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.datematrix.impl; 025 026 import java.util.Arrays; 027 import java.util.Date; 028 029 import org.ujmp.core.Matrix; 030 import org.ujmp.core.datematrix.DateMatrix; 031 import org.ujmp.core.datematrix.stub.AbstractDenseDateMatrix2D; 032 import org.ujmp.core.exceptions.MatrixException; 033 034 public class SimpleDenseDateMatrix2D extends AbstractDenseDateMatrix2D { 035 private static final long serialVersionUID = -3791410138052404116L; 036 037 private Date[][] values = null; 038 039 public SimpleDenseDateMatrix2D(Matrix m) throws MatrixException { 040 if (m instanceof SimpleDenseDateMatrix2D) { 041 Date[][] v = ((SimpleDenseDateMatrix2D) m).values; 042 this.values = new Date[v.length][v[0].length]; 043 for (int r = v.length; --r >= 0;) { 044 for (int c = v[0].length; --c >= 0;) { 045 values[r][c] = v[r][c]; 046 } 047 } 048 } else { 049 values = new Date[(int) m.getRowCount()][(int) m.getColumnCount()]; 050 for (long[] c : m.allCoordinates()) { 051 setAsDate(m.getAsDate(c), c); 052 } 053 } 054 } 055 056 public SimpleDenseDateMatrix2D(Date[]... v) { 057 this.values = v; 058 } 059 060 public SimpleDenseDateMatrix2D(long... size) { 061 values = new Date[(int) size[ROW]][(int) size[COLUMN]]; 062 for (int r = values.length; --r != -1;) { 063 Arrays.fill(values[r], DateMatrix.DATE0); 064 } 065 } 066 067 public SimpleDenseDateMatrix2D(Date[] v) { 068 this.values = new Date[v.length][1]; 069 for (int r = v.length; --r >= 0;) { 070 values[r][0] = v[r]; 071 } 072 } 073 074 public long[] getSize() { 075 return new long[] { values.length, values.length == 0 ? 0 : values[0].length }; 076 } 077 078 public long getRowCount() { 079 return values.length; 080 } 081 082 public long getColumnCount() { 083 return values.length == 0 ? 0 : values[0].length; 084 } 085 086 public Date getDate(long row, long column) { 087 return values[(int) row][(int) column]; 088 } 089 090 public void setDate(Date value, long row, long column) { 091 values[(int) row][(int) column] = value; 092 } 093 094 public Date getDate(int row, int column) { 095 return values[row][column]; 096 } 097 098 public void setDate(Date value, int row, int column) { 099 values[row][column] = value; 100 } 101 102 public final Matrix transpose() { 103 Date[][] result = new Date[values[0].length][values.length]; 104 for (int r = result.length; --r >= 0;) { 105 for (int c = result[0].length; --c >= 0;) { 106 result[r][c] = values[c][r]; 107 } 108 } 109 return new SimpleDenseDateMatrix2D(result); 110 } 111 112 }