crypt: Remove libcrypt support
[glibc.git] / bits / fp-fast.h
bloba62a803c7a89e29d3b492cf3525e67b49ac0145c
1 /* Define FP_FAST_* macros.
2 Copyright (C) 2016-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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 <https://www.gnu.org/licenses/>. */
19 #ifndef _MATH_H
20 # error "Never use <bits/fp-fast.h> directly; include <math.h> instead."
21 #endif
23 #ifdef __USE_ISOC99
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
31 # ifdef __FP_FAST_FMAF
32 # define FP_FAST_FMAF 1
33 # endif
35 # ifdef __FP_FAST_FMAL
36 # define FP_FAST_FMAL 1
37 # endif
39 #endif