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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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