[sage-devel] Re: Sage 3.1.2.alpha1 released

[mabshoff]

On Aug 28, 6:30 am, "William Stein" <[EMAIL PROTECTED]> wrote:
> On Wed, Aug 27, 2008 at 10:22 PM, mabshoff <[EMAIL PROTECTED]> wrote:

<SNIP>

> > Yeah, the above looks odd. Maybe William can tell us what is happening
> > here.
>
> I think the above is just numerical noise.  The Viterbi algorithm
> is an approximate numerical algorithm using double precision numbers,
> and can give slightly different answers on different hardware.
> Can you change the doctest to:
>
>      sage: a.viterbi([1,0,0,1,0,0,1,1])  # numerical instability on
> some platforms
>     ([1, 0, 0, 1, ..., 0, 1, 1], -11.06245322477221...)
>
> William

This is now #3978

Cheers,

Michael
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