gcc/testsuite/gcc.c-torture/execute/ieee/980619-1.c

   1         void abort (void);
   2         void exit (int);
   3
   4         int main(void)
   5         {
   6                 float reale = 1.0f;
   7                 float oneplus;
   8                 int i;
   9
  10                 if (sizeof (float) != 4)
  11                   exit (0);
  12
  13                 for (i = 0; ; i++)
  14                 {
  15                         oneplus = 1.0f + reale;
  16                         if (oneplus == 1.0f)
  17                                 break;
  18                         reale=reale/2.0f;
  19                 }
  20                 /* Assumes ieee754 accurate arithmetic above.  */
  21                 if (i != 24)
  22                   abort ();
  23                 else
  24                   exit (0);
  25         }
  26