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//=======================================================================
// Copyright 2002 Indiana University.
// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//=======================================================================
#include <boost/config.hpp>
#include <boost/concept_archetype.hpp>
#include <boost/graph/dijkstra_shortest_paths.hpp>
#include <boost/graph/dijkstra_shortest_paths_no_color_map.hpp>
#include <boost/graph/graph_archetypes.hpp>
typedef boost::default_constructible_archetype<
boost::sgi_assignable_archetype<> > dist_value;
// So generate_infinity works...
namespace std {
template <>
class numeric_limits<dist_value> {
public:
static dist_value max BOOST_PREVENT_MACRO_SUBSTITUTION () {
return boost::static_object<dist_value>::get();
}
};
}
dist_value abs(const dist_value& x) { return x; }
std::size_t abs(std::size_t x) { return x; }
int main()
{
using namespace boost;
typedef default_constructible_archetype<
sgi_assignable_archetype<
equality_comparable_archetype<> > > vertex_t;
{
typedef incidence_graph_archetype<vertex_t, directed_tag,
allow_parallel_edge_tag> IncidenceGraph;
typedef vertex_list_graph_archetype<vertex_t, directed_tag,
allow_parallel_edge_tag, IncidenceGraph> graph_t;
graph_t& g = static_object<graph_t>::get();
vertex_t s;
typedef graph_traits<graph_t>::edge_descriptor edge_t;
readable_property_map_archetype<edge_t, std::size_t> weight;
readable_property_map_archetype<vertex_t, int> index;
read_write_property_map_archetype<vertex_t, std::size_t> distance;
dijkstra_shortest_paths(g, s,
vertex_index_map(index).
weight_map(weight).
distance_map(distance));
dijkstra_shortest_paths_no_color_map(g, s,
vertex_index_map(index).
weight_map(weight).
distance_map(distance));
}
{
typedef incidence_graph_archetype<vertex_t, directed_tag,
allow_parallel_edge_tag> IncidenceGraph;
typedef vertex_list_graph_archetype<vertex_t, directed_tag,
allow_parallel_edge_tag, IncidenceGraph> Graph;
vertex_t s;
typedef graph_traits<Graph>::edge_descriptor edge_t;
readable_property_map_archetype<edge_t, std::size_t> weight;
typedef property_graph_archetype<Graph, vertex_index_t, std::size_t>
graph_t;
graph_t& g = static_object<graph_t>::get();
read_write_property_map_archetype<vertex_t, vertex_t> pred;
dijkstra_shortest_paths(g, s,
predecessor_map(pred).
weight_map(weight));
dijkstra_shortest_paths_no_color_map(g, s,
predecessor_map(pred).
weight_map(weight));
}
{
typedef incidence_graph_archetype<vertex_t, directed_tag,
allow_parallel_edge_tag> IncidenceGraph;
typedef vertex_list_graph_archetype<vertex_t, directed_tag,
allow_parallel_edge_tag, IncidenceGraph> Graph;
vertex_t s;
typedef property_graph_archetype<Graph, edge_weight_t, std::size_t>
graph_t;
graph_t& g = static_object<graph_t>::get();
read_write_property_map_archetype<vertex_t, vertex_t> pred;
readable_property_map_archetype<vertex_t, int> index;
dijkstra_shortest_paths(g, s,
predecessor_map(pred).
vertex_index_map(index));
dijkstra_shortest_paths_no_color_map(g, s,
predecessor_map(pred).
vertex_index_map(index));
}
{
typedef incidence_graph_archetype<vertex_t, directed_tag,
allow_parallel_edge_tag> IncidenceGraph;
typedef vertex_list_graph_archetype<vertex_t, directed_tag,
allow_parallel_edge_tag, IncidenceGraph> graph_t;
graph_t& g = static_object<graph_t>::get();
vertex_t s;
typedef graph_traits<graph_t>::edge_descriptor edge_t;
readable_property_map_archetype<edge_t, dist_value> weight;
readable_property_map_archetype<vertex_t, int> index;
read_write_property_map_archetype<vertex_t, color_value_archetype> color;
read_write_property_map_archetype<vertex_t, dist_value> distance;
typedef binary_function_archetype<dist_value, dist_value, dist_value>
Combine;
Combine combine = static_object<Combine>::get();
typedef binary_predicate_archetype<dist_value, dist_value>
Compare;
Compare compare = static_object<Compare>::get();
dijkstra_visitor<> vis;
dijkstra_shortest_paths(g, s, color_map(color).
vertex_index_map(index).
weight_map(weight).
distance_map(distance).
distance_combine(combine).
distance_compare(compare).
visitor(vis));
dijkstra_shortest_paths_no_color_map(g, s,
vertex_index_map(index).
weight_map(weight).
distance_map(distance).
distance_combine(combine).
distance_compare(compare).
visitor(vis));
}
return 0;
}
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