On Wed, Feb 8, 2012 at 6:59 AM, Raymond Toy <toy.raym...@gmail.com> wrote:
> Does ecl have the equivalent of cmucl's (and sbcl's)
> with-float-traps-masked
Not yet. This can be implemented using SI::TRAP-FPE
(defmacro with-float-traps-masked (&body body)
`(let ((%trap-bits (si::trap-fpe 'cl:last t)))
(unwind-protect
(progn (si::trap-fpe %trap-bits nil) ,@body)
(si::trap-fpe %trap-bits t))))
> and vector-sap?
>
Hmm, is this for the CFFI? Because it is going to depend very much on what
VECTOR-SAP has to return. For UFFI you have
SI::MAKE-FOREIGN-DATA-FROM-ARRAY which takes an array and returns an UFFI
pointer. Alternatively, C-INLINE may be easily used to retrieve the pointer
in a C format.
Oh, I also need the equivalent of without-gcing.
>
You only need them to keep the arrays from gc, but this can be ensured by
simply storing the arrays in special or local variables. ECL never moves
data around: it relies on conservative garbage collectors.
> I'm looking at trying to get matlisp to run with ecl, and now that
> someone has contributed an ffi using cffi, I thought getting matlisp
> working with ecl would be nice.
That would indeed be very nice.
Juanjo
--
Instituto de Física Fundamental, CSIC
c/ Serrano, 113b, Madrid 28006 (Spain)
http://juanjose.garciaripoll.googlepages.com
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