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Merged revisions 64981 via svnmerge from 

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

........
  r64981 | mark.dickinson | 2008-07-15 22:55:23 +0100 (Tue, 15 Jul 2008) | 4 lines

  Fix float.from_hex tests.  It appears that Linux/ia64 doesn't like
  computing 2.0**-1074 accurately.  Using ldexp(1.0, -1074) should be
  safer.
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This commit is contained in:
Mark Dickinson 2008-07-16 11:32:23 +00:00
parent 65fe25e597
commit 38bbc4888a
1 changed files with 4 additions and 4 deletions
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8
Lib/test/test_float.py
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@ -377,10 +377,10 @@ class HexFloatTestCase(unittest.TestCase):
self.fail('%r not identical to %r' % (x, y))
def test_ends(self):
self.identical(self.MIN, 2.**-1022)
self.identical(self.TINY, 2.**-1074)
self.identical(self.EPS, 2.**-52)
self.identical(self.MAX, 2.*(2.**1023 - 2.**970))
self.identical(self.MIN, ldexp(1.0, -1022))
self.identical(self.TINY, ldexp(1.0, -1074))
self.identical(self.EPS, ldexp(1.0, -52))
self.identical(self.MAX, 2.*(ldexp(1.0, 1023) - ldexp(1.0, 970)))
def test_invalid_inputs(self):
invalid_inputs = [