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DavidGeorge528 / minigeolib

Automatically exported from code.google.com/p/minigeolib
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Check the validity of a 3D direction #77

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
The direction is valid if all its components are valid and all its 
components are not simultaneous zero.

Original issue reported on code.google.com by cpi...@gmail.com on 18 Apr 2009 at 4:33