Is there anyway with some experience in using armadillo in R C++ extensions?
My problem is the following:
I programmed a function in a header looking like
#include <armadillo>
inline arma::vec foo(input) {
... do something
return an arma::vec object
}
compiling this via R CMD INSTALL packagename (PKG_CXXFLAGS = -I/folder/of/armadillo and armadillo_bits in my package)
I get the following error
"error: expected initializer before 'foo' "
The exact line and word is where inline arma::vec ends.
Does anyone know what this error could be?
Best
Simon
Armadillo error in R extension
4 messages · Dirk Eddelbuettel, R. Michael Weylandt, Simon Zehnder
On 1 February 2013 at 21:38, Simon Zehnder wrote:
| Is there anyway with some experience in using armadillo in R C++ extensions?
Yes, sure -- we wrote (and use) a package RcppArmadillo that provides very
easy access to Armadillo via Rcpp.
| My problem is the following:
|
| I programmed a function in a header looking like
|
| #include <armadillo>
|
| inline arma::vec foo(input) {
|
| ... do something
|
| return an arma::vec object
| }
|
| compiling this via R CMD INSTALL packagename (PKG_CXXFLAGS = -I/folder/of/armadillo and armadillo_bits in my package)
|
| I get the following error
|
| "error: expected initializer before 'foo' "
|
| The exact line and word is where inline arma::vec ends.
|
| Does anyone know what this error could be?
We do. I would like to invite to subscribe to the rcpp-devel list, to peruse
its list archives, to study the RcppArmadillo examples (which cover all this)
and, if you still have questions, pose a small reproducible example on the
rcpp-devel list.
Also, we recently opened the "Rcpp Gallery" (http://gallery.rcpp.org) which
has a set of RcppArmadillo related posts you can read via the tags
http://gallery.rcpp.org/tags/armadillo/
Hope this helps, Dirk
Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com
Look up the terribly wonderful RcppArmadillo package. MW
On Feb 1, 2013, at 8:38 PM, Simon Zehnder <szehnder at uni-bonn.de> wrote:
Is there anyway with some experience in using armadillo in R C++ extensions?
My problem is the following:
I programmed a function in a header looking like
#include <armadillo>
inline arma::vec foo(input) {
... do something
return an arma::vec object
}
compiling this via R CMD INSTALL packagename (PKG_CXXFLAGS = -I/folder/of/armadillo and armadillo_bits in my package)
I get the following error
"error: expected initializer before 'foo' "
The exact line and word is where inline arma::vec ends.
Does anyone know what this error could be?
Best
Simon
______________________________________________ R-help at 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.
Dear Michael, during the last days of programming I came across RcppArmadillo (Rcpp) and for my kind of work this is indeed pretty interesting. So, I will take a closer look today what it is about and how it works. As a C++ programmer though, I am still interested why compilation of my package fails at this point of code. I hope I get a little more insight on the Rcpp-devel list suggested by Dirk! Thanks for your comment! Simon
On Feb 2, 2013, at 12:14 AM, Michael Weylandt <michael.weylandt at gmail.com> wrote:
Look up the terribly wonderful RcppArmadillo package. MW On Feb 1, 2013, at 8:38 PM, Simon Zehnder <szehnder at uni-bonn.de> wrote:
Is there anyway with some experience in using armadillo in R C++ extensions?
My problem is the following:
I programmed a function in a header looking like
#include <armadillo>
inline arma::vec foo(input) {
... do something
return an arma::vec object
}
compiling this via R CMD INSTALL packagename (PKG_CXXFLAGS = -I/folder/of/armadillo and armadillo_bits in my package)
I get the following error
"error: expected initializer before 'foo' "
The exact line and word is where inline arma::vec ends.
Does anyone know what this error could be?
Best
Simon
______________________________________________ R-help at 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.