cParser.c

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static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject *);

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/* Module declarations from libc.stdint */

/* Module declarations from MACS2.IO.cParser */

#define __Pyx_MODULE_NAME "MACS2.IO.cParser"
static int __pyx_module_is_main_MACS2__IO__cParser = 0;

/* Implementation of MACS2.IO.cParser */
static PyObject *__pyx_builtin_Exception;
static PyObject *__pyx_builtin_IOError;
static PyObject *__pyx_builtin_IndexError;
static PyObject *__pyx_builtin_ValueError;
static PyObject *__pyx_builtin_sum;
static PyObject *__pyx_builtin_map;
static PyObject *__pyx_builtin_range;
static char __pyx_k_2[] = "Detected format is: %s";
static char __pyx_k_3[] = "* Input file is gzipped.";
static char __pyx_k_5[] = "Can't detect format!";
static char __pyx_k_7[] = "Strand information can not be recognized in this line: \"%s\",\"%s\"";
static char __pyx_k_10[] = " %d";
static char __pyx_k_11[] = "";
static char __pyx_k_15[] = "#";
static char __pyx_k_16[] = "\t";
static char __pyx_k_20[] = "+";
static char __pyx_k_21[] = "-";
static char __pyx_k_26[] = ".fa";
static char __pyx_k_34[] = ":";
static char __pyx_k_43[] = "@";
static char __pyx_k_56[] = "File is not of a valid BAM format! %d";
static char __pyx_k_59[] = "<i";
static char __pyx_k_71[] = "<hh";
static char __pyx_k_81[] = "Something went wrong (average fragment size was negative)";
static char __pyx_k_94[] = "Module for all MACS Parser classes for input.\n\nCopyright (c) 2010,2011 Tao Liu <taoliu@jimmy.harvard.edu>\n\nThis code is free software; you can redistribute it and/or modify it\nunder the terms of the Artistic License (see the file COPYING included\nwith the distribution).\n\n@status:  experimental\n@version: $Revision$\n@author:  Tao Liu\n@contact: taoliu@jimmy.harvard.edu\n";
static char __pyx_k_95[] = "MACS2.Constants";
static char __pyx_k_96[] = "*";
static char __pyx_k_97[] = "MACS2.IO.cFixWidthTrack";
static char __pyx_k_98[] = "Parser $Revision$";
static char __pyx_k_99[] = "Tao Liu <taoliu@jimmy.harvard.edu>";
static char __pyx_k__F[] = "F";
static char __pyx_k__R[] = "R";
static char __pyx_k__d[] = "d";
static char __pyx_k_100[] = "All Parser classes";
static char __pyx_k_101[] = "MACS2.IO.cParser";
static char __pyx_k_102[] = "Exception about strand format error.\n\n    Example:\n    raise StrandFormatError('Must be F or R','X')\n    ";
static char __pyx_k_103[] = "Generic Parser class.\n\n    Inherit this class to write your own parser. In most cases, you need to override:\n\n    1. __tlen_parse_line which returns tag length of a line\n    2.  __fw_parse_line which returns tuple of ( chromosome, 5'position, strand )\n    ";
static char __pyx_k_104[] = "File Parser Class for tabular File.\n\n    ";
static char __pyx_k_105[] = "File Parser Class for ELAND multi File.\n\n    Note this parser can only work for s_N_eland_multi.txt format.\n\n    Each line of the output file contains the following fields: \n    1. Sequence name \n    2. Sequence \n    3. Either NM, QC, RM (as described above) or the following: \n    4. x:y:z where x, y, and z are the number of exact, single-error, and 2-error matches \n    found \n    5. Blank, if no matches found or if too many matches found, or the following: \n    BAC_plus_vector.fa:163022R1,170128F2,E_coli.fa:3909847R1 \n    This says there are two matches to BAC_plus_vector.fa: one in the reverse direction \n    starting at position 160322 with one error, one in the forward direction starting at \n    position 170128 with two errors. There is also a single-error match to E_coli.fa.\n    ";
static char __pyx_k_106[] = "File Parser Class for ELAND Export File.\n\n    ";
static char __pyx_k_107[] = "File Parser Class for SAM File.\n\n    Each line of the output file contains at least: \n    1. Sequence name \n    2. Bitwise flag\n    3. Reference name\n    4. 1-based leftmost position fo clipped alignment\n    5. Mapping quality\n    6. CIGAR string\n    7. Mate Reference Name\n    8. 1-based leftmost Mate Position\n    9. Inferred insert size\n    10. Query sequence on the same strand as the reference\n    11. Query quality\n    \n    The bitwise flag is made like this:\n    dec\tmeaning\n    ---\t-------\n    1\tpaired read\n    2\tproper pair\n    4\tquery unmapped\n    8\tmate unmapped\n    16\tstrand of the query (1 -> reverse)\n    32\tstrand of the mate\n    64\tfirst read in pair\n    128\tsecond read in pair\n    256\talignment is not primary\n    512\tdoes not pass quality check\n    1024\tPCR or optical duplicate\n    ";
static char __pyx_k_108[] = "File Parser Class for BAM File.\n\n    File is gzip-compatible and binary.\n    Information available is the same that is in SAM format.\n    \n    The bitwise flag is made like this:\n    dec\tmeaning\n    ---\t-------\n    1\tpaired read\n    2\tproper pair\n    4\tquery unmapped\n    8\tmate unmapped\n    16\tstrand of the query (1 -> reverse)\n    32\tstrand of the mate\n    64\tfirst read in pair\n    128\tsecond read in pair\n    256\talignment is not primary\n    512\tdoes not pass quality check\n    1024\tPCR or optical duplicate\n    ";
static char __pyx_k_109[] = "File Parser Class for BAM File containing paired-end reads\n    Only counts valid pairs, discards everything else\n    Uses the midpoint of every read and calculates the average fragment size\n    on the fly instead of modeling it\n\n    File is gzip-compatible and binary.\n    Information available is the same that is in SAM format.\n    \n    The bitwise flag is made like this:\n    dec    meaning\n    ---    -------\n    1    paired read\n    2    proper pair\n    4    query unmapped\n    8    mate unmapped\n    16    strand of the query (1 -> reverse)\n    32    strand of the mate\n    64    first read in pair\n    128    second read in pair\n    256    alignment is not primary\n    512    does not pass quality check\n    1024    PCR or optical duplicate\n    ";
static char __pyx_k_110[] = "File Parser Class for map files from Bowtie or MAQ's maqview\n    program.\n\n    ";
static char __pyx_k__U0[] = "U0";
static char __pyx_k__U1[] = "U1";
static char __pyx_k__U2[] = "U2";
static char __pyx_k__io[] = "io";
static char __pyx_k__rb[] = "rb";
static char __pyx_k__BAM[] = "BAM";
static char __pyx_k__BED[] = "BED";
static char __pyx_k__SAM[] = "SAM";
static char __pyx_k__fhd[] = "fhd";
static char __pyx_k__map[] = "map";
static char __pyx_k__sum[] = "sum";
static char __pyx_k__data[] = "data";
static char __pyx_k__gzip[] = "gzip";
static char __pyx_k__info[] = "info";
static char __pyx_k__join[] = "join";
static char __pyx_k__mode[] = "mode";
static char __pyx_k__open[] = "open";
static char __pyx_k__read[] = "read";
static char __pyx_k__seek[] = "seek";
static char __pyx_k__self[] = "self";
static char __pyx_k__tell[] = "tell";
static char __pyx_k__BAMPE[] = "BAMPE";
static char __pyx_k__ELAND[] = "ELAND";
static char __pyx_k__close[] = "close";
static char __pyx_k__error[] = "error";
static char __pyx_k__range[] = "range";
static char __pyx_k__sniff[] = "sniff";
static char __pyx_k__split[] = "split";
static char __pyx_k__track[] = "track";
static char __pyx_k__tsize[] = "tsize";
static char __pyx_k__BOWTIE[] = "BOWTIE";
static char __pyx_k__append[] = "append";
static char __pyx_k__rindex[] = "rindex";
static char __pyx_k__rstrip[] = "rstrip";
static char __pyx_k__strand[] = "strand";
static char __pyx_k__string[] = "string";
static char __pyx_k__struct[] = "struct";
static char __pyx_k__unpack[] = "unpack";
static char __pyx_k__IOError[] = "IOError";
static char __pyx_k____doc__[] = "__doc__";
static char __pyx_k____str__[] = "__str__";
static char __pyx_k__add_loc[] = "add_loc";
static char __pyx_k__browser[] = "browser";
static char __pyx_k__fwtrack[] = "fwtrack";
static char __pyx_k__gzipped[] = "gzipped";
static char __pyx_k__logging[] = "logging";
static char __pyx_k____init__[] = "__init__";
static char __pyx_k____main__[] = "__main__";
static char __pyx_k____test__[] = "__test__";
static char __pyx_k__filename[] = "filename";
static char __pyx_k__finalize[] = "finalize";
static char __pyx_k__readline[] = "readline";
static char __pyx_k__tag_size[] = "tag_size";
static char __pyx_k__thisline[] = "thisline";
static char __pyx_k__BAMParser[] = "BAMParser";
static char __pyx_k__BEDParser[] = "BEDParser";
static char __pyx_k__Exception[] = "Exception";
static char __pyx_k__SAMParser[] = "SAMParser";
static char __pyx_k__ELANDMULTI[] = "ELANDMULTI";
static char __pyx_k__FWTrackIII[] = "FWTrackIII";
static char __pyx_k__IndexError[] = "IndexError";
static char __pyx_k__ValueError[] = "ValueError";
static char __pyx_k____author__[] = "__author__";
static char __pyx_k__BAMPEParser[] = "BAMPEParser";
static char __pyx_k__ELANDEXPORT[] = "ELANDEXPORT";
static char __pyx_k____version__[] = "__version__";
static char __pyx_k__BowtieParser[] = "BowtieParser";
static char __pyx_k__guess_parser[] = "guess_parser";
static char __pyx_k__GenericParser[] = "GenericParser";
static char __pyx_k__build_fwtrack[] = "build_fwtrack";
static char __pyx_k__BufferedReader[] = "BufferedReader";
static char __pyx_k____build_fwtrack[] = "__build_fwtrack";
static char __pyx_k____fw_parse_line[] = "__fw_parse_line";
static char __pyx_k__ELANDMultiParser[] = "ELANDMultiParser";
static char __pyx_k__ELANDExportParser[] = "ELANDExportParser";
static char __pyx_k__ELANDResultParser[] = "ELANDResultParser";
static char __pyx_k__StrandFormatError[] = "StrandFormatError";
static char __pyx_k____fw_binary_parse[] = "__fw_binary_parse";
static char __pyx_k____tlen_parse_line[] = "__tlen_parse_line";
static PyObject *__pyx_kp_s_10;
static PyObject *__pyx_kp_s_100;
static PyObject *__pyx_n_s_101;
static PyObject *__pyx_kp_s_102;
static PyObject *__pyx_kp_s_103;
static PyObject *__pyx_kp_s_104;
static PyObject *__pyx_kp_s_105;
static PyObject *__pyx_kp_s_106;
static PyObject *__pyx_kp_s_107;
static PyObject *__pyx_kp_s_108;
static PyObject *__pyx_kp_s_109;
static PyObject *__pyx_kp_s_11;
static PyObject *__pyx_kp_s_110;
static PyObject *__pyx_kp_s_15;
static PyObject *__pyx_kp_s_16;
static PyObject *__pyx_kp_s_2;
static PyObject *__pyx_kp_s_20;
static PyObject *__pyx_kp_s_21;
static PyObject *__pyx_kp_s_26;
static PyObject *__pyx_kp_s_3;
static PyObject *__pyx_kp_s_34;
static PyObject *__pyx_kp_s_43;
static PyObject *__pyx_kp_s_5;
static PyObject *__pyx_kp_s_56;
static PyObject *__pyx_kp_s_59;
static PyObject *__pyx_kp_s_7;
static PyObject *__pyx_kp_s_71;
static PyObject *__pyx_kp_s_81;
static PyObject *__pyx_n_s_95;
static PyObject *__pyx_n_s_96;
static PyObject *__pyx_n_s_97;
static PyObject *__pyx_kp_s_98;
static PyObject *__pyx_kp_s_99;
static PyObject *__pyx_n_s__BAM;
static PyObject *__pyx_n_s__BAMPE;
static PyObject *__pyx_n_s__BAMPEParser;
static PyObject *__pyx_n_s__BAMParser;
static PyObject *__pyx_n_s__BED;
static PyObject *__pyx_n_s__BEDParser;
static PyObject *__pyx_n_s__BOWTIE;
static PyObject *__pyx_n_s__BowtieParser;
static PyObject *__pyx_n_s__BufferedReader;
static PyObject *__pyx_n_s__ELAND;
static PyObject *__pyx_n_s__ELANDEXPORT;
static PyObject *__pyx_n_s__ELANDExportParser;
static PyObject *__pyx_n_s__ELANDMULTI;
static PyObject *__pyx_n_s__ELANDMultiParser;
static PyObject *__pyx_n_s__ELANDResultParser;
static PyObject *__pyx_n_s__Exception;
static PyObject *__pyx_n_s__F;
static PyObject *__pyx_n_s__FWTrackIII;
static PyObject *__pyx_n_s__GenericParser;
static PyObject *__pyx_n_s__IOError;
static PyObject *__pyx_n_s__IndexError;
static PyObject *__pyx_n_s__R;
static PyObject *__pyx_n_s__SAM;
static PyObject *__pyx_n_s__SAMParser;
static PyObject *__pyx_n_s__StrandFormatError;
static PyObject *__pyx_n_s__U0;
static PyObject *__pyx_n_s__U1;
static PyObject *__pyx_n_s__U2;
static PyObject *__pyx_n_s__ValueError;
static PyObject *__pyx_n_s____author__;
static PyObject *__pyx_n_s____build_fwtrack;
static PyObject *__pyx_n_s____doc__;
static PyObject *__pyx_n_s____fw_binary_parse;
static PyObject *__pyx_n_s____fw_parse_line;
static PyObject *__pyx_n_s____init__;
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static PyObject *__pyx_n_s____version__;
static PyObject *__pyx_n_s__add_loc;
static PyObject *__pyx_n_s__append;
static PyObject *__pyx_n_s__browser;
static PyObject *__pyx_n_s__build_fwtrack;
static PyObject *__pyx_n_s__close;
static PyObject *__pyx_n_s__d;
static PyObject *__pyx_n_s__data;
static PyObject *__pyx_n_s__error;
static PyObject *__pyx_n_s__fhd;
static PyObject *__pyx_n_s__filename;
static PyObject *__pyx_n_s__finalize;
static PyObject *__pyx_n_s__fwtrack;
static PyObject *__pyx_n_s__guess_parser;
static PyObject *__pyx_n_s__gzip;
static PyObject *__pyx_n_s__gzipped;
static PyObject *__pyx_n_s__info;
static PyObject *__pyx_n_s__io;
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static PyObject *__pyx_n_s__logging;
static PyObject *__pyx_n_s__map;
static PyObject *__pyx_n_s__mode;
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static PyObject *__pyx_n_s__read;
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static PyObject *__pyx_n_s__seek;
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static PyObject *__pyx_n_s__string;
static PyObject *__pyx_n_s__struct;
static PyObject *__pyx_n_s__sum;
static PyObject *__pyx_n_s__tag_size;
static PyObject *__pyx_n_s__tell;
static PyObject *__pyx_n_s__thisline;
static PyObject *__pyx_n_s__track;
static PyObject *__pyx_n_s__tsize;
static PyObject *__pyx_n_s__unpack;
static PyObject *__pyx_int_0;
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/* "MACS2/IO/cParser.pyx":52
 * # ------------------------------------
 * 
 * def guess_parser ( fhd ):             # <<<<<<<<<<<<<<
 *     parser_dict = {"BED":BEDParser,
 *                    "ELAND":ELANDResultParser,
 */

static PyObject *__pyx_pf_5MACS2_2IO_7cParser_guess_parser(PyObject *__pyx_self, PyObject *__pyx_v_fhd); /*proto*/
static PyMethodDef __pyx_mdef_5MACS2_2IO_7cParser_guess_parser = {__Pyx_NAMESTR("guess_parser"), (PyCFunction)__pyx_pf_5MACS2_2IO_7cParser_guess_parser, METH_O, __Pyx_DOCSTR(0)};
static PyObject *__pyx_pf_5MACS2_2IO_7cParser_guess_parser(PyObject *__pyx_self, PyObject *__pyx_v_fhd) {
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  __Pyx_TraceDeclarations
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  /* "MACS2/IO/cParser.pyx":53
 * 
 * def guess_parser ( fhd ):
 *     parser_dict = {"BED":BEDParser,             # <<<<<<<<<<<<<<
 *                    "ELAND":ELANDResultParser,
 *                    "ELANDMULTI":ELANDMultiParser,
 */
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}

static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
    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);
}

static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
    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;
}


#if PY_MAJOR_VERSION < 3
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb) {
    Py_XINCREF(type);
    Py_XINCREF(value);
    Py_XINCREF(tb);
    /* First, check the traceback argument, replacing None with NULL. */
    if (tb == Py_None) {
        Py_DECREF(tb);
        tb = 0;
    }
    else if (tb != NULL && !PyTraceBack_Check(tb)) {
        PyErr_SetString(PyExc_TypeError,
            "raise: arg 3 must be a traceback or None");
        goto raise_error;
    }
    /* Next, replace a missing value with None */
    if (value == NULL) {
        value = Py_None;
        Py_INCREF(value);
    }
    #if PY_VERSION_HEX < 0x02050000
    if (!PyClass_Check(type))
    #else
    if (!PyType_Check(type))
    #endif
    {
        /* Raising an instance.  The value should be a dummy. */
        if (value != Py_None) {
            PyErr_SetString(PyExc_TypeError,
                "instance exception may not have a separate value");
            goto raise_error;
        }
        /* Normalize to raise <class>, <instance> */
        Py_DECREF(value);
        value = type;
        #if PY_VERSION_HEX < 0x02050000
            if (PyInstance_Check(type)) {
                type = (PyObject*) ((PyInstanceObject*)type)->in_class;
                Py_INCREF(type);
            }
            else {
                type = 0;
                PyErr_SetString(PyExc_TypeError,
                    "raise: exception must be an old-style class or instance");
                goto raise_error;
            }
        #else
            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;
            }
        #endif
    }

    __Pyx_ErrRestore(type, value, tb);
    return;
raise_error:
    Py_XDECREF(value);
    Py_XDECREF(type);
    Py_XDECREF(tb);
    return;
}

#else /* Python 3+ */

static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb) {
    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)) {
        PyErr_SetString(PyExc_TypeError,
            "raise: exception class must be a subclass of BaseException");
        goto bad;
    }

    PyErr_SetObject(type, value);

    if (tb) {
        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);
        }
    }

bad:
    return;
}
#endif

static void __Pyx_RaiseArgtupleInvalid(
    const char* func_name,
    int exact,
    Py_ssize_t num_min,
    Py_ssize_t num_max,
    Py_ssize_t num_found)
{
    Py_ssize_t num_expected;
    const char *number, *more_or_less;

    if (num_found < num_min) {
        num_expected = num_min;
        more_or_less = "at least";
    } else {
        num_expected = num_max;
        more_or_less = "at most";
    }
    if (exact) {
        more_or_less = "exactly";
    }
    number = (num_expected == 1) ? "" : "s";
    PyErr_Format(PyExc_TypeError,
        #if PY_VERSION_HEX < 0x02050000
            "%s() takes %s %d positional argument%s (%d given)",
        #else
            "%s() takes %s %zd positional argument%s (%zd given)",
        #endif
        func_name, more_or_less, num_expected, number, 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_AS_STRING(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;
        } else {
            #if PY_MAJOR_VERSION < 3
            if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key))) {
            #else
            if (unlikely(!PyUnicode_CheckExact(key)) && unlikely(!PyUnicode_Check(key))) {
            #endif
                goto invalid_keyword_type;
            } else {
                for (name = first_kw_arg; *name; name++) {
                    #if PY_MAJOR_VERSION >= 3
                    if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) &&
                        PyUnicode_Compare(**name, key) == 0) break;
                    #else
                    if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) &&
                        _PyString_Eq(**name, key)) break;
                    #endif
                }
                if (*name) {
                    values[name-argnames] = value;
                } else {
                    /* unexpected keyword found */
                    for (name=argnames; name != first_kw_arg; name++) {
                        if (**name == key) goto arg_passed_twice;
                        #if PY_MAJOR_VERSION >= 3
                        if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) &&
                            PyUnicode_Compare(**name, key) == 0) goto arg_passed_twice;
                        #else
                        if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) &&
                            _PyString_Eq(**name, key)) goto arg_passed_twice;
                        #endif
                    }
                    if (kwds2) {
                        if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
                    } else {
                        goto invalid_keyword;
                    }
                }
            }
        }
    }
    return 0;
arg_passed_twice:
    __Pyx_RaiseDoubleKeywordsError(function_name, **name);
    goto bad;
invalid_keyword_type:
    PyErr_Format(PyExc_TypeError,
        "%s() keywords must be strings", function_name);
    goto bad;
invalid_keyword:
    PyErr_Format(PyExc_TypeError,
    #if PY_MAJOR_VERSION < 3
        "%s() got an unexpected keyword argument '%s'",
        function_name, PyString_AsString(key));
    #else
        "%s() got an unexpected keyword argument '%U'",
        function_name, key);
    #endif
bad:
    return -1;
}

static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
    const char *name, int exact)
{
    if (!type) {
        PyErr_Format(PyExc_SystemError, "Missing type object");
        return 0;
    }
    if (none_allowed && obj == Py_None) return 1;
    else if (exact) {
        if (Py_TYPE(obj) == type) return 1;
    }
    else {
        if (PyObject_TypeCheck(obj, type)) return 1;
    }
    PyErr_Format(PyExc_TypeError,
        "Argument '%s' has incorrect type (expected %s, got %s)",
        name, type->tp_name, Py_TYPE(obj)->tp_name);
    return 0;
}

static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
    PyObject *local_type, *local_value, *local_tb;
    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;
    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
    if (unlikely(tstate->curexc_type))
        goto bad;
    #if PY_MAJOR_VERSION >= 3
    if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
        goto bad;
    #endif
    *type = local_type;
    *value = local_value;
    *tb = local_tb;
    Py_INCREF(local_type);
    Py_INCREF(local_value);
    Py_INCREF(local_tb);
    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;
    /* Make sure tstate is in a consistent state when we XDECREF
       these objects (XDECREF may run arbitrary code). */
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
    return 0;
bad:
    *type = 0;
    *value = 0;
    *tb = 0;
    Py_XDECREF(local_type);
    Py_XDECREF(local_value);
    Py_XDECREF(local_tb);
    return -1;
}


static CYTHON_INLINE int __Pyx_div_int(int a, int b) {
    int q = a / b;
    int r = a - q*b;
    q -= ((r != 0) & ((r ^ b) < 0));
    return q;
}

static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
    PyErr_Format(PyExc_ValueError,
        #if PY_VERSION_HEX < 0x02050000
                 "need more than %d value%s to unpack", (int)index,
        #else
                 "need more than %zd value%s to unpack", index,
        #endif
                 (index == 1) ? "" : "s");
}

static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
    PyErr_Format(PyExc_ValueError,
        #if PY_VERSION_HEX < 0x02050000
            "too many values to unpack (expected %d)", (int)expected);
        #else
            "too many values to unpack (expected %zd)", expected);
        #endif
}

static PyObject *__Pyx_UnpackItem(PyObject *iter, Py_ssize_t index) {
    PyObject *item;
    if (!(item = PyIter_Next(iter))) {
        if (!PyErr_Occurred()) {
            __Pyx_RaiseNeedMoreValuesError(index);
        }
    }
    return item;
}

static int __Pyx_EndUnpack(PyObject *iter, Py_ssize_t expected) {
    PyObject *item;
    if ((item = PyIter_Next(iter))) {
        Py_DECREF(item);
        __Pyx_RaiseTooManyValuesError(expected);
        return -1;
    }
    else if (!PyErr_Occurred())
        return 0;
    else
        return -1;
}


static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
    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);
}

static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
    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);
}

static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list) {
    PyObject *py_import = 0;
    PyObject *empty_list = 0;
    PyObject *module = 0;
    PyObject *global_dict = 0;
    PyObject *empty_dict = 0;
    PyObject *list;
    py_import = __Pyx_GetAttrString(__pyx_b, "__import__");
    if (!py_import)
        goto bad;
    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;
    module = PyObject_CallFunctionObjArgs(py_import,
        name, global_dict, empty_dict, list, NULL);
bad:
    Py_XDECREF(empty_list);
    Py_XDECREF(py_import);
    Py_XDECREF(empty_dict);
    return module;
}

static PyObject *__Pyx_FindPy2Metaclass(PyObject *bases) {
    PyObject *metaclass;
    /* Default metaclass */
#if PY_MAJOR_VERSION < 3
    if (PyTuple_Check(bases) && PyTuple_GET_SIZE(bases) > 0) {
        PyObject *base = PyTuple_GET_ITEM(bases, 0);
        metaclass = PyObject_GetAttrString(base, "__class__");
        if (!metaclass) {
            PyErr_Clear();
            metaclass = (PyObject*) Py_TYPE(base);
        }
    } else {
        metaclass = (PyObject *) &PyClass_Type;
    }
#else
    if (PyTuple_Check(bases) && PyTuple_GET_SIZE(bases) > 0) {
        PyObject *base = PyTuple_GET_ITEM(bases, 0);
        metaclass = (PyObject*) Py_TYPE(base);
    } else {
        metaclass = (PyObject *) &PyType_Type;
    }
#endif
    Py_INCREF(metaclass);
    return metaclass;
}

static PyObject *__Pyx_CreateClass(PyObject *bases, PyObject *dict, PyObject *name,
                                   PyObject *modname) {
    PyObject *result;
    PyObject *metaclass;

    if (PyDict_SetItemString(dict, "__module__", modname) < 0)
        return NULL;

    /* Python2 __metaclass__ */
    metaclass = PyDict_GetItemString(dict, "__metaclass__");
    if (metaclass) {
        Py_INCREF(metaclass);
    } else {
        metaclass = __Pyx_FindPy2Metaclass(bases);
    }
    result = PyObject_CallFunctionObjArgs(metaclass, name, bases, dict, NULL);
    Py_DECREF(metaclass);
    return result;
}


static PyObject *__pyx_binding_PyCFunctionType_NewEx(PyMethodDef *ml, PyObject *self, PyObject *module) {
	__pyx_binding_PyCFunctionType_object *op = PyObject_GC_New(__pyx_binding_PyCFunctionType_object, __pyx_binding_PyCFunctionType);
    if (op == NULL)
        return NULL;
	op->func.m_ml = ml;
	Py_XINCREF(self);
	op->func.m_self = self;
	Py_XINCREF(module);
	op->func.m_module = module;
	PyObject_GC_Track(op);
	return (PyObject *)op;
}

static void __pyx_binding_PyCFunctionType_dealloc(__pyx_binding_PyCFunctionType_object *m) {
	PyObject_GC_UnTrack(m);
	Py_XDECREF(m->func.m_self);
	Py_XDECREF(m->func.m_module);
    PyObject_GC_Del(m);
}

static PyObject *__pyx_binding_PyCFunctionType_descr_get(PyObject *func, PyObject *obj, PyObject *type) {
	if (obj == Py_None)
		obj = NULL;
	return PyMethod_New(func, obj, type);
}

static int __pyx_binding_PyCFunctionType_init(void) {
    __pyx_binding_PyCFunctionType_type = PyCFunction_Type;
    __pyx_binding_PyCFunctionType_type.tp_name = __Pyx_NAMESTR("cython_binding_builtin_function_or_method");
    __pyx_binding_PyCFunctionType_type.tp_dealloc = (destructor)__pyx_binding_PyCFunctionType_dealloc;
    __pyx_binding_PyCFunctionType_type.tp_descr_get = __pyx_binding_PyCFunctionType_descr_get;
    if (PyType_Ready(&__pyx_binding_PyCFunctionType_type) < 0) {
        return -1;
    }
    __pyx_binding_PyCFunctionType = &__pyx_binding_PyCFunctionType_type;
    return 0;

}

static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) {
    const unsigned char neg_one = (unsigned char)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(unsigned char) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(unsigned char)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to unsigned char" :
                    "value too large to convert to unsigned char");
            }
            return (unsigned char)-1;
        }
        return (unsigned char)val;
    }
    return (unsigned char)__Pyx_PyInt_AsUnsignedLong(x);
}

static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject* x) {
    const unsigned short neg_one = (unsigned short)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(unsigned short) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(unsigned short)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to unsigned short" :
                    "value too large to convert to unsigned short");
            }
            return (unsigned short)-1;
        }
        return (unsigned short)val;
    }
    return (unsigned short)__Pyx_PyInt_AsUnsignedLong(x);
}

static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject* x) {
    const unsigned int neg_one = (unsigned int)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(unsigned int) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(unsigned int)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to unsigned int" :
                    "value too large to convert to unsigned int");
            }
            return (unsigned int)-1;
        }
        return (unsigned int)val;
    }
    return (unsigned int)__Pyx_PyInt_AsUnsignedLong(x);
}

static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject* x) {
    const char neg_one = (char)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(char) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(char)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to char" :
                    "value too large to convert to char");
            }
            return (char)-1;
        }
        return (char)val;
    }
    return (char)__Pyx_PyInt_AsLong(x);
}

static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject* x) {
    const short neg_one = (short)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(short) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(short)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to short" :
                    "value too large to convert to short");
            }
            return (short)-1;
        }
        return (short)val;
    }
    return (short)__Pyx_PyInt_AsLong(x);
}

static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject* x) {
    const int neg_one = (int)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(int) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(int)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to int" :
                    "value too large to convert to int");
            }
            return (int)-1;
        }
        return (int)val;
    }
    return (int)__Pyx_PyInt_AsLong(x);
}

static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject* x) {
    const signed char neg_one = (signed char)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(signed char) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(signed char)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to signed char" :
                    "value too large to convert to signed char");
            }
            return (signed char)-1;
        }
        return (signed char)val;
    }
    return (signed char)__Pyx_PyInt_AsSignedLong(x);
}

static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject* x) {
    const signed short neg_one = (signed short)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(signed short) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(signed short)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to signed short" :
                    "value too large to convert to signed short");
            }
            return (signed short)-1;
        }
        return (signed short)val;
    }
    return (signed short)__Pyx_PyInt_AsSignedLong(x);
}

static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject* x) {
    const signed int neg_one = (signed int)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(signed int) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(signed int)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to signed int" :
                    "value too large to convert to signed int");
            }
            return (signed int)-1;
        }
        return (signed int)val;
    }
    return (signed int)__Pyx_PyInt_AsSignedLong(x);
}

static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject* x) {
    const int neg_one = (int)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
    if (sizeof(int) < sizeof(long)) {
        long val = __Pyx_PyInt_AsLong(x);
        if (unlikely(val != (long)(int)val)) {
            if (!unlikely(val == -1 && PyErr_Occurred())) {
                PyErr_SetString(PyExc_OverflowError,
                    (is_unsigned && unlikely(val < 0)) ?
                    "can't convert negative value to int" :
                    "value too large to convert to int");
            }
            return (int)-1;
        }
        return (int)val;
    }
    return (int)__Pyx_PyInt_AsLong(x);
}

static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject* x) {
    const unsigned long neg_one = (unsigned long)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to unsigned long");
            return (unsigned long)-1;
        }
        return (unsigned long)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to unsigned long");
                return (unsigned long)-1;
            }
            return PyLong_AsUnsignedLong(x);
        } else {
            return PyLong_AsLong(x);
        }
    } else {
        unsigned long val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (unsigned long)-1;
        val = __Pyx_PyInt_AsUnsignedLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject* x) {
    const unsigned PY_LONG_LONG neg_one = (unsigned PY_LONG_LONG)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to unsigned PY_LONG_LONG");
            return (unsigned PY_LONG_LONG)-1;
        }
        return (unsigned PY_LONG_LONG)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to unsigned PY_LONG_LONG");
                return (unsigned PY_LONG_LONG)-1;
            }
            return PyLong_AsUnsignedLongLong(x);
        } else {
            return PyLong_AsLongLong(x);
        }
    } else {
        unsigned PY_LONG_LONG val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (unsigned PY_LONG_LONG)-1;
        val = __Pyx_PyInt_AsUnsignedLongLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject* x) {
    const long neg_one = (long)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to long");
            return (long)-1;
        }
        return (long)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to long");
                return (long)-1;
            }
            return PyLong_AsUnsignedLong(x);
        } else {
            return PyLong_AsLong(x);
        }
    } else {
        long val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (long)-1;
        val = __Pyx_PyInt_AsLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject* x) {
    const PY_LONG_LONG neg_one = (PY_LONG_LONG)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to PY_LONG_LONG");
            return (PY_LONG_LONG)-1;
        }
        return (PY_LONG_LONG)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to PY_LONG_LONG");
                return (PY_LONG_LONG)-1;
            }
            return PyLong_AsUnsignedLongLong(x);
        } else {
            return PyLong_AsLongLong(x);
        }
    } else {
        PY_LONG_LONG val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (PY_LONG_LONG)-1;
        val = __Pyx_PyInt_AsLongLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject* x) {
    const signed long neg_one = (signed long)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to signed long");
            return (signed long)-1;
        }
        return (signed long)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to signed long");
                return (signed long)-1;
            }
            return PyLong_AsUnsignedLong(x);
        } else {
            return PyLong_AsLong(x);
        }
    } else {
        signed long val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (signed long)-1;
        val = __Pyx_PyInt_AsSignedLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject* x) {
    const signed PY_LONG_LONG neg_one = (signed PY_LONG_LONG)-1, const_zero = 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_VERSION_HEX < 0x03000000
    if (likely(PyInt_Check(x))) {
        long val = PyInt_AS_LONG(x);
        if (is_unsigned && unlikely(val < 0)) {
            PyErr_SetString(PyExc_OverflowError,
                            "can't convert negative value to signed PY_LONG_LONG");
            return (signed PY_LONG_LONG)-1;
        }
        return (signed PY_LONG_LONG)val;
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
            if (unlikely(Py_SIZE(x) < 0)) {
                PyErr_SetString(PyExc_OverflowError,
                                "can't convert negative value to signed PY_LONG_LONG");
                return (signed PY_LONG_LONG)-1;
            }
            return PyLong_AsUnsignedLongLong(x);
        } else {
            return PyLong_AsLongLong(x);
        }
    } else {
        signed PY_LONG_LONG val;
        PyObject *tmp = __Pyx_PyNumber_Int(x);
        if (!tmp) return (signed PY_LONG_LONG)-1;
        val = __Pyx_PyInt_AsSignedLongLong(tmp);
        Py_DECREF(tmp);
        return val;
    }
}

static CYTHON_INLINE int __Pyx_StrEq(const char *s1, const char *s2) {
     while (*s1 != '\0' && *s1 == *s2) { s1++; s2++; }
     return *s1 == *s2;
}

#include "compile.h"
#include "frameobject.h"
#include "traceback.h"

static void __Pyx_AddTraceback(const char *funcname) {
    PyObject *py_srcfile = 0;
    PyObject *py_funcname = 0;
    PyObject *py_globals = 0;
    PyCodeObject *py_code = 0;
    PyFrameObject *py_frame = 0;

    #if PY_MAJOR_VERSION < 3
    py_srcfile = PyString_FromString(__pyx_filename);
    #else
    py_srcfile = PyUnicode_FromString(__pyx_filename);
    #endif
    if (!py_srcfile) goto bad;
    if (__pyx_clineno) {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, __pyx_clineno);
        #else
        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, __pyx_clineno);
        #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_globals = PyModule_GetDict(__pyx_m);
    if (!py_globals) goto bad;
    py_code = PyCode_New(
        0,            /*int argcount,*/
        #if PY_MAJOR_VERSION >= 3
        0,            /*int kwonlyargcount,*/
        #endif
        0,            /*int nlocals,*/
        0,            /*int stacksize,*/
        0,            /*int flags,*/
        __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,*/
        __pyx_lineno,   /*int firstlineno,*/
        __pyx_empty_bytes  /*PyObject *lnotab*/
    );
    if (!py_code) goto bad;
    py_frame = PyFrame_New(
        PyThreadState_GET(), /*PyThreadState *tstate,*/
        py_code,             /*PyCodeObject *code,*/
        py_globals,          /*PyObject *globals,*/
        0                    /*PyObject *locals*/
    );
    if (!py_frame) goto bad;
    py_frame->f_lineno = __pyx_lineno;
    PyTraceBack_Here(py_frame);
bad:
    Py_XDECREF(py_srcfile);
    Py_XDECREF(py_funcname);
    Py_XDECREF(py_code);
    Py_XDECREF(py_frame);
}

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  /* Python 3+ has unicode identifiers */
        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;
}

/* Type Conversion Functions */

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_VERSION_HEX < 0x03000000
  if (PyInt_Check(x) || PyLong_Check(x))
#else
  if (PyLong_Check(x))
#endif
    return Py_INCREF(x), x;
  m = Py_TYPE(x)->tp_as_number;
#if PY_VERSION_HEX < 0x03000000
  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_VERSION_HEX < 0x03000000
    if (!PyInt_Check(res) && !PyLong_Check(res)) {
#else
    if (!PyLong_Check(res)) {
#endif
      PyErr_Format(PyExc_TypeError,
                   "__%s__ returned non-%s (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 = 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) {
#if PY_VERSION_HEX < 0x02050000
   if (ival <= LONG_MAX)
       return PyInt_FromLong((long)ival);
   else {
       unsigned char *bytes = (unsigned char *) &ival;
       int one = 1; int little = (int)*(unsigned char*)&one;
       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
   }
#else
   return PyInt_FromSize_t(ival);
#endif
}

static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) {
   unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x);
   if (unlikely(val == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())) {
       return (size_t)-1;
   } else if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) {
       PyErr_SetString(PyExc_OverflowError,
                       "value too large to convert to size_t");
       return (size_t)-1;
   }
   return (size_t)val;
}


#endif /* Py_PYTHON_H */