Added boost header
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178
test/external/boost/geometry/geometries/point.hpp
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178
test/external/boost/geometry/geometries/point.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_GEOMETRIES_POINT_HPP
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#define BOOST_GEOMETRY_GEOMETRIES_POINT_HPP
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#include <cstddef>
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#include <boost/mpl/int.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/geometry/core/access.hpp>
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#include <boost/geometry/core/coordinate_type.hpp>
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#include <boost/geometry/core/coordinate_system.hpp>
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#include <boost/geometry/core/coordinate_dimension.hpp>
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#include <boost/geometry/util/math.hpp>
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namespace boost { namespace geometry
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{
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namespace model
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{
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/*!
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\brief Basic point class, having coordinates defined in a neutral way
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\details Defines a neutral point class, fulfilling the Point Concept.
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Library users can use this point class, or use their own point classes.
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This point class is used in most of the samples and tests of Boost.Geometry
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This point class is used occasionally within the library, where a temporary
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point class is necessary.
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\ingroup geometries
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\tparam CoordinateType \tparam_numeric
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\tparam DimensionCount number of coordinates, usually 2 or 3
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\tparam CoordinateSystem coordinate system, for example cs::cartesian
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\qbk{[include reference/geometries/point.qbk]}
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\qbk{before.synopsis, [heading Model of]}
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\qbk{before.synopsis, [link geometry.reference.concepts.concept_point Point Concept]}
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*/
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template
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<
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typename CoordinateType,
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std::size_t DimensionCount,
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typename CoordinateSystem
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>
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class point
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{
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public:
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/// @brief Default constructor, no initialization
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inline point()
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{}
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/// @brief Constructor to set one, two or three values
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inline point(CoordinateType const& v0, CoordinateType const& v1 = 0, CoordinateType const& v2 = 0)
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{
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if (DimensionCount >= 1) m_values[0] = v0;
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if (DimensionCount >= 2) m_values[1] = v1;
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if (DimensionCount >= 3) m_values[2] = v2;
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}
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/// @brief Get a coordinate
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/// @tparam K coordinate to get
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/// @return the coordinate
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template <std::size_t K>
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inline CoordinateType const& get() const
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{
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BOOST_STATIC_ASSERT(K < DimensionCount);
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return m_values[K];
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}
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/// @brief Set a coordinate
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/// @tparam K coordinate to set
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/// @param value value to set
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template <std::size_t K>
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inline void set(CoordinateType const& value)
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{
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BOOST_STATIC_ASSERT(K < DimensionCount);
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m_values[K] = value;
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}
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private:
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CoordinateType m_values[DimensionCount];
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};
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} // namespace model
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// Adapt the point to the concept
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#ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
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namespace traits
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{
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template
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<
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typename CoordinateType,
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std::size_t DimensionCount,
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typename CoordinateSystem
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>
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struct tag<model::point<CoordinateType, DimensionCount, CoordinateSystem> >
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{
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typedef point_tag type;
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};
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template
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<
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typename CoordinateType,
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std::size_t DimensionCount,
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typename CoordinateSystem
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>
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struct coordinate_type<model::point<CoordinateType, DimensionCount, CoordinateSystem> >
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{
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typedef CoordinateType type;
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};
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template
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<
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typename CoordinateType,
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std::size_t DimensionCount,
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typename CoordinateSystem
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>
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struct coordinate_system<model::point<CoordinateType, DimensionCount, CoordinateSystem> >
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{
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typedef CoordinateSystem type;
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};
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template
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<
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typename CoordinateType,
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std::size_t DimensionCount,
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typename CoordinateSystem
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>
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struct dimension<model::point<CoordinateType, DimensionCount, CoordinateSystem> >
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: boost::mpl::int_<DimensionCount>
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{};
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template
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<
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typename CoordinateType,
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std::size_t DimensionCount,
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typename CoordinateSystem,
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std::size_t Dimension
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>
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struct access<model::point<CoordinateType, DimensionCount, CoordinateSystem>, Dimension>
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{
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static inline CoordinateType get(
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model::point<CoordinateType, DimensionCount, CoordinateSystem> const& p)
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{
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return p.template get<Dimension>();
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}
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static inline void set(
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model::point<CoordinateType, DimensionCount, CoordinateSystem>& p,
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CoordinateType const& value)
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{
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p.template set<Dimension>(value);
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}
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};
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} // namespace traits
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#endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_GEOMETRIES_POINT_HPP
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