[A83] Re: Faster Multiplication

To: <assembly-83@lists.ticalc.org>
Subject: [A83] Re: Faster Multiplication
From: "Kirk Meyer" <kirkmeyer@bigfoot.com>
Date: Fri, 1 Jun 2001 15:35:06 -0600
Importance: Normal
In-Reply-To: <3.0.5.32.20010601150609.0082cae0@pop.snet.net>
Reply-To: assembly-83@lists.ticalc.org

In which case you would essentially be using "matrices", since you would
have to rotate each point on all three axes.

-----Original Message-----
From: assembly-83-bounce@lists.ticalc.org
[mailto:assembly-83-bounce@lists.ticalc.org]On Behalf Of Gavin Olson
Sent: Friday, June 01, 2001 1:06 PM
To: assembly-83@lists.ticalc.org
Subject: [A83] Re: Faster Multiplication

If you overwrite your original coordinates, yes, those ormulas will drift
all of the values twords 0 (on the 8086 floating-points system, I haven't
tried it on a TI) If, however, you perform the rotation and store the
values as rotated points, overwriting these rotated points with rotations
on the original values, then there is no problem.

References:

[A83] Re: Faster Multiplication

From: Gavin Olson <gtolson@snet.net>

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