projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | // Boost.Geometry |
| 2 | ||
| 3 | // Copyright (c) 2015 Oracle and/or its affiliates. | |
| 4 | ||
| 5 | // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle | |
| 6 | ||
| 7 | // Use, modification and distribution is subject to the Boost Software License, | |
| 8 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
| 9 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 10 | ||
| 11 | #ifndef BOOST_GEOMETRY_UTIL_HAS_NON_FINITE_COORDINATE_HPP | |
| 12 | #define BOOST_GEOMETRY_UTIL_HAS_NON_FINITE_COORDINATE_HPP | |
| 13 | ||
| 14 | #include <boost/type_traits/is_floating_point.hpp> | |
| 15 | ||
| 16 | #include <boost/geometry/core/coordinate_type.hpp> | |
| 17 | #include <boost/geometry/util/has_nan_coordinate.hpp> | |
| 18 | #include <boost/math/special_functions/fpclassify.hpp> | |
| 19 | ||
| 20 | namespace boost { namespace geometry | |
| 21 | { | |
| 22 | ||
| 23 | #ifndef DOXYGEN_NO_DETAIL | |
| 24 | namespace detail | |
| 25 | { | |
| 26 | ||
| 27 | struct is_not_finite | |
| 28 | { | |
| 29 | template <typename T> | |
| 30 | static inline bool apply(T const& t) | |
| 31 | { | |
| 32 | return ! boost::math::isfinite(t); | |
| 33 | } | |
| 34 | }; | |
| 35 | ||
| 36 | } // namespace detail | |
| 37 | #endif // DOXYGEN_NO_DETAIL | |
| 38 | ||
| 39 | template <typename Point> | |
| 40 | bool has_non_finite_coordinate(Point const& point) | |
| 41 | { | |
| 42 | return detail::has_coordinate_with_property | |
| 43 | < | |
| 44 | Point, | |
| 45 | detail::is_not_finite, | |
| 46 | boost::is_floating_point | |
| 47 | < | |
| 48 | typename coordinate_type<Point>::type | |
| 49 | >::value | |
| 50 | >::apply(point); | |
| 51 | } | |
| 52 | ||
| 53 | }} // namespace boost::geometry | |
| 54 | ||
| 55 | #endif // BOOST_GEOMETRY_UTIL_HAS_NON_FINITE_COORDINATE_HPP |