genie::CacheBranchFx Class Reference

A simple cache branch storing the cached data in a TNtuple. More...

#include <CacheBranchFx.h>

Inheritance diagram for genie::CacheBranchFx:

Public Member Functions
	CacheBranchFx ()
	CacheBranchFx (string name)
	~CacheBranchFx ()
const map< double, double > &	Map (void) const
Spline *	Spl (void) const
void	CreateSpline (void)
void	AddValues (double x, double y)
void	Reset (void)
void	Print (ostream &stream) const
double	operator() (double x) const
Public Member Functions inherited from genie::CacheBranchI
virtual	~CacheBranchI ()

Private Member Functions
void	Init (void)
void	CleanUp (void)

Private Attributes
string	fName
	cache branch name More...
map< double, double >	fFx
	x->y map More...
Spline *	fSpline
	spline y = f(x) More...

Friends
ostream &	operator<< (ostream &stream, const CacheBranchFx &cbntp)

Additional Inherited Members
Protected Member Functions inherited from genie::CacheBranchI
	CacheBranchI ()

Detailed Description

A simple cache branch storing the cached data in a TNtuple.

Author

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

November 26, 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 CacheBranchFx.h.

Constructor & Destructor Documentation

CacheBranchFx::CacheBranchFx

(

void

)

Definition at line 27 of file CacheBranchFx.cxx.

                                 :
CacheBranchI()
{
  this->Init();
}

CacheBranchFx::CacheBranchFx

(

string

name

)

Definition at line 33 of file CacheBranchFx.cxx.

                                        :
CacheBranchI()
{
  this->Init();
  fName = name;
}

CacheBranchFx::~CacheBranchFx

(

)

Definition at line 40 of file CacheBranchFx.cxx.

{
  this->CleanUp();
}

Member Function Documentation

void CacheBranchFx::AddValues	(	double	x,
		double	y
	)

Definition at line 63 of file CacheBranchFx.cxx.

{
  fFx.insert(map<double,double>::value_type(x,y));
}

void CacheBranchFx::CleanUp ( void  )

private

Definition at line 51 of file CacheBranchFx.cxx.

{
  if(fSpline) delete fSpline;
  fFx.clear();
}

void CacheBranchFx::CreateSpline

(

void

)

Definition at line 68 of file CacheBranchFx.cxx.

{
  int n = fFx.size();
  double * x = new double[n];
  double * y = new double[n];

  int i=0;
  map<double,double>::const_iterator iter = fFx.begin();
  for( ; iter !=fFx.end(); ++iter) {
    x[i] = iter->first;
    y[i] = iter->second;
    i++;
  }

  if(fSpline) delete fSpline;
  fSpline = new Spline(n,x,y);

  delete [] x;
  delete [] y;
}

void CacheBranchFx::Init ( void  )

private

Definition at line 45 of file CacheBranchFx.cxx.

{
  fName   = "";
  fSpline = 0;
}

const map<double,double>& genie::CacheBranchFx::Map ( void  ) const

inline

Definition at line 46 of file CacheBranchFx.h.

{ return fFx;     }

double CacheBranchFx::operator()

(

double

x

)

const

Definition at line 95 of file CacheBranchFx.cxx.

{
  if(!fSpline) return 0;
  else         return fSpline->Evaluate(x);
}

void CacheBranchFx::Print

(

ostream &

stream

)

const

Definition at line 89 of file CacheBranchFx.cxx.

{
  stream << "type: [CacheBranchFx]  - nentries: " << fFx.size()
           << " / spline: " << ((fSpline) ? "built" : "null");
}

void CacheBranchFx::Reset

(

void

)

Definition at line 57 of file CacheBranchFx.cxx.

{
  this->CleanUp();
  this->Init();
}

Spline* genie::CacheBranchFx::Spl ( void  ) const

inline

Definition at line 47 of file CacheBranchFx.h.

{ return fSpline; }

Friends And Related Function Documentation

ostream& operator<< ( ostream &  stream, const CacheBranchFx &  cbntp  )

friend

Definition at line 20 of file CacheBranchFx.cxx.

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

Member Data Documentation

map<double,double> genie::CacheBranchFx::fFx

private

x->y map

Definition at line 63 of file CacheBranchFx.h.

string genie::CacheBranchFx::fName

private

cache branch name

Definition at line 62 of file CacheBranchFx.h.

Spline* genie::CacheBranchFx::fSpline

private

spline y = f(x)

Definition at line 64 of file CacheBranchFx.h.

---

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

• Generator/src/Framework/Utils/CacheBranchFx.h
• Generator/src/Framework/Utils/CacheBranchFx.cxx