/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity).   Used by <stdlib.h> and <math.h> functions for overflow.   SH version.   Copyright (C) 1992, 95, 96, 97, 98, 99, 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_val.h> directly; include <math.h> instead."#endif/* IEEE positive infinity (-HUGE_VAL is negative infinity).  */#if __GNUC_PREREQ(3,3)# define HUGE_VAL	(__builtin_huge_val())#elif __GNUC_PREREQ(2,96)# define HUGE_VAL	(__extension__ 0x1.0p2047)#elif defined __GNUC__#  define HUGE_VAL \  (__extension__							      \   ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; })   \    { __l: 0x000000007ff00000ULL }).__d)#else /* not GCC */# include <endian.h>typedef union { unsigned char __c[8]; double __d; } __huge_val_t;# if __BYTE_ORDER == __BIG_ENDIAN#  define __HUGE_VAL_bytes	{ 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 }# endif# if __BYTE_ORDER == __LITTLE_ENDIAN#  define __HUGE_VAL_bytes	{ 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 }# endifstatic __huge_val_t __huge_val = { __HUGE_VAL_bytes };# define HUGE_VAL	(__huge_val.__d)#endif	/* GCC.  */