From da36e561b2338881fb52998e095d815c9b9e69fe Mon Sep 17 00:00:00 2001
From: Andreas Suter <andreas.suter@psi.ch>
Date: Wed, 20 Nov 2013 11:58:15 +0000
Subject: [PATCH] suppress automatic N0 estimate for single histo in case of
 chisq-only calculation

---
 ChangeLog                  | 2 ++
 src/musredit/PTextEdit.cpp | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index e7e02cc6..79295dd8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -38,6 +38,8 @@ NEW 2012-05-12 added dump_header. This is a little program which dumps the
 NEW 2012-04-24 added a first version for negative muon fitting. At the same 
                time substaintial bug fixing has been carried out (mainly the
 	       logx/logy handling).
+FIXED 2013-11-20 suppress automatic N0 esitmate for chisq-only calculation
+                 MUSR-270.
 FIXED 2013-01-21 fixed any2many bug concerning input file lists as described
                  in MUSR-247. Rewrote the template browser.
 FIXED 2012-12-18 fixed a shortcoming of the outdated TLemRunHeader class
diff --git a/src/musredit/PTextEdit.cpp b/src/musredit/PTextEdit.cpp
index ef930364..939c102e 100644
--- a/src/musredit/PTextEdit.cpp
+++ b/src/musredit/PTextEdit.cpp
@@ -1707,6 +1707,8 @@ void PTextEdit::musrCalcChisq()
   cmd.append(str);
   cmd.append(QFileInfo(*fFilenames.find( currentEditor())).fileName() );
   cmd.append("--chisq-only");
+  cmd.append("--estimateN0");
+  cmd.append("no");
   PFitOutputHandler fitOutputHandler(QFileInfo(*fFilenames.find( currentEditor() )).absolutePath(), cmd);
   fitOutputHandler.setModal(true);
   fitOutputHandler.exec();