1*e4b17023SJohn Marino// <cfenv> -*- C++ -*- 2*e4b17023SJohn Marino 3*e4b17023SJohn Marino// Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc. 4*e4b17023SJohn Marino// 5*e4b17023SJohn Marino// This file is part of the GNU ISO C++ Library. This library is free 6*e4b17023SJohn Marino// software; you can redistribute it and/or modify it under the 7*e4b17023SJohn Marino// terms of the GNU General Public License as published by the 8*e4b17023SJohn Marino// Free Software Foundation; either version 3, or (at your option) 9*e4b17023SJohn Marino// any later version. 10*e4b17023SJohn Marino 11*e4b17023SJohn Marino// This library is distributed in the hope that it will be useful, 12*e4b17023SJohn Marino// but WITHOUT ANY WARRANTY; without even the implied warranty of 13*e4b17023SJohn Marino// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*e4b17023SJohn Marino// GNU General Public License for more details. 15*e4b17023SJohn Marino 16*e4b17023SJohn Marino// Under Section 7 of GPL version 3, you are granted additional 17*e4b17023SJohn Marino// permissions described in the GCC Runtime Library Exception, version 18*e4b17023SJohn Marino// 3.1, as published by the Free Software Foundation. 19*e4b17023SJohn Marino 20*e4b17023SJohn Marino// You should have received a copy of the GNU General Public License and 21*e4b17023SJohn Marino// a copy of the GCC Runtime Library Exception along with this program; 22*e4b17023SJohn Marino// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23*e4b17023SJohn Marino// <http://www.gnu.org/licenses/>. 24*e4b17023SJohn Marino 25*e4b17023SJohn Marino/** @file include/cfenv 26*e4b17023SJohn Marino * This is a Standard C++ Library header. 27*e4b17023SJohn Marino */ 28*e4b17023SJohn Marino 29*e4b17023SJohn Marino#ifndef _GLIBCXX_CFENV 30*e4b17023SJohn Marino#define _GLIBCXX_CFENV 1 31*e4b17023SJohn Marino 32*e4b17023SJohn Marino#pragma GCC system_header 33*e4b17023SJohn Marino 34*e4b17023SJohn Marino#ifndef __GXX_EXPERIMENTAL_CXX0X__ 35*e4b17023SJohn Marino# include <bits/c++0x_warning.h> 36*e4b17023SJohn Marino#else 37*e4b17023SJohn Marino 38*e4b17023SJohn Marino#include <bits/c++config.h> 39*e4b17023SJohn Marino 40*e4b17023SJohn Marino#if _GLIBCXX_HAVE_FENV_H 41*e4b17023SJohn Marino# include <fenv.h> 42*e4b17023SJohn Marino#endif 43*e4b17023SJohn Marino 44*e4b17023SJohn Marino#ifdef _GLIBCXX_USE_C99_FENV_TR1 45*e4b17023SJohn Marino 46*e4b17023SJohn Marino#undef feclearexcept 47*e4b17023SJohn Marino#undef fegetexceptflag 48*e4b17023SJohn Marino#undef feraiseexcept 49*e4b17023SJohn Marino#undef fesetexceptflag 50*e4b17023SJohn Marino#undef fetestexcept 51*e4b17023SJohn Marino#undef fegetround 52*e4b17023SJohn Marino#undef fesetround 53*e4b17023SJohn Marino#undef fegetenv 54*e4b17023SJohn Marino#undef feholdexcept 55*e4b17023SJohn Marino#undef fesetenv 56*e4b17023SJohn Marino#undef feupdateenv 57*e4b17023SJohn Marino 58*e4b17023SJohn Marinonamespace std 59*e4b17023SJohn Marino{ 60*e4b17023SJohn Marino // types 61*e4b17023SJohn Marino using ::fenv_t; 62*e4b17023SJohn Marino using ::fexcept_t; 63*e4b17023SJohn Marino 64*e4b17023SJohn Marino // functions 65*e4b17023SJohn Marino using ::feclearexcept; 66*e4b17023SJohn Marino using ::fegetexceptflag; 67*e4b17023SJohn Marino using ::feraiseexcept; 68*e4b17023SJohn Marino using ::fesetexceptflag; 69*e4b17023SJohn Marino using ::fetestexcept; 70*e4b17023SJohn Marino 71*e4b17023SJohn Marino using ::fegetround; 72*e4b17023SJohn Marino using ::fesetround; 73*e4b17023SJohn Marino 74*e4b17023SJohn Marino using ::fegetenv; 75*e4b17023SJohn Marino using ::feholdexcept; 76*e4b17023SJohn Marino using ::fesetenv; 77*e4b17023SJohn Marino using ::feupdateenv; 78*e4b17023SJohn Marino} // namespace std 79*e4b17023SJohn Marino 80*e4b17023SJohn Marino#endif // _GLIBCXX_USE_C99_FENV_TR1 81*e4b17023SJohn Marino 82*e4b17023SJohn Marino#endif // __GXX_EXPERIMENTAL_CXX0X__ 83*e4b17023SJohn Marino 84*e4b17023SJohn Marino#endif // _GLIBCXX_CFENV 85