1// -*- C++ -*- compatibility header. 2 3// Copyright (C) 2007, 2008, 2009 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 fenv.h 26 * This is a Standard C++ Library header. 27 */ 28 29#ifndef _GLIBCXX_FENV_H 30#define _GLIBCXX_FENV_H 1 31 32#pragma GCC system_header 33 34#include <bits/c++config.h> 35#if _GLIBCXX_HAVE_FENV_H 36# include_next <fenv.h> 37#endif 38 39#ifdef __GXX_EXPERIMENTAL_CXX0X__ 40# if defined(_GLIBCXX_INCLUDE_AS_TR1) 41# error C++0x header cannot be included from TR1 header 42# endif 43# if defined(_GLIBCXX_INCLUDE_AS_CXX0X) 44# include <tr1_impl/cfenv> 45# else 46# define _GLIBCXX_INCLUDE_AS_CXX0X 47# define _GLIBCXX_BEGIN_NAMESPACE_TR1 48# define _GLIBCXX_END_NAMESPACE_TR1 49# define _GLIBCXX_TR1 50# include <tr1_impl/cfenv> 51# undef _GLIBCXX_TR1 52# undef _GLIBCXX_END_NAMESPACE_TR1 53# undef _GLIBCXX_BEGIN_NAMESPACE_TR1 54# undef _GLIBCXX_INCLUDE_AS_CXX0X 55# endif 56#endif 57 58#endif // _GLIBCXX_FENV_H 59