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    #define __Pyx_GIVEREF(r)
    #define __Pyx_XINCREF(r) Py_XINCREF(r)
    #define __Pyx_XDECREF(r) Py_XDECREF(r)
    #define __Pyx_XGOTREF(r)
    #define __Pyx_XGIVEREF(r)
  #endif
  #define __Pyx_XDECREF_SET(r, v) do {\
          PyObject *tmp = (PyObject *) r;\
          r = v; __Pyx_XDECREF(tmp);\
      } while (0)
  #define __Pyx_DECREF_SET(r, v) do {\
          PyObject *tmp = (PyObject *) r;\
          r = v; __Pyx_DECREF(tmp);\
      } while (0)
  #define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
  #define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
  
  /* PyObjectGetAttrStr.proto */
  #if CYTHON_USE_TYPE_SLOTS
  static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name);
  #else
  #define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
  #endif
  
  /* GetBuiltinName.proto */
  static PyObject *__Pyx_GetBuiltinName(PyObject *name);
  
  /* RaiseDoubleKeywords.proto */
  static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
  
  /* ParseKeywords.proto */
  static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\
      PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\
      const char* function_name);
  
  /* RaiseArgTupleInvalid.proto */
  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);
  
  /* None.proto */
  static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname);
  
  /* PyFunctionFastCall.proto */
  #if CYTHON_FAST_PYCALL
  #define __Pyx_PyFunction_FastCall(func, args, nargs)\
      __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL)
  #if 1 || PY_VERSION_HEX < 0x030600B1
  static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs);
  #else
  #define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs)
  #endif
  #define __Pyx_BUILD_ASSERT_EXPR(cond)\
      (sizeof(char [1 - 2*!(cond)]) - 1)
  #ifndef Py_MEMBER_SIZE
  #define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member)
  #endif
    static size_t __pyx_pyframe_localsplus_offset = 0;
    #include "frameobject.h"
    #define __Pxy_PyFrame_Initialize_Offsets()\
      ((void)__Pyx_BUILD_ASSERT_EXPR(sizeof(PyFrameObject) == offsetof(PyFrameObject, f_localsplus) + Py_MEMBER_SIZE(PyFrameObject, f_localsplus)),\
       (void)(__pyx_pyframe_localsplus_offset = ((size_t)PyFrame_Type.tp_basicsize) - Py_MEMBER_SIZE(PyFrameObject, f_localsplus)))
    #define __Pyx_PyFrame_GetLocalsplus(frame)\
      (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset))
  #endif
  
  /* PyObjectCall.proto */
  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
  #else
  #define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
  #endif
  
  /* PyObjectCallMethO.proto */
  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
  #endif
  
  /* PyObjectCallNoArg.proto */
  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
  #else
  #define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL)
  #endif
  
  /* PyCFunctionFastCall.proto */
  #if CYTHON_FAST_PYCCALL
  static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs);
  #else
  #define __Pyx_PyCFunction_FastCall(func, args, nargs)  (assert(0), NULL)
  #endif
  
  /* PyObjectCallOneArg.proto */
  static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
  
  /* PyDictVersioning.proto */
  #if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
  #define __PYX_DICT_VERSION_INIT  ((PY_UINT64_T) -1)
  #define __PYX_GET_DICT_VERSION(dict)  (((PyDictObject*)(dict))->ma_version_tag)
  #define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\
      (version_var) = __PYX_GET_DICT_VERSION(dict);\
      (cache_var) = (value);
  #define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\
      static PY_UINT64_T __pyx_dict_version = 0;\
      static PyObject *__pyx_dict_cached_value = NULL;\
      if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\
          (VAR) = __pyx_dict_cached_value;\
      } else {\
          (VAR) = __pyx_dict_cached_value = (LOOKUP);\
          __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\
      }\
  }
  static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj);
  static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj);
  static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version);
  #else
  #define __PYX_GET_DICT_VERSION(dict)  (0)
  #define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)
  #define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP)  (VAR) = (LOOKUP);
  #endif
  
  /* GetModuleGlobalName.proto */
  #if CYTHON_USE_DICT_VERSIONS
  #define __Pyx_GetModuleGlobalName(var, name)  {\
      static PY_UINT64_T __pyx_dict_version = 0;\
      static PyObject *__pyx_dict_cached_value = NULL;\
      (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\
          (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\
          __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
  }
  #define __Pyx_GetModuleGlobalNameUncached(var, name)  {\
      PY_UINT64_T __pyx_dict_version;\
      PyObject *__pyx_dict_cached_value;\
      (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
  }
  static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value);
  #else
  #define __Pyx_GetModuleGlobalName(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
  #define __Pyx_GetModuleGlobalNameUncached(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
  static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name);
  #endif
  
  /* PyObjectCall2Args.proto */
  static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2);
  
  /* PyObjectLookupSpecial.proto */
  #if CYTHON_USE_PYTYPE_LOOKUP && CYTHON_USE_TYPE_SLOTS
  static CYTHON_INLINE PyObject* __Pyx_PyObject_LookupSpecial(PyObject* obj, PyObject* attr_name) {
      PyObject *res;
      PyTypeObject *tp = Py_TYPE(obj);
  #if PY_MAJOR_VERSION < 3
      if (unlikely(PyInstance_Check(obj)))
          return __Pyx_PyObject_GetAttrStr(obj, attr_name);
  #endif
      res = _PyType_Lookup(tp, attr_name);
      if (likely(res)) {
          descrgetfunc f = Py_TYPE(res)->tp_descr_get;
          if (!f) {
              Py_INCREF(res);
          } else {
              res = f(res, obj, (PyObject *)tp);
          }
      } else {
          PyErr_SetObject(PyExc_AttributeError, attr_name);
      }
      return res;
  }
  #else
  #define __Pyx_PyObject_LookupSpecial(o,n) __Pyx_PyObject_GetAttrStr(o,n)
  #endif
  
  /* PyThreadStateGet.proto */
  #if CYTHON_FAST_THREAD_STATE
  #define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
  #define __Pyx_PyThreadState_assign  __pyx_tstate = __Pyx_PyThreadState_Current;
  #define __Pyx_PyErr_Occurred()  __pyx_tstate->curexc_type
  #else
  #define __Pyx_PyThreadState_declare
  #define __Pyx_PyThreadState_assign
  #define __Pyx_PyErr_Occurred()  PyErr_Occurred()
  #endif
  
  /* PyErrFetchRestore.proto */
  #if CYTHON_FAST_THREAD_STATE
  #define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL)
  #define __Pyx_ErrRestoreWithState(type, value, tb)  __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb)
  #define __Pyx_ErrFetchWithState(type, value, tb)    __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb)
  #define __Pyx_ErrRestore(type, value, tb)  __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb)
  #define __Pyx_ErrFetch(type, value, tb)    __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb)
  static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
  static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
  #if CYTHON_COMPILING_IN_CPYTHON
  #define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL))
  #else
  #define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
  #endif
  #else
  #define __Pyx_PyErr_Clear() PyErr_Clear()
  #define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
  #define __Pyx_ErrRestoreWithState(type, value, tb)  PyErr_Restore(type, value, tb)
  #define __Pyx_ErrFetchWithState(type, value, tb)  PyErr_Fetch(type, value, tb)
  #define __Pyx_ErrRestoreInState(tstate, type, value, tb)  PyErr_Restore(type, value, tb)
  #define __Pyx_ErrFetchInState(tstate, type, value, tb)  PyErr_Fetch(type, value, tb)
  #define __Pyx_ErrRestore(type, value, tb)  PyErr_Restore(type, value, tb)
  #define __Pyx_ErrFetch(type, value, tb)  PyErr_Fetch(type, value, tb)
  #endif
  
  /* IterNext.proto */
  #define __Pyx_PyIter_Next(obj) __Pyx_PyIter_Next2(obj, NULL)
  static CYTHON_INLINE PyObject *__Pyx_PyIter_Next2(PyObject *, PyObject *);
  
  /* RaiseException.proto */
  static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
  
  /* GetTopmostException.proto */
  #if CYTHON_USE_EXC_INFO_STACK
  static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate);
  #endif
  
  /* SaveResetException.proto */
  #if CYTHON_FAST_THREAD_STATE
  #define __Pyx_ExceptionSave(type, value, tb)  __Pyx__ExceptionSave(__pyx_tstate, type, value, tb)
  static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
  #define __Pyx_ExceptionReset(type, value, tb)  __Pyx__ExceptionReset(__pyx_tstate, type, value, tb)
  static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
  #else
  #define __Pyx_ExceptionSave(type, value, tb)   PyErr_GetExcInfo(type, value, tb)
  #define __Pyx_ExceptionReset(type, value, tb)  PyErr_SetExcInfo(type, value, tb)
  #endif
  
  /* PyErrExceptionMatches.proto */
  #if CYTHON_FAST_THREAD_STATE
  #define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err)
  static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err);
  #else
  #define __Pyx_PyErr_ExceptionMatches(err)  PyErr_ExceptionMatches(err)
  #endif
  
  /* PyIntBinop.proto */
  #if !CYTHON_COMPILING_IN_PYPY
  static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check);
  #else
  #define __Pyx_PyInt_AddObjC(op1, op2, intval, inplace, zerodivision_check)\
      (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2))
  #endif
  
  /* 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);
  
  /* GetException.proto */
  #if CYTHON_FAST_THREAD_STATE
  #define __Pyx_GetException(type, value, tb)  __Pyx__GetException(__pyx_tstate, type, value, tb)
  static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
  #else
  static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb);
  #endif
  
  /* None.proto */
  static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
  
  /* 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);
          __Pyx_SET_SIZE(list, len + 1);
          return 0;
      }
      return PyList_Append(list, x);
  }
  #else
  #define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
  #endif
  
  /* PyIntCompare.proto */
  static CYTHON_INLINE PyObject* __Pyx_PyInt_EqObjC(PyObject *op1, PyObject *op2, long intval, long inplace);
  
  /* GetAttr.proto */
  static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *);
  
  /* GetAttr3.proto */
  static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *, PyObject *, PyObject *);
  
  /* Import.proto */
  static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);
  
  /* ImportFrom.proto */
  static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name);
  
  /* GetItemInt.proto */
  #define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
      (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
      __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) :\
      (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) :\
                 __Pyx_GetItemInt_Generic(o, to_py_func(i))))
  #define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
      (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
      __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\
      (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL))
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
                                                                int wraparound, int boundscheck);
  #define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
      (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
      __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\
      (PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL))
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
                                                                int wraparound, int boundscheck);
  static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j);
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
                                                       int is_list, int wraparound, int boundscheck);
  
  /* HasAttr.proto */
  static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *);
  
  /* IncludeStringH.proto */
  #include <string.h>
  
  /* PyObject_GenericGetAttrNoDict.proto */
  #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
  static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name);
  #else
  #define __Pyx_PyObject_GenericGetAttrNoDict PyObject_GenericGetAttr
  #endif
  
  /* PyObject_GenericGetAttr.proto */
  #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
  static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name);
  #else
  #define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr
  #endif
  
  /* PyObjectGetAttrStrNoError.proto */
  static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name);
  
  /* SetupReduce.proto */
  static int __Pyx_setup_reduce(PyObject* type_obj);
  
  /* CLineInTraceback.proto */
  #ifdef CYTHON_CLINE_IN_TRACEBACK
  #define __Pyx_CLineForTraceback(tstate, c_line)  (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0)
  #else
  static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line);
  #endif
  
  /* CodeObjectCache.proto */
  typedef struct {
      PyCodeObject* code_object;
      int code_line;
  } __Pyx_CodeObjectCacheEntry;
  struct __Pyx_CodeObjectCache {
      int count;
      int max_count;
      __Pyx_CodeObjectCacheEntry* entries;
  };
  static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
  static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
  static PyCodeObject *__pyx_find_code_object(int code_line);
  static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
  
  /* AddTraceback.proto */
  static void __Pyx_AddTraceback(const char *funcname, int c_line,
                                 int py_line, const char *filename);
  
  /* CIntToPy.proto */
  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_PY_LONG_LONG(PY_LONG_LONG value);
  
  /* CIntToPy.proto */
  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
  
  /* CIntFromPy.proto */
  static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_As_PY_LONG_LONG(PyObject *);
  
  /* CIntFromPy.proto */
  static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
  
  /* CIntFromPy.proto */
  static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
  
  /* FastTypeChecks.proto */
  #if CYTHON_COMPILING_IN_CPYTHON
  #define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type)
  static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b);
  static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type);
  static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2);
  #else
  #define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
  #define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type)
  #define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2))
  #endif
  #define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)
  
  /* FetchCommonType.proto */
  static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type);
  
  /* 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
  
  /* PyObjectGetMethod.proto */
  static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method);
  
  /* PyObjectCallMethod1.proto */
  static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg);
  
  /* CoroutineBase.proto */
  typedef PyObject *(*__pyx_coroutine_body_t)(PyObject *, PyThreadState *, PyObject *);
  #if CYTHON_USE_EXC_INFO_STACK
  #define __Pyx_ExcInfoStruct  _PyErr_StackItem
  #else
  typedef struct {
      PyObject *exc_type;
      PyObject *exc_value;
      PyObject *exc_traceback;
  } __Pyx_ExcInfoStruct;
  #endif
  typedef struct {
      PyObject_HEAD
      __pyx_coroutine_body_t body;
      PyObject *closure;
      __Pyx_ExcInfoStruct gi_exc_state;
      PyObject *gi_weakreflist;
      PyObject *classobj;
      PyObject *yieldfrom;
      PyObject *gi_name;
      PyObject *gi_qualname;
      PyObject *gi_modulename;
      PyObject *gi_code;
      int resume_label;
      char is_running;
  } __pyx_CoroutineObject;
  static __pyx_CoroutineObject *__Pyx__Coroutine_New(
      PyTypeObject *type, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
      PyObject *name, PyObject *qualname, PyObject *module_name);
  static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit(
              __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
              PyObject *name, PyObject *qualname, PyObject *module_name);
  static CYTHON_INLINE void __Pyx_Coroutine_ExceptionClear(__Pyx_ExcInfoStruct *self);
  static int __Pyx_Coroutine_clear(PyObject *self);
  static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value);
  static PyObject *__Pyx_Coroutine_Close(PyObject *self);
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  /* Module declarations from 'gensim.corpora._mmreader' */
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    0, /*sq_concat*/
    0, /*sq_repeat*/
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    0, /*sq_ass_slice*/
    0, /*sq_contains*/
    0, /*sq_inplace_concat*/
    0, /*sq_inplace_repeat*/
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  static PyMappingMethods __pyx_tp_as_mapping_MmReader = {
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    0, /*mp_subscript*/
    0, /*mp_ass_subscript*/
  };
  
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    0, /*tp_print*/
    #endif
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    #endif
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  }
  #endif
  
  /* PyObjectGetAttrStr */
  #if CYTHON_USE_TYPE_SLOTS
  static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
      PyTypeObject* tp = Py_TYPE(obj);
      if (likely(tp->tp_getattro))
          return tp->tp_getattro(obj, attr_name);
  #if PY_MAJOR_VERSION < 3
      if (likely(tp->tp_getattr))
          return tp->tp_getattr(obj, PyString_AS_STRING(attr_name));
  #endif
      return PyObject_GetAttr(obj, attr_name);
  }
  #endif
  
  /* GetBuiltinName */
  static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
      PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name);
      if (unlikely(!result)) {
          PyErr_Format(PyExc_NameError,
  #if PY_MAJOR_VERSION >= 3
              "name '%U' is not defined", name);
  #else
              "name '%.200s' is not defined", PyString_AS_STRING(name));
  #endif
      }
      return result;
  }
  
  /* 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_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
                      (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(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
                          (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(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;
  }
  
  /* 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);
  }
  
  /* None */
  static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname) {
      PyErr_Format(PyExc_NameError, "free variable '%s' referenced before assignment in enclosing scope", varname);
  }
  
  /* PyFunctionFastCall */
  #if CYTHON_FAST_PYCALL
  static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
                                                 PyObject *globals) {
      PyFrameObject *f;
      PyThreadState *tstate = __Pyx_PyThreadState_Current;
      PyObject **fastlocals;
      Py_ssize_t i;
      PyObject *result;
      assert(globals != NULL);
      /* XXX Perhaps we should create a specialized
         PyFrame_New() that doesn't take locals, but does
         take builtins without sanity checking them.
         */
      assert(tstate != NULL);
      f = PyFrame_New(tstate, co, globals, NULL);
      if (f == NULL) {
          return NULL;
      }
      fastlocals = __Pyx_PyFrame_GetLocalsplus(f);
      for (i = 0; i < na; i++) {
          Py_INCREF(*args);
          fastlocals[i] = *args++;
      }
      result = PyEval_EvalFrameEx(f,0);
      ++tstate->recursion_depth;
      Py_DECREF(f);
      --tstate->recursion_depth;
      return result;
  }
  #if 1 || PY_VERSION_HEX < 0x030600B1
  static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) {
      PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
      PyObject *globals = PyFunction_GET_GLOBALS(func);
      PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
      PyObject *closure;
  #if PY_MAJOR_VERSION >= 3
      PyObject *kwdefs;
  #endif
      PyObject *kwtuple, **k;
      PyObject **d;
      Py_ssize_t nd;
      Py_ssize_t nk;
      PyObject *result;
      assert(kwargs == NULL || PyDict_Check(kwargs));
      nk = kwargs ? PyDict_Size(kwargs) : 0;
      if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
          return NULL;
      }
      if (
  #if PY_MAJOR_VERSION >= 3
              co->co_kwonlyargcount == 0 &&
  #endif
              likely(kwargs == NULL || nk == 0) &&
              co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
          if (argdefs == NULL && co->co_argcount == nargs) {
              result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
              goto done;
          }
          else if (nargs == 0 && argdefs != NULL
                   && co->co_argcount == Py_SIZE(argdefs)) {
              /* function called with no arguments, but all parameters have
                 a default value: use default values as arguments .*/
              args = &PyTuple_GET_ITEM(argdefs, 0);
              result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
              goto done;
          }
      }
      if (kwargs != NULL) {
          Py_ssize_t pos, i;
          kwtuple = PyTuple_New(2 * nk);
          if (kwtuple == NULL) {
              result = NULL;
              goto done;
          }
          k = &PyTuple_GET_ITEM(kwtuple, 0);
          pos = i = 0;
          while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
              Py_INCREF(k[i]);
              Py_INCREF(k[i+1]);
              i += 2;
          }
          nk = i / 2;
      }
      else {
          kwtuple = NULL;
          k = NULL;
      }
      closure = PyFunction_GET_CLOSURE(func);
  #if PY_MAJOR_VERSION >= 3
      kwdefs = PyFunction_GET_KW_DEFAULTS(func);
  #endif
      if (argdefs != NULL) {
          d = &PyTuple_GET_ITEM(argdefs, 0);
          nd = Py_SIZE(argdefs);
      }
      else {
          d = NULL;
          nd = 0;
      }
  #if PY_MAJOR_VERSION >= 3
      result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
                                 args, (int)nargs,
                                 k, (int)nk,
                                 d, (int)nd, kwdefs, closure);
  #else
      result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
                                 args, (int)nargs,
                                 k, (int)nk,
                                 d, (int)nd, closure);
  #endif
      Py_XDECREF(kwtuple);
  done:
      Py_LeaveRecursiveCall();
      return result;
  }
  #endif
  #endif
  
  /* 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
  
  /* PyObjectCallNoArg */
  #if CYTHON_COMPILING_IN_CPYTHON
  static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
  #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(func)) {
          return __Pyx_PyFunction_FastCall(func, NULL, 0);
      }
  #endif
  #ifdef __Pyx_CyFunction_USED
      if (likely(PyCFunction_Check(func) || __Pyx_CyFunction_Check(func)))
  #else
      if (likely(PyCFunction_Check(func)))
  #endif
      {
          if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) {
              return __Pyx_PyObject_CallMethO(func, NULL);
          }
      }
      return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL);
  }
  #endif
  
  /* PyCFunctionFastCall */
  #if CYTHON_FAST_PYCCALL
  static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) {
      PyCFunctionObject *func = (PyCFunctionObject*)func_obj;
      PyCFunction meth = PyCFunction_GET_FUNCTION(func);
      PyObject *self = PyCFunction_GET_SELF(func);
      int flags = PyCFunction_GET_FLAGS(func);
      assert(PyCFunction_Check(func));
      assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS)));
      assert(nargs >= 0);
      assert(nargs == 0 || args != NULL);
      /* _PyCFunction_FastCallDict() must not be called with an exception set,
         because it may clear it (directly or indirectly) and so the
         caller loses its exception */
      assert(!PyErr_Occurred());
      if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) {
          return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL);
      } else {
          return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs);
      }
  }
  #endif
  
  /* PyObjectCallOneArg */
  #if CYTHON_COMPILING_IN_CPYTHON
  static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
      PyObject *result;
      PyObject *args = PyTuple_New(1);
      if (unlikely(!args)) return NULL;
      Py_INCREF(arg);
      PyTuple_SET_ITEM(args, 0, arg);
      result = __Pyx_PyObject_Call(func, args, NULL);
      Py_DECREF(args);
      return result;
  }
  static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
  #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(func)) {
          return __Pyx_PyFunction_FastCall(func, &arg, 1);
      }
  #endif
      if (likely(PyCFunction_Check(func))) {
          if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
              return __Pyx_PyObject_CallMethO(func, arg);
  #if CYTHON_FAST_PYCCALL
          } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) {
              return __Pyx_PyCFunction_FastCall(func, &arg, 1);
  #endif
          }
      }
      return __Pyx__PyObject_CallOneArg(func, arg);
  }
  #else
  static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
      PyObject *result;
      PyObject *args = PyTuple_Pack(1, arg);
      if (unlikely(!args)) return NULL;
      result = __Pyx_PyObject_Call(func, args, NULL);
      Py_DECREF(args);
      return result;
  }
  #endif
  
  /* PyDictVersioning */
  #if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
  static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) {
      PyObject *dict = Py_TYPE(obj)->tp_dict;
      return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0;
  }
  static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) {
      PyObject **dictptr = NULL;
      Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset;
      if (offset) {
  #if CYTHON_COMPILING_IN_CPYTHON
          dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj);
  #else
          dictptr = _PyObject_GetDictPtr(obj);
  #endif
      }
      return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0;
  }
  static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) {
      PyObject *dict = Py_TYPE(obj)->tp_dict;
      if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict)))
          return 0;
      return obj_dict_version == __Pyx_get_object_dict_version(obj);
  }
  #endif
  
  /* GetModuleGlobalName */
  #if CYTHON_USE_DICT_VERSIONS
  static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value)
  #else
  static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
  #endif
  {
      PyObject *result;
  #if !CYTHON_AVOID_BORROWED_REFS
  #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1
      result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash);
      __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
      if (likely(result)) {
          return __Pyx_NewRef(result);
      } else if (unlikely(PyErr_Occurred())) {
          return NULL;
      }
  #else
      result = PyDict_GetItem(__pyx_d, name);
      __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
      if (likely(result)) {
          return __Pyx_NewRef(result);
      }
  #endif
  #else
      result = PyObject_GetItem(__pyx_d, name);
      __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
      if (likely(result)) {
          return __Pyx_NewRef(result);
      }
      PyErr_Clear();
  #endif
      return __Pyx_GetBuiltinName(name);
  }
  
  /* PyObjectCall2Args */
  static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) {
      PyObject *args, *result = NULL;
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(function)) {
          PyObject *args[2] = {arg1, arg2};
          return __Pyx_PyFunction_FastCall(function, args, 2);
      }
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(function)) {
          PyObject *args[2] = {arg1, arg2};
          return __Pyx_PyCFunction_FastCall(function, args, 2);
      }
      #endif
      args = PyTuple_New(2);
      if (unlikely(!args)) goto done;
      Py_INCREF(arg1);
      PyTuple_SET_ITEM(args, 0, arg1);
      Py_INCREF(arg2);
      PyTuple_SET_ITEM(args, 1, arg2);
      Py_INCREF(function);
      result = __Pyx_PyObject_Call(function, args, NULL);
      Py_DECREF(args);
      Py_DECREF(function);
  done:
      return result;
  }
  
  /* PyErrFetchRestore */
  #if CYTHON_FAST_THREAD_STATE
  static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      tmp_type = tstate->curexc_type;
      tmp_value = tstate->curexc_value;
      tmp_tb = tstate->curexc_traceback;
      tstate->curexc_type = type;
      tstate->curexc_value = value;
      tstate->curexc_traceback = tb;
      Py_XDECREF(tmp_type);
      Py_XDECREF(tmp_value);
      Py_XDECREF(tmp_tb);
  }
  static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
      *type = tstate->curexc_type;
      *value = tstate->curexc_value;
      *tb = tstate->curexc_traceback;
      tstate->curexc_type = 0;
      tstate->curexc_value = 0;
      tstate->curexc_traceback = 0;
  }
  #endif
  
  /* IterNext */
  static PyObject *__Pyx_PyIter_Next2Default(PyObject* defval) {
      PyObject* exc_type;
      __Pyx_PyThreadState_declare
      __Pyx_PyThreadState_assign
      exc_type = __Pyx_PyErr_Occurred();
      if (unlikely(exc_type)) {
          if (!defval || unlikely(!__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)))
              return NULL;
          __Pyx_PyErr_Clear();
          Py_INCREF(defval);
          return defval;
      }
      if (defval) {
          Py_INCREF(defval);
          return defval;
      }
      __Pyx_PyErr_SetNone(PyExc_StopIteration);
      return NULL;
  }
  static void __Pyx_PyIter_Next_ErrorNoIterator(PyObject *iterator) {
      PyErr_Format(PyExc_TypeError,
          "%.200s object is not an iterator", Py_TYPE(iterator)->tp_name);
  }
  static CYTHON_INLINE PyObject *__Pyx_PyIter_Next2(PyObject* iterator, PyObject* defval) {
      PyObject* next;
      iternextfunc iternext = Py_TYPE(iterator)->tp_iternext;
      if (likely(iternext)) {
  #if CYTHON_USE_TYPE_SLOTS
          next = iternext(iterator);
          if (likely(next))
              return next;
          #if PY_VERSION_HEX >= 0x02070000
          if (unlikely(iternext == &_PyObject_NextNotImplemented))
              return NULL;
          #endif
  #else
          next = PyIter_Next(iterator);
          if (likely(next))
              return next;
  #endif
      } else if (CYTHON_USE_TYPE_SLOTS || unlikely(!PyIter_Check(iterator))) {
          __Pyx_PyIter_Next_ErrorNoIterator(iterator);
          return NULL;
      }
  #if !CYTHON_USE_TYPE_SLOTS
      else {
          next = PyIter_Next(iterator);
          if (likely(next))
              return next;
      }
  #endif
      return __Pyx_PyIter_Next2Default(defval);
  }
  
  /* RaiseException */
  #if PY_MAJOR_VERSION < 3
  static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
                          CYTHON_UNUSED PyObject *cause) {
      __Pyx_PyThreadState_declare
      Py_XINCREF(type);
      if (!value || value == Py_None)
          value = NULL;
      else
          Py_INCREF(value);
      if (!tb || tb == Py_None)
          tb = NULL;
      else {
          Py_INCREF(tb);
          if (!PyTraceBack_Check(tb)) {
              PyErr_SetString(PyExc_TypeError,
                  "raise: arg 3 must be a traceback or None");
              goto raise_error;
          }
      }
      if (PyType_Check(type)) {
  #if CYTHON_COMPILING_IN_PYPY
          if (!value) {
              Py_INCREF(Py_None);
              value = Py_None;
          }
  #endif
          PyErr_NormalizeException(&type, &value, &tb);
      } else {
          if (value) {
              PyErr_SetString(PyExc_TypeError,
                  "instance exception may not have a separate value");
              goto raise_error;
          }
          value = type;
          type = (PyObject*) Py_TYPE(type);
          Py_INCREF(type);
          if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
              PyErr_SetString(PyExc_TypeError,
                  "raise: exception class must be a subclass of BaseException");
              goto raise_error;
          }
      }
      __Pyx_PyThreadState_assign
      __Pyx_ErrRestore(type, value, tb);
      return;
  raise_error:
      Py_XDECREF(value);
      Py_XDECREF(type);
      Py_XDECREF(tb);
      return;
  }
  #else
  static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
      PyObject* owned_instance = NULL;
      if (tb == Py_None) {
          tb = 0;
      } else if (tb && !PyTraceBack_Check(tb)) {
          PyErr_SetString(PyExc_TypeError,
              "raise: arg 3 must be a traceback or None");
          goto bad;
      }
      if (value == Py_None)
          value = 0;
      if (PyExceptionInstance_Check(type)) {
          if (value) {
              PyErr_SetString(PyExc_TypeError,
                  "instance exception may not have a separate value");
              goto bad;
          }
          value = type;
          type = (PyObject*) Py_TYPE(value);
      } else if (PyExceptionClass_Check(type)) {
          PyObject *instance_class = NULL;
          if (value && PyExceptionInstance_Check(value)) {
              instance_class = (PyObject*) Py_TYPE(value);
              if (instance_class != type) {
                  int is_subclass = PyObject_IsSubclass(instance_class, type);
                  if (!is_subclass) {
                      instance_class = NULL;
                  } else if (unlikely(is_subclass == -1)) {
                      goto bad;
                  } else {
                      type = instance_class;
                  }
              }
          }
          if (!instance_class) {
              PyObject *args;
              if (!value)
                  args = PyTuple_New(0);
              else if (PyTuple_Check(value)) {
                  Py_INCREF(value);
                  args = value;
              } else
                  args = PyTuple_Pack(1, value);
              if (!args)
                  goto bad;
              owned_instance = PyObject_Call(type, args, NULL);
              Py_DECREF(args);
              if (!owned_instance)
                  goto bad;
              value = owned_instance;
              if (!PyExceptionInstance_Check(value)) {
                  PyErr_Format(PyExc_TypeError,
                               "calling %R should have returned an instance of "
                               "BaseException, not %R",
                               type, Py_TYPE(value));
                  goto bad;
              }
          }
      } else {
          PyErr_SetString(PyExc_TypeError,
              "raise: exception class must be a subclass of BaseException");
          goto bad;
      }
      if (cause) {
          PyObject *fixed_cause;
          if (cause == Py_None) {
              fixed_cause = NULL;
          } else if (PyExceptionClass_Check(cause)) {
              fixed_cause = PyObject_CallObject(cause, NULL);
              if (fixed_cause == NULL)
                  goto bad;
          } else if (PyExceptionInstance_Check(cause)) {
              fixed_cause = cause;
              Py_INCREF(fixed_cause);
          } else {
              PyErr_SetString(PyExc_TypeError,
                              "exception causes must derive from "
                              "BaseException");
              goto bad;
          }
          PyException_SetCause(value, fixed_cause);
      }
      PyErr_SetObject(type, value);
      if (tb) {
  #if CYTHON_COMPILING_IN_PYPY
          PyObject *tmp_type, *tmp_value, *tmp_tb;
          PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
          Py_INCREF(tb);
          PyErr_Restore(tmp_type, tmp_value, tb);
          Py_XDECREF(tmp_tb);
  #else
          PyThreadState *tstate = __Pyx_PyThreadState_Current;
          PyObject* tmp_tb = tstate->curexc_traceback;
          if (tb != tmp_tb) {
              Py_INCREF(tb);
              tstate->curexc_traceback = tb;
              Py_XDECREF(tmp_tb);
          }
  #endif
      }
  bad:
      Py_XDECREF(owned_instance);
      return;
  }
  #endif
  
  /* GetTopmostException */
  #if CYTHON_USE_EXC_INFO_STACK
  static _PyErr_StackItem *
  __Pyx_PyErr_GetTopmostException(PyThreadState *tstate)
  {
      _PyErr_StackItem *exc_info = tstate->exc_info;
      while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) &&
             exc_info->previous_item != NULL)
      {
          exc_info = exc_info->previous_item;
      }
      return exc_info;
  }
  #endif
  
  /* SaveResetException */
  #if CYTHON_FAST_THREAD_STATE
  static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
      #if CYTHON_USE_EXC_INFO_STACK
      _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
      *type = exc_info->exc_type;
      *value = exc_info->exc_value;
      *tb = exc_info->exc_traceback;
      #else
      *type = tstate->exc_type;
      *value = tstate->exc_value;
      *tb = tstate->exc_traceback;
      #endif
      Py_XINCREF(*type);
      Py_XINCREF(*value);
      Py_XINCREF(*tb);
  }
  static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      #if CYTHON_USE_EXC_INFO_STACK
      _PyErr_StackItem *exc_info = tstate->exc_info;
      tmp_type = exc_info->exc_type;
      tmp_value = exc_info->exc_value;
      tmp_tb = exc_info->exc_traceback;
      exc_info->exc_type = type;
      exc_info->exc_value = value;
      exc_info->exc_traceback = tb;
      #else
      tmp_type = tstate->exc_type;
      tmp_value = tstate->exc_value;
      tmp_tb = tstate->exc_traceback;
      tstate->exc_type = type;
      tstate->exc_value = value;
      tstate->exc_traceback = tb;
      #endif
      Py_XDECREF(tmp_type);
      Py_XDECREF(tmp_value);
      Py_XDECREF(tmp_tb);
  }
  #endif
  
  /* PyErrExceptionMatches */
  #if CYTHON_FAST_THREAD_STATE
  static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
      Py_ssize_t i, n;
      n = PyTuple_GET_SIZE(tuple);
  #if PY_MAJOR_VERSION >= 3
      for (i=0; i<n; i++) {
          if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
      }
  #endif
      for (i=0; i<n; i++) {
          if (__Pyx_PyErr_GivenExceptionMatches(exc_type, PyTuple_GET_ITEM(tuple, i))) return 1;
      }
      return 0;
  }
  static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err) {
      PyObject *exc_type = tstate->curexc_type;
      if (exc_type == err) return 1;
      if (unlikely(!exc_type)) return 0;
      if (unlikely(PyTuple_Check(err)))
          return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err);
      return __Pyx_PyErr_GivenExceptionMatches(exc_type, err);
  }
  #endif
  
  /* PyIntBinop */
  #if !CYTHON_COMPILING_IN_PYPY
  static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) {
      (void)inplace;
      (void)zerodivision_check;
      #if PY_MAJOR_VERSION < 3
      if (likely(PyInt_CheckExact(op1))) {
          const long b = intval;
          long x;
          long a = PyInt_AS_LONG(op1);
              x = (long)((unsigned long)a + b);
              if (likely((x^a) >= 0 || (x^b) >= 0))
                  return PyInt_FromLong(x);
              return PyLong_Type.tp_as_number->nb_add(op1, op2);
      }
      #endif
      #if CYTHON_USE_PYLONG_INTERNALS
      if (likely(PyLong_CheckExact(op1))) {
          const long b = intval;
          long a, x;
  #ifdef HAVE_LONG_LONG
          const PY_LONG_LONG llb = intval;
          PY_LONG_LONG lla, llx;
  #endif
          const digit* digits = ((PyLongObject*)op1)->ob_digit;
          const Py_ssize_t size = Py_SIZE(op1);
          if (likely(__Pyx_sst_abs(size) <= 1)) {
              a = likely(size) ? digits[0] : 0;
              if (size == -1) a = -a;
          } else {
              switch (size) {
                  case -2:
                      if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                          a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
  #ifdef HAVE_LONG_LONG
                      } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                          lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                          goto long_long;
  #endif
                      }
                      CYTHON_FALLTHROUGH;
                  case 2:
                      if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                          a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
  #ifdef HAVE_LONG_LONG
                      } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                          lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                          goto long_long;
  #endif
                      }
                      CYTHON_FALLTHROUGH;
                  case -3:
                      if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                          a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
  #ifdef HAVE_LONG_LONG
                      } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                          lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                          goto long_long;
  #endif
                      }
                      CYTHON_FALLTHROUGH;
                  case 3:
                      if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                          a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
  #ifdef HAVE_LONG_LONG
                      } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                          lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                          goto long_long;
  #endif
                      }
                      CYTHON_FALLTHROUGH;
                  case -4:
                      if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                          a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
  #ifdef HAVE_LONG_LONG
                      } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                          lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                          goto long_long;
  #endif
                      }
                      CYTHON_FALLTHROUGH;
                  case 4:
                      if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                          a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                          break;
  #ifdef HAVE_LONG_LONG
                      } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                          lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                          goto long_long;
  #endif
                      }
                      CYTHON_FALLTHROUGH;
                  default: return PyLong_Type.tp_as_number->nb_add(op1, op2);
              }
          }
                  x = a + b;
              return PyLong_FromLong(x);
  #ifdef HAVE_LONG_LONG
          long_long:
                  llx = lla + llb;
              return PyLong_FromLongLong(llx);
  #endif
          
          
      }
      #endif
      if (PyFloat_CheckExact(op1)) {
          const long b = intval;
          double a = PyFloat_AS_DOUBLE(op1);
              double result;
              PyFPE_START_PROTECT("add", return NULL)
              result = ((double)a) + (double)b;
              PyFPE_END_PROTECT(result)
              return PyFloat_FromDouble(result);
      }
      return (inplace ? PyNumber_InPlaceAdd : PyNumber_Add)(op1, op2);
  }
  #endif
  
  /* RaiseTooManyValuesToUnpack */
  static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
      PyErr_Format(PyExc_ValueError,
                   "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
  }
  
  /* RaiseNeedMoreValuesToUnpack */
  static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
      PyErr_Format(PyExc_ValueError,
                   "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
                   index, (index == 1) ? "" : "s");
  }
  
  /* IterFinish */
  static CYTHON_INLINE int __Pyx_IterFinish(void) {
  #if CYTHON_FAST_THREAD_STATE
      PyThreadState *tstate = __Pyx_PyThreadState_Current;
      PyObject* exc_type = tstate->curexc_type;
      if (unlikely(exc_type)) {
          if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) {
              PyObject *exc_value, *exc_tb;
              exc_value = tstate->curexc_value;
              exc_tb = tstate->curexc_traceback;
              tstate->curexc_type = 0;
              tstate->curexc_value = 0;
              tstate->curexc_traceback = 0;
              Py_DECREF(exc_type);
              Py_XDECREF(exc_value);
              Py_XDECREF(exc_tb);
              return 0;
          } else {
              return -1;
          }
      }
      return 0;
  #else
      if (unlikely(PyErr_Occurred())) {
          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
              PyErr_Clear();
              return 0;
          } else {
              return -1;
          }
      }
      return 0;
  #endif
  }
  
  /* UnpackItemEndCheck */
  static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
      if (unlikely(retval)) {
          Py_DECREF(retval);
          __Pyx_RaiseTooManyValuesError(expected);
          return -1;
      } else {
          return __Pyx_IterFinish();
      }
      return 0;
  }
  
  /* GetException */
  #if CYTHON_FAST_THREAD_STATE
  static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb)
  #else
  static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
  #endif
  {
      PyObject *local_type, *local_value, *local_tb;
  #if CYTHON_FAST_THREAD_STATE
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      local_type = tstate->curexc_type;
      local_value = tstate->curexc_value;
      local_tb = tstate->curexc_traceback;
      tstate->curexc_type = 0;
      tstate->curexc_value = 0;
      tstate->curexc_traceback = 0;
  #else
      PyErr_Fetch(&local_type, &local_value, &local_tb);
  #endif
      PyErr_NormalizeException(&local_type, &local_value, &local_tb);
  #if CYTHON_FAST_THREAD_STATE
      if (unlikely(tstate->curexc_type))
  #else
      if (unlikely(PyErr_Occurred()))
  #endif
          goto bad;
      #if PY_MAJOR_VERSION >= 3
      if (local_tb) {
          if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
              goto bad;
      }
      #endif
      Py_XINCREF(local_tb);
      Py_XINCREF(local_type);
      Py_XINCREF(local_value);
      *type = local_type;
      *value = local_value;
      *tb = local_tb;
  #if CYTHON_FAST_THREAD_STATE
      #if CYTHON_USE_EXC_INFO_STACK
      {
          _PyErr_StackItem *exc_info = tstate->exc_info;
          tmp_type = exc_info->exc_type;
          tmp_value = exc_info->exc_value;
          tmp_tb = exc_info->exc_traceback;
          exc_info->exc_type = local_type;
          exc_info->exc_value = local_value;
          exc_info->exc_traceback = local_tb;
      }
      #else
      tmp_type = tstate->exc_type;
      tmp_value = tstate->exc_value;
      tmp_tb = tstate->exc_traceback;
      tstate->exc_type = local_type;
      tstate->exc_value = local_value;
      tstate->exc_traceback = local_tb;
      #endif
      Py_XDECREF(tmp_type);
      Py_XDECREF(tmp_value);
      Py_XDECREF(tmp_tb);
  #else
      PyErr_SetExcInfo(local_type, local_value, local_tb);
  #endif
      return 0;
  bad:
      *type = 0;
      *value = 0;
      *tb = 0;
      Py_XDECREF(local_type);
      Py_XDECREF(local_value);
      Py_XDECREF(local_tb);
      return -1;
  }
  
  /* None */
  static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) {
      PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname);
  }
  
  /* PyIntCompare */
  static CYTHON_INLINE PyObject* __Pyx_PyInt_EqObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, CYTHON_UNUSED long 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))) {
          int unequal;
          unsigned long uintval;
          Py_ssize_t size = Py_SIZE(op1);
          const digit* digits = ((PyLongObject*)op1)->ob_digit;
          if (intval == 0) {
              if (size == 0) Py_RETURN_TRUE; else Py_RETURN_FALSE;
          } else if (intval < 0) {
              if (size >= 0)
                  Py_RETURN_FALSE;
              intval = -intval;
              size = -size;
          } else {
              if (size <= 0)
                  Py_RETURN_FALSE;
          }
          uintval = (unsigned long) intval;
  #if PyLong_SHIFT * 4 < SIZEOF_LONG*8
          if (uintval >> (PyLong_SHIFT * 4)) {
              unequal = (size != 5) || (digits[0] != (uintval & (unsigned long) PyLong_MASK))
                   | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[2] != ((uintval >> (2 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[3] != ((uintval >> (3 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[4] != ((uintval >> (4 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK));
          } else
  #endif
  #if PyLong_SHIFT * 3 < SIZEOF_LONG*8
          if (uintval >> (PyLong_SHIFT * 3)) {
              unequal = (size != 4) || (digits[0] != (uintval & (unsigned long) PyLong_MASK))
                   | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[2] != ((uintval >> (2 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[3] != ((uintval >> (3 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK));
          } else
  #endif
  #if PyLong_SHIFT * 2 < SIZEOF_LONG*8
          if (uintval >> (PyLong_SHIFT * 2)) {
              unequal = (size != 3) || (digits[0] != (uintval & (unsigned long) PyLong_MASK))
                   | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[2] != ((uintval >> (2 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK));
          } else
  #endif
  #if PyLong_SHIFT * 1 < SIZEOF_LONG*8
          if (uintval >> (PyLong_SHIFT * 1)) {
              unequal = (size != 2) || (digits[0] != (uintval & (unsigned long) PyLong_MASK))
                   | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK));
          } else
  #endif
              unequal = (size != 1) || (((unsigned long) digits[0]) != (uintval & (unsigned long) PyLong_MASK));
          if (unequal == 0) 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));
  }
  
  /* GetAttr */
  static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) {
  #if CYTHON_USE_TYPE_SLOTS
  #if PY_MAJOR_VERSION >= 3
      if (likely(PyUnicode_Check(n)))
  #else
      if (likely(PyString_Check(n)))
  #endif
          return __Pyx_PyObject_GetAttrStr(o, n);
  #endif
      return PyObject_GetAttr(o, n);
  }
  
  /* GetAttr3 */
  static PyObject *__Pyx_GetAttr3Default(PyObject *d) {
      __Pyx_PyThreadState_declare
      __Pyx_PyThreadState_assign
      if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
          return NULL;
      __Pyx_PyErr_Clear();
      Py_INCREF(d);
      return d;
  }
  static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) {
      PyObject *r = __Pyx_GetAttr(o, n);
      return (likely(r)) ? r : __Pyx_GetAttr3Default(d);
  }
  
  /* Import */
  static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
      PyObject *empty_list = 0;
      PyObject *module = 0;
      PyObject *global_dict = 0;
      PyObject *empty_dict = 0;
      PyObject *list;
      #if PY_MAJOR_VERSION < 3
      PyObject *py_import;
      py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
      if (!py_import)
          goto bad;
      #endif
      if (from_list)
          list = from_list;
      else {
          empty_list = PyList_New(0);
          if (!empty_list)
              goto bad;
          list = empty_list;
      }
      global_dict = PyModule_GetDict(__pyx_m);
      if (!global_dict)
          goto bad;
      empty_dict = PyDict_New();
      if (!empty_dict)
          goto bad;
      {
          #if PY_MAJOR_VERSION >= 3
          if (level == -1) {
              if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) {
                  module = PyImport_ImportModuleLevelObject(
                      name, global_dict, empty_dict, list, 1);
                  if (!module) {
                      if (!PyErr_ExceptionMatches(PyExc_ImportError))
                          goto bad;
                      PyErr_Clear();
                  }
              }
              level = 0;
          }
          #endif
          if (!module) {
              #if PY_MAJOR_VERSION < 3
              PyObject *py_level = PyInt_FromLong(level);
              if (!py_level)
                  goto bad;
              module = PyObject_CallFunctionObjArgs(py_import,
                  name, global_dict, empty_dict, list, py_level, (PyObject *)NULL);
              Py_DECREF(py_level);
              #else
              module = PyImport_ImportModuleLevelObject(
                  name, global_dict, empty_dict, list, level);
              #endif
          }
      }
  bad:
      #if PY_MAJOR_VERSION < 3
      Py_XDECREF(py_import);
      #endif
      Py_XDECREF(empty_list);
      Py_XDECREF(empty_dict);
      return module;
  }
  
  /* ImportFrom */
  static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
      PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
      if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
          PyErr_Format(PyExc_ImportError,
          #if PY_MAJOR_VERSION < 3
              "cannot import name %.230s", PyString_AS_STRING(name));
          #else
              "cannot import name %S", name);
          #endif
      }
      return value;
  }
  
  /* GetItemInt */
  static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
      PyObject *r;
      if (!j) return NULL;
      r = PyObject_GetItem(o, j);
      Py_DECREF(j);
      return r;
  }
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
                                                                CYTHON_NCP_UNUSED int wraparound,
                                                                CYTHON_NCP_UNUSED int boundscheck) {
  #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
      Py_ssize_t wrapped_i = i;
      if (wraparound & unlikely(i < 0)) {
          wrapped_i += PyList_GET_SIZE(o);
      }
      if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) {
          PyObject *r = PyList_GET_ITEM(o, wrapped_i);
          Py_INCREF(r);
          return r;
      }
      return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
  #else
      return PySequence_GetItem(o, i);
  #endif
  }
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
                                                                CYTHON_NCP_UNUSED int wraparound,
                                                                CYTHON_NCP_UNUSED int boundscheck) {
  #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
      Py_ssize_t wrapped_i = i;
      if (wraparound & unlikely(i < 0)) {
          wrapped_i += PyTuple_GET_SIZE(o);
      }
      if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) {
          PyObject *r = PyTuple_GET_ITEM(o, wrapped_i);
          Py_INCREF(r);
          return r;
      }
      return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
  #else
      return PySequence_GetItem(o, i);
  #endif
  }
  static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
                                                       CYTHON_NCP_UNUSED int wraparound,
                                                       CYTHON_NCP_UNUSED int boundscheck) {
  #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
      if (is_list || PyList_CheckExact(o)) {
          Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
          if ((!boundscheck) || (likely(__Pyx_is_valid_index(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(__Pyx_is_valid_index(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));
  }
  
  /* HasAttr */
  static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) {
      PyObject *r;
      if (unlikely(!__Pyx_PyBaseString_Check(n))) {
          PyErr_SetString(PyExc_TypeError,
                          "hasattr(): attribute name must be string");
          return -1;
      }
      r = __Pyx_GetAttr(o, n);
      if (unlikely(!r)) {
          PyErr_Clear();
          return 0;
      } else {
          Py_DECREF(r);
          return 1;
      }
  }
  
  /* PyObject_GenericGetAttrNoDict */
  #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
  static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) {
      PyErr_Format(PyExc_AttributeError,
  #if PY_MAJOR_VERSION >= 3
                   "'%.50s' object has no attribute '%U'",
                   tp->tp_name, attr_name);
  #else
                   "'%.50s' object has no attribute '%.400s'",
                   tp->tp_name, PyString_AS_STRING(attr_name));
  #endif
      return NULL;
  }
  static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) {
      PyObject *descr;
      PyTypeObject *tp = Py_TYPE(obj);
      if (unlikely(!PyString_Check(attr_name))) {
          return PyObject_GenericGetAttr(obj, attr_name);
      }
      assert(!tp->tp_dictoffset);
      descr = _PyType_Lookup(tp, attr_name);
      if (unlikely(!descr)) {
          return __Pyx_RaiseGenericGetAttributeError(tp, attr_name);
      }
      Py_INCREF(descr);
      #if PY_MAJOR_VERSION < 3
      if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS)))
      #endif
      {
          descrgetfunc f = Py_TYPE(descr)->tp_descr_get;
          if (unlikely(f)) {
              PyObject *res = f(descr, obj, (PyObject *)tp);
              Py_DECREF(descr);
              return res;
          }
      }
      return descr;
  }
  #endif
  
  /* PyObject_GenericGetAttr */
  #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
  static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) {
      if (unlikely(Py_TYPE(obj)->tp_dictoffset)) {
          return PyObject_GenericGetAttr(obj, attr_name);
      }
      return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name);
  }
  #endif
  
  /* PyObjectGetAttrStrNoError */
  static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) {
      __Pyx_PyThreadState_declare
      __Pyx_PyThreadState_assign
      if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
          __Pyx_PyErr_Clear();
  }
  static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) {
      PyObject *result;
  #if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1
      PyTypeObject* tp = Py_TYPE(obj);
      if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) {
          return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1);
      }
  #endif
      result = __Pyx_PyObject_GetAttrStr(obj, attr_name);
      if (unlikely(!result)) {
          __Pyx_PyObject_GetAttrStr_ClearAttributeError();
      }
      return result;
  }
  
  /* SetupReduce */
  static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
    int ret;
    PyObject *name_attr;
    name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name);
    if (likely(name_attr)) {
        ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
    } else {
        ret = -1;
    }
    if (unlikely(ret < 0)) {
        PyErr_Clear();
        ret = 0;
    }
    Py_XDECREF(name_attr);
    return ret;
  }
  static int __Pyx_setup_reduce(PyObject* type_obj) {
      int ret = 0;
      PyObject *object_reduce = NULL;
      PyObject *object_reduce_ex = NULL;
      PyObject *reduce = NULL;
      PyObject *reduce_ex = NULL;
      PyObject *reduce_cython = NULL;
      PyObject *setstate = NULL;
      PyObject *setstate_cython = NULL;
  #if CYTHON_USE_PYTYPE_LOOKUP
      if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD;
  #else
      if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD;
  #endif
  #if CYTHON_USE_PYTYPE_LOOKUP
      object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
  #else
      object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
  #endif
      reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD;
      if (reduce_ex == object_reduce_ex) {
  #if CYTHON_USE_PYTYPE_LOOKUP
          object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
  #else
          object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
  #endif
          reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD;
          if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) {
              reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython);
              if (likely(reduce_cython)) {
                  ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
                  ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
              } else if (reduce == object_reduce || PyErr_Occurred()) {
                  goto __PYX_BAD;
              }
              setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate);
              if (!setstate) PyErr_Clear();
              if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) {
                  setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython);
                  if (likely(setstate_cython)) {
                      ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
                      ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
                  } else if (!setstate || PyErr_Occurred()) {
                      goto __PYX_BAD;
                  }
              }
              PyType_Modified((PyTypeObject*)type_obj);
          }
      }
      goto __PYX_GOOD;
  __PYX_BAD:
      if (!PyErr_Occurred())
          PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name);
      ret = -1;
  __PYX_GOOD:
  #if !CYTHON_USE_PYTYPE_LOOKUP
      Py_XDECREF(object_reduce);
      Py_XDECREF(object_reduce_ex);
  #endif
      Py_XDECREF(reduce);
      Py_XDECREF(reduce_ex);
      Py_XDECREF(reduce_cython);
      Py_XDECREF(setstate);
      Py_XDECREF(setstate_cython);
      return ret;
  }
  
  /* CLineInTraceback */
  #ifndef CYTHON_CLINE_IN_TRACEBACK
  static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) {
      PyObject *use_cline;
      PyObject *ptype, *pvalue, *ptraceback;
  #if CYTHON_COMPILING_IN_CPYTHON
      PyObject **cython_runtime_dict;
  #endif
      if (unlikely(!__pyx_cython_runtime)) {
          return c_line;
      }
      __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
  #if CYTHON_COMPILING_IN_CPYTHON
      cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime);
      if (likely(cython_runtime_dict)) {
          __PYX_PY_DICT_LOOKUP_IF_MODIFIED(
              use_cline, *cython_runtime_dict,
              __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback))
      } else
  #endif
      {
        PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
        if (use_cline_obj) {
          use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True;
          Py_DECREF(use_cline_obj);
        } else {
          PyErr_Clear();
          use_cline = NULL;
        }
      }
      if (!use_cline) {
          c_line = 0;
          PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
      }
      else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) {
          c_line = 0;
      }
      __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
      return c_line;
  }
  #endif
  
  /* CodeObjectCache */
  static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
      int start = 0, mid = 0, end = count - 1;
      if (end >= 0 && code_line > entries[end].code_line) {
          return count;
      }
      while (start < end) {
          mid = start + (end - start) / 2;
          if (code_line < entries[mid].code_line) {
              end = mid;
          } else if (code_line > entries[mid].code_line) {
               start = mid + 1;
          } else {
              return mid;
          }
      }
      if (code_line <= entries[mid].code_line) {
          return mid;
      } else {
          return mid + 1;
      }
  }
  static PyCodeObject *__pyx_find_code_object(int code_line) {
      PyCodeObject* code_object;
      int pos;
      if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
          return NULL;
      }
      pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
      if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
          return NULL;
      }
      code_object = __pyx_code_cache.entries[pos].code_object;
      Py_INCREF(code_object);
      return code_object;
  }
  static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
      int pos, i;
      __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
      if (unlikely(!code_line)) {
          return;
      }
      if (unlikely(!entries)) {
          entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
          if (likely(entries)) {
              __pyx_code_cache.entries = entries;
              __pyx_code_cache.max_count = 64;
              __pyx_code_cache.count = 1;
              entries[0].code_line = code_line;
              entries[0].code_object = code_object;
              Py_INCREF(code_object);
          }
          return;
      }
      pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
      if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
          PyCodeObject* tmp = entries[pos].code_object;
          entries[pos].code_object = code_object;
          Py_DECREF(tmp);
          return;
      }
      if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
          int new_max = __pyx_code_cache.max_count + 64;
          entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
              __pyx_code_cache.entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry));
          if (unlikely(!entries)) {
              return;
          }
          __pyx_code_cache.entries = entries;
          __pyx_code_cache.max_count = new_max;
      }
      for (i=__pyx_code_cache.count; i>pos; i--) {
          entries[i] = entries[i-1];
      }
      entries[pos].code_line = code_line;
      entries[pos].code_object = code_object;
      __pyx_code_cache.count++;
      Py_INCREF(code_object);
  }
  
  /* AddTraceback */
  #include "compile.h"
  #include "frameobject.h"
  #include "traceback.h"
  static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
              const char *funcname, int c_line,
              int py_line, const char *filename) {
      PyCodeObject *py_code = 0;
      PyObject *py_srcfile = 0;
      PyObject *py_funcname = 0;
      #if PY_MAJOR_VERSION < 3
      py_srcfile = PyString_FromString(filename);
      #else
      py_srcfile = PyUnicode_FromString(filename);
      #endif
      if (!py_srcfile) goto bad;
      if (c_line) {
          #if PY_MAJOR_VERSION < 3
          py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
          #else
          py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
          #endif
      }
      else {
          #if PY_MAJOR_VERSION < 3
          py_funcname = PyString_FromString(funcname);
          #else
          py_funcname = PyUnicode_FromString(funcname);
          #endif
      }
      if (!py_funcname) goto bad;
      py_code = __Pyx_PyCode_New(
          0,
          0,
          0,
          0,
          0,
          __pyx_empty_bytes, /*PyObject *code,*/
          __pyx_empty_tuple, /*PyObject *consts,*/
          __pyx_empty_tuple, /*PyObject *names,*/
          __pyx_empty_tuple, /*PyObject *varnames,*/
          __pyx_empty_tuple, /*PyObject *freevars,*/
          __pyx_empty_tuple, /*PyObject *cellvars,*/
          py_srcfile,   /*PyObject *filename,*/
          py_funcname,  /*PyObject *name,*/
          py_line,
          __pyx_empty_bytes  /*PyObject *lnotab*/
      );
      Py_DECREF(py_srcfile);
      Py_DECREF(py_funcname);
      return py_code;
  bad:
      Py_XDECREF(py_srcfile);
      Py_XDECREF(py_funcname);
      return NULL;
  }
  static void __Pyx_AddTraceback(const char *funcname, int c_line,
                                 int py_line, const char *filename) {
      PyCodeObject *py_code = 0;
      PyFrameObject *py_frame = 0;
      PyThreadState *tstate = __Pyx_PyThreadState_Current;
      if (c_line) {
          c_line = __Pyx_CLineForTraceback(tstate, c_line);
      }
      py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
      if (!py_code) {
          py_code = __Pyx_CreateCodeObjectForTraceback(
              funcname, c_line, py_line, filename);
          if (!py_code) goto bad;
          __pyx_insert_code_object(c_line ? -c_line : py_line, py_code);
      }
      py_frame = PyFrame_New(
          tstate,            /*PyThreadState *tstate,*/
          py_code,           /*PyCodeObject *code,*/
          __pyx_d,    /*PyObject *globals,*/
          0                  /*PyObject *locals*/
      );
      if (!py_frame) goto bad;
      __Pyx_PyFrame_SetLineNumber(py_frame, py_line);
      PyTraceBack_Here(py_frame);
  bad:
      Py_XDECREF(py_code);
      Py_XDECREF(py_frame);
  }
  
  /* CIntToPy */
  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_PY_LONG_LONG(PY_LONG_LONG value) {
      const PY_LONG_LONG neg_one = (PY_LONG_LONG) ((PY_LONG_LONG) 0 - (PY_LONG_LONG) 1), const_zero = (PY_LONG_LONG) 0;
      const int is_unsigned = neg_one > const_zero;
      if (is_unsigned) {
          if (sizeof(PY_LONG_LONG) < sizeof(long)) {
              return PyInt_FromLong((long) value);
          } else if (sizeof(PY_LONG_LONG) <= sizeof(unsigned long)) {
              return PyLong_FromUnsignedLong((unsigned long) value);
  #ifdef HAVE_LONG_LONG
          } else if (sizeof(PY_LONG_LONG) <= sizeof(unsigned PY_LONG_LONG)) {
              return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
  #endif
          }
      } else {
          if (sizeof(PY_LONG_LONG) <= sizeof(long)) {
              return PyInt_FromLong((long) value);
  #ifdef HAVE_LONG_LONG
          } else if (sizeof(PY_LONG_LONG) <= sizeof(PY_LONG_LONG)) {
              return PyLong_FromLongLong((PY_LONG_LONG) value);
  #endif
          }
      }
      {
          int one = 1; int little = (int)*(unsigned char *)&one;
          unsigned char *bytes = (unsigned char *)&value;
          return _PyLong_FromByteArray(bytes, sizeof(PY_LONG_LONG),
                                       little, !is_unsigned);
      }
  }
  
  /* 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_long(long value) {
      const long neg_one = (long) ((long) 0 - (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);
      }
  }
  
  /* CIntFromPy */
  static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_As_PY_LONG_LONG(PyObject *x) {
      const PY_LONG_LONG neg_one = (PY_LONG_LONG) ((PY_LONG_LONG) 0 - (PY_LONG_LONG) 1), const_zero = (PY_LONG_LONG) 0;
      const int is_unsigned = neg_one > const_zero;
  #if PY_MAJOR_VERSION < 3
      if (likely(PyInt_Check(x))) {
          if (sizeof(PY_LONG_LONG) < sizeof(long)) {
              __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, long, PyInt_AS_LONG(x))
          } else {
              long val = PyInt_AS_LONG(x);
              if (is_unsigned && unlikely(val < 0)) {
                  goto raise_neg_overflow;
              }
              return (PY_LONG_LONG) val;
          }
      } else
  #endif
      if (likely(PyLong_Check(x))) {
          if (is_unsigned) {
  #if CYTHON_USE_PYLONG_INTERNALS
              const digit* digits = ((PyLongObject*)x)->ob_digit;
              switch (Py_SIZE(x)) {
                  case  0: return (PY_LONG_LONG) 0;
                  case  1: __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, digit, digits[0])
                  case 2:
                      if (8 * sizeof(PY_LONG_LONG) > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(PY_LONG_LONG) >= 2 * PyLong_SHIFT) {
                              return (PY_LONG_LONG) (((((PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0]));
                          }
                      }
                      break;
                  case 3:
                      if (8 * sizeof(PY_LONG_LONG) > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(PY_LONG_LONG) >= 3 * PyLong_SHIFT) {
                              return (PY_LONG_LONG) (((((((PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0]));
                          }
                      }
                      break;
                  case 4:
                      if (8 * sizeof(PY_LONG_LONG) > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(PY_LONG_LONG) >= 4 * PyLong_SHIFT) {
                              return (PY_LONG_LONG) (((((((((PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0]));
                          }
                      }
                      break;
              }
  #endif
  #if CYTHON_COMPILING_IN_CPYTHON
              if (unlikely(Py_SIZE(x) < 0)) {
                  goto raise_neg_overflow;
              }
  #else
              {
                  int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                  if (unlikely(result < 0))
                      return (PY_LONG_LONG) -1;
                  if (unlikely(result == 1))
                      goto raise_neg_overflow;
              }
  #endif
              if (sizeof(PY_LONG_LONG) <= sizeof(unsigned long)) {
                  __PYX_VERIFY_RETURN_INT_EXC(PY_LONG_LONG, unsigned long, PyLong_AsUnsignedLong(x))
  #ifdef HAVE_LONG_LONG
              } else if (sizeof(PY_LONG_LONG) <= sizeof(unsigned PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(PY_LONG_LONG, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
  #endif
              }
          } else {
  #if CYTHON_USE_PYLONG_INTERNALS
              const digit* digits = ((PyLongObject*)x)->ob_digit;
              switch (Py_SIZE(x)) {
                  case  0: return (PY_LONG_LONG) 0;
                  case -1: __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, sdigit, (sdigit) (-(sdigit)digits[0]))
                  case  1: __PYX_VERIFY_RETURN_INT(PY_LONG_LONG,  digit, +digits[0])
                  case -2:
                      if (8 * sizeof(PY_LONG_LONG) - 1 > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                              return (PY_LONG_LONG) (((PY_LONG_LONG)-1)*(((((PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0])));
                          }
                      }
                      break;
                  case 2:
                      if (8 * sizeof(PY_LONG_LONG) > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                              return (PY_LONG_LONG) ((((((PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0])));
                          }
                      }
                      break;
                  case -3:
                      if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                              return (PY_LONG_LONG) (((PY_LONG_LONG)-1)*(((((((PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0])));
                          }
                      }
                      break;
                  case 3:
                      if (8 * sizeof(PY_LONG_LONG) > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                              return (PY_LONG_LONG) ((((((((PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0])));
                          }
                      }
                      break;
                  case -4:
                      if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                              return (PY_LONG_LONG) (((PY_LONG_LONG)-1)*(((((((((PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0])));
                          }
                      }
                      break;
                  case 4:
                      if (8 * sizeof(PY_LONG_LONG) > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(PY_LONG_LONG, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                              return (PY_LONG_LONG) ((((((((((PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (PY_LONG_LONG)digits[0])));
                          }
                      }
                      break;
              }
  #endif
              if (sizeof(PY_LONG_LONG) <= sizeof(long)) {
                  __PYX_VERIFY_RETURN_INT_EXC(PY_LONG_LONG, long, PyLong_AsLong(x))
  #ifdef HAVE_LONG_LONG
              } else if (sizeof(PY_LONG_LONG) <= sizeof(PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(PY_LONG_LONG, PY_LONG_LONG, PyLong_AsLongLong(x))
  #endif
              }
          }
          {
  #if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
              PyErr_SetString(PyExc_RuntimeError,
                              "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
  #else
              PY_LONG_LONG val;
              PyObject *v = __Pyx_PyNumber_IntOrLong(x);
   #if PY_MAJOR_VERSION < 3
              if (likely(v) && !PyLong_Check(v)) {
                  PyObject *tmp = v;
                  v = PyNumber_Long(tmp);
                  Py_DECREF(tmp);
              }
   #endif
              if (likely(v)) {
                  int one = 1; int is_little = (int)*(unsigned char *)&one;
                  unsigned char *bytes = (unsigned char *)&val;
                  int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                                bytes, sizeof(val),
                                                is_little, !is_unsigned);
                  Py_DECREF(v);
                  if (likely(!ret))
                      return val;
              }
  #endif
              return (PY_LONG_LONG) -1;
          }
      } else {
          PY_LONG_LONG val;
          PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
          if (!tmp) return (PY_LONG_LONG) -1;
          val = __Pyx_PyInt_As_PY_LONG_LONG(tmp);
          Py_DECREF(tmp);
          return val;
      }
  raise_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "value too large to convert to PY_LONG_LONG");
      return (PY_LONG_LONG) -1;
  raise_neg_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "can't convert negative value to PY_LONG_LONG");
      return (PY_LONG_LONG) -1;
  }
  
  /* CIntFromPy */
  static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
      const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0;
      const int is_unsigned = neg_one > const_zero;
  #if PY_MAJOR_VERSION < 3
      if (likely(PyInt_Check(x))) {
          if (sizeof(long) < sizeof(long)) {
              __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
          } else {
              long val = PyInt_AS_LONG(x);
              if (is_unsigned && unlikely(val < 0)) {
                  goto raise_neg_overflow;
              }
              return (long) val;
          }
      } else
  #endif
      if (likely(PyLong_Check(x))) {
          if (is_unsigned) {
  #if CYTHON_USE_PYLONG_INTERNALS
              const digit* digits = ((PyLongObject*)x)->ob_digit;
              switch (Py_SIZE(x)) {
                  case  0: return (long) 0;
                  case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
                  case 2:
                      if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
                              return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                          }
                      }
                      break;
                  case 3:
                      if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
                              return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                          }
                      }
                      break;
                  case 4:
                      if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
                              return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                          }
                      }
                      break;
              }
  #endif
  #if CYTHON_COMPILING_IN_CPYTHON
              if (unlikely(Py_SIZE(x) < 0)) {
                  goto raise_neg_overflow;
              }
  #else
              {
                  int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                  if (unlikely(result < 0))
                      return (long) -1;
                  if (unlikely(result == 1))
                      goto raise_neg_overflow;
              }
  #endif
              if (sizeof(long) <= sizeof(unsigned long)) {
                  __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
  #ifdef HAVE_LONG_LONG
              } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
  #endif
              }
          } else {
  #if CYTHON_USE_PYLONG_INTERNALS
              const digit* digits = ((PyLongObject*)x)->ob_digit;
              switch (Py_SIZE(x)) {
                  case  0: return (long) 0;
                  case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0]))
                  case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
                  case -2:
                      if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                              return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                          }
                      }
                      break;
                  case 2:
                      if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                              return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                          }
                      }
                      break;
                  case -3:
                      if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                              return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                          }
                      }
                      break;
                  case 3:
                      if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                              return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                          }
                      }
                      break;
                  case -4:
                      if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                              return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                          }
                      }
                      break;
                  case 4:
                      if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                              return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                          }
                      }
                      break;
              }
  #endif
              if (sizeof(long) <= sizeof(long)) {
                  __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
  #ifdef HAVE_LONG_LONG
              } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
  #endif
              }
          }
          {
  #if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
              PyErr_SetString(PyExc_RuntimeError,
                              "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
  #else
              long val;
              PyObject *v = __Pyx_PyNumber_IntOrLong(x);
   #if PY_MAJOR_VERSION < 3
              if (likely(v) && !PyLong_Check(v)) {
                  PyObject *tmp = v;
                  v = PyNumber_Long(tmp);
                  Py_DECREF(tmp);
              }
   #endif
              if (likely(v)) {
                  int one = 1; int is_little = (int)*(unsigned char *)&one;
                  unsigned char *bytes = (unsigned char *)&val;
                  int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                                bytes, sizeof(val),
                                                is_little, !is_unsigned);
                  Py_DECREF(v);
                  if (likely(!ret))
                      return val;
              }
  #endif
              return (long) -1;
          }
      } else {
          long val;
          PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
          if (!tmp) return (long) -1;
          val = __Pyx_PyInt_As_long(tmp);
          Py_DECREF(tmp);
          return val;
      }
  raise_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "value too large to convert to long");
      return (long) -1;
  raise_neg_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "can't convert negative value to long");
      return (long) -1;
  }
  
  /* CIntFromPy */
  static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
      const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0;
      const int is_unsigned = neg_one > const_zero;
  #if PY_MAJOR_VERSION < 3
      if (likely(PyInt_Check(x))) {
          if (sizeof(int) < sizeof(long)) {
              __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
          } else {
              long val = PyInt_AS_LONG(x);
              if (is_unsigned && unlikely(val < 0)) {
                  goto raise_neg_overflow;
              }
              return (int) val;
          }
      } else
  #endif
      if (likely(PyLong_Check(x))) {
          if (is_unsigned) {
  #if CYTHON_USE_PYLONG_INTERNALS
              const digit* digits = ((PyLongObject*)x)->ob_digit;
              switch (Py_SIZE(x)) {
                  case  0: return (int) 0;
                  case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
                  case 2:
                      if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
                              return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                          }
                      }
                      break;
                  case 3:
                      if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
                              return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                          }
                      }
                      break;
                  case 4:
                      if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
                              return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                          }
                      }
                      break;
              }
  #endif
  #if CYTHON_COMPILING_IN_CPYTHON
              if (unlikely(Py_SIZE(x) < 0)) {
                  goto raise_neg_overflow;
              }
  #else
              {
                  int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                  if (unlikely(result < 0))
                      return (int) -1;
                  if (unlikely(result == 1))
                      goto raise_neg_overflow;
              }
  #endif
              if (sizeof(int) <= sizeof(unsigned long)) {
                  __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
  #ifdef HAVE_LONG_LONG
              } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
  #endif
              }
          } else {
  #if CYTHON_USE_PYLONG_INTERNALS
              const digit* digits = ((PyLongObject*)x)->ob_digit;
              switch (Py_SIZE(x)) {
                  case  0: return (int) 0;
                  case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0]))
                  case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
                  case -2:
                      if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                              return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                          }
                      }
                      break;
                  case 2:
                      if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                              return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                          }
                      }
                      break;
                  case -3:
                      if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                              return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                          }
                      }
                      break;
                  case 3:
                      if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                              return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                          }
                      }
                      break;
                  case -4:
                      if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                              return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                          }
                      }
                      break;
                  case 4:
                      if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                          if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                              __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                          } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                              return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                          }
                      }
                      break;
              }
  #endif
              if (sizeof(int) <= sizeof(long)) {
                  __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
  #ifdef HAVE_LONG_LONG
              } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
                  __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
  #endif
              }
          }
          {
  #if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
              PyErr_SetString(PyExc_RuntimeError,
                              "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
  #else
              int val;
              PyObject *v = __Pyx_PyNumber_IntOrLong(x);
   #if PY_MAJOR_VERSION < 3
              if (likely(v) && !PyLong_Check(v)) {
                  PyObject *tmp = v;
                  v = PyNumber_Long(tmp);
                  Py_DECREF(tmp);
              }
   #endif
              if (likely(v)) {
                  int one = 1; int is_little = (int)*(unsigned char *)&one;
                  unsigned char *bytes = (unsigned char *)&val;
                  int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                                bytes, sizeof(val),
                                                is_little, !is_unsigned);
                  Py_DECREF(v);
                  if (likely(!ret))
                      return val;
              }
  #endif
              return (int) -1;
          }
      } else {
          int val;
          PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
          if (!tmp) return (int) -1;
          val = __Pyx_PyInt_As_int(tmp);
          Py_DECREF(tmp);
          return val;
      }
  raise_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "value too large to convert to int");
      return (int) -1;
  raise_neg_overflow:
      PyErr_SetString(PyExc_OverflowError,
          "can't convert negative value to int");
      return (int) -1;
  }
  
  /* FastTypeChecks */
  #if CYTHON_COMPILING_IN_CPYTHON
  static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
      while (a) {
          a = a->tp_base;
          if (a == b)
              return 1;
      }
      return b == &PyBaseObject_Type;
  }
  static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
      PyObject *mro;
      if (a == b) return 1;
      mro = a->tp_mro;
      if (likely(mro)) {
          Py_ssize_t i, n;
          n = PyTuple_GET_SIZE(mro);
          for (i = 0; i < n; i++) {
              if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
                  return 1;
          }
          return 0;
      }
      return __Pyx_InBases(a, b);
  }
  #if PY_MAJOR_VERSION == 2
  static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) {
      PyObject *exception, *value, *tb;
      int res;
      __Pyx_PyThreadState_declare
      __Pyx_PyThreadState_assign
      __Pyx_ErrFetch(&exception, &value, &tb);
      res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0;
      if (unlikely(res == -1)) {
          PyErr_WriteUnraisable(err);
          res = 0;
      }
      if (!res) {
          res = PyObject_IsSubclass(err, exc_type2);
          if (unlikely(res == -1)) {
              PyErr_WriteUnraisable(err);
              res = 0;
          }
      }
      __Pyx_ErrRestore(exception, value, tb);
      return res;
  }
  #else
  static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
      int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0;
      if (!res) {
          res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
      }
      return res;
  }
  #endif
  static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
      Py_ssize_t i, n;
      assert(PyExceptionClass_Check(exc_type));
      n = PyTuple_GET_SIZE(tuple);
  #if PY_MAJOR_VERSION >= 3
      for (i=0; i<n; i++) {
          if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
      }
  #endif
      for (i=0; i<n; i++) {
          PyObject *t = PyTuple_GET_ITEM(tuple, i);
          #if PY_MAJOR_VERSION < 3
          if (likely(exc_type == t)) return 1;
          #endif
          if (likely(PyExceptionClass_Check(t))) {
              if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
          } else {
          }
      }
      return 0;
  }
  static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
      if (likely(err == exc_type)) return 1;
      if (likely(PyExceptionClass_Check(err))) {
          if (likely(PyExceptionClass_Check(exc_type))) {
              return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
          } else if (likely(PyTuple_Check(exc_type))) {
              return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
          } else {
          }
      }
      return PyErr_GivenExceptionMatches(err, exc_type);
  }
  static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
      assert(PyExceptionClass_Check(exc_type1));
      assert(PyExceptionClass_Check(exc_type2));
      if (likely(err == exc_type1 || err == exc_type2)) return 1;
      if (likely(PyExceptionClass_Check(err))) {
          return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
      }
      return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
  }
  #endif
  
  /* 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;
  }
  
  /* SwapException */
  #if CYTHON_FAST_THREAD_STATE
  static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      #if CYTHON_USE_EXC_INFO_STACK
      _PyErr_StackItem *exc_info = tstate->exc_info;
      tmp_type = exc_info->exc_type;
      tmp_value = exc_info->exc_value;
      tmp_tb = exc_info->exc_traceback;
      exc_info->exc_type = *type;
      exc_info->exc_value = *value;
      exc_info->exc_traceback = *tb;
      #else
      tmp_type = tstate->exc_type;
      tmp_value = tstate->exc_value;
      tmp_tb = tstate->exc_traceback;
      tstate->exc_type = *type;
      tstate->exc_value = *value;
      tstate->exc_traceback = *tb;
      #endif
      *type = tmp_type;
      *value = tmp_value;
      *tb = tmp_tb;
  }
  #else
  static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
      PyObject *tmp_type, *tmp_value, *tmp_tb;
      PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
      PyErr_SetExcInfo(*type, *value, *tb);
      *type = tmp_type;
      *value = tmp_value;
      *tb = tmp_tb;
  }
  #endif
  
  /* PyObjectGetMethod */
  static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method) {
      PyObject *attr;
  #if CYTHON_UNPACK_METHODS && CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_PYTYPE_LOOKUP
      PyTypeObject *tp = Py_TYPE(obj);
      PyObject *descr;
      descrgetfunc f = NULL;
      PyObject **dictptr, *dict;
      int meth_found = 0;
      assert (*method == NULL);
      if (unlikely(tp->tp_getattro != PyObject_GenericGetAttr)) {
          attr = __Pyx_PyObject_GetAttrStr(obj, name);
          goto try_unpack;
      }
      if (unlikely(tp->tp_dict == NULL) && unlikely(PyType_Ready(tp) < 0)) {
          return 0;
      }
      descr = _PyType_Lookup(tp, name);
      if (likely(descr != NULL)) {
          Py_INCREF(descr);
  #if PY_MAJOR_VERSION >= 3
          #ifdef __Pyx_CyFunction_USED
          if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type) || __Pyx_CyFunction_Check(descr)))
          #else
          if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type)))
          #endif
  #else
          #ifdef __Pyx_CyFunction_USED
          if (likely(PyFunction_Check(descr) || __Pyx_CyFunction_Check(descr)))
          #else
          if (likely(PyFunction_Check(descr)))
          #endif
  #endif
          {
              meth_found = 1;
          } else {
              f = Py_TYPE(descr)->tp_descr_get;
              if (f != NULL && PyDescr_IsData(descr)) {
                  attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
                  Py_DECREF(descr);
                  goto try_unpack;
              }
          }
      }
      dictptr = _PyObject_GetDictPtr(obj);
      if (dictptr != NULL && (dict = *dictptr) != NULL) {
          Py_INCREF(dict);
          attr = __Pyx_PyDict_GetItemStr(dict, name);
          if (attr != NULL) {
              Py_INCREF(attr);
              Py_DECREF(dict);
              Py_XDECREF(descr);
              goto try_unpack;
          }
          Py_DECREF(dict);
      }
      if (meth_found) {
          *method = descr;
          return 1;
      }
      if (f != NULL) {
          attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
          Py_DECREF(descr);
          goto try_unpack;
      }
      if (descr != NULL) {
          *method = descr;
          return 0;
      }
      PyErr_Format(PyExc_AttributeError,
  #if PY_MAJOR_VERSION >= 3
                   "'%.50s' object has no attribute '%U'",
                   tp->tp_name, name);
  #else
                   "'%.50s' object has no attribute '%.400s'",
                   tp->tp_name, PyString_AS_STRING(name));
  #endif
      return 0;
  #else
      attr = __Pyx_PyObject_GetAttrStr(obj, name);
      goto try_unpack;
  #endif
  try_unpack:
  #if CYTHON_UNPACK_METHODS
      if (likely(attr) && PyMethod_Check(attr) && likely(PyMethod_GET_SELF(attr) == obj)) {
          PyObject *function = PyMethod_GET_FUNCTION(attr);
          Py_INCREF(function);
          Py_DECREF(attr);
          *method = function;
          return 1;
      }
  #endif
      *method = attr;
      return 0;
  }
  
  /* PyObjectCallMethod1 */
  static PyObject* __Pyx__PyObject_CallMethod1(PyObject* method, PyObject* arg) {
      PyObject *result = __Pyx_PyObject_CallOneArg(method, arg);
      Py_DECREF(method);
      return result;
  }
  static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg) {
      PyObject *method = NULL, *result;
      int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method);
      if (likely(is_method)) {
          result = __Pyx_PyObject_Call2Args(method, obj, arg);
          Py_DECREF(method);
          return result;
      }
      if (unlikely(!method)) return NULL;
      return __Pyx__PyObject_CallMethod1(method, arg);
  }
  
  /* CoroutineBase */
  #include <structmember.h>
  #include <frameobject.h>
  #define __Pyx_Coroutine_Undelegate(gen) Py_CLEAR((gen)->yieldfrom)
  static int __Pyx_PyGen__FetchStopIterationValue(CYTHON_UNUSED PyThreadState *__pyx_tstate, PyObject **pvalue) {
      PyObject *et, *ev, *tb;
      PyObject *value = NULL;
      __Pyx_ErrFetch(&et, &ev, &tb);
      if (!et) {
          Py_XDECREF(tb);
          Py_XDECREF(ev);
          Py_INCREF(Py_None);
          *pvalue = Py_None;
          return 0;
      }
      if (likely(et == PyExc_StopIteration)) {
          if (!ev) {
              Py_INCREF(Py_None);
              value = Py_None;
          }
  #if PY_VERSION_HEX >= 0x030300A0
          else if (Py_TYPE(ev) == (PyTypeObject*)PyExc_StopIteration) {
              value = ((PyStopIterationObject *)ev)->value;
              Py_INCREF(value);
              Py_DECREF(ev);
          }
  #endif
          else if (unlikely(PyTuple_Check(ev))) {
              if (PyTuple_GET_SIZE(ev) >= 1) {
  #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
                  value = PyTuple_GET_ITEM(ev, 0);
                  Py_INCREF(value);
  #else
                  value = PySequence_ITEM(ev, 0);
  #endif
              } else {
                  Py_INCREF(Py_None);
                  value = Py_None;
              }
              Py_DECREF(ev);
          }
          else if (!__Pyx_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration)) {
              value = ev;
          }
          if (likely(value)) {
              Py_XDECREF(tb);
              Py_DECREF(et);
              *pvalue = value;
              return 0;
          }
      } else if (!__Pyx_PyErr_GivenExceptionMatches(et, PyExc_StopIteration)) {
          __Pyx_ErrRestore(et, ev, tb);
          return -1;
      }
      PyErr_NormalizeException(&et, &ev, &tb);
      if (unlikely(!PyObject_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration))) {
          __Pyx_ErrRestore(et, ev, tb);
          return -1;
      }
      Py_XDECREF(tb);
      Py_DECREF(et);
  #if PY_VERSION_HEX >= 0x030300A0
      value = ((PyStopIterationObject *)ev)->value;
      Py_INCREF(value);
      Py_DECREF(ev);
  #else
      {
          PyObject* args = __Pyx_PyObject_GetAttrStr(ev, __pyx_n_s_args);
          Py_DECREF(ev);
          if (likely(args)) {
              value = PySequence_GetItem(args, 0);
              Py_DECREF(args);
          }
          if (unlikely(!value)) {
              __Pyx_ErrRestore(NULL, NULL, NULL);
              Py_INCREF(Py_None);
              value = Py_None;
          }
      }
  #endif
      *pvalue = value;
      return 0;
  }
  static CYTHON_INLINE
  void __Pyx_Coroutine_ExceptionClear(__Pyx_ExcInfoStruct *exc_state) {
      PyObject *t, *v, *tb;
      t = exc_state->exc_type;
      v = exc_state->exc_value;
      tb = exc_state->exc_traceback;
      exc_state->exc_type = NULL;
      exc_state->exc_value = NULL;
      exc_state->exc_traceback = NULL;
      Py_XDECREF(t);
      Py_XDECREF(v);
      Py_XDECREF(tb);
  }
  #define __Pyx_Coroutine_AlreadyRunningError(gen)  (__Pyx__Coroutine_AlreadyRunningError(gen), (PyObject*)NULL)
  static void __Pyx__Coroutine_AlreadyRunningError(CYTHON_UNUSED __pyx_CoroutineObject *gen) {
      const char *msg;
      if ((0)) {
      #ifdef __Pyx_Coroutine_USED
      } else if (__Pyx_Coroutine_Check((PyObject*)gen)) {
          msg = "coroutine already executing";
      #endif
      #ifdef __Pyx_AsyncGen_USED
      } else if (__Pyx_AsyncGen_CheckExact((PyObject*)gen)) {
          msg = "async generator already executing";
      #endif
      } else {
          msg = "generator already executing";
      }
      PyErr_SetString(PyExc_ValueError, msg);
  }
  #define __Pyx_Coroutine_NotStartedError(gen)  (__Pyx__Coroutine_NotStartedError(gen), (PyObject*)NULL)
  static void __Pyx__Coroutine_NotStartedError(CYTHON_UNUSED PyObject *gen) {
      const char *msg;
      if ((0)) {
      #ifdef __Pyx_Coroutine_USED
      } else if (__Pyx_Coroutine_Check(gen)) {
          msg = "can't send non-None value to a just-started coroutine";
      #endif
      #ifdef __Pyx_AsyncGen_USED
      } else if (__Pyx_AsyncGen_CheckExact(gen)) {
          msg = "can't send non-None value to a just-started async generator";
      #endif
      } else {
          msg = "can't send non-None value to a just-started generator";
      }
      PyErr_SetString(PyExc_TypeError, msg);
  }
  #define __Pyx_Coroutine_AlreadyTerminatedError(gen, value, closing)  (__Pyx__Coroutine_AlreadyTerminatedError(gen, value, closing), (PyObject*)NULL)
  static void __Pyx__Coroutine_AlreadyTerminatedError(CYTHON_UNUSED PyObject *gen, PyObject *value, CYTHON_UNUSED int closing) {
      #ifdef __Pyx_Coroutine_USED
      if (!closing && __Pyx_Coroutine_Check(gen)) {
          PyErr_SetString(PyExc_RuntimeError, "cannot reuse already awaited coroutine");
      } else
      #endif
      if (value) {
          #ifdef __Pyx_AsyncGen_USED
          if (__Pyx_AsyncGen_CheckExact(gen))
              PyErr_SetNone(__Pyx_PyExc_StopAsyncIteration);
          else
          #endif
          PyErr_SetNone(PyExc_StopIteration);
      }
  }
  static
  PyObject *__Pyx_Coroutine_SendEx(__pyx_CoroutineObject *self, PyObject *value, int closing) {
      __Pyx_PyThreadState_declare
      PyThreadState *tstate;
      __Pyx_ExcInfoStruct *exc_state;
      PyObject *retval;
      assert(!self->is_running);
      if (unlikely(self->resume_label == 0)) {
          if (unlikely(value && value != Py_None)) {
              return __Pyx_Coroutine_NotStartedError((PyObject*)self);
          }
      }
      if (unlikely(self->resume_label == -1)) {
          return __Pyx_Coroutine_AlreadyTerminatedError((PyObject*)self, value, closing);
      }
  #if CYTHON_FAST_THREAD_STATE
      __Pyx_PyThreadState_assign
      tstate = __pyx_tstate;
  #else
      tstate = __Pyx_PyThreadState_Current;
  #endif
      exc_state = &self->gi_exc_state;
      if (exc_state->exc_type) {
          #if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
          #else
          if (exc_state->exc_traceback) {
              PyTracebackObject *tb = (PyTracebackObject *) exc_state->exc_traceback;
              PyFrameObject *f = tb->tb_frame;
              Py_XINCREF(tstate->frame);
              assert(f->f_back == NULL);
              f->f_back = tstate->frame;
          }
          #endif
      }
  #if CYTHON_USE_EXC_INFO_STACK
      exc_state->previous_item = tstate->exc_info;
      tstate->exc_info = exc_state;
  #else
      if (exc_state->exc_type) {
          __Pyx_ExceptionSwap(&exc_state->exc_type, &exc_state->exc_value, &exc_state->exc_traceback);
      } else {
          __Pyx_Coroutine_ExceptionClear(exc_state);
          __Pyx_ExceptionSave(&exc_state->exc_type, &exc_state->exc_value, &exc_state->exc_traceback);
      }
  #endif
      self->is_running = 1;
      retval = self->body((PyObject *) self, tstate, value);
      self->is_running = 0;
  #if CYTHON_USE_EXC_INFO_STACK
      exc_state = &self->gi_exc_state;
      tstate->exc_info = exc_state->previous_item;
      exc_state->previous_item = NULL;
      __Pyx_Coroutine_ResetFrameBackpointer(exc_state);
  #endif
      return retval;
  }
  static CYTHON_INLINE void __Pyx_Coroutine_ResetFrameBackpointer(__Pyx_ExcInfoStruct *exc_state) {
      PyObject *exc_tb = exc_state->exc_traceback;
      if (likely(exc_tb)) {
  #if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
  #else
          PyTracebackObject *tb = (PyTracebackObject *) exc_tb;
          PyFrameObject *f = tb->tb_frame;
          Py_CLEAR(f->f_back);
  #endif
      }
  }
  static CYTHON_INLINE
  PyObject *__Pyx_Coroutine_MethodReturn(CYTHON_UNUSED PyObject* gen, PyObject *retval) {
      if (unlikely(!retval)) {
          __Pyx_PyThreadState_declare
          __Pyx_PyThreadState_assign
          if (!__Pyx_PyErr_Occurred()) {
              PyObject *exc = PyExc_StopIteration;
              #ifdef __Pyx_AsyncGen_USED
              if (__Pyx_AsyncGen_CheckExact(gen))
                  exc = __Pyx_PyExc_StopAsyncIteration;
              #endif
              __Pyx_PyErr_SetNone(exc);
          }
      }
      return retval;
  }
  static CYTHON_INLINE
  PyObject *__Pyx_Coroutine_FinishDelegation(__pyx_CoroutineObject *gen) {
      PyObject *ret;
      PyObject *val = NULL;
      __Pyx_Coroutine_Undelegate(gen);
      __Pyx_PyGen__FetchStopIterationValue(__Pyx_PyThreadState_Current, &val);
      ret = __Pyx_Coroutine_SendEx(gen, val, 0);
      Py_XDECREF(val);
      return ret;
  }
  static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value) {
      PyObject *retval;
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self;
      PyObject *yf = gen->yieldfrom;
      if (unlikely(gen->is_running))
          return __Pyx_Coroutine_AlreadyRunningError(gen);
      if (yf) {
          PyObject *ret;
          gen->is_running = 1;
          #ifdef __Pyx_Generator_USED
          if (__Pyx_Generator_CheckExact(yf)) {
              ret = __Pyx_Coroutine_Send(yf, value);
          } else
          #endif
          #ifdef __Pyx_Coroutine_USED
          if (__Pyx_Coroutine_Check(yf)) {
              ret = __Pyx_Coroutine_Send(yf, value);
          } else
          #endif
          #ifdef __Pyx_AsyncGen_USED
          if (__pyx_PyAsyncGenASend_CheckExact(yf)) {
              ret = __Pyx_async_gen_asend_send(yf, value);
          } else
          #endif
          #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
          if (PyGen_CheckExact(yf)) {
              ret = _PyGen_Send((PyGenObject*)yf, value == Py_None ? NULL : value);
          } else
          #endif
          #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03050000 && defined(PyCoro_CheckExact) && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
          if (PyCoro_CheckExact(yf)) {
              ret = _PyGen_Send((PyGenObject*)yf, value == Py_None ? NULL : value);
          } else
          #endif
          {
              if (value == Py_None)
                  ret = Py_TYPE(yf)->tp_iternext(yf);
              else
                  ret = __Pyx_PyObject_CallMethod1(yf, __pyx_n_s_send, value);
          }
          gen->is_running = 0;
          if (likely(ret)) {
              return ret;
          }
          retval = __Pyx_Coroutine_FinishDelegation(gen);
      } else {
          retval = __Pyx_Coroutine_SendEx(gen, value, 0);
      }
      return __Pyx_Coroutine_MethodReturn(self, retval);
  }
  static int __Pyx_Coroutine_CloseIter(__pyx_CoroutineObject *gen, PyObject *yf) {
      PyObject *retval = NULL;
      int err = 0;
      #ifdef __Pyx_Generator_USED
      if (__Pyx_Generator_CheckExact(yf)) {
          retval = __Pyx_Coroutine_Close(yf);
          if (!retval)
              return -1;
      } else
      #endif
      #ifdef __Pyx_Coroutine_USED
      if (__Pyx_Coroutine_Check(yf)) {
          retval = __Pyx_Coroutine_Close(yf);
          if (!retval)
              return -1;
      } else
      if (__Pyx_CoroutineAwait_CheckExact(yf)) {
          retval = __Pyx_CoroutineAwait_Close((__pyx_CoroutineAwaitObject*)yf, NULL);
          if (!retval)
              return -1;
      } else
      #endif
      #ifdef __Pyx_AsyncGen_USED
      if (__pyx_PyAsyncGenASend_CheckExact(yf)) {
          retval = __Pyx_async_gen_asend_close(yf, NULL);
      } else
      if (__pyx_PyAsyncGenAThrow_CheckExact(yf)) {
          retval = __Pyx_async_gen_athrow_close(yf, NULL);
      } else
      #endif
      {
          PyObject *meth;
          gen->is_running = 1;
          meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_close);
          if (unlikely(!meth)) {
              if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
                  PyErr_WriteUnraisable(yf);
              }
              PyErr_Clear();
          } else {
              retval = PyObject_CallFunction(meth, NULL);
              Py_DECREF(meth);
              if (!retval)
                  err = -1;
          }
          gen->is_running = 0;
      }
      Py_XDECREF(retval);
      return err;
  }
  static PyObject *__Pyx_Generator_Next(PyObject *self) {
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self;
      PyObject *yf = gen->yieldfrom;
      if (unlikely(gen->is_running))
          return __Pyx_Coroutine_AlreadyRunningError(gen);
      if (yf) {
          PyObject *ret;
          gen->is_running = 1;
          #ifdef __Pyx_Generator_USED
          if (__Pyx_Generator_CheckExact(yf)) {
              ret = __Pyx_Generator_Next(yf);
          } else
          #endif
          #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
          if (PyGen_CheckExact(yf)) {
              ret = _PyGen_Send((PyGenObject*)yf, NULL);
          } else
          #endif
          #ifdef __Pyx_Coroutine_USED
          if (__Pyx_Coroutine_Check(yf)) {
              ret = __Pyx_Coroutine_Send(yf, Py_None);
          } else
          #endif
              ret = Py_TYPE(yf)->tp_iternext(yf);
          gen->is_running = 0;
          if (likely(ret)) {
              return ret;
          }
          return __Pyx_Coroutine_FinishDelegation(gen);
      }
      return __Pyx_Coroutine_SendEx(gen, Py_None, 0);
  }
  static PyObject *__Pyx_Coroutine_Close_Method(PyObject *self, CYTHON_UNUSED PyObject *arg) {
      return __Pyx_Coroutine_Close(self);
  }
  static PyObject *__Pyx_Coroutine_Close(PyObject *self) {
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
      PyObject *retval, *raised_exception;
      PyObject *yf = gen->yieldfrom;
      int err = 0;
      if (unlikely(gen->is_running))
          return __Pyx_Coroutine_AlreadyRunningError(gen);
      if (yf) {
          Py_INCREF(yf);
          err = __Pyx_Coroutine_CloseIter(gen, yf);
          __Pyx_Coroutine_Undelegate(gen);
          Py_DECREF(yf);
      }
      if (err == 0)
          PyErr_SetNone(PyExc_GeneratorExit);
      retval = __Pyx_Coroutine_SendEx(gen, NULL, 1);
      if (unlikely(retval)) {
          const char *msg;
          Py_DECREF(retval);
          if ((0)) {
          #ifdef __Pyx_Coroutine_USED
          } else if (__Pyx_Coroutine_Check(self)) {
              msg = "coroutine ignored GeneratorExit";
          #endif
          #ifdef __Pyx_AsyncGen_USED
          } else if (__Pyx_AsyncGen_CheckExact(self)) {
  #if PY_VERSION_HEX < 0x03060000
              msg = "async generator ignored GeneratorExit - might require Python 3.6+ finalisation (PEP 525)";
  #else
              msg = "async generator ignored GeneratorExit";
  #endif
          #endif
          } else {
              msg = "generator ignored GeneratorExit";
          }
          PyErr_SetString(PyExc_RuntimeError, msg);
          return NULL;
      }
      raised_exception = PyErr_Occurred();
      if (likely(!raised_exception || __Pyx_PyErr_GivenExceptionMatches2(raised_exception, PyExc_GeneratorExit, PyExc_StopIteration))) {
          if (raised_exception) PyErr_Clear();
          Py_INCREF(Py_None);
          return Py_None;
      }
      return NULL;
  }
  static PyObject *__Pyx__Coroutine_Throw(PyObject *self, PyObject *typ, PyObject *val, PyObject *tb,
                                          PyObject *args, int close_on_genexit) {
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
      PyObject *yf = gen->yieldfrom;
      if (unlikely(gen->is_running))
          return __Pyx_Coroutine_AlreadyRunningError(gen);
      if (yf) {
          PyObject *ret;
          Py_INCREF(yf);
          if (__Pyx_PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit) && close_on_genexit) {
              int err = __Pyx_Coroutine_CloseIter(gen, yf);
              Py_DECREF(yf);
              __Pyx_Coroutine_Undelegate(gen);
              if (err < 0)
                  return __Pyx_Coroutine_MethodReturn(self, __Pyx_Coroutine_SendEx(gen, NULL, 0));
              goto throw_here;
          }
          gen->is_running = 1;
          if (0
          #ifdef __Pyx_Generator_USED
              || __Pyx_Generator_CheckExact(yf)
          #endif
          #ifdef __Pyx_Coroutine_USED
              || __Pyx_Coroutine_Check(yf)
          #endif
              ) {
              ret = __Pyx__Coroutine_Throw(yf, typ, val, tb, args, close_on_genexit);
          #ifdef __Pyx_Coroutine_USED
          } else if (__Pyx_CoroutineAwait_CheckExact(yf)) {
              ret = __Pyx__Coroutine_Throw(((__pyx_CoroutineAwaitObject*)yf)->coroutine, typ, val, tb, args, close_on_genexit);
          #endif
          } else {
              PyObject *meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_throw);
              if (unlikely(!meth)) {
                  Py_DECREF(yf);
                  if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
                      gen->is_running = 0;
                      return NULL;
                  }
                  PyErr_Clear();
                  __Pyx_Coroutine_Undelegate(gen);
                  gen->is_running = 0;
                  goto throw_here;
              }
              if (likely(args)) {
                  ret = PyObject_CallObject(meth, args);
              } else {
                  ret = PyObject_CallFunctionObjArgs(meth, typ, val, tb, NULL);
              }
              Py_DECREF(meth);
          }
          gen->is_running = 0;
          Py_DECREF(yf);
          if (!ret) {
              ret = __Pyx_Coroutine_FinishDelegation(gen);
          }
          return __Pyx_Coroutine_MethodReturn(self, ret);
      }
  throw_here:
      __Pyx_Raise(typ, val, tb, NULL);
      return __Pyx_Coroutine_MethodReturn(self, __Pyx_Coroutine_SendEx(gen, NULL, 0));
  }
  static PyObject *__Pyx_Coroutine_Throw(PyObject *self, PyObject *args) {
      PyObject *typ;
      PyObject *val = NULL;
      PyObject *tb = NULL;
      if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
          return NULL;
      return __Pyx__Coroutine_Throw(self, typ, val, tb, args, 1);
  }
  static CYTHON_INLINE int __Pyx_Coroutine_traverse_excstate(__Pyx_ExcInfoStruct *exc_state, visitproc visit, void *arg) {
      Py_VISIT(exc_state->exc_type);
      Py_VISIT(exc_state->exc_value);
      Py_VISIT(exc_state->exc_traceback);
      return 0;
  }
  static int __Pyx_Coroutine_traverse(__pyx_CoroutineObject *gen, visitproc visit, void *arg) {
      Py_VISIT(gen->closure);
      Py_VISIT(gen->classobj);
      Py_VISIT(gen->yieldfrom);
      return __Pyx_Coroutine_traverse_excstate(&gen->gi_exc_state, visit, arg);
  }
  static int __Pyx_Coroutine_clear(PyObject *self) {
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
      Py_CLEAR(gen->closure);
      Py_CLEAR(gen->classobj);
      Py_CLEAR(gen->yieldfrom);
      __Pyx_Coroutine_ExceptionClear(&gen->gi_exc_state);
  #ifdef __Pyx_AsyncGen_USED
      if (__Pyx_AsyncGen_CheckExact(self)) {
          Py_CLEAR(((__pyx_PyAsyncGenObject*)gen)->ag_finalizer);
      }
  #endif
      Py_CLEAR(gen->gi_code);
      Py_CLEAR(gen->gi_name);
      Py_CLEAR(gen->gi_qualname);
      Py_CLEAR(gen->gi_modulename);
      return 0;
  }
  static void __Pyx_Coroutine_dealloc(PyObject *self) {
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
      PyObject_GC_UnTrack(gen);
      if (gen->gi_weakreflist != NULL)
          PyObject_ClearWeakRefs(self);
      if (gen->resume_label >= 0) {
          PyObject_GC_Track(self);
  #if PY_VERSION_HEX >= 0x030400a1 && CYTHON_USE_TP_FINALIZE
          if (PyObject_CallFinalizerFromDealloc(self))
  #else
          Py_TYPE(gen)->tp_del(self);
          if (self->ob_refcnt > 0)
  #endif
          {
              return;
          }
          PyObject_GC_UnTrack(self);
      }
  #ifdef __Pyx_AsyncGen_USED
      if (__Pyx_AsyncGen_CheckExact(self)) {
          /* We have to handle this case for asynchronous generators
             right here, because this code has to be between UNTRACK
             and GC_Del. */
          Py_CLEAR(((__pyx_PyAsyncGenObject*)self)->ag_finalizer);
      }
  #endif
      __Pyx_Coroutine_clear(self);
      PyObject_GC_Del(gen);
  }
  static void __Pyx_Coroutine_del(PyObject *self) {
      PyObject *error_type, *error_value, *error_traceback;
      __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
      __Pyx_PyThreadState_declare
      if (gen->resume_label < 0) {
          return;
      }
  #if !CYTHON_USE_TP_FINALIZE
      assert(self->ob_refcnt == 0);
      self->ob_refcnt = 1;
  #endif
      __Pyx_PyThreadState_assign
      __Pyx_ErrFetch(&error_type, &error_value, &error_traceback);
  #ifdef __Pyx_AsyncGen_USED
      if (__Pyx_AsyncGen_CheckExact(self)) {
          __pyx_PyAsyncGenObject *agen = (__pyx_PyAsyncGenObject*)self;
          PyObject *finalizer = agen->ag_finalizer;
          if (finalizer && !agen->ag_closed) {
              PyObject *res = __Pyx_PyObject_CallOneArg(finalizer, self);
              if (unlikely(!res)) {
                  PyErr_WriteUnraisable(self);
              } else {
                  Py_DECREF(res);
              }
              __Pyx_ErrRestore(error_type, error_value, error_traceback);
              return;
          }
      }
  #endif
      if (unlikely(gen->resume_label == 0 && !error_value)) {
  #ifdef __Pyx_Coroutine_USED
  #ifdef __Pyx_Generator_USED
      if (!__Pyx_Generator_CheckExact(self))
  #endif
          {
          PyObject_GC_UnTrack(self);
  #if PY_MAJOR_VERSION >= 3  || defined(PyErr_WarnFormat)
          if (unlikely(PyErr_WarnFormat(PyExc_RuntimeWarning, 1, "coroutine '%.50S' was never awaited", gen->gi_qualname) < 0))
              PyErr_WriteUnraisable(self);
  #else
          {PyObject *msg;
          char *cmsg;
          #if CYTHON_COMPILING_IN_PYPY
          msg = NULL;
          cmsg = (char*) "coroutine was never awaited";
          #else
          char *cname;
          PyObject *qualname;
          qualname = gen->gi_qualname;
          cname = PyString_AS_STRING(qualname);
          msg = PyString_FromFormat("coroutine '%.50s' was never awaited", cname);
          if (unlikely(!msg)) {
              PyErr_Clear();
              cmsg = (char*) "coroutine was never awaited";
          } else {
              cmsg = PyString_AS_STRING(msg);
          }
          #endif
          if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, cmsg, 1) < 0))
              PyErr_WriteUnraisable(self);
          Py_XDECREF(msg);}
  #endif
          PyObject_GC_Track(self);
          }
  #endif
      } else {
          PyObject *res = __Pyx_Coroutine_Close(self);
          if (unlikely(!res)) {
              if (PyErr_Occurred())
                  PyErr_WriteUnraisable(self);
          } else {
              Py_DECREF(res);
          }
      }
      __Pyx_ErrRestore(error_type, error_value, error_traceback);
  #if !CYTHON_USE_TP_FINALIZE
      assert(self->ob_refcnt > 0);
      if (--self->ob_refcnt == 0) {
          return;
      }
      {
          Py_ssize_t refcnt = self->ob_refcnt;
          _Py_NewReference(self);
          self->ob_refcnt = refcnt;
      }
  #if CYTHON_COMPILING_IN_CPYTHON
      assert(PyType_IS_GC(self->ob_type) &&
             _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
      _Py_DEC_REFTOTAL;
  #endif
  #ifdef COUNT_ALLOCS
      --Py_TYPE(self)->tp_frees;
      --Py_TYPE(self)->tp_allocs;
  #endif
  #endif
  }
  static PyObject *
  __Pyx_Coroutine_get_name(__pyx_CoroutineObject *self, CYTHON_UNUSED void *context)
  {
      PyObject *name = self->gi_name;
      if (unlikely(!name)) name = Py_None;
      Py_INCREF(name);
      return name;
  }
  static int
  __Pyx_Coroutine_set_name(__pyx_CoroutineObject *self, PyObject *value, CYTHON_UNUSED void *context)
  {
      PyObject *tmp;
  #if PY_MAJOR_VERSION >= 3
      if (unlikely(value == NULL || !PyUnicode_Check(value)))
  #else
      if (unlikely(value == NULL || !PyString_Check(value)))
  #endif
      {
          PyErr_SetString(PyExc_TypeError,
                          "__name__ must be set to a string object");
          return -1;
      }
      tmp = self->gi_name;
      Py_INCREF(value);
      self->gi_name = value;
      Py_XDECREF(tmp);
      return 0;
  }
  static PyObject *
  __Pyx_Coroutine_get_qualname(__pyx_CoroutineObject *self, CYTHON_UNUSED void *context)
  {
      PyObject *name = self->gi_qualname;
      if (unlikely(!name)) name = Py_None;
      Py_INCREF(name);
      return name;
  }
  static int
  __Pyx_Coroutine_set_qualname(__pyx_CoroutineObject *self, PyObject *value, CYTHON_UNUSED void *context)
  {
      PyObject *tmp;
  #if PY_MAJOR_VERSION >= 3
      if (unlikely(value == NULL || !PyUnicode_Check(value)))
  #else
      if (unlikely(value == NULL || !PyString_Check(value)))
  #endif
      {
          PyErr_SetString(PyExc_TypeError,
                          "__qualname__ must be set to a string object");
          return -1;
      }
      tmp = self->gi_qualname;
      Py_INCREF(value);
      self->gi_qualname = value;
      Py_XDECREF(tmp);
      return 0;
  }
  static __pyx_CoroutineObject *__Pyx__Coroutine_New(
              PyTypeObject* type, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
              PyObject *name, PyObject *qualname, PyObject *module_name) {
      __pyx_CoroutineObject *gen = PyObject_GC_New(__pyx_CoroutineObject, type);
      if (unlikely(!gen))
          return NULL;
      return __Pyx__Coroutine_NewInit(gen, body, code, closure, name, qualname, module_name);
  }
  static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit(
              __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
              PyObject *name, PyObject *qualname, PyObject *module_name) {
      gen->body = body;
      gen->closure = closure;
      Py_XINCREF(closure);
      gen->is_running = 0;
      gen->resume_label = 0;
      gen->classobj = NULL;
      gen->yieldfrom = NULL;
      gen->gi_exc_state.exc_type = NULL;
      gen->gi_exc_state.exc_value = NULL;
      gen->gi_exc_state.exc_traceback = NULL;
  #if CYTHON_USE_EXC_INFO_STACK
      gen->gi_exc_state.previous_item = NULL;
  #endif
      gen->gi_weakreflist = NULL;
      Py_XINCREF(qualname);
      gen->gi_qualname = qualname;
      Py_XINCREF(name);
      gen->gi_name = name;
      Py_XINCREF(module_name);
      gen->gi_modulename = module_name;
      Py_XINCREF(code);
      gen->gi_code = code;
      PyObject_GC_Track(gen);
      return gen;
  }
  
  /* PatchModuleWithCoroutine */
  static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code) {
  #if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
      int result;
      PyObject *globals, *result_obj;
      globals = PyDict_New();  if (unlikely(!globals)) goto ignore;
      result = PyDict_SetItemString(globals, "_cython_coroutine_type",
      #ifdef __Pyx_Coroutine_USED
          (PyObject*)__pyx_CoroutineType);
      #else
          Py_None);
      #endif
      if (unlikely(result < 0)) goto ignore;
      result = PyDict_SetItemString(globals, "_cython_generator_type",
      #ifdef __Pyx_Generator_USED
          (PyObject*)__pyx_GeneratorType);
      #else
          Py_None);
      #endif
      if (unlikely(result < 0)) goto ignore;
      if (unlikely(PyDict_SetItemString(globals, "_module", module) < 0)) goto ignore;
      if (unlikely(PyDict_SetItemString(globals, "__builtins__", __pyx_b) < 0)) goto ignore;
      result_obj = PyRun_String(py_code, Py_file_input, globals, globals);
      if (unlikely(!result_obj)) goto ignore;
      Py_DECREF(result_obj);
      Py_DECREF(globals);
      return module;
  ignore:
      Py_XDECREF(globals);
      PyErr_WriteUnraisable(module);
      if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, "Cython module failed to patch module with custom type", 1) < 0)) {
          Py_DECREF(module);
          module = NULL;
      }
  #else
      py_code++;
  #endif
      return module;
  }
  
  /* PatchGeneratorABC */
  #ifndef CYTHON_REGISTER_ABCS
  #define CYTHON_REGISTER_ABCS 1
  #endif
  #if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
  static PyObject* __Pyx_patch_abc_module(PyObject *module);
  static PyObject* __Pyx_patch_abc_module(PyObject *module) {
      module = __Pyx_Coroutine_patch_module(
          module, ""
  "if _cython_generator_type is not None:\n"
  "    try: Generator = _module.Generator\n"
  "    except AttributeError: pass\n"
  "    else: Generator.register(_cython_generator_type)\n"
  "if _cython_coroutine_type is not None:\n"
  "    try: Coroutine = _module.Coroutine\n"
  "    except AttributeError: pass\n"
  "    else: Coroutine.register(_cython_coroutine_type)\n"
      );
      return module;
  }
  #endif
  static int __Pyx_patch_abc(void) {
  #if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
      static int abc_patched = 0;
      if (CYTHON_REGISTER_ABCS && !abc_patched) {
          PyObject *module;
          module = PyImport_ImportModule((PY_MAJOR_VERSION >= 3) ? "collections.abc" : "collections");
          if (!module) {
              PyErr_WriteUnraisable(NULL);
              if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning,
                      ((PY_MAJOR_VERSION >= 3) ?
                          "Cython module failed to register with collections.abc module" :
                          "Cython module failed to register with collections module"), 1) < 0)) {
                  return -1;
              }
          } else {
              module = __Pyx_patch_abc_module(module);
              abc_patched = 1;
              if (unlikely(!module))
                  return -1;
              Py_DECREF(module);
          }
          module = PyImport_ImportModule("backports_abc");
          if (module) {
              module = __Pyx_patch_abc_module(module);
              Py_XDECREF(module);
          }
          if (!module) {
              PyErr_Clear();
          }
      }
  #else
      if ((0)) __Pyx_Coroutine_patch_module(NULL, NULL);
  #endif
      return 0;
  }
  
  /* Generator */
  static PyMethodDef __pyx_Generator_methods[] = {
      {"send", (PyCFunction) __Pyx_Coroutine_Send, METH_O,
       (char*) PyDoc_STR("send(arg) -> send 'arg' into generator,\nreturn next yielded value or raise StopIteration.")},
      {"throw", (PyCFunction) __Pyx_Coroutine_Throw, METH_VARARGS,
       (char*) PyDoc_STR("throw(typ[,val[,tb]]) -> raise exception in generator,\nreturn next yielded value or raise StopIteration.")},
      {"close", (PyCFunction) __Pyx_Coroutine_Close_Method, METH_NOARGS,
       (char*) PyDoc_STR("close() -> raise GeneratorExit inside generator.")},
      {0, 0, 0, 0}
  };
  static PyMemberDef __pyx_Generator_memberlist[] = {
      {(char *) "gi_running", T_BOOL, offsetof(__pyx_CoroutineObject, is_running), READONLY, NULL},
      {(char*) "gi_yieldfrom", T_OBJECT, offsetof(__pyx_CoroutineObject, yieldfrom), READONLY,
       (char*) PyDoc_STR("object being iterated by 'yield from', or None")},
      {(char*) "gi_code", T_OBJECT, offsetof(__pyx_CoroutineObject, gi_code), READONLY, NULL},
      {0, 0, 0, 0, 0}
  };
  static PyGetSetDef __pyx_Generator_getsets[] = {
      {(char *) "__name__", (getter)__Pyx_Coroutine_get_name, (setter)__Pyx_Coroutine_set_name,
       (char*) PyDoc_STR("name of the generator"), 0},
      {(char *) "__qualname__", (getter)__Pyx_Coroutine_get_qualname, (setter)__Pyx_Coroutine_set_qualname,
       (char*) PyDoc_STR("qualified name of the generator"), 0},
      {0, 0, 0, 0, 0}
  };
  static PyTypeObject __pyx_GeneratorType_type = {
      PyVarObject_HEAD_INIT(0, 0)
      "generator",
      sizeof(__pyx_CoroutineObject),
      0,
      (destructor) __Pyx_Coroutine_dealloc,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE,
      0,
      (traverseproc) __Pyx_Coroutine_traverse,
      0,
      0,
      offsetof(__pyx_CoroutineObject, gi_weakreflist),
      0,
      (iternextfunc) __Pyx_Generator_Next,
      __pyx_Generator_methods,
      __pyx_Generator_memberlist,
      __pyx_Generator_getsets,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
  #if CYTHON_USE_TP_FINALIZE
      0,
  #else
      __Pyx_Coroutine_del,
  #endif
      0,
  #if CYTHON_USE_TP_FINALIZE
      __Pyx_Coroutine_del,
  #elif PY_VERSION_HEX >= 0x030400a1
      0,
  #endif
  #if PY_VERSION_HEX >= 0x030800b1
      0,
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
      0,
  #endif
  };
  static int __pyx_Generator_init(void) {
      __pyx_GeneratorType_type.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict;
      __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
      __pyx_GeneratorType = __Pyx_FetchCommonType(&__pyx_GeneratorType_type);
      if (unlikely(!__pyx_GeneratorType)) {
          return -1;
      }
      return 0;
  }
  
  /* CheckBinaryVersion */
  static int __Pyx_check_binary_version(void) {
      char ctversion[4], rtversion[4];
      PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
      PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
      if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
          char message[200];
          PyOS_snprintf(message, sizeof(message),
                        "compiletime version %s of module '%.100s' "
                        "does not match runtime version %s",
                        ctversion, __Pyx_MODULE_NAME, rtversion);
          return PyErr_WarnEx(NULL, message, 1);
      }
      return 0;
  }
  
  /* InitStrings */
  static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
      while (t->p) {
          #if PY_MAJOR_VERSION < 3
          if (t->is_unicode) {
              *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
          } else if (t->intern) {
              *t->p = PyString_InternFromString(t->s);
          } else {
              *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
          }
          #else
          if (t->is_unicode | t->is_str) {
              if (t->intern) {
                  *t->p = PyUnicode_InternFromString(t->s);
              } else if (t->encoding) {
                  *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
              } else {
                  *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
              }
          } else {
              *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
          }
          #endif
          if (!*t->p)
              return -1;
          if (PyObject_Hash(*t->p) == -1)
              return -1;
          ++t;
      }
      return 0;
  }
  
  static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
      return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
  }
  static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) {
      Py_ssize_t ignore;
      return __Pyx_PyObject_AsStringAndSize(o, &ignore);
  }
  #if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
  #if !CYTHON_PEP393_ENABLED
  static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
      char* defenc_c;
      PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
      if (!defenc) return NULL;
      defenc_c = PyBytes_AS_STRING(defenc);
  #if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
      {
          char* end = defenc_c + PyBytes_GET_SIZE(defenc);
          char* c;
          for (c = defenc_c; c < end; c++) {
              if ((unsigned char) (*c) >= 128) {
                  PyUnicode_AsASCIIString(o);
                  return NULL;
              }
          }
      }
  #endif
      *length = PyBytes_GET_SIZE(defenc);
      return defenc_c;
  }
  #else
  static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
      if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL;
  #if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
      if (likely(PyUnicode_IS_ASCII(o))) {
          *length = PyUnicode_GET_LENGTH(o);
          return PyUnicode_AsUTF8(o);
      } else {
          PyUnicode_AsASCIIString(o);
          return NULL;
      }
  #else
      return PyUnicode_AsUTF8AndSize(o, length);
  #endif
  }
  #endif
  #endif
  static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
  #if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
      if (
  #if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
              __Pyx_sys_getdefaultencoding_not_ascii &&
  #endif
              PyUnicode_Check(o)) {
          return __Pyx_PyUnicode_AsStringAndSize(o, length);
      } else
  #endif
  #if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
      if (PyByteArray_Check(o)) {
          *length = PyByteArray_GET_SIZE(o);
          return PyByteArray_AS_STRING(o);
      } else
  #endif
      {
          char* result;
          int r = PyBytes_AsStringAndSize(o, &result, length);
          if (unlikely(r < 0)) {
              return NULL;
          } else {
              return result;
          }
      }
  }
  static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
     int is_true = x == Py_True;
     if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
     else return PyObject_IsTrue(x);
  }
  static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) {
      int retval;
      if (unlikely(!x)) return -1;
      retval = __Pyx_PyObject_IsTrue(x);
      Py_DECREF(x);
      return retval;
  }
  static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) {
  #if PY_MAJOR_VERSION >= 3
      if (PyLong_Check(result)) {
          if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
                  "__int__ returned non-int (type %.200s).  "
                  "The ability to return an instance of a strict subclass of int "
                  "is deprecated, and may be removed in a future version of Python.",
                  Py_TYPE(result)->tp_name)) {
              Py_DECREF(result);
              return NULL;
          }
          return result;
      }
  #endif
      PyErr_Format(PyExc_TypeError,
                   "__%.4s__ returned non-%.4s (type %.200s)",
                   type_name, type_name, Py_TYPE(result)->tp_name);
      Py_DECREF(result);
      return NULL;
  }
  static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
  #if CYTHON_USE_TYPE_SLOTS
    PyNumberMethods *m;
  #endif
    const char *name = NULL;
    PyObject *res = NULL;
  #if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x) || PyLong_Check(x)))
  #else
    if (likely(PyLong_Check(x)))
  #endif
      return __Pyx_NewRef(x);
  #if CYTHON_USE_TYPE_SLOTS
    m = Py_TYPE(x)->tp_as_number;
    #if PY_MAJOR_VERSION < 3
    if (m && m->nb_int) {
      name = "int";
      res = m->nb_int(x);
    }
    else if (m && m->nb_long) {
      name = "long";
      res = m->nb_long(x);
    }
    #else
    if (likely(m && m->nb_int)) {
      name = "int";
      res = m->nb_int(x);
    }
    #endif
  #else
    if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) {
      res = PyNumber_Int(x);
    }
  #endif
    if (likely(res)) {
  #if PY_MAJOR_VERSION < 3
      if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) {
  #else
      if (unlikely(!PyLong_CheckExact(res))) {
  #endif
          return __Pyx_PyNumber_IntOrLongWrongResultType(res, name);
      }
    }
    else if (!PyErr_Occurred()) {
      PyErr_SetString(PyExc_TypeError,
                      "an integer is required");
    }
    return res;
  }
  static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
    Py_ssize_t ival;
    PyObject *x;
  #if PY_MAJOR_VERSION < 3
    if (likely(PyInt_CheckExact(b))) {
      if (sizeof(Py_ssize_t) >= sizeof(long))
          return PyInt_AS_LONG(b);
      else
          return PyInt_AsSsize_t(b);
    }
  #endif
    if (likely(PyLong_CheckExact(b))) {
      #if CYTHON_USE_PYLONG_INTERNALS
      const digit* digits = ((PyLongObject*)b)->ob_digit;
      const Py_ssize_t size = Py_SIZE(b);
      if (likely(__Pyx_sst_abs(size) <= 1)) {
          ival = likely(size) ? digits[0] : 0;
          if (size == -1) ival = -ival;
          return ival;
      } else {
        switch (size) {
           case 2:
             if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
               return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
             }
             break;
           case -2:
             if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
               return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
             }
             break;
           case 3:
             if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
               return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
             }
             break;
           case -3:
             if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
               return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
             }
             break;
           case 4:
             if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
               return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
             }
             break;
           case -4:
             if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
               return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
             }
             break;
        }
      }
      #endif
      return PyLong_AsSsize_t(b);
    }
    x = PyNumber_Index(b);
    if (!x) return -1;
    ival = PyInt_AsSsize_t(x);
    Py_DECREF(x);
    return ival;
  }
  static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) {
    return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False);
  }
  static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
      return PyInt_FromSize_t(ival);
  }
  
  
  #endif /* Py_PYTHON_H */
  