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| author | Christian Heimes <christian@cheimes.de> | 2008-01-03 20:23:15 (GMT) |
|---|---|---|
| committer | Christian Heimes <christian@cheimes.de> | 2008-01-03 20:23:15 (GMT) |
| commit | e2ca4245c90a4e41e45d943d4df2eacf7ef62962 (patch) | |
| tree | f02bef3c72086738783aeaa3fff96d365255f2a7 /Lib/test | |
| parent | ae04c3356ed2aec0e9e2c39096a3ccd05722575a (diff) | |
| download | cpython-e2ca4245c90a4e41e45d943d4df2eacf7ef62962.zip cpython-e2ca4245c90a4e41e45d943d4df2eacf7ef62962.tar.gz cpython-e2ca4245c90a4e41e45d943d4df2eacf7ef62962.tar.bz2 | |
Added math.isinf() and math.isnan()
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_math.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Lib/test/test_math.py b/Lib/test/test_math.py index 98e4623..d2da59b 100644 --- a/Lib/test/test_math.py +++ b/Lib/test/test_math.py @@ -229,6 +229,22 @@ class MathTests(unittest.TestCase): self.ftest('tanh(0)', math.tanh(0), 0) self.ftest('tanh(1)+tanh(-1)', math.tanh(1)+math.tanh(-1), 0) + def testIsnan(self): + self.assert_(math.isnan(float("nan"))) + self.assert_(math.isnan(float("inf")* 0.)) + self.failIf(math.isnan(float("inf"))) + self.failIf(math.isnan(0.)) + self.failIf(math.isnan(1.)) + + def testIsinf(self): + self.assert_(math.isinf(float("inf"))) + self.assert_(math.isinf(float("-inf"))) + self.assert_(math.isinf(1E400)) + self.assert_(math.isinf(-1E400)) + self.failIf(math.isinf(float("nan"))) + self.failIf(math.isinf(0.)) + self.failIf(math.isinf(1.)) + # 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 |