Class adding two functions: c1*f1+c2*f2.

Definition at line 19 of file TF1NormSum.h.

Public Member Functions
	TF1NormSum ()

	TF1NormSum (const std::vector< TF1 * > &functions, const std::vector< Double_t > &coeffs, Double_t scale=1.)

	TF1NormSum (const TF1NormSum &nsum)
	Copy constructor (necessary to hold unique_ptr as member variable)

	TF1NormSum (const TString &formula, Double_t xmin, Double_t xmax)
	TF1NormSum constructor taking any addition of formulas with coefficient or not.

	TF1NormSum (TF1 function1, TF1 function2, Double_t coeff1=1., Double_t coeff2=1., Double_t scale=1.)
	TF1NormSum constructor taking 2 functions, and 2 coefficients (if not equal to 1)

	TF1NormSum (TF1 function1, TF1 function2, TF1 *function3, Double_t coeff1=1., Double_t coeff2=1., Double_t coeff3=1., Double_t scale=1.)
	TF1NormSum constructor taking 3 functions, and 3 coefficients (if not equal to 1)

virtual	~TF1NormSum ()

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

Int_t	GetNpar () const
	Return the number of (non constant) parameters including the coefficients: for 2 functions: c1,c2,p0,p1,p2,p3...

std::vector< double >	GetParameters () const
	Return array of parameters.

const char *	GetParName (Int_t ipar) const

void	GetRange (Double_t &a, Double_t &b) const

Double_t	GetScale () const

Double_t	GetXmax () const

Double_t	GetXmin () const

double	operator() (const Double_t x, const Double_t p)
	Overload the parenthesis to add the functions.

TF1NormSum &	operator= (const TF1NormSum &rhs)
	Operator =.

void	SetParameters (const Double_t *params)
	Initialize array of all parameters.

void	SetParameters (Double_t p0, Double_t p1, Double_t p2=0., Double_t p3=0., Double_t p4=0., Double_t p5=0., Double_t p6=0., Double_t p7=0., Double_t p8=0., Double_t p9=0., Double_t p10=0.)
	Initialize array of all parameters.

void	SetRange (Double_t a, Double_t b)

void	SetScale (Double_t scale)

void	Update ()
	Update the component functions of the normalized sum.

Public Member Functions inherited from TF1AbsComposition
virtual	~TF1AbsComposition ()

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	Clear (Option_t *="")

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

virtual Int_t	Compare (const TObject *obj) const
	Compare abstract method.

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 for instance with: `gROOT->SetSelectedPad(gPad)`.

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=0)
	Execute method on this object with the given parameter string, e.g.

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=0)
	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 const char *	GetName () const
	Returns 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 const char *	GetTitle () const
	Returns title of object.

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.

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

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)

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

virtual Bool_t	IsSortable () const

R__ALWAYS_INLINE Bool_t	IsZombie () const

virtual void	ls (Option_t *option="") const
	The ls function lists the contents of a class on stdout.

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.

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)
	Operator delete [].

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 void	Print (Option_t *option="") const
	This method must be overridden when a class wants to print itself.

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.

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=0, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.

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

Protected Member Functions
void	InitializeDataMembers (const std::vector< TF1 * > &functions, const std::vector< Double_t > &coeffs, Double_t scale)

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
std::vector< Double_t >	fCoeffs
	Vector of size afNOfFunctions containing coefficients in front of each function.

std::vector< Int_t >	fCstIndexes
	Vector with size of fNOfFunctions containing the index of the constant parameter/ function (the removed ones)

std::vector< std::unique_ptr< TF1 > >	fFunctions
	Maximal bound of range of NormSum.

unsigned int	fNOfFunctions
	Number of functions to add.

std::vector< TString >	fParNames
	Parameter names.

Double_t	fScale
	Fixed Scale parameter to normalize function (e.g. bin width)

Double_t	fXmax
	Minimal bound of range of NormSum.

Double_t	fXmin

Additional Inherited Members
Public Types inherited from TObject
enum	{ kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff }

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

enum	EDeprecatedStatusBits { kObjInCanvas = BIT(3) }

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

Static Public Member Functions inherited from TObject
static Long_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 Types inherited from TObject
enum	{ kOnlyPrepStep = BIT(3) }

#include <TF1NormSum.h>

Inheritance diagram for TF1NormSum:

[legend]

Constructor & Destructor Documentation

◆ TF1NormSum() [1/6]

TF1NormSum::TF1NormSum ( )

Definition at line 131 of file TF1NormSum.cxx.

◆ TF1NormSum() [2/6]

TF1NormSum::TF1NormSum	(	const std::vector< TF1 * > &	functions,
		const std::vector< Double_t > &	coeffs,
		Double_t	scale = `1.`
	)

Definition at line 144 of file TF1NormSum.cxx.

◆ TF1NormSum() [3/6]

TF1NormSum::TF1NormSum	(	TF1 *	function1,
		TF1 *	function2,
		Double_t	coeff1 = `1.`,
		Double_t	coeff2 = `1.`,
		Double_t	scale = `1.`
	)

TF1NormSum constructor taking 2 functions, and 2 coefficients (if not equal to 1)

Definition at line 152 of file TF1NormSum.cxx.

◆ TF1NormSum() [4/6]

TF1NormSum::TF1NormSum	(	TF1 *	function1,
		TF1 *	function2,
		TF1 *	function3,
		Double_t	coeff1 = `1.`,
		Double_t	coeff2 = `1.`,
		Double_t	coeff3 = `1.`,
		Double_t	scale = `1.`
	)

TF1NormSum constructor taking 3 functions, and 3 coefficients (if not equal to 1)

Definition at line 166 of file TF1NormSum.cxx.

◆ TF1NormSum() [5/6]

TF1NormSum::TF1NormSum	(	const TString &	formula,
		Double_t	xmin,
		Double_t	xmax
	)

TF1NormSum constructor taking any addition of formulas with coefficient or not.

example 1 : 2.*expo + gauss + 0.5* gauss
example 2 : expo + 0.3*f1 if f1 is defined in the list of functions

Definition at line 183 of file TF1NormSum.cxx.

◆ TF1NormSum() [6/6]

TF1NormSum::TF1NormSum ( const TF1NormSum & nsum )

Copy constructor (necessary to hold unique_ptr as member variable)

Definition at line 256 of file TF1NormSum.cxx.

◆ ~TF1NormSum()

virtual TF1NormSum::~TF1NormSum ( )

inlinevirtual

Definition at line 47 of file TF1NormSum.h.

Member Function Documentation

◆ Copy()

void TF1NormSum::Copy ( TObject & object ) const

virtual

Copy this to obj.

Implements TF1AbsComposition.

Definition at line 411 of file TF1NormSum.cxx.

◆ GetNpar()

Int_t TF1NormSum::GetNpar ( ) const

Return the number of (non constant) parameters including the coefficients: for 2 functions: c1,c2,p0,p1,p2,p3...

Definition at line 363 of file TF1NormSum.cxx.

◆ GetParameters()

std::vector< double > TF1NormSum::GetParameters ( ) const

Return array of parameters.

Definition at line 291 of file TF1NormSum.cxx.

◆ GetParName()

const char * TF1NormSum::GetParName ( Int_t ipar ) const

inline

Definition at line 66 of file TF1NormSum.h.

◆ GetRange()

void TF1NormSum::GetRange	(	Double_t &	a,
		Double_t &	b
	)		const

Definition at line 394 of file TF1NormSum.cxx.

◆ GetScale()

Double_t TF1NormSum::GetScale ( ) const

inline

Definition at line 64 of file TF1NormSum.h.

◆ GetXmax()

Double_t TF1NormSum::GetXmax ( ) const

inline

Definition at line 70 of file TF1NormSum.h.

◆ GetXmin()

Double_t TF1NormSum::GetXmin ( ) const

inline

Definition at line 68 of file TF1NormSum.h.

◆ InitializeDataMembers()

void TF1NormSum::InitializeDataMembers	(	const std::vector< TF1 * > &	functions,
		const std::vector< Double_t > &	coeffs,
		Double_t	scale
	)

protected

Definition at line 55 of file TF1NormSum.cxx.

◆ operator()()

double TF1NormSum::operator()	(	const Double_t *	x,
		const Double_t *	p
	)

virtual

Overload the parenthesis to add the functions.

Implements TF1AbsComposition.

Definition at line 274 of file TF1NormSum.cxx.

◆ operator=()

TF1NormSum & TF1NormSum::operator= ( const TF1NormSum & rhs )

Operator =.

Definition at line 264 of file TF1NormSum.cxx.

◆ SetParameters() [1/2]

void TF1NormSum::SetParameters ( const Double_t * params )

virtual

Initialize array of all parameters.

double *params must contains first an array of the coefficients, then an array of the parameters.

Implements TF1AbsComposition.

Definition at line 315 of file TF1NormSum.cxx.

◆ SetParameters() [2/2]

void TF1NormSum::SetParameters	(	Double_t	p0,
		Double_t	p1,
		Double_t	p2 = `0.`,
		Double_t	p3 = `0.`,
		Double_t	p4 = `0.`,
		Double_t	p5 = `0.`,
		Double_t	p6 = `0.`,
		Double_t	p7 = `0.`,
		Double_t	p8 = `0.`,
		Double_t	p9 = `0.`,
		Double_t	p10 = `0.`
	)

Initialize array of all parameters.

Overload the TF1::SetParameters() method. A maximum of 10 parameters must be used, with first the coefficients, then the parameters

Definition at line 352 of file TF1NormSum.cxx.

◆ SetRange()

void TF1NormSum::SetRange	(	Double_t	a,
		Double_t	b
	)

virtual

Implements TF1AbsComposition.

Definition at line 376 of file TF1NormSum.cxx.

◆ SetScale()

void TF1NormSum::SetScale ( Double_t scale )

inline

Definition at line 53 of file TF1NormSum.h.

◆ Update()

void TF1NormSum::Update ( )

virtual

Update the component functions of the normalized sum.

Implements TF1AbsComposition.

Definition at line 403 of file TF1NormSum.cxx.

Member Data Documentation

◆ fCoeffs

std::vector< Double_t > TF1NormSum::fCoeffs

protected

Vector of size afNOfFunctions containing coefficients in front of each function.

Definition at line 27 of file TF1NormSum.h.

◆ fCstIndexes

std::vector< Int_t > TF1NormSum::fCstIndexes

protected

Vector with size of fNOfFunctions containing the index of the constant parameter/ function (the removed ones)

Definition at line 28 of file TF1NormSum.h.

◆ fFunctions

std::vector<std::unique_ptr<TF1> > TF1NormSum::fFunctions

protected

Maximal bound of range of NormSum.

Vector of size fNOfFunctions containing TF1 functions

Definition at line 26 of file TF1NormSum.h.

◆ fNOfFunctions

unsigned int TF1NormSum::fNOfFunctions

protected

Number of functions to add.

Definition at line 22 of file TF1NormSum.h.

◆ fParNames

std::vector< TString > TF1NormSum::fParNames

protected

Parameter names.

Definition at line 29 of file TF1NormSum.h.

◆ fScale

Double_t TF1NormSum::fScale

protected

Fixed Scale parameter to normalize function (e.g. bin width)

Definition at line 23 of file TF1NormSum.h.

◆ fXmax

Double_t TF1NormSum::fXmax

protected

Minimal bound of range of NormSum.

Definition at line 25 of file TF1NormSum.h.

◆ fXmin

Double_t TF1NormSum::fXmin

protected

Definition at line 24 of file TF1NormSum.h.

Libraries for TF1NormSum:

[legend]

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

hist/hist/inc/TF1NormSum.h
hist/hist/src/TF1NormSum.cxx

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ TF1NormSum() [1/6]

◆ TF1NormSum() [2/6]

◆ TF1NormSum() [3/6]

◆ TF1NormSum() [4/6]

◆ TF1NormSum() [5/6]

◆ TF1NormSum() [6/6]

◆ ~TF1NormSum()

Member Function Documentation

◆ Copy()

◆ GetNpar()

◆ GetParameters()

◆ GetParName()

◆ GetRange()

◆ GetScale()

◆ GetXmax()

◆ GetXmin()

◆ InitializeDataMembers()

◆ operator()()

◆ operator=()

◆ SetParameters() [1/2]

◆ SetParameters() [2/2]

◆ SetRange()

◆ SetScale()

◆ Update()

Member Data Documentation

◆ fCoeffs

◆ fCstIndexes

◆ fFunctions

◆ fNOfFunctions

◆ fParNames

◆ fScale

◆ fXmax

◆ fXmin