graph_parallel/test/distributed_st_connected_test.cpp
2013-08-12 18:14:58 +00:00

86 lines
2.5 KiB
C++

// Copyright (C) 2004-2006 The Trustees of Indiana University.
// Use, modification and distribution is subject to 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)
// Authors: Nick Edmonds
// Andrew Lumsdaine
#include <boost/graph/use_mpi.hpp>
#include <boost/config.hpp>
#include <boost/throw_exception.hpp>
#include <boost/graph/distributed/adjacency_list.hpp>
#include <boost/graph/random.hpp>
#include <boost/property_map/parallel/distributed_property_map.hpp>
#include <boost/graph/distributed/mpi_process_group.hpp>
#include <boost/graph/distributed/st_connected.hpp>
#include <boost/graph/parallel/distribution.hpp>
#include <boost/graph/small_world_generator.hpp>
#include <iostream>
#include <cstdlib>
#include <iomanip>
#include <boost/random.hpp>
#include <boost/test/minimal.hpp>
#ifdef BOOST_NO_EXCEPTIONS
void
boost::throw_exception(std::exception const& ex)
{
std::cout << ex.what() << std::endl;
abort();
}
#endif
using namespace boost;
using boost::graph::distributed::mpi_process_group;
// Set up the vertex names
enum vertex_id_t { u, v, w, x, y, z, N };
char vertex_names[] = { 'u', 'v', 'w', 'x', 'y', 'z' };
void
test_distributed_st_connected() {
typedef adjacency_list<listS,
distributedS<mpi_process_group, vecS>,
undirectedS,
// Vertex properties
property<vertex_color_t, default_color_type> >
Graph;
// Specify the edges in the graph
{
typedef std::pair<int, int> E;
E edge_array[] = { E(u, u), E(u, v), E(u, w), E(v, w), E(x, y),
E(x, z), E(z, y), E(z, z) };
Graph g(edge_array, edge_array + sizeof(edge_array) / sizeof(E), N);
bool connected = st_connected(g, vertex(u, g), vertex(z, g),
get(vertex_color, g), get(vertex_owner, g));
assert(!connected);
}
{
typedef std::pair<int, int> E;
E edge_array[] = { E(u, v), E(u, w), E(u, x), E(x, v), E(y, x),
E(v, y), E(w, y), E(w, z), E(z, z) };
Graph g(edge_array, edge_array + sizeof(edge_array) / sizeof(E), N);
bool connected = st_connected(g, vertex(u, g), vertex(z, g),
get(vertex_color, g), get(vertex_owner, g));
assert(connected);
}
}
int test_main(int argc, char* argv[])
{
mpi::environment env(argc, argv);
test_distributed_st_connected();
return 0;
}