xref: /illumos-gate/usr/src/contrib/ast/src/cmd/INIT/m6.c (revision b30d1939)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1994-2011 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                 Eclipse Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *          http://www.eclipse.org/org/documents/epl-v10.html           *
11 *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                                                                      *
19 ***********************************************************************/
20 /*
21  * -lm test #6
22  */
23 
24 #define _ISOC99_SOURCE	1
25 
26 #include <math.h>
27 
28 int
main()29 main()
30 {
31 	double	value = -0.0;
32 
33 	return !signbit(value);
34 }
35