Nicolas Tancogne-Dejean requested to merge move_nlcc_to_epot into develop Dec 17, 2020

Description

Move the NLCC flag from geometry to epot. Also simplifies some related code and uses BLAS when possible.

News snippet

Move the NLCC flag from geometry to epot.

Checklist

I have checked that my code follows the Octopus coding standards
I have added tests for all the new features added in this request.