petsc-3.12.5 2020-03-29
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PCHMGUseMatMAIJ
Set a flag that indicates if or not to use MatMAIJ for interpolations for saving memory
Synopsis
#include "petscpc.h"
PetscErrorCode
PCHMGUseMatMAIJ
(
PC
pc,
PetscBool
usematmaij)
Logically Collective on
PC
Input Parameters
pc
- the HMG context
usematmaij
- if or not to use MatMAIJ for interpolations. By default, it is true for saving memory
Options Database Keys
-pc_hmg_use_matmaij
-<true | false >
Keywords
HMG, multigrid, interpolation, coarsening, MatMAIJ
See Also
PCHMG
,
PCType
Level
beginner
Location
src/ksp/pc/impls/hmg/hmg.c
Examples
src/ksp/ksp/examples/tutorials/ex4.c.html
Implementations
PCHMGUseMatMAIJ_HMG in src/ksp/pc/impls/hmg/hmg.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages