TemplatedNegativeTrackCountingComputer.h

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#ifndef ImpactParameter_TemplatedNegativeTrackCountingComputer_h
#define ImpactParameter_TemplatedNegativeTrackCountingComputer_h
 
#include "RecoBTag/ImpactParameter/interface/TemplatedTrackCountingComputer.h"
 
template <class Container, class Base>
class TemplatedNegativeTrackCountingComputer : public TemplatedTrackCountingComputer<Container, Base> {
public:
  TemplatedNegativeTrackCountingComputer(const edm::ParameterSet& parameters)
      : TemplatedTrackCountingComputer<Container, Base>(parameters) {}
 
  float discriminator(const JetTagComputer::TagInfoHelper& ti) const override {
    const typename TemplatedTrackCountingComputer<Container, Base>::TagInfo& tkip =
        ti.get<typename TemplatedTrackCountingComputer<Container, Base>::TagInfo>();
    std::multiset<float> significances = this->orderedSignificances(tkip);
    std::multiset<float>::iterator nth = significances.begin();
    for (int i = 0; i < this->m_nthTrack - 1 && nth != significances.end(); i++)
      nth++;
    if (nth != significances.end())
      return -(*nth);
    else
      return -100.;
  }
};
 
#endif  // ImpactParameter_TemplatedNegativeTrackCountingComputer_h