org.ejml.alg.dense.linsol.LinearSolverAbstract Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of ejml Show documentation

A fast and easy to use dense matrix linear algebra library written in Java.

There is a newer version: 0.25

/*
 * Copyright (c) 2009-2012, Peter Abeles. All Rights Reserved.
 *
 * This file is part of Efficient Java Matrix Library (EJML).
 *
 * EJML 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 3
 * of the License, or (at your option) any later version.
 *
 * EJML 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 EJML.  If not, see .
 */

package org.ejml.alg.dense.linsol;

import org.ejml.data.DenseMatrix64F;
import org.ejml.factory.LinearSolver;


/**
 * 
 * An abstract class that provides some common functionality and a default implementation
 * of invert that uses the solve function of the child class.
 * 
 *
 * 
 * The extending class must explicity call {@link #_setA(org.ejml.data.DenseMatrix64F)}
 * inside of its {@link #setA} function.
 * 
 * 
 * @author Peter Abeles
 */
public abstract class LinearSolverAbstract implements LinearSolver {

    protected DenseMatrix64F A;
    protected int numRows;
    protected int numCols;

    public DenseMatrix64F getA() {
        return A;
    }

    protected void _setA(DenseMatrix64F A) {
        this.A = A;
        this.numRows = A.numRows;
        this.numCols = A.numCols;
    }

    @Override
    public void invert(DenseMatrix64F A_inv) {
        InvertUsingSolve.invert(this,A,A_inv);
    }
}