[Rcpp-devel] Integer matrices in Rcpp and Armadillo

[Dirk Eddelbuettel]

On 6 June 2013 at 18:03, Simon Zehnder wrote:
| What I need is an arma::umat in C++ and if possible in addition an integer array in R. Is this possible?

R itself has no unsigned integers (just as it has no [signed or unsigned] short or long integeger).

You should be able to write wrappers though, but this MUST entail copies for
that very reason.  So maybe stick to ints?

Dirk

-- 
Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com