On 10/31/09, Dieter Kaiser <drdieterkaiser at web.de> wrote:
> The abs function is a simplifying function, which calls cabs, when the
> argument seems to be complex. That is not perfectly implemented. More
> work can be done.
>
> The cabs function is a verb function, which assumes a complex argument.
> Therefore the argument is always split into a real and imaginary part.
Hmm. Does this suggest that cabs should be hidden from the user,
and only called from abs as necessary?
I've often wondered about abs vs cabs myself ....
best
Robert Dodier