Added boost header
This commit is contained in:
Christophe Riccio
443
test/external/boost/geometry/algorithms/detail/assign_values.hpp
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443
test/external/boost/geometry/algorithms/detail/assign_values.hpp
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// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2011 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2011 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_ALGORITHMS_ASSIGN_VALUES_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_ASSIGN_VALUES_HPP
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#include <cstddef>
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#include <boost/concept/requires.hpp>
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#include <boost/concept_check.hpp>
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#include <boost/mpl/assert.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/numeric/conversion/bounds.hpp>
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#include <boost/numeric/conversion/cast.hpp>
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#include <boost/type_traits.hpp>
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#include <boost/geometry/arithmetic/arithmetic.hpp>
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#include <boost/geometry/algorithms/append.hpp>
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#include <boost/geometry/algorithms/clear.hpp>
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#include <boost/geometry/core/access.hpp>
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#include <boost/geometry/core/exterior_ring.hpp>
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#include <boost/geometry/core/tags.hpp>
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#include <boost/geometry/geometries/concepts/check.hpp>
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#include <boost/geometry/util/for_each_coordinate.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 assign
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{
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template
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<
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typename Box, std::size_t Index,
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std::size_t Dimension, std::size_t DimensionCount
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>
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struct initialize
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{
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typedef typename coordinate_type<Box>::type coordinate_type;
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static inline void apply(Box& box, coordinate_type const& value)
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{
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geometry::set<Index, Dimension>(box, value);
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initialize<Box, Index, Dimension + 1, DimensionCount>::apply(box, value);
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}
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};
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template <typename Box, std::size_t Index, std::size_t DimensionCount>
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struct initialize<Box, Index, DimensionCount, DimensionCount>
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{
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typedef typename coordinate_type<Box>::type coordinate_type;
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static inline void apply(Box&, coordinate_type const& )
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{}
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};
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template <typename Point>
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struct assign_zero_point
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{
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static inline void apply(Point& point)
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{
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geometry::assign_value(point, 0);
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}
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};
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template <typename BoxOrSegment>
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struct assign_inverse_box_or_segment
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{
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typedef typename point_type<BoxOrSegment>::type point_type;
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static inline void apply(BoxOrSegment& geometry)
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{
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typedef typename coordinate_type<point_type>::type bound_type;
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initialize
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<
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BoxOrSegment, 0, 0, dimension<BoxOrSegment>::type::value
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>::apply(
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geometry, boost::numeric::bounds<bound_type>::highest());
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initialize
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<
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BoxOrSegment, 1, 0, dimension<BoxOrSegment>::type::value
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>::apply(
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geometry, boost::numeric::bounds<bound_type>::lowest());
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}
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};
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template <typename BoxOrSegment>
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struct assign_zero_box_or_segment
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{
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static inline void apply(BoxOrSegment& geometry)
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{
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typedef typename coordinate_type<BoxOrSegment>::type coordinate_type;
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initialize
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<
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BoxOrSegment, 0, 0, dimension<BoxOrSegment>::type::value
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>::apply(geometry, coordinate_type());
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initialize
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<
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BoxOrSegment, 1, 0, dimension<BoxOrSegment>::type::value
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>::apply(geometry, coordinate_type());
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}
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};
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template
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<
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std::size_t Corner1, std::size_t Corner2,
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typename Box, typename Point
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>
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inline void assign_box_2d_corner(Box const& box, Point& point)
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{
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// Be sure both are 2-Dimensional
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assert_dimension<Box, 2>();
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assert_dimension<Point, 2>();
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// Copy coordinates
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typedef typename coordinate_type<Point>::type coordinate_type;
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geometry::set<0>(point, boost::numeric_cast<coordinate_type>(get<Corner1, 0>(box)));
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geometry::set<1>(point, boost::numeric_cast<coordinate_type>(get<Corner2, 1>(box)));
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}
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template
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<
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typename Geometry, typename Point,
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std::size_t Index,
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std::size_t Dimension, std::size_t DimensionCount
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>
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struct assign_point_to_index
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{
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static inline void apply(Point const& point, Geometry& geometry)
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{
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geometry::set<Index, Dimension>(geometry, boost::numeric_cast
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<
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typename coordinate_type<Geometry>::type
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>(geometry::get<Dimension>(point)));
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assign_point_to_index
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<
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Geometry, Point, Index, Dimension + 1, DimensionCount
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>::apply(point, geometry);
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}
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};
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template
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<
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typename Geometry, typename Point,
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std::size_t Index,
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std::size_t DimensionCount
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>
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struct assign_point_to_index
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<
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Geometry, Point,
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Index,
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DimensionCount, DimensionCount
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>
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{
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static inline void apply(Point const& , Geometry& )
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{
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}
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};
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template
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<
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typename Geometry, typename Point,
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std::size_t Index,
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std::size_t Dimension, std::size_t DimensionCount
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>
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struct assign_point_from_index
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{
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static inline void apply(Geometry const& geometry, Point& point)
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{
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geometry::set<Dimension>( point, boost::numeric_cast
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<
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typename coordinate_type<Point>::type
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>(geometry::get<Index, Dimension>(geometry)));
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assign_point_from_index
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<
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Geometry, Point, Index, Dimension + 1, DimensionCount
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>::apply(geometry, point);
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}
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};
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template
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<
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typename Geometry, typename Point,
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std::size_t Index,
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std::size_t DimensionCount
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>
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struct assign_point_from_index
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<
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Geometry, Point,
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Index,
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DimensionCount, DimensionCount
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>
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{
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static inline void apply(Geometry const&, Point&)
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{
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}
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};
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template <typename Geometry>
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struct assign_2d_box_or_segment
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{
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typedef typename coordinate_type<Geometry>::type coordinate_type;
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// Here we assign 4 coordinates to a box of segment
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// -> Most logical is: x1,y1,x2,y2
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// In case the user reverses x1/x2 or y1/y2, for a box, we could reverse them (THAT IS NOT IMPLEMENTED)
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template <typename Type>
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static inline void apply(Geometry& geometry,
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Type const& x1, Type const& y1, Type const& x2, Type const& y2)
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{
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geometry::set<0, 0>(geometry, boost::numeric_cast<coordinate_type>(x1));
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geometry::set<0, 1>(geometry, boost::numeric_cast<coordinate_type>(y1));
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geometry::set<1, 0>(geometry, boost::numeric_cast<coordinate_type>(x2));
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geometry::set<1, 1>(geometry, boost::numeric_cast<coordinate_type>(y2));
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}
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};
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}} // namespace detail::assign
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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 <typename GeometryTag, typename Geometry, std::size_t DimensionCount>
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struct assign
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{
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BOOST_MPL_ASSERT_MSG
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(
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false, NOT_OR_NOT_YET_IMPLEMENTED_FOR_THIS_GEOMETRY_TYPE
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, (types<Geometry>)
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);
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};
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template <typename Point>
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struct assign<point_tag, Point, 2>
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{
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typedef typename coordinate_type<Point>::type coordinate_type;
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template <typename T>
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static inline void apply(Point& point, T const& c1, T const& c2)
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{
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set<0>(point, boost::numeric_cast<coordinate_type>(c1));
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set<1>(point, boost::numeric_cast<coordinate_type>(c2));
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}
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};
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template <typename Point>
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struct assign<point_tag, Point, 3>
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{
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typedef typename coordinate_type<Point>::type coordinate_type;
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template <typename T>
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static inline void apply(Point& point, T const& c1, T const& c2, T const& c3)
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{
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set<0>(point, boost::numeric_cast<coordinate_type>(c1));
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set<1>(point, boost::numeric_cast<coordinate_type>(c2));
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set<2>(point, boost::numeric_cast<coordinate_type>(c3));
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}
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};
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template <typename Box>
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struct assign<box_tag, Box, 2>
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: detail::assign::assign_2d_box_or_segment<Box>
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{};
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template <typename Segment>
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struct assign<segment_tag, Segment, 2>
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: detail::assign::assign_2d_box_or_segment<Segment>
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{};
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template <typename GeometryTag, typename Geometry>
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struct assign_zero {};
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template <typename Point>
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struct assign_zero<point_tag, Point>
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: detail::assign::assign_zero_point<Point>
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{};
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template <typename Box>
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struct assign_zero<box_tag, Box>
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: detail::assign::assign_zero_box_or_segment<Box>
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{};
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template <typename Segment>
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struct assign_zero<segment_tag, Segment>
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: detail::assign::assign_zero_box_or_segment<Segment>
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{};
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template <typename GeometryTag, typename Geometry>
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struct assign_inverse {};
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template <typename Box>
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struct assign_inverse<box_tag, Box>
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: detail::assign::assign_inverse_box_or_segment<Box>
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{};
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template <typename Segment>
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struct assign_inverse<segment_tag, Segment>
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: detail::assign::assign_inverse_box_or_segment<Segment>
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{};
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} // namespace dispatch
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#endif // DOXYGEN_NO_DISPATCH
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/*!
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\brief Assign two coordinates to a geometry (usually a 2D point)
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\ingroup assign
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\tparam Geometry \tparam_geometry
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\tparam Type \tparam_numeric to specify the coordinates
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\param geometry \param_geometry
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\param c1 \param_x
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\param c2 \param_y
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\qbk{distinguish, 2 coordinate values}
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\qbk{
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[heading Example]
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[assign_2d_point] [assign_2d_point_output]
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[heading See also]
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\* [link geometry.reference.algorithms.make.make_2_2_coordinate_values make]
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}
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*/
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template <typename Geometry, typename Type>
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inline void assign_values(Geometry& geometry, Type const& c1, Type const& c2)
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{
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concept::check<Geometry>();
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dispatch::assign
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<
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typename tag<Geometry>::type,
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Geometry,
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geometry::dimension<Geometry>::type::value
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>::apply(geometry, c1, c2);
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}
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/*!
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\brief Assign three values to a geometry (usually a 3D point)
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\ingroup assign
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\tparam Geometry \tparam_geometry
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\tparam Type \tparam_numeric to specify the coordinates
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\param geometry \param_geometry
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\param c1 \param_x
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\param c2 \param_y
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\param c3 \param_z
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\qbk{distinguish, 3 coordinate values}
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\qbk{
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[heading Example]
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[assign_3d_point] [assign_3d_point_output]
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[heading See also]
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\* [link geometry.reference.algorithms.make.make_3_3_coordinate_values make]
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}
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*/
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template <typename Geometry, typename Type>
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inline void assign_values(Geometry& geometry,
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Type const& c1, Type const& c2, Type const& c3)
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{
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concept::check<Geometry>();
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dispatch::assign
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<
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typename tag<Geometry>::type,
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Geometry,
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geometry::dimension<Geometry>::type::value
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>::apply(geometry, c1, c2, c3);
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}
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/*!
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\brief Assign four values to a geometry (usually a box or segment)
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\ingroup assign
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\tparam Geometry \tparam_geometry
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\tparam Type \tparam_numeric to specify the coordinates
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\param geometry \param_geometry
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\param c1 First coordinate (usually x1)
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\param c2 Second coordinate (usually y1)
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\param c3 Third coordinate (usually x2)
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\param c4 Fourth coordinate (usually y2)
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\qbk{distinguish, 4 coordinate values}
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*/
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template <typename Geometry, typename Type>
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inline void assign_values(Geometry& geometry,
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Type const& c1, Type const& c2, Type const& c3, Type const& c4)
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{
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concept::check<Geometry>();
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dispatch::assign
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<
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typename tag<Geometry>::type,
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Geometry,
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geometry::dimension<Geometry>::type::value
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>::apply(geometry, c1, c2, c3, c4);
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}
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ALGORITHMS_ASSIGN_VALUES_HPP
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