[R-pkg-devel] Lapack: undefined symbol: zgbsv_
ralf.stubner at r-institute.com
Mon Dec 18 13:12:33 CET 2017
On 18.12.2017 08:37, Baptiste Auguie wrote:
> What I don't really understand (because of the templating system etc.) is
> why this new routine in Armadillo would be needed at all, when cda does not
> solve banded linear systems. I wonder if a practical workaround would be to
> include a _dummy_ routine with the same name, ugly as that may sound.
> Alternatively, define some compiler macro to tell Armadillo not to use this
> special strategy. Does this sound doable?
t seems to be possible to disable banded matrix strategy using
arma::solve(X, y, arma::solve_opts::no_band)
Alternatively, there is also ARMA_CRIPPLED_LAPACK (c.f.
but I have not checked any side effects.
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