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117 lines
1.8 KiB
C++
117 lines
1.8 KiB
C++
// -*- C++ -*-
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//===---------------------------- math.h ----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_FENV_H
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#define _LIBCPP_FENV_H
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/*
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fenv.h synopsis
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This entire header is C99 / C++0X
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Macros:
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FE_DIVBYZERO
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FE_INEXACT
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FE_INVALID
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FE_OVERFLOW
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FE_UNDERFLOW
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FE_ALL_EXCEPT
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FE_DOWNWARD
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FE_TONEAREST
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FE_TOWARDZERO
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FE_UPWARD
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FE_DFL_ENV
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Types:
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fenv_t
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fexcept_t
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int feclearexcept(int excepts);
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int fegetexceptflag(fexcept_t* flagp, int excepts);
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int feraiseexcept(int excepts);
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int fesetexceptflag(const fexcept_t* flagp, int excepts);
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int fetestexcept(int excepts);
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int fegetround();
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int fesetround(int round);
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int fegetenv(fenv_t* envp);
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int feholdexcept(fenv_t* envp);
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int fesetenv(const fenv_t* envp);
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int feupdateenv(const fenv_t* envp);
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*/
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#include <__config>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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#include_next <fenv.h>
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#ifdef __cplusplus
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extern "C++" {
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#ifdef feclearexcept
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#undef feclearexcept
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#endif
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#ifdef fegetexceptflag
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#undef fegetexceptflag
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#endif
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#ifdef feraiseexcept
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#undef feraiseexcept
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#endif
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#ifdef fesetexceptflag
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#undef fesetexceptflag
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#endif
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#ifdef fetestexcept
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#undef fetestexcept
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#endif
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#ifdef fegetround
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#undef fegetround
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#endif
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#ifdef fesetround
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#undef fesetround
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#endif
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#ifdef fegetenv
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#undef fegetenv
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#endif
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#ifdef feholdexcept
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#undef feholdexcept
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#endif
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#ifdef fesetenv
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#undef fesetenv
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#endif
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#ifdef feupdateenv
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#undef feupdateenv
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#endif
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} // extern "C++"
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#endif // defined(__cplusplus)
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#endif // _LIBCPP_FENV_H
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