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gh-121485: Always use 64-bit integers for integers bits count (GH-121486)

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Use 64-bit integers instead of platform specific size_t or Py_ssize_t
to represent the number of bits in Python integer.
This commit is contained in:
Serhiy Storchaka 2024-08-30 08:13:24 +03:00 • committed by GitHub
parent 58ce131037
commit 32c7dbb2bc
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GPG key ID: B5690EEEBB952194
13 changed files with 187 additions and 111 deletions
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8
Modules/mathmodule.c
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@ -1657,7 +1657,7 @@ math_isqrt(PyObject *module, PyObject *n)
/*[clinic end generated code: output=35a6f7f980beab26 input=5b6e7ae4fa6c43d6]*/
{
int a_too_large, c_bit_length;
size_t c, d;
uint64_t c, d;
uint64_t m;
uint32_t u;
PyObject *a = NULL, *b;
@ -1680,7 +1680,7 @@ math_isqrt(PyObject *module, PyObject *n)
/* c = (n.bit_length() - 1) // 2 */
c = _PyLong_NumBits(n);
if (c == (size_t)(-1)) {
if (c == (uint64_t)(-1)) {
goto error;
}
c = (c - 1U) / 2U;
@ -1727,7 +1727,7 @@ math_isqrt(PyObject *module, PyObject *n)
for (int s = c_bit_length - 6; s >= 0; --s) {
PyObject *q;
size_t e = d;
uint64_t e = d;
d = c >> s;
@ -2185,7 +2185,7 @@ loghelper(PyObject* arg, double (*func)(double))
/* If it is int, do it ourselves. */
if (PyLong_Check(arg)) {
double x, result;
Py_ssize_t e;
int64_t e;
/* Negative or zero inputs give a ValueError. */
if (!_PyLong_IsPositive((PyLongObject *)arg)) {