BremBinData.h

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#ifndef ATLFAST_BREMBINDATA_H
#define ATLFAST_BREMBINDATA_H
#include <cmath>
#include <vector>

#include "CLHEP/Matrix/SymMatrix.h"
#include "CLHEP/Random/JamesRandom.h"
#include "CLHEP/Units/SystemOfUnits.h"

#include "AtlfastEvent/TrackTrajectory.h"
#include "AtlfastAlgs/BinID.h"
#include "AtlfastAlgs/ParameterResolutions.h"

//======================================================
//
// BremBinData
//
// Class to hold smearing matrix data and
// calculate bremsstrahlung corrections 
// for a given track
//
//======================================================


namespace Atlfast 
{

  using std::vector;
  
  class BremBinData  
  {
    public:

      BremBinData( BinID&,
                   vector< ParameterResolutions* >,
                   vector< ParameterResolutions* >,
                   vector< ParameterResolutions* >,
                   int randSeed
                 );

      ~BremBinData();
      
      TrackTrajectory getBremTrack( const TrackTrajectory& track ) const; 

    private:
      
      BinID m_id;
      
      vector< ParameterResolutions* >  m_startPoints;
      vector< ParameterResolutions* >  m_slopes;
      vector< ParameterResolutions* >  m_sigmas;
      
      HepRandomEngine*  m_randomEngine;    
  };
  
}
#endif

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