1*38fd1498Szrj// <cfenv> -*- C++ -*- 2*38fd1498Szrj 3*38fd1498Szrj// Copyright (C) 2007-2018 Free Software Foundation, Inc. 4*38fd1498Szrj// 5*38fd1498Szrj// This file is part of the GNU ISO C++ Library. This library is free 6*38fd1498Szrj// software; you can redistribute it and/or modify it under the 7*38fd1498Szrj// terms of the GNU General Public License as published by the 8*38fd1498Szrj// Free Software Foundation; either version 3, or (at your option) 9*38fd1498Szrj// any later version. 10*38fd1498Szrj 11*38fd1498Szrj// This library is distributed in the hope that it will be useful, 12*38fd1498Szrj// but WITHOUT ANY WARRANTY; without even the implied warranty of 13*38fd1498Szrj// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*38fd1498Szrj// GNU General Public License for more details. 15*38fd1498Szrj 16*38fd1498Szrj// Under Section 7 of GPL version 3, you are granted additional 17*38fd1498Szrj// permissions described in the GCC Runtime Library Exception, version 18*38fd1498Szrj// 3.1, as published by the Free Software Foundation. 19*38fd1498Szrj 20*38fd1498Szrj// You should have received a copy of the GNU General Public License and 21*38fd1498Szrj// a copy of the GCC Runtime Library Exception along with this program; 22*38fd1498Szrj// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23*38fd1498Szrj// <http://www.gnu.org/licenses/>. 24*38fd1498Szrj 25*38fd1498Szrj/** @file include/cfenv 26*38fd1498Szrj * This is a Standard C++ Library header. 27*38fd1498Szrj */ 28*38fd1498Szrj 29*38fd1498Szrj#ifndef _GLIBCXX_CFENV 30*38fd1498Szrj#define _GLIBCXX_CFENV 1 31*38fd1498Szrj 32*38fd1498Szrj#pragma GCC system_header 33*38fd1498Szrj 34*38fd1498Szrj#if __cplusplus < 201103L 35*38fd1498Szrj# include <bits/c++0x_warning.h> 36*38fd1498Szrj#else 37*38fd1498Szrj 38*38fd1498Szrj#include <bits/c++config.h> 39*38fd1498Szrj 40*38fd1498Szrj#if _GLIBCXX_HAVE_FENV_H 41*38fd1498Szrj# include <fenv.h> 42*38fd1498Szrj#endif 43*38fd1498Szrj 44*38fd1498Szrj#ifdef _GLIBCXX_USE_C99_FENV_TR1 45*38fd1498Szrj 46*38fd1498Szrj#undef feclearexcept 47*38fd1498Szrj#undef fegetexceptflag 48*38fd1498Szrj#undef feraiseexcept 49*38fd1498Szrj#undef fesetexceptflag 50*38fd1498Szrj#undef fetestexcept 51*38fd1498Szrj#undef fegetround 52*38fd1498Szrj#undef fesetround 53*38fd1498Szrj#undef fegetenv 54*38fd1498Szrj#undef feholdexcept 55*38fd1498Szrj#undef fesetenv 56*38fd1498Szrj#undef feupdateenv 57*38fd1498Szrj 58*38fd1498Szrjnamespace std 59*38fd1498Szrj{ 60*38fd1498Szrj // types 61*38fd1498Szrj using ::fenv_t; 62*38fd1498Szrj using ::fexcept_t; 63*38fd1498Szrj 64*38fd1498Szrj // functions 65*38fd1498Szrj using ::feclearexcept; 66*38fd1498Szrj using ::fegetexceptflag; 67*38fd1498Szrj using ::feraiseexcept; 68*38fd1498Szrj using ::fesetexceptflag; 69*38fd1498Szrj using ::fetestexcept; 70*38fd1498Szrj 71*38fd1498Szrj using ::fegetround; 72*38fd1498Szrj using ::fesetround; 73*38fd1498Szrj 74*38fd1498Szrj using ::fegetenv; 75*38fd1498Szrj using ::feholdexcept; 76*38fd1498Szrj using ::fesetenv; 77*38fd1498Szrj using ::feupdateenv; 78*38fd1498Szrj} // namespace std 79*38fd1498Szrj 80*38fd1498Szrj#endif // _GLIBCXX_USE_C99_FENV_TR1 81*38fd1498Szrj 82*38fd1498Szrj#endif // C++11 83*38fd1498Szrj 84*38fd1498Szrj#endif // _GLIBCXX_CFENV 85