Re: Multi-precision (was...Please give me advice)
On 2010-10-14 15:15:48 +0200, Arnold Neumaier wrote:
> John Pryce wrote:
> >On 12 Oct 2010, at 13:58, Paul Zimmermann wrote:
> >>...As Dan said, this motion is a
> >>hard one, where people on the list have strong opposite opinions. An extended
> >>discussion period would be welcome, and the revised motion --- if any ---
> >>should clarify what are the exact consequences for the standard. In particular:
> >>
> >>* would a multiple-precision implementation that only implements mid-rad be
> >>compliant? (With a multiple-precision 'mid' and a fixed precision 'rad'.)
>
> It should not, as it has the same problems as mid-rad in representing
> intervals such as [1,inf].
But multiple-precision packages could still store such intervals under an
alternate form, possibly converting them to Entire before an operation.
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Vincent Lefèvre <vincent@xxxxxxxxxx> - Web: <http://www.vinc17.net/>
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