81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
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// 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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// 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 Adam Wulkiewicz, 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_CONCEPTS_CONVEX_HULL_CONCEPT_HPP
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#define BOOST_GEOMETRY_STRATEGIES_CONCEPTS_CONVEX_HULL_CONCEPT_HPP
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#include <vector>
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#include <boost/concept_check.hpp>
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namespace boost { namespace geometry { namespace concepts
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{
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/*!
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\brief Checks strategy for convex_hull
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\ingroup convex_hull
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*/
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template <typename Strategy>
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class ConvexHullStrategy
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{
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#ifndef DOXYGEN_NO_CONCEPT_MEMBERS
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// 1) must define state_type
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typedef typename Strategy::state_type state_type;
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// 2) must define point_type
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typedef typename Strategy::point_type point_type;
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// 3) must define geometry_type
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typedef typename Strategy::geometry_type geometry_type;
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struct check_methods
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{
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static void apply()
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{
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Strategy const* str = 0;
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state_type* st = 0;
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geometry_type* sp = 0;
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std::vector<point_type> *v = 0;
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// 4) must implement a method apply, iterating over a range
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str->apply(*sp, *st);
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// 5) must implement a method result, with an output iterator
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str->result(*st, std::back_inserter(*v), true, true);
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}
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};
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public :
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BOOST_CONCEPT_USAGE(ConvexHullStrategy)
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{
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check_methods::apply();
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}
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#endif
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};
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}}} // namespace boost::geometry::concepts
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#endif // BOOST_GEOMETRY_STRATEGIES_CONCEPTS_CONVEX_HULL_CONCEPT_HPP
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