IntegratedCalibrationBase.cc

Go to the documentation of this file.

 
#include "Alignment/CommonAlignmentAlgorithm/interface/IntegratedCalibrationBase.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "DataFormats/TrackingRecHit/interface/TrackingRecHit.h"
 
// Already included in header:
//#include <vector>
//#include <utility>
 
//============================================================================
IntegratedCalibrationBase::IntegratedCalibrationBase(const edm::ParameterSet &cfg)
    : name_(cfg.getParameter<std::string>("calibrationName")) {}
 
//============================================================================
std::vector<IntegratedCalibrationBase::Values> IntegratedCalibrationBase::derivatives(
    const TrackingRecHit &hit,
    const TrajectoryStateOnSurface &tsos,
    const edm::EventSetup &setup,
    const EventInfo &eventInfo) const {
  // Prepare result vector, initialised all with 0.:
  std::vector<Values> result(this->numParameters(), Values(0., 0.));
 
  // Get non-zero derivatives and their index:
  std::vector<ValuesIndexPair> derivsIndexPairs;
  const unsigned int numNonZero = this->derivatives(derivsIndexPairs, hit, tsos, setup, eventInfo);
 
  // Put non-zero values into result:
  for (unsigned int i = 0; i < numNonZero; ++i) {
    const ValuesIndexPair &valuesIndex = derivsIndexPairs[i];
    result[valuesIndex.second] = valuesIndex.first;
  }
 
  return result;
}