[CLN-list] Re: applicability of AGM and binsplit

[Joerg Arndt]

* Richard B. Kreckel <kreckel at ginac.de> [Jan 26. 2008 17:04]:
> [...]
> With the truncation technique I described earlier, the memory needed is 
> basically independent of the series. The growth of numerator and 
> denominator is limited to the precision of the result. The computation of 
> Euler's γ in CLN-1.2.0 is actually an excellent example for this. See the 
> two graphs at [0] and observe that the blue curves' maximum is not so 
> different after all (it peaks at 8.4MiB for π and for 15.6MiB for γ.) 
> What you write is correct without truncation, though. See the red and green 
> curves.

Oha!
I'll update (brain & text), thanks for the input!

>
> Cheers
>   -richy.
>
> [0] <http://www.ginac.de/~kreckel/news.html#EulerConstantOneBillionDigits>

cheers,   jj