You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
2.3 KiB
67 lines
2.3 KiB
/*-
|
|
* 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 0x01
|
|
#define FE_DENORMAL 0x02
|
|
#define FE_DIVBYZERO 0x04
|
|
#define FE_OVERFLOW 0x08
|
|
#define FE_UNDERFLOW 0x10
|
|
#define FE_INEXACT 0x20
|
|
#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_DENORMAL | FE_INEXACT | \
|
|
FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
|
|
|
|
/* Rounding modes */
|
|
#define FE_TONEAREST 0x0000
|
|
#define FE_DOWNWARD 0x0400
|
|
#define FE_UPWARD 0x0800
|
|
#define FE_TOWARDZERO 0x0c00
|
|
|
|
__END_DECLS
|