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gh-117999: Fix small integer powers of complex numbers #124243

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Merged
serhiy-storchaka merged 11 commits into from
Sep 3, 2026
Merged

gh-117999: Fix small integer powers of complex numbers #124243

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f2280be
gh-117999: Fix small integer powers of complex numbers
serhiy-storchaka Sep 19, 2024
5b5320a
Merge branch 'main' into complex_powi
serhiy-storchaka Nov 26, 2024
1304423
Polish tests.
serhiy-storchaka Nov 26, 2024
bc4adfd
Remove unrelated change.
serhiy-storchaka Nov 26, 2024
4b8535d
Merge branch 'main' into complex_powi
serhiy-storchaka Dec 12, 2024
e876273
Add more tests.
serhiy-storchaka Dec 12, 2024
bb748c7
Merge branch 'main' into complex_powi
serhiy-storchaka Feb 4, 2025
3090707
Merge branch 'main' into complex_powi
skirpichev Aug 18, 2026
c4cd2e7
fix test (smaller eps value to pass assertClose tests)
skirpichev Aug 18, 2026
6b3e781
Merge branch 'main' into complex_powi
serhiy-storchaka Sep 3, 2026
fcfa3f6
Remove the c_1 constant and add the INT_EXP_CUTOFF macro.
serhiy-storchaka Sep 3, 2026
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fix test (smaller eps value to pass assertClose tests)
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@skirpichev
skirpichev committed Aug 18, 2026
commit c4cd2e7f892f9acd49f4e86c038384409deb454d
2 changes: 1 addition & 1 deletion Lib/test/test_complex.py
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Expand Up @@ -489,7 +489,7 @@ def test_pow_with_small_integer_exponents(self):
self.assertComplexesAreIdentical(c**-2, complex(-0.0, -y/x))

# Test that zeroes has the same sign as small non-zero values.
eps = 1e-8
eps = 1e-11
pairs = [(complex(x, y), complex(x, copysign(0.0, y)))
for x in [+1, -1] for y in [+eps, -eps]]
pairs += [(complex(y, x), complex(copysign(0.0, y), x))
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