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// @(#)root/hist:$Id: TLimitDataSource.cxx 20882 2007-11-19 11:31:26Z rdm $
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// Author: Christophe.Delaere@cern.ch 21/08/2002
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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 interface to feed data into the TLimit routines
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//
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///////////////////////////////////////////////////////////////////////////
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#include "TLimitDataSource.h"
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#include "TH1.h"
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#include "TVectorD.h"
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#include "TObjString.h"
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#include "TRandom3.h"
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ClassImp(TLimitDataSource)
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TLimitDataSource::TLimitDataSource()
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{
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// Default constructor
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fDummyTA.SetOwner();
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fDummyIds.SetOwner();
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}
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TLimitDataSource::TLimitDataSource(TH1 * s, TH1 * b, TH1 * d)
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{
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// Another constructor, directly adds one channel
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// with signal, background and data given as input.
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fDummyTA.SetOwner();
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fDummyIds.SetOwner();
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AddChannel(s, b, d);
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}
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TLimitDataSource::TLimitDataSource(TH1 * s, TH1 * b, TH1 * d,
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TVectorD * es, TVectorD * eb, TObjArray * names)
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{
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// Another constructor, directly adds one channel
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// with signal, background and data given as input.
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fDummyTA.SetOwner();
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fDummyIds.SetOwner();
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AddChannel(s, b, d, es, eb, names);
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}
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void TLimitDataSource::AddChannel(TH1 * s, TH1 * b, TH1 * d)
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{
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// Adds a channel with signal, background and data given as input.
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TVectorD *empty;
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TRandom3 generator;
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fSignal.AddLast(s);
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fBackground.AddLast(b);
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fCandidates.AddLast(d);
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char rndname[20];
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sprintf(rndname, "rndname%f", generator.Rndm());
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empty = new TVectorD(1);
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fErrorOnSignal.AddLast(empty);
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fDummyTA.AddLast(empty);
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sprintf(rndname, "rndname%f", generator.Rndm());
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empty = new TVectorD(1);
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fErrorOnBackground.AddLast(empty);
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fDummyTA.AddLast(empty);
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TObjArray *dummy = new TObjArray(0);
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fIds.AddLast(dummy);
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fDummyIds.AddLast(dummy);
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}
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void TLimitDataSource::AddChannel(TH1 * s, TH1 * b, TH1 * d, TVectorD * es,
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TVectorD * eb, TObjArray * names)
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{
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// Adds a channel with signal, background and data given as input.
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// In addition, error sources are defined.
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// TH1 are here used for convenience: each bin has to be seen as
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// an error source (relative).
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// names is an array of strings containing the names of the sources.
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// Sources with the same name are correlated.
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fSignal.AddLast(s);
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fBackground.AddLast(b);
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fCandidates.AddLast(d);
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fErrorOnSignal.AddLast(es);
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fErrorOnBackground.AddLast(eb);
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fIds.AddLast(names);
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}
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void TLimitDataSource::SetOwner(bool swtch)
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{
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// Gives to the TLimitDataSource the ownership of the various objects
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// given as input.
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// Objects are then deleted by the TLimitDataSource destructor.
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fSignal.SetOwner(swtch);
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fBackground.SetOwner(swtch);
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fCandidates.SetOwner(swtch);
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fErrorOnSignal.SetOwner(swtch);
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fErrorOnBackground.SetOwner(swtch);
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fIds.SetOwner(swtch);
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fDummyTA.SetOwner(!swtch);
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fDummyIds.SetOwner(!swtch);
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}
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