244 lines
6.0 KiB
C++
244 lines
6.0 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_CHECK_HPP
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#define BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_CHECK_HPP
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#include <boost/concept_check.hpp>
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#include <boost/concept/requires.hpp>
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#include <boost/type_traits/is_const.hpp>
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#include <boost/variant/variant_fwd.hpp>
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#include <boost/geometry/core/tag.hpp>
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#include <boost/geometry/core/tags.hpp>
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#include <boost/geometry/geometries/concepts/box_concept.hpp>
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#include <boost/geometry/geometries/concepts/linestring_concept.hpp>
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#include <boost/geometry/geometries/concepts/multi_point_concept.hpp>
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#include <boost/geometry/geometries/concepts/multi_linestring_concept.hpp>
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#include <boost/geometry/geometries/concepts/multi_polygon_concept.hpp>
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#include <boost/geometry/geometries/concepts/point_concept.hpp>
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#include <boost/geometry/geometries/concepts/polygon_concept.hpp>
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#include <boost/geometry/geometries/concepts/ring_concept.hpp>
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#include <boost/geometry/geometries/concepts/segment_concept.hpp>
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#include <boost/geometry/algorithms/not_implemented.hpp>
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail { namespace concept_check
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{
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template <typename Concept>
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class check
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{
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BOOST_CONCEPT_ASSERT((Concept ));
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};
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}} // namespace detail::concept_check
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#endif // DOXYGEN_NO_DETAIL
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#ifndef DOXYGEN_NO_DISPATCH
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namespace dispatch
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{
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template
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<
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typename Geometry,
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typename GeometryTag = typename geometry::tag<Geometry>::type,
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bool IsConst = boost::is_const<Geometry>::type::value
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>
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struct check : not_implemented<GeometryTag>
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{};
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template <typename Geometry>
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struct check<Geometry, point_tag, true>
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: detail::concept_check::check<concepts::ConstPoint<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, point_tag, false>
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: detail::concept_check::check<concepts::Point<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, linestring_tag, true>
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: detail::concept_check::check<concepts::ConstLinestring<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, linestring_tag, false>
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: detail::concept_check::check<concepts::Linestring<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, ring_tag, true>
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: detail::concept_check::check<concepts::ConstRing<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, ring_tag, false>
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: detail::concept_check::check<concepts::Ring<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, polygon_tag, true>
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: detail::concept_check::check<concepts::ConstPolygon<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, polygon_tag, false>
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: detail::concept_check::check<concepts::Polygon<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, box_tag, true>
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: detail::concept_check::check<concepts::ConstBox<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, box_tag, false>
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: detail::concept_check::check<concepts::Box<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, segment_tag, true>
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: detail::concept_check::check<concepts::ConstSegment<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, segment_tag, false>
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: detail::concept_check::check<concepts::Segment<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, multi_point_tag, true>
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: detail::concept_check::check<concepts::ConstMultiPoint<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, multi_point_tag, false>
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: detail::concept_check::check<concepts::MultiPoint<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, multi_linestring_tag, true>
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: detail::concept_check::check<concepts::ConstMultiLinestring<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, multi_linestring_tag, false>
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: detail::concept_check::check<concepts::MultiLinestring<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, multi_polygon_tag, true>
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: detail::concept_check::check<concepts::ConstMultiPolygon<Geometry> >
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{};
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template <typename Geometry>
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struct check<Geometry, multi_polygon_tag, false>
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: detail::concept_check::check<concepts::MultiPolygon<Geometry> >
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{};
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} // namespace dispatch
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#endif
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namespace concepts
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail
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{
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template <typename Geometry>
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struct checker : dispatch::check<Geometry>
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{};
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template <BOOST_VARIANT_ENUM_PARAMS(typename T)>
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struct checker<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> >
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{};
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template <BOOST_VARIANT_ENUM_PARAMS(typename T)>
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struct checker<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> const>
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{};
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}
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#endif // DOXYGEN_NO_DETAIL
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/*!
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\brief Checks, in compile-time, the concept of any geometry
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\ingroup concepts
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*/
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template <typename Geometry>
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inline void check()
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{
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detail::checker<Geometry> c;
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boost::ignore_unused_variable_warning(c);
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}
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/*!
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\brief Checks, in compile-time, the concept of two geometries, and if they
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have equal dimensions
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\ingroup concepts
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*/
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template <typename Geometry1, typename Geometry2>
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inline void check_concepts_and_equal_dimensions()
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{
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check<Geometry1>();
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check<Geometry2>();
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assert_dimension_equal<Geometry1, Geometry2>();
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}
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} // namespace concepts
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_CHECK_HPP
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