petsc-3.13.6 2020-09-29

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PCFieldSplitSetBlockSize

Sets the block size for defining where fields start in the fieldsplit preconditioner. If not set the matrix block size is used.

Synopsis

#include "petscpc.h" 
PetscErrorCode  PCFieldSplitSetBlockSize(PC pc,PetscInt bs)

Logically Collective on PC

Input Parameters

	pc	- the preconditioner context
	bs	- the block size

See Also

PCFieldSplitGetSubKSP(), PCFIELDSPLIT, PCFieldSplitSetFields()

Level

intermediate

Location

src/ksp/pc/impls/fieldsplit/fieldsplit.c

Examples

src/ksp/ksp/tutorials/ex42.c.html
src/ksp/ksp/tutorials/ex43.c.html
src/ksp/ksp/tutorials/ex70.c.html

Implementations

PCFieldSplitSetBlockSize_FieldSplit in src/ksp/pc/impls/fieldsplit/fieldsplit.c

Index of all PC routines
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Index of all manual pages