1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1988 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include "_Qquad.h" 30 #include "_Qglobals.h" 31 32 QUAD 33 _Q_utoq(unsigned x) 34 { 35 unpacked px; 36 QUAD q,c; 37 int *pc =(int*)&c; 38 pc[0] = 0x401e0000; pc[1]=pc[2]=pc[3]=0; /* pc = 2^31 */ 39 if((x&0x80000000)!=0) { 40 x ^= 0x80000000; 41 _fp_unpack(&px, (int *)&x,fp_op_integer); 42 _fp_pack(&px, (int *)&q,fp_op_extended); 43 q = _Q_add(q,c); 44 } else { 45 _fp_unpack(&px, (int *)&x,fp_op_integer); 46 _fp_pack(&px, (int *)&q,fp_op_extended); 47 } 48 return (q); 49 } 50