Karim BELABAS on Mon, 22 Sep 2003 14:02:41 +0200 (MEST) |
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Re: rnfpolred bug |
On Mon, 15 Sep 2003, Bill Allombert wrote: > It seems that rnfpolred has a bug when used with bnf: > > ? rnfpolred(nfinit(polcyclo(3,a)),x^3-19); > time = 30 ms. > ? rnfpolred(bnfinit(polcyclo(3,a)),x^3-19); > *** user interrupt after 1mn, 41,460 ms. A typo when computing the relative T_2 matrix (missing conjugate), which ends up not being positive [ so that precision problem is detected --> oo loop ] Fixed in CVS. Karim. -- Karim Belabas Tel: (+33) (0)1 69 15 57 48 Dép. de Mathématiques, Bât. 425 Fax: (+33) (0)1 69 15 60 19 Université Paris-Sud http://www.math.u-psud.fr/~belabas/ F-91405 Orsay (France) http://www.parigp-home.de/ [PARI/GP]