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Performance improvements for mpfr __pow__.

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This commit is contained in:
Case Van Horsen 2021-02-21 10:38:03 -08:00
parent 0068b58fe9
commit e5bb1f755e
1 changed files with 18 additions and 1 deletions
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19
src/gmpy2_pow.c
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@ -277,7 +277,24 @@ GMPy_Real_PowWithType(PyObject *base, int btype, PyObject *exp, int etype,
mpfr_clear_flags();
if (IS_TYPE_INTEGER(etype)) {
if (IS_TYPE_PyInteger(etype)) {
int error;
unsigned long intb;
long temp;
if (mpfr_fits_ulong_p(tempb->f, MPFR_RNDF)) {
intb = mpfr_get_ui(tempb->f, MPFR_RNDF);
temp = PyLong_AsLongAndOverflow(exp, &error);
if (!error) {
if (temp >= 0) {
result->rc = mpfr_ui_pow_ui(result->f, intb, temp, GET_MPFR_ROUND(context));
goto done;
}
}
}
}
if (IS_TYPE_INTEGER(etype)) {
if (!(tempz = GMPy_MPZ_From_IntegerWithType(exp, etype, context))) {
goto err;
}