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/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/RecoPixelVertexing/PixelTrackFitting/src/RZLine.h

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00001 #ifndef PixelTrackFitting_RZLine_H
00002 #define PixelTrackFitting_RZLine_H
00003 
00004 #include "DataFormats/GeometryVector/interface/GlobalPoint.h"
00005 #include "DataFormats/GeometryCommonDetAlgo/interface/GlobalError.h"
00006 #include <vector>
00007 
00008 class RZLine {
00009 public:
00010 
00011 
00012   RZLine( const std::vector<GlobalPoint> & points, 
00013           const std::vector<GlobalError> & errors, 
00014           const std::vector<bool> isBarrel);
00015   RZLine( const std::vector<float> & aR, 
00016           const std::vector<float> & aZ, 
00017           const std::vector<float> & aErrZ);
00018 
00019   void fit(float & cotTheta, float & intercept, float &covss, float &covii, float &covsi) const; 
00020 
00021   float chi2(float cotTheta, float intercept) const;
00022 
00023 private:
00024   std::vector<float> storage;
00025   int nPoints;
00026   float *r, *z, *errZ2;
00027 };
00028 #endif