[R] Armadillo error in R extension

[Simon Zehnder]

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
>> 
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