xref: /petsc/src/dm/impls/plex/tests/ex20.c (revision df4cd43f92eaa320656440c40edb1046daee8f75)
1 const char help[] = "Test DMPlex implementation of DMAdaptLabel().\n\n";
2 
3 #include <petscdm.h>
4 #include <petscdmplex.h>
5 
6 int main(int argc, char **argv)
7 {
8   DM       dm, dmAdapt;
9   DMLabel  adaptLabel;
10   PetscInt cStart, cEnd;
11 
12   PetscFunctionBeginUser;
13   PetscCall(PetscInitialize(&argc, &argv, NULL, help));
14   PetscCall(DMCreate(PETSC_COMM_WORLD, &dm));
15   PetscCall(DMSetType(dm, DMPLEX));
16   PetscCall(DMSetFromOptions(dm));
17   PetscCall(PetscObjectSetName((PetscObject)dm, "Pre Adaptation Mesh"));
18   PetscCall(DMViewFromOptions(dm, NULL, "-pre_adapt_dm_view"));
19 
20   PetscCall(DMPlexGetHeightStratum(dm, 0, &cStart, &cEnd));
21   PetscCall(DMLabelCreate(PETSC_COMM_SELF, "adapt", &adaptLabel));
22   PetscCall(DMLabelSetDefaultValue(adaptLabel, DM_ADAPT_COARSEN));
23   if (cEnd > cStart) PetscCall(DMLabelSetValue(adaptLabel, cStart, DM_ADAPT_REFINE));
24   PetscCall(DMAdaptLabel(dm, adaptLabel, &dmAdapt));
25   PetscCall(PetscObjectSetName((PetscObject)dmAdapt, "Post Adaptation Mesh"));
26   PetscCall(DMViewFromOptions(dmAdapt, NULL, "-post_adapt_dm_view"));
27   PetscCall(DMDestroy(&dmAdapt));
28   PetscCall(DMLabelDestroy(&adaptLabel));
29   PetscCall(DMDestroy(&dm));
30   PetscCall(PetscFinalize());
31   return 0;
32 }
33 
34 /*TEST
35 
36   test:
37     suffix: 2d
38     requires: triangle !single
39     args: -dm_plex_box_faces 3,3 -dm_coord_space 0 -pre_adapt_dm_view ascii::ascii_info -post_adapt_dm_view ascii::ascii_info
40 
41   # We eliminate the lines with "marker" because different compiler flags make the meshes produce different surface meshes
42   testset:
43     args: -dm_plex_dim 3 -dm_plex_box_faces 3,3,3 -dm_coord_space 0 \
44           -pre_adapt_dm_view ascii::ascii_info -post_adapt_dm_view ascii::ascii_info
45     filter: grep -v "marker"
46 
47     test:
48       suffix: 3d_tetgen
49       requires: tetgen
50 
51     test:
52       suffix: 3d_ctetgen
53       requires: ctetgen !complex !single
54 
55 TEST*/
56