graph_similarity.cc 2.36 KB
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// graph-tool -- a general graph modification and manipulation thingy
//
// Copyright (C) 2006-2015 Tiago de Paula Peixoto <tiago@skewed.de>
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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 the Free Software Foundation; either version 3
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.

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#include "graph_python_interface.hh"

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#include "graph.hh"
#include "graph_filtering.hh"
#include "graph_properties.hh"
#include "graph_selectors.hh"

#include "graph_similarity.hh"

using namespace std;
using namespace boost;
using namespace graph_tool;

struct get_pointers
{
    template <class List>
    struct apply
    {
        typedef typename mpl::transform<List,
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                                        mpl::quote1<std::add_pointer> >::type type;
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    };
};


size_t similarity(GraphInterface& gi1, GraphInterface& gi2, boost::any label1,
                  boost::any label2)
{
    size_t s = 0;
    run_action<>()
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        (gi1, std::bind(get_similarity(), std::placeholders::_1, std::placeholders::_2,
                        std::placeholders::_3, label2, std::ref(s)),
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         get_pointers::apply<graph_tool::detail::all_graph_views>::type(),
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         writable_vertex_properties())
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        (gi2.get_graph_view(), label1);
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    return s;
}

size_t similarity_fast(GraphInterface& gi1, GraphInterface& gi2, boost::any label1,
                       boost::any label2)
{
    size_t s = 0;
    run_action<graph_tool::detail::all_graph_views, boost::mpl::true_>()
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        (gi1, std::bind(get_similarity_fast(), std::placeholders::_1, std::placeholders::_2,
                        std::placeholders::_3, label2, std::ref(s)),
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         get_pointers::apply<graph_tool::detail::all_graph_views>::type(),
         vertex_integer_properties())
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        (gi2.get_graph_view(), label1);
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    return s;
}

void export_similarity()
{
    python::def("similarity", &similarity);
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    python::def("similarity_fast", &similarity_fast);
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};