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RcppCore / RcppEigen

Rcpp integration for the Eigen templated linear algebra library
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possible issue with Rcpp/RcppEigen stack compatibility #100

Closed bbolker closed 2 years ago

bbolker commented 2 years ago

We had this issue reported for lme4; it has also been reported here. Basically, if there is a mismatch between the installed binary version of Rcpp and RcppEigen, warnings and errors are possible.

Is it worth the hassle to implement a check (as glmmTMB does for the TMB binary version and TMB does for the Matrix binary version) to give an informative warning telling the user that they need to re-install a compatible stack?

(The advice given in the threads is to update Rcpp, but AFAICT the important thing is to have the versions of Rcpp and RcppEigen match, not necessarily to have an updated version of Rcpp ...)

eddelbuettel commented 2 years ago

Are you referring to the standard FAQ ?