altoslib: Add range and elevation to AltosGreatCircle
authorKeith Packard <keithp@keithp.com>
Fri, 12 Apr 2013 06:56:47 +0000 (23:56 -0700)
committerKeith Packard <keithp@keithp.com>
Fri, 12 Apr 2013 06:58:56 +0000 (23:58 -0700)
Move the computations from AltosState here so they can be re-used elsewhere.

Signed-off-by: Keith Packard <keithp@keithp.com>

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