/*
* Copyright (C) 2008-2015 by Holger Arndt
*
* This file is part of the Universal Java Matrix Package (UJMP).
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership and licensing.
*
* UJMP is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* UJMP 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
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with UJMP; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
package org.ujmp.jblas;
import org.jblas.DoubleMatrix;
import org.ujmp.core.Matrix;
import org.ujmp.core.doublematrix.DenseDoubleMatrix2D;
import org.ujmp.core.doublematrix.stub.AbstractDenseDoubleMatrix2D;
import org.ujmp.core.interfaces.HasColumnMajorDoubleArray1D;
import org.ujmp.core.interfaces.HasRowMajorDoubleArray2D;
import org.ujmp.core.interfaces.Wrapper;
import org.ujmp.core.mapmatrix.MapMatrix;
import org.ujmp.jblas.calculation.Chol;
import org.ujmp.jblas.calculation.Eig;
import org.ujmp.jblas.calculation.Inv;
import org.ujmp.jblas.calculation.InvSPD;
import org.ujmp.jblas.calculation.LU;
import org.ujmp.jblas.calculation.SVD;
import org.ujmp.jblas.calculation.Solve;
public class JBlasDenseDoubleMatrix2D extends AbstractDenseDoubleMatrix2D implements Wrapper<DoubleMatrix> {
private static final long serialVersionUID = 4929284378405884509L;
public static final JBlasDenseDoubleMatrix2DFactory Factory = new JBlasDenseDoubleMatrix2DFactory();
private final DoubleMatrix matrix;
public JBlasDenseDoubleMatrix2D(int rows, int columns) {
super(rows, columns);
this.matrix = new DoubleMatrix(rows, columns);
}
public JBlasDenseDoubleMatrix2D(DoubleMatrix matrix) {
super(matrix.getRows(), matrix.getColumns());
this.matrix = matrix;
}
public JBlasDenseDoubleMatrix2D(Matrix source) {
super(source.getRowCount(), source.getColumnCount());
if (source instanceof HasColumnMajorDoubleArray1D) {
final double[] data = ((HasColumnMajorDoubleArray1D) source).getColumnMajorDoubleArray1D();
this.matrix = new DoubleMatrix((int) source.getRowCount(), (int) source.getColumnCount(), data);
} else if (source instanceof HasRowMajorDoubleArray2D) {
final double[][] data = ((HasRowMajorDoubleArray2D) source).getRowMajorDoubleArray2D();
this.matrix = new DoubleMatrix(data);
} else if (source instanceof DenseDoubleMatrix2D) {
this.matrix = new DoubleMatrix((int) source.getRowCount(), (int) source.getColumnCount());
final DenseDoubleMatrix2D m2 = (DenseDoubleMatrix2D) source;
for (int r = (int) source.getRowCount(); --r >= 0;) {
for (int c = (int) source.getColumnCount(); --c >= 0;) {
matrix.put(r, c, m2.getDouble(r, c));
}
}
} else {
this.matrix = new DoubleMatrix((int) source.getRowCount(), (int) source.getColumnCount());
for (long[] c : source.availableCoordinates()) {
setDouble(source.getAsDouble(c), c);
}
}
if (source.getMetaData() != null) {
setMetaData(source.getMetaData().clone());
}
}
public JBlasDenseDoubleMatrix2D(int rowCount, int columnCount, double[] doubleArray) {
super(rowCount, columnCount);
this.matrix = new DoubleMatrix(rowCount, columnCount, doubleArray);
}
public Matrix inv() {
return Inv.INSTANCE.calc(this);
}
public Matrix invSPD() {
return InvSPD.INSTANCE.calc(this);
}
public double getDouble(long row, long column) {
return matrix.get((int) row, (int) column);
}
public double getDouble(int row, int column) {
return matrix.get(row, column);
}
public void setDouble(double value, long row, long column) {
matrix.put((int) row, (int) column, value);
}
public void setDouble(double value, int row, int column) {
matrix.put(row, column, value);
}
public DoubleMatrix getWrappedObject() {
return matrix;
}
public final Matrix copy() {
Matrix m = new JBlasDenseDoubleMatrix2D(matrix.dup());
if (getMetaData() != null) {
m.setMetaData(getMetaData().clone());
}
return m;
}
public Matrix transpose() {
return new JBlasDenseDoubleMatrix2D(matrix.transpose());
}
public Matrix[] lu() {
return LU.INSTANCE.calc(this);
}
public Matrix[] svd() {
return SVD.INSTANCE.calc(this);
}
public Matrix[] eig() {
return Eig.INSTANCE.calc(this);
}
public Matrix chol() {
return Chol.INSTANCE.calc(this);
}
public Matrix mtimes(Matrix m) {
if (m instanceof JBlasDenseDoubleMatrix2D) {
DoubleMatrix r = new DoubleMatrix((int) getRowCount(), (int) m.getColumnCount());
matrix.mmuli(((JBlasDenseDoubleMatrix2D) m).matrix, r);
return new JBlasDenseDoubleMatrix2D(r);
} else {
return super.mtimes(m);
}
}
public Matrix plus(Matrix m) {
if (m instanceof JBlasDenseDoubleMatrix2D) {
DoubleMatrix r = new DoubleMatrix((int) getRowCount(), (int) getColumnCount());
matrix.addi(((JBlasDenseDoubleMatrix2D) m).matrix, r);
Matrix result = new JBlasDenseDoubleMatrix2D(r);
MapMatrix<String, Object> a = getMetaData();
if (a != null) {
result.setMetaData(a.clone());
}
return result;
} else {
return super.plus(m);
}
}
public Matrix minus(Matrix m) {
if (m instanceof JBlasDenseDoubleMatrix2D) {
DoubleMatrix r = new DoubleMatrix((int) getRowCount(), (int) getColumnCount());
matrix.subi(((JBlasDenseDoubleMatrix2D) m).matrix, r);
Matrix result = new JBlasDenseDoubleMatrix2D(r);
MapMatrix<String, Object> a = getMetaData();
if (a != null) {
result.setMetaData(a.clone());
}
return result;
} else {
return super.minus(m);
}
}
public Matrix times(double value) {
DoubleMatrix r = new DoubleMatrix((int) getRowCount(), (int) getColumnCount());
Matrix result = new JBlasDenseDoubleMatrix2D(matrix.muli(value, r));
MapMatrix<String, Object> a = getMetaData();
if (a != null) {
result.setMetaData(a.clone());
}
return result;
}
public Matrix divide(double value) {
DoubleMatrix r = new DoubleMatrix((int) getRowCount(), (int) getColumnCount());
Matrix result = new JBlasDenseDoubleMatrix2D(matrix.divi(value, r));
MapMatrix<String, Object> a = getMetaData();
if (a != null) {
result.setMetaData(a.clone());
}
return result;
}
public Matrix plus(double value) {
DoubleMatrix r = new DoubleMatrix((int) getRowCount(), (int) getColumnCount());
Matrix result = new JBlasDenseDoubleMatrix2D(matrix.addi(value, r));
MapMatrix<String, Object> a = getMetaData();
if (a != null) {
result.setMetaData(a.clone());
}
return result;
}
public Matrix minus(double value) {
DoubleMatrix r = new DoubleMatrix((int) getRowCount(), (int) getColumnCount());
Matrix result = new JBlasDenseDoubleMatrix2D(matrix.subi(value, r));
MapMatrix<String, Object> a = getMetaData();
if (a != null) {
result.setMetaData(a.clone());
}
return result;
}
public Matrix solve(Matrix b) {
return Solve.INSTANCE.calc(this, b);
}
public JBlasDenseDoubleMatrix2DFactory getFactory() {
return Factory;
}
}