post/lib_powerpc/fpu/20010114-2.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2007
   4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5  */
   6 /*
   7  * This file is originally a part of the GCC testsuite.
   8  */
   9
  10 #include <common.h>
  11
  12 #include <post.h>
  13
  14 GNU_FPOST_ATTR
  15
  16 #if CONFIG_POST & CONFIG_SYS_POST_FPU
  17
  18 static float rintf (float x)
  19 {
  20         volatile float TWO23 = 8388608.0;
  21
  22         if (__builtin_fabs (x) < TWO23)
  23         {
  24                 if (x > 0.0)
  25                 {
  26                         x += TWO23;
  27                         x -= TWO23;
  28                 }
  29                 else if (x < 0.0)
  30                 {
  31                         x = TWO23 - x;
  32                         x = -(x - TWO23);
  33                 }
  34         }
  35
  36         return x;
  37 }
  38
  39 int fpu_post_test_math2 (void)
  40 {
  41         if (rintf (-1.5) != -2.0) {
  42                 post_log ("Error in FPU math2 test\n");
  43                 return -1;
  44         }
  45         return 0;
  46 }
  47
  48 #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */