moving average filter

moving_average.cpp

/**
 * @brief Helper struct to do a moving average
 *  Ref: https://en.wikipedia.org/wiki/Moving_average
 *
 * @tparam T
 */
template <typename T> struct MovingAverage {
    /**
     * @brief Update average
     *
     * @param newValue
     */
    void update(T newValue)
    {
        n++;
        average += (newValue - average) / static_cast<float>(n);
    }

    /**
     * @brief Reset average
     *
     */
    void reset()
    {
        n = 0;
        average = {};
    }

    /**
     * @brief Return the moving average result
     *
     * @return T
     */
    T result() { return average; }

private:
    T average = {};
    uint n = 0;
};