ConstantDist.java

/*
 * Class:        ConstantDist
 * Description:  constant distribution
 * Environment:  Java
 * Software:     SSJ
 * Copyright (C) 2001  Pierre L'Ecuyer and Universite de Montreal
 * Organization: DIRO, Universite de Montreal
 * @author       Éric Buist
 * @since
 *
 *
 * Licensed 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 umontreal.ssj.probdist;

public class ConstantDist extends DiscreteDistribution {
   private double c;

   public ConstantDist(double c) {
      super(new double[] { c }, new double[] { 1.0 }, 1);
      this.c = c;
   }

   @Override
   public double getMean() {
      return c;
   }

   @Override
   public double getVariance() {
      return 0;
   }

   @Override
   public double getStandardDeviation() {
      return 0;
   }

   @Override
   public double inverseF(double u) {
      return c;
   }
 
}