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f11e220d | 1 | /* Define FP_FAST_* macros. |
04277e02 | 2 | Copyright (C) 2016-2019 Free Software Foundation, Inc. |
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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 | |
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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. | |
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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 | |
3214b89b | 13 | Lesser General Public License for more details. |
f549254a | 14 | |
3214b89b | 15 | You should have received a copy of the GNU Lesser General Public |
f11e220d | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
f549254a | 18 | |
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19 | #ifndef _MATH_H |
20 | # error "Never use <bits/fp-fast.h> directly; include <math.h> instead." | |
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21 | #endif |
22 | ||
f11e220d | 23 | #ifdef __USE_ISOC99 |
f549254a | 24 | |
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25 | /* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l} |
26 | builtins are supported. */ | |
fdf4534d | 27 | # ifdef __FP_FAST_FMA |
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28 | # define FP_FAST_FMA 1 |
29 | # endif | |
30 | ||
fdf4534d | 31 | # ifdef __FP_FAST_FMAF |
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32 | # define FP_FAST_FMAF 1 |
33 | # endif | |
34 | ||
fdf4534d | 35 | # ifdef __FP_FAST_FMAL |
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36 | # define FP_FAST_FMAL 1 |
37 | # endif | |
38 | ||
f549254a | 39 | #endif |