Re: znlog() behavior

[Max Alekseyev <maxale@gmail.com>]

On Mon, Jul 25, 2011 at 2:22 AM, Karim Belabas
<Karim.Belabas@math.u-bordeaux1.fr> wrote:
> * Bill Allombert [2011-07-24 00:11]:
>> On Wed, Jul 20, 2011 at 03:31:53PM +0200, Max Alekseyev wrote:
>> > And here is another bug, isn't it?
>> >
>> > ? znlog(6,Mod(2,7),znorder(Mod(2,7)))
>> > %2 = 1
>>
>> Sort of. (The code actually returns 3\2, see the attached patch which fix this issue).
>> The problem is that there is no interfaces for reporting "no solution".
>
> I have implemented one in current svn: return the "impossible value" []
> if there are no solution (same convention as in bestappr(), for instance).

Thank you for the fix.
However in the following example it still returns garbage:

? znlog(7,Mod(3,8),znorder(Mod(3,8)))
%1 = 1

Regards,
Max