eRatioAlgTool_UCL.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef GLOBALSIM_EGAMMA1ERATIOALGTOOL_H
#define GLOBALSIM_EGAMMA1ERATIOALGTOOL_H

 
#include "../GlobalSimComponents/IGlobalSimAlgTool.h"
#include "../IO/LArStripNeighborhood.h"
#include "../IO/eEmNbhoodTOB.h"
#include "../IO/eEmEg1eRatioTOB.h"
 
#include "../Utilities/IDataCollector.h"
 
#include "ap_int.h"
#include "ap_fixed.h"
#include "../Utilities/Digitizer.h"
 
#include "AthenaBaseComps/AthAlgTool.h"
 
#include <string>
#include <vector>
 
namespace GlobalSim {
  class eRatioAlgTool_UCL: public extends<AthAlgTool, IGlobalSimAlgTool> {
    
  public:
    eRatioAlgTool_UCL(const std::string& type,
                const std::string& name,
                const IInterface* parent);
    
    virtual ~eRatioAlgTool_UCL() = default;
    
    StatusCode initialize() override;
 
    virtual StatusCode run(const std::unique_ptr<IDataCollector>&,
               const EventContext& ctx) const override;
    
    virtual std::string toString() const override;
 
  private:
    
    Gaudi::Property<bool>
    m_enableDump{this,
         "enableDump",
         {false},
         "flag to enable dumps"};
 
    // input to the  eRatio Algorithm
    SG::ReadHandleKey<IOBitwise::eEmNbhoodTOBContainer>
    m_nbhdTOBContainerReadKey {
      this,
      "LArNeighborhoodTOBContainerReadKey",
      "stripNeighborhoodTOBContainer",
      "key to read inLArNeighborhoodTOBsReadKeys"};
    
    SG::WriteHandleKey<std::vector<float>>
    m_eRatioKey {
      this,
      "eRatioKey",
      "eRatio"};
 
    SG::WriteHandleKey<std::vector<float>>
    m_eRatioSimpleKey {
      this,
      "eRatioSimpleKey",
      "eRatioSimple"};
    
    std::vector<double> combine_phi(const IOBitwise::eEmNbhoodTOB*) const;
    ap_int<16> secondPeakSearch(const std::vector<ap_int<16>>& input, const ap_int<16> peak,
                const int startCell, const int endCell,
                const ap_int<16> noiseMargin) const;
    
    // a neighborhood has 3 vectors of strip energies (phi_low, phi_center.
    // phi_high). Provide the length thes vectors must have for the eRatio to be
    // evaluated
    static inline constexpr int s_required_phi_len = 17;
    
    // the three strip energy vectors are combined to form a single vector.
    // the length of this vector have the following length.
    static inline constexpr int s_combination_len = 51;
  };
}
#endif