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class RooAddGenContext: public RooAbsGenContext

RooAddGenContext is an efficient implementation of the generator context specific for RooAddPdf PDFs. The strategy of RooAddGenContext is to defer generation of each component to a dedicated generator context for that component and to randomly choose one of those context to generate an event, with a probability proportional to its associated coefficient

Function Members (Methods)

RooAddGenContext(const RooAddPdf& model, const RooArgSet& vars, const RooDataSet* prototype = 0, const RooArgSet* auxProto = 0, Bool_t _verbose = kFALSE)
RooAddGenContext(const RooAddModel& model, const RooArgSet& vars, const RooDataSet* prototype = 0, const RooArgSet* auxProto = 0, Bool_t _verbose = kFALSE)
voidTObject::AbstractMethod(const char* method) const
virtual voidTObject::AppendPad(Option_t* option = "")
virtual voidattach(const RooArgSet& params)
virtual voidRooAbsGenContext::attach(const RooArgSet& params)
virtual voidTObject::Browse(TBrowser* b)
static TClass*Class()
static TClass*RooAbsGenContext::Class()
virtual const char*TObject::ClassName() const
virtual voidTNamed::Clear(Option_t* option = "")
virtual voidTObject::Clear(Option_t* = "")
virtual TObject*TNamed::Clone(const char* newname = "") const
virtual TObject*TObject::Clone(const char* newname = "") const
virtual Int_tTNamed::Compare(const TObject* obj) const
virtual Int_tTObject::Compare(const TObject* obj) const
virtual voidTNamed::Copy(TObject& named) const
virtual voidTObject::Copy(TObject& object) const
virtual Int_tRooAbsGenContext::defaultPrintContents(Option_t* opt) const
virtual Int_tRooPrintable::defaultPrintContents(Option_t* opt) const
static ostream&RooPrintable::defaultPrintStream(ostream* os = 0)
virtual RooPrintable::StyleOptionRooAbsGenContext::defaultPrintStyle(Option_t* opt) const
virtual RooPrintable::StyleOptionRooPrintable::defaultPrintStyle(Option_t* opt) const
virtual voidTObject::Delete(Option_t* option = "")MENU
virtual Int_tTObject::DistancetoPrimitive(Int_t px, Int_t py)
virtual voidTObject::Draw(Option_t* option = "")
virtual voidTObject::DrawClass() constMENU
virtual TObject*TObject::DrawClone(Option_t* option = "") constMENU
virtual voidTObject::Dump() constMENU
virtual voidTObject::Error(const char* method, const char* msgfmt) const
virtual voidTObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual voidTObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual voidTObject::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual voidTObject::Fatal(const char* method, const char* msgfmt) const
virtual voidTNamed::FillBuffer(char*& buffer)
virtual TObject*TObject::FindObject(const char* name) const
virtual TObject*TObject::FindObject(const TObject* obj) const
RooDataSet*RooAbsGenContext::generate(Int_t nEvents = 0)
virtual Option_t*TObject::GetDrawOption() const
static Long_tTObject::GetDtorOnly()
virtual const char*TObject::GetIconName() const
virtual const char*TNamed::GetName() const
virtual const char*TObject::GetName() const
virtual char*TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_tTObject::GetObjectStat()
virtual Option_t*TObject::GetOption() const
virtual const char*TNamed::GetTitle() const
virtual const char*TObject::GetTitle() const
virtual UInt_tTObject::GetUniqueID() const
virtual Bool_tTObject::HandleTimer(TTimer* timer)
virtual ULong_tTNamed::Hash() const
virtual ULong_tTObject::Hash() const
virtual voidTObject::Info(const char* method, const char* msgfmt) const
virtual Bool_tTObject::InheritsFrom(const char* classname) const
virtual Bool_tTObject::InheritsFrom(const TClass* cl) const
virtual voidTObject::Inspect() constMENU
voidTObject::InvertBit(UInt_t f)
virtual TClass*IsA() const
virtual TClass*RooAbsGenContext::IsA() const
virtual TClass*RooPrintable::IsA() const
virtual TClass*TNamed::IsA() const
virtual TClass*TObject::IsA() const
virtual Bool_tTObject::IsEqual(const TObject* obj) const
virtual Bool_tTObject::IsFolder() const
Bool_tTObject::IsOnHeap() const
virtual Bool_tTNamed::IsSortable() const
virtual Bool_tTObject::IsSortable() const
Bool_tRooAbsGenContext::isValid() const
Bool_tRooAbsGenContext::isVerbose() const
Bool_tTObject::IsZombie() const
virtual voidTNamed::ls(Option_t* option = "") const
virtual voidTObject::ls(Option_t* option = "") const
voidTObject::MayNotUse(const char* method) const
static voidRooPrintable::nameFieldLength(Int_t newLen)
virtual Bool_tTObject::Notify()
static voidTObject::operator delete(void* ptr)
static voidTObject::operator delete(void* ptr, void* vp)
static voidTObject::operator delete[](void* ptr)
static voidTObject::operator delete[](void* ptr, void* vp)
void*TObject::operator new(size_t sz)
void*TObject::operator new(size_t sz, void* vp)
void*TObject::operator new[](size_t sz)
void*TObject::operator new[](size_t sz, void* vp)
RooPrintable&RooPrintable::operator=(const RooPrintable&)
TNamed&TNamed::operator=(const TNamed& rhs)
TObject&TObject::operator=(const TObject& rhs)
virtual voidTObject::Paint(Option_t* option = "")
virtual voidTObject::Pop()
virtual voidRooAbsGenContext::Print(Option_t* options = 0) const
virtual voidTNamed::Print(Option_t* option = "") const
virtual voidTObject::Print(Option_t* option = "") const
virtual voidRooPrintable::printAddress(ostream& os) const
virtual voidRooAbsGenContext::printArgs(ostream& os) const
virtual voidRooPrintable::printArgs(ostream& os) const
virtual voidRooAbsGenContext::printClassName(ostream& os) const
virtual voidRooPrintable::printClassName(ostream& os) const
virtual voidRooPrintable::printExtras(ostream& os) const
virtual voidprintMultiline(ostream& os, Int_t content, Bool_t verbose = kFALSE, TString indent = "") const
virtual voidRooAbsGenContext::printMultiline(ostream& os, Int_t contents, Bool_t verbose = kFALSE, TString indent = "") const
virtual voidRooPrintable::printMultiline(ostream& os, Int_t contents, Bool_t verbose = kFALSE, TString indent = "") const
virtual voidRooAbsGenContext::printName(ostream& os) const
virtual voidRooPrintable::printName(ostream& os) const
virtual voidRooPrintable::printStream(ostream& os, Int_t contents, RooPrintable::StyleOption style, TString indent = "") const
virtual voidRooAbsGenContext::printTitle(ostream& os) const
virtual voidRooPrintable::printTree(ostream& os, TString indent = "") const
virtual voidRooPrintable::printValue(ostream& os) const
virtual Int_tTObject::Read(const char* name)
virtual voidTObject::RecursiveRemove(TObject* obj)
voidTObject::ResetBit(UInt_t f)
virtual voidTObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU
virtual voidTObject::SavePrimitive(basic_ostream<char,char_traits<char> >& out, Option_t* option = "")
voidTObject::SetBit(UInt_t f)
voidTObject::SetBit(UInt_t f, Bool_t set)
virtual voidTObject::SetDrawOption(Option_t* option = "")MENU
static voidTObject::SetDtorOnly(void* obj)
virtual voidTNamed::SetName(const char* name)MENU
virtual voidTNamed::SetNameTitle(const char* name, const char* title)
static voidTObject::SetObjectStat(Bool_t stat)
virtual voidsetProtoDataOrder(Int_t* lut)
virtual voidRooAbsGenContext::setProtoDataOrder(Int_t* lut)
virtual voidTNamed::SetTitle(const char* title = "")MENU
virtual voidTObject::SetUniqueID(UInt_t uid)
voidRooAbsGenContext::setVerbose(Bool_t verbose = kTRUE)
virtual voidShowMembers(TMemberInspector& insp, char* parent)
virtual voidRooAbsGenContext::ShowMembers(TMemberInspector& insp, char* parent)
virtual voidRooPrintable::ShowMembers(TMemberInspector& insp, char* parent)
virtual voidTNamed::ShowMembers(TMemberInspector& insp, char* parent)
virtual voidTObject::ShowMembers(TMemberInspector& insp, char* parent)
virtual Int_tTNamed::Sizeof() const
virtual voidStreamer(TBuffer& b)
virtual voidRooAbsGenContext::Streamer(TBuffer& b)
virtual voidRooPrintable::Streamer(TBuffer& b)
virtual voidTNamed::Streamer(TBuffer& b)
virtual voidTObject::Streamer(TBuffer& b)
voidStreamerNVirtual(TBuffer& b)
voidRooAbsGenContext::StreamerNVirtual(TBuffer& b)
virtual voidTObject::SysError(const char* method, const char* msgfmt) const
Bool_tTObject::TestBit(UInt_t f) const
Int_tTObject::TestBits(UInt_t f) const
virtual voidTObject::UseCurrentStyle()
virtual voidTObject::Warning(const char* method, const char* msgfmt) const
virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const
RooAddGenContext(const RooAddGenContext& other)
virtual voidTObject::DoError(int level, const char* location, const char* fmt, va_list va) const
virtual voidgenerateEvent(RooArgSet& theEvent, Int_t remaining)
virtual voidRooAbsGenContext::generateEvent(RooArgSet& theEvent, Int_t remaining)
virtual voidinitGenerator(const RooArgSet& theEvent)
voidRooAbsGenContext::resampleData(Double_t& ratio)

Data Members

Double_t*_coefThresh[_nComp] Array of coefficient thresholds
UInt_tRooAbsGenContext::_expectedEventsNumber of expected events from extended p.d.f
RooAbsPdf::ExtendModeRooAbsGenContext::_extendModeExtended mode capabilities of p.d.f.
TList_gcListList of component generator contexts
RooDataSet*RooAbsGenContext::_genData! Data being generated
Bool_t_isModelAre we generating from a RooAddPdf or a RooAddModel
Bool_tRooAbsGenContext::_isValidIs context in valid state?
Int_t_nCompNumber of PDF components
static Int_tRooPrintable::_nameLength
Int_tRooAbsGenContext::_nextProtoIndexNext prototype event to load according to LUT
RooAbsPdf*_pdfPointer to cloned p.d.f
RooArgSet*_pdfSetSet owned all nodes of internal clone of p.d.f
Int_t*RooAbsGenContext::_protoOrderLUT with traversal order of prototype data
RooArgSetRooAbsGenContext::_protoVarsPrototype observables
const RooDataSet*RooAbsGenContext::_prototypePointer to prototype dataset
RooArgSet*RooAbsGenContext::_theEventPointer to observable event being generated
const RooArgSet*_vars
Bool_tRooAbsGenContext::_verboseVerbose messaging?
TStringTNamed::fNameobject identifier
TStringTNamed::fTitleobject title

Class Charts

Inheritance Inherited Members Includes Libraries
Class Charts

Function documentation

RooAddGenContext(const RooAddPdf &model, const RooArgSet &vars, const RooDataSet *prototype, const RooArgSet* auxProto, Bool_t verbose)
RooAddGenContext(const RooAddModel &model, const RooArgSet &vars, const RooDataSet *prototype, const RooArgSet* auxProto, Bool_t verbose)
 Destructor. Delete all owned subgenerator contexts
void attach(const RooArgSet& params)
 Attach given set of variables to internal p.d.f. clone
void initGenerator(const RooArgSet& theEvent)
 One-time initialization of generator contex. Attach theEvent
 to internal p.d.f clone and forward initialization call to
 the component generators
void generateEvent(RooArgSet& theEvent, Int_t remaining)
 Randomly choose one of the component contexts to generate this event,
 with a probability proportional to its coefficient
void updateThresholds()
 Update the cumulative threshold table from the current coefficient
void setProtoDataOrder(Int_t* lut)
 Forward the setProtoDataOrder call to the component generator contexts
void printMultiline(ostream& os, Int_t content, Bool_t verbose = kFALSE, TString indent = "") const
 Print the details of the context
RooAddGenContext(const RooAddPdf &model, const RooArgSet &vars, const RooDataSet *prototype= 0, const RooArgSet* auxProto=0, Bool_t _verbose= kFALSE)