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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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 @@
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)