simplemovingaverage.c

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class SimpleMovingAverage<Class T>
{
    private T m_Sum                 = 0;
    private int m_Pointer           = 0;
    private int m_Size              = 0;
    private ref array<T> m_Samples  = new array<T>();
 
    void SimpleMovingAverage(int pSize, T pDefaultValue = 0)
    {
        m_Size = pSize;
 
        for (int i = 0; i < m_Size; i++)
        {
            m_Samples.Insert(pDefaultValue);
            m_Sum += m_Samples[i];
        }
    }
 
    T Add(T newSample)
    {
        m_Sum = m_Sum - m_Samples[m_Pointer] + newSample;
        m_Samples[m_Pointer++] = newSample;
        if (m_Pointer == m_Size)
        {
            m_Pointer = 0;
        }
 
        return m_Sum / m_Size;
    }
 
    array<T> GetSamples()
    {
        return m_Samples;
    }
}