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 (const RooAbsFunc &function) | |
Constructor with function binding. | |
RooImproperIntegrator1D (const RooAbsFunc &function, const RooNumIntConfig &config) | |
Constructor with function binding and configuration object. | |
RooImproperIntegrator1D (const RooAbsFunc &function, double xmin, double xmax, const RooNumIntConfig &config) | |
Constructor with function binding, definition of integration range and configuration object. | |
bool | checkLimits () const override |
Check if the limits are valid. | |
double | integral (const double *yvec=nullptr) override |
Calculate the integral at the given parameter values of the function binding. | |
TClass * | IsA () const override |
virtual bool | setLimits (double *, double *) |
bool | setLimits (double *xmin, double *xmax) override |
Change our integration limits. | |
virtual bool | setLimits (double xmin, double xmax) |
Interface to set limits on integration. | |
bool | setUseIntegrandLimits (bool flag) override |
Interface function that allows to defer limit definition to integrand definition. | |
void | Streamer (TBuffer &) override |
Stream an object of class TObject. | |
void | StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b) |
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RooAbsIntegrator () | |
RooAbsIntegrator (const RooAbsFunc &function, bool printEvalCounter=false) | |
Copy constructor. | |
double | calculate (const double *yvec=nullptr) |
Calculate integral value with given array of parameter values. | |
const RooAbsFunc * | integrand () const |
Return integrand function binding. | |
double | integrand (const double x[]) const |
Return value of integrand at given observable values. | |
bool | isValid () const |
Is integrator in valid state. | |
bool | printEvalCounter () const |
void | setPrintEvalCounter (bool value) |
void | StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b) |
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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 | Copy (TObject &object) const |
Copy this to obj. | |
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 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) |
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 |
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 (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 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. | |
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 () |
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static TClass * | Class () |
static const char * | Class_Name () |
static constexpr Version_t | Class_Version () |
static const char * | DeclFileName () |
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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 Types | |
enum | LimitsCase { Invalid , ClosedBothEnds , OpenBothEnds , OpenBelowSpansZero , OpenBelow , OpenAboveSpansZero , OpenAbove } |
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enum | { kOnlyPrepStep = (1ULL << ( 3 )) } |
Protected Member Functions | |
void | initialize (const RooAbsFunc *function=nullptr) |
Initialize the integrator, construct and initialize subintegrators. | |
LimitsCase | limitsCase () const |
Classify the type of limits we have: OpenBothEnds,ClosedBothEnds,OpenBelow or OpenAbove. | |
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virtual void | DoError (int level, const char *location, const char *fmt, va_list va) const |
Interface to ErrorHandler (protected). | |
void | MakeZombie () |
Static Protected Member Functions | |
static void | registerIntegrator (RooNumIntFactory &fact) |
Register RooImproperIntegrator1D, its parameters and capabilities with RooNumIntFactory. | |
Protected Attributes | |
LimitsCase | _case |
Configuration of limits. | |
RooNumIntConfig | _config |
Configuration object. | |
std::unique_ptr< RooInvTransform > | _function |
Binding with inverse of function. | |
std::unique_ptr< RooRombergIntegrator > | _integrator1 |
Piece integrator 1. | |
std::unique_ptr< RooRombergIntegrator > | _integrator2 |
Piece integrator 2. | |
std::unique_ptr< RooRombergIntegrator > | _integrator3 |
Piece integrator 3. | |
RooAbsFunc * | _origFunc = nullptr |
Original function binding. | |
bool | _useIntegrandLimits |
Use limits in function binding? | |
double | _xmax |
Value of limits. | |
double | _xmin |
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const RooAbsFunc * | _function = nullptr |
Pointer to function binding of integrand. | |
bool | _printEvalCounter = false |
If true print number of function evaluation required for integration. | |
bool | _valid = false |
Is integrator in valid state? | |
Friends | |
class | RooNumIntFactory |
Additional Inherited Members | |
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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 )) } |
#include <RooImproperIntegrator1D.h>
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protected |
Enumerator | |
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Invalid | |
ClosedBothEnds | |
OpenBothEnds | |
OpenBelowSpansZero | |
OpenBelow | |
OpenAboveSpansZero | |
OpenAbove |
Definition at line 45 of file RooImproperIntegrator1D.h.
RooImproperIntegrator1D::RooImproperIntegrator1D | ( | const RooAbsFunc & | function | ) |
Constructor with function binding.
The integration range is taken from the definition in the function binding
Definition at line 66 of file RooImproperIntegrator1D.cxx.
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 80 of file RooImproperIntegrator1D.cxx.
RooImproperIntegrator1D::RooImproperIntegrator1D | ( | const RooAbsFunc & | function, |
double | xmin, | ||
double | xmax, | ||
const RooNumIntConfig & | config | ||
) |
Constructor with function binding, definition of integration range and configuration object.
Definition at line 94 of file RooImproperIntegrator1D.cxx.
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overridevirtual |
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 200 of file RooImproperIntegrator1D.cxx.
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static |
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inlinestaticconstexpr |
Definition at line 59 of file RooImproperIntegrator1D.h.
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inlinestatic |
Definition at line 59 of file RooImproperIntegrator1D.h.
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protected |
Initialize the integrator, construct and initialize subintegrators.
Definition at line 110 of file RooImproperIntegrator1D.cxx.
Calculate the integral at the given parameter values of the function binding.
Implements RooAbsIntegrator.
Definition at line 289 of file RooImproperIntegrator1D.cxx.
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inlineoverridevirtual |
Reimplemented from RooAbsIntegrator.
Definition at line 59 of file RooImproperIntegrator1D.h.
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protected |
Classify the type of limits we have: OpenBothEnds,ClosedBothEnds,OpenBelow or OpenAbove.
Definition at line 246 of file RooImproperIntegrator1D.cxx.
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staticprotected |
Register RooImproperIntegrator1D, its parameters and capabilities with RooNumIntFactory.
Definition at line 47 of file RooImproperIntegrator1D.cxx.
Reimplemented from RooAbsIntegrator.
Definition at line 53 of file RooAbsIntegrator.h.
Change our integration limits.
Return true if the new limits are ok, or otherwise false. Always returns false and does nothing if this object was constructed to always use our integrand's limits.
Reimplemented from RooAbsIntegrator.
Definition at line 181 of file RooImproperIntegrator1D.cxx.
Interface to set limits on integration.
Reimplemented from RooAbsIntegrator.
Definition at line 54 of file RooAbsIntegrator.cxx.
Interface function that allows to defer limit definition to integrand definition.
Reimplemented from RooAbsIntegrator.
Definition at line 35 of file RooImproperIntegrator1D.h.
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overridevirtual |
Stream an object of class TObject.
Reimplemented from RooAbsIntegrator.
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inline |
Definition at line 59 of file RooImproperIntegrator1D.h.
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friend |
Definition at line 40 of file RooImproperIntegrator1D.h.
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protected |
Configuration of limits.
Definition at line 48 of file RooImproperIntegrator1D.h.
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protected |
Configuration object.
Definition at line 54 of file RooImproperIntegrator1D.h.
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protected |
Binding with inverse of function.
Definition at line 53 of file RooImproperIntegrator1D.h.
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mutableprotected |
Piece integrator 1.
Definition at line 55 of file RooImproperIntegrator1D.h.
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mutableprotected |
Piece integrator 2.
Definition at line 56 of file RooImproperIntegrator1D.h.
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mutableprotected |
Piece integrator 3.
Definition at line 57 of file RooImproperIntegrator1D.h.
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protected |
Original function binding.
Definition at line 52 of file RooImproperIntegrator1D.h.
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protected |
Use limits in function binding?
Definition at line 50 of file RooImproperIntegrator1D.h.
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protected |
Value of limits.
Definition at line 49 of file RooImproperIntegrator1D.h.
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mutableprotected |
Definition at line 49 of file RooImproperIntegrator1D.h.