/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.operator.ports.metadata;
/**
 * @author Simon Fischer
 */
public class MDReal extends MDNumber<Double> {

	private static final long serialVersionUID = 1L;

	public MDReal() {
		super();
	}

	public MDReal(Double number) {
		super(number);
	}

	public MDReal(MDReal real) {
		super(real);
	}

	@Override
	public MDReal add(Double add) {
		setNumber(getNumber() + add);
		return this;
	}
	
	@Override
	public MDReal multiply(double factor) {
		Double current = getNumber();
		if (current != null) {
			setNumber(current * factor);
		}
		return this;
	}

	@Override
	public MDReal copy() {
		return new MDReal(this);
	}

}