IUpdator.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/

// IUpdator.h
//   Header file for interface of Updator
// (c) ATLAS Detector software
// Markus.Elsing@cern.ch
 
#ifndef TRK_IUPDATOR_H
#define TRK_IUPDATOR_H
 
#include "EventPrimitives/EventPrimitives.h"
#include "GaudiKernel/IAlgTool.h"
#include "TrkEventPrimitives/FitQualityOnSurface.h" // typedef
#include "TrkParameters/TrackParameters.h"          // typedef
#include <memory>
#include <vector>
static const InterfaceID IID_IUpdator("Trk::IUpdator", 1, 0);
 
namespace Trk {
 
#ifndef CreateParDef
#define CreateParDef
#define CREATE_PARAMETERS(ref, x, cov)                                         \
  (ref).associatedSurface().createUniqueTrackParameters(x[Trk::loc1],          \
                                                        x[Trk::loc2],          \
                                                        x[Trk::phi],           \
                                                        x[Trk::theta],         \
                                                        x[Trk::qOverP],        \
                                                        cov)
#define CLONEWITHOUTCOV(ref)                                                   \
  ref.associatedSurface().createUniqueTrackParameters(                         \
    ref.parameters[Trk::loc1],                                                 \
    ref.parameters[Trk::loc2],                                                 \
    ref.parameters[Trk::phi],                                                  \
    ref.parameters[Trk::theta],                                                \
    ref.parameters[Trk::qOverP])
#endif
 
class LocalParameters;

 
class IUpdator : virtual public IAlgTool
{
public:
  static const InterfaceID& interfaceID();
  virtual std::unique_ptr<TrackParameters> addToState(
    const TrackParameters&,
    const Amg::Vector2D&,
    const Amg::MatrixX&) const = 0;
  virtual std::unique_ptr<TrackParameters> addToState(
    const TrackParameters&,
    const LocalParameters&,
    const Amg::MatrixX&) const = 0;
  virtual std::unique_ptr<TrackParameters> addToState(
    const TrackParameters&,
    const Amg::Vector2D&,
    const Amg::MatrixX&,
    FitQualityOnSurface*&) const = 0;
  virtual std::unique_ptr<TrackParameters> addToState(
    const TrackParameters&,
    const LocalParameters&,
    const Amg::MatrixX&,
    FitQualityOnSurface*&) const = 0;

  virtual std::unique_ptr<TrackParameters> removeFromState(
    const TrackParameters&,
    const Amg::Vector2D&,
    const Amg::MatrixX&) const = 0;
  virtual std::unique_ptr<TrackParameters> removeFromState(
    const TrackParameters&,
    const LocalParameters&,
    const Amg::MatrixX&) const = 0;
  virtual std::unique_ptr<TrackParameters> removeFromState(
    const TrackParameters&,
    const Amg::Vector2D&,
    const Amg::MatrixX&,
    FitQualityOnSurface*&) const = 0;
  virtual std::unique_ptr<TrackParameters> removeFromState(
    const TrackParameters&,
    const LocalParameters&,
    const Amg::MatrixX&,
    FitQualityOnSurface*&) const = 0;

  virtual std::unique_ptr<TrackParameters> combineStates(
    const TrackParameters&,
    const TrackParameters&) const = 0;
  virtual std::unique_ptr<TrackParameters> combineStates(
    const TrackParameters&,
    const TrackParameters&,
    FitQualityOnSurface*&) const = 0;

  virtual std::pair<AmgVector(5), AmgSymMatrix(5)>* updateParameterDifference(
    const AmgVector(5) &,
    const AmgSymMatrix(5) &,
    const Amg::VectorX&,
    const Amg::MatrixX&,
    int,
    Trk::FitQualityOnSurface*&,
    bool) const = 0;

  virtual FitQualityOnSurface fullStateFitQuality(
    const TrackParameters&,
    const Amg::Vector2D&,
    const Amg::MatrixX&) const = 0;
  virtual FitQualityOnSurface fullStateFitQuality(
    const TrackParameters&,
    const LocalParameters&,
    const Amg::MatrixX&) const = 0;
  virtual FitQualityOnSurface predictedStateFitQuality(
    const TrackParameters&,
    const Amg::Vector2D&,
    const Amg::MatrixX&) const = 0;
  virtual FitQualityOnSurface predictedStateFitQuality(
    const TrackParameters&,
    const LocalParameters&,
    const Amg::MatrixX&) const = 0;
  virtual FitQualityOnSurface predictedStateFitQuality(
    const TrackParameters&,
    const TrackParameters&) const = 0;

  virtual std::vector<double> initialErrors() const = 0;
};
 
} // end of namespace
 
inline const InterfaceID&
Trk::IUpdator::interfaceID()
{
  return IID_IUpdator;
}
 
#endif // TRK_IUPDATOR_H