projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
| 2 | ||
| 3 | // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. | |
| 4 | // Copyright (c) 2013 Adam Wulkiewicz, Lodz, Poland | |
| 5 | ||
| 6 | // Use, modification and distribution is subject to the Boost Software License, | |
| 7 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
| 8 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 9 | ||
| 10 | #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_DO_REVERSE_HPP | |
| 11 | #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_DO_REVERSE_HPP | |
| 12 | ||
| 13 | #include <boost/geometry/core/point_order.hpp> | |
| 14 | ||
| 15 | namespace boost { namespace geometry | |
| 16 | { | |
| 17 | ||
| 18 | ||
| 19 | #ifndef DOXYGEN_NO_DETAIL | |
| 20 | namespace detail { namespace overlay | |
| 21 | { | |
| 22 | ||
| 23 | // Metafunction helper for intersection and union | |
| 24 | template <order_selector Selector, bool Reverse = false> | |
| 25 | struct do_reverse {}; | |
| 26 | ||
| 27 | template <> | |
| 28 | struct do_reverse<clockwise, false> : boost::false_type {}; | |
| 29 | ||
| 30 | template <> | |
| 31 | struct do_reverse<clockwise, true> : boost::true_type {}; | |
| 32 | ||
| 33 | template <> | |
| 34 | struct do_reverse<counterclockwise, false> : boost::true_type {}; | |
| 35 | ||
| 36 | template <> | |
| 37 | struct do_reverse<counterclockwise, true> : boost::false_type {}; | |
| 38 | ||
| 39 | ||
| 40 | }} // namespace detail::overlay | |
| 41 | #endif // DOXYGEN_NO_DETAIL | |
| 42 | ||
| 43 | ||
| 44 | }} // namespace boost::geometry | |
| 45 | ||
| 46 | ||
| 47 | #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_DO_REVERSE_HPP |