This is routine that perform full-weight resctriction from fine to coarse grid system, mainly residual (res) on fine grid --> right-hand side (rhs) on coarse grid, wavenumber on fine grid --> wavenumber on the coarse grid Based on the relationship of the index between the fine and coarse grid
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(GridSystem), | intent(inout) | :: | mg_coarse | |||
| type(GridSystem), | intent(inout) | :: | mg_fine |