petsc-3.14.6 2021-03-30
DMCreateSuperDM
Returns an arrays of ISes and DM encapsulating a superproblem defined by the DMs passed in.
Synopsis
#include "petscdm.h"
#include "petscdmlabel.h"
#include "petscds.h"
PetscErrorCode DMCreateSuperDM(DM dms[], PetscInt len, IS **is, DM *superdm)
Not collective
Input Parameter
| dms | - The DM objects
|
| len | - The number of DMs
|
Output Parameters
| is | - The global indices for the subproblem, or NULL
|
| superdm | - The DM for the superproblem
|
Note: You need to call DMPlexSetMigrationSF() on the original DM if you want the Global-To-Natural map to be automatically constructed
See Also
DMPlexSetMigrationSF(), DMDestroy(), DMView(), DMCreateInterpolation(), DMCreateColoring(), DMCreateMatrix(), DMCreateFieldIS()
Level
intermediate
Location
src/dm/interface/dm.c
Implementations
DMCreateSuperDM_Plex in src/dm/impls/plex/plex.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages