add boost on mac

macx64/include/boost/geometry/strategies/default_length_result.hpp

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+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands.
+// Copyright (c) 2008-2014 Bruno Lalande, Paris, France.
+// Copyright (c) 2009-2014 Mateusz Loskot, London, UK.
+
+// This file was modified by Oracle on 2014.
+// Modifications copyright (c) 2014, Oracle and/or its affiliates.
+
+// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
+
+// 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_STRATEGIES_DEFAULT_LENGTH_RESULT_HPP
+#define BOOST_GEOMETRY_STRATEGIES_DEFAULT_LENGTH_RESULT_HPP
+
+#include <boost/variant/variant_fwd.hpp>
+
+#include <boost/geometry/core/coordinate_type.hpp>
+
+#include <boost/geometry/util/compress_variant.hpp>
+#include <boost/geometry/util/select_most_precise.hpp>
+#include <boost/geometry/util/transform_variant.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+
+namespace resolve_strategy
+{
+
+template <typename Geometry>
+struct default_length_result
+{
+    typedef typename select_most_precise
+        <
+            typename coordinate_type<Geometry>::type,
+            long double
+        >::type type;
+};
+
+} // namespace resolve_strategy
+
+
+namespace resolve_variant
+{
+
+template <typename Geometry>
+struct default_length_result
+    : resolve_strategy::default_length_result<Geometry>
+{};
+
+template <BOOST_VARIANT_ENUM_PARAMS(typename T)>
+struct default_length_result<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> >
+{
+    typedef typename compress_variant<
+        typename transform_variant<
+            boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>,
+            resolve_strategy::default_length_result<boost::mpl::placeholders::_>
+        >::type
+    >::type type;
+};
+
+} // namespace resolve_variant
+
+
+/*!
+    \brief Meta-function defining return type of length function
+    \ingroup length
+    \note Length of a line of integer coordinates can be double.
+        So we take at least a double. If Big Number types are used,
+        we take that type.
+
+ */
+template <typename Geometry>
+struct default_length_result
+    : resolve_variant::default_length_result<Geometry>
+{};
+
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_STRATEGIES_DEFAULT_LENGTH_RESULT_HPP