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d88f97cc | 1 | #ifndef ALI3VECTOR_H |
2 | #define ALI3VECTOR_H | |
3da30618 | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
f531a546 | 6 | // $Id$ |
3da30618 | 7 | |
9f8f3e10 | 8 | #include "Riostream.h" |
d88f97cc | 9 | #include <math.h> |
10 | ||
11 | #include "TObject.h" | |
12 | #include "TString.h" | |
13 | ||
14 | class Ali3Vector | |
15 | { | |
16 | public: | |
17 | Ali3Vector(); // Default constructor | |
18 | virtual ~Ali3Vector(); // Destructor | |
19 | virtual void SetVector(Double_t* v,TString f); // Store vector v in frame f | |
20 | virtual void GetVector(Double_t* v,TString f); // Provide vector v in frame f | |
21 | virtual void SetVector(Float_t* v,TString f); // Store vector v in frame f | |
22 | virtual void GetVector(Float_t* v,TString f); // Provide vector v in frame f | |
959fbac5 | 23 | virtual void SetErrors(Double_t* e,TString f); // Store errors of vector in frame f |
24 | virtual void GetErrors(Double_t* e,TString f); // Provide errors of vector in frame f | |
25 | virtual void SetErrors(Float_t* e,TString f); // Store errors of vector in frame f | |
26 | virtual void GetErrors(Float_t* e,TString f); // Provide errors of vector in frame f | |
84bb7c66 | 27 | virtual void Data(TString f="car"); // Print vector components in frame f |
d88f97cc | 28 | Double_t GetNorm(); // Provide norm of the vector |
29 | Double_t Dot(Ali3Vector& q); // Provide dot product with q | |
959fbac5 | 30 | Double_t GetPseudoRapidity(); // Provide the pseudorapidity w.r.t z-axis |
31 | Double_t GetResultError(); // Provide error on scalar result (e.g. norm) | |
d88f97cc | 32 | Ali3Vector Cross(Ali3Vector& q); // Provide cross product with q |
33 | Ali3Vector operator+(Ali3Vector& q); // Add vector q | |
34 | Ali3Vector operator-(Ali3Vector& q); // Subtract vector q | |
35 | Ali3Vector operator*(Double_t s); // Multiply vector with scalar s | |
36 | Ali3Vector operator/(Double_t s); // Divide vector by scalar s | |
37 | Ali3Vector& operator+=(Ali3Vector& q); // Add vector q | |
38 | Ali3Vector& operator-=(Ali3Vector& q); // Subtract vector q | |
39 | Ali3Vector& operator*=(Double_t s); // Multiply with scalar s | |
40 | Ali3Vector& operator/=(Double_t s); // Divide by scalar s | |
d071d629 | 41 | Ali3Vector GetVecTrans(); // Provide transverse vector w.r.t. z-axis |
42 | Ali3Vector GetVecLong(); // Provide longitudinal vector w.r.t. z-axis | |
d88f97cc | 43 | |
44 | protected: | |
959fbac5 | 45 | Double_t fV,fTheta,fPhi; // Vector in spherical coordinates |
46 | Double_t fDx,fDy,fDz; // Errors on Cartesian coordinates | |
47 | Double_t fDresult; // Error on scalar result (e.g. norm or dotproduct) | |
d88f97cc | 48 | |
84bb7c66 | 49 | ClassDef(Ali3Vector,2) // Handling of 3-vectors in various reference frames. |
d88f97cc | 50 | }; |
51 | #endif |