package ac.essex.ecj.terminals; 
 
import ec.EvolutionState; 
import ac.essex.ecj.util.ERCAdapter; 
 
/** 
 * You may wonder what this is doing here. It is so the tree builder 
 * can add a single boolean type if it needs to. 
 * 
 * @author Olly Oechsle, University of Essex, Date: 18-Aug-2006 
 * @version 1.0 
 */ 
public class BooleanERC extends ERCAdapter { 
 
    public double setNumber(final EvolutionState state, final int thread) { 
        return state.random[thread].nextDouble() > 0.5 ? 1 : 0; 
    } 
 
    public String name() { 
        return "booleanERC"; 
    } 
 
}