Oliver, thanks again. Indeed this one was new and resulted in wrong
powers of non-units. A fixed version is available in git.
Best
Volker
2012/12/16 Oliver Kullmann <O.Kullmann at swansea.ac.uk>:
> Hello Volker,
>
> in 5.29.1 we have another bug now (new):
>
> (%i26) gf_set(2,1);
> (%o26) [1,x]
> (%i27) gf_exp(0,1);
> (%o27) 1
>
> On Mon, Dec 10, 2012 at 10:33:56PM +0100, Volker van Nek wrote:
>> In case of exponent = 1 gf_-functions use corresponding zn_-functions.
>>
>> zn_-functions also allow non-prime moduli. E.g.
>>
>> (%i7) zn_primroot(14);
>> (%o7) 3
>> (%i8) zn_order(3, 14);
>> (%o8) 6
>> (%i9) totient(14);
>> (%o9) 6
>>
>
> Good to see that; hope it makes it also into the documentation.
>
> Greetings
>
> Oliver
>
> --
> Dr. Oliver Kullmann
> Department of Computer Science
> College of Science, Swansea University
> Faraday Building, Singleton Park
> Swansea SA2 8PP, UK
> http://cs.swan.ac.uk/~csoliver/