Fixed bug in parent assignment and implemented Birk's law in the Step Manager

[u/mrichter/AliRoot.git] / THijing / AliGenHijing.cxx

diff --git a/THijing/AliGenHijing.cxx b/THijing/AliGenHijing.cxx
index cceca2f9362364a74961fce62822fa5087f3618c..017cda2003011b3624761316dac54e41223d1723 100644 (file)
--- a/THijing/AliGenHijing.cxx
+++ b/THijing/AliGenHijing.cxx
@@ -18,10 +18,10 @@
 // Generator using HIJING as an external generator
 // The main HIJING options are accessable for the user through this interface.
 // Uses the THijing implementation of TGenerator.
+// Author:
+// Andreas Morsch    (andreas.morsch@cern.ch)
 //
-// andreas.morsch@cern.ch
 
-#include <TArrayI.h>
 #include <TGraph.h>
 #include <THijing.h>
 #include <TLorentzVector.h>
@@ -462,7 +462,7 @@ Bool_t AliGenHijing::SelectFlavor(Int_t pid)
     return res;
 }
 
-Bool_t AliGenHijing::Stable(TParticle*  particle)
+Bool_t AliGenHijing::Stable(TParticle*  particle) const
 {
 // Return true for a stable particle
 //
@@ -519,7 +519,7 @@ void AliGenHijing::MakeHeader()
     ((AliGenHijingEventHeader*) header)->SetTrials(fTrials);
 // Event Vertex
     header->SetPrimaryVertex(fVertex);
-    gAlice->SetGenEventHeader(header);   
+    if (gAlice) gAlice->SetGenEventHeader(header);   
     fCollisionGeometry = (AliGenHijingEventHeader*)  header;
 }
 
@@ -581,7 +581,7 @@ Bool_t AliGenHijing::CheckTrigger()
 }
 
 
-void AliGenHijing::Copy(AliGenHijing &) const
+void AliGenHijing::Copy(TObject &) const
 {
   Fatal("Copy","Not implemented!\n");
 }