L1TObjects/interface/L1CaloEcalScale.h

0001 #ifndef L1TObjects_L1CaloEcalScale_h
0002 #define L1TObjects_L1CaloEcalScale_h
0003 // -*- C++ -*-
0004 //
0005 // Package:     L1TObjects
0006 // Class  :     L1CaloEcalScale
0007 //
0008 /**\class L1CaloEcalScale L1CaloEcalScale.h CondFormats/L1TObjects/interface/L1CaloEcalScale.h
0009
0010  Description: Class to handle conversion between Et scales in L1 hardware
0011
0012  Usage:
0013     <usage>
0014
0015 */
0016 //
0017 // Author:      Jim Brooke
0018 // Created:     Wed Sep 27 17:18:27 CEST 2006
0019 // $Id:
0020 //
0021
0022 #include "CondFormats/Serialization/interface/Serializable.h"
0023
0024 #include <vector>
0025 #include <ostream>
0026 #include <cstdint>
0027
0028 class L1CaloEcalScale {
0029 public:
0030   //  static const unsigned short nBinRank = 0xff;
0031   static const unsigned short nBinRank = 1 << 8;
0032   static const unsigned short nBinEta = 28;  // per half, eta index is 1-28
0033
0034   /// constructor (creates a linear scale with an LSB - no LSB gives identity)
0035   L1CaloEcalScale(double lsb = 1.0);
0036
0037   /// destructor
0038   ~L1CaloEcalScale();
0039
0040   // eta = |eta|
0041   // etaSign = +1 or -1
0042
0043   /// set scale element; use this to create non-linear scales
0044   void setBin(unsigned short rank,
0045               unsigned short eta,  // input eta index is 1-28
0046               short etaSign,
0047               double et);
0048
0049   /// convert from physical Et in GeV to rank scale
0050   uint16_t rank(double et,
0051                 unsigned short eta,  // input eta index is 1-28
0052                 short etaSign) const;
0053
0054   /// convert from rank to physically meaningful quantity
0055   double et(unsigned short rank,
0056             unsigned short eta,  // input eta index is 1-28
0057             short etaSign) const;
0058
0059   void print(std::ostream& s) const;
0060
0061 private:
0062   /// thresholds associated with rank scale in GeV
0063   // First nBinEta eta bins for positive eta, second nBinEta bins for negative
0064   double m_scale[nBinRank][2 * nBinEta];
0065
0066   COND_SERIALIZABLE;
0067 };
0068
0069 #endif