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Diffstat (limited to 'Lib/test/test_math.py')
| -rw-r--r-- | Lib/test/test_math.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Lib/test/test_math.py b/Lib/test/test_math.py index 433161c..f282434 100644 --- a/Lib/test/test_math.py +++ b/Lib/test/test_math.py @@ -1881,11 +1881,11 @@ class MathTests(unittest.TestCase): self.assertFalse(math.isinf(0.)) self.assertFalse(math.isinf(1.)) - @requires_IEEE_754 def test_nan_constant(self): + # `math.nan` must be a quiet NaN with positive sign bit self.assertTrue(math.isnan(math.nan)) + self.assertEqual(math.copysign(1., math.nan), 1.) - @requires_IEEE_754 def test_inf_constant(self): self.assertTrue(math.isinf(math.inf)) self.assertGreater(math.inf, 0.0) |