PCFactorSetPivotInBlocks#

Determines if pivoting is done while factoring each block with MATBAIJ or MATSBAIJ matrices

Synopsis#

#include "petscpc.h" 
PetscErrorCode PCFactorSetPivotInBlocks(PC pc, PetscBool pivot)

Logically Collective

Input Parameters#

Options Database Key#

  • -pc_factor_pivot_in_blocks <true,false> - Pivot inside matrix dense blocks for MATBAIJ and MATSBAIJ

See Also#

PCLU, PCCHOLESKY, PCILU, PCICC, PCILUSetMatOrdering(), PCFactorSetColumnPivot()

Level#

intermediate

Location#

src/ksp/pc/impls/factor/factor.c

Implementations#

PCFactorSetPivotInBlocks_Factor in src/ksp/pc/impls/factor/factimpl.c


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