Perhaps you should consider also the possibility of simply export the data from the R workspace to the system and make your fortran code to read these system files.
> On Thu, 2009-03-26 at 11:01 +0100, mau...@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.dalga...@biostat.ku.dk] >> Inviato: gio 26/03/2009 8.57 >> A: mau...@alice.it >> Cc: r-help@r-project.org >> Oggetto: Re: [R] Fortran-90 and R >> >> mau...@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 >> >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. > -- > %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% > Dr. Gavin Simpson [t] +44 (0)20 7679 0522 > ECRC, UCL Geography, [f] +44 (0)20 7679 0565 > Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk > Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ > UK. WC1E 6BT. [w] http://www.freshwaters.org.uk > %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.