44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
// Boost.Geometry
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// Copyright (c) 2017 Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_FORMULAS_UNIT_SPHEROID_HPP
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#define BOOST_GEOMETRY_FORMULAS_UNIT_SPHEROID_HPP
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#include <boost/geometry/core/radius.hpp>
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace formula
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{
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template <typename ResultType, typename Spheroid>
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inline ResultType unit_spheroid_b(Spheroid const& spheroid)
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{
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return ResultType(get_radius<2>(spheroid))
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/ ResultType(get_radius<0>(spheroid));
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}
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template <typename ResultSpheroid, typename Spheroid>
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inline ResultSpheroid unit_spheroid(Spheroid const& spheroid)
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{
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typedef typename radius_type<ResultSpheroid>::type radius_t;
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return ResultSpheroid(radius_t(1),
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unit_spheroid_b<radius_t>(spheroid));
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}
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} // namespace formula
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#endif // DOXYGEN_NO_DETAIL
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_FORMULAS_UNIT_SPHEROID_HPP
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