- Prepare covariance matrix manipulation in the tracklet for resolution

[u/mrichter/AliRoot.git] / TRD / AliTRDtrackV1.cxx

diff --git a/TRD/AliTRDtrackV1.cxx b/TRD/AliTRDtrackV1.cxx
index 97ec1353bd301bbd03e8f72d9f53025495076e8e..cd86f2238ff0f4835672e74ff45a024290e309ea 100644 (file)
--- a/TRD/AliTRDtrackV1.cxx
+++ b/TRD/AliTRDtrackV1.cxx
@@ -226,7 +226,8 @@ AliTRDtrackV1::~AliTRDtrackV1()
 Bool_t AliTRDtrackV1::CookLabel(Float_t wrong)
 {
   // set MC label for this track
-  
+  if(!GetNumberOfClusters()) return kFALSE;
+
   Int_t s[kMAXCLUSTERSPERTRACK][2];
   for (Int_t i = 0; i < kMAXCLUSTERSPERTRACK; i++) {
     s[i][0] = -1;
@@ -266,7 +267,6 @@ Bool_t AliTRDtrackV1::CookLabel(Float_t wrong)
     max   = s[i][1]; 
     label = s[i][0];
   }
-  
   if ((1. - Float_t(max)/GetNumberOfClusters()) > wrong) label = -label;
   
   SetLabel(label);