File indexing completed on 2024-04-06 12:04:14
0001 #ifndef Surface_GeometricSorting_h
0002 #define Surface_GeometricSorting_h
0003
0004 #include <functional>
0005 #include <DataFormats/GeometryVector/interface/Phi.h>
0006
0007 namespace geomsort {
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0021 template <class T, class Scalar = typename T::Scalar>
0022 struct ExtractR {
0023 typedef Scalar result_type;
0024 Scalar operator()(const T* p) const { return p->position().perp(); }
0025 Scalar operator()(const T& p) const { return p.position().perp(); }
0026 };
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0044 template <class T, class Scalar = typename T::Scalar>
0045 struct ExtractPhi {
0046 typedef Geom::Phi<Scalar> result_type;
0047 Geom::Phi<Scalar> operator()(const T* p) const { return p->position().phi(); }
0048 Geom::Phi<Scalar> operator()(const T& p) const { return p.position().phi(); }
0049 };
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0063 template <class T, class Scalar = typename T::Scalar>
0064 struct ExtractZ {
0065 typedef Scalar result_type;
0066 Scalar operator()(const T* p) const { return p->position().z(); }
0067 Scalar operator()(const T& p) const { return p.position().z(); }
0068 };
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0082 template <class T, class Scalar = typename T::Scalar>
0083 struct ExtractAbsZ {
0084 typedef Scalar result_type;
0085 Scalar operator()(const T* p) const { return fabs(p->position().z()); }
0086 Scalar operator()(const T& p) const { return fabs(p.position().z()); }
0087 };
0088
0089 }
0090 #endif