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| author | Joseph Myers <joseph@codesourcery.com> | 2015-07-01 22:27:49 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2015-07-01 22:27:49 +0000 |
| commit | a04bb3306a9f9f17e5c588c903a438f1182ecd1a (patch) | |
| tree | 41ea8bb67309f76a21a4269fd384518fee2cf000 /ChangeLog.9 | |
| parent | ed225df3ad9cbac3c22ec3f0fbbed1f9c61d1c54 (diff) | |
| download | glibc-a04bb3306a9f9f17e5c588c903a438f1182ecd1a.tar.gz glibc-a04bb3306a9f9f17e5c588c903a438f1182ecd1a.tar.xz glibc-a04bb3306a9f9f17e5c588c903a438f1182ecd1a.zip | |
Fix ldbl-128 expm1l (-min_subnorm) result sign (bug 18619).
In the ldbl-128 implementation of expm1l, when expm1l's result should underflow to 0 (argument minus the least subnormal, in some rounding modes), it can be a zero of the wrong sign. This patch fixes this in the same way previously used for the x86 / x86_64 versions. Tested for mips64. [BZ #18619] * sysdeps/ieee754/ldbl-128/s_expm1l.c (__expm1l): Force underflow and return argument in case of subnormal argument.
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