[Rcpp-devel] Mersenne Twister in RcppArmadillo?
That was fast Dirk! I will update my packages on Monday! Thank you for that quick release! Best Simon
On Mar 2, 2013, at 4:56 PM, Dirk Eddelbuettel <edd at debian.org> wrote:
On 3 March 2013 at 01:09, Conrad S wrote:
| Hi everyone,
|
| In Armadillo 3.800 I've added .imbue(), allowing a matrix to be filled
| using a functor or C++11 lambda expression. This allows the use of the
| Mersenne twister random number engine built into C++11. For example:
|
| std::mt19937 engine;
| std::uniform_real_distribution<double> distr(0.0, 1.0);
|
| arma::mat X(4,5);
| X.imbue( [&]() { return distr(engine); } );
Nice. I should time this / update the timing example on the Rcpp Gallery.
| More information at:
| http://arma.sourceforge.net/docs.html#imbue
|
| Dirk is likely to release the corresponding RcppArmadillo version soon.
(He did yesterday morning; it is now on CRAN. "They" had to deliberate for 20
hours whether we would be allowed in having violated the 'no more than six
releases in six months' preference.)
Dirk
--
Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com