PCCompositeSetType

Sets the type of composite preconditioner.

Synopsis

#include "petscksp.h" 
PetscErrorCode PCCompositeSetType(PC pc, PCCompositeType type)

Logically Collective

Input Parameters

• pc - the preconditioner context

• type - PC_COMPOSITE_ADDITIVE (default), PC_COMPOSITE_MULTIPLICATIVE, PC_COMPOSITE_SPECIAL

Options Database Key

• -pc_composite_type (multiplicative|additive|symmetric_multiplicative|special) - Sets composite preconditioner type

See Also

KSP: Linear System Solvers, PCCOMPOSITE, PC_COMPOSITE_ADDITIVE, PC_COMPOSITE_MULTIPLICATIVE, PC_COMPOSITE_SPECIAL, PCCompositeType, PCCompositeGetType()

Level

advanced

Location

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

Examples

src/ksp/ksp/tutorials/ex60.c
src/ksp/ksp/tutorials/ex71.c
src/ksp/pc/tutorials/ex4.c
src/ksp/ksp/tests/ex55.c

Implementations

PCCompositeSetType_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