PDFModelI.h

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//____________________________________________________________________________
/*!
 
\class    genie::PDFModelI
 
\brief    Pure abstract base class. Defines the PDFModelI interface to be
          implemented by wrapper classes to existing Parton Density Function
          libraries (PDFLIB, LHAPDF), or by built-in implementations.
 
\author   Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  May 04, 2004
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org          
*/
//____________________________________________________________________________
 
#ifndef _PDF_MODEL_I_H_
#define _PDF_MODEL_I_H_
 
#include "Framework/Algorithm/Algorithm.h"
#include "Physics/PartonDistributions/PDFt.h"
 
namespace genie {
 
class PDFModelI : public Algorithm {
 
public:
 
  virtual ~PDFModelI();
 
  //-- define PDFModelI interface
 
  virtual double UpValence   (double x, double Q2) const = 0;
  virtual double DownValence (double x, double Q2) const = 0;
  virtual double UpSea       (double x, double Q2) const = 0;
  virtual double DownSea     (double x, double Q2) const = 0;
  virtual double Strange     (double x, double Q2) const = 0;
  virtual double Charm       (double x, double Q2) const = 0;
  virtual double Bottom      (double x, double Q2) const = 0;
  virtual double Top         (double x, double Q2) const = 0;
  virtual double Gluon       (double x, double Q2) const = 0;
  virtual PDF_t  AllPDFs     (double x, double Q2) const = 0;
 
protected:
 
  PDFModelI();
  PDFModelI(string name);
  PDFModelI(string name, string config);
};
 
}         // genie namespace
 
#endif    // _PDF_MODEL_I_H_