genie::PDF Class Reference

A class to store PDFs. More...

#include <PDF.h>

Public Member Functions
	PDF ()
	PDF (const PDF &pdf_set)
virtual	~PDF ()
void	SetModel (const PDFModelI *model)
void	Calculate (double x, double q2)
double	UpValence (void) const
double	DownValence (void) const
double	UpSea (void) const
double	DownSea (void) const
double	Strange (void) const
double	Charm (void) const
double	Bottom (void) const
double	Top (void) const
double	Gluon (void) const
void	ScaleValence (double kscale)
void	ScaleSea (double kscale)
void	ScaleUpValence (double kscale)
void	ScaleDownValence (double kscale)
void	ScaleUpSea (double kscale)
void	ScaleDownSea (double kscale)
void	ScaleStrange (double kscale)
void	ScaleCharm (double kscale)
void	Reset (void)
void	Copy (const PDF &pdf_set)
void	Print (ostream &stream) const

Protected Member Functions
void	Init (void)

Protected Attributes
double	fUpValence
double	fDownValence
double	fUpSea
double	fDownSea
double	fStrange
double	fCharm
double	fBottom
double	fTop
double	fGluon
const PDFModelI *	fModel

Friends
ostream &	operator<< (ostream &stream, const PDF &pdf_set)

Detailed Description

A class to store PDFs.

This class is using the Strategy Pattern.
It can accept requests to calculate itself, for a given (x,q^2) pair, that it then delegates to the algorithmic object, implementing the PDFModelI interface, that it finds attached to itself.

Author

Costas Andreopoulos <constantinos.andreopoulos cern.ch> University of Liverpool & STFC Rutherford Appleton Laboratory

May 04, 2004

Copyright (c) 2003-2020, The GENIE Collaboration For the full text of the license visit http://copyright.genie-mc.org

Definition at line 37 of file PDF.h.

Constructor & Destructor Documentation

PDF::PDF

(

)

Definition at line 27 of file PDF.cxx.

{
  this->Init();
}

PDF::PDF

(

const PDF &

pdf_set

)

Definition at line 32 of file PDF.cxx.

{
  this->Copy(pdf_set);
}

PDF::~PDF ( )

virtual

Definition at line 37 of file PDF.cxx.

{

}

Member Function Documentation

double genie::PDF::Bottom ( void  ) const

inline

Definition at line 56 of file PDF.h.

{ return fBottom;      }

void PDF::Calculate	(	double	x,
		double	q2
	)

Definition at line 49 of file PDF.cxx.

{
  PDF_t pdfs = fModel->AllPDFs(x, q2);

  fUpValence   = pdfs.uval;
  fDownValence = pdfs.dval;
  fUpSea       = pdfs.usea;
  fDownSea     = pdfs.dsea;
  fStrange     = pdfs.str;
  fCharm       = pdfs.chm;
  fBottom      = pdfs.bot;
  fTop         = pdfs.top;
  fGluon       = pdfs.gl;
}

double genie::PDF::Charm ( void  ) const

inline

Definition at line 55 of file PDF.h.

{ return fCharm;       }

void PDF::Copy

(

const PDF &

pdf_set

)

Definition at line 124 of file PDF.cxx.

{
  fModel       = pdf_set.fModel;

  fUpValence   = pdf_set.fUpValence;
  fDownValence = pdf_set.fDownValence;
  fUpSea       = pdf_set.fUpSea;
  fDownSea     = pdf_set.fDownSea;
  fStrange     = pdf_set.fStrange;
  fCharm       = pdf_set.fCharm;
  fBottom      = pdf_set.fBottom;
  fTop         = pdf_set.fTop;
  fGluon       = pdf_set.fGluon;
}

double genie::PDF::DownSea ( void  ) const

inline

Definition at line 53 of file PDF.h.

{ return fDownSea;     }

double genie::PDF::DownValence ( void  ) const

inline

Definition at line 51 of file PDF.h.

{ return fDownValence; }

double genie::PDF::Gluon ( void  ) const

inline

Definition at line 58 of file PDF.h.

{ return fGluon;       }

void PDF::Init ( void  )

protected

Definition at line 139 of file PDF.cxx.

{
  fModel = 0;

  fUpValence   = 0.0;
  fDownValence = 0.0;
  fUpSea       = 0.0;
  fDownSea     = 0.0;
  fStrange     = 0.0;
  fCharm       = 0.0;
  fBottom      = 0.0;
  fTop         = 0.0;
  fGluon       = 0.0;
}

void PDF::Print

(

ostream &

stream

)

const

Definition at line 154 of file PDF.cxx.

{
  stream << endl;
  stream << "UP-VAL....... " << fUpValence   << endl;
  stream << "DOWN-VAL..... " << fDownValence << endl;
  stream << "UP-SEA....... " << fUpSea       << endl;
  stream << "DOWN-SEA..... " << fDownSea     << endl;
  stream << "STRANGE...... " << fStrange     << endl;
  stream << "CHARM........ " << fCharm       << endl;
  stream << "BOTTOM....... " << fBottom      << endl;
  stream << "TOP.......... " << fTop         << endl;
  stream << "GLUON........ " << fGluon       << endl;
}

void PDF::Reset

(

void

)

Definition at line 111 of file PDF.cxx.

{
  fUpValence   = 0.0;
  fDownValence = 0.0;
  fUpSea       = 0.0;
  fDownSea     = 0.0;
  fStrange     = 0.0;
  fCharm       = 0.0;
  fBottom      = 0.0;
  fTop         = 0.0;
  fGluon       = 0.0;
}

void PDF::ScaleCharm

(

double

kscale

)

Definition at line 106 of file PDF.cxx.

{
  fCharm *= kscale;
}

void PDF::ScaleDownSea

(

double

kscale

)

Definition at line 96 of file PDF.cxx.

{
  fDownSea *= kscale;
}

void PDF::ScaleDownValence

(

double

kscale

)

Definition at line 86 of file PDF.cxx.

{
  fDownValence *= kscale;
}

void PDF::ScaleSea

(

double

kscale

)

Definition at line 70 of file PDF.cxx.

{
  fUpSea       *= kscale;
  fDownSea     *= kscale;
  fStrange     *= kscale;
  fCharm       *= kscale;
  fBottom      *= kscale;
  fTop         *= kscale;
  fGluon       *= kscale;
}

void PDF::ScaleStrange

(

double

kscale

)

Definition at line 101 of file PDF.cxx.

{
  fStrange *= kscale;
}

void PDF::ScaleUpSea

(

double

kscale

)

Definition at line 91 of file PDF.cxx.

{
  fUpSea *= kscale;
}

void PDF::ScaleUpValence

(

double

kscale

)

Definition at line 81 of file PDF.cxx.

{
  fUpValence *= kscale;
}

void PDF::ScaleValence

(

double

kscale

)

Definition at line 64 of file PDF.cxx.

{
  fUpValence   *= kscale;
  fDownValence *= kscale;
}

void PDF::SetModel

(

const PDFModelI *

model

)

Definition at line 42 of file PDF.cxx.

{
  this->Init();

  fModel = model;
}

double genie::PDF::Strange ( void  ) const

inline

Definition at line 54 of file PDF.h.

{ return fStrange;     }

double genie::PDF::Top ( void  ) const

inline

Definition at line 57 of file PDF.h.

{ return fTop;         }

double genie::PDF::UpSea ( void  ) const

inline

Definition at line 52 of file PDF.h.

{ return fUpSea;       }

double genie::PDF::UpValence ( void  ) const

inline

Definition at line 50 of file PDF.h.

{ return fUpValence;   }

Friends And Related Function Documentation

ostream& operator<< ( ostream &  stream, const PDF &  pdf_set  )

friend

Definition at line 20 of file PDF.cxx.

  {
     pdf_set.Print(stream);
     return stream;
  }

Member Data Documentation

double genie::PDF::fBottom

protected

Definition at line 89 of file PDF.h.

double genie::PDF::fCharm

protected

Definition at line 88 of file PDF.h.

double genie::PDF::fDownSea

protected

Definition at line 86 of file PDF.h.

double genie::PDF::fDownValence

protected

Definition at line 84 of file PDF.h.

double genie::PDF::fGluon

protected

Definition at line 91 of file PDF.h.

const PDFModelI* genie::PDF::fModel

protected

Definition at line 93 of file PDF.h.

double genie::PDF::fStrange

protected

Definition at line 87 of file PDF.h.

double genie::PDF::fTop

protected

Definition at line 90 of file PDF.h.

double genie::PDF::fUpSea

protected

Definition at line 85 of file PDF.h.

double genie::PDF::fUpValence

protected

Definition at line 83 of file PDF.h.

---

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

• Generator/src/Physics/PartonDistributions/PDF.h
• Generator/src/Physics/PartonDistributions/PDF.cxx