Added boost header

test/external/boost/geometry/multi/algorithms/convert.hpp

@@ -0,0 +1,133 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands.
+// Copyright (c) 2008-2011 Bruno Lalande, Paris, France.
+// Copyright (c) 2009-2011 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_MULTI_ALGORITHMS_CONVERT_HPP
+#define BOOST_GEOMETRY_MULTI_ALGORITHMS_CONVERT_HPP
+
+
+#include <boost/range/metafunctions.hpp>
+
+#include <boost/geometry/algorithms/convert.hpp>
+
+#include <boost/geometry/multi/core/tags.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail { namespace conversion
+{
+
+template <typename Single, typename Multi, typename Policy>
+struct single_to_multi
+{
+    static inline void apply(Single const& single, Multi& multi)
+    {
+        traits::resize<Multi>::apply(multi, 1);
+        Policy::apply(single, *boost::begin(multi));
+    }
+};
+
+
+
+template <typename Multi1, typename Multi2, typename Policy>
+struct multi_to_multi
+{
+    static inline void apply(Multi1 const& multi1, Multi2& multi2)
+    {
+        traits::resize<Multi2>::apply(multi2, boost::size(multi1));
+
+        typename boost::range_iterator<Multi1 const>::type it1
+                = boost::begin(multi1);
+        typename boost::range_iterator<Multi2>::type it2
+                = boost::begin(multi2);
+
+        for (; it1 != boost::end(multi1); ++it1, ++it2)
+        {
+            Policy::apply(*it1, *it2);
+        }
+    }
+};
+
+
+}} // namespace detail::convert
+#endif // DOXYGEN_NO_DETAIL
+
+
+#ifndef DOXYGEN_NO_DISPATCH
+namespace dispatch
+{
+
+// Dispatch for multi <-> multi, specifying their single-version as policy.
+// Note that, even if the multi-types are mutually different, their single
+// version types might be the same and therefore we call boost::is_same again
+
+template <std::size_t DimensionCount, typename Multi1, typename Multi2>
+struct convert<false, multi_tag, multi_tag, DimensionCount, Multi1, Multi2>
+    : detail::conversion::multi_to_multi
+        <
+            Multi1, 
+            Multi2,
+            convert
+                <
+                    boost::is_same
+                        <
+                            typename boost::range_value<Multi1>::type, 
+                            typename boost::range_value<Multi2>::type
+                        >::value,
+                    typename single_tag_of
+                                <
+                                    typename tag<Multi1>::type
+                                >::type,
+                    typename single_tag_of
+                                <
+                                    typename tag<Multi2>::type
+                                >::type,
+                    DimensionCount,
+                    typename boost::range_value<Multi1>::type,
+                    typename boost::range_value<Multi2>::type
+                >
+        >
+{};
+
+template <std::size_t DimensionCount, typename SingleTag, typename Single, typename Multi>
+struct convert<false, SingleTag, multi_tag, DimensionCount, Single, Multi>
+    : detail::conversion::single_to_multi
+        <
+            Single, 
+            Multi,
+            convert
+                <
+                    false,
+                    typename tag<Single>::type,
+                    typename single_tag_of
+                                <
+                                    typename tag<Multi>::type
+                                >::type,
+                    DimensionCount,
+                    Single,
+                    typename boost::range_value<Multi>::type
+                >
+        >
+{};
+
+
+} // namespace dispatch
+#endif // DOXYGEN_NO_DISPATCH
+
+
+}} // namespace boost::geometry
+
+
+#endif // BOOST_GEOMETRY_MULTI_ALGORITHMS_CONVERT_HPP