I don't want to sound disrespectful, but why not use RcppArmadillo if
simplicity is you goal?
It is hard to beat the _fully automatic_ conversion:
R> cppFunction("arma::mat doubleUp(const arma::mat & x) { return 2*x; }",
depends="RcppArmadillo")
R> doubleUp(matrix(1:9,3,3))
[,1] [,2] [,3]
[1,] 2 8 14
[2,] 4 10 16
[3,] 6 12 18
R>
You can of course do all that by hand too, but why do you think both Rcpp and
RcppArmadillo have, respectively, tens of thousands of lines of code?
Dirk
--
http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org
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