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/*
* Copyright (c) 2009-2017, Peter Abeles. All Rights Reserved.
*
* This file is part of Efficient Java Matrix Library (EJML).
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.ejml.data;
import org.ejml.UtilEjml;
import static org.junit.Assert.assertEquals;
/**
* @author Peter Abeles
*/
public abstract class GenericTestsDMatrix {
protected abstract DMatrix createMatrix(int numRows , int numCols );
public void allTests() {
testGetNumRows();
testGetNumCols();
testSetAndGet_2D();
testSetAndGet_2D_unsafe();
}
public void testGetNumRows() {
DMatrix mat = createMatrix(2,3);
assertEquals(2,mat.getNumRows());
}
public void testGetNumCols() {
DMatrix mat = createMatrix(2,3);
assertEquals(3,mat.getNumCols());
}
public void testSetAndGet_2D() {
// test a variety of different shapes. Added rigor needed
// to properly test block matrix.
checkSetAndGet(10, 12);
checkSetAndGet(12, 10);
checkSetAndGet(10, 10);
checkSetAndGet(19, 5);
checkSetAndGet(5, 19);
checkSetAndGet(19, 19);
}
private void checkSetAndGet(int m, int n) {
DMatrix mat = createMatrix(m, n);
for( int i = 0; i < m; i++ ) {
for( int j = 0; j < n; j++ ) {
mat.set(i,j, i* m +j);
}
}
for( int i = 0; i < m; i++ ) {
for( int j = 0; j < n; j++ ) {
double found = mat.get(i,j);
assertEquals(i* m +j,found, UtilEjml.TEST_F64);
}
}
}
public void testSetAndGet_2D_unsafe() {
// test a variety of different shapes. Added rigor needed
// to properly test block matrix.
checkSetAndGet_unsafe(10, 12);
checkSetAndGet_unsafe(12, 10);
checkSetAndGet_unsafe(10, 10);
checkSetAndGet_unsafe(19, 5);
checkSetAndGet_unsafe(5, 19);
checkSetAndGet_unsafe(19, 19);
}
private void checkSetAndGet_unsafe(int m, int n) {
DMatrix mat = createMatrix(m, n);
for( int i = 0; i < m; i++ ) {
for( int j = 0; j < n; j++ ) {
mat.unsafe_set(i,j, i* m +j);
}
}
for( int i = 0; i < m; i++ ) {
for( int j = 0; j < n; j++ ) {
double found = mat.unsafe_get(i,j);
assertEquals(i* m +j,found,UtilEjml.TEST_F64);
}
}
}
}
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