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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. | |
4 | ||
5 | // Use, modification and distribution is subject to the Boost Software License, | |
6 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
7 | // http://www.boost.org/LICENSE_1_0.txt) | |
8 | ||
9 | #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_APPEND_NO_DUPLICATES_HPP | |
10 | #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_APPEND_NO_DUPLICATES_HPP | |
11 | ||
12 | ||
13 | #include <boost/range.hpp> | |
14 | ||
15 | #include <boost/geometry/algorithms/append.hpp> | |
16 | #include <boost/geometry/algorithms/detail/equals/point_point.hpp> | |
17 | ||
18 | ||
19 | ||
20 | namespace boost { namespace geometry | |
21 | { | |
22 | ||
23 | ||
24 | #ifndef DOXYGEN_NO_DETAIL | |
25 | namespace detail { namespace overlay | |
26 | { | |
27 | ||
28 | template <typename Range, typename Point> | |
29 | inline void append_no_duplicates(Range& range, Point const& point, bool force = false) | |
30 | { | |
31 | if (boost::size(range) == 0 | |
32 | || force | |
33 | || ! geometry::detail::equals::equals_point_point(*(boost::end(range)-1), point)) | |
34 | { | |
35 | #ifdef BOOST_GEOMETRY_DEBUG_INTERSECTION | |
36 | std::cout << " add: (" | |
37 | << geometry::get<0>(point) << ", " << geometry::get<1>(point) << ")" | |
38 | << std::endl; | |
39 | #endif | |
40 | geometry::append(range, point); | |
41 | } | |
42 | } | |
43 | ||
44 | ||
45 | }} // namespace detail::overlay | |
46 | #endif // DOXYGEN_NO_DETAIL | |
47 | ||
48 | ||
49 | ||
50 | }} // namespace boost::geometry | |
51 | ||
52 | ||
53 | #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_APPEND_NO_DUPLICATES_HPP |