diff DEPENDENCIES/generic/include/boost/geometry/algorithms/expand.hpp @ 16:2665513ce2d3

Add boost headers

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DEPENDENCIES/generic/include/boost/geometry/algorithms/expand.hpp	Tue Aug 05 11:11:38 2014 +0100
@@ -0,0 +1,300 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// 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)
+
+#ifndef BOOST_GEOMETRY_ALGORITHMS_EXPAND_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_EXPAND_HPP
+
+
+#include <cstddef>
+
+#include <boost/numeric/conversion/cast.hpp>
+
+#include <boost/geometry/algorithms/not_implemented.hpp>
+#include <boost/geometry/core/coordinate_dimension.hpp>
+#include <boost/geometry/geometries/concepts/check.hpp>
+
+#include <boost/geometry/util/select_coordinate_type.hpp>
+
+#include <boost/geometry/strategies/compare.hpp>
+#include <boost/geometry/policies/compare.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail { namespace expand
+{
+
+
+template
+<
+    typename StrategyLess, typename StrategyGreater,
+    std::size_t Dimension, std::size_t DimensionCount
+>
+struct point_loop
+{
+    template <typename Box, typename Point>
+    static inline void apply(Box& box, Point const& source)
+    {
+        typedef typename strategy::compare::detail::select_strategy
+            <
+                StrategyLess, 1, Point, Dimension
+            >::type less_type;
+
+        typedef typename strategy::compare::detail::select_strategy
+            <
+                StrategyGreater, -1, Point, Dimension
+            >::type greater_type;
+
+        typedef typename select_coordinate_type<Point, Box>::type coordinate_type;
+
+        less_type less;
+        greater_type greater;
+
+        coordinate_type const coord = get<Dimension>(source);
+
+        if (less(coord, get<min_corner, Dimension>(box)))
+        {
+            set<min_corner, Dimension>(box, coord);
+        }
+
+        if (greater(coord, get<max_corner, Dimension>(box)))
+        {
+            set<max_corner, Dimension>(box, coord);
+        }
+
+        point_loop
+            <
+                StrategyLess, StrategyGreater,
+                Dimension + 1, DimensionCount
+            >::apply(box, source);
+    }
+};
+
+
+template
+<
+    typename StrategyLess, typename StrategyGreater,
+    std::size_t DimensionCount
+>
+struct point_loop
+    <
+        StrategyLess, StrategyGreater,
+        DimensionCount, DimensionCount
+    >
+{
+    template <typename Box, typename Point>
+    static inline void apply(Box&, Point const&) {}
+};
+
+
+template
+<
+    typename StrategyLess, typename StrategyGreater,
+    std::size_t Index,
+    std::size_t Dimension, std::size_t DimensionCount
+>
+struct indexed_loop
+{
+    template <typename Box, typename Geometry>
+    static inline void apply(Box& box, Geometry const& source)
+    {
+        typedef typename strategy::compare::detail::select_strategy
+            <
+                StrategyLess, 1, Box, Dimension
+            >::type less_type;
+
+        typedef typename strategy::compare::detail::select_strategy
+            <
+                StrategyGreater, -1, Box, Dimension
+            >::type greater_type;
+
+        typedef typename select_coordinate_type
+                <
+                    Box,
+                    Geometry
+                >::type coordinate_type;
+
+        less_type less;
+        greater_type greater;
+
+        coordinate_type const coord = get<Index, Dimension>(source);
+
+        if (less(coord, get<min_corner, Dimension>(box)))
+        {
+            set<min_corner, Dimension>(box, coord);
+        }
+
+        if (greater(coord, get<max_corner, Dimension>(box)))
+        {
+            set<max_corner, Dimension>(box, coord);
+        }
+
+        indexed_loop
+            <
+                StrategyLess, StrategyGreater,
+                Index, Dimension + 1, DimensionCount
+            >::apply(box, source);
+    }
+};
+
+
+template
+<
+    typename StrategyLess, typename StrategyGreater,
+    std::size_t Index, std::size_t DimensionCount
+>
+struct indexed_loop
+    <
+        StrategyLess, StrategyGreater,
+        Index, DimensionCount, DimensionCount
+    >
+{
+    template <typename Box, typename Geometry>
+    static inline void apply(Box&, Geometry const&) {}
+};
+
+
+
+// Changes a box such that the other box is also contained by the box
+template
+<
+    typename StrategyLess, typename StrategyGreater
+>
+struct expand_indexed
+{
+    template <typename Box, typename Geometry>
+    static inline void apply(Box& box, Geometry const& geometry)
+    {
+        indexed_loop
+            <
+                StrategyLess, StrategyGreater,
+                0, 0, dimension<Geometry>::type::value
+            >::apply(box, geometry);
+
+        indexed_loop
+            <
+                StrategyLess, StrategyGreater,
+                1, 0, dimension<Geometry>::type::value
+            >::apply(box, geometry);
+    }
+};
+
+}} // namespace detail::expand
+#endif // DOXYGEN_NO_DETAIL
+
+#ifndef DOXYGEN_NO_DISPATCH
+namespace dispatch
+{
+
+template
+<
+    typename GeometryOut, typename Geometry,
+    typename StrategyLess = strategy::compare::default_strategy,
+    typename StrategyGreater = strategy::compare::default_strategy,
+    typename TagOut = typename tag<GeometryOut>::type,
+    typename Tag = typename tag<Geometry>::type
+>
+struct expand: not_implemented<TagOut, Tag>
+{};
+
+
+// Box + point -> new box containing also point
+template
+<
+    typename BoxOut, typename Point,
+    typename StrategyLess, typename StrategyGreater
+>
+struct expand<BoxOut, Point, StrategyLess, StrategyGreater, box_tag, point_tag>
+    : detail::expand::point_loop
+        <
+            StrategyLess, StrategyGreater,
+            0, dimension<Point>::type::value
+        >
+{};
+
+
+// Box + box -> new box containing two input boxes
+template
+<
+    typename BoxOut, typename BoxIn,
+    typename StrategyLess, typename StrategyGreater
+>
+struct expand<BoxOut, BoxIn, StrategyLess, StrategyGreater, box_tag, box_tag>
+    : detail::expand::expand_indexed<StrategyLess, StrategyGreater>
+{};
+
+template
+<
+    typename Box, typename Segment,
+    typename StrategyLess, typename StrategyGreater
+>
+struct expand<Box, Segment, StrategyLess, StrategyGreater, box_tag, segment_tag>
+    : detail::expand::expand_indexed<StrategyLess, StrategyGreater>
+{};
+
+
+} // namespace dispatch
+#endif // DOXYGEN_NO_DISPATCH
+
+
+/***
+*!
+\brief Expands a box using the extend (envelope) of another geometry (box, point)
+\ingroup expand
+\tparam Box type of the box
+\tparam Geometry of second geometry, to be expanded with the box
+\param box box to expand another geometry with, might be changed
+\param geometry other geometry
+\param strategy_less
+\param strategy_greater
+\note Strategy is currently ignored
+ *
+template
+<
+    typename Box, typename Geometry,
+    typename StrategyLess, typename StrategyGreater
+>
+inline void expand(Box& box, Geometry const& geometry,
+            StrategyLess const& strategy_less,
+            StrategyGreater const& strategy_greater)
+{
+    concept::check_concepts_and_equal_dimensions<Box, Geometry const>();
+
+    dispatch::expand<Box, Geometry>::apply(box, geometry);
+}
+***/
+
+
+/*!
+\brief Expands a box using the bounding box (envelope) of another geometry (box, point)
+\ingroup expand
+\tparam Box type of the box
+\tparam Geometry \tparam_geometry
+\param box box to be expanded using another geometry, mutable
+\param geometry \param_geometry geometry which envelope (bounding box) will be added to the box
+
+\qbk{[include reference/algorithms/expand.qbk]}
+ */
+template <typename Box, typename Geometry>
+inline void expand(Box& box, Geometry const& geometry)
+{
+    concept::check_concepts_and_equal_dimensions<Box, Geometry const>();
+
+    dispatch::expand<Box, Geometry>::apply(box, geometry);
+}
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_EXPAND_HPP