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| author | Andreas Schwab <schwab@linux-m68k.org> | 2012-03-23 23:24:23 +0100 |
|---|---|---|
| committer | Andreas Schwab <schwab@linux-m68k.org> | 2012-03-26 14:19:35 +0200 |
| commit | a3f61311c0280da11ac79b9fc4b9b280449457bd (patch) | |
| tree | a20157cdffb0f5c3e773662263a76566d95bae1f | |
| parent | d6a403f953fe80f40761023af9a8b7824752bb32 (diff) | |
| download | glibc-a3f61311c0280da11ac79b9fc4b9b280449457bd.tar.gz glibc-a3f61311c0280da11ac79b9fc4b9b280449457bd.tar.xz glibc-a3f61311c0280da11ac79b9fc4b9b280449457bd.zip | |
Fix undue underflow in ldbl-128ibm version of expl
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/e_expl.c | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 8ec88ccedd..c1cf74a921 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2012-03-26 Andreas Schwab <schwab@linux-m68k.org> + + * sysdeps/ieee754/ldbl-128ibm/e_expl.c (lomark): Adjust to take + denormal result into account. + 2012-03-25 Roland McGrath <roland@hack.frob.com> * posix/confstr.c (confstr): Lift RESTENVS definition to function scope. diff --git a/sysdeps/ieee754/ldbl-128ibm/e_expl.c b/sysdeps/ieee754/ldbl-128ibm/e_expl.c index 133adc273a..5618eb3d0f 100644 --- a/sysdeps/ieee754/ldbl-128ibm/e_expl.c +++ b/sysdeps/ieee754/ldbl-128ibm/e_expl.c @@ -1,5 +1,5 @@ /* Quad-precision floating point e^x. - Copyright (C) 1999,2004,2006, 2008, 2011 Free Software Foundation, Inc. + Copyright (C) 1999-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jj@ultra.linux.cz> Partly based on double-precision code @@ -74,7 +74,7 @@ static const long double C[] = { /* Largest integer x for which e^x underflows. */ #define lomark C[1] --709.08956571282405153382846025171462914L, +-744.44007192138121808966388925909996033L, /* 3x2^96 */ #define THREEp96 C[2] |