LocalParameters.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/

// LocalParameters.h, (c) ATLAS Detector software
 
#ifndef TRKEVENTPRIMITIVES_LOCALPARAMETERS_H
#define TRKEVENTPRIMITIVES_LOCALPARAMETERS_H
 
#include "EventPrimitives/EventPrimitives.h"
#include "GeoPrimitives/GeoPrimitives.h"
//
#include "TrkEventPrimitives/ParamDefs.h"
#include "TrkEventPrimitives/DefinedParameter.h"
#include "TrkEventPrimitives/ProjectionMatricesSet.h"
//
#include <array>
#include <vector>
#include <iosfwd> //std::ostream
 
 
class MsgStream;
 
class LocalParametersCnv_p1;
 
namespace Trk {

 
  class LocalParameters : public Amg::VectorX {
 
    public:
      LocalParameters() = default;
      //default other operations
      LocalParameters(const LocalParameters&) = default;
      LocalParameters(LocalParameters&&) = default;
      LocalParameters& operator=(const LocalParameters&) = default;
      LocalParameters& operator=(LocalParameters&&) = default;
      ~LocalParameters() = default;

      LocalParameters(const DefinedParameter& one);

      LocalParameters(const DefinedParameter& one,
                      const DefinedParameter& two);

      LocalParameters(const Amg::Vector2D& lp);

      LocalParameters(double locone, double loctwo, double tphi, double ttheta, double tqOverp);

      template <size_t N>
      LocalParameters(const std::array<DefinedParameter,N>& parms);

      LocalParameters(const std::vector<DefinedParameter>& parms);

      LocalParameters* clone() const;

      const Amg::MatrixX& reductionMatrix() const;

      const Amg::MatrixX& expansionMatrix() const;

      const Amg::VectorX& asVector() const;

      int dimension() const;

      int parameterKey() const;

      bool contains(ParamDefs par) const;

      const double & operator[](ParamDefs par) const;

      double & operator[](ParamDefs par);

      double get(ParamDefs par) const;

      double get(ParamDefs par);

      friend MsgStream& operator << ( MsgStream& sl, const LocalParameters& lp);
      friend std::ostream& operator << ( std::ostream& sl, const LocalParameters& lp);
 
    protected:
     friend class ::LocalParametersCnv_p1;
     int m_parameterkey = 0;
  };
 
} // end of namespace
 
#include "TrkEventPrimitives/LocalParameters.icc"
#endif // TRKEVENTPRIMITIVES_LOCALPARAMETERS_H