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| author | Joseph Myers <joseph@codesourcery.com> | 2012-10-30 13:54:50 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-10-30 13:54:50 +0000 |
| commit | 8627a2329c5e6fc09bf9f0f070a21aca41f2b122 (patch) | |
| tree | f1e7aa19f3fe1a9b3f9e403ced782c6f7d612f66 /ChangeLog | |
| parent | 2a27fd6dae3edec949deda9a55928a0e22c8a8ae (diff) | |
| download | glibc-8627a2329c5e6fc09bf9f0f070a21aca41f2b122.tar.gz glibc-8627a2329c5e6fc09bf9f0f070a21aca41f2b122.tar.xz glibc-8627a2329c5e6fc09bf9f0f070a21aca41f2b122.zip | |
Fix fma missing underflows and bad results for some subnormal results (bugs 14152, 14783).
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 067337a44b..912167b7bf 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,18 @@ 2012-10-30 Joseph Myers <joseph@codesourcery.com> + [BZ #14152] + [BZ #14783] + * sysdeps/ieee754/dbl-64/s_fma.c (__fma): Extract low bits of + result and shift together with sticky bit instead of replicating + round-to-nearest rounding. + * 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. Do not permit + missing underflow exceptions. + (fma_test_towardzero): Add more tests. + (fma_test_downward): Likewise. + (fma_test_upward): Likewise. + [BZ #14047] * sysdeps/generic/tininess.h: New file. * sysdeps/i386/tininess.h: Likewise. |