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Results tagged with rcpp
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user 121860
Rcpp provides an API on top of R, permitting direct interchange of rich R objects between R and C++.
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Generating random sparse matrix
:
#include <RcppArmadillo.h>
// [[Rcpp::depends(RcppArmadillo)]]
using namespace std;
using namespace Rcpp;
using namespace arma;
// [[Rcpp::export]]
arma::sp_mat spMat_cpp(const int& ncols, const … The advantage however in the Rcpp and dgCMatrix construction is that they don't create a dense matrix first. …
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