/data/refman/pasoursint/CMSSW_4_4_5_patch3/src/TrackPropagation/RungeKutta/src/GlobalParametersWithPath.h

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#ifndef GlobalParametersWithPath_H
#define GlobalParametersWithPath_H

#include "FWCore/Utilities/interface/Visibility.h"
#include "TrackingTools/TrajectoryParametrization/interface/GlobalTrajectoryParameters.h"

class dso_internal GlobalParametersWithPath {
public:
  GlobalParametersWithPath() : gtp_(), s_(0), valid_(false) {}
  GlobalParametersWithPath( const GlobalTrajectoryParameters& gtp, double s) : 
    gtp_(gtp), s_(s), valid_(true) {}
  GlobalParametersWithPath( const GlobalTrajectoryParameters& gtp, 
                            double s, bool valid) : gtp_(gtp), s_(s), valid_(valid) {}
                 
  const GlobalTrajectoryParameters& parameters() const {return gtp_;}

  double pathLength() const {return s_;}
  double s() const {return pathLength();}

  bool isValid() const {return valid_;}
  operator bool() const {return valid_;}

private:
  GlobalTrajectoryParameters gtp_;
  double s_;
  bool valid_;
};

#endif