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.bigdecimalmatrix.impl;
025    
026    import java.math.BigDecimal;
027    import java.util.Arrays;
028    
029    import org.ujmp.core.Matrix;
030    import org.ujmp.core.bigdecimalmatrix.stub.AbstractDenseBigDecimalMatrix2D;
031    import org.ujmp.core.exceptions.MatrixException;
032    
033    public class ArrayDenseBigDecimalMatrix2D extends AbstractDenseBigDecimalMatrix2D {
034            private static final long serialVersionUID = 5701752483223767209L;
035    
036            private BigDecimal[][] values = null;
037    
038            public ArrayDenseBigDecimalMatrix2D(Matrix m) throws MatrixException {
039                    if (m instanceof ArrayDenseBigDecimalMatrix2D) {
040                            BigDecimal[][] v = ((ArrayDenseBigDecimalMatrix2D) m).values;
041                            this.values = new BigDecimal[v.length][v[0].length];
042                            for (int r = v.length; --r >= 0;) {
043                                    for (int c = v[0].length; --c >= 0;) {
044                                            values[r][c] = v[r][c];
045                                    }
046                            }
047                    } else {
048                            values = new BigDecimal[(int) m.getRowCount()][(int) m.getColumnCount()];
049                            for (long[] c : m.allCoordinates()) {
050                                    setAsBigDecimal(m.getAsBigDecimal(c), c);
051                            }
052                    }
053            }
054    
055            public ArrayDenseBigDecimalMatrix2D(BigDecimal[]... v) {
056                    this.values = v;
057            }
058    
059            public ArrayDenseBigDecimalMatrix2D(long... size) {
060                    values = new BigDecimal[(int) size[ROW]][(int) size[COLUMN]];
061                    for (int r = values.length; --r != -1;) {
062                            Arrays.fill(values[r], BigDecimal.ZERO);
063                    }
064            }
065    
066            public ArrayDenseBigDecimalMatrix2D(BigDecimal... v) {
067                    this.values = new BigDecimal[v.length][1];
068                    for (int r = v.length; --r >= 0;) {
069                            values[r][0] = v[r];
070                    }
071            }
072    
073            public long[] getSize() {
074                    return new long[] { values.length, values.length == 0 ? 0 : values[0].length };
075            }
076    
077            public long getRowCount() {
078                    return values.length;
079            }
080    
081            public long getColumnCount() {
082                    return values.length == 0 ? 0 : values[0].length;
083            }
084    
085            public BigDecimal getBigDecimal(long row, long column) {
086                    return values[(int) row][(int) column];
087            }
088    
089            public void setBigDecimal(BigDecimal value, long row, long column) {
090                    values[(int) row][(int) column] = value;
091            }
092    
093            public BigDecimal getBigDecimal(int row, int column) {
094                    return values[row][column];
095            }
096    
097            public void setBigDecimal(BigDecimal value, int row, int column) {
098                    values[row][column] = value;
099            }
100    
101    }