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root/cvsroot/UserCode/MitAna/DataTree/src/DecayParticle.cc

Comparing UserCode/MitAna/DataTree/src/DecayParticle.cc (file contents):
Revision 1.2 by loizides, Thu Jul 3 08:22:18 2008 UTC vs.
Revision 1.7 by loizides, Fri Mar 20 18:23:27 2009 UTC

#	Line 3 | Line 3
3		#include "MitAna/DataTree/interface/DecayParticle.h"
4
5		ClassImp(mithep::DecayParticle)
6	+
7	+	using namespace mithep;
8	+
9	+	//--------------------------------------------------------------------------------------------------
10	+	Bool_t DecayParticle::HasDaughter(const Particle *p) const
11	+	{
12	+	// Return true if given particle is among daughters.
13	+
14	+	if(!p) return kFALSE;
15	+
16	+	if (!NDaughters())
17	+	return kFALSE;
18	+
19	+	for (UInt_t i=0; i<NDaughters(); ++i)
20	+	if (Daughter(i)==p)
21	+	return kTRUE;
22	+
23	+	return kFALSE;
24	+	}
25	+
26	+	//--------------------------------------------------------------------------------------------------
27	+	Bool_t DecayParticle::HasCommonDaughter(const DecayParticle *p) const
28	+	{
29	+	// Return true if a common daughter exists.
30	+
31	+	if(!p) return kFALSE;
32	+
33	+	for (UInt_t i=0; i<p->NDaughters(); ++i)
34	+	if (HasDaughter(p->Daughter(i)))
35	+	return kTRUE;
36	+
37	+	return kFALSE;
38	+	}
39	+
40	+	//--------------------------------------------------------------------------------------------------
41	+	Bool_t DecayParticle::HasSameDaughters(const DecayParticle *p) const
42	+	{
43	+	// Return true if daughters are the same.
44	+
45	+	if(!p) return kFALSE;
46	+
47	+	if (NDaughters()!= p->NDaughters())
48	+	return kFALSE;
49	+
50	+	for (UInt_t i=0; i<p->NDaughters(); ++i)
51	+	if (!HasDaughter(p->Daughter(i)))
52	+	return kFALSE;
53	+
54	+	return kTRUE;
55	+	}
56	+
57	+	//--------------------------------------------------------------------------------------------------
58	+	Double_t DecayParticle::PdgMass() const
59	+	{
60	+	// Get mass from pdg lookup.
61	+
62	+	TParticlePDG *pdgEntry = ParticlePdgEntry();
63	+	if (pdgEntry)
64	+	return pdgEntry->Mass();
65	+	else {
66	+	Error("PdgMass",
67	+	"Absolute pdg code %i not found in table, returning mass=-99.0 GeV", fAbsPdgId);
68	+	return -99.0;
69	+	}
70	+	}

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