/data/refman/pasoursint/CMSSW_4_2_9_HLT1_bphpatch4/src/FastSimulation/TrackingRecHitProducer/src/FastStripCPE.cc

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#include "FastSimulation/TrackingRecHitProducer/interface/FastStripCPE.h"
#include "Geometry/CommonTopologies/interface/StripTopology.h"
#include <algorithm>
#include<cmath>
#include<map>


void FastStripCPE::enterLocalParameters(uint32_t id, uint16_t firstStrip, std::pair<LocalPoint, LocalError> pos_err_info ) const {
  //Filling the map.
  pos_err_map.insert(std::make_pair(std::make_pair(id, firstStrip), pos_err_info));
}

StripClusterParameterEstimator::LocalValues FastStripCPE::localParameters( const SiStripCluster & cl)const {
  std::map<std::pair<uint32_t,uint16_t>,std::pair<LocalPoint,LocalError> >::const_iterator strip_link = pos_err_map.find(std::make_pair(cl.geographicalId(),cl.firstStrip()));
  if (strip_link != pos_err_map.end()) {
    std::pair<LocalPoint,LocalError> pos_err_info = strip_link->second;
    LocalPoint result = pos_err_info.first;
    LocalError eresult = pos_err_info.second;
    return std::make_pair(result,eresult);
  }
  throw cms::Exception("FastStripCPE") << "Cluster not filled.";
}


LocalVector FastStripCPE::driftDirection(const StripGeomDetUnit* det) const {
  throw cms::Exception("FastStripCPE") << "Should Not Be Called.";
}