petsc-3.14.6 2021-03-30
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PCFactorSetPivotInBlocks

 Determines if pivoting is done while factoring each block with BAIJ or SBAIJ matrices

Synopsis

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

Input Parameters

pc - the preconditioner context
pivot - PETSC_TRUE or PETSC_FALSE

Options Database Key

-pc_factor_pivot_in_blocks <true,false>

See Also

PCILUSetMatOrdering(), PCFactorSetColumnPivot()

Level

intermediate

Location

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

Implementations

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

Index of all PC routines
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Index of all manual pages