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#ifndef JETRESOLUTION_H
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#define JETRESOLUTION_H
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#include <string>
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#include <vector>
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#include <TF1.h>
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class JetCorrectorParameters;
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class JetResolution
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{
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//
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// construction / destruction
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//
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public:
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JetResolution();
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JetResolution(const std::string& fileName,bool doGaussian=false);
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virtual ~JetResolution();
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//
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// member functions
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//
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public:
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void initialize(const std::string& fileName,bool doGaussian=false);
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const std::string& name() const { return name_; }
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TF1* resolutionEtaPt(float eta,float pt) const;
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TF1* resolution(const std::vector<float>&x, const std::vector<float>&y) const;
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TF1* parameterEta(const std::string& parameterName,float eta);
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TF1* parameter(const std::string& parameterName,const std::vector<float>&x);
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const JetCorrectorParameters& parameters(int i) const { return *(parameters_[i]); }
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//
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// data members
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//
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private:
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std::string name_;
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mutable TF1* resolutionFnc_;
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std::vector<TF1*> parameterFncs_;
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std::vector<JetCorrectorParameters*> parameters_;
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};
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#endif
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