/* Generated by Cython 0.25.2 */

/* BEGIN: Cython Metadata
{
    "distutils": {
        "depends": [
            "discodop/bitcount.h",
            "discodop/macros.h"
        ],
        "extra_compile_args": [
            "-O3",
            "-march=native",
            "-DNDEBUG",
            "-Wno-strict-prototypes",
            "-Wno-unused-function",
            "-Wno-unreachable-code",
            "-DPY2=0"
        ],
        "extra_link_args": [
            "-DNDEBUG"
        ]
    },
    "module_name": "discodop._fragments"
}
END: Cython Metadata */

#define PY_SSIZE_T_CLEAN
#include "Python.h"
#ifndef Py_PYTHON_H
    #error Python headers needed to compile C extensions, please install development version of Python.
#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03020000)
    #error Cython requires Python 2.6+ or Python 3.2+.
#else
#define CYTHON_ABI "0_25_2"
#include <stddef.h>
#ifndef offsetof
  #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
#endif
#if !defined(WIN32) && !defined(MS_WINDOWS)
  #ifndef __stdcall
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#ifndef DL_IMPORT
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#ifndef DL_EXPORT
  #define DL_EXPORT(t) t
#endif
#ifndef HAVE_LONG_LONG
  #if PY_VERSION_HEX >= 0x03030000 || (PY_MAJOR_VERSION == 2 && PY_VERSION_HEX >= 0x02070000)
    #define HAVE_LONG_LONG
  #endif
#endif
#ifndef PY_LONG_LONG
  #define PY_LONG_LONG LONG_LONG
#endif
#ifndef Py_HUGE_VAL
  #define Py_HUGE_VAL HUGE_VAL
#endif
#ifdef PYPY_VERSION
  #define CYTHON_COMPILING_IN_PYPY 1
  #define CYTHON_COMPILING_IN_PYSTON 0
  #define CYTHON_COMPILING_IN_CPYTHON 0
  #undef CYTHON_USE_TYPE_SLOTS
  #define CYTHON_USE_TYPE_SLOTS 0
  #undef CYTHON_USE_ASYNC_SLOTS
  #define CYTHON_USE_ASYNC_SLOTS 0
  #undef CYTHON_USE_PYLIST_INTERNALS
  #define CYTHON_USE_PYLIST_INTERNALS 0
  #undef CYTHON_USE_UNICODE_INTERNALS
  #define CYTHON_USE_UNICODE_INTERNALS 0
  #undef CYTHON_USE_UNICODE_WRITER
  #define CYTHON_USE_UNICODE_WRITER 0
  #undef CYTHON_USE_PYLONG_INTERNALS
  #define CYTHON_USE_PYLONG_INTERNALS 0
  #undef CYTHON_AVOID_BORROWED_REFS
  #define CYTHON_AVOID_BORROWED_REFS 1
  #undef CYTHON_ASSUME_SAFE_MACROS
  #define CYTHON_ASSUME_SAFE_MACROS 0
  #undef CYTHON_UNPACK_METHODS
  #define CYTHON_UNPACK_METHODS 0
  #undef CYTHON_FAST_THREAD_STATE
  #define CYTHON_FAST_THREAD_STATE 0
  #undef CYTHON_FAST_PYCALL
  #define CYTHON_FAST_PYCALL 0
#elif defined(PYSTON_VERSION)
  #define CYTHON_COMPILING_IN_PYPY 0
  #define CYTHON_COMPILING_IN_PYSTON 1
  #define CYTHON_COMPILING_IN_CPYTHON 0
  #ifndef CYTHON_USE_TYPE_SLOTS
    #define CYTHON_USE_TYPE_SLOTS 1
  #endif
  #undef CYTHON_USE_ASYNC_SLOTS
  #define CYTHON_USE_ASYNC_SLOTS 0
  #undef CYTHON_USE_PYLIST_INTERNALS
  #define CYTHON_USE_PYLIST_INTERNALS 0
  #ifndef CYTHON_USE_UNICODE_INTERNALS
    #define CYTHON_USE_UNICODE_INTERNALS 1
  #endif
  #undef CYTHON_USE_UNICODE_WRITER
  #define CYTHON_USE_UNICODE_WRITER 0
  #undef CYTHON_USE_PYLONG_INTERNALS
  #define CYTHON_USE_PYLONG_INTERNALS 0
  #ifndef CYTHON_AVOID_BORROWED_REFS
    #define CYTHON_AVOID_BORROWED_REFS 0
  #endif
  #ifndef CYTHON_ASSUME_SAFE_MACROS
    #define CYTHON_ASSUME_SAFE_MACROS 1
  #endif
  #ifndef CYTHON_UNPACK_METHODS
    #define CYTHON_UNPACK_METHODS 1
  #endif
  #undef CYTHON_FAST_THREAD_STATE
  #define CYTHON_FAST_THREAD_STATE 0
  #undef CYTHON_FAST_PYCALL
  #define CYTHON_FAST_PYCALL 0
#else
  #define CYTHON_COMPILING_IN_PYPY 0
  #define CYTHON_COMPILING_IN_PYSTON 0
  #define CYTHON_COMPILING_IN_CPYTHON 1
  #ifndef CYTHON_USE_TYPE_SLOTS
    #define CYTHON_USE_TYPE_SLOTS 1
  #endif
  #if PY_MAJOR_VERSION < 3
    #undef CYTHON_USE_ASYNC_SLOTS
    #define CYTHON_USE_ASYNC_SLOTS 0
  #elif !defined(CYTHON_USE_ASYNC_SLOTS)
    #define CYTHON_USE_ASYNC_SLOTS 1
  #endif
  #if PY_VERSION_HEX < 0x02070000
    #undef CYTHON_USE_PYLONG_INTERNALS
    #define CYTHON_USE_PYLONG_INTERNALS 0
  #elif !defined(CYTHON_USE_PYLONG_INTERNALS)
    #define CYTHON_USE_PYLONG_INTERNALS 1
  #endif
  #ifndef CYTHON_USE_PYLIST_INTERNALS
    #define CYTHON_USE_PYLIST_INTERNALS 1
  #endif
  #ifndef CYTHON_USE_UNICODE_INTERNALS
    #define CYTHON_USE_UNICODE_INTERNALS 1
  #endif
  #if PY_VERSION_HEX < 0x030300F0
    #undef CYTHON_USE_UNICODE_WRITER
    #define CYTHON_USE_UNICODE_WRITER 0
  #elif !defined(CYTHON_USE_UNICODE_WRITER)
    #define CYTHON_USE_UNICODE_WRITER 1
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  #ifndef CYTHON_AVOID_BORROWED_REFS
    #define CYTHON_AVOID_BORROWED_REFS 0
  #endif
  #ifndef CYTHON_ASSUME_SAFE_MACROS
    #define CYTHON_ASSUME_SAFE_MACROS 1
  #endif
  #ifndef CYTHON_UNPACK_METHODS
    #define CYTHON_UNPACK_METHODS 1
  #endif
  #ifndef CYTHON_FAST_THREAD_STATE
    #define CYTHON_FAST_THREAD_STATE 1
  #endif
  #ifndef CYTHON_FAST_PYCALL
    #define CYTHON_FAST_PYCALL 1
  #endif
#endif
#if !defined(CYTHON_FAST_PYCCALL)
#define CYTHON_FAST_PYCCALL  (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1)
#endif
#if CYTHON_USE_PYLONG_INTERNALS
  #include "longintrepr.h"
  #undef SHIFT
  #undef BASE
  #undef MASK
#endif
#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
  #define Py_OptimizeFlag 0
#endif
#define __PYX_BUILD_PY_SSIZE_T "n"
#define CYTHON_FORMAT_SSIZE_T "z"
#if PY_MAJOR_VERSION < 3
  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
  #define __Pyx_DefaultClassType PyClass_Type
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  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
  #define __Pyx_DefaultClassType PyType_Type
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#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
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#ifndef METH_FASTCALL
  #define METH_FASTCALL 0x80
  typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject **args,
                                              Py_ssize_t nargs, PyObject *kwnames);
#else
  #define __Pyx_PyCFunctionFast _PyCFunctionFast
#endif
#if CYTHON_FAST_PYCCALL
#define __Pyx_PyFastCFunction_Check(func)\
    ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)))))
#else
#define __Pyx_PyFastCFunction_Check(func) 0
#endif
#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
  #define CYTHON_PEP393_ENABLED 1
  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
                                              0 : _PyUnicode_Ready((PyObject *)(op)))
  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, ch)
  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
#else
  #define CYTHON_PEP393_ENABLED 0
  #define PyUnicode_1BYTE_KIND  1
  #define PyUnicode_2BYTE_KIND  2
  #define PyUnicode_4BYTE_KIND  4
  #define __Pyx_PyUnicode_READY(op)       (0)
  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111)
  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = ch)
  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_SIZE(u))
#endif
#if CYTHON_COMPILING_IN_PYPY
  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
#else
  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\
      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains)
  #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check)
  #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format)
  #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc)
  #define PyObject_Malloc(s)   PyMem_Malloc(s)
  #define PyObject_Free(p)     PyMem_Free(p)
  #define PyObject_Realloc(p)  PyMem_Realloc(p)
#endif
#if CYTHON_COMPILING_IN_PYSTON
  #define __Pyx_PyCode_HasFreeVars(co)  PyCode_HasFreeVars(co)
  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno)
#else
  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
#endif
#define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
#else
  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
#endif
#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII)
  #define PyObject_ASCII(o)            PyObject_Repr(o)
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#if PY_MAJOR_VERSION >= 3
  #define PyBaseString_Type            PyUnicode_Type
  #define PyStringObject               PyUnicodeObject
  #define PyString_Type                PyUnicode_Type
  #define PyString_Check               PyUnicode_Check
  #define PyString_CheckExact          PyUnicode_CheckExact
#endif
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
#else
  #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
#endif
#ifndef PySet_CheckExact
  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
#endif
#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)
#if PY_MAJOR_VERSION >= 3
  #define PyIntObject                  PyLongObject
  #define PyInt_Type                   PyLong_Type
  #define PyInt_Check(op)              PyLong_Check(op)
  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
  #define PyInt_FromString             PyLong_FromString
  #define PyInt_FromUnicode            PyLong_FromUnicode
  #define PyInt_FromLong               PyLong_FromLong
  #define PyInt_FromSize_t             PyLong_FromSize_t
  #define PyInt_FromSsize_t            PyLong_FromSsize_t
  #define PyInt_AsLong                 PyLong_AsLong
  #define PyInt_AS_LONG                PyLong_AS_LONG
  #define PyInt_AsSsize_t              PyLong_AsSsize_t
  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
  #define PyNumber_Int                 PyNumber_Long
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyBoolObject                 PyLongObject
#endif
#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY
  #ifndef PyUnicode_InternFromString
    #define PyUnicode_InternFromString(s) PyUnicode_FromString(s)
  #endif
#endif
#if PY_VERSION_HEX < 0x030200A4
  typedef long Py_hash_t;
  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
#else
  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
#endif
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
#else
  #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
#endif
#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
    typedef struct {
        unaryfunc am_await;
        unaryfunc am_aiter;
        unaryfunc am_anext;
    } __Pyx_PyAsyncMethodsStruct;
    #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved))
  #endif
#else
  #define __Pyx_PyType_AsAsync(obj) NULL
#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)

#ifndef CYTHON_INLINE
  #if defined(__clang__)
    #define CYTHON_INLINE __inline__ __attribute__ ((__unused__))
  #elif defined(__GNUC__)
    #define CYTHON_INLINE __inline__
  #elif defined(_MSC_VER)
    #define CYTHON_INLINE __inline
  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define CYTHON_INLINE inline
  #else
    #define CYTHON_INLINE
  #endif
#endif

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


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

#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
#else
  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
#endif

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

#define __PYX_HAVE__discodop___fragments
#define __PYX_HAVE_API__discodop___fragments
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include "macros.h"
#include "bitcount.h"
#ifdef _OPENMP
#include <omp.h>
#endif /* _OPENMP */

#ifdef PYREX_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_DEFAULT 0
#define __PYX_DEFAULT_STRING_ENCODING ""
#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#define __Pyx_uchar_cast(c) ((unsigned char)c)
#define __Pyx_long_cast(x) ((long)x)
#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (\
    (sizeof(type) < sizeof(Py_ssize_t))  ||\
    (sizeof(type) > sizeof(Py_ssize_t) &&\
          likely(v < (type)PY_SSIZE_T_MAX ||\
                 v == (type)PY_SSIZE_T_MAX)  &&\
          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\
                                v == (type)PY_SSIZE_T_MIN)))  ||\
    (sizeof(type) == sizeof(Py_ssize_t) &&\
          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\
                               v == (type)PY_SSIZE_T_MAX)))  )
#if defined (__cplusplus) && __cplusplus >= 201103L
    #include <cstdlib>
    #define __Pyx_sst_abs(value) std::abs(value)
#elif SIZEOF_INT >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) abs(value)
#elif SIZEOF_LONG >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) labs(value)
#elif defined (_MSC_VER) && defined (_M_X64)
    #define __Pyx_sst_abs(value) _abs64(value)
#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define __Pyx_sst_abs(value) llabs(value)
#elif defined (__GNUC__)
    #define __Pyx_sst_abs(value) __builtin_llabs(value)
#else
    #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
#endif
static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
#define __Pyx_PyBytes_FromString        PyBytes_FromString
#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
#if PY_MAJOR_VERSION < 3
    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#else
    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
#endif
#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
#define __Pyx_PyBytes_FromCString(s)   __Pyx_PyBytes_FromString((const char*)s)
#define __Pyx_PyByteArray_FromCString(s)   __Pyx_PyByteArray_FromString((const char*)s)
#define __Pyx_PyStr_FromCString(s)     __Pyx_PyStr_FromString((const char*)s)
#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
#if PY_MAJOR_VERSION < 3
static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
{
    const Py_UNICODE *u_end = u;
    while (*u_end++) ;
    return (size_t)(u_end - u - 1);
}
#else
#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
#endif
#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj)
#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None)
#define __Pyx_PyBool_FromLong(b) ((b) ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False))
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x);
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
#if CYTHON_ASSUME_SAFE_MACROS
#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
#else
#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
#endif
#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
#if PY_MAJOR_VERSION >= 3
#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x))
#else
#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x))
#endif
#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x))
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
static int __Pyx_sys_getdefaultencoding_not_ascii;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    PyObject* ascii_chars_u = NULL;
    PyObject* ascii_chars_b = NULL;
    const char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    if (strcmp(default_encoding_c, "ascii") == 0) {
        __Pyx_sys_getdefaultencoding_not_ascii = 0;
    } else {
        char ascii_chars[128];
        int c;
        for (c = 0; c < 128; c++) {
            ascii_chars[c] = c;
        }
        __Pyx_sys_getdefaultencoding_not_ascii = 1;
        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
        if (!ascii_chars_u) goto bad;
        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
        if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
            PyErr_Format(
                PyExc_ValueError,
                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
                default_encoding_c);
            goto bad;
        }
        Py_DECREF(ascii_chars_u);
        Py_DECREF(ascii_chars_b);
    }
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    Py_XDECREF(ascii_chars_u);
    Py_XDECREF(ascii_chars_b);
    return -1;
}
#endif
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
#else
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
static char* __PYX_DEFAULT_STRING_ENCODING;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
    if (!__PYX_DEFAULT_STRING_ENCODING) goto bad;
    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    return -1;
}
#endif
#endif


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

static PyObject *__pyx_m;
static PyObject *__pyx_d;
static PyObject *__pyx_b;
static PyObject *__pyx_empty_tuple;
static PyObject *__pyx_empty_bytes;
static PyObject *__pyx_empty_unicode;
static int __pyx_lineno;
static int __pyx_clineno = 0;
static const char * __pyx_cfilenm= __FILE__;
static const char *__pyx_filename;


static const char *__pyx_f[] = {
  "discodop/_fragments.pyx",
  "discodop/containers.pxd",
  "array.pxd",
  "type.pxd",
};
/* None.proto */
#if defined(__GNUC__)
#define __Pyx_PACKED __attribute__((__packed__))
#else
#define __Pyx_PACKED
#endif


/* "containers.pxd":11
 * 
 * # NB: For PCFG parsing sentences longer than 256 words, change this to uint16_t
 * ctypedef uint8_t Idx             # <<<<<<<<<<<<<<
 * 
 * 
 */
typedef uint8_t __pyx_t_8discodop_10containers_Idx;

/*--- Type declarations ---*/
#ifndef _ARRAYARRAY_H
struct arrayobject;
typedef struct arrayobject arrayobject;
#endif
struct __pyx_obj_8discodop_10containers_Grammar;
struct __pyx_obj_8discodop_10containers_Chart;
struct __pyx_obj_8discodop_10containers_LexicalRule;
struct __pyx_obj_8discodop_10containers_ChartItem;
struct __pyx_obj_8discodop_10containers_SmallChartItem;
struct __pyx_obj_8discodop_10containers_FatChartItem;
struct __pyx_obj_8discodop_10containers_Edges;
struct __pyx_obj_8discodop_10containers_RankedEdge;
struct __pyx_obj_8discodop_10containers_Ctrees;
struct __pyx_obj_8discodop_10containers_Vocabulary;
struct __pyx_obj_8discodop_10containers_FixedVocabulary;
struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct__repl;
struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_1_nonfrontier;
struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree;
struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr;
struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr;
struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr;
struct __pyx_t_8discodop_10containers_ProbRule;
union __pyx_t_8discodop_10containers_Position;
struct __pyx_t_8discodop_10containers_Edge;
struct __pyx_t_8discodop_10containers_EdgesStruct;
struct __pyx_t_8discodop_10containers_MoreEdges;
struct __pyx_t_8discodop_10containers_Node;
struct __pyx_t_8discodop_10containers_NodeArray;
struct __pyx_t_8discodop_10containers_Rule;
union __pyx_t_8discodop_10containers_ItemType;
struct __pyx_t_8discodop_10containers_DArray;

/* "containers.pxd":103
 * 
 * 
 * cdef struct ProbRule:  # total: 32 bytes.             # <<<<<<<<<<<<<<
 * 	double prob  # 8 bytes
 * 	uint32_t lhs  # 4 bytes
 */
struct __pyx_t_8discodop_10containers_ProbRule {
  double prob;
  uint32_t lhs;
  uint32_t rhs1;
  uint32_t rhs2;
  uint32_t args;
  uint32_t lengths;
  uint32_t no;
};

/* "containers.pxd":142
 * 
 * 
 * cdef union Position:  # 8 bytes             # <<<<<<<<<<<<<<
 * 	short mid  # CFG, end index of left child
 * 	uint64_t lvec  # LCFRS, bit vector of left child
 */
union __pyx_t_8discodop_10containers_Position {
  short mid;
  uint64_t lvec;
  uint64_t *lvec_fat;
};

/* "containers.pxd":149
 * 
 * 
 * cdef struct Edge:  # 16 bytes             # <<<<<<<<<<<<<<
 * 	ProbRule *rule  # ruleno may take less space than pointer, but not convenient
 * 	Position pos
 */
struct __pyx_t_8discodop_10containers_Edge {
  struct __pyx_t_8discodop_10containers_ProbRule *rule;
  union __pyx_t_8discodop_10containers_Position pos;
};

/* "containers.pxd":160
 * 
 * 
 * cdef struct EdgesStruct:             # <<<<<<<<<<<<<<
 * 	short len  # the number of edges in the head of the linked list
 * 	MoreEdges *head  # head of linked list
 */
struct __pyx_t_8discodop_10containers_EdgesStruct {
  short len;
  struct __pyx_t_8discodop_10containers_MoreEdges *head;
};

/* "containers.pxd":165
 * 
 * 
 * cdef struct MoreEdges:  # An unrolled linked list             # <<<<<<<<<<<<<<
 * 	MoreEdges *prev
 * 	Edge data[EDGES_SIZE]
 */
struct __pyx_t_8discodop_10containers_MoreEdges {
  struct __pyx_t_8discodop_10containers_MoreEdges *prev;
  struct __pyx_t_8discodop_10containers_Edge data[15];
};

/* "containers.pxd":220
 * # start fragments stuff
 * 
 * cdef struct Node:  # a node of a binary tree             # <<<<<<<<<<<<<<
 * 	int prod  # non-negative, ID of a phrasal or lexical production
 * 	short left  # >= 0: array idx to child Node; <0: idx sent[-left - 1];
 */
struct __pyx_t_8discodop_10containers_Node {
  int prod;
  short left;
  short right;
};

/* "containers.pxd":226
 * 
 * 
 * cdef struct NodeArray:  # a tree as an array of Node structs             # <<<<<<<<<<<<<<
 * 	unsigned int offset  # index to Node array where this tree starts
 * 	short len, root  # number of nodes, index to root node
 */
struct __pyx_t_8discodop_10containers_NodeArray {
  unsigned int offset;
  short len;
  short root;
};

/* "containers.pxd":246
 * 
 * 
 * cdef struct Rule:             # <<<<<<<<<<<<<<
 * 	uint32_t lhs, rhs1, rhs2, lengths, args
 * 
 */
struct __pyx_t_8discodop_10containers_Rule {
  uint32_t lhs;
  uint32_t rhs1;
  uint32_t rhs2;
  uint32_t lengths;
  uint32_t args;
};

/* "containers.pxd":250
 * 
 * 
 * cdef union ItemType:             # <<<<<<<<<<<<<<
 * 	void *ptr
 * 	char *aschar
 */
union __pyx_t_8discodop_10containers_ItemType {
  void *ptr;
  char *aschar;
  uint32_t *asint;
};

/* "containers.pxd":256
 * 
 * 
 * cdef struct DArray:             # <<<<<<<<<<<<<<
 * 	uint8_t itemsize
 * 	uint32_t len
 */
struct __pyx_t_8discodop_10containers_DArray {
  uint8_t itemsize;
  uint32_t len;
  uint32_t capacity;
  union __pyx_t_8discodop_10containers_ItemType d;
};
struct __pyx_t_8discodop_10_fragments_BitsetTail;
struct __pyx_opt_args_8discodop_10_fragments_extractfragments;
struct __pyx_opt_args_8discodop_10_fragments_exactcounts;
struct __pyx_opt_args_8discodop_10_fragments_exactcountsslice;
struct __pyx_opt_args_8discodop_10_fragments_completebitsets;

/* "discodop/_fragments.pyx":67
 * # it is set just once for a treebank to fit its largest tree.
 * # After SLOTS elements, this struct follows:
 * cdef packed struct BitsetTail:             # <<<<<<<<<<<<<<
 * 	uint32_t id  # tree no. of which this fragment was extracted
 * 	short root  # index of the root of the fragment in the NodeArray
 */
#if defined(__SUNPRO_C)
  #pragma pack(1)
#elif !defined(__GNUC__)
  #pragma pack(push, 1)
#endif
struct __Pyx_PACKED __pyx_t_8discodop_10_fragments_BitsetTail {
  uint32_t id;
  short root;
};
#if defined(__SUNPRO_C)
  #pragma pack()
#elif !defined(__GNUC__)
  #pragma pack(pop)
#endif

/* "discodop/_fragments.pyx":107
 * 
 * 
 * cpdef extractfragments(Ctrees trees1, int start1, int end1, Vocabulary vocab,             # <<<<<<<<<<<<<<
 * 		Ctrees trees2=None, int start2=0, int end2=0,
 * 		bint approx=True, bint debug=False,
 */
struct __pyx_opt_args_8discodop_10_fragments_extractfragments {
  int __pyx_n;
  struct __pyx_obj_8discodop_10containers_Ctrees *trees2;
  int start2;
  int end2;
  int approx;
  int debug;
  int disc;
  int complement;
  PyObject *twoterms;
  int adjacent;
};

/* "discodop/_fragments.pyx":332
 * 
 * 
 * cpdef exactcounts(Ctrees trees1, Ctrees trees2, list bitsets,             # <<<<<<<<<<<<<<
 * 		int indices=False, maxnodes=None):
 * 	"""Get exact counts or indices of occurrence for fragments.
 */
struct __pyx_opt_args_8discodop_10_fragments_exactcounts {
  int __pyx_n;
  int indices;
  PyObject *maxnodes;
};

/* "discodop/_fragments.pyx":417
 * 
 * 
 * cpdef exactcountsslice(Ctrees trees1, Ctrees trees2, list bitsets,             # <<<<<<<<<<<<<<
 * 		int indices=0, maxnodes=None, start=None, end=None, maxresults=None):
 * 	"""Get counts of fragments in a slice of the treebank.
 */
struct __pyx_opt_args_8discodop_10_fragments_exactcountsslice {
  int __pyx_n;
  int indices;
  PyObject *maxnodes;
  PyObject *start;
  PyObject *end;
  PyObject *maxresults;
};

/* "discodop/_fragments.pyx":584
 * 
 * 
 * cpdef completebitsets(Ctrees trees, Vocabulary vocab,             # <<<<<<<<<<<<<<
 * 		short maxnodes, bint disc=False, start=None, end=None, tostring=True):
 * 	"""Generate bitsets corresponding to whole trees in the input.
 */
struct __pyx_opt_args_8discodop_10_fragments_completebitsets {
  int __pyx_n;
  int disc;
  PyObject *start;
  PyObject *end;
  PyObject *tostring;
};

/* "containers.pxd":29
 * 
 * @cython.final
 * cdef class Grammar:             # <<<<<<<<<<<<<<
 * 	cdef ProbRule **bylhs
 * 	cdef ProbRule **unary
 */
struct __pyx_obj_8discodop_10containers_Grammar {
  PyObject_HEAD
  struct __pyx_vtabstruct_8discodop_10containers_Grammar *__pyx_vtab;
  struct __pyx_t_8discodop_10containers_ProbRule **bylhs;
  struct __pyx_t_8discodop_10containers_ProbRule **unary;
  struct __pyx_t_8discodop_10containers_ProbRule **lbinary;
  struct __pyx_t_8discodop_10containers_ProbRule **rbinary;
  uint32_t *mapping;
  uint32_t *revmap;
  uint32_t **splitmapping;
  uint8_t *fanout;
  uint64_t *chainvec;
  uint64_t *mask;
  int currentmodel;
  size_t nonterminals;
  size_t phrasalnonterminals;
  size_t numrules;
  size_t numunary;
  size_t numbinary;
  size_t maxfanout;
  int logprob;
  int bitpar;
  int binarized;
  PyObject *models;
  PyObject *origrules;
  PyObject *origlexicon;
  PyObject *start;
  PyObject *tolabel;
  PyObject *lexical;
  PyObject *modelnames;
  PyObject *rulemapping;
  PyObject *toid;
  PyObject *lexicalbyword;
  PyObject *lexicalbylhs;
  PyObject *lexicalbynum;
  PyObject *rulenos;
};


/* "containers.pxd":78
 * # 		to pack the parse forest?
 * # [ ] is it useful to have a recognition phase before making parse forest?
 * cdef class Chart:             # <<<<<<<<<<<<<<
 * 	cdef readonly dict rankededges  # [item][n] => DoubleEntry(RankedEdge, prob)
 * 	cdef object itemsinorder  # array or list
 */
struct __pyx_obj_8discodop_10containers_Chart {
  PyObject_HEAD
  struct __pyx_vtabstruct_8discodop_10containers_Chart *__pyx_vtab;
  PyObject *rankededges;
  PyObject *itemsinorder;
  PyObject *inside;
  PyObject *outside;
  struct __pyx_obj_8discodop_10containers_Grammar *grammar;
  PyObject *sent;
  short lensent;
  uint32_t start;
  int logprob;
  int viterbi;
};


/* "containers.pxd":114
 * 
 * @cython.final
 * cdef class LexicalRule:             # <<<<<<<<<<<<<<
 * 	cdef readonly double prob
 * 	cdef readonly uint32_t lhs
 */
struct __pyx_obj_8discodop_10containers_LexicalRule {
  PyObject_HEAD
  double prob;
  uint32_t lhs;
  PyObject *word;
};


/* "containers.pxd":121
 * 
 * @cython.freelist(1000)
 * cdef class ChartItem:             # <<<<<<<<<<<<<<
 * 	cdef uint32_t label
 * 	cdef double prob
 */
struct __pyx_obj_8discodop_10containers_ChartItem {
  PyObject_HEAD
  uint32_t label;
  double prob;
};


/* "containers.pxd":127
 * 
 * @cython.final
 * cdef class SmallChartItem(ChartItem):             # <<<<<<<<<<<<<<
 * 	cdef uint64_t vec
 * 	cdef copy(self)
 */
struct __pyx_obj_8discodop_10containers_SmallChartItem {
  struct __pyx_obj_8discodop_10containers_ChartItem __pyx_base;
  struct __pyx_vtabstruct_8discodop_10containers_SmallChartItem *__pyx_vtab;
  uint64_t vec;
};


/* "containers.pxd":133
 * 
 * @cython.final
 * cdef class FatChartItem(ChartItem):             # <<<<<<<<<<<<<<
 * 	cdef uint64_t vec[SLOTS]
 * 	cdef copy(self)
 */
struct __pyx_obj_8discodop_10containers_FatChartItem {
  struct __pyx_obj_8discodop_10containers_ChartItem __pyx_base;
  struct __pyx_vtabstruct_8discodop_10containers_FatChartItem *__pyx_vtab;
  uint64_t vec[4];
};


/* "containers.pxd":155
 * 
 * @cython.final
 * cdef class Edges:             # <<<<<<<<<<<<<<
 * 	cdef short len  # the number of edges in the head of the linked list
 * 	cdef MoreEdges *head  # head of linked list
 */
struct __pyx_obj_8discodop_10containers_Edges {
  PyObject_HEAD
  short len;
  struct __pyx_t_8discodop_10containers_MoreEdges *head;
};


/* "containers.pxd":173
 * 
 * @cython.final
 * cdef class RankedEdge:             # <<<<<<<<<<<<<<
 * 	# NB: 'head' is unnecessary because the head will also be the dictionary
 * 	# key for a ranked edge, but having it as part of the object is convenient.
 */
struct __pyx_obj_8discodop_10containers_RankedEdge {
  PyObject_HEAD
  struct __pyx_t_8discodop_10containers_Edge *edge;
  PyObject *head;
  int left;
  int right;
};


/* "containers.pxd":232
 * 
 * @cython.final
 * cdef class Ctrees:             # <<<<<<<<<<<<<<
 * 	cdef Node *nodes
 * 	cdef NodeArray *trees
 */
struct __pyx_obj_8discodop_10containers_Ctrees {
  PyObject_HEAD
  struct __pyx_vtabstruct_8discodop_10containers_Ctrees *__pyx_vtab;
  struct __pyx_t_8discodop_10containers_Node *nodes;
  struct __pyx_t_8discodop_10containers_NodeArray *trees;
  long nodesleft;
  long max;
  size_t numnodes;
  size_t numwords;
  short maxnodes;
  int len;
  PyObject *prodindex;
  PyObject *_state;
};


/* "containers.pxd":263
 * 
 * 
 * cdef class Vocabulary:             # <<<<<<<<<<<<<<
 * 	cdef readonly dict prods  # production str. => int
 * 	cdef readonly dict labels  # label/word str => int
 */
struct __pyx_obj_8discodop_10containers_Vocabulary {
  PyObject_HEAD
  struct __pyx_vtabstruct_8discodop_10containers_Vocabulary *__pyx_vtab;
  PyObject *prods;
  PyObject *labels;
  struct __pyx_t_8discodop_10containers_DArray prodbuf;
  struct __pyx_t_8discodop_10containers_DArray labelbuf;
  struct __pyx_t_8discodop_10containers_DArray labelidx;
};


/* "containers.pxd":280
 * 
 * 
 * cdef class FixedVocabulary(Vocabulary):             # <<<<<<<<<<<<<<
 * 	cdef object state  # to keep buffer alive
 * 
 */
struct __pyx_obj_8discodop_10containers_FixedVocabulary {
  struct __pyx_obj_8discodop_10containers_Vocabulary __pyx_base;
  PyObject *state;
};


/* "discodop/_fragments.pyx":944
 * 
 * 
 * def repl(d):             # <<<<<<<<<<<<<<
 * 	"""A function for use with re.sub that looks up numeric IDs in a dict.
 * 	"""
 */
struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct__repl {
  PyObject_HEAD
  PyObject *__pyx_v_d;
};


/* "discodop/_fragments.pyx":952
 * 
 * 
 * def nonfrontier(sent):             # <<<<<<<<<<<<<<
 * 	def nonfrontierfun(x):
 * 		return isinstance(x[0], Tree) or sent[x[0]] is not None
 */
struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_1_nonfrontier {
  PyObject_HEAD
  PyObject *__pyx_v_sent;
};


/* "discodop/_fragments.pyx":958
 * 
 * 
 * cdef int readtree(             # <<<<<<<<<<<<<<
 * 		str line, Vocabulary vocab, Node *nodes, array stack,
 * 		array labels, list children) except -9:
 */
struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree {
  PyObject_HEAD
  PyObject *__pyx_v_binlabels;
  short __pyx_v_m;
  struct __pyx_obj_8discodop_10containers_Vocabulary *__pyx_v_vocab;
};


/* "discodop/_fragments.pyx":1052
 * 							vocab.idtolabel(labels.data.as_ints[parent]),
 * 							vocab.idtolabel(binlabels[0]),
 * 							','.join(vocab.idtolabel(x)             # <<<<<<<<<<<<<<
 * 								for x in binlabels[1:])))
 * 					nodes[parent].right = idx
 */
struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr {
  PyObject_HEAD
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  PyObject *__pyx_v_x;
};


/* "discodop/_fragments.pyx":1072
 * 									vocab.idtolabel(
 * 										labels.data.as_ints[parent]),
 * 									','.join(vocab.idtolabel(x)             # <<<<<<<<<<<<<<
 * 										for x in binlabels[:m + 1]),
 * 									','.join(vocab.idtolabel(x)
 */
struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr {
  PyObject_HEAD
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  PyObject *__pyx_v_x;
};


/* "discodop/_fragments.pyx":1074
 * 									','.join(vocab.idtolabel(x)
 * 										for x in binlabels[:m + 1]),
 * 									','.join(vocab.idtolabel(x)             # <<<<<<<<<<<<<<
 * 										for x in binlabels[m + 1:])))
 * 						nodes[parent].prod = vocab._getprodid(prod)
 */
struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr {
  PyObject_HEAD
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};



/* "containers.pxd":29
 * 
 * @cython.final
 * cdef class Grammar:             # <<<<<<<<<<<<<<
 * 	cdef ProbRule **bylhs
 * 	cdef ProbRule **unary
 */

struct __pyx_vtabstruct_8discodop_10containers_Grammar {
  PyObject *(*_convertrules)(struct __pyx_obj_8discodop_10containers_Grammar *, PyObject *, PyObject *);
  PyObject *(*_indexrules)(struct __pyx_obj_8discodop_10containers_Grammar *, struct __pyx_t_8discodop_10containers_ProbRule **, int, int);
  PyObject *(*rulestr)(struct __pyx_obj_8discodop_10containers_Grammar *, int, int __pyx_skip_dispatch);
  PyObject *(*yfstr)(struct __pyx_obj_8discodop_10containers_Grammar *, struct __pyx_t_8discodop_10containers_ProbRule);
};
static struct __pyx_vtabstruct_8discodop_10containers_Grammar *__pyx_vtabptr_8discodop_10containers_Grammar;


/* "containers.pxd":78
 * # 		to pack the parse forest?
 * # [ ] is it useful to have a recognition phase before making parse forest?
 * cdef class Chart:             # <<<<<<<<<<<<<<
 * 	cdef readonly dict rankededges  # [item][n] => DoubleEntry(RankedEdge, prob)
 * 	cdef object itemsinorder  # array or list
 */

struct __pyx_vtabstruct_8discodop_10containers_Chart {
  double (*subtreeprob)(struct __pyx_obj_8discodop_10containers_Chart *, PyObject *);
  int (*lexidx)(struct __pyx_obj_8discodop_10containers_Chart *, struct __pyx_t_8discodop_10containers_Edge *);
  double (*lexprob)(struct __pyx_obj_8discodop_10containers_Chart *, PyObject *, struct __pyx_t_8discodop_10containers_Edge *);
  PyObject *(*edgestr)(struct __pyx_obj_8discodop_10containers_Chart *, PyObject *, struct __pyx_t_8discodop_10containers_Edge *);
  PyObject *(*_left)(struct __pyx_obj_8discodop_10containers_Chart *, PyObject *, struct __pyx_t_8discodop_10containers_Edge *);
  PyObject *(*_right)(struct __pyx_obj_8discodop_10containers_Chart *, PyObject *, struct __pyx_t_8discodop_10containers_Edge *);
  PyObject *(*left)(struct __pyx_obj_8discodop_10containers_Chart *, struct __pyx_obj_8discodop_10containers_RankedEdge *);
  PyObject *(*right)(struct __pyx_obj_8discodop_10containers_Chart *, struct __pyx_obj_8discodop_10containers_RankedEdge *);
  PyObject *(*copy)(struct __pyx_obj_8discodop_10containers_Chart *, PyObject *);
  uint32_t (*label)(struct __pyx_obj_8discodop_10containers_Chart *, PyObject *);
  struct __pyx_obj_8discodop_10containers_ChartItem *(*asChartItem)(struct __pyx_obj_8discodop_10containers_Chart *, PyObject *);
  size_t (*asCFGspan)(struct __pyx_obj_8discodop_10containers_Chart *, PyObject *, size_t);
  struct __pyx_obj_8discodop_10containers_Edges *(*getedges)(struct __pyx_obj_8discodop_10containers_Chart *, PyObject *);
};
static struct __pyx_vtabstruct_8discodop_10containers_Chart *__pyx_vtabptr_8discodop_10containers_Chart;


/* "containers.pxd":127
 * 
 * @cython.final
 * cdef class SmallChartItem(ChartItem):             # <<<<<<<<<<<<<<
 * 	cdef uint64_t vec
 * 	cdef copy(self)
 */

struct __pyx_vtabstruct_8discodop_10containers_SmallChartItem {
  PyObject *(*copy)(struct __pyx_obj_8discodop_10containers_SmallChartItem *);
};
static struct __pyx_vtabstruct_8discodop_10containers_SmallChartItem *__pyx_vtabptr_8discodop_10containers_SmallChartItem;


/* "containers.pxd":133
 * 
 * @cython.final
 * cdef class FatChartItem(ChartItem):             # <<<<<<<<<<<<<<
 * 	cdef uint64_t vec[SLOTS]
 * 	cdef copy(self)
 */

struct __pyx_vtabstruct_8discodop_10containers_FatChartItem {
  PyObject *(*copy)(struct __pyx_obj_8discodop_10containers_FatChartItem *);
};
static struct __pyx_vtabstruct_8discodop_10containers_FatChartItem *__pyx_vtabptr_8discodop_10containers_FatChartItem;


/* "containers.pxd":232
 * 
 * @cython.final
 * cdef class Ctrees:             # <<<<<<<<<<<<<<
 * 	cdef Node *nodes
 * 	cdef NodeArray *trees
 */

struct __pyx_vtabstruct_8discodop_10containers_Ctrees {
  PyObject *(*alloc)(struct __pyx_obj_8discodop_10containers_Ctrees *, int, long, int __pyx_skip_dispatch);
  PyObject *(*realloc)(struct __pyx_obj_8discodop_10containers_Ctrees *, int, int);
  PyObject *(*addnodes)(struct __pyx_obj_8discodop_10containers_Ctrees *, struct __pyx_t_8discodop_10containers_Node *, int, int);
};
static struct __pyx_vtabstruct_8discodop_10containers_Ctrees *__pyx_vtabptr_8discodop_10containers_Ctrees;


/* "containers.pxd":263
 * 
 * 
 * cdef class Vocabulary:             # <<<<<<<<<<<<<<
 * 	cdef readonly dict prods  # production str. => int
 * 	cdef readonly dict labels  # label/word str => int
 */

struct __pyx_vtabstruct_8discodop_10containers_Vocabulary {
  PyObject *(*idtolabel)(struct __pyx_obj_8discodop_10containers_Vocabulary *, uint32_t);
  PyObject *(*getlabel)(struct __pyx_obj_8discodop_10containers_Vocabulary *, int);
  PyObject *(*getword)(struct __pyx_obj_8discodop_10containers_Vocabulary *, int);
  int (*islexical)(struct __pyx_obj_8discodop_10containers_Vocabulary *, int);
  int (*getprod)(struct __pyx_obj_8discodop_10containers_Vocabulary *, PyObject *, PyObject *);
  int (*_getprodid)(struct __pyx_obj_8discodop_10containers_Vocabulary *, PyObject *);
  int (*_getlabelid)(struct __pyx_obj_8discodop_10containers_Vocabulary *, PyObject *);
};
static struct __pyx_vtabstruct_8discodop_10containers_Vocabulary *__pyx_vtabptr_8discodop_10containers_Vocabulary;


/* "containers.pxd":280
 * 
 * 
 * cdef class FixedVocabulary(Vocabulary):             # <<<<<<<<<<<<<<
 * 	cdef object state  # to keep buffer alive
 * 
 */

struct __pyx_vtabstruct_8discodop_10containers_FixedVocabulary {
  struct __pyx_vtabstruct_8discodop_10containers_Vocabulary __pyx_base;
};
static struct __pyx_vtabstruct_8discodop_10containers_FixedVocabulary *__pyx_vtabptr_8discodop_10containers_FixedVocabulary;

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        Py_SIZE(list) = len+1;
        return 0;
    }
    return PyList_Append(list, x);
}
#else
#define __Pyx_ListComp_Append(L,x) PyList_Append(L,x)
#endif

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

/* RaiseTooManyValuesToUnpack.proto */
static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);

/* RaiseNeedMoreValuesToUnpack.proto */
static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);

/* IterFinish.proto */
static CYTHON_INLINE int __Pyx_IterFinish(void);

/* UnpackItemEndCheck.proto */
static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected);

/* ListAppend.proto */
#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
    PyListObject* L = (PyListObject*) list;
    Py_ssize_t len = Py_SIZE(list);
    if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) {
        Py_INCREF(x);
        PyList_SET_ITEM(list, len, x);
        Py_SIZE(list) = len+1;
        return 0;
    }
    return PyList_Append(list, x);
}
#else
#define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
#endif

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

/* append.proto */
static CYTHON_INLINE int __Pyx_PyObject_Append(PyObject* L, PyObject* x);

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

/* PyUnicode_Substring.proto */
static CYTHON_INLINE PyObject* __Pyx_PyUnicode_Substring(
            PyObject* text, Py_ssize_t start, Py_ssize_t stop);

/* None.proto */
static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname);

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

/* CythonFunction.proto */
#define __Pyx_CyFunction_USED 1
#include <structmember.h>
#define __Pyx_CYFUNCTION_STATICMETHOD  0x01
#define __Pyx_CYFUNCTION_CLASSMETHOD   0x02
#define __Pyx_CYFUNCTION_CCLASS        0x04
#define __Pyx_CyFunction_GetClosure(f)\
    (((__pyx_CyFunctionObject *) (f))->func_closure)
#define __Pyx_CyFunction_GetClassObj(f)\
    (((__pyx_CyFunctionObject *) (f))->func_classobj)
#define __Pyx_CyFunction_Defaults(type, f)\
    ((type *)(((__pyx_CyFunctionObject *) (f))->defaults))
#define __Pyx_CyFunction_SetDefaultsGetter(f, g)\
    ((__pyx_CyFunctionObject *) (f))->defaults_getter = (g)
typedef struct {
    PyCFunctionObject func;
#if PY_VERSION_HEX < 0x030500A0
    PyObject *func_weakreflist;
#endif
    PyObject *func_dict;
    PyObject *func_name;
    PyObject *func_qualname;
    PyObject *func_doc;
    PyObject *func_globals;
    PyObject *func_code;
    PyObject *func_closure;
    PyObject *func_classobj;
    void *defaults;
    int defaults_pyobjects;
    int flags;
    PyObject *defaults_tuple;
    PyObject *defaults_kwdict;
    PyObject *(*defaults_getter)(PyObject *);
    PyObject *func_annotations;
} __pyx_CyFunctionObject;
static PyTypeObject *__pyx_CyFunctionType = 0;
#define __Pyx_CyFunction_NewEx(ml, flags, qualname, self, module, globals, code)\
    __Pyx_CyFunction_New(__pyx_CyFunctionType, ml, flags, qualname, self, module, globals, code)
static PyObject *__Pyx_CyFunction_New(PyTypeObject *, PyMethodDef *ml,
                                      int flags, PyObject* qualname,
                                      PyObject *self,
                                      PyObject *module, PyObject *globals,
                                      PyObject* code);
static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *m,
                                                         size_t size,
                                                         int pyobjects);
static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *m,
                                                            PyObject *tuple);
static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *m,
                                                             PyObject *dict);
static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *m,
                                                              PyObject *dict);
static int __pyx_CyFunction_init(void);

/* SliceTupleAndList.proto */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyList_GetSlice(PyObject* src, Py_ssize_t start, Py_ssize_t stop);
static CYTHON_INLINE PyObject* __Pyx_PyTuple_GetSlice(PyObject* src, Py_ssize_t start, Py_ssize_t stop);
#else
#define __Pyx_PyList_GetSlice(seq, start, stop)   PySequence_GetSlice(seq, start, stop)
#define __Pyx_PyTuple_GetSlice(seq, start, stop)  PySequence_GetSlice(seq, start, stop)
#endif

/* GetItemIntUnicode.proto */
#define __Pyx_GetItemInt_Unicode(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
    __Pyx_GetItemInt_Unicode_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\
    (PyErr_SetString(PyExc_IndexError, "string index out of range"), (Py_UCS4)-1))
static CYTHON_INLINE Py_UCS4 __Pyx_GetItemInt_Unicode_Fast(PyObject* ustring, Py_ssize_t i,
                                                           int wraparound, int boundscheck);

/* PyObjectCallMethod0.proto */
static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name);

/* pop.proto */
static CYTHON_INLINE PyObject* __Pyx__PyObject_Pop(PyObject* L);
#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
static CYTHON_INLINE PyObject* __Pyx_PyList_Pop(PyObject* L);
#define __Pyx_PyObject_Pop(L) (likely(PyList_CheckExact(L)) ?\
    __Pyx_PyList_Pop(L) : __Pyx__PyObject_Pop(L))
#else
#define __Pyx_PyList_Pop(L)  __Pyx__PyObject_Pop(L)
#define __Pyx_PyObject_Pop(L)  __Pyx__PyObject_Pop(L)
#endif

/* UnpackUnboundCMethod.proto */
typedef struct {
    PyObject *type;
    PyObject **method_name;
    PyCFunction func;
    PyObject *method;
    int flag;
} __Pyx_CachedCFunction;

/* CallUnboundCMethod0.proto */
static PyObject* __Pyx__CallUnboundCMethod0(__Pyx_CachedCFunction* cfunc, PyObject* self);
#if CYTHON_COMPILING_IN_CPYTHON
#define __Pyx_CallUnboundCMethod0(cfunc, self)\
    ((likely((cfunc)->func)) ?\
        (likely((cfunc)->flag == METH_NOARGS) ?  (*((cfunc)->func))(self, NULL) :\
         (likely((cfunc)->flag == (METH_VARARGS | METH_KEYWORDS)) ?  ((*(PyCFunctionWithKeywords)(cfunc)->func)(self, __pyx_empty_tuple, NULL)) :\
             ((cfunc)->flag == METH_VARARGS ?  (*((cfunc)->func))(self, __pyx_empty_tuple) :\
              (PY_VERSION_HEX >= 0x030600B1 && (cfunc)->flag == METH_FASTCALL ?  (*(__Pyx_PyCFunctionFast)(cfunc)->func)(self, &PyTuple_GET_ITEM(__pyx_empty_tuple, 0), 0, NULL) :\
                __Pyx__CallUnboundCMethod0(cfunc, self))))) :\
        __Pyx__CallUnboundCMethod0(cfunc, self))
#else
#define __Pyx_CallUnboundCMethod0(cfunc, self)  __Pyx__CallUnboundCMethod0(cfunc, self)
#endif

/* PyIntBinop.proto */
#if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyInt_SubtractObjC(PyObject *op1, PyObject *op2, long intval, int inplace);
#else
#define __Pyx_PyInt_SubtractObjC(op1, op2, intval, inplace)\
    (inplace ? PyNumber_InPlaceSubtract(op1, op2) : PyNumber_Subtract(op1, op2))
#endif

/* PyIntBinop.proto */
#if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyInt_EqObjC(PyObject *op1, PyObject *op2, long intval, int inplace);
#else
#define __Pyx_PyInt_EqObjC(op1, op2, intval, inplace)\
    PyObject_RichCompare(op1, op2, Py_EQ)
    #endif

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

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

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

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

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

/* tp_new.proto */
#define __Pyx_tp_new(type_obj, args) __Pyx_tp_new_kwargs(type_obj, args, NULL)
static CYTHON_INLINE PyObject* __Pyx_tp_new_kwargs(PyObject* type_obj, PyObject* args, PyObject* kwargs) {
    return (PyObject*) (((PyTypeObject*)type_obj)->tp_new((PyTypeObject*)type_obj, args, kwargs));
}

/* PyFloatBinop.proto */
#if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyFloat_AddCObj(PyObject *op1, PyObject *op2, double floatval, int inplace);
#else
#define __Pyx_PyFloat_AddCObj(op1, op2, floatval, inplace)\
    (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2))
#endif

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

/* CodeObjectCache.proto */
typedef struct {
    PyCodeObject* code_object;
    int code_line;
} __Pyx_CodeObjectCacheEntry;
struct __Pyx_CodeObjectCache {
    int count;
    int max_count;
    __Pyx_CodeObjectCacheEntry* entries;
};
static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
static PyCodeObject *__pyx_find_code_object(int code_line);
static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);

/* AddTraceback.proto */
static void __Pyx_AddTraceback(const char *funcname, int c_line,
                               int py_line, const char *filename);

/* ArrayAPI.proto */
#ifndef _ARRAYARRAY_H
#define _ARRAYARRAY_H
typedef struct arraydescr {
    int typecode;
    int itemsize;
    PyObject * (*getitem)(struct arrayobject *, Py_ssize_t);
    int (*setitem)(struct arrayobject *, Py_ssize_t, PyObject *);
#if PY_MAJOR_VERSION >= 3
    char *formats;
#endif
} arraydescr;
struct arrayobject {
    PyObject_HEAD
    Py_ssize_t ob_size;
    union {
        char *ob_item;
        float *as_floats;
        double *as_doubles;
        int *as_ints;
        unsigned int *as_uints;
        unsigned char *as_uchars;
        signed char *as_schars;
        char *as_chars;
        unsigned long *as_ulongs;
        long *as_longs;
        short *as_shorts;
        unsigned short *as_ushorts;
        Py_UNICODE *as_pyunicodes;
        void *as_voidptr;
    } data;
    Py_ssize_t allocated;
    struct arraydescr *ob_descr;
    PyObject *weakreflist;
#if PY_MAJOR_VERSION >= 3
        int ob_exports;
#endif
};
#ifndef NO_NEWARRAY_INLINE
static CYTHON_INLINE PyObject * newarrayobject(PyTypeObject *type, Py_ssize_t size,
    struct arraydescr *descr) {
    arrayobject *op;
    size_t nbytes;
    if (size < 0) {
        PyErr_BadInternalCall();
        return NULL;
    }
    nbytes = size * descr->itemsize;
    if (nbytes / descr->itemsize != (size_t)size) {
        return PyErr_NoMemory();
    }
    op = (arrayobject *) type->tp_alloc(type, 0);
    if (op == NULL) {
        return NULL;
    }
    op->ob_descr = descr;
    op->allocated = size;
    op->weakreflist = NULL;
    op->ob_size = size;
    if (size <= 0) {
        op->data.ob_item = NULL;
    }
    else {
        op->data.ob_item = PyMem_NEW(char, nbytes);
        if (op->data.ob_item == NULL) {
            Py_DECREF(op);
            return PyErr_NoMemory();
        }
    }
    return (PyObject *) op;
}
#else
PyObject* newarrayobject(PyTypeObject *type, Py_ssize_t size,
    struct arraydescr *descr);
#endif
static CYTHON_INLINE int resize(arrayobject *self, Py_ssize_t n) {
    void *items = (void*) self->data.ob_item;
    PyMem_Resize(items, char, (size_t)(n * self->ob_descr->itemsize));
    if (items == NULL) {
        PyErr_NoMemory();
        return -1;
    }
    self->data.ob_item = (char*) items;
    self->ob_size = n;
    self->allocated = n;
    return 0;
}
static CYTHON_INLINE int resize_smart(arrayobject *self, Py_ssize_t n) {
    void *items = (void*) self->data.ob_item;
    Py_ssize_t newsize;
    if (n < self->allocated && n*4 > self->allocated) {
        self->ob_size = n;
        return 0;
    }
    newsize = n + (n / 2) + 1;
    if (newsize <= n) {
        PyErr_NoMemory();
        return -1;
    }
    PyMem_Resize(items, char, (size_t)(newsize * self->ob_descr->itemsize));
    if (items == NULL) {
        PyErr_NoMemory();
        return -1;
    }
    self->data.ob_item = (char*) items;
    self->ob_size = n;
    self->allocated = newsize;
    return 0;
}
#endif

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

/* CIntToPy.proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint32_t(uint32_t value);

/* CIntToPy.proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_short(short value);

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

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

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

/* PyUCS4InUnicode.proto */
static CYTHON_INLINE int __Pyx_UnicodeContainsUCS4(PyObject* unicode, Py_UCS4 character);
static CYTHON_INLINE int __Pyx_PyUnicodeBufferContainsUCS4(Py_UNICODE* buffer, Py_ssize_t length, Py_UCS4 character);

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

/* CIntFromPy.proto */
static CYTHON_INLINE short __Pyx_PyInt_As_short(PyObject *);

/* CIntFromPy.proto */
static CYTHON_INLINE uint32_t __Pyx_PyInt_As_uint32_t(PyObject *);

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

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

/* SwapException.proto */
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_ExceptionSwap(type, value, tb)  __Pyx__ExceptionSwap(__pyx_tstate, type, value, tb)
static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
#else
static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb);
#endif

/* CoroutineBase.proto */
typedef PyObject *(*__pyx_coroutine_body_t)(PyObject *, PyObject *);
typedef struct {
    PyObject_HEAD
    __pyx_coroutine_body_t body;
    PyObject *closure;
    PyObject *exc_type;
    PyObject *exc_value;
    PyObject *exc_traceback;
    PyObject *gi_weakreflist;
    PyObject *classobj;
    PyObject *yieldfrom;
    PyObject *gi_name;
    PyObject *gi_qualname;
    PyObject *gi_modulename;
    int resume_label;
    char is_running;
} __pyx_CoroutineObject;
static __pyx_CoroutineObject *__Pyx__Coroutine_New(
    PyTypeObject *type, __pyx_coroutine_body_t body, PyObject *closure,
    PyObject *name, PyObject *qualname, PyObject *module_name);
static int __Pyx_Coroutine_clear(PyObject *self);
#if 1 || PY_VERSION_HEX < 0x030300B0
static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue);
#else
#define __Pyx_PyGen_FetchStopIterationValue(pvalue) PyGen_FetchStopIterationValue(pvalue)
#endif

/* PatchModuleWithCoroutine.proto */
static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code);

/* PatchGeneratorABC.proto */
static int __Pyx_patch_abc(void);

/* Generator.proto */
#define __Pyx_Generator_USED
static PyTypeObject *__pyx_GeneratorType = 0;
#define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType)
#define __Pyx_Generator_New(body, closure, name, qualname, module_name)\
    __Pyx__Coroutine_New(__pyx_GeneratorType, body, closure, name, qualname, module_name)
static PyObject *__Pyx_Generator_Next(PyObject *self);
static int __pyx_Generator_init(void);

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

/* PyIdentifierFromString.proto */
#if !defined(__Pyx_PyIdentifier_FromString)
#if PY_MAJOR_VERSION < 3
  #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
#else
  #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
#endif
#endif

/* ModuleImport.proto */
static PyObject *__Pyx_ImportModule(const char *name);

/* TypeImport.proto */
static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict);

/* VoidPtrImport.proto */
static int __Pyx_ImportVoidPtr(PyObject *module, const char *name, void **p, const char *sig);

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


/* Module declarations from 'cython' */

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

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

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

/* 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.exc' */

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

/* Module declarations from 'array' */

/* Module declarations from 'cpython.array' */
static PyTypeObject *__pyx_ptype_7cpython_5array_array = 0;
static CYTHON_INLINE arrayobject *__pyx_f_7cpython_5array_clone(arrayobject *, Py_ssize_t, int); /*proto*/
static CYTHON_INLINE int __pyx_f_7cpython_5array_extend_buffer(arrayobject *, char *, Py_ssize_t); /*proto*/

/* Module declarations from 'discodop.containers' */
static PyTypeObject *__pyx_ptype_8discodop_10containers_Grammar = 0;
static PyTypeObject *__pyx_ptype_8discodop_10containers_Chart = 0;
static PyTypeObject *__pyx_ptype_8discodop_10containers_LexicalRule = 0;
static PyTypeObject *__pyx_ptype_8discodop_10containers_ChartItem = 0;
static PyTypeObject *__pyx_ptype_8discodop_10containers_SmallChartItem = 0;
static PyTypeObject *__pyx_ptype_8discodop_10containers_FatChartItem = 0;
static PyTypeObject *__pyx_ptype_8discodop_10containers_Edges = 0;
static PyTypeObject *__pyx_ptype_8discodop_10containers_RankedEdge = 0;
static PyTypeObject *__pyx_ptype_8discodop_10containers_Ctrees = 0;
static PyTypeObject *__pyx_ptype_8discodop_10containers_Vocabulary = 0;
static PyTypeObject *__pyx_ptype_8discodop_10containers_FixedVocabulary = 0;
static PyObject **__pyx_vp_8discodop_10containers_log1e200 = 0;
#define __pyx_v_8discodop_10containers_log1e200 (*__pyx_vp_8discodop_10containers_log1e200)
static CYTHON_INLINE PyObject *__pyx_f_8discodop_10containers_yieldranges(PyObject *); /*proto*/
static CYTHON_INLINE short __pyx_f_8discodop_10containers_termidx(short); /*proto*/

/* Module declarations from 'discodop.bit' */
static CYTHON_INLINE int __pyx_f_8discodop_3bit_abitcount(uint64_t *, int); /*proto*/
static CYTHON_INLINE int __pyx_f_8discodop_3bit_iteratesetbits(uint64_t *, int, uint64_t *, int *); /*proto*/
static CYTHON_INLINE void __pyx_f_8discodop_3bit_setunioninplace(uint64_t *, uint64_t *, int); /*proto*/
static CYTHON_INLINE int __pyx_f_8discodop_3bit_subset(uint64_t *, uint64_t *, int); /*proto*/

/* Module declarations from 'discodop._fragments' */
static PyTypeObject *__pyx_ptype_8discodop_10_fragments___pyx_scope_struct__repl = 0;
static PyTypeObject *__pyx_ptype_8discodop_10_fragments___pyx_scope_struct_1_nonfrontier = 0;
static PyTypeObject *__pyx_ptype_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree = 0;
static PyTypeObject *__pyx_ptype_8discodop_10_fragments___pyx_scope_struct_3_genexpr = 0;
static PyTypeObject *__pyx_ptype_8discodop_10_fragments___pyx_scope_struct_4_genexpr = 0;
static PyTypeObject *__pyx_ptype_8discodop_10_fragments___pyx_scope_struct_5_genexpr = 0;
static arrayobject *__pyx_v_8discodop_10_fragments_ulongarray = 0;
static arrayobject *__pyx_v_8discodop_10_fragments_uintarray = 0;
static arrayobject *__pyx_v_8discodop_10_fragments_intarray = 0;
static arrayobject *__pyx_v_8discodop_10_fragments_shortarray = 0;
static CYTHON_INLINE PyObject *__pyx_f_8discodop_10_fragments_wrap(uint64_t *, short); /*proto*/
static CYTHON_INLINE uint64_t *__pyx_f_8discodop_10_fragments_getpointer(PyObject *); /*proto*/
static CYTHON_INLINE uint32_t __pyx_f_8discodop_10_fragments_getid(uint64_t *, short); /*proto*/
static CYTHON_INLINE short __pyx_f_8discodop_10_fragments_getroot(uint64_t *, short); /*proto*/
static CYTHON_INLINE void __pyx_f_8discodop_10_fragments_setrootid(uint64_t *, short, uint32_t, short); /*proto*/
static PyObject *__pyx_f_8discodop_10_fragments_extractfragments(struct __pyx_obj_8discodop_10containers_Ctrees *, int, int, struct __pyx_obj_8discodop_10containers_Vocabulary *, int __pyx_skip_dispatch, struct __pyx_opt_args_8discodop_10_fragments_extractfragments *__pyx_optional_args); /*proto*/
static CYTHON_INLINE PyObject *__pyx_f_8discodop_10_fragments_extractfrompair(struct __pyx_t_8discodop_10containers_NodeArray, struct __pyx_t_8discodop_10containers_Node *, struct __pyx_obj_8discodop_10containers_Ctrees *, int, int, int, int, struct __pyx_obj_8discodop_10containers_Vocabulary *, PyObject *, short, uint64_t *, uint64_t *, short); /*proto*/
static CYTHON_INLINE PyObject *__pyx_f_8discodop_10_fragments_collectfragments(PyObject *, PyObject *, struct __pyx_t_8discodop_10containers_Node *, PyObject *, struct __pyx_obj_8discodop_10containers_Vocabulary *, int, int, int, PyObject *, short); /*proto*/
static CYTHON_INLINE void __pyx_f_8discodop_10_fragments_fasttreekernel(struct __pyx_t_8discodop_10containers_Node *, struct __pyx_t_8discodop_10containers_Node *, int, int, uint64_t *, short); /*proto*/
static CYTHON_INLINE PyObject *__pyx_f_8discodop_10_fragments_extractbitsets(uint64_t *, struct __pyx_t_8discodop_10containers_Node *, struct __pyx_t_8discodop_10containers_Node *, short, int, PyObject *, int, uint64_t *, short); /*proto*/
static CYTHON_INLINE int __pyx_f_8discodop_10_fragments_extractat(uint64_t *, uint64_t *, struct __pyx_t_8discodop_10containers_Node *, struct __pyx_t_8discodop_10containers_Node *, short, short, short); /*proto*/
static PyObject *__pyx_f_8discodop_10_fragments_exactcounts(struct __pyx_obj_8discodop_10containers_Ctrees *, struct __pyx_obj_8discodop_10containers_Ctrees *, PyObject *, int __pyx_skip_dispatch, struct __pyx_opt_args_8discodop_10_fragments_exactcounts *__pyx_optional_args); /*proto*/
static PyObject *__pyx_f_8discodop_10_fragments_exactcountsslice(struct __pyx_obj_8discodop_10containers_Ctrees *, struct __pyx_obj_8discodop_10containers_Ctrees *, PyObject *, int __pyx_skip_dispatch, struct __pyx_opt_args_8discodop_10_fragments_exactcountsslice *__pyx_optional_args); /*proto*/
static int __pyx_f_8discodop_10_fragments_countbitset(uint64_t *, struct __pyx_t_8discodop_10containers_Node *, int, int, uint32_t *, int, int, struct __pyx_t_8discodop_10containers_NodeArray *, struct __pyx_t_8discodop_10containers_Node *, size_t, size_t *, size_t *, uint32_t *, uint32_t **, short **); /*proto*/
static PyObject *__pyx_f_8discodop_10_fragments_getcandidates(struct __pyx_t_8discodop_10containers_Node *, uint64_t *, struct __pyx_obj_8discodop_10containers_Ctrees *, short, int, int, short); /*proto*/
static CYTHON_INLINE int __pyx_f_8discodop_10_fragments_containsbitset(struct __pyx_t_8discodop_10containers_Node *, struct __pyx_t_8discodop_10containers_Node *, uint64_t *, short, short); /*proto*/
static PyObject *__pyx_f_8discodop_10_fragments_completebitsets(struct __pyx_obj_8discodop_10containers_Ctrees *, struct __pyx_obj_8discodop_10containers_Vocabulary *, short, int __pyx_skip_dispatch, struct __pyx_opt_args_8discodop_10_fragments_completebitsets *__pyx_optional_args); /*proto*/
static PyObject *__pyx_f_8discodop_10_fragments_twoterminals(struct __pyx_t_8discodop_10containers_NodeArray, struct __pyx_t_8discodop_10containers_Node *, struct __pyx_obj_8discodop_10containers_Ctrees *, PyObject *, PyObject *); /*proto*/
static PyObject *__pyx_f_8discodop_10_fragments_extractcompbitsets(uint64_t *, struct __pyx_t_8discodop_10containers_Node *, int, int, PyObject *, short, uint64_t *); /*proto*/
static PyObject *__pyx_f_8discodop_10_fragments_traverse(struct __pyx_t_8discodop_10containers_NodeArray, struct __pyx_t_8discodop_10containers_Node *, int, int, int, int, PyObject *, uint64_t *, int); /*proto*/
static CYTHON_INLINE PyObject *__pyx_f_8discodop_10_fragments_getsubtree(PyObject *, struct __pyx_t_8discodop_10containers_Node *, uint64_t *, struct __pyx_obj_8discodop_10containers_Vocabulary *, int, int); /*proto*/
static CYTHON_INLINE PyObject *__pyx_f_8discodop_10_fragments_getyield(struct __pyx_t_8discodop_10containers_Node *, int); /*proto*/
static PyObject *__pyx_f_8discodop_10_fragments_getsent(PyObject *); /*proto*/
static PyObject *__pyx_f_8discodop_10_fragments_dumpmatrix(uint64_t *, struct __pyx_t_8discodop_10containers_NodeArray, struct __pyx_t_8discodop_10containers_NodeArray, struct __pyx_t_8discodop_10containers_Node *, struct __pyx_t_8discodop_10containers_Node *, struct __pyx_obj_8discodop_10containers_Vocabulary *, uint64_t *, short); /*proto*/
static PyObject *__pyx_f_8discodop_10_fragments_dumptree(struct __pyx_t_8discodop_10containers_NodeArray, struct __pyx_t_8discodop_10containers_Node *, PyObject *, struct __pyx_obj_8discodop_10containers_Vocabulary *, uint64_t *); /*proto*/
static int __pyx_f_8discodop_10_fragments_readtree(PyObject *, struct __pyx_obj_8discodop_10containers_Vocabulary *, struct __pyx_t_8discodop_10containers_Node *, arrayobject *, arrayobject *, PyObject *); /*proto*/
static CYTHON_INLINE PyObject *__pyx_f_8discodop_10_fragments_copynodes(PyObject *, PyObject *, struct __pyx_t_8discodop_10containers_Node *, int *); /*proto*/
#define __Pyx_MODULE_NAME "discodop._fragments"
int __pyx_module_is_main_discodop___fragments = 0;

/* Implementation of 'discodop._fragments' */
static PyObject *__pyx_builtin_MemoryError;
static PyObject *__pyx_builtin_range;
static PyObject *__pyx_builtin_ValueError;
static PyObject *__pyx_builtin_print;
static PyObject *__pyx_builtin_enumerate;
static PyObject *__pyx_builtin_max;
static PyObject *__pyx_builtin_sum;
static PyObject *__pyx_builtin_any;
static const char __pyx_k_1[] = "1";
static const char __pyx_k_I[] = "I";
static const char __pyx_k_L[] = "L";
static const char __pyx_k_d[] = " %d=";
static const char __pyx_k_f[] = "f";
static const char __pyx_k_h[] = "h";
static const char __pyx_k_i[] = "i";
static const char __pyx_k_m[] = "m";
static const char __pyx_k_n[] = "n";
static const char __pyx_k_r[] = "r";
static const char __pyx_k_x[] = "x";
static const char __pyx_k_2d[] = "%2d";
static const char __pyx_k__2[] = "";
static const char __pyx_k__5[] = "(";
static const char __pyx_k__6[] = " ";
static const char __pyx_k__7[] = ")";
static const char __pyx_k__8[] = "\t";
static const char __pyx_k_io[] = "io";
static const char __pyx_k_os[] = "os";
static const char __pyx_k_re[] = "re";
static const char __pyx_k_yf[] = "yf";
static const char __pyx_k_0_9[] = "\\([^(]+ ([0-9]+)=[^ ()]+\\)";
static const char __pyx_k__13[] = "\n";
static const char __pyx_k__19[] = ",";
static const char __pyx_k__40[] = "_";
static const char __pyx_k_all[] = "__all__";
static const char __pyx_k_any[] = "any";
static const char __pyx_k_cnt[] = "cnt";
static const char __pyx_k_d_2[] = "d";
static const char __pyx_k_d_d[] = "%d:%d";
static const char __pyx_k_d_s[] = "%d=%s";
static const char __pyx_k_dot[] = "dot";
static const char __pyx_k_end[] = "end";
static const char __pyx_k_exp[] = "exp";
static const char __pyx_k_fmt[] = "fmt";
static const char __pyx_k_log[] = "log";
static const char __pyx_k_max[] = "max";
static const char __pyx_k_pop[] = "pop";
static const char __pyx_k_s_s[] = "\t%s=%s";
static const char __pyx_k_sub[] = "sub";
static const char __pyx_k_sum[] = "sum";
static const char __pyx_k_sys[] = "sys";
static const char __pyx_k_tmp[] = "tmp";
static const char __pyx_k_2d_2[] = "\n%2d";
static const char __pyx_k_Tree[] = "Tree";
static const char __pyx_k_args[] = "args";
static const char __pyx_k_both[] = "both";
static const char __pyx_k_data[] = "data";
static const char __pyx_k_disc[] = "disc";
static const char __pyx_k_end1[] = "end1";
static const char __pyx_k_end2[] = "end2";
static const char __pyx_k_frag[] = "frag";
static const char __pyx_k_fsum[] = "fsum";
static const char __pyx_k_horz[] = "horz";
static const char __pyx_k_item[] = "item";
static const char __pyx_k_line[] = "line";
static const char __pyx_k_main[] = "__main__";
static const char __pyx_k_repl[] = "repl";
static const char __pyx_k_send[] = "send";
static const char __pyx_k_sent[] = "sent";
static const char __pyx_k_stop[] = "stop";
static const char __pyx_k_test[] = "__test__";
static const char __pyx_k_tree[] = "tree";
static const char __pyx_k_utf8[] = "utf8";
static const char __pyx_k_util[] = "util";
static const char __pyx_k_vert[] = "vert";
static const char __pyx_k_SLOTS[] = "SLOTS";
static const char __pyx_k_array[] = "array";
static const char __pyx_k_close[] = "close";
static const char __pyx_k_debug[] = "debug";
static const char __pyx_k_depth[] = "depth";
static const char __pyx_k_found[] = "found:";
static const char __pyx_k_frags[] = "frags";
static const char __pyx_k_group[] = "group";
static const char __pyx_k_index[] = "index";
static const char __pyx_k_inter[] = "inter";
static const char __pyx_k_isinf[] = "isinf";
static const char __pyx_k_items[] = "items";
static const char __pyx_k_limit[] = "limit";
static const char __pyx_k_match[] = "match";
static const char __pyx_k_nodes[] = "nodes";
static const char __pyx_k_print[] = "print";
static const char __pyx_k_range[] = "range";
static const char __pyx_k_s_s_s[] = "%s|<%s.%s>";
static const char __pyx_k_stack[] = "stack";
static const char __pyx_k_start[] = "start";
static const char __pyx_k_table[] = "table";
static const char __pyx_k_throw[] = "throw";
static const char __pyx_k_trees[] = "trees";
static const char __pyx_k_vocab[] = "vocab";
static const char __pyx_k_append[] = "append";
static const char __pyx_k_approx[] = "approx";
static const char __pyx_k_corpus[] = "corpus";
static const char __pyx_k_ctrees[] = "ctrees";
static const char __pyx_k_escape[] = "escape";
static const char __pyx_k_extend[] = "extend";
static const char __pyx_k_import[] = "__import__";
static const char __pyx_k_islice[] = "islice";
static const char __pyx_k_items1[] = "items1";
static const char __pyx_k_items2[] = "items2";
static const char __pyx_k_labels[] = "labels";
static const char __pyx_k_start1[] = "start1";
static const char __pyx_k_start2[] = "start2";
static const char __pyx_k_trees1[] = "trees1";
static const char __pyx_k_trees2[] = "trees2";
static const char __pyx_k_Counter[] = "Counter";
static const char __pyx_k_READERS[] = "READERS";
static const char __pyx_k_bitsets[] = "bitsets";
static const char __pyx_k_bracket[] = "bracket";
static const char __pyx_k_compile[] = "compile";
static const char __pyx_k_ctrees1[] = "ctrees1";
static const char __pyx_k_ctrees2[] = "ctrees2";
static const char __pyx_k_findall[] = "findall";
static const char __pyx_k_genexpr[] = "genexpr";
static const char __pyx_k_grammar[] = "grammar";
static const char __pyx_k_indices[] = "indices";
static const char __pyx_k_partial[] = "partial";
static const char __pyx_k_scratch[] = "scratch";
static const char __pyx_k_adjacent[] = "adjacent";
static const char __pyx_k_binarize[] = "binarize";
static const char __pyx_k_children[] = "children";
static const char __pyx_k_encoding[] = "encoding";
static const char __pyx_k_maxdepth[] = "maxdepth";
static const char __pyx_k_maxnodes[] = "maxnodes";
static const char __pyx_k_openread[] = "openread";
static const char __pyx_k_terminal[] = "terminal";
static const char __pyx_k_tostring[] = "tostring";
static const char __pyx_k_treebank[] = "treebank";
static const char __pyx_k_twoterms[] = "twoterms";
static const char __pyx_k_0_9_0_9_b[] = " ([0-9]+)(?:=|:[0-9]+\\b)";
static const char __pyx_k_binfactor[] = "binfactor";
static const char __pyx_k_enumerate[] = "enumerate";
static const char __pyx_k_fragments[] = "fragments";
static const char __pyx_k_frontiers[] = "frontiers";
static const char __pyx_k_functools[] = "functools";
static const char __pyx_k_getctrees[] = "getctrees";
static const char __pyx_k_itertools[] = "itertools";
static const char __pyx_k_itertrees[] = "itertrees";
static const char __pyx_k_printrule[] = "printrule";
static const char __pyx_k_pygetsent[] = "pygetsent";
static const char __pyx_k_FRONTIERRE[] = "FRONTIERRE";
static const char __pyx_k_ValueError[] = "ValueError";
static const char __pyx_k_complement[] = "complement";
static const char __pyx_k_handledisc[] = "handledisc";
static const char __pyx_k_indextrees[] = "indextrees";
static const char __pyx_k_maxresults[] = "maxresults";
static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
static const char __pyx_k_0_9_0_9_b_2[] = " ([0-9]+):([0-9]+)\\b";
static const char __pyx_k_MemoryError[] = "MemoryError";
static const char __pyx_k_collections[] = "collections";
static const char __pyx_k_exactcounts[] = "exactcounts";
static const char __pyx_k_extractsent[] = "extractsent";
static const char __pyx_k_maxfrontier[] = "maxfrontier";
static const char __pyx_k_nonfrontier[] = "nonfrontier";
static const char __pyx_k_prodsintree[] = "prodsintree";
static const char __pyx_k_TREEPARSEMSG[] = "TREEPARSEMSG";
static const char __pyx_k_allfragments[] = "allfragments";
static const char __pyx_k_intersection[] = "intersection";
static const char __pyx_k_readtreebank[] = "readtreebank";
static const char __pyx_k_treebankfile[] = "treebankfile";
static const char __pyx_k_0_nodes_found[] = "0 nodes found";
static const char __pyx_k_RoaringBitmap[] = "RoaringBitmap";
static const char __pyx_k_TERMINDICESRE[] = "TERMINDICESRE";
static const char __pyx_k_repl_locals_f[] = "repl.<locals>.f";
static const char __pyx_k_roaringbitmap[] = "roaringbitmap";
static const char __pyx_k_nonfrontierfun[] = "nonfrontierfun";
static const char __pyx_k_treetransforms[] = "treetransforms";
static const char __pyx_k_completebitsets[] = "completebitsets";
static const char __pyx_k_illegal_index_d[] = "illegal index %d";
static const char __pyx_k_FRONTIERORTERMRE[] = "FRONTIERORTERMRE";
static const char __pyx_k_allocation_error[] = "allocation error";
static const char __pyx_k_exactcountsslice[] = "exactcountsslice";
static const char __pyx_k_extractfragments[] = "extractfragments";
static const char __pyx_k_lcfrsproductions[] = "lcfrsproductions";
static const char __pyx_k_common_productions[] = "\ncommon productions:";
static const char __pyx_k_pygetsent_line_847[] = "pygetsent (line 847)";
static const char __pyx_k_discodop__fragments[] = "discodop._fragments";
static const char __pyx_k_error_d_in_line_d_s_s[] = "error %d in line %d: %s\n%s";
static const char __pyx_k_frontier_non_terminal[] = "\tfrontier non-terminal";
static const char __pyx_k_r_appears_to_be_empty[] = "%r appears to be empty";
static const char __pyx_k_missing_terminal_index[] = "missing terminal index";
static const char __pyx_k_readtree_locals_genexpr[] = "readtree.<locals>.genexpr";
static const char __pyx_k_completebitsets_line_584[] = "completebitsets (line 584)";
static const char __pyx_k_Expected_Tree_node_got_s_r[] = "Expected Tree node, got %s\n%r";
static const char __pyx_k_unexpected_data_after_terminal[] = "unexpected data after terminal";
static const char __pyx_k_datastore_avcrane1_disco_dop_di[] = "/datastore/avcrane1/disco-dop/discodop/_fragments.pyx";
static const char __pyx_k_idx_2d_left_2d_right_2d_prod_2d[] = "idx=%2d\tleft=%2d\tright=%2d\tprod=%2d\tlabel=%s";
static const char __pyx_k_Fragment_extraction_with_tree_ke[] = "Fragment extraction with tree kernels.\n\nImplements:\n\n- van Cranenburgh (2014), Extraction of Phrase-Structure Fragments\n  with a Linear Average Time Tree-Kernel\n- Sangati et al. (2010), Efficiently extract recurring tree fragments from\n  large treebanks\n- Moschitti (2006): Making Tree Kernels practical for Natural Language Learning\n";
static const char __pyx_k_Generate_bitsets_corresponding_t[] = "Generate bitsets corresponding to whole trees in the input.\n\n\t:param tostring: do not create list of trees as strings\n\t:returns: a pair of lists with trees as strings and their bitsets,\n\t\trespectively.\n\n\tA tree with a discontinuous substitution site is expected to be binarized\n\twith ``rightmostunary=True``:\n\n\t>>> from discodop.treebank import brackettree\n\t>>> tree, sent = brackettree(u'(S (X 0= 2= 4=))')\n\t>>> print(handledisc(tree))\n\t(S (X 0 (X|<> 2 (X|<> 4))))\n\n\tThese auxiliary nodes will not be part of the returned tree / bitset:\n\n\t>>> tmp = getctrees([(tree, sent)])\n\t>>> print(completebitsets(tmp['trees1'], tmp['vocab'], 2, disc=True)[0][0])\n\t(S (X 0= 2= 4=))\n\t";
static const char __pyx_k_Wrapper_of_getsent_to_make_docte[] = "Wrapper of ``getsent()`` to make doctests possible.\n\n\t>>> print(pygetsent(u'(S (NP 2=man) (VP 4=walks))'))\n\t(S (NP 0=man) (VP 2=walks))\n\t>>> print(pygetsent(u'(VP (VB 0=Wake) (PRT 3=up))'))\n\t(VP (VB 0=Wake) (PRT 2=up))\n\t>>> print(pygetsent(u'(S (NP 2:2 4:4) (VP 1:1 3:3))'))\n\t(S (NP 1= 3=) (VP 0= 2=))\n\t>>> print(pygetsent(u'(ROOT (S 0:2) ($. 3=.))'))\n\t(ROOT (S 0=) ($. 1=.))\n\t>>> print(pygetsent(u'(ROOT (S 0=Foo) ($. 3=.))'))\n\t(ROOT (S 0=Foo) ($. 2=.))\n\t>>> print(pygetsent(\n\t... u'(S|<VP>_2 (VP_3 0:1 3:3 16:16) (VAFIN 2=wird))'))\n\t(S|<VP>_2 (VP_3 0= 2= 4=) (VAFIN 1=wird))\n\t";
static const char __pyx_k_nonfrontier_locals_nonfrontierfu[] = "nonfrontier.<locals>.nonfrontierfun";
static const char __pyx_k_right_child_can_only_be_non_term[] = "right child can only be non-terminal.";
static const char __pyx_k_stack_not_empty_after_end_of_str[] = "stack not empty after end of string";
static const char __pyx_k_trees_must_be_non_empty_and_bina[] = "trees must be non-empty and binarized\n%s";
static const char __pyx_k_unexpected_data_after_end_of_tre[] = "unexpected data after end of tree";
static const char __pyx_k_unexpected_end_of_string_after_c[] = "unexpected end of string after closing paren";
static const char __pyx_k_unexpected_end_of_string_after_l[] = "unexpected end of string after label";
static const char __pyx_k_unexpected_end_of_string_after_o[] = "unexpected end of string after opening paren";
static PyObject *__pyx_kp_u_0_9;
static PyObject *__pyx_kp_u_0_9_0_9_b;
static PyObject *__pyx_kp_u_0_9_0_9_b_2;
static PyObject *__pyx_kp_u_0_nodes_found;
static PyObject *__pyx_kp_u_1;
static PyObject *__pyx_kp_u_2d;
static PyObject *__pyx_kp_u_2d_2;
static PyObject *__pyx_n_s_Counter;
static PyObject *__pyx_kp_u_Expected_Tree_node_got_s_r;
static PyObject *__pyx_n_s_FRONTIERORTERMRE;
static PyObject *__pyx_n_s_FRONTIERRE;
static PyObject *__pyx_kp_u_Generate_bitsets_corresponding_t;
static PyObject *__pyx_n_b_I;
static PyObject *__pyx_n_u_I;
static PyObject *__pyx_n_b_L;
static PyObject *__pyx_n_u_L;
static PyObject *__pyx_n_s_MemoryError;
static PyObject *__pyx_n_s_READERS;
static PyObject *__pyx_n_s_RoaringBitmap;
static PyObject *__pyx_n_s_SLOTS;
static PyObject *__pyx_n_s_TERMINDICESRE;
static PyObject *__pyx_n_s_TREEPARSEMSG;
static PyObject *__pyx_n_s_Tree;
static PyObject *__pyx_n_s_ValueError;
static PyObject *__pyx_kp_u_Wrapper_of_getsent_to_make_docte;
static PyObject *__pyx_kp_u__13;
static PyObject *__pyx_kp_u__19;
static PyObject *__pyx_kp_u__2;
static PyObject *__pyx_n_s__40;
static PyObject *__pyx_kp_u__5;
static PyObject *__pyx_kp_u__6;
static PyObject *__pyx_kp_u__7;
static PyObject *__pyx_kp_u__8;
static PyObject *__pyx_n_s_adjacent;
static PyObject *__pyx_n_s_all;
static PyObject *__pyx_n_s_allfragments;
static PyObject *__pyx_n_u_allfragments;
static PyObject *__pyx_kp_u_allocation_error;
static PyObject *__pyx_n_s_any;
static PyObject *__pyx_n_s_append;
static PyObject *__pyx_n_s_approx;
static PyObject *__pyx_n_s_args;
static PyObject *__pyx_n_s_array;
static PyObject *__pyx_n_s_binarize;
static PyObject *__pyx_n_s_binfactor;
static PyObject *__pyx_n_s_bitsets;
static PyObject *__pyx_n_u_both;
static PyObject *__pyx_n_u_bracket;
static PyObject *__pyx_n_s_children;
static PyObject *__pyx_n_s_close;
static PyObject *__pyx_n_s_cnt;
static PyObject *__pyx_n_s_collections;
static PyObject *__pyx_kp_u_common_productions;
static PyObject *__pyx_n_s_compile;
static PyObject *__pyx_n_s_complement;
static PyObject *__pyx_n_u_completebitsets;
static PyObject *__pyx_kp_u_completebitsets_line_584;
static PyObject *__pyx_n_s_corpus;
static PyObject *__pyx_n_s_ctrees;
static PyObject *__pyx_n_s_ctrees1;
static PyObject *__pyx_n_s_ctrees2;
static PyObject *__pyx_kp_u_d;
static PyObject *__pyx_n_s_d_2;
static PyObject *__pyx_kp_u_d_d;
static PyObject *__pyx_kp_u_d_s;
static PyObject *__pyx_n_s_data;
static PyObject *__pyx_kp_s_datastore_avcrane1_disco_dop_di;
static PyObject *__pyx_n_s_debug;
static PyObject *__pyx_n_s_depth;
static PyObject *__pyx_n_s_disc;
static PyObject *__pyx_n_s_discodop__fragments;
static PyObject *__pyx_n_s_dot;
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static PyObject *__pyx_pf_8discodop_10_fragments_2exactcounts(CYTHON_UNUSED PyObject *__pyx_self, struct __pyx_obj_8discodop_10containers_Ctrees *__pyx_v_trees1, struct __pyx_obj_8discodop_10containers_Ctrees *__pyx_v_trees2, PyObject *__pyx_v_bitsets, int __pyx_v_indices, PyObject *__pyx_v_maxnodes); /* proto */
static PyObject *__pyx_pf_8discodop_10_fragments_4exactcountsslice(CYTHON_UNUSED PyObject *__pyx_self, struct __pyx_obj_8discodop_10containers_Ctrees *__pyx_v_trees1, struct __pyx_obj_8discodop_10containers_Ctrees *__pyx_v_trees2, PyObject *__pyx_v_bitsets, int __pyx_v_indices, PyObject *__pyx_v_maxnodes, PyObject *__pyx_v_start, PyObject *__pyx_v_end, PyObject *__pyx_v_maxresults); /* proto */
static PyObject *__pyx_pf_8discodop_10_fragments_6completebitsets(CYTHON_UNUSED PyObject *__pyx_self, struct __pyx_obj_8discodop_10containers_Ctrees *__pyx_v_trees, struct __pyx_obj_8discodop_10containers_Vocabulary *__pyx_v_vocab, short __pyx_v_maxnodes, int __pyx_v_disc, PyObject *__pyx_v_start, PyObject *__pyx_v_end, PyObject *__pyx_v_tostring); /* proto */
static PyObject *__pyx_pf_8discodop_10_fragments_8allfragments(CYTHON_UNUSED PyObject *__pyx_self, struct __pyx_obj_8discodop_10containers_Ctrees *__pyx_v_trees, struct __pyx_obj_8discodop_10containers_Vocabulary *__pyx_v_vocab, int __pyx_v_maxdepth, int __pyx_v_maxfrontier, int __pyx_v_disc, int __pyx_v_indices); /* proto */
static PyObject *__pyx_pf_8discodop_10_fragments_10pygetsent(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_frag); /* proto */
static PyObject *__pyx_pf_8discodop_10_fragments_4repl_f(PyObject *__pyx_self, PyObject *__pyx_v_x); /* proto */
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static PyObject *__pyx_pf_8discodop_10_fragments_11nonfrontier_nonfrontierfun(PyObject *__pyx_self, PyObject *__pyx_v_x); /* proto */
static PyObject *__pyx_pf_8discodop_10_fragments_14nonfrontier(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_sent); /* proto */
static PyObject *__pyx_pf_8discodop_10_fragments_8readtree_genexpr(PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_8discodop_10_fragments_8readtree_3genexpr(PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_8discodop_10_fragments_8readtree_6genexpr(PyObject *__pyx_self); /* proto */
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static PyObject *__pyx_pf_8discodop_10_fragments_18readtreebank(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_treebankfile, struct __pyx_obj_8discodop_10containers_Vocabulary *__pyx_v_vocab, PyObject *__pyx_v_fmt, PyObject *__pyx_v_limit, PyObject *__pyx_v_encoding); /* proto */
static int __pyx_pf_7cpython_5array_5array___getbuffer__(arrayobject *__pyx_v_self, Py_buffer *__pyx_v_info, CYTHON_UNUSED int __pyx_v_flags); /* proto */
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static PyObject *__pyx_tp_new_8discodop_10_fragments___pyx_scope_struct__repl(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_8discodop_10_fragments___pyx_scope_struct_1_nonfrontier(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
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static PyObject *__pyx_tp_new_8discodop_10_fragments___pyx_scope_struct_5_genexpr(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
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static char __pyx_doc_8discodop_10_fragments_extractfragments[] = "extractfragments(Ctrees trees1, int start1, int end1, Vocabulary vocab, Ctrees trees2=None, int start2=0, int end2=0, bool approx=True, bool debug=False, bool disc=False, bool complement=False, unicode twoterms=None, bool adjacent=False)\nFind the largest fragments in treebank(s) with the fast tree kernel.\n\n\t- scenario 1: recurring fragments in single treebank, use::\n\t\textractfragments(trees1, start1, end1, vocab)\n\t- scenario 2: common fragments in two treebanks::\n\t\textractfragments(trees1, start1, end1, vocab, trees2)\n\n\t:param start1, end1: specify slice of treebank to be used; can be used to\n\t\tdivide the work over multiple processes; they are indices of ``trees1``\n\t\tto work on (pass 0 for both to use all trees).\n\t:param start2, end2: idem for trees2.\n\t:param approx: return approximate counts instead of bitsets.\n\t:param debug: if True, a table of common productions is printed for each\n\t\tpair of trees\n\t:param disc: if True, return trees with indices as leaves.\n\t:param complement: if True, the complement of the recurring\n\t\tfragments in each pair of trees is extracted as well.\n\t:param twoterms: only return fragments with at least two terminals,\n\t\tone of which has a POS tag matching the given regex.\n\t:param adjacent: only extract fragments from sentences with adjacent\n\t\tindices.\n\t:returns: a dictionary; keys are fragments as strings; values are\n\t\teither counts (if approx=True), or bitsets describing fragments of\n\t\t``trees1``.\n\t";
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  int __pyx_v_j;
  int __pyx_v_ii;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  __Pyx_RefNannySetupContext("fasttreekernel", 0);

  /* "discodop/_fragments.pyx":264
 * 	Learning."""
 * 	# i is an index to a, j to b, and ii is a temp index starting at i.
 * 	cdef int i = 0, j = 0, ii = 0             # <<<<<<<<<<<<<<
 * 	while True:
 * 		if a[i].prod < b[j].prod:
 */
  __pyx_v_i = 0;
  __pyx_v_j = 0;
  __pyx_v_ii = 0;

  /* "discodop/_fragments.pyx":265
 * 	# i is an index to a, j to b, and ii is a temp index starting at i.
 * 	cdef int i = 0, j = 0, ii = 0
 * 	while True:             # <<<<<<<<<<<<<<
 * 		if a[i].prod < b[j].prod:
 * 			i += 1
 */
  while (1) {

    /* "discodop/_fragments.pyx":266
 * 	cdef int i = 0, j = 0, ii = 0
 * 	while True:
 * 		if a[i].prod < b[j].prod:             # <<<<<<<<<<<<<<
 * 			i += 1
 * 			if i >= alen:
 */
    __pyx_t_1 = (((__pyx_v_a[__pyx_v_i]).prod < (__pyx_v_b[__pyx_v_j]).prod) != 0);
    if (__pyx_t_1) {

      /* "discodop/_fragments.pyx":267
 * 	while True:
 * 		if a[i].prod < b[j].prod:
 * 			i += 1             # <<<<<<<<<<<<<<
 * 			if i >= alen:
 * 				return
 */
      __pyx_v_i = (__pyx_v_i + 1);

      /* "discodop/_fragments.pyx":268
 * 		if a[i].prod < b[j].prod:
 * 			i += 1
 * 			if i >= alen:             # <<<<<<<<<<<<<<
 * 				return
 * 		elif a[i].prod > b[j].prod:
 */
      __pyx_t_1 = ((__pyx_v_i >= __pyx_v_alen) != 0);
      if (__pyx_t_1) {

        /* "discodop/_fragments.pyx":269
 * 			i += 1
 * 			if i >= alen:
 * 				return             # <<<<<<<<<<<<<<
 * 		elif a[i].prod > b[j].prod:
 * 			j += 1
 */
        goto __pyx_L0;

        /* "discodop/_fragments.pyx":268
 * 		if a[i].prod < b[j].prod:
 * 			i += 1
 * 			if i >= alen:             # <<<<<<<<<<<<<<
 * 				return
 * 		elif a[i].prod > b[j].prod:
 */
      }

      /* "discodop/_fragments.pyx":266
 * 	cdef int i = 0, j = 0, ii = 0
 * 	while True:
 * 		if a[i].prod < b[j].prod:             # <<<<<<<<<<<<<<
 * 			i += 1
 * 			if i >= alen:
 */
      goto __pyx_L5;
    }

    /* "discodop/_fragments.pyx":270
 * 			if i >= alen:
 * 				return
 * 		elif a[i].prod > b[j].prod:             # <<<<<<<<<<<<<<
 * 			j += 1
 * 			if j >= blen:
 */
    __pyx_t_1 = (((__pyx_v_a[__pyx_v_i]).prod > (__pyx_v_b[__pyx_v_j]).prod) != 0);
    if (__pyx_t_1) {

      /* "discodop/_fragments.pyx":271
 * 				return
 * 		elif a[i].prod > b[j].prod:
 * 			j += 1             # <<<<<<<<<<<<<<
 * 			if j >= blen:
 * 				return
 */
      __pyx_v_j = (__pyx_v_j + 1);

      /* "discodop/_fragments.pyx":272
 * 		elif a[i].prod > b[j].prod:
 * 			j += 1
 * 			if j >= blen:             # <<<<<<<<<<<<<<
 * 				return
 * 		else:
 */
      __pyx_t_1 = ((__pyx_v_j >= __pyx_v_blen) != 0);
      if (__pyx_t_1) {

        /* "discodop/_fragments.pyx":273
 * 			j += 1
 * 			if j >= blen:
 * 				return             # <<<<<<<<<<<<<<
 * 		else:
 * 			while a[i].prod == b[j].prod:
 */
        goto __pyx_L0;

        /* "discodop/_fragments.pyx":272
 * 		elif a[i].prod > b[j].prod:
 * 			j += 1
 * 			if j >= blen:             # <<<<<<<<<<<<<<
 * 				return
 * 		else:
 */
      }

      /* "discodop/_fragments.pyx":270
 * 			if i >= alen:
 * 				return
 * 		elif a[i].prod > b[j].prod:             # <<<<<<<<<<<<<<
 * 			j += 1
 * 			if j >= blen:
 */
      goto __pyx_L5;
    }

    /* "discodop/_fragments.pyx":275
 * 				return
 * 		else:
 * 			while a[i].prod == b[j].prod:             # <<<<<<<<<<<<<<
 * 				ii = i
 * 				while a[ii].prod == b[j].prod:
 */
    /*else*/ {
      while (1) {
        __pyx_t_1 = (((__pyx_v_a[__pyx_v_i]).prod == (__pyx_v_b[__pyx_v_j]).prod) != 0);
        if (!__pyx_t_1) break;

        /* "discodop/_fragments.pyx":276
 * 		else:
 * 			while a[i].prod == b[j].prod:
 * 				ii = i             # <<<<<<<<<<<<<<
 * 				while a[ii].prod == b[j].prod:
 * 					SETBIT(&matrix[j * SLOTS], ii)
 */
        __pyx_v_ii = __pyx_v_i;

        /* "discodop/_fragments.pyx":277
 * 			while a[i].prod == b[j].prod:
 * 				ii = i
 * 				while a[ii].prod == b[j].prod:             # <<<<<<<<<<<<<<
 * 					SETBIT(&matrix[j * SLOTS], ii)
 * 					ii += 1
 */
        while (1) {
          __pyx_t_1 = (((__pyx_v_a[__pyx_v_ii]).prod == (__pyx_v_b[__pyx_v_j]).prod) != 0);
          if (!__pyx_t_1) break;

          /* "discodop/_fragments.pyx":278
 * 				ii = i
 * 				while a[ii].prod == b[j].prod:
 * 					SETBIT(&matrix[j * SLOTS], ii)             # <<<<<<<<<<<<<<
 * 					ii += 1
 * 					if ii >= alen:
 */
          SETBIT((&(__pyx_v_matrix[(__pyx_v_j * __pyx_v_SLOTS)])), __pyx_v_ii);

          /* "discodop/_fragments.pyx":279
 * 				while a[ii].prod == b[j].prod:
 * 					SETBIT(&matrix[j * SLOTS], ii)
 * 					ii += 1             # <<<<<<<<<<<<<<
 * 					if ii >= alen:
 * 						break
 */
          __pyx_v_ii = (__pyx_v_ii + 1);

          /* "discodop/_fragments.pyx":280
 * 					SETBIT(&matrix[j * SLOTS], ii)
 * 					ii += 1
 * 					if ii >= alen:             # <<<<<<<<<<<<<<
 * 						break
 * 				j += 1
 */
          __pyx_t_1 = ((__pyx_v_ii >= __pyx_v_alen) != 0);
          if (__pyx_t_1) {

            /* "discodop/_fragments.pyx":281
 * 					ii += 1
 * 					if ii >= alen:
 * 						break             # <<<<<<<<<<<<<<
 * 				j += 1
 * 				if j >= blen:
 */
            goto __pyx_L11_break;

            /* "discodop/_fragments.pyx":280
 * 					SETBIT(&matrix[j * SLOTS], ii)
 * 					ii += 1
 * 					if ii >= alen:             # <<<<<<<<<<<<<<
 * 						break
 * 				j += 1
 */
          }
        }
        __pyx_L11_break:;

        /* "discodop/_fragments.pyx":282
 * 					if ii >= alen:
 * 						break
 * 				j += 1             # <<<<<<<<<<<<<<
 * 				if j >= blen:
 * 					return
 */
        __pyx_v_j = (__pyx_v_j + 1);

        /* "discodop/_fragments.pyx":283
 * 						break
 * 				j += 1
 * 				if j >= blen:             # <<<<<<<<<<<<<<
 * 					return
 * 
 */
        __pyx_t_1 = ((__pyx_v_j >= __pyx_v_blen) != 0);
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          /* "discodop/_fragments.pyx":284
 * 				j += 1
 * 				if j >= blen:
 * 					return             # <<<<<<<<<<<<<<
 * 
 * 
 */
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          /* "discodop/_fragments.pyx":283
 * 						break
 * 				j += 1
 * 				if j >= blen:             # <<<<<<<<<<<<<<
 * 					return
 * 
 */
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    __pyx_L5:;
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  /* "discodop/_fragments.pyx":255
 * 
 * 
 * cdef inline void fasttreekernel(Node *a, Node *b, int alen, int blen,             # <<<<<<<<<<<<<<
 * 		uint64_t *matrix, short SLOTS):
 * 	"""Fast Tree Kernel (average case linear time).
 */

  /* function exit code */
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}

/* "discodop/_fragments.pyx":287
 * 
 * 
 * cdef inline extractbitsets(uint64_t *matrix, Node *a, Node *b, short j, int n,             # <<<<<<<<<<<<<<
 * 		set results, int minterms, uint64_t *scratch, short SLOTS):
 * 	"""Visit nodes of ``b`` top-down and store bitsets of common nodes.
 */

static CYTHON_INLINE PyObject *__pyx_f_8discodop_10_fragments_extractbitsets(uint64_t *__pyx_v_matrix, struct __pyx_t_8discodop_10containers_Node *__pyx_v_a, struct __pyx_t_8discodop_10containers_Node *__pyx_v_b, short __pyx_v_j, int __pyx_v_n, PyObject *__pyx_v_results, int __pyx_v_minterms, uint64_t *__pyx_v_scratch, short __pyx_v_SLOTS) {
  uint64_t *__pyx_v_bitset;
  uint64_t __pyx_v_cur;
  int __pyx_v_idx;
  int __pyx_v_terms;
  int __pyx_v_i;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
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  /* "discodop/_fragments.pyx":295
 * 	``b`` to start with, which changes with each recursive step. ``n`` is the
 * 	identifier of this tree which is stored with extracted fragments."""
 * 	cdef uint64_t *bitset = &matrix[j * SLOTS]             # <<<<<<<<<<<<<<
 * 	cdef uint64_t cur = bitset[0]
 * 	cdef int idx = 0, terms
 */
  __pyx_v_bitset = (&(__pyx_v_matrix[(__pyx_v_j * __pyx_v_SLOTS)]));

  /* "discodop/_fragments.pyx":296
 * 	identifier of this tree which is stored with extracted fragments."""
 * 	cdef uint64_t *bitset = &matrix[j * SLOTS]
 * 	cdef uint64_t cur = bitset[0]             # <<<<<<<<<<<<<<
 * 	cdef int idx = 0, terms
 * 	cdef int i = iteratesetbits(bitset, SLOTS, &cur, &idx)
 */
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  /* "discodop/_fragments.pyx":297
 * 	cdef uint64_t *bitset = &matrix[j * SLOTS]
 * 	cdef uint64_t cur = bitset[0]
 * 	cdef int idx = 0, terms             # <<<<<<<<<<<<<<
 * 	cdef int i = iteratesetbits(bitset, SLOTS, &cur, &idx)
 * 	while i != -1:
 */
  __pyx_v_idx = 0;

  /* "discodop/_fragments.pyx":298
 * 	cdef uint64_t cur = bitset[0]
 * 	cdef int idx = 0, terms
 * 	cdef int i = iteratesetbits(bitset, SLOTS, &cur, &idx)             # <<<<<<<<<<<<<<
 * 	while i != -1:
 * 		memset(<void *>scratch, 0, SLOTS * sizeof(uint64_t))
 */
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  /* "discodop/_fragments.pyx":299
 * 	cdef int idx = 0, terms
 * 	cdef int i = iteratesetbits(bitset, SLOTS, &cur, &idx)
 * 	while i != -1:             # <<<<<<<<<<<<<<
 * 		memset(<void *>scratch, 0, SLOTS * sizeof(uint64_t))
 * 		terms = extractat(matrix, scratch, a, b, i, j, SLOTS)
 */
  while (1) {
    __pyx_t_1 = ((__pyx_v_i != -1L) != 0);
    if (!__pyx_t_1) break;

    /* "discodop/_fragments.pyx":300
 * 	cdef int i = iteratesetbits(bitset, SLOTS, &cur, &idx)
 * 	while i != -1:
 * 		memset(<void *>scratch, 0, SLOTS * sizeof(uint64_t))             # <<<<<<<<<<<<<<
 * 		terms = extractat(matrix, scratch, a, b, i, j, SLOTS)
 * 		if terms >= minterms:
 */
    memset(((void *)__pyx_v_scratch), 0, (__pyx_v_SLOTS * (sizeof(uint64_t))));

    /* "discodop/_fragments.pyx":301
 * 	while i != -1:
 * 		memset(<void *>scratch, 0, SLOTS * sizeof(uint64_t))
 * 		terms = extractat(matrix, scratch, a, b, i, j, SLOTS)             # <<<<<<<<<<<<<<
 * 		if terms >= minterms:
 * 			setrootid(scratch, i, n, SLOTS)
 */
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    /* "discodop/_fragments.pyx":302
 * 		memset(<void *>scratch, 0, SLOTS * sizeof(uint64_t))
 * 		terms = extractat(matrix, scratch, a, b, i, j, SLOTS)
 * 		if terms >= minterms:             # <<<<<<<<<<<<<<
 * 			setrootid(scratch, i, n, SLOTS)
 * 			results.add(wrap(scratch, SLOTS))
 */
    __pyx_t_1 = ((__pyx_v_terms >= __pyx_v_minterms) != 0);
    if (__pyx_t_1) {

      /* "discodop/_fragments.pyx":303
 * 		terms = extractat(matrix, scratch, a, b, i, j, SLOTS)
 * 		if terms >= minterms:
 * 			setrootid(scratch, i, n, SLOTS)             # <<<<<<<<<<<<<<
 * 			results.add(wrap(scratch, SLOTS))
 * 		i = iteratesetbits(bitset, SLOTS, &cur, &idx)
 */
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      /* "discodop/_fragments.pyx":304
 * 		if terms >= minterms:
 * 			setrootid(scratch, i, n, SLOTS)
 * 			results.add(wrap(scratch, SLOTS))             # <<<<<<<<<<<<<<
 * 		i = iteratesetbits(bitset, SLOTS, &cur, &idx)
 * 	if b[j].left >= 0:
 */
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        PyErr_Format(PyExc_AttributeError, "'NoneType' object has no attribute '%s'", "add");
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      /* "discodop/_fragments.pyx":302
 * 		memset(<void *>scratch, 0, SLOTS * sizeof(uint64_t))
 * 		terms = extractat(matrix, scratch, a, b, i, j, SLOTS)
 * 		if terms >= minterms:             # <<<<<<<<<<<<<<
 * 			setrootid(scratch, i, n, SLOTS)
 * 			results.add(wrap(scratch, SLOTS))
 */
    }

    /* "discodop/_fragments.pyx":305
 * 			setrootid(scratch, i, n, SLOTS)
 * 			results.add(wrap(scratch, SLOTS))
 * 		i = iteratesetbits(bitset, SLOTS, &cur, &idx)             # <<<<<<<<<<<<<<
 * 	if b[j].left >= 0:
 * 		extractbitsets(matrix, a, b, b[j].left, n,
 */
    __pyx_v_i = __pyx_f_8discodop_3bit_iteratesetbits(__pyx_v_bitset, __pyx_v_SLOTS, (&__pyx_v_cur), (&__pyx_v_idx));
  }

  /* "discodop/_fragments.pyx":306
 * 			results.add(wrap(scratch, SLOTS))
 * 		i = iteratesetbits(bitset, SLOTS, &cur, &idx)
 * 	if b[j].left >= 0:             # <<<<<<<<<<<<<<
 * 		extractbitsets(matrix, a, b, b[j].left, n,
 * 				results, minterms, scratch, SLOTS)
 */
  __pyx_t_1 = (((__pyx_v_b[__pyx_v_j]).left >= 0) != 0);
  if (__pyx_t_1) {

    /* "discodop/_fragments.pyx":307
 * 		i = iteratesetbits(bitset, SLOTS, &cur, &idx)
 * 	if b[j].left >= 0:
 * 		extractbitsets(matrix, a, b, b[j].left, n,             # <<<<<<<<<<<<<<
 * 				results, minterms, scratch, SLOTS)
 * 		if b[j].right >= 0:
 */
    __pyx_t_2 = __pyx_f_8discodop_10_fragments_extractbitsets(__pyx_v_matrix, __pyx_v_a, __pyx_v_b, (__pyx_v_b[__pyx_v_j]).left, __pyx_v_n, __pyx_v_results, __pyx_v_minterms, __pyx_v_scratch, __pyx_v_SLOTS); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 307, __pyx_L1_error)
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    /* "discodop/_fragments.pyx":309
 * 		extractbitsets(matrix, a, b, b[j].left, n,
 * 				results, minterms, scratch, SLOTS)
 * 		if b[j].right >= 0:             # <<<<<<<<<<<<<<
 * 			extractbitsets(matrix, a, b, b[j].right, n,
 * 					results, minterms, scratch, SLOTS)
 */
    __pyx_t_1 = (((__pyx_v_b[__pyx_v_j]).right >= 0) != 0);
    if (__pyx_t_1) {

      /* "discodop/_fragments.pyx":310
 * 				results, minterms, scratch, SLOTS)
 * 		if b[j].right >= 0:
 * 			extractbitsets(matrix, a, b, b[j].right, n,             # <<<<<<<<<<<<<<
 * 					results, minterms, scratch, SLOTS)
 * 
 */
      __pyx_t_2 = __pyx_f_8discodop_10_fragments_extractbitsets(__pyx_v_matrix, __pyx_v_a, __pyx_v_b, (__pyx_v_b[__pyx_v_j]).right, __pyx_v_n, __pyx_v_results, __pyx_v_minterms, __pyx_v_scratch, __pyx_v_SLOTS); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 310, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

      /* "discodop/_fragments.pyx":309
 * 		extractbitsets(matrix, a, b, b[j].left, n,
 * 				results, minterms, scratch, SLOTS)
 * 		if b[j].right >= 0:             # <<<<<<<<<<<<<<
 * 			extractbitsets(matrix, a, b, b[j].right, n,
 * 					results, minterms, scratch, SLOTS)
 */
    }

    /* "discodop/_fragments.pyx":306
 * 			results.add(wrap(scratch, SLOTS))
 * 		i = iteratesetbits(bitset, SLOTS, &cur, &idx)
 * 	if b[j].left >= 0:             # <<<<<<<<<<<<<<
 * 		extractbitsets(matrix, a, b, b[j].left, n,
 * 				results, minterms, scratch, SLOTS)
 */
  }

  /* "discodop/_fragments.pyx":287
 * 
 * 
 * cdef inline extractbitsets(uint64_t *matrix, Node *a, Node *b, short j, int n,             # <<<<<<<<<<<<<<
 * 		set results, int minterms, uint64_t *scratch, short SLOTS):
 * 	"""Visit nodes of ``b`` top-down and store bitsets of common nodes.
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("discodop._fragments.extractbitsets", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "discodop/_fragments.pyx":314
 * 
 * 
 * cdef inline int extractat(uint64_t *matrix, uint64_t *result, Node *a, Node *b,             # <<<<<<<<<<<<<<
 * 		short i, short j, short SLOTS):
 * 	"""Traverse tree ``a`` and ``b`` in parallel to extract a connected subset.
 */

static CYTHON_INLINE int __pyx_f_8discodop_10_fragments_extractat(uint64_t *__pyx_v_matrix, uint64_t *__pyx_v_result, struct __pyx_t_8discodop_10containers_Node *__pyx_v_a, struct __pyx_t_8discodop_10containers_Node *__pyx_v_b, short __pyx_v_i, short __pyx_v_j, short __pyx_v_SLOTS) {
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  int __pyx_r;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  __Pyx_RefNannySetupContext("extractat", 0);

  /* "discodop/_fragments.pyx":318
 * 	"""Traverse tree ``a`` and ``b`` in parallel to extract a connected subset.
 * 	"""
 * 	cdef int terms = 0             # <<<<<<<<<<<<<<
 * 	SETBIT(result, i)
 * 	CLEARBIT(&matrix[j * SLOTS], i)
 */
  __pyx_v_terms = 0;

  /* "discodop/_fragments.pyx":319
 * 	"""
 * 	cdef int terms = 0
 * 	SETBIT(result, i)             # <<<<<<<<<<<<<<
 * 	CLEARBIT(&matrix[j * SLOTS], i)
 * 	if a[i].left < 0:
 */
  SETBIT(__pyx_v_result, __pyx_v_i);

  /* "discodop/_fragments.pyx":320
 * 	cdef int terms = 0
 * 	SETBIT(result, i)
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 * 	if a[i].left < 0:             # <<<<<<<<<<<<<<
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/* "discodop/_fragments.pyx":509
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          __pyx_t_5 = (((__pyx_v_nummatches[0]) >= __pyx_v_maxresults) != 0);
          if (__pyx_t_5) {

            /* "discodop/_fragments.pyx":535
 * 					cnt += 1
 * 					if nummatches[0] >= maxresults:
 * 						return cnt             # <<<<<<<<<<<<<<
 * 					elif cnt >= allocated[0]:
 * 						allocated[0] = cnt * 2
 */
            __pyx_r = __pyx_v_cnt;
            goto __pyx_L0;

            /* "discodop/_fragments.pyx":534
 * 					nummatches[0] += 1
 * 					cnt += 1
 * 					if nummatches[0] >= maxresults:             # <<<<<<<<<<<<<<
 * 						return cnt
 * 					elif cnt >= allocated[0]:
 */
          }

          /* "discodop/_fragments.pyx":536
 * 					if nummatches[0] >= maxresults:
 * 						return cnt
 * 					elif cnt >= allocated[0]:             # <<<<<<<<<<<<<<
 * 						allocated[0] = cnt * 2
 * 						treenums[0] = <uint32_t *>realloc(
 */
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            /* "discodop/_fragments.pyx":537
 * 						return cnt
 * 					elif cnt >= allocated[0]:
 * 						allocated[0] = cnt * 2             # <<<<<<<<<<<<<<
 * 						treenums[0] = <uint32_t *>realloc(
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 */
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 * 						treenums[0] = <uint32_t *>realloc(             # <<<<<<<<<<<<<<
 * 								treenums[0], 2 * cnt * sizeof(int))
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 */
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 * 							return -1
 * 						if indices == 2:
 */
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 * 						if indices == 2:
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 */
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              /* "discodop/_fragments.pyx":540
 * 						treenums[0] = <uint32_t *>realloc(
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 * 						if treenums[0] is NULL:             # <<<<<<<<<<<<<<
 * 							return -1
 * 						if indices == 2:
 */
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            /* "discodop/_fragments.pyx":542
 * 						if treenums[0] is NULL:
 * 							return -1
 * 						if indices == 2:             # <<<<<<<<<<<<<<
 * 							nodenums[0] = <short *>realloc(
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 */
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              /* "discodop/_fragments.pyx":543
 * 							return -1
 * 						if indices == 2:
 * 							nodenums[0] = <short *>realloc(             # <<<<<<<<<<<<<<
 * 									nodenums[0], 2 * cnt * sizeof(int))
 * 							if nodenums[0] is NULL:
 */
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              /* "discodop/_fragments.pyx":545
 * 							nodenums[0] = <short *>realloc(
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 * 							if nodenums[0] is NULL:             # <<<<<<<<<<<<<<
 * 								return -1
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 */
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                /* "discodop/_fragments.pyx":546
 * 									nodenums[0], 2 * cnt * sizeof(int))
 * 							if nodenums[0] is NULL:
 * 								return -1             # <<<<<<<<<<<<<<
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 * 				break
 */
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                /* "discodop/_fragments.pyx":545
 * 							nodenums[0] = <short *>realloc(
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 * 							if nodenums[0] is NULL:             # <<<<<<<<<<<<<<
 * 								return -1
 * 			elif anodes[i].prod < bnodes[j].prod:
 */
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              /* "discodop/_fragments.pyx":542
 * 						if treenums[0] is NULL:
 * 							return -1
 * 						if indices == 2:             # <<<<<<<<<<<<<<
 * 							nodenums[0] = <short *>realloc(
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 */
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            /* "discodop/_fragments.pyx":536
 * 					if nummatches[0] >= maxresults:
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 * 					elif cnt >= allocated[0]:             # <<<<<<<<<<<<<<
 * 						allocated[0] = cnt * 2
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 */
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 * 		for j in range(b.len):
 * 			if anodes[i].prod == bnodes[j].prod:
 * 				if containsbitset(anodes, bnodes, bitset, i, j):             # <<<<<<<<<<<<<<
 * 					if indices == 0:
 * 						countsp[n] += 1
 */
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 * 		for j in range(b.len):
 * 			if anodes[i].prod == bnodes[j].prod:             # <<<<<<<<<<<<<<
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 */
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 * 							if nodenums[0] is NULL:
 * 								return -1
 * 			elif anodes[i].prod < bnodes[j].prod:             # <<<<<<<<<<<<<<
 * 				break
 * 	return cnt
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        /* "discodop/_fragments.pyx":548
 * 								return -1
 * 			elif anodes[i].prod < bnodes[j].prod:
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 * 
 */
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        /* "discodop/_fragments.pyx":547
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 * 
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 * 
 * cdef int countbitset(uint64_t *bitset, Node *anodes, int i, int n,             # <<<<<<<<<<<<<<
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/* "discodop/_fragments.pyx":552
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 * 
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/* "discodop/_fragments.pyx":567
 * 
 * 
 * cdef inline int containsbitset(Node *a, Node *b, uint64_t *bitset,             # <<<<<<<<<<<<<<
 * 		short i, short j) nogil:
 * 	"""Test whether the fragment ``bitset`` at ``a[i]`` occurs at ``b[j]``."""
 */

static CYTHON_INLINE int __pyx_f_8discodop_10_fragments_containsbitset(struct __pyx_t_8discodop_10containers_Node *__pyx_v_a, struct __pyx_t_8discodop_10containers_Node *__pyx_v_b, uint64_t *__pyx_v_bitset, short __pyx_v_i, short __pyx_v_j) {
  int __pyx_r;
  int __pyx_t_1;

  /* "discodop/_fragments.pyx":570
 * 		short i, short j) nogil:
 * 	"""Test whether the fragment ``bitset`` at ``a[i]`` occurs at ``b[j]``."""
 * 	if a[i].prod != b[j].prod:             # <<<<<<<<<<<<<<
 * 		return 0
 * 	elif a[i].left < 0:
 */
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    /* "discodop/_fragments.pyx":571
 * 	"""Test whether the fragment ``bitset`` at ``a[i]`` occurs at ``b[j]``."""
 * 	if a[i].prod != b[j].prod:
 * 		return 0             # <<<<<<<<<<<<<<
 * 	elif a[i].left < 0:
 * 		return 1
 */
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    /* "discodop/_fragments.pyx":570
 * 		short i, short j) nogil:
 * 	"""Test whether the fragment ``bitset`` at ``a[i]`` occurs at ``b[j]``."""
 * 	if a[i].prod != b[j].prod:             # <<<<<<<<<<<<<<
 * 		return 0
 * 	elif a[i].left < 0:
 */
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  /* "discodop/_fragments.pyx":572
 * 	if a[i].prod != b[j].prod:
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 * 	elif a[i].left < 0:             # <<<<<<<<<<<<<<
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 * 		return 1
 * 	elif TESTBIT(bitset, a[i].left):
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 * 	elif TESTBIT(bitset, a[i].left):
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 * 	if a[i].right < 0:
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 * 				# the depth and frontiers of fragments; replace these
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 */
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 * 		for lfrag in table[nodes[i].left]:
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 * 			lfrontiers = getid(getpointer(lfrag), SLOTS)             # <<<<<<<<<<<<<<
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 * 			lfrontiers = getid(getpointer(lfrag), SLOTS)
 * 			if (ldepth + 1 <= maxdepth
 * 					and lfrontiers + 1 <= maxfrontier):             # <<<<<<<<<<<<<<
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 * 			lfrontiers = getid(getpointer(lfrag), SLOTS)
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 */
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 * 				# bitset with current idx + left bitset
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 * 				memset(<void *>scratch, 0, SLOTS * sizeof(uint64_t))
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 * 				table[i].append(wrap(scratch, SLOTS))
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 * 				setrootid(scratch, ldepth + 1, lfrontiers + 1, SLOTS)
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        if (!(likely(PyBytes_CheckExact(__pyx_t_6))||((__pyx_t_6) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "bytes", Py_TYPE(__pyx_t_6)->tp_name), 0))) __PYX_ERR(0, 774, __pyx_L1_error)
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 * 			# left node as frontier with all rfrags
 * 			for rfrag in table[nodes[i].right]:
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        /* "discodop/_fragments.pyx":776
 * 			for rfrag in table[nodes[i].right]:
 * 				rdepth = getroot(getpointer(rfrag), SLOTS)
 * 				rfrontiers = getid(getpointer(rfrag), SLOTS)             # <<<<<<<<<<<<<<
 * 				if (rdepth + 1 <= maxdepth
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        /* "discodop/_fragments.pyx":777
 * 				rdepth = getroot(getpointer(rfrag), SLOTS)
 * 				rfrontiers = getid(getpointer(rfrag), SLOTS)
 * 				if (rdepth + 1 <= maxdepth             # <<<<<<<<<<<<<<
 * 						and rfrontiers + 1 <= maxfrontier):
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        if (__pyx_t_7) {
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          goto __pyx_L17_bool_binop_done;
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        /* "discodop/_fragments.pyx":778
 * 				rfrontiers = getid(getpointer(rfrag), SLOTS)
 * 				if (rdepth + 1 <= maxdepth
 * 						and rfrontiers + 1 <= maxfrontier):             # <<<<<<<<<<<<<<
 * 					# bitset with current idx + right bitset
 * 					memset(<void *>scratch, 0, SLOTS * sizeof(uint64_t))
 */
        __pyx_t_7 = (((__pyx_v_rfrontiers + 1) <= __pyx_v_maxfrontier) != 0);
        __pyx_t_1 = __pyx_t_7;
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        /* "discodop/_fragments.pyx":777
 * 				rdepth = getroot(getpointer(rfrag), SLOTS)
 * 				rfrontiers = getid(getpointer(rfrag), SLOTS)
 * 				if (rdepth + 1 <= maxdepth             # <<<<<<<<<<<<<<
 * 						and rfrontiers + 1 <= maxfrontier):
 * 					# bitset with current idx + right bitset
 */
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          /* "discodop/_fragments.pyx":780
 * 						and rfrontiers + 1 <= maxfrontier):
 * 					# bitset with current idx + right bitset
 * 					memset(<void *>scratch, 0, SLOTS * sizeof(uint64_t))             # <<<<<<<<<<<<<<
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 * 					setunioninplace(scratch, getpointer(rfrag), SLOTS)
 */
          memset(((void *)__pyx_v_scratch), 0, (__pyx_v_SLOTS * (sizeof(uint64_t))));

          /* "discodop/_fragments.pyx":781
 * 					# bitset with current idx + right bitset
 * 					memset(<void *>scratch, 0, SLOTS * sizeof(uint64_t))
 * 					SETBIT(scratch, i)             # <<<<<<<<<<<<<<
 * 					setunioninplace(scratch, getpointer(rfrag), SLOTS)
 * 					setrootid(scratch, rdepth + 1, rfrontiers + 1, SLOTS)
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 */
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 * 			# left node as frontier with all rfrags
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 * 				lfrontiers = getid(getpointer(lfrag), SLOTS)
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 * 			for lfrag in table[nodes[i].left]:
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 * 				lfrontiers = getid(getpointer(lfrag), SLOTS)             # <<<<<<<<<<<<<<
 * 				for rfrag in table[nodes[i].right]:
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 * 				ldepth = getroot(getpointer(lfrag), SLOTS)
 * 				lfrontiers = getid(getpointer(lfrag), SLOTS)
 * 				for rfrag in table[nodes[i].right]:             # <<<<<<<<<<<<<<
 * 					rdepth = getroot(getpointer(rfrag), SLOTS)
 * 					rfrontiers = getid(getpointer(rfrag), SLOTS)
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 * 				for rfrag in table[nodes[i].right]:
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 * 				for rfrag in table[nodes[i].right]:
 * 					rdepth = getroot(getpointer(rfrag), SLOTS)
 * 					rfrontiers = getid(getpointer(rfrag), SLOTS)             # <<<<<<<<<<<<<<
 * 					if (max(ldepth, rdepth) + 1 <= maxdepth
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 * 					rdepth = getroot(getpointer(rfrag), SLOTS)
 * 					rfrontiers = getid(getpointer(rfrag), SLOTS)
 * 					if (max(ldepth, rdepth) + 1 <= maxdepth             # <<<<<<<<<<<<<<
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 * 					rfrontiers = getid(getpointer(rfrag), SLOTS)
 * 					if (max(ldepth, rdepth) + 1 <= maxdepth
 * 							and lfrontiers + rfrontiers <= maxfrontier):             # <<<<<<<<<<<<<<
 * 						# bitset with current idx + pairs of bitsets in l, r
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 * 					rdepth = getroot(getpointer(rfrag), SLOTS)
 * 					rfrontiers = getid(getpointer(rfrag), SLOTS)
 * 					if (max(ldepth, rdepth) + 1 <= maxdepth             # <<<<<<<<<<<<<<
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 * 							and lfrontiers + rfrontiers <= maxfrontier):
 * 						# bitset with current idx + pairs of bitsets in l, r
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 * 						# bitset with current idx + pairs of bitsets in l, r
 * 						memset(<void *>scratch, 0, SLOTS * sizeof(uint64_t))
 * 						SETBIT(scratch, i)             # <<<<<<<<<<<<<<
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 * 						memset(<void *>scratch, 0, SLOTS * sizeof(uint64_t))
 * 						SETBIT(scratch, i)
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 * 						setunioninplace(scratch, getpointer(rfrag), SLOTS)
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 * 						SETBIT(scratch, i)
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 * 						setunioninplace(scratch, getpointer(rfrag), SLOTS)             # <<<<<<<<<<<<<<
 * 						setrootid(scratch, max(ldepth, rdepth) + 1,
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 * 						setunioninplace(scratch, getpointer(lfrag), SLOTS)
 * 						setunioninplace(scratch, getpointer(rfrag), SLOTS)
 * 						setrootid(scratch, max(ldepth, rdepth) + 1,             # <<<<<<<<<<<<<<
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 * 						setunioninplace(scratch, getpointer(rfrag), SLOTS)
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 * 						setrootid(scratch, max(ldepth, rdepth) + 1,
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 * 			print('1' if TESTBIT(&matrix[m * SLOTS], n) else ' ', end='')             # <<<<<<<<<<<<<<
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 * 		for m in range(b.len):             # <<<<<<<<<<<<<<
 * 			print('\t', end='')
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 * 	for n in range(a.len):             # <<<<<<<<<<<<<<
 * 		print('\n%2d' % n, vocab.getlabel((<Node>anodes[n]).prod)[:3], end='')
 * 		for m in range(b.len):
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 * 			print('\t', end='')
 * 			print('1' if TESTBIT(&matrix[m * SLOTS], n) else ' ', end='')
 * 	print('\ncommon productions:', end=' ')             # <<<<<<<<<<<<<<
 * 	print(len({anodes[n].prod for n in range(a.len)} &
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 * 	print('\ncommon productions:', end=' ')
 * 	print(len({anodes[n].prod for n in range(a.len)} &             # <<<<<<<<<<<<<<
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 * 			print('1' if TESTBIT(&matrix[m * SLOTS], n) else ' ', end='')
 * 	print('\ncommon productions:', end=' ')
 * 	print(len({anodes[n].prod for n in range(a.len)} &             # <<<<<<<<<<<<<<
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 * 	print(len({anodes[n].prod for n in range(a.len)} &
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 * 	print('found:', end=' ')             # <<<<<<<<<<<<<<
 * 	print('horz', sum([abitcount(&matrix[n * SLOTS], SLOTS) > 0
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 * 			{bnodes[n].prod for n in range(b.len)}))
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 * 	print('horz', sum([abitcount(&matrix[n * SLOTS], SLOTS) > 0             # <<<<<<<<<<<<<<
 * 			for n in range(b.len)]),
 * 		'vert', sum([any([TESTBIT(&matrix[n * SLOTS], m)
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 * 	print('found:', end=' ')
 * 	print('horz', sum([abitcount(&matrix[n * SLOTS], SLOTS) > 0
 * 			for n in range(b.len)]),             # <<<<<<<<<<<<<<
 * 		'vert', sum([any([TESTBIT(&matrix[n * SLOTS], m)
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 * 			{bnodes[n].prod for n in range(b.len)}))
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 * 	print('horz', sum([abitcount(&matrix[n * SLOTS], SLOTS) > 0             # <<<<<<<<<<<<<<
 * 			for n in range(b.len)]),
 * 		'vert', sum([any([TESTBIT(&matrix[n * SLOTS], m)
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 * 	print('horz', sum([abitcount(&matrix[n * SLOTS], SLOTS) > 0
 * 			for n in range(b.len)]),
 * 		'vert', sum([any([TESTBIT(&matrix[n * SLOTS], m)             # <<<<<<<<<<<<<<
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 * 			for n in range(b.len)]),
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 * 			for n in range(b.len)]) for m in range(a.len)]),             # <<<<<<<<<<<<<<
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 * 	print('horz', sum([abitcount(&matrix[n * SLOTS], SLOTS) > 0
 * 			for n in range(b.len)]),
 * 		'vert', sum([any([TESTBIT(&matrix[n * SLOTS], m)             # <<<<<<<<<<<<<<
 * 			for n in range(b.len)]) for m in range(a.len)]),
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 * 			for n in range(b.len)]),
 * 		'vert', sum([any([TESTBIT(&matrix[n * SLOTS], m)
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 * 	print('horz', sum([abitcount(&matrix[n * SLOTS], SLOTS) > 0
 * 			for n in range(b.len)]),
 * 		'vert', sum([any([TESTBIT(&matrix[n * SLOTS], m)             # <<<<<<<<<<<<<<
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 * 		'vert', sum([any([TESTBIT(&matrix[n * SLOTS], m)
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 * 
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 * 	print('found:', end=' ')
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 * 			for n in range(b.len)]),
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 * 
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 * 			break
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 * 			while n < lenline and line[n] in ' \t\n':
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 * 				return -1  # unexpected end of string after opening paren
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 * 				return -2  # unexpected end of string after label
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 * 			nodes[idx].left = nodes[idx].right = nodes[idx].prod = -1
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 * 			idx += 1
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 * 						rule.rhs2 = rule.args = 0
 * 						rule.lengths = 1             # <<<<<<<<<<<<<<
 * 						prod = (<char *>&rule)[:sizeof(Rule)]
 * 				elif nodes[parent].right == -1:
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 * 						rule.rhs2 = rule.args = 0
 * 						rule.lengths = 1
 * 						prod = (<char *>&rule)[:sizeof(Rule)]             # <<<<<<<<<<<<<<
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 */
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 * 						rule.lengths = 1
 * 						prod = (<char *>&rule)[:sizeof(Rule)]
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 * 						prod = (<char *>&rule)[:sizeof(Rule)]
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 * 						rule.lhs, rule.rhs1, rule.rhs2 = (
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 * 								label, labels.data.as_ints[y], binlabel)
 * 						rule.args = rule.lengths = 0b10
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 * 				while n < lenline and line[n] in ' \t\n':
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 * 					return -4  # unexpected data after end of tree
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 */
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 * 			prod = terminal = None
 * 			cur = stack.pop()
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 * 			start = n
 * 			while n < lenline and line[n] not in ') \t\n':
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 */
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      /* "discodop/_fragments.pyx":1096
 * 			while n < lenline and line[n] not in ') \t\n':
 * 				n += 1
 * 			terminal = line[start:n]             # <<<<<<<<<<<<<<
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 * 				n += 1
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 * 				n += 1
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 * 			while n < lenline and line[n] in ' \t\n':             # <<<<<<<<<<<<<<
 * 				n += 1
 * 			if line[n] != ')':
 */
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        /* "discodop/_fragments.pyx":1098
 * 			terminal = line[start:n]
 * 			while n < lenline and line[n] in ' \t\n':
 * 				n += 1             # <<<<<<<<<<<<<<
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 * 			while n < lenline and line[n] in ' \t\n':
 * 				n += 1
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 * 		return -1
 * 	x = vec[a] & (~0UL << (pos % BITSIZE))             # <<<<<<<<<<<<<<
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 * 		if a == slots:
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 * 			return -1
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 * 			return -1             # <<<<<<<<<<<<<<
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 * 		a += 1
 * 		if a == slots:             # <<<<<<<<<<<<<<
 * 			return -1
 * 		x = vec[a]
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 * 		if a == slots:
 * 			return -1
 * 		x = vec[a]             # <<<<<<<<<<<<<<
 * 	return a * BITSIZE + bit_ctz(x)
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 */
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 * 
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 * 
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/* "bit.pxd":151
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static CYTHON_INLINE int __pyx_f_8discodop_3bit_anextunset(uint64_t *__pyx_v_vec, uint32_t __pyx_v_pos, int __pyx_v_slots) {
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 * 	cdef uint64_t x
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 * 	cdef uint64_t x
 * 	if a >= slots:             # <<<<<<<<<<<<<<
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 * 	cdef uint64_t x
 * 	if a >= slots:
 * 		return a * BITSIZE             # <<<<<<<<<<<<<<
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 * 	cdef uint64_t x
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 * 	if a >= slots:
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 * 	while x == ~0UL:             # <<<<<<<<<<<<<<
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 * 		if a == slots:
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 * 		a += 1             # <<<<<<<<<<<<<<
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 * 	while x == ~0UL:
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 * 		if a == slots:             # <<<<<<<<<<<<<<
 * 			return a * BITSIZE
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 * 		if a == slots:
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 * 		a += 1
 * 		if a == slots:             # <<<<<<<<<<<<<<
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 * 		if a == slots:
 * 			return a * BITSIZE
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 * 
 * cdef inline int anextunset(uint64_t *vec, uint32_t pos, int slots):             # <<<<<<<<<<<<<<
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 * 
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 * 
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 * 
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  struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree *p = (struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree *)o;
  if (p->__pyx_v_binlabels) {
    e = (*v)(p->__pyx_v_binlabels, a); if (e) return e;
  }
  if (p->__pyx_v_vocab) {
    e = (*v)(((PyObject*)p->__pyx_v_vocab), a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree *p = (struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree *)o;
  tmp = ((PyObject*)p->__pyx_v_binlabels);
  p->__pyx_v_binlabels = ((PyObject*)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_vocab);
  p->__pyx_v_vocab = ((struct __pyx_obj_8discodop_10containers_Vocabulary *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyTypeObject __pyx_type_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree = {
  PyVarObject_HEAD_INIT(0, 0)
  "discodop._fragments.__pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree", /*tp_name*/
  sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree, /*tp_dealloc*/
  0, /*tp_print*/
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree, /*tp_traverse*/
  __pyx_tp_clear_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  0, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
};

static struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr *__pyx_freelist_8discodop_10_fragments___pyx_scope_struct_3_genexpr[8];
static int __pyx_freecount_8discodop_10_fragments___pyx_scope_struct_3_genexpr = 0;

static PyObject *__pyx_tp_new_8discodop_10_fragments___pyx_scope_struct_3_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_8discodop_10_fragments___pyx_scope_struct_3_genexpr > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr)))) {
    o = (PyObject*)__pyx_freelist_8discodop_10_fragments___pyx_scope_struct_3_genexpr[--__pyx_freecount_8discodop_10_fragments___pyx_scope_struct_3_genexpr];
    memset(o, 0, sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  return o;
}

static void __pyx_tp_dealloc_8discodop_10_fragments___pyx_scope_struct_3_genexpr(PyObject *o) {
  struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr *p = (struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr *)o;
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->__pyx_outer_scope);
  Py_CLEAR(p->__pyx_v_x);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_8discodop_10_fragments___pyx_scope_struct_3_genexpr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr)))) {
    __pyx_freelist_8discodop_10_fragments___pyx_scope_struct_3_genexpr[__pyx_freecount_8discodop_10_fragments___pyx_scope_struct_3_genexpr++] = ((struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_8discodop_10_fragments___pyx_scope_struct_3_genexpr(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr *p = (struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr *)o;
  if (p->__pyx_outer_scope) {
    e = (*v)(((PyObject*)p->__pyx_outer_scope), a); if (e) return e;
  }
  if (p->__pyx_v_x) {
    e = (*v)(p->__pyx_v_x, a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_8discodop_10_fragments___pyx_scope_struct_3_genexpr(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr *p = (struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr *)o;
  tmp = ((PyObject*)p->__pyx_outer_scope);
  p->__pyx_outer_scope = ((struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_x);
  p->__pyx_v_x = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyTypeObject __pyx_type_8discodop_10_fragments___pyx_scope_struct_3_genexpr = {
  PyVarObject_HEAD_INIT(0, 0)
  "discodop._fragments.__pyx_scope_struct_3_genexpr", /*tp_name*/
  sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_3_genexpr), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_8discodop_10_fragments___pyx_scope_struct_3_genexpr, /*tp_dealloc*/
  0, /*tp_print*/
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_8discodop_10_fragments___pyx_scope_struct_3_genexpr, /*tp_traverse*/
  __pyx_tp_clear_8discodop_10_fragments___pyx_scope_struct_3_genexpr, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  0, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_8discodop_10_fragments___pyx_scope_struct_3_genexpr, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
};

static struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr *__pyx_freelist_8discodop_10_fragments___pyx_scope_struct_4_genexpr[8];
static int __pyx_freecount_8discodop_10_fragments___pyx_scope_struct_4_genexpr = 0;

static PyObject *__pyx_tp_new_8discodop_10_fragments___pyx_scope_struct_4_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_8discodop_10_fragments___pyx_scope_struct_4_genexpr > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr)))) {
    o = (PyObject*)__pyx_freelist_8discodop_10_fragments___pyx_scope_struct_4_genexpr[--__pyx_freecount_8discodop_10_fragments___pyx_scope_struct_4_genexpr];
    memset(o, 0, sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  return o;
}

static void __pyx_tp_dealloc_8discodop_10_fragments___pyx_scope_struct_4_genexpr(PyObject *o) {
  struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr *p = (struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr *)o;
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->__pyx_outer_scope);
  Py_CLEAR(p->__pyx_v_x);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_8discodop_10_fragments___pyx_scope_struct_4_genexpr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr)))) {
    __pyx_freelist_8discodop_10_fragments___pyx_scope_struct_4_genexpr[__pyx_freecount_8discodop_10_fragments___pyx_scope_struct_4_genexpr++] = ((struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_8discodop_10_fragments___pyx_scope_struct_4_genexpr(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr *p = (struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr *)o;
  if (p->__pyx_outer_scope) {
    e = (*v)(((PyObject*)p->__pyx_outer_scope), a); if (e) return e;
  }
  if (p->__pyx_v_x) {
    e = (*v)(p->__pyx_v_x, a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_8discodop_10_fragments___pyx_scope_struct_4_genexpr(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr *p = (struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr *)o;
  tmp = ((PyObject*)p->__pyx_outer_scope);
  p->__pyx_outer_scope = ((struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_x);
  p->__pyx_v_x = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyTypeObject __pyx_type_8discodop_10_fragments___pyx_scope_struct_4_genexpr = {
  PyVarObject_HEAD_INIT(0, 0)
  "discodop._fragments.__pyx_scope_struct_4_genexpr", /*tp_name*/
  sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_4_genexpr), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_8discodop_10_fragments___pyx_scope_struct_4_genexpr, /*tp_dealloc*/
  0, /*tp_print*/
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_8discodop_10_fragments___pyx_scope_struct_4_genexpr, /*tp_traverse*/
  __pyx_tp_clear_8discodop_10_fragments___pyx_scope_struct_4_genexpr, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  0, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_8discodop_10_fragments___pyx_scope_struct_4_genexpr, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
};

static struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr *__pyx_freelist_8discodop_10_fragments___pyx_scope_struct_5_genexpr[8];
static int __pyx_freecount_8discodop_10_fragments___pyx_scope_struct_5_genexpr = 0;

static PyObject *__pyx_tp_new_8discodop_10_fragments___pyx_scope_struct_5_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_8discodop_10_fragments___pyx_scope_struct_5_genexpr > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr)))) {
    o = (PyObject*)__pyx_freelist_8discodop_10_fragments___pyx_scope_struct_5_genexpr[--__pyx_freecount_8discodop_10_fragments___pyx_scope_struct_5_genexpr];
    memset(o, 0, sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  return o;
}

static void __pyx_tp_dealloc_8discodop_10_fragments___pyx_scope_struct_5_genexpr(PyObject *o) {
  struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr *p = (struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr *)o;
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->__pyx_outer_scope);
  Py_CLEAR(p->__pyx_v_x);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_8discodop_10_fragments___pyx_scope_struct_5_genexpr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr)))) {
    __pyx_freelist_8discodop_10_fragments___pyx_scope_struct_5_genexpr[__pyx_freecount_8discodop_10_fragments___pyx_scope_struct_5_genexpr++] = ((struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_8discodop_10_fragments___pyx_scope_struct_5_genexpr(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr *p = (struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr *)o;
  if (p->__pyx_outer_scope) {
    e = (*v)(((PyObject*)p->__pyx_outer_scope), a); if (e) return e;
  }
  if (p->__pyx_v_x) {
    e = (*v)(p->__pyx_v_x, a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_8discodop_10_fragments___pyx_scope_struct_5_genexpr(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr *p = (struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr *)o;
  tmp = ((PyObject*)p->__pyx_outer_scope);
  p->__pyx_outer_scope = ((struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_2___pyx_f_8discodop_10_fragments_readtree *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_x);
  p->__pyx_v_x = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyTypeObject __pyx_type_8discodop_10_fragments___pyx_scope_struct_5_genexpr = {
  PyVarObject_HEAD_INIT(0, 0)
  "discodop._fragments.__pyx_scope_struct_5_genexpr", /*tp_name*/
  sizeof(struct __pyx_obj_8discodop_10_fragments___pyx_scope_struct_5_genexpr), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_8discodop_10_fragments___pyx_scope_struct_5_genexpr, /*tp_dealloc*/
  0, /*tp_print*/
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_8discodop_10_fragments___pyx_scope_struct_5_genexpr, /*tp_traverse*/
  __pyx_tp_clear_8discodop_10_fragments___pyx_scope_struct_5_genexpr, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  0, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_8discodop_10_fragments___pyx_scope_struct_5_genexpr, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
};

static PyMethodDef __pyx_methods[] = {
  {"extractfragments", (PyCFunction)__pyx_pw_8discodop_10_fragments_1extractfragments, METH_VARARGS|METH_KEYWORDS, __pyx_doc_8discodop_10_fragments_extractfragments},
  {"exactcounts", (PyCFunction)__pyx_pw_8discodop_10_fragments_3exactcounts, METH_VARARGS|METH_KEYWORDS, __pyx_doc_8discodop_10_fragments_2exactcounts},
  {"exactcountsslice", (PyCFunction)__pyx_pw_8discodop_10_fragments_5exactcountsslice, METH_VARARGS|METH_KEYWORDS, __pyx_doc_8discodop_10_fragments_4exactcountsslice},
  {"completebitsets", (PyCFunction)__pyx_pw_8discodop_10_fragments_7completebitsets, METH_VARARGS|METH_KEYWORDS, __pyx_doc_8discodop_10_fragments_6completebitsets},
  {0, 0, 0, 0}
};

#if PY_MAJOR_VERSION >= 3
static struct PyModuleDef __pyx_moduledef = {
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    { PyObject_HEAD_INIT(NULL) NULL, 0, NULL },
  #else
    PyModuleDef_HEAD_INIT,
  #endif
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    -1, /* m_size */
    __pyx_methods /* m_methods */,
    NULL, /* m_reload */
    NULL, /* m_traverse */
    NULL, /* m_clear */
    NULL /* m_free */
};
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 * 	scratch = <uint64_t *>malloc((SLOTS + 2) * sizeof(uint64_t))
 * 	if matrix is NULL or scratch is NULL:
 * 		raise MemoryError('allocation error')             # <<<<<<<<<<<<<<
 * 	end2 = min(end2 or trees2.len, trees2.len)
 * 	# loop over tree pairs to extract fragments from
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 * 		scratch = <uint64_t *>malloc((SLOTS + 2) * sizeof(uint64_t))
 * 		if scratch is NULL:
 * 			raise MemoryError('allocation error')             # <<<<<<<<<<<<<<
 * 		setrootid(scratch, i, n, SLOTS)
 * 	elif TESTBIT(bitset, i):  # stop extracting for this fragment
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 * 	cdef uint64_t *scratch = <uint64_t *>malloc((SLOTS + 2) * sizeof(uint64_t))
 * 	if scratch is NULL:
 * 		raise MemoryError('allocation error')             # <<<<<<<<<<<<<<
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 * 		print('\n%2d' % n, vocab.getlabel((<Node>anodes[n]).prod)[:3], end='')
 * 		for m in range(b.len):
 * 			print('\t', end='')             # <<<<<<<<<<<<<<
 * 			print('1' if TESTBIT(&matrix[m * SLOTS], n) else ' ', end='')
 * 	print('\ncommon productions:', end=' ')
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 * 			print('\t', end='')
 * 			print('1' if TESTBIT(&matrix[m * SLOTS], n) else ' ', end='')
 * 	print('\ncommon productions:', end=' ')             # <<<<<<<<<<<<<<
 * 	print(len({anodes[n].prod for n in range(a.len)} &
 * 			{bnodes[n].prod for n in range(b.len)}))
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 * 	print(len({anodes[n].prod for n in range(a.len)} &
 * 			{bnodes[n].prod for n in range(b.len)}))
 * 	print('found:', end=' ')             # <<<<<<<<<<<<<<
 * 	print('horz', sum([abitcount(&matrix[n * SLOTS], SLOTS) > 0
 * 			for n in range(b.len)]),
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 * 				print('\t%s=%s' % ('terminal', vocab.getword(anodes[n].prod)))
 * 			else:
 * 				print('\tfrontier non-terminal')             # <<<<<<<<<<<<<<
 * 		else:
 * 			print()
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 * 	"""
 * 	def f(x):
 * 		return d[int(x.group(1))]             # <<<<<<<<<<<<<<
 * 	return f
 * 
 */
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 * 	"""
 * 	def f(x):             # <<<<<<<<<<<<<<
 * 		return d[int(x.group(1))]
 * 	return f
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 * 
 * def nonfrontier(sent):
 * 	def nonfrontierfun(x):             # <<<<<<<<<<<<<<
 * 		return isinstance(x[0], Tree) or sent[x[0]] is not None
 * 	return nonfrontierfun
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 * 		result[n].right = -1
 * 	elif isinstance(tree[1], int):  # a terminal index
 * 		raise ValueError('right child can only be non-terminal.')             # <<<<<<<<<<<<<<
 * 	else:  # binary node
 * 		result[n].right = idx[0]
 */
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 * 	scratch = <Node *>malloc(maxnodes * sizeof(Node))
 * 	if scratch is NULL:
 * 		raise MemoryError('allocation error')             # <<<<<<<<<<<<<<
 * 	if vocab is None:
 * 		vocab = Vocabulary()
 */
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 * 				scratch = <Node *>realloc(scratch, maxnodes * sizeof(Node))
 * 				if scratch is NULL:
 * 					raise MemoryError('allocation error')             # <<<<<<<<<<<<<<
 * 			cnt = 0
 * 			copynodes(tree, prodsintree, scratch, &cnt)
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 * 	scratch = <Node *>malloc(maxnodes * binfactor * sizeof(Node))
 * 	if scratch is NULL:
 * 		raise MemoryError('allocation error')             # <<<<<<<<<<<<<<
 * 	if fmt != 'bracket':
 * 		from .treebank import READERS
 */
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 * 						maxnodes * binfactor * sizeof(Node))
 * 				if scratch is NULL:
 * 					raise MemoryError('allocation error')             # <<<<<<<<<<<<<<
 * 			cnt = 0
 * 			copynodes(tree, prodsintree, scratch, &cnt)
 */
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 * 						maxnodes * binfactor * sizeof(Node))
 * 				if scratch is NULL:
 * 					raise MemoryError('allocation error')             # <<<<<<<<<<<<<<
 * 			cnt = readtree(line, vocab, scratch, stack, labels, children)
 * 			if cnt <= 0:
 */
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 * 						cnt, n, TREEPARSEMSG[-cnt], line))
 * 			ctrees.addnodes(scratch, cnt, 0)
 * 			del labels[:], children[:]             # <<<<<<<<<<<<<<
 * 		if not ctrees.len:
 * 			raise ValueError('%r appears to be empty' % treebankfile)
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  /* "discodop/_fragments.pyx":48
 * cdef array shortarray = array(b'h' if PY2 else 'h')
 * 
 * FRONTIERORTERMRE = re.compile(r' ([0-9]+)(?:=|:[0-9]+\b)')  # all leaves             # <<<<<<<<<<<<<<
 * TERMINDICESRE = re.compile(r'\([^(]+ ([0-9]+)=[^ ()]+\)')  # term. indices
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 * 
 * FRONTIERORTERMRE = re.compile(r' ([0-9]+)(?:=|:[0-9]+\b)')  # all leaves
 * TERMINDICESRE = re.compile(r'\([^(]+ ([0-9]+)=[^ ()]+\)')  # term. indices             # <<<<<<<<<<<<<<
 * FRONTIERRE = re.compile(r' ([0-9]+):([0-9]+)\b')  # non-terminal frontiers
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 */
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 * FRONTIERORTERMRE = re.compile(r' ([0-9]+)(?:=|:[0-9]+\b)')  # all leaves
 * TERMINDICESRE = re.compile(r'\([^(]+ ([0-9]+)=[^ ()]+\)')  # term. indices
 * FRONTIERRE = re.compile(r' ([0-9]+):([0-9]+)\b')  # non-terminal frontiers             # <<<<<<<<<<<<<<
 * TREEPARSEMSG = [
 * 		'0 nodes found',  # 0
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 * 
 * 
 * def allfragments(Ctrees trees, Vocabulary vocab,             # <<<<<<<<<<<<<<
 * 		int maxdepth, int maxfrontier=999, bint disc=True,
 * 		bint indices=False):
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 * 
 * 
 * def pygetsent(str frag):             # <<<<<<<<<<<<<<
 * 	"""Wrapper of ``getsent()`` to make doctests possible.
 * 
 */
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  #if CYTHON_FAST_PYCALL
#include "frameobject.h"
static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
                                               PyObject *globals) {
    PyFrameObject *f;
    PyThreadState *tstate = PyThreadState_GET();
    PyObject **fastlocals;
    Py_ssize_t i;
    PyObject *result;
    assert(globals != NULL);
    /* XXX Perhaps we should create a specialized
       PyFrame_New() that doesn't take locals, but does
       take builtins without sanity checking them.
       */
    assert(tstate != NULL);
    f = PyFrame_New(tstate, co, globals, NULL);
    if (f == NULL) {
        return NULL;
    }
    fastlocals = f->f_localsplus;
    for (i = 0; i < na; i++) {
        Py_INCREF(*args);
        fastlocals[i] = *args++;
    }
    result = PyEval_EvalFrameEx(f,0);
    ++tstate->recursion_depth;
    Py_DECREF(f);
    --tstate->recursion_depth;
    return result;
}
#if 1 || PY_VERSION_HEX < 0x030600B1
static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, int nargs, PyObject *kwargs) {
    PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
    PyObject *globals = PyFunction_GET_GLOBALS(func);
    PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
    PyObject *closure;
#if PY_MAJOR_VERSION >= 3
    PyObject *kwdefs;
#endif
    PyObject *kwtuple, **k;
    PyObject **d;
    Py_ssize_t nd;
    Py_ssize_t nk;
    PyObject *result;
    assert(kwargs == NULL || PyDict_Check(kwargs));
    nk = kwargs ? PyDict_Size(kwargs) : 0;
    if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
        return NULL;
    }
    if (
#if PY_MAJOR_VERSION >= 3
            co->co_kwonlyargcount == 0 &&
#endif
            likely(kwargs == NULL || nk == 0) &&
            co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
        if (argdefs == NULL && co->co_argcount == nargs) {
            result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
            goto done;
        }
        else if (nargs == 0 && argdefs != NULL
                 && co->co_argcount == Py_SIZE(argdefs)) {
            /* function called with no arguments, but all parameters have
               a default value: use default values as arguments .*/
            args = &PyTuple_GET_ITEM(argdefs, 0);
            result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
            goto done;
        }
    }
    if (kwargs != NULL) {
        Py_ssize_t pos, i;
        kwtuple = PyTuple_New(2 * nk);
        if (kwtuple == NULL) {
            result = NULL;
            goto done;
        }
        k = &PyTuple_GET_ITEM(kwtuple, 0);
        pos = i = 0;
        while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
            Py_INCREF(k[i]);
            Py_INCREF(k[i+1]);
            i += 2;
        }
        nk = i / 2;
    }
    else {
        kwtuple = NULL;
        k = NULL;
    }
    closure = PyFunction_GET_CLOSURE(func);
#if PY_MAJOR_VERSION >= 3
    kwdefs = PyFunction_GET_KW_DEFAULTS(func);
#endif
    if (argdefs != NULL) {
        d = &PyTuple_GET_ITEM(argdefs, 0);
        nd = Py_SIZE(argdefs);
    }
    else {
        d = NULL;
        nd = 0;
    }
#if PY_MAJOR_VERSION >= 3
    result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
                               args, nargs,
                               k, (int)nk,
                               d, (int)nd, kwdefs, closure);
#else
    result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
                               args, nargs,
                               k, (int)nk,
                               d, (int)nd, closure);
#endif
    Py_XDECREF(kwtuple);
done:
    Py_LeaveRecursiveCall();
    return result;
}
#endif  // CPython < 3.6
#endif  // CYTHON_FAST_PYCALL

/* PyObjectCall */
  #if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
    PyObject *result;
    ternaryfunc call = func->ob_type->tp_call;
    if (unlikely(!call))
        return PyObject_Call(func, arg, kw);
    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
        return NULL;
    result = (*call)(func, arg, kw);
    Py_LeaveRecursiveCall();
    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
        PyErr_SetString(
            PyExc_SystemError,
            "NULL result without error in PyObject_Call");
    }
    return result;
}
#endif

/* PyObjectCallMethO */
  #if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
    PyObject *self, *result;
    PyCFunction cfunc;
    cfunc = PyCFunction_GET_FUNCTION(func);
    self = PyCFunction_GET_SELF(func);
    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
        return NULL;
    result = cfunc(self, arg);
    Py_LeaveRecursiveCall();
    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
        PyErr_SetString(
            PyExc_SystemError,
            "NULL result without error in PyObject_Call");
    }
    return result;
}
#endif

/* PyObjectCallOneArg */
  #if CYTHON_COMPILING_IN_CPYTHON
static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
    PyObject *result;
    PyObject *args = PyTuple_New(1);
    if (unlikely(!args)) return NULL;
    Py_INCREF(arg);
    PyTuple_SET_ITEM(args, 0, arg);
    result = __Pyx_PyObject_Call(func, args, NULL);
    Py_DECREF(args);
    return result;
}
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
#if CYTHON_FAST_PYCALL
    if (PyFunction_Check(func)) {
        return __Pyx_PyFunction_FastCall(func, &arg, 1);
    }
#endif
#ifdef __Pyx_CyFunction_USED
    if (likely(PyCFunction_Check(func) || PyObject_TypeCheck(func, __pyx_CyFunctionType))) {
#else
    if (likely(PyCFunction_Check(func))) {
#endif
        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
            return __Pyx_PyObject_CallMethO(func, arg);
#if CYTHON_FAST_PYCCALL
        } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) {
            return __Pyx_PyCFunction_FastCall(func, &arg, 1);
#endif
        }
    }
    return __Pyx__PyObject_CallOneArg(func, arg);
}
#else
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
    PyObject *result;
    PyObject *args = PyTuple_Pack(1, arg);
    if (unlikely(!args)) return NULL;
    result = __Pyx_PyObject_Call(func, args, NULL);
    Py_DECREF(args);
    return result;
}
#endif

/* RaiseException */
    #if PY_MAJOR_VERSION < 3
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
                        CYTHON_UNUSED PyObject *cause) {
    __Pyx_PyThreadState_declare
    Py_XINCREF(type);
    if (!value || value == Py_None)
        value = NULL;
    else
        Py_INCREF(value);
    if (!tb || tb == Py_None)
        tb = NULL;
    else {
        Py_INCREF(tb);
        if (!PyTraceBack_Check(tb)) {
            PyErr_SetString(PyExc_TypeError,
                "raise: arg 3 must be a traceback or None");
            goto raise_error;
        }
    }
    if (PyType_Check(type)) {
#if CYTHON_COMPILING_IN_PYPY
        if (!value) {
            Py_INCREF(Py_None);
            value = Py_None;
        }
#endif
        PyErr_NormalizeException(&type, &value, &tb);
    } else {
        if (value) {
            PyErr_SetString(PyExc_TypeError,
                "instance exception may not have a separate value");
            goto raise_error;
        }
        value = type;
        type = (PyObject*) Py_TYPE(type);
        Py_INCREF(type);
        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
            PyErr_SetString(PyExc_TypeError,
                "raise: exception class must be a subclass of BaseException");
            goto raise_error;
        }
    }
    __Pyx_PyThreadState_assign
    __Pyx_ErrRestore(type, value, tb);
    return;
raise_error:
    Py_XDECREF(value);
    Py_XDECREF(type);
    Py_XDECREF(tb);
    return;
}
#else
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
    PyObject* owned_instance = NULL;
    if (tb == Py_None) {
        tb = 0;
    } else if (tb && !PyTraceBack_Check(tb)) {
        PyErr_SetString(PyExc_TypeError,
            "raise: arg 3 must be a traceback or None");
        goto bad;
    }
    if (value == Py_None)
        value = 0;
    if (PyExceptionInstance_Check(type)) {
        if (value) {
            PyErr_SetString(PyExc_TypeError,
                "instance exception may not have a separate value");
            goto bad;
        }
        value = type;
        type = (PyObject*) Py_TYPE(value);
    } else if (PyExceptionClass_Check(type)) {
        PyObject *instance_class = NULL;
        if (value && PyExceptionInstance_Check(value)) {
            instance_class = (PyObject*) Py_TYPE(value);
            if (instance_class != type) {
                int is_subclass = PyObject_IsSubclass(instance_class, type);
                if (!is_subclass) {
                    instance_class = NULL;
                } else if (unlikely(is_subclass == -1)) {
                    goto bad;
                } else {
                    type = instance_class;
                }
            }
        }
        if (!instance_class) {
            PyObject *args;
            if (!value)
                args = PyTuple_New(0);
            else if (PyTuple_Check(value)) {
                Py_INCREF(value);
                args = value;
            } else
                args = PyTuple_Pack(1, value);
            if (!args)
                goto bad;
            owned_instance = PyObject_Call(type, args, NULL);
            Py_DECREF(args);
            if (!owned_instance)
                goto bad;
            value = owned_instance;
            if (!PyExceptionInstance_Check(value)) {
                PyErr_Format(PyExc_TypeError,
                             "calling %R should have returned an instance of "
                             "BaseException, not %R",
                             type, Py_TYPE(value));
                goto bad;
            }
        }
    } else {
        PyErr_SetString(PyExc_TypeError,
            "raise: exception class must be a subclass of BaseException");
        goto bad;
    }
#if PY_VERSION_HEX >= 0x03030000
    if (cause) {
#else
    if (cause && cause != Py_None) {
#endif
        PyObject *fixed_cause;
        if (cause == Py_None) {
            fixed_cause = NULL;
        } else if (PyExceptionClass_Check(cause)) {
            fixed_cause = PyObject_CallObject(cause, NULL);
            if (fixed_cause == NULL)
                goto bad;
        } else if (PyExceptionInstance_Check(cause)) {
            fixed_cause = cause;
            Py_INCREF(fixed_cause);
        } else {
            PyErr_SetString(PyExc_TypeError,
                            "exception causes must derive from "
                            "BaseException");
            goto bad;
        }
        PyException_SetCause(value, fixed_cause);
    }
    PyErr_SetObject(type, value);
    if (tb) {
#if CYTHON_COMPILING_IN_PYPY
        PyObject *tmp_type, *tmp_value, *tmp_tb;
        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
        Py_INCREF(tb);
        PyErr_Restore(tmp_type, tmp_value, tb);
        Py_XDECREF(tmp_tb);
#else
        PyThreadState *tstate = PyThreadState_GET();
        PyObject* tmp_tb = tstate->curexc_traceback;
        if (tb != tmp_tb) {
            Py_INCREF(tb);
            tstate->curexc_traceback = tb;
            Py_XDECREF(tmp_tb);
        }
#endif
    }
bad:
    Py_XDECREF(owned_instance);
    return;
}
#endif

/* RaiseArgTupleInvalid */
      static void __Pyx_RaiseArgtupleInvalid(
    const char* func_name,
    int exact,
    Py_ssize_t num_min,
    Py_ssize_t num_max,
    Py_ssize_t num_found)
{
    Py_ssize_t num_expected;
    const char *more_or_less;
    if (num_found < num_min) {
        num_expected = num_min;
        more_or_less = "at least";
    } else {
        num_expected = num_max;
        more_or_less = "at most";
    }
    if (exact) {
        more_or_less = "exactly";
    }
    PyErr_Format(PyExc_TypeError,
                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
                 func_name, more_or_less, num_expected,
                 (num_expected == 1) ? "" : "s", num_found);
}

/* RaiseDoubleKeywords */
      static void __Pyx_RaiseDoubleKeywordsError(
    const char* func_name,
    PyObject* kw_name)
{
    PyErr_Format(PyExc_TypeError,
        #if PY_MAJOR_VERSION >= 3
        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
        #else
        "%s() got multiple values for keyword argument '%s'", func_name,
        PyString_AsString(kw_name));
        #endif
}

/* ParseKeywords */
      static int __Pyx_ParseOptionalKeywords(
    PyObject *kwds,
    PyObject **argnames[],
    PyObject *kwds2,
    PyObject *values[],
    Py_ssize_t num_pos_args,
    const char* function_name)
{
    PyObject *key = 0, *value = 0;
    Py_ssize_t pos = 0;
    PyObject*** name;
    PyObject*** first_kw_arg = argnames + num_pos_args;
    while (PyDict_Next(kwds, &pos, &key, &value)) {
        name = first_kw_arg;
        while (*name && (**name != key)) name++;
        if (*name) {
            values[name-argnames] = value;
            continue;
        }
        name = first_kw_arg;
        #if PY_MAJOR_VERSION < 3
        if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
            while (*name) {
                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
                        && _PyString_Eq(**name, key)) {
                    values[name-argnames] = value;
                    break;
                }
                name++;
            }
            if (*name) continue;
            else {
                PyObject*** argname = argnames;
                while (argname != first_kw_arg) {
                    if ((**argname == key) || (
                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
                             && _PyString_Eq(**argname, key))) {
                        goto arg_passed_twice;
                    }
                    argname++;
                }
            }
        } else
        #endif
        if (likely(PyUnicode_Check(key))) {
            while (*name) {
                int cmp = (**name == key) ? 0 :
                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
                #endif
                    PyUnicode_Compare(**name, key);
                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                if (cmp == 0) {
                    values[name-argnames] = value;
                    break;
                }
                name++;
            }
            if (*name) continue;
            else {
                PyObject*** argname = argnames;
                while (argname != first_kw_arg) {
                    int cmp = (**argname == key) ? 0 :
                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
                    #endif
                        PyUnicode_Compare(**argname, key);
                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                    if (cmp == 0) goto arg_passed_twice;
                    argname++;
                }
            }
        } else
            goto invalid_keyword_type;
        if (kwds2) {
            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
        } else {
            goto invalid_keyword;
        }
    }
    return 0;
arg_passed_twice:
    __Pyx_RaiseDoubleKeywordsError(function_name, key);
    goto bad;
invalid_keyword_type:
    PyErr_Format(PyExc_TypeError,
        "%.200s() keywords must be strings", function_name);
    goto bad;
invalid_keyword:
    PyErr_Format(PyExc_TypeError,
    #if PY_MAJOR_VERSION < 3
        "%.200s() got an unexpected keyword argument '%.200s'",
        function_name, PyString_AsString(key));
    #else
        "%s() got an unexpected keyword argument '%U'",
        function_name, key);
    #endif
bad:
    return -1;
}

/* ArgTypeTest */
      static void __Pyx_RaiseArgumentTypeInvalid(const char* name, PyObject *obj, PyTypeObject *type) {
    PyErr_Format(PyExc_TypeError,
        "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)",
        name, type->tp_name, Py_TYPE(obj)->tp_name);
}
static CYTHON_INLINE int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
    const char *name, int exact)
{
    if (unlikely(!type)) {
        PyErr_SetString(PyExc_SystemError, "Missing type object");
        return 0;
    }
    if (none_allowed && obj == Py_None) return 1;
    else if (exact) {
        if (likely(Py_TYPE(obj) == type)) return 1;
        #if PY_MAJOR_VERSION == 2
        else if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1;
        #endif
    }
    else {
        if (likely(PyObject_TypeCheck(obj, type))) return 1;
    }
    __Pyx_RaiseArgumentTypeInvalid(name, obj, type);
    return 0;
}

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

/* GetException */
      #if CYTHON_FAST_THREAD_STATE
static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
#else
static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
#endif
    PyObject *local_type, *local_value, *local_tb;
#if CYTHON_FAST_THREAD_STATE
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    local_type = tstate->curexc_type;
    local_value = tstate->curexc_value;
    local_tb = tstate->curexc_traceback;
    tstate->curexc_type = 0;
    tstate->curexc_value = 0;
    tstate->curexc_traceback = 0;
#else
    PyErr_Fetch(&local_type, &local_value, &local_tb);
#endif
    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
#if CYTHON_FAST_THREAD_STATE
    if (unlikely(tstate->curexc_type))
#else
    if (unlikely(PyErr_Occurred()))
#endif
        goto bad;
    #if PY_MAJOR_VERSION >= 3
    if (local_tb) {
        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
            goto bad;
    }
    #endif
    Py_XINCREF(local_tb);
    Py_XINCREF(local_type);
    Py_XINCREF(local_value);
    *type = local_type;
    *value = local_value;
    *tb = local_tb;
#if CYTHON_FAST_THREAD_STATE
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = local_type;
    tstate->exc_value = local_value;
    tstate->exc_traceback = local_tb;
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
#else
    PyErr_SetExcInfo(local_type, local_value, local_tb);
#endif
    return 0;
bad:
    *type = 0;
    *value = 0;
    *tb = 0;
    Py_XDECREF(local_type);
    Py_XDECREF(local_value);
    Py_XDECREF(local_tb);
    return -1;
}

/* SliceObject */
        static CYTHON_INLINE int __Pyx_PyObject_SetSlice(PyObject* obj, PyObject* value,
        Py_ssize_t cstart, Py_ssize_t cstop,
        PyObject** _py_start, PyObject** _py_stop, PyObject** _py_slice,
        int has_cstart, int has_cstop, CYTHON_UNUSED int wraparound) {
#if CYTHON_USE_TYPE_SLOTS
    PyMappingMethods* mp;
#if PY_MAJOR_VERSION < 3
    PySequenceMethods* ms = Py_TYPE(obj)->tp_as_sequence;
    if (likely(ms && ms->sq_ass_slice)) {
        if (!has_cstart) {
            if (_py_start && (*_py_start != Py_None)) {
                cstart = __Pyx_PyIndex_AsSsize_t(*_py_start);
                if ((cstart == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
            } else
                cstart = 0;
        }
        if (!has_cstop) {
            if (_py_stop && (*_py_stop != Py_None)) {
                cstop = __Pyx_PyIndex_AsSsize_t(*_py_stop);
                if ((cstop == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
            } else
                cstop = PY_SSIZE_T_MAX;
        }
        if (wraparound && unlikely((cstart < 0) | (cstop < 0)) && likely(ms->sq_length)) {
            Py_ssize_t l = ms->sq_length(obj);
            if (likely(l >= 0)) {
                if (cstop < 0) {
                    cstop += l;
                    if (cstop < 0) cstop = 0;
                }
                if (cstart < 0) {
                    cstart += l;
                    if (cstart < 0) cstart = 0;
                }
            } else {
                if (!PyErr_ExceptionMatches(PyExc_OverflowError))
                    goto bad;
                PyErr_Clear();
            }
        }
        return ms->sq_ass_slice(obj, cstart, cstop, value);
    }
#endif
    mp = Py_TYPE(obj)->tp_as_mapping;
    if (likely(mp && mp->mp_ass_subscript))
#endif
    {
        int result;
        PyObject *py_slice, *py_start, *py_stop;
        if (_py_slice) {
            py_slice = *_py_slice;
        } else {
            PyObject* owned_start = NULL;
            PyObject* owned_stop = NULL;
            if (_py_start) {
                py_start = *_py_start;
            } else {
                if (has_cstart) {
                    owned_start = py_start = PyInt_FromSsize_t(cstart);
                    if (unlikely(!py_start)) goto bad;
                } else
                    py_start = Py_None;
            }
            if (_py_stop) {
                py_stop = *_py_stop;
            } else {
                if (has_cstop) {
                    owned_stop = py_stop = PyInt_FromSsize_t(cstop);
                    if (unlikely(!py_stop)) {
                        Py_XDECREF(owned_start);
                        goto bad;
                    }
                } else
                    py_stop = Py_None;
            }
            py_slice = PySlice_New(py_start, py_stop, Py_None);
            Py_XDECREF(owned_start);
            Py_XDECREF(owned_stop);
            if (unlikely(!py_slice)) goto bad;
        }
#if CYTHON_USE_TYPE_SLOTS
        result = mp->mp_ass_subscript(obj, py_slice, value);
#else
        result = value ? PyObject_SetItem(obj, py_slice, value) : PyObject_DelItem(obj, py_slice);
#endif
        if (!_py_slice) {
            Py_DECREF(py_slice);
        }
        return result;
    }
    PyErr_Format(PyExc_TypeError,
        "'%.200s' object does not support slice %.10s",
        Py_TYPE(obj)->tp_name, value ? "assignment" : "deletion");
bad:
    return -1;
}

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

/* PyObjectCallNoArg */
        #if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
#if CYTHON_FAST_PYCALL
    if (PyFunction_Check(func)) {
        return __Pyx_PyFunction_FastCall(func, NULL, 0);
    }
#endif
#ifdef __Pyx_CyFunction_USED
    if (likely(PyCFunction_Check(func) || PyObject_TypeCheck(func, __pyx_CyFunctionType))) {
#else
    if (likely(PyCFunction_Check(func))) {
#endif
        if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) {
            return __Pyx_PyObject_CallMethO(func, NULL);
        }
    }
    return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL);
}
#endif

/* GetItemInt */
          static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
    PyObject *r;
    if (!j) return NULL;
    r = PyObject_GetItem(o, j);
    Py_DECREF(j);
    return r;
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
                                                              CYTHON_NCP_UNUSED int wraparound,
                                                              CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
    if (wraparound & unlikely(i < 0)) i += PyList_GET_SIZE(o);
    if ((!boundscheck) || likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
        PyObject *r = PyList_GET_ITEM(o, i);
        Py_INCREF(r);
        return r;
    }
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
    return PySequence_GetItem(o, i);
#endif
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
                                                              CYTHON_NCP_UNUSED int wraparound,
                                                              CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
    if (wraparound & unlikely(i < 0)) i += PyTuple_GET_SIZE(o);
    if ((!boundscheck) || likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
        PyObject *r = PyTuple_GET_ITEM(o, i);
        Py_INCREF(r);
        return r;
    }
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
    return PySequence_GetItem(o, i);
#endif
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
                                                     CYTHON_NCP_UNUSED int wraparound,
                                                     CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
    if (is_list || PyList_CheckExact(o)) {
        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
        if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
            PyObject *r = PyList_GET_ITEM(o, n);
            Py_INCREF(r);
            return r;
        }
    }
    else if (PyTuple_CheckExact(o)) {
        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
        if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
            PyObject *r = PyTuple_GET_ITEM(o, n);
            Py_INCREF(r);
            return r;
        }
    } else {
        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
        if (likely(m && m->sq_item)) {
            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
                Py_ssize_t l = m->sq_length(o);
                if (likely(l >= 0)) {
                    i += l;
                } else {
                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
                        return NULL;
                    PyErr_Clear();
                }
            }
            return m->sq_item(o, i);
        }
    }
#else
    if (is_list || PySequence_Check(o)) {
        return PySequence_GetItem(o, i);
    }
#endif
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
}

/* SetItemInt */
          static CYTHON_INLINE int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v) {
    int r;
    if (!j) return -1;
    r = PyObject_SetItem(o, j, v);
    Py_DECREF(j);
    return r;
}
static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v, int is_list,
                                               CYTHON_NCP_UNUSED int wraparound, CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
    if (is_list || PyList_CheckExact(o)) {
        Py_ssize_t n = (!wraparound) ? i : ((likely(i >= 0)) ? i : i + PyList_GET_SIZE(o));
        if ((!boundscheck) || likely((n >= 0) & (n < PyList_GET_SIZE(o)))) {
            PyObject* old = PyList_GET_ITEM(o, n);
            Py_INCREF(v);
            PyList_SET_ITEM(o, n, v);
            Py_DECREF(old);
            return 1;
        }
    } else {
        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
        if (likely(m && m->sq_ass_item)) {
            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
                Py_ssize_t l = m->sq_length(o);
                if (likely(l >= 0)) {
                    i += l;
                } else {
                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
                        return -1;
                    PyErr_Clear();
                }
            }
            return m->sq_ass_item(o, i, v);
        }
    }
#else
#if CYTHON_COMPILING_IN_PYPY
    if (is_list || (PySequence_Check(o) && !PyDict_Check(o))) {
#else
    if (is_list || PySequence_Check(o)) {
#endif
        return PySequence_SetItem(o, i, v);
    }
#endif
    return __Pyx_SetItemInt_Generic(o, PyInt_FromSsize_t(i), v);
}

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

/* RaiseTooManyValuesToUnpack */
            static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
    PyErr_Format(PyExc_ValueError,
                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
}

/* RaiseNeedMoreValuesToUnpack */
            static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
    PyErr_Format(PyExc_ValueError,
                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
                 index, (index == 1) ? "" : "s");
}

/* IterFinish */
            static CYTHON_INLINE int __Pyx_IterFinish(void) {
#if CYTHON_FAST_THREAD_STATE
    PyThreadState *tstate = PyThreadState_GET();
    PyObject* exc_type = tstate->curexc_type;
    if (unlikely(exc_type)) {
        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
            PyObject *exc_value, *exc_tb;
            exc_value = tstate->curexc_value;
            exc_tb = tstate->curexc_traceback;
            tstate->curexc_type = 0;
            tstate->curexc_value = 0;
            tstate->curexc_traceback = 0;
            Py_DECREF(exc_type);
            Py_XDECREF(exc_value);
            Py_XDECREF(exc_tb);
            return 0;
        } else {
            return -1;
        }
    }
    return 0;
#else
    if (unlikely(PyErr_Occurred())) {
        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
            PyErr_Clear();
            return 0;
        } else {
            return -1;
        }
    }
    return 0;
#endif
}

/* UnpackItemEndCheck */
            static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
    if (unlikely(retval)) {
        Py_DECREF(retval);
        __Pyx_RaiseTooManyValuesError(expected);
        return -1;
    } else {
        return __Pyx_IterFinish();
    }
    return 0;
}

/* PyObjectCallMethod1 */
            static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg) {
    PyObject *method, *result = NULL;
    method = __Pyx_PyObject_GetAttrStr(obj, method_name);
    if (unlikely(!method)) goto done;
#if CYTHON_UNPACK_METHODS
    if (likely(PyMethod_Check(method))) {
        PyObject *self = PyMethod_GET_SELF(method);
        if (likely(self)) {
            PyObject *args;
            PyObject *function = PyMethod_GET_FUNCTION(method);
            #if CYTHON_FAST_PYCALL
            if (PyFunction_Check(function)) {
                PyObject *args[2] = {self, arg};
                result = __Pyx_PyFunction_FastCall(function, args, 2);
                goto done;
            }
            #endif
            #if CYTHON_FAST_PYCCALL
            if (__Pyx_PyFastCFunction_Check(function)) {
                PyObject *args[2] = {self, arg};
                result = __Pyx_PyCFunction_FastCall(function, args, 2);
                goto done;
            }
            #endif
            args = PyTuple_New(2);
            if (unlikely(!args)) goto done;
            Py_INCREF(self);
            PyTuple_SET_ITEM(args, 0, self);
            Py_INCREF(arg);
            PyTuple_SET_ITEM(args, 1, arg);
            Py_INCREF(function);
            Py_DECREF(method); method = NULL;
            result = __Pyx_PyObject_Call(function, args, NULL);
            Py_DECREF(args);
            Py_DECREF(function);
            return result;
        }
    }
#endif
    result = __Pyx_PyObject_CallOneArg(method, arg);
done:
    Py_XDECREF(method);
    return result;
}

/* append */
            static CYTHON_INLINE int __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
    if (likely(PyList_CheckExact(L))) {
        if (unlikely(__Pyx_PyList_Append(L, x) < 0)) return -1;
    } else {
        PyObject* retval = __Pyx_PyObject_CallMethod1(L, __pyx_n_s_append, x);
        if (unlikely(!retval))
            return -1;
        Py_DECREF(retval);
    }
    return 0;
}

/* PyUnicode_Substring */
            static CYTHON_INLINE PyObject* __Pyx_PyUnicode_Substring(
            PyObject* text, Py_ssize_t start, Py_ssize_t stop) {
    Py_ssize_t length;
    if (unlikely(__Pyx_PyUnicode_READY(text) == -1)) return NULL;
    length = __Pyx_PyUnicode_GET_LENGTH(text);
    if (start < 0) {
        start += length;
        if (start < 0)
            start = 0;
    }
    if (stop < 0)
        stop += length;
    else if (stop > length)
        stop = length;
    length = stop - start;
    if (length <= 0)
        return PyUnicode_FromUnicode(NULL, 0);
#if CYTHON_PEP393_ENABLED
    return PyUnicode_FromKindAndData(PyUnicode_KIND(text),
        PyUnicode_1BYTE_DATA(text) + start*PyUnicode_KIND(text), stop-start);
#else
    return PyUnicode_FromUnicode(PyUnicode_AS_UNICODE(text)+start, stop-start);
#endif
}

/* None */
            static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname) {
    PyErr_Format(PyExc_NameError, "free variable '%s' referenced before assignment in enclosing scope", varname);
}

/* FetchCommonType */
            static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
    PyObject* fake_module;
    PyTypeObject* cached_type = NULL;
    fake_module = PyImport_AddModule((char*) "_cython_" CYTHON_ABI);
    if (!fake_module) return NULL;
    Py_INCREF(fake_module);
    cached_type = (PyTypeObject*) PyObject_GetAttrString(fake_module, type->tp_name);
    if (cached_type) {
        if (!PyType_Check((PyObject*)cached_type)) {
            PyErr_Format(PyExc_TypeError,
                "Shared Cython type %.200s is not a type object",
                type->tp_name);
            goto bad;
        }
        if (cached_type->tp_basicsize != type->tp_basicsize) {
            PyErr_Format(PyExc_TypeError,
                "Shared Cython type %.200s has the wrong size, try recompiling",
                type->tp_name);
            goto bad;
        }
    } else {
        if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
        PyErr_Clear();
        if (PyType_Ready(type) < 0) goto bad;
        if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0)
            goto bad;
        Py_INCREF(type);
        cached_type = type;
    }
done:
    Py_DECREF(fake_module);
    return cached_type;
bad:
    Py_XDECREF(cached_type);
    cached_type = NULL;
    goto done;
}

/* CythonFunction */
            static PyObject *
__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *closure)
{
    if (unlikely(op->func_doc == NULL)) {
        if (op->func.m_ml->ml_doc) {
#if PY_MAJOR_VERSION >= 3
            op->func_doc = PyUnicode_FromString(op->func.m_ml->ml_doc);
#else
            op->func_doc = PyString_FromString(op->func.m_ml->ml_doc);
#endif
            if (unlikely(op->func_doc == NULL))
                return NULL;
        } else {
            Py_INCREF(Py_None);
            return Py_None;
        }
    }
    Py_INCREF(op->func_doc);
    return op->func_doc;
}
static int
__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value)
{
    PyObject *tmp = op->func_doc;
    if (value == NULL) {
        value = Py_None;
    }
    Py_INCREF(value);
    op->func_doc = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op)
{
    if (unlikely(op->func_name == NULL)) {
#if PY_MAJOR_VERSION >= 3
        op->func_name = PyUnicode_InternFromString(op->func.m_ml->ml_name);
#else
        op->func_name = PyString_InternFromString(op->func.m_ml->ml_name);
#endif
        if (unlikely(op->func_name == NULL))
            return NULL;
    }
    Py_INCREF(op->func_name);
    return op->func_name;
}
static int
__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value)
{
    PyObject *tmp;
#if PY_MAJOR_VERSION >= 3
    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
#else
    if (unlikely(value == NULL || !PyString_Check(value))) {
#endif
        PyErr_SetString(PyExc_TypeError,
                        "__name__ must be set to a string object");
        return -1;
    }
    tmp = op->func_name;
    Py_INCREF(value);
    op->func_name = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op)
{
    Py_INCREF(op->func_qualname);
    return op->func_qualname;
}
static int
__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value)
{
    PyObject *tmp;
#if PY_MAJOR_VERSION >= 3
    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
#else
    if (unlikely(value == NULL || !PyString_Check(value))) {
#endif
        PyErr_SetString(PyExc_TypeError,
                        "__qualname__ must be set to a string object");
        return -1;
    }
    tmp = op->func_qualname;
    Py_INCREF(value);
    op->func_qualname = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_self(__pyx_CyFunctionObject *m, CYTHON_UNUSED void *closure)
{
    PyObject *self;
    self = m->func_closure;
    if (self == NULL)
        self = Py_None;
    Py_INCREF(self);
    return self;
}
static PyObject *
__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op)
{
    if (unlikely(op->func_dict == NULL)) {
        op->func_dict = PyDict_New();
        if (unlikely(op->func_dict == NULL))
            return NULL;
    }
    Py_INCREF(op->func_dict);
    return op->func_dict;
}
static int
__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value)
{
    PyObject *tmp;
    if (unlikely(value == NULL)) {
        PyErr_SetString(PyExc_TypeError,
               "function's dictionary may not be deleted");
        return -1;
    }
    if (unlikely(!PyDict_Check(value))) {
        PyErr_SetString(PyExc_TypeError,
               "setting function's dictionary to a non-dict");
        return -1;
    }
    tmp = op->func_dict;
    Py_INCREF(value);
    op->func_dict = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op)
{
    Py_INCREF(op->func_globals);
    return op->func_globals;
}
static PyObject *
__Pyx_CyFunction_get_closure(CYTHON_UNUSED __pyx_CyFunctionObject *op)
{
    Py_INCREF(Py_None);
    return Py_None;
}
static PyObject *
__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op)
{
    PyObject* result = (op->func_code) ? op->func_code : Py_None;
    Py_INCREF(result);
    return result;
}
static int
__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
    int result = 0;
    PyObject *res = op->defaults_getter((PyObject *) op);
    if (unlikely(!res))
        return -1;
    #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
    Py_INCREF(op->defaults_tuple);
    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
    Py_INCREF(op->defaults_kwdict);
    #else
    op->defaults_tuple = PySequence_ITEM(res, 0);
    if (unlikely(!op->defaults_tuple)) result = -1;
    else {
        op->defaults_kwdict = PySequence_ITEM(res, 1);
        if (unlikely(!op->defaults_kwdict)) result = -1;
    }
    #endif
    Py_DECREF(res);
    return result;
}
static int
__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value) {
    PyObject* tmp;
    if (!value) {
        value = Py_None;
    } else if (value != Py_None && !PyTuple_Check(value)) {
        PyErr_SetString(PyExc_TypeError,
                        "__defaults__ must be set to a tuple object");
        return -1;
    }
    Py_INCREF(value);
    tmp = op->defaults_tuple;
    op->defaults_tuple = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op) {
    PyObject* result = op->defaults_tuple;
    if (unlikely(!result)) {
        if (op->defaults_getter) {
            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
            result = op->defaults_tuple;
        } else {
            result = Py_None;
        }
    }
    Py_INCREF(result);
    return result;
}
static int
__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value) {
    PyObject* tmp;
    if (!value) {
        value = Py_None;
    } else if (value != Py_None && !PyDict_Check(value)) {
        PyErr_SetString(PyExc_TypeError,
                        "__kwdefaults__ must be set to a dict object");
        return -1;
    }
    Py_INCREF(value);
    tmp = op->defaults_kwdict;
    op->defaults_kwdict = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op) {
    PyObject* result = op->defaults_kwdict;
    if (unlikely(!result)) {
        if (op->defaults_getter) {
            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
            result = op->defaults_kwdict;
        } else {
            result = Py_None;
        }
    }
    Py_INCREF(result);
    return result;
}
static int
__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value) {
    PyObject* tmp;
    if (!value || value == Py_None) {
        value = NULL;
    } else if (!PyDict_Check(value)) {
        PyErr_SetString(PyExc_TypeError,
                        "__annotations__ must be set to a dict object");
        return -1;
    }
    Py_XINCREF(value);
    tmp = op->func_annotations;
    op->func_annotations = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op) {
    PyObject* result = op->func_annotations;
    if (unlikely(!result)) {
        result = PyDict_New();
        if (unlikely(!result)) return NULL;
        op->func_annotations = result;
    }
    Py_INCREF(result);
    return result;
}
static PyGetSetDef __pyx_CyFunction_getsets[] = {
    {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
    {(char *) "__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
    {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
    {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
    {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
    {(char *) "__self__", (getter)__Pyx_CyFunction_get_self, 0, 0, 0},
    {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
    {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
    {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
    {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
    {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
    {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
    {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
    {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
    {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
    {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
    {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
    {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
    {0, 0, 0, 0, 0}
};
static PyMemberDef __pyx_CyFunction_members[] = {
    {(char *) "__module__", T_OBJECT, offsetof(__pyx_CyFunctionObject, func.m_module), PY_WRITE_RESTRICTED, 0},
    {0, 0, 0,  0, 0}
};
static PyObject *
__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, CYTHON_UNUSED PyObject *args)
{
#if PY_MAJOR_VERSION >= 3
    return PyUnicode_FromString(m->func.m_ml->ml_name);
#else
    return PyString_FromString(m->func.m_ml->ml_name);
#endif
}
static PyMethodDef __pyx_CyFunction_methods[] = {
    {"__reduce__", (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
    {0, 0, 0, 0}
};
#if PY_VERSION_HEX < 0x030500A0
#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func_weakreflist)
#else
#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func.m_weakreflist)
#endif
static PyObject *__Pyx_CyFunction_New(PyTypeObject *type, PyMethodDef *ml, int flags, PyObject* qualname,
                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
    __pyx_CyFunctionObject *op = PyObject_GC_New(__pyx_CyFunctionObject, type);
    if (op == NULL)
        return NULL;
    op->flags = flags;
    __Pyx_CyFunction_weakreflist(op) = NULL;
    op->func.m_ml = ml;
    op->func.m_self = (PyObject *) op;
    Py_XINCREF(closure);
    op->func_closure = closure;
    Py_XINCREF(module);
    op->func.m_module = module;
    op->func_dict = NULL;
    op->func_name = NULL;
    Py_INCREF(qualname);
    op->func_qualname = qualname;
    op->func_doc = NULL;
    op->func_classobj = NULL;
    op->func_globals = globals;
    Py_INCREF(op->func_globals);
    Py_XINCREF(code);
    op->func_code = code;
    op->defaults_pyobjects = 0;
    op->defaults = NULL;
    op->defaults_tuple = NULL;
    op->defaults_kwdict = NULL;
    op->defaults_getter = NULL;
    op->func_annotations = NULL;
    PyObject_GC_Track(op);
    return (PyObject *) op;
}
static int
__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
{
    Py_CLEAR(m->func_closure);
    Py_CLEAR(m->func.m_module);
    Py_CLEAR(m->func_dict);
    Py_CLEAR(m->func_name);
    Py_CLEAR(m->func_qualname);
    Py_CLEAR(m->func_doc);
    Py_CLEAR(m->func_globals);
    Py_CLEAR(m->func_code);
    Py_CLEAR(m->func_classobj);
    Py_CLEAR(m->defaults_tuple);
    Py_CLEAR(m->defaults_kwdict);
    Py_CLEAR(m->func_annotations);
    if (m->defaults) {
        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
        int i;
        for (i = 0; i < m->defaults_pyobjects; i++)
            Py_XDECREF(pydefaults[i]);
        PyObject_Free(m->defaults);
        m->defaults = NULL;
    }
    return 0;
}
static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
{
    PyObject_GC_UnTrack(m);
    if (__Pyx_CyFunction_weakreflist(m) != NULL)
        PyObject_ClearWeakRefs((PyObject *) m);
    __Pyx_CyFunction_clear(m);
    PyObject_GC_Del(m);
}
static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
{
    Py_VISIT(m->func_closure);
    Py_VISIT(m->func.m_module);
    Py_VISIT(m->func_dict);
    Py_VISIT(m->func_name);
    Py_VISIT(m->func_qualname);
    Py_VISIT(m->func_doc);
    Py_VISIT(m->func_globals);
    Py_VISIT(m->func_code);
    Py_VISIT(m->func_classobj);
    Py_VISIT(m->defaults_tuple);
    Py_VISIT(m->defaults_kwdict);
    if (m->defaults) {
        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
        int i;
        for (i = 0; i < m->defaults_pyobjects; i++)
            Py_VISIT(pydefaults[i]);
    }
    return 0;
}
static PyObject *__Pyx_CyFunction_descr_get(PyObject *func, PyObject *obj, PyObject *type)
{
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    if (m->flags & __Pyx_CYFUNCTION_STATICMETHOD) {
        Py_INCREF(func);
        return func;
    }
    if (m->flags & __Pyx_CYFUNCTION_CLASSMETHOD) {
        if (type == NULL)
            type = (PyObject *)(Py_TYPE(obj));
        return __Pyx_PyMethod_New(func, type, (PyObject *)(Py_TYPE(type)));
    }
    if (obj == Py_None)
        obj = NULL;
    return __Pyx_PyMethod_New(func, obj, type);
}
static PyObject*
__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
{
#if PY_MAJOR_VERSION >= 3
    return PyUnicode_FromFormat("<cyfunction %U at %p>",
                                op->func_qualname, (void *)op);
#else
    return PyString_FromFormat("<cyfunction %s at %p>",
                               PyString_AsString(op->func_qualname), (void *)op);
#endif
}
static PyObject * __Pyx_CyFunction_CallMethod(PyObject *func, PyObject *self, PyObject *arg, PyObject *kw) {
    PyCFunctionObject* f = (PyCFunctionObject*)func;
    PyCFunction meth = f->m_ml->ml_meth;
    Py_ssize_t size;
    switch (f->m_ml->ml_flags & (METH_VARARGS | METH_KEYWORDS | METH_NOARGS | METH_O)) {
    case METH_VARARGS:
        if (likely(kw == NULL || PyDict_Size(kw) == 0))
            return (*meth)(self, arg);
        break;
    case METH_VARARGS | METH_KEYWORDS:
        return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
    case METH_NOARGS:
        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
            size = PyTuple_GET_SIZE(arg);
            if (likely(size == 0))
                return (*meth)(self, NULL);
            PyErr_Format(PyExc_TypeError,
                "%.200s() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
                f->m_ml->ml_name, size);
            return NULL;
        }
        break;
    case METH_O:
        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
            size = PyTuple_GET_SIZE(arg);
            if (likely(size == 1)) {
                PyObject *result, *arg0 = PySequence_ITEM(arg, 0);
                if (unlikely(!arg0)) return NULL;
                result = (*meth)(self, arg0);
                Py_DECREF(arg0);
                return result;
            }
            PyErr_Format(PyExc_TypeError,
                "%.200s() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
                f->m_ml->ml_name, size);
            return NULL;
        }
        break;
    default:
        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
                        "__Pyx_CyFunction_Call. METH_OLDARGS is no "
                        "longer supported!");
        return NULL;
    }
    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
                 f->m_ml->ml_name);
    return NULL;
}
static CYTHON_INLINE PyObject *__Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
    return __Pyx_CyFunction_CallMethod(func, ((PyCFunctionObject*)func)->m_self, arg, kw);
}
static PyObject *__Pyx_CyFunction_CallAsMethod(PyObject *func, PyObject *args, PyObject *kw) {
    PyObject *result;
    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *) func;
    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
        Py_ssize_t argc;
        PyObject *new_args;
        PyObject *self;
        argc = PyTuple_GET_SIZE(args);
        new_args = PyTuple_GetSlice(args, 1, argc);
        if (unlikely(!new_args))
            return NULL;
        self = PyTuple_GetItem(args, 0);
        if (unlikely(!self)) {
            Py_DECREF(new_args);
            return NULL;
        }
        result = __Pyx_CyFunction_CallMethod(func, self, new_args, kw);
        Py_DECREF(new_args);
    } else {
        result = __Pyx_CyFunction_Call(func, args, kw);
    }
    return result;
}
static PyTypeObject __pyx_CyFunctionType_type = {
    PyVarObject_HEAD_INIT(0, 0)
    "cython_function_or_method",
    sizeof(__pyx_CyFunctionObject),
    0,
    (destructor) __Pyx_CyFunction_dealloc,
    0,
    0,
    0,
#if PY_MAJOR_VERSION < 3
    0,
#else
    0,
#endif
    (reprfunc) __Pyx_CyFunction_repr,
    0,
    0,
    0,
    0,
    __Pyx_CyFunction_CallAsMethod,
    0,
    0,
    0,
    0,
    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
    0,
    (traverseproc) __Pyx_CyFunction_traverse,
    (inquiry) __Pyx_CyFunction_clear,
    0,
#if PY_VERSION_HEX < 0x030500A0
    offsetof(__pyx_CyFunctionObject, func_weakreflist),
#else
    offsetof(PyCFunctionObject, m_weakreflist),
#endif
    0,
    0,
    __pyx_CyFunction_methods,
    __pyx_CyFunction_members,
    __pyx_CyFunction_getsets,
    0,
    0,
    __Pyx_CyFunction_descr_get,
    0,
    offsetof(__pyx_CyFunctionObject, func_dict),
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
#if PY_VERSION_HEX >= 0x030400a1
    0,
#endif
};
static int __pyx_CyFunction_init(void) {
    __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type);
    if (__pyx_CyFunctionType == NULL) {
        return -1;
    }
    return 0;
}
static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    m->defaults = PyObject_Malloc(size);
    if (!m->defaults)
        return PyErr_NoMemory();
    memset(m->defaults, 0, size);
    m->defaults_pyobjects = pyobjects;
    return m->defaults;
}
static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    m->defaults_tuple = tuple;
    Py_INCREF(tuple);
}
static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    m->defaults_kwdict = dict;
    Py_INCREF(dict);
}
static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    m->func_annotations = dict;
    Py_INCREF(dict);
}

/* SliceTupleAndList */
                #if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE void __Pyx_crop_slice(Py_ssize_t* _start, Py_ssize_t* _stop, Py_ssize_t* _length) {
    Py_ssize_t start = *_start, stop = *_stop, length = *_length;
    if (start < 0) {
        start += length;
        if (start < 0)
            start = 0;
    }
    if (stop < 0)
        stop += length;
    else if (stop > length)
        stop = length;
    *_length = stop - start;
    *_start = start;
    *_stop = stop;
}
static CYTHON_INLINE void __Pyx_copy_object_array(PyObject** CYTHON_RESTRICT src, PyObject** CYTHON_RESTRICT dest, Py_ssize_t length) {
    PyObject *v;
    Py_ssize_t i;
    for (i = 0; i < length; i++) {
        v = dest[i] = src[i];
        Py_INCREF(v);
    }
}
static CYTHON_INLINE PyObject* __Pyx_PyList_GetSlice(
            PyObject* src, Py_ssize_t start, Py_ssize_t stop) {
    PyObject* dest;
    Py_ssize_t length = PyList_GET_SIZE(src);
    __Pyx_crop_slice(&start, &stop, &length);
    if (unlikely(length <= 0))
        return PyList_New(0);
    dest = PyList_New(length);
    if (unlikely(!dest))
        return NULL;
    __Pyx_copy_object_array(
        ((PyListObject*)src)->ob_item + start,
        ((PyListObject*)dest)->ob_item,
        length);
    return dest;
}
static CYTHON_INLINE PyObject* __Pyx_PyTuple_GetSlice(
            PyObject* src, Py_ssize_t start, Py_ssize_t stop) {
    PyObject* dest;
    Py_ssize_t length = PyTuple_GET_SIZE(src);
    __Pyx_crop_slice(&start, &stop, &length);
    if (unlikely(length <= 0))
        return PyTuple_New(0);
    dest = PyTuple_New(length);
    if (unlikely(!dest))
        return NULL;
    __Pyx_copy_object_array(
        ((PyTupleObject*)src)->ob_item + start,
        ((PyTupleObject*)dest)->ob_item,
        length);
    return dest;
}
#endif

/* GetItemIntUnicode */
                static CYTHON_INLINE Py_UCS4 __Pyx_GetItemInt_Unicode_Fast(PyObject* ustring, Py_ssize_t i,
                                                           int wraparound, int boundscheck) {
    Py_ssize_t length;
    if (unlikely(__Pyx_PyUnicode_READY(ustring) < 0)) return (Py_UCS4)-1;
    if (wraparound | boundscheck) {
        length = __Pyx_PyUnicode_GET_LENGTH(ustring);
        if (wraparound & unlikely(i < 0)) i += length;
        if ((!boundscheck) || likely((0 <= i) & (i < length))) {
            return __Pyx_PyUnicode_READ_CHAR(ustring, i);
        } else {
            PyErr_SetString(PyExc_IndexError, "string index out of range");
            return (Py_UCS4)-1;
        }
    } else {
        return __Pyx_PyUnicode_READ_CHAR(ustring, i);
    }
}

/* PyObjectCallMethod0 */
                static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name) {
    PyObject *method, *result = NULL;
    method = __Pyx_PyObject_GetAttrStr(obj, method_name);
    if (unlikely(!method)) goto bad;
#if CYTHON_UNPACK_METHODS
    if (likely(PyMethod_Check(method))) {
        PyObject *self = PyMethod_GET_SELF(method);
        if (likely(self)) {
            PyObject *function = PyMethod_GET_FUNCTION(method);
            result = __Pyx_PyObject_CallOneArg(function, self);
            Py_DECREF(method);
            return result;
        }
    }
#endif
    result = __Pyx_PyObject_CallNoArg(method);
    Py_DECREF(method);
bad:
    return result;
}

/* UnpackUnboundCMethod */
                static int __Pyx_TryUnpackUnboundCMethod(__Pyx_CachedCFunction* target) {
    PyObject *method;
    method = __Pyx_PyObject_GetAttrStr(target->type, *target->method_name);
    if (unlikely(!method))
        return -1;
    target->method = method;
#if CYTHON_COMPILING_IN_CPYTHON
    #if PY_MAJOR_VERSION >= 3
    if (likely(PyObject_TypeCheck(method, &PyMethodDescr_Type)))
    #endif
    {
        PyMethodDescrObject *descr = (PyMethodDescrObject*) method;
        target->func = descr->d_method->ml_meth;
        target->flag = descr->d_method->ml_flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST);
    }
#endif
    return 0;
}

/* CallUnboundCMethod0 */
                static PyObject* __Pyx__CallUnboundCMethod0(__Pyx_CachedCFunction* cfunc, PyObject* self) {
    PyObject *args, *result = NULL;
    if (unlikely(!cfunc->method) && unlikely(__Pyx_TryUnpackUnboundCMethod(cfunc) < 0)) return NULL;
#if CYTHON_ASSUME_SAFE_MACROS
    args = PyTuple_New(1);
    if (unlikely(!args)) goto bad;
    Py_INCREF(self);
    PyTuple_SET_ITEM(args, 0, self);
#else
    args = PyTuple_Pack(1, self);
    if (unlikely(!args)) goto bad;
#endif
    result = __Pyx_PyObject_Call(cfunc->method, args, NULL);
    Py_DECREF(args);
bad:
    return result;
}

/* pop */
                static CYTHON_INLINE PyObject* __Pyx__PyObject_Pop(PyObject* L) {
    if (Py_TYPE(L) == &PySet_Type) {
        return PySet_Pop(L);
    }
    return __Pyx_PyObject_CallMethod0(L, __pyx_n_s_pop);
}
#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
static CYTHON_INLINE PyObject* __Pyx_PyList_Pop(PyObject* L) {
    if (likely(PyList_GET_SIZE(L) > (((PyListObject*)L)->allocated >> 1))) {
        Py_SIZE(L) -= 1;
        return PyList_GET_ITEM(L, PyList_GET_SIZE(L));
    }
    return __Pyx_CallUnboundCMethod0(&__pyx_umethod_PyList_Type_pop, L);
}
#endif

/* PyIntBinop */
                #if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyInt_SubtractObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, CYTHON_UNUSED int inplace) {
    #if PY_MAJOR_VERSION < 3
    if (likely(PyInt_CheckExact(op1))) {
        const long b = intval;
        long x;
        long a = PyInt_AS_LONG(op1);
            x = (long)((unsigned long)a - b);
            if (likely((x^a) >= 0 || (x^~b) >= 0))
                return PyInt_FromLong(x);
            return PyLong_Type.tp_as_number->nb_subtract(op1, op2);
    }
    #endif
    #if CYTHON_USE_PYLONG_INTERNALS
    if (likely(PyLong_CheckExact(op1))) {
        const long b = intval;
        long a, x;
#ifdef HAVE_LONG_LONG
        const PY_LONG_LONG llb = intval;
        PY_LONG_LONG lla, llx;
#endif
        const digit* digits = ((PyLongObject*)op1)->ob_digit;
        const Py_ssize_t size = Py_SIZE(op1);
        if (likely(__Pyx_sst_abs(size) <= 1)) {
            a = likely(size) ? digits[0] : 0;
            if (size == -1) a = -a;
        } else {
            switch (size) {
                case -2:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                        lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                case 2:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                        lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                case -3:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                        lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                case 3:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                        lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                case -4:
                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                        a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                        lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                case 4:
                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                        a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                        lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                default: return PyLong_Type.tp_as_number->nb_subtract(op1, op2);
            }
        }
                x = a - b;
            return PyLong_FromLong(x);
#ifdef HAVE_LONG_LONG
        long_long:
                llx = lla - llb;
            return PyLong_FromLongLong(llx);
#endif
        
        
    }
    #endif
    if (PyFloat_CheckExact(op1)) {
        const long b = intval;
        double a = PyFloat_AS_DOUBLE(op1);
            double result;
            PyFPE_START_PROTECT("subtract", return NULL)
            result = ((double)a) - (double)b;
            PyFPE_END_PROTECT(result)
            return PyFloat_FromDouble(result);
    }
    return (inplace ? PyNumber_InPlaceSubtract : PyNumber_Subtract)(op1, op2);
}
#endif

/* PyIntBinop */
                #if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyInt_EqObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, CYTHON_UNUSED int inplace) {
    if (op1 == op2) {
        Py_RETURN_TRUE;
    }
    #if PY_MAJOR_VERSION < 3
    if (likely(PyInt_CheckExact(op1))) {
        const long b = intval;
        long a = PyInt_AS_LONG(op1);
        if (a == b) {
            Py_RETURN_TRUE;
        } else {
            Py_RETURN_FALSE;
        }
    }
    #endif
    #if CYTHON_USE_PYLONG_INTERNALS
    if (likely(PyLong_CheckExact(op1))) {
        const long b = intval;
        long a;
        const digit* digits = ((PyLongObject*)op1)->ob_digit;
        const Py_ssize_t size = Py_SIZE(op1);
        if (likely(__Pyx_sst_abs(size) <= 1)) {
            a = likely(size) ? digits[0] : 0;
            if (size == -1) a = -a;
        } else {
            switch (size) {
                case -2:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
                    }
                case 2:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
                    }
                case -3:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
                    }
                case 3:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
                    }
                case -4:
                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                        a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
                    }
                case 4:
                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                        a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
                    }
                #if PyLong_SHIFT < 30 && PyLong_SHIFT != 15
                default: return PyLong_Type.tp_richcompare(op1, op2, Py_EQ);
                #else
                default: Py_RETURN_FALSE;
                #endif
            }
        }
            if (a == b) {
                Py_RETURN_TRUE;
            } else {
                Py_RETURN_FALSE;
            }
    }
    #endif
    if (PyFloat_CheckExact(op1)) {
        const long b = intval;
        double a = PyFloat_AS_DOUBLE(op1);
            if ((double)a == (double)b) {
                Py_RETURN_TRUE;
            } else {
                Py_RETURN_FALSE;
            }
    }
    return PyObject_RichCompare(op1, op2, Py_EQ);
}
#endif

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

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

/* Import */
                static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
    PyObject *empty_list = 0;
    PyObject *module = 0;
    PyObject *global_dict = 0;
    PyObject *empty_dict = 0;
    PyObject *list;
    #if PY_VERSION_HEX < 0x03030000
    PyObject *py_import;
    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
    if (!py_import)
        goto bad;
    #endif
    if (from_list)
        list = from_list;
    else {
        empty_list = PyList_New(0);
        if (!empty_list)
            goto bad;
        list = empty_list;
    }
    global_dict = PyModule_GetDict(__pyx_m);
    if (!global_dict)
        goto bad;
    empty_dict = PyDict_New();
    if (!empty_dict)
        goto bad;
    {
        #if PY_MAJOR_VERSION >= 3
        if (level == -1) {
            if (strchr(__Pyx_MODULE_NAME, '.')) {
                #if PY_VERSION_HEX < 0x03030000
                PyObject *py_level = PyInt_FromLong(1);
                if (!py_level)
                    goto bad;
                module = PyObject_CallFunctionObjArgs(py_import,
                    name, global_dict, empty_dict, list, py_level, NULL);
                Py_DECREF(py_level);
                #else
                module = PyImport_ImportModuleLevelObject(
                    name, global_dict, empty_dict, list, 1);
                #endif
                if (!module) {
                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
                        goto bad;
                    PyErr_Clear();
                }
            }
            level = 0;
        }
        #endif
        if (!module) {
            #if PY_VERSION_HEX < 0x03030000
            PyObject *py_level = PyInt_FromLong(level);
            if (!py_level)
                goto bad;
            module = PyObject_CallFunctionObjArgs(py_import,
                name, global_dict, empty_dict, list, py_level, NULL);
            Py_DECREF(py_level);
            #else
            module = PyImport_ImportModuleLevelObject(
                name, global_dict, empty_dict, list, level);
            #endif
        }
    }
bad:
    #if PY_VERSION_HEX < 0x03030000
    Py_XDECREF(py_import);
    #endif
    Py_XDECREF(empty_list);
    Py_XDECREF(empty_dict);
    return module;
}

/* 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;
}

/* PyFloatBinop */
                #if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyFloat_AddCObj(PyObject *op1, PyObject *op2, double floatval, CYTHON_UNUSED int inplace) {
    const double a = floatval;
    double b, result;
    if (likely(PyFloat_CheckExact(op2))) {
        b = PyFloat_AS_DOUBLE(op2);
    } else
    #if PY_MAJOR_VERSION < 3
    if (likely(PyInt_CheckExact(op2))) {
        b = (double) PyInt_AS_LONG(op2);
    } else
    #endif
    if (likely(PyLong_CheckExact(op2))) {
        #if CYTHON_USE_PYLONG_INTERNALS
        const digit* digits = ((PyLongObject*)op2)->ob_digit;
        const Py_ssize_t size = Py_SIZE(op2);
        switch (size) {
            case  0: b = 0.0; break;
            case -1: b = -(double) digits[0]; break;
            case  1: b = (double) digits[0]; break;
            case -2:
            case 2:
                if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT && ((8 * sizeof(unsigned long) < 53) || (1 * PyLong_SHIFT < 53))) {
                    b = (double) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                    if ((8 * sizeof(unsigned long) < 53) || (2 * PyLong_SHIFT < 53) || (b < (double) (1L<<53))) {
                        if (size == -2)
                            b = -b;
                        break;
                    }
                }
            case -3:
            case 3:
                if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT && ((8 * sizeof(unsigned long) < 53) || (2 * PyLong_SHIFT < 53))) {
                    b = (double) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                    if ((8 * sizeof(unsigned long) < 53) || (3 * PyLong_SHIFT < 53) || (b < (double) (1L<<53))) {
                        if (size == -3)
                            b = -b;
                        break;
                    }
                }
            case -4:
            case 4:
                if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT && ((8 * sizeof(unsigned long) < 53) || (3 * PyLong_SHIFT < 53))) {
                    b = (double) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                    if ((8 * sizeof(unsigned long) < 53) || (4 * PyLong_SHIFT < 53) || (b < (double) (1L<<53))) {
                        if (size == -4)
                            b = -b;
                        break;
                    }
                }
            default:
        #else
        {
        #endif
            b = PyLong_AsDouble(op2);
            if (unlikely(b == -1.0 && PyErr_Occurred())) return NULL;
        }
    } else {
        return (inplace ? PyNumber_InPlaceAdd : PyNumber_Add)(op1, op2);
    }
        PyFPE_START_PROTECT("add", return NULL)
        result = a + b;
        PyFPE_END_PROTECT(result)
        return PyFloat_FromDouble(result);
}
#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;
}

/* CodeObjectCache */
                  static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
    int start = 0, mid = 0, end = count - 1;
    if (end >= 0 && code_line > entries[end].code_line) {
        return count;
    }
    while (start < end) {
        mid = start + (end - start) / 2;
        if (code_line < entries[mid].code_line) {
            end = mid;
        } else if (code_line > entries[mid].code_line) {
             start = mid + 1;
        } else {
            return mid;
        }
    }
    if (code_line <= entries[mid].code_line) {
        return mid;
    } else {
        return mid + 1;
    }
}
static PyCodeObject *__pyx_find_code_object(int code_line) {
    PyCodeObject* code_object;
    int pos;
    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
        return NULL;
    }
    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
        return NULL;
    }
    code_object = __pyx_code_cache.entries[pos].code_object;
    Py_INCREF(code_object);
    return code_object;
}
static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
    int pos, i;
    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
    if (unlikely(!code_line)) {
        return;
    }
    if (unlikely(!entries)) {
        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
        if (likely(entries)) {
            __pyx_code_cache.entries = entries;
            __pyx_code_cache.max_count = 64;
            __pyx_code_cache.count = 1;
            entries[0].code_line = code_line;
            entries[0].code_object = code_object;
            Py_INCREF(code_object);
        }
        return;
    }
    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
        PyCodeObject* tmp = entries[pos].code_object;
        entries[pos].code_object = code_object;
        Py_DECREF(tmp);
        return;
    }
    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
        int new_max = __pyx_code_cache.max_count + 64;
        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
            __pyx_code_cache.entries, (size_t)new_max*sizeof(__Pyx_CodeObjectCacheEntry));
        if (unlikely(!entries)) {
            return;
        }
        __pyx_code_cache.entries = entries;
        __pyx_code_cache.max_count = new_max;
    }
    for (i=__pyx_code_cache.count; i>pos; i--) {
        entries[i] = entries[i-1];
    }
    entries[pos].code_line = code_line;
    entries[pos].code_object = code_object;
    __pyx_code_cache.count++;
    Py_INCREF(code_object);
}

/* AddTraceback */
                  #include "compile.h"
#include "frameobject.h"
#include "traceback.h"
static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
            const char *funcname, int c_line,
            int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyObject *py_srcfile = 0;
    PyObject *py_funcname = 0;
    #if PY_MAJOR_VERSION < 3
    py_srcfile = PyString_FromString(filename);
    #else
    py_srcfile = PyUnicode_FromString(filename);
    #endif
    if (!py_srcfile) goto bad;
    if (c_line) {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #else
        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #endif
    }
    else {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromString(funcname);
        #else
        py_funcname = PyUnicode_FromString(funcname);
        #endif
    }
    if (!py_funcname) goto bad;
    py_code = __Pyx_PyCode_New(
        0,
        0,
        0,
        0,
        0,
        __pyx_empty_bytes, /*PyObject *code,*/
        __pyx_empty_tuple, /*PyObject *consts,*/
        __pyx_empty_tuple, /*PyObject *names,*/
        __pyx_empty_tuple, /*PyObject *varnames,*/
        __pyx_empty_tuple, /*PyObject *freevars,*/
        __pyx_empty_tuple, /*PyObject *cellvars,*/
        py_srcfile,   /*PyObject *filename,*/
        py_funcname,  /*PyObject *name,*/
        py_line,
        __pyx_empty_bytes  /*PyObject *lnotab*/
    );
    Py_DECREF(py_srcfile);
    Py_DECREF(py_funcname);
    return py_code;
bad:
    Py_XDECREF(py_srcfile);
    Py_XDECREF(py_funcname);
    return NULL;
}
static void __Pyx_AddTraceback(const char *funcname, int c_line,
                               int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyFrameObject *py_frame = 0;
    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
    if (!py_code) {
        py_code = __Pyx_CreateCodeObjectForTraceback(
            funcname, c_line, py_line, filename);
        if (!py_code) goto bad;
        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
    }
    py_frame = PyFrame_New(
        PyThreadState_GET(), /*PyThreadState *tstate,*/
        py_code,             /*PyCodeObject *code,*/
        __pyx_d,      /*PyObject *globals,*/
        0                    /*PyObject *locals*/
    );
    if (!py_frame) goto bad;
    __Pyx_PyFrame_SetLineNumber(py_frame, py_line);
    PyTraceBack_Here(py_frame);
bad:
    Py_XDECREF(py_code);
    Py_XDECREF(py_frame);
}

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

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

/* CIntToPy */
                  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint32_t(uint32_t value) {
    const uint32_t neg_one = (uint32_t) -1, const_zero = (uint32_t) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(uint32_t) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(uint32_t) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(uint32_t) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(uint32_t) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(uint32_t) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
#endif
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(uint32_t),
                                     little, !is_unsigned);
    }
}

/* CIntToPy */
                  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_short(short value) {
    const short neg_one = (short) -1, const_zero = (short) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(short) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(short) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(short) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(short) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(short) <= 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(short),
                                     little, !is_unsigned);
    }
}

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

/* CIntToPy */
                  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint64_t(uint64_t value) {
    const uint64_t neg_one = (uint64_t) -1, const_zero = (uint64_t) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(uint64_t) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(uint64_t) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(uint64_t) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(uint64_t) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(uint64_t) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
#endif
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(uint64_t),
                                     little, !is_unsigned);
    }
}

/* PyUCS4InUnicode */
                  static CYTHON_INLINE int __Pyx_UnicodeContainsUCS4(PyObject* unicode, Py_UCS4 character) {
#if CYTHON_PEP393_ENABLED
    const int kind = PyUnicode_KIND(unicode);
    if (likely(kind != PyUnicode_WCHAR_KIND)) {
        Py_ssize_t i;
        const void* udata = PyUnicode_DATA(unicode);
        const Py_ssize_t length = PyUnicode_GET_LENGTH(unicode);
        for (i=0; i < length; i++) {
            if (unlikely(character == PyUnicode_READ(kind, udata, i))) return 1;
        }
        return 0;
    }
#endif
    return __Pyx_PyUnicodeBufferContainsUCS4(
        PyUnicode_AS_UNICODE(unicode),
        PyUnicode_GET_SIZE(unicode),
        character);
}
static CYTHON_INLINE int __Pyx_PyUnicodeBufferContainsUCS4(Py_UNICODE* buffer, Py_ssize_t length, Py_UCS4 character) {
    Py_UNICODE uchar;
    Py_UNICODE* pos;
    #if Py_UNICODE_SIZE == 2
    if (character > 65535) {
        Py_UNICODE high_val, low_val;
        high_val = (Py_UNICODE) (0xD800 | (((character - 0x10000) >> 10) & ((1<<10)-1)));
        low_val  = (Py_UNICODE) (0xDC00 | ( (character - 0x10000)        & ((1<<10)-1)));
        for (pos=buffer; pos < buffer+length-1; pos++) {
            if (unlikely(high_val == pos[0]) & unlikely(low_val == pos[1])) return 1;
        }
        return 0;
    }
    #endif
    uchar = (Py_UNICODE) character;
    for (pos=buffer; pos < buffer+length; pos++) {
        if (unlikely(uchar == pos[0])) return 1;
    }
    return 0;
}

/* CIntFromPy */
                  static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
    const int neg_one = (int) -1, const_zero = (int) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(int) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (int) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (int) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(int) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                            return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                            return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                            return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(int) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            int val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (int) -1;
        }
    } else {
        int val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (int) -1;
        val = __Pyx_PyInt_As_int(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to int");
    return (int) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to int");
    return (int) -1;
}

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

/* CIntFromPy */
                  static CYTHON_INLINE uint32_t __Pyx_PyInt_As_uint32_t(PyObject *x) {
    const uint32_t neg_one = (uint32_t) -1, const_zero = (uint32_t) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(uint32_t) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(uint32_t, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (uint32_t) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (uint32_t) 0;
                case  1: __PYX_VERIFY_RETURN_INT(uint32_t, digit, digits[0])
                case 2:
                    if (8 * sizeof(uint32_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint32_t) >= 2 * PyLong_SHIFT) {
                            return (uint32_t) (((((uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(uint32_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint32_t) >= 3 * PyLong_SHIFT) {
                            return (uint32_t) (((((((uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(uint32_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint32_t) >= 4 * PyLong_SHIFT) {
                            return (uint32_t) (((((((((uint32_t)digits[3]) << PyLong_SHIFT) | (uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (uint32_t) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(uint32_t) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(uint32_t, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(uint32_t) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(uint32_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (uint32_t) 0;
                case -1: __PYX_VERIFY_RETURN_INT(uint32_t, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(uint32_t,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(uint32_t) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint32_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint32_t) - 1 > 2 * PyLong_SHIFT) {
                            return (uint32_t) (((uint32_t)-1)*(((((uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(uint32_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint32_t) - 1 > 2 * PyLong_SHIFT) {
                            return (uint32_t) ((((((uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(uint32_t) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint32_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint32_t) - 1 > 3 * PyLong_SHIFT) {
                            return (uint32_t) (((uint32_t)-1)*(((((((uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(uint32_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint32_t) - 1 > 3 * PyLong_SHIFT) {
                            return (uint32_t) ((((((((uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(uint32_t) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint32_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint32_t) - 1 > 4 * PyLong_SHIFT) {
                            return (uint32_t) (((uint32_t)-1)*(((((((((uint32_t)digits[3]) << PyLong_SHIFT) | (uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(uint32_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(uint32_t) - 1 > 4 * PyLong_SHIFT) {
                            return (uint32_t) ((((((((((uint32_t)digits[3]) << PyLong_SHIFT) | (uint32_t)digits[2]) << PyLong_SHIFT) | (uint32_t)digits[1]) << PyLong_SHIFT) | (uint32_t)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(uint32_t) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(uint32_t, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(uint32_t) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(uint32_t, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            uint32_t val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (uint32_t) -1;
        }
    } else {
        uint32_t val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (uint32_t) -1;
        val = __Pyx_PyInt_As_uint32_t(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to uint32_t");
    return (uint32_t) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to uint32_t");
    return (uint32_t) -1;
}

/* CIntFromPy */
                  static CYTHON_INLINE size_t __Pyx_PyInt_As_size_t(PyObject *x) {
    const size_t neg_one = (size_t) -1, const_zero = (size_t) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(size_t) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(size_t, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (size_t) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (size_t) 0;
                case  1: __PYX_VERIFY_RETURN_INT(size_t, digit, digits[0])
                case 2:
                    if (8 * sizeof(size_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) >= 2 * PyLong_SHIFT) {
                            return (size_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(size_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) >= 3 * PyLong_SHIFT) {
                            return (size_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(size_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) >= 4 * PyLong_SHIFT) {
                            return (size_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (size_t) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(size_t) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(size_t) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (size_t) 0;
                case -1: __PYX_VERIFY_RETURN_INT(size_t, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(size_t,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(size_t) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) {
                            return (size_t) (((size_t)-1)*(((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(size_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) {
                            return (size_t) ((((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) {
                            return (size_t) (((size_t)-1)*(((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(size_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) {
                            return (size_t) ((((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 4 * PyLong_SHIFT) {
                            return (size_t) (((size_t)-1)*(((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(size_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 4 * PyLong_SHIFT) {
                            return (size_t) ((((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(size_t) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(size_t) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            size_t val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (size_t) -1;
        }
    } else {
        size_t val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (size_t) -1;
        val = __Pyx_PyInt_As_size_t(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to size_t");
    return (size_t) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to size_t");
    return (size_t) -1;
}

/* CIntFromPy */
                  static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
    const long neg_one = (long) -1, const_zero = (long) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(long) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (long) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (long) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(long) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                            return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                            return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                            return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(long) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            long val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (long) -1;
        }
    } else {
        long val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (long) -1;
        val = __Pyx_PyInt_As_long(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to long");
    return (long) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to long");
    return (long) -1;
}

/* SwapException */
                  #if CYTHON_FAST_THREAD_STATE
static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = *type;
    tstate->exc_value = *value;
    tstate->exc_traceback = *tb;
    *type = tmp_type;
    *value = tmp_value;
    *tb = tmp_tb;
}
#else
static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
    PyErr_SetExcInfo(*type, *value, *tb);
    *type = tmp_type;
    *value = tmp_value;
    *tb = tmp_tb;
}
#endif

/* CoroutineBase */
                  #include <structmember.h>
#include <frameobject.h>
static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value);
static PyObject *__Pyx_Coroutine_Close(PyObject *self);
static PyObject *__Pyx_Coroutine_Throw(PyObject *gen, PyObject *args);
#define __Pyx_Coroutine_Undelegate(gen) Py_CLEAR((gen)->yieldfrom)
#if 1 || PY_VERSION_HEX < 0x030300B0
static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue) {
    PyObject *et, *ev, *tb;
    PyObject *value = NULL;
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    __Pyx_ErrFetch(&et, &ev, &tb);
    if (!et) {
        Py_XDECREF(tb);
        Py_XDECREF(ev);
        Py_INCREF(Py_None);
        *pvalue = Py_None;
        return 0;
    }
    if (likely(et == PyExc_StopIteration)) {
        if (!ev) {
            Py_INCREF(Py_None);
            value = Py_None;
        }
#if PY_VERSION_HEX >= 0x030300A0
        else if (Py_TYPE(ev) == (PyTypeObject*)PyExc_StopIteration) {
            value = ((PyStopIterationObject *)ev)->value;
            Py_INCREF(value);
            Py_DECREF(ev);
        }
#endif
        else if (unlikely(PyTuple_Check(ev))) {
            if (PyTuple_GET_SIZE(ev) >= 1) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
                value = PyTuple_GET_ITEM(ev, 0);
                Py_INCREF(value);
#else
                value = PySequence_ITEM(ev, 0);
#endif
            } else {
                Py_INCREF(Py_None);
                value = Py_None;
            }
            Py_DECREF(ev);
        }
        else if (!PyObject_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration)) {
            value = ev;
        }
        if (likely(value)) {
            Py_XDECREF(tb);
            Py_DECREF(et);
            *pvalue = value;
            return 0;
        }
    } else if (!PyErr_GivenExceptionMatches(et, PyExc_StopIteration)) {
        __Pyx_ErrRestore(et, ev, tb);
        return -1;
    }
    PyErr_NormalizeException(&et, &ev, &tb);
    if (unlikely(!PyObject_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration))) {
        __Pyx_ErrRestore(et, ev, tb);
        return -1;
    }
    Py_XDECREF(tb);
    Py_DECREF(et);
#if PY_VERSION_HEX >= 0x030300A0
    value = ((PyStopIterationObject *)ev)->value;
    Py_INCREF(value);
    Py_DECREF(ev);
#else
    {
        PyObject* args = __Pyx_PyObject_GetAttrStr(ev, __pyx_n_s_args);
        Py_DECREF(ev);
        if (likely(args)) {
            value = PySequence_GetItem(args, 0);
            Py_DECREF(args);
        }
        if (unlikely(!value)) {
            __Pyx_ErrRestore(NULL, NULL, NULL);
            Py_INCREF(Py_None);
            value = Py_None;
        }
    }
#endif
    *pvalue = value;
    return 0;
}
#endif
static CYTHON_INLINE
void __Pyx_Coroutine_ExceptionClear(__pyx_CoroutineObject *self) {
    PyObject *exc_type = self->exc_type;
    PyObject *exc_value = self->exc_value;
    PyObject *exc_traceback = self->exc_traceback;
    self->exc_type = NULL;
    self->exc_value = NULL;
    self->exc_traceback = NULL;
    Py_XDECREF(exc_type);
    Py_XDECREF(exc_value);
    Py_XDECREF(exc_traceback);
}
static CYTHON_INLINE
int __Pyx_Coroutine_CheckRunning(__pyx_CoroutineObject *gen) {
    if (unlikely(gen->is_running)) {
        PyErr_SetString(PyExc_ValueError,
                        "generator already executing");
        return 1;
    }
    return 0;
}
static CYTHON_INLINE
PyObject *__Pyx_Coroutine_SendEx(__pyx_CoroutineObject *self, PyObject *value) {
    PyObject *retval;
    __Pyx_PyThreadState_declare
    assert(!self->is_running);
    if (unlikely(self->resume_label == 0)) {
        if (unlikely(value && value != Py_None)) {
            PyErr_SetString(PyExc_TypeError,
                            "can't send non-None value to a "
                            "just-started generator");
            return NULL;
        }
    }
    if (unlikely(self->resume_label == -1)) {
        PyErr_SetNone(PyExc_StopIteration);
        return NULL;
    }
    __Pyx_PyThreadState_assign
    if (value) {
#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
#else
        if (self->exc_traceback) {
            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
            PyFrameObject *f = tb->tb_frame;
            Py_XINCREF(__pyx_tstate->frame);
            assert(f->f_back == NULL);
            f->f_back = __pyx_tstate->frame;
        }
#endif
        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
                            &self->exc_traceback);
    } else {
        __Pyx_Coroutine_ExceptionClear(self);
    }
    self->is_running = 1;
    retval = self->body((PyObject *) self, value);
    self->is_running = 0;
    if (retval) {
        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
                            &self->exc_traceback);
#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
#else
        if (self->exc_traceback) {
            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
            PyFrameObject *f = tb->tb_frame;
            Py_CLEAR(f->f_back);
        }
#endif
    } else {
        __Pyx_Coroutine_ExceptionClear(self);
    }
    return retval;
}
static CYTHON_INLINE
PyObject *__Pyx_Coroutine_MethodReturn(PyObject *retval) {
    if (unlikely(!retval && !PyErr_Occurred())) {
        PyErr_SetNone(PyExc_StopIteration);
    }
    return retval;
}
static CYTHON_INLINE
PyObject *__Pyx_Coroutine_FinishDelegation(__pyx_CoroutineObject *gen) {
    PyObject *ret;
    PyObject *val = NULL;
    __Pyx_Coroutine_Undelegate(gen);
    __Pyx_PyGen_FetchStopIterationValue(&val);
    ret = __Pyx_Coroutine_SendEx(gen, val);
    Py_XDECREF(val);
    return ret;
}
static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value) {
    PyObject *retval;
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self;
    PyObject *yf = gen->yieldfrom;
    if (unlikely(__Pyx_Coroutine_CheckRunning(gen)))
        return NULL;
    if (yf) {
        PyObject *ret;
        gen->is_running = 1;
        #ifdef __Pyx_Generator_USED
        if (__Pyx_Generator_CheckExact(yf)) {
            ret = __Pyx_Coroutine_Send(yf, value);
        } else
        #endif
        #ifdef __Pyx_Coroutine_USED
        if (__Pyx_Coroutine_CheckExact(yf)) {
            ret = __Pyx_Coroutine_Send(yf, value);
        } else
        #endif
        {
            if (value == Py_None)
                ret = Py_TYPE(yf)->tp_iternext(yf);
            else
                ret = __Pyx_PyObject_CallMethod1(yf, __pyx_n_s_send, value);
        }
        gen->is_running = 0;
        if (likely(ret)) {
            return ret;
        }
        retval = __Pyx_Coroutine_FinishDelegation(gen);
    } else {
        retval = __Pyx_Coroutine_SendEx(gen, value);
    }
    return __Pyx_Coroutine_MethodReturn(retval);
}
static int __Pyx_Coroutine_CloseIter(__pyx_CoroutineObject *gen, PyObject *yf) {
    PyObject *retval = NULL;
    int err = 0;
    #ifdef __Pyx_Generator_USED
    if (__Pyx_Generator_CheckExact(yf)) {
        retval = __Pyx_Coroutine_Close(yf);
        if (!retval)
            return -1;
    } else
    #endif
    #ifdef __Pyx_Coroutine_USED
    if (__Pyx_Coroutine_CheckExact(yf)) {
        retval = __Pyx_Coroutine_Close(yf);
        if (!retval)
            return -1;
    } else
    #endif
    {
        PyObject *meth;
        gen->is_running = 1;
        meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_close);
        if (unlikely(!meth)) {
            if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
                PyErr_WriteUnraisable(yf);
            }
            PyErr_Clear();
        } else {
            retval = PyObject_CallFunction(meth, NULL);
            Py_DECREF(meth);
            if (!retval)
                err = -1;
        }
        gen->is_running = 0;
    }
    Py_XDECREF(retval);
    return err;
}
static PyObject *__Pyx_Generator_Next(PyObject *self) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self;
    PyObject *yf = gen->yieldfrom;
    if (unlikely(__Pyx_Coroutine_CheckRunning(gen)))
        return NULL;
    if (yf) {
        PyObject *ret;
        gen->is_running = 1;
        #ifdef __Pyx_Generator_USED
        if (__Pyx_Generator_CheckExact(yf)) {
            ret = __Pyx_Generator_Next(yf);
        } else
        #endif
            ret = Py_TYPE(yf)->tp_iternext(yf);
        gen->is_running = 0;
        if (likely(ret)) {
            return ret;
        }
        return __Pyx_Coroutine_FinishDelegation(gen);
    }
    return __Pyx_Coroutine_SendEx(gen, Py_None);
}
static PyObject *__Pyx_Coroutine_Close(PyObject *self) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    PyObject *retval, *raised_exception;
    PyObject *yf = gen->yieldfrom;
    int err = 0;
    if (unlikely(__Pyx_Coroutine_CheckRunning(gen)))
        return NULL;
    if (yf) {
        Py_INCREF(yf);
        err = __Pyx_Coroutine_CloseIter(gen, yf);
        __Pyx_Coroutine_Undelegate(gen);
        Py_DECREF(yf);
    }
    if (err == 0)
        PyErr_SetNone(PyExc_GeneratorExit);
    retval = __Pyx_Coroutine_SendEx(gen, NULL);
    if (retval) {
        Py_DECREF(retval);
        PyErr_SetString(PyExc_RuntimeError,
                        "generator ignored GeneratorExit");
        return NULL;
    }
    raised_exception = PyErr_Occurred();
    if (!raised_exception
        || raised_exception == PyExc_StopIteration
        || raised_exception == PyExc_GeneratorExit
        || PyErr_GivenExceptionMatches(raised_exception, PyExc_GeneratorExit)
        || PyErr_GivenExceptionMatches(raised_exception, PyExc_StopIteration))
    {
        if (raised_exception) PyErr_Clear();
        Py_INCREF(Py_None);
        return Py_None;
    }
    return NULL;
}
static PyObject *__Pyx_Coroutine_Throw(PyObject *self, PyObject *args) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    PyObject *typ;
    PyObject *tb = NULL;
    PyObject *val = NULL;
    PyObject *yf = gen->yieldfrom;
    if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
        return NULL;
    if (unlikely(__Pyx_Coroutine_CheckRunning(gen)))
        return NULL;
    if (yf) {
        PyObject *ret;
        Py_INCREF(yf);
        if (PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit)) {
            int err = __Pyx_Coroutine_CloseIter(gen, yf);
            Py_DECREF(yf);
            __Pyx_Coroutine_Undelegate(gen);
            if (err < 0)
                return __Pyx_Coroutine_MethodReturn(__Pyx_Coroutine_SendEx(gen, NULL));
            goto throw_here;
        }
        gen->is_running = 1;
        #ifdef __Pyx_Generator_USED
        if (__Pyx_Generator_CheckExact(yf)) {
            ret = __Pyx_Coroutine_Throw(yf, args);
        } else
        #endif
        #ifdef __Pyx_Coroutine_USED
        if (__Pyx_Coroutine_CheckExact(yf)) {
            ret = __Pyx_Coroutine_Throw(yf, args);
        } else
        #endif
        {
            PyObject *meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_throw);
            if (unlikely(!meth)) {
                Py_DECREF(yf);
                if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
                    gen->is_running = 0;
                    return NULL;
                }
                PyErr_Clear();
                __Pyx_Coroutine_Undelegate(gen);
                gen->is_running = 0;
                goto throw_here;
            }
            ret = PyObject_CallObject(meth, args);
            Py_DECREF(meth);
        }
        gen->is_running = 0;
        Py_DECREF(yf);
        if (!ret) {
            ret = __Pyx_Coroutine_FinishDelegation(gen);
        }
        return __Pyx_Coroutine_MethodReturn(ret);
    }
throw_here:
    __Pyx_Raise(typ, val, tb, NULL);
    return __Pyx_Coroutine_MethodReturn(__Pyx_Coroutine_SendEx(gen, NULL));
}
static int __Pyx_Coroutine_traverse(PyObject *self, visitproc visit, void *arg) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    Py_VISIT(gen->closure);
    Py_VISIT(gen->classobj);
    Py_VISIT(gen->yieldfrom);
    Py_VISIT(gen->exc_type);
    Py_VISIT(gen->exc_value);
    Py_VISIT(gen->exc_traceback);
    return 0;
}
static int __Pyx_Coroutine_clear(PyObject *self) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    Py_CLEAR(gen->closure);
    Py_CLEAR(gen->classobj);
    Py_CLEAR(gen->yieldfrom);
    Py_CLEAR(gen->exc_type);
    Py_CLEAR(gen->exc_value);
    Py_CLEAR(gen->exc_traceback);
    Py_CLEAR(gen->gi_name);
    Py_CLEAR(gen->gi_qualname);
    return 0;
}
static void __Pyx_Coroutine_dealloc(PyObject *self) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    PyObject_GC_UnTrack(gen);
    if (gen->gi_weakreflist != NULL)
        PyObject_ClearWeakRefs(self);
    if (gen->resume_label > 0) {
        PyObject_GC_Track(self);
#if PY_VERSION_HEX >= 0x030400a1
        if (PyObject_CallFinalizerFromDealloc(self))
#else
        Py_TYPE(gen)->tp_del(self);
        if (self->ob_refcnt > 0)
#endif
        {
            return;
        }
        PyObject_GC_UnTrack(self);
    }
    __Pyx_Coroutine_clear(self);
    PyObject_GC_Del(gen);
}
static void __Pyx_Coroutine_del(PyObject *self) {
    PyObject *res;
    PyObject *error_type, *error_value, *error_traceback;
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    __Pyx_PyThreadState_declare
    if (gen->resume_label <= 0)
        return ;
#if PY_VERSION_HEX < 0x030400a1
    assert(self->ob_refcnt == 0);
    self->ob_refcnt = 1;
#endif
    __Pyx_PyThreadState_assign
    __Pyx_ErrFetch(&error_type, &error_value, &error_traceback);
    res = __Pyx_Coroutine_Close(self);
    if (res == NULL)
        PyErr_WriteUnraisable(self);
    else
        Py_DECREF(res);
    __Pyx_ErrRestore(error_type, error_value, error_traceback);
#if PY_VERSION_HEX < 0x030400a1
    assert(self->ob_refcnt > 0);
    if (--self->ob_refcnt == 0) {
        return;
    }
    {
        Py_ssize_t refcnt = self->ob_refcnt;
        _Py_NewReference(self);
        self->ob_refcnt = refcnt;
    }
#if CYTHON_COMPILING_IN_CPYTHON
    assert(PyType_IS_GC(self->ob_type) &&
           _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
    _Py_DEC_REFTOTAL;
#endif
#ifdef COUNT_ALLOCS
    --Py_TYPE(self)->tp_frees;
    --Py_TYPE(self)->tp_allocs;
#endif
#endif
}
static PyObject *
__Pyx_Coroutine_get_name(__pyx_CoroutineObject *self)
{
    PyObject *name = self->gi_name;
    if (unlikely(!name)) name = Py_None;
    Py_INCREF(name);
    return name;
}
static int
__Pyx_Coroutine_set_name(__pyx_CoroutineObject *self, PyObject *value)
{
    PyObject *tmp;
#if PY_MAJOR_VERSION >= 3
    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
#else
    if (unlikely(value == NULL || !PyString_Check(value))) {
#endif
        PyErr_SetString(PyExc_TypeError,
                        "__name__ must be set to a string object");
        return -1;
    }
    tmp = self->gi_name;
    Py_INCREF(value);
    self->gi_name = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_Coroutine_get_qualname(__pyx_CoroutineObject *self)
{
    PyObject *name = self->gi_qualname;
    if (unlikely(!name)) name = Py_None;
    Py_INCREF(name);
    return name;
}
static int
__Pyx_Coroutine_set_qualname(__pyx_CoroutineObject *self, PyObject *value)
{
    PyObject *tmp;
#if PY_MAJOR_VERSION >= 3
    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
#else
    if (unlikely(value == NULL || !PyString_Check(value))) {
#endif
        PyErr_SetString(PyExc_TypeError,
                        "__qualname__ must be set to a string object");
        return -1;
    }
    tmp = self->gi_qualname;
    Py_INCREF(value);
    self->gi_qualname = value;
    Py_XDECREF(tmp);
    return 0;
}
static __pyx_CoroutineObject *__Pyx__Coroutine_New(
            PyTypeObject* type, __pyx_coroutine_body_t body, PyObject *closure,
            PyObject *name, PyObject *qualname, PyObject *module_name) {
    __pyx_CoroutineObject *gen = PyObject_GC_New(__pyx_CoroutineObject, type);
    if (gen == NULL)
        return NULL;
    gen->body = body;
    gen->closure = closure;
    Py_XINCREF(closure);
    gen->is_running = 0;
    gen->resume_label = 0;
    gen->classobj = NULL;
    gen->yieldfrom = NULL;
    gen->exc_type = NULL;
    gen->exc_value = NULL;
    gen->exc_traceback = NULL;
    gen->gi_weakreflist = NULL;
    Py_XINCREF(qualname);
    gen->gi_qualname = qualname;
    Py_XINCREF(name);
    gen->gi_name = name;
    Py_XINCREF(module_name);
    gen->gi_modulename = module_name;
    PyObject_GC_Track(gen);
    return gen;
}

/* PatchModuleWithCoroutine */
                      static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code) {
#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
    int result;
    PyObject *globals, *result_obj;
    globals = PyDict_New();  if (unlikely(!globals)) goto ignore;
    result = PyDict_SetItemString(globals, "_cython_coroutine_type",
    #ifdef __Pyx_Coroutine_USED
        (PyObject*)__pyx_CoroutineType);
    #else
        Py_None);
    #endif
    if (unlikely(result < 0)) goto ignore;
    result = PyDict_SetItemString(globals, "_cython_generator_type",
    #ifdef __Pyx_Generator_USED
        (PyObject*)__pyx_GeneratorType);
    #else
        Py_None);
    #endif
    if (unlikely(result < 0)) goto ignore;
    if (unlikely(PyDict_SetItemString(globals, "_module", module) < 0)) goto ignore;
    if (unlikely(PyDict_SetItemString(globals, "__builtins__", __pyx_b) < 0)) goto ignore;
    result_obj = PyRun_String(py_code, Py_file_input, globals, globals);
    if (unlikely(!result_obj)) goto ignore;
    Py_DECREF(result_obj);
    Py_DECREF(globals);
    return module;
ignore:
    Py_XDECREF(globals);
    PyErr_WriteUnraisable(module);
    if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, "Cython module failed to patch module with custom type", 1) < 0)) {
        Py_DECREF(module);
        module = NULL;
    }
#else
    py_code++;
#endif
    return module;
}

/* PatchGeneratorABC */
                      #if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
static PyObject* __Pyx_patch_abc_module(PyObject *module);
static PyObject* __Pyx_patch_abc_module(PyObject *module) {
    module = __Pyx_Coroutine_patch_module(
        module, ""
"if _cython_generator_type is not None:\n"
"    try: Generator = _module.Generator\n"
"    except AttributeError: pass\n"
"    else: Generator.register(_cython_generator_type)\n"
"if _cython_coroutine_type is not None:\n"
"    try: Coroutine = _module.Coroutine\n"
"    except AttributeError: pass\n"
"    else: Coroutine.register(_cython_coroutine_type)\n"
    );
    return module;
}
#endif
static int __Pyx_patch_abc(void) {
#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
    static int abc_patched = 0;
    if (!abc_patched) {
        PyObject *module;
        module = PyImport_ImportModule((PY_VERSION_HEX >= 0x03030000) ? "collections.abc" : "collections");
        if (!module) {
            PyErr_WriteUnraisable(NULL);
            if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning,
                    ((PY_VERSION_HEX >= 0x03030000) ?
                        "Cython module failed to register with collections.abc module" :
                        "Cython module failed to register with collections module"), 1) < 0)) {
                return -1;
            }
        } else {
            module = __Pyx_patch_abc_module(module);
            abc_patched = 1;
            if (unlikely(!module))
                return -1;
            Py_DECREF(module);
        }
        module = PyImport_ImportModule("backports_abc");
        if (module) {
            module = __Pyx_patch_abc_module(module);
            Py_XDECREF(module);
        }
        if (!module) {
            PyErr_Clear();
        }
    }
#else
    if (0) __Pyx_Coroutine_patch_module(NULL, NULL);
#endif
    return 0;
}

/* Generator */
                      static PyMethodDef __pyx_Generator_methods[] = {
    {"send", (PyCFunction) __Pyx_Coroutine_Send, METH_O,
     (char*) PyDoc_STR("send(arg) -> send 'arg' into generator,\nreturn next yielded value or raise StopIteration.")},
    {"throw", (PyCFunction) __Pyx_Coroutine_Throw, METH_VARARGS,
     (char*) PyDoc_STR("throw(typ[,val[,tb]]) -> raise exception in generator,\nreturn next yielded value or raise StopIteration.")},
    {"close", (PyCFunction) __Pyx_Coroutine_Close, METH_NOARGS,
     (char*) PyDoc_STR("close() -> raise GeneratorExit inside generator.")},
    {0, 0, 0, 0}
};
static PyMemberDef __pyx_Generator_memberlist[] = {
    {(char *) "gi_running", T_BOOL, offsetof(__pyx_CoroutineObject, is_running), READONLY, NULL},
    {(char*) "gi_yieldfrom", T_OBJECT, offsetof(__pyx_CoroutineObject, yieldfrom), READONLY,
     (char*) PyDoc_STR("object being iterated by 'yield from', or None")},
    {0, 0, 0, 0, 0}
};
static PyGetSetDef __pyx_Generator_getsets[] = {
    {(char *) "__name__", (getter)__Pyx_Coroutine_get_name, (setter)__Pyx_Coroutine_set_name,
     (char*) PyDoc_STR("name of the generator"), 0},
    {(char *) "__qualname__", (getter)__Pyx_Coroutine_get_qualname, (setter)__Pyx_Coroutine_set_qualname,
     (char*) PyDoc_STR("qualified name of the generator"), 0},
    {0, 0, 0, 0, 0}
};
static PyTypeObject __pyx_GeneratorType_type = {
    PyVarObject_HEAD_INIT(0, 0)
    "generator",
    sizeof(__pyx_CoroutineObject),
    0,
    (destructor) __Pyx_Coroutine_dealloc,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE,
    0,
    (traverseproc) __Pyx_Coroutine_traverse,
    0,
    0,
    offsetof(__pyx_CoroutineObject, gi_weakreflist),
    0,
    (iternextfunc) __Pyx_Generator_Next,
    __pyx_Generator_methods,
    __pyx_Generator_memberlist,
    __pyx_Generator_getsets,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
#if PY_VERSION_HEX >= 0x030400a1
    0,
#else
    __Pyx_Coroutine_del,
#endif
    0,
#if PY_VERSION_HEX >= 0x030400a1
    __Pyx_Coroutine_del,
#endif
};
static int __pyx_Generator_init(void) {
    __pyx_GeneratorType_type.tp_getattro = PyObject_GenericGetAttr;
    __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
    __pyx_GeneratorType = __Pyx_FetchCommonType(&__pyx_GeneratorType_type);
    if (unlikely(!__pyx_GeneratorType)) {
        return -1;
    }
    return 0;
}

/* CheckBinaryVersion */
                      static int __Pyx_check_binary_version(void) {
    char ctversion[4], rtversion[4];
    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
        char message[200];
        PyOS_snprintf(message, sizeof(message),
                      "compiletime version %s of module '%.100s' "
                      "does not match runtime version %s",
                      ctversion, __Pyx_MODULE_NAME, rtversion);
        return PyErr_WarnEx(NULL, message, 1);
    }
    return 0;
}

/* ModuleImport */
                      #ifndef __PYX_HAVE_RT_ImportModule
#define __PYX_HAVE_RT_ImportModule
static PyObject *__Pyx_ImportModule(const char *name) {
    PyObject *py_name = 0;
    PyObject *py_module = 0;
    py_name = __Pyx_PyIdentifier_FromString(name);
    if (!py_name)
        goto bad;
    py_module = PyImport_Import(py_name);
    Py_DECREF(py_name);
    return py_module;
bad:
    Py_XDECREF(py_name);
    return 0;
}
#endif

/* TypeImport */
                      #ifndef __PYX_HAVE_RT_ImportType
#define __PYX_HAVE_RT_ImportType
static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
    size_t size, int strict)
{
    PyObject *py_module = 0;
    PyObject *result = 0;
    PyObject *py_name = 0;
    char warning[200];
    Py_ssize_t basicsize;
#ifdef Py_LIMITED_API
    PyObject *py_basicsize;
#endif
    py_module = __Pyx_ImportModule(module_name);
    if (!py_module)
        goto bad;
    py_name = __Pyx_PyIdentifier_FromString(class_name);
    if (!py_name)
        goto bad;
    result = PyObject_GetAttr(py_module, py_name);
    Py_DECREF(py_name);
    py_name = 0;
    Py_DECREF(py_module);
    py_module = 0;
    if (!result)
        goto bad;
    if (!PyType_Check(result)) {
        PyErr_Format(PyExc_TypeError,
            "%.200s.%.200s is not a type object",
            module_name, class_name);
        goto bad;
    }
#ifndef Py_LIMITED_API
    basicsize = ((PyTypeObject *)result)->tp_basicsize;
#else
    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
    if (!py_basicsize)
        goto bad;
    basicsize = PyLong_AsSsize_t(py_basicsize);
    Py_DECREF(py_basicsize);
    py_basicsize = 0;
    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
        goto bad;
#endif
    if (!strict && (size_t)basicsize > size) {
        PyOS_snprintf(warning, sizeof(warning),
            "%s.%s size changed, may indicate binary incompatibility. Expected %zd, got %zd",
            module_name, class_name, basicsize, size);
        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
    }
    else if ((size_t)basicsize != size) {
        PyErr_Format(PyExc_ValueError,
            "%.200s.%.200s has the wrong size, try recompiling. Expected %zd, got %zd",
            module_name, class_name, basicsize, size);
        goto bad;
    }
    return (PyTypeObject *)result;
bad:
    Py_XDECREF(py_module);
    Py_XDECREF(result);
    return NULL;
}
#endif

/* VoidPtrImport */
                      #ifndef __PYX_HAVE_RT_ImportVoidPtr
#define __PYX_HAVE_RT_ImportVoidPtr
static int __Pyx_ImportVoidPtr(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

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

static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
}
static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
    Py_ssize_t ignore;
    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
}
static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
#if CYTHON_COMPILING_IN_CPYTHON && (__PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT)
    if (
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
            __Pyx_sys_getdefaultencoding_not_ascii &&
#endif
            PyUnicode_Check(o)) {
#if PY_VERSION_HEX < 0x03030000
        char* defenc_c;
        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
        if (!defenc) return NULL;
        defenc_c = PyBytes_AS_STRING(defenc);
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
        {
            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
            char* c;
            for (c = defenc_c; c < end; c++) {
                if ((unsigned char) (*c) >= 128) {
                    PyUnicode_AsASCIIString(o);
                    return NULL;
                }
            }
        }
#endif
        *length = PyBytes_GET_SIZE(defenc);
        return defenc_c;
#else
        if (__Pyx_PyUnicode_READY(o) == -1) return NULL;
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
        if (PyUnicode_IS_ASCII(o)) {
            *length = PyUnicode_GET_LENGTH(o);
            return PyUnicode_AsUTF8(o);
        } else {
            PyUnicode_AsASCIIString(o);
            return NULL;
        }
#else
        return PyUnicode_AsUTF8AndSize(o, length);
#endif
#endif
    } else
#endif
#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
    if (PyByteArray_Check(o)) {
        *length = PyByteArray_GET_SIZE(o);
        return PyByteArray_AS_STRING(o);
    } else
#endif
    {
        char* result;
        int r = PyBytes_AsStringAndSize(o, &result, length);
        if (unlikely(r < 0)) {
            return NULL;
        } else {
            return result;
        }
    }
}
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
   int is_true = x == Py_True;
   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
   else return PyObject_IsTrue(x);
}
static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
#if CYTHON_USE_TYPE_SLOTS
  PyNumberMethods *m;
#endif
  const char *name = NULL;
  PyObject *res = NULL;
#if PY_MAJOR_VERSION < 3
  if (PyInt_Check(x) || PyLong_Check(x))
#else
  if (PyLong_Check(x))
#endif
    return __Pyx_NewRef(x);
#if CYTHON_USE_TYPE_SLOTS
  m = Py_TYPE(x)->tp_as_number;
  #if PY_MAJOR_VERSION < 3
  if (m && m->nb_int) {
    name = "int";
    res = PyNumber_Int(x);
  }
  else if (m && m->nb_long) {
    name = "long";
    res = PyNumber_Long(x);
  }
  #else
  if (m && m->nb_int) {
    name = "int";
    res = PyNumber_Long(x);
  }
  #endif
#else
  res = PyNumber_Int(x);
#endif
  if (res) {
#if PY_MAJOR_VERSION < 3
    if (!PyInt_Check(res) && !PyLong_Check(res)) {
#else
    if (!PyLong_Check(res)) {
#endif
      PyErr_Format(PyExc_TypeError,
                   "__%.4s__ returned non-%.4s (type %.200s)",
                   name, name, Py_TYPE(res)->tp_name);
      Py_DECREF(res);
      return NULL;
    }
  }
  else if (!PyErr_Occurred()) {
    PyErr_SetString(PyExc_TypeError,
                    "an integer is required");
  }
  return res;
}
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
  Py_ssize_t ival;
  PyObject *x;
#if PY_MAJOR_VERSION < 3
  if (likely(PyInt_CheckExact(b))) {
    if (sizeof(Py_ssize_t) >= sizeof(long))
        return PyInt_AS_LONG(b);
    else
        return PyInt_AsSsize_t(x);
  }
#endif
  if (likely(PyLong_CheckExact(b))) {
    #if CYTHON_USE_PYLONG_INTERNALS
    const digit* digits = ((PyLongObject*)b)->ob_digit;
    const Py_ssize_t size = Py_SIZE(b);
    if (likely(__Pyx_sst_abs(size) <= 1)) {
        ival = likely(size) ? digits[0] : 0;
        if (size == -1) ival = -ival;
        return ival;
    } else {
      switch (size) {
         case 2:
           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -2:
           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case 3:
           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -3:
           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case 4:
           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -4:
           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
      }
    }
    #endif
    return PyLong_AsSsize_t(b);
  }
  x = PyNumber_Index(b);
  if (!x) return -1;
  ival = PyInt_AsSsize_t(x);
  Py_DECREF(x);
  return ival;
}
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
    return PyInt_FromSize_t(ival);
}


#endif /* Py_PYTHON_H */
