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gh-117999: fixed small nonnegative integer powers of complex numbers #118000

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gh-117999: fixed small nonnegative integer powers of complex numbers #118000

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70d21c7
gh-117999: fixed small nonnegative integer powers of complex numbers
skirpichev Apr 17, 2024
8e0c482
Polishing of c_powu(): exclude unreachible cases and magic numbers
skirpichev May 29, 2024
6fb1d12
Use _Py_c_pow() to test implementation
skirpichev May 30, 2024
87c420a
Merge branch 'main' into fix-c_powi-117999
skirpichev May 31, 2024
389441d
Apply suggestions from code review
skirpichev Aug 19, 2024
9f24ad1
Apply suggestions from code review
skirpichev Aug 19, 2024
807bcc6
Address review: subTest and asserts
skirpichev Aug 19, 2024
b3ec9c6
Merge branch 'main' into fix-c_powi-117999
skirpichev Sep 17, 2025
8cc2a2b
rename news
skirpichev Sep 17, 2025
9e9b454
take tests from #124243
skirpichev Sep 17, 2025
7f25e09
Use new _Py_rc_quot()
skirpichev Sep 17, 2025
99c7be1
run _Py_ADJUST_ERANGE2 only for finite input
skirpichev Sep 17, 2025
a86abc1
inline c_1
skirpichev Sep 17, 2025
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Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
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@skirpichev @picnixz
skirpichev and picnixz authored Aug 19, 2024
commit 389441d99eff56d03efa13b969edc7e25429fb89
6 changes: 3 additions & 3 deletions Lib/test/test_complex.py
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Expand Up @@ -382,11 +382,11 @@ def test_pow_with_small_integer_exponents(self):
r_pro, r_pro_errno = _testcapi._py_c_pow(z, e)
self.assertEqual(r_pro_errno, 0)
self.assertClose(r_pow, r_pro)
if not isnan(r_pow.real):
if isnan(r_pow.real):
self.assertTrue(isnan(r_pro.real))
else:
self.assertEqual(copysign(1, r_pow.real),
copysign(1, r_pro.real))
else:
self.assertTrue(isnan(r_pro.real))
if not isnan(r_pow.imag):
self.assertEqual(copysign(1, r_pow.imag),
copysign(1, r_pro.imag))
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