Index: Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationServiceTest.cs
===================================================================
diff -u -r46f1eb89e0553eb1a8ece85c08167f472d1fb66c -r41a37c93cb0b3e36ff7023c9f42b4e6225598b55
--- Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationServiceTest.cs	(.../PipingCalculationServiceTest.cs)	(revision 46f1eb89e0553eb1a8ece85c08167f472d1fb66c)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationServiceTest.cs	(.../PipingCalculationServiceTest.cs)	(revision 41a37c93cb0b3e36ff7023c9f42b4e6225598b55)
@@ -138,7 +138,7 @@
             const string name = "<very nice name>";
 
             PipingCalculation calculation = PipingCalculationFactory.CreateCalculationWithValidInput();
-            calculation.InputParameters.HydraulicBoundaryLocation.DesignWaterLevel = (RoundedDouble) double.NaN;
+            calculation.InputParameters.HydraulicBoundaryLocation.DesignWaterLevel = RoundedDouble.NaN;
             calculation.Name = name;
 
             // Call
@@ -165,7 +165,7 @@
             const string name = "<very nice name>";
 
             PipingCalculation calculation = PipingCalculationFactory.CreateCalculationWithValidInput();
-            calculation.InputParameters.EntryPointL = (RoundedDouble) double.NaN;
+            calculation.InputParameters.EntryPointL = RoundedDouble.NaN;
             calculation.Name = name;
 
             // Call
@@ -191,7 +191,7 @@
             const string name = "<very nice name>";
 
             PipingCalculation calculation = PipingCalculationFactory.CreateCalculationWithValidInput();
-            calculation.InputParameters.ExitPointL = (RoundedDouble) double.NaN;
+            calculation.InputParameters.ExitPointL = RoundedDouble.NaN;
             calculation.Name = name;
 
             // Call