movingaverage.h

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#pragma once
#include <utils/queue.h>
 
template<typename T, int N>
class MovingAverage {
    Queue<T> samples{N};
    T total{};
public:
    double operator()() {
        return (double)total / samples.size();
    }
 
    void operator()(T tSample) {
        total += tSample;
        if (samples.full()) {
            total -= samples.pop();
        }
        samples.push(tSample);
    }
};