TrackJacobian_v1.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
#ifndef XAODTRACKING_VERSIONS_TRACKJACOBIAN_V1_H
#define XAODTRACKING_VERSIONS_TRACKJACOBIAN_V1_H
#include <cstdint>
#include "AthContainers/AuxElement.h"
#include "EventPrimitives/EventPrimitives.h"
 
namespace xAOD {
 
    class TrackJacobian_v1 : public SG::AuxElement {
    public:
        using ConstMatrixMap = Eigen::Map<const Eigen::Matrix<double, 6, 6>>;
        using MatrixMap = Eigen::Map<Eigen::Matrix<double, 6, 6>>;
 
        TrackJacobian_v1() = default;

        ConstMatrixMap jacEigen() const;

        MatrixMap jacEigen();

        void resize(size_t sz = 6*6);
    };
}
#endif