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BSctx_set_pre(3)		 BlockSolve95		      BSctx_set_pre(3)

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

INPUT PARAMETERS
       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

RETURNS
       void

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

SYNOPSIS
       void BSctx_set_pre(BSprocinfo *context, int pre)

LOCATION
	BlockSolve95/src/BScontext.c

				  10/17/1996		      BSctx_set_pre(3)

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