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- #ifndef BOOST_GEOMETRY_PROJECTIONS_CONSTANTS_HPP
- #define BOOST_GEOMETRY_PROJECTIONS_CONSTANTS_HPP
- #include <boost/geometry/util/math.hpp>
- #include <boost/math/constants/constants.hpp>
- namespace boost { namespace geometry { namespace projections
- {
- #ifndef DOXYGEN_NO_DETAIL
- namespace detail
- {
- template <typename T>
- inline T fourth_pi() { return T(0.78539816339744830961566084581988); }
- template <typename T>
- inline T third_pi() { return boost::math::constants::third_pi<T>(); }
- template <typename T>
- inline T half_pi() { return boost::math::constants::half_pi<T>(); }
- template <typename T>
- inline T pi() { return boost::math::constants::pi<T>(); }
- template <typename T>
- inline T one_and_half_pi() { return T(4.7123889803846898576939650749193); }
- template <typename T>
- inline T two_pi() { return boost::math::constants::two_pi<T>(); }
- template <typename T>
- inline T two_and_half_pi() { return T(7.8539816339744830961566084581988); }
- template <typename T>
- inline T two_div_pi() { return boost::math::constants::two_div_pi<T>(); }
- template <typename T>
- inline T half_pi_sqr() { return T(2.4674011002723396547086227499689); }
- template <typename T>
- inline T pi_sqr() { return boost::math::constants::pi_sqr<T>(); }
- template <typename T>
- inline T sixth() { return boost::math::constants::sixth<T>(); }
- template <typename T>
- inline T third() { return boost::math::constants::third<T>(); }
- template <typename T>
- inline T two_thirds() { return boost::math::constants::two_thirds<T>(); }
- }
- #endif
- }}}
- #endif
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