static typename edge_capacity_value<Graph, P, T, R>::type
apply
(Graph& g,
typename graph_traits<Graph>::vertex_descriptor src,
typename graph_traits<Graph>::vertex_descriptor sink,
PredMap pred,
const bgl_named_params<P, T, R>& params,
detail::error_property_not_found)
{
typedef typename graph_traits<Graph>::edge_descriptor edge_descriptor;
typedef typename graph_traits<Graph>::vertices_size_type size_type;
size_type n = is_default_param(get_param(params, vertex_color)) ?
num_vertices(g) : 1;
std::vector<default_color_type> color_vec(n);
return edmunds_karp_max_flow
(g, src, sink,
choose_const_pmap(get_param(params, edge_capacity), g, edge_capacity),
choose_pmap(get_param(params, edge_residual_capacity),
g, edge_residual_capacity),
choose_const_pmap(get_param(params, edge_reverse), g, edge_reverse),
make_iterator_property_map(color_vec.begin(), choose_const_pmap
(get_param(params, vertex_index),
g, vertex_index), color_vec[0]),
pred);
}
inline OutputIterator
kruskal_minimum_spanning_tree(const Graph& g,
OutputIterator spanning_tree_edges,
const bgl_named_params<P, T, R>& params)
{
typedef typename graph_traits<Graph>::vertices_size_type size_type;
typedef typename graph_traits<Graph>::vertex_descriptor vertex_t;
if (num_vertices(g) == 0) return spanning_tree_edges; // Nothing to do in this case
typename graph_traits<Graph>::vertices_size_type n;
n = is_default_param(get_param(params, vertex_rank))
? num_vertices(g) : 1;
std::vector<size_type> rank_map(n);
n = is_default_param(get_param(params, vertex_predecessor))
? num_vertices(g) : 1;
std::vector<vertex_t> pred_map(n);
return detail::kruskal_mst_impl
(g, spanning_tree_edges,
choose_param
(get_param(params, vertex_rank),
make_iterator_property_map
(rank_map.begin(),
choose_pmap(get_param(params, vertex_index), g, vertex_index), rank_map[0])),
choose_param
(get_param(params, vertex_predecessor),
make_iterator_property_map
(pred_map.begin(),
choose_const_pmap(get_param(params, vertex_index), g, vertex_index),
pred_map[0])),
choose_const_pmap(get_param(params, edge_weight), g, edge_weight));
}
bool
johnson_all_pairs_shortest_paths
(VertexAndEdgeListGraph& g,
DistanceMatrix& D,
const bgl_named_params<P, T, R>& params)
{
return detail::johnson_dispatch
(g, D, params,
choose_const_pmap(get_param(params, edge_weight), g, edge_weight),
choose_const_pmap(get_param(params, vertex_index), g, vertex_index)
);
}
inline void
dijkstra_shortest_paths
(const VertexListGraph& g,
typename graph_traits<VertexListGraph>::vertex_descriptor s,
const bgl_named_params<Param,Tag,Rest>& params)
{
// Default for edge weight and vertex index map is to ask for them
// from the graph. Default for the visitor is null_visitor.
detail::dijkstra_dispatch1
(g, s,
get_param(params, vertex_distance),
choose_const_pmap(get_param(params, edge_weight), g, edge_weight),
choose_const_pmap(get_param(params, vertex_index), g, vertex_index),
params);
}
void
astar_search
(VertexListGraph &g,
typename graph_traits<VertexListGraph>::vertex_descriptor s,
AStarHeuristic h, const bgl_named_params<P, T, R>& params)
{
detail::astar_dispatch1
(g, s, h,
get_param(params, vertex_rank),
get_param(params, vertex_distance),
choose_const_pmap(get_param(params, edge_weight), g, edge_weight),
choose_const_pmap(get_param(params, vertex_index), g, vertex_index),
get_param(params, vertex_color),
params);
}
bool floyd_warshall_all_pairs_shortest_paths(
const VertexAndEdgeListGraph& g, DistanceMatrix& d,
const bgl_named_params<P, T, R>& params)
{
return detail::floyd_warshall_noninit_dispatch(g, d,
choose_const_pmap(get_param(params, edge_weight), g, edge_weight),
params);
}
static typename edge_capacity_value<Graph, P, T, R>::type
apply
(Graph& g,
typename graph_traits<Graph>::vertex_descriptor src,
typename graph_traits<Graph>::vertex_descriptor sink,
PredMap pred,
const bgl_named_params<P, T, R>& params,
ColorMap color)
{
return edmunds_karp_max_flow
(g, src, sink,
choose_const_pmap(get_param(params, edge_capacity), g, edge_capacity),
choose_pmap(get_param(params, edge_residual_capacity),
g, edge_residual_capacity),
choose_const_pmap(get_param(params, edge_reverse), g, edge_reverse),
color, pred);
}
inline void
dag_shortest_paths
(const VertexListGraph& g,
typename graph_traits<VertexListGraph>::vertex_descriptor s,
const bgl_named_params<Param,Tag,Rest>& params)
{
// assert that the graph is directed...
null_visitor null_vis;
detail::dag_sp_dispatch1
(g, s,
get_param(params, vertex_distance),
choose_const_pmap(get_param(params, edge_weight), g, edge_weight),
get_param(params, vertex_color),
choose_const_pmap(get_param(params, vertex_index), g, vertex_index),
choose_param(get_param(params, graph_visitor),
make_dijkstra_visitor(null_vis)),
params);
}
bool bellman_ford_shortest_paths
(EdgeListGraph& g, Size N,
const bgl_named_params<P, T, R>& params)
{
return detail::bellman_dispatch
(g, N,
choose_const_pmap(get_param(params, edge_weight), g, edge_weight),
choose_pmap(get_param(params, vertex_distance), g, vertex_distance),
params);
}
inline void prim_minimum_spanning_tree
(const VertexListGraph& g,
PredecessorMap p_map,
const bgl_named_params<P,T,R>& params)
{
detail::prim_mst_impl
(g,
choose_param(get_param(params, root_vertex_t()), *vertices(g).first),
params.predecessor_map(p_map),
choose_const_pmap(get_param(params, edge_weight), g, edge_weight));
}
bool bellman_ford_shortest_paths
(VertexAndEdgeListGraph& g,
const bgl_named_params<P, T, R>& params)
{
function_requires<VertexListGraphConcept<VertexAndEdgeListGraph> >();
return detail::bellman_dispatch
(g, num_vertices(g),
choose_const_pmap(get_param(params, edge_weight), g, edge_weight),
choose_pmap(get_param(params, vertex_distance), g, vertex_distance),
params);
}
bool bellman_ford_shortest_paths
(VertexAndEdgeListGraph& g,
const bgl_named_params<P, T, R>& params)
{
BOOST_CONCEPT_ASSERT(( VertexListGraphConcept<VertexAndEdgeListGraph> ));
return detail::bellman_dispatch
(g, num_vertices(g),
choose_const_pmap(get_param(params, edge_weight), g, edge_weight),
choose_pmap(get_param(params, vertex_distance), g, vertex_distance),
params);
}
static void
apply(const Graph& g, DFSVisitor vis, Vertex start_vertex,
const bgl_named_params<P, T, R>& params,
EdgeColorMap edge_color,
param_not_found)
{
std::vector<default_color_type> color_vec(num_vertices(g));
default_color_type c = white_color; // avoid warning about un-init
undirected_dfs
(g, vis, make_iterator_property_map
(color_vec.begin(),
choose_const_pmap(get_param(params, vertex_index),
g, vertex_index), c),
edge_color,
start_vertex);
}
inline static typename property_traits<ComponentMap>::value_type
apply(const Graph& g,
ComponentMap comp,
RootMap r_map,
const bgl_named_params<P, T, R>& params,
param_not_found)
{
typedef typename graph_traits<Graph>::vertices_size_type size_type;
size_type n = num_vertices(g) > 0 ? num_vertices(g) : 1;
std::vector<size_type> time_vec(n);
return strong_components_impl
(g, comp, r_map,
make_iterator_property_map(time_vec.begin(), choose_const_pmap
(get_param(params, vertex_index),
g, vertex_index), time_vec[0]),
params);
}
inline static typename property_traits<ComponentMap>::value_type
apply(const Graph& g,
ComponentMap comp,
const bgl_named_params<P, T, R>& params,
param_not_found)
{
typedef typename graph_traits<Graph>::vertex_descriptor Vertex;
typename std::vector<Vertex>::size_type
n = num_vertices(g) > 0 ? num_vertices(g) : 1;
std::vector<Vertex> root_vec(n);
return scc_helper2
(g, comp,
make_iterator_property_map(root_vec.begin(), choose_const_pmap
(get_param(params, vertex_index),
g, vertex_index), root_vec[0]),
params,
get_param(params, vertex_discover_time));
}
static void apply
(VertexListGraph& g,
typename graph_traits<VertexListGraph>::vertex_descriptor s,
const bgl_named_params<P, T, R>& params,
detail::error_property_not_found)
{
std::vector<default_color_type> color_vec(num_vertices(g));
default_color_type c = white_color;
null_visitor null_vis;
bfs_helper
(g, s,
make_iterator_property_map
(color_vec.begin(),
choose_const_pmap(get_param(params, vertex_index),
g, vertex_index), c),
choose_param(get_param(params, graph_visitor),
make_bfs_visitor(null_vis)),
params);
}
static typename edge_capacity_value<Graph, P, T, R>::type
apply
(Graph& g,
typename graph_traits<Graph>::vertex_descriptor src,
typename graph_traits<Graph>::vertex_descriptor sink,
const bgl_named_params<P, T, R>& params,
detail::error_property_not_found)
{
typedef typename graph_traits<Graph>::edge_descriptor edge_descriptor;
typedef typename graph_traits<Graph>::vertices_size_type size_type;
size_type n = is_default_param(get_param(params, vertex_predecessor)) ?
num_vertices(g) : 1;
std::vector<edge_descriptor> pred_vec(n);
typedef typename property_value< bgl_named_params<P,T,R>, vertex_color_t>::type C;
return edmunds_karp_dispatch2<C>::apply
(g, src, sink,
make_iterator_property_map(pred_vec.begin(), choose_const_pmap
(get_param(params, vertex_index),
g, vertex_index), pred_vec[0]),
params,
get_param(params, vertex_color));
}
static void apply
(VertexListGraph& g,
typename graph_traits<VertexListGraph>::vertex_descriptor s,
EdgeType e,
const bgl_named_params<P, T, R>& params,
param_not_found)
{
null_visitor null_vis;
bfs_helper
(g, s, e,
make_two_bit_color_map
(num_vertices(g),
choose_const_pmap(get_param(params, vertex_index),
g, vertex_index)),
choose_param(get_param(params, graph_visitor),
make_bfs_visitor(null_vis)),
params,
boost::mpl::bool_<
boost::is_base_and_derived<
distributed_graph_tag,
typename graph_traits<VertexListGraph>::traversal_category>::value>());
}
