#include <GRV98LO.h>

Inheritance diagram for genie::GRV98LO:

Collaboration diagram for genie::GRV98LO:

Public Member Functions
	GRV98LO ()
	GRV98LO (string config)
	~GRV98LO ()
double	UpValence (double x, double Q2) const
double	DownValence (double x, double Q2) const
double	UpSea (double x, double Q2) const
double	DownSea (double x, double Q2) const
double	Strange (double x, double Q2) const
double	Charm (double x, double Q2) const
double	Bottom (double x, double Q2) const
double	Top (double x, double Q2) const
double	Gluon (double x, double Q2) const
PDF_t	AllPDFs (double x, double Q2) const
void	Configure (const Registry &config)
void	Configure (string config)
Public Member Functions inherited from genie::PDFModelI
virtual	~PDFModelI ()
Public Member Functions inherited from genie::Algorithm
virtual	~Algorithm ()
virtual void	FindConfig (void)
virtual const Registry &	GetConfig (void) const
Registry *	GetOwnedConfig (void)
virtual const AlgId &	Id (void) const
	Get algorithm ID.
virtual AlgStatus_t	GetStatus (void) const
	Get algorithm status.
virtual bool	AllowReconfig (void) const
virtual AlgCmp_t	Compare (const Algorithm *alg) const
	Compare with input algorithm.
virtual void	SetId (const AlgId &id)
	Set algorithm ID.
virtual void	SetId (string name, string config)
const Algorithm *	SubAlg (const RgKey &registry_key) const
void	AdoptConfig (void)
void	AdoptSubstructure (void)
virtual void	Print (ostream &stream) const
	Print algorithm info.

Private Member Functions
void	Initialize (void)

Private Attributes
bool	fInitialized
double	fGridQ2 [kNQ2]
double	fGridLogQ2 [kNQ2]
double	fGridXbj [kNXbj]
double	fGridLogXbj [kNXbj]
double	fParton [kNParton][kNQ2][kNXbj-1]
std::unique_ptr< Interpolator2D >	fXUVF
std::unique_ptr< Interpolator2D >	fXDVF
std::unique_ptr< Interpolator2D >	fXDEF
std::unique_ptr< Interpolator2D >	fXUDF
std::unique_ptr< Interpolator2D >	fXSF
std::unique_ptr< Interpolator2D >	fXGF

Static Private Attributes
static const int	kNQ2 = 27
static const int	kNXbj = 68
static const int	kNParton = 6

Additional Inherited Members
Static Public Member Functions inherited from genie::Algorithm
static string	BuildParamVectKey (const std::string &comm_name, unsigned int i)
static string	BuildParamVectSizeKey (const std::string &comm_name)
static string	BuildParamMatKey (const std::string &comm_name, unsigned int i, unsigned int j)
static string	BuildParamMatRowSizeKey (const std::string &comm_name)
static string	BuildParamMatColSizeKey (const std::string &comm_name)
Protected Member Functions inherited from genie::PDFModelI
	PDFModelI ()
	PDFModelI (string name)
	PDFModelI (string name, string config)
Protected Member Functions inherited from genie::Algorithm
	Algorithm ()
	Algorithm (string name)
	Algorithm (string name, string config)
void	Initialize (void)
void	DeleteConfig (void)
void	DeleteSubstructure (void)
Registry *	ExtractLocalConfig (const Registry &in) const
Registry *	ExtractLowerConfig (const Registry &in, const string &alg_key) const
	Split an incoming configuration Registry into a block valid for the sub-algo identified by alg_key.
template<class T>
bool	GetParam (const RgKey &name, T &p, bool is_top_call=true) const
template<class T>
bool	GetParamDef (const RgKey &name, T &p, const T &def) const
template<class T>
int	GetParamVect (const std::string &comm_name, std::vector< T > &v, bool is_top_call=true) const
	Handle to load vectors of parameters.
int	GetParamVectKeys (const std::string &comm_name, std::vector< RgKey > &k, bool is_top_call=true) const
template<class T>
int	GetParamMat (const std::string &comm_name, TMatrixT< T > &mat, bool is_top_call=true) const
	Handle to load matrix of parameters.
template<class T>
int	GetParamMatSym (const std::string &comm_name, TMatrixTSym< T > &mat, bool is_top_call=true) const
int	GetParamMatKeys (const std::string &comm_name, std::vector< RgKey > &k, bool is_top_call=true) const
int	AddTopRegistry (Registry *rp, bool owns=true)
	add registry with top priority, also update ownership
int	AddLowRegistry (Registry *rp, bool owns=true)
	add registry with lowest priority, also update ownership
int	MergeTopRegistry (const Registry &r)
int	AddTopRegisties (const vector< Registry * > &rs, bool owns=false)
	Add registries with top priority, also udated Ownerships.
Protected Attributes inherited from genie::Algorithm
bool	fAllowReconfig
bool	fOwnsSubstruc
	true if it owns its substructure (sub-algs,...)
AlgId	fID
	algorithm name and configuration set
vector< Registry * >	fConfVect
vector< bool >	fOwnerships
	ownership for every registry in fConfVect
AlgStatus_t	fStatus
	algorithm execution status
AlgMap *	fOwnedSubAlgMp
	local pool for owned sub-algs (taken out of the factory pool)

Detailed Description

Definition at line 39 of file GRV98LO.h.

Constructor & Destructor Documentation

◆ GRV98LO() [1/2]

GRV98LO::GRV98LO ( )

Definition at line 25 of file GRV98LO.cxx.

                 :
PDFModelI("genie::GRV98LO")
{
  this->Initialize();
}

References Initialize(), and genie::PDFModelI::PDFModelI().

◆ GRV98LO() [2/2]

GRV98LO::GRV98LO ( string config )

Definition at line 31 of file GRV98LO.cxx.

                              :
PDFModelI("genie::GRV98LO", config)
{
  LOG("GRV98LO", pDEBUG) << "GRV98LO configuration:\n " << GetConfig() ;
 
  this->Initialize();
}

References genie::Algorithm::GetConfig(), Initialize(), LOG, pDEBUG, and genie::PDFModelI::PDFModelI().

◆ ~GRV98LO()

GRV98LO::~GRV98LO ( )

Definition at line 39 of file GRV98LO.cxx.

40{}

Member Function Documentation

◆ AllPDFs()

PDF_t GRV98LO::AllPDFs	(	double	x,
		double	Q2 ) const

virtual

Implements genie::PDFModelI.

Definition at line 87 of file GRV98LO.cxx.

{
  PDF_t pdf;
 
  if(!fInitialized) {
    LOG("GRV98LO", pWARN)
      << "GRV98LO algorithm was not initialized succesfully";
    pdf.uval = 0.;
    pdf.dval = 0.;
    pdf.usea = 0.;
    pdf.dsea = 0.;
    pdf.str  = 0.;
    pdf.chm  = 0.;
    pdf.bot  = 0.;
    pdf.top  = 0.;
    pdf.gl   = 0.;
    return pdf;
  }
 
  LOG("GRV98LO", pDEBUG)
    << "Inputs x = " << x << ", Q2 = " << Q2;
 
  // apply kinematical limits
//Q2 = TMath::Max(Q2, fGridQ2[0]);
  if(Q2 <= 0.8) Q2 = 0.80001;
  Q2 = std::min(Q2, fGridQ2[kNQ2-1]);
  x  = std::max(x,  fGridXbj[0]);
  x  = std::min(x,  fGridXbj[kNXbj-1]);
 
  double logx  = std::log(x);
  double logQ2 = std::log(Q2);
  double x1    = 1-x;
  double xv    = std::sqrt(x);
  double xs    = std::pow(x, -0.2);
  double x1p3  = x1*x1*x1;
  double x1p4  = x1*x1p3;
  double x1p5  = x1*x1p4;
  double x1p7  = x1p3*x1p4;
 
  double uv = fXUVF->Eval(logx,logQ2) * x1p3 * xv;
  double dv = fXDVF->Eval(logx,logQ2) * x1p4 * xv;
  double de = fXDEF->Eval(logx,logQ2) * x1p7 * xv;
  double ud = fXUDF->Eval(logx,logQ2) * x1p7 * xs;
  double us = 0.5 * (ud - de);
  double ds = 0.5 * (ud + de);
  double ss = fXSF->Eval(logx,logQ2)  * x1p7 * xs;
  double gl = fXGF->Eval(logx,logQ2)  * x1p5 * xs;
 
  pdf.uval = uv;
  pdf.dval = dv;
  pdf.usea = us;
  pdf.dsea = ds;
  pdf.str  = ss;
  pdf.chm  = 0.;
  pdf.bot  = 0.;
  pdf.top  = 0.;
  pdf.gl   = gl;
 
  return pdf;
}

References genie::EPDF::bot, genie::EPDF::chm, genie::EPDF::dsea, genie::EPDF::dval, fGridQ2, fGridXbj, fInitialized, fXDEF, fXDVF, fXGF, fXSF, fXUDF, fXUVF, genie::EPDF::gl, kNQ2, kNXbj, LOG, pDEBUG, pWARN, genie::EPDF::str, genie::EPDF::top, genie::EPDF::usea, and genie::EPDF::uval.

Referenced by Bottom(), Charm(), DownSea(), DownValence(), Gluon(), Strange(), Top(), UpSea(), and UpValence().

◆ Bottom()

double GRV98LO::Bottom	(	double	x,
		double	Q2 ) const

virtual

Implements genie::PDFModelI.

Definition at line 72 of file GRV98LO.cxx.

{
  return AllPDFs(x,Q2).bot;
}

References AllPDFs(), and genie::EPDF::bot.

◆ Charm()

double GRV98LO::Charm	(	double	x,
		double	Q2 ) const

virtual

Implements genie::PDFModelI.

Definition at line 67 of file GRV98LO.cxx.

{
  return AllPDFs(x,Q2).chm;
}

References AllPDFs(), and genie::EPDF::chm.

◆ Configure() [1/2]

void GRV98LO::Configure ( const Registry & config )

virtual

Configure the algorithm with an external registry The registry is merged with the top level registry if it is owned, Otherwise a copy of it is added with the highest priority

Reimplemented from genie::Algorithm.

Definition at line 148 of file GRV98LO.cxx.

{
  Algorithm::Configure(config);
  this->Initialize();
}

References genie::Algorithm::Configure(), and Initialize().

◆ Configure() [2/2]

void GRV98LO::Configure ( string config )

virtual

Configure the algorithm from the AlgoConfigPool based on param_set string given in input An algorithm contains a vector of registries coming from different xml configuration files, which are loaded according a very precise prioriy This methods will load a number registries in order of priority: 1) "Tunable" parameter set from CommonParametes. This is loaded with the highest prioriry and it is designed to be used for tuning procedure Usage not expected from the user. 2) For every string defined in "CommonParame" the corresponding parameter set will be loaded from CommonParameter.xml 3) parameter set specified by the config string and defined in the xml file of the algorithm 4) if config is not "Default" also the Default parameter set from the same xml file will be loaded Effectively this avoids the repetion of a parameter when it is not changed in the requested configuration

Reimplemented from genie::Algorithm.

Definition at line 154 of file GRV98LO.cxx.

{
  Algorithm::Configure(config);
  this->Initialize();
}

References genie::Algorithm::Configure(), and Initialize().

◆ DownSea()

double GRV98LO::DownSea	(	double	x,
		double	Q2 ) const

virtual

Implements genie::PDFModelI.

Definition at line 57 of file GRV98LO.cxx.

{
  return AllPDFs(x,Q2).dsea;
}

References AllPDFs(), and genie::EPDF::dsea.

◆ DownValence()

double GRV98LO::DownValence	(	double	x,
		double	Q2 ) const

virtual

Implements genie::PDFModelI.

Definition at line 47 of file GRV98LO.cxx.

{
  return AllPDFs(x,Q2).dval;
}

References AllPDFs(), and genie::EPDF::dval.

◆ Gluon()

double GRV98LO::Gluon	(	double	x,
		double	Q2 ) const

virtual

Implements genie::PDFModelI.

Definition at line 82 of file GRV98LO.cxx.

{
  return AllPDFs(x,Q2).gl;
}

References AllPDFs(), and genie::EPDF::gl.

◆ Initialize()

void GRV98LO::Initialize ( void )

private

Definition at line 160 of file GRV98LO.cxx.

{
  fInitialized = false;
 
  const char * genie_dir = gSystem->Getenv("GENIE");
  if(!genie_dir) return;
 
  string grid_file_name =
     string(gSystem->Getenv("GENIE")) + string("/data/evgen/pdfs/GRV98lo_patched.LHgrid");
 
  LOG("GRV98LO", pNOTICE)
    << "Reading grid file from:\n " << grid_file_name;
 
  ifstream grid_file;
  grid_file.open (grid_file_name.c_str());
 
  char rubbish[1000];
 
  const int nskip = 21;
  for(int i=0; i<nskip; i++) {
   grid_file.getline(rubbish,1000);
   LOG("GRV98LO", pDEBUG) << "Skipping: " << rubbish;
  }
 
  // x's
  //
 
  LOG("GRV98LO", pDEBUG) << "Reading x_bj grid values";
  for(int j=0; j < kNXbj; j++) {
    double xbj = -1;
    grid_file >> xbj;
    // check against known limits
    // ...
    fGridXbj[j] = xbj;
    fGridLogXbj[j] = TMath::Log(xbj);
  }
  ostringstream grid_values;
  grid_values << "(";
  for(int j=0; j < kNXbj; j++) {
    grid_values << fGridXbj[j];
    if(j == kNXbj - 1) { grid_values << ")";  }
    else               { grid_values << ", "; }
  }
  LOG("GRV98LO", pDEBUG)
    << "x_bj grid values: " << grid_values.str();
 
  // Q^2s
  //
 
  LOG("GRV98LO", pDEBUG) << "Reading Q^2 grid values.";
  for(int i=0; i < kNQ2; i++) {
    double Q2 = -1;
    grid_file >> Q2;
    // check against known limits
    // ...
    fGridQ2[i] = Q2;
    fGridLogQ2[i] = TMath::Log(Q2);
  }
  grid_values.str("");
  grid_values << "(";
  for(int i=0; i < kNQ2; i++) {
    grid_values << fGridQ2[i];
    if(i == kNQ2 - 1) { grid_values << ")";  }
    else              { grid_values << ", "; }
  }
  LOG("GRV98LO", pDEBUG)
    << "Q^2 grid values: " << grid_values.str() << "GeV^2";
 
  // skip again
  grid_file.getline(rubbish,1000);
  LOG("GRV98LO", pDEBUG) << "Skipping: " << rubbish;
  grid_file.getline(rubbish,1000);
  LOG("GRV98LO", pDEBUG) << "Skipping: " << rubbish;
 
  // pdf values on grid points
  //
 
  LOG("GRV98LO", pDEBUG) << "Reading PDF values on grid points";
 
  int k=0;
  for(int j=0; j < kNXbj-1; j++) {
    for(int i=0; i < kNQ2; i++) {
      double p0 = 0;
      double p1 = 0;
      double p2 = 0;
      double p3 = 0;
      double p4 = 0;
      double p5 = 0;
      grid_file >> p0 >> p1 >> p2 >> p3 >> p4 >> p5;
      LOG("GRV98LO", pDEBUG)
         << "Row: " << k << ", grid point: (" << i << ", " << j << ") ->"
         << "  p0 = " << p0
         << ", p1 = " << p1
         << ", p2 = " << p2
         << ", p3 = " << p3
         << ", p4 = " << p4
         << ", p5 = " << p5;
      fParton [0][i][j]  = p0;
      fParton [1][i][j]  = p1;
      fParton [2][i][j]  = p2;
      fParton [3][i][j]  = p3;
      fParton [4][i][j]  = p4;
      fParton [5][i][j]  = p5;
      k++;
    }
  }
 
  grid_file.close();
 
  // arrays for interpolation routines
  //
 
  vector<double> gridLogQ2 (kNQ2);
  vector<double> gridLogXbj(kNXbj);
  vector<double> knotsXUVF(kNQ2*kNXbj);
  vector<double> knotsXDVF(kNQ2*kNXbj);
  vector<double> knotsXDEF(kNQ2*kNXbj);
  vector<double> knotsXUDF(kNQ2*kNXbj);
  vector<double> knotsXSF (kNQ2*kNXbj);
  vector<double> knotsXGF (kNQ2*kNXbj);
 
  k=0;
  for(int i=0; i < kNQ2; i++) {
    double logQ2 = std::log(fGridQ2[i]);
    gridLogQ2[i] = logQ2;
    for(int j=0; j < kNXbj - 1; j++) {
       double logx  = std::log(fGridXbj[j]);
       gridLogXbj[j] = logx;
       double xb0v  = std::sqrt(fGridXbj[j]);
       double xb0s  = std::pow(fGridXbj[j], -0.2);
       double xb1   = 1 - fGridXbj[j];
       double xb1p3 = std::pow(xb1, 3.);
       double xb1p4 = std::pow(xb1, 4.);
       double xb1p5 = std::pow(xb1, 5.);
       double xb1p7 = std::pow(xb1, 7.);
       knotsXUVF[k] = fParton[0][i][j] / (xb1p3 * xb0v);
       knotsXDVF[k] = fParton[1][i][j] / (xb1p4 * xb0v);
       knotsXDEF[k] = fParton[2][i][j] / (xb1p7 * xb0v);
       knotsXUDF[k] = fParton[3][i][j] / (xb1p7 * xb0s);
       knotsXSF [k] = fParton[4][i][j] / (xb1p7 * xb0s);
       knotsXGF [k] = fParton[5][i][j] / (xb1p5 * xb0s);
       k++;
    }
    double logxmax = TMath::Log(fGridXbj[kNXbj-1]);
    gridLogXbj[kNXbj-1] = logxmax;
    knotsXUVF[k] = 0;
    knotsXDVF[k] = 0;
    knotsXDEF[k] = 0;
    knotsXUDF[k] = 0;
    knotsXSF [k] = 0;
    knotsXGF [k] = 0;
    k++;
  }
 
  fXUVF = std::make_unique<Interpolator2D>(gridLogXbj.size(),&gridLogXbj[0],gridLogQ2.size(),&gridLogQ2[0],&knotsXUVF[0]);
  fXDVF = std::make_unique<Interpolator2D>(gridLogXbj.size(),&gridLogXbj[0],gridLogQ2.size(),&gridLogQ2[0],&knotsXDVF[0]);
  fXDEF = std::make_unique<Interpolator2D>(gridLogXbj.size(),&gridLogXbj[0],gridLogQ2.size(),&gridLogQ2[0],&knotsXDEF[0]);
  fXUDF = std::make_unique<Interpolator2D>(gridLogXbj.size(),&gridLogXbj[0],gridLogQ2.size(),&gridLogQ2[0],&knotsXUDF[0]);
  fXSF  = std::make_unique<Interpolator2D>(gridLogXbj.size(),&gridLogXbj[0],gridLogQ2.size(),&gridLogQ2[0],&knotsXSF [0]);
  fXGF  = std::make_unique<Interpolator2D>(gridLogXbj.size(),&gridLogXbj[0],gridLogQ2.size(),&gridLogQ2[0],&knotsXGF [0]);
 
  fInitialized = true;
}

References fGridLogQ2, fGridLogXbj, fGridQ2, fGridXbj, fInitialized, fParton, fXDEF, fXDVF, fXGF, fXSF, fXUDF, fXUVF, genie_dir(), kNQ2, kNXbj, LOG, pDEBUG, and pNOTICE.

Referenced by Configure(), Configure(), GRV98LO(), and GRV98LO().

◆ Strange()

double GRV98LO::Strange	(	double	x,
		double	Q2 ) const

virtual

Implements genie::PDFModelI.

Definition at line 62 of file GRV98LO.cxx.

{
  return AllPDFs(x,Q2).str;
}

References AllPDFs(), and genie::EPDF::str.

◆ Top()

double GRV98LO::Top	(	double	x,
		double	Q2 ) const

virtual

Implements genie::PDFModelI.

Definition at line 77 of file GRV98LO.cxx.

{
  return AllPDFs(x,Q2).top;
}

References AllPDFs(), and genie::EPDF::top.

◆ UpSea()

double GRV98LO::UpSea	(	double	x,
		double	Q2 ) const

virtual

Implements genie::PDFModelI.

Definition at line 52 of file GRV98LO.cxx.

{
  return AllPDFs(x,Q2).usea;
}

References AllPDFs(), and genie::EPDF::usea.

◆ UpValence()

double GRV98LO::UpValence	(	double	x,
		double	Q2 ) const

virtual

Implements genie::PDFModelI.

Definition at line 42 of file GRV98LO.cxx.

{
  return AllPDFs(x,Q2).uval;
}

References AllPDFs(), and genie::EPDF::uval.

Member Data Documentation

◆ fGridLogQ2

double genie::GRV98LO::fGridLogQ2[kNQ2]

private

Definition at line 82 of file GRV98LO.h.

Referenced by Initialize().

◆ fGridLogXbj

double genie::GRV98LO::fGridLogXbj[kNXbj]

private

Definition at line 84 of file GRV98LO.h.

Referenced by Initialize().

◆ fGridQ2

double genie::GRV98LO::fGridQ2[kNQ2]

private

Definition at line 81 of file GRV98LO.h.

Referenced by AllPDFs(), and Initialize().

◆ fGridXbj

double genie::GRV98LO::fGridXbj[kNXbj]

private

Definition at line 83 of file GRV98LO.h.

Referenced by AllPDFs(), and Initialize().

◆ fInitialized

bool genie::GRV98LO::fInitialized

private

Definition at line 69 of file GRV98LO.h.

Referenced by AllPDFs(), and Initialize().

◆ fParton

double genie::GRV98LO::fParton[kNParton][kNQ2][kNXbj-1]

private

Definition at line 85 of file GRV98LO.h.

Referenced by Initialize().

◆ fXDEF

std::unique_ptr<Interpolator2D> genie::GRV98LO::fXDEF

private

Definition at line 91 of file GRV98LO.h.

Referenced by AllPDFs(), and Initialize().

◆ fXDVF

std::unique_ptr<Interpolator2D> genie::GRV98LO::fXDVF

private

Definition at line 90 of file GRV98LO.h.

Referenced by AllPDFs(), and Initialize().

◆ fXGF

std::unique_ptr<Interpolator2D> genie::GRV98LO::fXGF

private

Definition at line 94 of file GRV98LO.h.

Referenced by AllPDFs(), and Initialize().

◆ fXSF

std::unique_ptr<Interpolator2D> genie::GRV98LO::fXSF

private

Definition at line 93 of file GRV98LO.h.

Referenced by AllPDFs(), and Initialize().

◆ fXUDF

std::unique_ptr<Interpolator2D> genie::GRV98LO::fXUDF

private

Definition at line 92 of file GRV98LO.h.

Referenced by AllPDFs(), and Initialize().

◆ fXUVF

std::unique_ptr<Interpolator2D> genie::GRV98LO::fXUVF

private

Definition at line 89 of file GRV98LO.h.

Referenced by AllPDFs(), and Initialize().

◆ kNParton

const int genie::GRV98LO::kNParton = 6

staticprivate

Definition at line 75 of file GRV98LO.h.

◆ kNQ2

const int genie::GRV98LO::kNQ2 = 27

staticprivate

Definition at line 73 of file GRV98LO.h.

Referenced by AllPDFs(), and Initialize().

◆ kNXbj

const int genie::GRV98LO::kNXbj = 68

staticprivate

Definition at line 74 of file GRV98LO.h.

Referenced by AllPDFs(), and Initialize().

The documentation for this class was generated from the following files:

Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ GRV98LO() [1/2]

◆ GRV98LO() [2/2]

◆ ~GRV98LO()

Member Function Documentation

◆ AllPDFs()

◆ Bottom()

◆ Charm()

◆ Configure() [1/2]

◆ Configure() [2/2]

◆ DownSea()

◆ DownValence()

◆ Gluon()

◆ Initialize()

◆ Strange()

◆ Top()

◆ UpSea()

◆ UpValence()

Member Data Documentation

◆ fGridLogQ2

◆ fGridLogXbj

◆ fGridQ2

◆ fGridXbj

◆ fInitialized

◆ fParton

◆ fXDEF

◆ fXDVF

◆ fXGF

◆ fXSF

◆ fXUDF

◆ fXUVF

◆ kNParton

◆ kNQ2

◆ kNXbj