Hi, I am trying to wrap the optim library (https://github.com/kthohr/optim) in R via an R package using Rcpp/RcppArmadillo. Indeed, optim relies on armadillo itself. The github repository can be found here https://github.com/jchiquet/optimLibR
To do that, I put the headers of optim into inst/include/ and the cpp files into src/. Then I tried to "heuristically" pull everything together in the src/Makevars files, after my (obviously poor) understanding of the R manual pages about Makevars and from the various examples that I copied from the web (especially from the RcppMLPACK1 which, relies on the C++ library MLPACK, itself based on armadillo https://github.com/rcppmlpack/RcppMLPACK1/blob/master/src/Makevars). The package installation (including compilation of optim) successes (at least, the package can be installed). Then I tried to create two small Rcpp functions for two examples available in the original optim library, starting with the following lines // [[Rcpp::depends(RcppArmadillo)]]// [[Rcpp::plugins(cpp11)]] #define USE_RCPP_ARMADILLO #include "optim.hpp" (The #define command is an option of the optim library.) However, when I call the corresponding R functions, I get the following Armadillo errors in R which I do not have when running them in 'pure' C++ (I am pretty sure it is not a syntax problem, the Rcpp code and the original C++ code are hopefully identical, except for the headers). > library(optimLibR)> ackley_function()error: arma::memory::acquire(): out of > memory > library(optimLibR)> logit_optimLib()error: Mat::init(): requested size is not > compatible with column vector layout So it seems to me that the header of armadillo are correctly defined but I am not sure that I reach the src (cpp) part of armadillo which is required at the execution. If anyone can confirm or help pointing the origin of the error, I would be debtful... Thanks for your time, J. Thanks for your time
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