KalmanGlobalCovariance.hpp File Reference

#include "Acts/Definitions/Algebra.hpp"
#include "Acts/Definitions/TrackParametrization.hpp"
#include "Acts/EventData/MultiTrajectory.hpp"
#include "Acts/EventData/TrackParameters.hpp"
#include "Acts/Geometry/GeometryContext.hpp"
#include "Acts/Surfaces/Surface.hpp"
#include <unordered_map>

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Namespaces
namespace	Acts
	Acts includes to create all necessary definitions.
namespace	Acts::detail
	These functions perform the transport of a covariance matrix using given Jacobians. The required data is provided by the stepper object with some additional data. Since this is a purely algebraic problem the calculations are identical for StraightLineStepper and EigenStepper. As a consequence the methods can be located in a separate file.

Functions
template<typename traj_t , typename parameters_t = BoundTrackParameters>
std::pair< ActsDynamicMatrix, std::unordered_map< size_t, size_t > >	Acts::detail::globalTrackParametersCovariance (const traj_t &multiTraj, const size_t &entryIndex)