observable.h

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* Copyright (c) 2018 Giovanni Pederiva
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#pragma once
#include <string>
#include "Math/field.h"


class Observable{
public:
    // virtual methods
    virtual void compute() = 0;
    virtual void initObservable(GluonField *field) = 0;
    const char* getName();
    double value();

    double plaq, energy, topc;
protected:
    void gatherResults();
    GluonField* m_field = nullptr;
    double m_value;
    std::string m_name;
};