Fix in documentation

[u/mrichter/AliRoot.git] / TPC / AliTPCtracker.cxx

diff --git a/TPC/AliTPCtracker.cxx b/TPC/AliTPCtracker.cxx
index 7011119074f70025831d2aa799e926f2a894bb1f..5c1219ac20a97ee50fbb548048461c626c3cdc02 100644 (file)
--- a/TPC/AliTPCtracker.cxx
+++ b/TPC/AliTPCtracker.cxx
@@ -26,6 +26,7 @@
 #include <TTree.h>
 
 #include "AliESDEvent.h"
+#include "AliESDtrack.h"
 
 #include "AliTPCtracker.h"
 #include "AliTPCcluster.h"
@@ -231,7 +232,7 @@ Int_t AliTPCtracker::FollowProlongation(AliTPCseed& t, Int_t rf) {
     UInt_t index=0;
     Double_t maxchi2=kMaxCHI2;
     const AliTPCRow &krow=fSectors[s][nr];
-    Double_t pt=1./t.Get1Pt();
+    Double_t pt=t.GetSignedPt();
     Double_t sy2=AliTPCcluster::SigmaY2(t.GetX(),t.GetTgl(),pt);
     Double_t sz2=AliTPCcluster::SigmaZ2(t.GetX(),t.GetTgl());
     Double_t road=4.*sqrt(t.GetSigmaY2() + sy2), y=t.GetY(), z=t.GetZ();
@@ -369,7 +370,7 @@ Int_t AliTPCtracker::FollowBackProlongation
     AliTPCcluster *cl=0;
     Int_t index=0;
     Double_t maxchi2=kMaxCHI2;
-    Double_t pt=1./seed.Get1Pt();
+    Double_t pt=seed.GetSignedPt();
     Double_t sy2=AliTPCcluster::SigmaY2(seed.GetX(),seed.GetTgl(),pt);
     Double_t sz2=AliTPCcluster::SigmaZ2(seed.GetX(),seed.GetTgl());
     Double_t road=4.*sqrt(seed.GetSigmaY2() + sy2), z=seed.GetZ();