/*
* Copyright (C) 2003-2006 Bjørn-Ove Heimsund
*
* This file is part of MTJ.
*
* This library 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 2.1 of the License, or (at your
* option) any later version.
*
* This library 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 this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package no.uib.cipr.matrix;
import no.uib.cipr.matrix.Matrix;
import no.uib.cipr.matrix.MatrixEntry;
/**
* Test of unit, triangular matrices
*/
public abstract class UnitTriangMatrixTestAbstract extends TriangMatrixTestAbstract {
public UnitTriangMatrixTestAbstract(String arg0) {
super(arg0);
}
public void testAddDiagonal() {
// Not applicable to unit triangular matrices
}
public void testAddOneDiagonal() {
// Not applicable to unit triangular matrices
}
public void testAddZeroDiagonal() {
// Not applicable to unit triangular matrices
}
@Override
public void testIteratorSet() {
double alpha = Math.random();
for (MatrixEntry e : A)
if (e.row() != e.column())
e.set(e.get() * alpha);
assertEquals(Utilities.unitSet(scale(alpha)), A);
}
@Override
public void testIteratorSetGet() {
// Not applicable to unit triangular matrices
}
@Override
public void testScale() {
// Not applicable to unit triangular matrices
}
@Override
public void testZero() {
// Not applicable to unit triangular matrices
}
@Override
public void testZeroScale() {
// Not applicable to unit triangular matrices
}
/**
* We can't zero, so we do without
*/
@Override
public void testCopy() {
Matrix Ac = A.copy();
assertEquals(Ad, Ac);
}
@Override
public void testAdd() {
double alpha = Math.random();
for (MatrixEntry e : A)
if (e.row() != e.column()) {
A.add(e.row(), e.column(), alpha);
A.add(e.row(), e.column(), -alpha);
}
assertEquals(Ad, A);
}
}