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Fix undue underflow in ldbl-128ibm version of expl

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This commit is contained in:
Andreas Schwab 2012-03-23 23:24:23 +01:00
parent d6a403f953
commit a3f61311c0
2 changed files with 7 additions and 2 deletions
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5
ChangeLog
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@ -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.

4
sysdeps/ieee754/ldbl-128ibm/e_expl.c
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@ -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]