After I upgraded to RcppArmadillo 0.2.6, running existing code that uses it
throws the following error:
run-time error: eig_sym(): need LAPACK
Any idea what might be causing this? I'm trying to create a minimal code needed
to reproduce the problem, and strangely enough, this works fine:
eig <- cxxfunction( signature() , '
arma::mat x = arma::randu(4, 4);
arma::mat X = arma::trans(x)*x;
arma::vec v = arma::eig_sym(X);
return List::create(
_["X"] = X,
_["eigval"] = v
);
', plugin = "RcppArmadillo" )
Davor
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