1 #ifndef DUNE_POLYGONGRID_DECLARATION_HH
2 #define DUNE_POLYGONGRID_DECLARATION_HH
3 
4 namespace Dune
5 {
6 
7   // External Forward Declarations
8   // -----------------------------
9 
10   template< class ct >
11   class PolygonGrid;
12 
13 } // namespace Dune
14 
15 #endif // #ifndef DUNE_POLYGONGRID_DECLARATION_HH
16