[TriLUG] OT: C++ Question

Randy Barlow rpbarlow at ncsu.edu
Tue Jan 31 11:19:12 EST 2006


Brian Henning wrote:

> Of course, my geometry skills are very faded at this point, but can 
> you really subtract a point from a vector?  I wouldn't know how to do 
> that.  In my ignorance of geometric operations, I'd suggest removing 
> the operator-(point3d) function altogether.  That's the only member of 
> vector3d (such as it is now) that has a reference to point3d.  If you 
> really need the function, maybe make a reverse-logic member function 
> of point3d such as vector3d subtractFrom(vector3d) which would 
> subtract itself from a vector and return the resultant vector.

Thanks Brian, I don't know what I was thinking there!  Removed that 
function, and now we have compilage!  Now to move on to the real 
problems (intent errors...)

-- 
Randy Barlow
Research Assistant
Department of Electrical and Computer Engineering
North Carolina State University, Raleigh, NC
rpbarlow at ncsu.edu
http://www.electronsweatshop.com




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