/*- * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org> * Copyright (c) 2002 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/libc/include/fpmath.h,v 1.3 2005/02/06 03:23:31 das Exp $ */ #include <endian.h> #include "_fpmath.h" union IEEEf2bits { float f; struct { #if __BYTE_ORDER == __LITTLE_ENDIAN unsigned int man :23; unsigned int exp :8; unsigned int sign :1; #else /* _BIG_ENDIAN */ unsigned int sign :1; unsigned int exp :8; unsigned int man :23; #endif } bits; }; #define DBL_MANH_SIZE 20 #define DBL_MANL_SIZE 32 union IEEEd2bits { double d; struct { /* #ifdef __ARMEB__ */ #if (__BYTE_ORDER == __BIG_ENDIAN) || (defined(__arm__) && !defined(__VFP_FP__)) unsigned int manh :20; unsigned int exp :11; unsigned int sign :1; unsigned int manl :32; #elif __BYTE_ORDER == __LITTLE_ENDIAN unsigned int manl :32; unsigned int manh :20; unsigned int exp :11; unsigned int sign :1; #elif __BYTE_ORDER == __BIG_ENDIAN unsigned int sign :1; unsigned int exp :11; unsigned int manh :20; unsigned int manl :32; #endif } bits; };