possiblity to read ESD friends (Jacek)

[u/mrichter/AliRoot.git] / STAT / TKDNodeInfo.cxx

diff --git a/STAT/TKDNodeInfo.cxx b/STAT/TKDNodeInfo.cxx
index a4069520624722098b42addbc45297d693e3738c..9ba602039e1747a74a13e8b3d76884f19b65f294 100644 (file)
--- a/STAT/TKDNodeInfo.cxx
+++ b/STAT/TKDNodeInfo.cxx
@@ -8,13 +8,14 @@ ClassImp(TKDNodeInfo)
 
 
 //_________________________________________________________________
-TKDNodeInfo::TKDNodeInfo(const Int_t dim):
+TKDNodeInfo::TKDNodeInfo(Int_t dim):
        TObject()
        ,fNDim(3*dim)
        ,fData(0x0)
        ,fCov(0x0)
        ,fPar(0x0)
 {
+  // Default constructor
        fVal[0] = 0.; fVal[1] = 0.;
        Build(dim);
 }
@@ -27,6 +28,7 @@ TKDNodeInfo::TKDNodeInfo(const TKDNodeInfo &ref):
        ,fCov(0x0)
        ,fPar(0x0)
 {
+  // Copy constructor
        Build(fNDim/3);
 
        memcpy(fData, ref.fData, fNDim*sizeof(Float_t));
@@ -40,6 +42,7 @@ TKDNodeInfo::TKDNodeInfo(const TKDNodeInfo &ref):
 //_________________________________________________________________
 TKDNodeInfo::~TKDNodeInfo()
 {
+  // Destructor
        if(fData) delete [] fData;
        if(fCov){
                delete fPar;
@@ -67,7 +70,7 @@ TKDNodeInfo& TKDNodeInfo::operator=(const TKDNodeInfo & ref)
 }
 
 //_________________________________________________________________
-void TKDNodeInfo::Build(const Int_t dim)
+void TKDNodeInfo::Build(Int_t dim)
 {
 // Allocate/Reallocate space for this node.
 
@@ -86,14 +89,15 @@ void TKDNodeInfo::Build(const Int_t dim)
 }
 
 //_________________________________________________________________
-void TKDNodeInfo::Print()
+void TKDNodeInfo::Print(const Option_t *) const
 {
+  // Print the content of the node
        Int_t dim = fNDim/3;
        printf("x[");
        for(int idim=0; idim<dim; idim++) printf("%f ", fData[idim]);
        printf("] f = [%f +- %f]\n", fVal[0], fVal[1]);
 
-       Float_t *bounds = &fData[dim];
+       //      Float_t *bounds = &fData[dim];
        printf("range[");
        for(int idim=0; idim<dim; idim++) printf("(%f %f) ", fData[2*idim], fData[2*idim+1]);
        printf("]\n");
@@ -104,7 +108,7 @@ void TKDNodeInfo::Print()
                return;
        }
        
-       Int_t lambda = Int_t(1 + dim + .5*dim*(dim+1));
+       //      Int_t lambda = Int_t(1 + dim + .5*dim*(dim+1));
        for(int ip=0; ip<3; ip++) printf("p%d[%f] ", ip, (*fPar)(ip));
        printf("\n");
 }
@@ -112,6 +116,7 @@ void TKDNodeInfo::Print()
 //_________________________________________________________________
 void TKDNodeInfo::Store(const TVectorD &par, const TMatrixD &cov)
 {
+  // Store the parameters and the covariance in the node
        if(!fCov){
                fCov = new TMatrixD(cov.GetNrows(), cov.GetNrows());
                fPar = new TVectorD(par.GetNrows());