You are right, now the code compiles! But why?
I understand that data is stored in column major. However I hoped that
using an iterator I would abstract away from how the data is stored
and that the function that increases the iterator takes care of
increasing the pointer of nrow positions...
Than
Le 14/10/13 21:21, Alessandro Mammana a écrit :
Hi all,
I have very little experience with Rcpp and also with c++, so I am
sorry if my question might be too stupid.
I am trying to use iterators in my code, because I understand them
better than vectors, because they should be efficient, and becaus
Hi Ale,
maybe I'm wrong but mat(0,_) is not a NumericVector, but a Rcpp::MatrixRow.
So your function sum() is being called with arguments of the wront type
(the error
message is saying that).
If instead you select a column mat( _, 0) you have a conversion to a
NumericVector.
I've encountered the
