MatchByDR.h

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#ifndef MatchByDR_h_
#define MatchByDR_h_
 
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "CommonTools/UtilAlgos/interface/DeltaR.h"
 
namespace reco {
  template <typename T1, typename T2>
  class MatchByDR {
  public:
    MatchByDR(const edm::ParameterSet& cfg) : maxDR_(cfg.getParameter<double>("maxDeltaR")) {}
    bool operator()(const T1& t1, const T2& t2) const { return deltaR_(t1, t2) < maxDR_; }
 
  private:
    DeltaR<T1, T2> deltaR_;
    double maxDR_;
  };
}  // namespace reco
 
#endif