SystemOut.print("\nwant: -4610334938753925120\n got: ");
SystemOut.print("\nwant: c004ccccc0000000\n got: ");
   f2d()      {      float  f = -2.6F;      double d = f;      //SystemOut.print("\nwant: -2.5999999046325684\n got: ");      SystemOut.print("\nwant: -4610334938753925120\n got: ");      SystemOut.println(Long.toHexString(Double.doubleToLongBits(d)));      }