PCHPDDMHasNeumannMat#
Informs PCHPDDM that the Mat passed to PCHPDDMSetAuxiliaryMat() is the local Neumann matrix.
Synopsis#
#include "petscpc.h"
PetscErrorCode PCHPDDMHasNeumannMat(PC pc, PetscBool has)
Input Parameters#
pc - preconditioner context
has - Boolean value
Notes#
This may be used to bypass a call to MatCreateSubMatrices() and to MatConvert() for MATSBAIJ matrices.
If a function is composed with DMCreateNeumannOverlap_C implementation is available in the DM attached to the Pmat, or the Amat, or the PC, the flag is internally set to PETSC_TRUE. Its default value is otherwise PETSC_FALSE.
See Also#
KSP: Linear System Solvers, PCHPDDM, PCHPDDMSetAuxiliaryMat()
Level#
intermediate
Location#
Examples#
src/ksp/ksp/tutorials/ex76.c
src/ksp/ksp/tutorials/ex76f.F90
Implementations#
PCHPDDMHasNeumannMat_HPDDM() in src/ksp/pc/impls/hpddm/pchpddm.cxx
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages