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.
Thank you.
Maura 

-----Messaggio originale-----
Da: Peter Dalgaard [mailto:p.dalgaard@biostat.ku.dk]
Inviato: gio 26/03/2009 8.57
A: mauede@alice.it
Cc: r-help@r-project.org
Oggetto: Re: [R] Fortran-90 and R
 
mauede@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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