find_root with bfloats



On 9/26/10, Raymond Toy <toy.raymond at gmail.com> wrote:

> As the author of the bigfloat package, I'm biased.  But, as you can see,
> I barely made any changes to find-root-subr, so it does make it easier
> to convert existing double-float routines to handle bigfloats.  The
> difficult parts are usually in figuring out when to convert to and from
> the bigfloat representation to maxima's internal bfloat representation.
>
> But here is my quick attempt at bf_find_root.  I'm pretty sure there are
> bugs here, but the couple of examples I tried work:

I don't really have any preference. So if you have a working version,
by all means please go ahead and commit it.

Robert Dodier