Karim Belabas on Fri, 13 May 2005 18:20:56 +0200 |
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Re: bug in ellminimalmodel() |
* Prof. J. E. Cremona [2005-04-27 22:46]: > After ellminimalmodel() the second coefficient should be in {-1,0,1} > but it isn't. A second call to ellminimalmodel() does the trick. > > John > > > GP/PARI CALCULATOR Version 2.2.11 > (development CHANGES-1.1201) > i686 running linux (ix86 kernel) > 32-bit version > compiled: Apr 26 2005, gcc-3.3.2 20031022 (Red > Hat Linux 3.3.2-1) > (readline v4.3 enabled, extended help > available) > > Copyright (C) 2000-2005 The PARI > Group > > PARI/GP is free software, covered by the GNU General Public License, > and comes WITHOUT ANY WARRANTY WHATSOEVER. > > Type ? for help, \q to quit. > Type ?12 for how to get moral (and possibly technical) support. > > parisize = 10000000, primelimit = 1000000 > > gp > e=ellinit([1, -1, 1, -49952, 3713689]); > gp > ellminimalmodel(e) > %2 = [1, 2, 0, -615, 4615, ... Indeed. It's now fixed in CVS. Thanks! Karim. -- Karim Belabas Tel: (+33) (0)1 69 15 57 48 Dep. de Mathematiques, Bat. 425 Fax: (+33) (0)1 69 15 60 19 Universite Paris-Sud http://www.math.u-psud.fr/~belabas/ F-91405 Orsay (France) http://pari.math.u-bordeaux.fr/ [PARI/GP]