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| author | Joseph Myers <joseph@codesourcery.com> | 2015-10-06 15:14:26 +0000 |
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| committer | Joseph Myers <joseph@codesourcery.com> | 2015-10-06 15:14:26 +0000 |
| commit | d79b56892651fcfc1ae0f44d3d29d0fa03538ec1 (patch) | |
| tree | a104e632dd2f035727115b98861f3cb0191d8557 /extra-modules.mk | |
| parent | 3670da6bfb1ffd17d9bdce2d31d79656be0991b5 (diff) | |
| download | glibc-d79b56892651fcfc1ae0f44d3d29d0fa03538ec1.tar.gz glibc-d79b56892651fcfc1ae0f44d3d29d0fa03538ec1.tar.xz glibc-d79b56892651fcfc1ae0f44d3d29d0fa03538ec1.zip | |
Fix ldbl-128ibm log1pl (-1) sign of infinity (bug 19076).
The ldbl-128ibm implementation of log1pl produces an infinity with the wrong sign for log1pl (-1) in FE_DOWNWARD mode. This patch fixes this by changing a division (-1.0L / (x - x)) (incorrect in FE_DOWNWARD mode) to (-1.0L / 0.0L) (correct in all rounding modes). Tested for powerpc. [BZ #19076] * sysdeps/ieee754/ldbl-128ibm/s_log1pl.c (__log1pl): Divide by constant 0.0L when computing infinite result.
Diffstat (limited to 'extra-modules.mk')
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