// Boost.Geometry (aka GGL, Generic Geometry Library)

// Copyright (c) 2007-2016 Barend Gehrels, Amsterdam, the Netherlands.

// 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)

#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_CLUSTER_INFO_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_CLUSTER_INFO_HPP


#include <set>
#include <boost/geometry/algorithms/detail/signed_size_type.hpp>


namespace boost { namespace geometry
{

#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace overlay
{


struct cluster_info
{
    std::set<signed_size_type> turn_indices;

    //! Number of open spaces (e.g. 2 for touch)
    std::size_t open_count{0};

    //! Number of spikes, where a segment goes to the cluster point
    //! and leaves immediately in the opposite direction.
    std::size_t spike_count{0};
};


}} // namespace detail::overlay
#endif //DOXYGEN_NO_DETAIL


}} // namespace boost::geometry


#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_CLUSTER_INFO_HPP