ceph/src/boost/libs/geometry/include/boost/geometry/util/has_non_finite_coordinate.hpp

   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