GFDaf.h

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/* Copyright 2008-2010, Technische Universitaet Muenchen,
   Authors: Christian Hoeppner & Sebastian Neubert

   This file is part of GENFIT.

   GENFIT is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published
   by the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   GENFIT is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with GENFIT.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GFDAF_H
#define GFDAF_H

#include <map>
#include <vector>

#include "TMatrixT.h"

namespace genf {

  class GFTrack;

  class GFDaf {
  public:
    GFDaf();

    ~GFDaf();

    void processTrack(GFTrack*);

    void setBlowUpFactor(double f) { fBlowUpFactor = f; }

    void setProbCut(double val);

    void setBetas(double b1,
                  double b2,
                  double b3 = -1.,
                  double b4 = -1.,
                  double b5 = -1.,
                  double b6 = -1.,
                  double b7 = -1.,
                  double b8 = -1.,
                  double b9 = -1.,
                  double b10 = -1.);
    // Private Methods -----------------
  private:
    TMatrixT<Double_t> calcGain(const TMatrixT<Double_t>& cov,
                                const TMatrixT<Double_t>& HitCov,
                                const TMatrixT<Double_t>& H,
                                const double& p);

    void blowUpCovs(GFTrack* trk);

    void invertMatrix(const TMatrixT<Double_t>&, TMatrixT<Double_t>&);

    double fBlowUpFactor;
    std::vector<double> fBeta;
    std::map<int, double> chi2Cuts;
  };

} // namespace genf
#endif