summaryrefslogtreecommitdiff log msg author committer range
blob: f77f7a35eb91f2ec54413c137d586c7a95f33ce4 (plain)
 ```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 ``` ``````// Boost.Geometry (aka GGL, Generic Geometry Library) // Copyright (c) 2014-2017, Oracle and/or its affiliates. // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle // Licensed under the Boost Software License version 1.0. // http://www.boost.org/users/license.html #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_VALID_POINTLIKE_HPP #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_VALID_POINTLIKE_HPP #include #include #include #include #include #include #include namespace boost { namespace geometry { #ifndef DOXYGEN_NO_DISPATCH namespace dispatch { // A point is always simple template struct is_valid { template static inline bool apply(Point const& point, VisitPolicy& visitor, Strategy const&) { boost::ignore_unused(visitor); return ! detail::is_valid::has_invalid_coordinate < Point >::apply(point, visitor); } }; // A MultiPoint is simple if no two Points in the MultiPoint are equal // (have identical coordinate values in X and Y) // // Reference: OGC 06-103r4 (6.1.5) template struct is_valid { template static inline bool apply(MultiPoint const& multipoint, VisitPolicy& visitor, Strategy const&) { boost::ignore_unused(multipoint, visitor); if (BOOST_GEOMETRY_CONDITION( AllowEmptyMultiGeometries || !boost::empty(multipoint))) { // we allow empty multi-geometries, so an empty multipoint // is considered valid return ! detail::is_valid::has_invalid_coordinate < MultiPoint >::apply(multipoint, visitor); } else { // we do not allow an empty multipoint return visitor.template apply(); } } }; } // namespace dispatch #endif // DOXYGEN_NO_DISPATCH }} // namespace boost::geometry #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_VALID_POINTLIKE_HPP ``````