/**
 * Grinnell's version of a thingy used to compare values.
 */
public class NumberComparator
  implements GComparator
{
  public boolean mayPrecede(Object left, Object right)
  {
    return ((Number) left).doubleValue() <= ((Number) right).doubleValue();
  } // mayPrecede(Object, Object)
} // class NumberComparator