IndependentPointsCached.java

/*
 * Class:        IndependentPointsCached
 * Description:  
 * Environment:  Java
 * Software:     SSJ 
 * Copyright (C) 2001  Pierre L'Ecuyer and Universite de Montreal
 * Organization: DIRO, Universite de Montreal
 * @author       
 * @since
 
 * SSJ is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License (GPL) as published by the
 * Free Software Foundation, either version 3 of the License, or
 * any later version.
 
 * SSJ is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 
 * A copy of the GNU General Public License is available at
   <a href="http://www.gnu.org/licenses">GPL licence site</a>.
 */
package umontreal.ssj.hups;
 
import umontreal.ssj.rng.RandomStream;

public class IndependentPointsCached extends CachedPointSet {

   public IndependentPointsCached(int n, int dim) {
      this.dim = dim;
      numPoints = n;
      x = new double[numPoints][dim];
   }

   public void randomize(RandomStream stream) {
      for (int j = 0; j < dim; j++) {
         for (int i = 0; i < numPoints; i++)
            x[i][j] = stream.nextDouble();
      }
   }

   public void addRandomShift(int fromDim, int toDim, RandomStream stream) {
      randomize(stream);
   }

   public void randomize(PointSetRandomization rand) {
      randomize(rand.getStream());
   }
 
   public String toString() {
      return "IndependentPointsCached: independent points in " + dim + "dimensions.";
   }
}