Thanks JJ, this is actually the answer I was expecting but I wanted to make
sure.
Regards,
Charles
On Mon, Aug 15, 2016 at 8:20 AM, JJ Allaire <jj.alla...@gmail.com> wrote:
> Rcpp attributes only work for global/free functions rather than class
> members. If you want to share clashes between packages the only good way to
> do it is header-only classes that you put in inst/include.
>
> On Mon, Aug 15, 2016 at 6:17 AM Charles Determan <cdeterma...@gmail.com>
> wrote:
>
>> Greetings,
>>
>> I am trying to integrate some packages of mine so they can share some of
>> the same C++ functions (not exposed to the R front-end user). Here is my
>> basic structure of the package I wish to export functions.
>>
>> Class defined in header (foo.h) complete with all public and private
>> members.
>>
>> Members defined in cpp file (foo.cpp).
>> This is also where I thought I could use the Rcpp::interfaces(cpp)
>> function generate the header file automatically (as I am not aware of a
>> nice linking operation between multiple package .so files). So each method
>> is prefixed with //[[Rcpp::export]] for the package building.
>>
>> I liked this approach because I wouldn't have to rewrite all my methods
>> to the header file manually. However, this doesn't appear to be working.
>> I am getting errors on the first method (I have tried only exporting one
>> method and I get the same error).
>>
>>
>> In file included from ../inst/include/gpuR.h:7:0,
>> from RcppExports.cpp:4:
>> ../inst/include/gpuR_RcppExports.h:28:20: error: expected unqualified-id
>> before ‘<’ token
>> inline template<typename T> dynEigenMat<T>::dynEigenMat(SEXP A_) {
>> ^
>> RcppExports.cpp:3313:1: error: expected ‘;’ at end of input
>> }
>> ^
>> RcppExports.cpp:3313:1: error: expected ‘}’ at end of input
>>
>>
>> Any insight would be appreciated. Not sure if it is a problem with using
>> the template methods or if this means I simply have a typo somewhere (I
>> don't think so given that the code works without using the Rcpp interfaces
>> attribute.
>>
>> Regards,
>> Charles
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>
>
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