I have tried something like<br><br>Rcpp::NumericVector
nm(Rcpp::Dimension(2,3,4));<br><br>But there seems to be a problem due
to non-public fields.<br><br>Am I misunderstanding the purpose of Dimension() here?<br><br><div class="gmail_quote">On Tue, Jun 15, 2010 at 2:19 PM, Romain Francois <span dir="ltr"><<a href="mailto:romain@r-enthusiasts.com">romain@r-enthusiasts.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Le 15/06/10 20:08, Douglas Bates a écrit :<div class="im"><br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<br>
I may be confusing Armadillo classes and Rcpp classes but I seem to<br>
recall that there is an Rcpp class for arrays with more than 2<br>
dimensions. However, I can't find anything that looks like that in<br>
the declarations or in the unit tests. I can easily create such an<br>
object by installing a dim attribute on a Vector type but I didn't<br>
want to reinvent the wheel.<br>
<br>
Is there such a class or am I misremembering?<br>
</blockquote>
<br></div>
We do not have invented that wheel. It should not be too hard to generalize what we do with Rcpp::Matrix<br>
<br>
You can ignore the member functions that have diag in their names.<br>
<br>
although, we would probably also have to extend the Vector::operator() for more dimensions, and probably also Vector::offset.<br>
<br>
I feel somewhat lazy here, but if you or someone else decides to pick it up, I will have a look.<br>
<br>
Romain<br><font color="#888888">
<br>
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