gcc/testsuite/gcc.c-torture/compile/conv.c

   1 double
   2 u2d (unsigned int u)
   3 {
   4   return u;
   5 }
   6
   7 double
   8 i2d (signed int i)
   9 {
  10   return i;
  11 }
  12
  13 unsigned int
  14 d2u (double d)
  15 {
  16   return d;
  17 }
  18
  19 signed int
  20 d2i (double d)
  21 {
  22   return d;
  23 }
  24
  25 int
  26 main (void)
  27 {
  28   __builtin_printf ("%lf, %lf, %lf\n", u2d (~0), u2d (1 << 31), u2d (1));
  29   __builtin_printf ("%lf, %lf, %lf\n", i2d (~0), i2d (1 << 31), i2d (1));
  30
  31   __builtin_printf ("%u, %u, %u\n",
  32                     d2u (u2d (~0)), d2u (u2d (1 << 31)), d2u (u2d (1)));
  33   __builtin_printf ("%d, %d, %d\n",
  34                     d2i (i2d (~0)), d2i (i2d (1 << 31)), d2i (i2d (1)));
  35 }