1 const char help[] = "Test DMPlexInsertBoundaryValues with DMPlexSetClosurePermutationTensor.\n"; 2 3 #include <petscdmplex.h> 4 5 static PetscErrorCode bc_func(PetscInt dim, PetscReal time, 6 const PetscReal coords[], PetscInt num_comp_u, 7 PetscScalar *u, void *ctx) 8 { 9 PetscFunctionBeginUser; 10 for (PetscInt i=0; i<num_comp_u; i++) u[i] = coords[i]; 11 PetscFunctionReturn(0); 12 } 13 14 int main(int argc,char **argv) 15 { 16 DM dm; 17 PetscFE fe; 18 Vec U_loc; 19 PetscInt dim, order = 1; 20 PetscBool tensorCoords = PETSC_TRUE; 21 22 /* Initialize PETSc */ 23 PetscFunctionBeginUser; 24 PetscCall(PetscInitialize(&argc,&argv,NULL,help)); 25 PetscCall(PetscOptionsGetBool(NULL, NULL, "-tensor_coords", &tensorCoords, NULL)); 26 PetscCall(DMCreate(PETSC_COMM_WORLD, &dm)); 27 PetscCall(DMSetType(dm, DMPLEX)); 28 PetscCall(DMSetFromOptions(dm)); 29 30 PetscCall(DMGetDimension(dm, &dim)); 31 PetscCall(PetscFECreateLagrange(PETSC_COMM_WORLD, dim, dim, PETSC_FALSE, order, order, &fe)); 32 PetscCall(DMAddField(dm, NULL, (PetscObject)fe)); 33 PetscCall(PetscFEDestroy(&fe)); 34 PetscCall(DMCreateDS(dm)); 35 36 PetscCall(DMViewFromOptions(dm, NULL, "-dm_view")); 37 38 DMLabel label; 39 PetscInt marker_ids[] = {1}; 40 PetscCall(DMGetLabel(dm, "marker", &label)); 41 PetscCall(DMAddBoundary(dm, DM_BC_ESSENTIAL, "mms", label, 1, marker_ids, 0, 0, NULL, (void(*)(void))bc_func, NULL, NULL, NULL)); 42 PetscCall(DMPlexSetClosurePermutationTensor(dm, PETSC_DETERMINE, NULL)); 43 { 44 DM cdm; 45 PetscCall(DMGetCoordinateDM(dm, &cdm)); 46 if (tensorCoords) PetscCall(DMPlexSetClosurePermutationTensor(cdm, PETSC_DETERMINE, NULL)); 47 } 48 49 PetscCall(DMCreateLocalVector(dm, &U_loc)); 50 PetscCall(DMPlexInsertBoundaryValues(dm, PETSC_TRUE, U_loc, 1., NULL, NULL, NULL)); 51 PetscCall(VecViewFromOptions(U_loc, NULL, "-u_loc_vec_view")); 52 PetscCall(VecDestroy(&U_loc)); 53 PetscCall(DMDestroy(&dm)); 54 PetscCall(PetscFinalize()); 55 return 0; 56 } 57 58 /*TEST 59 test: 60 suffix: 2d 61 args: -dm_plex_simplex 0 -dm_plex_dim 2 -dm_plex_box_faces 3,3 -u_loc_vec_view 62 test: 63 suffix: 3d 64 args: -dm_plex_simplex 0 -dm_plex_dim 3 -dm_plex_box_faces 3,3,3 -u_loc_vec_view 65 TEST*/ 66