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gh-155966: Correct handling of math.tanpi poles #155980

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Merged
picnixz merged 10 commits into from
Sep 9, 2026
Merged

gh-155966: Correct handling of math.tanpi poles #155980

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886d4ac
gh-155966: Correct handling of tanpi(0.5) (#155966)
jepler Aug 17, 2026
faa1799
math_testcases: Fix duplicate test ids
jepler Aug 17, 2026
198937d
test_math: Treat duplicate test ids as failure.
jepler Aug 17, 2026
5bd16b9
Add news entry
jepler Aug 17, 2026
e59375b
Update Misc/NEWS.d/next/Library/2026-08-17-17-39-41.gh-issue-155966.0…
jepler Aug 18, 2026
9dff17a
fix sign of infinity in test cases
jepler Aug 18, 2026
b4b4484
Revert "math_testcases: Fix duplicate test ids"
jepler Aug 18, 2026
38f4d61
fix only minimal set of testcase IDs
jepler Aug 18, 2026
216f1da
Apply suggestion from @skirpichev
skirpichev Aug 18, 2026
f7a4d0a
Merge branch 'main' into issue-155966
skirpichev Aug 19, 2026
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fix only minimal set of testcase IDs
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@jepler
jepler committed Aug 18, 2026
commit 38f4d61bca9d99eab6b93e886d1b8767e16b70e9
12 changes: 6 additions & 6 deletions Lib/test/mathdata/math_testcases.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -1311,9 +1311,9 @@ atan2pi20000 atan2pi inf 0 -> 0.5
atan2pi20001 atan2pi -inf 0 -> -0.5
atan2pi20002 atan2pi nan 0 -> nan

atan2pi20000 atan2pi inf -0 -> 0.5
atan2pi20001 atan2pi -inf -0 -> -0.5
atan2pi20002 atan2pi nan -0 -> nan
atan2pi21000 atan2pi inf -0 -> 0.5
atan2pi21001 atan2pi -inf -0 -> -0.5
atan2pi21002 atan2pi nan -0 -> nan

atan2pi20003 atan2pi inf 1 -> 0.5
atan2pi20004 atan2pi -inf 1 -> -0.5
Expand All @@ -1339,9 +1339,9 @@ atan2pi30000 atan2pi 0 inf -> 0.0
atan2pi30001 atan2pi 0 -inf -> 1.0
atan2pi30002 atan2pi 0 nan -> nan

atan2pi30000 atan2pi -0 inf -> -0.0
atan2pi30001 atan2pi -0 -inf -> -1.0
atan2pi30002 atan2pi -0 nan -> nan
atan2pi31000 atan2pi -0 inf -> -0.0
atan2pi31001 atan2pi -0 -inf -> -1.0
atan2pi31002 atan2pi -0 nan -> nan

atan2pi30003 atan2pi 1 inf -> 0.0
atan2pi30004 atan2pi 1 -inf -> 1.0
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