PCFieldSplitGetDetectSaddlePoint#
Returns flag indicating whether PCFIELDSPLIT will attempt to automatically determine fields based on zero diagonal entries.
Synopsis#
#include "petscpc.h" 
PetscErrorCode PCFieldSplitGetDetectSaddlePoint(PC pc, PetscBool *flg)
Logically Collective
Input Parameter#
- pc - the preconditioner context 
Output Parameter#
- flg - boolean indicating whether to detect fields or not 
See Also#
Solving Block Matrices with PCFIELDSPLIT, PC, PCFIELDSPLIT, PCFieldSplitSetDetectSaddlePoint()
Level#
intermediate
Location#
src/ksp/pc/impls/fieldsplit/fieldsplit.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages