gFEXCompression.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
//***************************************************************************
//    gFEXCompression - Energy encoder/decoder for gFEX
//                              -------------------
//     begin                : 01 04 2021
//     email                : cecilia.tosciri@cern.ch
//***************************************************************************
#ifndef gFEXCompression_H
#define gFEXCompression_H
 
namespace LVL1 {
 
class gFEXCompression {
 
public:
  static unsigned int compress(float Energy);
  static int expand(unsigned int code);
  static unsigned int threshold(unsigned int code, int threshold = -101200);
  static unsigned int linearize(unsigned int code, int threshold = 0);
 
private:
  static const int s_maxET = 1019200;
  static const unsigned int s_nRanges = 6;
  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  = 4062;
  static const unsigned int s_LArReserved_min  = 4063;
  static const unsigned int s_LArReserved_max  = 4094;
  static const unsigned int s_LArInvalid   = 4095;
  //static const unsigned int s_LArSaturated = 1023;
  static const unsigned int s_LArMaxCode   = 4095;
  static const unsigned int s_gFEXstep     = 200;
  static const unsigned int s_gFEXOverflow = 0xffff;
  static const int s_error = -999;
};
 
 
}//end of ns
 
#endif