pan.cpp

/*****************************************************************************
 *   Copyright (C) 2004-2015 The PaGMO development team,                     *
 *   Advanced Concepts Team (ACT), European Space Agency (ESA)               *
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 *   https://github.com/esa/pagmo                                            *
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 *   act@esa.int                                                             *
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 *   This program is free software; you can redistribute it and/or modify    *
 *   it under the terms of the GNU General Public License as published by    *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
 *   GNU General Public License for more details.                            *
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 *   Free Software Foundation, Inc.,                                         *
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 *****************************************************************************/

#include <string>

#include "base.h"
#include "pan.h"

namespace pagmo { namespace topology {

pan::pan():base() {}

base_ptr pan::clone() const
{
        return base_ptr(new pan(*this));
}

void pan::connect(const vertices_size_type &n)
{
        switch(n)
        {
                case 0:
                        break;
                case 1:
                        // Add connection from the newly added node to the zeroth.
                        add_edge(1,0);
                        break;
                case 2:
                        add_edge(1,2);
                        add_edge(2,1);
                        break;
                case 3:
                        add_edge(2,3);
                        add_edge(3,2);
                        add_edge(1,3);
                        add_edge(3,1);
                        break;
                default:
                        remove_edge(n - 1,1);
                        remove_edge(1,n - 1);
                        add_edge(n - 1,n);
                        add_edge(n,n - 1);
                        add_edge(1,n);
                        add_edge(n,1);
        }
}

std::string pan::get_name() const
{
        return "Pan graph";
}

}} //namespaces

BOOST_CLASS_EXPORT_IMPLEMENT(pagmo::topology::pan)