6008     IS              fieldIS, allcellIS, defcellIS = NULL;  in DMCreateDS()  local
6040     PetscCall(ISCreate(PETSC_COMM_SELF, &fieldIS));  in DMCreateDS()
6041     PetscCall(PetscObjectSetOptionsPrefix((PetscObject)fieldIS, "dm_fields_"));  in DMCreateDS()
6042     PetscCall(ISSetType(fieldIS, ISGENERAL));  in DMCreateDS()
6043     PetscCall(ISGeneralSetIndices(fieldIS, nf, fields, PETSC_OWN_POINTER));  in DMCreateDS()
6046     PetscCall(DMSetRegionDS(dm, cellLabel, fieldIS, dsDef, NULL));  in DMCreateDS()
6050     PetscCall(ISDestroy(&fieldIS));  in DMCreateDS()
6278     IS              fieldIS;  in DMComputeExactSolution()  local
6282     PetscCall(DMGetRegionNumDS(dm, s, &label, &fieldIS, &ds, NULL));  in DMComputeExactSolution()
6284     PetscCall(ISGetIndices(fieldIS, &fields));  in DMComputeExactSolution()
6299     PetscCall(ISRestoreIndices(fieldIS, &fields));  in DMComputeExactSolution()
9175     IS              fieldIS;  in DMComputeError()  local
9179     PetscCall(DMGetRegionNumDS(dm, s, &label, &fieldIS, &ds, NULL));  in DMComputeError()
9181     if (fieldIS) PetscCall(ISGetIndices(fieldIS, &fields));  in DMComputeError()
9186     if (fieldIS) PetscCall(ISRestoreIndices(fieldIS, &fields));  in DMComputeError()