MahalanobisDistance.h

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#ifndef MahalanobisDistance_H
#define MahalanobisDistance_H

#include "TrackingTools/GsfTools/interface/DistanceBetweenComponents.h"

class TrajectoryStateOnSurface;

class MahalanobisDistance : public DistanceBetweenComponents {

 public:

  virtual double operator() (const RCSingleGaussianState&, 
                 const RCSingleGaussianState&) const;

  virtual MahalanobisDistance* clone() const
  {  
    return new MahalanobisDistance(*this);
  }
  
};  

#endif // MahalanobisDistance_H