| 1 | /* Define FP_FAST_* macros. |
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| 2 | Copyright (C) 2016-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 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 |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #ifndef _MATH_H |
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| 20 | # error "Never use <bits/fp-fast.h> directly; include <math.h> instead." |
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| 21 | #endif |
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| 22 | |
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| 23 | #ifdef __USE_ISOC99 |
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| 24 | |
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| 25 | /* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l} |
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| 26 | builtins are supported. */ |
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| 27 | # ifdef __FP_FAST_FMA |
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| 28 | # define FP_FAST_FMA 1 |
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| 29 | # endif |
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| 30 | |
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| 31 | # ifdef __FP_FAST_FMAF |
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| 32 | # define FP_FAST_FMAF 1 |
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| 33 | # endif |
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| 34 | |
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| 35 | # ifdef __FP_FAST_FMAL |
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| 36 | # define FP_FAST_FMAL 1 |
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| 37 | # endif |
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| 38 | |
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| 39 | #endif |
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| 40 | |
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