PVReconstruction.h

// (c) Copyright 2022 CERN for the benefit of the LHCb Collaboration.
//
// This software is distributed under the terms of the GNU General Public
// Licence version 3 (GPL Version 3), copied verbatim in the file "LICENCE".
//
// In applying this licence, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#pragma once
 
#include <array>
 
#include "SQLamarr/BaseSqlInterface.h"
#include "SQLamarr/Transformer.h"
 
namespace SQLamarr 
{
  class PVReconstruction: public BaseSqlInterface, public Transformer
  {
    public:
      struct SmearingParametrization_1D {
        float mu, f1, f2, sigma1, sigma2, sigma3;
      };
 
      struct SmearingParametrization {
 
        std::array<SmearingParametrization_1D, 3> data;
 
        SmearingParametrization_1D& x() { return data[0]; }
 
        SmearingParametrization_1D& y() { return data[1]; }
 
        SmearingParametrization_1D& z() { return data[2]; }
      };
 
      PVReconstruction(
          SQLite3DB& db,  
 
          const SmearingParametrization& parametrization 
          );
 
      static SmearingParametrization load_parametrization (
          const std::string file_path,  
          const std::string table_name, 
          const std::string condition   
          );
 
      void execute () override;
 
    private: // members
      SmearingParametrization m_parametrization;
 
    private: // methods
      static void _sql_rnd_ggg (
          sqlite3_context *context,
          int argc,
          sqlite3_value **argv
          );
 
  };
}