/*
* 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.ejml.calculation;
import org.ejml.data.DenseMatrix64F;
import org.ejml.ops.CommonOps;
import org.ujmp.core.Matrix;
import org.ujmp.ejml.EJMLDenseDoubleMatrix2D;
public class Solve implements org.ujmp.core.doublematrix.calculation.general.decomposition.Solve<Matrix> {
public static Solve INSTANCE = new Solve();
public Matrix calc(Matrix a, Matrix b) {
DenseMatrix64F a2 = null;
DenseMatrix64F b2 = null;
if (a instanceof EJMLDenseDoubleMatrix2D) {
a2 = ((EJMLDenseDoubleMatrix2D) a).getWrappedObject();
} else {
a2 = new EJMLDenseDoubleMatrix2D(a).getWrappedObject();
}
if (b instanceof EJMLDenseDoubleMatrix2D) {
b2 = ((EJMLDenseDoubleMatrix2D) b).getWrappedObject();
} else {
b2 = new EJMLDenseDoubleMatrix2D(b).getWrappedObject();
}
DenseMatrix64F x = new DenseMatrix64F(a2.numCols, b2.numCols);
CommonOps.solve(a2, b2, x);
return new EJMLDenseDoubleMatrix2D(x);
}
}