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#ifndef GsfTrackReco_GsfComponent5D_h
#define GsfTrackReco_GsfComponent5D_h
#include "DataFormats/Math/interface/Vector.h"
#include "DataFormats/Math/interface/Error.h"
/// fixed size matrix
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
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