eg1-iso.cpp
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// Boost.Graph library isomorphism test
// Copyright (C) 2001 Douglas Gregor (gregod@cs.rpi.edu)
//
// 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)
// For more information, see http://www.boost.org
//
// Revision History:
//
// 29 Nov 2001 Jeremy Siek
// Changed to use Boost.Random.
// 29 Nov 2001 Doug Gregor
// Initial checkin.
#define BOOST_INCLUDE_MAIN
#include <boost/test/test_tools.hpp>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/isomorphism.hpp>
//#include "isomorphism-v3.hpp"
#include <boost/property_map/property_map.hpp>
#include <iostream>
#include <fstream>
#include <map>
#include <algorithm>
#include <cstdlib>
#include <ctime>
using namespace boost;
enum
{
a,
b,
c,
d,
e,
f,
g,
h
};
enum
{
_1,
_2,
_3,
_4,
_5,
_6,
_7,
_8
};
void test_isomorphism()
{
typedef adjacency_list< vecS, vecS, bidirectionalS > GraphA;
typedef adjacency_list< vecS, vecS, bidirectionalS > GraphB;
char a_names[] = "abcdefgh";
char b_names[] = "12345678";
GraphA Ga(8);
add_edge(a, d, Ga);
add_edge(a, h, Ga);
add_edge(b, c, Ga);
add_edge(b, e, Ga);
add_edge(c, f, Ga);
add_edge(d, a, Ga);
add_edge(d, h, Ga);
add_edge(e, b, Ga);
add_edge(f, b, Ga);
add_edge(f, e, Ga);
add_edge(g, d, Ga);
add_edge(g, f, Ga);
add_edge(h, c, Ga);
add_edge(h, g, Ga);
GraphB Gb(8);
add_edge(_1, _6, Gb);
add_edge(_2, _1, Gb);
add_edge(_2, _5, Gb);
add_edge(_3, _2, Gb);
add_edge(_3, _4, Gb);
add_edge(_4, _2, Gb);
add_edge(_4, _3, Gb);
add_edge(_5, _4, Gb);
add_edge(_5, _6, Gb);
add_edge(_6, _7, Gb);
add_edge(_6, _8, Gb);
add_edge(_7, _8, Gb);
add_edge(_8, _1, Gb);
add_edge(_8, _7, Gb);
std::vector< std::size_t > in_degree_A(num_vertices(Ga));
boost::detail::compute_in_degree(Ga, &in_degree_A[0]);
std::vector< std::size_t > in_degree_B(num_vertices(Gb));
boost::detail::compute_in_degree(Gb, &in_degree_B[0]);
degree_vertex_invariant< std::size_t*, GraphA > invariantA(
&in_degree_A[0], Ga);
degree_vertex_invariant< std::size_t*, GraphB > invariantB(
&in_degree_B[0], Gb);
std::vector< graph_traits< GraphB >::vertex_descriptor > f(
num_vertices(Ga));
bool ret = isomorphism(Ga, Gb, &f[0], invariantA, invariantB,
(invariantB.max)(), get(vertex_index, Ga), get(vertex_index, Gb));
assert(ret == true);
for (std::size_t i = 0; i < num_vertices(Ga); ++i)
std::cout << "f(" << a_names[i] << ")=" << b_names[f[i]] << std::endl;
BOOST_TEST(verify_isomorphism(Ga, Gb, &f[0]));
}
int test_main(int, char*[])
{
test_isomorphism();
return boost::report_errors();
}