[R] R and Fortran

From: Derrick Lee <d.lee_at_stat.ubc.ca>
Date: Mon, 09 Jun 2008 15:11:30 -0700

Dear Fellow R-Users,

I am having some difficulties loading a Fortran subroutine into R and wondering if anyone could lend me some insight to this problem. When I load some simpler Fortran codes into R, it loads fine, but when I load more complex codes I get the following error:

        Error in dyn.load(x, as.logical(local), as.logical(now)) :
                unable to load shared library 
"/nfs/home/grad/d.lee/Testing/chol.o":
          ld.so.1: R: fatal: relocation error: file 
/nfs/home/grad/d.lee/Testing/chol.o: symbol s_wsle: referenced symbol not found

 From what I have gathered, it appears to be a problem when with linking the library to the Fortran system library, but I am unsure how to deal with this. As well, I was wondering why I am unsuccessful loading those same "successful" codes when I go from a 32-bit machine to a 64-bit machine, why does that cause such a big issue? The current 32-bit machine that runs R is:

platform sparc-sun-solaris2.8

arch     sparc              
os       solaris2.8         
system   sparc, solaris2.8  
status                      
major    2                  
minor    0.1                
year     2004               
month    11                 
day      15                 

language R

Any help to these queries would be very much appreciated. Cheers.

Sincerely

 Derrick Lee, MSc Candidate
 Department of Statistics
 The University of British Columbia
 LSK-314A | 604 - 822 - 1299 x532
 d.lee at stat dot ubc dot ca | dgylee at mun dot ca  www.stat.ubc.ca/~d.lee/ | www.math.mun.ca/~derrick0/



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