1 // <cfenv> -*- C++ -*- 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 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 <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
