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/* $OpenBSD: fenv.h,v 1.2 2011/05/25 21:46:49 martynas Exp $ */
/* $NetBSD: fenv.h,v 1.2.4.1 2011/02/08 16:18:55 bouyer Exp $ */
/*
* Copyright (c) 2010 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <sys/cdefs.h>
#if defined(__aarch64__) || defined(__arm__)
#include <bits/fenv_arm.h>
#elif defined(__i386__)
#include <bits/fenv_x86.h>
#elif defined(__riscv)
#include <bits/fenv_riscv64.h>
#elif defined(__x86_64__)
#include <bits/fenv_x86_64.h>
#endif
__BEGIN_DECLS
int feclearexcept(int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int fegetexceptflag(fexcept_t* _Nonnull __flag_ptr, int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int feraiseexcept(int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int fesetexceptflag(const fexcept_t* _Nonnull __flag_ptr, int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int fetestexcept(int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int fegetround(void) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int fesetround(int __rounding_mode) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int fegetenv(fenv_t* _Nonnull __env) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int feholdexcept(fenv_t* _Nonnull __env) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int fesetenv(const fenv_t* _Nonnull __env) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int feupdateenv(const fenv_t* _Nonnull __env) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int feenableexcept(int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int fedisableexcept(int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
int fegetexcept(void) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9);
/*
* The following constant represents the default floating-point environment
* (that is, the one installed at program startup) and has type pointer to
* const-qualified fenv_t.
*
* It can be used as an argument to the functions that manage the floating-point
* environment, namely fesetenv() and feupdateenv().
*/
extern const fenv_t __fe_dfl_env;
#define FE_DFL_ENV (&__fe_dfl_env)
__END_DECLS
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