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Diffstat (limited to 'boost/geometry/algorithms/detail/is_valid/pointlike.hpp')
-rw-r--r-- | boost/geometry/algorithms/detail/is_valid/pointlike.hpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/boost/geometry/algorithms/detail/is_valid/pointlike.hpp b/boost/geometry/algorithms/detail/is_valid/pointlike.hpp new file mode 100644 index 0000000000..8a4818ef15 --- /dev/null +++ b/boost/geometry/algorithms/detail/is_valid/pointlike.hpp @@ -0,0 +1,62 @@ +// Boost.Geometry (aka GGL, Generic Geometry Library) + +// Copyright (c) 2014, Oracle and/or its affiliates. + +// Contributed and/or modified by Menelaos Karavelas, 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 <boost/range.hpp> + +#include <boost/geometry/core/tags.hpp> + +#include <boost/geometry/algorithms/dispatch/is_valid.hpp> + + +namespace boost { namespace geometry +{ + + + +#ifndef DOXYGEN_NO_DISPATCH +namespace dispatch +{ + +// A point is always simple +template <typename Point> +struct is_valid<Point, point_tag> +{ + static inline bool apply(Point const&) + { + return true; + } +}; + + + +// 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 <typename MultiPoint> +struct is_valid<MultiPoint, multi_point_tag> +{ + static inline bool apply(MultiPoint const& multipoint) + { + return boost::size(multipoint) > 0; + } +}; + + +} // namespace dispatch +#endif // DOXYGEN_NO_DISPATCH + + +}} // namespace boost::geometry + + +#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_IS_VALID_POINTLIKE_HPP |