42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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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_TAGS_HPP
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#define BOOST_GEOMETRY_STRATEGIES_TAGS_HPP
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namespace boost { namespace geometry
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{
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namespace strategy
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{
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/*!
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\brief Indicate compiler/library user that strategy is not implemented.
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\details Strategies are defined for point types or for point type
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combinations. If there is no implementation for that specific point type, or point type
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combination, the calculation cannot be done. To indicate this, this not_implemented
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class is used as a typedef stub.
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*/
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struct not_implemented {};
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}
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struct strategy_tag_distance_point_point {};
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struct strategy_tag_distance_point_segment {};
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_STRATEGIES_TAGS_HPP
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