PowerPC: gettimeofday optimization by using IFUNC
[glibc.git] / bits / huge_valf.h
blob9b127e1f830cde481e15f41d509548393bdcc31f
1 /* Stub `HUGE_VALF' constant.
2 Used by <stdlib.h> and <math.h> functions for overflow.
3 Copyright (C) 1992, 1996, 1997, 2004 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
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.
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.
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/>. */
20 #ifndef _MATH_H
21 # error "Never use <bits/huge_valf.h> directly; include <math.h> instead."
22 #endif
24 #if __GNUC_PREREQ(3,3)
25 # define HUGE_VALF (__builtin_huge_valf())
26 #else
27 # define HUGE_VALF 1e37f
28 #endif