PCSetUpOnBlocks#

Sets up the preconditioner for each block in the block Jacobi, block Gauss-Seidel, and overlapping Schwarz methods.

Synopsis#

#include "petscksp.h" 
PetscErrorCode PCSetUpOnBlocks(PC pc)

Collective

Input Parameter#

  • pc - the preconditioner context

Note#

For nested preconditioners such as PCBJACOBI PCSetUp() is not called on each sub-KSP when PCSetUp() is called on the outer PC, this routine ensures it is called.

See Also#

PC, PCSetUp(), PCCreate(), PCApply(), PCDestroy(), PCSetUp()

Level#

developer

Location#

src/ksp/pc/interface/precon.c

Implementations#

PCSetUpOnBlocks_ASM in src/ksp/pc/impls/asm/asm.c
PCSetUpOnBlocks_GASM in src/ksp/pc/impls/gasm/gasm.c
PCSetUpOnBlocks_PATCH in src/ksp/pc/impls/patch/pcpatch.c


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Index of all PC routines
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Index of all manual pages