FM / policies

/usr/include/boost/geometry/policies

Name	Size	Mode	Actions
is_valid/	-	0755	rm
relate/	-	0755	rm
robustness/	-	0755	rm
compare.hpp	8224	0644	edit dl rm
disjoint_interrupt_policy.hpp	1842	0644	edit dl rm
predicate_based_interrupt_policy.hpp	2668	0644	edit dl rm

Edit: /usr/include/boost/geometry/policies/predicate_based_interrupt_policy.hpp (2668B)

// 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_POLICIES_PREDICATE_BASED_INTERRUPT_POLICY_HPP
#define BOOST_GEOMETRY_ALGORITHMS_POLICIES_PREDICATE_BASED_INTERRUPT_POLICY_HPP

#include <boost/range.hpp>

#include <boost/geometry/algorithms/detail/check_iterator_range.hpp>

namespace boost { namespace geometry
{

#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace overlay
{

template
<
    typename IsAcceptableTurnPredicate,
    bool AllowEmptyTurnRange = true // by default, allow an empty turn range
>
struct stateless_predicate_based_interrupt_policy
{
    static bool const enabled = true;
    bool has_intersections; // set to true if there is at least one
                            // unacceptable turn

inline stateless_predicate_based_interrupt_policy()
        : has_intersections(false)
    {}

template <typename Range>
    inline bool apply(Range const& range)
    {
        // if there is at least one unacceptable turn in the range, return false
        has_intersections = !detail::check_iterator_range
            <
                IsAcceptableTurnPredicate,
                AllowEmptyTurnRange
            >::apply(boost::begin(range), boost::end(range));

return has_intersections;
    }
};

template
<
    typename IsAcceptableTurnPredicate,
    bool AllowEmptyTurnRange = true // by default, allow an empty turn range
>
struct predicate_based_interrupt_policy
{
    static bool const enabled = true;
    bool has_intersections; // set to true if there is at least one
                            // unacceptable turn
    IsAcceptableTurnPredicate const& m_predicate;

inline
    predicate_based_interrupt_policy(IsAcceptableTurnPredicate const& predicate)
        : has_intersections(false)
        , m_predicate(predicate)
    {}

return has_intersections;
    }
};

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

}} // namespace boost::geometry

#endif // BOOST_GEOMETRY_ALGORITHMS_POLICIES_PREDICATE_BASED_INTERRUPT_POLICY_HPP

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