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BSctx_set_pre(3) BlockSolve95 BSctx_set_pre(3)

BSctx_set_pre - The preconditioner to be used by the iterative solver.

context
- The context to change
pre
- The desired preconditioner
 

The preconditioner choices are:
 

PRE_DIAG - diagonal preconditioning
 

PRE_ICC - incomplete Cholesky
 

PRE_ILU - incomplete LU
 

PRE_SSOR - SSOR
 

PRE_BJACOBI - block Jacobi

void

Must agree with the preconitioner that has been computed! If PRE_ICC is selected, BSset_mat_icc_storage() must be set to TRUE before BSmain_perm(). If PRE_ILU is selected, BSset_mat_icc_storage() must be set to FALSE.

void BSctx_set_pre(BSprocinfo *context, int pre)


BlockSolve95/src/BScontext.c
10/17/1996

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