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
_Q_utoq(unsigned x)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