[Maxima] find_root with bfloats
robert.dodier at gmail.com
Wed Sep 22 10:14:40 CDT 2010
On 9/21/10, Kostas Oikonomou <ko at research.att.com> wrote:
> I am experimenting with converting find_root to use bfloats.
Hmm, that sounds interesting. Let us know how it turns out.
> I changed the constants at the beginning of intpol.lisp to
> bfloats, the two occurrences of $float to $bfloat, but now I
> am left with two instances of coerce-float-fun. This does
> not appear to have a straightforward bfloat analogue.
COERCE-FLOAT-FUN (or coerce-float-fun; crazy CL case policy)
is defined in src/plot.lisp. It is certainly possible to create a
bigfloat version. It is probably easy to cover 90% of the
possibilities with some quick hackery, so I encourage you to
give it a try. We can sort out the remaining edge cases after
you make some progress on it.
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