text: //-------------------------------------------------
  //
  //   Class: L1MuGMTEtaLUT
  /**
   *   Description: Look-up table for GMT Eta projection unit
   *
   *                Caluclates float delta-eta from charge, eta and pT 
   *
   *                Simple static implementation with parametrization for
   *                CMS121 geometry
  */
  //
  //
  //   Author :
  //   H. Sakulin            CERN EP
  //
  //   Migrated to CMSSW:
  //   I. Mikulec
  //
  //--------------------------------------------------
  #ifndef L1TriggerGlobalMuonTrigger_L1MuGMTEtaLUT_h
  #define L1TriggerGlobalMuonTrigger_L1MuGMTEtaLUT_h
  
  //---------------
  // C++ Headers --
  //---------------
  
  #include <vector>
  
  //----------------------
  // Base Class Headers --
  //----------------------
  
  //------------------------------------
  // Collaborating Class Declarations --
  //------------------------------------
  
  //              ---------------------
  //              -- Class Interface --
  //              ---------------------
  
  class L1MuGMTEtaLUT {
  public:
    /// constructor
    L1MuGMTEtaLUT();
  
    /// destructor
    virtual ~L1MuGMTEtaLUT();
  
    /// look up delta-eta
    static float eta(int isys, int isISO, int icharge, float eta, float pt);
  
  private:
    static int etabin(float eta, int isys);
  
  private:
    static const int NSYS = 4;
    static const int DT = 0;
    static const int CSC = 1;
    static const int bRPC = 2;
    static const int fRPC = 3;
  
    // 3-bit eta, in hardware 4th bit is reserved for
    // positive / negative endcap asymmetries
    static const unsigned int NETA = 8;
  
    // 2 reference planes 0: calo, 1: vertex
    static const unsigned int NRP = 2;
  
    static float etabins[NSYS][NETA + 1];
    static float fitparams_eta[NRP][NSYS][NETA][3];
  };
  
  #endif
  