1 /*
2  * Copyright (C) 2007
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 /*
24  * This file is originally a part of the GCC testsuite.
25  */
26 
27 #include <common.h>
28 
29 #include <post.h>
30 
31 #if CONFIG_POST & CONFIG_SYS_POST_FPU
32 
33 GNU_FPOST_ATTR
34 
35 int fpu_post_test_math1 (void)
36 {
37 	volatile double a, *p;
38 	double c, d;
39 	volatile double b;
40 
41 	d = 1.0;
42 	p = &b;
43 
44 	do
45 	{
46 		c = d;
47 		d = c * 0.5;
48 		b = 1 + d;
49 	} while (b != 1.0);
50 
51 	a = 1.0 + c;
52 
53 	if (a == 1.0) {
54 		post_log ("Error in FPU math1 test\n");
55 		return -1;
56 	}
57 
58 	return 0;
59 }
60 
61 #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */
62