12   DM          dms;  in ex2_1()  local
20   PetscCall(DMCreate(PETSC_COMM_WORLD, &dms));  in ex2_1()
21   PetscCall(DMSetType(dms, DMSWARM));  in ex2_1()
22   PetscCall(PetscObjectSetName((PetscObject)dms, "Particles"));  in ex2_1()
23   PetscCall(DMSwarmInitializeFieldRegister(dms));  in ex2_1()
24   PetscCall(DMSwarmRegisterPetscDatatypeField(dms, "viscosity", 1, PETSC_REAL));  in ex2_1()
25   PetscCall(DMSwarmRegisterPetscDatatypeField(dms, "strain", 3, PETSC_REAL));  in ex2_1()
26   PetscCall(DMSwarmFinalizeFieldRegister(dms));  in ex2_1()
27   PetscCall(DMSwarmSetLocalSizes(dms, 5 + rank, 4));  in ex2_1()
28   PetscCall(DMView(dms, PETSC_VIEWER_STDOUT_WORLD));  in ex2_1()
29   PetscCall(DMSwarmGetLocalSize(dms, &nlocal));  in ex2_1()
33     PetscCall(DMSwarmGetField(dms, "viscosity", &bs, NULL, (void **)&array));  in ex2_1()
35     PetscCall(DMSwarmRestoreField(dms, "viscosity", &bs, NULL, (void **)&array));  in ex2_1()
40     PetscCall(DMSwarmGetField(dms, "strain", &bs, NULL, (void **)&array));  in ex2_1()
46     PetscCall(DMSwarmRestoreField(dms, "strain", &bs, NULL, (void **)&array));  in ex2_1()
49   PetscCall(DMSwarmCreateGlobalVectorFromField(dms, "viscosity", &x));  in ex2_1()
51   PetscCall(DMSwarmDestroyGlobalVectorFromField(dms, "viscosity", &x));  in ex2_1()
53   PetscCall(DMSwarmCreateGlobalVectorFromField(dms, "strain", &x));  in ex2_1()
55   PetscCall(DMSwarmDestroyGlobalVectorFromField(dms, "strain", &x));  in ex2_1()
57   PetscCall(DMSwarmVectorDefineField(dms, "strain"));  in ex2_1()
58   PetscCall(DMCreateGlobalVector(dms, &x));  in ex2_1()
61   PetscCall(DMDestroy(&dms));  in ex2_1()