From 683b0761d465ed83eff82b43d1038e212abf7ded Mon Sep 17 00:00:00 2001
From: Felix Weiglhofer <felix.weiglhofer@gmail.com>
Date: Mon, 22 Feb 2021 13:17:05 +0000
Subject: [PATCH] STS Hitfinder: Fix division by zero.

---
 reco/detectors/sts/CbmStsAlgoFindHits.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/reco/detectors/sts/CbmStsAlgoFindHits.cxx b/reco/detectors/sts/CbmStsAlgoFindHits.cxx
index 3863eb23fe..fa88a5fd03 100644
--- a/reco/detectors/sts/CbmStsAlgoFindHits.cxx
+++ b/reco/detectors/sts/CbmStsAlgoFindHits.cxx
@@ -116,7 +116,7 @@ Long64_t CbmStsAlgoFindHits::Exec(const vector<CbmStsCluster>& clustersF,
   fHits->clear();
   fTanStereoF = TMath::Tan(fStereoF * TMath::DegToRad());
   fTanStereoB = TMath::Tan(fStereoB * TMath::DegToRad());
-  fErrorFac   = 1. / (fTanStereoB - fTanStereoF) / (fTanStereoB - fTanStereoB);
+  fErrorFac   = 1. / (fTanStereoB - fTanStereoF) / (fTanStereoB - fTanStereoF);
   fDx         = Double_t(fNofStrips) * fPitch;
 
   // Determine the maximum cluster time errors
-- 
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