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- /* Default `HUGE_VALL' constant.
- Used by <stdlib.h> and <math.h> functions for overflow.
- Copyright (C) 1992, 1996, 1997, 2004 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/huge_vall.h> directly; include <math.h> instead."
- #endif
- #if __GNUC_PREREQ(3,3)
- # define HUGE_VALL (__builtin_huge_vall())
- #else
- # define HUGE_VALL ((long double) HUGE_VAL)
- #endif
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