Issue #2657: Impossible to create sketch line with start point in the origin

[modules/shaper.git] / src / Model / Model_Expression.cpp

diff --git a/src/Model/Model_Expression.cpp b/src/Model/Model_Expression.cpp
index 7f2c698aa400fb4630bcafd5b02be46bdb6886f7..2696e6c2d75f0dc8ec7ea8e538c1403dcf58a8b6 100644 (file)
--- a/src/Model/Model_Expression.cpp
+++ b/src/Model/Model_Expression.cpp
@@ -14,7 +14,8 @@
 // License along with this library; if not, write to the Free Software
 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 //
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+// See http://www.salome-platform.org/ or
+// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
 //
 
 #include "Model_Expression.h"
@@ -117,7 +118,7 @@ void Model_ExpressionDouble::setValue(const double theValue)
 
 double Model_ExpressionDouble::value()
 {
-  if (myIsInitialized)
+  if (myIsInitialized && !myReal.IsNull())
     return myReal->Get();
   return std::numeric_limits<double>::max(); // error
 }
@@ -165,7 +166,7 @@ void Model_ExpressionInteger::setValue(const int theValue)
 
 int Model_ExpressionInteger::value()
 {
-  if (myIsInitialized)
+  if (myIsInitialized && !myInteger.IsNull())
     return myInteger->Get();
   return std::numeric_limits<int>::max(); // error
 }