similar to: R crash with dyn.load

Hi, I'm trying to write modified versions of R save/load functions which read from/write to a char array instead of a file pointer. I want to compile my functions into a library and dyn.load them. Of course the new functions mySave/Load will use some of the internal R functions used by save/load, for example "MarkSave" (to be found in .../src/main/saveload.c). I declared them as

I'm trying to install R on a Red Hat 3.0.3 system, but cannot seem to get dyn.load() to fuction. The configure script says: checking for dlopen in -ldl... no And compiling fails at ../lib/libunix.a Any suggestions? What should I do to be able to use dyn.load()? I cannot upgrade the system to a higher version of Red Hat, but I will probably get away with installing some new

Hi, I've created a shared library from including this code (with g++ -I/usr/local/lib/R/include -I/usr/local/include -c Rtest.cpp; g++ -shared -L/usr/local/lib -o Rtest.so Rtest.cpp): void check_data (SEXP data) { int l=length (data); } But when I try to load it in R I get this error message: unable to load shared library ... ... undefined symbol: _Z9Rf_lengthP7SEXPREC How can I solve

I tried to dynamically load a c++ function. Everything seems to be OK when dyn.load() is executed but then I get this error Error in .C("integral", sumInMean, sumInVar, boundError, numberSampleClasses, : C/Fortran function name not in load table The code of the function is something like this: #include <cmath> extern "C" { #include

.Call("compute_values_cpp") Also, if you were passing arguments to the C++ function you would need to declare the function differently. Do a search on "Rcpp calling C++ functions from R" HTH, Eric On Sun, Dec 3, 2017 at 3:06 AM, Martin M?ller Skarbiniks Pedersen < traxplayer at gmail.com> wrote: > Hi, > > I have written a small C++ function and compile it.

Hi everybody, I'm working on Mac OS X and R-2.1.0 (by the way, sorry for the multiple emails last time, had a technical problem, and thanks for the constructive comments.) I have a .R function which calls a .C function. The R function's name is K_MEANSR.R and the other is K_MEANSC.C. I compile it with 'R CMD SHLIB K_MEANSC.C' in the terminal. I get both .so and .o files.

Trying to install latest rjags (3-5) from CRAN with JAGS 3.2.0 installed on Ubuntu 10.04, with r-devel ... the bottom line is that it fails while loading with /libs/rjags.so: undefined symbol: _ZN7Console15checkAdaptationERb Has anyone else seen this or is it a glitch somewhere in my system? thanks Ben Bolker ================== bolker at ubuntu-10-new:~/R/pkgs/rjags$ jags Welcome to

Hi, I am trying to modify the devX11.c source in the directory R-2.4.1/ src/modules/X11. Under OS X 10.4.9 running the R gui (R version 2.4.1) on a Powerbook, i type this and get the subsequent error. > dyn.unload("/Library/Frameworks/R.framework/Resources/modules/ppc/ R_X11.so") Error in dyn.unload(x) : dynamic/shared library '/Library/Frameworks/

Hi, I am having trouble with some code that I am dyn.loading. I am writing an interface to ARPACK. I compile my interface (dssimp.cc), and link it against the ARPACK library (libarpack_SUN4.a): g++ -shared -static -fPIC dssimp.cc -o dssimp.so -larpack_SUN4 -lg2c -lm I can dyn.load the code and it appears OK. However, when I call my function, the call to the function in the ARPACK library

Full_Name: Jonathan Tuke Version: 2.4.0 OS: Mac OS X 10.4.8 Submission from: (NULL) (203.173.46.189) I am writing C code to implement in R. I am using R CMD SHLIB and then dyn.load("file.so"). The function I then call with .C("function"). Since I installed the latest R version, I have found that if I alter my C code and recompile, then use dyn.load("file.so"), the

I hope that someone reading this list can offer some suggestions on how I can incorporate external C libraries in C functions that I want to call from R. I have gone through all of the documentation, help files and mailing list archives and have not been able to find a satisfactory solution. I have constructed a simple example of the problem, since my "real" program is much more

Hi, I have written a small C++ function and compile it. However in R I can't see the function I have defined in C++. I have read some web-pages about Rcpp and C++ but it is a bit confusion for me. Anyway, This is the C++-code: #include <Rcpp.h> using namespace Rcpp; // [[Rcpp::export]] List compute_values_cpp(int totalPoints = 1e5, double angle_increment = 0.01, int radius =

Hi, I wondered about the behavior described in the following stackoverflow question: https://stackoverflow.com/questions/20674538/mclapply-returns-null-randomly More specifically, I would like to know if you ever considered the suggestion made in the comments of the first answer, namely to somehow warn the user if one of the processes has been killed by the out-of-memory killer ? I am always

Hello: I am having some difficulty with a DLL, using > version _ platform i386-pc-mingw32 arch x86 os Win32 system x86, Win32 status major 1 minor 2.1 year 2001 month 01 day 15 language R I have a library called

Hello R developers, I am working on the "seqinr" package and I encounter a tricky problem using a C function. We defined a C fonction called "getzlibsock" which is dedicated to compressed socket connections. This function is using the R internal C function called "getConnection(int)" in order to get information about the socket previously opened with the

Hello, I am observing the following strange behavior when I try to load a shared library using dyn.load() under Linux... The library foo.so refers to a symbol in another package bar (with shared library bar.so), I get: dyn.load('foo.so') # error message because I forgot to load bar library(bar) # so I fix it dyn.load('foo.so') # works this time and everything is fine But, if

Hello, The following two patches add an additional offset part in the FB resize event. Samuel _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

After having browsed the documentation for a while without discovering what I am looking for, maybe one of you would know ... What I want to do: I have two fortran files MC.f and ESCA.f. In MC.f there is a call to a routine called lpost. This routine (lpost) is defined (among other things) in ESCA.f. Under linux, I can do the following: R CMD SHLIB MC.f and R CMD SHLIB ESCA.f followed by

Sorry if this is somewhere in the fine manuals but I've been unable to locate it. Does dyn.load use a search path or does it just look in the current directory for non-fully-qualified filenames? If there is a search path, what is it? Thanks for your help -- View this message in context: http://www.nabble.com/dyn.load-search-path--tp25492214p25492214.html Sent from the R help mailing list

Hi, here are a couple of strange things happening with R.2.2.0 compiled under Mandrake-10.1 At the begining of the story I have segmentation fault using package RandomFields in conjuction with some Fortran code of mine loaded with dyn.load. One of my fortran programs contains a subroutine named fstat Trying to trace , I simplified the sequence as much as possible and I end up with the the