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