Back to home page

Project CMSSW displayed by LXR

 
 

    


File indexing completed on 2025-01-21 01:39:40

0001 #include "FWCore/Utilities/interface/Likely.h"
0002 #include "DataFormats/SiStripCluster/interface/SiStripCluster.h"
0003 
0004 SiStripCluster::SiStripCluster(const SiStripDigiRange& range) : firstStrip_(range.first->strip()), error_x(-99999.9) {
0005   std::vector<uint8_t> v;
0006   v.reserve(range.second - range.first);
0007 
0008   uint16_t lastStrip = 0;
0009   bool firstInloop = true;
0010   for (SiStripDigiIter i = range.first; i != range.second; i++) {
0011     /// check if digis consecutive
0012     if (!firstInloop && i->strip() != lastStrip + 1) {
0013       for (int j = 0; j < i->strip() - (lastStrip + 1); j++) {
0014         v.push_back(0);
0015       }
0016     }
0017     lastStrip = i->strip();
0018     firstInloop = false;
0019 
0020     v.push_back(i->adc());
0021   }
0022   amplitudes_ = v;
0023   initQB();
0024 }
0025 
0026 SiStripCluster::SiStripCluster(const SiStripApproximateCluster cluster, const uint16_t maxStrips) : error_x(-99999.9) {
0027   barycenter_ = cluster.barycenter() / 10.0;
0028   charge_ = cluster.width() * cluster.avgCharge();
0029   amplitudes_.resize(cluster.width(), cluster.avgCharge());
0030   filter_ = cluster.filter();
0031 
0032   float halfwidth_ = 0.5f * float(cluster.width());
0033 
0034   //initialize firstStrip_
0035   firstStrip_ = std::max(barycenter_ - halfwidth_, 0.f);
0036 
0037   if UNLIKELY (firstStrip_ + cluster.width() > maxStrips) {
0038     firstStrip_ = maxStrips - cluster.width();
0039   }
0040   firstStrip_ |= approximateMask;
0041 }