eTauSortSelectCountPortsOut.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef GLOBALSIM_ETAUSORTSELECTCOUNTPORTSOUT_H
#define GLOBALSIM_ETAUSORTSELECTCOUNTPORTSOUT_H
 
#include "GenericTob.h"
 
#include <ostream>
#include <memory>
#include <vector>
 
 
#include "AthenaKernel/CLASS_DEF.h"
 
namespace GlobalSim {
 
  struct eTauSortSelectCountPortsOut {
 
    //eTauSortSelectCount
 
    constexpr static std::size_t NumSort{3};
    // 0:eTaus 1:eTausl 2:eTausm, 3:eTauab, 4:eTauabm
    constexpr static std::size_t NumSelect{5};
    constexpr static std::size_t NumNoSort{0};
 
    // no of sorts = No of items to keep for each sort
    constexpr static std::array<std::size_t, NumSort> SortOutWidths {
      {6UL, 10UL, 10UL}
    };
 
    
    constexpr static std::size_t SortOutWidth{
      std::accumulate(std::begin(SortOutWidths),
              std::end(SortOutWidths),
              0U)};
 
    constexpr static std::size_t NoSortOutWidth{0};
 
    constexpr static std::size_t NumTotalTobWidth{SortOutWidth +
                          NoSortOutWidth};
 
    // indices to place sorted tobs in output array found by compile
    // time summing of width values.
    constexpr static std::array<std::size_t, NumSort> SortOutStart =
      []{
    std::array<std::size_t, NumSort> a{};
    std::partial_sum(std::cbegin(SortOutWidths),
             std::cend(SortOutWidths)-1,
             a.begin()+1,
             std::plus<std::size_t>());
    return a;
      }();
 
    constexpr static std::size_t NumCount{14};
    constexpr static std::array<unsigned, NumCount> CountOutWidth {
      2,2,2,2,2,2,2,2,2,2,2,2,2,2
    };
 
    // calculate the total width from the individual widths
    constexpr static std::size_t NumTotalCountWidth{
      std::accumulate(std::begin(CountOutWidth),
              std::end(CountOutWidth),
              0U)};
 
    // calculate the start position in the output bits for each count
    constexpr static std::array<std::size_t, NumCount> CountOutStart =
      []{
    std::array<std::size_t, NumCount> a{};
    std::partial_sum(std::cbegin(CountOutWidth),
             std::cend(CountOutWidth)-1,
             a.begin()+1,
             std::plus<std::size_t>());
    return a;
      }();
 
 
    // [2^n-1..]  where n are the elements of CountOutWidth
    constexpr static std::array<std::size_t, NumCount> max_counts = [] {
      std::array<std::size_t, NumCount> a{};
      for (std::size_t ind =0; ind != CountOutWidth.size(); ++ind) {
    std::size_t result = 1;
    for(unsigned i = 1; i <= CountOutWidth[ind]; ++i) {
      result *= 2;
    }
    
    a[ind] = result-1;
      }
      return a;
    }();
    
 
    using GenTobPtr = std::shared_ptr<GenericTob>;
    using BSPtrNumTotalCountWidth =
      std::shared_ptr<std::bitset<NumTotalCountWidth>>;
 
    // Output GenericTobs. VHDL variable is an array of GenericTobs
    std::array<GenTobPtr, NumTotalTobWidth>  m_O_eTauGenTob;
 
    // Output counts. VHDL variable is a bit array
    BSPtrNumTotalCountWidth
    m_O_Multiplicity{std::make_shared<std::bitset<NumTotalCountWidth>>()};
 
    eTauSortSelectCountPortsOut(){
      for(std::size_t i = 0; i != NumTotalTobWidth; ++i) {
    m_O_eTauGenTob[i] = std::make_shared<GenericTob>();
      }
    }    
  };
 
}
 
std::ostream&
operator<< (std::ostream&,
        const GlobalSim::eTauSortSelectCountPortsOut&);
 
CLASS_DEF( GlobalSim::eTauSortSelectCountPortsOut , 36365390 , 1 )
 
#endif