llvm-project/libcxx/include/cfenv

// -*- C++ -*-
//===---------------------------- cfenv -----------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP_CFENV
#define _LIBCPP_CFENV

/*
    cfenv synopsis

This entire header is C99 / C++0X

Macros:

    FE_DIVBYZERO
    FE_INEXACT
    FE_INVALID
    FE_OVERFLOW
    FE_UNDERFLOW
    FE_ALL_EXCEPT
    FE_DOWNWARD
    FE_TONEAREST
    FE_TOWARDZERO
    FE_UPWARD
    FE_DFL_ENV

namespace std
{

Types:

    fenv_t
    fexcept_t

int feclearexcept(int excepts);
int fegetexceptflag(fexcept_t* flagp, int excepts);
int feraiseexcept(int excepts);
int fesetexceptflag(const fexcept_t* flagp, int excepts);
int fetestexcept(int excepts);
int fegetround();
int fesetround(int round);
int fegetenv(fenv_t* envp);
int feholdexcept(fenv_t* envp);
int fesetenv(const fenv_t* envp);
int feupdateenv(const fenv_t* envp);

}  // std
*/

#include <__config>
#include <fenv.h>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif

_LIBCPP_BEGIN_NAMESPACE_STD

using ::fenv_t;
using ::fexcept_t;

using ::feclearexcept;
using ::fegetexceptflag;
using ::feraiseexcept;
using ::fesetexceptflag;
using ::fetestexcept;
using ::fegetround;
using ::fesetround;
using ::fegetenv;
using ::feholdexcept;
using ::fesetenv;
using ::feupdateenv;

_LIBCPP_END_NAMESPACE_STD

#endif  // _LIBCPP_CFENV