HcalTestBeamNumbering.cc

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#include "SimDataFormats/HcalTestBeam/interface/HcalTestBeamNumbering.h"
#include <iostream>

//#define EDM_ML_DEBUG

uint32_t HcalTestBeamNumbering::packIndex(int det, int lay, int x, int y) {

  int ix(0), ixx(x);
  if (x < 0) { ix = 1; ixx =-x;}
  int iy(0), iyy(y);
  if (y < 0) { iy = 1; iyy =-y;}
  uint32_t idx = (det&kHcalBeamTypeMask)<<kHcalBeamTypeOffset;
  idx         += (lay&kHcalBeamLayerMask)<<kHcalBeamLayerOffset;
  idx         += (iy&kHcalBeamYSignMask)<<kHcalBeamYSignOffset;
  idx         += (iyy&kHcalBeamYValueMask)<<kHcalBeamYValueOffset;
  idx         += (ix&kHcalBeamXSignMask)<<kHcalBeamXSignOffset;
  idx         += (ixx&kHcalBeamXValueMask)<<kHcalBeamXValueOffset;

#ifdef EDM_ML_DEBUG
  std::cout << "HcalTestBeamNumbering: Detector " << det << " Layer " << lay 
        << " x " << x << " " << ix << " " << ixx << " y " << y << " " 
        << iy << " " << iyy << " ID " << std::hex << idx << std::dec
        << std::endl;
#endif
  return idx;
}

void HcalTestBeamNumbering::unpackIndex(const uint32_t& idx, int& det, int& lay,
                    int& x, int& y) {

  det  = (idx>>kHcalBeamTypeOffset)&kHcalBeamTypeMask;
  lay  = (idx>>kHcalBeamLayerOffset)&kHcalBeamLayerMask;
  y    = (idx>>kHcalBeamYValueOffset)&kHcalBeamYValueMask; 
  x    = (idx>>kHcalBeamXValueOffset)&kHcalBeamXValueMask;
  if (((idx>>kHcalBeamYSignOffset)&kHcalBeamYSignMask) == 1) y = -y;
  if (((idx>>kHcalBeamXSignOffset)&kHcalBeamXSignMask) == 1) x = -x;

#ifdef EDM_ML_DEBUG
  std::cout << "HcalTestBeamNumbering: ID " << std::hex << idx << std::dec
        << " Detector " << det << " Layer " << lay << " x " << x << " y " 
        << y << std::endl;
#endif
}