1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.statistics.distribution;
19
20 /**
21 * Test cases for {@link CauchyDistribution}.
22 * Extends {@link BaseContinuousDistributionTest}. See javadoc of that class for details.
23 */
24 class CauchyDistributionTest extends BaseContinuousDistributionTest {
25 @Override
26 ContinuousDistribution makeDistribution(Object... parameters) {
27 final double location = (Double) parameters[0];
28 final double scale = (Double) parameters[1];
29 return CauchyDistribution.of(location, scale);
30 }
31
32 @Override
33 Object[][] makeInvalidParameters() {
34 return new Object[][] {
35 {0.0, 0.0},
36 {0.0, -0.1}
37 };
38 }
39
40 @Override
41 String[] getParameterNames() {
42 return new String[] {"Location", "Scale"};
43 }
44
45 @Override
46 protected double getRelativeTolerance() {
47 return 5e-15;
48 }
49 }