/*
 Copyright (C) 2008 Srinivas Hasti

 This source code is release under the BSD License.
 
 This file is part of JQuantLib, a free-software/open-source library
 for financial quantitative analysts and developers - http://jquantlib.org/

 JQuantLib is free software: you can redistribute it and/or modify it
 under the terms of the JQuantLib license.  You should have received a
 copy of the license along with this program; if not, please email
 . The license is also available online at
 .

 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 license for more details.
 
 JQuantLib is based on QuantLib. http://quantlib.org/
 When applicable, the original copyright notice follows this notice.
 */
package org.jquantlib.methods.finitedifferences;

/**
 * @author Srinivas Hasti
 * 
 */
public class DPlus extends TridiagonalOperator {

    public DPlus(int gridPoints, /* Real */double h) {
        super(gridPoints);
        setFirstRow(-1 / h, 1 / h);
        setMidRows(0.0, -1 / h, 1 / h);
        setLastRow(-1 / h, 1 / h); 
        // linear extrapolation
    }
}