RandomStream.java

/*
 * Class:        RandomStream
 * Description:  basic structures to handle multiple streams of uniform
                 (pseudo)-random numbers and tools to move around within
                 and across these streams
 * Environment:  Java
 * Software:     SSJ 
 * Copyright (C) 2001  Pierre L'Ecuyer and Universite de Montreal
 * Organization: DIRO, Universite de Montreal
 * @author       Pierre L'Ecuyer
 * @since        2000
 *
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package umontreal.ssj.rng;

public interface RandomStream {

   public void resetStartStream();

   public void resetStartSubstream();

   public void resetNextSubstream();

   public String toString();

   public double nextDouble();

   public void nextArrayOfDouble(double[] u, int start, int n);

   public int nextInt(int i, int j);

   public void nextArrayOfInt(int i, int j, int[] u, int start, int n);
 
}