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61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/* $NetBSD: fenv.h,v 1.2 2015/01/13 11:15:29 martin Exp $ */
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/*-
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* Copyright (c) 2014 The NetBSD Foundation, Inc.
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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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*/
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#ifndef _HPPA_FENV_H_
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#define _HPPA_FENV_H_
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#include <sys/stdint.h>
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typedef unsigned fenv_t;
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typedef unsigned fexcept_t;
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#define FE_INEXACT 0x01 /* imprecise (loss of precision) */
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#define FE_UNDERFLOW 0x02 /* underflow exception */
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#define FE_OVERFLOW 0x04 /* overflow exception */
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#define FE_DIVBYZERO 0x08 /* divide-by-zero exception */
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#define FE_INVALID 0x10 /* invalid operation exception */
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#define FE_ALL_EXCEPT 0x1f
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#define FE_TONEAREST (0) /* round to nearest representable number */
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#define FE_TOWARDZERO (1<<9) /* round to zero (truncate) */
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#define FE_UPWARD (2<<9) /* round toward positive infinity */
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#define FE_DOWNWARD (3<<9) /* round toward negative infinity */
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__BEGIN_DECLS
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/* Default floating-point environment */
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extern const fenv_t __fe_dfl_env;
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#define FE_DFL_ENV (&__fe_dfl_env)
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__END_DECLS
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#endif /* !_HPPA_FENV_H_ */
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