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Add hashing to the concurent compact container

This commit is contained in:
Andreas Fabri 2015-10-05 10:15:24 +02:00
parent da3d119acb
commit 2b43a79e0a
2 changed files with 57 additions and 0 deletions
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27
Hash_map/test/Hash_map/Hash.cpp
View File

@ -5,6 +5,7 @@
#include <CGAL/Polyhedron_3.h>
#include <CGAL/Surface_mesh.h>
#include <CGAL/Triangulation_2.h>
#include <CGAL/Delaunay_triangulation_3.h>
#include <CGAL/Linear_cell_complex.h>
#include <CGAL/boost/graph/graph_traits_Arrangement_2.h>
#include <CGAL/boost/graph/graph_traits_Polyhedron_3.h>
@ -20,6 +21,14 @@ typedef CGAL::Arrangement_2<Arrangement_traits_2> Arrangement_2;
typedef CGAL::Polyhedron_3<Kernel> Polyhedron;
typedef CGAL::Surface_mesh<Kernel::Point_3> Surface_mesh;
typedef CGAL::Triangulation_2<Kernel> Triangulation_2;
#ifdef CGAL_LINKED_WITH_TBB
typedef CGAL::Triangulation_data_structure_3<
CGAL::Triangulation_vertex_base_3<Kernel>,
CGAL::Triangulation_cell_base_3<Kernel>,
CGAL::Parallel_tag> Tds;
typedef CGAL::Delaunay_triangulation_3<Kernel, Tds> Triangulation_3;
#endif
typedef CGAL::Linear_cell_complex<3, 3> Linear_cell_complex_3;
@ -59,6 +68,20 @@ void fct2()
}
}
template <typename P>
void
fct3(const P& )
{
typedef typename P::Vertex_handle vertex_descriptor;
std::map<vertex_descriptor,int> M;
vertex_descriptor vd;
M.find(vd);
boost::unordered_map<vertex_descriptor, int> U;
U[vd] = 12;
}
int main()
{
Arrangement_2 A;
@ -75,6 +98,10 @@ int main()
fct2();
#ifdef CGAL_LINKED_WITH_TBB
Triangulation_3 T3;
fct3(T3);
#endif
return 0;
}

30
STL_Extension/include/CGAL/Concurrent_compact_container.h
View File

@ -1022,9 +1022,39 @@ namespace CCC_internal {
return rhs.operator->() != NULL;
}
template <class CCC, bool Const>
std::size_t hash_value(const CCC_iterator<CCC, Const>& i)
{
return reinterpret_cast<std::size_t>(&*i) / sizeof(typename CCC::value_type);
}
} // namespace CCC_internal
} //namespace CGAL
namespace std {
#if defined(BOOST_MSVC)
# pragma warning(push)
# pragma warning(disable:4099) // For VC10 it is class hash
#endif
#ifndef CGAL_CFG_NO_STD_HASH
template < class CCC, bool Const >
struct hash<CGAL::CCC_internal::CCC_iterator<CCC, Const> >
: public std::unary_function<CGAL::CCC_internal::CCC_iterator<CCC, Const>, std::size_t> {
std::size_t operator()(const CGAL::CCC_internal::CCC_iterator<CCC, Const>& i) const
{
return reinterpret_cast<std::size_t>(&*i) / sizeof(typename CCC::value_type);
}
};
#endif // CGAL_CFG_NO_STD_HASH
#if defined(BOOST_MSVC)
# pragma warning(pop)
#endif
} // namespace std
#endif // CGAL_CONCURRENT_COMPACT_CONTAINER_H