IExtrapolator.h

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#pragma once
#include "PDFxTMDLib/Interface/IInterpolator.h"
#include "PDFxTMDLib/Interface/IReader.h"
#include <array>
 
namespace PDFxTMD
{
template <typename Derived, typename... ExtrapolateArgs>
class IExtrapolator : public CRTPBase<Derived>
{
  public:
    double extrapolate(PartonFlavor parton, ExtrapolateArgs... args) const
    {
        return this->derived().extrapolate(parton, args...);
    }
    double extrapolate(ExtrapolateArgs... args,
                       std::array<double, DEFAULT_TOTAL_PDFS> &output) const
    {
        return this->derived().extrapolate(args..., output);
    }
};
 
template <typename Derived, typename... ExtrapolateArgs>
class IAdvancedExtrapolator : public IExtrapolator<Derived, ExtrapolateArgs...>
{
  protected:
    template <typename InterpolatorType> void setInterpolator(const InterpolatorType *interpolator)
    {
        this->derived().setInterpolator(interpolator);
    }
};
 
template <typename Derived> class IcPDFExtrapolator : public IExtrapolator<Derived, X_T, MU_T>
{
};
 
template <typename Derived>
class IcAdvancedPDFExtrapolator : public IAdvancedExtrapolator<Derived, X_T, MU_T>
{
};
 
template <typename Derived> class ITMDExtrapolator : public IExtrapolator<Derived, X_T, KT_T, MU_T>
{
};
 
template <typename Derived>
class ITMDAdvancedTMDExtrapolator : public IAdvancedExtrapolator<Derived, X_T, KT_T, MU_T>
{
};
 
} // namespace PDFxTMD