LitTrackParam.h

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/* Copyright (C) 2009-2013 GSI/JINR-LIT, Darmstadt/Dubna
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Andrey Lebedev [committer] */
 
#ifndef LITTRACKPARAM_H_
#define LITTRACKPARAM_H_ 1
 
#include "LitTypes.h"
#include "LitUtils.h"
 
#include <sstream>
#include <string>
using std::ostream;
using std::string;
using std::stringstream;
 
namespace lit
{
  namespace parallel
  {
 
    template<class T>
    class LitTrackParam {
     public:
      LitTrackParam()
        : X(0.)
        , Y(0.)
        , Z(0.)
        , Tx(0.)
        , Ty(0.)
        , Qp(0.)
        , C0(0.)
        , C1(0.)
        , C2(0.)
        , C3(0.)
        , C4(0.)
        , C5(0.)
        , C6(0.)
        , C7(0.)
        , C8(0.)
        , C9(0.)
        , C10(0.)
        , C11(0.)
        , C12(0.)
        , C13(0.)
        , C14(0.)
      {
      }
 
      virtual ~LitTrackParam() {}
 
      string ToString() const
      {
        stringstream ss;
        ss << "LitTrackParam: X=" << X << " Y=" << Y << " Z=" << Z << " Tx=" << Tx << " Ty=" << Ty << " Qp=" << Qp
           << "\n"
           << " cov matrix[0-14]: " << C0 << " " << C1 << " " << C2 << " " << C3 << " " << C4 << " " << C5 << " " << C6
           << " " << C7 << " " << C8 << " " << C9 << " " << C10 << " " << C11 << " " << C12 << " " << C13 << " " << C14
           << "\n";
        return ss.str();
      }
 
      friend ostream& operator<<(ostream& strm, const LitTrackParam& par)
      {
        strm << par.ToString();
        return strm;
      }
 
     public:
      T X;   // X position of the track
      T Y;   // Y position of the track
      T Z;   // Z position of the track
      T Tx;  // Slope which equals to dx/dz
      T Ty;  // Slope which equals to dy/dz
      T Qp;  // Charge (+1 or -1) over momentum
 
      // Symetric covariance matrix
      T C0, C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14;
    } _fvecalignment;
 
    typedef LitTrackParam<fvec> LitTrackParamVec;
 
    typedef LitTrackParam<fscal> LitTrackParamScal;
 
  }  // namespace parallel
}  // namespace lit
#endif /* LITTRACKPARAM_H_ */