I am helping a student build some R code in Rcpp for his first time. He is working with 3-dimensional arrays, so I am hopeful to be working with arma::cube objects.
When I simply try to bring the array in as an argument I can't seem to use the same as<[TEMPLATE]> construction as other objects. arma::cube X=Rcpp::as<arma::cube>(arg1); This line fails to compile. I can build this cube from an input vector using explicit nested loops. I also notice that wrap() does a fine job of returning the array back to R. Is there anything else I need to know to more simply bring the array in as an SEXP and land it in the arma::cube.
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