Implement a unit test for the linear solvers. At the moment, only CG and QMR are tested.
Description
Implement a unit test for the linear solvers. At the moment, only CG and QMR are tested. The interface of the CG solvers is changed, as the present version did not make much sense.
News snippet
Implement a unit test for the linear solvers. At the moment, only CG and QMR are tested.
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 Nicolas Tancogne-Dejean