Merged revisions 60475-60479,60481-60488 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r60482 | raymond.hettinger | 2008-01-31 23:07:16 +0100 (Thu, 31 Jan 2008) | 1 line

  Minor wordsmithing on docstring
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  r60483 | mark.dickinson | 2008-01-31 23:17:37 +0100 (Thu, 31 Jan 2008) | 5 lines

  Issue #1678380.  Fix a bug that identifies 0j and -0j when they appear
  in the same code unit. The fix is essentially the same as the fix for a
  previous bug identifying 0. and -0.
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  r60484 | christian.heimes | 2008-02-01 00:08:23 +0100 (Fri, 01 Feb 2008) | 1 line

  Fixed bug #1983: Return from fork() is pid_t, not int
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  r60486 | jeffrey.yasskin | 2008-02-01 07:22:46 +0100 (Fri, 01 Feb 2008) | 4 lines

  Move __builtins__.trunc() to math.trunc() per
  http://mail.python.org/pipermail/python-dev/2008-January/076626.html and issue
  1965.
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  r60487 | jeffrey.yasskin | 2008-02-01 08:05:46 +0100 (Fri, 01 Feb 2008) | 3 lines

  Roll back r60248. It's useful to encourage users not to change Rational
  instances.
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  r60488 | neal.norwitz | 2008-02-01 08:22:59 +0100 (Fri, 01 Feb 2008) | 1 line

  Fix refleak
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This commit is contained in:
Christian Heimes 2008-02-01 08:12:03 +00:00
parent a7712090f7
commit 400adb030a
18 changed files with 598 additions and 118 deletions

View file

@ -233,6 +233,38 @@ 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 test_trunc(self):
self.assertEqual(math.trunc(1), 1)
self.assertEqual(math.trunc(-1), -1)
self.assertEqual(type(math.trunc(1)), int)
self.assertEqual(type(math.trunc(1.5)), int)
self.assertEqual(math.trunc(1.5), 1)
self.assertEqual(math.trunc(-1.5), -1)
self.assertEqual(math.trunc(1.999999), 1)
self.assertEqual(math.trunc(-1.999999), -1)
self.assertEqual(math.trunc(-0.999999), -0)
self.assertEqual(math.trunc(-100.999), -100)
class TestTrunc(object):
def __trunc__(self):
return 23
class TestNoTrunc(object):
pass
self.assertEqual(math.trunc(TestTrunc()), 23)
self.assertRaises(TypeError, math.trunc)
self.assertRaises(TypeError, math.trunc, 1, 2)
self.assertRaises(TypeError, math.trunc, TestNoTrunc())
# XXX Doesn't work because the method is looked up on
# the type only.
#t = TestNoTrunc()
#t.__trunc__ = lambda *args: args
#self.assertEquals((), math.trunc(t))
#self.assertRaises(TypeError, math.trunc, t, 0)
def testCopysign(self):
self.assertEqual(math.copysign(1, 42), 1.0)
self.assertEqual(math.copysign(0., 42), 0.0)