check if any tracks were added before parsing

cms-sw · Mar 1, 2024 · cb42603 · cb42603
1 parent 0bd0f14
commit cb42603
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/RecoVertex/PrimaryVertexProducer/src/DAClusterizerInZ_vect.cc b/RecoVertex/PrimaryVertexProducer/src/DAClusterizerInZ_vect.cc
@@ -208,8 +208,12 @@ DAClusterizerInZ_vect::track_t DAClusterizerInZ_vect::fill(const vector<reco::Tr
     sumtkwt += t_tkwt;
   }
 
-  tks.extractRaw();
-  tks.osumtkwt = sumtkwt > 0 ? 1. / sumtkwt : 0.;
+  if (sumtkwt > 0) {
+    tks.extractRaw();
+    tks.osumtkwt = 1. / sumtkwt;
+  } else {
+    tks.osumtkwt = 0.;
+  }
 
 #ifdef DEBUG
   if (DEBUGLEVEL > 0) {