/*
 * Roby Joehanes
 * 
 * Copyright 2007 Roby Joehanes
 * This file is distributed under the GNU General Public License version 3.0.
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 *
 * This program 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package jdistlib.rng;

/**
 * @author Roby Joehanes
 *
 */
public abstract class RandomEngine
{
	protected long mSeed;

	public void setSeed(long seed)
	{	mSeed = seed; }

	public long getSeed()
	{	return mSeed; }

	public abstract double nextGaussian();
	public abstract double nextDouble();
	public abstract float nextFloat();
	public abstract int nextInt();
	public abstract int nextInt(int n);
	public abstract long nextLong();
	public abstract long nextLong(long l);

	public double random()
	{	return nextDouble(); }

	public abstract RandomEngine clone();
}