (PY_VERSION_HEX < 0x030C00A5))
  #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
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#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;
};

#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
#if PY_VERSION_HEX >= 0x030900F0 && !CYTHON_COMPILING_IN_PYPY
  #define __Pyx_PyObject_GC_IsFinalized(o) PyObject_GC_IsFinalized(o)
#else
  #define __Pyx_PyObject_GC_IsFinalized(o) _PyGC_FINALIZED(o)
#endif
#ifndef 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 PY_VERSION_HEX >= 0x030C0000
    #define __Pyx_PyUnicode_READY(op)       (0)
  #else
    #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
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  #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 PY_VERSION_HEX >= 0x030C0000
    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_LENGTH(u))
  #else
    #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03090000
    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : ((PyCompactUnicodeObject *)(u))->wstr_length))
    #else
    #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
    #endif
  #endif
#else
  #define CYTHON_PEP393_ENABLED 0
  #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__gensim__models__doc2vec_corpusfile
#define __PYX_HAVE_API__gensim__models__doc2vec_corpusfile
/* Early includes */
#include <string.h>
#include <stdio.h>
#include "numpy/arrayobject.h"
#include "numpy/ndarrayobject.h"
#include "numpy/ndarraytypes.h"
#include "numpy/arrayscalars.h"
#include "numpy/ufuncobject.h"

    /* NumPy API declarations from "numpy/__init__.pxd" */
    
#include <string>
#include "ios"
#include "new"
#include "stdexcept"
#include "typeinfo"
#include <vector>
#include "voidptr.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_map>
#include "fast_line_sentence.h"
#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;
static PyObject *__pyx_b;
static PyObject *__pyx_cython_runtime = NULL;
static PyObject *__pyx_empty_tuple;
static PyObject *__pyx_empty_bytes;
static PyObject *__pyx_empty_unicode;
static int __pyx_lineno;
static int __pyx_clineno = 0;
static const char * __pyx_cfilenm= __FILE__;
static const char *__pyx_filename;

/* Header.proto */
#if !defined(CYTHON_CCOMPLEX)
  #if defined(__cplusplus)
    #define CYTHON_CCOMPLEX 1
  #elif defined(_Complex_I)
    #define CYTHON_CCOMPLEX 1
  #else
    #define CYTHON_CCOMPLEX 0
  #endif
#endif
#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    #include <complex>
  #else
    #include <complex.h>
  #endif
#endif
#if CYTHON_CCOMPLEX && !defined(__cplusplus) && defined(__sun__) && defined(__GNUC__)
  #undef _Complex_I
  #define _Complex_I 1.0fj
#endif


static const char *__pyx_f[] = {
  "gensim/models/doc2vec_corpusfile.pyx",
  "__init__.pxd",
  "type.pxd",
  "gensim/models/word2vec_corpusfile.pxd",
};
/* 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()

/* ForceInitThreads.proto */
#ifndef __PYX_FORCE_INIT_THREADS
  #define __PYX_FORCE_INIT_THREADS 0
#endif


/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":688
 * # in Cython to enable them only on the right systems.
 * 
 * ctypedef npy_int8       int8_t             # <<<<<<<<<<<<<<
 * ctypedef npy_int16      int16_t
 * ctypedef npy_int32      int32_t
 */
typedef npy_int8 __pyx_t_5numpy_int8_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":689
 * 
 * ctypedef npy_int8       int8_t
 * ctypedef npy_int16      int16_t             # <<<<<<<<<<<<<<
 * ctypedef npy_int32      int32_t
 * ctypedef npy_int64      int64_t
 */
typedef npy_int16 __pyx_t_5numpy_int16_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":690
 * ctypedef npy_int8       int8_t
 * ctypedef npy_int16      int16_t
 * ctypedef npy_int32      int32_t             # <<<<<<<<<<<<<<
 * ctypedef npy_int64      int64_t
 * #ctypedef npy_int96      int96_t
 */
typedef npy_int32 __pyx_t_5numpy_int32_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":691
 * ctypedef npy_int16      int16_t
 * ctypedef npy_int32      int32_t
 * ctypedef npy_int64      int64_t             # <<<<<<<<<<<<<<
 * #ctypedef npy_int96      int96_t
 * #ctypedef npy_int128     int128_t
 */
typedef npy_int64 __pyx_t_5numpy_int64_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":695
 * #ctypedef npy_int128     int128_t
 * 
 * ctypedef npy_uint8      uint8_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uint16     uint16_t
 * ctypedef npy_uint32     uint32_t
 */
typedef npy_uint8 __pyx_t_5numpy_uint8_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":696
 * 
 * ctypedef npy_uint8      uint8_t
 * ctypedef npy_uint16     uint16_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uint32     uint32_t
 * ctypedef npy_uint64     uint64_t
 */
typedef npy_uint16 __pyx_t_5numpy_uint16_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":697
 * ctypedef npy_uint8      uint8_t
 * ctypedef npy_uint16     uint16_t
 * ctypedef npy_uint32     uint32_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uint64     uint64_t
 * #ctypedef npy_uint96     uint96_t
 */
typedef npy_uint32 __pyx_t_5numpy_uint32_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":698
 * ctypedef npy_uint16     uint16_t
 * ctypedef npy_uint32     uint32_t
 * ctypedef npy_uint64     uint64_t             # <<<<<<<<<<<<<<
 * #ctypedef npy_uint96     uint96_t
 * #ctypedef npy_uint128    uint128_t
 */
typedef npy_uint64 __pyx_t_5numpy_uint64_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":702
 * #ctypedef npy_uint128    uint128_t
 * 
 * ctypedef npy_float32    float32_t             # <<<<<<<<<<<<<<
 * ctypedef npy_float64    float64_t
 * #ctypedef npy_float80    float80_t
 */
typedef npy_float32 __pyx_t_5numpy_float32_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":703
 * 
 * ctypedef npy_float32    float32_t
 * ctypedef npy_float64    float64_t             # <<<<<<<<<<<<<<
 * #ctypedef npy_float80    float80_t
 * #ctypedef npy_float128   float128_t
 */
typedef npy_float64 __pyx_t_5numpy_float64_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":712
 * # The int types are mapped a bit surprising --
 * # numpy.int corresponds to 'l' and numpy.long to 'q'
 * ctypedef npy_long       int_t             # <<<<<<<<<<<<<<
 * ctypedef npy_longlong   longlong_t
 * 
 */
typedef npy_long __pyx_t_5numpy_int_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":713
 * # numpy.int corresponds to 'l' and numpy.long to 'q'
 * ctypedef npy_long       int_t
 * ctypedef npy_longlong   longlong_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_ulong      uint_t
 */
typedef npy_longlong __pyx_t_5numpy_longlong_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":715
 * ctypedef npy_longlong   longlong_t
 * 
 * ctypedef npy_ulong      uint_t             # <<<<<<<<<<<<<<
 * ctypedef npy_ulonglong  ulonglong_t
 * 
 */
typedef npy_ulong __pyx_t_5numpy_uint_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":716
 * 
 * ctypedef npy_ulong      uint_t
 * ctypedef npy_ulonglong  ulonglong_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_intp       intp_t
 */
typedef npy_ulonglong __pyx_t_5numpy_ulonglong_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":718
 * ctypedef npy_ulonglong  ulonglong_t
 * 
 * ctypedef npy_intp       intp_t             # <<<<<<<<<<<<<<
 * ctypedef npy_uintp      uintp_t
 * 
 */
typedef npy_intp __pyx_t_5numpy_intp_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":719
 * 
 * ctypedef npy_intp       intp_t
 * ctypedef npy_uintp      uintp_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_double     float_t
 */
typedef npy_uintp __pyx_t_5numpy_uintp_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":721
 * ctypedef npy_uintp      uintp_t
 * 
 * ctypedef npy_double     float_t             # <<<<<<<<<<<<<<
 * ctypedef npy_double     double_t
 * ctypedef npy_longdouble longdouble_t
 */
typedef npy_double __pyx_t_5numpy_float_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":722
 * 
 * ctypedef npy_double     float_t
 * ctypedef npy_double     double_t             # <<<<<<<<<<<<<<
 * ctypedef npy_longdouble longdouble_t
 * 
 */
typedef npy_double __pyx_t_5numpy_double_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":723
 * ctypedef npy_double     float_t
 * ctypedef npy_double     double_t
 * ctypedef npy_longdouble longdouble_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_cfloat      cfloat_t
 */
typedef npy_longdouble __pyx_t_5numpy_longdouble_t;

/* "gensim/models/word2vec_inner.pxd":20
 *     void* PyCObject_AsVoidPtr(object obj)
 * 
 * ctypedef np.float32_t REAL_t             # <<<<<<<<<<<<<<
 * 
 * # BLAS routine signatures
 */
typedef __pyx_t_5numpy_float32_t __pyx_t_6gensim_6models_14word2vec_inner_REAL_t;

/* "gensim/models/word2vec_corpusfile.pxd":22
 * cimport numpy as np
 * 
 * ctypedef np.float32_t REAL_t             # <<<<<<<<<<<<<<
 * 
 * 
 */
typedef __pyx_t_5numpy_float32_t __pyx_t_6gensim_6models_19word2vec_corpusfile_REAL_t;
/* Declarations.proto */
#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    typedef ::std::complex< float > __pyx_t_float_complex;
  #else
    typedef float _Complex __pyx_t_float_complex;
  #endif
#else
    typedef struct { float real, imag; } __pyx_t_float_complex;
#endif
static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);

/* Declarations.proto */
#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    typedef ::std::complex< double > __pyx_t_double_complex;
  #else
    typedef double _Complex __pyx_t_double_complex;
  #endif
#else
    typedef struct { double real, imag; } __pyx_t_double_complex;
#endif
static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);


/*--- Type declarations ---*/
struct __pyx_obj_6gensim_6models_19word2vec_corpusfile_CythonLineSentence;
struct __pyx_obj_6gensim_6models_19word2vec_corpusfile_CythonVocab;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":725
 * ctypedef npy_longdouble longdouble_t
 * 
 * ctypedef npy_cfloat      cfloat_t             # <<<<<<<<<<<<<<
 * ctypedef npy_cdouble     cdouble_t
 * ctypedef npy_clongdouble clongdouble_t
 */
typedef npy_cfloat __pyx_t_5numpy_cfloat_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":726
 * 
 * ctypedef npy_cfloat      cfloat_t
 * ctypedef npy_cdouble     cdouble_t             # <<<<<<<<<<<<<<
 * ctypedef npy_clongdouble clongdouble_t
 * 
 */
typedef npy_cdouble __pyx_t_5numpy_cdouble_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":727
 * ctypedef npy_cfloat      cfloat_t
 * ctypedef npy_cdouble     cdouble_t
 * ctypedef npy_clongdouble clongdouble_t             # <<<<<<<<<<<<<<
 * 
 * ctypedef npy_cdouble     complex_t
 */
typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t;

/* "../_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.12/site-packages/numpy/__init__.pxd":729
 * ctypedef npy_clongdouble clongdouble_t
 * 
 * ctypedef npy_cdouble     complex_t             # <<<<<<<<<<<<<<
 * 
 * cdef inline object PyArray_MultiIterNew1(a):
 */
typedef npy_cdouble __pyx_t_5numpy_complex_t;
struct __pyx_t_6gensim_6models_14word2vec_inner_Word2VecConfig;
struct __pyx_opt_args_6gensim_6models_14word2vec_inner_init_w2v_config;

/* "gensim/models/word2vec_inner.pxd":23
 * 
 * # BLAS routine signatures
 * ctypedef void (*scopy_ptr) (const int *N, const float *X, const int *incX, float *Y, const int *incY) nogil             # <<<<<<<<<<<<<<
 * ctypedef void (*saxpy_ptr) (const int *N, const float *alpha, const float *X, const int *incX, float *Y, const int *incY) nogil
 * ctypedef float (*sdot_ptr) (const int *N, const float *X, const int *incX, const float *Y, const int *incY) nogil
 */
typedef void (*__pyx_t_6gensim_6models_14word2vec_inner_scopy_ptr)(int const *, float const *, int const *, float *, int const *);

/* "gensim/models/word2vec_inner.pxd":24
 * # BLAS routine signatures
 * ctypedef void (*scopy_ptr) (const int *N, const float *X, const int *incX, float *Y, const int *incY) nogil
 * ctypedef void (*saxpy_ptr) (const int *N, const float *alpha, const float *X, const int *incX, float *Y, const int *incY) nogil             # <<<<<<<<<<<<<<
 * ctypedef float (*sdot_ptr) (const int *N, const float *X, const int *incX, const float *Y, const int *incY) nogil
 * ctypedef double (*dsdot_ptr) (const int *N, const float *X, const int *incX, const float *Y, const int *incY) nogil
 */
typedef void (*__pyx_t_6gensim_6models_14word2vec_inner_saxpy_ptr)(int const *, float const *, float const *, int const *, float *, int const *);

/* "gensim/models/word2vec_inner.pxd":25
 * ctypedef void (*scopy_ptr) (const int *N, const float *X, const int *incX, float *Y, const int *incY) nogil
 * ctypedef void (*saxpy_ptr) (const int *N, const float *alpha, const float *X, const int *incX, float *Y, const int *incY) nogil
 * ctypedef float (*sdot_ptr) (const int *N, const float *X, const int *incX, const float *Y, const int *incY) nogil             # <<<<<<<<<<<<<<
 * ctypedef double (*dsdot_ptr) (const int *N, const float *X, const int *incX, const float *Y, const int *incY) nogil
 * ctypedef double (*snrm2_ptr) (const int *N, const float *X, const int *incX) nogil
 */
typedef float (*__pyx_t_6gensim_6models_14word2vec_inner_sdot_ptr)(int const *, float const *, int const *, float const *, int const *);

/* "gensim/models/word2vec_inner.pxd":26
 * ctypedef void (*saxpy_ptr) (const int *N, const float *alpha, const float *X, const int *incX, float *Y, const int *incY) nogil
 * ctypedef float (*sdot_ptr) (const int *N, const float *X, const int *incX, const float *Y, const int *incY) nogil
 * ctypedef double (*dsdot_ptr) (const int *N, const float *X, const int *incX, const float *Y, const int *incY) nogil             # <<<<<<<<<<<<<<
 * ctypedef double (*snrm2_ptr) (const int *N, const float *X, const int *incX) nogil
 * ctypedef void (*sscal_ptr) (const int *N, const float *alpha, const float *X, const int *incX) nogil
 */
typedef double (*__pyx_t_6gensim_6models_14word2vec_inner_dsdot_ptr)(int const *, float const *, int const *, float const *, int const *);

/* "gensim/models/word2vec_inner.pxd":27
 * ctypedef float (*sdot_ptr) (const int *N, const float *X, const int *incX, const float *Y, const int *incY) nogil
 * ctypedef double (*dsdot_ptr) (const int *N, const float *X, const int *incX, const float *Y, const int *incY) nogil
 * ctypedef double (*snrm2_ptr) (const int *N, const float *X, const int *incX) nogil             # <<<<<<<<<<<<<<
 * ctypedef void (*sscal_ptr) (const int *N, const float *alpha, const float *X, const int *incX) nogil
 * 
 */
typedef double (*__pyx_t_6gensim_6models_14word2vec_inner_snrm2_ptr)(int const *, float const *, int const *);

/* "gensim/models/word2vec_inner.pxd":28
 * ctypedef double (*dsdot_ptr) (const int *N, const float *X, const int *incX, const float *Y, const int *incY) nogil
 * ctypedef double (*snrm2_ptr) (const int *N, const float *X, const int *incX) nogil
 * ctypedef void (*sscal_ptr) (const int *N, const float *alpha, const float *X, const int *incX) nogil             # <<<<<<<<<<<<<<
 * 
 * cdef scopy_ptr scopy
 */
typedef void (*__pyx_t_6gensim_6models_14word2vec_inner_sscal_ptr)(int const *, float const *, float const *, int const *);

/* "gensim/models/word2vec_inner.pxd":45
 * 
 * # function implementations swapped based on BLAS detected in word2vec_inner.pyx init()
 * ctypedef REAL_t (*our_dot_ptr) (const int *N, const float *X, const int *incX, const float *Y, const int *incY) nogil             # <<<<<<<<<<<<<<
 * ctypedef void (*our_saxpy_ptr) (const int *N, const float *alpha, const float *X, const int *incX, float *Y, const int *incY) nogil
 * 
 */
typedef __pyx_t_6gensim_6models_14word2vec_inner_REAL_t (*__pyx_t_6gensim_6models_14word2vec_inner_our_dot_ptr)(int const *, float const *, int const *, float const *, int const *);

/* "gensim/models/word2vec_inner.pxd":46
 * # function implementations swapped based on BLAS detected in word2vec_inner.pyx init()
 * ctypedef REAL_t (*our_dot_ptr) (const int *N, const float *X, const int *incX, const float *Y, const int *incY) nogil
 * ctypedef void (*our_saxpy_ptr) (const int *N, const float *alpha, const float *X, const int *incX, float *Y, const int *incY) nogil             # <<<<<<<<<<<<<<
 * 
 * cdef our_dot_ptr our_dot
 */
typedef void (*__pyx_t_6gensim_6models_14word2vec_inner_our_saxpy_ptr)(int const *, float const *, float const *, int const *, float *, int const *);

/* "gensim/models/word2vec_inner.pxd":52
 * 
 * 
 * cdef struct Word2VecConfig:             # <<<<<<<<<<<<<<
 *     int hs, negative, sample, compute_loss, size, window, cbow_mean, workers
 *     REAL_t running_training_loss, alpha
 */
struct __pyx_t_6gensim_6models_14word2vec_inner_Word2VecConfig {
  int hs;
  int negative;
  int sample;
  int compute_loss;
  int size;
  int window;
  int cbow_mean;
  int workers;
  __pyx_t_6gensim_6models_14word2vec_inner_REAL_t running_training_loss;
  __pyx_t_6gensim_6models_14word2vec_inner_REAL_t alpha;
  __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *syn0;
  __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *words_lockf;
  __pyx_t_5numpy_uint32_t words_lockf_len;
  __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *work;
  __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *neu1;
  int codelens[0x2710];
  __pyx_t_5numpy_uint32_t indexes[0x2710];
  __pyx_t_5numpy_uint32_t reduced_windows[0x2710];
  int sentence_idx[(0x2710 + 1)];
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/* "gensim/models/word2vec_inner.pxd":127
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/* None.proto */
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/* CIntToPy.proto */
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/* CIntFromPy.proto */
static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);

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static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);

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static CYTHON_INLINE PyObject* __Pyx_PyInt_From_PY_LONG_LONG(PY_LONG_LONG value);

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

/* FastTypeChecks.proto */
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#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);
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/* Module declarations from 'cython' */

/* Module declarations from 'cpython.buffer' */

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

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

/* Module declarations from '__builtin__' */

/* Module declarations from 'cpython.type' */
static PyTypeObject *__pyx_ptype_7cpython_4type_type = 0;

/* Module declarations from 'cpython' */

/* Module declarations from 'cpython.object' */

/* Module declarations from 'cpython.ref' */

/* Module declarations from 'cpython.mem' */

/* Module declarations from 'numpy' */

/* Module declarations from 'numpy' */
static PyTypeObject *__pyx_ptype_5numpy_dtype = 0;
static PyTypeObject *__pyx_ptype_5numpy_flatiter = 0;
static PyTypeObject *__pyx_ptype_5numpy_broadcast = 0;
static PyTypeObject *__pyx_ptype_5numpy_ndarray = 0;
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static PyTypeObject *__pyx_ptype_5numpy_number = 0;
static PyTypeObject *__pyx_ptype_5numpy_integer = 0;
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static PyTypeObject *__pyx_ptype_5numpy_unsignedinteger = 0;
static PyTypeObject *__pyx_ptype_5numpy_inexact = 0;
static PyTypeObject *__pyx_ptype_5numpy_floating = 0;
static PyTypeObject *__pyx_ptype_5numpy_complexfloating = 0;
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static PyTypeObject *__pyx_ptype_5numpy_character = 0;
static PyTypeObject *__pyx_ptype_5numpy_ufunc = 0;

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

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

/* Module declarations from 'gensim.models.word2vec_inner' */
static __pyx_t_6gensim_6models_14word2vec_inner_scopy_ptr *__pyx_vp_6gensim_6models_14word2vec_inner_scopy = 0;
#define __pyx_v_6gensim_6models_14word2vec_inner_scopy (*__pyx_vp_6gensim_6models_14word2vec_inner_scopy)
static __pyx_t_6gensim_6models_14word2vec_inner_saxpy_ptr *__pyx_vp_6gensim_6models_14word2vec_inner_saxpy = 0;
#define __pyx_v_6gensim_6models_14word2vec_inner_saxpy (*__pyx_vp_6gensim_6models_14word2vec_inner_saxpy)
static __pyx_t_6gensim_6models_14word2vec_inner_sdot_ptr *__pyx_vp_6gensim_6models_14word2vec_inner_sdot = 0;
#define __pyx_v_6gensim_6models_14word2vec_inner_sdot (*__pyx_vp_6gensim_6models_14word2vec_inner_sdot)
static __pyx_t_6gensim_6models_14word2vec_inner_dsdot_ptr *__pyx_vp_6gensim_6models_14word2vec_inner_dsdot = 0;
#define __pyx_v_6gensim_6models_14word2vec_inner_dsdot (*__pyx_vp_6gensim_6models_14word2vec_inner_dsdot)
static __pyx_t_6gensim_6models_14word2vec_inner_snrm2_ptr *__pyx_vp_6gensim_6models_14word2vec_inner_snrm2 = 0;
#define __pyx_v_6gensim_6models_14word2vec_inner_snrm2 (*__pyx_vp_6gensim_6models_14word2vec_inner_snrm2)
static __pyx_t_6gensim_6models_14word2vec_inner_sscal_ptr *__pyx_vp_6gensim_6models_14word2vec_inner_sscal = 0;
#define __pyx_v_6gensim_6models_14word2vec_inner_sscal (*__pyx_vp_6gensim_6models_14word2vec_inner_sscal)
static __pyx_t_6gensim_6models_14word2vec_inner_REAL_t (*__pyx_vp_6gensim_6models_14word2vec_inner_EXP_TABLE)[0x3E8] = 0;
#define __pyx_v_6gensim_6models_14word2vec_inner_EXP_TABLE (*__pyx_vp_6gensim_6models_14word2vec_inner_EXP_TABLE)
static __pyx_t_6gensim_6models_14word2vec_inner_our_dot_ptr *__pyx_vp_6gensim_6models_14word2vec_inner_our_dot = 0;
#define __pyx_v_6gensim_6models_14word2vec_inner_our_dot (*__pyx_vp_6gensim_6models_14word2vec_inner_our_dot)
static __pyx_t_6gensim_6models_14word2vec_inner_our_saxpy_ptr *__pyx_vp_6gensim_6models_14word2vec_inner_our_saxpy = 0;
#define __pyx_v_6gensim_6models_14word2vec_inner_our_saxpy (*__pyx_vp_6gensim_6models_14word2vec_inner_our_saxpy)
static unsigned PY_LONG_LONG (*__pyx_f_6gensim_6models_14word2vec_inner_random_int32)(unsigned PY_LONG_LONG *); /*proto*/

/* Module declarations from 'gensim.models.doc2vec_inner' */
static void (*__pyx_f_6gensim_6models_13doc2vec_inner_fast_document_dbow_hs)(__pyx_t_5numpy_uint32_t const *, __pyx_t_5numpy_uint8_t const *, int const , __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, int const , __pyx_t_5numpy_uint32_t const , __pyx_t_6gensim_6models_14word2vec_inner_REAL_t const , __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, int, int, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, __pyx_t_5numpy_uint32_t const ); /*proto*/
static unsigned PY_LONG_LONG (*__pyx_f_6gensim_6models_13doc2vec_inner_fast_document_dbow_neg)(int const , __pyx_t_5numpy_uint32_t *, unsigned PY_LONG_LONG, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, int const , __pyx_t_5numpy_uint32_t const , __pyx_t_5numpy_uint32_t const , __pyx_t_6gensim_6models_14word2vec_inner_REAL_t const , __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, unsigned PY_LONG_LONG, int, int, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, __pyx_t_5numpy_uint32_t const ); /*proto*/
static void (*__pyx_f_6gensim_6models_13doc2vec_inner_fast_document_dm_hs)(__pyx_t_5numpy_uint32_t const *, __pyx_t_5numpy_uint8_t const *, int, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t const , __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, int const , int); /*proto*/
static unsigned PY_LONG_LONG (*__pyx_f_6gensim_6models_13doc2vec_inner_fast_document_dm_neg)(int const , __pyx_t_5numpy_uint32_t *, unsigned PY_LONG_LONG, unsigned PY_LONG_LONG, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, int const , __pyx_t_6gensim_6models_14word2vec_inner_REAL_t const , __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, int const , int); /*proto*/
static void (*__pyx_f_6gensim_6models_13doc2vec_inner_fast_document_dmc_hs)(__pyx_t_5numpy_uint32_t const *, __pyx_t_5numpy_uint8_t const *, int, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t const , __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, int const , int const , int); /*proto*/
static unsigned PY_LONG_LONG (*__pyx_f_6gensim_6models_13doc2vec_inner_fast_document_dmc_neg)(int const , __pyx_t_5numpy_uint32_t *, unsigned PY_LONG_LONG, unsigned PY_LONG_LONG, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, int const , __pyx_t_6gensim_6models_14word2vec_inner_REAL_t const , __pyx_t_6gensim_6models_14word2vec_inner_REAL_t *, int const , int const , int); /*proto*/
static PyObject *(*__pyx_f_6gensim_6models_13doc2vec_inner_init_d2v_config)(struct __pyx_t_6gensim_6models_13doc2vec_inner_Doc2VecConfig *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, struct __pyx_opt_args_6gensim_6models_13doc2vec_inner_init_d2v_config *__pyx_optional_args); /*proto*/

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

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

/* Module declarations from 'libcpp' */

/* Module declarations from 'gensim.models.word2vec_corpusfile' */
static PyTypeObject *__pyx_ptype_6gensim_6models_19word2vec_corpusfile_CythonLineSentence = 0;
static PyTypeObject *__pyx_ptype_6gensim_6models_19word2vec_corpusfile_CythonVocab = 0;
static __pyx_t_6gensim_6models_19word2vec_corpusfile_REAL_t (*__pyx_f_6gensim_6models_19word2vec_corpusfile_get_alpha)(__pyx_t_6gensim_6models_19word2vec_corpusfile_REAL_t, __pyx_t_6gensim_6models_19word2vec_corpusfile_REAL_t, int, int); /*proto*/
static __pyx_t_6gensim_6models_19word2vec_corpusfile_REAL_t (*__pyx_f_6gensim_6models_19word2vec_corpusfile_get_next_alpha)(__pyx_t_6gensim_6models_19word2vec_corpusfile_REAL_t, __pyx_t_6gensim_6models_19word2vec_corpusfile_REAL_t, PY_LONG_LONG, PY_LONG_LONG, PY_LONG_LONG, PY_LONG_LONG, int, int); /*proto*/

/* Module declarations from 'gensim.models.doc2vec_corpusfile' */
static int __pyx_v_6gensim_6models_18doc2vec_corpusfile_ONE;
static __pyx_t_6gensim_6models_14word2vec_inner_REAL_t __pyx_v_6gensim_6models_18doc2vec_corpusfile_ONEF;
static void __pyx_f_6gensim_6models_18doc2vec_corpusfile_prepare_c_structures_for_batch(std::vector<std::string>  &, int, int, int, PY_LONG_LONG *, int *, unsigned PY_LONG_LONG *, __pyx_t_6gensim_6models_19word2vec_corpusfile_cvocab_t *, __pyx_t_5numpy_uint32_t *, int *, __pyx_t_5numpy_uint8_t **, __pyx_t_5numpy_uint32_t **, __pyx_t_5numpy_uint32_t *, int *, int, int, int, int); /*proto*/
#define __Pyx_MODULE_NAME "gensim.models.doc2vec_corpusfile"
extern int __pyx_module_is_main_gensim__models__doc2vec_corpusfile;
int __pyx_module_is_main_gensim__models__doc2vec_corpusfile = 0;

/* Implementation of 'gensim.models.doc2vec_corpusfile' */
static PyObject *__pyx_builtin_ImportError;
static PyObject *__pyx_builtin_range;
static const char __pyx_k_c[] = "c";
static const char __pyx_k_i[] = "i";
static const char __pyx_k_j[] = "j";
static const char __pyx_k_k[] = "k";
static const char __pyx_k_m[] = "m";
static const char __pyx_k_n[] = "n";
static const char __pyx_k__3[] = "*";
static const char __pyx_k_np[] = "np";
static const char __pyx_k_main[] = "__main__";
static const char __pyx_k_name[] = "__name__";
static const char __pyx_k_neu1[] = "neu1";
static const char __pyx_k_test[] = "__test__";
static const char __pyx_k_work[] = "work";
static const char __pyx_k_alpha[] = "alpha";
static const char __pyx_k_count[] = "count";
static const char __pyx_k_fblas[] = "fblas";
static const char __pyx_k_model[] = "model";
static const char __pyx_k_numpy[] = "numpy";
static const char __pyx_k_range[] = "range";
static const char __pyx_k_vocab[] = "vocab";
static const char __pyx_k_epochs[] = "epochs";
static const char __pyx_k_import[] = "__import__";
static const char __pyx_k_offset[] = "offset";
static const char __pyx_k_alpha_2[] = "_alpha";
static const char __pyx_k_doc_tag[] = "_doc_tag";
static const char __pyx_k_idx_end[] = "idx_end";
static const char __pyx_k_sent_idx[] = "sent_idx";
static const char __pyx_k_cur_epoch[] = "_cur_epoch";
static const char __pyx_k_doc_words[] = "doc_words";
static const char __pyx_k_end_alpha[] = "end_alpha";
static const char __pyx_k_idx_start[] = "idx_start";
static const char __pyx_k_inv_count[] = "inv_count";
static const char __pyx_k_min_alpha[] = "min_alpha";
static const char __pyx_k_num_epochs[] = "num_epochs";
static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
static const char __pyx_k_ImportError[] = "ImportError";
static const char __pyx_k_corpus_file[] = "corpus_file";
static const char __pyx_k_cur_epoch_2[] = "cur_epoch";
static const char __pyx_k_learn_words[] = "learn_words";
static const char __pyx_k_start_alpha[] = "start_alpha";
static const char __pyx_k_total_words[] = "total_words";
static const char __pyx_k_train_words[] = "train_words";
static const char __pyx_k_words_lockf[] = "words_lockf";
static const char __pyx_k_cython_vocab[] = "_cython_vocab";
static const char __pyx_k_document_len[] = "document_len";
static const char __pyx_k_input_stream[] = "input_stream";
static const char __pyx_k_learn_hidden[] = "learn_hidden";
static const char __pyx_k_start_doctag[] = "start_doctag";
static const char __pyx_k_word_vectors[] = "word_vectors";
static const char __pyx_k_doctags_lockf[] = "doctags_lockf";
static const char __pyx_k_docvecs_count[] = "docvecs_count";
static const char __pyx_k_learn_doctags[] = "learn_doctags";
static const char __pyx_k_doctag_vectors[] = "doctag_vectors";
static const char __pyx_k_expected_words[] = "_expected_words";
static const char __pyx_k_shrink_windows[] = "shrink_windows";
static const char __pyx_k_effective_words[] = "effective_words";
static const char __pyx_k_total_documents[] = "total_documents";
static const char __pyx_k_expected_words_2[] = "expected_words";
static const char __pyx_k_expected_examples[] = "_expected_examples";
static const char __pyx_k_scipy_linalg_blas[] = "scipy.linalg.blas";
static const char __pyx_k_CORPUSFILE_VERSION[] = "CORPUSFILE_VERSION";
static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback";
static const char __pyx_k_d2v_train_epoch_dm[] = "d2v_train_epoch_dm";
static const char __pyx_k_expected_examples_2[] = "expected_examples";
static const char __pyx_k_d2v_train_epoch_dbow[] = "d2v_train_epoch_dbow";
static const char __pyx_k_total_effective_words[] = "total_effective_words";
static const char __pyx_k_d2v_train_epoch_dm_concat[] = "d2v_train_epoch_dm_concat";
static const char __pyx_k_numpy_core_multiarray_failed_to[] = "numpy.core.multiarray failed to import";
static const char __pyx_k_Optimized_cython_functions_for_f[] = "Optimized cython functions for file-based training :class:`~gensim.models.doc2vec.Doc2Vec` model.";
static const char __pyx_k_gensim_models_doc2vec_corpusfile[] = "gensim/models/doc2vec_corpusfile.pyx";
static const char __pyx_k_numpy_core_umath_failed_to_impor[] = "numpy.core.umath failed to import";
static const char __pyx_k_gensim_models_doc2vec_corpusfile_2[] = "gensim.models.doc2vec_corpusfile";
static PyObject *__pyx_n_s_CORPUSFILE_VERSION;
static PyObject *__pyx_n_s_ImportError;
static PyObject *__pyx_n_s__3;
static PyObject *__pyx_n_s_alpha;
static PyObject *__pyx_n_s_alpha_2;
static PyObject *__pyx_n_s_c;
static PyObject *__pyx_n_s_cline_in_traceback;
static PyObject *__pyx_n_s_corpus_file;
static PyObject *__pyx_n_s_count;
static PyObject *__pyx_n_s_cur_epoch;
static PyObject *__pyx_n_s_cur_epoch_2;
static PyObject *__pyx_n_s_cython_vocab;
static PyObject *__pyx_n_s_d2v_train_epoch_dbow;
static PyObject *__pyx_n_s_d2v_train_epoch_dm;
static PyObject *__pyx_n_s_d2v_train_epoch_dm_concat;
static PyObject *__pyx_n_s_doc_tag;
static PyObject *__pyx_n_s_doc_words;
static PyObject *__pyx_n_s_doctag_vectors;
static PyObject *__pyx_n_s_doctags_lockf;
static PyObject *__pyx_n_s_document_len;
static PyObject *__pyx_n_s_docvecs_count;
static PyObject *__pyx_n_s_effective_words;
static PyObject *__pyx_n_s_end_alpha;
static PyObject *__pyx_n_s_epochs;
static PyObject *__pyx_n_s_expected_examples;
static PyObject *__pyx_n_s_expected_examples_2;
static PyObject *__pyx_n_s_expected_words;
static PyObject *__pyx_n_s_expected_words_2;
static PyObject *__pyx_n_s_fblas;
static PyObject *__pyx_kp_s_gensim_models_doc2vec_corpusfile;
static PyObject *__pyx_n_s_gensim_models_doc2vec_corpusfile_2;
static PyObject *__pyx_n_s_i;
static PyObject *__pyx_n_s_idx_end;
static PyObject *__pyx_n_s_idx_start;
static PyObject *__pyx_n_s_import;
static PyObject *__pyx_n_s_input_stream;
static PyObject *__pyx_n_s_inv_count;
static PyObject *__pyx_n_s_j;
static PyObject *__pyx_n_s_k;
static PyObject *__pyx_n_s_learn_doctags;
static PyObject *__pyx_n_s_learn_hidden;
static PyObject *__pyx_n_s_learn_words;
static PyObject *__pyx_n_s_m;
static PyObject *__pyx_n_s_main;
static PyObject *__pyx_n_s_min_alpha;
static PyObject *__pyx_n_s_model;
static PyObject *__pyx_n_s_n;
static PyObject *__pyx_n_s_name;
static PyObject *__pyx_n_s_neu1;
static PyObject *__pyx_n_s_np;
static PyObject *__pyx_n_s_num_epochs;
static PyObject *__pyx_n_s_numpy;
static PyObject *__pyx_kp_u_numpy_core_multiarray_failed_to;
static PyObject *__pyx_kp_u_numpy_core_umath_failed_to_impor;
static PyObject *__pyx_n_s_offset;
static PyObject *__pyx_n_s_pyx_vtable;
static PyObject *__pyx_n_s_range;
static PyObject *__pyx_n_s_scipy_linalg_blas;
static PyObject *__pyx_n_s_sent_idx;
static PyObject *__pyx_n_s_shrink_windows;
static PyObject *__pyx_n_s_start_alpha;
static PyObject *__pyx_n_s_start_doctag;
static PyObject *__pyx_n_s_test;
static PyObject *__pyx_n_s_total_documents;
static PyObject *__pyx_n_s_total_effective_words;
static PyObject *__pyx_n_s_total_words;
static PyObject *__pyx_n_s_train_words;
static PyObject *__pyx_n_s_vocab;
static PyObject *__pyx_n_s_word_vectors;
static PyObject *__pyx_n_s_words_lockf;
static PyObject *__pyx_n_s_work;
static PyObject *__pyx_pf_6gensim_6models_18doc2vec_corpusfile_d2v_train_epoch_dbow(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_model, PyObject *__pyx_v_corpus_file, PyObject *__pyx_v_offset, PyObject *__pyx_v_start_doctag, PyObject *__pyx_v__cython_vocab, PyObject *__pyx_v__cur_epoch, PyObject *__pyx_v__expected_examples, PyObject *__pyx_v__expected_words, PyObject *__pyx_v_work, PyObject *__pyx_v_neu1, PyObject *__pyx_v_docvecs_count, PyObject *__pyx_v_word_vectors, PyObject *__pyx_v_words_lockf, PyObject *__pyx_v_train_words, PyObject *__pyx_v_learn_doctags, PyObject *__pyx_v_learn_words, PyObject *__pyx_v_learn_hidden, PyObject *__pyx_v_doctag_vectors, PyObject *__pyx_v_doctags_lockf); /* proto */
static PyObject *__pyx_pf_6gensim_6models_18doc2vec_corpusfile_2d2v_train_epoch_dm(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_model, PyObject *__pyx_v_corpus_file, PyObject *__pyx_v_offset, PyObject *__pyx_v_start_doctag, PyObject *__pyx_v__cython_vocab, PyObject *__pyx_v__cur_epoch, PyObject *__pyx_v__expected_examples, PyObject *__pyx_v__expected_words, PyObject *__pyx_v_work, PyObject *__pyx_v_neu1, PyObject *__pyx_v_docvecs_count, PyObject *__pyx_v_word_vectors, PyObject *__pyx_v_words_lockf, PyObject *__pyx_v_learn_doctags, PyObject *__pyx_v_learn_words, PyObject *__pyx_v_learn_hidden, PyObject *__pyx_v_doctag_vectors, PyObject *__pyx_v_doctags_lockf); /* proto */
static PyObject *__pyx_pf_6gensim_6models_18doc2vec_corpusfile_4d2v_train_epoch_dm_concat(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_model, PyObject *__pyx_v_corpus_file, PyObject *__pyx_v_offset, PyObject *__pyx_v_start_doctag, PyObject *__pyx_v__cython_vocab, PyObject *__pyx_v__cur_epoch, PyObject *__pyx_v__expected_examples, PyObject *__pyx_v__expected_words, PyObject *__pyx_v_work, PyObject *__pyx_v_neu1, PyObject *__pyx_v_docvecs_count, PyObject *__pyx_v_word_vectors, PyObject *__pyx_v_words_lockf, PyObject *__pyx_v_learn_doctags, PyObject *__pyx_v_learn_words, PyObject *__pyx_v_learn_hidden, PyObject *__pyx_v_doctag_vectors, PyObject *__pyx_v_doctags_lockf); /* proto */
static PyObject *__pyx_int_1;
static PyObject *__pyx_tuple_;
static PyObject *__pyx_tuple__2;
static PyObject *__pyx_tuple__4;
static PyObject *__pyx_tuple__6;
static PyObject *__pyx_tuple__8;
static PyObject *__pyx_codeobj__5;
static PyObject *__pyx_codeobj__7;
static PyObject *__pyx_codeobj__9;
/* Late includes */

/* "gensim/models/doc2vec_corpusfile.pyx":58
 * 
 * 
 * cdef void prepare_c_structures_for_batch(             # <<<<<<<<<<<<<<
 *         vector[string] &doc_words, int sample, int hs, int window, long long *total_words,
 *         int *effective_words, unsigned long long *next_random, cvocab_t *vocab,
 */

static void __pyx_f_6gensim_6models_18doc2vec_corpusfile_prepare_c_structures_for_batch(std::vector<std::string>  &__pyx_v_doc_words, int __pyx_v_sample, int __pyx_v_hs, int __pyx_v_window, PY_LONG_LONG *__pyx_v_total_words, int *__pyx_v_effective_words, unsigned PY_LONG_LONG *__pyx_v_next_random, __pyx_t_6gensim_6models_19word2vec_corpusfile_cvocab_t *__pyx_v_vocab, __pyx_t_5numpy_uint32_t *__pyx_v_indexes, int *__pyx_v_codelens, __pyx_t_5numpy_uint8_t **__pyx_v_codes, __pyx_t_5numpy_uint32_t **__pyx_v_points, __pyx_t_5numpy_uint32_t *__pyx_v_reduced_windows, int *__pyx_v_document_len, int __pyx_v_train_words, int __pyx_v_docvecs_count, int __pyx_v_doc_tag, int __pyx_v_shrink_windows) {
  struct __pyx_t_6gensim_6models_19word2vec_corpusfile_VocabItem __pyx_v_predict_word;
  std::string __pyx_v_token;
  int __pyx_v_i;
  long __pyx_t_1;
  std::vector<std::string> ::iterator __pyx_t_2;
  std::string __pyx_t_3;
  int __pyx_t_4;
  int __pyx_t_5;
  __pyx_t_5numpy_uint32_t __pyx_t_6;
  int __pyx_t_7;
  __pyx_t_5numpy_uint8_t *__pyx_t_8;
  __pyx_t_5numpy_uint32_t *__pyx_t_9;
  int __pyx_t_10;
  int __pyx_t_11;

  /* "gensim/models/doc2vec_corpusfile.pyx":67
 *     cdef VocabItem predict_word
 *     cdef string token
 *     cdef int i = 0             # <<<<<<<<<<<<<<
 * 
 *     total_words[0] += doc_words.size()
 */
  __pyx_v_i = 0;

  /* "gensim/models/doc2vec_corpusfile.pyx":69
 *     cdef int i = 0
 * 
 *     total_words[0] += doc_words.size()             # <<<<<<<<<<<<<<
 * 
 *     for token in doc_words:
 */
  __pyx_t_1 = 0;
  (__pyx_v_total_words[__pyx_t_1]) = ((__pyx_v_total_words[__pyx_t_1]) + __pyx_v_doc_words.size());

  /* "gensim/models/doc2vec_corpusfile.pyx":71
 *     total_words[0] += doc_words.size()
 * 
 *     for token in doc_words:             # <<<<<<<<<<<<<<
 *         if vocab[0].find(token) == vocab[0].end():  # shrink document to leave out word
 *             continue  # leaving i unchanged
 */
  __pyx_t_2 = __pyx_v_doc_words.begin();
  for (;;) {
    if (!(__pyx_t_2 != __pyx_v_doc_words.end())) break;
    __pyx_t_3 = *__pyx_t_2;
    ++__pyx_t_2;
    __pyx_v_token = __pyx_t_3;

    /* "gensim/models/doc2vec_corpusfile.pyx":72
 * 
 *     for token in doc_words:
 *         if vocab[0].find(token) == vocab[0].end():  # shrink document to leave out word             # <<<<<<<<<<<<<<
 *             continue  # leaving i unchanged
 * 
 */
    __pyx_t_4 = (((__pyx_v_vocab[0]).find(__pyx_v_token) == (__pyx_v_vocab[0]).end()) != 0);
    if (__pyx_t_4) {

      /* "gensim/models/doc2vec_corpusfile.pyx":73
 *     for token in doc_words:
 *         if vocab[0].find(token) == vocab[0].end():  # shrink document to leave out word
 *             continue  # leaving i unchanged             # <<<<<<<<<<<<<<
 * 
 *         predict_word = vocab[0][token]
 */
      goto __pyx_L3_continue;

      /* "gensim/models/doc2vec_corpusfile.pyx":72
 * 
 *     for token in doc_words:
 *         if vocab[0].find(token) == vocab[0].end():  # shrink document to leave out word             # <<<<<<<<<<<<<<
 *             continue  # leaving i unchanged
 * 
 */
    }

    /* "gensim/models/doc2vec_corpusfile.pyx":75
 *             continue  # leaving i unchanged
 * 
 *         predict_word = vocab[0][token]             # <<<<<<<<<<<<<<
 *         if sample and predict_word.sample_int < random_int32(next_random):
 *             continue
 */
    __pyx_v_predict_word = ((__pyx_v_vocab[0])[__pyx_v_token]);

    /* "gensim/models/doc2vec_corpusfile.pyx":76
 * 
 *         predict_word = vocab[0][token]
 *         if sample and predict_word.sample_int < random_int32(next_random):             # <<<<<<<<<<<<<<
 *             continue
 *         indexes[i] = predict_word.index
 */
    __pyx_t_5 = (__pyx_v_sample != 0);
    if (__pyx_t_5) {
    } else {
      __pyx_t_4 = __pyx_t_5;
      goto __pyx_L7_bool_binop_done;
    }
    __pyx_t_5 = ((__pyx_v_predict_word.sample_int < __pyx_f_6gensim_6models_14word2vec_inner_random_int32(__pyx_v_next_random)) != 0);
    __pyx_t_4 = __pyx_t_5;
    __pyx_L7_bool_binop_done:;
    if (__pyx_t_4) {

      /* "gensim/models/doc2vec_corpusfile.pyx":77
 *         predict_word = vocab[0][token]
 *         if sample and predict_word.sample_int < random_int32(next_random):
 *             continue             # <<<<<<<<<<<<<<
 *         indexes[i] = predict_word.index
 *         if hs:
 */
      goto __pyx_L3_continue;

      /* "gensim/models/doc2vec_corpusfile.pyx":76
 * 
 *         predict_word = vocab[0][token]
 *         if sample and predict_word.sample_int < random_int32(next_random):             # <<<<<<<<<<<<<<
 *             continue
 *         indexes[i] = predict_word.index
 */
    }

    /* "gensim/models/doc2vec_corpusfile.pyx":78
 *         if sample and predict_word.sample_int < random_int32(next_random):
 *             continue
 *         indexes[i] = predict_word.index             # <<<<<<<<<<<<<<
 *         if hs:
 *             codelens[i] = predict_word.code_len
 */
    __pyx_t_6 = __pyx_v_predict_word.index;
    (__pyx_v_indexes[__pyx_v_i]) = __pyx_t_6;

    /* "gensim/models/doc2vec_corpusfile.pyx":79
 *             continue
 *         indexes[i] = predict_word.index
 *         if hs:             # <<<<<<<<<<<<<<
 *             codelens[i] = predict_word.code_len
 *             codes[i] = predict_word.code
 */
    __pyx_t_4 = (__pyx_v_hs != 0);
    if (__pyx_t_4) {

      /* "gensim/models/doc2vec_corpusfile.pyx":80
 *         indexes[i] = predict_word.index
 *         if hs:
 *             codelens[i] = predict_word.code_len             # <<<<<<<<<<<<<<
 *             codes[i] = predict_word.code
 *             points[i] = predict_word.point
 */
      __pyx_t_7 = __pyx_v_predict_word.code_len;
      (__pyx_v_codelens[__pyx_v_i]) = __pyx_t_7;

      /* "gensim/models/doc2vec_corpusfile.pyx":81
 *         if hs:
 *             codelens[i] = predict_word.code_len
 *             codes[i] = predict_word.code             # <<<<<<<<<<<<<<
 *             points[i] = predict_word.point
 * 
 */
      __pyx_t_8 = __pyx_v_predict_word.code;
      (__pyx_v_codes[__pyx_v_i]) = __pyx_t_8;

      /* "gensim/models/doc2vec_corpusfile.pyx":82
 *             codelens[i] = predict_word.code_len
 *             codes[i] = predict_word.code
 *             points[i] = predict_word.point             # <<<<<<<<<<<<<<
 * 
 *         effective_words[0] += 1
 */
      __pyx_t_9 = __pyx_v_predict_word.point;
      (__pyx_v_points[__pyx_v_i]) = __pyx_t_9;

      /* "gensim/models/doc2vec_corpusfile.pyx":79
 *             continue
 *         indexes[i] = predict_word.index
 *         if hs:             # <<<<<<<<<<<<<<
 *             codelens[i] = predict_word.code_len
 *             codes[i] = predict_word.code
 */
    }

    /* "gensim/models/doc2vec_corpusfile.pyx":84
 *             points[i] = predict_word.point
 * 
 *         effective_words[0] += 1             # <<<<<<<<<<<<<<
 *         i += 1
 *         if i == MAX_DOCUMENT_LEN:
 */
    __pyx_t_1 = 0;
    (__pyx_v_effective_words[__pyx_t_1]) = ((__pyx_v_effective_words[__pyx_t_1]) + 1);

    /* "gensim/models/doc2vec_corpusfile.pyx":85
 * 
 *         effective_words[0] += 1
 *         i += 1             # <<<<<<<<<<<<<<
 *         if i == MAX_DOCUMENT_LEN:
 *             break  # TODO: log warning, tally overflow?
 */
    __pyx_v_i = (__pyx_v_i + 1);

    /* "gensim/models/doc2vec_corpusfile.pyx":86
 *         effective_words[0] += 1
 *         i += 1
 *         if i == MAX_DOCUMENT_LEN:             # <<<<<<<<<<<<<<
 *             break  # TODO: log warning, tally overflow?
 *     document_len[0] = i
 */
    __pyx_t_4 = ((__pyx_v_i == 0x2710) != 0);
    if (__pyx_t_4) {

      /* "gensim/models/doc2vec_corpusfile.pyx":87
 *         i += 1
 *         if i == MAX_DOCUMENT_LEN:
 *             break  # TODO: log warning, tally overflow?             # <<<<<<<<<<<<<<
 *     document_len[0] = i
 * 
 */
      goto __pyx_L4_break;

      /* "gensim/models/doc2vec_corpusfile.pyx":86
 *         effective_words[0] += 1
 *         i += 1
 *         if i == MAX_DOCUMENT_LEN:             # <<<<<<<<<<<<<<
 *             break  # TODO: log warning, tally overflow?
 *     document_len[0] = i
 */
    }

    /* "gensim/models/doc2vec_corpusfile.pyx":71
 *     total_words[0] += doc_words.size()
 * 
 *     for token in doc_words:             # <<<<<<<<<<<<<<
 *         if vocab[0].find(token) == vocab[0].end():  # shrink document to leave out word
 *             continue  # leaving i unchanged
 */
    __pyx_L3_continue:;
  }
  __pyx_L4_break:;

  /* "gensim/models/doc2vec_corpusfile.pyx":88
 *         if i == MAX_DOCUMENT_LEN:
 *             break  # TODO: log warning, tally overflow?
 *     document_len[0] = i             # <<<<<<<<<<<<<<
 * 
 *     if train_words and reduced_windows != NULL:
 */
  (__pyx_v_document_len[0]) = __pyx_v_i;

  /* "gensim/models/doc2vec_corpusfile.pyx":90
 *     document_len[0] = i
 * 
 *     if train_words and reduced_windows != NULL:             # <<<<<<<<<<<<<<
 *         if shrink_windows:
 *             for i in range(document_len[0]):
 */
  __pyx_t_5 = (__pyx_v_train_words != 0);
  if (__pyx_t_5) {
  } else {
    __pyx_t_4 = __pyx_t_5;
    goto __pyx_L12_bool_binop_done;
  }
  __pyx_t_5 = ((__pyx_v_reduced_windows != NULL) != 0);
  __pyx_t_4 = __pyx_t_5;
  __pyx_L12_bool_binop_done:;
  if (__pyx_t_4) {

    /* "gensim/models/doc2vec_corpusfile.pyx":91
 * 
 *     if train_words and reduced_windows != NULL:
 *         if shrink_windows:             # <<<<<<<<<<<<<<
 *             for i in range(document_len[0]):
 *                 reduced_windows[i] = random_int32(next_random) % window
 */
    __pyx_t_4 = (__pyx_v_shrink_windows != 0);
    if (__pyx_t_4) {

      /* "gensim/models/doc2vec_corpusfile.pyx":92
 *     if train_words and reduced_windows != NULL:
 *         if shrink_windows:
 *             for i in range(document_len[0]):             # <<<<<<<<<<<<<<
 *                 reduced_windows[i] = random_int32(next_random) % window
 *         else:
 */
      __pyx_t_7 = (__pyx_v_document_len[0]);
      __pyx_t_10 = __pyx_t_7;
      for (__pyx_t_11 = 0; __pyx_t_11 < __pyx_t_10; __pyx_t_11+=1) {
        __pyx_v_i = __pyx_t_11;

        /* "gensim/models/doc2vec_corpusfile.pyx":93
 *         if shrink_windows:
 *             for i in range(document_len[0]):
 *                 reduced_windows[i] = random_int32(next_random) % window             # <<<<<<<<<<<<<<
 *         else:
 *             for i in range(document_len[0]):
 */
        (__pyx_v_reduced_windows[__pyx_v_i]) = (__pyx_f_6gensim_6models_14word2vec_inner_random_int32(__pyx_v_next_random) % __pyx_v_window);
      }

      /* "gensim/models/doc2vec_corpusfile.pyx":91
 * 
 *     if train_words and reduced_windows != NULL:
 *         if shrink_windows:             # <<<<<<<<<<<<<<
 *             for i in range(document_len[0]):
 *                 reduced_windows[i] = random_int32(next_random) % window
 */
      goto __pyx_L14;
    }

    /* "gensim/models/doc2vec_corpusfile.pyx":95
 *                 reduced_windows[i] = random_int32(next_random) % window
 *         else:
 *             for i in range(document_len[0]):             # <<<<<<<<<<<<<<
 *                 reduced_windows[i] = 0
 * 
 */
    /*else*/ {
      __pyx_t_7 = (__pyx_v_document_len[0]);
      __pyx_t_10 = __pyx_t_7;
      for (__pyx_t_11 = 0; __pyx_t_11 < __pyx_t_10; __pyx_t_11+=1) {
        __pyx_v_i = __pyx_t_11;

        /* "gensim/models/doc2vec_corpusfile.pyx":96
 *         else:
 *             for i in range(document_len[0]):
 *                 reduced_windows[i] = 0             # <<<<<<<<<<<<<<
 * 
 *     if doc_tag < docvecs_count:
 */
        (__pyx_v_reduced_windows[__pyx_v_i]) = 0;
      }
    }
    __pyx_L14:;

    /* "gensim/models/doc2vec_corpusfile.pyx":90
 *     document_len[0] = i
 * 
 *     if train_words and reduced_windows != NULL:             # <<<<<<<<<<<<<<
 *         if shrink_windows:
 *             for i in range(document_len[0]):
 */
  }

  /* "gensim/models/doc2vec_corpusfile.pyx":98
 *                 reduced_windows[i] = 0
 * 
 *     if doc_tag < docvecs_count:             # <<<<<<<<<<<<<<
 *         effective_words[0] += 1
 * 
 */
  __pyx_t_4 = ((__pyx_v_doc_tag < __pyx_v_docvecs_count) != 0);
  if (__pyx_t_4) {

    /* "gensim/models/doc2vec_corpusfile.pyx":99
 * 
 *     if doc_tag < docvecs_count:
 *         effective_words[0] += 1             # <<<<<<<<<<<<<<
 * 
 * 
 */
    __pyx_t_1 = 0;
    (__pyx_v_effective_words[__pyx_t_1]) = ((__pyx_v_effective_words[__pyx_t_1]) + 1);

    /* "gensim/models/doc2vec_corpusfile.pyx":98
 *                 reduced_windows[i] = 0
 * 
 *     if doc_tag < docvecs_count:             # <<<<<<<<<<<<<<
 *         effective_words[0] += 1
 * 
 */
  }

  /* "gensim/models/doc2vec_corpusfile.pyx":58
 * 
 * 
 * cdef void prepare_c_structures_for_batch(             # <<<<<<<<<<<<<<
 *         vector[string] &doc_words, int sample, int hs, int window, long long *total_words,
 *         int *effective_words, unsigned long long *next_random, cvocab_t *vocab,
 */

  /* function exit code */
}

/* "gensim/models/doc2vec_corpusfile.pyx":102
 * 
 * 
 * def d2v_train_epoch_dbow(             # <<<<<<<<<<<<<<
 *         model, corpus_file, offset, start_doctag, _cython_vocab, _cur_epoch, _expected_examples,
 *         _expected_words, work, neu1, docvecs_count, word_vectors=None, words_lockf=None,
 */

/* Python wrapper */
static PyObject *__pyx_pw_6gensim_6models_18doc2vec_corpusfile_1d2v_train_epoch_dbow(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_6gensim_6models_18doc2vec_corpusfile_d2v_train_epoch_dbow[] = "d2v_train_epoch_dbow(model, corpus_file, offset, start_doctag, _cython_vocab, _cur_epoch, _expected_examples, _expected_words, work, neu1, docvecs_count, word_vectors=None, words_lockf=None, train_words=False, learn_doctags=True, learn_words=True, learn_hidden=True, doctag_vectors=None, doctags_lockf=None)\nTrain distributed bag of words model (\"PV-DBOW\") by training on a corpus file.\n\n    Called internally from :meth:`~gensim.models.doc2vec.Doc2Vec.train`.\n\n    Parameters\n    ----------\n    model : :class:`~gensim.models.doc2vec.Doc2Vec`\n        The FastText model instance to train.\n    corpus_file : str\n        Path to corpus file.\n    _cur_epoch : int\n        Current epoch number. Used for calculating and decaying learning rate.\n    work : np.ndarray\n        Private working memory for each worker.\n    neu1 : np.ndarray\n        Private working memory for each worker.\n    train_words : bool, optional\n        Word vectors will be updated exactly as per Word2Vec skip-gram training only if **both** `learn_words`\n        and `train_words` are set to True.\n    learn_doctags : bool, optional\n        Whether the tag vectors should be updated.\n    learn_words : bool, optional\n        Word vectors will be updated exactly as per Word2Vec skip-gram training only if **both**\n        `learn_words` and `train_words` are set to True.\n    learn_hidden : bool, optional\n        Whether or not the weights of the hidden layer will be updated.\n    word_vectors : numpy.ndarray, optional\n        The vector representation for each word in the vocabulary. If None, these will be retrieved from the model.\n    words_lockf : numpy.ndarray, optional\n        EXPERIMENTAL. A learning lock factor for each word-vector, value 0.0 completely blocks updates, a value\n        of 1.0 allows normal updates to word-vectors.\n    doctag_vectors : numpy.ndarray, optional\n        Vector representations of the tags. If None, these will be retrieved from the model.\n    doctags_""lockf : numpy.ndarray, optional\n        EXPERIMENTAL. The lock factors for each tag, same as `words_lockf`, but for document-vectors.\n\n    Returns\n    -------\n    int\n        Number of words in the input document that were actually used for training.\n\n    ";
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                  /* "gensim/models/doc2vec_corpusfile.pyx":212
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 *                             # we reuse the DBOW function, as it is equivalent to skip-gram for this purpose
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 *             for i in range(document_len):
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 * 
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/* "gensim/models/doc2vec_corpusfile.pyx":244
 * 
 * 
 * def d2v_train_epoch_dm(             # <<<<<<<<<<<<<<
 *         model, corpus_file, offset, start_doctag, _cython_vocab, _cur_epoch, _expected_examples,
 *         _expected_words, work, neu1, docvecs_count, word_vectors=None, words_lockf=None,
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static char __pyx_doc_6gensim_6models_18doc2vec_corpusfile_2d2v_train_epoch_dm[] = "d2v_train_epoch_dm(model, corpus_file, offset, start_doctag, _cython_vocab, _cur_epoch, _expected_examples, _expected_words, work, neu1, docvecs_count, word_vectors=None, words_lockf=None, learn_doctags=True, learn_words=True, learn_hidden=True, doctag_vectors=None, doctags_lockf=None)\nTrain distributed memory model (\"PV-DM\") by training on a corpus file.\n    This method implements the DM model with a projection (input) layer that is either the sum or mean of the context\n    vectors, depending on the model's `dm_mean` configuration field.\n\n    Called internally from :meth:`~gensim.models.doc2vec.Doc2Vec.train`.\n\n    Parameters\n    ----------\n    model : :class:`~gensim.models.doc2vec.Doc2Vec`\n        The FastText model instance to train.\n    corpus_file : str\n        Path to corpus file.\n    _cur_epoch : int\n        Current epoch number. Used for calculating and decaying learning rate.\n    work : np.ndarray\n        Private working memory for each worker.\n    neu1 : np.ndarray\n        Private working memory for each worker.\n    learn_doctags : bool, optional\n        Whether the tag vectors should be updated.\n    learn_words : bool, optional\n        Word vectors will be updated exactly as per Word2Vec skip-gram training only if **both**\n        `learn_words` and `train_words` are set to True.\n    learn_hidden : bool, optional\n        Whether or not the weights of the hidden layer will be updated.\n    word_vectors : numpy.ndarray, optional\n        The vector representation for each word in the vocabulary. If None, these will be retrieved from the model.\n    words_lockf : numpy.ndarray, optional\n        EXPERIMENTAL. A learning lock factor for each word-vector, value 0.0 completely blocks updates, a value\n        of 1.0 allows normal updates to word-vectors.\n    doctag_vectors : numpy.ndarray, optional\n        Vector representations of the tags. If None, these will be retrieved from the model.\n    doctags_lockf : numpy.ndarray, optiona""l\n        EXPERIMENTAL. The lock factors for each tag, same as `words_lockf`, but for document-vectors.\n\n    Returns\n    -------\n    int\n        Number of words in the input document that were actually used for training.\n\n    ";
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 * 
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 *         work=work, neu1=neu1, word_vectors=word_vectors, words_lockf=words_lockf,
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 *         &c, model, _alpha, learn_doctags, learn_words, learn_hidden, train_words=False,
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 *     with nogil:             # <<<<<<<<<<<<<<
 *         input_stream.reset()
 *         while not (input_stream.is_eof() or total_words > expected_words / c.workers):
 */
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 *         input_stream.reset()             # <<<<<<<<<<<<<<
 *         while not (input_stream.is_eof() or total_words > expected_words / c.workers):
 *             effective_words = 0
 */
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 *     with nogil:
 *         input_stream.reset()
 *         while not (input_stream.is_eof() or total_words > expected_words / c.workers):             # <<<<<<<<<<<<<<
 *             effective_words = 0
 * 
 */
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 *         input_stream.reset()
 *         while not (input_stream.is_eof() or total_words > expected_words / c.workers):
 *             effective_words = 0             # <<<<<<<<<<<<<<
 * 
 *             doc_words = input_stream.read_sentence()
 */
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 *             effective_words = 0
 * 
 *             doc_words = input_stream.read_sentence()             # <<<<<<<<<<<<<<
 * 
 *             if doc_words.empty():
 */
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 *             doc_words = input_stream.read_sentence()
 * 
 *             if doc_words.empty():             # <<<<<<<<<<<<<<
 *                 continue
 * 
 */
          __pyx_t_10 = (__pyx_v_doc_words.empty() != 0);
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            /* "gensim/models/doc2vec_corpusfile.pyx":328
 * 
 *             if doc_words.empty():
 *                 continue             # <<<<<<<<<<<<<<
 * 
 *             prepare_c_structures_for_batch(
 */
            goto __pyx_L6_continue;

            /* "gensim/models/doc2vec_corpusfile.pyx":327
 *             doc_words = input_stream.read_sentence()
 * 
 *             if doc_words.empty():             # <<<<<<<<<<<<<<
 *                 continue
 * 
 */
          }

          /* "gensim/models/doc2vec_corpusfile.pyx":332
 *             prepare_c_structures_for_batch(
 *                 doc_words, c.sample, c.hs, c.window, &total_words, &effective_words, &c.next_random,
 *                 vocab.get_vocab_ptr(), c.indexes, c.codelens, c.codes, c.points, c.reduced_windows,             # <<<<<<<<<<<<<<
 *                 &document_len, c.train_words, c.docvecs_count, _doc_tag, shrink_windows)
 * 
 */
          __pyx_t_12 = ((struct __pyx_vtabstruct_6gensim_6models_19word2vec_corpusfile_CythonVocab *)__pyx_v_vocab->__pyx_vtab)->get_vocab_ptr(__pyx_v_vocab); if (unlikely(__Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 332, __pyx_L4_error)

          /* "gensim/models/doc2vec_corpusfile.pyx":330
 *                 continue
 * 
 *             prepare_c_structures_for_batch(             # <<<<<<<<<<<<<<
 *                 doc_words, c.sample, c.hs, c.window, &total_words, &effective_words, &c.next_random,
 *                 vocab.get_vocab_ptr(), c.indexes, c.codelens, c.codes, c.points, c.reduced_windows,
 */
          __pyx_f_6gensim_6models_18doc2vec_corpusfile_prepare_c_structures_for_batch(__pyx_v_doc_words, __pyx_v_c.sample, __pyx_v_c.hs, __pyx_v_c.window, (&__pyx_v_total_words), (&__pyx_v_effective_words), (&__pyx_v_c.next_random), __pyx_t_12, __pyx_v_c.indexes, __pyx_v_c.codelens, __pyx_v_c.codes, __pyx_v_c.points, __pyx_v_c.reduced_windows, (&__pyx_v_document_len), __pyx_v_c.train_words, __pyx_v_c.docvecs_count, __pyx_v__doc_tag, __pyx_v_shrink_windows);

          /* "gensim/models/doc2vec_corpusfile.pyx":335
 *                 &document_len, c.train_words, c.docvecs_count, _doc_tag, shrink_windows)
 * 
 *             for i in range(document_len):             # <<<<<<<<<<<<<<
 *                 j = i - c.window + c.reduced_windows[i]
 *                 if j < 0:
 */
          __pyx_t_1 = __pyx_v_document_len;
          __pyx_t_13 = __pyx_t_1;
          for (__pyx_t_14 = 0; __pyx_t_14 < __pyx_t_13; __pyx_t_14+=1) {
            __pyx_v_i = __pyx_t_14;

            /* "gensim/models/doc2vec_corpusfile.pyx":336
 * 
 *             for i in range(document_len):
 *                 j = i - c.window + c.reduced_windows[i]             # <<<<<<<<<<<<<<
 *                 if j < 0:
 *                     j = 0
 */
            __pyx_v_j = ((__pyx_v_i - __pyx_v_c.window) + (__pyx_v_c.reduced_windows[__pyx_v_i]));

            /* "gensim/models/doc2vec_corpusfile.pyx":337
 *             for i in range(document_len):
 *                 j = i - c.window + c.reduced_windows[i]
 *                 if j < 0:             # <<<<<<<<<<<<<<
 *                     j = 0
 *                 k = i + c.window + 1 - c.reduced_windows[i]
 */
            __pyx_t_10 = ((__pyx_v_j < 0) != 0);
            if (__pyx_t_10) {

              /* "gensim/models/doc2vec_corpusfile.pyx":338
 *                 j = i - c.window + c.reduced_windows[i]
 *                 if j < 0:
 *                     j = 0             # <<<<<<<<<<<<<<
 *                 k = i + c.window + 1 - c.reduced_windows[i]
 *                 if k > document_len:
 */
              __pyx_v_j = 0;

              /* "gensim/models/doc2vec_corpusfile.pyx":337
 *             for i in range(document_len):
 *                 j = i - c.window + c.reduced_windows[i]
 *                 if j < 0:             # <<<<<<<<<<<<<<
 *                     j = 0
 *                 k = i + c.window + 1 - c.reduced_windows[i]
 */
            }

            /* "gensim/models/doc2vec_corpusfile.pyx":339
 *                 if j < 0:
 *                     j = 0
 *                 k = i + c.window + 1 - c.reduced_windows[i]             # <<<<<<<<<<<<<<
 *                 if k > document_len:
 *                     k = document_len
 */
            __pyx_v_k = (((__pyx_v_i + __pyx_v_c.window) + 1) - (__pyx_v_c.reduced_windows[__pyx_v_i]));

            /* "gensim/models/doc2vec_corpusfile.pyx":340
 *                     j = 0
 *                 k = i + c.window + 1 - c.reduced_windows[i]
 *                 if k > document_len:             # <<<<<<<<<<<<<<
 *                     k = document_len
 * 
 */
            __pyx_t_10 = ((__pyx_v_k > __pyx_v_document_len) != 0);
            if (__pyx_t_10) {

              /* "gensim/models/doc2vec_corpusfile.pyx":341
 *                 k = i + c.window + 1 - c.reduced_windows[i]
 *                 if k > document_len:
 *                     k = document_len             # <<<<<<<<<<<<<<
 * 
 *                 # compose l1 (in _neu1) & clear _work
 */
              __pyx_v_k = __pyx_v_document_len;

              /* "gensim/models/doc2vec_corpusfile.pyx":340
 *                     j = 0
 *                 k = i + c.window + 1 - c.reduced_windows[i]
 *                 if k > document_len:             # <<<<<<<<<<<<<<
 *                     k = document_len
 * 
 */
            }

            /* "gensim/models/doc2vec_corpusfile.pyx":344
 * 
 *                 # compose l1 (in _neu1) & clear _work
 *                 memset(c.neu1, 0, c.layer1_size * cython.sizeof(REAL_t))             # <<<<<<<<<<<<<<
 *                 count = <REAL_t>0.0
 *                 for m in range(j, k):
 */
            (void)(memset(__pyx_v_c.neu1, 0, (__pyx_v_c.layer1_size * (sizeof(__pyx_t_6gensim_6models_14word2vec_inner_REAL_t)))));

            /* "gensim/models/doc2vec_corpusfile.pyx":345
 *                 # compose l1 (in _neu1) & clear _work
 *                 memset(c.neu1, 0, c.layer1_size * cython.sizeof(REAL_t))
 *                 count = <REAL_t>0.0             # <<<<<<<<<<<<<<
 *                 for m in range(j, k):
 *                     if m == i:
 */
            __pyx_v_count = ((__pyx_t_6gensim_6models_14word2vec_inner_REAL_t)0.0);

            /* "gensim/models/doc2vec_corpusfile.pyx":346
 *                 memset(c.neu1, 0, c.layer1_size * cython.sizeof(REAL_t))
 *                 count = <REAL_t>0.0
 *                 for m in range(j, k):             # <<<<<<<<<<<<<<
 *                     if m == i:
 *                         continue
 */
            __pyx_t_15 = __pyx_v_k;
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              __pyx_v_m = __pyx_t_17;

              /* "gensim/models/doc2vec_corpusfile.pyx":347
 *                 count = <REAL_t>0.0
 *                 for m in range(j, k):
 *                     if m == i:             # <<<<<<<<<<<<<<
 *                         continue
 *                     else:
 */
              __pyx_t_10 = ((__pyx_v_m == __pyx_v_i) != 0);
              if (__pyx_t_10) {

                /* "gensim/models/doc2vec_corpusfile.pyx":348
 *                 for m in range(j, k):
 *                     if m == i:
 *                         continue             # <<<<<<<<<<<<<<
 *                     else:
 *                         count += ONEF
 */
                goto __pyx_L15_continue;

                /* "gensim/models/doc2vec_corpusfile.pyx":347
 *                 count = <REAL_t>0.0
 *                 for m in range(j, k):
 *                     if m == i:             # <<<<<<<<<<<<<<
 *                         continue
 *                     else:
 */
              }

              /* "gensim/models/doc2vec_corpusfile.pyx":350
 *                         continue
 *                     else:
 *                         count += ONEF             # <<<<<<<<<<<<<<
 *                         our_saxpy(&c.layer1_size, &ONEF, &c.word_vectors[c.indexes[m] * c.layer1_size], &ONE, c.neu1, &ONE)
 * 
 */
              /*else*/ {
                __pyx_v_count = (__pyx_v_count + __pyx_v_6gensim_6models_18doc2vec_corpusfile_ONEF);

                /* "gensim/models/doc2vec_corpusfile.pyx":351
 *                     else:
 *                         count += ONEF
 *                         our_saxpy(&c.layer1_size, &ONEF, &c.word_vectors[c.indexes[m] * c.layer1_size], &ONE, c.neu1, &ONE)             # <<<<<<<<<<<<<<
 * 
 *                 if _doc_tag < c.docvecs_count:
 */
                __pyx_v_6gensim_6models_14word2vec_inner_our_saxpy((&__pyx_v_c.layer1_size), (&__pyx_v_6gensim_6models_18doc2vec_corpusfile_ONEF), (&(__pyx_v_c.word_vectors[((__pyx_v_c.indexes[__pyx_v_m]) * __pyx_v_c.layer1_size)])), (&__pyx_v_6gensim_6models_18doc2vec_corpusfile_ONE), __pyx_v_c.neu1, (&__pyx_v_6gensim_6models_18doc2vec_corpusfile_ONE));
              }
              __pyx_L15_continue:;
            }

            /* "gensim/models/doc2vec_corpusfile.pyx":353
 *                         our_saxpy(&c.layer1_size, &ONEF, &c.word_vectors[c.indexes[m] * c.layer1_size], &ONE, c.neu1, &ONE)
 * 
 *                 if _doc_tag < c.docvecs_count:             # <<<<<<<<<<<<<<
 *                     count += ONEF
 *                     our_saxpy(&c.layer1_size, &ONEF, &c.doctag_vectors[_doc_tag * c.layer1_size], &ONE, c.neu1, &ONE)
 */
            __pyx_t_10 = ((__pyx_v__doc_tag < __pyx_v_c.docvecs_count) != 0);
            if (__pyx_t_10) {

              /* "gensim/models/doc2vec_corpusfile.pyx":354
 * 
 *                 if _doc_tag < c.docvecs_count:
 *                     count += ONEF             # <<<<<<<<<<<<<<
 *                     our_saxpy(&c.layer1_size, &ONEF, &c.doctag_vectors[_doc_tag * c.layer1_size], &ONE, c.neu1, &ONE)
 *                 if count > (<REAL_t>0.5):
 */
              __pyx_v_count = (__pyx_v_count + __pyx_v_6gensim_6models_18doc2vec_corpusfile_ONEF);

              /* "gensim/models/doc2vec_corpusfile.pyx":355
 *                 if _doc_tag < c.docvecs_count:
 *                     count += ONEF
 *                     our_saxpy(&c.layer1_size, &ONEF, &c.doctag_vectors[_doc_tag * c.layer1_size], &ONE, c.neu1, &ONE)             # <<<<<<<<<<<<<<
 *                 if count > (<REAL_t>0.5):
 *                     inv_count = ONEF/count
 */
              __pyx_v_6gensim_6models_14word2vec_inner_our_saxpy((&__pyx_v_c.layer1_size), (&__pyx_v_6gensim_6models_18doc2vec_corpusfile_ONEF), (&(__pyx_v_c.doctag_vectors[(__pyx_v__doc_tag * __pyx_v_c.layer1_size)])), (&__pyx_v_6gensim_6models_18doc2vec_corpusfile_ONE), __pyx_v_c.neu1, (&__pyx_v_6gensim_6models_18doc2vec_corpusfile_ONE));

              /* "gensim/models/doc2vec_corpusfile.pyx":353
 *                         our_saxpy(&c.layer1_size, &ONEF, &c.word_vectors[c.indexes[m] * c.layer1_size], &ONE, c.neu1, &ONE)
 * 
 *                 if _doc_tag < c.docvecs_count:             # <<<<<<<<<<<<<<
 *                     count += ONEF
 *                     our_saxpy(&c.layer1_size, &ONEF, &c.doctag_vectors[_doc_tag * c.layer1_size], &ONE, c.neu1, &ONE)
 */
            }

            /* "gensim/models/doc2vec_corpusfile.pyx":356
 *                     count += ONEF
 *                     our_saxpy(&c.layer1_size, &ONEF, &c.doctag_vectors[_doc_tag * c.layer1_size], &ONE, c.neu1, &ONE)
 *                 if count > (<REAL_t>0.5):             # <<<<<<<<<<<<<<
 *                     inv_count = ONEF/count
 *                 if c.cbow_mean:
 */
            __pyx_t_10 = ((__pyx_v_count > ((__pyx_t_6gensim_6models_14word2vec_inner_REAL_t)0.5)) != 0);
            if (__pyx_t_10) {

              /* "gensim/models/doc2vec_corpusfile.pyx":357
 *                     our_saxpy(&c.layer1_size, &ONEF, &c.doctag_vectors[_doc_tag * c.layer1_size], &ONE, c.neu1, &ONE)
 *                 if count > (<REAL_t>0.5):
 *                     inv_count = ONEF/count             # <<<<<<<<<<<<<<
 *                 if c.cbow_mean:
 *                     sscal(&c.layer1_size, &inv_count, c.neu1, &ONE)  # (does this need BLAS-variants like saxpy?)
 */
              __pyx_v_inv_count = (__pyx_v_6gensim_6models_18doc2vec_corpusfile_ONEF / __pyx_v_count);

              /* "gensim/models/doc2vec_corpusfile.pyx":356
 *                     count += ONEF
 *                     our_saxpy(&c.layer1_size, &ONEF, &c.doctag_vectors[_doc_tag * c.layer1_size], &ONE, c.neu1, &ONE)
 *                 if count > (<REAL_t>0.5):             # <<<<<<<<<<<<<<
 *                     inv_count = ONEF/count
 *                 if c.cbow_mean:
 */
            }

            /* "gensim/models/doc2vec_corpusfile.pyx":358
 *                 if count > (<REAL_t>0.5):
 *                     inv_count = ONEF/count
 *                 if c.cbow_mean:             # <<<<<<<<<<<<<<
 *                     sscal(&c.layer1_size, &inv_count, c.neu1, &ONE)  # (does this need BLAS-variants like saxpy?)
 *                 memset(c.work, 0, c.layer1_size * cython.sizeof(REAL_t))  # work to accumulate l1 error
 */
            __pyx_t_10 = (__pyx_v_c.cbow_mean != 0);
            if (__pyx_t_10) {

              /* "gensim/models/doc2vec_corpusfile.pyx":359
 *                     inv_count = ONEF/count
 *                 if c.cbow_mean:
 *                     sscal(&c.layer1_size, &inv_count, c.neu1, &ONE)  # (does this need BLAS-variants like saxpy?)             # <<<<<<<<<<<<<<
 *                 memset(c.work, 0, c.layer1_size * cython.sizeof(REAL_t))  # work to accumulate l1 error
 *                 if c.hs:
 */
              __pyx_v_6gensim_6models_14word2vec_inner_sscal((&__pyx_v_c.layer1_size), (&__pyx_v_inv_count), __pyx_v_c.neu1, (&__pyx_v_6gensim_6models_18doc2vec_corpusfile_ONE));

              /* "gensim/models/doc2vec_corpusfile.pyx":358
 *                 if count > (<REAL_t>0.5):
 *                     inv_count = ONEF/count
 *                 if c.cbow_mean:             # <<<<<<<<<<<<<<
 *                     sscal(&c.layer1_size, &inv_count, c.neu1, &ONE)  # (does this need BLAS-variants like saxpy?)
 *                 memset(c.work, 0, c.layer1_size * cython.sizeof(REAL_t))  # work to accumulate l1 error
 */
            }

            /* "gensim/models/doc2vec_corpusfile.pyx":360
 *                 if c.cbow_mean:
 *                     sscal(&c.layer1_size, &inv_count, c.neu1, &ONE)  # (does this need BLAS-variants like saxpy?)
 *                 memset(c.work, 0, c.layer1_size * cython.sizeof(REAL_t))  # work to accumulate l1 error             # <<<<<<<<<<<<<<
 *                 if c.hs:
 *                     fast_document_dm_hs(
 */
            (void)(memset(__pyx_v_c.work, 0, (__pyx_v_c.layer1_size * (sizeof(__pyx_t_6gensim_6models_14word2vec_inner_REAL_t)))));

            /* "gensim/models/doc2vec_corpusfile.pyx":361
 *                     sscal(&c.layer1_size, &inv_count, c.neu1, &ONE)  # (does this need BLAS-variants like saxpy?)
 *                 memset(c.work, 0, c.layer1_size * cython.sizeof(REAL_t))  # work to accumulate l1 error
 *                 if c.hs:             # <<<<<<<<<<<<<<
 *                     fast_document_dm_hs(
 *                         c.points[i], c.codes[i], c.codelens[i], c.neu1,
 */
            __pyx_t_10 = (__pyx_v_c.hs != 0);
            if (__pyx_t_10) {

              /* "gensim/models/doc2vec_corpusfile.pyx":362
 *                 memset(c.work, 0, c.layer1_size * cython.sizeof(REAL_t))  # work to accumulate l1 error
 *                 if c.hs:
 *                     fast_document_dm_hs(             # <<<<<<<<<<<<<<
 *                         c.points[i], c.codes[i], c.codelens[i], c.neu1,
 *                         c.syn1, c.alpha, c.work, c.layer1_size, c.learn_hidden)
 */
              __pyx_f_6gensim_6models_13doc2vec_inner_fast_document_dm_hs((__pyx_v_c.points[__pyx_v_i]), (__pyx_v_c.codes[__pyx_v_i]), (__pyx_v_c.codelens[__pyx_v_i]), __pyx_v_c.neu1, __pyx_v_c.syn1, __pyx_v_c.alpha, __pyx_v_c.work, __pyx_v_c.layer1_size, __pyx_v_c.learn_hidden);

              /* "gensim/models/doc2vec_corpusfile.pyx":361
 *                     sscal(&c.layer1_size, &inv_count, c.neu1, &ONE)  # (does this need BLAS-variants like saxpy?)
 *                 memset(c.work, 0, c.layer1_size * cython.sizeof(REAL_t))  # work to accumulate l1 error
 *                 if c.hs:             # <<<<<<<<<<<<<<
 *                     fast_document_dm_hs(
 *                         c.points[i], c.codes[i], c.codelens[i], c.neu1,
 */
            }

            /* "gensim/models/doc2vec_corpusfile.pyx":366
 *                         c.syn1, c.alpha, c.work, c.layer1_size, c.learn_hidden)
 * 
 *                 if c.negative:             # <<<<<<<<<<<<<<
 *                     c.next_random = fast_document_dm_neg(
 *                         c.negative, c.cum_table, c.cum_table_len, c.next_random, c.neu1,
 */
            __pyx_t_10 = (__pyx_v_c.negative != 0);
            if (__pyx_t_10) {

              /* "gensim/models/doc2vec_corpusfile.pyx":367
 * 
 *                 if c.negative:
 *                     c.next_random = fast_document_dm_neg(             # <<<<<<<<<<<<<<
 *                         c.negative, c.cum_table, c.cum_table_len, c.next_random, c.neu1,
 *                         c.syn1neg, c.indexes[i], c.alpha, c.work, c.layer1_size, c.learn_hidden)
 */
              __pyx_v_c.next_random = __pyx_f_6gensim_6models_13doc2vec_inner_fast_document_dm_neg(__pyx_v_c.negative, __pyx_v_c.cum_table, __pyx_v_c.cum_table_len, __pyx_v_c.next_random, __pyx_v_c.neu1, __pyx_v_c.syn1neg, (__pyx_v_c.indexes[__pyx_v_i]), __pyx_v_c.alpha, __pyx_v_c.work, __pyx_v_c.layer1_size, __pyx_v_c.learn_hidden);

              /* "gensim/models/doc2vec_corpusfile.pyx":366
 *                         c.syn1, c.alpha, c.work, c.layer1_size, c.learn_hidden)
 * 
 *                 if c.negative:             # <<<<<<<<<<<<<<
 *                     c.next_random = fast_document_dm_neg(
 *                         c.negative, c.cum_table, c.cum_table_len, c.next_random, c.neu1,
 */
            }

            /* "gensim/models/doc2vec_corpusfile.pyx":371
 *                         c.syn1neg, c.indexes[i], c.alpha, c.work, c.layer1_size, c.learn_hidden)
 * 
 *                 if not c.cbow_mean:             # <<<<<<<<<<<<<<
 *                     sscal(&c.layer1_size, &inv_count, c.work, &ONE)  # (does this need BLAS-variants like saxpy?)
 *                 # apply accumulated error in work
 */
            __pyx_t_10 = ((!(__pyx_v_c.cbow_mean != 0)) != 0);
            if (__pyx_t_10) {

              /* "gensim/models/doc2vec_corpusfile.pyx":372
 * 
 *                 if not c.cbow_mean:
 *                     sscal(&c.layer1_size, &inv_count, c.work, &ONE)  # (does this need BLAS-variants like saxpy?)             # <<<<<<<<<<<<<<
 *                 # apply accumulated error in work
 *                 if c.learn_doctags and _doc_tag < c.docvecs_count:
 */
              __pyx_v_6gensim_6models_14word2vec_inner_sscal((&__pyx_v_c.layer1_size), (&__pyx_v_inv_count), __pyx_v_c.work, (&__pyx_v_6gensim_6models_18doc2vec_corpusfile_ONE));

              /* "gensim/models/doc2vec_corpusfile.pyx":371
 *                         c.syn1neg, c.indexes[i], c.alpha, c.work, c.layer1_size, c.learn_hidden)
 * 
 *                 if not c.cbow_mean:             # <<<<<<<<<<<<<<
 *                     sscal(&c.layer1_size, &inv_count, c.work, &ONE)  # (does this need BLAS-variants like saxpy?)
 *                 # apply accumulated error in work
 */
            }

            /* "gensim/models/doc2vec_corpusfile.pyx":374
 *                     sscal(&c.layer1_size, &inv_count, c.work, &ONE)  # (does this need BLAS-variants like saxpy?)
 *                 # apply accumulated error in work
 *                 if c.learn_doctags and _doc_tag < c.docvecs_count:             # <<<<<<<<<<<<<<
 *                     our_saxpy(
 *                         &c.layer1_size, &c.doctags_lockf[_doc_tag % c.doctags_lockf_len], c.work,
 */
            __pyx_t_4 = (__pyx_v_c.learn_doctags != 0);
            if (__pyx_t_4) {
            } else {
              __pyx_t_10 = __pyx_t_4;
              goto __pyx_L25_bool_binop_done;
            }
            __pyx_t_4 = ((__pyx_v__doc_tag < __pyx_v_c.docvecs_count) != 0);
            __pyx_t_10 = __pyx_t_4;
            __pyx_L25_bool_binop_done:;
            if (__pyx_t_10) {

              /* "gensim/models/doc2vec_corpusfile.pyx":375
 *                 # apply accumulated error in work
 *                 if c.learn_doctags and _doc_tag < c.docvecs_count:
 *                     our_saxpy(             # <<<<<<<<<<<<<<
 *                         &c.layer1_size, &c.doctags_lockf[_doc_tag % c.doctags_lockf_len], c.work,
 *                         &ONE, &c.doctag_vectors[_doc_tag * c.layer1_size], &ONE)
 */
              __pyx_v_6gensim_6models_14word2vec_inner_our_saxpy((&__pyx_v_c.layer1_size), (&(__pyx_v_c.doctags_lockf[(__pyx_v__doc_tag % __pyx_v_c.doctags_lockf_len)])), __pyx_v_c.work, (&__pyx_v_6gensim_6models_18doc2vec_corpusfile_ONE), (&(__pyx_v_c.doctag_vectors[(__pyx_v__doc_tag * __pyx_v_c.layer1_size)])), (&__pyx_v_6gensim_6models_18doc2vec_corpusfile_ONE));

              /* "gensim/models/doc2vec_corpusfile.pyx":374
 *                     sscal(&c.layer1_size, &inv_count, c.work, &ONE)  # (does this need BLAS-variants like saxpy?)
 *                 # apply accumulated error in work
 *                 if c.learn_doctags and _doc_tag < c.docvecs_count:             # <<<<<<<<<<<<<<
 *                     our_saxpy(
 *                         &c.layer1_size, &c.doctags_lockf[_doc_tag % c.doctags_lockf_len], c.work,
 */
            }

            /* "gensim/models/doc2vec_corpusfile.pyx":378
 *                         &c.layer1_size, &c.doctags_lockf[_doc_tag % c.doctags_lockf_len], c.work,
 *                         &ONE, &c.doctag_vectors[_doc_tag * c.layer1_size], &ONE)
 *                 if c.learn_words:             # <<<<<<<<<<<<<<
 *                     for m in range(j, k):
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 */
            __pyx_t_10 = (__pyx_v_c.learn_words != 0);
            if (__pyx_t_10) {

              /* "gensim/models/doc2vec_corpusfile.pyx":379
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 *                 if c.learn_words:
 *                     for m in range(j, k):             # <<<<<<<<<<<<<<
 *                         if m == i:
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 */
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              __pyx_t_16 = __pyx_t_15;
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                /* "gensim/models/doc2vec_corpusfile.pyx":380
 *                 if c.learn_words:
 *                     for m in range(j, k):
 *                         if m == i:             # <<<<<<<<<<<<<<
 *                             continue
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 */
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                if (__pyx_t_10) {

                  /* "gensim/models/doc2vec_corpusfile.pyx":381
 *                     for m in range(j, k):
 *                         if m == i:
 *                             continue             # <<<<<<<<<<<<<<
 *                         else:
 *                              our_saxpy(
 */
                  goto __pyx_L28_continue;

                  /* "gensim/models/doc2vec_corpusfile.pyx":380
 *                 if c.learn_words:
 *                     for m in range(j, k):
 *                         if m == i:             # <<<<<<<<<<<<<<
 *                             continue
 *                         else:
 */
                }

                /* "gensim/models/doc2vec_corpusfile.pyx":383
 *                             continue
 *                         else:
 *                              our_saxpy(             # <<<<<<<<<<<<<<
 *                                 &c.layer1_size, &c.words_lockf[c.indexes[m] % c.words_lockf_len], c.work, &ONE,
 *                                 &c.word_vectors[c.indexes[m] * c.layer1_size], &ONE)
 */
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                  /* "gensim/models/doc2vec_corpusfile.pyx":385
 *                              our_saxpy(
 *                                 &c.layer1_size, &c.words_lockf[c.indexes[m] % c.words_lockf_len], c.work, &ONE,
 *                                 &c.word_vectors[c.indexes[m] * c.layer1_size], &ONE)             # <<<<<<<<<<<<<<
 * 
 *             total_documents += 1
 */
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              /* "gensim/models/doc2vec_corpusfile.pyx":378
 *                         &c.layer1_size, &c.doctags_lockf[_doc_tag % c.doctags_lockf_len], c.work,
 *                         &ONE, &c.doctag_vectors[_doc_tag * c.layer1_size], &ONE)
 *                 if c.learn_words:             # <<<<<<<<<<<<<<
 *                     for m in range(j, k):
 *                         if m == i:
 */
            }
          }

          /* "gensim/models/doc2vec_corpusfile.pyx":387
 *                                 &c.word_vectors[c.indexes[m] * c.layer1_size], &ONE)
 * 
 *             total_documents += 1             # <<<<<<<<<<<<<<
 *             total_effective_words += effective_words
 *             _doc_tag += 1
 */
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          /* "gensim/models/doc2vec_corpusfile.pyx":388
 * 
 *             total_documents += 1
 *             total_effective_words += effective_words             # <<<<<<<<<<<<<<
 *             _doc_tag += 1
 * 
 */
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 *             total_documents += 1
 *             total_effective_words += effective_words
 *             _doc_tag += 1             # <<<<<<<<<<<<<<
 * 
 *             c.alpha = get_next_alpha(
 */
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          /* "gensim/models/doc2vec_corpusfile.pyx":391
 *             _doc_tag += 1
 * 
 *             c.alpha = get_next_alpha(             # <<<<<<<<<<<<<<
 *                 start_alpha, end_alpha, total_documents, total_words, expected_examples,
 *                 expected_words, cur_epoch, num_epochs)
 */
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      /* "gensim/models/doc2vec_corpusfile.pyx":320
 * 
 *     # release GIL & train on the full corpus, document by document
 *     with nogil:             # <<<<<<<<<<<<<<
 *         input_stream.reset()
 *         while not (input_stream.is_eof() or total_words > expected_words / c.workers):
 */
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          Py_BLOCK_THREADS
          #endif
          goto __pyx_L5;
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          #endif
          goto __pyx_L1_error;
        }
        __pyx_L5:;
      }
  }

  /* "gensim/models/doc2vec_corpusfile.pyx":395
 *                 expected_words, cur_epoch, num_epochs)
 * 
 *     return total_documents, total_effective_words, total_words             # <<<<<<<<<<<<<<
 * 
 * 
 */
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  /* "gensim/models/doc2vec_corpusfile.pyx":244
 * 
 * 
 * def d2v_train_epoch_dm(             # <<<<<<<<<<<<<<
 *         model, corpus_file, offset, start_doctag, _cython_vocab, _cur_epoch, _expected_examples,
 *         _expected_words, work, neu1, docvecs_count, word_vectors=None, words_lockf=None,
 */

  /* function exit code */
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/* "gensim/models/doc2vec_corpusfile.pyx":398
 * 
 * 
 * def d2v_train_epoch_dm_concat(             # <<<<<<<<<<<<<<
 *         model, corpus_file, offset, start_doctag, _cython_vocab, _cur_epoch, _expected_examples,
 *         _expected_words, work, neu1, docvecs_count, word_vectors=None, words_lockf=None,
 */

/* Python wrapper */
static PyObject *__pyx_pw_6gensim_6models_18doc2vec_corpusfile_5d2v_train_epoch_dm_concat(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_6gensim_6models_18doc2vec_corpusfile_4d2v_train_epoch_dm_concat[] = "d2v_train_epoch_dm_concat(model, corpus_file, offset, start_doctag, _cython_vocab, _cur_epoch, _expected_examples, _expected_words, work, neu1, docvecs_count, word_vectors=None, words_lockf=None, learn_doctags=True, learn_words=True, learn_hidden=True, doctag_vectors=None, doctags_lockf=None)\nTrain distributed memory model (\"PV-DM\") by training on a corpus file, using a concatenation of the context\n     window word vectors (rather than a sum or average).\n     This might be slower since the input at each batch will be significantly larger.\n\n    Called internally from :meth:`~gensim.models.doc2vec.Doc2Vec.train`.\n\n    Parameters\n    ----------\n    model : :class:`~gensim.models.doc2vec.Doc2Vec`\n        The FastText model instance to train.\n    corpus_file : str\n        Path to corpus file.\n    _cur_epoch : int\n        Current epoch number. Used for calculating and decaying learning rate.\n    work : np.ndarray\n        Private working memory for each worker.\n    neu1 : np.ndarray\n        Private working memory for each worker.\n    learn_doctags : bool, optional\n        Whether the tag vectors should be updated.\n    learn_words : bool, optional\n        Word vectors will be updated exactly as per Word2Vec skip-gram training only if **both**\n        `learn_words` and `train_words` are set to True.\n    learn_hidden : bool, optional\n        Whether or not the weights of the hidden layer will be updated.\n    word_vectors : numpy.ndarray, optional\n        The vector representation for each word in the vocabulary. If None, these will be retrieved from the model.\n    words_lockf : numpy.ndarray, optional\n        EXPERIMENTAL. A learning lock factor for each word-vector, value 0.0 completely blocks updates, a value\n        of 1.0 allows normal updates to word-vectors.\n    doctag_vectors : numpy.ndarray, optional\n        Vector representations of the tags. If None, these will be retrieved from the model.\n    doctags_lockf : numpy.ndarray, optiona""l\n        EXPERIMENTAL. The lock factors for each tag, same as `words_lockf`, but for document-vectors.\n\n    Returns\n    -------\n    int\n        Number of words in the input document that were actually used for training.\n\n    ";
static PyMethodDef __pyx_mdef_6gensim_6models_18doc2vec_corpusfile_5d2v_train_epoch_dm_concat = {"d2v_train_epoch_dm_concat", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_6gensim_6models_18doc2vec_corpusfile_5d2v_train_epoch_dm_concat, METH_VARARGS|METH_KEYWORDS, __pyx_doc_6gensim_6models_18doc2vec_corpusfile_4d2v_train_epoch_dm_concat};
static PyObject *__pyx_pw_6gensim_6models_18doc2vec_corpusfile_5d2v_train_epoch_dm_concat(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
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  PyObject *__pyx_v__expected_examples = 0;
  PyObject *__pyx_v__expected_words = 0;
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 * 
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 *         &c, model, _alpha, learn_doctags, learn_words, learn_hidden, train_words=False,
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 *         input_stream.reset()
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 *     with nogil:
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 *         while not (input_stream.is_eof() or total_words > expected_words / c.workers):
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 */
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 *         while not (input_stream.is_eof() or total_words > expected_words / c.workers):             # <<<<<<<<<<<<<<
 *             effective_words = 0
 * 
 */
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 *         input_stream.reset()
 *         while not (input_stream.is_eof() or total_words > expected_words / c.workers):
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 * 
 *             doc_words = input_stream.read_sentence()
 */
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 * 
 *             doc_words = input_stream.read_sentence()             # <<<<<<<<<<<<<<
 * 
 *             # FIXME? These next 2 lines look fishy to me (gojomo). First, skipping to
 */
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 *             # with less duplication. So I'm not sure anything is broken & it's far from
 *             # a near-term priority - thus leaving this note.
 *             _doc_tag = total_documents             # <<<<<<<<<<<<<<
 *             c.doctag_len = _doc_tag < c.docvecs_count
 * 
 */
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 *             # a near-term priority - thus leaving this note.
 *             _doc_tag = total_documents
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 * 
 *              # skip doc either empty or without expected number of tags
 */
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 * 
 *              # skip doc either empty or without expected number of tags
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 *                 continue
 * 
 */
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          __pyx_t_4 = ((__pyx_v_c.expected_doctag_len != __pyx_v_c.doctag_len) != 0);
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 *              # skip doc either empty or without expected number of tags
 *             if doc_words.empty() or c.expected_doctag_len != c.doctag_len:
 *                 continue             # <<<<<<<<<<<<<<
 * 
 *             prepare_c_structures_for_batch(
 */
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            /* "gensim/models/doc2vec_corpusfile.pyx":495
 * 
 *              # skip doc either empty or without expected number of tags
 *             if doc_words.empty() or c.expected_doctag_len != c.doctag_len:             # <<<<<<<<<<<<<<
 *                 continue
 * 
 */
          }

          /* "gensim/models/doc2vec_corpusfile.pyx":500
 *             prepare_c_structures_for_batch(
 *                 doc_words, c.sample, c.hs, c.window, &total_words, &effective_words,
 *                 &c.next_random, vocab.get_vocab_ptr(), c.indexes, c.codelens, c.codes,             # <<<<<<<<<<<<<<
 *                 c.points, NULL, &document_len, c.train_words, c.docvecs_count, _doc_tag,
 *                 shrink_windows)
 */
          __pyx_t_12 = ((struct __pyx_vtabstruct_6gensim_6models_19word2vec_corpusfile_CythonVocab *)__pyx_v_vocab->__pyx_vtab)->get_vocab_ptr(__pyx_v_vocab); if (unlikely(__Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 500, __pyx_L4_error)

          /* "gensim/models/doc2vec_corpusfile.pyx":498
 *                 continue
 * 
 *             prepare_c_structures_for_batch(             # <<<<<<<<<<<<<<
 *                 doc_words, c.sample, c.hs, c.window, &total_words, &effective_words,
 *                 &c.next_random, vocab.get_vocab_ptr(), c.indexes, c.codelens, c.codes,
 */
          __pyx_f_6gensim_6models_18doc2vec_corpusfile_prepare_c_structures_for_batch(__pyx_v_doc_words, __pyx_v_c.sample, __pyx_v_c.hs, __pyx_v_c.window, (&__pyx_v_total_words), (&__pyx_v_effective_words), (&__pyx_v_c.next_random), __pyx_t_12, __pyx_v_c.indexes, __pyx_v_c.codelens, __pyx_v_c.codes, __pyx_v_c.points, NULL, (&__pyx_v_document_len), __pyx_v_c.train_words, __pyx_v_c.docvecs_count, __pyx_v__doc_tag, __pyx_v_shrink_windows);

          /* "gensim/models/doc2vec_corpusfile.pyx":504
 *                 shrink_windows)
 * 
 *             for i in range(document_len):             # <<<<<<<<<<<<<<
 *                 j = i - c.window      # negative OK: will pad with null word
 *                 k = i + c.window + 1  # past document end OK: will pad with null word
 */
          __pyx_t_1 = __pyx_v_document_len;
          __pyx_t_13 = __pyx_t_1;
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            __pyx_v_i = __pyx_t_14;

            /* "gensim/models/doc2vec_corpusfile.pyx":505
 * 
 *             for i in range(document_len):
 *                 j = i - c.window      # negative OK: will pad with null word             # <<<<<<<<<<<<<<
 *                 k = i + c.window + 1  # past document end OK: will pad with null word
 * 
 */
            __pyx_v_j = (__pyx_v_i - __pyx_v_c.window);

            /* "gensim/models/doc2vec_corpusfile.pyx":506
 *             for i in range(document_len):
 *                 j = i - c.window      # negative OK: will pad with null word
 *                 k = i + c.window + 1  # past document end OK: will pad with null word             # <<<<<<<<<<<<<<
 * 
 *                 # compose l1 & clear work
 */
            __pyx_v_k = ((__pyx_v_i + __pyx_v_c.window) + 1);

            /* "gensim/models/doc2vec_corpusfile.pyx":509
 * 
 *                 # compose l1 & clear work
 *                 if _doc_tag < c.docvecs_count:             # <<<<<<<<<<<<<<
 *                     # doc vector(s)
 *                     memcpy(&c.neu1[0], &c.doctag_vectors[_doc_tag * c.vector_size], c.vector_size * cython.sizeof(REAL_t))
 */
            __pyx_t_10 = ((__pyx_v__doc_tag < __pyx_v_c.docvecs_count) != 0);
            if (__pyx_t_10) {

              /* "gensim/models/doc2vec_corpusfile.pyx":511
 *                 if _doc_tag < c.docvecs_count:
 *                     # doc vector(s)
 *                     memcpy(&c.neu1[0], &c.doctag_vectors[_doc_tag * c.vector_size], c.vector_size * cython.sizeof(REAL_t))             # <<<<<<<<<<<<<<
 *                 n = 0
 *                 for m in range(j, k):
 */
              (void)(memcpy((&(__pyx_v_c.neu1[0])), (&(__pyx_v_c.doctag_vectors[(__pyx_v__doc_tag * __pyx_v_c.vector_size)])), (__pyx_v_c.vector_size * (sizeof(__pyx_t_6gensim_6models_14word2vec_inner_REAL_t)))));

              /* "gensim/models/doc2vec_corpusfile.pyx":509
 * 
 *                 # compose l1 & clear work
 *                 if _doc_tag < c.docvecs_count:             # <<<<<<<<<<<<<<
 *                     # doc vector(s)
 *                     memcpy(&c.neu1[0], &c.doctag_vectors[_doc_tag * c.vector_size], c.vector_size * cython.sizeof(REAL_t))
 */
            }

            /* "gensim/models/doc2vec_corpusfile.pyx":512
 *                     # doc vector(s)
 *                     memcpy(&c.neu1[0], &c.doctag_vectors[_doc_tag * c.vector_size], c.vector_size * cython.sizeof(REAL_t))
 *                 n = 0             # <<<<<<<<<<<<<<
 *                 for m in range(j, k):
 *                     # word vectors in window
 */
            __pyx_v_n = 0;

            /* "gensim/models/doc2vec_corpusfile.pyx":513
 *                     memcpy(&c.neu1[0], &c.doctag_vectors[_doc_tag * c.vector_size], c.vector_size * cython.sizeof(REAL_t))
 *                 n = 0
 *                 for m in range(j, k):             # <<<<<<<<<<<<<<
 *                     # word vectors in window
 *                     if m == i:
 */
            __pyx_t_15 = __pyx_v_k;
            __pyx_t_16 = __pyx_t_15;
            for (__pyx_t_17 = __pyx_v_j; __pyx_t_17 < __pyx_t_16; __pyx_t_17+=1) {
              __pyx_v_m = __pyx_t_17;

              /* "gensim/models/doc2vec_corpusfile.pyx":515
 *                 for m in range(j, k):
 *                     # word vectors in window
 *                     if m == i:             # <<<<<<<<<<<<<<
 *                         continue
 *                     if m < 0 or m >= document_len:
 */
              __pyx_t_10 = ((__pyx_v_m == __pyx_v_i) != 0);
              if (__pyx_t_10) {

                /* "gensim/models/doc2vec_corpusfile.pyx":516
 *                     # word vectors in window
 *                     if m == i:
 *                         continue             # <<<<<<<<<<<<<<
 *                     if m < 0 or m >= document_len:
 *                         c.window_indexes[n] = c.null_word_index
 */
                goto __pyx_L16_continue;

                /* "gensim/models/doc2vec_corpusfile.pyx":515
 *                 for m in range(j, k):
 *                     # word vectors in window
 *                     if m == i:             # <<<<<<<<<<<<<<
 *                         continue
 *                     if m < 0 or m >= document_len:
 */
              }

              /* "gensim/models/doc2vec_corpusfile.pyx":517
 *                     if m == i:
 *                         continue
 *                     if m < 0 or m >= document_len:             # <<<<<<<<<<<<<<
 *                         c.window_indexes[n] = c.null_word_index
 *                     else:
 */
              __pyx_t_4 = ((__pyx_v_m < 0) != 0);
              if (!__pyx_t_4) {
              } else {
                __pyx_t_10 = __pyx_t_4;
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              }
              __pyx_t_4 = ((__pyx_v_m >= __pyx_v_document_len) != 0);
              __pyx_t_10 = __pyx_t_4;
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              if (__pyx_t_10) {

                /* "gensim/models/doc2vec_corpusfile.pyx":518
 *                         continue
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 */
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 * 
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 * 
 *                 if c.hs:             # <<<<<<<<<<<<<<
 *                     fast_document_dmc_hs(
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 */
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 * 
 *                 if c.negative:             # <<<<<<<<<<<<<<
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              /* "gensim/models/doc2vec_corpusfile.pyx":539
 * 
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 * def d2v_train_epoch_dm(             # <<<<<<<<<<<<<<
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 * 
 * def d2v_train_epoch_dm_concat(             # <<<<<<<<<<<<<<
 *         model, corpus_file, offset, start_doctag, _cython_vocab, _cur_epoch, _expected_examples,
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 */
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#if PY_MAJOR_VERSION < 3
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    return PyObject_GetAttr(obj, attr_name);
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#if PY_MAJOR_VERSION >= 3
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            "name '%.200s' is not defined", PyString_AS_STRING(name));
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/* RaiseArgTupleInvalid */
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                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
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                    PyUnicode_Compare(**name, key);
                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
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                PyObject*** argname = argnames;
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                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
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                        PyUnicode_Compare(**argname, key);
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invalid_keyword_type:
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invalid_keyword:
    PyErr_Format(PyExc_TypeError,
    #if PY_MAJOR_VERSION < 3
        "%.200s() got an unexpected keyword argument '%.200s'",
        function_name, PyString_AsString(key));
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        PyErr_SetString(
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        PyErr_SetString(PyExc_SystemError, "Missing type object");
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    if (likely(__Pyx_TypeCheck(obj, type)))
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    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
                 Py_TYPE(obj)->tp_name, type->tp_name);
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/* PyErrFetchRestore */
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static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
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static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
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raise_error:
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            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_FAST_THREAD_STATE
        PyThreadState *tstate = __Pyx_PyThreadState_Current;
        PyObject* tmp_tb = tstate->curexc_traceback;
        if (tb != tmp_tb) {
            Py_INCREF(tb);
            tstate->curexc_traceback = tb;
            Py_XDECREF(tmp_tb);
        }
#else
        PyObject *tmp_type, *tmp_value, *tmp_tb;
        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
        Py_INCREF(tb);
        PyErr_Restore(tmp_type, tmp_value, tb);
        Py_XDECREF(tmp_tb);
#endif
    }
bad:
    Py_XDECREF(owned_instance);
    return;
}
#endif

/* TypeImport */
#ifndef __PYX_HAVE_RT_ImportType_0_29_36
#define __PYX_HAVE_RT_ImportType_0_29_36
static PyTypeObject *__Pyx_ImportType_0_29_36(PyObject *module, const char *module_name, const char *class_name,
    size_t size, size_t alignment, enum __Pyx_ImportType_CheckSize_0_29_36 check_size)
{
    PyObject *result = 0;
    char warning[200];
    Py_ssize_t basicsize;
    Py_ssize_t itemsize;
#ifdef Py_LIMITED_API
    PyObject *py_basicsize;
    PyObject *py_itemsize;
#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;
    itemsize = ((PyTypeObject *)result)->tp_itemsize;
#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;
    py_itemsize = PyObject_GetAttrString(result, "__itemsize__");
    if (!py_itemsize)
        goto bad;
    itemsize = PyLong_AsSsize_t(py_itemsize);
    Py_DECREF(py_itemsize);
    py_itemsize = 0;
    if (itemsize == (Py_ssize_t)-1 && PyErr_Occurred())
        goto bad;
#endif
    if (itemsize) {
        if (size % alignment) {
            alignment = size % alignment;
        }
        if (itemsize < (Py_ssize_t)alignment)
            itemsize = (Py_ssize_t)alignment;
    }
    if ((size_t)(basicsize + itemsize) < 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_0_29_36 && (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_0_29_36 && (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;
}

/* 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;
}

/* 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

/* CLineInTraceback */
#ifndef CYTHON_CLINE_IN_TRACEBACK
static int __Pyx_CLineForTraceback(CYTHON_UNUSED PyThreadState *tstate, int c_line) {
    PyObject *use_cline;
    PyObject *ptype, *pvalue, *ptraceback;
#if CYTHON_COMPILING_IN_CPYTHON
    PyObject **cython_runtime_dict;
#endif
    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;\
    }

/* None */
static CYTHON_INLINE int __Pyx_ErrOccurredWithGIL(void) {
  int err;
  #ifdef WITH_THREAD
  PyGILState_STATE _save = PyGILState_Ensure();
  #endif
  err = !!PyErr_Occurred();
  #ifdef WITH_THREAD
  PyGILState_Release(_save);
  #endif
  return err;
}

/* Declarations */
#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
      return ::std::complex< float >(x, y);
    }
  #else
    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
      return x + y*(__pyx_t_float_complex)_Complex_I;
    }
  #endif
#else
    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
      __pyx_t_float_complex z;
      z.real = x;
      z.imag = y;
      return z;
    }
#endif

/* Arithmetic */
#if CYTHON_CCOMPLEX
#else
    static CYTHON_INLINE int __Pyx_c_eq_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
       return (a.real == b.real) && (a.imag == b.imag);
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sum_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        __pyx_t_float_complex z;
        z.real = a.real + b.real;
        z.imag = a.imag + b.imag;
        return z;
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_diff_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        __pyx_t_float_complex z;
        z.real = a.real - b.real;
        z.imag = a.imag - b.imag;
        return z;
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prod_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        __pyx_t_float_complex z;
        z.real = a.real * b.real - a.imag * b.imag;
        z.imag = a.real * b.imag + a.imag * b.real;
        return z;
    }
    #if 1
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quot_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        if (b.imag == 0) {
            return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.real);
        } else if (fabsf(b.real) >= fabsf(b.imag)) {
            if (b.real == 0 && b.imag == 0) {
                return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.imag);
            } else {
                float r = b.imag / b.real;
                float s = (float)(1.0) / (b.real + b.imag * r);
                return __pyx_t_float_complex_from_parts(
                    (a.real + a.imag * r) * s, (a.imag - a.real * r) * s);
            }
        } else {
            float r = b.real / b.imag;
            float s = (float)(1.0) / (b.imag + b.real * r);
            return __pyx_t_float_complex_from_parts(
                (a.real * r + a.imag) * s, (a.imag * r - a.real) * s);
        }
    }
    #else
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quot_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        if (b.imag == 0) {
            return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.real);
        } else {
            float denom = b.real * b.real + b.imag * b.imag;
            return __pyx_t_float_complex_from_parts(
                (a.real * b.real + a.imag * b.imag) / denom,
                (a.imag * b.real - a.real * b.imag) / denom);
        }
    }
    #endif
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_neg_float(__pyx_t_float_complex a) {
        __pyx_t_float_complex z;
        z.real = -a.real;
        z.imag = -a.imag;
        return z;
    }
    static CYTHON_INLINE int __Pyx_c_is_zero_float(__pyx_t_float_complex a) {
       return (a.real == 0) && (a.imag == 0);
    }
    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conj_float(__pyx_t_float_complex a) {
        __pyx_t_float_complex z;
        z.real =  a.real;
        z.imag = -a.imag;
        return z;
    }
    #if 1
        static CYTHON_INLINE float __Pyx_c_abs_float(__pyx_t_float_complex z) {
          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
            return sqrtf(z.real*z.real + z.imag*z.imag);
          #else
            return hypotf(z.real, z.imag);
          #endif
        }
        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_pow_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
            __pyx_t_float_complex z;
            float r, lnr, theta, z_r, z_theta;
            if (b.imag == 0 && b.real == (int)b.real) {
                if (b.real < 0) {
                    float denom = a.real * a.real + a.imag * a.imag;
                    a.real = a.real / denom;
                    a.imag = -a.imag / denom;
                    b.real = -b.real;
                }
                switch ((int)b.real) {
                    case 0:
                        z.real = 1;
                        z.imag = 0;
                        return z;
                    case 1:
                        return a;
                    case 2:
                        return __Pyx_c_prod_float(a, a);
                    case 3:
                        z = __Pyx_c_prod_float(a, a);
                        return __Pyx_c_prod_float(z, a);
                    case 4:
                        z = __Pyx_c_prod_float(a, a);
                        return __Pyx_c_prod_float(z, z);
                }
            }
            if (a.imag == 0) {
                if (a.real == 0) {
                    return a;
                } else if ((b.imag == 0) && (a.real >= 0)) {
                    z.real = powf(a.real, b.real);
                    z.imag = 0;
                    return z;
                } else if (a.real > 0) {
                    r = a.real;
                    theta = 0;
                } else {
                    r = -a.real;
                    theta = atan2f(0.0, -1.0);
                }
            } else {
                r = __Pyx_c_abs_float(a);
                theta = atan2f(a.imag, a.real);
            }
            lnr = logf(r);
            z_r = expf(lnr * b.real - theta * b.imag);
            z_theta = theta * b.real + lnr * b.imag;
            z.real = z_r * cosf(z_theta);
            z.imag = z_r * sinf(z_theta);
            return z;
        }
    #endif
#endif

/* Declarations */
#if CYTHON_CCOMPLEX
  #ifdef __cplusplus
    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
      return ::std::complex< double >(x, y);
    }
  #else
    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
      return x + y*(__pyx_t_double_complex)_Complex_I;
    }
  #endif
#else
    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
      __pyx_t_double_complex z;
      z.real = x;
      z.imag = y;
      return z;
    }
#endif

/* Arithmetic */
#if CYTHON_CCOMPLEX
#else
    static CYTHON_INLINE int __Pyx_c_eq_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
       return (a.real == b.real) && (a.imag == b.imag);
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        __pyx_t_double_complex z;
        z.real = a.real + b.real;
        z.imag = a.imag + b.imag;
        return z;
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        __pyx_t_double_complex z;
        z.real = a.real - b.real;
        z.imag = a.imag - b.imag;
        return z;
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        __pyx_t_double_complex z;
        z.real = a.real * b.real - a.imag * b.imag;
        z.imag = a.real * b.imag + a.imag * b.real;
        return z;
    }
    #if 1
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        if (b.imag == 0) {
            return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.real);
        } else if (fabs(b.real) >= fabs(b.imag)) {
            if (b.real == 0 && b.imag == 0) {
                return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.imag);
            } else {
                double r = b.imag / b.real;
                double s = (double)(1.0) / (b.real + b.imag * r);
                return __pyx_t_double_complex_from_parts(
                    (a.real + a.imag * r) * s, (a.imag - a.real * r) * s);
            }
        } else {
            double r = b.real / b.imag;
            double s = (double)(1.0) / (b.imag + b.real * r);
            return __pyx_t_double_complex_from_parts(
                (a.real * r + a.imag) * s, (a.imag * r - a.real) * s);
        }
    }
    #else
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        if (b.imag == 0) {
            return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.real);
        } else {
            double denom = b.real * b.real + b.imag * b.imag;
            return __pyx_t_double_complex_from_parts(
                (a.real * b.real + a.imag * b.imag) / denom,
                (a.imag * b.real - a.real * b.imag) / denom);
        }
    }
    #endif
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg_double(__pyx_t_double_complex a) {
        __pyx_t_double_complex z;
        z.real = -a.real;
        z.imag = -a.imag;
        return z;
    }
    static CYTHON_INLINE int __Pyx_c_is_zero_double(__pyx_t_double_complex a) {
       return (a.real == 0) && (a.imag == 0);
    }
    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj_double(__pyx_t_double_complex a) {
        __pyx_t_double_complex z;
        z.real =  a.real;
        z.imag = -a.imag;
        return z;
    }
    #if 1
        static CYTHON_INLINE double __Pyx_c_abs_double(__pyx_t_double_complex z) {
          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
            return sqrt(z.real*z.real + z.imag*z.imag);
          #else
            return hypot(z.real, z.imag);
          #endif
        }
        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
            __pyx_t_double_complex z;
            double r, lnr, theta, z_r, z_theta;
            if (b.imag == 0 && b.real == (int)b.real) {
                if (b.real < 0) {
                    double denom = a.real * a.real + a.imag * a.imag;
                    a.real = a.real / denom;
                    a.imag = -a.imag / denom;
                    b.real = -b.real;
                }
                switch ((int)b.real) {
                    case 0:
                        z.real = 1;
                        z.imag = 0;
                        return z;
                    case 1:
                        return a;
                    case 2:
                        return __Pyx_c_prod_double(a, a);
                    case 3:
                        z = __Pyx_c_prod_double(a, a);
                        return __Pyx_c_prod_double(z, a);
                    case 4:
                        z = __Pyx_c_prod_double(a, a);
                        return __Pyx_c_prod_double(z, z);
                }
            }
            if (a.imag == 0) {
                if (a.real == 0) {
                    return a;
                } else if ((b.imag == 0) && (a.real >= 0)) {
                    z.real = pow(a.real, b.real);
                    z.imag = 0;
                    return z;
                } else if (a.real > 0) {
                    r = a.real;
                    theta = 0;
                } else {
                    r = -a.real;
                    theta = atan2(0.0, -1.0);
                }
            } else {
                r = __Pyx_c_abs_double(a);
                theta = atan2(a.imag, a.real);
            }
            lnr = log(r);
            z_r = exp(lnr * b.real - theta * b.imag);
            z_theta = theta * b.real + lnr * b.imag;
            z.real = z_r * cos(z_theta);
            z.imag = z_r * sin(z_theta);
            return z;
        }
    #endif
#endif

/* CIntToPy */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
#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 && PY_VERSION_HEX < 0x030C00A7
            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 PY_LONG_LONG __Pyx_PyInt_As_PY_LONG_LONG(PyObject *x) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const PY_LONG_LONG neg_one = (PY_LONG_LONG) -1, const_zero = (PY_LONG_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(PY_LONG_LONG) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (PY_LONG_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 (PY_LONG_LONG) 0;
                case  1: __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, digit, digits[0])
                case 2:
                    if (8 * sizeof(PY_LONG_LONG) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(PY_LONG_LONG) >= 2 * PyLong_SHIFT) {
                            return (PY_LONG_LONG) (((((PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(PY_LONG_LONG) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(PY_LONG_LONG) >= 3 * PyLong_SHIFT) {
                            return (PY_LONG_LONG) (((((((PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(PY_LONG_LONG) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(PY_LONG_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(PY_LONG_LONG) >= 4 * PyLong_SHIFT) {
                            return (PY_LONG_LONG) (((((((((PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
            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 (PY_LONG_LONG) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(PY_LONG_LONG) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(PY_LONG_LONG, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(PY_LONG_LONG) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(PY_LONG_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 (PY_LONG_LONG) 0;
                case -1: __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(PY_LONG_LONG,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(PY_LONG_LONG) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                            return (PY_LONG_LONG) (((PY_LONG_LONG)-1)*(((((PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(PY_LONG_LONG) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                            return (PY_LONG_LONG) ((((((PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                            return (PY_LONG_LONG) (((PY_LONG_LONG)-1)*(((((((PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(PY_LONG_LONG) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                            return (PY_LONG_LONG) ((((((((PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(PY_LONG_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(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                            return (PY_LONG_LONG) (((PY_LONG_LONG)-1)*(((((((((PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(PY_LONG_LONG) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(PY_LONG_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(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                            return (PY_LONG_LONG) ((((((((((PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(PY_LONG_LONG) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(PY_LONG_LONG, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(PY_LONG_LONG) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(PY_LONG_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
            PY_LONG_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 (PY_LONG_LONG) -1;
        }
    } else {
        PY_LONG_LONG val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (PY_LONG_LONG) -1;
        val = __Pyx_PyInt_As_PY_LONG_LONG(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to PY_LONG_LONG");
    return (PY_LONG_LONG) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to PY_LONG_LONG");
    return (PY_LONG_LONG) -1;
}

/* 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);
    }
}

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

/* 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 && PY_VERSION_HEX < 0x030C00A7
            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;
}

/* 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;
}

/* VoidPtrImport */
#ifndef __PYX_HAVE_RT_ImportVoidPtr_0_29_36
#define __PYX_HAVE_RT_ImportVoidPtr_0_29_36
static int __Pyx_ImportVoidPtr_0_29_36(PyObject *module, const char *name, void **p, const char *sig) {
    PyObject *d = 0;
    PyObject *cobj = 0;
    d = PyObject_GetAttrString(module, (char *)"__pyx_capi__");
    if (!d)
        goto bad;
    cobj = PyDict_GetItemString(d, name);
    if (!cobj) {
        PyErr_Format(PyExc_ImportError,
            "%.200s does not export expected C variable %.200s",
                PyModule_GetName(module), name);
        goto bad;
    }
#if PY_VERSION_HEX >= 0x02070000
    if (!PyCapsule_IsValid(cobj, sig)) {
        PyErr_Format(PyExc_TypeError,
            "C variable %.200s.%.200s has wrong signature (expected %.500s, got %.500s)",
             PyModule_GetName(module), name, sig, PyCapsule_GetName(cobj));
        goto bad;
    }
    *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 variable %.200s.%.200s has wrong signature (expected %.500s, got %.500s)",
             PyModule_GetName(module), name, sig, desc);
        goto bad;
    }
    *p = PyCObject_AsVoidPtr(cobj);}
#endif
    if (!(*p))
        goto bad;
    Py_DECREF(d);
    return 0;
bad:
    Py_XDECREF(d);
    return -1;
}
#endif

/* FunctionImport */
#ifndef __PYX_HAVE_RT_ImportFunction_0_29_36
#define __PYX_HAVE_RT_ImportFunction_0_29_36
static int __Pyx_ImportFunction_0_29_36(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 */
