/*
* 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.commonsmath;
import org.apache.commons.math3.linear.Array2DRowRealMatrix;
import org.apache.commons.math3.linear.BlockRealMatrix;
import org.apache.commons.math3.linear.RealMatrix;
import org.ujmp.core.Matrix;
import org.ujmp.core.doublematrix.DenseDoubleMatrix2D;
import org.ujmp.core.doublematrix.factory.AbstractDenseDoubleMatrix2DFactory;
public class CommonsMathDenseDoubleMatrix2DFactory extends
AbstractDenseDoubleMatrix2DFactory<CommonsMathArrayDenseDoubleMatrix2D> {
public static final CommonsMathDenseDoubleMatrix2DFactory INSTANCE = new CommonsMathDenseDoubleMatrix2DFactory();
public CommonsMathArrayDenseDoubleMatrix2D zeros(long rows, long columns) {
return new CommonsMathArrayDenseDoubleMatrix2D(rows, columns);
}
public DenseDoubleMatrix2D dense(Array2DRowRealMatrix matrix) {
return new CommonsMathArrayDenseDoubleMatrix2D(matrix);
}
public DenseDoubleMatrix2D dense(BlockRealMatrix matrix) {
return new CommonsMathBlockDenseDoubleMatrix2D(matrix);
}
public Matrix dense(RealMatrix matrix) {
if (matrix == null) {
throw new RuntimeException("matrix is null");
} else if (matrix instanceof BlockRealMatrix) {
return dense((BlockRealMatrix) matrix);
} else if (matrix instanceof Array2DRowRealMatrix) {
return dense((Array2DRowRealMatrix) matrix);
} else {
throw new RuntimeException("implementation not available: " + matrix.getClass());
}
}
}