AlamSimoAtharVacasSKXSec.h

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//____________________________________________________________________________
/*!
 
\class    genie::AlamSimoAtharVacasSKXSec
 
\brief    A cross-section integrator and GSL interface for the
          M. Rafi Alam, I. Ruiz Simo, M. Sajjad Athar and M.J. Vicente Vacas
          single-Kaon production model.
          Is a concrete implementation of the XSecIntegratorI interface.
 
\author   Chris Marshall and Martti Nirkko
 
\created  March 20, 2014
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org          
*/
//____________________________________________________________________________
 
#ifndef _ALAM_SIMO_ATHAR_VACAS_SINGLE_KAON_XSEC_H_
#define _ALAM_SIMO_ATHAR_VACAS_SINGLE_KAON_XSEC_H_
 
#include <Math/Integrator.h>
#include <Math/IFunction.h>
#include <Math/IntegratorMultiDim.h>
 
#include "Physics/XSectionIntegration/XSecIntegratorI.h"
 
namespace genie {
 
class XSecAlgorithmI;
class Interaction;
 
class AlamSimoAtharVacasSKXSec : public XSecIntegratorI {
public:
  AlamSimoAtharVacasSKXSec();
  AlamSimoAtharVacasSKXSec(string config);
  virtual ~AlamSimoAtharVacasSKXSec();
 
  // XSecIntegratorI interface implementation
  double Integrate(const XSecAlgorithmI * model, const Interaction * i) const;
 
  // Overload the Algorithm::Configure() methods to load private data
  // members from configuration options
  void Configure(const Registry & config);
  void Configure(string config);
 
protected:
  bool fSplitIntegral;
 
private:
  void LoadConfig (void);
};
 
//_____________________________________________________________________________________
//
// GSL wrappers
//
//_____________________________________________________________________________________
 
 namespace utils {
  namespace gsl   {
 
   class d3Xsec_dTldTkdCosThetal: public ROOT::Math::IBaseFunctionMultiDim
   {
    public:
      d3Xsec_dTldTkdCosThetal(const XSecAlgorithmI * m, const Interaction * i);
     ~d3Xsec_dTldTkdCosThetal();
      // ROOT::Math::IBaseFunctionMultiDim interface
      unsigned int                        NDim   (void)               const;
      double                              DoEval (const double * xin) const;
      ROOT::Math::IBaseFunctionMultiDim * Clone  (void)               const;
    private:
      const XSecAlgorithmI * fModel;
      const Interaction *    fInteraction;
   };
 
  } // gsl   namespace
 } // utils namespace
 
} // genie namespace
 
#endif  // _ALAM_SIMO_ATHAR_VACAS_SINGLE_KAON_XSEC_H_