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- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands.
- // Copyright (c) 2008-2014 Bruno Lalande, Paris, France.
- // Copyright (c) 2009-2014 Mateusz Loskot, London, UK.
- // This file was modified by Oracle on 2014.
- // Modifications copyright (c) 2014, Oracle and/or its affiliates.
- // Contributed and/or modified by Menelaos Karavelas, 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_STRATEGIES_DISTANCE_HPP
- #define BOOST_GEOMETRY_STRATEGIES_DISTANCE_HPP
- #include <boost/mpl/assert.hpp>
- #include <boost/geometry/core/cs.hpp>
- #include <boost/geometry/strategies/tags.hpp>
- namespace boost { namespace geometry
- {
- namespace strategy { namespace distance { namespace services
- {
- template <typename Strategy> struct tag {};
- template <typename Strategy, typename P1, typename P2>
- struct return_type
- {
- BOOST_MPL_ASSERT_MSG
- (
- false, NOT_IMPLEMENTED_FOR_THIS_STRATEGY, (types<Strategy, P1, P2>)
- );
- };
- template <typename Strategy> struct comparable_type
- {
- BOOST_MPL_ASSERT_MSG
- (
- false, NOT_IMPLEMENTED_FOR_THIS_STRATEGY, (types<Strategy>)
- );
- };
- template <typename Strategy> struct get_comparable
- {
- BOOST_MPL_ASSERT_MSG
- (
- false, NOT_IMPLEMENTED_FOR_THIS_STRATEGY, (types<Strategy>)
- );
- };
- template <typename Strategy, typename P1, typename P2>
- struct result_from_distance {};
- // Default strategy
- /*!
- \brief Traits class binding a default strategy for distance
- to one (or possibly two) coordinate system(s)
- \ingroup distance
- \tparam GeometryTag1 tag (point/segment/box) for which this strategy is the default
- \tparam GeometryTag2 tag (point/segment/box) for which this strategy is the default
- \tparam Point1 first point-type
- \tparam Point2 second point-type
- \tparam CsTag1 tag of coordinate system of first point type
- \tparam CsTag2 tag of coordinate system of second point type
- */
- template
- <
- typename GeometryTag1,
- typename GeometryTag2,
- typename Point1,
- typename Point2 = Point1,
- typename CsTag1 = typename cs_tag<Point1>::type,
- typename CsTag2 = typename cs_tag<Point2>::type,
- typename UnderlyingStrategy = void
- >
- struct default_strategy
- {
- BOOST_MPL_ASSERT_MSG
- (
- false, NOT_IMPLEMENTED_FOR_THIS_POINT_TYPE_COMBINATION
- , (types<Point1, Point2, CsTag1, CsTag2>)
- );
- };
- }}} // namespace strategy::distance::services
- }} // namespace boost::geometry
- #endif // BOOST_GEOMETRY_STRATEGIES_DISTANCE_HPP
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