From c1150dd0f02bf385223cba8438844e95ede7ae36 Mon Sep 17 00:00:00 2001
From: rpreghen <rpreghen@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Fri, 5 Nov 2010 10:46:03 +0000
Subject: [PATCH 1/1] protection added to correctly handle runs with no
 calibration triggers

---
 TOF/AliTOFPreprocessor.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/TOF/AliTOFPreprocessor.cxx b/TOF/AliTOFPreprocessor.cxx
index 5d85c696bc5..5f62f0a691b 100644
--- a/TOF/AliTOFPreprocessor.cxx
+++ b/TOF/AliTOFPreprocessor.cxx
@@ -1045,6 +1045,8 @@ AliTOFPreprocessor::ProcessNoiseCalibTrg()
     rate_err /= fMatchingWindow[ich] * 1.e-9;
     hNoiseRate->SetBinContent(ich + 1, rate);
     hNoiseRate->SetBinError(ich + 1, rate_err);
+    /* check error */
+    if (rate_err == 0.) continue;
     /* check noise rate and set noise flags */
     if ((rate - 3. * rate_err) > noiseThr) {
       Log(Form("channel %d detected as noisy: rate = (%f +- %f) Hz", ich, rate, rate_err));
-- 
2.43.0