stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork
This commit is contained in:
@@ -0,0 +1,255 @@
|
||||
//
|
||||
//=======================================================================
|
||||
// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
|
||||
// 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)
|
||||
//=======================================================================
|
||||
//
|
||||
#ifndef BOOST_GRAPH_UNDIRECTED_DFS_HPP
|
||||
#define BOOST_GRAPH_UNDIRECTED_DFS_HPP
|
||||
|
||||
#include <boost/graph/depth_first_search.hpp>
|
||||
#include <vector>
|
||||
#include <boost/concept/assert.hpp>
|
||||
|
||||
namespace boost {
|
||||
|
||||
namespace detail {
|
||||
|
||||
// Define BOOST_RECURSIVE_DFS to use older, recursive version.
|
||||
// It is retained for a while in order to perform performance
|
||||
// comparison.
|
||||
#ifndef BOOST_RECURSIVE_DFS
|
||||
|
||||
template <typename IncidenceGraph, typename DFSVisitor,
|
||||
typename VertexColorMap, typename EdgeColorMap>
|
||||
void undir_dfv_impl
|
||||
(const IncidenceGraph& g,
|
||||
typename graph_traits<IncidenceGraph>::vertex_descriptor u,
|
||||
DFSVisitor& vis,
|
||||
VertexColorMap vertex_color,
|
||||
EdgeColorMap edge_color)
|
||||
{
|
||||
BOOST_CONCEPT_ASSERT(( IncidenceGraphConcept<IncidenceGraph> ));
|
||||
BOOST_CONCEPT_ASSERT(( DFSVisitorConcept<DFSVisitor, IncidenceGraph> ));
|
||||
typedef typename graph_traits<IncidenceGraph>::vertex_descriptor Vertex;
|
||||
typedef typename graph_traits<IncidenceGraph>::edge_descriptor Edge;
|
||||
BOOST_CONCEPT_ASSERT(( ReadWritePropertyMapConcept<VertexColorMap,Vertex> ));
|
||||
BOOST_CONCEPT_ASSERT(( ReadWritePropertyMapConcept<EdgeColorMap,Edge> ));
|
||||
typedef typename property_traits<VertexColorMap>::value_type ColorValue;
|
||||
typedef typename property_traits<EdgeColorMap>::value_type EColorValue;
|
||||
BOOST_CONCEPT_ASSERT(( ColorValueConcept<ColorValue> ));
|
||||
BOOST_CONCEPT_ASSERT(( ColorValueConcept<EColorValue> ));
|
||||
typedef color_traits<ColorValue> Color;
|
||||
typedef color_traits<EColorValue> EColor;
|
||||
typedef typename graph_traits<IncidenceGraph>::out_edge_iterator Iter;
|
||||
typedef std::pair<Vertex, std::pair<boost::optional<Edge>, std::pair<Iter, Iter> > > VertexInfo;
|
||||
|
||||
std::vector<VertexInfo> stack;
|
||||
|
||||
put(vertex_color, u, Color::gray());
|
||||
vis.discover_vertex(u, g);
|
||||
stack.push_back(std::make_pair(u, std::make_pair(boost::optional<Edge>(), out_edges(u, g))));
|
||||
while (!stack.empty()) {
|
||||
VertexInfo& back = stack.back();
|
||||
u = back.first;
|
||||
boost::optional<Edge> src_e = back.second.first;
|
||||
Iter ei = back.second.second.first, ei_end = back.second.second.second;
|
||||
stack.pop_back();
|
||||
while (ei != ei_end) {
|
||||
Vertex v = target(*ei, g);
|
||||
vis.examine_edge(*ei, g);
|
||||
ColorValue v_color = get(vertex_color, v);
|
||||
EColorValue uv_color = get(edge_color, *ei);
|
||||
put(edge_color, *ei, EColor::black());
|
||||
if (v_color == Color::white()) {
|
||||
vis.tree_edge(*ei, g);
|
||||
src_e = *ei;
|
||||
stack.push_back(std::make_pair(u, std::make_pair(src_e, std::make_pair(++ei, ei_end))));
|
||||
u = v;
|
||||
put(vertex_color, u, Color::gray());
|
||||
vis.discover_vertex(u, g);
|
||||
boost::tie(ei, ei_end) = out_edges(u, g);
|
||||
} else if (v_color == Color::gray()) {
|
||||
if (uv_color == EColor::white()) vis.back_edge(*ei, g);
|
||||
call_finish_edge(vis, *ei, g);
|
||||
++ei;
|
||||
} else { // if (v_color == Color::black())
|
||||
call_finish_edge(vis, *ei, g);
|
||||
++ei;
|
||||
}
|
||||
}
|
||||
put(vertex_color, u, Color::black());
|
||||
vis.finish_vertex(u, g);
|
||||
if (src_e) call_finish_edge(vis, src_e.get(), g);
|
||||
}
|
||||
}
|
||||
|
||||
#else // BOOST_RECURSIVE_DFS
|
||||
|
||||
template <typename IncidenceGraph, typename DFSVisitor,
|
||||
typename VertexColorMap, typename EdgeColorMap>
|
||||
void undir_dfv_impl
|
||||
(const IncidenceGraph& g,
|
||||
typename graph_traits<IncidenceGraph>::vertex_descriptor u,
|
||||
DFSVisitor& vis, // pass-by-reference here, important!
|
||||
VertexColorMap vertex_color,
|
||||
EdgeColorMap edge_color)
|
||||
{
|
||||
BOOST_CONCEPT_ASSERT(( IncidenceGraphConcept<IncidenceGraph> ));
|
||||
BOOST_CONCEPT_ASSERT(( DFSVisitorConcept<DFSVisitor, IncidenceGraph> ));
|
||||
typedef typename graph_traits<IncidenceGraph>::vertex_descriptor Vertex;
|
||||
typedef typename graph_traits<IncidenceGraph>::edge_descriptor Edge;
|
||||
BOOST_CONCEPT_ASSERT(( ReadWritePropertyMapConcept<VertexColorMap,Vertex> ));
|
||||
BOOST_CONCEPT_ASSERT(( ReadWritePropertyMapConcept<EdgeColorMap,Edge> ));
|
||||
typedef typename property_traits<VertexColorMap>::value_type ColorValue;
|
||||
typedef typename property_traits<EdgeColorMap>::value_type EColorValue;
|
||||
BOOST_CONCEPT_ASSERT(( ColorValueConcept<ColorValue> ));
|
||||
BOOST_CONCEPT_ASSERT(( ColorValueConcept<EColorValue> ));
|
||||
typedef color_traits<ColorValue> Color;
|
||||
typedef color_traits<EColorValue> EColor;
|
||||
typename graph_traits<IncidenceGraph>::out_edge_iterator ei, ei_end;
|
||||
|
||||
put(vertex_color, u, Color::gray()); vis.discover_vertex(u, g);
|
||||
for (boost::tie(ei, ei_end) = out_edges(u, g); ei != ei_end; ++ei) {
|
||||
Vertex v = target(*ei, g); vis.examine_edge(*ei, g);
|
||||
ColorValue v_color = get(vertex_color, v);
|
||||
EColorValue uv_color = get(edge_color, *ei);
|
||||
put(edge_color, *ei, EColor::black());
|
||||
if (v_color == Color::white()) { vis.tree_edge(*ei, g);
|
||||
undir_dfv_impl(g, v, vis, vertex_color, edge_color);
|
||||
} else if (v_color == Color::gray() && uv_color == EColor::white())
|
||||
vis.back_edge(*ei, g);
|
||||
call_finish_edge(vis, *ei, g);
|
||||
}
|
||||
put(vertex_color, u, Color::black()); vis.finish_vertex(u, g);
|
||||
}
|
||||
|
||||
#endif // ! BOOST_RECURSIVE_DFS
|
||||
|
||||
} // namespace detail
|
||||
|
||||
template <typename Graph, typename DFSVisitor,
|
||||
typename VertexColorMap, typename EdgeColorMap,
|
||||
typename Vertex>
|
||||
void
|
||||
undirected_dfs(const Graph& g, DFSVisitor vis,
|
||||
VertexColorMap vertex_color, EdgeColorMap edge_color,
|
||||
Vertex start_vertex)
|
||||
{
|
||||
BOOST_CONCEPT_ASSERT(( DFSVisitorConcept<DFSVisitor, Graph> ));
|
||||
BOOST_CONCEPT_ASSERT(( EdgeListGraphConcept<Graph> ));
|
||||
|
||||
typedef typename property_traits<VertexColorMap>::value_type ColorValue;
|
||||
typedef color_traits<ColorValue> Color;
|
||||
|
||||
typename graph_traits<Graph>::vertex_iterator ui, ui_end;
|
||||
for (boost::tie(ui, ui_end) = vertices(g); ui != ui_end; ++ui) {
|
||||
put(vertex_color, *ui, Color::white()); vis.initialize_vertex(*ui, g);
|
||||
}
|
||||
typename graph_traits<Graph>::edge_iterator ei, ei_end;
|
||||
for (boost::tie(ei, ei_end) = edges(g); ei != ei_end; ++ei)
|
||||
put(edge_color, *ei, Color::white());
|
||||
|
||||
if (start_vertex != *vertices(g).first){ vis.start_vertex(start_vertex, g);
|
||||
detail::undir_dfv_impl(g, start_vertex, vis, vertex_color, edge_color);
|
||||
}
|
||||
|
||||
for (boost::tie(ui, ui_end) = vertices(g); ui != ui_end; ++ui) {
|
||||
ColorValue u_color = get(vertex_color, *ui);
|
||||
if (u_color == Color::white()) { vis.start_vertex(*ui, g);
|
||||
detail::undir_dfv_impl(g, *ui, vis, vertex_color, edge_color);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template <typename Graph, typename DFSVisitor, typename VertexColorMap,
|
||||
typename EdgeColorMap>
|
||||
void
|
||||
undirected_dfs(const Graph& g, DFSVisitor vis,
|
||||
VertexColorMap vertex_color, EdgeColorMap edge_color)
|
||||
{
|
||||
undirected_dfs(g, vis, vertex_color, edge_color, *vertices(g).first);
|
||||
}
|
||||
|
||||
namespace detail {
|
||||
template <typename VertexColorMap>
|
||||
struct udfs_dispatch {
|
||||
|
||||
template <typename Graph, typename Vertex,
|
||||
typename DFSVisitor, typename EdgeColorMap,
|
||||
typename P, typename T, typename R>
|
||||
static void
|
||||
apply(const Graph& g, DFSVisitor vis, Vertex start_vertex,
|
||||
const bgl_named_params<P, T, R>&,
|
||||
EdgeColorMap edge_color,
|
||||
VertexColorMap vertex_color)
|
||||
{
|
||||
undirected_dfs(g, vis, vertex_color, edge_color, start_vertex);
|
||||
}
|
||||
};
|
||||
|
||||
template <>
|
||||
struct udfs_dispatch<param_not_found> {
|
||||
template <typename Graph, typename Vertex, typename DFSVisitor,
|
||||
typename EdgeColorMap,
|
||||
typename P, typename T, typename R>
|
||||
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);
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace detail
|
||||
|
||||
|
||||
// Named Parameter Variant
|
||||
template <typename Graph, typename P, typename T, typename R>
|
||||
void
|
||||
undirected_dfs(const Graph& g,
|
||||
const bgl_named_params<P, T, R>& params)
|
||||
{
|
||||
typedef typename get_param_type< vertex_color_t, bgl_named_params<P, T, R> >::type C;
|
||||
detail::udfs_dispatch<C>::apply
|
||||
(g,
|
||||
choose_param(get_param(params, graph_visitor),
|
||||
make_dfs_visitor(null_visitor())),
|
||||
choose_param(get_param(params, root_vertex_t()),
|
||||
*vertices(g).first),
|
||||
params,
|
||||
get_param(params, edge_color),
|
||||
get_param(params, vertex_color)
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
template <typename IncidenceGraph, typename DFSVisitor,
|
||||
typename VertexColorMap, typename EdgeColorMap>
|
||||
void undirected_depth_first_visit
|
||||
(const IncidenceGraph& g,
|
||||
typename graph_traits<IncidenceGraph>::vertex_descriptor u,
|
||||
DFSVisitor vis, VertexColorMap vertex_color, EdgeColorMap edge_color)
|
||||
{
|
||||
detail::undir_dfv_impl(g, u, vis, vertex_color, edge_color);
|
||||
}
|
||||
|
||||
|
||||
} // namespace boost
|
||||
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user