StJetFinder/AbstractFourVec.h

// -*- mode: c++;-*-
// $Id: AbstractFourVec.h,v 1.3 2008/04/23 19:24:09 tai Exp $
#ifndef ABSTRACTFOURVEC_H
#define ABSTRACTFOURVEC_H

#include <iostream>
#include <cmath>

class AbstractFourVec {

public:
  AbstractFourVec() {};
  virtual ~AbstractFourVec() {};
        
  //access
        
  //momenta
  virtual double px() const = 0;
  virtual double py() const = 0;
  virtual double pz() const = 0;
        
  //angles
  virtual double phi() const = 0;
  virtual double eta() const = 0;
        
  //4-th component
  virtual double eT() const = 0;
  virtual double e() const = 0;
  virtual double mass() const = 0;
        
  //charge
  virtual double charge() const = 0;
        
private:

};


inline std::ostream& operator<<(std::ostream& os, const AbstractFourVec& v)
{
    return os <<"et: "<<v.eT()<<"\tphi: "<<v.phi()<<"\teta: "<<v.eta()<<"\tmass: "<<v.mass()
                <<"\tcharge: "<<v.charge();
}

struct StreamFourVec
{
    void operator()(AbstractFourVec* v) {
      std::cout << *v << std::endl;
    }
};


#endif // ABSTRACTFOURVEC_H

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