QGLikelihoodCalculator.h

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#ifndef JetAlgorithms_QGLikelihoodCalculator_h
#define JetAlgorithms_QGLikelihoodCalculator_h

#include "CondFormats/JetMETObjects/interface/QGLikelihoodObject.h"
#include "FWCore/Framework/interface/ESHandle.h"

class QGLikelihoodCalculator{

 public:
  QGLikelihoodCalculator(){};
   ~QGLikelihoodCalculator(){};

  float computeQGLikelihood(edm::ESHandle<QGLikelihoodObject> &QGLParamsColl, float pt, float eta, float rho, std::vector<float> vars);
  float systematicSmearing(edm::ESHandle<QGLikelihoodSystematicsObject> &QGLParamsColl, float pt, float eta, float rho, float qgValue, int qgIndex);

 private:
  const QGLikelihoodObject::Entry* findEntry(std::vector<QGLikelihoodObject::Entry> const &data, float eta, float pt, float rho, int qgIndex, int varIndex);
  bool isValidRange(float pt, float rho, float eta, const QGLikelihoodCategory &qgValidRange);
  float smearingFunction(float x0, float a ,float b,float min,float max);
};

#endif