[Rcpp-devel] Integer matrices in Rcpp and Armadillo

Dirk Eddelbuettel edd at debian.org
Thu Jun 6 20:17:41 CEST 2013

On 6 June 2013 at 19:05, Simon Zehnder wrote:
| sorry I had overseen this message from you. Okay, so the explicit cast to SEXP together with the assignment operator makes the deal. But it still includes the reuse of memory right, i.e. the '=' does not call the copy constructor? 

But how could an _unsigned int_ from Armadillo possibly have the same value
as a _signed int_ in R?

Either you are efficient (no copy), or you are correct (with a copy). I do
not see how you could have both.


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

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