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Protection againsr divison by zerro
authormarian <marian@f7af4fe6-9843-0410-8265-dc069ae4e863>
Sat, 28 Nov 2009 14:23:52 +0000 (14:23 +0000)
committermarian <marian@f7af4fe6-9843-0410-8265-dc069ae4e863>
Sat, 28 Nov 2009 14:23:52 +0000 (14:23 +0000)
(Marian)

TPC/AliTPCcalibDButil.cxx patch | blob | blame | history

diff --git a/TPC/AliTPCcalibDButil.cxx b/TPC/AliTPCcalibDButil.cxx
index acf2da5414c45dd58b20c75241b8f145d6a020c7..316a052cd61a0c2289e380ebe58ed74460c9ca60 100644 (file)
--- a/TPC/AliTPCcalibDButil.cxx
+++ b/TPC/AliTPCcalibDButil.cxx
@@ -677,6 +677,7 @@ void AliTPCcalibDButil::ProcessNoiseVariations(TVectorF &noiseDeviations)
         //don't use masked channels;
         if (mROC   ->GetValue(irow,ipad)) continue;
         if (mRefROC->GetValue(irow,ipad)) continue;
+       if (nRefROC->GetValue(irow,ipad)==0) continue;
         Float_t deviation=(nROC->GetValue(irow,ipad)/nRefROC->GetValue(irow,ipad))-1;
         for (Int_t i=0;i<npar;++i){
           if (deviation>vThres[i])