[pstricks] Floating point calculations in LaTeX

[Uwe Kern]

Chris Sangwin <sangwinc at for.mat.bham.ac.uk> schrieb am 26.02.03 18:48:02:
> 
> Yes, but the problem is when you email a TeX document to other
> people!  Patches like this are not ideal, even if they work.  
 
Well, I didn't intend to change either of the original packages.
That's how I use it:

\documentclass ...
...
\usepackage{pstcol}
\usepackage{...} % other pstricks packages
\usepackage{fp-basic,fp-snap,fp-addons}
...
\makeatletter
% insert multido-patch here
\makeatother
...
\begin{document}
...

Therefore, it should be no problem to exchange documents.

> Do you know of other packages?

At the beginning of last year I did some search about (La)TeX calculation
packages (in fact, a small universe).
As far as I remember, "realcalc" and "fltpoint" did have substantially inferior
functionality as compared to "fp", so that was the choice for me.

Perhaps some other packages do exist?

If you are interested in extending fp's functionality, there is some literature
about implementing higher-level functions based on approximations with
elementary operations (like additions, shifts, etc.; I'm not talking about
Taylor series, which are often completely useless for numerical calculations).

Occasionally, I used some computing facilities of PostScript within TeX macros,
but my PS knowledge is rather rudimentary.

Uwe

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