/usr/include/boost/geometry/algorithms/detail/overlay/segment_identifier.hpp is in libboost1.55-dev 1.55.0+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | // Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2012 Barend Gehrels, 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_ALGORITHMS_DETAIL_OVERLAY_SEGMENT_IDENTIFIER_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_SEGMENT_IDENTIFIER_HPP
#if defined(BOOST_GEOMETRY_DEBUG_OVERLAY)
# define BOOST_GEOMETRY_DEBUG_SEGMENT_IDENTIFIER
#endif
#include <vector>
#include <boost/geometry/core/access.hpp>
#include <boost/geometry/core/coordinate_dimension.hpp>
namespace boost { namespace geometry
{
// Internal struct to uniquely identify a segment
// on a linestring,ring
// or polygon (needs ring_index)
// or multi-geometry (needs multi_index)
struct segment_identifier
{
inline segment_identifier()
: source_index(-1)
, multi_index(-1)
, ring_index(-1)
, segment_index(-1)
{}
inline segment_identifier(int src, int mul, int rin, int seg)
: source_index(src)
, multi_index(mul)
, ring_index(rin)
, segment_index(seg)
{}
inline bool operator<(segment_identifier const& other) const
{
return source_index != other.source_index ? source_index < other.source_index
: multi_index !=other.multi_index ? multi_index < other.multi_index
: ring_index != other.ring_index ? ring_index < other.ring_index
: segment_index < other.segment_index
;
}
inline bool operator==(segment_identifier const& other) const
{
return source_index == other.source_index
&& segment_index == other.segment_index
&& ring_index == other.ring_index
&& multi_index == other.multi_index
;
}
#if defined(BOOST_GEOMETRY_DEBUG_SEGMENT_IDENTIFIER)
friend std::ostream& operator<<(std::ostream &os, segment_identifier const& seg_id)
{
std::cout
<< "s:" << seg_id.source_index
<< ", v:" << seg_id.segment_index // ~vertex
;
if (seg_id.ring_index >= 0) std::cout << ", r:" << seg_id.ring_index;
if (seg_id.multi_index >= 0) std::cout << ", m:" << seg_id.multi_index;
return os;
}
#endif
int source_index;
int multi_index;
int ring_index;
int segment_index;
};
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_SEGMENT_IDENTIFIER_HPP
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