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// { dg-do compile }
// { dg-additional-options "-Wno-return-type" }
namespace internal {
template < class DSC, bool Const > struct CC_iterator {
typedef CC_iterator iterator;
typedef typename DSC::value_type value_type;
typedef const value_type* pointer;
CC_iterator () ;
CC_iterator (const iterator &it) {
}
pointer p;
pointer operator->() const ;
};
}
template < class T > struct Compact_container {
typedef Compact_container <T> Self;
typedef T value_type;
typedef internal::CC_iterator<Self, false> iterator;
};
template < typename TDS = void > struct Periodic_3_triangulation_ds_cell_base_3 {
typedef typename TDS::Vertex_handle Vertex_handle;
const Vertex_handle& vertex(int i) const {
}
};
struct Triangulation_data_structure_3 {
typedef Triangulation_data_structure_3 Tds;
typedef Periodic_3_triangulation_ds_cell_base_3<Tds> Cell;
typedef Compact_container<Cell> Cell_range;
typedef Compact_container<int> Vertex_range;
typedef typename Cell_range::iterator Cell_handle;
typedef typename Vertex_range::iterator Vertex_handle;
};
typedef Triangulation_data_structure_3 TDS1;
template < class > struct Periodic_3_Delaunay_triangulation_3 {
typedef TDS1::Vertex_handle Vertex_handle;
typedef TDS1::Cell_handle Cell_handle;
int compare_distance() const {
}
Vertex_handle nearest_vertex() const;
};
template < class Tds > typename Periodic_3_Delaunay_triangulation_3<Tds>::Vertex_handle Periodic_3_Delaunay_triangulation_3<Tds>::nearest_vertex() const {
Cell_handle c ;
Vertex_handle nearest = c->vertex(0);
nearest = (compare_distance() == -1) ? nearest : c->vertex(0);
return nearest;
}
typedef Periodic_3_Delaunay_triangulation_3<TDS1> PDT1;
struct Periodic_3_triangulation_hierarchy_3 : PDT1 {
Vertex_handle nearest_vertex() const;
};
Periodic_3_triangulation_hierarchy_3::Vertex_handle Periodic_3_triangulation_hierarchy_3:: nearest_vertex() const {
return PDT1::nearest_vertex();
}
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