|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, Pierre.Charollois@math.u-bordeaux1.fr 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 (<http://pari.math.u-bordeaux.fr/Bugs>) There is no fix available, however my understanding is that there are far better algorithms to compute special values of Dedekind zeta functions. Cheers, Bill.