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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2014 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2014 Mateusz Loskot, London, UK.
// Copyright (c) 2013-2014 Adam Wulkiewicz, Lodz, Poland
// This file was modified by Oracle on 2013-2014.
// Modifications copyright (c) 2013-2014, Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// 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_ALGORITHMS_DETAIL_DISJOINT_POINT_POINT_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_DISJOINT_POINT_POINT_HPP
#include <cstddef>
#include <boost/geometry/core/access.hpp>
#include <boost/geometry/core/coordinate_dimension.hpp>
#include <boost/geometry/core/tags.hpp>
#include <boost/geometry/util/math.hpp>
#include <boost/geometry/algorithms/dispatch/disjoint.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace disjoint
{
template
<
typename Point1, typename Point2,
std::size_t Dimension, std::size_t DimensionCount
>
struct point_point
{
static inline bool apply(Point1 const& p1, Point2 const& p2)
{
if (! geometry::math::equals(get<Dimension>(p1), get<Dimension>(p2)))
{
return true;
}
return point_point
<
Point1, Point2,
Dimension + 1, DimensionCount
>::apply(p1, p2);
}
};
template <typename Point1, typename Point2, std::size_t DimensionCount>
struct point_point<Point1, Point2, DimensionCount, DimensionCount>
{
static inline bool apply(Point1 const& , Point2 const& )
{
return false;
}
};
/*!
\brief Internal utility function to detect of points are disjoint
\note To avoid circular references
*/
template <typename Point1, typename Point2>
inline bool disjoint_point_point(Point1 const& point1, Point2 const& point2)
{
return point_point
<
Point1, Point2,
0, dimension<Point1>::type::value
>::apply(point1, point2);
}
}} // namespace detail::disjoint
#endif // DOXYGEN_NO_DETAIL
#ifndef DOXYGEN_NO_DISPATCH
namespace dispatch
{
template <typename Point1, typename Point2, std::size_t DimensionCount>
struct disjoint<Point1, Point2, DimensionCount, point_tag, point_tag, false>
: detail::disjoint::point_point<Point1, Point2, 0, DimensionCount>
{};
} // namespace dispatch
#endif // DOXYGEN_NO_DISPATCH
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_DISJOINT_POINT_POINT_HPP
|
