MatrixNtupleBranch.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRK_MATRIXNTUPLEBRANCH_H
#define TRK_MATRIXNTUPLEBRANCH_H
 
#include <string>
class TTree;
 
#include "EventPrimitives/EventPrimitives.h"
#include "CLHEP/Geometry/Transform3D.h"
 
namespace Trk {

 
  struct MatrixNtupleBranch {

    bool initForWrite(TTree& tree, const std::string& varname, int ncol, int nrow, const std::string& prefix = ""  );

    bool initForRead(TTree& tree, const std::string& varname, int ncol, int nrow, const std::string& prefix = "" );
    
    bool fill( const Amg::MatrixX& matrix );

    bool fill( const HepGeom::Rotate3D& matrix );

    static const int COLMAX = 10;
    static const int ROWMAX = 10;
    int m_nrows{-1};
    int m_ncols{-1};
    float  m_matrix[COLMAX][ROWMAX]{}; 
  };   
 
}
 
#endif