[R] R: Fortran-90 and R

[Gavin Simpson]

On Thu, 2009-03-26 at 11:01 +0100, mauede at alice.it wrote:
> I do hope the chapte about "Interfacing R and Fortran" is sufficient. 
> I have a heavy load of work from two projects and no previous experience in either cases (analysis packages,
> algorithms, and so on ...). I am a postdoc.

Ranjan Maitra

Posted this link

http://www.stat.umn.edu/~charlie/rc/

last week. I found this quite simple to follow, so it might be a useful
companion to the Writing R Extensions manual already suggested. The link
above doesn't specifically address fortran 90, but if special handling
of f90 code is required, the Writing R Extensions manual will tell you
what needs to be done differently.

HTH

G

> Thank you.
> Maura 
> 
> -----Messaggio originale-----
> Da: Peter Dalgaard [mailto:p.dalgaard at biostat.ku.dk]
> Inviato: gio 26/03/2009 8.57
> A: mauede at alice.it
> Cc: r-help at r-project.org
> Oggetto: Re: [R] Fortran-90 and R
>  
> mauede at alice.it wrote:
> > I have some code in Fortran-90 that outperforms my R implementation of the same algorithm (in terms of speed).
> > I wonder whether it is possible to interface R with Fortran-90. that is would like to call a Fortran routine from my R 
> > script, passing to the Fortran routine some real numbers array, some scalar real numbers, and an integer number . 
> > I have no idea how to do that because Fortran is a compiled language whereas R s an interpreted language ..
> > therefore I do not know whetehr it makes any sense to build a make file for the linker ... Is the linker necessary ?
> > 
> > Thank you very much.
> > Maura
> 
> You need to read this:
> 
> http://cran.r-project.org/doc/manuals/R-exts.pdf
> 
> 	-p
> 
> 
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