/*
 * Created on Dec 28, 2004
 *
 */
package aima.probability;

import java.util.Hashtable;

import aima.util.Util;

/**
 * @author Ravi Mohan
 *  
 */
public class EnumerateJointAsk {

	public static double[] ask(Query q, ProbabilityDistribution pd) {
		double[] probDist = new double[2];
		Hashtable<String,Boolean> h = q.getEvidenceVariables();

		//true probability
		h.put(q.getQueryVariable(), new Boolean(true));
		probDist[0] = pd.probabilityOf(h);
		//false probability
		h.put(q.getQueryVariable(), new Boolean(false));
		probDist[1] = pd.probabilityOf(h);
		return Util.normalize(probDist);

	}

	

}