|Bill Allombert on Wed, 12 Jan 2011 14:12:36 +0100|
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|Re: Possible bug in znprimroot|
On Wed, Jan 12, 2011 at 03:00:14AM -0500, Max Alekseyev wrote: > myroots(p) expects p to be prime, while 1729 is not prime. > That's probably the reason that triggers the bug. > Anyway, Floating Point Exception should not happen under any circumstances. Agreed, but this only onccurs with PARI 2.4.2. With PARI 2.4.3, this results in an infinite loop instead. This is in line with the documentation that state that: If the group is not cyclic, the result is undefined. Cheers, Bill.