| // 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 |