petsc-master 2018-05-25
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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 Parameter

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

Output Parameters

subpc -the PC requested

Notes

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

Keywords

PC, get, composite preconditioner, sub preconditioner

See Also

PCCompositeAddPC(), PCCompositeGetNumberPC(), PCSetOperators()

Level

Developer

Location

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

Implementations

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

Index of all PC routines
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Index of all manual pages