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Fix integer negation and absolute value to not rely

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on undefined behaviour of the C compiler anymore.
Will backport to 2.5 and 2.4.
This commit is contained in:
Martin v. Löwis 2006-10-04 05:47:34 +00:00
parent 82271f13e7
commit 820d6ac9d7
3 changed files with 7 additions and 4 deletions
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1
Lib/test/test_builtin.py
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@ -116,6 +116,7 @@ class BuiltinTest(unittest.TestCase):
self.assertEqual(abs(0), 0)
self.assertEqual(abs(1234), 1234)
self.assertEqual(abs(-1234), 1234)
self.assertTrue(abs(-sys.maxint-1) > 0)
# float
self.assertEqual(abs(0.0), 0.0)
self.assertEqual(abs(3.14), 3.14)