libstdc++
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00001 // -*- C++ -*- compatibility header. 00002 00003 // Copyright (C) 2007, 2008, 2009, 2010 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 3, 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 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 /** @file fenv.h 00026 * This is a Standard C++ Library header. 00027 */ 00028 00029 #ifndef _GLIBCXX_FENV_H 00030 #define _GLIBCXX_FENV_H 1 00031 00032 #pragma GCC system_header 00033 00034 #include <bits/c++config.h> 00035 #if _GLIBCXX_HAVE_FENV_H 00036 # include_next <fenv.h> 00037 #endif 00038 00039 #ifdef __GXX_EXPERIMENTAL_CXX0X__ 00040 00041 #if _GLIBCXX_USE_C99_FENV_TR1 00042 00043 #undef feclearexcept 00044 #undef fegetexceptflag 00045 #undef feraiseexcept 00046 #undef fesetexceptflag 00047 #undef fetestexcept 00048 #undef fegetround 00049 #undef fesetround 00050 #undef fegetenv 00051 #undef feholdexcept 00052 #undef fesetenv 00053 #undef feupdateenv 00054 00055 namespace std 00056 { 00057 // types 00058 using ::fenv_t; 00059 using ::fexcept_t; 00060 00061 // functions 00062 using ::feclearexcept; 00063 using ::fegetexceptflag; 00064 using ::feraiseexcept; 00065 using ::fesetexceptflag; 00066 using ::fetestexcept; 00067 00068 using ::fegetround; 00069 using ::fesetround; 00070 00071 using ::fegetenv; 00072 using ::feholdexcept; 00073 using ::fesetenv; 00074 using ::feupdateenv; 00075 } // namespace 00076 00077 #endif // _GLIBCXX_USE_C99_FENV_TR1 00078 00079 #endif // __GXX_EXPERIMENTAL_CXX0X__ 00080 00081 #endif // _GLIBCXX_FENV_H