/*- * Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG> * Copyright (2) 2014 The FreeBSD Foundation * 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. * * $FreeBSD$ */ union IEEEl2bits { long double e; struct { unsigned long manl :64; unsigned long manh :48; unsigned int exp :15; unsigned int sign :1; } bits; /* TODO andrew: Check the packing here */ struct { unsigned long manl :64; unsigned long manh :48; unsigned int expsign :16; } xbits; }; #define LDBL_NBIT 0 #define LDBL_IMPLICIT_NBIT #define mask_nbit_l(u) ((void)0) #define LDBL_MANH_SIZE 48 #define LDBL_MANL_SIZE 64 #define LDBL_TO_ARRAY32(u, a) do { \ (a)[0] = (uint32_t)(u).bits.manl; \ (a)[1] = (uint32_t)((u).bits.manl >> 32); \ (a)[2] = (uint32_t)(u).bits.manh; \ (a)[3] = (uint32_t)((u).bits.manh >> 32); \ } while(0) |