1/* Define FP_FAST_* macros.
2 Copyright (C) 2016-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#ifndef _MATH_H
20# error "Never use <bits/fp-fast.h> directly; include <math.h> instead."
21#endif
22
23#ifdef __USE_ISOC99
24
25/* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l}
26 builtins are supported. */
27# ifdef __FP_FAST_FMA
28# define FP_FAST_FMA 1
29# endif
30
31# ifdef __FP_FAST_FMAF
32# define FP_FAST_FMAF 1
33# endif
34
35# ifdef __FP_FAST_FMAL
36# define FP_FAST_FMAL 1
37# endif
38
39#endif
40