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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
|
// 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.
// Copyright (c) 2014 Samuel Debionne, Grenoble, France.
// This file was modified by Oracle on 2014, 2017.
// Modifications copyright (c) 2014-2017 Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, 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_CROSSES_HPP
#define BOOST_GEOMETRY_ALGORITHMS_CROSSES_HPP
#include <cstddef>
#include <boost/variant/apply_visitor.hpp>
#include <boost/variant/static_visitor.hpp>
#include <boost/variant/variant_fwd.hpp>
#include <boost/geometry/algorithms/relate.hpp>
#include <boost/geometry/algorithms/detail/relate/relate_impl.hpp>
#include <boost/geometry/core/access.hpp>
#include <boost/geometry/geometries/concepts/check.hpp>
#include <boost/geometry/strategies/default_strategy.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DISPATCH
namespace dispatch
{
template
<
typename Geometry1,
typename Geometry2,
typename Tag1 = typename tag<Geometry1>::type,
typename Tag2 = typename tag<Geometry2>::type
>
struct crosses
: detail::relate::relate_impl
<
detail::de9im::static_mask_crosses_type,
Geometry1,
Geometry2
>
{};
} // namespace dispatch
#endif // DOXYGEN_NO_DISPATCH
namespace resolve_strategy
{
struct crosses
{
template <typename Geometry1, typename Geometry2, typename Strategy>
static inline bool apply(Geometry1 const& geometry1,
Geometry2 const& geometry2,
Strategy const& strategy)
{
concepts::check<Geometry1 const>();
concepts::check<Geometry2 const>();
return dispatch::crosses<Geometry1, Geometry2>::apply(geometry1, geometry2, strategy);
}
template <typename Geometry1, typename Geometry2>
static inline bool apply(Geometry1 const& geometry1,
Geometry2 const& geometry2,
default_strategy)
{
typedef typename strategy::relate::services::default_strategy
<
Geometry1,
Geometry2
>::type strategy_type;
return apply(geometry1, geometry2, strategy_type());
}
};
} // namespace resolve_strategy
namespace resolve_variant
{
template <typename Geometry1, typename Geometry2>
struct crosses
{
template <typename Strategy>
static inline bool apply(Geometry1 const& geometry1,
Geometry2 const& geometry2,
Strategy const& strategy)
{
return resolve_strategy::crosses::apply(geometry1, geometry2, strategy);
}
};
template <BOOST_VARIANT_ENUM_PARAMS(typename T), typename Geometry2>
struct crosses<variant<BOOST_VARIANT_ENUM_PARAMS(T)>, Geometry2>
{
template <typename Strategy>
struct visitor: static_visitor<bool>
{
Geometry2 const& m_geometry2;
Strategy const& m_strategy;
visitor(Geometry2 const& geometry2, Strategy const& strategy)
: m_geometry2(geometry2)
, m_strategy(strategy)
{}
template <typename Geometry1>
result_type operator()(Geometry1 const& geometry1) const
{
return crosses
<
Geometry1,
Geometry2
>::apply(geometry1, m_geometry2, m_strategy);
}
};
template <typename Strategy>
static inline bool apply(variant<BOOST_VARIANT_ENUM_PARAMS(T)> const& geometry1,
Geometry2 const& geometry2,
Strategy const& strategy)
{
return boost::apply_visitor(visitor<Strategy>(geometry2, strategy), geometry1);
}
};
template <typename Geometry1, BOOST_VARIANT_ENUM_PARAMS(typename T)>
struct crosses<Geometry1, variant<BOOST_VARIANT_ENUM_PARAMS(T)> >
{
template <typename Strategy>
struct visitor: static_visitor<bool>
{
Geometry1 const& m_geometry1;
Strategy const& m_strategy;
visitor(Geometry1 const& geometry1, Strategy const& strategy)
: m_geometry1(geometry1)
, m_strategy(strategy)
{}
template <typename Geometry2>
result_type operator()(Geometry2 const& geometry2) const
{
return crosses
<
Geometry1,
Geometry2
>::apply(m_geometry1, geometry2, m_strategy);
}
};
template <typename Strategy>
static inline bool apply(Geometry1 const& geometry1,
variant<BOOST_VARIANT_ENUM_PARAMS(T)> const& geometry2,
Strategy const& strategy)
{
return boost::apply_visitor(visitor<Strategy>(geometry1, strategy), geometry2);
}
};
template <BOOST_VARIANT_ENUM_PARAMS(typename T1), BOOST_VARIANT_ENUM_PARAMS(typename T2)>
struct crosses<variant<BOOST_VARIANT_ENUM_PARAMS(T1)>, variant<BOOST_VARIANT_ENUM_PARAMS(T2)> >
{
template <typename Strategy>
struct visitor: static_visitor<bool>
{
Strategy const& m_strategy;
visitor(Strategy const& strategy)
: m_strategy(strategy)
{}
template <typename Geometry1, typename Geometry2>
result_type operator()(Geometry1 const& geometry1,
Geometry2 const& geometry2) const
{
return crosses
<
Geometry1,
Geometry2
>::apply(geometry1, geometry2, m_strategy);
}
};
template <typename Strategy>
static inline bool apply(variant<BOOST_VARIANT_ENUM_PARAMS(T1)> const& geometry1,
variant<BOOST_VARIANT_ENUM_PARAMS(T2)> const& geometry2,
Strategy const& strategy)
{
return boost::apply_visitor(visitor<Strategy>(strategy), geometry1, geometry2);
}
};
} // namespace resolve_variant
/*!
\brief \brief_check2{crosses}
\ingroup crosses
\tparam Geometry1 \tparam_geometry
\tparam Geometry2 \tparam_geometry
\tparam Strategy \tparam_strategy{Crosses}
\param geometry1 \param_geometry
\param geometry2 \param_geometry
\param strategy \param_strategy{crosses}
\return \return_check2{crosses}
\qbk{distinguish,with strategy}
\qbk{[include reference/algorithms/crosses.qbk]}
*/
template <typename Geometry1, typename Geometry2, typename Strategy>
inline bool crosses(Geometry1 const& geometry1,
Geometry2 const& geometry2,
Strategy const& strategy)
{
return resolve_variant::crosses
<
Geometry1, Geometry2
>::apply(geometry1, geometry2, strategy);
}
/*!
\brief \brief_check2{crosses}
\ingroup crosses
\tparam Geometry1 \tparam_geometry
\tparam Geometry2 \tparam_geometry
\param geometry1 \param_geometry
\param geometry2 \param_geometry
\return \return_check2{crosses}
\qbk{[include reference/algorithms/crosses.qbk]}
*/
template <typename Geometry1, typename Geometry2>
inline bool crosses(Geometry1 const& geometry1, Geometry2 const& geometry2)
{
return resolve_variant::crosses
<
Geometry1, Geometry2
>::apply(geometry1, geometry2, default_strategy());
}
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_CROSSES_HPP
|
