[Proj] Implementation of ECEF to geodetic coords (closed form solution)

[Gerald I. Evenden]

On Thursday 29 January 2009 22:14:53 Charles Karney wrote:
> I've updated GeographicLib to include ECEF and local Cartesian
	...
> However, I have extended the method to ensure that it works close to the
> center of the ellipsoid.  I believe that the accuracy is close to the
> round-off limit for all inputs.

What do you mean by "close to the center of the ellipsoid"?
...
-- 
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