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MASON is a fast discrete-event multiagent simulation library core in Java, designed to be the foundation for large custom-purpose Java simulations, and also to provide more than enough functionality for many lightweight simulation needs. MASON contains both a model library and an optional suite of visualization tools in 2D and 3D.

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/*
  Copyright � 1999 CERN - European Organization for Nuclear Research.
  Permission to use, copy, modify, distribute and sell this software and its documentation for any purpose 
  is hereby granted without fee, provided that the above copyright notice appear in all copies and 
  that both that copyright notice and this permission notice appear in supporting documentation. 
  CERN makes no representations about the suitability of this software for any purpose. 
  It is provided "as is" without expressed or implied warranty.
*/
package sim.util.distribution;
import ec.util.MersenneTwisterFast;

/**
 * Abstract base class for all discrete distributions.
 *
 * @author [email protected]
 * @version 1.0, 09/24/99
 */
public abstract class AbstractDiscreteDistribution extends AbstractDistribution {
    private static final long serialVersionUID = 1;

/**
 * Makes this class non instantiable, but still let's others inherit from it.
 */
    protected AbstractDiscreteDistribution() {}
/**
 * Returns a random number from the distribution; returns (double) nextInt().
 */
    public double nextDouble() {
        return (double) nextInt();
        }
/**
 * Returns a random number from the distribution.
 */
    public abstract int nextInt();
    }