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-rw-r--r--boost/geometry/util/has_infinite_coordinate.hpp55
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+// Boost.Geometry
+
+// Copyright (c) 2015 Oracle and/or its affiliates.
+
+// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
+
+// Use, modification and distribution is subject to the Boost Software License,
+// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_GEOMETRY_UTIL_HAS_INFINITE_COORDINATE_HPP
+#define BOOST_GEOMETRY_UTIL_HAS_INFINITE_COORDINATE_HPP
+
+#include <boost/type_traits/is_floating_point.hpp>
+
+#include <boost/geometry/core/coordinate_type.hpp>
+#include <boost/geometry/util/has_nan_coordinate.hpp>
+#include <boost/math/special_functions/fpclassify.hpp>
+
+namespace boost { namespace geometry
+{
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail
+{
+
+struct isinf
+{
+ template <typename T>
+ static inline bool apply(T const& t)
+ {
+ return boost::math::isinf(t);
+ }
+};
+
+} // namespace detail
+#endif // DOXYGEN_NO_DETAIL
+
+template <typename Point>
+bool has_infinite_coordinate(Point const& point)
+{
+ return detail::has_coordinate_with_property
+ <
+ Point,
+ detail::isinf,
+ boost::is_floating_point
+ <
+ typename coordinate_type<Point>::type
+ >::value
+ >::apply(point);
+}
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_UTIL_HAS_INFINITE_COORDINATE_HPP