80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
// Boost.Geometry
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// Copyright (c) 2021, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Licensed under the Boost Software License version 1.0.
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// http://www.boost.org/users/license.html
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#ifndef BOOST_GEOMETRY_STRATEGIES_DISCRETE_DISTANCE_CARTESIAN_HPP
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#define BOOST_GEOMETRY_STRATEGIES_DISCRETE_DISTANCE_CARTESIAN_HPP
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#include <boost/geometry/strategies/cartesian/distance_pythagoras.hpp>
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#include <boost/geometry/strategies/detail.hpp>
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#include <boost/geometry/strategies/discrete_distance/services.hpp>
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#include <boost/geometry/strategies/distance/comparable.hpp>
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#include <boost/geometry/strategies/distance/detail.hpp>
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#include <boost/geometry/util/type_traits.hpp>
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namespace boost { namespace geometry
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{
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namespace strategies { namespace discrete_distance
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{
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template <typename CalculationType = void>
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struct cartesian
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: public strategies::detail::cartesian_base
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{
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template <typename Geometry1, typename Geometry2>
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static auto distance(Geometry1 const&, Geometry2 const&,
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distance::detail::enable_if_pp_t<Geometry1, Geometry2> * = nullptr)
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{
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return strategy::distance::pythagoras<CalculationType>();
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}
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};
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namespace services
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{
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template <typename Geometry1, typename Geometry2>
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struct default_strategy<Geometry1, Geometry2, cartesian_tag, cartesian_tag>
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{
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using type = strategies::discrete_distance::cartesian<>;
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};
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template <typename CT>
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struct strategy_converter<strategy::distance::pythagoras<CT> >
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{
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static auto get(strategy::distance::pythagoras<CT> const&)
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{
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return strategies::discrete_distance::cartesian<CT>();
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}
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};
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template <typename CT>
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struct strategy_converter<strategy::distance::comparable::pythagoras<CT> >
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{
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static auto get(strategy::distance::comparable::pythagoras<CT> const&)
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{
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return strategies::distance::detail::make_comparable(
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strategies::discrete_distance::cartesian<CT>());
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}
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};
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} // namespace services
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}} // namespace strategies::discrete_distance
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_STRATEGIES_DISCRETE_DISTANCE_CARTESIAN_HPP
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