PCFieldSplitSetGKBMaxit#
Sets the maximum number of iterations for the generalized Golub-Kahan bidiagonalization preconditioner [Ari13] in PCFIELDSPLIT
Synopsis#
#include "petscpc.h"
PetscErrorCode PCFieldSplitSetGKBMaxit(PC pc, PetscInt maxit)
Collective
Input Parameters#
pc - the preconditioner context
maxit - the maximum number of iterations
Options Database Key#
-pc_fieldsplit_gkb_maxit
- default is 100
References#
[Ari13]
Mario Arioli. Generalized Golub–Kahan bidiagonalization and stopping criteria. SIAM Journal on Matrix Analysis and Applications, 34(2):571–592, 2013.
See Also#
Solving Block Matrices with PCFIELDSPLIT, PC, PCFIELDSPLIT, PCFieldSplitSetGKBDelay(), PCFieldSplitSetGKBTol(), PCFieldSplitSetGKBNu()
Level#
intermediate
Location#
Implementations#
PCFieldSplitSetGKBMaxit_FieldSplit() in src/ksp/pc/impls/fieldsplit/fieldsplit.c
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