PCCompositeGetPC#

Gets one of the PC objects in the composite PC.

Synopsis#

#include "petscksp.h" 
PetscErrorCode PCCompositeGetPC(PC pc, PetscInt n, PC *subpc)

Not Collective

Input Parameters#

pc - the preconditioner context
n - the number of the pc requested

Output Parameter#

subpc - the PC requested

Note#

To use a different operator to construct one of the inner preconditioners first call PCCompositeGetPC(), then call PCSetOperators() on that PC.

See Also#

PCCOMPOSITE, PCCompositeAddPCType(), PCCompositeGetNumberPC(), PCSetOperators()

Level#

intermediate

Location#

src/ksp/pc/impls/composite/composite.c

Examples#

src/ksp/ksp/tutorials/ex60.c
src/ksp/ksp/tutorials/ex71.c

Implementations#

PCCompositeGetPC_Composite in src/ksp/pc/impls/composite/composite.c

Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages