public static retim.Calculator unchecked_narrow(final org.omg.CORBA.Object obj)
	{
		if (obj == null)
			return null;
		try
		{
			return (retim.Calculator)obj;
		}
		catch (ClassCastException c)
		{
				retim._CalculatorStub stub;
				stub = new retim._CalculatorStub();
				stub._set_delegate(((org.omg.CORBA.portable.ObjectImpl)obj)._get_delegate());
				return stub;
		}
	}