xref: /petsc/src/dm/impls/plex/tests/ex32.c (revision 9371c9d470a9602b6d10a8bf50c9b2280a79e45a)
1c4762a1bSJed Brown static char help[] = "Tests for periodic mesh output\n\n";
2c4762a1bSJed Brown 
3c4762a1bSJed Brown #include <petscdmplex.h>
4c4762a1bSJed Brown 
5*9371c9d4SSatish Balay PetscErrorCode CheckMesh(DM dm) {
65f80ce2aSJacob Faibussowitsch   PetscReal detJ, J[9];
7c4762a1bSJed Brown   PetscReal vol;
85f80ce2aSJacob Faibussowitsch   PetscInt  dim, depth, cStart, cEnd, c;
9c4762a1bSJed Brown 
10c4762a1bSJed Brown   PetscFunctionBegin;
119566063dSJacob Faibussowitsch   PetscCall(DMGetDimension(dm, &dim));
129566063dSJacob Faibussowitsch   PetscCall(DMPlexGetDepth(dm, &depth));
139566063dSJacob Faibussowitsch   PetscCall(DMPlexGetHeightStratum(dm, 0, &cStart, &cEnd));
14c4762a1bSJed Brown   for (c = cStart; c < cEnd; ++c) {
159566063dSJacob Faibussowitsch     PetscCall(DMPlexComputeCellGeometryFEM(dm, c, NULL, NULL, J, NULL, &detJ));
1663a3b9bcSJacob Faibussowitsch     PetscCheck(detJ > 0.0, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Mesh cell %" PetscInt_FMT " is inverted, |J| = %g", c, (double)detJ);
17c4762a1bSJed Brown     if (depth > 1) {
189566063dSJacob Faibussowitsch       PetscCall(DMPlexComputeCellGeometryFVM(dm, c, &vol, NULL, NULL));
1963a3b9bcSJacob Faibussowitsch       PetscCheck(vol > 0.0, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Mesh cell %" PetscInt_FMT " is inverted, vol = %g", c, (double)vol);
20c4762a1bSJed Brown     }
21c4762a1bSJed Brown   }
22c4762a1bSJed Brown   PetscFunctionReturn(0);
23c4762a1bSJed Brown }
24c4762a1bSJed Brown 
25*9371c9d4SSatish Balay PetscErrorCode CreateMesh(MPI_Comm comm, DM *dm) {
26c4762a1bSJed Brown   PetscFunctionBegin;
279566063dSJacob Faibussowitsch   PetscCall(DMCreate(comm, dm));
289566063dSJacob Faibussowitsch   PetscCall(DMSetType(*dm, DMPLEX));
299566063dSJacob Faibussowitsch   PetscCall(DMSetFromOptions(*dm));
309566063dSJacob Faibussowitsch   PetscCall(DMViewFromOptions(*dm, NULL, "-dm_view"));
31c4762a1bSJed Brown   PetscFunctionReturn(0);
32c4762a1bSJed Brown }
33c4762a1bSJed Brown 
34*9371c9d4SSatish Balay int main(int argc, char **argv) {
3530602db0SMatthew G. Knepley   DM dm;
36c4762a1bSJed Brown 
37327415f7SBarry Smith   PetscFunctionBeginUser;
389566063dSJacob Faibussowitsch   PetscCall(PetscInitialize(&argc, &argv, NULL, help));
399566063dSJacob Faibussowitsch   PetscCall(CreateMesh(PETSC_COMM_WORLD, &dm));
409566063dSJacob Faibussowitsch   PetscCall(CheckMesh(dm));
419566063dSJacob Faibussowitsch   PetscCall(DMDestroy(&dm));
429566063dSJacob Faibussowitsch   PetscCall(PetscFinalize());
43b122ec5aSJacob Faibussowitsch   return 0;
44c4762a1bSJed Brown }
45c4762a1bSJed Brown 
46c4762a1bSJed Brown /*TEST
47c4762a1bSJed Brown 
48c4762a1bSJed Brown   test:
49c4762a1bSJed Brown     suffix: 0
5030602db0SMatthew G. Knepley     args: -dm_plex_simplex 0 -dm_plex_box_faces 3,1,0 -dm_plex_box_bd periodic,none -dm_view ::ascii_info_detail
51c4762a1bSJed Brown   test:
52c4762a1bSJed Brown     suffix: 1
53c4762a1bSJed Brown     nsize: 2
54e600fa54SMatthew G. Knepley     args: -dm_plex_simplex 0 -dm_plex_box_faces 3,1,0 -dm_plex_box_bd periodic,none -petscpartitioner_type simple -dm_view ::ascii_info_detail
55c4762a1bSJed Brown   test:
56c4762a1bSJed Brown     suffix: 2
57c4762a1bSJed Brown     nsize: 2
58e600fa54SMatthew G. Knepley     args: -dm_plex_simplex 0 -dm_plex_box_faces 6,2,0 -dm_plex_box_bd periodic,none -petscpartitioner_type simple -dm_view ::ascii_info_detail
59c4762a1bSJed Brown   test:
60c4762a1bSJed Brown     suffix: 3
61c4762a1bSJed Brown     nsize: 4
62e600fa54SMatthew G. Knepley     args: -dm_plex_simplex 0 -dm_plex_box_faces 6,2,0 -dm_plex_box_bd periodic,none -petscpartitioner_type simple -dm_view ::ascii_info_detail
63c4762a1bSJed Brown   test:
64c4762a1bSJed Brown     suffix: 4
65c4762a1bSJed Brown     nsize: 2
66e600fa54SMatthew G. Knepley     args: -dm_plex_simplex 0 -dm_plex_box_faces 3,1,0 -dm_plex_box_bd periodic,none -dm_plex_periodic_cut -petscpartitioner_type simple -dm_view ::ascii_info_detail
67c4762a1bSJed Brown   test:
68c4762a1bSJed Brown     suffix: 5
69c4762a1bSJed Brown     nsize: 2
70e600fa54SMatthew G. Knepley     args: -dm_plex_simplex 0 -dm_plex_box_faces 6,2,0 -dm_plex_box_bd periodic,none -dm_plex_periodic_cut -petscpartitioner_type simple -dm_view ::ascii_info_detail
71c4762a1bSJed Brown   test:
72c4762a1bSJed Brown     suffix: 6
73c4762a1bSJed Brown     nsize: 4
74e600fa54SMatthew G. Knepley     args: -dm_plex_simplex 0 -dm_plex_box_faces 6,2,0 -dm_plex_box_bd periodic,none -dm_plex_periodic_cut -petscpartitioner_type simple -dm_view ::ascii_info_detail
75c4762a1bSJed Brown 
76c4762a1bSJed Brown TEST*/
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