3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
11 #include "Ali3Vector.h"
16 Ali4Vector(); // Default constructor for contravariant vector
17 virtual ~Ali4Vector(); // Destructor
18 virtual void SetVector(Double_t v0,Ali3Vector v); // Store contravariant vector
19 virtual void SetVector(Double_t* v,TString f); // Store contravariant vector v^i in frame f
20 virtual void GetVector(Double_t* v,TString f); // Provide contravariant vector v^i in frame f
21 virtual void SetVector(Float_t* v,TString f); // Store contravariant vector v^i in frame f
22 virtual void GetVector(Float_t* v,TString f); // Provide contravariant vector v^i in frame f
23 virtual void SetScalar(Double_t v0,Double_t dv0=0); // Set the scalar part (with error) of v
24 virtual void SetScalarError(Double_t dv0); // Set error on the scalar part of v
25 Double_t GetScalar(); // Provide the scalar part of v
26 virtual void Set3Vector(Ali3Vector v); // Set the 3-vector part of v
27 virtual void Set3Vector(Double_t* v,TString f); // Set the 3-vector part of v in frame f
28 virtual void Set3Vector(Float_t* v,TString f); // Set the 3-vector part of v in frame f
29 Ali3Vector Get3Vector(); // Provide the 3-vector part of v
30 virtual void SetInvariant(Double_t v2,Double_t dv2=0); // Set the Lorentz invariant (with error)
31 virtual void SetInvariantError(Double_t dv2); // Set error on the Lorentz invariant
32 Double_t GetInvariant(); // Provide the Lorentz invariant
33 virtual void SetErrors(Double_t* v,TString f); // Store errors of vector v^i in frame f
34 virtual void GetErrors(Double_t* v,TString f); // Provide errors of vector v^i in frame f
35 virtual void SetErrors(Float_t* v,TString f); // Store errors of vector v^i in frame f
36 virtual void GetErrors(Float_t* v,TString f); // Provide errors of vector v^i in frame f
37 virtual void Info(TString f="car"); // Print contravariant components in frame f
38 Double_t Dot(Ali4Vector& q); // Provide dot product v^i*q_i
39 Double_t GetResultError(); // Provide error on scalar result (e.g. Dot)
40 Ali4Vector operator+(Ali4Vector& q); // Add contravariant vector q
41 Ali4Vector operator-(Ali4Vector& q); // Subtract contravariant vector q
42 Ali4Vector operator*(Double_t s); // Multiply contravariant vector with scalar s
43 Ali4Vector operator/(Double_t s); // Divide contravariant vector by scalar s
44 Ali4Vector& operator+=(Ali4Vector& q); // Add contravariant vector q
45 Ali4Vector& operator-=(Ali4Vector& q); // Subtract contravariant vector q
46 Ali4Vector& operator*=(Double_t s); // Multiply with scalar s
47 Ali4Vector& operator/=(Double_t s); // Divide by scalar s
48 Int_t GetScalarFlag(); // Provide the fScalar flag value
49 Ali3Vector GetVecTrans(); // Provide transverse vector part w.r.t. z-axis
50 Ali3Vector GetVecLong(); // Provide longitudinal vector part w.r.t. z-axis
51 Double_t GetPseudoRapidity(); // Provide pseudorapidity of vector part w.r.t z-axis
54 Double_t fV2; // The Lorentz invariant (v^i*v_i)
55 Double_t fV0; // The scalar part
56 Ali3Vector fV; // The 3-vector part
57 Double_t fDv2; // The error on the Lorentz invariant
58 Double_t fDv0; // The error on the scalar part
59 Double_t fDresult; // The error on the scalar result of an operation (e.g. dotproduct)
60 Int_t fScalar; // Flag denoting scalar mode
61 Double_t GetScaTrans(); // Provide "transverse value" of scalar part w.r.t. z-axis
62 Double_t GetScaLong(); // Provide "longitudinal value" of scalar part w.r.t. z-axis
64 ClassDef(Ali4Vector,1) // Handling of Lorentz 4-vectors in various reference frames.