| /* Copyright (C) 2011-2014 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 |
