79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
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// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
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// This file was modified by Oracle on 2015, 2016.
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// Modifications copyright (c) 2015-2016 Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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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_INTERSECTION_RESULT_HPP
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#define BOOST_GEOMETRY_STRATEGIES_INTERSECTION_RESULT_HPP
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#if defined(HAVE_MATRIX_AS_STRING)
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#include <string>
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#endif
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#include <cstddef>
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namespace boost { namespace geometry
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{
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template <typename SegmentRatio>
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struct fraction_type
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{
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SegmentRatio robust_ra; // TODO this can be renamed now to "ra"
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SegmentRatio robust_rb;
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bool initialized;
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inline fraction_type()
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: initialized(false)
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{}
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template <typename Info>
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inline void assign(Info const& info)
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{
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initialized = true;
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robust_ra = info.robust_ra;
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robust_rb = info.robust_rb;
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}
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inline void assign(SegmentRatio const& a, SegmentRatio const& b)
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{
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initialized = true;
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robust_ra = a;
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robust_rb = b;
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}
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};
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//
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/*!
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\brief return-type for segment-intersection
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\note Set in intersection_points.hpp, from segment_intersection_info
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*/
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template <typename Point, typename SegmentRatio>
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struct segment_intersection_points
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{
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std::size_t count; // The number of intersection points
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// TODO: combine intersections and fractions in one struct
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Point intersections[2];
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fraction_type<SegmentRatio> fractions[2];
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typedef Point point_type;
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segment_intersection_points()
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: count(0)
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{}
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};
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_STRATEGIES_INTERSECTION_RESULT_HPP
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