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
