/*
 * RandomValuesGenerator.java
 *
 * Created on October 31, 2006, 6:34 PM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package pack;

import java.util.Iterator;

/**
 *
 * @author andromeda
 */

public class RandomValuesGenerator implements Iterable<double[]>{
    
    double a;
    double h;
    int    N;
    int    quantity ;

    public RandomValuesGenerator(int quantity){
        this(-3, 3, 3, quantity);
    }
    
    public RandomValuesGenerator(double a, double b, int N, int quantity){
        this.a = a;
        this.h = b - a;
        this.N = N;
        this.quantity = quantity;
    }
    
    public Iterator<double[]> iterator() {
        return new Iterator<double[]>() {
            
            int n = 0;
            
            public boolean hasNext() {
                return n < N ;
            }
            public double[] next() {
                n++;
                
                double[] array = new double[quantity];
                
                for(int i=0; i<quantity; i++){
                    array[i] = getPoint();
                }
                
                return array;
            }
            
            public void remove() {
            }
            
        };
    }
    
    protected double getPoint(){
        return a + Math.random() * h;
    }
    
    
    
    
}