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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.math.distribution;
/**
* The Gamma Distribution.
*
* <p>
* References:
* <ul>
* <li><a href="http://mathworld.wolfram.com/GammaDistribution.html">
* Gamma Distribution</a></li>
* </ul>
* </p>
*
* @version $Revision: 920852 $ $Date: 2010-03-09 13:53:44 +0100 (mar. 09 mars 2010) $
*/
public interface GammaDistribution extends ContinuousDistribution, HasDensity<Double> {
/**
* Modify the shape parameter, alpha.
* @param alpha the new shape parameter.
* @deprecated as of v2.1
*/
@Deprecated
void setAlpha(double alpha);
/**
* Access the shape parameter, alpha
* @return alpha.
*/
double getAlpha();
/**
* Modify the scale parameter, beta.
* @param beta the new scale parameter.
* @deprecated as of v2.1
*/
@Deprecated
void setBeta(double beta);
/**
* Access the scale parameter, beta
* @return beta.
*/
double getBeta();
/**
* Return the probability density for a particular point.
* @param x The point at which the density should be computed.
* @return The pdf at point x.
*/
double density(Double x);
}
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