Nicolas Tancogne-Dejean requested to merge fix_dftu_domain into develop Jun 30, 2022

Description

Do not call gemv is there is zero point in the submesh, as this causes MKL to return an error about an invalid argument for LDA.

News snippet

Minor fix for DFT+U with domain parallelization for large systems.

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.