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la4j - Linear Algebra for Java

, 14 Nov 2011 CPOL 10.9K 242 7
Elegant and pure Java matrix library
 * Copyright 2011, Vladimir Kostyukov
 * This file is part of la4j project (
 * Licensed under the Apache License, Version 2.0 (the "License");
 * You may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package la4j.linear;

import junit.framework.TestCase;
import la4j.err.LinearSystemException;
import la4j.factory.DenseFactory;
import la4j.factory.Factory;
import la4j.factory.SparseFactory;
import la4j.matrix.Matrix;
import la4j.vector.Vector;

public abstract class AbstractSolverTest extends TestCase {

	public abstract LinearSystemSolver solver();
	public abstract double[][] coefficientMatrix();
	public abstract double[] rightHandVector();
	public Factory[] factories() { 
		return new Factory[] { 
				new DenseFactory(), 
				new SparseFactory()
	public void testSolve() throws LinearSystemException {

		for (Factory xFactory: factories()) {
			for (Factory yFactory: factories()) {
				Matrix a = xFactory.createMatrix(coefficientMatrix());
				Vector b = yFactory.createVector(rightHandVector());
				LinearSystem system = new LinearSystem(a, b);

				Vector x = system.solve(solver());
				Vector y = system.solve(solver(), yFactory);

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About the Author

Vladimir Kostyukov
Software Developer Intel
Russian Federation Russian Federation
I've received a Master's Degree in Computer Science at the IT Faculty of Altai State Technical University, Russia.

Currently, I am Software Engineer at Intel Corporation.
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