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File indexing completed on 2025-09-18 09:31:43
0001 // @(#)root/mathcore:$Id$ 0002 // Authors: W. Brown, M. Fischler, L. Moneta 2005 0003 0004 /********************************************************************** 0005 * * 0006 * Copyright (c) 2005 , LCG ROOT MathLib Team * 0007 * * 0008 * * 0009 **********************************************************************/ 0010 0011 // Header file for class LorentzVectorfwd 0012 // 0013 // Created by: moneta at Tue May 31 21:06:43 2005 0014 // 0015 // Last update: Tue May 31 21:06:43 2005 0016 // 0017 #ifndef ROOT_Math_Vector4Dfwd 0018 #define ROOT_Math_Vector4Dfwd 1 0019 0020 0021 namespace ROOT { 0022 0023 namespace Math { 0024 0025 0026 // forward declarations of Lorentz Vectors and type defs definitions 0027 0028 template<class CoordSystem> class LorentzVector; 0029 0030 template<typename T> class PxPyPzE4D; 0031 template<typename T> class PtEtaPhiE4D; 0032 template<typename T> class PxPyPzM4D; 0033 template<typename T> class PtEtaPhiM4D; 0034 0035 // for LorentzVector have only double classes (define the vector in the global ref frame) 0036 0037 /** 0038 LorentzVector based on x,y,x,t (or px,py,pz,E) coordinates in double precision with metric (-,-,-,+) 0039 0040 To use it add the line `#include <Math/Vector4D.h>` 0041 0042 See the documentation on the LorentzVector page. 0043 */ 0044 typedef LorentzVector<PxPyPzE4D<double> > XYZTVector; 0045 // for consistency 0046 typedef LorentzVector<PxPyPzE4D<double> > PxPyPzEVector; 0047 0048 0049 /** 0050 LorentzVector based on x,y,x,t (or px,py,pz,E) coordinates in float precision with metric (-,-,-,+) 0051 0052 To use it add the line `#include <Math/Vector4D.h>` 0053 0054 See the documentation on the LorentzVector page. 0055 */ 0056 typedef LorentzVector< PxPyPzE4D <float> > XYZTVectorF; 0057 0058 0059 /** 0060 LorentzVector based on the x, y, z, and Mass in double precision 0061 0062 To use it add the line `#include <Math/Vector4D.h>` 0063 0064 See the documentation on the LorentzVector page. 0065 */ 0066 typedef LorentzVector<PxPyPzM4D<double> > PxPyPzMVector; 0067 0068 /** 0069 LorentzVector based on the cylindrical coordinates Pt, eta, phi and E (rho, eta, phi, t) in double precision 0070 0071 To use it add the line `#include <Math/Vector4D.h>` 0072 0073 See the documentation on the LorentzVector page. 0074 */ 0075 typedef LorentzVector<PtEtaPhiE4D<double> > PtEtaPhiEVector; 0076 0077 /** 0078 LorentzVector based on the cylindrical coordinates pt, eta, phi and Mass in double precision 0079 0080 To use it add the line `#include <Math/Vector4D.h>` 0081 0082 See the documentation on the LorentzVector page. 0083 */ 0084 typedef LorentzVector<PtEtaPhiM4D<double> > PtEtaPhiMVector; 0085 0086 } // end namespace Math 0087 0088 } // end namespace ROOT 0089 0090 #endif 0091
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