001    /*
002     * Copyright (C) 2008-2010 by Holger Arndt
003     *
004     * This file is part of the Universal Java Matrix Package (UJMP).
005     * See the NOTICE file distributed with this work for additional
006     * information regarding copyright ownership and licensing.
007     *
008     * UJMP is free software; you can redistribute it and/or modify
009     * it under the terms of the GNU Lesser General Public License as
010     * published by the Free Software Foundation; either version 2
011     * of the License, or (at your option) any later version.
012     *
013     * UJMP is distributed in the hope that it will be useful,
014     * but WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016     * GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public
019     * License along with UJMP; if not, write to the
020     * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
021     * Boston, MA  02110-1301  USA
022     */
023    
024    package org.ujmp.core.booleanmatrix.calculation;
025    
026    import org.ujmp.core.Coordinates;
027    import org.ujmp.core.Matrix;
028    import org.ujmp.core.MatrixFactory;
029    import org.ujmp.core.exceptions.MatrixException;
030    import org.ujmp.core.util.MathUtil;
031    
032    public class Xor extends AbstractBooleanCalculation {
033            private static final long serialVersionUID = -6373580510308593463L;
034    
035            public Xor(Matrix m1, Matrix m2) {
036                    super(m1, m2);
037                    if (m2.isScalar() && !Coordinates.equals(m1.getSize(), m2.getSize())) {
038                            getSources()[1] = MatrixFactory.fill(m2.getAsBoolean(0, 0), m1.getSize());
039                    } else if (m1.isScalar() && !Coordinates.equals(m1.getSize(), m2.getSize())) {
040                            getSources()[0] = MatrixFactory.fill(m1.getAsBoolean(0, 0), m2.getSize());
041                    }
042            }
043    
044            public Xor(Matrix m1, boolean v2) throws MatrixException {
045                    this(m1, MatrixFactory.fill(v2, m1.getSize()));
046            }
047    
048            public Xor(boolean v1, Matrix m2) throws MatrixException {
049                    this(MatrixFactory.fill(v1, m2.getSize()), m2);
050            }
051    
052            
053            public boolean getBoolean(long... coordinates) throws MatrixException {
054                    return MathUtil.xor(getSource().getAsBoolean(coordinates), getSources()[1]
055                                    .getAsBoolean(coordinates));
056            }
057    }