/*
 * Encog(tm) Core v3.2 - Java Version
 * http://www.heatonresearch.com/encog/
 * https://github.com/encog/encog-java-core
 
 * Copyright 2008-2013 Heaton Research, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *   
 * For more information on Heaton Research copyrights, licenses 
 * and trademarks visit:
 * http://www.heatonresearch.com/copyright
 */
package org.encog.ca.program.generic;

import java.io.Serializable;

import org.encog.ca.universe.ContinuousCell;
import org.encog.ca.universe.UniverseCell;
import org.encog.ca.universe.UniverseCellFactory;

public class Trans implements Comparable<Trans>, Serializable {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private final double limit;
	private final UniverseCell add1;
	private final UniverseCell mult;
	private final UniverseCell add2;
	private final UniverseCellFactory factory;

	public Trans(UniverseCellFactory theFactory, int index, double[] d) {
		this.factory = theFactory;
		int i = index;
		this.limit = d[i++];
		this.add1 = this.factory.factor();
		this.add1.set(i, d);
		i += this.factory.size();
		this.mult = this.factory.factor();
		this.mult.set(i, d);
		i += this.factory.size();
		this.add2 = this.factory.factor();
		this.add2.set(i, d);
	}

	@Override
	public int compareTo(Trans o) {
		return Double.compare(this.limit, o.limit);
	}

	public double getLimit() {
		return limit;
	}

	public UniverseCell getAdd1() {
		return add1;
	}

	public UniverseCell getMult() {
		return mult;
	}

	public UniverseCell getAdd2() {
		return add2;
	}

	public UniverseCell calculate(UniverseCell x) {
		UniverseCell result = this.factory.factor();
		((ContinuousCell)result).add(x);
		((ContinuousCell)result).add(add1);
		((ContinuousCell)result).multiply(mult);
		((ContinuousCell)result).add(add2);
		return result;
	}
	
	public String toString() {
		StringBuilder result = new StringBuilder();
		result.append("[Trans: limit=");
		result.append(this.limit);
		result.append("]");
		return result.toString();
	}
}
