diff options
Diffstat (limited to 'post/cpu/complex.c')
-rw-r--r-- | post/cpu/complex.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/post/cpu/complex.c b/post/cpu/complex.c deleted file mode 100644 index 033584b..0000000 --- a/post/cpu/complex.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> - -/* - * CPU test - * Complex calculations - * - * The calculations in this test are just a combination of simpler - * calculations, but probably under different timing conditions, etc. - */ - -#ifdef CONFIG_POST - -#include <post.h> -#include "cpu_asm.h" - -#if CONFIG_POST & CFG_POST_CPU - -extern int cpu_post_complex_1_asm (int a1, int a2, int a3, int a4, int n); -extern int cpu_post_complex_2_asm (int x, int n); - - /* - * n - * SUM (a1 * a2 - a3) / a4 = n * result - * i=1 - */ -static int cpu_post_test_complex_1 (void) -{ - int a1 = 666; - int a2 = 667; - int a3 = 668; - int a4 = 66; - int n = 100; - int result = 6720; /* (a1 * a2 - a3) / a4 */ - - if (cpu_post_complex_1_asm(a1, a2, a3, a4, n) != n * result) - { - return -1; - } - - return 0; -} - - /* (1 + x + x^2 + ... + x^n) * (1 - x) = 1 - x^(n+1) - */ -static int cpu_post_test_complex_2 (void) -{ - int ret = -1; - int x; - int n; - int k; - int left; - int right; - - for (x = -8; x <= 8; x ++) - { - n = 9; - - left = cpu_post_complex_2_asm(x, n); - left *= 1 - x; - - right = 1; - for (k = 0; k <= n; k ++) - { - right *= x; - } - right = 1 - right; - - if (left != right) - { - goto Done; - } - } - - ret = 0; - Done: - - return ret; -} - -int cpu_post_test_complex (void) -{ - int ret = 0; - - if (ret == 0) - { - ret = cpu_post_test_complex_1(); - } - - if (ret == 0) - { - ret = cpu_post_test_complex_2(); - } - - if (ret != 0) - { - post_log ("Error at complex test !\n"); - } - - return ret; -} - -#endif -#endif |