engine/src/test/jme3test/network/MovingAverage.java

/*
 * Copyright (c) 2009-2010 jMonkeyEngine
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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package jme3test.network;

@Deprecated
public class MovingAverage {

    private long[] samples;
    private long sum;
    private int count, index;

    public MovingAverage(int numSamples){
        samples = new long[numSamples];
    }

    public void add(long sample){
        sum = sum - samples[index] + sample;
        samples[index++] = sample;
        if (index > count){
            count = index;
        }
        if (index >= samples.length){
            index = 0;
        }
    }

    public long getAverage(){
        if (count == 0)
            return 0;
        else
            return (long) ((float) sum / (float) count);
    }

}