Bill Allombert on Thu, 20 Apr 2006 18:13:52 +0200

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Re: precision in zetak

On Mon, Apr 17, 2006 at 04:47:38PM +0200, wrote:
> Dear Pari users,
> I found, like other people before, the following trouble with the zetak
> command :
> it works properly with low precision, replying the right rational special
> value :
> 1/30 in my case.
> But when I asked for more digits, the answer turns out to be
> completely wrong.
> The good thing is that low precision is enough to recognize the rational
> appearing.
> But it took me a while to fix  this problem
>  in my whole long and high precision  routine using this command.
> As I understood from the mailing list (dev), there is no medication for this
> bug yet.

Hello Pierre,
This bug is recorded as bug #368 in our bug tracking system

There is no fix available, however my understanding is that there are 
far better algorithms to compute special values of Dedekind zeta