[issue7575] tes_math fails Mac OS X 10.4 due to OverflowError in test_mtestfile
Mark Dickinson
report at bugs.python.org
Thu Dec 24 20:15:51 CET 2009
Mark Dickinson <dickinsm at gmail.com> added the comment:
Thanks for that. I'd call that pretty broken then: the result of
expm1(709.78) is effectively wrong by 24.4 trillion ulps (perhaps that
should be 24.4 teraulps?). I guess someone just coded a hard cutoff value
somewhere between 709.7 and 709.78.
But since anyone getting this close to overflow is asking for trouble
anyway, perhaps the easiest solution is just to change the test to test a
value not quite as close to the overflow boundary.
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