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File indexing completed on 2024-04-06 12:31:26
0001 #ifndef JacobianCurvilinearToCartesian_H 0002 #define JacobianCurvilinearToCartesian_H 0003 0004 #include "DataFormats/Math/interface/AlgebraicROOTObjects.h" 0005 0006 class GlobalTrajectoryParameters; 0007 0008 /** Class which calculates the Jacobian matrix of the transformation 0009 * from the curvilinear to the Cartesian frame. The Jacobian is calculated 0010 * during construction and thereafter cached, enabling reuse of the same 0011 * Jacobian without calculating it again. 0012 */ 0013 0014 class JacobianCurvilinearToCartesian { 0015 public: 0016 /** Constructor from global trajectory parameters. NB!! No default constructor exists! 0017 */ 0018 0019 JacobianCurvilinearToCartesian(const GlobalTrajectoryParameters& globalParameters); 0020 0021 /** Access to Jacobian. 0022 */ 0023 0024 const AlgebraicMatrix65& jacobian() const { return theJacobian; } 0025 0026 private: 0027 AlgebraicMatrix65 theJacobian; 0028 }; 0029 0030 #endif //JacobianCurvilinearToCartesian_H
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