gcc/testsuite/gcc.c-torture/execute/ieee/minuszero.c

   1 main ()
   2 {
   3   union
   4     {
   5       double d;
   6       unsigned short i[sizeof (double) / sizeof (short)];
   7     } u;
   8   int a = 0;
   9   int b = -5;
  10   int j;
  11
  12   u.d = (double) a / b;
  13
  14   /* Look for the right pattern, but be sloppy since
  15      we don't know the byte order.  */
  16   for (j = 0; j < sizeof (double) / sizeof (short); j++)
  17     {
  18       if (u.i[j] == 0x8000)
  19         exit (0);
  20     }
  21   abort ();
  22 }