genie::ELFormFactors Class Reference

A class holding the Elastic Form Factors Ge,Gm. More...

#include <ELFormFactors.h>

Public Member Functions
	ELFormFactors ()
	ELFormFactors (const ELFormFactors &form_factors)
virtual	~ELFormFactors ()
void	SetModel (const ELFormFactorsModelI *model)
	Attach an algorithm. More...
void	Calculate (const Interaction *interaction)
	Calculate the form factors for the input interaction using the attached algorithm. More...
double	Gep (void) const
	Get the computed form factor Gep. More...
double	Gmp (void) const
	Get the computed form factor Gmp. More...
double	Gen (void) const
	Get the computed form factor Gen. More...
double	Gmn (void) const
	Get the computed form factor Gmn. More...
const ELFormFactorsModelI *	Model (void) const
	Get the attached model. More...
void	Reset (Option_t *opt="")
void	Copy (const ELFormFactors &ff)
bool	Compare (const ELFormFactors &ff) const
void	Print (ostream &stream) const
bool	operator== (const ELFormFactors &ff) const
ELFormFactors &	operator= (const ELFormFactors &ff)

Private Attributes
double	fGep
double	fGmp
double	fGen
double	fGmn
const ELFormFactorsModelI *	fModel

Friends
ostream &	operator<< (ostream &stream, const ELFormFactors &ff)

Detailed Description

A class holding the Elastic Form Factors Ge,Gm.

This class is using the Strategy Pattern.

Author

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

Apr 20, 2004

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

Definition at line 36 of file ELFormFactors.h.

Constructor & Destructor Documentation

ELFormFactors::ELFormFactors

(

)

Definition at line 34 of file ELFormFactors.cxx.

{
  this->Reset();
}

ELFormFactors::ELFormFactors

(

const ELFormFactors &

form_factors

)

Definition at line 39 of file ELFormFactors.cxx.

{
  this->Copy(ff);
}

virtual genie::ELFormFactors::~ELFormFactors ( )

inlinevirtual

Definition at line 41 of file ELFormFactors.h.

{ }

Member Function Documentation

void ELFormFactors::Calculate

(

const Interaction *

interaction

)

Calculate the form factors for the input interaction using the attached algorithm.

Definition at line 50 of file ELFormFactors.cxx.

{
  if(!this->fModel)
  {
    LOG("ELFormFactors", pERROR)
                   << "No ELFormFactorModelI algorithm was defined!";
    this->Reset("D");
  }
  else {
    this->fGep = this->fModel->Gep(interaction);
    this->fGmp = this->fModel->Gmp(interaction);
    this->fGen = this->fModel->Gen(interaction);
    this->fGmn = this->fModel->Gmn(interaction);
  }
}

bool ELFormFactors::Compare

(

const ELFormFactors &

ff

)

const

Definition at line 89 of file ELFormFactors.cxx.

{
  bool equal =
          math::AreEqual(this->fGep, ff.fGep) &&
          math::AreEqual(this->fGmp, ff.fGmp) &&
          math::AreEqual(this->fGen, ff.fGen) &&
          math::AreEqual(this->fGmn, ff.fGmn);
  return equal;
}

void ELFormFactors::Copy

(

const ELFormFactors &

ff

)

Definition at line 80 of file ELFormFactors.cxx.

{
  this->fModel = ff.fModel;
  this->fGep   = ff.fGep;
  this->fGmp   = ff.fGmp;
  this->fGen   = ff.fGen;
  this->fGmn   = ff.fGmn;
}

double genie::ELFormFactors::Gen ( void  ) const

inline

Get the computed form factor Gen.

Definition at line 56 of file ELFormFactors.h.

{ return fGen; }

double genie::ELFormFactors::Gep ( void  ) const

inline

Get the computed form factor Gep.

Definition at line 50 of file ELFormFactors.h.

{ return fGep; }

double genie::ELFormFactors::Gmn ( void  ) const

inline

Get the computed form factor Gmn.

Definition at line 59 of file ELFormFactors.h.

{ return fGmn; }

double genie::ELFormFactors::Gmp ( void  ) const

inline

Get the computed form factor Gmp.

Definition at line 53 of file ELFormFactors.h.

{ return fGmp; }

const ELFormFactorsModelI* genie::ELFormFactors::Model ( void  ) const

inline

Get the attached model.

Definition at line 62 of file ELFormFactors.h.

{return fModel;}

ELFormFactors & ELFormFactors::operator=

(

const ELFormFactors &

ff

)

Definition at line 111 of file ELFormFactors.cxx.

{
  this->Copy(ff);
  return (*this);
}

bool ELFormFactors::operator==

(

const ELFormFactors &

ff

)

const

Definition at line 106 of file ELFormFactors.cxx.

{
  return this->Compare(ff);
}

void ELFormFactors::Print

(

ostream &

stream

)

const

Definition at line 99 of file ELFormFactors.cxx.

{
  stream<< endl;
  stream<< "(Gep = " << this->fGep << ", Gmp = " << this->fGmp << ")" << endl;
  stream<< "(Gen = " << this->fGen << ", Gmn = " << this->fGmn << ")" << endl;
}

void ELFormFactors::Reset

(

Option_t *

opt = ""

)

Definition at line 66 of file ELFormFactors.cxx.

{
// Reset the ELFormFactors object (data & attached model). If the input
// option = D it resets the data only and not the attached model.

  this->fGep = 0.;
  this->fGmp = 0.;
  this->fGen = 0.;
  this->fGmn = 0.;

  string option(opt);
  if(option.find("D") == string::npos) {this->fModel = 0;}
}

void ELFormFactors::SetModel

(

const ELFormFactorsModelI *

model

)

Attach an algorithm.

Definition at line 44 of file ELFormFactors.cxx.

{
  this->Reset();
  this->fModel = model;
}

Friends And Related Function Documentation

ostream& operator<< ( ostream &  stream, const ELFormFactors &  ff  )

friend

Definition at line 27 of file ELFormFactors.cxx.

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

Member Data Documentation

double genie::ELFormFactors::fGen

private

Definition at line 77 of file ELFormFactors.h.

double genie::ELFormFactors::fGep

private

Definition at line 75 of file ELFormFactors.h.

double genie::ELFormFactors::fGmn

private

Definition at line 78 of file ELFormFactors.h.

double genie::ELFormFactors::fGmp

private

Definition at line 76 of file ELFormFactors.h.

const ELFormFactorsModelI* genie::ELFormFactors::fModel

private

Definition at line 80 of file ELFormFactors.h.

---

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

• Generator/src/Physics/QuasiElastic/XSection/ELFormFactors.h
• Generator/src/Physics/QuasiElastic/XSection/ELFormFactors.cxx