check of the end of SDigits array added

diff --git a/PHOS/AliPHOSDigitizer.cxx b/PHOS/AliPHOSDigitizer.cxx
index 1054b83c93ed66b4e7345f5989a9468c2da3d735..13b5a236e0765b9142bc63da5c113fd3a8acb147 100644 (file)
--- a/PHOS/AliPHOSDigitizer.cxx
+++ b/PHOS/AliPHOSDigitizer.cxx
@@ -230,7 +230,10 @@ void AliPHOSDigitizer::Digitize(const Int_t event)
 
       //loop over inputs
       for(i=0; i<input; i++){
-       curSDigit = (AliPHOSDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;   
+       if(((TClonesArray *)sdigArray->At(i))->GetEntriesFast() > index[i] )
+         curSDigit = (AliPHOSDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;         
+       else
+         curSDigit = 0 ;
        //May be several digits will contribute from the same input
        while(curSDigit && curSDigit->GetId() == absID){           
          //Shift primary to separate primaries belonging different inputs
@@ -249,7 +252,10 @@ void AliPHOSDigitizer::Digitize(const Int_t event)
          *digit = *digit + *curSDigit ;  //add energies
 
          index[i]++ ;
-         curSDigit = (AliPHOSDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;
+         if(((TClonesArray *)sdigArray->At(i))->GetEntriesFast() > index[i] )
+           curSDigit = (AliPHOSDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;       
+         else
+           curSDigit = 0 ;
        }
       }
 
@@ -261,7 +267,11 @@ void AliPHOSDigitizer::Digitize(const Int_t event)
       nextSig = 200000 ;
       for(i=0; i<input; i++){
        sdigits = ((TClonesArray *)sdigArray->At(i)) ;
-       Int_t curNext = ((AliPHOSDigit *) sdigits->At(index[i]))->GetId() ;
+       Int_t curNext = nextSig ;
+       if(sdigits->GetEntriesFast() > index[i] ){
+         curNext = ((AliPHOSDigit *) sdigits->At(index[i]))->GetId() ;
+         
+       }
        if(curNext < nextSig) nextSig = curNext ;
       }
     }
@@ -280,7 +290,10 @@ void AliPHOSDigitizer::Digitize(const Int_t event)
       digit = (AliPHOSDigit *) digits->At(absID-1) ;
       //Add SDigits from all inputs
       for(i=0; i<input; i++){
-       curSDigit = (AliPHOSDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;   
+       if(((TClonesArray *)sdigArray->At(i))->GetEntriesFast() > index[i] )
+         curSDigit = (AliPHOSDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;         
+       else
+         curSDigit = 0 ;
        //May be several digits will contribute from the same input
        while(curSDigit && curSDigit->GetId() == absID){           
          //Shift primary to separate primaries belonging different inputs
@@ -294,14 +307,19 @@ void AliPHOSDigitizer::Digitize(const Int_t event)
          //add energies
          *digit = *digit + *curSDigit ;  
          index[i]++ ;
-         curSDigit = (AliPHOSDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;
+         if(((TClonesArray *)sdigArray->At(i))->GetEntriesFast() > index[i] )
+           curSDigit = (AliPHOSDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;       
+         else
+           curSDigit = 0 ;
        }
       }
       
       //Find next signal module
       for(i=0; i<input; i++){
        sdigits = (TClonesArray *)sdigArray->At(i) ;
-       Int_t curNext = ((AliPHOSDigit *) sdigits->At(index[i]))->GetId() ;
+       Int_t curNext = nextSig ;
+       if(sdigits->GetEntriesFast() > index[i] )
+         curNext = ((AliPHOSDigit *) sdigits->At(index[i]))->GetId() ;
        if(curNext < nextSig) nextSig = curNext ;
       }