petsc-3.11.1 2019-04-12
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KSPSetDMActive
Indicates the
DM
should be used to generate the linear system matrix and right hand side
Synopsis
#include "petscksp.h"
PetscErrorCode
KSPSetDMActive
(
KSP
ksp,
PetscBool
flg)
Logically Collective on
KSP
Input Parameters
ksp
- the preconditioner context
flg
- use the
DM
Notes
By default
KSPSetDM
() sets the
DM
as active, call
KSPSetDMActive
(
ksp,
PETSC_FALSE
); after
KSPSetDM
(
ksp,dm) to not have the
KSP
object use the
DM
to generate the matrices.
See Also
KSPGetDM
(),
KSPSetDM
(),
SNESSetDM
(),
KSPSetComputeOperators
(),
KSPSetComputeRHS
(),
KSPSetComputeInitialGuess
()
Level
intermediate
Location
src/ksp/ksp/interface/iterativ.c
Examples
src/ksp/ksp/examples/tutorials/ex43.c.html
src/ksp/ksp/examples/tutorials/ex70.c.html
src/ksp/ksp/examples/tutorials/ex73.c.html
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages