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| author | Joseph Myers <joseph@codesourcery.com> | 2016-02-19 17:19:53 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2016-02-19 17:19:53 +0000 |
| commit | 7b428e744b1ae62c8f26b4e1db487230b796c984 (patch) | |
| tree | 7af9532337ac60aa7ffe4005e5271a294aae4758 /misc/tsearch.c | |
| parent | 59eda029a8a35e5f4e5cd7be0f84c6629e48ec6e (diff) | |
| download | glibc-7b428e744b1ae62c8f26b4e1db487230b796c984.tar.gz glibc-7b428e744b1ae62c8f26b4e1db487230b796c984.tar.xz glibc-7b428e744b1ae62c8f26b4e1db487230b796c984.zip | |
Fix ldbl-128ibm nextafterl, nexttowardl sign of zero result (bug 19678).
The ldbl-128ibm implementation of nextafterl / nexttowardl returns -0 in FE_DOWNWARD mode when taking the next value below the least positive subnormal, when it should return +0. This patch fixes it to check explicitly for this case. Tested for powerpc. [BZ #19678] * sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c (__nextafterl): Ensure +0.0 is returned when taking the next value below the least positive value.
Diffstat (limited to 'misc/tsearch.c')
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