LHAGlue.h

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// -*- C++ -*-
//
// This file is part of LHAPDF
// Copyright (C) 2012-2023 The LHAPDF collaboration (see AUTHORS for details)
//
#pragma once
#ifndef LHAPDF_LHAGlue_H
#define LHAPDF_LHAGlue_H
 
 
#include "LHAPDF/Version.h"
#if LHAPDF_LHA5CXX
 
std::string lhaglue_get_current_pdf(int nset=1);
 
// Compatibility preprocessor-based aliasing of deprecated "M" function names
#define initPDFSetM initPDFSet
#define initPDFSetByNameM initPDFSetByName
#define initPDFM initPDF
#define initPDFByNameM initPDFByName
#define getDescriptionM getDescription
#define xfxM xfx
#define xfxpM xfxp
#define xfxaM xfxa
#define xfxphotonM xfxphoton
#define numberPDFM numberPDF
#define alphasPDFM alphasPDF
#define getOrderPDFM getOrderPDF
#define getOrderAlphaSM getOrderAlphaS
#define getQMassM getQMass
#define getThresholdM getThreshold
#define getNfM getNf
#define getLam4M getLam4
#define getLam5M getLam5
#define getXminM getXmin
#define getXmaxM getXmax
#define getQ2minM getQ2min
#define getQ2maxM getQ2max
 
namespace LHAPDF {
 
 
  enum SetType {
    EVOLVE = 0, LHPDF = 0,
    INTERPOLATE = 1, LHGRID = 1
  };
 
  enum Verbosity { SILENT=0, LOWKEY=1, DEFAULT=2 };
 
  inline std::string getVersion() {
    return version();
  }
 
  inline int getMaxNumSets() { return 1000; }
 
  inline void initLHAPDF() {}
 
  // This form commented due to unused variable warnings, until this can actually have an effect
  // inline void extrapolate(bool extrapolate=true) {}
  inline void extrapolate(bool) {}
  inline void extrapolate() {}
 
  void setVerbosity(Verbosity noiselevel);
 
  inline void setParameter(const std::string&) {
    std::cerr << "LHAPDF::setParameter() has no effect in LHAPDF6: "
              << "please update your code to use the native C++ interface" << std::endl;
  }
 
  bool hasPhoton();
 
  void setPDFPath(const string& path);
  std::string pdfsetsPath();
 
 
  void initPDFSetByName(const std::string& filename);
  void initPDFSetByName(const std::string& filename, SetType type);
 
  void initPDFSetByName(int nset, const std::string& filename);
  void initPDFSetByName(int nset, const std::string& filename, SetType type);
 
 
  int numberPDF();
 
  int numberPDF(int nset);
 
  void initPDF(int memset);
 
  void initPDF(int nset, int memset);
 
 
  double xfx(double x, double Q, int fl);
 
  double xfx(int nset, double x, double Q, int fl);
 
  void xfx(double x, double Q, double* results);
 
  void xfx(int nset, double x, double Q, double* results);
 
  std::vector<double> xfx(double x, double Q);
 
  std::vector<double> xfx(int nset, double x, double Q);
 
 
  std::vector<double> xfxphoton(double x, double Q);
 
  std::vector<double> xfxphoton(int nset, double x, double Q);
 
  void xfxphoton(double x, double Q, double* results);
 
  void xfxphoton(int nset, double x, double Q, double* results);
 
  double xfxphoton(double x, double Q, int fl);
 
  double xfxphoton(int nset, double x, double Q, int fl);
 
 
  void getDescription();
 
  void getDescription(int nset);
 
 
  int getOrderAlphaS();
 
  int getOrderAlphaS(int nset);
 
 
  int getOrderPDF();
 
  int getOrderPDF(int nset);
 
 
  int getNf(int nset);
 
  int getNf();
 
 
  double getLam4(int nset);
 
  double getLam4(int nset, int nmem);
 
 
  double getLam5(int nset);
 
  double getLam5(int nset, int nmem);
 
 
  double getXmin(int nmem);
 
  double getXmin(int nset, int nmem);
 
  double getXmax(int nset, int nmem);
 
  double getXmax(int nmem);
 
 
  double getQ2min(int nset, int nmem);
 
  double getQ2min(int nmem);
 
  double getQ2max(int nset, int nmem);
 
  double getQ2max(int nmem);
 
 
  double getQMass(int nset, int nf);
 
  double getQMass(int nf);
 
 
  double getThreshold(int nset, int nf);
 
  double getThreshold(int nf);
 
 
  double alphasPDF(double Q);
 
  double alphasPDF(int nset, double Q);
 
  void usePDFMember(int member);
 
  void usePDFMember(int nset, int member);
 
  void initPDFSet(const std::string& name, int member=0);
  void initPDFSet(int nset ,const std::string& name, int nmem=0);
  void initPDFSet(int setid, int member=0);
  void initPDFSet(int nset , int setid, int nmem=0);
  void initPDFSet(const std::string& name, SetType type, int member=0);
  void initPDFSet(int nset, const std::string& name, SetType type, int member=0);
 
}
 
#endif
#endif