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.math.distribution;
19
20 /**
21 * Cauchy Distribution.
22 *
23 * <p>
24 * References:
25 * <ul>
26 * <li><a href="http://mathworld.wolfram.com/CauchyDistribution.html">
27 * Cauchy Distribution</a></li>
28 * </ul>
29 * </p>
30 *
31 * @since 1.1
32 * @version $Revision: 617953 $ $Date: 2008-02-02 22:54:00 -0700 (Sat, 02 Feb 2008) $
33 */
34 public interface CauchyDistribution extends ContinuousDistribution {
35
36 /**
37 * Access the median.
38 * @return median for this distribution
39 */
40 double getMedian();
41
42 /**
43 * Access the scale parameter.
44 * @return scale parameter for this distribution
45 */
46 double getScale();
47
48 /**
49 * Modify the median.
50 * @param median for this distribution
51 */
52 void setMedian(double median);
53
54 /**
55 * Modify the scale parameter.
56 * @param s scale parameter for this distribution
57 */
58 void setScale(double s);
59 }