Ah, that made it click. Thank you so much for the help.
On Tue, Aug 7, 2012 at 2:56 PM, Dirk Eddelbuettel <e...@debian.org> wrote:
>
> On 7 August 2012 at 14:43, Stephen J. Barr wrote:
> | Thanks for the pointer to sugar.
> |
> | I was just trying to think of a simple example. So my C++ code will be
> | essentially:
> |
> | int main() {
> |
> | RInside R(argc, argv); // create an embedded R instance
> | R.parseEval("X = generateSomeMatrix()");
>
> You need something like we use in the example rinside_sample1.cpp I already
> pointed you too:
>
> Rcpp::NumericVector v = R.parseEval(str); // eval string, Z then
> assigned to num. vec
>
> as you need __assign__ the result of the parseEval() to something.
>
> This could be as generic as
>
> SEXP mytmp = R.parseEval("X = generateSomeMatrix()");
>
> and you can then use mytmp instantiate an RcppEigen object as you would
> have
> if the object had been passed down from R.
>
> Hth, Dirk
>
> --
> Dirk Eddelbuettel | e...@debian.org | http://dirk.eddelbuettel.com
>
_______________________________________________
Rcpp-devel mailing list
Rcpp-devel@lists.r-forge.r-project.org
https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
