/*
* Encog(tm) Core Unit Tests v3.0 - Java Version
* http://www.heatonresearch.com/encog/
* http://code.google.com/p/encog-java/
* Copyright 2008-2011 Heaton Research, Inc.
*
* 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.util;
import org.encog.mathutil.error.ErrorCalculation;
import junit.framework.TestCase;
public class TestErrorCalculation extends TestCase {
public void testErrorCalculation()
{
double ideal[][] = {
{1,2,3,4},
{5,6,7,8},
{9,10,11,12},
{13,14,15,16} };
double actual_good[][] = {
{1,2,3,4},
{5,6,7,8},
{9,10,11,12},
{13,14,15,16} };
double actual_bad[][] = {
{1,2,3,5},
{5,6,7,8},
{9,10,11,12},
{13,14,15,16} };
ErrorCalculation error = new ErrorCalculation();
for(int i=0;i<ideal.length;i++)
{
error.updateError(actual_good[i], ideal[i], 1.0);
}
TestCase.assertEquals(0.0,error.calculateRMS());
error.reset();
for(int i=0;i<ideal.length;i++)
{
error.updateError(actual_bad[i], ideal[i], 1.0);
}
TestCase.assertEquals(250,(int)(error.calculateRMS()*1000));
}
}