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Issue #7575: An overflow test for math.expm1 was failing on OS X 10.4/Intel, 

due to a defect in the platform's implementation of expm1.  Since the issue
is of low severity, and appears to be fixed in OS X 10.5 and 10.6, it doesn't
seem worth working around, so I'm just weakening the relevant test so that
it passes on 10.4.
This commit is contained in:
Mark Dickinson 2009-12-29 20:51:24 +00:00
parent b4a4f5167b
commit 8e3e1d6016
1 changed files with 7 additions and 1 deletions
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8
Lib/test/math_testcases.txt
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@ -396,8 +396,14 @@ expm10215 expm1 -1.79e308 -> -1.0
-- extreme positive values -- extreme positive values
expm10300 expm1 300 -> 1.9424263952412558e+130 expm10300 expm1 300 -> 1.9424263952412558e+130
expm10301 expm1 700 -> 1.0142320547350045e+304 expm10301 expm1 700 -> 1.0142320547350045e+304
expm10302 expm1 709.78271289328393 -> 1.7976931346824240e+308 -- the next test (expm10302) is disabled because it causes failure on
-- OS X 10.4/Intel: apparently all values over 709.78 produce an
-- overflow on that platform. See issue #7575.
-- expm10302 expm1 709.78271289328393 -> 1.7976931346824240e+308
expm10303 expm1 709.78271289348402 -> inf overflow expm10303 expm1 709.78271289348402 -> inf overflow
expm10304 expm1 1000 -> inf overflow expm10304 expm1 1000 -> inf overflow
expm10305 expm1 1e50 -> inf overflow expm10305 expm1 1e50 -> inf overflow
expm10306 expm1 1.79e308 -> inf overflow expm10306 expm1 1.79e308 -> inf overflow
-- weaker version of expm10302
expm10307 expm1 709.5 -> 1.3549863193146328e+308