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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2014-2022, Oracle and/or its affiliates.
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_TURNS_REMOVE_DUPLICATE_TURNS_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_TURNS_REMOVE_DUPLICATE_TURNS_HPP
#include <algorithm>
#include <boost/geometry/algorithms/detail/equals/point_point.hpp>
namespace boost { namespace geometry
{
namespace detail { namespace turns
{
template <typename Turns, bool Enable>
struct remove_duplicate_turns
{
template <typename Strategy>
static inline void apply(Turns const&, Strategy const&) {}
};
template <typename Turns>
struct remove_duplicate_turns<Turns, true>
{
template <typename Strategy>
static inline void apply(Turns& turns, Strategy const& strategy)
{
turns.erase(
std::unique(turns.begin(), turns.end(),
[&](auto const& t1, auto const& t2)
{
return detail::equals::equals_point_point(t1.point, t2.point, strategy)
&& t1.operations[0].seg_id == t2.operations[0].seg_id
&& t1.operations[1].seg_id == t2.operations[1].seg_id;
}),
turns.end());
}
};
}} // namespace detail::turns
}} // namespect boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_TURNS_REMOVE_DUPLICATE_TURNS_HPP
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