mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
30 lines
1.2 KiB
C
30 lines
1.2 KiB
C
|
/* Default `HUGE_VALL' constant.
|
||
|
|
Used by <stdlib.h> and <math.h> functions for overflow.
|
||
|
|
Copyright (C) 1992, 1996, 1997, 2004 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Lesser General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public
|
||
|
|
License along with the GNU C Library; if not, write to the Free
|
||
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||
|
|
02111-1307 USA. */
|
||
|
|
|
||
|
|
#ifndef _MATH_H
|
||
|
|
# error "Never use <bits/huge_vall.h> directly; include <math.h> instead."
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if __GNUC_PREREQ(3,3)
|
||
|
|
# define HUGE_VALL (__builtin_huge_vall())
|
||
|
|
#else
|
||
|
|
# define HUGE_VALL ((long double) HUGE_VAL)
|
||
|
|
#endif
|