petsc-master 2019-06-18
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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

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