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// Copyright (C) 2002 Trustees of Indiana University
// 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/graph/adjacency_list.hpp>
#include <boost/graph/dag_shortest_paths.hpp>
#include <boost/property_map/vector_property_map.hpp>
#include <boost/core/lightweight_test.hpp>
using namespace boost;
#include <iostream>
using namespace std;
int main(int, char*[])
{
typedef adjacency_list< vecS, vecS, directedS, no_property,
property< edge_weight_t, int > >
Graph;
Graph graph;
(void)add_vertex(graph);
(void)add_vertex(graph);
(void)add_vertex(graph);
(void)add_vertex(graph);
Graph::edge_descriptor e;
e = add_edge(0, 1, graph).first;
put(edge_weight, graph, e, 1);
e = add_edge(1, 2, graph).first;
put(edge_weight, graph, e, 1);
e = add_edge(3, 1, graph).first;
put(edge_weight, graph, e, 5);
vector_property_map< int > distance;
dag_shortest_paths(graph, 0,
distance_map(distance)
.distance_compare(std::greater< int >())
.distance_inf((std::numeric_limits< int >::min)())
.distance_zero(0));
cout << distance[2] << "\n";
BOOST_TEST(distance[2] == 2);
return boost::report_errors();
}
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