/*
* Geotoolkit.org - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2015, Geomatys
*
* 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;
* version 2.1 of the License.
*
* 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.
*/
package org.geotoolkit.math;
import org.junit.Test;
import static org.junit.Assert.*;
/**
*
* @author Johann Sorel (Geomatys)
*/
public class HistogramTest extends org.geotoolkit.test.TestBase {
private static final double DELTA = 0.000001;
@Test
public void histogramTest(){
final Histogram histo = new Histogram(new long[]{1,2,3,4,5,5,4,3,2,1}, 2.0, 12.0);
assertEquals(2.0, histo.getStart(), DELTA);
assertEquals(12.0, histo.getEnd(), DELTA);
assertEquals(30, histo.getSum());
assertEquals(1.0, histo.getBucketSize(), DELTA);
assertArrayEquals(new double[]{5.0,6.0}, histo.getBucketRange(3),DELTA);
assertEquals(2.0, histo.getValueAt(0),DELTA);
assertEquals(12.0, histo.getValueAt(1),DELTA);
assertEquals(7.0, histo.getValueAt(0.5),DELTA);
assertEquals(3.5, histo.getValueAt(2.0/30.0),DELTA);
}
}