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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 ........ 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. ........ r62915 | benjamin.peterson | 2008-05-08 20:50:40 -0400 (Thu, 08 May 2008) | 2 lines reindent example ........ r62927 | georg.brandl | 2008-05-09 02:09:25 -0400 (Fri, 09 May 2008) | 2 lines #2788: add .hgignore file. ........ r62928 | georg.brandl | 2008-05-09 02:10:43 -0400 (Fri, 09 May 2008) | 2 lines #2781: fix function name. ........ 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. ........ r62930 | georg.brandl | 2008-05-09 02:26:54 -0400 (Fri, 09 May 2008) | 2 lines Add another link to colorsys docs. ........ r62931 | georg.brandl | 2008-05-09 02:36:07 -0400 (Fri, 09 May 2008) | 2 lines Add Kodos as a re reference. ........ r62932 | georg.brandl | 2008-05-09 02:39:58 -0400 (Fri, 09 May 2008) | 2 lines Add a note about using reload(). ........ 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 ........ r62934 | christian.heimes | 2008-05-09 08:19:09 -0400 (Fri, 09 May 2008) | 1 line Add --user option to build_ext ........ 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. ........ 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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@ -369,6 +369,24 @@ class MathTests(unittest.TestCase):
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self.assertEquals(math.ldexp(NINF, -213), NINF)
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self.assert_(math.isnan(math.ldexp(NAN, 0)))
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# large second argument
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for n in [10**5, 10**10, 10**20, 10**40]:
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self.assertEquals(math.ldexp(INF, -n), INF)
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self.assertEquals(math.ldexp(NINF, -n), NINF)
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self.assertEquals(math.ldexp(1., -n), 0.)
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self.assertEquals(math.ldexp(-1., -n), -0.)
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self.assertEquals(math.ldexp(0., -n), 0.)
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self.assertEquals(math.ldexp(-0., -n), -0.)
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self.assert_(math.isnan(math.ldexp(NAN, -n)))
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self.assertRaises(OverflowError, math.ldexp, 1., n)
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self.assertRaises(OverflowError, math.ldexp, -1., n)
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self.assertEquals(math.ldexp(0., n), 0.)
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self.assertEquals(math.ldexp(-0., n), -0.)
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self.assertEquals(math.ldexp(INF, n), INF)
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self.assertEquals(math.ldexp(NINF, n), NINF)
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self.assert_(math.isnan(math.ldexp(NAN, n)))
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def testLog(self):
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self.assertRaises(TypeError, math.log)
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self.ftest('log(1/e)', math.log(1/math.e), -1)
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