XSecLinearCombinations.h

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//____________________________________________________________________________
/*!
 
\class    genie::XSecLinearCombinations
 
\brief    Computes the xsec as a linear combination of different XSecSlgorithmI
          See GENIE docdb 252
 
\author   Code contributed by J.Tena Vidal and M.Roda
 
\created  Mar 12, 2020
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org
*/
//____________________________________________________________________________
 
#ifndef _XSEC_LINEAR_COMBINATIONS_H_
#define _XSEC_LINEAR_COMBINATIONS_H_
 
#include "Framework/EventGen/XSecAlgorithmI.h"
 
namespace genie {
 
class XSecIntegratorI;
 
class XSecLinearCombinations : public XSecAlgorithmI {
 
public:
  XSecLinearCombinations();
  XSecLinearCombinations(string config);
  virtual ~XSecLinearCombinations();
 
  // XSecAlgorithmI interface implementation
  double XSec            (const Interaction * i, KinePhaseSpace_t k) const;
  double Integral        (const Interaction * i) const;
  bool   ValidProcess    (const Interaction * i) const;
 
  // override the Algorithm::Configure methods to load configuration
  // data to private data members
  void Configure (const Registry & config);
  void Configure (string config);
 
 protected:
 
  // Load algorithm configuration
  void LoadConfig (void);
 
 private: 
 
  std::vector<const XSecAlgorithmI*> fXSections ;
  std::vector<double> fLinearCoefficients ;
 
};
 
}       // genie namespace
#endif  // _XSEC_LINEAR_COMBINATIONS_H_