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
|
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
// Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
// This file was modified by Oracle on 2020.
// Modifications copyright (c) 2020, 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_CORE_COORDINATE_TYPE_HPP
#define BOOST_GEOMETRY_CORE_COORDINATE_TYPE_HPP
#include <boost/geometry/core/point_type.hpp>
#include <boost/geometry/core/static_assert.hpp>
#include <boost/geometry/core/tag.hpp>
#include <boost/geometry/util/promote_floating_point.hpp>
#include <boost/geometry/util/type_traits_std.hpp>
namespace boost { namespace geometry
{
namespace traits
{
/*!
\brief Traits class which indicate the coordinate type (double,float,...) of a point
\ingroup traits
\par Geometries:
- point
\par Specializations should provide:
- typedef T type; (double,float,int,etc)
*/
template <typename Point, typename Enable = void>
struct coordinate_type
{
BOOST_GEOMETRY_STATIC_ASSERT_FALSE(
"Not implemented for this Point type.",
Point);
};
} // namespace traits
#ifndef DOXYGEN_NO_DISPATCH
namespace core_dispatch
{
template <typename GeometryTag, typename Geometry>
struct coordinate_type
{
typedef typename point_type<GeometryTag, Geometry>::type point_type;
// Call its own specialization on point-tag
typedef typename coordinate_type<point_tag, point_type>::type type;
};
template <typename Point>
struct coordinate_type<point_tag, Point>
{
typedef typename traits::coordinate_type
<
typename util::remove_cptrref<Point>::type
>::type type;
};
} // namespace core_dispatch
#endif // DOXYGEN_NO_DISPATCH
/*!
\brief \brief_meta{type, coordinate type (int\, float\, double\, etc), \meta_point_type}
\tparam Geometry \tparam_geometry
\ingroup core
\qbk{[include reference/core/coordinate_type.qbk]}
*/
template <typename Geometry>
struct coordinate_type
{
typedef typename core_dispatch::coordinate_type
<
typename tag<Geometry>::type,
typename util::remove_cptrref<Geometry>::type
>::type type;
};
template <typename Geometry>
struct fp_coordinate_type
{
typedef typename promote_floating_point
<
typename coordinate_type<Geometry>::type
>::type type;
};
/*!
\brief assert_coordinate_type_equal, a compile-time check for equality of two coordinate types
\ingroup utility
*/
template <typename Geometry1, typename Geometry2>
constexpr inline void assert_coordinate_type_equal(Geometry1 const& , Geometry2 const& )
{
static_assert(std::is_same
<
typename coordinate_type<Geometry1>::type,
typename coordinate_type<Geometry2>::type
>::value, "Coordinate types in geometries should be the same");
}
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_CORE_COORDINATE_TYPE_HPP
|
