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| author | Joseph Myers <joseph@codesourcery.com> | 2012-07-06 21:19:38 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-07-06 21:19:38 +0000 |
| commit | 9ad63c23eabdec1b625b1217b6635f34268ca342 (patch) | |
| tree | 5a78e51fe04aaa99b1d98b489190be0c750d9ec3 /ChangeLog | |
| parent | 76b1f93b0416aae7aa4356188ad08e9216187616 (diff) | |
| download | glibc-9ad63c23eabdec1b625b1217b6635f34268ca342.tar.gz glibc-9ad63c23eabdec1b625b1217b6635f34268ca342.tar.xz glibc-9ad63c23eabdec1b625b1217b6635f34268ca342.zip | |
Fix tanf underflow close to pi/4 (bug 14154).
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 2ba450800c..b48897fc7a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,13 @@ 2012-07-06 Joseph Myers <joseph@codesourcery.com> + [BZ #14154] + * sysdeps/ieee754/flt-32/k_tanf.c (__kernel_tanf): Use linear + approximation for values within 0x1p-13f of an odd multiple of + pi/4. + * math/libm-test.inc (tan_test): Do not allow spurious underflow + exception. Add more tests. + * sysdeps/i386/fpu/libm-test-ulps: Update. + [BZ #6778] * sysdeps/i386/fpu/s_expm1.S (__expm1): Check for large negative inputs and return -1 for them. Do not check for +Inf in case not |