GsfComponent5D.h

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#ifndef GsfTrackReco_GsfComponent5D_h
#define GsfTrackReco_GsfComponent5D_h
 
#include "DataFormats/Math/interface/Vector.h"
#include "DataFormats/Math/interface/Error.h"
 
namespace reco {
  class GsfComponent5D {
  public:
    enum { dimension = 5 };
    typedef math::Vector<dimension>::type ParameterVector;
    typedef math::Error<dimension>::type CovarianceMatrix;
    GsfComponent5D() : weight_(0.) {}
    GsfComponent5D(const double& weight, const ParameterVector& vector, const CovarianceMatrix& matrix);
    double weight() const { return weight_; }
    const ParameterVector& parameters() const { return parameters_; }
    CovarianceMatrix& covariance(CovarianceMatrix& matrix) const;
 
  private:
    double weight_;
    ParameterVector parameters_;
    float covariance_[dimension * (dimension + 1) / 2];
  };
}  // namespace reco
#endif