Bug fix

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

diff --git a/STEER/AliTrackFitterStraight.cxx b/STEER/AliTrackFitterStraight.cxx
index a92b014a6f552f68be3722c7eb8b10cd67c187a5..0dc49ecc45b2b9bb72e4380625c9b3028c473e5f 100644 (file)
--- a/STEER/AliTrackFitterStraight.cxx
+++ b/STEER/AliTrackFitterStraight.cxx
@@ -1,53 +1,72 @@
-#include "TMatrixDSym.h"
-#include "TMatrixD.h"
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ *                                                                        *
+ * Author: The ALICE Off-line Project.                                    *
+ * Contributors are mentioned in the code where appropriate.              *
+ *                                                                        *
+ * Permission to use, copy, modify and distribute this software and its   *
+ * documentation strictly for non-commercial purposes is hereby granted   *
+ * without fee, provided that the above copyright notice appears in all   *
+ * copies and that both the copyright notice and this permission notice   *
+ * appear in the supporting documentation. The authors make no claims     *
+ * about the suitability of this software for any purpose. It is          *
+ * provided "as is" without express or implied warranty.                  *
+ **************************************************************************/
+
+/* $Id$ */
+
+#include <TMath.h>
+#include <TMatrixDSym.h>
+#include <TMatrixD.h>
+
 #include "AliTrackFitterStraight.h"
 
 ClassImp(AliTrackFitterStraight)
 
 AliTrackFitterStraight::AliTrackFitterStraight():
-  AliTrackFitter()
+  AliTrackFitter(),
+  fAlpha(0.),
+  fSumYY(0),
+  fSumZZ(0),
+  fNUsed(0),
+  fConv(kFALSE)
 {
   //
   // default constructor
   //
-  fAlpha = 0.;
   for (Int_t i=0;i<5;i++) fSumXY[i] = 0;
-  fSumYY = 0;
   for (Int_t i=0;i<5;i++) fSumXZ[i] = 0;
-  fSumZZ = 0;
-  fNUsed = 0;
-  fConv = kFALSE;
 }
 
 
 AliTrackFitterStraight::AliTrackFitterStraight(AliTrackPointArray *array, Bool_t owner):
-  AliTrackFitter(array,owner)
+  AliTrackFitter(array,owner),
+  fAlpha(0.),
+  fSumYY(0),
+  fSumZZ(0),
+  fNUsed(0),
+  fConv(kFALSE)
 {
   //
   // Constructor
   //
-  fAlpha = 0.;
   for (Int_t i=0;i<5;i++) fSumXY[i] = 0;
-  fSumYY = 0;
   for (Int_t i=0;i<5;i++) fSumXZ[i] = 0;
-  fSumZZ = 0;
-  fNUsed = 0;
-  fConv = kFALSE;
 }
 
 AliTrackFitterStraight::AliTrackFitterStraight(const AliTrackFitterStraight &fitter):
-  AliTrackFitter(fitter)
+  AliTrackFitter(fitter),
+  fAlpha(fitter.fAlpha),
+  fSumYY(fitter.fSumYY),
+  fSumZZ(fitter.fSumZZ),
+  fNUsed(fitter.fNUsed),
+  fConv(fitter.fConv)
 {
   //
   // copy constructor
   //
-  fAlpha = fitter.fAlpha;
   for (Int_t i=0;i<5;i++) fSumXY[i]  = fitter.fSumXY[i];
-  fSumYY = fitter.fSumYY;
   for (Int_t i=0;i<5;i++) fSumXZ[i]  = fitter.fSumXZ[i];
-  fSumZZ = fitter.fSumZZ;
-  fNUsed = fitter.fNUsed;
-  fConv = fitter.fConv;
 }
 
 //_____________________________________________________________________________
@@ -224,7 +243,7 @@ void AliTrackFitterStraight::Update(){
   TMatrixDSym     smatrix(2);
   TMatrixD        sums(1,2);
   smatrix(0,0) = fSumXY[0]; smatrix(1,1)=fSumXY[2];
-  smatrix(0,1) = fSumXY[1];
+  smatrix(0,1) = fSumXY[1]; smatrix(1,0)=fSumXY[1];
   sums(0,0)    = fSumXY[3]; sums(0,1)   =fSumXY[4];
   smatrix.Invert();
   if (smatrix.IsValid()){
@@ -246,7 +265,7 @@ void AliTrackFitterStraight::Update(){
   TMatrixDSym     smatrixz(2);
   TMatrixD        sumsxz(1,2);
   smatrixz(0,0) = fSumXZ[0]; smatrixz(1,1) = fSumXZ[2];
-  smatrixz(0,1) = fSumXZ[1];
+  smatrixz(0,1) = fSumXZ[1]; smatrixz(1,0) = fSumXZ[1];
   sumsxz(0,0)   = fSumXZ[3]; sumsxz(0,1)   = fSumXZ[4];
   smatrixz.Invert();
   if (smatrixz.IsValid()){