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/* Define __GLIBC_FLT_EVAL_METHOD.
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/flt-eval-method.h> directly; include <math.h> instead."
#endif
/* __GLIBC_FLT_EVAL_METHOD is the value of FLT_EVAL_METHOD used to
determine the evaluation method typedefs such as float_t and
double_t. It must be a value from C11 or TS 18661-3:2015, and not
-1. */
/* In the default version of this header, follow __FLT_EVAL_METHOD__.
-1 is mapped to 2 (considering evaluation as long double to be a
conservatively safe assumption), and if __FLT_EVAL_METHOD__ is not
defined then assume there is no excess precision and use the value
0. */
#ifdef __FLT_EVAL_METHOD__
# if __FLT_EVAL_METHOD__ == -1
# define __GLIBC_FLT_EVAL_METHOD 2
# else
# define __GLIBC_FLT_EVAL_METHOD __FLT_EVAL_METHOD__
# endif
#else
# define __GLIBC_FLT_EVAL_METHOD 0
#endif
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