petsc-3.13.6 2020-09-29
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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.

See Also

PCCompositeAddPC(), PCCompositeGetNumberPC(), PCSetOperators()

Level

Developer

Location

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

Examples

src/ksp/ksp/tutorials/ex71.c.html

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