PCNullSpaceAttach

attaches a null space to a preconditioner object. This null space will be removed from the resulting vector whenever the preconditioner is applied.

Synopsis

#include "sles.h" 
int PCNullSpaceAttach(PC pc,PCNullSpace nullsp)
Collective on PC

Input Parameters

pc - the preconditioner context
nullsp - the null space object

Notes

Overwrites any previous null space that may have been attached

Keywords

PC, destroy, null space

See Also

PCCreate(), PCSetUp()

Level:developer
Location:src/sles/pc/interface/precon.c
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