Or -- in all our spare time! -- we should really consider doing the right thing and Rcpp-ifying the bigmemory packages. It's probably too late for a GSOC project at this point. Mike and I will talk about it. If we think we could manage it over 2-3 intense days, maybe it will happen this summer.
Jay On Fri, Apr 12, 2013 at 5:47 AM, JJ Allaire <jj.alla...@gmail.com> wrote: > Alex, > > Glad that you sorted all of this out! Wanted to also point out that there > is a mechanism for bigmemory to have it's headers automatically included in > RcppExports.cpp and perhaps this is something Michael can pursue so > everything works automatically in the future. > > In short, if bigmemory defines an Rcpp inline plugin (by calling > Rcpp.plugin.maker) that lists the includes required for correct compilation > then these includes will be inserted at the top of RcppExports.cpp. > Michael, ping me off list if you have any questions or want to discuss > further. > > J.J. > > > > > On Thu, Apr 11, 2013 at 5:44 PM, Alex Ustian <alex.l.ust...@gmail.com>wrote: > >> All right! I think I have it figured out, at least for the toy >> functions/package. >> >> What wasn't compiling wasn't my functions, it was RcppExports.cpp. >> sourceCpp (and hence also the knit example) have been working for me all >> along. The only issue (apparently) was that RcppExports.cpp was not >> including the bigmemory headers. It complained about not knowing the type >> "BigMatrix" for example. However since RcppExports.cpp is automatically >> generated, I didn't know how to force it to include more headers. >> >> It dawned on me that somewhere in the Rcpp-attributes vignette creating >> custom headers came up, sure enough using // [[Rcpp::interfaces(r, cpp)]] >> and following along in that section 3.5 discussion and then rebuilding did >> the trick. In the end I just I added the required bigmemory header >> "MatrixAccessor.hpp" to the generated "package.h" file, which is then >> automatically included into the RcppExports.cpp file. >> >> Thanks again, and thanks everybody for developing and providing support >> for this incredible software. >> Alex >> >> >> On Thu, Apr 11, 2013 at 4:33 PM, Dirk Eddelbuettel <e...@debian.org>wrote: >> >>> >>> >>> On 11 April 2013 at 16:14, Alex Ustian wrote: >>> | Sorry to be dense, but you mean to copy and paste the source into an >>> Rmd file >>> | and knit it? If yes, then I did just that and it did work. >>> >>> Good. >>> >>> Now try to find the differences to your code, which as I understand your >>> post, does not compile. As you just demonstrated that your compiler, R, >>> Rcpp, >>> bigmemory, ... setup is fine. >>> >>> Dirk >>> >>> -- >>> Dirk Eddelbuettel | e...@debian.org | http://dirk.eddelbuettel.com >>> >> >> > > _______________________________________________ > Rcpp-devel mailing list > Rcpp-devel@lists.r-forge.r-project.org > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel > -- John W. Emerson (Jay) Associate Professor of Statistics, Adjunct, and Director of Graduate Studies Department of Statistics Yale University http://www.stat.yale.edu/~jay
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