Re: GCL/maxima/axiom/acl2, denormalized floats, and alpha
Greetings! So should this be filed as a bug, and if so, against which
package?
Take care,
Tyson Whitehead <twhitehe@uwo.ca> writes:
> On Wed October 18 2006 14:03, Falk Hueffner wrote:
> > Camm Maguire <camm@enhanced.com> writes:
> > > Casting the smallest denormalized shortfloat to a double in a function
> > > argument is destroying the number in the callee. Do you know of a
> > > workaround?
> >
> > What kind of machine is this on? Might also be a kernel bug. Do you
> > have a stand-alone testcase?
>
> Actually, that's a really good point.
>
> Upon reading it, I recalled discovering, and posting to this list a while ago,
> that the kernel's denormalized number fixup for EV56 and earlier CPUs had
> been broken in later kernels.
>
> (see the thread "Kernel IEEE Math Completion (everything is zeroed!?!)"
> at "http://lists.debian.org/debian-alpha/2006/06/";)
>
> That long and the short is that we figured out that it was busted somewhere
> between 2.4.27 and 2.6.16, but no solutions were purposed.
>
> Later! -T
>
> --
> Tyson Whitehead (-twhitehe at uwo.ca -- MC-)
> Computer Engineer Dept. of Applied Mathematics,
> Graduate Student- Applied Mathematics University of Western Ontario,
> GnuPG Key ID# 0xF7666BFF London, Ontario, Canada
--
Camm Maguire camm@enhanced.com
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