RootCore Packages: /cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/CPAnalysisExamples/CPAnalysisExamples/xExampleUtils.h Source File

00001 #ifndef XEXAMPLE_XEXAMPLEUTIL_H
00002 #define XEXAMPLE_XEXAMPLEUTIL_H
00003 
00004 // TruthParticle utilities for xExample
00005 // Use forward references for xAOD classes
00006 
00007 #include <vector>
00008 
00009 namespace xAOD{
00010   class TruthParticle_v1;
00011   typedef TruthParticle_v1 TruthParticle;
00012   class TruthVertex_v1;
00013   typedef TruthVertex_v1 TruthVertex;
00014 }
00015 
00016 // Long-lived B hadron (5x1,5xx2)
00017 bool isBHadron(const xAOD::TruthParticle* p);
00018 
00019 // Implement HepMC isGenStable
00020 bool isGenStable(const xAOD::TruthParticle* p);
00021 
00022 // Emulate HepMC descendant iterator
00023 // Multiple particles can give same descendant (string/cluster)
00024 // Remove Geant descendants
00025 int getDescendants(const xAOD::TruthParticle* p,
00026                    std::vector< const xAOD::TruthParticle* >& dscd );
00027 
00028 
00029 #endif //XEXAMPLE_XEXAMPLEUTIL_H