plaquette.h

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* MIT License
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* Copyright (c) 2018 Giovanni Pederiva
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#pragma once
#include <vector>
#include <string>
#include "Observables/observable.h"
#include "Math/latticemath.h"

class Plaquette : public Observable {
public:
    Plaquette();
    void initObservable(Lattice *lattice);
    void compute();

private:
    std::array<int, 4> m_size;
    // auxiliary variables
    double m_norm;
    SU3 plaq;
};