1 // Boost.Geometry 2 3 // Copyright (c) 2018 Oracle and/or its affiliates. 4 5 // Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle 6 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle 7 8 // Use, modification and distribution is subject to the Boost Software License, 9 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 10 // http://www.boost.org/LICENSE_1_0.txt) 11 12 #ifndef BOOST_GEOMETRY_UTIL_IS_INVERSE_SPHEROIDAL_COORDINATES_HPP 13 #define BOOST_GEOMETRY_UTIL_IS_INVERSE_SPHEROIDAL_COORDINATES_HPP 14 15 #include <boost/geometry/core/access.hpp> 16 #include <boost/geometry/core/coordinate_type.hpp> 17 #include <boost/geometry/core/point_type.hpp> 18 19 #include <boost/geometry/util/math.hpp> 20 21 namespace boost { namespace geometry 22 { 23 24 template<class CT> 25 struct bounds 26 { lowestboost::geometry::bounds27 static CT lowest () { return boost::numeric::bounds<CT>::lowest(); } highestboost::geometry::bounds28 static CT highest () { return boost::numeric::bounds<CT>::highest(); } 29 }; 30 31 template <typename Box> is_inverse_spheroidal_coordinates(Box const & box)32bool is_inverse_spheroidal_coordinates(Box const& box) 33 { 34 typedef typename point_type<Box>::type point_type; 35 typedef typename coordinate_type<point_type>::type bound_type; 36 37 bound_type high = bounds<bound_type>::highest(); 38 bound_type low = bounds<bound_type>::lowest(); 39 40 return (geometry::get<0, 0>(box) == high) && 41 (geometry::get<0, 1>(box) == high) && 42 (geometry::get<1, 0>(box) == low) && 43 (geometry::get<1, 1>(box) == low); 44 } 45 46 }} // namespace boost::geometry 47 48 #endif // BOOST_GEOMETRY_UTIL_IS_INVERSE_SPHEROIDAL_COORDINATES_HPP 49