Inheritance diagram for QFitter:

Public Member Functions
	QFitter (QRoutinePointer funcpointer, unsigned int NParameters, double LowBound, double UpBound)
	constructor More...

	QFitter (const QMathFunction &func)
	copy constructor More...

	~QFitter ()
	destructor More...

void	SetParameter (unsigned int p, double val, double min, double max)
	set parameter and its range More...

void	SetParameter (unsigned int p, const char *name, double val, double min, double max)
	set parameter, its range and name More...

void	FixParameter (unsigned int p, double val)
	fix parameter More...

void	FixParameter (unsigned int p, const char *name, double val)
	fix parameter and its name More...

void	Print ()
	print parameters More...

void	PrintResult ()
	print fitted parameters More...

QError	Fit (const QVector &data, double minfit, double maxfit, double binsize)
	fit QVector between minfit and max fits More...

QError	Fit (const QVector &data, double error, double minfit, double maxfit, double binsize)
	fit QVector between minfit and max fits assuming the same error for all points More...

QError	Fit (const QVector &data, const QVector &errors, double minfit, double maxfit, double binsize)
	fit QVector between minfit and max fits assuming errors on points More...

QMathFunction	GetFittedFunction ()
	Get fitted function. More...

QVector &	GetResiduals ()
	Get residuals. More...

double	GetChiSquare ()
	Get chi square over NDOF. More...

void	SetTF1 (TF1 &f1)
	set parameters and ranges from TF1 More...

Public Member Functions inherited from QMathFunction
	QMathFunction (QRoutinePointer funcpointer, unsigned int NParameters, double LowBound, double UpBound)
	constructor More...

	QMathFunction (const QMathFunction &func)
	copy constructor More...

virtual	~QMathFunction ()
	destructor More...

const QMathFunction &	operator= (const QMathFunction &func)
	operator= More...

void	SetParameter (unsigned int p, double val)
	set parameter value More...

void	SetParameter (unsigned int p, const char *name, double val)
	set parameter value and name More...

void	SetParameters (const double *param)
	set all parameters from an array that has to be well sized More...

double	GetParameter (unsigned int p) const
	get parameter More...

const double *	GetParameters () const
	pointer to array of parameters More...

size_t	GetNParameters () const
	get number of parameters More...

double	Eval (double x) const
	evaluate function More...

double	Eval (double x, double *params) const
	evaluate function with external parameters More...

void	SetVerbose (bool verbose=true)
	set verbose More...

QError	GetMinimum (double &min, double &minpos, double epsabs=0.001, double epsrel=0.0)
	get function minimum More...

QError	GetMaximum (double &max, double &maxpos, double epsabs=0.001, double epsrel=0.0)
	get function maximum More...

Static Private Member Functions
static double	RootRoutine (double x, double params)
	function intercace used to fit with root More...

Private Attributes
double *	fParMin

double *	fParMax

double *	fParErr

bool *	fIsFixed

QVector	fResiduals

QVector	fErrors

double	fChiSquare

Static Private Attributes
static const QMathFunction *	fFunctionP = NULL
	pointer to this fitting function More...

Additional Inherited Members
Public Types inherited from QMathFunction
typedef double(*	QRoutinePointer) (double, double *params)
	pointer to function More...

Protected Member Functions inherited from QMathFunction
gsl_function	GetGSLFunction ()
	return a gsl function More...

void	SetParName (unsigned int p, const char *name)
	set parameter name More...

Protected Attributes inherited from QMathFunction
QRoutinePointer	fRoutine
	pointer to the underlying static function More...

size_t	fNParameters
	number of parameters More...

double *	fParameters
	array of parameters More...

std::vector< const char * >	fParNames
	parameters names More...

double	fLowBound
	low function bound More...

double	fUpBound
	high function bound More...

bool	fVerbose
	verbose More...

Detailed Description

fitter

Author: Marco Vignati

Definition at line 18 of file QFitter.hh.

Constructor & Destructor Documentation

◆ QFitter() [1/2]

QFitter::QFitter	(	QRoutinePointer	funcpointer,
		unsigned int	NParameters,
		double	LowBound,
		double	UpBound
	)

constructor

Definition at line 12 of file QFitter.cc.

References fFunctionP, fIsFixed, QMathFunction::fNParameters, fParErr, fParMax, fParMin, and QMathFunction::fVerbose.

◆ QFitter() [2/2]

QFitter::QFitter ( const QMathFunction & func )

copy constructor

Definition at line 22 of file QFitter.cc.

References fFunctionP, fIsFixed, QMathFunction::fNParameters, fParErr, fParMax, fParMin, and QMathFunction::fVerbose.

◆ ~QFitter()

QFitter::~QFitter ( )

destructor

Definition at line 33 of file QFitter.cc.

References fIsFixed, fParErr, fParMax, and fParMin.

Member Function Documentation

◆ Fit() [1/3]

QError QFitter::Fit	(	const QVector &	data,
		const QVector &	errors,
		double	minfit,
		double	maxfit,
		double	binsize
	)

fit QVector between minfit and max fits assuming errors on points

Parameters

errors	vector of the same size of data
binsize

Definition at line 118 of file QFitter.cc.

References QVector::Clear(), err, QMathFunction::Eval(), fChiSquare, fFunctionP, QMathFunction::fLowBound, QMathFunction::fNParameters, QMathFunction::fParameters, fParErr, fResiduals, QMathFunction::fUpBound, QMathFunction::fVerbose, histo(), Q_DOUBLE_DEFAULT, QERR_OUT_OF_RANGE, QERR_SUCCESS, QERR_UNKNOWN_ERR, QVector::Resize(), RootRoutine(), SetTF1(), and QVector::Size().

◆ Fit() [2/3]

QError QFitter::Fit	(	const QVector &	data,
		double	error,
		double	minfit,
		double	maxfit,
		double	binsize
	)

fit QVector between minfit and max fits assuming the same error for all points

Definition at line 110 of file QFitter.cc.

References Fit(), QVector::Initialize(), and QVector::Size().

◆ Fit() [3/3]

QError QFitter::Fit	(	const QVector &	data,
		double	minfit,
		double	maxfit,
		double	binsize
	)

fit QVector between minfit and max fits

Definition at line 103 of file QFitter.cc.

References QVector::Initialize(), and QVector::Size().

Referenced by Fit().

◆ FixParameter() [1/2]

void QFitter::FixParameter	(	unsigned int	p,
		const char *	name,
		double	val
	)

fix parameter and its name

Definition at line 93 of file QFitter.cc.

References FixParameter(), and QMathFunction::SetParName().

◆ FixParameter() [2/2]

void QFitter::FixParameter	(	unsigned int	p,
		double	val
	)

fix parameter

Definition at line 85 of file QFitter.cc.

References fIsFixed, QMathFunction::fNParameters, and QMathFunction::fParameters.

Referenced by FixParameter().

◆ GetChiSquare()

double QFitter::GetChiSquare ( )

inline

Get chi square over NDOF.

Definition at line 72 of file QFitter.hh.

References fChiSquare.

◆ GetFittedFunction()

QMathFunction QFitter::GetFittedFunction ( )

Get fitted function.

◆ GetResiduals()

QVector& QFitter::GetResiduals ( )

inline

Get residuals.

Definition at line 69 of file QFitter.hh.

References fResiduals.

◆ Print()

void QFitter::Print ( )

virtual

print parameters

Reimplemented from QMathFunction.

Definition at line 40 of file QFitter.cc.

References fIsFixed, QMathFunction::fNParameters, QMathFunction::fParameters, fParMax, fParMin, and QMathFunction::fParNames.

◆ PrintResult()

void QFitter::PrintResult ( )

print fitted parameters

Definition at line 54 of file QFitter.cc.

References fIsFixed, QMathFunction::fNParameters, QMathFunction::fParameters, fParErr, and QMathFunction::fParNames.

◆ RootRoutine()

double QFitter::RootRoutine	(	double *	x,
		double *	params
	)

staticprivate

function intercace used to fit with root

Definition at line 98 of file QFitter.cc.

References QMathFunction::Eval(), and fFunctionP.

Referenced by Fit().

◆ SetParameter() [1/2]

void QFitter::SetParameter	(	unsigned int	p,
		const char *	name,
		double	val,
		double	min,
		double	max
	)

set parameter, its range and name

Definition at line 79 of file QFitter.cc.

References max, min(), SetParameter(), and QMathFunction::SetParName().

◆ SetParameter() [2/2]

void QFitter::SetParameter	(	unsigned int	p,
		double	val,
		double	min,
		double	max
	)

set parameter and its range

Definition at line 68 of file QFitter.cc.

References fIsFixed, QMathFunction::fNParameters, QMathFunction::fParameters, fParMax, fParMin, max, and min().

Referenced by SetParameter().

◆ SetTF1()

void QFitter::SetTF1 ( TF1 & f1 )

virtual

set parameters and ranges from TF1

Reimplemented from QMathFunction.

Definition at line 179 of file QFitter.cc.

References fIsFixed, QMathFunction::fNParameters, QMathFunction::fParameters, fParErr, fParMax, fParMin, and QMathFunction::SetTF1().

Referenced by Fit().

Member Data Documentation

◆ fChiSquare

double QFitter::fChiSquare

private

Definition at line 92 of file QFitter.hh.

Referenced by Fit(), and GetChiSquare().

◆ fErrors

QVector QFitter::fErrors

private

Definition at line 91 of file QFitter.hh.

◆ fFunctionP

Q_BEGIN_NAMESPACE const QMathFunction * QFitter::fFunctionP = NULL

staticprivate

pointer to this fitting function

Definition at line 83 of file QFitter.hh.

Referenced by Fit(), QFitter(), and RootRoutine().

◆ fIsFixed

bool* QFitter::fIsFixed

private

Definition at line 88 of file QFitter.hh.

Referenced by FixParameter(), Print(), PrintResult(), QFitter(), SetParameter(), SetTF1(), and ~QFitter().

◆ fParErr

double* QFitter::fParErr

private

Definition at line 87 of file QFitter.hh.

Referenced by Fit(), PrintResult(), QFitter(), SetTF1(), and ~QFitter().

◆ fParMax

double* QFitter::fParMax

private

Definition at line 86 of file QFitter.hh.

Referenced by Print(), QFitter(), SetParameter(), SetTF1(), and ~QFitter().

◆ fParMin

double* QFitter::fParMin

private

Definition at line 85 of file QFitter.hh.

Referenced by Print(), QFitter(), SetParameter(), SetTF1(), and ~QFitter().

◆ fResiduals

QVector QFitter::fResiduals

private

Definition at line 90 of file QFitter.hh.

Referenced by Fit(), and GetResiduals().

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

pkg/coretools/QFitter.hh
pkg/coretools/QFitter.cc

Public Member Functions

Static Private Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QFitter() [1/2]

◆ QFitter() [2/2]

◆ ~QFitter()

Member Function Documentation

◆ Fit() [1/3]

◆ Fit() [2/3]

◆ Fit() [3/3]

◆ FixParameter() [1/2]

◆ FixParameter() [2/2]

◆ GetChiSquare()

◆ GetFittedFunction()

◆ GetResiduals()

◆ Print()

◆ PrintResult()

◆ RootRoutine()

◆ SetParameter() [1/2]

◆ SetParameter() [2/2]

◆ SetTF1()

Member Data Documentation

◆ fChiSquare

◆ fErrors

◆ fFunctionP

◆ fIsFixed

◆ fParErr

◆ fParMax

◆ fParMin

◆ fResiduals