[Developers] Patch: Improve range of complex division

[Tom Goodale]

Looks reasonable.

Please put a reference to somewhere where this is discussed (web page, 
book, etc) and then apply.

Thanks,

Tom

On Sat, 30 Apr 2005, Erik Schnetter wrote:

> Prevent unnecessary overflow or underflow in complex division by
> rescaling the arguments.  This is a standard algorithm.
>
> -erik
>
>