Edit File: fp-fast.h
/* Define FP_FAST_* macros. Copyright (C) 2016-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. 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/fp-fast.h> directly; include <math.h> instead." #endif #ifdef __USE_ISOC99 /* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l} builtins are supported. */ # ifdef __FP_FAST_FMA # define FP_FAST_FMA 1 # endif # ifdef __FP_FAST_FMAF # define FP_FAST_FMAF 1 # endif # ifdef __FP_FAST_FMAL # define FP_FAST_FMAL 1 # endif #endif
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