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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2012 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_APPEND_NO_DUPLICATES_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_APPEND_NO_DUPLICATES_HPP
#include <boost/range.hpp>
#include <boost/geometry/algorithms/append.hpp>
#include <boost/geometry/algorithms/detail/equals/point_point.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace overlay
{
template <typename Range, typename Point>
inline void append_no_duplicates(Range& range, Point const& point, bool force = false)
{
if (boost::size(range) == 0
|| force
|| ! geometry::detail::equals::equals_point_point(*(boost::end(range)-1), point))
{
#ifdef BOOST_GEOMETRY_DEBUG_INTERSECTION
std::cout << " add: ("
<< geometry::get<0>(point) << ", " << geometry::get<1>(point) << ")"
<< std::endl;
#endif
geometry::append(range, point);
}
}
}} // namespace detail::overlay
#endif // DOXYGEN_NO_DETAIL
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_APPEND_NO_DUPLICATES_HPP
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