75 lines
2.9 KiB
C
75 lines
2.9 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2004 David Schultz <das@FreeBSD.ORG>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#define __fenv_static
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#include <fenv.h>
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#ifndef __mips_soft_float
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#include <machine/fenv-fp.h>
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#endif
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#ifdef __GNUC_GNU_INLINE__
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#error "This file must be compiled with C99 'inline' semantics"
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#endif
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/*
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* Hopefully the system ID byte is immutable, so it's valid to use
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* this as a default environment.
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*/
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#ifdef __mips_soft_float
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#define __set_env(env, flags, mask, rnd) env = ((flags) \
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| (mask)<<_FPUSW_SHIFT \
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| (rnd) << 24)
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#define __env_flags(env) ((env) & FE_ALL_EXCEPT)
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#define __env_mask(env) (((env) >> _FPUSW_SHIFT) \
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& FE_ALL_EXCEPT)
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#define __env_round(env) (((env) >> 24) & _ROUND_MASK)
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#include <machine/fenv-softfloat.h>
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#endif
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extern inline int feclearexcept(int excepts);
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extern inline int fegetexceptflag(fexcept_t *flagp, int excepts);
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extern inline int fesetexceptflag(const fexcept_t *flagp, int excepts);
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extern inline int feraiseexcept(int excepts);
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extern inline int fetestexcept(int excepts);
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extern inline int fegetround(void);
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extern inline int fesetround(int rounding_mode);
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extern inline int fegetenv(fenv_t *envp);
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extern inline int feholdexcept(fenv_t *envp);
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extern inline int fesetenv(const fenv_t *envp);
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extern inline int feupdateenv(const fenv_t *envp);
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extern inline int feenableexcept(int __mask);
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extern inline int fedisableexcept(int __mask);
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extern inline int fegetexcept(void);
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