001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    package org.apache.commons.math.distribution;
019    
020    /**
021     * Cauchy Distribution.
022     *
023     * <p>
024     * References:
025     * <ul>
026     *  <li><a href="http://mathworld.wolfram.com/CauchyDistribution.html">
027     *   Cauchy Distribution</a>
028     *  </li>
029     * </ul>
030     * </p>
031     *
032     * @since 1.1
033     * @version $Id: CauchyDistribution.java 1131229 2011-06-03 20:49:25Z luc $
034     */
035    public interface CauchyDistribution extends ContinuousDistribution {
036        /**
037         * Access the median.
038         *
039         * @return the median for this distribution.
040         */
041        double getMedian();
042    
043        /**
044         * Access the scale parameter.
045         *
046         * @return the scale parameter for this distribution.
047         */
048        double getScale();
049    }