Construct a lookup for columns
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(Matrix_ps), | intent(in) | :: | AMat | Matrix we're computing. |
||
| type(ProcessGrid_t), | intent(inout) | :: | process_grid | Grid we're computing along. |
||
| integer, | intent(inout), | DIMENSION(:) | :: | col_root_lookup | The lookup we're computing. |