Solves a linear system using the PGMRES method.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(csr_matrix), | intent(in) | :: | a |
The matrix. |
||
| class(msr_matrix), | intent(in) | :: | lu |
The LU factored matrix. |
||
| integer(kind=int32), | intent(in), | dimension(:) | :: | ju |
The row tracking array. |
|
| real(kind=real64), | intent(in), | dimension(:) | :: | b |
The right-hand side. |
|
| integer(kind=int32), | intent(in), | optional | :: | im |
The Krylov subspace size. |
|
| real(kind=real64), | intent(in), | optional | :: | tol |
The convergence tolerance. |
|
| integer(kind=int32), | intent(in), | optional | :: | maxits |
The maximum number of iterations. |
|
| integer(kind=int32), | intent(in), | optional | :: | iout |
The output level. |
The solution.