samer@0: /*
samer@0:  *	Copyright (c) 2000, Samer Abdallah, King's College London.
samer@0:  *	All rights reserved.
samer@0:  *
samer@0:  *	This software is provided AS iS and WITHOUT ANY WARRANTY; 
samer@0:  *	without even the implied warranty of MERCHANTABILITY or 
samer@0:  *	FITNESS FOR A PARTICULAR PURPOSE.
samer@0:  */
samer@0: 
samer@0: package samer.maths.random;
samer@0: import  samer.core.types.*;
samer@0: 
samer@0: public class Binary extends BaseRandom
samer@0: {
samer@0: 	VDouble	p = new VDouble("p",0.5);
samer@0: 
samer@0: 	public Binary() {}
samer@0: 	public Binary(double p) { this.p.value=p; this.p.changed(); }
samer@0: 
samer@0: 	public void dispose() { p.dispose(); }
samer@0: 	public double next() { return (rnd.nextDouble()<p.value) ? 1.0 : 0.0; }
samer@0: 	public void   next(double [] x) { 
samer@0: 		for (int i=0; i<x.length; i++) x[i]=(rnd.nextDouble()<p.value) ? 1.0 : 0.0; 
samer@0: 	}
samer@0: 
samer@0: 	public String toString() { return "Binary"; }
samer@0: }