/* `HUGE_VALL' constant for ia64 (where it is infinity).   Used by <stdlib.h> and <math.h> functions for overflow.   Copyright (C) 2000, 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, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#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())#elif __GNUC_PREREQ(2,96)# define HUGE_VALL	(__extension__ 0x1.0p32767L)#else# define __HUGE_VALL_bytes	{ 0,0,0,0,0,0,0, 0x80, 0xff, 0x7f, 0,0,0,0,0,0}# define __huge_vall_t	union { unsigned char __c[16]; long double __ld; }# ifdef __GNUC__#  define HUGE_VALL	(__extension__ \			 ((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)# else	/* Not GCC.  */static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };#  define HUGE_VALL	(__huge_vall.__ld)# endif /* GCC.  */#endif /* GCC 2.95 */