Re: gEDA-user: OT: Opencores CORDIC - bugs?

[Darrell Harmon <dlharmon@xxxxxxxxxxxx>]

On Fri, Mar 09, 2007 at 08:51:37PM -0800, Ben Jackson wrote:
> On Sat, Mar 10, 2007 at 04:14:19AM +0000, Peter Clifton wrote:
> 
> > Perhaps the best way is for me to keep the cordic operating in the
> > 0<->45 degree angle range, rather than the -45<->45 I've been using so
> > far.
> 
> I thought that was required, but I haven't seen the opencores
> implementation.
> 
> -- 
> Ben Jackson AD7GD

CORDIC should be able to handle +90 to -90 degrees with no prerotate
stage. With the addition of a 90 degree prerotate stage, the range
becomes -180 to +180 degrees.

-- 
Darrell Harmon
http://dlharmon.com


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