BCGraphFitter.h

#ifndef __BCMODELGRAPHFITTER__H
#define __BCMODELGRAPHFITTER__H

/*
 * Copyright (C) 2007-2018, the BAT core developer team
 * All rights reserved.
 *
 * For the licensing terms see doc/COPYING.
 * For documentation see http://mpp.mpg.de/bat
 */

// ---------------------------------------------------------

#include "BCFitter.h"

#include <TGraphErrors.h>

#include <string>
#include <vector>

// ---------------------------------------------------------

class BCGraphFitter : public BCFitter
{
public:

    /* @{ */
    BCGraphFitter(const TGraphErrors& graph, const TF1& func, const std::string& name = "graph_fitter_model");

    virtual ~BCGraphFitter();

    /* @} */

    /* @{ */

    const TGraph& GetGraph()
    { return fGraph; };

    /* @} */

    /* @{ */

    virtual double LogLikelihood(const std::vector<double>& parameters);

    void Fit();

    void DrawFit(const std::string& options = "", bool flaglegend = false);

    virtual double CalculateChi2(const std::vector<double>& pars);

    virtual double CalculatePValue(const std::vector<double>& pars, bool ndf = true);

    /* @} */

private:

    TGraphErrors fGraph;
};

// ---------------------------------------------------------

#endif