Wigner symbols for large order

[David Gillies]

Several questions arise:

Which Wigner symbol? 3j?

Where did you get your formula from?

Where are you getting your trig functions from?

Why don't you post your code?


On Sat, Dec 27, 2008 at 12:59 PM,  <Luis.Rivera at eost.u-strasbg.fr> wrote:
>
>
>
> Hi,
>
> I would like to make the computation described in the attached
> figure (Wigner symbols or rotaion matrix elements) for very
> large values of l ( l ~ 10000, abs(m) <= l, abs(k)<=l).
>
> I coded it using mpz_t, mpq_t and mpf_t and it works properly
> until about l ~ 70. But there, all of a sudden, it starts to
> produce quite bad results. For sure I am making something wrong,
> but I have hard time tracking the problem.
>
> Some idea?
>
> Thanks,
>
> Luis
>
>
>
>
>
> _______________________________________________
> gmp-discuss mailing list
> gmp-discuss at swox.com
> https://gmplib.org/mailman/listinfo/gmp-discuss
>
>



-- 
David Gillies
San Jose
Costa Rica