add boost on mac
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macx64/include/boost/geometry/algorithms/num_points.hpp
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211
macx64/include/boost/geometry/algorithms/num_points.hpp
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// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2014 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2014 Mateusz Loskot, London, UK.
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// Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland.
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// This file was modified by Oracle on 2014.
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// Modifications copyright (c) 2014, Oracle and/or its affiliates.
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// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
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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_NUM_POINTS_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_NUM_POINTS_HPP
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#include <cstddef>
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#include <boost/mpl/size_t.hpp>
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#include <boost/range.hpp>
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#include <boost/variant/apply_visitor.hpp>
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#include <boost/variant/static_visitor.hpp>
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#include <boost/variant/variant_fwd.hpp>
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#include <boost/geometry/core/closure.hpp>
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#include <boost/geometry/core/coordinate_dimension.hpp>
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#include <boost/geometry/core/tag_cast.hpp>
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#include <boost/geometry/core/tags.hpp>
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#include <boost/geometry/algorithms/not_implemented.hpp>
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#include <boost/geometry/algorithms/detail/counting.hpp>
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#include <boost/geometry/geometries/concepts/check.hpp>
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namespace boost { namespace geometry
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{
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// Silence warning C4127: conditional expression is constant
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#if defined(_MSC_VER)
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#pragma warning(push)
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#pragma warning(disable : 4127)
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#endif
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail { namespace num_points
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{
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template <bool AddForOpen>
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struct range_count
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{
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template <typename Range>
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static inline std::size_t apply(Range const& range)
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{
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std::size_t n = boost::size(range);
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if (AddForOpen
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&& n > 0
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&& geometry::closure<Range>::value == open
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)
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{
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return n + 1;
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}
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return n;
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}
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};
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}} // namespace detail::num_points
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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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bool AddForOpen,
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typename Tag = typename tag_cast
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<
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typename tag<Geometry>::type, multi_tag
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>::type
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>
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struct num_points: not_implemented<Tag>
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{};
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template <typename Geometry, bool AddForOpen>
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struct num_points<Geometry, AddForOpen, point_tag>
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: detail::counting::other_count<1>
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{};
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template <typename Geometry, bool AddForOpen>
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struct num_points<Geometry, AddForOpen, box_tag>
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: detail::counting::other_count<(1 << geometry::dimension<Geometry>::value)>
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{};
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template <typename Geometry, bool AddForOpen>
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struct num_points<Geometry, AddForOpen, segment_tag>
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: detail::counting::other_count<2>
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{};
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template <typename Geometry, bool AddForOpen>
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struct num_points<Geometry, AddForOpen, linestring_tag>
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: detail::num_points::range_count<AddForOpen>
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{};
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template <typename Geometry, bool AddForOpen>
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struct num_points<Geometry, AddForOpen, ring_tag>
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: detail::num_points::range_count<AddForOpen>
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{};
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template <typename Geometry, bool AddForOpen>
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struct num_points<Geometry, AddForOpen, polygon_tag>
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: detail::counting::polygon_count
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<
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detail::num_points::range_count<AddForOpen>
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>
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{};
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template <typename Geometry, bool AddForOpen>
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struct num_points<Geometry, AddForOpen, multi_tag>
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: detail::counting::multi_count
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<
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num_points<typename boost::range_value<Geometry>::type, AddForOpen>
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>
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{};
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} // namespace dispatch
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#endif
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namespace resolve_variant
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{
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template <typename Geometry>
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struct num_points
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{
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static inline std::size_t apply(Geometry const& geometry,
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bool add_for_open)
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{
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concepts::check<Geometry const>();
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return add_for_open
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? dispatch::num_points<Geometry, true>::apply(geometry)
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: dispatch::num_points<Geometry, false>::apply(geometry);
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}
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};
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template <BOOST_VARIANT_ENUM_PARAMS(typename T)>
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struct num_points<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> >
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{
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struct visitor: boost::static_visitor<std::size_t>
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{
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bool m_add_for_open;
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visitor(bool add_for_open): m_add_for_open(add_for_open) {}
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template <typename Geometry>
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inline std::size_t operator()(Geometry const& geometry) const
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{
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return num_points<Geometry>::apply(geometry, m_add_for_open);
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}
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};
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static inline std::size_t
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apply(boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> const& geometry,
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bool add_for_open)
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{
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return boost::apply_visitor(visitor(add_for_open), geometry);
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}
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};
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} // namespace resolve_variant
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/*!
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\brief \brief_calc{number of points}
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\ingroup num_points
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\details \details_calc{num_points, number of points}.
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\tparam Geometry \tparam_geometry
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\param geometry \param_geometry
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\param add_for_open add one for open geometries (i.e. polygon types which are not closed)
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\return \return_calc{number of points}
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\qbk{[include reference/algorithms/num_points.qbk]}
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*/
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template <typename Geometry>
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inline std::size_t num_points(Geometry const& geometry, bool add_for_open = false)
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{
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return resolve_variant::num_points<Geometry>::apply(geometry, add_for_open);
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}
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#if defined(_MSC_VER)
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#pragma warning(pop)
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#endif
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ALGORITHMS_NUM_POINTS_HPP
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