1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 package org.apache.commons.math.util;
17
18 import org.apache.commons.math.MathException;
19
20 import junit.framework.TestCase;
21
22 /**
23 * @version $Revision: 201916 $ $Date: 2005-06-26 15:25:41 -0700 (Sun, 26 Jun 2005) $
24 */
25 public class ContinuedFractionTest extends TestCase {
26 /**
27 * Constructor for ContinuedFractionTest.
28 * @param name
29 */
30 public ContinuedFractionTest(String name) {
31 super(name);
32 }
33
34 public void testGoldenRation(){
35 ContinuedFraction cf = new ContinuedFraction() {
36 public double getA(int n, double x) {
37 return 1.0;
38 }
39
40 public double getB(int n, double x) {
41 return 1.0;
42 }
43 };
44
45 try {
46 double gr = cf.evaluate(0.0, 10e-9);
47 assertEquals(1.61803399, gr, 10e-9);
48 } catch (MathException e) {
49 fail(e.getMessage());
50 }
51 }
52 }