Re: A89: sine and cosine

To: assembly-89@lists.ticalc.org
Subject: Re: A89: sine and cosine
From: BLoWh0Le@aol.com
Date: Mon, 29 Nov 1999 00:31:41 EST
Reply-To: assembly-89@lists.ticalc.org


In a message dated 11/28/99 4:34:26 PM Pacific Standard Time, 
zoltan@bendor.com.au writes:

<< If space is at permium, you should use the CORDIC algorithm, which 
 takes as many iteration as many bits you need and each iteration 
 consist of a shift and a few adds. That is, the CORDIC gives you 
 a sine/cosine pair in the time of a SW multiplication which IMHO 
 is *damned* quick. CORDIC is also suitable for many other 
 transcendental functions. >>

from what i was able to gather about the CORDIC algorithm, i would need a 
lookup table for arctan values.  i think it would be jumping through one less 
hoop just to make a table for cos values.  if i am wrong, please correct me.

Follow-Ups:

Re: A89: sine and cosine

From: Zoltan Kocsi <zoltan@bendor.com.au>