/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/GeneratorInterface/LHEInterface/interface/JetMatchingMLM.h

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#ifndef GeneratorInterface_LHEInterface_JetMatchingMLM_h
#define GeneratorInterface_LHEInterface_JetMatchingMLM_h

#include <memory>
#include <vector>

#include <HepMC/GenEvent.h>
#include <HepMC/SimpleVector.h>

#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "GeneratorInterface/LHEInterface/interface/JetMatching.h"

namespace lhef {

class JetInput;
class JetClustering;

class JetMatchingMLM : public JetMatching {
    public:
        JetMatchingMLM(const edm::ParameterSet &params);
        ~JetMatchingMLM();

    private:
        std::set<std::string> capabilities() const;

        double match(const HepMC::GenEvent *partonLevel,
                     const HepMC::GenEvent *finalState,
                     bool showeredFinalState);

        enum MatchMode {
                kExclusive = 0,
                kInclusive
        };

        const double                    maxDeltaR;
        const double                    minJetPt;
        double                          maxEta;
        double                          matchPtFraction;
        bool                            useEt;
        MatchMode                       matchMode;

        std::auto_ptr<JetInput>         partonInput;
        std::auto_ptr<JetInput>         jetInput;
        std::auto_ptr<JetClustering>    jetClustering;
};

} // namespace lhef

#endif // GeneratorCommon_LHEInterface_JetMatchingMLM_h