AxialFormFactor.h

Go to the documentation of this file.

//____________________________________________________________________________
/*!
 
\class    genie::AxialFormFactor
 
\brief    A class holding the Axial Form Factor
 
          This class is using the \b Strategy Pattern. \n
 
\author    Aaron Meyer <asmeyer2012 \at uchicago.edu>
 
           based off AxialFormFactor by
           Costas Andreopoulos <c.andreopoulos \at cern.ch>
           University of Liverpool
 
\created  August 19, 2013
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org          
*/
//____________________________________________________________________________
 
#ifndef _AXIAL_FORM_FACTOR_H_
#define _AXIAL_FORM_FACTOR_H_
 
#include <iostream>
 
#include "Physics/QuasiElastic/XSection/AxialFormFactorModelI.h"
 
using std::ostream;
 
namespace genie {
 
class Interaction;
class AxialFormFactor;
ostream & operator << (ostream & stream, const AxialFormFactor & ff);
 
class AxialFormFactor {
 
public:
  AxialFormFactor();
  AxialFormFactor(const AxialFormFactor & form_factors);
  virtual ~AxialFormFactor() { }
 
  //! Attach an algorithm
  void   SetModel  (const AxialFormFactorModelI * model);
 
  //! Calculate the form factors for the input interaction using the attached algorithm
  void   Calculate (const Interaction * interaction);
 
  //! Get the computed axial form factor
  double FA (void) const { return fFA; }
 
  //! Get the attached model
  const AxialFormFactorModelI * Model (void) const {return fModel;}
 
  void   Reset    (Option_t * opt="");
  void   Copy     (const AxialFormFactor & ff);
  bool   Compare  (const AxialFormFactor & ff) const;
  void   Print    (ostream & stream) const;
 
  bool              operator == (const AxialFormFactor & ff) const;
  AxialFormFactor & operator =  (const AxialFormFactor & ff);
  friend ostream  & operator << (ostream & stream, const AxialFormFactor & ff);
 
private:
 
  double fFA;
 
  const AxialFormFactorModelI * fModel;
};
 
}        // genie namespace
 
#endif   // _AXIAL_FORM_FACTOR_H_