Mercurial > cpython-lru_cache-weakref
changeset 57981:e484fda462a6 legacy-trunk
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.
| author | Mark Dickinson <dickinsm@gmail.com> |
|---|---|
| date | Tue, 29 Dec 2009 20:51:24 +0000 |
| parents | 7233bc34fd44 |
| children | ebd061838fb1 |
| files | Lib/test/math_testcases.txt |
| diffstat | 1 files changed, 7 insertions(+), 1 deletions(-) [+] |
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--- a/Lib/test/math_testcases.txt Tue Dec 29 20:10:16 2009 +0000 +++ b/Lib/test/math_testcases.txt Tue Dec 29 20:51:24 2009 +0000 @@ -396,8 +396,14 @@ -- extreme positive values expm10300 expm1 300 -> 1.9424263952412558e+130 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 expm10304 expm1 1000 -> inf overflow expm10305 expm1 1e50 -> inf overflow expm10306 expm1 1.79e308 -> inf overflow + +-- weaker version of expm10302 +expm10307 expm1 709.5 -> 1.3549863193146328e+308