At 10:45 AM 12/25/2006, Scott wrote:
>Hi Robert,
>
>If the implementation of the arctan is for a PIC, then you may wish to
>consider:
>
>http://www.dattalo.com/technical/software/pic/arctan.asm
>
>This also has a similar error (~1/200) and doesn't involve any annoying
>division. On the other hand, the returned result is in normalized radians
>and thus may require an addition multiplication to convert to what ever
>units you're using. (However, it should be pointed out that the lookup
>table can be converted into other units).

Thanks, Scott.

I'll implement my formula and compare to yours in terms of complexity and 
space. I'll post the program when I'm done.


================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS  e-mail: ral@lcfltd.com
Least Cost Formulations, Ltd.            URL: http://lcfltd.com/
824 Timberlake Drive                     Tel: 757-467-0954
Virginia Beach, VA 23464-3239            Fax: 757-467-2947

"Vere scire est per causas scire"
================================================================

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