lib/RcppArmadillo/examples/kalman/firstExample.R

In arodri7/SAIGE-GPU: Efficiently controlling for case-control imbalance and sample relatedness in single-variant assoc tests (SAIGE) and controlling for sample relatedness in region-based assoc tests in large cohorts and biobanks (SAIGE-GENE)

library(RcppArmadillo)

cppFunction(code='
Rcpp::List g(arma::colvec v) {
     arma::mat op = v * v.t();
     double ip = arma::as_scalar(v.t() * v);
     return Rcpp::List::create(Rcpp::Named("outer")=op,
                               Rcpp::Named("inner")=ip);
}
', depends="RcppArmadillo")

g(7:11)