AnalyticQCDCoupling.h

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// taken from lhapdf
#pragma once
#include "PDFxTMDLib/Common/YamlMetaInfo/YamlCouplingInfo.h"
#include <map>
 
namespace PDFxTMD
{
class AnalyticQCDCoupling
{
  public:
    double AlphaQCDMu2(double mu2);
    void initialize(const YamlCouplingInfo &couplingInfo);
 
  private:
    double lambdaQCD(int nf) const;
    void setLambda(unsigned int i, double lambda);
    void setFlavors();
 
  private:
    std::map<int, double> m_lambdas;
    YamlCouplingInfo m_couplingInfo;
    int m_nfmin;
    int m_nfmax;
};
} // namespace PDFxTMD