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 with PCFIELDSPLIT, PC, PCFieldSplitGetSubKSP(), PCFIELDSPLIT, PCFieldSplitSchurPreType, PCFieldSplitSetSchurPre(), MatSchurComplement, PCFieldSplitSchurGetS()
Level#
advanced
Location#
src/ksp/pc/impls/fieldsplit/fieldsplit.c
Index of all PC routines
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Index of all manual pages