iPatGlobalFitter.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/

// iPatGlobalFitter.h
//   Header file for class iPatGlobalFitter
//
// (c) ATLAS Detector software
 
#ifndef TRKIPATFITTER_IPATGLOBALFITTER_H
#define TRKIPATFITTER_IPATGLOBALFITTER_H
 
//<<<<<< INCLUDES                                                       >>>>>>
 
#include "TrkFitterInterfaces/IGlobalTrackFitter.h"
#include "TrkiPatFitter/iPatFitter.h"
 
//<<<<<< CLASS DECLARATIONS                                             >>>>>>
 
namespace Trk {

 
class iPatGlobalFitter : public extends<iPatFitter, IGlobalTrackFitter> {
 public:
  using base_class::base_class;
 
  Track* alignmentFit(
      const EventContext& ctx,
      AlignmentCache&, const Track&, const RunOutlierRemoval runOutlier = false,
      const ParticleHypothesis matEffects = Trk::nonInteracting) const;
 
 private:
  std::unique_ptr<Amg::MatrixX> derivMatrix(const FitState& fitState) const;

  std::unique_ptr<Amg::MatrixX> fullCovarianceMatrix(
      const FitState& fitState) const;

  static int iterationsOfLastFit(const FitState& fitState);

  void setMinIterations(int minIterations);
 
  // configurables (tools and options)
  Gaudi::Property<bool> m_allParameters{
    this, "AllParameters", false, "all or 5 parameters for matrix methods"};
};
 
}  // namespace Trk
 
#endif  // TRKIPATFITTER_IPATGLOBALFITTER_H