File indexing completed on 2024-04-06 12:01:16
0001 #ifndef MatchLessByDPt_h_
0002 #define MatchLessByDPt_h_
0003
0004
0005
0006
0007 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0008
0009
0010 namespace reco {
0011 template <typename C1, typename C2>
0012 struct MatchLessByDPt {
0013 public:
0014 MatchLessByDPt(const edm::ParameterSet& cfg, const C1& c1, const C2& c2)
0015 :
0016 c1_(c1),
0017 c2_(c2) {}
0018 bool operator()(const std::pair<size_t, size_t>& p1, const std::pair<size_t, size_t>& p2) const {
0019 typedef typename C1::value_type T1;
0020 typedef typename C2::value_type T2;
0021 const T1& p1_1 = c1_[p1.first];
0022 const T2& p1_2 = c2_[p1.second];
0023 const T1& p2_1 = c1_[p2.first];
0024 const T2& p2_2 = c2_[p2.second];
0025 if (fabs(p1_1.pt() - p1_2.pt()) / p1_2.pt() < fabs(p2_1.pt() - p2_2.pt()) / p2_2.pt())
0026 return true;
0027 return false;
0028 }
0029
0030 private:
0031
0032 const C1& c1_;
0033 const C2& c2_;
0034 };
0035 }
0036
0037 #endif