ceph/src/boost/boost/geometry/srs/projections/invalid_point.hpp

   1 // Boost.Geometry
   2
   3 // Copyright (c) 2017-2018, Oracle and/or its affiliates.
   4 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
   5
   6 // Use, modification and distribution is subject to the Boost Software License,
   7 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   8 // http://www.boost.org/LICENSE_1_0.txt)
   9
  10 #ifndef BOOST_GEOMETRY_PROJECTIONS_INVALID_POINT_HPP
  11 #define BOOST_GEOMETRY_PROJECTIONS_INVALID_POINT_HPP
  12
  13
  14 #include <cmath>
  15
  16 #include <boost/geometry/core/access.hpp>
  17
  18
  19 namespace boost { namespace geometry { namespace projections
  20 {
  21
  22 // Originally in pj_transform()
  23 template <typename Point>
  24 inline void set_invalid_point(Point & point)
  25 {
  26     geometry::set<0>(point, HUGE_VAL);
  27     geometry::set<1>(point, HUGE_VAL);
  28 }
  29
  30 template <typename Point>
  31 inline bool is_invalid_point(Point const& point)
  32 {
  33     return geometry::get<0>(point) == HUGE_VAL;
  34 }
  35
  36 }}} // namespace boost::geometry::projections
  37
  38 #endif // BOOST_GEOMETRY_PROJECTIONS_INVALID_POINT_HPP