Module DSCOLR in IMSLSSort columns of a real rectangular matrix using keys in rows.
CALL DSCOLR (NRX, NCX, X, LDX, ICOMP, IORDR, IRET, NKEY, INDKEY, IPERM, NGROUP, NI)| N6a1b | Passive internal sorting of real data |
| N6a2b | Active internal sorting of real data |