package ac.essex.ooechs.ecj.jasmine.nodes;

import ac.essex.ooechs.ecj.ecj2java.nodes.ParseableERC;
import ec.EvolutionState;

/**
 * <p/>
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version,
 * provided that any use properly credits the author.
 * 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 General Public License for more details at http://www.gnu.org
 * </p>
 *
 * @author Olly Oechsle, University of Essex, Date: 23-Jan-2007
 * @version 1.0
 */
public class BasicERC extends ParseableERC {

    public void mutateERC(EvolutionState evolutionState, int thread) {
        // jitter within 30% of the value
        double amount = 0.3;
        double change = 1.0 + (Math.random() * amount * 2);
        value = (int) (value * change);
    }

    public double setNumber(EvolutionState state, int thread) {
        return (int) (Math.random() * 30) + 1;
    }

    public String name() {
        return "BasicERC";
    }

    public int getObjectType() {
        return DOUBLE;
    }

}