// Boost.Geometry Index
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//
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// boxes union/sum area/volume
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//
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// Copyright (c) 2008 Federico J. Fernandez.
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// Copyright (c) 2011-2013 Adam Wulkiewicz, Lodz, Poland.
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//
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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_INDEX_DETAIL_ALGORITHMS_UNION_CONTENT_HPP
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#define BOOST_GEOMETRY_INDEX_DETAIL_ALGORITHMS_UNION_CONTENT_HPP
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#include <boost/geometry/algorithms/expand.hpp>
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#include <boost/geometry/index/detail/algorithms/content.hpp>
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namespace boost { namespace geometry { namespace index { namespace detail {
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/**
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* \brief Compute the area of the union of b1 and b2
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*/
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template <typename Box, typename Geometry>
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inline typename default_content_result<Box>::type union_content(Box const& b, Geometry const& g)
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{
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Box expanded_box(b);
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geometry::expand(expanded_box, g);
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return detail::content(expanded_box);
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}
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}}}} // namespace boost::geometry::index::detail
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#endif // BOOST_GEOMETRY_INDEX_DETAIL_ALGORITHMS_UNION_CONTENT_HPP
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