1 static char help[] = "Test section ordering for FEM discretizations\n\n"; 2 3 #include <petscdmplex.h> 4 #include <petscds.h> 5 6 static PetscErrorCode CreateMesh(MPI_Comm comm, DM *dm) { 7 PetscFunctionBegin; 8 PetscCall(DMCreate(comm, dm)); 9 PetscCall(DMSetType(*dm, DMPLEX)); 10 PetscCall(DMSetFromOptions(*dm)); 11 PetscCall(DMViewFromOptions(*dm, NULL, "-dm_view")); 12 PetscFunctionReturn(0); 13 } 14 15 static PetscErrorCode TestLocalDofOrder(DM dm) { 16 PetscFE fe[3]; 17 PetscSection s; 18 PetscBool simplex; 19 PetscInt dim, Nf, f; 20 21 PetscFunctionBegin; 22 PetscCall(DMGetDimension(dm, &dim)); 23 PetscCall(DMPlexIsSimplex(dm, &simplex)); 24 PetscCall(PetscFECreateDefault(PETSC_COMM_SELF, dim, dim, simplex, "field0_", -1, &fe[0])); 25 PetscCall(PetscFECreateDefault(PETSC_COMM_SELF, dim, 1, simplex, "field1_", -1, &fe[1])); 26 PetscCall(PetscFECreateDefault(PETSC_COMM_SELF, dim, 1, simplex, "field2_", -1, &fe[2])); 27 28 PetscCall(DMSetField(dm, 0, NULL, (PetscObject)fe[0])); 29 PetscCall(DMSetField(dm, 1, NULL, (PetscObject)fe[1])); 30 PetscCall(DMSetField(dm, 2, NULL, (PetscObject)fe[2])); 31 PetscCall(DMCreateDS(dm)); 32 PetscCall(DMGetLocalSection(dm, &s)); 33 PetscCall(PetscObjectViewFromOptions((PetscObject)s, NULL, "-dof_view")); 34 35 PetscCall(DMGetNumFields(dm, &Nf)); 36 for (f = 0; f < Nf; ++f) PetscCall(PetscFEDestroy(&fe[f])); 37 PetscFunctionReturn(0); 38 } 39 40 int main(int argc, char **argv) { 41 DM dm; 42 43 PetscFunctionBeginUser; 44 PetscCall(PetscInitialize(&argc, &argv, NULL, help)); 45 PetscCall(CreateMesh(PETSC_COMM_WORLD, &dm)); 46 PetscCall(TestLocalDofOrder(dm)); 47 PetscCall(DMDestroy(&dm)); 48 PetscCall(PetscFinalize()); 49 return 0; 50 } 51 52 /*TEST 53 54 test: 55 suffix: tri_pm 56 requires: triangle 57 args: -dm_plex_box_faces 1,1 -field0_petscspace_degree 2 -field1_petscspace_degree 1 -field2_petscspace_degree 1 -dm_view -dof_view 58 59 test: 60 suffix: quad_pm 61 requires: 62 args: -dm_plex_simplex 0 -dm_plex_box_faces 1,1 -field0_petscspace_degree 2 -field1_petscspace_degree 1 -field2_petscspace_degree 1 -dm_view -dof_view 63 64 test: 65 suffix: tri_fm 66 requires: triangle 67 args: -dm_coord_space 0 -dm_plex_box_faces 1,1 -field0_petscspace_degree 2 -field1_petscspace_degree 1 -field2_petscspace_degree 1 -petscsection_point_major 0 -dm_view -dof_view 68 69 test: 70 suffix: quad_fm 71 requires: 72 args: -dm_coord_space 0 -dm_plex_simplex 0 -dm_plex_box_faces 1,1 -field0_petscspace_degree 2 -field1_petscspace_degree 1 -field2_petscspace_degree 1 -petscsection_point_major 0 -dm_view -dof_view 73 74 TEST*/ 75