ceph/src/boost/boost/geometry/algorithms/detail/multi_sum.hpp

   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
   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
  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
  21 #include <boost/range/begin.hpp>
  22 #include <boost/range/end.hpp>
  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