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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. | |
4 | // Copyright (c) 2008-2012 Bruno Lalande, Paris, France. | |
5 | // Copyright (c) 2009-2012 Mateusz Loskot, London, UK. | |
6 | ||
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7 | // This file was modified by Oracle on 2020. |
8 | // Modifications copyright (c) 2020 Oracle and/or its affiliates. | |
9 | // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle | |
10 | ||
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11 | // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library |
12 | // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. | |
13 | ||
14 | // Use, modification and distribution is subject to the Boost Software License, | |
15 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
16 | // http://www.boost.org/LICENSE_1_0.txt) | |
17 | ||
18 | #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_MULTI_SUM_HPP | |
19 | #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_MULTI_SUM_HPP | |
20 | ||
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21 | #include <boost/range/begin.hpp> |
22 | #include <boost/range/end.hpp> | |
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23 | |
24 | ||
25 | namespace boost { namespace geometry | |
26 | { | |
27 | #ifndef DOXYGEN_NO_DETAIL | |
28 | namespace detail | |
29 | { | |
30 | ||
31 | struct multi_sum | |
32 | { | |
33 | template <typename ReturnType, typename Policy, typename MultiGeometry, typename Strategy> | |
34 | static inline ReturnType apply(MultiGeometry const& geometry, Strategy const& strategy) | |
35 | { | |
36 | ReturnType sum = ReturnType(); | |
37 | for (typename boost::range_iterator | |
38 | < | |
39 | MultiGeometry const | |
40 | >::type it = boost::begin(geometry); | |
41 | it != boost::end(geometry); | |
42 | ++it) | |
43 | { | |
44 | sum += Policy::apply(*it, strategy); | |
45 | } | |
46 | return sum; | |
47 | } | |
48 | }; | |
49 | ||
50 | ||
51 | } // namespace detail | |
52 | #endif | |
53 | ||
54 | }} // namespace boost::geometry | |
55 | ||
56 | ||
57 | #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_MULTI_SUM_HPP |