eFEXCompression.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
/***************************************************************************
                          eFEXCompression.h  -  description
                             -------------------
    begin                : 07-02-2019 
    email                : Alan.Watson@cern.ch antonio.jacques.costa@cern.ch
 ***************************************************************************/
 
                                                                                
 #ifndef eFEXCompression_H
 #define eFEXCompression_H
                                                                                
#include <array>
#include <atomic>
 
namespace LVL1 {

class eFEXCompression {
 
public: 
  static unsigned int compress(int Et);
  static int expand(unsigned int code);
  static unsigned int threshold(unsigned int code, int threshold = -800);
  static bool noiseCut(unsigned int code, int layer, bool ignoreDisable = false);
  static int decode(int EtVal, int layer, bool ignoreDisable = false);
 
  static std::atomic<bool> s_disableNoiseCuts;
 
private: 
  static const int s_maxET = 144800;
  static const unsigned int s_nRanges = 4;
  static const int s_steps[s_nRanges];
  static const int s_minET[s_nRanges];
  static const int s_minCode[s_nRanges];
  static const int s_NoData = 0;
  static const unsigned int s_LArUnderflow = 1;
  static const unsigned int s_LArOverflow  = 1020;
  static const unsigned int s_LArReserved  = 1021;
  static const unsigned int s_LArInvalid   = 1022;
  static const unsigned int s_LArSaturated = 1023;
  static const unsigned int s_LArMaxCode   = 1023;
  static const unsigned int s_eFEXstep     = 25;
  static const unsigned int s_eFEXOverflow = 0xffff;
  static const int s_error = -999;
  static const unsigned int m_noisecutPS = 64; // corresponds to 800 MeV
  static const unsigned int m_noisecutL1 = 48; // 400 MeV
  static const unsigned int m_noisecutL2 = 48;
  static const unsigned int m_noisecutL3 = 48;
  static const unsigned int m_noisecutHad = 48; // should only be applied for HEC
};
 
 
}//end of ns
 
#endif