ConversionLikelihoodCalculator.h

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#ifndef ConversionLikelihoodCalculator_h
#define ConversionLikelihoodCalculator_h

#include "DataFormats/EgammaCandidates/interface/ConversionFwd.h"
#include "DataFormats/EgammaCandidates/interface/Conversion.h"

#include "TMVA/Reader.h"
#include <memory>

class ConversionLikelihoodCalculator {
public:
  ConversionLikelihoodCalculator();
  void setWeightsFile(const char* weightsFile);

  double calculateLikelihood(reco::ConversionRef conversion);
  double calculateLikelihood(reco::Conversion& conversion);

private:
  std::unique_ptr<TMVA::Reader> reader_;
  float log_e_over_p_;
  float log_abs_cot_theta_;
  float log_abs_delta_phi_;
  float log_chi2_max_pt_;
  float log_chi2_min_pt_;
};

#endif