PCFieldSplitSchurRestoreS

returns the MATSCHURCOMPLEMENT matrix used by this PC

Synopsis

#include "petscpc.h" 
PetscErrorCode PCFieldSplitSchurRestoreS(PC pc, Mat *S)

Not Collective

Input Parameters

• pc - the preconditioner context

• S - the Schur complement matrix

See Also

Solving Block Matrices, PC, PCFieldSplitGetSubKSP(), PCFIELDSPLIT, PCFieldSplitSchurPreType, PCFieldSplitSetSchurPre(), MatSchurComplement, PCFieldSplitSchurGetS()

Level

advanced

Location

src/ksp/pc/impls/fieldsplit/fieldsplit.c

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