int
        On entry,  NPCOL  specifies  the number of process columns in
        the grid. NPCOL is at least one.
</PRE>
<PRE>
II      (local output)                int *
        On exit, II  specifies the  local  starting  row index of the
        submatrix. On exit, II is at least 0.
</PRE>
<PRE>
JJ      (local output)                int *
        On exit, JJ  specifies the local starting column index of the
        submatrix. On exit, JJ is at least 0.
</PRE>
<PRE>
PROW    (global output)               