| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(sort_key_buf), | intent(in), | target | :: | keys(:) |
the keys, primary first. |
|
| integer(kind=int64), | intent(in) | :: | nrows |
rows each key describes. |
||
| character(len=*), | intent(in) | :: | proc |
calling procedure, for messages. |
||
| integer(kind=int64), | intent(out), | allocatable | :: | perm(:) |
the 1-based permutation. |
|
| integer, | intent(in), | optional | :: | threads |
thread request; absent = auto. |
Runs the C++ engine over keys, returning a 1-based permutation.