1  #define DD 2410065408
       2  
       3  unsigned
       4  foo (d)
       5       double d;
       6  {
       7    return d;
       8  }
       9  
      10  #if foobar
      11  
      12  main ()
      13  {
      14  #if bar
      15    unsigned u = DD;
      16    double d = (double) u;
      17  #else
      18    double d = (double) DD;
      19  #endif
      20    printf ("%u = %u = %lf\n", foo ((double) DD), foo (d), d);
      21  }
      22  #else
      23  
      24  main ()
      25  {
      26    printf ("%lf\n", (double) ((unsigned) DD));
      27    foo ((double) DD);
      28  }
      29  #endif