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// Boost.Geometry
// Copyright (c) 2021, Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_SELECT_GEOMETRY_TYPE_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_SELECT_GEOMETRY_TYPE_HPP
#include <boost/geometry/core/geometry_types.hpp>
#include <boost/geometry/util/sequence.hpp>
#include <boost/geometry/util/type_traits.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail
{
template
<
typename Geometry,
template <typename, typename> class LessPred,
bool IsDynamicOrCollection = util::is_dynamic_geometry<Geometry>::value
|| util::is_geometry_collection<Geometry>::value
>
struct select_geometry_type
{
using type = Geometry;
};
template
<
typename Geometry,
template <typename, typename> class LessPred
>
struct select_geometry_type<Geometry, LessPred, true>
: util::select_element
<
typename traits::geometry_types<std::remove_const_t<Geometry>>::type,
LessPred
>
{};
template
<
typename Geometry,
bool IsDynamicOrCollection = util::is_dynamic_geometry<Geometry>::value
|| util::is_geometry_collection<Geometry>::value
>
struct geometry_types
{
using type = util::type_sequence<std::remove_const_t<Geometry>>;
};
template <typename Geometry>
struct geometry_types<Geometry, true>
{
using type = typename traits::geometry_types<std::remove_const_t<Geometry>>::type;
};
template
<
typename Geometry1, typename Geometry2,
template <typename, typename> class LessPred,
bool IsDynamicOrCollection = util::is_dynamic_geometry<Geometry1>::value
|| util::is_dynamic_geometry<Geometry2>::value
|| util::is_geometry_collection<Geometry1>::value
|| util::is_geometry_collection<Geometry2>::value
>
struct select_geometry_types
{
using type = util::type_sequence
<
std::remove_const_t<Geometry1>,
std::remove_const_t<Geometry2>
>;
};
template
<
typename Geometry1, typename Geometry2,
template <typename, typename> class LessPred
>
struct select_geometry_types<Geometry1, Geometry2, LessPred, true>
: util::select_combination_element
<
typename geometry_types<Geometry1>::type,
typename geometry_types<Geometry2>::type,
LessPred
>
{};
} // namespace detail
#endif // DOXYGEN_NO_DETAIL
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_SELECT_GEOMETRY_TYPE_HPP
|
