view src/samer/maths/random/SparseMixture.java @ 0:bf79fb79ee13

Initial Mercurial check in.

/*
 *	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.random;
import  samer.maths.*;
import  samer.core.types.*;

public class SparseMixture extends BaseRandom
{
	VDouble		p = new VDouble("p",0.5);
	Generator	g1;
	
	public void dispose() { g1.dispose(); p.dispose(); }
	public double next() { return (rnd.nextDouble()<p.value) ? 0 : g1.next(); }

	public SparseMixture(Generator g1) { this.g1=g1; }
	public String toString() { return "Sparsified "+g1; }
}