gh-131032: Fix math.fma(x, y, z) zero sign by vstinner · Pull Request #131134 · python/cpython
test_fma_zero_result() failed on Android and FreeBSD.
buildbot/AMD64 Android PR
FAIL: test_fma_zero_result (test.test_math.FMATests.test_fma_zero_result)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/data/user/0/org.python.testbed/files/python/lib/python3.14/test/test_math.py", line 2814, in test_fma_zero_result
self.assertIsNegativeZero(math.fma(x-y, x+y, -z))
~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
File "/data/user/0/org.python.testbed/files/python/lib/python3.14/test/test_math.py", line 2919, in assertIsNegativeZero
self.assertTrue(
~~~~~~~~~~~~~~~^
value == 0 and math.copysign(1, value) < 0,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
msg="Expected a negative zero, got {!r}".format(value)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
AssertionError: False is not true : Expected a negative zero, got 0.0
buildbot/AMD64 FreeBSD PR
FAIL: test_fma_zero_result (test.test_math.FMATests.test_fma_zero_result)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/buildbot/buildarea/pull_request.ware-freebsd/build/Lib/test/test_math.py", line 2814, in test_fma_zero_result
self.assertIsNegativeZero(math.fma(x-y, x+y, -z))
~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
File "/buildbot/buildarea/pull_request.ware-freebsd/build/Lib/test/test_math.py", line 2919, in assertIsNegativeZero
self.assertTrue(
~~~~~~~~~~~~~~~^
value == 0 and math.copysign(1, value) < 0,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
msg="Expected a negative zero, got {!r}".format(value)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
AssertionError: False is not true : Expected a negative zero, got 0.0
AMD64 Windows11 Bigmem PR
Unrelated failure: test_bigmem failed.
buildbot/iOS ARM64 Simulator PR
Unrelated failure:
1 test altered the execution environment (env changed):
test_interpreters