KLFitter::ResSingleGaussBase Class Reference

This class offers a simple parameterization of a resolution. More...

#include <ResSingleGaussBase.h>

Inheritance diagram for KLFitter::ResSingleGaussBase:

Public Member Functions
	ResSingleGaussBase (const char *filename)
	The default constructor.
	ResSingleGaussBase (std::vector< double > const &parameters)
	A constructor that takes parameters directly, unlike the default constructor that takes a path to the file with TFs. More...
virtual	~ResSingleGaussBase ()
	The (defaulted) destructor.
virtual double	GetMean (double x)=0
	Calculate the mean of the Gaussian from the TF parameters and the value of x. More...
virtual double	GetSigma (double x) override=0
	Calculate the width of the Gaussian from the TF parameters and the value of x. More...
double	logp (double x, double xmeas, bool *good, double=0) override
	Return the probability of the true value of x given the measured value, xmeas. More...
Public Member Functions inherited from KLFitter::ResolutionBase
	ResolutionBase (int npar)
	The default constructor. More...
	ResolutionBase (std::vector< double > parameters)
	A constructor. More...
virtual	~ResolutionBase ()
	The (defaulted) destructor.
int	Par (int index, double *par)
	Return a parameter of the parameterization. More...
int	SetPar (int index, double value)
	Set a parameter value. More...
int	SetPar (std::vector< double > parameters)
	Set all parameter values. More...
int	ReadParameters (const char *filename, std::size_t nparameters)
	Read parameter values from ASCII file. More...
int	Status ()
	Return a status code. More...

Static Public Member Functions
static bool	CheckSingleGaussianSanity (double *sigma)
	Sanity check for single gaussian parameter sigma. More...

Additional Inherited Members
Protected Attributes inherited from KLFitter::ResolutionBase
int	fNParameters
	The number of parameters.
std::vector< double >	fParameters
	The parameter values.
int	fStatus
	The status of this class (1: ok, 0: error).

Detailed Description

This class offers a simple parameterization of a resolution.

The parameterization is a single Gaussian with energy dependent parameters.

Constructor & Destructor Documentation

KLFitter::ResSingleGaussBase::ResSingleGaussBase ( std::vector< double > const &  parameters )

explicit

A constructor that takes parameters directly, unlike the default constructor that takes a path to the file with TFs.

Parameters

parameters

The parameters of the parameterization.

Member Function Documentation

static bool KLFitter::ResSingleGaussBase::CheckSingleGaussianSanity ( double *  sigma )

inlinestatic

Sanity check for single gaussian parameter sigma.

Parameters

sigma.

Returns

False if problem with TF.

virtual double KLFitter::ResSingleGaussBase::GetMean ( double  x )

pure virtual

Calculate the mean of the Gaussian from the TF parameters and the value of x.

Parameters

x	The value of x.

Returns

The mean.

Implemented in KLFitter::ResSingleGaussE, and KLFitter::ResSingleGaussPt.

virtual double KLFitter::ResSingleGaussBase::GetSigma ( double  x )

overridepure virtual

Calculate the width of the Gaussian from the TF parameters and the value of x.

Parameters

x	The value of x.

Returns

The width.

Implements KLFitter::ResolutionBase.

Implemented in KLFitter::ResSingleGaussE, and KLFitter::ResSingleGaussPt.

double KLFitter::ResSingleGaussBase::logp ( double  x, double  xmeas, bool *  good, double  = 0  )

overridevirtual

Return the probability of the true value of x given the measured value, xmeas.

Parameters

x	The true value of x.
xmeas	The measured value of x.
good	False if problem with TF.
par	Optional additional parameter (not used here).

Returns

Logarithm of the probability.

Reimplemented from KLFitter::ResolutionBase.

---

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

• include/KLFitter/ResSingleGaussBase.h
• src/ResSingleGaussBase.cxx