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Reference Guide
RooImproperIntegrator1D Class Reference

Special numeric integrator that can handle integrals over open domains.

To this end the range is cut in up three pieces: [-inf,-1],[-1,+1] and [+1,inf] and the outer two pieces, if required are calculated using a 1/x transform

Definition at line 25 of file RooImproperIntegrator1D.h.

Public Member Functions

 RooImproperIntegrator1D ()
 Default constructor. More...
 
 RooImproperIntegrator1D (const RooAbsFunc &function)
 Constructor with function binding. More...
 
 RooImproperIntegrator1D (const RooAbsFunc &function, const RooNumIntConfig &config)
 Constructor with function binding and configuration object. More...
 
 RooImproperIntegrator1D (const RooAbsFunc &function, Double_t xmin, Double_t xmax, const RooNumIntConfig &config)
 Constructor with function binding, definition of integration range and configuration object. More...
 
virtual ~RooImproperIntegrator1D ()
 Destructor. More...
 
virtual Bool_t canIntegrate1D () const
 
virtual Bool_t canIntegrate2D () const
 
virtual Bool_t canIntegrateND () const
 
virtual Bool_t canIntegrateOpenEnded () const
 
virtual Bool_t checkLimits () const
 Check if the limits are valid. More...
 
virtual RooAbsIntegratorclone (const RooAbsFunc &function, const RooNumIntConfig &config) const
 Return clone of integrator with given function and configuration. Needed by RooNumIntFactory. More...
 
virtual Double_t integral (const Double_t *yvec=0)
 Calculate the integral at the given parameter values of the function binding. More...
 
virtual Bool_t setLimits (Double_t xmin, Double_t xmax)
 Interface to set limits on integration. More...
 
virtual Bool_t setLimits (Double_t *, Double_t *)
 
Bool_t setLimits (Double_t *xmin, Double_t *xmax)
 Change our integration limits. More...
 
virtual Bool_t setUseIntegrandLimits (Bool_t flag)
 Interface function that allows to defer limit definition to integrand definition. More...
 
- Public Member Functions inherited from RooAbsIntegrator
 RooAbsIntegrator ()
 Default constructor. More...
 
 RooAbsIntegrator (const RooAbsFunc &function, Bool_t printEvalCounter=kFALSE)
 Copy constructor. More...
 
virtual ~RooAbsIntegrator ()
 
Double_t calculate (const Double_t *yvec=0)
 Calculate integral value with given array of parameter values. More...
 
Double_t integrand (const Double_t x[]) const
 
const RooAbsFuncintegrand () const
 
Bool_t isValid () const
 
Bool_t printEvalCounter () const
 
virtual Bool_t setLimits (Double_t xmin, Double_t xmax)
 Interface to set limits on integration. More...
 
void setPrintEvalCounter (Bool_t value)
 
- 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 TObjectClone (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 TObjectDrawClone (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=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 void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. More...
 
virtual TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
 
virtual Option_tGetDrawOption () 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_tGetOption () 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 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...
 
voidoperator new (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz)
 
voidoperator new[] (size_t sz, void *vp)
 
TObjectoperator= (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, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
void SetBit (UInt_t f)
 
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 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=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...
 

Protected Types

enum  LimitsCase {
  Invalid, ClosedBothEnds, OpenBothEnds, OpenBelowSpansZero,
  OpenBelow, OpenAboveSpansZero, OpenAbove
}
 

Protected Member Functions

void initialize (const RooAbsFunc *function=0)
 Initialize the integrator, construct and initialize subintegrators. More...
 
LimitsCase limitsCase () const
 Classify the type of limits we have: OpenBothEnds,ClosedBothEnds,OpenBelow or OpenAbove. More...
 
- 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 Member Functions

static void registerIntegrator (RooNumIntFactory &fact)
 Register RooImproperIntegrator1D, its parameters and capabilities with RooNumIntFactory. More...
 

Protected Attributes

LimitsCase _case
 
RooNumIntConfig _config
 
RooInvTransform_function
 
RooIntegrator1D_integrator1
 
RooIntegrator1D_integrator2
 
RooIntegrator1D_integrator3
 
RooAbsFunc_origFunc
 
Bool_t _useIntegrandLimits
 
Double_t _xmax
 
Double_t _xmin
 
- Protected Attributes inherited from RooAbsIntegrator
const RooAbsFunc_function
 
Bool_t _printEvalCounter
 
Bool_t _valid
 

Friends

class RooNumIntFactory
 

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. 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...
 

#include <RooImproperIntegrator1D.h>

Inheritance diagram for RooImproperIntegrator1D:
[legend]

Member Enumeration Documentation

◆ LimitsCase

Enumerator
Invalid 
ClosedBothEnds 
OpenBothEnds 
OpenBelowSpansZero 
OpenBelow 
OpenAboveSpansZero 
OpenAbove 

Definition at line 53 of file RooImproperIntegrator1D.h.

Constructor & Destructor Documentation

◆ RooImproperIntegrator1D() [1/4]

RooImproperIntegrator1D::RooImproperIntegrator1D ( )

Default constructor.

Definition at line 66 of file RooImproperIntegrator1D.cxx.

◆ RooImproperIntegrator1D() [2/4]

RooImproperIntegrator1D::RooImproperIntegrator1D ( const RooAbsFunc function)

Constructor with function binding.

The integration range is taken from the definition in the function binding

Definition at line 77 of file RooImproperIntegrator1D.cxx.

◆ RooImproperIntegrator1D() [3/4]

RooImproperIntegrator1D::RooImproperIntegrator1D ( const RooAbsFunc function,
const RooNumIntConfig config 
)

Constructor with function binding and configuration object.

The integration range is taken from the definition in the function binding

Definition at line 95 of file RooImproperIntegrator1D.cxx.

◆ RooImproperIntegrator1D() [4/4]

RooImproperIntegrator1D::RooImproperIntegrator1D ( const RooAbsFunc function,
Double_t  xmin,
Double_t  xmax,
const RooNumIntConfig config 
)

Constructor with function binding, definition of integration range and configuration object.

Definition at line 113 of file RooImproperIntegrator1D.cxx.

◆ ~RooImproperIntegrator1D()

RooImproperIntegrator1D::~RooImproperIntegrator1D ( )
virtual

Destructor.

Definition at line 211 of file RooImproperIntegrator1D.cxx.

Member Function Documentation

◆ canIntegrate1D()

virtual Bool_t RooImproperIntegrator1D::canIntegrate1D ( ) const
inlinevirtual

Implements RooAbsIntegrator.

Definition at line 41 of file RooImproperIntegrator1D.h.

◆ canIntegrate2D()

virtual Bool_t RooImproperIntegrator1D::canIntegrate2D ( ) const
inlinevirtual

Implements RooAbsIntegrator.

Definition at line 42 of file RooImproperIntegrator1D.h.

◆ canIntegrateND()

virtual Bool_t RooImproperIntegrator1D::canIntegrateND ( ) const
inlinevirtual

Implements RooAbsIntegrator.

Definition at line 43 of file RooImproperIntegrator1D.h.

◆ canIntegrateOpenEnded()

virtual Bool_t RooImproperIntegrator1D::canIntegrateOpenEnded ( ) const
inlinevirtual

Implements RooAbsIntegrator.

Definition at line 44 of file RooImproperIntegrator1D.h.

◆ checkLimits()

Bool_t RooImproperIntegrator1D::checkLimits ( ) const
virtual

Check if the limits are valid.

For this integrator all limit configurations are valid, but if the limits change between two calculate() calls it may be necessary to reconfigure (e.g. if an open ended range becomes a closed range

Reimplemented from RooAbsIntegrator.

Definition at line 244 of file RooImproperIntegrator1D.cxx.

◆ clone()

RooAbsIntegrator * RooImproperIntegrator1D::clone ( const RooAbsFunc function,
const RooNumIntConfig config 
) const
virtual

Return clone of integrator with given function and configuration. Needed by RooNumIntFactory.

Implements RooAbsIntegrator.

Definition at line 133 of file RooImproperIntegrator1D.cxx.

◆ initialize()

void RooImproperIntegrator1D::initialize ( const RooAbsFunc function = 0)
protected

Initialize the integrator, construct and initialize subintegrators.

Definition at line 143 of file RooImproperIntegrator1D.cxx.

◆ integral()

Double_t RooImproperIntegrator1D::integral ( const Double_t yvec = 0)
virtual

Calculate the integral at the given parameter values of the function binding.

Implements RooAbsIntegrator.

Definition at line 333 of file RooImproperIntegrator1D.cxx.

◆ limitsCase()

RooImproperIntegrator1D::LimitsCase RooImproperIntegrator1D::limitsCase ( ) const
protected

Classify the type of limits we have: OpenBothEnds,ClosedBothEnds,OpenBelow or OpenAbove.

Definition at line 290 of file RooImproperIntegrator1D.cxx.

◆ registerIntegrator()

void RooImproperIntegrator1D::registerIntegrator ( RooNumIntFactory fact)
staticprotected

Register RooImproperIntegrator1D, its parameters and capabilities with RooNumIntFactory.

Definition at line 55 of file RooImproperIntegrator1D.cxx.

◆ setLimits() [1/3]

virtual Bool_t RooAbsIntegrator::setLimits
inline

Definition at line 61 of file RooAbsIntegrator.h.

◆ setLimits() [2/3]

Bool_t RooAbsIntegrator::setLimits

Interface to set limits on integration.

Definition at line 81 of file RooAbsIntegrator.cxx.

◆ setLimits() [3/3]

Bool_t RooImproperIntegrator1D::setLimits ( Double_t xmin,
Double_t xmax 
)
virtual

Change our integration limits.

Return kTRUE if the new limits are ok, or otherwise kFALSE. Always returns kFALSE and does nothing if this object was constructed to always use our integrand's limits.

Reimplemented from RooAbsIntegrator.

Definition at line 225 of file RooImproperIntegrator1D.cxx.

◆ setUseIntegrandLimits()

virtual Bool_t RooImproperIntegrator1D::setUseIntegrandLimits ( Bool_t  flag)
inlinevirtual

Interface function that allows to defer limit definition to integrand definition.

Reimplemented from RooAbsIntegrator.

Definition at line 38 of file RooImproperIntegrator1D.h.

Friends And Related Function Documentation

◆ RooNumIntFactory

friend class RooNumIntFactory
friend

Definition at line 48 of file RooImproperIntegrator1D.h.

Member Data Documentation

◆ _case

LimitsCase RooImproperIntegrator1D::_case
protected

Definition at line 56 of file RooImproperIntegrator1D.h.

◆ _config

RooNumIntConfig RooImproperIntegrator1D::_config
protected

Definition at line 62 of file RooImproperIntegrator1D.h.

◆ _function

RooInvTransform* RooImproperIntegrator1D::_function
protected

Definition at line 61 of file RooImproperIntegrator1D.h.

◆ _integrator1

RooIntegrator1D* RooImproperIntegrator1D::_integrator1
mutableprotected

Definition at line 63 of file RooImproperIntegrator1D.h.

◆ _integrator2

RooIntegrator1D * RooImproperIntegrator1D::_integrator2
mutableprotected

Definition at line 63 of file RooImproperIntegrator1D.h.

◆ _integrator3

RooIntegrator1D * RooImproperIntegrator1D::_integrator3
mutableprotected

Definition at line 63 of file RooImproperIntegrator1D.h.

◆ _origFunc

RooAbsFunc* RooImproperIntegrator1D::_origFunc
protected

Definition at line 60 of file RooImproperIntegrator1D.h.

◆ _useIntegrandLimits

Bool_t RooImproperIntegrator1D::_useIntegrandLimits
protected

Definition at line 58 of file RooImproperIntegrator1D.h.

◆ _xmax

Double_t RooImproperIntegrator1D::_xmax
mutableprotected

Definition at line 57 of file RooImproperIntegrator1D.h.

◆ _xmin

Double_t RooImproperIntegrator1D::_xmin
mutableprotected

Definition at line 57 of file RooImproperIntegrator1D.h.

Libraries for RooImproperIntegrator1D:
[legend]

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