temperature method in stokesproblem thows an error, if called an not...

temperature method in stokesproblem thows an error, if called an not implemented. Changed asImp function according to e.g. implicitproblem.hh

Approved by Bernd and reviewed by Markus.

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@11940 2fb0f335-1f38-0410-981e-8018bf24f1b0

dumux/freeflow/stokes/stokesproblem.hh

@@ -82,7 +82,7 @@ public:
      * \param globalPos The position in global coordinates where the temperature should be specified.
      */
     Scalar temperatureAtPos(const GlobalPosition &globalPos) const
-    { return asImp_()->temperature(); }
+    { return asImp_().temperature(); }
 
     /*!
      * \brief Returns the temperature within the domain.
@@ -90,7 +90,7 @@ public:
      * This method MUST be overwritten by the actual problem.
      */
     Scalar temperature() const
-    { return asImp_()->temperature(); };
+    { DUNE_THROW(Dune::NotImplemented, "temperature() method not implemented by the actual problem"); };
 
     /*!
      * \brief Returns the acceleration due to gravity.
@@ -118,12 +118,12 @@ public:
 
 private:
     //! Returns the implementation of the problem (i.e. static polymorphism)
-    Implementation *asImp_()
-    { return static_cast<Implementation *>(this); }
+    Implementation &asImp_()
+    { return *static_cast<Implementation *>(this); }
 
     //! \copydoc asImp_()
-    const Implementation *asImp_() const
-    { return static_cast<const Implementation *>(this); }
+    const Implementation &asImp_() const
+    { return *static_cast<const Implementation *>(this); }
 
     GlobalPosition gravity_;
 };