petsc-3.8.4 2018-03-24
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PCBJacobiSetLocalBlocks

 Sets the local number of blocks for the block Jacobi preconditioner.

Synopsis

#include "petscpc.h" 
PetscErrorCode  PCBJacobiSetLocalBlocks(PC pc,PetscInt blocks,const PetscInt lens[])
Not Collective

Input Parameters

pc - the preconditioner context
blocks - the number of blocks
lens - [optional] integer array containing size of each block

Note

Currently only a limited number of blocking configurations are supported.

Keywords

PC, set, number, Jacobi, local, blocks

See Also

PCSetUseAmat(), PCBJacobiSetTotalBlocks()

Level:intermediate
Location:src/ksp/pc/impls/bjacobi/bjacobi.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/ksp/ksp/examples/tutorials/ex7.c.html