Message-ID: <Pine.GSO.4.31.0107250727530.27616-100000@auk.stats>
Date: 2001-07-25T06:32:33Z
From: Brian Ripley
Subject: using compiled fortran in R
In-Reply-To: <3B5E130A.8FA25C77@scharp.org>
See `Writing R Extensions' for the information.
R CMD SHLIB hello.f
> dyn.load("hello.so")
might be what you need. dyn.load in R loads shared libraries (on Linux),
not .o objects. The error message does say your hello.o is not a valid
shared library.
Looks like the help page for dyn.load needs a cross-reference to SHLIB.
On Tue, 24 Jul 2001, Natalie Hawkins wrote:
>
> Hi,
>
> I would like to use a Fortran subroutine in R. I have checked the R
> docs and Newsletter,
> but..., I am unable to load an object file into R.
>
> The steps I have taken are (on Debian Linux/recent Intel-type chip ):
>
> 1. g77 -c hello.f
> to create hello.o
>
> 2. mymachine> R
> to start R
>
> 3. > dyn.load("hello.o")
> at which point I am getting the error msg:
>
> Error in dyn.load(x, as.logical(local), as.logical(now)) :
> unable to load shared library "/home/hawkins/Rfortran/hello.o":
> /home/hawkins/Rfortran/hello.o: ELF file's phentsize not the expected
> size
>
> Can anyone (please) correct my procedure, offer a suggestion?
>
> thanks,
> Natalie Hawkins
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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