restore ostream format, 1075545, re #13918

Framework/DataObjects/src/PeakColumn.cpp

@@ -134,6 +134,7 @@ const std::type_info &PeakColumn::get_pointer_type_info() const {
 void PeakColumn::print(size_t index, std::ostream &s) const {
   Peak &peak = m_peaks[index];
 
+  std::ios::fmtflags fflags(s.flags());
   if (m_name == "RunNumber")
     s << peak.getRunNumber();
   else if (m_name == "DetID")
@@ -152,6 +153,7 @@ void PeakColumn::print(size_t index, std::ostream &s) const {
     s << std::fixed << std::setprecision(m_hklPrec) << peak.getL();
   } else
     s << peak.getValueByColName(m_name);
+  s.flags(fflags);
 }
 
 //-------------------------------------------------------------------------------------