tools.h

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//
// APFEL++ 2017
//
// Author: Valerio Bertone: valerio.bertone@cern.ch
//
 
#pragma once
 
#include <vector>
#include <string>
 
namespace apfel
{
  enum QuarkFlavour: int {TOTAL, DOWN, UP, STRANGE, CHARM, BOTTOM, TOP};
 
  int NF(double const& Q, std::vector<double> const& Thresholds);
 
  double DeltaFun(double const& a, double const& b, double const& c);
 
  std::vector<double> ElectroWeakCharges(double const& Q, bool const& virt, int const& Comp = TOTAL);
 
  std::vector<double> ParityViolatingElectroWeakCharges(double const& Q, bool const& virt, int const& Comp = TOTAL);
 
  std::vector<double> ElectroWeakChargesNWA();
 
  std::vector<double> ConcatenateAndSortVectors(std::vector<double> const& v1, std::vector<double> const& v2);
 
  template<typename T>
  double dabs(T const& d);
 
  std::vector<double> ProductExpansion(std::vector<double> const& r);
 
  int factorial(int const& n);
 
  double GetSIATotalCrossSection(int                 const& PerturbativeOrder,
                                 double              const& Q,
                                 double              const& AlphaQCD,
                                 double              const& AlphaQED,
                                 std::vector<double> const& Thresholds,
                                 QuarkFlavour        const& Comp = TOTAL,
                                 bool                const& NoCharges = false);
}