From 0ff353b671e48dfb0b3f489e5ea51d9217056e36 Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Wed, 2 Apr 2014 13:35:33 +0200
Subject: [PATCH] refs #197, isNull PQ converted to "undefined"

---
 src/blackmisc/pqphysicalquantity.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/blackmisc/pqphysicalquantity.cpp b/src/blackmisc/pqphysicalquantity.cpp
index 0e3f951d1..8bf4d92cf 100644
--- a/src/blackmisc/pqphysicalquantity.cpp
+++ b/src/blackmisc/pqphysicalquantity.cpp
@@ -5,6 +5,7 @@
 
 #include "blackmisc/pqallquantities.h"
 #include "blackmiscfreefunctions.h"
+#include <QCoreApplication>
 
 namespace BlackMisc
 {
@@ -262,6 +263,7 @@ namespace BlackMisc
          */
         template <class MU, class PQ> QString CPhysicalQuantity<MU, PQ>::convertToQString(bool i18n) const
         {
+            if (this->isNull()) return (i18n) ? QCoreApplication::translate("CPhysicalQuantity", "undefined") : "undefined";
             return this->valueRoundedWithUnit(this->getUnit(), -1, i18n);
         }