annotate src/samer/maths/Difference.java @ 8:5e3cbbf173aa tip

Reorganise some more

/*
 *	Copyright (c) 2000, Samer Abdallah, King's College London.
 *	All rights reserved.
 *
 *	This software is provided AS iS and WITHOUT ANY WARRANTY; 
 *	without even the implied warranty of MERCHANTABILITY or 
 *	FITNESS FOR A PARTICULAR PURPOSE.
 */

package samer.maths;

public class Difference implements Generator
{
	Generator g1, g2;

	public Difference( Generator g1, Generator g2) { this.g1=g1; this.g2=g2; }

	public void   dispose() { g1.dispose(); g2.dispose(); }
	public double next() { return g1.next()-g2.next(); }
	public void   next(double [] x) { 
		g1.next(x);
		for (int i=0; i<x.length; i++) x[i]-=g2.next(); 
	}

	public String toString() { return g1.toString()+"-"+g2; }
}