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/OK3568_Linux_fs/buildroot/dl/qt5location/git/src/3rdparty/mapbox-gl-native/deps/boost/1.65.1/include/boost/geometry/strategies/geographic/
H A Darea.hpp108 CT const sqrt_e2 = math::sqrt(e2); in authalic_radius() local
112 ((math::sqr(get_radius<2>(sph)) * boost::math::atanh(sqrt_e2)) in authalic_radius()
113 / (c2 * sqrt_e2)); in authalic_radius()