Do not put temporary TF1 into ROOT's global function pool

cms-sw · May 9, 2017 · c74b9dd · c74b9dd
1 parent 8359aa3
commit c74b9dd
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/RecoVertex/BeamSpotProducer/src/PVFitter.cc b/RecoVertex/BeamSpotProducer/src/PVFitter.cc
@@ -350,9 +350,10 @@ bool PVFitter::runFitter() {
     TH1F *h1PVz = (TH1F*) hPVx->ProjectionY("h1PVz", 0, -1, "e");
 
     //Use our own copy for thread safety
-    TF1 gausx("localGausX","gaus");
-    TF1 gausy("localGausY","gaus");
-    TF1 gausz("localGausZ","gaus");
+    // also do not add to global list of functions
+    TF1 gausx("localGausX","gaus",false);
+    TF1 gausy("localGausY","gaus",false);
+    TF1 gausz("localGausZ","gaus",false);
 
     h1PVx->Fit(&gausx,"QLMN0");
     h1PVy->Fit(&gausy,"QLMN0");