From 8627a2329c5e6fc09bf9f0f070a21aca41f2b122 Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Tue, 30 Oct 2012 13:54:50 +0000 Subject: Fix fma missing underflows and bad results for some subnormal results (bugs 14152, 14783). --- ChangeLog | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'ChangeLog') diff --git a/ChangeLog b/ChangeLog index 067337a44b..912167b7bf 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,18 @@ 2012-10-30 Joseph Myers + [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. -- cgit v1.2.3