| Allowed Value | Details |
|---|---|
| atomblock | block diagonal per atom |
| diagonal | diagonal elements only |
| full | full |
| fullcycle | full with fixed elements per cycle |
| sparse | selected elements only |
| userblock | user-defined blocks |
| Allowed Value | Details |
|---|---|
| atomblock | block diagonal per atom |
| diagonal | diagonal elements only |
| full | full |
| fullcycle | full with fixed elements per cycle |
| sparse | selected elements only |
| userblock | user-defined blocks |