ICommonTOB.h

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/*
   Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/

 
#ifndef GLOBALSIM_ICOMMONTOB_H
#define GLOBALSIM_ICOMMONTOB_H
 
#include <bitset>
#include <ostream>
#include "AthenaKernel/CLASS_DEF.h"
 
namespace GlobalSim::IOBitwise{
 
  class ICommonTOB {
 
  public:

    virtual ~ICommonTOB(){}

    static constexpr std::size_t s_et_width{13};
    static constexpr std::size_t s_eta_width{10};
    static constexpr std::size_t s_phi_width{9};
 
    static constexpr std::size_t s_eFex_granularity{100}; // MeV
 
    static constexpr ulong max_et{(1UL << s_et_width)-1};
    // Errors if 0 or small
    static_assert(max_et != 0 && max_et <(1ULL << 63),
          "Overflow or UB detected!");

    virtual std::bitset<s_et_width> et_bits() const = 0;
    virtual std::bitset<s_eta_width> eta_bits() const = 0;
    virtual std::bitset<s_phi_width> phi_bits() const = 0;
    virtual std::string to_string() const = 0;
  };
 
  using ICommonTOBContainer = std::vector<std::shared_ptr<ICommonTOB>>;
  
 
} //End of namespace 
 
std::ostream& operator << (std::ostream&,
               const GlobalSim::IOBitwise::ICommonTOB&);
 
CLASS_DEF( GlobalSim::IOBitwise::ICommonTOB , 220265942 , 1 )
CLASS_DEF( GlobalSim::IOBitwise::ICommonTOBContainer , 1229615490 , 1 )
 
#endif //GLOBALSIM_ICOMMONTOB_H