1*700637cbSDimitry Andric// -*- C++ -*- 2*700637cbSDimitry Andric//===----------------------------------------------------------------------===// 3*700637cbSDimitry Andric// 4*700637cbSDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5*700637cbSDimitry Andric// See https://llvm.org/LICENSE.txt for license information. 6*700637cbSDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7*700637cbSDimitry Andric// 8*700637cbSDimitry Andric//===----------------------------------------------------------------------===// 9*700637cbSDimitry Andric 10*700637cbSDimitry Andric#ifndef _LIBCPP___CXX03_CFENV 11*700637cbSDimitry Andric#define _LIBCPP___CXX03_CFENV 12*700637cbSDimitry Andric 13*700637cbSDimitry Andric/* 14*700637cbSDimitry Andric cfenv synopsis 15*700637cbSDimitry Andric 16*700637cbSDimitry AndricThis entire header is C99 / C++0X 17*700637cbSDimitry Andric 18*700637cbSDimitry AndricMacros: 19*700637cbSDimitry Andric 20*700637cbSDimitry Andric FE_DIVBYZERO 21*700637cbSDimitry Andric FE_INEXACT 22*700637cbSDimitry Andric FE_INVALID 23*700637cbSDimitry Andric FE_OVERFLOW 24*700637cbSDimitry Andric FE_UNDERFLOW 25*700637cbSDimitry Andric FE_ALL_EXCEPT 26*700637cbSDimitry Andric FE_DOWNWARD 27*700637cbSDimitry Andric FE_TONEAREST 28*700637cbSDimitry Andric FE_TOWARDZERO 29*700637cbSDimitry Andric FE_UPWARD 30*700637cbSDimitry Andric FE_DFL_ENV 31*700637cbSDimitry Andric 32*700637cbSDimitry Andricnamespace std 33*700637cbSDimitry Andric{ 34*700637cbSDimitry Andric 35*700637cbSDimitry AndricTypes: 36*700637cbSDimitry Andric 37*700637cbSDimitry Andric fenv_t 38*700637cbSDimitry Andric fexcept_t 39*700637cbSDimitry Andric 40*700637cbSDimitry Andricint feclearexcept(int excepts); 41*700637cbSDimitry Andricint fegetexceptflag(fexcept_t* flagp, int excepts); 42*700637cbSDimitry Andricint feraiseexcept(int excepts); 43*700637cbSDimitry Andricint fesetexceptflag(const fexcept_t* flagp, int excepts); 44*700637cbSDimitry Andricint fetestexcept(int excepts); 45*700637cbSDimitry Andricint fegetround(); 46*700637cbSDimitry Andricint fesetround(int round); 47*700637cbSDimitry Andricint fegetenv(fenv_t* envp); 48*700637cbSDimitry Andricint feholdexcept(fenv_t* envp); 49*700637cbSDimitry Andricint fesetenv(const fenv_t* envp); 50*700637cbSDimitry Andricint feupdateenv(const fenv_t* envp); 51*700637cbSDimitry Andric 52*700637cbSDimitry Andric} // std 53*700637cbSDimitry Andric*/ 54*700637cbSDimitry Andric 55*700637cbSDimitry Andric#include <__cxx03/__config> 56*700637cbSDimitry Andric 57*700637cbSDimitry Andric#include <__cxx03/fenv.h> 58*700637cbSDimitry Andric 59*700637cbSDimitry Andric#ifndef _LIBCPP___CXX03_FENV_H 60*700637cbSDimitry Andric# error <cfenv> tried including <fenv.h> but didn't find libc++'s <fenv.h> header. \ 61*700637cbSDimitry Andric This usually means that your header search paths are not configured properly. \ 62*700637cbSDimitry Andric The header search paths should contain the C++ Standard Library headers before \ 63*700637cbSDimitry Andric any C Standard Library, and you are probably using compiler flags that make that \ 64*700637cbSDimitry Andric not be the case. 65*700637cbSDimitry Andric#endif 66*700637cbSDimitry Andric 67*700637cbSDimitry Andric#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 68*700637cbSDimitry Andric# pragma GCC system_header 69*700637cbSDimitry Andric#endif 70*700637cbSDimitry Andric 71*700637cbSDimitry Andric_LIBCPP_BEGIN_NAMESPACE_STD 72*700637cbSDimitry Andric 73*700637cbSDimitry Andricusing ::fenv_t _LIBCPP_USING_IF_EXISTS; 74*700637cbSDimitry Andricusing ::fexcept_t _LIBCPP_USING_IF_EXISTS; 75*700637cbSDimitry Andric 76*700637cbSDimitry Andricusing ::feclearexcept _LIBCPP_USING_IF_EXISTS; 77*700637cbSDimitry Andricusing ::fegetexceptflag _LIBCPP_USING_IF_EXISTS; 78*700637cbSDimitry Andricusing ::feraiseexcept _LIBCPP_USING_IF_EXISTS; 79*700637cbSDimitry Andricusing ::fesetexceptflag _LIBCPP_USING_IF_EXISTS; 80*700637cbSDimitry Andricusing ::fetestexcept _LIBCPP_USING_IF_EXISTS; 81*700637cbSDimitry Andricusing ::fegetround _LIBCPP_USING_IF_EXISTS; 82*700637cbSDimitry Andricusing ::fesetround _LIBCPP_USING_IF_EXISTS; 83*700637cbSDimitry Andricusing ::fegetenv _LIBCPP_USING_IF_EXISTS; 84*700637cbSDimitry Andricusing ::feholdexcept _LIBCPP_USING_IF_EXISTS; 85*700637cbSDimitry Andricusing ::fesetenv _LIBCPP_USING_IF_EXISTS; 86*700637cbSDimitry Andricusing ::feupdateenv _LIBCPP_USING_IF_EXISTS; 87*700637cbSDimitry Andric 88*700637cbSDimitry Andric_LIBCPP_END_NAMESPACE_STD 89*700637cbSDimitry Andric 90*700637cbSDimitry Andric#endif // _LIBCPP___CXX03_CFENV 91