Die Defaultimplementierung der Vektoroperationen sind weg.

Dafür sind sie jetzt alle rein virtuell.

[[Imported from SVN: r540]]

common/vectorspace.hh

@@ -20,15 +20,15 @@ namespace Dune {
   template <typename Field> class Vector
   {
   public:
-    //virtual Vector<Field> operator + (const Vector<Field> &) const { return (*this); };
-    //virtual Vector<Field> operator - (const Vector<Field> &) const{ return (*this); };
-    //virtual Vector<Field> operator * (const Field &) const { return (*this); };
-    //virtual Vector<Field> operator / (const Field &) const{ return (*this); };
-    virtual Vector<Field>& operator  = (const Vector<Field> &) { return (*this); };
-    virtual Vector<Field>& operator += (const Vector<Field> &){ return (*this); };
-    virtual Vector<Field>& operator -= (const Vector<Field> &){ return (*this); };
-    virtual Vector<Field>& operator *= (const Field &){ return (*this); };
-    virtual Vector<Field>& operator /= (const Field &){ return (*this); };
+    //virtual Vector<Field> operator + (const Vector<Field> &) const = 0;
+    //virtual Vector<Field> operator - (const Vector<Field> &) const = 0;
+    //virtual Vector<Field> operator * (const Field &) const = 0;
+    //virtual Vector<Field> operator / (const Field &) const = 0;
+    virtual Vector<Field>& operator  = (const Vector<Field> &) = 0;
+    virtual Vector<Field>& operator += (const Vector<Field> &) = 0;
+    virtual Vector<Field>& operator -= (const Vector<Field> &) = 0;
+    virtual Vector<Field>& operator *= (const Field &) = 0;
+    virtual Vector<Field>& operator /= (const Field &) = 0;
   };