Re: Proposal for the geometric engine, RFC

[Dylan Paul Thurston <dpt@math.berkeley.edu>]

On Mon, Mar 13, 2000 at 08:56:29PM +0800, Hilaire Fernandes wrote:
> 
> The geomtric engine will go into deep change in the next month, I
> enclose there what i'm going to change, If you have suggestion you
> want to appear, this is the good time to tell me.

Another thought...

How about including inversion in a circle in the "Transformations"
menu?  One thing to think about is that the inverse of a circle can be
either a circle or a line; there are numerical stability issues to
think about.

Best,
	Dylan Thurston