working

include/deal.II/lac/trilinos_tpetra_sparse_matrix.h

@@ -1360,7 +1360,7 @@ namespace LinearAlgebra
         size_type
         column() const;
 
-        // protected:
+      protected:
         /**
          * Pointer to the matrix object. This object should be handled as a
          * const pointer or non-const by the appropriate derived classes. In
@@ -1405,6 +1405,10 @@ namespace LinearAlgebra
          * Cache for the values of this row.
          */
         std::shared_ptr<std::vector<Number>> value_cache;
+
+      private:
+        friend class Iterator<Number, MemorySpace, false>;
+        friend class Iterator<Number, MemorySpace, true>;
       };
 
       /**
@@ -1472,10 +1476,6 @@ namespace LinearAlgebra
          */
         Number
         value() const;
-
-      private:
-        // Make iterator class a friend.
-        friend class Iterator<Number, MemorySpace, true>;
       };
 
       /**
@@ -1563,9 +1563,6 @@ namespace LinearAlgebra
         value() const;
 
       private:
-        // Make iterator class a friend.
-        friend class Iterator<Number, MemorySpace, false>;
-
         // Make Reference object a friend.
         friend class Reference;
       };