LXR uboot/post/lib_ppc/fpu/acc1.c

   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
  33GNU_FPOST_ATTR
  34
  35static double func (const double *array)
  36{
  37        double d = *array;
  38
  39        if (d == 0.0)
  40                return d;
  41        else
  42                return d + func (array + 1);
  43}
  44
  45int fpu_post_test_math5 (void)
  46{
  47        double values[] = { 0.1e-100, 1.0, -1.0, 0.0 };
  48
  49        if (func (values) != 0.1e-100) {
  50                post_log ("Error in FPU math5 test\n");
  51                return -1;
  52        }
  53        return 0;
  54}
  55
  56#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */
  57