van.nek at arcor.de
Sun Oct 21 06:57:47 CDT 2007
> > I already did this translation by myself. To me it looks like a series
> > pi = 3 + 1/8 + ...
> > but I didn't find this in any of my books or articles.
> Neither did I find it, although I have looked into a book specially devoted
> to the computation of Pi. Thus, I would also be interested in a reference
> to the algorithm.
I found, that it is the Newton series from 1665
pi = 6*asin(1/2)
If perhaps the book, you mentioned, is "Algorithmen, Computer, Arithmetik" by Arndt and
Haenel, you'll find this series on page 217 (16.55)
- or somewhere else.
I should write a short comment in float.lisp
Volker van Nek
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