Merge pull request cms-sw#7094 from bendavid/multihadweightfix

adjust weight for multiple hadronization also for HepMC GenEvent
hroskes · Feb 12, 2015 · d0badec · d0badec
1 parent 18b5c28
commit d0badec
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/GeneratorInterface/Core/interface/HadronizerFilter.h b/GeneratorInterface/Core/interface/HadronizerFilter.h
@@ -260,9 +260,15 @@ namespace edm
 
     //adjust event weights if necessary (in case input event was attempted multiple times)
     if (nAttempts_>1) {
+      double multihadweight = double(naccept)/double(nAttempts_);
+
+      //adjust weight for GenEventInfoProduct
       std::vector<double> genEventInfoWeights = finalGenEventInfo->weights();
-      genEventInfoWeights.push_back(double(naccept)/double(nAttempts_));
+      genEventInfoWeights.push_back(multihadweight);
       finalGenEventInfo->setWeights(genEventInfoWeights);
+
+      //adjust weight for HepMC GenEvent (used e.g for RIVET)
+      finalEvent->weights().push_back(multihadweight);
     }