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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2016-2017 Oracle and/or its affiliates.
// Contributed and/or modified by Vissarion Fisikopoulos, 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_STRATEGIES_SPHERICAL_AZIMUTH_HPP
#define BOOST_GEOMETRY_STRATEGIES_SPHERICAL_AZIMUTH_HPP
#include <boost/geometry/strategies/azimuth.hpp>
#include <boost/geometry/formulas/spherical.hpp>
#include <boost/mpl/if.hpp>
#include <boost/type_traits/is_void.hpp>
namespace boost { namespace geometry
{
namespace strategy { namespace azimuth
{
template
<
typename CalculationType = void
>
class spherical
{
public :
inline spherical()
{}
template <typename T>
static inline void apply(T const& lon1_rad, T const& lat1_rad,
T const& lon2_rad, T const& lat2_rad,
T& a1, T& a2)
{
typedef typename boost::mpl::if_
<
boost::is_void<CalculationType>, T, CalculationType
>::type calc_t;
geometry::formula::result_spherical<calc_t>
result = geometry::formula::spherical_azimuth<calc_t, true>(
calc_t(lon1_rad), calc_t(lat1_rad),
calc_t(lon2_rad), calc_t(lat2_rad));
a1 = result.azimuth;
a2 = result.reverse_azimuth;
}
};
#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
namespace services
{
template <typename CalculationType>
struct default_strategy<spherical_equatorial_tag, CalculationType>
{
typedef strategy::azimuth::spherical<CalculationType> type;
};
/*
template <typename CalculationType>
struct default_strategy<spherical_polar_tag, CalculationType>
{
typedef strategy::azimuth::spherical<CalculationType> type;
};
*/
}
#endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
}} // namespace strategy::azimuth
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_STRATEGIES_SPHERICAL_AZIMUTH_HPP
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