mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 13:30:06 +00:00
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* Copyright (C) 2011-2017 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
|
|
|
|
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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _MATH_H
|
|
# error "Never use <bits/mathinline.h> directly; include <math.h> instead."
|
|
#endif
|
|
|
|
#ifndef __extern_always_inline
|
|
# define __MATH_INLINE __inline
|
|
#else
|
|
# define __MATH_INLINE __extern_always_inline
|
|
#endif
|
|
|
|
|
|
#if defined __USE_ISOC99 && defined __GNUC__
|
|
|
|
/* Test for negative number. Used in the signbit() macro. */
|
|
__MATH_INLINE int
|
|
__NTH (__signbitf (float __x))
|
|
{
|
|
return __builtin_signbitf (__x);
|
|
}
|
|
__MATH_INLINE int
|
|
__NTH (__signbit (double __x))
|
|
{
|
|
return __builtin_signbit (__x);
|
|
}
|
|
|
|
#endif
|