Set the symmetry parameter for the ParaSails preconditioner.
Set the symmetry parameter for the ParaSails preconditioner.
value | meaning |
0 | nonsymmetric and/or indefinite problem, and nonsymmetric preconditioner |
1 | SPD problem, and SPD (factored) preconditioner |
2 | nonsymmetric, definite problem, and SPD (factored) preconditioner |