graph/test/hawick_circuits.cpp
2023-05-04 07:43:58 -05:00

68 lines
2.2 KiB
C++

// (C) Copyright 2013 Louis Dionne
//
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0 (See accompanying file
// LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
#include "cycle_test.hpp"
#include <boost/graph/hawick_circuits.hpp>
#include <iostream>
struct call_hawick_circuits
{
unsigned int max_length;
call_hawick_circuits(unsigned int ml = 0) : max_length(ml) {}
template < typename Graph, typename Visitor >
void operator()(Graph const& g, Visitor const& v) const
{
boost::hawick_circuits(g, v, max_length);
}
};
struct call_hawick_unique_circuits
{
unsigned int max_length;
call_hawick_unique_circuits(unsigned int ml = 0) : max_length(ml) {}
template < typename Graph, typename Visitor >
void operator()(Graph const& g, Visitor const& v) const
{
boost::hawick_unique_circuits(g, v, max_length);
}
};
int main()
{
// The last two arguments to cycle_test() are the expected (correct)
// number of circuits in the undirected and directed test graphs.
std::cout << "---------hawick_circuits---------\n";
cycle_test(call_hawick_circuits(), 30, 31);
std::cout << "\n\n---------hawick_unique_circuits---------\n";
cycle_test(call_hawick_unique_circuits(), 27, 24);
// Correct values for max_length = 0 to 10
// undirected
std::size_t nc1[] = { 30, 0, 22, 26, 28, 30, 30, 30, 30, 30, 30 };
// directed
std::size_t nc2[] = { 31, 0, 3, 7, 13, 17, 22, 24, 27, 30, 31 };
// undirected, unique
std::size_t nc3[] = { 27, 0, 19, 23, 25, 27, 27, 27, 27, 27, 27 };
// directed, unique
std::size_t nc4[] = { 24, 0, 3, 6, 10, 13, 17, 19, 21, 23, 24 };
for (unsigned int ml = 0; ml <= 10; ++ml) {
std::cout << "\n\n---------hawick_circuits(max_length = " << ml;
std::cout << ")---------\n";
cycle_test(call_hawick_circuits(ml), nc1[ml], nc2[ml]);
std::cout << "\n\n---------hawick_unique_circuits(max_length = " << ml;
std::cout << ")---------\n";
cycle_test(call_hawick_unique_circuits(ml), nc3[ml], nc4[ml]);
}
std::cout << "\n\n";
return boost::report_errors();
}