Class RooAbsNumGenerator is the abstract base class for MC event generator implementations like RooAcceptReject and RooFoam.

Definition at line 30 of file RooAbsNumGenerator.h.

Public Member Functions
	RooAbsNumGenerator ()

	RooAbsNumGenerator (const RooAbsReal &func, const RooArgSet &genVars, bool verbose=false, const RooAbsReal *maxFuncVal=nullptr)
	Initialize an accept-reject generator for the specified distribution function, which must be non-negative but does not need to be normalized over the variables to be generated, genVars. More...

	~RooAbsNumGenerator () override
	Destructor. More...

void	attachParameters (const RooArgSet &vars)
	Reattach original parameters to function clone. More...

virtual bool	canSampleCategories () const

virtual bool	canSampleConditional () const

virtual RooAbsNumGenerator *	clone (const RooAbsReal &, const RooArgSet &genVars, const RooArgSet &condVars, const RooNumGenConfig &config, bool verbose=false, const RooAbsReal *maxFuncVal=nullptr) const =0

virtual const RooArgSet *	generateEvent (UInt_t remaining, double &resampleRatio)=0

virtual double	getFuncMax ()

TClass *	IsA () const override

bool	isValid () const

bool	isVerbose () const

void	Print (Option_t *options=nullptr) const override
	Print TNamed name and title. More...

void	printArgs (std::ostream &os) const override
	Print the arguments of the generator. More...

void	printClassName (std::ostream &os) const override
	Print the class name of the generator. More...

void	printName (std::ostream &os) const override
	Print name of the generator. More...

void	printTitle (std::ostream &os) const override
	Print the title of the generator. More...

void	setVerbose (bool verbose=true)

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

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. More...

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

virtual	~TNamed ()
	TNamed destructor. More...

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

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

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

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

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

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

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

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

TClass *	IsA () const override

Bool_t	IsSortable () const override

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

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

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

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

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

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

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

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

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

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

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

virtual	~TObject ()
	TObject destructor. 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...

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...

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. More...

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

virtual void	Clear (Option_t *="")

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 abstract method. More...

virtual void	Copy (TObject &object) const
	Copy this to obj. 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 selected pad for instance with: `gROOT->SetSelectedPad(gPad)`. More...

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

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

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. More...

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=nullptr)
	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 void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message. 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 const char *	GetIconName () const
	Returns mime type name of object. More...

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

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

virtual Option_t *	GetOption () const

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

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

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

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

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. More...

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

void	InvertBit (UInt_t f)

virtual TClass *	IsA () const

Bool_t	IsDestructed () const
	IsDestructed. More...

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

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

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. 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...

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

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

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

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

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

void	ResetBit (UInt_t f)

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...

void	SetBit (UInt_t f)

void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f. 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	Streamer (TBuffer &)
	Stream an object of class TObject. More...

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

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

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. More...

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

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

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

Public Member Functions inherited from RooPrintable
	RooPrintable ()

virtual	~RooPrintable ()

virtual Int_t	defaultPrintContents (Option_t *opt) const
	Default choice of contents to be printed (name and value) More...

virtual StyleOption	defaultPrintStyle (Option_t *opt) const

virtual TClass *	IsA () const

virtual void	printAddress (std::ostream &os) const
	Print class name of object. More...

virtual void	printArgs (std::ostream &os) const
	Interface for printing of object arguments. More...

virtual void	printClassName (std::ostream &os) const
	Print class name of object. More...

virtual void	printExtras (std::ostream &os) const
	Interface to print extras of object. More...

virtual void	printMultiline (std::ostream &os, Int_t contents, bool verbose=false, TString indent="") const
	Interface for detailed printing of object. More...

virtual void	printName (std::ostream &os) const
	Print name of object. More...

virtual void	printStream (std::ostream &os, Int_t contents, StyleOption style, TString indent="") const
	Print description of object on ostream, printing contents set by contents integer, which is interpreted as an OR of 'enum ContentsOptions' values and in the style given by 'enum StyleOption'. More...

virtual void	printTitle (std::ostream &os) const
	Print title of object. More...

virtual void	printTree (std::ostream &os, TString indent="") const
	Interface for tree structure printing of object. More...

virtual void	printValue (std::ostream &os) const
	Interface to print value of object. More...

virtual void	Streamer (TBuffer &)

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static Version_t	Class_Version ()

static const char *	DeclFileName ()

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

static const char *	Class_Name ()

static Version_t	Class_Version ()

static const char *	DeclFileName ()

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

static const char *	Class_Name ()

static Version_t	Class_Version ()

static const char *	DeclFileName ()

static Longptr_t	GetDtorOnly ()
	Return destructor only flag. More...

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

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

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

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

static const char *	Class_Name ()

static Version_t	Class_Version ()

static const char *	DeclFileName ()

static std::ostream &	defaultPrintStream (std::ostream *os=nullptr)
	Return a reference to the current default stream to use in Print(). More...

static void	nameFieldLength (Int_t newLen)
	Set length of field reserved from printing name of RooAbsArgs in multi-line collection printing to given amount. More...

Protected Attributes
RooDataSet *	_cache
	Dataset holding generared values of observables. More...

RooArgSet	_catVars

RooArgSet *	_cloneSet
	Set owning clone of input function. More...

RooAbsReal *	_funcClone
	Pointer to top level node of cloned function. More...

const RooAbsReal *	_funcMaxVal
	Container for maximum function value. More...

RooRealVar *	_funcValPtr
	RRVs storing function value in context and in output dataset. More...

RooRealVar *	_funcValStore

bool	_isValid
	Verbose and valid flag. More...

RooArgSet	_realVars
	Sets of discrete and real valued observabeles. More...

bool	_verbose

Protected Attributes inherited from TNamed
TString	fName

TString	fTitle

Additional Inherited Members
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 Types inherited from RooPrintable
enum	ContentsOption { kName =1 , kClassName =2 , kValue =4 , kArgs =8 , kExtras =16 , kAddress =32 , kTitle =64 , kCollectionHeader =128 }

enum	StyleOption { kInline =1 , kSingleLine =2 , kStandard =3 , kVerbose =4 , kTreeStructure =5 }

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

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). More...

void	MakeZombie ()

Static Protected Attributes inherited from RooPrintable
static Int_t	_nameLength

#include <RooAbsNumGenerator.h>

Inheritance diagram for RooAbsNumGenerator:

[legend]

Constructor & Destructor Documentation

◆ RooAbsNumGenerator() [1/2]

RooAbsNumGenerator::RooAbsNumGenerator ( )

inline

Definition at line 32 of file RooAbsNumGenerator.h.

◆ RooAbsNumGenerator() [2/2]

RooAbsNumGenerator::RooAbsNumGenerator	(	const RooAbsReal &	func,
		const RooArgSet &	genVars,
		bool	verbose = `false`,
		const RooAbsReal *	maxFuncVal = `nullptr`
	)

Initialize an accept-reject generator for the specified distribution function, which must be non-negative but does not need to be normalized over the variables to be generated, genVars.

The function and its dependents are cloned and so will not be disturbed during the generation process.

Definition at line 53 of file RooAbsNumGenerator.cxx.

◆ ~RooAbsNumGenerator()

RooAbsNumGenerator::~RooAbsNumGenerator ( )

override

Destructor.

Definition at line 148 of file RooAbsNumGenerator.cxx.

Member Function Documentation

◆ attachParameters()

void RooAbsNumGenerator::attachParameters ( const RooArgSet & vars )

Reattach original parameters to function clone.

Definition at line 160 of file RooAbsNumGenerator.cxx.

◆ canSampleCategories()

virtual bool RooAbsNumGenerator::canSampleCategories ( ) const

inlinevirtual

Reimplemented in RooAcceptReject, and RooFoamGenerator.

Definition at line 68 of file RooAbsNumGenerator.h.

◆ canSampleConditional()

virtual bool RooAbsNumGenerator::canSampleConditional ( ) const

inlinevirtual

Reimplemented in RooAcceptReject, and RooFoamGenerator.

Definition at line 69 of file RooAbsNumGenerator.h.

◆ Class()

static TClass * RooAbsNumGenerator::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * RooAbsNumGenerator::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static Version_t RooAbsNumGenerator::Class_Version ( )

inlinestatic

Returns: Version of this class

Definition at line 82 of file RooAbsNumGenerator.h.

◆ clone()

virtual RooAbsNumGenerator * RooAbsNumGenerator::clone	(	const RooAbsReal &	,
		const RooArgSet &	genVars,
		const RooArgSet &	condVars,
		const RooNumGenConfig &	config,
		bool	verbose = `false`,
		const RooAbsReal *	maxFuncVal = `nullptr`
	)		const

pure virtual

Implemented in RooAcceptReject, and RooFoamGenerator.

◆ DeclFileName()

static const char * RooAbsNumGenerator::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 82 of file RooAbsNumGenerator.h.

◆ generateEvent()

virtual const RooArgSet * RooAbsNumGenerator::generateEvent	(	UInt_t	remaining,
		double &	resampleRatio
	)

pure virtual

Implemented in RooAcceptReject, and RooFoamGenerator.

◆ getFuncMax()

virtual double RooAbsNumGenerator::getFuncMax ( )

inlinevirtual

Reimplemented in RooAcceptReject.

Definition at line 53 of file RooAbsNumGenerator.h.

◆ IsA()

TClass * RooAbsNumGenerator::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TNamed.

Reimplemented in RooAcceptReject, and RooFoamGenerator.

Definition at line 82 of file RooAbsNumGenerator.h.

◆ isValid()

bool RooAbsNumGenerator::isValid ( ) const

inline

Definition at line 37 of file RooAbsNumGenerator.h.

◆ isVerbose()

bool RooAbsNumGenerator::isVerbose ( ) const

inline

Definition at line 47 of file RooAbsNumGenerator.h.

◆ Print()

void RooAbsNumGenerator::Print ( Option_t * option = nullptr ) const

inlineoverridevirtual

Print TNamed name and title.

Reimplemented from TNamed.

Definition at line 55 of file RooAbsNumGenerator.h.

◆ printArgs()

void RooAbsNumGenerator::printArgs ( std::ostream & os ) const

overridevirtual

Print the arguments of the generator.

Reimplemented from RooPrintable.

Definition at line 204 of file RooAbsNumGenerator.cxx.

◆ printClassName()

void RooAbsNumGenerator::printClassName ( std::ostream & os ) const

overridevirtual

Print the class name of the generator.

Reimplemented from RooPrintable.

Definition at line 194 of file RooAbsNumGenerator.cxx.

◆ printName()

void RooAbsNumGenerator::printName ( std::ostream & os ) const

overridevirtual

Print name of the generator.

Reimplemented from RooPrintable.

Definition at line 174 of file RooAbsNumGenerator.cxx.

◆ printTitle()

void RooAbsNumGenerator::printTitle ( std::ostream & os ) const

overridevirtual

Print the title of the generator.

Reimplemented from RooPrintable.

Definition at line 184 of file RooAbsNumGenerator.cxx.

◆ setVerbose()

void RooAbsNumGenerator::setVerbose ( bool verbose = true )

inline

Definition at line 43 of file RooAbsNumGenerator.h.

◆ Streamer()

void RooAbsNumGenerator::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TNamed.

Reimplemented in RooAcceptReject, and RooFoamGenerator.

◆ StreamerNVirtual()

void RooAbsNumGenerator::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 82 of file RooAbsNumGenerator.h.

Member Data Documentation

◆ _cache

RooDataSet* RooAbsNumGenerator::_cache

protected

Dataset holding generared values of observables.

Definition at line 80 of file RooAbsNumGenerator.h.

◆ _catVars

RooArgSet RooAbsNumGenerator::_catVars

protected

Definition at line 76 of file RooAbsNumGenerator.h.

◆ _cloneSet

RooArgSet* RooAbsNumGenerator::_cloneSet

protected

Set owning clone of input function.

Definition at line 73 of file RooAbsNumGenerator.h.

◆ _funcClone

RooAbsReal* RooAbsNumGenerator::_funcClone

protected

Pointer to top level node of cloned function.

Definition at line 74 of file RooAbsNumGenerator.h.

◆ _funcMaxVal

const RooAbsReal* RooAbsNumGenerator::_funcMaxVal

protected

Container for maximum function value.

Definition at line 75 of file RooAbsNumGenerator.h.

◆ _funcValPtr

RooRealVar * RooAbsNumGenerator::_funcValPtr

protected

RRVs storing function value in context and in output dataset.

Definition at line 78 of file RooAbsNumGenerator.h.

◆ _funcValStore

RooRealVar* RooAbsNumGenerator::_funcValStore

protected

Definition at line 78 of file RooAbsNumGenerator.h.

◆ _isValid

bool RooAbsNumGenerator::_isValid

protected

Verbose and valid flag.

Definition at line 77 of file RooAbsNumGenerator.h.

◆ _realVars

RooArgSet RooAbsNumGenerator::_realVars

protected

Sets of discrete and real valued observabeles.

Definition at line 76 of file RooAbsNumGenerator.h.

◆ _verbose

bool RooAbsNumGenerator::_verbose

protected

Definition at line 77 of file RooAbsNumGenerator.h.

Libraries for RooAbsNumGenerator:

[legend]

Public Member Functions

Static Public Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ RooAbsNumGenerator() [1/2]

◆ RooAbsNumGenerator() [2/2]

◆ ~RooAbsNumGenerator()

Member Function Documentation

◆ attachParameters()

◆ canSampleCategories()

◆ canSampleConditional()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ clone()

◆ DeclFileName()

◆ generateEvent()

◆ getFuncMax()

◆ IsA()

◆ isValid()

◆ isVerbose()

◆ Print()

◆ printArgs()

◆ printClassName()

◆ printName()

◆ printTitle()

◆ setVerbose()

◆ Streamer()

◆ StreamerNVirtual()

Member Data Documentation

◆ _cache

◆ _catVars

◆ _cloneSet

◆ _funcClone

◆ _funcMaxVal

◆ _funcValPtr

◆ _funcValStore

◆ _isValid

◆ _realVars

◆ _verbose