/usr/include/boost/geometry/multi/algorithms/perimeter.hpp is in libboost1.55-dev 1.55.0+dfsg-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | // Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
// 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_MULTI_ALGORITHMS_PERIMETER_HPP
#define BOOST_GEOMETRY_MULTI_ALGORITHMS_PERIMETER_HPP
#include <boost/range/metafunctions.hpp>
#include <boost/geometry/algorithms/perimeter.hpp>
#include <boost/geometry/multi/core/tags.hpp>
#include <boost/geometry/multi/geometries/concepts/check.hpp>
#include <boost/geometry/multi/algorithms/detail/multi_sum.hpp>
#include <boost/geometry/multi/algorithms/num_points.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DISPATCH
namespace dispatch
{
template <typename MultiPolygon>
struct perimeter<MultiPolygon, multi_polygon_tag> : detail::multi_sum
{
template <typename Strategy>
static inline typename default_length_result<MultiPolygon>::type
apply(MultiPolygon const& multi, Strategy const& strategy)
{
return multi_sum::apply
<
typename default_length_result<MultiPolygon>::type,
perimeter<typename boost::range_value<MultiPolygon>::type>
>(multi, strategy);
}
};
} // namespace dispatch
#endif
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_MULTI_ALGORITHMS_PERIMETER_HPP
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