IKinematic.h Source File

00001 //===========================================================
00002 // Interface Base class needed for function objects
00003 //===========================================================
00004 
00005 #ifndef ATLFAST_IKINEMATIC_H
00006 #define ATLFAST_IKINEMATIC_H
00007 //#include "GaudiKernel/MsgStream.h"
00008 class MsgStream;
00009 
00010 class HepLorentzVector;
00011 
00012 namespace Atlfast {
00013 
00014   class IKinematic;
00015   MsgStream& operator << ( MsgStream&, const IKinematic& );
00016   MsgStream& operator << ( MsgStream&, const IKinematic * const );
00036   class IKinematic
00037     {
00038       
00039     public:
00040       
00041       virtual HepLorentzVector  momentum() const  = 0 ;
00042       virtual double  eta() const     = 0 ;
00043       virtual double  phi() const     = 0 ;    
00044       virtual double  pT()  const     = 0 ;
00045       virtual double  eT()  const     = 0 ;
00046       virtual double  mT()  const     = 0 ;
00047       
00048     };
00049   
00050 }
00051 #endif
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