xref: /openbmc/u-boot/post/lib_powerpc/fpu/acc1.c (revision 0649cd0d)
1 /*
2  * Copyright (C) 2007
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 /*
8  * This file is originally a part of the GCC testsuite.
9  */
10 
11 #include <common.h>
12 
13 #include <post.h>
14 
15 GNU_FPOST_ATTR
16 
17 #if CONFIG_POST & CONFIG_SYS_POST_FPU
18 
19 static double func (const double *array)
20 {
21 	double d = *array;
22 
23 	if (d == 0.0)
24 		return d;
25 	else
26 		return d + func (array + 1);
27 }
28 
29 int fpu_post_test_math5 (void)
30 {
31 	double values[] = { 0.1e-100, 1.0, -1.0, 0.0 };
32 
33 	if (func (values) != 0.1e-100) {
34 		post_log ("Error in FPU math5 test\n");
35 		return -1;
36 	}
37 	return 0;
38 }
39 
40 #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */
41