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| author | Alexandre Vassalotti <alexandre@peadrop.com> | 2008-05-15 22:09:29 (GMT) |
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| committer | Alexandre Vassalotti <alexandre@peadrop.com> | 2008-05-15 22:09:29 (GMT) |
| commit | 6461e10158db1f1d41dc9449e233551b2889ebb5 (patch) | |
| tree | c1860ecebd924e489948471797e0beb81174c29b /Lib/test/test_math.py | |
| parent | b645bc7b775b85e3520a561413905a7a1c4ae11c (diff) | |
| download | cpython-6461e10158db1f1d41dc9449e233551b2889ebb5.zip cpython-6461e10158db1f1d41dc9449e233551b2889ebb5.tar.gz cpython-6461e10158db1f1d41dc9449e233551b2889ebb5.tar.bz2 | |
Merged revisions 62914-62916,62918-62919,62921-62922,62924-62942,62944-62945,62947-62949 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r62914 | skip.montanaro | 2008-05-08 20:45:00 -0400 (Thu, 08 May 2008) | 4 lines
Add an example about using NamedTemporaryFile() to replace mktemp(). I'm
unclear whether the verbatim text should have been indented or by how much.
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r62915 | benjamin.peterson | 2008-05-08 20:50:40 -0400 (Thu, 08 May 2008) | 2 lines
reindent example
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r62927 | georg.brandl | 2008-05-09 02:09:25 -0400 (Fri, 09 May 2008) | 2 lines
#2788: add .hgignore file.
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r62928 | georg.brandl | 2008-05-09 02:10:43 -0400 (Fri, 09 May 2008) | 2 lines
#2781: fix function name.
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r62929 | georg.brandl | 2008-05-09 02:18:27 -0400 (Fri, 09 May 2008) | 2 lines
Add a sentence to basicConfig() that is in the docstring.
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r62930 | georg.brandl | 2008-05-09 02:26:54 -0400 (Fri, 09 May 2008) | 2 lines
Add another link to colorsys docs.
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r62931 | georg.brandl | 2008-05-09 02:36:07 -0400 (Fri, 09 May 2008) | 2 lines
Add Kodos as a re reference.
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r62932 | georg.brandl | 2008-05-09 02:39:58 -0400 (Fri, 09 May 2008) | 2 lines
Add a note about using reload().
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r62933 | andrew.kuchling | 2008-05-09 07:46:05 -0400 (Fri, 09 May 2008) | 3 lines
Update planned release date.
Uncomment PEP 370 section.
Add some module items
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r62934 | christian.heimes | 2008-05-09 08:19:09 -0400 (Fri, 09 May 2008) | 1 line
Add --user option to build_ext
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r62948 | mark.dickinson | 2008-05-09 13:54:23 -0400 (Fri, 09 May 2008) | 3 lines
Issue #2487. math.ldexp(x, n) raised OverflowError when n was large and
negative; fix to return an (appropriately signed) zero instead.
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r62949 | martin.v.loewis | 2008-05-09 14:21:55 -0400 (Fri, 09 May 2008) | 1 line
Use the CHM file name that Sphinx assigns.
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Diffstat (limited to 'Lib/test/test_math.py')
| -rw-r--r-- | Lib/test/test_math.py | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Lib/test/test_math.py b/Lib/test/test_math.py index 379ff89..ff8db7c 100644 --- a/Lib/test/test_math.py +++ b/Lib/test/test_math.py @@ -369,6 +369,24 @@ class MathTests(unittest.TestCase): self.assertEquals(math.ldexp(NINF, -213), NINF) self.assert_(math.isnan(math.ldexp(NAN, 0))) + # large second argument + for n in [10**5, 10**10, 10**20, 10**40]: + self.assertEquals(math.ldexp(INF, -n), INF) + self.assertEquals(math.ldexp(NINF, -n), NINF) + self.assertEquals(math.ldexp(1., -n), 0.) + self.assertEquals(math.ldexp(-1., -n), -0.) + self.assertEquals(math.ldexp(0., -n), 0.) + self.assertEquals(math.ldexp(-0., -n), -0.) + self.assert_(math.isnan(math.ldexp(NAN, -n))) + + self.assertRaises(OverflowError, math.ldexp, 1., n) + self.assertRaises(OverflowError, math.ldexp, -1., n) + self.assertEquals(math.ldexp(0., n), 0.) + self.assertEquals(math.ldexp(-0., n), -0.) + self.assertEquals(math.ldexp(INF, n), INF) + self.assertEquals(math.ldexp(NINF, n), NINF) + self.assert_(math.isnan(math.ldexp(NAN, n))) + def testLog(self): self.assertRaises(TypeError, math.log) self.ftest('log(1/e)', math.log(1/math.e), -1) |