00001 // <cfenv> -*- C++ -*- 00002 00003 // Copyright (C) 2007, 2008 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 2, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // You should have received a copy of the GNU General Public License 00017 // along with this library; see the file COPYING. If not, write to 00018 // the Free Software Foundation, 51 Franklin Street, Fifth Floor, 00019 // Boston, MA 02110-1301, USA. 00020 00021 // As a special exception, you may use this file as part of a free software 00022 // library without restriction. Specifically, if other files instantiate 00023 // templates or use macros or inline functions from this file, or you compile 00024 // this file and link it with other files to produce an executable, this 00025 // file does not by itself cause the resulting executable to be covered by 00026 // the GNU General Public License. This exception does not however 00027 // invalidate any other reasons why the executable file might be covered by 00028 // the GNU General Public License. 00029 00030 /** @file include/cfenv 00031 * This is a Standard C++ Library header. 00032 */ 00033 00034 #ifndef _GLIBCXX_CFENV 00035 #define _GLIBCXX_CFENV 1 00036 00037 #pragma GCC system_header 00038 00039 #ifndef __GXX_EXPERIMENTAL_CXX0X__ 00040 # include <c++0x_warning.h> 00041 #endif 00042 00043 #if defined(_GLIBCXX_INCLUDE_AS_TR1) 00044 # error C++0x header cannot be included from TR1 header 00045 #endif 00046 00047 #include <bits/c++config.h> 00048 #if _GLIBCXX_HAVE_FENV_H 00049 # include <fenv.h> 00050 #endif 00051 00052 #if defined(_GLIBCXX_INCLUDE_AS_CXX0X) 00053 # include <tr1_impl/cfenv> 00054 #else 00055 # define _GLIBCXX_INCLUDE_AS_CXX0X 00056 # define _GLIBCXX_BEGIN_NAMESPACE_TR1 00057 # define _GLIBCXX_END_NAMESPACE_TR1 00058 # define _GLIBCXX_TR1 00059 # include <tr1_impl/cfenv> 00060 # undef _GLIBCXX_TR1 00061 # undef _GLIBCXX_END_NAMESPACE_TR1 00062 # undef _GLIBCXX_BEGIN_NAMESPACE_TR1 00063 # undef _GLIBCXX_INCLUDE_AS_CXX0X 00064 #endif 00065 00066 #endif // _GLIBCXX_CFENV