Module ellipsoidalBase

(INTERNAL) Private ellipsoidal base classes CartesianEllipsoidalBase and LatLonEllipsoidalBase.

A pure Python implementation of geodesy tools for ellipsoidal earth models, transcoded in part from JavaScript originals by (C) Chris Veness 2005-2024 and published under the same MIT Licence**, see for example latlon-ellipsoidal.