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#define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
#define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async)
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typedef struct {
    unaryfunc am_await;
    unaryfunc am_aiter;
    unaryfunc am_anext;
} __Pyx_PyAsyncMethodsStruct;
#define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved))
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    #define CYTHON_RESTRICT restrict
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    #define CYTHON_RESTRICT
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#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None)

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

#if defined(WIN32) || defined(MS_WINDOWS)
  #define _USE_MATH_DEFINES
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#include <math.h>
#ifdef NAN
#define __PYX_NAN() ((float) NAN)
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static CYTHON_INLINE float __PYX_NAN() {
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  return value;
}
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#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
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  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
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#ifndef __PYX_EXTERN_C
  #ifdef __cplusplus
    #define __PYX_EXTERN_C extern "C"
  #else
    #define __PYX_EXTERN_C extern
  #endif
#endif

#define __PYX_HAVE__zmq__devices__monitoredqueue
#define __PYX_HAVE_API__zmq__devices__monitoredqueue
#include "zmq_compat.h"
#include "zmq.h"
#include "zmq_utils.h"
#include "string.h"
#include "pyversion_compat.h"
#include "errno.h"
#include "stdio.h"
#include "pythread.h"
#ifdef _OPENMP
#include <omp.h>
#endif /* _OPENMP */

#ifdef PYREX_WITHOUT_ASSERTIONS
#define CYTHON_WITHOUT_ASSERTIONS
#endif

#ifndef CYTHON_UNUSED
# if defined(__GNUC__)
#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
#     define CYTHON_UNUSED __attribute__ ((__unused__))
#   else
#     define CYTHON_UNUSED
#   endif
# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
#   define CYTHON_UNUSED __attribute__ ((__unused__))
# else
#   define CYTHON_UNUSED
# endif
#endif
#ifndef CYTHON_NCP_UNUSED
# if CYTHON_COMPILING_IN_CPYTHON
#  define CYTHON_NCP_UNUSED
# else
#  define CYTHON_NCP_UNUSED CYTHON_UNUSED
# endif
#endif
typedef struct {PyObject **p; char *s; const Py_ssize_t n; const char* encoding;
                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry;

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


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

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


static const char *__pyx_f[] = {
  "zmq/devices/monitoredqueue.pyx",
  "zmq/backend/cython/checkrc.pxd",
  "zmq/utils/buffers.pxd",
  "zmq/backend/cython/context.pxd",
  "zmq/backend/cython/socket.pxd",
  "type.pxd",
  "bool.pxd",
  "complex.pxd",
};

/*--- Type declarations ---*/
struct __pyx_obj_3zmq_7backend_6cython_7context_Context;
struct __pyx_obj_3zmq_7backend_6cython_6socket_Socket;
struct __pyx_opt_args_3zmq_7backend_6cython_6socket_6Socket_send;
struct __pyx_opt_args_3zmq_7backend_6cython_6socket_6Socket_recv;

/* "zmq/backend/cython/socket.pxd":45
 * 
 *     # cpdef methods for direct-cython access:
 *     cpdef object send(self, object data, int flags=*, copy=*, track=*)             # <<<<<<<<<<<<<<
 *     cpdef object recv(self, int flags=*, copy=*, track=*)
 * 
 */
struct __pyx_opt_args_3zmq_7backend_6cython_6socket_6Socket_send {
  int __pyx_n;
  int flags;
  PyObject *copy;
  PyObject *track;
};

/* "zmq/backend/cython/socket.pxd":46
 *     # cpdef methods for direct-cython access:
 *     cpdef object send(self, object data, int flags=*, copy=*, track=*)
 *     cpdef object recv(self, int flags=*, copy=*, track=*)             # <<<<<<<<<<<<<<
 * 
 */
struct __pyx_opt_args_3zmq_7backend_6cython_6socket_6Socket_recv {
  int __pyx_n;
  int flags;
  PyObject *copy;
  PyObject *track;
};

/* "context.pxd":26
 * #-----------------------------------------------------------------------------
 * 
 * cdef class Context:             # <<<<<<<<<<<<<<
 * 
 *     cdef object __weakref__     # enable weakref
 */
struct __pyx_obj_3zmq_7backend_6cython_7context_Context {
  PyObject_HEAD
  struct __pyx_vtabstruct_3zmq_7backend_6cython_7context_Context *__pyx_vtab;
  PyObject *__weakref__;
  void *handle;
  int _shadow;
  void **_sockets;
  size_t _n_sockets;
  size_t _max_sockets;
  int _pid;
  int closed;
};


/* "zmq/backend/cython/socket.pxd":33
 * 
 * 
 * cdef class Socket:             # <<<<<<<<<<<<<<
 * 
 *     cdef object __weakref__     # enable weakref
 */
struct __pyx_obj_3zmq_7backend_6cython_6socket_Socket {
  PyObject_HEAD
  struct __pyx_vtabstruct_3zmq_7backend_6cython_6socket_Socket *__pyx_vtab;
  PyObject *__weakref__;
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/* "zmq/devices/monitoredqueue.pyx":41
 * 
 * 
 * def monitored_queue(Socket in_socket, Socket out_socket, Socket mon_socket,             # <<<<<<<<<<<<<<
 *                     bytes in_prefix=b'in', bytes out_prefix=b'out'):
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 */

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/* "zmq/devices/monitoredqueue.pxd":39
 * #-----------------------------------------------------------------------------
 * 
 * cdef inline int _relay(void *insocket_, void *outsocket_, void *sidesocket_,             # <<<<<<<<<<<<<<
 *                 zmq_msg_t msg, zmq_msg_t side_msg, zmq_msg_t id_msg,
 *                 bint swap_ids) nogil:
 */

static CYTHON_INLINE int __pyx_f_3zmq_7devices_14monitoredqueue__relay(void *__pyx_v_insocket_, void *__pyx_v_outsocket_, void *__pyx_v_sidesocket_, zmq_msg_t __pyx_v_msg, zmq_msg_t __pyx_v_side_msg, zmq_msg_t __pyx_v_id_msg, int __pyx_v_swap_ids) {
  int __pyx_v_rc;
  pyzmq_int64_t __pyx_v_flag_2;
  int __pyx_v_flag_3;
  int __pyx_v_flags;
  size_t __pyx_v_flagsz;
  void *__pyx_v_flag_ptr;
  int __pyx_r;
  int __pyx_t_1;

  /* "zmq/devices/monitoredqueue.pxd":50
 *     cdef void * flag_ptr
 * 
 *     if ZMQ_VERSION_MAJOR < 3:             # <<<<<<<<<<<<<<
 *         flagsz = sizeof (int64_t)
 *         flag_ptr = &flag_2
 */
  __pyx_t_1 = ((ZMQ_VERSION_MAJOR < 3) != 0);
  if (__pyx_t_1) {

    /* "zmq/devices/monitoredqueue.pxd":51
 * 
 *     if ZMQ_VERSION_MAJOR < 3:
 *         flagsz = sizeof (int64_t)             # <<<<<<<<<<<<<<
 *         flag_ptr = &flag_2
 *     else:
 */
    __pyx_v_flagsz = (sizeof(pyzmq_int64_t));

    /* "zmq/devices/monitoredqueue.pxd":52
 *     if ZMQ_VERSION_MAJOR < 3:
 *         flagsz = sizeof (int64_t)
 *         flag_ptr = &flag_2             # <<<<<<<<<<<<<<
 *     else:
 *         flagsz = sizeof (int)
 */
    __pyx_v_flag_ptr = (&__pyx_v_flag_2);

    /* "zmq/devices/monitoredqueue.pxd":50
 *     cdef void * flag_ptr
 * 
 *     if ZMQ_VERSION_MAJOR < 3:             # <<<<<<<<<<<<<<
 *         flagsz = sizeof (int64_t)
 *         flag_ptr = &flag_2
 */
    goto __pyx_L3;
  }

  /* "zmq/devices/monitoredqueue.pxd":54
 *         flag_ptr = &flag_2
 *     else:
 *         flagsz = sizeof (int)             # <<<<<<<<<<<<<<
 *         flag_ptr = &flag_3
 * 
 */
  /*else*/ {
    __pyx_v_flagsz = (sizeof(int));

    /* "zmq/devices/monitoredqueue.pxd":55
 *     else:
 *         flagsz = sizeof (int)
 *         flag_ptr = &flag_3             # <<<<<<<<<<<<<<
 * 
 *     if swap_ids:# both router, must send second identity first
 */
    __pyx_v_flag_ptr = (&__pyx_v_flag_3);
  }
  __pyx_L3:;

  /* "zmq/devices/monitoredqueue.pxd":57
 *         flag_ptr = &flag_3
 * 
 *     if swap_ids:# both router, must send second identity first             # <<<<<<<<<<<<<<
 *         # recv two ids into msg, id_msg
 *         rc = zmq_msg_recv(&msg, insocket_, 0)
 */
  __pyx_t_1 = (__pyx_v_swap_ids != 0);
  if (__pyx_t_1) {

    /* "zmq/devices/monitoredqueue.pxd":59
 *     if swap_ids:# both router, must send second identity first
 *         # recv two ids into msg, id_msg
 *         rc = zmq_msg_recv(&msg, insocket_, 0)             # <<<<<<<<<<<<<<
 *         if rc < 0: return rc
 * 
 */
    __pyx_v_rc = zmq_msg_recv((&__pyx_v_msg), __pyx_v_insocket_, 0);

    /* "zmq/devices/monitoredqueue.pxd":60
 *         # recv two ids into msg, id_msg
 *         rc = zmq_msg_recv(&msg, insocket_, 0)
 *         if rc < 0: return rc             # <<<<<<<<<<<<<<
 * 
 *         rc = zmq_msg_recv(&id_msg, insocket_, 0)
 */
    __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
    if (__pyx_t_1) {
      __pyx_r = __pyx_v_rc;
      goto __pyx_L0;
    }

    /* "zmq/devices/monitoredqueue.pxd":62
 *         if rc < 0: return rc
 * 
 *         rc = zmq_msg_recv(&id_msg, insocket_, 0)             # <<<<<<<<<<<<<<
 *         if rc < 0: return rc
 * 
 */
    __pyx_v_rc = zmq_msg_recv((&__pyx_v_id_msg), __pyx_v_insocket_, 0);

    /* "zmq/devices/monitoredqueue.pxd":63
 * 
 *         rc = zmq_msg_recv(&id_msg, insocket_, 0)
 *         if rc < 0: return rc             # <<<<<<<<<<<<<<
 * 
 *         # send second id (id_msg) first
 */
    __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
    if (__pyx_t_1) {
      __pyx_r = __pyx_v_rc;
      goto __pyx_L0;
    }

    /* "zmq/devices/monitoredqueue.pxd":67
 *         # send second id (id_msg) first
 *         #!!!! always send a copy before the original !!!!
 *         rc = zmq_msg_copy(&side_msg, &id_msg)             # <<<<<<<<<<<<<<
 *         if rc < 0: return rc
 *         rc = zmq_msg_send(&side_msg, outsocket_, ZMQ_SNDMORE)
 */
    __pyx_v_rc = zmq_msg_copy((&__pyx_v_side_msg), (&__pyx_v_id_msg));

    /* "zmq/devices/monitoredqueue.pxd":68
 *         #!!!! always send a copy before the original !!!!
 *         rc = zmq_msg_copy(&side_msg, &id_msg)
 *         if rc < 0: return rc             # <<<<<<<<<<<<<<
 *         rc = zmq_msg_send(&side_msg, outsocket_, ZMQ_SNDMORE)
 *         if rc < 0: return rc
 */
    __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
    if (__pyx_t_1) {
      __pyx_r = __pyx_v_rc;
      goto __pyx_L0;
    }

    /* "zmq/devices/monitoredqueue.pxd":69
 *         rc = zmq_msg_copy(&side_msg, &id_msg)
 *         if rc < 0: return rc
 *         rc = zmq_msg_send(&side_msg, outsocket_, ZMQ_SNDMORE)             # <<<<<<<<<<<<<<
 *         if rc < 0: return rc
 *         rc = zmq_msg_send(&id_msg, sidesocket_, ZMQ_SNDMORE)
 */
    __pyx_v_rc = zmq_msg_send((&__pyx_v_side_msg), __pyx_v_outsocket_, ZMQ_SNDMORE);

    /* "zmq/devices/monitoredqueue.pxd":70
 *         if rc < 0: return rc
 *         rc = zmq_msg_send(&side_msg, outsocket_, ZMQ_SNDMORE)
 *         if rc < 0: return rc             # <<<<<<<<<<<<<<
 *         rc = zmq_msg_send(&id_msg, sidesocket_, ZMQ_SNDMORE)
 *         if rc < 0: return rc
 */
    __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
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      __pyx_r = __pyx_v_rc;
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    /* "zmq/devices/monitoredqueue.pxd":71
 *         rc = zmq_msg_send(&side_msg, outsocket_, ZMQ_SNDMORE)
 *         if rc < 0: return rc
 *         rc = zmq_msg_send(&id_msg, sidesocket_, ZMQ_SNDMORE)             # <<<<<<<<<<<<<<
 *         if rc < 0: return rc
 *         # send first id (msg) second
 */
    __pyx_v_rc = zmq_msg_send((&__pyx_v_id_msg), __pyx_v_sidesocket_, ZMQ_SNDMORE);

    /* "zmq/devices/monitoredqueue.pxd":72
 *         if rc < 0: return rc
 *         rc = zmq_msg_send(&id_msg, sidesocket_, ZMQ_SNDMORE)
 *         if rc < 0: return rc             # <<<<<<<<<<<<<<
 *         # send first id (msg) second
 *         rc = zmq_msg_copy(&side_msg, &msg)
 */
    __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
    if (__pyx_t_1) {
      __pyx_r = __pyx_v_rc;
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    /* "zmq/devices/monitoredqueue.pxd":74
 *         if rc < 0: return rc
 *         # send first id (msg) second
 *         rc = zmq_msg_copy(&side_msg, &msg)             # <<<<<<<<<<<<<<
 *         if rc < 0: return rc
 *         rc = zmq_msg_send(&side_msg, outsocket_, ZMQ_SNDMORE)
 */
    __pyx_v_rc = zmq_msg_copy((&__pyx_v_side_msg), (&__pyx_v_msg));

    /* "zmq/devices/monitoredqueue.pxd":75
 *         # send first id (msg) second
 *         rc = zmq_msg_copy(&side_msg, &msg)
 *         if rc < 0: return rc             # <<<<<<<<<<<<<<
 *         rc = zmq_msg_send(&side_msg, outsocket_, ZMQ_SNDMORE)
 *         if rc < 0: return rc
 */
    __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
    if (__pyx_t_1) {
      __pyx_r = __pyx_v_rc;
      goto __pyx_L0;
    }

    /* "zmq/devices/monitoredqueue.pxd":76
 *         rc = zmq_msg_copy(&side_msg, &msg)
 *         if rc < 0: return rc
 *         rc = zmq_msg_send(&side_msg, outsocket_, ZMQ_SNDMORE)             # <<<<<<<<<<<<<<
 *         if rc < 0: return rc
 *         rc = zmq_msg_send(&msg, sidesocket_, ZMQ_SNDMORE)
 */
    __pyx_v_rc = zmq_msg_send((&__pyx_v_side_msg), __pyx_v_outsocket_, ZMQ_SNDMORE);

    /* "zmq/devices/monitoredqueue.pxd":77
 *         if rc < 0: return rc
 *         rc = zmq_msg_send(&side_msg, outsocket_, ZMQ_SNDMORE)
 *         if rc < 0: return rc             # <<<<<<<<<<<<<<
 *         rc = zmq_msg_send(&msg, sidesocket_, ZMQ_SNDMORE)
 *         if rc < 0: return rc
 */
    __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
    if (__pyx_t_1) {
      __pyx_r = __pyx_v_rc;
      goto __pyx_L0;
    }

    /* "zmq/devices/monitoredqueue.pxd":78
 *         rc = zmq_msg_send(&side_msg, outsocket_, ZMQ_SNDMORE)
 *         if rc < 0: return rc
 *         rc = zmq_msg_send(&msg, sidesocket_, ZMQ_SNDMORE)             # <<<<<<<<<<<<<<
 *         if rc < 0: return rc
 *     while (True):
 */
    __pyx_v_rc = zmq_msg_send((&__pyx_v_msg), __pyx_v_sidesocket_, ZMQ_SNDMORE);

    /* "zmq/devices/monitoredqueue.pxd":79
 *         if rc < 0: return rc
 *         rc = zmq_msg_send(&msg, sidesocket_, ZMQ_SNDMORE)
 *         if rc < 0: return rc             # <<<<<<<<<<<<<<
 *     while (True):
 *         rc = zmq_msg_recv(&msg, insocket_, 0)
 */
    __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
    if (__pyx_t_1) {
      __pyx_r = __pyx_v_rc;
      goto __pyx_L0;
    }

    /* "zmq/devices/monitoredqueue.pxd":57
 *         flag_ptr = &flag_3
 * 
 *     if swap_ids:# both router, must send second identity first             # <<<<<<<<<<<<<<
 *         # recv two ids into msg, id_msg
 *         rc = zmq_msg_recv(&msg, insocket_, 0)
 */
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  /* "zmq/devices/monitoredqueue.pxd":80
 *         rc = zmq_msg_send(&msg, sidesocket_, ZMQ_SNDMORE)
 *         if rc < 0: return rc
 *     while (True):             # <<<<<<<<<<<<<<
 *         rc = zmq_msg_recv(&msg, insocket_, 0)
 *         if rc < 0: return rc
 */
  while (1) {

    /* "zmq/devices/monitoredqueue.pxd":81
 *         if rc < 0: return rc
 *     while (True):
 *         rc = zmq_msg_recv(&msg, insocket_, 0)             # <<<<<<<<<<<<<<
 *         if rc < 0: return rc
 *         # assert (rc == 0)
 */
    __pyx_v_rc = zmq_msg_recv((&__pyx_v_msg), __pyx_v_insocket_, 0);

    /* "zmq/devices/monitoredqueue.pxd":82
 *     while (True):
 *         rc = zmq_msg_recv(&msg, insocket_, 0)
 *         if rc < 0: return rc             # <<<<<<<<<<<<<<
 *         # assert (rc == 0)
 *         rc = zmq_getsockopt (insocket_, ZMQ_RCVMORE, flag_ptr, &flagsz)
 */
    __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
    if (__pyx_t_1) {
      __pyx_r = __pyx_v_rc;
      goto __pyx_L0;
    }

    /* "zmq/devices/monitoredqueue.pxd":84
 *         if rc < 0: return rc
 *         # assert (rc == 0)
 *         rc = zmq_getsockopt (insocket_, ZMQ_RCVMORE, flag_ptr, &flagsz)             # <<<<<<<<<<<<<<
 *         if rc < 0: return rc
 *         flags = 0
 */
    __pyx_v_rc = zmq_getsockopt(__pyx_v_insocket_, ZMQ_RCVMORE, __pyx_v_flag_ptr, (&__pyx_v_flagsz));

    /* "zmq/devices/monitoredqueue.pxd":85
 *         # assert (rc == 0)
 *         rc = zmq_getsockopt (insocket_, ZMQ_RCVMORE, flag_ptr, &flagsz)
 *         if rc < 0: return rc             # <<<<<<<<<<<<<<
 *         flags = 0
 *         if ZMQ_VERSION_MAJOR < 3:
 */
    __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
    if (__pyx_t_1) {
      __pyx_r = __pyx_v_rc;
      goto __pyx_L0;
    }

    /* "zmq/devices/monitoredqueue.pxd":86
 *         rc = zmq_getsockopt (insocket_, ZMQ_RCVMORE, flag_ptr, &flagsz)
 *         if rc < 0: return rc
 *         flags = 0             # <<<<<<<<<<<<<<
 *         if ZMQ_VERSION_MAJOR < 3:
 *             if flag_2:
 */
    __pyx_v_flags = 0;

    /* "zmq/devices/monitoredqueue.pxd":87
 *         if rc < 0: return rc
 *         flags = 0
 *         if ZMQ_VERSION_MAJOR < 3:             # <<<<<<<<<<<<<<
 *             if flag_2:
 *                 flags |= ZMQ_SNDMORE
 */
    __pyx_t_1 = ((ZMQ_VERSION_MAJOR < 3) != 0);
    if (__pyx_t_1) {

      /* "zmq/devices/monitoredqueue.pxd":88
 *         flags = 0
 *         if ZMQ_VERSION_MAJOR < 3:
 *             if flag_2:             # <<<<<<<<<<<<<<
 *                 flags |= ZMQ_SNDMORE
 *         else:
 */
      __pyx_t_1 = (__pyx_v_flag_2 != 0);
      if (__pyx_t_1) {

        /* "zmq/devices/monitoredqueue.pxd":89
 *         if ZMQ_VERSION_MAJOR < 3:
 *             if flag_2:
 *                 flags |= ZMQ_SNDMORE             # <<<<<<<<<<<<<<
 *         else:
 *             if flag_3:
 */
        __pyx_v_flags = (__pyx_v_flags | ZMQ_SNDMORE);

        /* "zmq/devices/monitoredqueue.pxd":88
 *         flags = 0
 *         if ZMQ_VERSION_MAJOR < 3:
 *             if flag_2:             # <<<<<<<<<<<<<<
 *                 flags |= ZMQ_SNDMORE
 *         else:
 */
      }

      /* "zmq/devices/monitoredqueue.pxd":87
 *         if rc < 0: return rc
 *         flags = 0
 *         if ZMQ_VERSION_MAJOR < 3:             # <<<<<<<<<<<<<<
 *             if flag_2:
 *                 flags |= ZMQ_SNDMORE
 */
      goto __pyx_L17;
    }

    /* "zmq/devices/monitoredqueue.pxd":91
 *                 flags |= ZMQ_SNDMORE
 *         else:
 *             if flag_3:             # <<<<<<<<<<<<<<
 *                 flags |= ZMQ_SNDMORE
 *             # LABEL has been removed:
 */
    /*else*/ {
      __pyx_t_1 = (__pyx_v_flag_3 != 0);
      if (__pyx_t_1) {

        /* "zmq/devices/monitoredqueue.pxd":92
 *         else:
 *             if flag_3:
 *                 flags |= ZMQ_SNDMORE             # <<<<<<<<<<<<<<
 *             # LABEL has been removed:
 *             # rc = zmq_getsockopt (insocket_, ZMQ_RCVLABEL, flag_ptr, &flagsz)
 */
        __pyx_v_flags = (__pyx_v_flags | ZMQ_SNDMORE);

        /* "zmq/devices/monitoredqueue.pxd":91
 *                 flags |= ZMQ_SNDMORE
 *         else:
 *             if flag_3:             # <<<<<<<<<<<<<<
 *                 flags |= ZMQ_SNDMORE
 *             # LABEL has been removed:
 */
      }
    }
    __pyx_L17:;

    /* "zmq/devices/monitoredqueue.pxd":99
 *         # assert (rc == 0)
 * 
 *         rc = zmq_msg_copy(&side_msg, &msg)             # <<<<<<<<<<<<<<
 *         if rc < 0: return rc
 *         if flags:
 */
    __pyx_v_rc = zmq_msg_copy((&__pyx_v_side_msg), (&__pyx_v_msg));

    /* "zmq/devices/monitoredqueue.pxd":100
 * 
 *         rc = zmq_msg_copy(&side_msg, &msg)
 *         if rc < 0: return rc             # <<<<<<<<<<<<<<
 *         if flags:
 *             rc = zmq_msg_send(&side_msg, outsocket_, flags)
 */
    __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
    if (__pyx_t_1) {
      __pyx_r = __pyx_v_rc;
      goto __pyx_L0;
    }

    /* "zmq/devices/monitoredqueue.pxd":101
 *         rc = zmq_msg_copy(&side_msg, &msg)
 *         if rc < 0: return rc
 *         if flags:             # <<<<<<<<<<<<<<
 *             rc = zmq_msg_send(&side_msg, outsocket_, flags)
 *             if rc < 0: return rc
 */
    __pyx_t_1 = (__pyx_v_flags != 0);
    if (__pyx_t_1) {

      /* "zmq/devices/monitoredqueue.pxd":102
 *         if rc < 0: return rc
 *         if flags:
 *             rc = zmq_msg_send(&side_msg, outsocket_, flags)             # <<<<<<<<<<<<<<
 *             if rc < 0: return rc
 *             # only SNDMORE for side-socket
 */
      __pyx_v_rc = zmq_msg_send((&__pyx_v_side_msg), __pyx_v_outsocket_, __pyx_v_flags);

      /* "zmq/devices/monitoredqueue.pxd":103
 *         if flags:
 *             rc = zmq_msg_send(&side_msg, outsocket_, flags)
 *             if rc < 0: return rc             # <<<<<<<<<<<<<<
 *             # only SNDMORE for side-socket
 *             rc = zmq_msg_send(&msg, sidesocket_, ZMQ_SNDMORE)
 */
      __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
      if (__pyx_t_1) {
        __pyx_r = __pyx_v_rc;
        goto __pyx_L0;
      }

      /* "zmq/devices/monitoredqueue.pxd":105
 *             if rc < 0: return rc
 *             # only SNDMORE for side-socket
 *             rc = zmq_msg_send(&msg, sidesocket_, ZMQ_SNDMORE)             # <<<<<<<<<<<<<<
 *             if rc < 0: return rc
 *         else:
 */
      __pyx_v_rc = zmq_msg_send((&__pyx_v_msg), __pyx_v_sidesocket_, ZMQ_SNDMORE);

      /* "zmq/devices/monitoredqueue.pxd":106
 *             # only SNDMORE for side-socket
 *             rc = zmq_msg_send(&msg, sidesocket_, ZMQ_SNDMORE)
 *             if rc < 0: return rc             # <<<<<<<<<<<<<<
 *         else:
 *             rc = zmq_msg_send(&side_msg, outsocket_, 0)
 */
      __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
      if (__pyx_t_1) {
        __pyx_r = __pyx_v_rc;
        goto __pyx_L0;
      }

      /* "zmq/devices/monitoredqueue.pxd":101
 *         rc = zmq_msg_copy(&side_msg, &msg)
 *         if rc < 0: return rc
 *         if flags:             # <<<<<<<<<<<<<<
 *             rc = zmq_msg_send(&side_msg, outsocket_, flags)
 *             if rc < 0: return rc
 */
      goto __pyx_L21;
    }

    /* "zmq/devices/monitoredqueue.pxd":108
 *             if rc < 0: return rc
 *         else:
 *             rc = zmq_msg_send(&side_msg, outsocket_, 0)             # <<<<<<<<<<<<<<
 *             if rc < 0: return rc
 *             rc = zmq_msg_send(&msg, sidesocket_, 0)
 */
    /*else*/ {
      __pyx_v_rc = zmq_msg_send((&__pyx_v_side_msg), __pyx_v_outsocket_, 0);

      /* "zmq/devices/monitoredqueue.pxd":109
 *         else:
 *             rc = zmq_msg_send(&side_msg, outsocket_, 0)
 *             if rc < 0: return rc             # <<<<<<<<<<<<<<
 *             rc = zmq_msg_send(&msg, sidesocket_, 0)
 *             if rc < 0: return rc
 */
      __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
      if (__pyx_t_1) {
        __pyx_r = __pyx_v_rc;
        goto __pyx_L0;
      }

      /* "zmq/devices/monitoredqueue.pxd":110
 *             rc = zmq_msg_send(&side_msg, outsocket_, 0)
 *             if rc < 0: return rc
 *             rc = zmq_msg_send(&msg, sidesocket_, 0)             # <<<<<<<<<<<<<<
 *             if rc < 0: return rc
 *             break
 */
      __pyx_v_rc = zmq_msg_send((&__pyx_v_msg), __pyx_v_sidesocket_, 0);

      /* "zmq/devices/monitoredqueue.pxd":111
 *             if rc < 0: return rc
 *             rc = zmq_msg_send(&msg, sidesocket_, 0)
 *             if rc < 0: return rc             # <<<<<<<<<<<<<<
 *             break
 *     return rc
 */
      __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
      if (__pyx_t_1) {
        __pyx_r = __pyx_v_rc;
        goto __pyx_L0;
      }

      /* "zmq/devices/monitoredqueue.pxd":112
 *             rc = zmq_msg_send(&msg, sidesocket_, 0)
 *             if rc < 0: return rc
 *             break             # <<<<<<<<<<<<<<
 *     return rc
 * 
 */
      goto __pyx_L14_break;
    }
    __pyx_L21:;
  }
  __pyx_L14_break:;

  /* "zmq/devices/monitoredqueue.pxd":113
 *             if rc < 0: return rc
 *             break
 *     return rc             # <<<<<<<<<<<<<<
 * 
 * # the MonitoredQueue C function, adapted from zmq::queue.cpp :
 */
  __pyx_r = __pyx_v_rc;
  goto __pyx_L0;

  /* "zmq/devices/monitoredqueue.pxd":39
 * #-----------------------------------------------------------------------------
 * 
 * cdef inline int _relay(void *insocket_, void *outsocket_, void *sidesocket_,             # <<<<<<<<<<<<<<
 *                 zmq_msg_t msg, zmq_msg_t side_msg, zmq_msg_t id_msg,
 *                 bint swap_ids) nogil:
 */

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

/* "zmq/devices/monitoredqueue.pxd":116
 * 
 * # the MonitoredQueue C function, adapted from zmq::queue.cpp :
 * cdef inline int c_monitored_queue (void *insocket_, void *outsocket_,             # <<<<<<<<<<<<<<
 *                         void *sidesocket_, zmq_msg_t *in_msg_ptr,
 *                         zmq_msg_t *out_msg_ptr, int swap_ids) nogil:
 */

static CYTHON_INLINE int __pyx_f_3zmq_7devices_14monitoredqueue_c_monitored_queue(void *__pyx_v_insocket_, void *__pyx_v_outsocket_, void *__pyx_v_sidesocket_, zmq_msg_t *__pyx_v_in_msg_ptr, zmq_msg_t *__pyx_v_out_msg_ptr, int __pyx_v_swap_ids) {
  zmq_msg_t __pyx_v_msg;
  int __pyx_v_rc;
  zmq_msg_t __pyx_v_id_msg;
  zmq_msg_t __pyx_v_side_msg;
  zmq_pollitem_t __pyx_v_items[2];
  int __pyx_r;
  int __pyx_t_1;

  /* "zmq/devices/monitoredqueue.pxd":125
 * 
 *     cdef zmq_msg_t msg
 *     cdef int rc = zmq_msg_init (&msg)             # <<<<<<<<<<<<<<
 *     cdef zmq_msg_t id_msg
 *     rc = zmq_msg_init (&id_msg)
 */
  __pyx_v_rc = zmq_msg_init((&__pyx_v_msg));

  /* "zmq/devices/monitoredqueue.pxd":127
 *     cdef int rc = zmq_msg_init (&msg)
 *     cdef zmq_msg_t id_msg
 *     rc = zmq_msg_init (&id_msg)             # <<<<<<<<<<<<<<
 *     if rc < 0: return rc
 *     cdef zmq_msg_t side_msg
 */
  __pyx_v_rc = zmq_msg_init((&__pyx_v_id_msg));

  /* "zmq/devices/monitoredqueue.pxd":128
 *     cdef zmq_msg_t id_msg
 *     rc = zmq_msg_init (&id_msg)
 *     if rc < 0: return rc             # <<<<<<<<<<<<<<
 *     cdef zmq_msg_t side_msg
 *     rc = zmq_msg_init (&side_msg)
 */
  __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
  if (__pyx_t_1) {
    __pyx_r = __pyx_v_rc;
    goto __pyx_L0;
  }

  /* "zmq/devices/monitoredqueue.pxd":130
 *     if rc < 0: return rc
 *     cdef zmq_msg_t side_msg
 *     rc = zmq_msg_init (&side_msg)             # <<<<<<<<<<<<<<
 *     if rc < 0: return rc
 * 
 */
  __pyx_v_rc = zmq_msg_init((&__pyx_v_side_msg));

  /* "zmq/devices/monitoredqueue.pxd":131
 *     cdef zmq_msg_t side_msg
 *     rc = zmq_msg_init (&side_msg)
 *     if rc < 0: return rc             # <<<<<<<<<<<<<<
 * 
 *     cdef zmq_pollitem_t items [2]
 */
  __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
  if (__pyx_t_1) {
    __pyx_r = __pyx_v_rc;
    goto __pyx_L0;
  }

  /* "zmq/devices/monitoredqueue.pxd":134
 * 
 *     cdef zmq_pollitem_t items [2]
 *     items [0].socket = insocket_             # <<<<<<<<<<<<<<
 *     items [0].fd = 0
 *     items [0].events = ZMQ_POLLIN
 */
  (__pyx_v_items[0]).socket = __pyx_v_insocket_;

  /* "zmq/devices/monitoredqueue.pxd":135
 *     cdef zmq_pollitem_t items [2]
 *     items [0].socket = insocket_
 *     items [0].fd = 0             # <<<<<<<<<<<<<<
 *     items [0].events = ZMQ_POLLIN
 *     items [0].revents = 0
 */
  (__pyx_v_items[0]).fd = 0;

  /* "zmq/devices/monitoredqueue.pxd":136
 *     items [0].socket = insocket_
 *     items [0].fd = 0
 *     items [0].events = ZMQ_POLLIN             # <<<<<<<<<<<<<<
 *     items [0].revents = 0
 *     items [1].socket = outsocket_
 */
  (__pyx_v_items[0]).events = ZMQ_POLLIN;

  /* "zmq/devices/monitoredqueue.pxd":137
 *     items [0].fd = 0
 *     items [0].events = ZMQ_POLLIN
 *     items [0].revents = 0             # <<<<<<<<<<<<<<
 *     items [1].socket = outsocket_
 *     items [1].fd = 0
 */
  (__pyx_v_items[0]).revents = 0;

  /* "zmq/devices/monitoredqueue.pxd":138
 *     items [0].events = ZMQ_POLLIN
 *     items [0].revents = 0
 *     items [1].socket = outsocket_             # <<<<<<<<<<<<<<
 *     items [1].fd = 0
 *     items [1].events = ZMQ_POLLIN
 */
  (__pyx_v_items[1]).socket = __pyx_v_outsocket_;

  /* "zmq/devices/monitoredqueue.pxd":139
 *     items [0].revents = 0
 *     items [1].socket = outsocket_
 *     items [1].fd = 0             # <<<<<<<<<<<<<<
 *     items [1].events = ZMQ_POLLIN
 *     items [1].revents = 0
 */
  (__pyx_v_items[1]).fd = 0;

  /* "zmq/devices/monitoredqueue.pxd":140
 *     items [1].socket = outsocket_
 *     items [1].fd = 0
 *     items [1].events = ZMQ_POLLIN             # <<<<<<<<<<<<<<
 *     items [1].revents = 0
 *     # I don't think sidesocket should be polled?
 */
  (__pyx_v_items[1]).events = ZMQ_POLLIN;

  /* "zmq/devices/monitoredqueue.pxd":141
 *     items [1].fd = 0
 *     items [1].events = ZMQ_POLLIN
 *     items [1].revents = 0             # <<<<<<<<<<<<<<
 *     # I don't think sidesocket should be polled?
 *     # items [2].socket = sidesocket_
 */
  (__pyx_v_items[1]).revents = 0;

  /* "zmq/devices/monitoredqueue.pxd":148
 *     # items [2].revents = 0
 * 
 *     while (True):             # <<<<<<<<<<<<<<
 * 
 *         # //  Wait while there are either requests or replies to process.
 */
  while (1) {

    /* "zmq/devices/monitoredqueue.pxd":151
 * 
 *         # //  Wait while there are either requests or replies to process.
 *         rc = zmq_poll (&items [0], 2, -1)             # <<<<<<<<<<<<<<
 *         if rc < 0: return rc
 *         # //  The algorithm below asumes ratio of request and replies processed
 */
    __pyx_v_rc = zmq_poll((&(__pyx_v_items[0])), 2, -1L);

    /* "zmq/devices/monitoredqueue.pxd":152
 *         # //  Wait while there are either requests or replies to process.
 *         rc = zmq_poll (&items [0], 2, -1)
 *         if rc < 0: return rc             # <<<<<<<<<<<<<<
 *         # //  The algorithm below asumes ratio of request and replies processed
 *         # //  under full load to be 1:1. Although processing requests replies
 */
    __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
    if (__pyx_t_1) {
      __pyx_r = __pyx_v_rc;
      goto __pyx_L0;
    }

    /* "zmq/devices/monitoredqueue.pxd":159
 *         #
 *         # //  Process a request.
 *         if (items [0].revents & ZMQ_POLLIN):             # <<<<<<<<<<<<<<
 *             # send in_prefix to side socket
 *             rc = zmq_msg_copy(&side_msg, in_msg_ptr)
 */
    __pyx_t_1 = (((__pyx_v_items[0]).revents & ZMQ_POLLIN) != 0);
    if (__pyx_t_1) {

      /* "zmq/devices/monitoredqueue.pxd":161
 *         if (items [0].revents & ZMQ_POLLIN):
 *             # send in_prefix to side socket
 *             rc = zmq_msg_copy(&side_msg, in_msg_ptr)             # <<<<<<<<<<<<<<
 *             if rc < 0: return rc
 *             rc = zmq_msg_send(&side_msg, sidesocket_, ZMQ_SNDMORE)
 */
      __pyx_v_rc = zmq_msg_copy((&__pyx_v_side_msg), __pyx_v_in_msg_ptr);

      /* "zmq/devices/monitoredqueue.pxd":162
 *             # send in_prefix to side socket
 *             rc = zmq_msg_copy(&side_msg, in_msg_ptr)
 *             if rc < 0: return rc             # <<<<<<<<<<<<<<
 *             rc = zmq_msg_send(&side_msg, sidesocket_, ZMQ_SNDMORE)
 *             if rc < 0: return rc
 */
      __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
      if (__pyx_t_1) {
        __pyx_r = __pyx_v_rc;
        goto __pyx_L0;
      }

      /* "zmq/devices/monitoredqueue.pxd":163
 *             rc = zmq_msg_copy(&side_msg, in_msg_ptr)
 *             if rc < 0: return rc
 *             rc = zmq_msg_send(&side_msg, sidesocket_, ZMQ_SNDMORE)             # <<<<<<<<<<<<<<
 *             if rc < 0: return rc
 *             # relay the rest of the message
 */
      __pyx_v_rc = zmq_msg_send((&__pyx_v_side_msg), __pyx_v_sidesocket_, ZMQ_SNDMORE);

      /* "zmq/devices/monitoredqueue.pxd":164
 *             if rc < 0: return rc
 *             rc = zmq_msg_send(&side_msg, sidesocket_, ZMQ_SNDMORE)
 *             if rc < 0: return rc             # <<<<<<<<<<<<<<
 *             # relay the rest of the message
 *             rc = _relay(insocket_, outsocket_, sidesocket_, msg, side_msg, id_msg, swap_ids)
 */
      __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
      if (__pyx_t_1) {
        __pyx_r = __pyx_v_rc;
        goto __pyx_L0;
      }

      /* "zmq/devices/monitoredqueue.pxd":166
 *             if rc < 0: return rc
 *             # relay the rest of the message
 *             rc = _relay(insocket_, outsocket_, sidesocket_, msg, side_msg, id_msg, swap_ids)             # <<<<<<<<<<<<<<
 *             if rc < 0: return rc
 *         if (items [1].revents & ZMQ_POLLIN):
 */
      __pyx_v_rc = __pyx_f_3zmq_7devices_14monitoredqueue__relay(__pyx_v_insocket_, __pyx_v_outsocket_, __pyx_v_sidesocket_, __pyx_v_msg, __pyx_v_side_msg, __pyx_v_id_msg, __pyx_v_swap_ids);

      /* "zmq/devices/monitoredqueue.pxd":167
 *             # relay the rest of the message
 *             rc = _relay(insocket_, outsocket_, sidesocket_, msg, side_msg, id_msg, swap_ids)
 *             if rc < 0: return rc             # <<<<<<<<<<<<<<
 *         if (items [1].revents & ZMQ_POLLIN):
 *             # send out_prefix to side socket
 */
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      if (__pyx_t_1) {
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        goto __pyx_L0;
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      /* "zmq/devices/monitoredqueue.pxd":159
 *         #
 *         # //  Process a request.
 *         if (items [0].revents & ZMQ_POLLIN):             # <<<<<<<<<<<<<<
 *             # send in_prefix to side socket
 *             rc = zmq_msg_copy(&side_msg, in_msg_ptr)
 */
    }

    /* "zmq/devices/monitoredqueue.pxd":168
 *             rc = _relay(insocket_, outsocket_, sidesocket_, msg, side_msg, id_msg, swap_ids)
 *             if rc < 0: return rc
 *         if (items [1].revents & ZMQ_POLLIN):             # <<<<<<<<<<<<<<
 *             # send out_prefix to side socket
 *             rc = zmq_msg_copy(&side_msg, out_msg_ptr)
 */
    __pyx_t_1 = (((__pyx_v_items[1]).revents & ZMQ_POLLIN) != 0);
    if (__pyx_t_1) {

      /* "zmq/devices/monitoredqueue.pxd":170
 *         if (items [1].revents & ZMQ_POLLIN):
 *             # send out_prefix to side socket
 *             rc = zmq_msg_copy(&side_msg, out_msg_ptr)             # <<<<<<<<<<<<<<
 *             if rc < 0: return rc
 *             rc = zmq_msg_send(&side_msg, sidesocket_, ZMQ_SNDMORE)
 */
      __pyx_v_rc = zmq_msg_copy((&__pyx_v_side_msg), __pyx_v_out_msg_ptr);

      /* "zmq/devices/monitoredqueue.pxd":171
 *             # send out_prefix to side socket
 *             rc = zmq_msg_copy(&side_msg, out_msg_ptr)
 *             if rc < 0: return rc             # <<<<<<<<<<<<<<
 *             rc = zmq_msg_send(&side_msg, sidesocket_, ZMQ_SNDMORE)
 *             if rc < 0: return rc
 */
      __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
      if (__pyx_t_1) {
        __pyx_r = __pyx_v_rc;
        goto __pyx_L0;
      }

      /* "zmq/devices/monitoredqueue.pxd":172
 *             rc = zmq_msg_copy(&side_msg, out_msg_ptr)
 *             if rc < 0: return rc
 *             rc = zmq_msg_send(&side_msg, sidesocket_, ZMQ_SNDMORE)             # <<<<<<<<<<<<<<
 *             if rc < 0: return rc
 *             # relay the rest of the message
 */
      __pyx_v_rc = zmq_msg_send((&__pyx_v_side_msg), __pyx_v_sidesocket_, ZMQ_SNDMORE);

      /* "zmq/devices/monitoredqueue.pxd":173
 *             if rc < 0: return rc
 *             rc = zmq_msg_send(&side_msg, sidesocket_, ZMQ_SNDMORE)
 *             if rc < 0: return rc             # <<<<<<<<<<<<<<
 *             # relay the rest of the message
 *             rc = _relay(outsocket_, insocket_, sidesocket_, msg, side_msg, id_msg, swap_ids)
 */
      __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
      if (__pyx_t_1) {
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        goto __pyx_L0;
      }

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 *             if rc < 0: return rc
 *             # relay the rest of the message
 *             rc = _relay(outsocket_, insocket_, sidesocket_, msg, side_msg, id_msg, swap_ids)             # <<<<<<<<<<<<<<
 *             if rc < 0: return rc
 *     return rc
 */
      __pyx_v_rc = __pyx_f_3zmq_7devices_14monitoredqueue__relay(__pyx_v_outsocket_, __pyx_v_insocket_, __pyx_v_sidesocket_, __pyx_v_msg, __pyx_v_side_msg, __pyx_v_id_msg, __pyx_v_swap_ids);

      /* "zmq/devices/monitoredqueue.pxd":176
 *             # relay the rest of the message
 *             rc = _relay(outsocket_, insocket_, sidesocket_, msg, side_msg, id_msg, swap_ids)
 *             if rc < 0: return rc             # <<<<<<<<<<<<<<
 *     return rc
 */
      __pyx_t_1 = ((__pyx_v_rc < 0) != 0);
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      /* "zmq/devices/monitoredqueue.pxd":168
 *             rc = _relay(insocket_, outsocket_, sidesocket_, msg, side_msg, id_msg, swap_ids)
 *             if rc < 0: return rc
 *         if (items [1].revents & ZMQ_POLLIN):             # <<<<<<<<<<<<<<
 *             # send out_prefix to side socket
 *             rc = zmq_msg_copy(&side_msg, out_msg_ptr)
 */
    }
  }

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 *             rc = _relay(outsocket_, insocket_, sidesocket_, msg, side_msg, id_msg, swap_ids)
 *             if rc < 0: return rc
 *     return rc             # <<<<<<<<<<<<<<
 */
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  /* "zmq/devices/monitoredqueue.pxd":116
 * 
 * # the MonitoredQueue C function, adapted from zmq::queue.cpp :
 * cdef inline int c_monitored_queue (void *insocket_, void *outsocket_,             # <<<<<<<<<<<<<<
 *                         void *sidesocket_, zmq_msg_t *in_msg_ptr,
 *                         zmq_msg_t *out_msg_ptr, int swap_ids) nogil:
 */

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  __pyx_L0:;
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        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);
}

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
}

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

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

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;
}

static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
    PyObject *result;
#if CYTHON_COMPILING_IN_CPYTHON
    result = PyDict_GetItem(__pyx_d, name);
    if (likely(result)) {
        Py_INCREF(result);
    } else {
#else
    result = PyObject_GetItem(__pyx_d, name);
    if (!result) {
        PyErr_Clear();
#endif
        result = __Pyx_GetBuiltinName(name);
    }
    return result;
}

static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
#if CYTHON_COMPILING_IN_CPYTHON
    PyThreadState *tstate = PyThreadState_GET();
    *type = tstate->exc_type;
    *value = tstate->exc_value;
    *tb = tstate->exc_traceback;
    Py_XINCREF(*type);
    Py_XINCREF(*value);
    Py_XINCREF(*tb);
#else
    PyErr_GetExcInfo(type, value, tb);
#endif
}
static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
#if CYTHON_COMPILING_IN_CPYTHON
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    PyThreadState *tstate = PyThreadState_GET();
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = type;
    tstate->exc_value = value;
    tstate->exc_traceback = tb;
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
#else
    PyErr_SetExcInfo(type, value, tb);
#endif
}

static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
    PyObject *local_type, *local_value, *local_tb;
#if CYTHON_COMPILING_IN_CPYTHON
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    PyThreadState *tstate = PyThreadState_GET();
    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_COMPILING_IN_CPYTHON
    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_COMPILING_IN_CPYTHON
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = local_type;
    tstate->exc_value = local_value;
    tstate->exc_traceback = local_tb;
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
#else
    PyErr_SetExcInfo(local_type, local_value, local_tb);
#endif
    return 0;
bad:
    *type = 0;
    *value = 0;
    *tb = 0;
    Py_XDECREF(local_type);
    Py_XDECREF(local_value);
    Py_XDECREF(local_tb);
    return -1;
}

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

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;
}

#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

#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

#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) {
#ifdef __Pyx_CyFunction_USED
    if (likely(PyCFunction_Check(func) || PyObject_TypeCheck(func, __pyx_CyFunctionType))) {
#else
    if (likely(PyCFunction_Check(func))) {
#endif
        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
            return __Pyx_PyObject_CallMethO(func, arg);
        }
    }
    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

static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
#if CYTHON_COMPILING_IN_CPYTHON
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    PyThreadState *tstate = PyThreadState_GET();
    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);
#else
    PyErr_Restore(type, value, tb);
#endif
}
static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
#if CYTHON_COMPILING_IN_CPYTHON
    PyThreadState *tstate = PyThreadState_GET();
    *type = tstate->curexc_type;
    *value = tstate->curexc_value;
    *tb = tstate->curexc_traceback;
    tstate->curexc_type = 0;
    tstate->curexc_value = 0;
    tstate->curexc_traceback = 0;
#else
    PyErr_Fetch(type, value, tb);
#endif
}

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

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

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);
}

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

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

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

#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;\
    }

#if CYTHON_USE_PYLONG_INTERNALS
  #include "longintrepr.h"
#endif

static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
    const long neg_one = (long) -1, const_zero = (long) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(long) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (long) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (long) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(long) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
            } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
            }
        } 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) 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))
            } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
            }
        }
        {
#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_Int(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_Int(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;
}

static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
    const int neg_one = (int) -1, const_zero = (int) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(int) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (int) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (int) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(int) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
            } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
            }
        } 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) 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))
            } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
            }
        }
        {
#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_Int(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_Int(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;
}

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;
}

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

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

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

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


#endif /* Py_PYTHON_H */
