public NumberRangeModel(Number lo,Number hi,Number min,Number max){
  m_type=TypeLib.getPrimitiveType(min.getClass());
  setValueRange(lo,hi,min,max);
}

public NumberRangeModel ( Number lo , Number hi , Number min , Number max ) { m_type = TypeLib . getPrimitiveType ( min . getClass ( ) ) ; setValueRange ( lo , hi , min , max ) ; }
create a new numberrangemodel for the given range .
