File indexing completed on 2024-04-06 12:31:44
0001 #ifndef RKCylindricalDistance_H
0002 #define RKCylindricalDistance_H
0003 #include "FWCore/Utilities/interface/Visibility.h"
0004
0005 #include "RKDistance.h"
0006 #include "RKSmallVector.h"
0007 #include "CylindricalState.h"
0008
0009 template <typename T, int N>
0010 class dso_internal RKCylindricalDistance final : public RKDistance<T, N> {
0011 public:
0012 typedef T Scalar;
0013 typedef RKSmallVector<T, N> Vector;
0014
0015 ~RKCylindricalDistance() override {}
0016
0017 Scalar operator()(const Vector& a, const Vector& b, const Scalar& rho) const override {
0018 CylindricalState astate(rho, a, 1.);
0019 CylindricalState bstate(rho, b, 1.);
0020 return (astate.position() - bstate.position()).mag() +
0021 (astate.momentum() - bstate.momentum()).mag() / bstate.momentum().mag();
0022 }
0023 };
0024
0025 #endif
