758   DM                 plex, dmMass, dmFace, dmCell, dmCoord;  in CreateMassMatrix()  local
770   PetscCall(DMClone(dm, &dmMass));  in CreateMassMatrix()
771   PetscCall(DMSetCoordinateSection(dmMass, PETSC_DETERMINE, coordSection));  in CreateMassMatrix()
772   PetscCall(DMSetCoordinatesLocal(dmMass, coordinates));  in CreateMassMatrix()
779     PetscCall(DMPlexGetSupportSize(dmMass, v, &numFaces));  in CreateMassMatrix()
783   PetscCall(DMSetLocalSection(dmMass, sectionMass));  in CreateMassMatrix()
785   PetscCall(DMGetLocalVector(dmMass, massMatrix));  in CreateMassMatrix()
801     PetscCall(DMPlexGetSupportSize(dmMass, v, &numFaces));  in CreateMassMatrix()
802     PetscCall(DMPlexGetSupport(dmMass, v, &faces));  in CreateMassMatrix()
813         PetscCall(DMPlexGetJoin(dmMass, 2, sides, &numCells, &cells));  in CreateMassMatrix()
819         PetscCall(DMPlexRestoreJoin(dmMass, 2, sides, &numCells, &cells));  in CreateMassMatrix()
827   PetscCall(DMDestroy(&dmMass));  in CreateMassMatrix()