SCT_ResidualPullCalculator.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/

// SCT_ResidualPullCalculator.h
//   Header file for SCT_ResidualPullCalculator tool
// (c) ATLAS Detector software
// Sebastian.Fleischmann@cern.ch
 
#ifndef INDET_SCT_RESIDUALPULLCALCULATOR_H
#define INDET_SCT_RESIDUALPULLCALCULATOR_H
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "TrkToolInterfaces/IResidualPullCalculator.h"
 
#include "TrkParameters/TrackParameters.h"
#include "TrkEventPrimitives/TrackStateDefs.h"
#include "TrkEventPrimitives/ResidualPull.h"
 
namespace InDet {
 

 
class SCT_ResidualPullCalculator final : virtual public Trk::IResidualPullCalculator, public AthAlgTool {
public:
    using Trk::IResidualPullCalculator::residualPull;
 
    SCT_ResidualPullCalculator(const std::string& type, const std::string& name, const IInterface* parent);
    virtual ~SCT_ResidualPullCalculator() = default;
    virtual StatusCode initialize() override;
 

    virtual std::optional<Trk::ResidualPull> residualPull(
        const Trk::MeasurementBase* measurement,
        const Trk::TrackParameters* trkPar,
        const Trk::ResidualPull::ResidualType resType,
        const Trk::TrackState::MeasurementType) const override;

    virtual std::array<double,5> residuals(
        const Trk::MeasurementBase* measurement,
        const Trk::TrackParameters* trkPar,
        const Trk::ResidualPull::ResidualType resType,
        const Trk::TrackState::MeasurementType) const override;
 
private:
    static double calcPull(
        const double residual,
        const double locMesCov,
        const double locTrkCov,
        const Trk::ResidualPull::ResidualType&,
        bool& pullIsValid ) ;
}
; // end class
} // end namespace InDet
 
#endif //INDET_SCT_RESIDUALPULLCALCULATOR_H