cpython@5f09bb0 (original) (raw)

`@@ -26,9 +26,6 @@ PyAPI_FUNC(Py_ssize_t) PyLong_AsSsize_t(PyObject *);

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`PyAPI_FUNC(size_t) PyLong_AsSize_t(PyObject *);

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`PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLong(PyObject *);

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`PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLongMask(PyObject *);

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#ifndef Py_LIMITED_API

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PyAPI_FUNC(int) _PyLong_AsInt(PyObject *);

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#endif

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`PyAPI_FUNC(PyObject *) PyLong_GetInfo(void);

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`/* It may be useful in the future. I've added it in the PyInt -> PyLong

`@@ -65,30 +62,6 @@ PyAPI_FUNC(PyObject *) PyLong_GetInfo(void);

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`# error "void* different in size from int, long and long long"

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`#endif /* SIZEOF_VOID_P */

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#ifndef Py_LIMITED_API

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PyAPI_FUNC(int) _PyLong_UnsignedShort_Converter(PyObject *, void *);

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PyAPI_FUNC(int) _PyLong_UnsignedInt_Converter(PyObject *, void *);

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PyAPI_FUNC(int) _PyLong_UnsignedLong_Converter(PyObject *, void *);

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PyAPI_FUNC(int) _PyLong_UnsignedLongLong_Converter(PyObject *, void *);

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PyAPI_FUNC(int) _PyLong_Size_t_Converter(PyObject *, void *);

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#endif

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-

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/* Used by Python/mystrtoul.c, _PyBytes_FromHex(),

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_PyBytes_DecodeEscape(), etc. */

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#ifndef Py_LIMITED_API

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PyAPI_DATA(unsigned char) _PyLong_DigitValue[256];

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#endif

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-

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/* _PyLong_Frexp returns a double x and an exponent e such that the

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true value is approximately equal to x * 2**e. e is >= 0. x is

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0.0 if and only if the input is 0 (in which case, e and x are both

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zeroes); otherwise, 0.5 <= abs(x) < 1.0. On overflow, which is

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possible if the number of bits doesn't fit into a Py_ssize_t, sets

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OverflowError and returns -1.0 for x, 0 for e. */

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#ifndef Py_LIMITED_API

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PyAPI_FUNC(double) _PyLong_Frexp(PyLongObject *a, Py_ssize_t *e);

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#endif

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-

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`PyAPI_FUNC(double) PyLong_AsDouble(PyObject *);

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`PyAPI_FUNC(PyObject *) PyLong_FromVoidPtr(void *);

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`PyAPI_FUNC(void *) PyLong_AsVoidPtr(PyObject *);

`@@ -101,102 +74,6 @@ PyAPI_FUNC(unsigned long long) PyLong_AsUnsignedLongLongMask(PyObject *);

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`PyAPI_FUNC(long long) PyLong_AsLongLongAndOverflow(PyObject *, int *);

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`PyAPI_FUNC(PyObject *) PyLong_FromString(const char *, char **, int);

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#ifndef Py_LIMITED_API

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PyAPI_FUNC(PyObject *) PyLong_FromUnicodeObject(PyObject *u, int base);

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PyAPI_FUNC(PyObject *) _PyLong_FromBytes(const char *, Py_ssize_t, int);

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#endif

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-

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#ifndef Py_LIMITED_API

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/* _PyLong_Sign. Return 0 if v is 0, -1 if v < 0, +1 if v > 0.

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v must not be NULL, and must be a normalized long.

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There are no error cases.

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PyAPI_FUNC(int) _PyLong_Sign(PyObject *v);

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-

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-

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/* _PyLong_NumBits. Return the number of bits needed to represent the

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absolute value of a long. For example, this returns 1 for 1 and -1, 2

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for 2 and -2, and 2 for 3 and -3. It returns 0 for 0.

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v must not be NULL, and must be a normalized long.

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(size_t)-1 is returned and OverflowError set if the true result doesn't

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fit in a size_t.

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PyAPI_FUNC(size_t) _PyLong_NumBits(PyObject *v);

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-

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/* _PyLong_DivmodNear. Given integers a and b, compute the nearest

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integer q to the exact quotient a / b, rounding to the nearest even integer

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in the case of a tie. Return (q, r), where r = a - q*b. The remainder r

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will satisfy abs(r) <= abs(b)/2, with equality possible only if q is

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even.

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PyAPI_FUNC(PyObject *) _PyLong_DivmodNear(PyObject *, PyObject *);

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-

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/* _PyLong_FromByteArray: View the n unsigned bytes as a binary integer in

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base 256, and return a Python int with the same numeric value.

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If n is 0, the integer is 0. Else:

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If little_endian is 1/true, bytes[n-1] is the MSB and bytes[0] the LSB;

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else (little_endian is 0/false) bytes[0] is the MSB and bytes[n-1] the

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LSB.

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If is_signed is 0/false, view the bytes as a non-negative integer.

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If is_signed is 1/true, view the bytes as a 2's-complement integer,

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non-negative if bit 0x80 of the MSB is clear, negative if set.

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Error returns:

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Return NULL with the appropriate exception set if there's not

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enough memory to create the Python int.

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PyAPI_FUNC(PyObject *) _PyLong_FromByteArray(

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const unsigned char* bytes, size_t n,

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int little_endian, int is_signed);

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-

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/* _PyLong_AsByteArray: Convert the least-significant 8*n bits of long

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v to a base-256 integer, stored in array bytes. Normally return 0,

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return -1 on error.

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If little_endian is 1/true, store the MSB at bytes[n-1] and the LSB at

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bytes[0]; else (little_endian is 0/false) store the MSB at bytes[0] and

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the LSB at bytes[n-1].

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If is_signed is 0/false, it's an error if v < 0; else (v >= 0) n bytes

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are filled and there's nothing special about bit 0x80 of the MSB.

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If is_signed is 1/true, bytes is filled with the 2's-complement

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representation of v's value. Bit 0x80 of the MSB is the sign bit.

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Error returns (-1):

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is_signed is 0 and v < 0. TypeError is set in this case, and bytes

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isn't altered.

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n isn't big enough to hold the full mathematical value of v. For

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example, if is_signed is 0 and there are more digits in the v than

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fit in n; or if is_signed is 1, v < 0, and n is just 1 bit shy of

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being large enough to hold a sign bit. OverflowError is set in this

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case, but bytes holds the least-significant n bytes of the true value.

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PyAPI_FUNC(int) _PyLong_AsByteArray(PyLongObject* v,

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unsigned char* bytes, size_t n,

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int little_endian, int is_signed);

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-

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/* _PyLong_Format: Convert the long to a string object with given base,

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appending a base prefix of 0[box] if base is 2, 8 or 16. */

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PyAPI_FUNC(PyObject *) _PyLong_Format(PyObject *obj, int base);

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PyAPI_FUNC(int) _PyLong_FormatWriter(

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_PyUnicodeWriter *writer,

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PyObject *obj,

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int base,

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int alternate);

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PyAPI_FUNC(char*) _PyLong_FormatBytesWriter(

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_PyBytesWriter *writer,

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char *str,

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PyObject *obj,

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int base,

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int alternate);

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/* Format the object based on the format_spec, as defined in PEP 3101

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(Advanced String Formatting). */

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PyAPI_FUNC(int) _PyLong_FormatAdvancedWriter(

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_PyUnicodeWriter *writer,

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PyObject *obj,

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PyObject *format_spec,

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Py_ssize_t start,

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Py_ssize_t end);

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#endif /* Py_LIMITED_API */

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`/* These aren't really part of the int object, but they're handy. The

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` functions are in Python/mystrtoul.c.

`@@ -205,13 +82,9 @@ PyAPI_FUNC(unsigned long) PyOS_strtoul(const char *, char **, int);

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`PyAPI_FUNC(long) PyOS_strtol(const char *, char **, int);

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`#ifndef Py_LIMITED_API

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/* For use by the gcd function in mathmodule.c */

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PyAPI_FUNC(PyObject *) _PyLong_GCD(PyObject *, PyObject *);

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#endif /* !Py_LIMITED_API */

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-

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#ifndef Py_LIMITED_API

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PyAPI_FUNC(PyObject *) _PyLong_Rshift(PyObject *, size_t);

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PyAPI_FUNC(PyObject *) _PyLong_Lshift(PyObject *, size_t);

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define Py_CPYTHON_LONGOBJECT_H

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include "cpython/longobject.h"

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undef Py_CPYTHON_LONGOBJECT_H

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`#endif

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`#ifdef __cplusplus