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view modules/signbit @ 13837:d7a891a411c1
strtod: work around icc bug
With optimization, ICC 10.0 mis-compiles 'cond ? -val : val' such
that a val of 0.0 doesn't result in -0.0.
* lib/strtod.c (minus_zero): Define to working value.
(strtod): Use it to avoid icc bug.
Signed-off-by: Eric Blake <eblake@redhat.com>
author | Eric Blake <eblake@redhat.com> |
---|---|
date | Fri, 05 Nov 2010 08:30:27 -0600 |
parents | 0ef26bffcbe1 |
children | efab6978105e |
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Description: signbit() macro: Determine the sign bit of a floating-point number. Files: lib/signbitf.c lib/signbitd.c lib/signbitl.c lib/float+.h m4/signbit.m4 Depends-on: float math isnanf-nolibm isnand-nolibm isnanl-nolibm fpieee memcmp configure.ac: gl_SIGNBIT gl_MATH_MODULE_INDICATOR([signbit]) Makefile.am: Include: <math.h> License: LGPL Maintainer: Bruno Haible