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source: git/external/TrackCovariance/SolGridCov.h@ 942a705

Last change on this file since 942a705 was ff9fb2d9, checked in by Pavel Demin <pavel.demin@…>, 5 years ago

add TrackCovariance

  • Property mode set to 100644
File size: 1.0 KB
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1#ifndef G__SOLGRIDCOV_H
2#define G__SOLGRIDCOV_H
3
4#include <TVectorD.h>
5#include <TMatrixDSym.h>
6
7class SolGeom;
8
9// Class to create geometry for solenoid geometry
10
11class SolGridCov{
12 // Class to handle storing and retrieving/interpolation of covariance matrices
13private:
14 Int_t fNpt; // Number of pt points in grid
15 TVectorD fPta; // Array of pt points in GeV
16 Int_t fNang; // Number of angle points in grid
17 TVectorD fAnga; // Array of angle points in degrees
18 TMatrixDSym *fCov; // Pointers to grid of covariance matrices
19 // Service routines
20 Int_t GetMinIndex(Double_t xval, Int_t N, TVectorD x); // Find bin
21 TMatrixDSym MakePosDef(TMatrixDSym NormMat); // Force positive definitness
22public:
23 SolGridCov();
24 ~SolGridCov();
25
26 void Calc(SolGeom *G);
27
28 // Covariance interpolation
29 Double_t GetMinPt() { return fPta(0); }
30 Double_t GetMaxPt() { return fPta(fNpt - 1); }
31 Double_t GetMinAng() { return fAnga(0); }
32 Double_t GetMaxAng() { return fAnga(fNang - 1); }
33 TMatrixDSym GetCov(Double_t pt, Double_t ang);
34};
35
36#endif
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