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realsox
2016 Jan 10
3
coerce SEXP type to C++ matrix class and back
...a double matrix as
argument and which uses routines provided by the C++ Armadillo
package. I am aware of the nice capabilities of Rcpp and RcppArmadillo
which helps simplifying a lot and that I have already successfully
tested. However, I had a hard time trying to figure out how the
coercion from a REALSPX matrix to an arma::mat = arma::Mat<double>
matrix (double matrix in Armadillo) is done. In this particular case,
because of the simplicity of my function, I would like to use base R
only. Since both, Armadillo and R matrix elements, are stored with
column-major ordering I have tried the follo...