Seems like it would still be useful use Julia as the backend for the R package instead of Fortran. I've been showcasing a lot of that lately with good success:

Seems like it would still be useful use Julia as the backend for the R package instead of Fortran. I've been showcasing a lot of that lately with good success: https://www.stochasticlifestyle.com/juliacall-update-automated-julia-installation-for-r-packages/ https://www.stochasticlifestyle.com/juliacall-update-automat... https://www.stochasticlifestyle.com/gpu-accelerated-ode-solving-in-r-with-julia-the-language-of-libraries/ https://www.stochasticlifestyle.com/gpu-accelerated-ode-solv...