123456789101112131415161718192021222324252627282930313233343536373839404142434445464748 |
- // Boost.Geometry
- // Copyright (c) 2018 Oracle and/or its affiliates.
- // Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
- // Contributed and/or modified by Adam Wulkiewicz, 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_IS_INVERSE_SPHEROIDAL_COORDINATES_HPP
- #define BOOST_GEOMETRY_UTIL_IS_INVERSE_SPHEROIDAL_COORDINATES_HPP
- #include <boost/geometry/core/access.hpp>
- #include <boost/geometry/core/coordinate_type.hpp>
- #include <boost/geometry/core/point_type.hpp>
- #include <boost/geometry/util/math.hpp>
- namespace boost { namespace geometry
- {
- template<class CT>
- struct bounds
- {
- static CT lowest () { return boost::numeric::bounds<CT>::lowest(); }
- static CT highest () { return boost::numeric::bounds<CT>::highest(); }
- };
- template <typename Box>
- bool is_inverse_spheroidal_coordinates(Box const& box)
- {
- typedef typename point_type<Box>::type point_type;
- typedef typename coordinate_type<point_type>::type bound_type;
- bound_type high = bounds<bound_type>::highest();
- bound_type low = bounds<bound_type>::lowest();
- return (geometry::get<0, 0>(box) == high) &&
- (geometry::get<0, 1>(box) == high) &&
- (geometry::get<1, 0>(box) == low) &&
- (geometry::get<1, 1>(box) == low);
- }
- }} // namespace boost::geometry
- #endif // BOOST_GEOMETRY_UTIL_IS_INVERSE_SPHEROIDAL_COORDINATES_HPP
|