Here is a list of all enum values with links to the classes they belong to:

• CG : dftfe::dealiiLinearSolver
• FAILURE : dftfe::nonLinearSolver
• GMRES : dftfe::dealiiLinearSolver
• LINESEARCH_FAILED : dftfe::nonLinearSolver
• MAX_ITER_REACHED : dftfe::nonLinearSolver
• RESTART : dftfe::nonLinearSolver
• SUCCESS : dftfe::nonLinearSolver