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Unified Diff: third_party/cython/src/Cython/Utility/TypeConversion.c

Issue 385073004: Adding cython v0.20.2 in third-party. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Reference cython dev list thread. Created 6 years, 5 months ago
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Index: third_party/cython/src/Cython/Utility/TypeConversion.c
diff --git a/third_party/cython/src/Cython/Utility/TypeConversion.c b/third_party/cython/src/Cython/Utility/TypeConversion.c
new file mode 100644
index 0000000000000000000000000000000000000000..cc2c51de3683f1a2e8c07ff52f3862c9d15a49b9
--- /dev/null
+++ b/third_party/cython/src/Cython/Utility/TypeConversion.c
@@ -0,0 +1,629 @@
+/////////////// TypeConversions.proto ///////////////
+
+/* Type Conversion Predeclarations */
+
+#define __Pyx_fits_Py_ssize_t(v, type, is_signed) ( \
+ (sizeof(type) < sizeof(Py_ssize_t)) || \
+ (sizeof(type) > sizeof(Py_ssize_t) && \
+ likely(v < (type)PY_SSIZE_T_MAX || \
+ v == (type)PY_SSIZE_T_MAX) && \
+ (!is_signed || likely(v > (type)PY_SSIZE_T_MIN || \
+ v == (type)PY_SSIZE_T_MIN))) || \
+ (sizeof(type) == sizeof(Py_ssize_t) && \
+ (is_signed || likely(v < (type)PY_SSIZE_T_MAX || \
+ v == (type)PY_SSIZE_T_MAX))) )
+
+static CYTHON_INLINE 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_FromUString(s) __Pyx_PyObject_FromString((const char*)s)
+#define __Pyx_PyBytes_FromUString(s) __Pyx_PyBytes_FromString((const char*)s)
+#define __Pyx_PyByteArray_FromUString(s) __Pyx_PyByteArray_FromString((const char*)s)
+#define __Pyx_PyStr_FromUString(s) __Pyx_PyStr_FromString((const char*)s)
+#define __Pyx_PyUnicode_FromUString(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_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
+#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), 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*) (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;
+ 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)
+
+// __PYX_DEFAULT_STRING_ENCODING is either a user provided string constant
+// or we need to look it up here
+#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
+
+/////////////// TypeConversions ///////////////
+
+/* Type Conversion Functions */
+
+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 __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;
+ // borrowed, cached reference
+ 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) {
+ // raise the error
+ PyUnicode_AsASCIIString(o);
+ return NULL;
+ }
+ }
+ }
+#endif /*__PYX_DEFAULT_STRING_ENCODING_IS_ASCII*/
+ *length = PyBytes_GET_SIZE(defenc);
+ return defenc_c;
+#else /* PY_VERSION_HEX < 0x03030000 */
+ if (PyUnicode_READY(o) == -1) return NULL;
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+ if (PyUnicode_IS_ASCII(o)) {
+ // cached for the lifetime of the object
+ *length = PyUnicode_GET_LENGTH(o);
+ return PyUnicode_AsUTF8(o);
+ } else {
+ // raise the error
+ PyUnicode_AsASCIIString(o);
+ return NULL;
+ }
+#else /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
+ return PyUnicode_AsUTF8AndSize(o, length);
+#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
+#endif /* PY_VERSION_HEX < 0x03030000 */
+ } else
+#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT */
+
+#if !CYTHON_COMPILING_IN_PYPY
+#if PY_VERSION_HEX >= 0x02060000
+ if (PyByteArray_Check(o)) {
+ *length = PyByteArray_GET_SIZE(o);
+ return PyByteArray_AS_STRING(o);
+ } else
+#endif
+#endif
+ {
+ char* result;
+ int r = PyBytes_AsStringAndSize(o, &result, length);
+ if (unlikely(r < 0)) {
+ return NULL;
+ } else {
+ return result;
+ }
+ }
+}
+
+/* Note: __Pyx_PyObject_IsTrue is written to minimize branching. */
+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 Py_INCREF(x), 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;
+}
+
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+ #include "longintrepr.h"
+ #endif
+#endif
+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)))
+ return PyInt_AS_LONG(b);
+#endif
+ if (likely(PyLong_CheckExact(b))) {
+ #if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+ switch (Py_SIZE(b)) {
+ case -1: return -(sdigit)((PyLongObject*)b)->ob_digit[0];
+ case 0: return 0;
+ case 1: return ((PyLongObject*)b)->ob_digit[0];
+ }
+ #endif
+ #endif
+ #if PY_VERSION_HEX < 0x02060000
+ return PyInt_AsSsize_t(b);
+ #else
+ return PyLong_AsSsize_t(b);
+ #endif
+ }
+ 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
+}
+
+
+/////////////// FromPyStructUtility.proto ///////////////
+{{struct_type_decl}};
+static {{struct_type_decl}} {{funcname}}(PyObject *);
+
+/////////////// FromPyStructUtility ///////////////
+static {{struct_type_decl}} {{funcname}}(PyObject * o) {
+ {{struct_type_decl}} result;
+ PyObject *value = NULL;
+
+ if (!PyMapping_Check(o)) {
+ PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "a mapping", Py_TYPE(o)->tp_name);
+ goto bad;
+ }
+
+ {{for member in var_entries:}}
+ {{py:attr = "result." + member.cname}}
+
+ value = PyObject_GetItem(o, PYIDENT("{{member.name}}"));
+ if (!value) {
+ PyErr_Format(PyExc_ValueError, \
+ "No value specified for struct attribute '%.{{max(200, len(member.name))}}s'", "{{member.name}}");
+ goto bad;
+ }
+ {{attr}} = {{member.type.from_py_function}}(value);
+ if ({{member.type.error_condition(attr)}})
+ goto bad;
+
+ Py_DECREF(value);
+ {{endfor}}
+
+ return result;
+bad:
+ Py_XDECREF(value);
+ return result;
+}
+
+/////////////// ObjectAsUCS4.proto ///////////////
+
+static CYTHON_INLINE Py_UCS4 __Pyx_PyObject_AsPy_UCS4(PyObject*);
+
+/////////////// ObjectAsUCS4 ///////////////
+
+static CYTHON_INLINE Py_UCS4 __Pyx_PyObject_AsPy_UCS4(PyObject* x) {
+ long ival;
+ if (PyUnicode_Check(x)) {
+ Py_ssize_t length;
+ #if CYTHON_PEP393_ENABLED
+ length = PyUnicode_GET_LENGTH(x);
+ if (likely(length == 1)) {
+ return PyUnicode_READ_CHAR(x, 0);
+ }
+ #else
+ length = PyUnicode_GET_SIZE(x);
+ if (likely(length == 1)) {
+ return PyUnicode_AS_UNICODE(x)[0];
+ }
+ #if Py_UNICODE_SIZE == 2
+ else if (PyUnicode_GET_SIZE(x) == 2) {
+ Py_UCS4 high_val = PyUnicode_AS_UNICODE(x)[0];
+ if (high_val >= 0xD800 && high_val <= 0xDBFF) {
+ Py_UCS4 low_val = PyUnicode_AS_UNICODE(x)[1];
+ if (low_val >= 0xDC00 && low_val <= 0xDFFF) {
+ return 0x10000 + (((high_val & ((1<<10)-1)) << 10) | (low_val & ((1<<10)-1)));
+ }
+ }
+ }
+ #endif
+ #endif
+ PyErr_Format(PyExc_ValueError,
+ "only single character unicode strings can be converted to Py_UCS4, "
+ "got length %" CYTHON_FORMAT_SSIZE_T "d", length);
+ return (Py_UCS4)-1;
+ }
+ ival = __Pyx_PyInt_As_long(x);
+ if (unlikely(ival < 0)) {
+ if (!PyErr_Occurred())
+ PyErr_SetString(PyExc_OverflowError,
+ "cannot convert negative value to Py_UCS4");
+ return (Py_UCS4)-1;
+ } else if (unlikely(ival > 1114111)) {
+ PyErr_SetString(PyExc_OverflowError,
+ "value too large to convert to Py_UCS4");
+ return (Py_UCS4)-1;
+ }
+ return (Py_UCS4)ival;
+}
+
+/////////////// ObjectAsPyUnicode.proto ///////////////
+
+static CYTHON_INLINE Py_UNICODE __Pyx_PyObject_AsPy_UNICODE(PyObject*);
+
+/////////////// ObjectAsPyUnicode ///////////////
+
+static CYTHON_INLINE Py_UNICODE __Pyx_PyObject_AsPy_UNICODE(PyObject* x) {
+ long ival;
+ #if CYTHON_PEP393_ENABLED
+ #if Py_UNICODE_SIZE > 2
+ const long maxval = 1114111;
+ #else
+ const long maxval = 65535;
+ #endif
+ #else
+ static long maxval = 0;
+ #endif
+ if (PyUnicode_Check(x)) {
+ if (unlikely(__Pyx_PyUnicode_GET_LENGTH(x) != 1)) {
+ PyErr_Format(PyExc_ValueError,
+ "only single character unicode strings can be converted to Py_UNICODE, "
+ "got length %" CYTHON_FORMAT_SSIZE_T "d", __Pyx_PyUnicode_GET_LENGTH(x));
+ return (Py_UNICODE)-1;
+ }
+ #if CYTHON_PEP393_ENABLED
+ ival = PyUnicode_READ_CHAR(x, 0);
+ #else
+ return PyUnicode_AS_UNICODE(x)[0];
+ #endif
+ } else {
+ #if !CYTHON_PEP393_ENABLED
+ if (unlikely(!maxval))
+ maxval = (long)PyUnicode_GetMax();
+ #endif
+ ival = __Pyx_PyInt_As_long(x);
+ }
+ if (unlikely(ival < 0)) {
+ if (!PyErr_Occurred())
+ PyErr_SetString(PyExc_OverflowError,
+ "cannot convert negative value to Py_UNICODE");
+ return (Py_UNICODE)-1;
+ } else if (unlikely(ival > maxval)) {
+ PyErr_SetString(PyExc_OverflowError,
+ "value too large to convert to Py_UNICODE");
+ return (Py_UNICODE)-1;
+ }
+ return (Py_UNICODE)ival;
+}
+
+
+/////////////// CIntToPy.proto ///////////////
+
+static CYTHON_INLINE PyObject* {{TO_PY_FUNCTION}}({{TYPE}} value);
+
+/////////////// CIntToPy ///////////////
+
+static CYTHON_INLINE PyObject* {{TO_PY_FUNCTION}}({{TYPE}} value) {
+ const {{TYPE}} neg_one = ({{TYPE}}) -1, const_zero = 0;
+ const int is_unsigned = neg_one > const_zero;
+ if (is_unsigned) {
+ if (sizeof({{TYPE}}) < sizeof(long)) {
+ return PyInt_FromLong((long) value);
+ } else if (sizeof({{TYPE}}) <= sizeof(unsigned long)) {
+ return PyLong_FromUnsignedLong((unsigned long) value);
+ } else if (sizeof({{TYPE}}) <= sizeof(unsigned long long)) {
+ return PyLong_FromUnsignedLongLong((unsigned long long) value);
+ }
+ } else {
+ if (sizeof({{TYPE}}) <= sizeof(long)) {
+ return PyInt_FromLong((long) value);
+ } else if (sizeof({{TYPE}}) <= sizeof(long long)) {
+ return PyLong_FromLongLong((long long) value);
+ }
+ }
+ {
+ int one = 1; int little = (int)*(unsigned char *)&one;
+ unsigned char *bytes = (unsigned char *)&value;
+ return _PyLong_FromByteArray(bytes, sizeof({{TYPE}}),
+ little, !is_unsigned);
+ }
+}
+
+
+/////////////// CIntFromPyVerify ///////////////
+
+#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func) \
+ { \
+ func_type value = func(x); \
+ if (sizeof(target_type) < sizeof(func_type)) { \
+ if (unlikely(value != (func_type) (target_type) value)) { \
+ func_type zero = 0; \
+ PyErr_SetString(PyExc_OverflowError, \
+ (is_unsigned && unlikely(value < zero)) ? \
+ "can't convert negative value to " #target_type : \
+ "value too large to convert to " #target_type); \
+ return (target_type) -1; \
+ } \
+ } \
+ return (target_type) value; \
+ }
+
+
+/////////////// CIntFromPy.proto ///////////////
+
+static CYTHON_INLINE {{TYPE}} {{FROM_PY_FUNCTION}}(PyObject *);
+
+/////////////// CIntFromPy ///////////////
+//@requires: CIntFromPyVerify
+
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+ #include "longintrepr.h"
+ #endif
+#endif
+static CYTHON_INLINE {{TYPE}} {{FROM_PY_FUNCTION}}(PyObject *x) {
+ const {{TYPE}} neg_one = ({{TYPE}}) -1, const_zero = 0;
+ const int is_unsigned = neg_one > const_zero;
+#if PY_MAJOR_VERSION < 3
+ if (likely(PyInt_Check(x))) {
+ if (sizeof({{TYPE}}) < sizeof(long)) {
+ __PYX_VERIFY_RETURN_INT({{TYPE}}, long, PyInt_AS_LONG)
+ } else {
+ long val = PyInt_AS_LONG(x);
+ if (is_unsigned && unlikely(val < 0)) {
+ PyErr_SetString(PyExc_OverflowError,
+ "can't convert negative value to {{TYPE}}");
+ return ({{TYPE}}) -1;
+ }
+ return ({{TYPE}}) val;
+ }
+ } else
+#endif
+ if (likely(PyLong_Check(x))) {
+ if (is_unsigned) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+ if (sizeof(digit) <= sizeof({{TYPE}})) {
+ switch (Py_SIZE(x)) {
+ case 0: return 0;
+ case 1: return ({{TYPE}}) ((PyLongObject*)x)->ob_digit[0];
+ }
+ }
+ #endif
+#endif
+ if (unlikely(Py_SIZE(x) < 0)) {
+ PyErr_SetString(PyExc_OverflowError,
+ "can't convert negative value to {{TYPE}}");
+ return ({{TYPE}}) -1;
+ }
+ if (sizeof({{TYPE}}) <= sizeof(unsigned long)) {
+ __PYX_VERIFY_RETURN_INT({{TYPE}}, unsigned long, PyLong_AsUnsignedLong)
+ } else if (sizeof({{TYPE}}) <= sizeof(unsigned long long)) {
+ __PYX_VERIFY_RETURN_INT({{TYPE}}, unsigned long long, PyLong_AsUnsignedLongLong)
+ }
+ } else {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+ if (sizeof(digit) <= sizeof({{TYPE}})) {
+ switch (Py_SIZE(x)) {
+ case 0: return 0;
+ case 1: return +({{TYPE}}) ((PyLongObject*)x)->ob_digit[0];
+ case -1: return -({{TYPE}}) ((PyLongObject*)x)->ob_digit[0];
+ }
+ }
+ #endif
+#endif
+ if (sizeof({{TYPE}}) <= sizeof(long)) {
+ __PYX_VERIFY_RETURN_INT({{TYPE}}, long, PyLong_AsLong)
+ } else if (sizeof({{TYPE}}) <= sizeof(long long)) {
+ __PYX_VERIFY_RETURN_INT({{TYPE}}, long long, PyLong_AsLongLong)
+ }
+ }
+ {
+#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
+ PyErr_SetString(PyExc_RuntimeError,
+ "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
+#else
+ {{TYPE}} 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 ({{TYPE}}) -1;
+ }
+ } else {
+ {{TYPE}} val;
+ PyObject *tmp = __Pyx_PyNumber_Int(x);
+ if (!tmp) return ({{TYPE}}) -1;
+ val = {{FROM_PY_FUNCTION}}(tmp);
+ Py_DECREF(tmp);
+ return val;
+ }
+}
+
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