projects / ceph.git / blame
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|---|---|---|
| 7c673cae FG |
1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
| 2 | ||
| 3 | // Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands. | |
| 4 | ||
| 5 | // This file was modified by Oracle on 2015, 2016. | |
| 6 | // Modifications copyright (c) 2015-2016 Oracle and/or its affiliates. | |
| 7 | // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle | |
| 8 | ||
| 9 | // Use, modification and distribution is subject to the Boost Software License, | |
| 10 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
| 11 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 12 | ||
| 13 | #ifndef BOOST_GEOMETRY_STRATEGIES_INTERSECTION_RESULT_HPP | |
| 14 | #define BOOST_GEOMETRY_STRATEGIES_INTERSECTION_RESULT_HPP | |
| 15 | ||
| 7c673cae FG |
16 | #include <cstddef> |
| 17 | ||
| 92f5a8d4 | 18 | #include <boost/geometry/policies/robustness/segment_ratio.hpp> |
| 7c673cae FG |
19 | |
| 20 | ||
| 21 | namespace boost { namespace geometry | |
| 22 | { | |
| 23 | ||
| 24 | template <typename SegmentRatio> | |
| 25 | struct fraction_type | |
| 26 | { | |
| 27 | SegmentRatio robust_ra; // TODO this can be renamed now to "ra" | |
| 28 | SegmentRatio robust_rb; | |
| 29 | ||
| 30 | bool initialized; | |
| 31 | inline fraction_type() | |
| 32 | : initialized(false) | |
| 33 | {} | |
| 34 | ||
| 35 | template <typename Info> | |
| 36 | inline void assign(Info const& info) | |
| 37 | { | |
| 38 | initialized = true; | |
| 39 | robust_ra = info.robust_ra; | |
| 40 | robust_rb = info.robust_rb; | |
| 41 | } | |
| 42 | ||
| 43 | inline void assign(SegmentRatio const& a, SegmentRatio const& b) | |
| 44 | { | |
| 45 | initialized = true; | |
| 46 | robust_ra = a; | |
| 47 | robust_rb = b; | |
| 48 | } | |
| 49 | ||
| 50 | }; | |
| 51 | ||
| 52 | // | |
| 53 | /*! | |
| 54 | \brief return-type for segment-intersection | |
| 55 | \note Set in intersection_points.hpp, from segment_intersection_info | |
| 56 | */ | |
| 92f5a8d4 TL |
57 | template |
| 58 | < | |
| 59 | typename Point, | |
| 60 | typename SegmentRatio = segment_ratio<typename coordinate_type<Point>::type> | |
| 61 | > | |
| 7c673cae FG |
62 | struct segment_intersection_points |
| 63 | { | |
| 64 | std::size_t count; // The number of intersection points | |
| 65 | ||
| 66 | // TODO: combine intersections and fractions in one struct | |
| 67 | Point intersections[2]; | |
| 68 | fraction_type<SegmentRatio> fractions[2]; | |
| 69 | typedef Point point_type; | |
| 70 | ||
| 71 | segment_intersection_points() | |
| 72 | : count(0) | |
| 73 | {} | |
| 74 | }; | |
| 75 | ||
| 76 | }} // namespace boost::geometry | |
| 77 | ||
| 78 | ||
| 79 | #endif // BOOST_GEOMETRY_STRATEGIES_INTERSECTION_RESULT_HPP |