#ifndef _TRACKER_GLOBAL_WEIGHT_H_
#define _TRACKER_GLOBAL_WEIGHT_H_

#include "DataFormats/GeometryCommonDetAlgo/interface/GlobalErrorBase.h"
#include "DataFormats/GeometryCommonDetAlgo/interface/WeightMatrixTag.h"

/**
   * typedef to a  GlobalErrorBase object defined as a 3*3 weight matrix 
   * (i.e. the inverse of the covariance matrix)
   */

typedef GlobalErrorBase<double, WeightMatrixTag> GlobalWeight;

#endif
