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- Replaced ISO Latin 1 code #160 with a plain blank space (ASCII code #32) where necessary git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15305 87f5fb63-7c3d-0410-a384-fd976d0f7a62
118 lines
4.0 KiB
C
118 lines
4.0 KiB
C
/*
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* $Id: fenv.h,v 1.4 2006-01-08 12:06:14 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
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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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*
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* - 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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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************
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*
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* Documentation and source code for this library, and the most recent library
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* build are available from <http://sourceforge.net/projects/clib2>.
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*
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*****************************************************************************
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*/
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#ifndef _FENV_H
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#define _FENV_H
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/****************************************************************************/
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/* The following is not part of the ISO 'C' (1994) standard, but it should
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be part of ISO/IEC 9899:1999, also known as "C99". */
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/****************************************************************************/
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#ifndef _STDDEF_H
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#include <stddef.h>
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#endif /* _STDDEF_H */
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/****************************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/****************************************************************************/
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typedef int fenv_t;
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/****************************************************************************/
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#define FE_DEFL_ENV ((fenv_t *)NULL))
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/****************************************************************************/
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extern int fegetenv(fenv_t * envp);
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extern int fesetenv(fenv_t * envp);
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extern int feholdexcept(fenv_t * envp);
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extern int feupdateenv(const fenv_t * envp);
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/****************************************************************************/
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#define FE_DIVBYZERO (1<<0)
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#define FE_INEXACT (1<<1)
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#define FE_INVALID (1<<2)
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#define FE_OVERFLOW (1<<3)
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#define FE_UNDERFLOW (1<<4)
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#define FE_ALL_EXCEPT (FE_DIVBYZERO|FE_INEXACT|FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW)
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/****************************************************************************/
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typedef int fexcept_t;
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/****************************************************************************/
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extern int fegetexceptflag(fexcept_t *flagp,int excepts);
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extern int fesetexceptflag(const fexcept_t *flagp,int excepts);
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extern int fetestexcept(int excepts);
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extern int feraiseexcept(int excepts);
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extern int feclearexcept(int excepts);
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/****************************************************************************/
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#define FE_DOWNWARD 0
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#define FE_UPWARD 1
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#define FE_TONEAREST 2
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#define FE_TOWARDZERO 3
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/****************************************************************************/
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extern int fegetround(void);
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extern int fetestround(int rounds);
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/****************************************************************************/
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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/****************************************************************************/
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#endif /* _FENV_H */
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