Acts/TrackFitting/GsfComponent.hpp

0001 // This file is part of the ACTS project.
0002 //
0003 // Copyright (C) 2016 CERN for the benefit of the ACTS project
0004 //
0005 // This Source Code Form is subject to the terms of the Mozilla Public
0006 // License, v. 2.0. If a copy of the MPL was not distributed with this
0007 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
0008
0009 #pragma once
0010
0011 #include "Acts/Definitions/TrackParametrization.hpp"
0012
0013 namespace Acts {
0014
0015 /// Encapsulates a component of a Gaussian mixture as used by the GSF
0016 struct GsfComponent {
0017   /// Weight of this component in the Gaussian mixture
0018   double weight = 0;
0019   /// Bound track parameters for this component
0020   BoundVector boundPars = BoundVector::Zero();
0021   /// Covariance matrix for the bound track parameters
0022   BoundMatrix boundCov = BoundMatrix::Zero();
0023 };
0024
0025 }  // namespace Acts