/*
 * Created on Aug 6, 2005
 *
 */
package aima.util;

import aima.probability.JavaRandomizer;
import aima.probability.Randomizer;

public class RangeRandomizer implements Randomizer {

	private double lower;
	private double upper;
	private JavaRandomizer random;
	public RangeRandomizer(double lower, double upper){
		this.lower = lower;
		this.upper =upper;
		this.random = new JavaRandomizer();
	}
	public double nextDouble() {
		double ran= random.nextDouble();
		double scaled_ran = ran *(upper- lower); 
		return lower + scaled_ran;
	}

}