RooInvTransform Class Reference

Lightweight function binding that returns the inverse of an input function binding.

Apply the change of variables transformation x -> 1/x to the input function and its range. The function must be one dimensional and its range cannot include zero.

Definition at line 21 of file RooInvTransform.h.

Public Member Functions
	RooInvTransform (const RooAbsFunc &func)
	Constructor.
virtual std::list< double > *	binBoundaries (Int_t) const
UInt_t	getDimension () const
double	getMaxLimit (UInt_t index) const override
double	getMinLimit (UInt_t index) const override
virtual const char *	getName () const
	Name of function binding.
TClass *	IsA () const override
bool	isValid () const
Int_t	numCall () const
	Return number of function calls since last reset.
double	operator() (const double xvector[]) const override
virtual std::list< double > *	plotSamplingHint (RooAbsRealLValue &, double, double) const
	Interface for returning an optional hint for initial sampling points when constructing a curve projected on observable.
void	resetNumCall () const
	Reset function call counter.
virtual void	restoreXVec () const
virtual void	saveXVec () const
void	Streamer (TBuffer &) override
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Static Public Member Functions
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()

Protected Attributes
UInt_t	_dimension
	Number of observables.
const RooAbsFunc *	_func
	Input function binding.
Int_t	_ncall
	Function call counter.
bool	_valid
	Is binding in valid state?

#include <RooInvTransform.h>

Inheritance diagram for RooInvTransform:

Constructor & Destructor Documentation

RooInvTransform()

RooInvTransform::RooInvTransform

(

const RooAbsFunc &

func

)

Constructor.

Definition at line 40 of file RooInvTransform.cxx.

Member Function Documentation

binBoundaries()

virtual std::list< double > * RooAbsFunc::binBoundaries ( Int_t ) const

inlinevirtualinherited

Reimplemented in RooRealBinding.

Definition at line 69 of file RooAbsFunc.h.

Class()

TClass * RooInvTransform::Class ( )

static

Returns

TClass describing this class

Class_Name()

const char * RooInvTransform::Class_Name ( )

static

Returns

Name of this class

Class_Version()

constexpr Version_t RooInvTransform::Class_Version ( )

inlinestaticconstexpr

Returns

Version of this class

Definition at line 35 of file RooInvTransform.h.

DeclFileName()

const char * RooInvTransform::DeclFileName ( )

inlinestatic

Returns

Name of the file containing the class declaration

Definition at line 35 of file RooInvTransform.h.

getDimension()

UInt_t RooAbsFunc::getDimension ( ) const

inlineinherited

Definition at line 33 of file RooAbsFunc.h.

getMaxLimit()

double RooInvTransform::getMaxLimit ( UInt_t index ) const

inlineoverridevirtual

Implements RooAbsFunc.

Definition at line 30 of file RooInvTransform.h.

getMinLimit()

double RooInvTransform::getMinLimit ( UInt_t index ) const

inlineoverridevirtual

Implements RooAbsFunc.

Definition at line 29 of file RooInvTransform.h.

getName()

virtual const char * RooAbsFunc::getName ( ) const

inlinevirtualinherited

Name of function binding.

Reimplemented in RooRealBinding.

Definition at line 65 of file RooAbsFunc.h.

IsA()

TClass * RooInvTransform::IsA ( ) const

inlineoverridevirtual

Returns

TClass describing current object

Reimplemented from RooAbsFunc.

Definition at line 35 of file RooInvTransform.h.

isValid()

bool RooAbsFunc::isValid ( ) const

inlineinherited

Definition at line 37 of file RooAbsFunc.h.

numCall()

Int_t RooAbsFunc::numCall ( ) const

inlineinherited

Return number of function calls since last reset.

Definition at line 47 of file RooAbsFunc.h.

operator()()

double RooInvTransform::operator() ( const double xvector[] ) const

inlineoverridevirtual

Implements RooAbsFunc.

Definition at line 25 of file RooInvTransform.h.

plotSamplingHint()

virtual std::list< double > * RooAbsFunc::plotSamplingHint ( RooAbsRealLValue & , double , double  ) const

inlinevirtualinherited

Interface for returning an optional hint for initial sampling points when constructing a curve projected on observable.

Reimplemented in RooRealBinding.

Definition at line 73 of file RooAbsFunc.h.

resetNumCall()

void RooAbsFunc::resetNumCall ( ) const

inlineinherited

Reset function call counter.

Definition at line 52 of file RooAbsFunc.h.

restoreXVec()

virtual void RooAbsFunc::restoreXVec ( ) const

inlinevirtualinherited

Reimplemented in RooRealBinding.

Definition at line 59 of file RooAbsFunc.h.

saveXVec()

virtual void RooAbsFunc::saveXVec ( ) const

inlinevirtualinherited

Reimplemented in RooRealBinding.

Definition at line 56 of file RooAbsFunc.h.

Streamer()

void RooInvTransform::Streamer ( TBuffer & )

overridevirtual

Reimplemented from RooAbsFunc.

StreamerNVirtual()

void RooInvTransform::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 35 of file RooInvTransform.h.

Member Data Documentation

_dimension

UInt_t RooAbsFunc::_dimension

protectedinherited

Number of observables.

Definition at line 79 of file RooAbsFunc.h.

_func

const RooAbsFunc* RooInvTransform::_func

protected

Input function binding.

Definition at line 33 of file RooInvTransform.h.

_ncall

Int_t RooAbsFunc::_ncall

mutableprotectedinherited

Function call counter.

Definition at line 78 of file RooAbsFunc.h.

_valid

bool RooAbsFunc::_valid

protectedinherited

Is binding in valid state?

Definition at line 80 of file RooAbsFunc.h.

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

• roofit/roofitcore/inc/RooInvTransform.h
• roofit/roofitcore/src/RooInvTransform.cxx