// Boost.Geometry (aka GGL, Generic Geometry Library)
|
|
// Copyright (c) 2010 Alfredo Correa
|
// Copyright (c) 2010-2012 Barend Gehrels, Amsterdam, the Netherlands.
|
|
// 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
|
|
// 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_GEOMETRIES_ADAPTED_BOOST_ARRAY_HPP
|
#define BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_ARRAY_HPP
|
|
|
#ifdef BOOST_GEOMETRY_ADAPTED_BOOST_ARRAY_TAG_DEFINED
|
#error Include either "boost_array_as_point" or \
|
"boost_array_as_linestring" or "boost_array_as_ring" \
|
or "boost_array_as_multi_point" to adapt a boost_array
|
#endif
|
|
#define BOOST_GEOMETRY_ADAPTED_BOOST_ARRAY_TAG_DEFINED
|
|
|
#include <cstddef>
|
#include <type_traits>
|
|
#include <boost/geometry/core/access.hpp>
|
#include <boost/geometry/core/cs.hpp>
|
#include <boost/geometry/core/coordinate_dimension.hpp>
|
#include <boost/geometry/core/coordinate_type.hpp>
|
#include <boost/geometry/core/tags.hpp>
|
|
#include <boost/array.hpp>
|
|
namespace boost { namespace geometry
|
{
|
|
|
#ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
|
namespace traits
|
{
|
|
|
#ifndef DOXYGEN_NO_DETAIL
|
namespace detail
|
{
|
|
|
// Create class and specialization to indicate the tag
|
// for normal cases and the case that the type of the c-array is arithmetic
|
template <bool>
|
struct boost_array_tag
|
{
|
typedef geometry_not_recognized_tag type;
|
};
|
|
|
template <>
|
struct boost_array_tag<true>
|
{
|
typedef point_tag type;
|
};
|
|
|
} // namespace detail
|
#endif // DOXYGEN_NO_DETAIL
|
|
|
// Assign the point-tag, preventing arrays of points getting a point-tag
|
template <typename CoordinateType, std::size_t DimensionCount>
|
struct tag<boost::array<CoordinateType, DimensionCount> >
|
: detail::boost_array_tag<std::is_arithmetic<CoordinateType>::value> {};
|
|
|
template <typename CoordinateType, std::size_t DimensionCount>
|
struct coordinate_type<boost::array<CoordinateType, DimensionCount> >
|
{
|
typedef CoordinateType type;
|
};
|
|
|
template <typename CoordinateType, std::size_t DimensionCount>
|
struct dimension<boost::array<CoordinateType, DimensionCount> >
|
: std::integral_constant<std::size_t, DimensionCount>
|
{};
|
|
|
template <typename CoordinateType, std::size_t DimensionCount, std::size_t Dimension>
|
struct access<boost::array<CoordinateType, DimensionCount>, Dimension>
|
{
|
static inline CoordinateType get(boost::array<CoordinateType, DimensionCount> const& a)
|
{
|
return a[Dimension];
|
}
|
|
static inline void set(boost::array<CoordinateType, DimensionCount>& a,
|
CoordinateType const& value)
|
{
|
a[Dimension] = value;
|
}
|
};
|
|
|
} // namespace traits
|
#endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
|
|
|
}} // namespace boost::geometry
|
|
|
#define BOOST_GEOMETRY_REGISTER_BOOST_ARRAY_CS(CoordinateSystem) \
|
namespace boost { namespace geometry { namespace traits { \
|
template <class T, std::size_t N> \
|
struct coordinate_system<boost::array<T, N> > \
|
{ \
|
typedef CoordinateSystem type; \
|
}; \
|
}}}
|
|
|
#endif // BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_ARRAY_HPP
|
