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) 2008-2012 Bruno Lalande, Paris, France. | |
| 5 | // Copyright (c) 2009-2012 Mateusz Loskot, London, UK. | |
| 6 | ||
| 7 | // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library | |
| 8 | // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. | |
| 9 | ||
| 10 | // Use, modification and distribution is subject to the Boost Software License, | |
| 11 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
| 12 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 13 | ||
| 14 | #ifndef BOOST_GEOMETRY_UTIL_ORDER_AS_DIRECTION_HPP | |
| 15 | #define BOOST_GEOMETRY_UTIL_ORDER_AS_DIRECTION_HPP | |
| 16 | ||
| 17 | #include <boost/geometry/core/point_order.hpp> | |
| 18 | #include <boost/geometry/views/reversible_view.hpp> | |
| 19 | ||
| 20 | namespace boost { namespace geometry | |
| 21 | { | |
| 22 | ||
| 23 | ||
| 24 | template<order_selector Order> | |
| 25 | struct order_as_direction | |
| 26 | {}; | |
| 27 | ||
| 28 | ||
| 29 | template<> | |
| 30 | struct order_as_direction<clockwise> | |
| 31 | { | |
| 32 | static const iterate_direction value = iterate_forward; | |
| 33 | }; | |
| 34 | ||
| 35 | ||
| 36 | template<> | |
| 37 | struct order_as_direction<counterclockwise> | |
| 38 | { | |
| 39 | static const iterate_direction value = iterate_reverse; | |
| 40 | }; | |
| 41 | ||
| 42 | ||
| 43 | }} // namespace boost::geometry | |
| 44 | ||
| 45 | ||
| 46 | #endif // BOOST_GEOMETRY_UTIL_ORDER_AS_DIRECTION_HPP |