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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_FENV_H
#define _LIBCPP_FENV_H
/*
fenv.h 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
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);
*/
#if defined(__cplusplus) && __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
# include <__cxx03/fenv.h>
#else
# include <__config>
# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
# endif
# if __has_include_next(<fenv.h>)
# include_next <fenv.h>
# endif
# ifdef __cplusplus
extern "C++" {
# ifdef feclearexcept
# undef feclearexcept
# endif
# ifdef fegetexceptflag
# undef fegetexceptflag
# endif
# ifdef feraiseexcept
# undef feraiseexcept
# endif
# ifdef fesetexceptflag
# undef fesetexceptflag
# endif
# ifdef fetestexcept
# undef fetestexcept
# endif
# ifdef fegetround
# undef fegetround
# endif
# ifdef fesetround
# undef fesetround
# endif
# ifdef fegetenv
# undef fegetenv
# endif
# ifdef feholdexcept
# undef feholdexcept
# endif
# ifdef fesetenv
# undef fesetenv
# endif
# ifdef feupdateenv
# undef feupdateenv
# endif
} // extern "C++"
# endif // defined(__cplusplus)
#endif // defined(__cplusplus) && __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
#endif // _LIBCPP_FENV_H
|
