Abstract Base Class for Fitting.

Definition at line 33 of file TVirtualFitter.h.

Public Types
typedef void(*	FCNFunc_t) (Int_t &npar, Double_t gin, Double_t &f, Double_t u, Int_t flag)

Public Types inherited from TObject
enum	EStatusBits { kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) }

enum	{ kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }

enum	{ kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }

Public Member Functions
	TVirtualFitter ()

virtual	~TVirtualFitter ()
	Cleanup virtual fitter. More...

virtual Double_t	Chisquare (Int_t npar, Double_t *params) const =0

virtual void	Clear (Option_t *option="")=0
	Set name and title to empty strings (""). More...

virtual Int_t	ExecuteCommand (const char command, Double_t args, Int_t nargs)=0

virtual void	FixParameter (Int_t ipar)=0

virtual void	GetConfidenceIntervals (Int_t n, Int_t ndim, const Double_t x, Double_t ci, Double_t cl=0.95)
	return confidence intervals in array x of dimension ndim implemented in TFitter and TLinearFitter More...

virtual void	GetConfidenceIntervals (TObject *obj, Double_t cl=0.95)
	return confidence intervals in TObject obj implemented in TFitter and TLinearFitter More...

virtual Double_t *	GetCovarianceMatrix () const =0

virtual Double_t	GetCovarianceMatrixElement (Int_t i, Int_t j) const =0

virtual Int_t	GetErrors (Int_t ipar, Double_t &eplus, Double_t &eminus, Double_t &eparab, Double_t &globcc) const =0

virtual FCNFunc_t	GetFCN ()

virtual Foption_t	GetFitOption () const

TMethodCall *	GetMethodCall () const

virtual Int_t	GetNumberTotalParameters () const =0

virtual Int_t	GetNumberFreeParameters () const =0

virtual TObject *	GetObjectFit () const

virtual Double_t	GetParError (Int_t ipar) const =0

virtual Double_t	GetParameter (Int_t ipar) const =0

virtual Int_t	GetParameter (Int_t ipar, char *name, Double_t &value, Double_t &verr, Double_t &vlow, Double_t &vhigh) const =0

virtual const char *	GetParName (Int_t ipar) const =0

virtual Int_t	GetStats (Double_t &amin, Double_t &edm, Double_t &errdef, Int_t &nvpar, Int_t &nparx) const =0

virtual Double_t	GetSumLog (Int_t i)=0

virtual TObject *	GetUserFunc () const

virtual Int_t	GetXfirst () const

virtual Int_t	GetXlast () const

virtual Int_t	GetYfirst () const

virtual Int_t	GetYlast () const

virtual Int_t	GetZfirst () const

virtual Int_t	GetZlast () const

virtual Bool_t	IsFixed (Int_t ipar) const =0

virtual void	PrintResults (Int_t level, Double_t amin) const =0

virtual void	ReleaseParameter (Int_t ipar)=0

virtual Double_t *	SetCache (Int_t npoints, Int_t psize)
	Initialize the cache array npoints is the number of points to be stored (or already stored) in the cache psize is the number of elements per point. More...

virtual void	SetFCN (void *fcn)
	To set the address of the minimization objective function. More...

virtual void	SetFCN (void(fcn)(Int_t &, Double_t , Double_t &f, Double_t *, Int_t))
	To set the address of the minimization objective function called by the native compiler (see function below when called by CINT) More...

virtual void	SetFitMethod (const char *name)=0

virtual void	SetFitOption (Foption_t option)

virtual void	SetObjectFit (TObject *obj)

virtual Int_t	SetParameter (Int_t ipar, const char *parname, Double_t value, Double_t verr, Double_t vlow, Double_t vhigh)=0

virtual void	SetUserFunc (TObject *userfunc)

virtual void	SetXfirst (Int_t first)

virtual void	SetXlast (Int_t last)

virtual void	SetYfirst (Int_t first)

virtual void	SetYlast (Int_t last)

virtual void	SetZfirst (Int_t first)

virtual void	SetZlast (Int_t last)

Public Member Functions inherited from TNamed
	TNamed ()

	TNamed (const char name, const char title)

	TNamed (const TString &name, const TString &title)

	TNamed (const TNamed &named)

TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator. More...

virtual	~TNamed ()

virtual TObject *	Clone (const char *newname="") const
	Make a clone of an object using the Streamer facility. More...

virtual Int_t	Compare (const TObject *obj) const
	Compare two TNamed objects. More...

virtual void	Copy (TObject &named) const
	Copy this to obj. More...

virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer. More...

virtual const char *	GetName () const
	Returns name of object. More...

virtual const char *	GetTitle () const
	Returns title of object. More...

virtual ULong_t	Hash () const
	Return hash value for this object. More...

virtual Bool_t	IsSortable () const

virtual void	SetName (const char *name)
	Change (i.e. More...

virtual void	SetNameTitle (const char name, const char title)
	Change (i.e. set) all the TNamed parameters (name and title). More...

virtual void	SetTitle (const char *title="")
	Change (i.e. set) the title of the TNamed. More...

virtual void	ls (Option_t *option="") const
	List TNamed name and title. More...

virtual void	Print (Option_t *option="") const
	Print TNamed name and title. More...

virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject. More...

Public Member Functions inherited from TObject
	TObject ()

	TObject (const TObject &object)
	TObject copy ctor. More...

TObject &	operator= (const TObject &rhs)
	TObject assignment operator. More...

virtual	~TObject ()
	TObject destructor. More...

virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad. More...

virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action. More...

virtual const char *	ClassName () const
	Returns name of class to which the object belongs. More...

virtual void	Delete (Option_t *option="")
	Delete this object. More...

virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object. More...

virtual void	Draw (Option_t *option="")
	Default Draw method for all objects. More...

virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs. More...

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current pad. More...

virtual void	Dump () const
	Dump contents of object on stdout. More...

virtual void	Execute (const char method, const char params, Int_t *error=0)
	Execute method on this object with the given parameter string, e.g. More...

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=0)
	Execute method on this object with parameters stored in the TObjArray. More...

virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py). More...

virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes. More...

virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes. More...

virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object. More...

virtual UInt_t	GetUniqueID () const
	Return the unique object id. More...

virtual const char *	GetIconName () const
	Returns mime type name of object. More...

virtual Option_t *	GetOption () const

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py). More...

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out. More...

virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname". More...

virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl. More...

virtual void	Inspect () const
	Dump contents of this object in a graphics canvas. More...

virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...

virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory). More...

Bool_t	IsOnHeap () const

Bool_t	IsZombie () const

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification. More...

virtual void	Paint (Option_t *option="")
	This method must be overridden if a class wants to paint itself. More...

virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list. More...

virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory. More...

virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list. More...

virtual void	SaveAs (const char filename="", Option_t option="") const
	Save this object in the file specified by filename. More...

virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save a primitive as a C++ statement(s) on output stream "out". More...

virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object. More...

virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id. More...

virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More...

virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory. More...

virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory. More...

void *	operator new (size_t sz)

void *	operator new[] (size_t sz)

void *	operator new (size_t sz, void *vp)

void *	operator new[] (size_t sz, void *vp)

void	operator delete (void *ptr)
	Operator delete. More...

void	operator delete[] (void *ptr)
	Operator delete []. More...

void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f. More...

void	SetBit (UInt_t f)

void	ResetBit (UInt_t f)

Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

void	InvertBit (UInt_t f)

virtual void	Info (const char method, const char msgfmt,...) const
	Issue info message. More...

virtual void	Warning (const char method, const char msgfmt,...) const
	Issue warning message. More...

virtual void	Error (const char method, const char msgfmt,...) const
	Issue error message. More...

virtual void	SysError (const char method, const char msgfmt,...) const
	Issue system error message. More...

virtual void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message. More...

void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...

void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More...

void	Obsolete (const char method, const char asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete. More...

Static Public Member Functions
static TVirtualFitter *	GetFitter ()
	static: return the current Fitter More...

static TVirtualFitter *	Fitter (TObject *obj, Int_t maxpar=25)
	Static function returning a pointer to the current fitter. More...

static const char *	GetDefaultFitter ()
	static: return the name of the default fitter More...

static Int_t	GetMaxIterations ()
	static: Return the maximum number of iterations actually max number of function calls More...

static Double_t	GetErrorDef ()
	static: Return the Error Definition More...

static Double_t	GetPrecision ()
	static: Return the fit relative precision More...

static void	SetDefaultFitter (const char *name="")
	static: set name of default fitter More...

static void	SetFitter (TVirtualFitter *fitter, Int_t maxpar=25)
	Static function to set an alternative fitter. More...

static void	SetMaxIterations (Int_t niter=5000)
	static: Set the maximum number of function calls for the minimization algorithm For example for MIGRAD this is the maxcalls value passed as first argument (see http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node18.html ) More...

static void	SetErrorDef (Double_t errdef=1)
	static: Set the Error Definition (default=1) For Minuit this is the value passed with the "SET ERR" command (see http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node18.html) More...

static void	SetPrecision (Double_t prec=1e-6)
	static: Set the tolerance used in the minimization algorithm For example for MIGRAD this is tolerance value passed as second argument (see http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node18.html ) More...

Static Public Member Functions inherited from TObject
static Long_t	GetDtorOnly ()
	Return destructor only flag. More...

static void	SetDtorOnly (void *obj)
	Set destructor only flag. More...

static Bool_t	GetObjectStat ()
	Get status of object stat flag. More...

static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable. More...

Protected Member Functions
	TVirtualFitter (const TVirtualFitter &tvf)
	copy constructor More...

TVirtualFitter &	operator= (const TVirtualFitter &tvf)
	assignment operator More...

Protected Member Functions inherited from TObject
void	MakeZombie ()

virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected). More...

Protected Attributes
Foption_t	fOption

Int_t	fXfirst

Int_t	fXlast

Int_t	fYfirst

Int_t	fYlast

Int_t	fZfirst

Int_t	fZlast

Int_t	fNpoints

Int_t	fPointSize

Int_t	fCacheSize

Double_t *	fCache

TObject *	fObjectFit

TObject *	fUserFunc

TMethodCall *	fMethodCall

void(*	fFCN )(Int_t &npar, Double_t gin, Double_t &f, Double_t u, Int_t flag)

Protected Attributes inherited from TNamed
TString	fName

TString	fTitle

#include <TVirtualFitter.h>

Inheritance diagram for TVirtualFitter:

Collaboration diagram for TVirtualFitter:

Member Typedef Documentation

typedef void(* TVirtualFitter::FCNFunc_t) (Int_t &npar, Double_t *gin, Double_t &f, Double_t *u, Int_t flag)

Definition at line 75 of file TVirtualFitter.h.

Constructor & Destructor Documentation

TVirtualFitter::TVirtualFitter ( const TVirtualFitter & tvf )

protected

copy constructor

Definition at line 94 of file TVirtualFitter.cxx.

TVirtualFitter::TVirtualFitter ( )

TVirtualFitter::~TVirtualFitter ( )

virtual

Cleanup virtual fitter.

Definition at line 143 of file TVirtualFitter.cxx.

Member Function Documentation

virtual Double_t TVirtualFitter::Chisquare	(	Int_t	npar,
		Double_t *	params
	)		const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

virtual void TVirtualFitter::Clear ( Option_t * option = "" )

pure virtual

Set name and title to empty strings ("").

Reimplemented from TNamed.

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Referenced by DoOldMinimization(), and TSPlot::MakeSPlot().

virtual Int_t TVirtualFitter::ExecuteCommand	(	const char *	command,
		Double_t *	args,
		Int_t	nargs
	)

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Referenced by DoOldMinimization(), TMultiDimFit::Fit(), and TSPlot::MakeSPlot().

TVirtualFitter * TVirtualFitter::Fitter	(	TObject *	obj,
		Int_t	maxpar = `25`
	)

static

Static function returning a pointer to the current fitter.

If the fitter does not exist, the default TFitter is created. Don't delete the returned fitter object, it will be re-used.

Definition at line 160 of file TVirtualFitter.cxx.

Referenced by TMultiDimFit::Fit(), TSPlot::MakeSPlot(), and testOldMinimizer().

virtual void TVirtualFitter::FixParameter ( Int_t ipar )

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

void TVirtualFitter::GetConfidenceIntervals	(	Int_t	n,
		Int_t	ndim,
		const Double_t *	x,
		Double_t *	ci,
		Double_t	cl = `0.95`
	)

virtual

return confidence intervals in array x of dimension ndim implemented in TFitter and TLinearFitter

Reimplemented in TLinearFitter, TBackCompFitter, and TFitter.

Definition at line 186 of file TVirtualFitter.cxx.

void TVirtualFitter::GetConfidenceIntervals	(	TObject *	obj,
		Double_t	cl = `0.95`
	)

virtual

return confidence intervals in TObject obj implemented in TFitter and TLinearFitter

Reimplemented in TLinearFitter, TBackCompFitter, and TFitter.

Definition at line 194 of file TVirtualFitter.cxx.

virtual Double_t* TVirtualFitter::GetCovarianceMatrix ( ) const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Referenced by TSPlot::MakeSPlot().

virtual Double_t TVirtualFitter::GetCovarianceMatrixElement	(	Int_t	i,
		Int_t	j
	)		const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

const char * TVirtualFitter::GetDefaultFitter ( )

static

static: return the name of the default fitter

Definition at line 201 of file TVirtualFitter.cxx.

Referenced by TBackCompFitter::ExecuteCommand().

Double_t TVirtualFitter::GetErrorDef ( )

static

static: Return the Error Definition

Definition at line 228 of file TVirtualFitter.cxx.

virtual Int_t TVirtualFitter::GetErrors	(	Int_t	ipar,
		Double_t &	eplus,
		Double_t &	eminus,
		Double_t &	eparab,
		Double_t &	globcc
	)		const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

virtual FCNFunc_t TVirtualFitter::GetFCN ( )

inlinevirtual

Definition at line 76 of file TVirtualFitter.h.

virtual Foption_t TVirtualFitter::GetFitOption ( ) const

inlinevirtual

Definition at line 77 of file TVirtualFitter.h.

Referenced by TFitter::FitChisquare(), TFumili::FitChisquare(), TFitter::FitLikelihood(), TFumili::FitLikelihood(), TFitter::FitLikelihoodI(), Graph2DFitChisquare(), TLinearFitter::Graph2DLinearFitter(), GraphFitChisquare(), GraphFitChisquareFumili(), TLinearFitter::GraphLinearFitter(), TLinearFitter::HistLinearFitter(), MultiGraphFitChisquare(), TLinearFitter::MultiGraphLinearFitter(), and TBackCompFitter::ReCreateMinimizer().

TVirtualFitter * TVirtualFitter::GetFitter ( )

static

Int_t TVirtualFitter::GetMaxIterations ( )

static

static: Return the maximum number of iterations actually max number of function calls

Definition at line 219 of file TVirtualFitter.cxx.

TMethodCall* TVirtualFitter::GetMethodCall ( ) const

inline

Definition at line 78 of file TVirtualFitter.h.

Referenced by HFit::Fit(), and InteractiveFCN().

virtual Int_t TVirtualFitter::GetNumberFreeParameters ( ) const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

virtual Int_t TVirtualFitter::GetNumberTotalParameters ( ) const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

virtual TObject* TVirtualFitter::GetObjectFit ( ) const

inlinevirtual

virtual Double_t TVirtualFitter::GetParameter ( Int_t ipar ) const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Referenced by DoOldMinimization(), TMultiDimFit::Fit(), and TSPlot::MakeSPlot().

virtual Int_t TVirtualFitter::GetParameter	(	Int_t	ipar,
		char *	name,
		Double_t &	value,
		Double_t &	verr,
		Double_t &	vlow,
		Double_t &	vhigh
	)		const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

virtual Double_t TVirtualFitter::GetParError ( Int_t ipar ) const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

virtual const char* TVirtualFitter::GetParName ( Int_t ipar ) const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Double_t TVirtualFitter::GetPrecision ( )

static

static: Return the fit relative precision

Definition at line 237 of file TVirtualFitter.cxx.

virtual Int_t TVirtualFitter::GetStats	(	Double_t &	amin,
		Double_t &	edm,
		Double_t &	errdef,
		Int_t &	nvpar,
		Int_t &	nparx
	)		const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Referenced by DoOldMinimization().

virtual Double_t TVirtualFitter::GetSumLog ( Int_t i )

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

virtual TObject* TVirtualFitter::GetUserFunc ( ) const

inlinevirtual

virtual Int_t TVirtualFitter::GetXfirst ( ) const

inlinevirtual

Definition at line 89 of file TVirtualFitter.h.

Referenced by H1InitExpo(), H1InitGaus(), H1InitPolynom(), H1LeastSquareFit(), H1LeastSquareLinearFit(), and TLinearFitter::HistLinearFitter().

virtual Int_t TVirtualFitter::GetXlast ( ) const

inlinevirtual

Definition at line 90 of file TVirtualFitter.h.

Referenced by H1InitExpo(), H1InitGaus(), H1InitPolynom(), H1LeastSquareFit(), H1LeastSquareLinearFit(), and TLinearFitter::HistLinearFitter().

virtual Int_t TVirtualFitter::GetYfirst ( ) const

inlinevirtual

Definition at line 91 of file TVirtualFitter.h.

Referenced by TLinearFitter::HistLinearFitter().

virtual Int_t TVirtualFitter::GetYlast ( ) const

inlinevirtual

Definition at line 92 of file TVirtualFitter.h.

Referenced by TLinearFitter::HistLinearFitter().

virtual Int_t TVirtualFitter::GetZfirst ( ) const

inlinevirtual

Definition at line 93 of file TVirtualFitter.h.

Referenced by TLinearFitter::HistLinearFitter().

virtual Int_t TVirtualFitter::GetZlast ( ) const

inlinevirtual

Definition at line 94 of file TVirtualFitter.h.

Referenced by TLinearFitter::HistLinearFitter().

virtual Bool_t TVirtualFitter::IsFixed ( Int_t ipar ) const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

TVirtualFitter & TVirtualFitter::operator= ( const TVirtualFitter & tvf )

protected

assignment operator

Definition at line 117 of file TVirtualFitter.cxx.

Referenced by TLinearFitter::operator=().

virtual void TVirtualFitter::PrintResults	(	Int_t	level,
		Double_t	amin
	)		const

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Referenced by TMultiDimFit::Print().

virtual void TVirtualFitter::ReleaseParameter ( Int_t ipar )

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Double_t * TVirtualFitter::SetCache	(	Int_t	npoints,
		Int_t	psize
	)

virtual

Initialize the cache array npoints is the number of points to be stored (or already stored) in the cache psize is the number of elements per point.

if (npoints*psize > fCacheSize) the existing cache is deleted and a new array is created. The function returns a pointer to the cache

Definition at line 301 of file TVirtualFitter.cxx.

void TVirtualFitter::SetDefaultFitter ( const char * name = "" )

static

static: set name of default fitter

Definition at line 246 of file TVirtualFitter.cxx.

Referenced by doFit(), FitUsingTFit(), FitUsingTTreeFit(), testHisto1DFit(), and testOldMinimizer().

void TVirtualFitter::SetErrorDef ( Double_t errdef = 1 )

static

static: Set the Error Definition (default=1) For Minuit this is the value passed with the "SET ERR" command (see http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node18.html)

Definition at line 346 of file TVirtualFitter.cxx.

void TVirtualFitter::SetFCN ( void * fcn )

virtual

To set the address of the minimization objective function.

this function is called by CINT instead of the function above

Reimplemented in TBackCompFitter, and TFitter.

Definition at line 318 of file TVirtualFitter.cxx.

Referenced by DoOldMinimization(), TMultiDimFit::Fit(), TSPlot::MakeSPlot(), TFitter::SetFCN(), TFumili::SetFitMethod(), and TFumiliMinimizer::SetFunction().

void TVirtualFitter::SetFCN ( void(*)(Int_t &, Double_t *, Double_t &f, Double_t *, Int_t) fcn )

virtual

To set the address of the minimization objective function called by the native compiler (see function below when called by CINT)

Reimplemented in TBackCompFitter, and TFitter.

Definition at line 268 of file TVirtualFitter.cxx.

virtual void TVirtualFitter::SetFitMethod ( const char * name )

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

virtual void TVirtualFitter::SetFitOption ( Foption_t option )

inlinevirtual

Definition at line 102 of file TVirtualFitter.h.

Referenced by HFit::Fit(), and ROOT::Fit::UnBinFit().

void TVirtualFitter::SetFitter	(	TVirtualFitter *	fitter,
		Int_t	maxpar = `25`
	)

static

Static function to set an alternative fitter.

Definition at line 258 of file TVirtualFitter.cxx.

Referenced by HFit::Fit(), TBackCompFitter::SetFCN(), and ROOT::Fit::UnBinFit().

void TVirtualFitter::SetMaxIterations ( Int_t niter = 5000 )

static

static: Set the maximum number of function calls for the minimization algorithm For example for MIGRAD this is the maxcalls value passed as first argument (see http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node18.html )

Definition at line 336 of file TVirtualFitter.cxx.

virtual void TVirtualFitter::SetObjectFit ( TObject * obj )

inlinevirtual

Definition at line 103 of file TVirtualFitter.h.

Referenced by HFit::Fit(), and TSPlot::MakeSPlot().

virtual Int_t TVirtualFitter::SetParameter	(	Int_t	ipar,
		const char *	parname,
		Double_t	value,
		Double_t	verr,
		Double_t	vlow,
		Double_t	vhigh
	)

pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Referenced by DoOldMinimization(), TMultiDimFit::Fit(), and TSPlot::MakeSPlot().

void TVirtualFitter::SetPrecision ( Double_t prec = 1e-6 )

static

static: Set the tolerance used in the minimization algorithm For example for MIGRAD this is tolerance value passed as second argument (see http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node18.html )

Definition at line 361 of file TVirtualFitter.cxx.

virtual void TVirtualFitter::SetUserFunc ( TObject * userfunc )

inlinevirtual

Definition at line 105 of file TVirtualFitter.h.

Referenced by HFit::Fit(), and ROOT::Fit::UnBinFit().

virtual void TVirtualFitter::SetXfirst ( Int_t first )

inlinevirtual

Definition at line 106 of file TVirtualFitter.h.

virtual void TVirtualFitter::SetXlast ( Int_t last )

inlinevirtual

Definition at line 107 of file TVirtualFitter.h.

virtual void TVirtualFitter::SetYfirst ( Int_t first )