DMShellSetCoarsen#

Set the routine used to coarsen the DMSHELL

Synopsis#

#include "petscdmshell.h"  
PetscErrorCode DMShellSetCoarsen(DM dm, PetscErrorCode (*coarsen)(DM fine, MPI_Comm comm, DM *coarse))

Logically Collective

Input Parameters#

  • dm - the DMSHELL

  • coarsen - the routine that coarsens the DM

Calling sequence of coarsen#

  • fine - the DM to coarsen

  • comm - the MPI_Comm to share the coarser DM

  • coarse - the resulting coarse DM

See Also#

DM, DMSHELL, DMShellSetRefine(), DMCoarsen(), DMShellGetCoarsen(), DMShellSetContext(), DMShellGetContext()

Level#

advanced

Location#

src/dm/impls/shell/dmshell.c

Examples#

src/ksp/ksp/tutorials/ex65.c
src/ksp/ksp/tutorials/ex73.c


Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages