FM / is_valid

/usr/include/boost/geometry/algorithms/detail/is_valid/

/usr/include/boost/geometry/algorithms/detail/is_valid

Name	Size	Mode	Actions
box.hpp	3050	0644	edit dl rm
complement_graph.hpp	6879	0644	edit dl rm
debug_complement_graph.hpp	2227	0644	edit dl rm
debug_print_turns.hpp	2244	0644	edit dl rm
debug_validity_phase.hpp	1837	0644	edit dl rm
has_duplicates.hpp	2215	0644	edit dl rm
has_invalid_coordinate.hpp	4300	0644	edit dl rm
has_spikes.hpp	6250	0644	edit dl rm
has_valid_self_turns.hpp	3884	0644	edit dl rm
implementation.hpp	951	0644	edit dl rm
interface.hpp	9070	0644	edit dl rm
is_acceptable_turn.hpp	4308	0644	edit dl rm
linear.hpp	5617	0644	edit dl rm
multipolygon.hpp	13475	0644	edit dl rm
pointlike.hpp	2639	0644	edit dl rm
polygon.hpp	18446	0644	edit dl rm
ring.hpp	7760	0644	edit dl rm
segment.hpp	2565	0644	edit dl rm

Edit: /usr/include/boost/geometry/algorithms/detail/is_valid/has_duplicates.hpp (2215B)

// Boost.Geometry (aka GGL, Generic Geometry Library)

// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle

// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html

#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_VALID_HAS_DUPLICATES_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_VALID_HAS_DUPLICATES_HPP

#include <boost/core/ignore_unused.hpp>
#include <boost/range.hpp>

#include <boost/geometry/core/closure.hpp>

#include <boost/geometry/policies/compare.hpp>
#include <boost/geometry/policies/is_valid/default_policy.hpp>

#include <boost/geometry/views/closeable_view.hpp>
#include <boost/geometry/algorithms/validity_failure_type.hpp>

namespace boost { namespace geometry
{

#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace is_valid
{

template <typename Range, closure_selector Closure, typename CSTag>
struct has_duplicates
{
    template <typename VisitPolicy>
    static inline bool apply(Range const& range, VisitPolicy& visitor)
    {
        boost::ignore_unused(visitor);

typedef typename closeable_view<Range const, Closure>::type view_type;
        typedef typename boost::range_const_iterator
            <
                view_type const
            >::type const_iterator;

view_type view(range);

if ( boost::size(view) < 2 )
        {
            return ! visitor.template apply<no_failure>();
        }

geometry::equal_to
            <
                typename boost::range_value<Range>::type,
                -1,
                CSTag
            > equal;

const_iterator it = boost::const_begin(view);
        const_iterator next = it;
        ++next;
        for (; next != boost::const_end(view); ++it, ++next)
        {
            if ( equal(*it, *next) )
            {
                return ! visitor.template apply<failure_duplicate_points>(*it);
            }
        }
        return ! visitor.template apply<no_failure>();
    }
};

}} // namespace detail::is_valid
#endif // DOXYGEN_NO_DETAIL

}} // namespace boost::geometry

#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_VALID_HAS_DUPLICATES_HPP

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