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// @(#)root/hist:$Id: TLimitDataSource.h 20882 2007-11-19 11:31:26Z rdm $
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// Author: Christophe.Delaere@cern.ch 21/08/2002
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#ifndef ROOT_TLimitDataSource
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#define ROOT_TLimitDataSource
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#ifndef ROOT_TObjArray
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#include "TObjArray.h"
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#endif
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#include "TVectorDfwd.h"
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class TH1;
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//_______________________________________________________________________
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//
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// TLimitDataSource
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//
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// This class serves as input for the TLimit::ComputeLimit method.
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// It takes the signal, background and data histograms to form a channel.
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// More channels can be added using AddChannel(), as well as different
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// systematics sources.
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//_______________________________________________________________________
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class TLimitDataSource : public TObject{
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public:
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TLimitDataSource();
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virtual ~TLimitDataSource() {}
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TLimitDataSource(TH1* s,TH1* b,TH1* d);
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TLimitDataSource(TH1* s,TH1* b,TH1* d, TVectorD* es,TVectorD* eb,TObjArray* names);
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virtual void AddChannel(TH1*,TH1*,TH1*);
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virtual void AddChannel(TH1*,TH1*,TH1*,TVectorD*, TVectorD*, TObjArray*);
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inline virtual TObjArray* GetSignal() { return &fSignal;}
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inline virtual TObjArray* GetBackground() { return &fBackground;}
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inline virtual TObjArray* GetCandidates() { return &fCandidates;}
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inline virtual TObjArray* GetErrorOnSignal() { return &fErrorOnSignal;}
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inline virtual TObjArray* GetErrorOnBackground() { return &fErrorOnBackground;}
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inline virtual TObjArray* GetErrorNames() { return &fIds;}
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virtual void SetOwner(bool swtch=kTRUE);
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private:
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// The arrays used to store the packed inputs
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TObjArray fSignal; //packed input signal
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TObjArray fBackground; //packed input background
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TObjArray fCandidates; //packed input candidates (data)
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TObjArray fErrorOnSignal; //packed error sources for signal
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TObjArray fErrorOnBackground; //packed error sources for background
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TObjArray fIds; //packed IDs for the different error sources
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// some dummy objects that the class will use and delete
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TObjArray fDummyTA; //array of dummy object (used for bookeeping)
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TObjArray fDummyIds; //array of dummy object (used for bookeeping)
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ClassDef(TLimitDataSource, 2 ) // input for TLimit routines
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};
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#endif
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