Abstract Base Class for Fitting.

Definition at line 29 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	{ kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff }

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

enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }

enum	EStatusBits { kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }

Public Member Functions
	TVirtualFitter ()
	Default constructor.

	~TVirtualFitter () override
	Cleanup virtual fitter.

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

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

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

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

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	GetNumberFreeParameters () const =0

virtual Int_t	GetNumberTotalParameters () const =0

virtual TObject *	GetObjectFit () const

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 Double_t	GetParError (Int_t ipar) 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

TClass *	IsA () const override

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.

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)

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)

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TNamed
	TNamed ()

	TNamed (const char name, const char title)

	TNamed (const TNamed &named)
	TNamed copy ctor.

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

virtual	~TNamed ()
	TNamed destructor.

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

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

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

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

const char *	GetName () const override
	Returns name of object.

const char *	GetTitle () const override
	Returns title of object.

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

Bool_t	IsSortable () const override

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

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

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

virtual void	SetName (const char *name)
	Set the name of the TNamed.

virtual void	SetNameTitle (const char name, const char title)
	Set all the TNamed parameters (name and title).

virtual void	SetTitle (const char *title="")
	Set the title of the TNamed.

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

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TObject
	TObject ()
	TObject constructor.

	TObject (const TObject &object)
	TObject copy ctor.

virtual	~TObject ()
	TObject destructor.

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

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

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

ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.

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

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

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

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

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

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad with: `gROOT->SetSelectedPad(c1)`.

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

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

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

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

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

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

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

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

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

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

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

virtual Option_t *	GetOption () const

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

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

Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.

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

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

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

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

void	InvertBit (UInt_t f)

Bool_t	IsDestructed () const
	IsDestructed.

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

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

R__ALWAYS_INLINE Bool_t	IsOnHeap () const

R__ALWAYS_INLINE Bool_t	IsZombie () const

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).

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification (the base implementation is no-op).

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

void	operator delete (void *ptr)
	Operator delete.

void	operator delete (void ptr, void vp)
	Only called by placement new when throwing an exception.

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

void	operator delete[] (void ptr, void vp)
	Only called by placement new[] when throwing an exception.

void *	operator new (size_t sz)

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

void *	operator new[] (size_t sz)

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

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

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

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

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

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

void	ResetBit (UInt_t f)

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

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

void	SetBit (UInt_t f)

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

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

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

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

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

R__ALWAYS_INLINE Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

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

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

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

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

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

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

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

static Double_t	GetErrorDef ()
	static: Return the Error Definition

static TVirtualFitter *	GetFitter ()
	static: return the current Fitter

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

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

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

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 https://cern-tex.web.cern.ch/cern-tex/minuit/node18.html)

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

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 https://cern-tex.web.cern.ch/cern-tex/minuit/node18.html )

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 https://cern-tex.web.cern.ch/cern-tex/minuit/node18.html )

Static Public Member Functions inherited from TNamed
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TObject
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Longptr_t	GetDtorOnly ()
	Return destructor only flag.

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

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

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

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

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

Protected Member Functions inherited from TObject
virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected).

void	MakeZombie ()

Protected Attributes
Double_t *	fCache
	[fCacheSize] Array of points data (fNpoints*fPointSize < fCacheSize words)

Int_t	fCacheSize
	Size of the fCache array.

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

TMethodCall *	fMethodCall
	Pointer to MethodCall in case of interpreted function.

Int_t	fNpoints
	Number of points to fit.

TObject *	fObjectFit
	Pointer to object being fitted.

Foption_t	fOption
	Struct with the fit options.

Int_t	fPointSize
	Number of words per point in the cache.

TObject *	fUserFunc
	Pointer to user theoretical function (a TF1*)

Int_t	fXfirst
	First bin on X axis.

Int_t	fXlast
	Last bin on X axis.

Int_t	fYfirst
	First bin on Y axis.

Int_t	fYlast
	Last bin on Y axis.

Int_t	fZfirst
	First bin on Z axis.

Int_t	fZlast
	Last bin on Z axis.

Protected Attributes inherited from TNamed
TString	fName

TString	fTitle

Additional Inherited Members
Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 3 )) }

#include <TVirtualFitter.h>

Inheritance diagram for TVirtualFitter:

[legend]

Member Typedef Documentation

◆ FCNFunc_t

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

Definition at line 71 of file TVirtualFitter.h.

Constructor & Destructor Documentation

◆ TVirtualFitter() [1/2]

TVirtualFitter::TVirtualFitter ( const TVirtualFitter & tvf )

protected

copy constructor

Definition at line 93 of file TVirtualFitter.cxx.

◆ TVirtualFitter() [2/2]

TVirtualFitter::TVirtualFitter ( )

Default constructor.

Definition at line 72 of file TVirtualFitter.cxx.

◆ ~TVirtualFitter()

TVirtualFitter::~TVirtualFitter ( )

override

Cleanup virtual fitter.

Definition at line 142 of file TVirtualFitter.cxx.

Member Function Documentation

◆ Chisquare()

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

pure virtual

Implemented in TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ Class()

static TClass * TVirtualFitter::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TVirtualFitter::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TVirtualFitter::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 120 of file TVirtualFitter.h.

◆ Clear()

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

overridepure virtual

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

Reimplemented from TNamed.

Implemented in TFumili, TBackCompFitter, TFitter, and TLinearFitter.

◆ DeclFileName()

static const char * TVirtualFitter::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 120 of file TVirtualFitter.h.

◆ ExecuteCommand()

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

pure virtual

Implemented in TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ Fitter()

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 159 of file TVirtualFitter.cxx.

◆ FixParameter()

virtual void TVirtualFitter::FixParameter ( Int_t ipar )

pure virtual

Implemented in TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ GetConfidenceIntervals() [1/2]

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 TBackCompFitter, TFitter, and TLinearFitter.

Definition at line 185 of file TVirtualFitter.cxx.

◆ GetConfidenceIntervals() [2/2]

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

virtual

return confidence intervals in TObject obj implemented in TFitter and TLinearFitter

Reimplemented in TBackCompFitter, TFitter, and TLinearFitter.

Definition at line 193 of file TVirtualFitter.cxx.

◆ GetCovarianceMatrix()

virtual Double_t * TVirtualFitter::GetCovarianceMatrix ( ) const

pure virtual

Implemented in TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ GetCovarianceMatrixElement()

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

pure virtual

Implemented in TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ GetDefaultFitter()

const char * TVirtualFitter::GetDefaultFitter ( )

static

static: return the name of the default fitter

Definition at line 200 of file TVirtualFitter.cxx.

◆ GetErrorDef()

Double_t TVirtualFitter::GetErrorDef ( )

static

static: Return the Error Definition

Definition at line 227 of file TVirtualFitter.cxx.

◆ GetErrors()

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 TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ GetFCN()

virtual FCNFunc_t TVirtualFitter::GetFCN ( )

inlinevirtual

Definition at line 72 of file TVirtualFitter.h.

◆ GetFitOption()

virtual Foption_t TVirtualFitter::GetFitOption ( ) const

inlinevirtual

Definition at line 73 of file TVirtualFitter.h.

◆ GetFitter()

TVirtualFitter * TVirtualFitter::GetFitter ( )

static

static: return the current Fitter

Definition at line 209 of file TVirtualFitter.cxx.

◆ GetMaxIterations()

Int_t TVirtualFitter::GetMaxIterations ( )

static

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

Definition at line 218 of file TVirtualFitter.cxx.

◆ GetMethodCall()

TMethodCall * TVirtualFitter::GetMethodCall ( ) const

inline

Definition at line 74 of file TVirtualFitter.h.

◆ GetNumberFreeParameters()

virtual Int_t TVirtualFitter::GetNumberFreeParameters ( ) const

pure virtual

Implemented in TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ GetNumberTotalParameters()

virtual Int_t TVirtualFitter::GetNumberTotalParameters ( ) const

pure virtual

Implemented in TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ GetObjectFit()

virtual TObject * TVirtualFitter::GetObjectFit ( ) const

inlinevirtual

Definition at line 77 of file TVirtualFitter.h.

◆ GetParameter() [1/2]

virtual Double_t TVirtualFitter::GetParameter ( Int_t ipar ) const

pure virtual

Implemented in TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ GetParameter() [2/2]

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, TBackCompFitter, TFumili, and TFitter.

◆ GetParError()

virtual Double_t TVirtualFitter::GetParError ( Int_t ipar ) const

pure virtual

Implemented in TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ GetParName()

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

pure virtual

Implemented in TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ GetPrecision()

Double_t TVirtualFitter::GetPrecision ( )

static

static: Return the fit relative precision

Definition at line 236 of file TVirtualFitter.cxx.

◆ GetStats()

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, TBackCompFitter, TFumili, and TFitter.

◆ GetSumLog()

virtual Double_t TVirtualFitter::GetSumLog ( Int_t i )

pure virtual

Implemented in TBackCompFitter, TFitter, TFumili, and TLinearFitter.

◆ GetUserFunc()

virtual TObject * TVirtualFitter::GetUserFunc ( ) const

inlinevirtual

Definition at line 84 of file TVirtualFitter.h.

◆ GetXfirst()

virtual Int_t TVirtualFitter::GetXfirst ( ) const

inlinevirtual

Definition at line 85 of file TVirtualFitter.h.

◆ GetXlast()

virtual Int_t TVirtualFitter::GetXlast ( ) const

inlinevirtual

Definition at line 86 of file TVirtualFitter.h.

◆ GetYfirst()

virtual Int_t TVirtualFitter::GetYfirst ( ) const

inlinevirtual

Definition at line 87 of file TVirtualFitter.h.

◆ GetYlast()

virtual Int_t TVirtualFitter::GetYlast ( ) const

inlinevirtual

Definition at line 88 of file TVirtualFitter.h.

◆ GetZfirst()

virtual Int_t TVirtualFitter::GetZfirst ( ) const

inlinevirtual

Definition at line 89 of file TVirtualFitter.h.

◆ GetZlast()

virtual Int_t TVirtualFitter::GetZlast ( ) const

inlinevirtual

Definition at line 90 of file TVirtualFitter.h.

◆ IsA()

TClass * TVirtualFitter::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TNamed.

Definition at line 120 of file TVirtualFitter.h.

◆ IsFixed()

virtual Bool_t TVirtualFitter::IsFixed ( Int_t ipar ) const

pure virtual

Implemented in TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ operator=()

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

protected

assignment operator

Definition at line 116 of file TVirtualFitter.cxx.

◆ PrintResults()

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

pure virtual

Implemented in TFumili, TBackCompFitter, TFitter, and TLinearFitter.

◆ ReleaseParameter()

virtual void TVirtualFitter::ReleaseParameter ( Int_t ipar )

pure virtual

Implemented in TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ SetCache()

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 281 of file TVirtualFitter.cxx.

◆ SetDefaultFitter()

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

static

static: set name of default fitter

Definition at line 245 of file TVirtualFitter.cxx.

◆ SetErrorDef()

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 https://cern-tex.web.cern.ch/cern-tex/minuit/node18.html)

Definition at line 308 of file TVirtualFitter.cxx.

◆ SetFCN()

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 267 of file TVirtualFitter.cxx.

◆ SetFitMethod()

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

pure virtual

Implemented in TLinearFitter, TBackCompFitter, TFumili, and TFitter.

◆ SetFitOption()

virtual void TVirtualFitter::SetFitOption ( Foption_t option )

inlinevirtual

Definition at line 97 of file TVirtualFitter.h.

◆ SetFitter()

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

static

Static function to set an alternative fitter.

Definition at line 257 of file TVirtualFitter.cxx.

◆ SetMaxIterations()

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 https://cern-tex.web.cern.ch/cern-tex/minuit/node18.html )

Definition at line 298 of file TVirtualFitter.cxx.

◆ SetObjectFit()

virtual void TVirtualFitter::SetObjectFit ( TObject * obj )

inlinevirtual

Definition at line 98 of file TVirtualFitter.h.

◆ SetParameter()

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 TBackCompFitter, TFumili, TFitter, and TLinearFitter.

◆ SetPrecision()

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 https://cern-tex.web.cern.ch/cern-tex/minuit/node18.html )

Definition at line 323 of file TVirtualFitter.cxx.

◆ SetUserFunc()

virtual void TVirtualFitter::SetUserFunc ( TObject * userfunc )

inlinevirtual

Definition at line 100 of file TVirtualFitter.h.

◆ SetXfirst()

virtual void TVirtualFitter::SetXfirst ( Int_t first )

inlinevirtual

Definition at line 101 of file TVirtualFitter.h.

◆ SetXlast()

virtual void TVirtualFitter::SetXlast ( Int_t last )

inlinevirtual

Definition at line 102 of file TVirtualFitter.h.

◆ SetYfirst()

virtual void TVirtualFitter::SetYfirst ( Int_t first )

inlinevirtual

Definition at line 103 of file TVirtualFitter.h.

◆ SetYlast()

virtual void TVirtualFitter::SetYlast ( Int_t last )

inlinevirtual

Definition at line 104 of file TVirtualFitter.h.

◆ SetZfirst()

virtual void TVirtualFitter::SetZfirst ( Int_t first )

inlinevirtual

Definition at line 105 of file TVirtualFitter.h.

◆ SetZlast()

virtual void TVirtualFitter::SetZlast ( Int_t last )

inlinevirtual

Definition at line 106 of file TVirtualFitter.h.

◆ Streamer()

void TVirtualFitter::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TNamed.

◆ StreamerNVirtual()

void TVirtualFitter::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 120 of file TVirtualFitter.h.

Member Data Documentation

◆ fCache

Double_t* TVirtualFitter::fCache

protected

[fCacheSize] Array of points data (fNpoints*fPointSize < fCacheSize words)

Definition at line 42 of file TVirtualFitter.h.

◆ fCacheSize

Int_t TVirtualFitter::fCacheSize

protected

Size of the fCache array.

Definition at line 41 of file TVirtualFitter.h.

◆ fFCN

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

protected

Definition at line 46 of file TVirtualFitter.h.

◆ fMethodCall

TMethodCall* TVirtualFitter::fMethodCall

protected

Pointer to MethodCall in case of interpreted function.

Definition at line 45 of file TVirtualFitter.h.

◆ fNpoints

Int_t TVirtualFitter::fNpoints

protected

Number of points to fit.

Definition at line 39 of file TVirtualFitter.h.

◆ fObjectFit

TObject* TVirtualFitter::fObjectFit

protected

Pointer to object being fitted.

Definition at line 43 of file TVirtualFitter.h.

◆ fOption

Foption_t TVirtualFitter::fOption

protected

Struct with the fit options.

Definition at line 32 of file TVirtualFitter.h.

◆ fPointSize

Int_t TVirtualFitter::fPointSize

protected

Number of words per point in the cache.

Definition at line 40 of file TVirtualFitter.h.

◆ fUserFunc

TObject* TVirtualFitter::fUserFunc

protected

Pointer to user theoretical function (a TF1*)

Definition at line 44 of file TVirtualFitter.h.

◆ fXfirst

Int_t TVirtualFitter::fXfirst

protected

First bin on X axis.

Definition at line 33 of file TVirtualFitter.h.

◆ fXlast

Int_t TVirtualFitter::fXlast

protected

Last bin on X axis.

Definition at line 34 of file TVirtualFitter.h.

◆ fYfirst

Int_t TVirtualFitter::fYfirst

protected

First bin on Y axis.

Definition at line 35 of file TVirtualFitter.h.

◆ fYlast

Int_t TVirtualFitter::fYlast

protected

Last bin on Y axis.

Definition at line 36 of file TVirtualFitter.h.

◆ fZfirst

Int_t TVirtualFitter::fZfirst

protected

First bin on Z axis.

Definition at line 37 of file TVirtualFitter.h.

◆ fZlast

Int_t TVirtualFitter::fZlast

protected

Last bin on Z axis.

Definition at line 38 of file TVirtualFitter.h.

Libraries for TVirtualFitter:

[legend]

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

hist/hist/inc/TVirtualFitter.h
hist/hist/src/TVirtualFitter.cxx

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Member Typedef Documentation

◆ FCNFunc_t

Constructor & Destructor Documentation

◆ TVirtualFitter() [1/2]

◆ TVirtualFitter() [2/2]

◆ ~TVirtualFitter()

Member Function Documentation

◆ Chisquare()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ Clear()

◆ DeclFileName()

◆ ExecuteCommand()

◆ Fitter()

◆ FixParameter()

◆ GetConfidenceIntervals() [1/2]

◆ GetConfidenceIntervals() [2/2]

◆ GetCovarianceMatrix()

◆ GetCovarianceMatrixElement()

◆ GetDefaultFitter()

◆ GetErrorDef()

◆ GetErrors()

◆ GetFCN()

◆ GetFitOption()

◆ GetFitter()

◆ GetMaxIterations()

◆ GetMethodCall()

◆ GetNumberFreeParameters()

◆ GetNumberTotalParameters()

◆ GetObjectFit()

◆ GetParameter() [1/2]

◆ GetParameter() [2/2]

◆ GetParError()

◆ GetParName()

◆ GetPrecision()

◆ GetStats()

◆ GetSumLog()

◆ GetUserFunc()

◆ GetXfirst()

◆ GetXlast()

◆ GetYfirst()

◆ GetYlast()

◆ GetZfirst()

◆ GetZlast()

◆ IsA()

◆ IsFixed()

◆ operator=()

◆ PrintResults()

◆ ReleaseParameter()

◆ SetCache()

◆ SetDefaultFitter()

◆ SetErrorDef()

◆ SetFCN()

◆ SetFitMethod()

◆ SetFitOption()

◆ SetFitter()

◆ SetMaxIterations()

◆ SetObjectFit()

◆ SetParameter()

◆ SetPrecision()

◆ SetUserFunc()

◆ SetXfirst()

◆ SetXlast()

◆ SetYfirst()

◆ SetYlast()

◆ SetZfirst()

◆ SetZlast()

◆ Streamer()

◆ StreamerNVirtual()

Member Data Documentation

◆ fCache

◆ fCacheSize

◆ fFCN