[3.12] gh-123836: workaround fmod(x, y) bug on Windows (GH-124171) #124186
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…H-124171) Buildbot failure on Windows 10 with MSC v.1916 64 bit (AMD64): FAIL: testFmod (test.test_math.MathTests.testFmod) ---------------------------------------------------------------------- Traceback (most recent call last): File "D:\buildarea\3.x.bolen-windows10\build\Lib\test\test_math.py", line 605, in testFmod self.ftest('fmod(-10, 1)', math.fmod(-10, 1), -0.0) ~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\buildarea\3.x.bolen-windows10\build\Lib\test\test_math.py", line 258, in ftest self.fail("{}: {}".format(name, failure)) ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ AssertionError: fmod(-10, 1): expected -0.0, got 0.0 (zero has wrong sign) Here Windows loose sign of the result; if y is nonzero, the result should have the same sign as x. This amends commit 28aea5d. (cherry picked from commit f4dd440) Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
This was referenced Sep 17, 2024
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Buildbot failure on Windows 10 with MSC v.1916 64 bit (AMD64):
Here Windows loose sign of the result; if y is nonzero, the result should have the same sign as x.
This amends commit 28aea5d.
(cherry picked from commit f4dd440)