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 package org.apache.commons.math.distribution;
018
019 import org.apache.commons.math.MathException;
020
021 /**
022 * Base interface for continuous distributions.
023 *
024 * @version $Revision: 670469 $ $Date: 2008-06-23 04:01:38 -0400 (Mon, 23 Jun 2008) $
025 */
026 public interface ContinuousDistribution extends Distribution {
027
028 /**
029 * For this distribution, X, this method returns x such that P(X < x) = p.
030 * @param p the cumulative probability.
031 * @return x.
032 * @throws MathException if the inverse cumulative probability can not be
033 * computed due to convergence or other numerical errors.
034 */
035 double inverseCumulativeProbability(double p) throws MathException;
036 }