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| author | Mark Dickinson <dickinsm@gmail.com> | 2015-01-11 11:55:29 (GMT) |
|---|---|---|
| committer | Mark Dickinson <dickinsm@gmail.com> | 2015-01-11 11:55:29 (GMT) |
| commit | a5d0c7c2fdd638d684acdb5391e0987b1e37f56a (patch) | |
| tree | 90debcd5a43e635d8a0dda8cb69533588c6c513e /Lib/test/test_math.py | |
| parent | 845b14cc8ef2d95e72c97a788a1ffb31faeaa3a8 (diff) | |
| download | cpython-a5d0c7c2fdd638d684acdb5391e0987b1e37f56a.zip cpython-a5d0c7c2fdd638d684acdb5391e0987b1e37f56a.tar.gz cpython-a5d0c7c2fdd638d684acdb5391e0987b1e37f56a.tar.bz2 | |
Issue #23185: add math.inf and math.nan constants.
Diffstat (limited to 'Lib/test/test_math.py')
| -rw-r--r-- | Lib/test/test_math.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_math.py b/Lib/test/test_math.py index c9f3f16..023dea9 100644 --- a/Lib/test/test_math.py +++ b/Lib/test/test_math.py @@ -983,6 +983,17 @@ class MathTests(unittest.TestCase): self.assertFalse(math.isinf(0.)) self.assertFalse(math.isinf(1.)) + @requires_IEEE_754 + def test_nan_constant(self): + self.assertTrue(math.isnan(math.nan)) + + @requires_IEEE_754 + def test_inf_constant(self): + self.assertTrue(math.isinf(math.inf)) + self.assertGreater(math.inf, 0.0) + self.assertEqual(math.inf, float("inf")) + self.assertEqual(-math.inf, float("-inf")) + # RED_FLAG 16-Oct-2000 Tim # While 2.0 is more consistent about exceptions than previous releases, it # still fails this part of the test on some platforms. For now, we only |