/*-
* Copyright ( c ) 2004 - 2005 David Schultz < das @ FreeBSD . ORG >
* 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 AUTHOR 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 AUTHOR 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 .
*
* $ FreeBSD : src / lib / msun / i387 / fenv . h , v 1 . 4 2005 / 03 / 17 22 : 21 : 46 das Exp $
*/
#pragma once
#include <sys/types.h>
__BEGIN_DECLS
/*
* To preserve binary compatibility with FreeBSD 5 . 3 , we pack the
* mxcsr into some reserved fields , rather than changing sizeof ( fenv_t ) .
*/
typedef struct {
__uint16_t __control;
__uint16_t __mxcsr_hi;
__uint16_t __status;
__uint16_t __mxcsr_lo;
__uint32_t __tag;
char __other[16 ];
} fenv_t;
typedef __uint16_t fexcept_t;
/* Exception flags */
#define FE_INVALID 0 x01
#define FE_DENORMAL 0 x02
#define FE_DIVBYZERO 0 x04
#define FE_OVERFLOW 0 x08
#define FE_UNDERFLOW 0 x10
#define FE_INEXACT 0 x20
#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_DENORMAL | FE_INEXACT | \
FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
/* Rounding modes */
#define FE_TONEAREST 0 x0000
#define FE_DOWNWARD 0 x0400
#define FE_UPWARD 0 x0800
#define FE_TOWARDZERO 0 x0c00
__END_DECLS
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