[Maxima] ECL? was ..Re: Runtime determination of share directories?
michael.abshoff at googlemail.com
Fri Jan 23 16:13:00 CST 2009
Dieter Kaiser wrote:
> Am Freitag, den 23.01.2009, 16:17 -0500 schrieb Raymond Toy:
>> Michael Abshoff wrote:
>>> Mhhh, maybe I did not name the right package? I am referring to the
>>> recent work of Dieter Kaiser implementing more special functions and I
>>> do recall him increasing the number of bits used internally for some
>>> computations to ensure identical results on various lisps.
>> There was some discussion about the gamma function, but I think
>> increasing the number of bits wasn't actually done.
>> As far as I know, the bigfloat implementations of the special functions
>> are truly identical.
> We have added four digits to fpprec for the calculation of the Gamma
> function in bigfloat and complex bigfloat precision. We have done that
> to increase the precsion of the algorithm itself. There were no problems
> with different Lisps.
> Yes, the numerical algorithm for the implemented special functions in
> float or bigfloat precison are identical.
Thanks for clearing that up.
> Dieter Kaiser
> Maxima mailing list
> Maxima at math.utexas.edu
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