A. On exit, ja is unchanged. On exit, nz is unchanged. On exit, array P contains information for use by the diagonal preconditioner. On entry, the order of the matrix A. On exit, n is unchanged. There is no integer information returned for this preconditioner.
P is used as workspace during the application of the preconditioner.
This routine is available in both serial and parallel versions. The routine names and parameter list are identical for both versions. For information about linking to the serial or to the parallel library, refer to the CXML Reference Manual.