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gh-116560: Add PyLong_GetSign() public function (#116561)

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Co-authored-by: Victor Stinner <vstinner@python.org>
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Sergey B Kirpichev 2024-06-03 15:06:31 +03:00 • committed by GitHub
parent 367adc91fb
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7 changed files with 66 additions and 3 deletions
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Include/cpython/longobject.h
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@ -55,9 +55,13 @@ PyAPI_FUNC(PyObject*) PyLong_FromUnsignedNativeBytes(const void* buffer,
PyAPI_FUNC(int) PyUnstable_Long_IsCompact(const PyLongObject* op);
PyAPI_FUNC(Py_ssize_t) PyUnstable_Long_CompactValue(const PyLongObject* op);
// _PyLong_Sign. Return 0 if v is 0, -1 if v < 0, +1 if v > 0.
// v must not be NULL, and must be a normalized long.
// There are no error cases.
/* PyLong_GetSign. Get the sign of an integer object:
0, -1 or +1 for zero, negative or positive integer, respectively.
- On success, set '*sign' to the integer sign, and return 0.
- On failure, set an exception, and return -1. */
PyAPI_FUNC(int) PyLong_GetSign(PyObject *v, int *sign);
PyAPI_FUNC(int) _PyLong_Sign(PyObject *v);
/* _PyLong_NumBits. Return the number of bits needed to represent the