/*
 * Copyright 1990-2008, Mark Little, University of Newcastle upon Tyne
 * and others contributors as indicated
 * by the @authors tag. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU Lesser General Public License, v. 2.1.
 * This program is distributed in the hope that it will be useful, but WITHOUT A
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License,
 * v.2.1 along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 *
 * (C) 1990-2008,
 */



import java.io.IOException;

/**
 * Returns a number drawn from a uniform distribution with the given lower and
 * upper bounds.
 */

public class UniformStream extends RandomStream
{
    /**
     * Create stream with low bound 'l' and high bound 'h'.
     */
    public UniformStream(double l, double h)
    {
        super();

        lo = l;
        hi = h;
        range = hi - lo;
    }

    public UniformStream(double l, double h, boolean suffled)
    {
        super(suffled);

        lo = l;
        hi = h;
        range = hi - lo;
    }

    /**
     * Create stream with low bound 'l' and high bound 'h'. 
     */


    public UniformStream(double l, double h, long LSeed,boolean suffled)
    {
        super(LSeed,suffled);
        lo = l;
        hi = h;
        range = hi - lo;   
    }

    /**
     * Return a number from the stream.
     */

    public double getNumber () throws IOException, ArithmeticException
    {
        return lo + (range * uniform());
    }

    private double lo;

    private double hi;

    private double range;
}