KalmanVertexTrackUpdater.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2019 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#pragma once

#include "Acts/Utilities/Logger.hpp"
#include "Acts/Utilities/Result.hpp"
#include "Acts/Vertexing/KalmanVertexUpdater.hpp"
#include "Acts/Vertexing/TrackAtVertex.hpp"
#include "Acts/Vertexing/Vertex.hpp"

namespace Acts {
namespace KalmanVertexTrackUpdater {

template <typename input_track_t>
void update(TrackAtVertex<input_track_t>& track,
            const Vertex<input_track_t>& vtx);

namespace detail {

inline BoundMatrix createFullTrackCovariance(const SquareMatrix3& sMat,
                                             const ActsMatrix<4, 3>& newTrkCov,
                                             const SquareMatrix4& vtxWeight,
                                             const SquareMatrix4& vtxCov,
                                             const BoundVector& newTrkParams);

}  // Namespace detail

}  // Namespace KalmanVertexTrackUpdater
}  // Namespace Acts

#include "Acts/Vertexing/KalmanVertexTrackUpdater.ipp"