111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
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// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2014 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2014 Mateusz Loskot, London, UK.
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// This file was modified by Oracle on 2014.
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// Modifications copyright (c) 2014, Oracle and/or its affiliates.
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// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_STRATEGIES_DISTANCE_HPP
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#define BOOST_GEOMETRY_STRATEGIES_DISTANCE_HPP
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#include <boost/mpl/assert.hpp>
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#include <boost/geometry/core/cs.hpp>
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#include <boost/geometry/strategies/tags.hpp>
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namespace boost { namespace geometry
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{
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namespace strategy { namespace distance { namespace services
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{
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template <typename Strategy> struct tag {};
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template <typename Strategy, typename P1, typename P2>
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struct return_type
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{
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BOOST_MPL_ASSERT_MSG
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(
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false, NOT_IMPLEMENTED_FOR_THIS_STRATEGY, (types<Strategy, P1, P2>)
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);
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};
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template <typename Strategy> struct comparable_type
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{
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BOOST_MPL_ASSERT_MSG
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(
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false, NOT_IMPLEMENTED_FOR_THIS_STRATEGY, (types<Strategy>)
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);
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};
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template <typename Strategy> struct get_comparable
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{
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BOOST_MPL_ASSERT_MSG
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(
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false, NOT_IMPLEMENTED_FOR_THIS_STRATEGY, (types<Strategy>)
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);
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};
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template <typename Strategy, typename P1, typename P2>
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struct result_from_distance {};
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// Default strategy
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/*!
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\brief Traits class binding a default strategy for distance
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to one (or possibly two) coordinate system(s)
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\ingroup distance
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\tparam GeometryTag1 tag (point/segment/box) for which this strategy is the default
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\tparam GeometryTag2 tag (point/segment/box) for which this strategy is the default
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\tparam Point1 first point-type
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\tparam Point2 second point-type
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\tparam CsTag1 tag of coordinate system of first point type
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\tparam CsTag2 tag of coordinate system of second point type
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*/
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template
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<
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typename GeometryTag1,
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typename GeometryTag2,
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typename Point1,
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typename Point2 = Point1,
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typename CsTag1 = typename cs_tag<Point1>::type,
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typename CsTag2 = typename cs_tag<Point2>::type,
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typename UnderlyingStrategy = void
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>
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struct default_strategy
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{
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BOOST_MPL_ASSERT_MSG
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(
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false, NOT_IMPLEMENTED_FOR_THIS_POINT_TYPE_COMBINATION
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, (types<Point1, Point2, CsTag1, CsTag2>)
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);
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};
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}}} // namespace strategy::distance::services
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_STRATEGIES_DISTANCE_HPP
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