I had the same problem before I realized that when a Module is loaded as
part of a package (instead of manually loading the shared lib) you don't
need the whole
> Module('yada','test')$ ...
just try
>bla()The exposed classes and functions are automatically made available in the namespace of the package > library(test) Loading required package: Rcpp > test:: test::bar test::bla2 test::rcpp_hello_world test::bla test::foo test::World test::bla1 test::hello Regards, Jonas On Wed, Jun 22, 2011 at 12:51 AM, Andrew Redd <[email protected]> wrote: > I apologize if this has been covered. I've looked and see a couple of post > relating to this issue, but I'm not sure if it was ever solved. The example > modules appear to not work, at least for me. On a related note I can't get > my modules to run either, but If I can figure out how to run the examples I > think I can get mine running. > > R> sessionInfo() > R version 2.13.0 (2011-04-13) > Platform: x86_64-pc-linux-gnu (64-bit) > > locale: > [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C > [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8 > [5] LC_MONETARY=C LC_MESSAGES=en_US.UTF-8 > [7] LC_PAPER=en_US.UTF-8 LC_NAME=C > [9] LC_ADDRESS=C LC_TELEPHONE=C > [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > other attached packages: > [1] Rcpp_0.9.4 > > To install the package skeleton: > $ r -lRcpp -e"Rcpp.package.skeleton(\"test\",module=T)" > Attaching package: 'utils' > > The following object(s) are masked from 'package:Rcpp': > > .DollarNames, prompt > > Creating directories ... > Creating DESCRIPTION ... > Creating NAMESPACE ... > Creating Read-and-delete-me ... > Saving functions and data ... > Making help files ... > Done. > Further steps are described in './test/Read-and-delete-me'. > > Adding Rcpp settings > >> added RcppModules: yada > >> added Depends: Rcpp > >> added LinkingTo: Rcpp > >> added useDynLib directive to NAMESPACE > >> added Makevars file with Rcpp settings > >> added Makevars.win file with Rcpp settings > >> added example header file using Rcpp classes > >> added example src file using Rcpp classes > >> added example R file calling the C++ example > >> added Rd file for rcpp_hello_world > >> copied the example module > > build > $ R CMD build test > <<output omitted>> > > and check with an error. > $R CMD check test_1.0.tar.gz > <<output omitted>> > * checking whether the name space can be loaded with stated dependencies > ... WARNING > Error: .onLoad failed in loadNamespace() for 'test', details: > call: value[[3L]](cond) > error: failed to load module yada from package test > Execution halted > > <<output omitted>> > > According to Dirk's June 15th post on the issue I include require("methods", > character=TRUE, quietly=TRUE) in the .onLoad function, now checks ok but > when trying things out I get a segmentation fault. > $ R -q --vanilla > R> library(test) > Loading required package: Rcpp > R> Module('yada','test')$bla() > > *** caught segfault *** > address 0x90, cause 'memory not mapped' > > Traceback: > 1: .Call(symbol) > 2: Module(module, mustStart = TRUE) > 3: .getModulePointer(x) > 4: Module("yada", "test")$bla > > Possible actions: > 1: abort (with core dump, if enabled) > 2: normal R exit > 3: exit R without saving workspace > 4: exit R saving workspace > Selection: > > So questions are: > 1) is anyone else getting this error? > 2) does anyone know how to fix it? > > Thanks, > Andrew > > > _______________________________________________ > Rcpp-devel mailing list > [email protected] > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel > >
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