Merge pull request #31725 from ats2008/PVClusterComparer_BugFix

Fix initialisation of maxChi2 data member in PVClusterComparer
cms-sw · Oct 12, 2020 · 260347d · 260347d
2 parents 0da1310 + f46dea9
commit 260347d
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/RecoPixelVertexing/PixelVertexFinding/src/PVClusterComparer.cc b/RecoPixelVertexing/PixelVertexFinding/src/PVClusterComparer.cc
@@ -76,13 +76,12 @@ double PVClusterComparer::pTSquaredSum(const reco::Vertex &v) {
 }
 
 void PVClusterComparer::setChisquareQuantile() {
-  std::vector<double> maxChi2(20, 0.);
+  maxChi2_.clear();
+  maxChi2_.resize(20, 0.0);
   if (track_prob_min_ >= 0. && track_prob_min_ <= 1.)
     for (size_t ndof = 0; ndof < maxChi2_.size(); ++ndof)
       // http://root.cern.ch/root/html/TMath.html#TMath:ChisquareQuantile
-      maxChi2[ndof] = TMath::ChisquareQuantile(1 - track_prob_min_, ndof);
-
-  maxChi2_ = maxChi2;
+      maxChi2_[ndof] = TMath::ChisquareQuantile(1 - track_prob_min_, ndof);
 }
 
 void PVClusterComparer::updateChisquareQuantile(size_t ndof) {