post/lib_powerpc/fpu/acc1.c

   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 */