package ac.essex.ooechs.ecj.ecj2java.example.terminals;

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

/**
 *
 * <p>
 * This is a simple ERC class that returns a number in the range
 * -5 to 5. It is an extension of the parseableERC class which demands
 * it implement two methods - setNumber() and name(), the former
 * to choose which random numbers it wants, and the second to
 * provide it with a unique name for ECJ to use.
 * </p>
 *
 * <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: 06-Sep-2006
 * @version 1.0
 */
public class Number extends ParseableERC {

    public double setNumber(final EvolutionState state, final int thread) {
        return state.random[thread].nextInt(200) - 100;
    }

    public int getObjectType() {
        return DOUBLE;
    }

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

}