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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Index of all PC routines
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Index of all manual pages