/data/refman/pasoursint/CMSSW_5_2_9/src/DataFormats/GsfTrackReco/src/GsfTrackExtra.cc

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#include "DataFormats/GsfTrackReco/interface/GsfTrackExtra.h"
using namespace reco;

GsfTrackExtra::GsfTrackExtra( const std::vector<GsfComponent5D>& outerStates, 
                              const double& outerLocalPzSign,
                              const std::vector<GsfComponent5D>& innerStates, 
                              const double& innerLocalPzSign,
                              const std::vector<GsfTangent>& tangents)  :
  outerStates_(outerStates), positiveOuterStatePz_(outerLocalPzSign>0.),
  innerStates_(innerStates), positiveInnerStatePz_(innerLocalPzSign>0.),
  tangents_(tangents) {}
                                                                                                            
std::vector<double> 
GsfTrackExtra::weights (const std::vector<GsfComponent5D>& states) const
{
  std::vector<double> result(states.size());
  std::vector<double>::iterator ir(result.begin());
  for ( std::vector<GsfComponent5D>::const_iterator i=states.begin();
        i!=states.end(); ++i ) {
    *(ir++) = (*i).weight();
  }
  return result;
}

std::vector<GsfTrackExtra::LocalParameterVector> 
GsfTrackExtra::parameters (const std::vector<GsfComponent5D>& states) const
{
  std::vector<LocalParameterVector> result(states.size());
  std::vector<LocalParameterVector>::iterator ir(result.begin());
  for ( std::vector<GsfComponent5D>::const_iterator i=states.begin();
        i!=states.end(); ++i ) {
    *(ir++) = (*i).parameters();
  }
  return result;
}

std::vector<GsfTrackExtra::LocalCovarianceMatrix> 
GsfTrackExtra::covariances (const std::vector<GsfComponent5D>& states) const
{
  std::vector<LocalCovarianceMatrix> result(states.size());
  std::vector<LocalCovarianceMatrix>::iterator ir(result.begin());
  for ( std::vector<GsfComponent5D>::const_iterator i=states.begin();
        i!=states.end(); ++i ) {
    (*i).covariance(*(ir++));
  }
  return result;
}