Forbid to run DFT+U calculation with the generalized Bloch theorem.
Description
In the present implementation of DFT+U, in case of spinors, we have off-diagonal terms in spin space which break the assumption of the generalized Bloch theorem. This MR thus forbid running this combination.
Closes #232 (closed)
News snippet
Forbid running a combination of options which are not compatible.
Checklist
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I have checked that my code follows the Octopus coding standards -
I have added tests for all the new features added in this request.
Edited by Martin Lueders