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| author | Joseph Myers <joseph@codesourcery.com> | 2012-11-06 14:12:54 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-11-06 14:12:54 +0000 |
| commit | 82477c28f46c579a149a8333c07233e9f4e43408 (patch) | |
| tree | 718fb7196e880de54d4d61a79f4a8dbab9c2601e /ChangeLog | |
| parent | d7fcee3a58bd62c3b1b004f303ec345c11e44fa1 (diff) | |
| download | glibc-82477c28f46c579a149a8333c07233e9f4e43408.tar.gz glibc-82477c28f46c579a149a8333c07233e9f4e43408.tar.xz glibc-82477c28f46c579a149a8333c07233e9f4e43408.zip | |
Fix fma underflows with small x * y (bug 14793).
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 3ff693729d..04ccde0f2f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,16 @@ +2012-11-06 Joseph Myers <joseph@codesourcery.com> + + [BZ #14793] + * sysdeps/ieee754/dbl-64/s_fma.c (__fma): In case of large z + exponent and small x and y exponents, scale x or y up. Increase + by 2 the exponent used in scaling up. + * sysdeps/ieee754/ldbl-128/s_fmal.c (__fmal): Likewise. + * sysdeps/ieee754/ldbl-96/s_fmal.c (__fmal): Likewise. + * math/libm-test.inc (fma_test): Add more tests. + (fma_test_towardzero): Likewise. + (fma_test_downward): Likewise. + (fma_test_upward): Likewise. + 2012-11-05 Joseph Myers <joseph@codesourcery.com> [BZ #14805] |