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Java example source code file (BinomialDistribution.java)

This example Java source code file (BinomialDistribution.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

binomialdistribution, distribution, double, jsoncreator, jsonproperty, override, string

The BinomialDistribution.java Java example source code

/*
 *
 *  * Copyright 2015 Skymind,Inc.
 *  *
 *  *    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 org.deeplearning4j.nn.conf.distribution;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

/**
 * A binomial distribution.
 * This is based on the interface from apache commons math.
 *
 * @author Adam Gibson
 *
 */
public class BinomialDistribution extends Distribution {

    private static final long serialVersionUID = 7407024251874318749L;

    private final int numberOfTrials;
    private double probabilityOfSuccess;

    /**
     * Create a distribution
     *
     * @param numberOfTrials the number of trials
     * @param probabilityOfSuccess the probability of success
     */
    @JsonCreator
    public BinomialDistribution(@JsonProperty("numberOfTrials") int numberOfTrials, @JsonProperty("probabilityOfSuccess") double probabilityOfSuccess) {
        this.numberOfTrials = numberOfTrials;
        this.probabilityOfSuccess = probabilityOfSuccess;
    }

    public double getProbabilityOfSuccess() {
        return probabilityOfSuccess;
    }

    public void setProbabilityOfSuccess(double probabilityOfSuccess) {
        this.probabilityOfSuccess = probabilityOfSuccess;
    }

    public int getNumberOfTrials() {
        return numberOfTrials;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + numberOfTrials;
        long temp;
        temp = Double.doubleToLongBits(probabilityOfSuccess);
        result = prime * result + (int) (temp ^ (temp >>> 32));
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        BinomialDistribution other = (BinomialDistribution) obj;
        if (numberOfTrials != other.numberOfTrials)
            return false;
        if (Double.doubleToLongBits(probabilityOfSuccess) != Double
                .doubleToLongBits(other.probabilityOfSuccess))
            return false;
        return true;
    }
    
    public String toString() {
        return "BinomialDistribution{" +
                "numberOfTrials=" + numberOfTrials +
                ", probabilityOfSuccess=" + probabilityOfSuccess +
                '}';
    }
}

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