[R] Rcpp segmentation faults on the simplest code
edd at debian.org
Thu Apr 14 22:25:01 CEST 2011
On 14 April 2011 at 03:56, didu wrote:
| Hi all,
| I'm new to R and Rcpp, and I'm trying to learn Rcpp with the simplest code
| possible. My goal is to be able to call R functions from C++.
Just to set the record straight here for purpose of the mailing list archive:
the original poster had a severe misunderstanding of Rcpp (which is used to
extend R with C++ code) and RInside (which is used to embed R in standalone
The four-liner below is nonsensical as posted, yet its authors is now on his
merry way thanks to a discussion on the rcpp-devel list where this should
been posted in the first place.
| The code I'm trying to run is:
| int main(int argc, char* argv)
| Rcpp::NumericVector v(1);
| return 0;
| It compiles and links fine. However, as soon as I run it, it segfaults. The
| following is the gdb trace:
| <co(gdb) run
| Starting program: /home/jingy/tmp/stl
| [Thread debugging using libthread_db enabled]
| Program received signal SIGSEGV, Segmentation fault.
| 0x00002aaaabb86d70 in ?? () from /usr/lib/libR.so
| (gdb) up
| #1 0x00002aaaabb8849b in Rf_allocVector () from /usr/lib/libR.so
| #2 0x0000000000401618 in Vector (this=0x7fffffffd880, size=@0x7fffffffd89c)
| at /usr/local/lib/R/site-library/Rcpp/include/Rcpp/vector/Vector.h:130
| 130 RObject::setSEXP( Rf_allocVector( RTYPE, size) ) ;
| #3 0x0000000000401438 in main (argc=1, argv=0x7fffffffd998) at stl.cpp:8
| 8 Rcpp::NumericVector v(1);
| Initial frame selected; you cannot go up.de>
| I installed the following R packages using "dpkg -i" on my Ubuntu 9.04 amd
| 64 OS:
| i installed Rcpp_0.9.4.tar.gz using the command:
| R CMD INSTALL Rcpp_0.9.4.tar.gz
| Any help would be greatly appreciated.
| Thanks a lot.
| View this message in context: http://r.789695.n4.nabble.com/Rcpp-segmentation-faults-on-the-simplest-code-tp3449290p3449290.html
| Sent from the R help mailing list archive at Nabble.com.
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| PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
| and provide commented, minimal, self-contained, reproducible code.
Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com
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