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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
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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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Update Misc/NEWS.d/next/Library/2026-08-17-17-39-41.gh-issue-155966.0… 
…YOADY.rst

Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
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@jepler @skirpichev
jepler and skirpichev authored Aug 18, 2026
commit e59375bdc26a430bc38ddb0e5e67a189b35840f0
4 changes: 2 additions & 2 deletions Misc/NEWS.d/next/Library/2026-08-17-17-39-41.gh-issue-155966.0YOADY.rst
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:func:`math.atanpi` now raises :exc:`ValueError` for half-integer values
(e.g., ``atanpi(1.5)``), as these are poles of the function.
:func:`math.tanpi` now raises :exc:`ValueError` for half-integer values
(e.g., ``tanpi(1.5)``), as these are poles of the function.
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