On 8 July 2012 at 01:46, Alexandre Bujard wrote: | Hi Joshua, | | When you declare "NumericVector xx(x)" xx is a copy of the pointer x. But they | both address the same location in the memory.
+1 | What you need here is to do a "deep copy" of the vector x. The best was to do | that in Rcpp is to use the function "clone". +1 Are created a few object, eg via NumericVector xx(x.size()); // ctor using int n of size | Also declaring your vector xx with "const" will guarantee that your vector x | will not be modified by the function. That is not true, I think. C++ will make sure xx remains const, but we care about is the memory pointed to, and that doesn't get the const protection. Dirk -- Dirk Eddelbuettel | [email protected] | http://dirk.eddelbuettel.com _______________________________________________ Rcpp-devel mailing list [email protected] https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
