Re: Generating Garbage

From: Brad Lucier (lucier_at_math.purdue.edu)
Date: 04/09/04 

Date: 9 Apr 2004 01:21:03 -0700

David Steuber <david.steuber@verizon.net> wrote in message news:<m2r7vt3bn4.fsf@david-steuber.com>...
>
> What's important is that Z^2 looks like this:
>
> (a+bi)(a+bi) = (aa - bb) + (2ab)i

For high-precision calculations, it may be useful to organize this as

(a+bi)(a+b1)= (a+b)(a-b) + (2ab)i

and trade off one multiplication for one addition.

Brad