Computes data corresponding to the specified decomposition (defined by export operation) and fills the pointers provided by calls to cluster_sparse_solver_set_ptr and/or cluster_sparse_solver_set_csr_ptrs.
call cluster_sparse_solver_export (pt, operation, comm, error)
This routine computes the data for the pointers of the (distributed) data to be exported (as defined the specified operation). It is assumed that the exported data will be distributed in the same way as the matrix A (as defined by iparm(40)) used in cluster_sparse_solver.
Only call this routine after the factorization phase (phase=22) of the cluster_sparse_solver has been called. Neither pt, nor iparm should be changed after the preceding call to cluster_sparse_solver.
Only call this routine after all pointers to the data required for the specified operation have been provided by means of calling cluster_sparse_solver_set_ptr and/or cluster_sparse_solver_set_csr_ptrs.
INTEGER*8 for 64-bit architectures
Array with size of 64.
Handle to internal data structure used in the prior calls to cluster_sparse_solver.
Do not modify pt after the calls to cluster_sparse_solver.
INTEGER
Specifies a particular operation which defines what data are exported
Exporting data from decomposition P*A*Q=L*U.
Exporting data from decomposition from P* (D-1A)*Q=L*U.
Currently, for operation=SPARSE_DPTLUQT a real (complex) unit vector is provided for the scaling matrix D. Do not turn on scaling(iparm(11)>0) or matching(iparm(13)>0) in the iparm during the call to cluster_sparse_solver for this value of operation.
INTEGER*4
MPI communicator. The solver uses the Fortran MPI communicator internally.
INTEGER
The error indicator:
no error
pt is a null pointer
invalid pt
invalid operation
pointers to some of the data required for the specified operation were not provided prior to calling cluster_sparse_solver_export
unsupported internal code path, consider switching off non-default iparm parameters for cluster_sparse_solver
unsupported case when the matrix A is distributed among processes with overlap in the preceding calls to cluster_sparse_solver
internal memory error