1259698Sdim/*- 2259698Sdim * Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG> 3259698Sdim * All rights reserved. 4259698Sdim * 5259698Sdim * Redistribution and use in source and binary forms, with or without 6259698Sdim * modification, are permitted provided that the following conditions 7259698Sdim * are met: 8259698Sdim * 1. Redistributions of source code must retain the above copyright 9259698Sdim * notice, this list of conditions and the following disclaimer. 10259698Sdim * 2. Redistributions in binary form must reproduce the above copyright 11259698Sdim * notice, this list of conditions and the following disclaimer in the 12259698Sdim * documentation and/or other materials provided with the distribution. 13259698Sdim * 14259698Sdim * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15259698Sdim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16259698Sdim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29union IEEEl2bits { 30 long double e; 31 struct { 32 unsigned int manl :32; 33 unsigned int manh :32; 34 unsigned int exp :15; 35 unsigned int sign :1; 36 unsigned int junkl :16; 37 unsigned int junkh :32; 38 } bits; 39 struct { 40 unsigned long man :64; 41 unsigned int expsign :16; 42 unsigned long junk :48; 43 } xbits; 44}; 45 46#define LDBL_NBIT 0x80000000 47#define mask_nbit_l(u) ((u).bits.manh &= ~LDBL_NBIT) 48 49#define LDBL_MANH_SIZE 32 50#define LDBL_MANL_SIZE 32 51 52#define LDBL_TO_ARRAY32(u, a) do { \ 53 (a)[0] = (uint32_t)(u).bits.manl; \ 54 (a)[1] = (uint32_t)(u).bits.manh; \ 55} while (0) 56