Merge branch 'TrigMC-fix-dphi-cut-in-LbyL-noise-hypo' into '21.0-TrigMC'

fix dphi issue

See merge request atlas/athena!15506

Former-commit-id: 9604d4c96c71f690b38db038b48c595dee58d336

Trigger/TrigHypothesis/TrigHIHypo/src/LbyLTopoClusterHypo.cxx

@@ -59,7 +59,7 @@ HLT::ErrorCode LbyLTopoClusterHypo::hltExecute(const HLT::TriggerElement* output
       const double dPhi = HLT::deltaPhi( (*cl1Iter)->phi(), (*cl2Iter)->phi() );
       m_allDPhi.push_back( dPhi );
       
-      if ( dPhi > m_dPhiCut ) {	
+      if ( std::fabs(dPhi) > m_dPhiCut ) {	
 	pass=true;
 	ATH_MSG_DEBUG( "found pair of clusters matching criteria et/phi " 
 		       << (*cl1Iter)->et() << "/" <<  (*cl1Iter)->phi() << " and  "