sl@0: /*-
sl@0:  * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org>
sl@0:  * Copyright (c) 2002 David Schultz <das@FreeBSD.ORG>
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  *
sl@0:  * $FreeBSD: src/lib/libc/include/fpmath.h,v 1.3 2005/02/06 03:23:31 das Exp $
sl@0:  */
sl@0: 
sl@0: #include <sys/endian.h>
sl@0: #include "_fpmath.h"
sl@0: 
sl@0: union IEEEf2bits {
sl@0: 	float	f;
sl@0: 	struct {
sl@0: #if _BYTE_ORDER == _LITTLE_ENDIAN
sl@0: 		unsigned int	man	:23;
sl@0: 		unsigned int	exp	:8;
sl@0: 		unsigned int	sign	:1;
sl@0: #else /* _BIG_ENDIAN */
sl@0: 		unsigned int	sign	:1;
sl@0: 		unsigned int	exp	:8;
sl@0: 		unsigned int	man	:23;
sl@0: #endif
sl@0: 	} bits;
sl@0: };
sl@0: 
sl@0: #define	DBL_MANH_SIZE	20
sl@0: #define	DBL_MANL_SIZE	32
sl@0: 
sl@0: union IEEEd2bits {
sl@0: 	double	d;
sl@0: 	struct {
sl@0: #if _BYTE_ORDER == _LITTLE_ENDIAN
sl@0: 		unsigned int	manl	:32;
sl@0: 		unsigned int	manh	:20;
sl@0: 		unsigned int	exp	:11;
sl@0: 		unsigned int	sign	:1;
sl@0: #else /* _BIG_ENDIAN */
sl@0: 		unsigned int	sign	:1;
sl@0: 		unsigned int	exp	:11;
sl@0: 		unsigned int	manh	:20;
sl@0: 		unsigned int	manl	:32;
sl@0: #endif
sl@0: 	} bits;
sl@0: };