A coarse-grid Helmholtz operator for two-level deflation, descretized by a classic compact fourth-order FD scheme
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| complex(kind=realdp), | intent(inout) | :: | v_in(1-LAP:f2c%nxc+LAP,1-LAP:f2c%nyc+LAP) | |||
| complex(kind=realdp), | intent(inout) | :: | v_out(1-LAP:f2c%nxc+LAP,1-LAP:f2c%nyc+LAP) | |||
| type(TwoGrids), | intent(inout) | :: | f2c |