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- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Unit Test
- // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
- // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
- // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
- // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
- // (geolib/GGL), copyright (c) 1995-2010 Geodan, 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)
- #include <boost/geometry/core/cs.hpp>
- #include <boost/geometry/geometries/concepts/check.hpp>
- struct ro_point
- {
- float x, y;
- };
- struct rw_point
- {
- float x, y;
- };
- namespace boost { namespace geometry { namespace traits {
- template <> struct tag<ro_point> { typedef point_tag type; };
- template <> struct coordinate_type<ro_point> { typedef float type; };
- template <> struct coordinate_system<ro_point> { typedef bg::cs::cartesian type; };
- template <> struct dimension<ro_point> { enum { value = 2 }; };
- template <> struct access<ro_point, 0>
- {
- static float get(ro_point const& p) { return p.x; }
- };
- template <> struct access<ro_point, 1>
- {
- static float get(ro_point const& p) { return p.y; }
- };
- template <> struct tag<rw_point> { typedef point_tag type; };
- template <> struct coordinate_type<rw_point> { typedef float type; };
- template <> struct coordinate_system<rw_point> { typedef bg::cs::cartesian type; };
- template <> struct dimension<rw_point> { enum { value = 2 }; };
- template <> struct access<rw_point, 0>
- {
- static float get(rw_point const& p) { return p.x; }
- static void set(rw_point& p, float value) { p.x = value; }
- };
- template <> struct access<rw_point, 1>
- {
- static float get(rw_point const& p) { return p.y; }
- static void set(rw_point& p, float value) { p.y = value; }
- };
- }}} // namespace bg::traits
- int main()
- {
- bg::concepts::check<const ro_point>();
- bg::concepts::check<rw_point>();
- }
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