58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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// This file was modified by Oracle on 2020.
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// Modifications copyright (c) 2020 Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, 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_DETAIL_MULTI_SUM_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_MULTI_SUM_HPP
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#include <boost/range/begin.hpp>
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#include <boost/range/end.hpp>
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail
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{
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struct multi_sum
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{
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template <typename ReturnType, typename Policy, typename MultiGeometry, typename Strategy>
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static inline ReturnType apply(MultiGeometry const& geometry, Strategy const& strategy)
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{
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ReturnType sum = ReturnType();
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for (typename boost::range_iterator
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<
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MultiGeometry const
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>::type it = boost::begin(geometry);
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it != boost::end(geometry);
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++it)
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{
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sum += Policy::apply(*it, strategy);
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}
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return sum;
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}
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};
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} // namespace detail
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#endif
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_MULTI_SUM_HPP
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