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Add a dtoa.c test value that triggered a bug in recent versions of 

Gay's dtoa.c (but not for current versions of Python's dtoa.c).
Thanks Rick Regan for finding and reporting this.
This commit is contained in:
Mark Dickinson 2010-11-07 10:01:46 +00:00
parent c08c9bccfc
commit baa0f0510e
1 changed files with 7 additions and 0 deletions
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7
Lib/test/test_strtod.py
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@ -387,6 +387,13 @@ class StrtodTests(unittest.TestCase):
'999999999999999944488848768742172978818416595458984375e-54',
'9999999999999999444888487687421729788184165954589843749999999e-54',
'9999999999999999444888487687421729788184165954589843750000001e-54',
# Value found by Rick Regan that gives a result of 2**-968
# under Gay's dtoa.c (as of Nov 04, 2010); since fixed.
# (Fixed some time ago in Python's dtoa.c.)
'0.0000000000000000000000000000000000000000100000000' #...
'000000000576129113423785429971690421191214034235435' #...
'087147763178149762956868991692289869941246658073194' #...
'51982237978882039897143840789794921875',
]
for s in test_strings:
self.check_strtod(s)