petsc-3.12.5 2020-03-29

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PCDeflationSetLevels

Set the maximum level of deflation nesting.

Synopsis

#include "petscksp.h" 
PetscErrorCode PCDeflationSetLevels(PC pc,PetscInt max)

Logically Collective

Input Parameters

	pc	- the preconditioner context
	max	- maximum deflation level

Options Database Keys

-pc_deflation_max_lvl <0> -maximum number of levels for multilevel deflation

See Also

PCDeflationSetSpaceToCompute(), PCDeflationSetSpace(), PCDEFLATION

Level

intermediate

Location

src/ksp/pc/impls/deflation/deflation.c

Implementations

PCDeflationSetLevels_Deflation in src/ksp/pc/impls/deflation/deflation.c

Index of all PC routines
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Index of all manual pages