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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24 */
25 /*
26 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
27 * Use is subject to license terms.
28 */
29
30 #pragma weak nanl = __nanl
31
32 #include "libm.h"
33
34 #if defined(__sparc)
35
36 static const union {
37 unsigned i[4];
38 long double ld;
39 } __nanl_union = { 0x7fffffff, 0xffffffff, 0xffffffff, 0xffffffff };
40
41 #elif defined(__x86)
42
43 static const union {
44 unsigned i[3];
45 long double ld;
46 } __nanl_union = { 0xffffffff, 0xffffffff, 0x7fff };
47
48 #else
49 #error Unknown architecture
50 #endif
51
52 /* ARGSUSED0 */
53 long double
__nanl(const char * c)54 __nanl(const char *c) {
55 return (__nanl_union.ld);
56 }
57