1// <cfenv> -*- C++ -*- 2 3// Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 3, or (at your option) 9// any later version. 10 11// This 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 14// GNU General Public License for more details. 15 16// Under Section 7 of GPL version 3, you are granted additional 17// permissions described in the GCC Runtime Library Exception, version 18// 3.1, as published by the Free Software Foundation. 19 20// You should have received a copy of the GNU General Public License and 21// a copy of the GCC Runtime Library Exception along with this program; 22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23// <http://www.gnu.org/licenses/>. 24 25/** @file include/cfenv 26 * This is a Standard C++ Library header. 27 */ 28 29#ifndef _GLIBCXX_CFENV 30#define _GLIBCXX_CFENV 1 31 32#pragma GCC system_header 33 34#ifndef __GXX_EXPERIMENTAL_CXX0X__ 35# include <bits/c++0x_warning.h> 36#endif 37 38#if defined(_GLIBCXX_INCLUDE_AS_TR1) 39# error C++0x header cannot be included from TR1 header 40#endif 41 42#include <bits/c++config.h> 43#if _GLIBCXX_HAVE_FENV_H 44# include <fenv.h> 45#endif 46 47#if defined(_GLIBCXX_INCLUDE_AS_CXX0X) 48# include <tr1_impl/cfenv> 49#else 50# define _GLIBCXX_INCLUDE_AS_CXX0X 51# define _GLIBCXX_BEGIN_NAMESPACE_TR1 52# define _GLIBCXX_END_NAMESPACE_TR1 53# define _GLIBCXX_TR1 54# include <tr1_impl/cfenv> 55# undef _GLIBCXX_TR1 56# undef _GLIBCXX_END_NAMESPACE_TR1 57# undef _GLIBCXX_BEGIN_NAMESPACE_TR1 58# undef _GLIBCXX_INCLUDE_AS_CXX0X 59#endif 60 61#endif // _GLIBCXX_CFENV 62