PCHMGUseMatMAIJ

Set a flag that indicates if or not to use MATMAIJ for the interpolation matrices to save memory

Synopsis

#include "petscpc.h" 
PetscErrorCode PCHMGUseMatMAIJ(PC pc, PetscBool usematmaij)

Logically Collective

Input Parameters

• pc - the PCHMG context

• usematmaij - PETSC_TRUE (default) to use MATMAIJ for interpolations.

Options Database Key

• -pc_hmg_use_matmaij (true|false) - use MATMAIJ for interpolations

See Also

KSP: Linear System Solvers, PCHMG, PCType, PCGAMG

Level

beginner

Location

src/ksp/pc/impls/hmg/hmg.c

Examples

src/ksp/ksp/tutorials/ex4.c

Implementations

PCHMGUseMatMAIJ_HMG() in src/ksp/pc/impls/hmg/hmg.c

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