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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;

/**
 * F-Distribution.
 *
 * 
 * References:
 * 

 * 
 * F-Distribution
 * 
 * 
 *
 * @version $Revision: 545192 $ $Date: 2007-06-07 07:35:04 -0700 (Thu, 07 Jun 2007) $
 */
public interface FDistribution extends ContinuousDistribution {
    /**
     * Modify the numerator degrees of freedom.
     * @param degreesOfFreedom the new numerator degrees of freedom.
     */
    void setNumeratorDegreesOfFreedom(double degreesOfFreedom);
    
    /**
     * Access the numerator degrees of freedom.
     * @return the numerator degrees of freedom.
     */
    double getNumeratorDegreesOfFreedom();
    
    /**
     * Modify the denominator degrees of freedom.
     * @param degreesOfFreedom the new denominator degrees of freedom.
     */
    void setDenominatorDegreesOfFreedom(double degreesOfFreedom);
    
    /**
     * Access the denominator degrees of freedom.
     * @return the denominator degrees of freedom.
     */
    double getDenominatorDegreesOfFreedom();
}