blob: a49a685d74bf22ef2b9d34a177f9e9305ab825c8 [file] [log] [blame]
lh9ed821d2023-04-07 01:36:19 -07001/* Stub `HUGE_VAL' constant.
2 Used by <stdlib.h> and <math.h> functions for overflow.
3 Copyright (C) 1992-2015 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
19
20#ifndef _MATH_H
21# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
22#endif
23
24#if __GNUC_PREREQ(3,3)
25# define HUGE_VAL (__builtin_huge_val())
26#else
27# define HUGE_VAL 1e37
28#endif