Set the default size of TArrayF

[u/mrichter/AliRoot.git] / STEER / AliGenEventHeader.cxx

diff --git a/STEER/AliGenEventHeader.cxx b/STEER/AliGenEventHeader.cxx
index eae176e89ec66cccdb5957a5184ff8097ea9981b..1ff582f2143f08294d60cd9834a923adeb4fb27d 100644 (file)
--- a/STEER/AliGenEventHeader.cxx
+++ b/STEER/AliGenEventHeader.cxx
@@ -15,12 +15,13 @@
 
 /* $Id$ */
 
+//---------------------------------------------------------------------
 // Event header base class for generator. 
 // Stores as a minimum the date, run number, event number,
 // number of particles produced  
 // and the impact parameter.
-// 
 // Author: andreas.morsch@cern.ch
+//---------------------------------------------------------------------
 
 #include "AliGenEventHeader.h"
 ClassImp(AliGenEventHeader)
@@ -64,6 +65,7 @@ void  AliGenEventHeader::PrimaryVertex(TArrayF &o) const
     //
     // Return the primary vertex for the event
     //
+    o.Set(3);
     o[0] = fVertex.At(0);
     o[1] = fVertex.At(1);
     o[2] = fVertex.At(2);