MelaPConstant.h

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#ifndef MELAPCONSTANT_H
#define MELAPCONSTANT_H
 
#include "TUtil.hh"
#include "TF1.h"
#include "TSpline.h"
 
 
class MelaPConstant{
protected:
 
  TVar::MatrixElement processME;
  TVar::Production processProd;
  TVar::Process processProc;
 
  TF1* fcnLow;
  TF1* fcnHigh;
  TSpline3* fcnMid;
  TString fname;
 
  void GetFcnFromFile(const char* path, const char* spname);
 
  double GetHPropagator(const MelaIO* RcdME, const TVar::VerbosityLevel& verbosity)const;
  double GetZPropagator(const MelaIO* RcdME, const int& sigmaZ4lprop, const TVar::VerbosityLevel& verbosity)const;
  double GetAssociatedVjjPropagator(const MelaIO* RcdME, const TVar::VerbosityLevel& verbosity)const;
  double GetVDaughterCouplings(const MelaIO* RcdME, const TVar::VerbosityLevel& verbosity)const;
  double GetAlphaSatMZ(const MelaIO* RcdME, const unsigned int& powAlphaSatMZ, const TVar::VerbosityLevel& verbosity)const;
 
public:
 
  MelaPConstant(
    TVar::MatrixElement me_,
    TVar::Production prod_,
    TVar::Process proc_,
    const char* path,
    const char* spname
    );
 
  virtual ~MelaPConstant();
 
  double Eval(const MelaIO* RcdME, TVar::VerbosityLevel verbosity)const;
 
  bool IsValid(){ return bool(fcnMid!=0); }
 
  TString GetFileName(){ return fname; }
  TString GetSplineName(){ TString sname=""; if (IsValid()) sname=fcnMid->GetName(); return sname; }
 
};
 
 
#endif