Patch for the bug described in Savannah report 54788 (P. Hristov)

[u/mrichter/AliRoot.git] / ITS / AliITSClusterFinderV2SSD.cxx

diff --git a/ITS/AliITSClusterFinderV2SSD.cxx b/ITS/AliITSClusterFinderV2SSD.cxx
index 32e34aeead1df0bf0c174a98a34f7917ff71ffdd..d0f1c286dd6a2131770bbf4c0c089d62d4cc9c34 100644 (file)
--- a/ITS/AliITSClusterFinderV2SSD.cxx
+++ b/ITS/AliITSClusterFinderV2SSD.cxx
@@ -806,11 +806,17 @@ FindClustersSSD(Ali1Dcluster* neg, Int_t nn,
       
       if (TMath::Abs(xt)<hwSSD+0.01)
       if (TMath::Abs(zt)<hlSSD+0.01*(neg[j].GetNd()+pos[i].GetNd())) {
-       negativepair[i*10+cnegative[i]] =j;  //index
-       positivepair[j*10+cpositive[j]] =i;
-       cnegative[i]++;  //counters
-       cpositive[j]++; 
-       fgPairs[i*nn+j]=100;
+       Int_t in = i*10+cnegative[i];
+       Int_t ip = j*10+cpositive[j];
+       if ((in < 10*np) && (ip < 10*nn)) {
+         negativepair[in] =j;  //index
+         positivepair[ip] =i;
+         cnegative[i]++;  //counters
+         cpositive[j]++;       
+         fgPairs[i*nn+j]=100;
+       }
+       else
+         AliError(Form("Index out of range: ip=%d, in=%d",ip,in));
       }
     }
   }
@@ -835,11 +841,17 @@ FindClustersSSD(Ali1Dcluster* neg, Int_t nn,
        // tag 1Dcluster (eventually will produce low quality recpoint)
        if (cnegative[i]==0) pos[i].SetNd(100);  // not available pair
        if (cpositive[j]==0) neg[j].SetNd(100);  // not available pair
-       negativepair[i*10+cnegative[i]] =j;  //index
-       positivepair[j*10+cpositive[j]] =i;
-       cnegative[i]++;  //counters
-       cpositive[j]++; 
-       fgPairs[i*nn+j]=100;
+       Int_t in = i*10+cnegative[i];
+       Int_t ip = j*10+cpositive[j];
+       if ((in < 10*np) && (ip < 10*nn)) {
+         negativepair[in] =j;  //index
+         positivepair[ip] =i;
+         cnegative[i]++;  //counters
+         cpositive[j]++;       
+         fgPairs[i*nn+j]=100;
+       }
+       else
+         AliError(Form("Index out of range: ip=%d, in=%d",ip,in));
       }
     }
   }