xref: /petsc/src/dm/impls/plex/tests/ex7.c (revision da9060c4ebf05b549ae65df4db64c7bee7b2b8a9)
1c4762a1bSJed Brown static char help[] = "Tests for mesh interpolation\n\n";
2c4762a1bSJed Brown 
3c4762a1bSJed Brown /* TODO
4c4762a1bSJed Brown */
5c4762a1bSJed Brown 
6c4762a1bSJed Brown #include <petscdmplex.h>
7c4762a1bSJed Brown 
8c4762a1bSJed Brown /* List of test meshes
9c4762a1bSJed Brown 
10c4762a1bSJed Brown Triangle
11c4762a1bSJed Brown --------
12c4762a1bSJed Brown Test 0:
13c4762a1bSJed Brown Two triangles sharing a face
14c4762a1bSJed Brown 
15c4762a1bSJed Brown         4
16c4762a1bSJed Brown       / | \
17c4762a1bSJed Brown      /  |  \
18c4762a1bSJed Brown     /   |   \
19c4762a1bSJed Brown    2  0 | 1  5
20c4762a1bSJed Brown     \   |   /
21c4762a1bSJed Brown      \  |  /
22c4762a1bSJed Brown       \ | /
23c4762a1bSJed Brown         3
24c4762a1bSJed Brown 
25c4762a1bSJed Brown should become
26c4762a1bSJed Brown 
27c4762a1bSJed Brown         4
28c4762a1bSJed Brown       / | \
29c4762a1bSJed Brown      8  |  9
30c4762a1bSJed Brown     /   |   \
31c4762a1bSJed Brown    2  0 7 1  5
32c4762a1bSJed Brown     \   |   /
33c4762a1bSJed Brown      6  |  10
34c4762a1bSJed Brown       \ | /
35c4762a1bSJed Brown         3
36c4762a1bSJed Brown 
37c4762a1bSJed Brown Tetrahedron
38c4762a1bSJed Brown -----------
39c4762a1bSJed Brown Test 0:
40c4762a1bSJed Brown Two tets sharing a face
41c4762a1bSJed Brown 
42c4762a1bSJed Brown  cell   5 _______    cell
43c4762a1bSJed Brown  0    / | \      \       1
44c4762a1bSJed Brown      /  |  \      \
45c4762a1bSJed Brown     /   |   \      \
46c4762a1bSJed Brown    2----|----4-----6
47c4762a1bSJed Brown     \   |   /      /
48c4762a1bSJed Brown      \  |  /     /
49c4762a1bSJed Brown       \ | /      /
50c4762a1bSJed Brown         3-------
51c4762a1bSJed Brown 
52c4762a1bSJed Brown should become
53c4762a1bSJed Brown 
54c4762a1bSJed Brown  cell   5 _______    cell
55c4762a1bSJed Brown  0    / | \      \       1
56c4762a1bSJed Brown      /  |  \      \
57c4762a1bSJed Brown    17   |   18 13  22
58c4762a1bSJed Brown    / 8 19 10 \      \
59c4762a1bSJed Brown   /     |     \      \
60c4762a1bSJed Brown  2---14-|------4--20--6
61c4762a1bSJed Brown   \     |     /      /
62c4762a1bSJed Brown    \ 9  | 7  /      /
63c4762a1bSJed Brown    16   |   15 11  21
64c4762a1bSJed Brown      \  |  /      /
65c4762a1bSJed Brown       \ | /      /
66c4762a1bSJed Brown         3-------
67c4762a1bSJed Brown 
68c4762a1bSJed Brown 
69c4762a1bSJed Brown Quadrilateral
70c4762a1bSJed Brown -------------
71c4762a1bSJed Brown Test 0:
72c4762a1bSJed Brown Two quads sharing a face
73c4762a1bSJed Brown 
74c4762a1bSJed Brown    5-------4-------7
75c4762a1bSJed Brown    |       |       |
76c4762a1bSJed Brown    |   0   |   1   |
77c4762a1bSJed Brown    |       |       |
78c4762a1bSJed Brown    2-------3-------6
79c4762a1bSJed Brown 
80c4762a1bSJed Brown should become
81c4762a1bSJed Brown 
82c4762a1bSJed Brown    5--10---4--14---7
83c4762a1bSJed Brown    |       |       |
84c4762a1bSJed Brown   11   0   9   1  13
85c4762a1bSJed Brown    |       |       |
86c4762a1bSJed Brown    2---8---3--12---6
87c4762a1bSJed Brown 
88c4762a1bSJed Brown Test 1:
89c4762a1bSJed Brown A quad and a triangle sharing a face
90c4762a1bSJed Brown 
91c4762a1bSJed Brown    5-------4
92c4762a1bSJed Brown    |       | \
93c4762a1bSJed Brown    |   0   |  \
94c4762a1bSJed Brown    |       | 1 \
95c4762a1bSJed Brown    2-------3----6
96c4762a1bSJed Brown 
97c4762a1bSJed Brown should become
98c4762a1bSJed Brown 
99c4762a1bSJed Brown    5---9---4
100c4762a1bSJed Brown    |       | \
101c4762a1bSJed Brown   10   0   8  12
102c4762a1bSJed Brown    |       | 1 \
103c4762a1bSJed Brown    2---7---3-11-6
104c4762a1bSJed Brown 
105c4762a1bSJed Brown Hexahedron
106c4762a1bSJed Brown ----------
107c4762a1bSJed Brown Test 0:
108c4762a1bSJed Brown Two hexes sharing a face
109c4762a1bSJed Brown 
110c4762a1bSJed Brown cell   9-------------8-------------13 cell
111c4762a1bSJed Brown 0     /|            /|            /|     1
112c4762a1bSJed Brown      / |   15      / |   21      / |
113c4762a1bSJed Brown     /  |          /  |          /  |
114c4762a1bSJed Brown    6-------------7-------------12  |
115c4762a1bSJed Brown    |   |     18  |   |     24  |   |
116c4762a1bSJed Brown    |   |         |   |         |   |
117c4762a1bSJed Brown    |19 |         |17 |         |23 |
118c4762a1bSJed Brown    |   |  16     |   |   22    |   |
119c4762a1bSJed Brown    |   5---------|---4---------|---11
120c4762a1bSJed Brown    |  /          |  /          |  /
121c4762a1bSJed Brown    | /   14      | /    20     | /
122c4762a1bSJed Brown    |/            |/            |/
123c4762a1bSJed Brown    2-------------3-------------10
124c4762a1bSJed Brown 
125c4762a1bSJed Brown should become
126c4762a1bSJed Brown 
127c4762a1bSJed Brown cell   9-----31------8-----42------13 cell
128c4762a1bSJed Brown 0     /|            /|            /|     1
129c4762a1bSJed Brown     32 |   15      30|   21      41|
130c4762a1bSJed Brown     /  |          /  |          /  |
131c4762a1bSJed Brown    6-----29------7-----40------12  |
132c4762a1bSJed Brown    |   |     17  |   |     23  |   |
133c4762a1bSJed Brown    |  35         |  36         |   44
134c4762a1bSJed Brown    |19 |         |18 |         |24 |
135c4762a1bSJed Brown   34   |  16    33   |   22   43   |
136c4762a1bSJed Brown    |   5-----26--|---4-----37--|---11
137c4762a1bSJed Brown    |  /          |  /          |  /
138c4762a1bSJed Brown    | 25   14     | 27    20    | 38
139c4762a1bSJed Brown    |/            |/            |/
140c4762a1bSJed Brown    2-----28------3-----39------10
141c4762a1bSJed Brown 
142c4762a1bSJed Brown */
143c4762a1bSJed Brown 
144c4762a1bSJed Brown typedef struct {
145c4762a1bSJed Brown   DM        dm;
146c4762a1bSJed Brown   PetscInt  testNum;                      /* Indicates the mesh to create */
147c4762a1bSJed Brown   PetscInt  dim;                          /* The topological mesh dimension */
148c4762a1bSJed Brown   PetscBool cellSimplex;                  /* Use simplices or hexes */
149c4762a1bSJed Brown   PetscBool useGenerator;                 /* Construct mesh with a mesh generator */
150*da9060c4SMatthew G. Knepley   PetscBool refCell;                      /* Construct reference cell by type */
151*da9060c4SMatthew G. Knepley   PetscBool femGeometry;                  /* Flag to compute FEM geometry */
152c4762a1bSJed Brown   char      filename[PETSC_MAX_PATH_LEN]; /* Import mesh from file */
153c4762a1bSJed Brown } AppCtx;
154c4762a1bSJed Brown 
155c4762a1bSJed Brown PetscErrorCode ProcessOptions(MPI_Comm comm, AppCtx *options)
156c4762a1bSJed Brown {
157c4762a1bSJed Brown   PetscErrorCode ierr;
158c4762a1bSJed Brown 
159c4762a1bSJed Brown   PetscFunctionBegin;
160c4762a1bSJed Brown   options->testNum      = 0;
161c4762a1bSJed Brown   options->dim          = 2;
162c4762a1bSJed Brown   options->cellSimplex  = PETSC_TRUE;
163c4762a1bSJed Brown   options->useGenerator = PETSC_FALSE;
164*da9060c4SMatthew G. Knepley   options->refCell      = PETSC_FALSE;
165*da9060c4SMatthew G. Knepley   options->femGeometry  = PETSC_TRUE;
166c4762a1bSJed Brown   options->filename[0]  = '\0';
167c4762a1bSJed Brown 
168c4762a1bSJed Brown   ierr = PetscOptionsBegin(comm, "", "Meshing Interpolation Test Options", "DMPLEX");CHKERRQ(ierr);
169c4762a1bSJed Brown   ierr = PetscOptionsBoundedInt("-testnum", "The mesh to create", "ex7.c", options->testNum, &options->testNum, NULL,0);CHKERRQ(ierr);
170c4762a1bSJed Brown   ierr = PetscOptionsRangeInt("-dim", "The topological mesh dimension", "ex7.c", options->dim, &options->dim, NULL,1,3);CHKERRQ(ierr);
171c4762a1bSJed Brown   ierr = PetscOptionsBool("-cell_simplex", "Use simplices if true, otherwise hexes", "ex7.c", options->cellSimplex, &options->cellSimplex, NULL);CHKERRQ(ierr);
172c4762a1bSJed Brown   ierr = PetscOptionsBool("-use_generator", "Use a mesh generator to build the mesh", "ex7.c", options->useGenerator, &options->useGenerator, NULL);CHKERRQ(ierr);
173*da9060c4SMatthew G. Knepley   ierr = PetscOptionsBool("-ref_cell", "Create a reference cell", "ex7.c", options->refCell, &options->refCell, NULL);CHKERRQ(ierr);
174*da9060c4SMatthew G. Knepley   ierr = PetscOptionsBool("-fem_geometry", "Flag to compute FEM geometry", "ex7.c", options->femGeometry, &options->femGeometry, NULL);CHKERRQ(ierr);
175589a23caSBarry Smith   ierr = PetscOptionsString("-filename", "The mesh file", "ex7.c", options->filename, options->filename, sizeof(options->filename), NULL);CHKERRQ(ierr);
176c4762a1bSJed Brown   ierr = PetscOptionsEnd();
177c4762a1bSJed Brown   PetscFunctionReturn(0);
178c4762a1bSJed Brown }
179c4762a1bSJed Brown 
180c4762a1bSJed Brown PetscErrorCode CreateSimplex_2D(MPI_Comm comm, DM dm)
181c4762a1bSJed Brown {
182c4762a1bSJed Brown   PetscInt       depth = 1, testNum  = 0, p;
183c4762a1bSJed Brown   PetscMPIInt    rank;
184c4762a1bSJed Brown   PetscErrorCode ierr;
185c4762a1bSJed Brown 
186c4762a1bSJed Brown   PetscFunctionBegin;
187c4762a1bSJed Brown   ierr = MPI_Comm_rank(comm, &rank);CHKERRQ(ierr);
188c4762a1bSJed Brown   if (!rank) {
189c4762a1bSJed Brown     switch (testNum) {
190c4762a1bSJed Brown     case 0:
191c4762a1bSJed Brown     {
192c4762a1bSJed Brown       PetscInt    numPoints[2]        = {4, 2};
193c4762a1bSJed Brown       PetscInt    coneSize[6]         = {3, 3, 0, 0, 0, 0};
194c4762a1bSJed Brown       PetscInt    cones[6]            = {2, 3, 4,  5, 4, 3};
195c4762a1bSJed Brown       PetscInt    coneOrientations[6] = {0, 0, 0,  0, 0, 0};
196c4762a1bSJed Brown       PetscScalar vertexCoords[8]     = {-0.5, 0.5, 0.0, 0.0, 0.0, 1.0, 0.5, 0.5};
197c4762a1bSJed Brown       PetscInt    markerPoints[8]     = {2, 1, 3, 1, 4, 1, 5, 1};
198c4762a1bSJed Brown 
199c4762a1bSJed Brown       ierr = DMPlexCreateFromDAG(dm, depth, numPoints, coneSize, cones, coneOrientations, vertexCoords);CHKERRQ(ierr);
200c4762a1bSJed Brown       for (p = 0; p < 4; ++p) {
201c4762a1bSJed Brown         ierr = DMSetLabelValue(dm, "marker", markerPoints[p*2], markerPoints[p*2+1]);CHKERRQ(ierr);
202c4762a1bSJed Brown       }
203c4762a1bSJed Brown     }
204c4762a1bSJed Brown     break;
205c4762a1bSJed Brown     default:
206c4762a1bSJed Brown       SETERRQ1(comm, PETSC_ERR_ARG_OUTOFRANGE, "No test mesh %d", testNum);
207c4762a1bSJed Brown     }
208c4762a1bSJed Brown   } else {
209c4762a1bSJed Brown     PetscInt numPoints[2] = {0, 0};
210c4762a1bSJed Brown 
211c4762a1bSJed Brown     ierr = DMPlexCreateFromDAG(dm, depth, numPoints, NULL, NULL, NULL, NULL);CHKERRQ(ierr);
212c4762a1bSJed Brown   }
213c4762a1bSJed Brown   PetscFunctionReturn(0);
214c4762a1bSJed Brown }
215c4762a1bSJed Brown 
216c4762a1bSJed Brown PetscErrorCode CreateSimplex_3D(MPI_Comm comm, DM dm)
217c4762a1bSJed Brown {
218c4762a1bSJed Brown   PetscInt       depth = 1, testNum  = 0, p;
219c4762a1bSJed Brown   PetscMPIInt    rank;
220c4762a1bSJed Brown   PetscErrorCode ierr;
221c4762a1bSJed Brown 
222c4762a1bSJed Brown   PetscFunctionBegin;
223c4762a1bSJed Brown   ierr = MPI_Comm_rank(comm, &rank);CHKERRQ(ierr);
224c4762a1bSJed Brown   if (!rank) {
225c4762a1bSJed Brown     switch (testNum) {
226c4762a1bSJed Brown     case 0:
227c4762a1bSJed Brown     {
228c4762a1bSJed Brown       PetscInt    numPoints[2]        = {5, 2};
229c4762a1bSJed Brown       PetscInt    coneSize[23]        = {4, 4, 0, 0, 0, 0, 0};
230c4762a1bSJed Brown       PetscInt    cones[8]            = {2, 4, 3, 5,  3, 4, 6, 5};
231c4762a1bSJed Brown       PetscInt    coneOrientations[8] = {0, 0, 0, 0,  0, 0, 0, 0};
232c4762a1bSJed Brown       PetscScalar vertexCoords[15]    = {0.0, 0.0, -0.5,  0.0, -0.5, 0.0,  1.0, 0.0, 0.0,  0.0, 0.5, 0.0,  0.0, 0.0, 0.5};
233c4762a1bSJed Brown       PetscInt    markerPoints[8]     = {2, 1, 3, 1, 4, 1, 5, 1};
234c4762a1bSJed Brown 
235c4762a1bSJed Brown       ierr = DMPlexCreateFromDAG(dm, depth, numPoints, coneSize, cones, coneOrientations, vertexCoords);CHKERRQ(ierr);
236c4762a1bSJed Brown       for (p = 0; p < 4; ++p) {
237c4762a1bSJed Brown         ierr = DMSetLabelValue(dm, "marker", markerPoints[p*2], markerPoints[p*2+1]);CHKERRQ(ierr);
238c4762a1bSJed Brown       }
239c4762a1bSJed Brown     }
240c4762a1bSJed Brown     break;
241c4762a1bSJed Brown     default:
242c4762a1bSJed Brown       SETERRQ1(comm, PETSC_ERR_ARG_OUTOFRANGE, "No test mesh %d", testNum);
243c4762a1bSJed Brown     }
244c4762a1bSJed Brown   } else {
245c4762a1bSJed Brown     PetscInt numPoints[2] = {0, 0};
246c4762a1bSJed Brown 
247c4762a1bSJed Brown     ierr = DMPlexCreateFromDAG(dm, depth, numPoints, NULL, NULL, NULL, NULL);CHKERRQ(ierr);
248c4762a1bSJed Brown   }
249c4762a1bSJed Brown   PetscFunctionReturn(0);
250c4762a1bSJed Brown }
251c4762a1bSJed Brown 
252c4762a1bSJed Brown PetscErrorCode CreateQuad_2D(MPI_Comm comm, PetscInt testNum, DM dm)
253c4762a1bSJed Brown {
254c4762a1bSJed Brown   PetscInt       depth = 1, p;
255c4762a1bSJed Brown   PetscMPIInt    rank;
256c4762a1bSJed Brown   PetscErrorCode ierr;
257c4762a1bSJed Brown 
258c4762a1bSJed Brown   PetscFunctionBegin;
259c4762a1bSJed Brown   ierr = MPI_Comm_rank(comm, &rank);CHKERRQ(ierr);
260c4762a1bSJed Brown   if (!rank) {
261c4762a1bSJed Brown     switch (testNum) {
262c4762a1bSJed Brown     case 0:
263c4762a1bSJed Brown     {
264c4762a1bSJed Brown       PetscInt    numPoints[2]        = {6, 2};
265c4762a1bSJed Brown       PetscInt    coneSize[8]         = {4, 4, 0, 0, 0, 0, 0, 0};
266c4762a1bSJed Brown       PetscInt    cones[8]            = {2, 3, 4, 5,  3, 6, 7, 4};
267c4762a1bSJed Brown       PetscInt    coneOrientations[8] = {0, 0, 0, 0,  0, 0, 0, 0};
268c4762a1bSJed Brown       PetscScalar vertexCoords[12]    = {-0.5, 0.0, 0.0, 0.0, 0.0, 1.0, -0.5, 1.0, 0.5, 0.0, 0.5, 1.0};
269c4762a1bSJed Brown       PetscInt    markerPoints[12]    = {2, 1, 3, 1, 4, 1, 5, 1, 6, 1, 7, 1};
270c4762a1bSJed Brown 
271c4762a1bSJed Brown       ierr = DMPlexCreateFromDAG(dm, depth, numPoints, coneSize, cones, coneOrientations, vertexCoords);CHKERRQ(ierr);
272c4762a1bSJed Brown       for (p = 0; p < 6; ++p) {
273c4762a1bSJed Brown         ierr = DMSetLabelValue(dm, "marker", markerPoints[p*2], markerPoints[p*2+1]);CHKERRQ(ierr);
274c4762a1bSJed Brown       }
275c4762a1bSJed Brown     }
276c4762a1bSJed Brown     break;
277c4762a1bSJed Brown     case 1:
278c4762a1bSJed Brown     {
279c4762a1bSJed Brown       PetscInt    numPoints[2]        = {5, 2};
280c4762a1bSJed Brown       PetscInt    coneSize[7]         = {4, 3, 0, 0, 0, 0, 0};
281c4762a1bSJed Brown       PetscInt    cones[7]            = {2, 3, 4, 5,  3, 6, 4};
282c4762a1bSJed Brown       PetscInt    coneOrientations[7] = {0, 0, 0, 0,  0, 0, 0};
283c4762a1bSJed Brown       PetscScalar vertexCoords[10]    = {-0.5, 0.0, 0.0, 0.0, 0.0, 1.0, -0.5, 1.0, 0.5, 0.0};
284c4762a1bSJed Brown       PetscInt    markerPoints[10]    = {2, 1, 3, 1, 4, 1, 5, 1, 6, 1};
285c4762a1bSJed Brown 
286c4762a1bSJed Brown       ierr = DMPlexCreateFromDAG(dm, depth, numPoints, coneSize, cones, coneOrientations, vertexCoords);CHKERRQ(ierr);
287c4762a1bSJed Brown       for (p = 0; p < 5; ++p) {
288c4762a1bSJed Brown         ierr = DMSetLabelValue(dm, "marker", markerPoints[p*2], markerPoints[p*2+1]);CHKERRQ(ierr);
289c4762a1bSJed Brown       }
290c4762a1bSJed Brown     }
291c4762a1bSJed Brown     break;
292c4762a1bSJed Brown     default:
293c4762a1bSJed Brown       SETERRQ1(comm, PETSC_ERR_ARG_OUTOFRANGE, "No test mesh %d", testNum);
294c4762a1bSJed Brown     }
295c4762a1bSJed Brown   } else {
296c4762a1bSJed Brown     PetscInt numPoints[2] = {0, 0};
297c4762a1bSJed Brown 
298c4762a1bSJed Brown     ierr = DMPlexCreateFromDAG(dm, depth, numPoints, NULL, NULL, NULL, NULL);CHKERRQ(ierr);
299c4762a1bSJed Brown   }
300c4762a1bSJed Brown   PetscFunctionReturn(0);
301c4762a1bSJed Brown }
302c4762a1bSJed Brown 
303c4762a1bSJed Brown PetscErrorCode CreateHex_3D(MPI_Comm comm, DM dm)
304c4762a1bSJed Brown {
305c4762a1bSJed Brown   PetscInt       depth = 1, testNum  = 0, p;
306c4762a1bSJed Brown   PetscMPIInt    rank;
307c4762a1bSJed Brown   PetscErrorCode ierr;
308c4762a1bSJed Brown 
309c4762a1bSJed Brown   PetscFunctionBegin;
310c4762a1bSJed Brown   ierr = MPI_Comm_rank(comm, &rank);CHKERRQ(ierr);
311c4762a1bSJed Brown   if (!rank) {
312c4762a1bSJed Brown     switch (testNum) {
313c4762a1bSJed Brown     case 0:
314c4762a1bSJed Brown     {
315c4762a1bSJed Brown       PetscInt    numPoints[2]         = {12, 2};
316c4762a1bSJed Brown       PetscInt    coneSize[14]         = {8, 8, 0,0,0,0,0,0,0,0,0,0,0,0};
317c4762a1bSJed Brown       PetscInt    cones[16]            = {2,5,4,3,6,7,8,9,  3,4,11,10,7,12,13,8};
318c4762a1bSJed Brown       PetscInt    coneOrientations[16] = {0,0,0,0,0,0,0,0,  0,0, 0, 0,0, 0, 0,0};
319c4762a1bSJed Brown       PetscScalar vertexCoords[36]     = {-0.5,0.0,0.0, 0.0,0.0,0.0, 0.0,1.0,0.0, -0.5,1.0,0.0,
320c4762a1bSJed Brown                                           -0.5,0.0,1.0, 0.0,0.0,1.0, 0.0,1.0,1.0, -0.5,1.0,1.0,
321c4762a1bSJed Brown                                            0.5,0.0,0.0, 0.5,1.0,0.0, 0.5,0.0,1.0,  0.5,1.0,1.0};
322c4762a1bSJed Brown       PetscInt    markerPoints[16]     = {2,1,3,1,4,1,5,1,6,1,7,1,8,1,9,1};
323c4762a1bSJed Brown 
324c4762a1bSJed Brown       ierr = DMPlexCreateFromDAG(dm, depth, numPoints, coneSize, cones, coneOrientations, vertexCoords);CHKERRQ(ierr);
325c4762a1bSJed Brown       for (p = 0; p < 8; ++p) {
326c4762a1bSJed Brown         ierr = DMSetLabelValue(dm, "marker", markerPoints[p*2], markerPoints[p*2+1]);CHKERRQ(ierr);
327c4762a1bSJed Brown       }
328c4762a1bSJed Brown     }
329c4762a1bSJed Brown     break;
330c4762a1bSJed Brown     default:
331c4762a1bSJed Brown       SETERRQ1(comm, PETSC_ERR_ARG_OUTOFRANGE, "No test mesh %d", testNum);
332c4762a1bSJed Brown     }
333c4762a1bSJed Brown   } else {
334c4762a1bSJed Brown     PetscInt numPoints[2] = {0, 0};
335c4762a1bSJed Brown 
336c4762a1bSJed Brown     ierr = DMPlexCreateFromDAG(dm, depth, numPoints, NULL, NULL, NULL, NULL);CHKERRQ(ierr);
337c4762a1bSJed Brown   }
338c4762a1bSJed Brown   PetscFunctionReturn(0);
339c4762a1bSJed Brown }
340c4762a1bSJed Brown 
341c4762a1bSJed Brown PetscErrorCode CheckMesh(DM dm, AppCtx *user)
342c4762a1bSJed Brown {
343c4762a1bSJed Brown   PetscReal      detJ, J[9], refVol = 1.0;
344c4762a1bSJed Brown   PetscReal      vol;
345c4762a1bSJed Brown   PetscInt       dim, depth, d, cStart, cEnd, c;
346c4762a1bSJed Brown   PetscErrorCode ierr;
347c4762a1bSJed Brown 
348c4762a1bSJed Brown   PetscFunctionBegin;
349c4762a1bSJed Brown   ierr = DMGetDimension(dm, &dim);CHKERRQ(ierr);
350c4762a1bSJed Brown   ierr = DMPlexGetDepth(dm, &depth);CHKERRQ(ierr);
351c4762a1bSJed Brown   for (d = 0; d < dim; ++d) {
352c4762a1bSJed Brown     refVol *= 2.0;
353c4762a1bSJed Brown   }
354c4762a1bSJed Brown   ierr = DMPlexGetHeightStratum(dm, 0, &cStart, &cEnd);CHKERRQ(ierr);
355c4762a1bSJed Brown   for (c = cStart; c < cEnd; ++c) {
356*da9060c4SMatthew G. Knepley     if (user->femGeometry) {
357c4762a1bSJed Brown       ierr = DMPlexComputeCellGeometryFEM(dm, c, NULL, NULL, J, NULL, &detJ);CHKERRQ(ierr);
358*da9060c4SMatthew G. Knepley       if (detJ <= 0.0) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Mesh cell %D is inverted, |J| = %g", c, (double) detJ);
359*da9060c4SMatthew G. Knepley       ierr = PetscInfo1(dm, "FEM Volume: %g\n", (double) detJ*refVol);CHKERRQ(ierr);
360*da9060c4SMatthew G. Knepley     }
361c4762a1bSJed Brown     if (depth > 1) {
362c4762a1bSJed Brown       ierr = DMPlexComputeCellGeometryFVM(dm, c, &vol, NULL, NULL);CHKERRQ(ierr);
363*da9060c4SMatthew G. Knepley       if (vol <= 0.0) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Mesh cell %D is inverted, vol = %g", c, (double) vol);
364*da9060c4SMatthew G. Knepley       ierr = PetscInfo1(dm, "FVM Volume: %g\n", (double) vol);CHKERRQ(ierr);
365c4762a1bSJed Brown     }
366c4762a1bSJed Brown   }
367c4762a1bSJed Brown   PetscFunctionReturn(0);
368c4762a1bSJed Brown }
369c4762a1bSJed Brown 
370c4762a1bSJed Brown PetscErrorCode CompareCones(DM dm, DM idm)
371c4762a1bSJed Brown {
372c4762a1bSJed Brown   PetscInt       cStart, cEnd, c, vStart, vEnd, v;
373c4762a1bSJed Brown   PetscErrorCode ierr;
374c4762a1bSJed Brown 
375c4762a1bSJed Brown   PetscFunctionBegin;
376c4762a1bSJed Brown   ierr = DMPlexGetHeightStratum(dm, 0, &cStart, &cEnd);CHKERRQ(ierr);
377c4762a1bSJed Brown   ierr = DMPlexGetDepthStratum(dm, 0, &vStart, &vEnd);CHKERRQ(ierr);
378c4762a1bSJed Brown   for (c = cStart; c < cEnd; ++c) {
379c4762a1bSJed Brown     const PetscInt *cone;
380c4762a1bSJed Brown     PetscInt       *points = NULL, numPoints, p, numVertices = 0, coneSize;
381c4762a1bSJed Brown 
382c4762a1bSJed Brown     ierr = DMPlexGetCone(dm, c, &cone);CHKERRQ(ierr);
383c4762a1bSJed Brown     ierr = DMPlexGetConeSize(dm, c, &coneSize);CHKERRQ(ierr);
384c4762a1bSJed Brown     ierr = DMPlexGetTransitiveClosure(idm, c, PETSC_TRUE, &numPoints, &points);CHKERRQ(ierr);
385c4762a1bSJed Brown     for (p = 0; p < numPoints*2; p += 2) {
386c4762a1bSJed Brown       const PetscInt point = points[p];
387c4762a1bSJed Brown       if ((point >= vStart) && (point < vEnd)) points[numVertices++] = point;
388c4762a1bSJed Brown     }
389c4762a1bSJed Brown     if (numVertices != coneSize) SETERRQ3(PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "In cell %d, cone size %d != %d vertices in closure", c, coneSize, numVertices);
390c4762a1bSJed Brown     for (v = 0; v < numVertices; ++v) {
391c4762a1bSJed Brown       if (cone[v] != points[v]) SETERRQ4(PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "In cell %d, cone point %d is %d != %d vertex in closure", c, v, cone[v], points[v]);
392c4762a1bSJed Brown     }
393c4762a1bSJed Brown     ierr = DMPlexRestoreTransitiveClosure(idm, c, PETSC_TRUE, &numPoints, &points);CHKERRQ(ierr);
394c4762a1bSJed Brown   }
395c4762a1bSJed Brown   PetscFunctionReturn(0);
396c4762a1bSJed Brown }
397c4762a1bSJed Brown 
398c4762a1bSJed Brown PetscErrorCode CreateMesh(MPI_Comm comm, PetscInt testNum, AppCtx *user, DM *dm)
399c4762a1bSJed Brown {
400c4762a1bSJed Brown   PetscInt       dim          = user->dim;
401c4762a1bSJed Brown   PetscBool      cellSimplex  = user->cellSimplex;
402c4762a1bSJed Brown   PetscBool      useGenerator = user->useGenerator;
403c4762a1bSJed Brown   const char    *filename     = user->filename;
404c4762a1bSJed Brown   size_t         len;
405c4762a1bSJed Brown   PetscMPIInt    rank;
406c4762a1bSJed Brown   PetscErrorCode ierr;
407c4762a1bSJed Brown 
408c4762a1bSJed Brown   PetscFunctionBegin;
409c4762a1bSJed Brown   ierr = MPI_Comm_rank(comm, &rank);CHKERRQ(ierr);
410c4762a1bSJed Brown   ierr = PetscStrlen(filename, &len);CHKERRQ(ierr);
411c4762a1bSJed Brown   if (len) {
412c4762a1bSJed Brown     ierr = DMPlexCreateFromFile(comm, filename, PETSC_FALSE, dm);CHKERRQ(ierr);
413c4762a1bSJed Brown     ierr = DMGetDimension(*dm, &dim);CHKERRQ(ierr);
414c4762a1bSJed Brown   } else if (useGenerator) {
415c4762a1bSJed Brown     ierr = DMPlexCreateBoxMesh(comm, dim, cellSimplex, NULL, NULL, NULL, NULL, PETSC_FALSE, dm);CHKERRQ(ierr);
416*da9060c4SMatthew G. Knepley   } else if (user->refCell) {
417*da9060c4SMatthew G. Knepley     ierr = DMPlexCreateReferenceCellByType(comm, DM_POLYTOPE_UNKNOWN, dm);CHKERRQ(ierr);
418c4762a1bSJed Brown   } else {
419c4762a1bSJed Brown     ierr = DMCreate(comm, dm);CHKERRQ(ierr);
420c4762a1bSJed Brown     ierr = DMSetType(*dm, DMPLEX);CHKERRQ(ierr);
421c4762a1bSJed Brown     ierr = DMSetDimension(*dm, dim);CHKERRQ(ierr);
422c4762a1bSJed Brown     switch (dim) {
423c4762a1bSJed Brown     case 2:
424c4762a1bSJed Brown       if (cellSimplex) {
425c4762a1bSJed Brown         ierr = CreateSimplex_2D(comm, *dm);CHKERRQ(ierr);
426c4762a1bSJed Brown       } else {
427c4762a1bSJed Brown         ierr = CreateQuad_2D(comm, testNum, *dm);CHKERRQ(ierr);
428c4762a1bSJed Brown       }
429c4762a1bSJed Brown       break;
430c4762a1bSJed Brown     case 3:
431c4762a1bSJed Brown       if (cellSimplex) {
432c4762a1bSJed Brown         ierr = CreateSimplex_3D(comm, *dm);CHKERRQ(ierr);
433c4762a1bSJed Brown       } else {
434c4762a1bSJed Brown         ierr = CreateHex_3D(comm, *dm);CHKERRQ(ierr);
435c4762a1bSJed Brown       }
436c4762a1bSJed Brown       break;
437c4762a1bSJed Brown     default:
438c4762a1bSJed Brown       SETERRQ1(comm, PETSC_ERR_ARG_OUTOFRANGE, "Cannot make meshes for dimension %d", dim);
439c4762a1bSJed Brown     }
440c4762a1bSJed Brown   }
441c4762a1bSJed Brown   {
442*da9060c4SMatthew G. Knepley     DMPlexInterpolatedFlag interpolated;
443c4762a1bSJed Brown 
444c4762a1bSJed Brown     ierr = CheckMesh(*dm, user);CHKERRQ(ierr);
445*da9060c4SMatthew G. Knepley     ierr = DMPlexIsInterpolated(*dm, &interpolated);CHKERRQ(ierr);
446*da9060c4SMatthew G. Knepley     if (interpolated == DMPLEX_INTERPOLATED_FULL) {
447*da9060c4SMatthew G. Knepley       DM udm;
448*da9060c4SMatthew G. Knepley 
449*da9060c4SMatthew G. Knepley       ierr = DMPlexUninterpolate(*dm, &udm);CHKERRQ(ierr);
450*da9060c4SMatthew G. Knepley       ierr = CompareCones(udm, *dm);CHKERRQ(ierr);
451*da9060c4SMatthew G. Knepley       ierr = DMDestroy(&udm);CHKERRQ(ierr);
452*da9060c4SMatthew G. Knepley     } else {
453*da9060c4SMatthew G. Knepley       DM idm;
454*da9060c4SMatthew G. Knepley 
455c4762a1bSJed Brown       ierr = DMPlexInterpolate(*dm, &idm);CHKERRQ(ierr);
456c4762a1bSJed Brown       ierr = CompareCones(*dm, idm);CHKERRQ(ierr);
457c4762a1bSJed Brown       ierr = DMDestroy(dm);CHKERRQ(ierr);
458c4762a1bSJed Brown       *dm  = idm;
459c4762a1bSJed Brown     }
460*da9060c4SMatthew G. Knepley   }
461c4762a1bSJed Brown   {
462c4762a1bSJed Brown     DM               distributedMesh = NULL;
463c4762a1bSJed Brown     PetscPartitioner part;
464c4762a1bSJed Brown 
465c4762a1bSJed Brown     ierr = DMPlexGetPartitioner(*dm, &part);CHKERRQ(ierr);
466c4762a1bSJed Brown     ierr = PetscPartitionerSetFromOptions(part);CHKERRQ(ierr);
467c4762a1bSJed Brown     /* Distribute mesh over processes */
468c4762a1bSJed Brown     ierr = DMPlexDistribute(*dm, 0, NULL, &distributedMesh);CHKERRQ(ierr);
469c4762a1bSJed Brown     if (distributedMesh) {
470c4762a1bSJed Brown       ierr = DMViewFromOptions(distributedMesh, NULL, "-dm_view");CHKERRQ(ierr);
471c4762a1bSJed Brown       ierr = DMDestroy(dm);CHKERRQ(ierr);
472c4762a1bSJed Brown       *dm  = distributedMesh;
473c4762a1bSJed Brown     }
474c4762a1bSJed Brown   }
475c4762a1bSJed Brown   ierr = PetscObjectSetName((PetscObject) *dm, "Interpolated Mesh");CHKERRQ(ierr);
476*da9060c4SMatthew G. Knepley   ierr = DMSetFromOptions(*dm);CHKERRQ(ierr);
477c4762a1bSJed Brown   ierr = DMViewFromOptions(*dm, NULL, "-dm_view");CHKERRQ(ierr);
478c4762a1bSJed Brown   user->dm = *dm;
479c4762a1bSJed Brown   PetscFunctionReturn(0);
480c4762a1bSJed Brown }
481c4762a1bSJed Brown 
482c4762a1bSJed Brown int main(int argc, char **argv)
483c4762a1bSJed Brown {
484c4762a1bSJed Brown   AppCtx         user;                 /* user-defined work context */
485c4762a1bSJed Brown   PetscErrorCode ierr;
486c4762a1bSJed Brown 
487c4762a1bSJed Brown   ierr = PetscInitialize(&argc, &argv, NULL,help);if (ierr) return ierr;
488c4762a1bSJed Brown   ierr = ProcessOptions(PETSC_COMM_WORLD, &user);CHKERRQ(ierr);
489c4762a1bSJed Brown   ierr = CreateMesh(PETSC_COMM_WORLD, user.testNum, &user, &user.dm);CHKERRQ(ierr);
490c4762a1bSJed Brown   ierr = CheckMesh(user.dm, &user);CHKERRQ(ierr);
491c4762a1bSJed Brown   ierr = DMDestroy(&user.dm);CHKERRQ(ierr);
492c4762a1bSJed Brown   ierr = PetscFinalize();
493c4762a1bSJed Brown   return ierr;
494c4762a1bSJed Brown }
495c4762a1bSJed Brown 
496c4762a1bSJed Brown /*TEST
497c4762a1bSJed Brown 
498c4762a1bSJed Brown   # Two cell test meshes 0-7
499c4762a1bSJed Brown   test:
500c4762a1bSJed Brown     suffix: 0
501c4762a1bSJed Brown     args: -dim 2 -dm_view ascii::ascii_info_detail
502c4762a1bSJed Brown   test:
503c4762a1bSJed Brown     suffix: 1
504c4762a1bSJed Brown     nsize: 2
505c4762a1bSJed Brown     args: -petscpartitioner_type simple -dim 2 -dm_view ascii::ascii_info_detail
506c4762a1bSJed Brown   test:
507c4762a1bSJed Brown     suffix: 2
508c4762a1bSJed Brown     args: -dim 2 -cell_simplex 0 -dm_view ascii::ascii_info_detail
509c4762a1bSJed Brown   test:
510c4762a1bSJed Brown     suffix: 3
511c4762a1bSJed Brown     nsize: 2
512c4762a1bSJed Brown     args: -petscpartitioner_type simple -dim 2 -cell_simplex 0 -dm_view ascii::ascii_info_detail
513c4762a1bSJed Brown   test:
514c4762a1bSJed Brown     suffix: 4
515c4762a1bSJed Brown     args: -dim 3 -dm_view ascii::ascii_info_detail
516c4762a1bSJed Brown   test:
517c4762a1bSJed Brown     suffix: 5
518c4762a1bSJed Brown     nsize: 2
519c4762a1bSJed Brown     args: -petscpartitioner_type simple -dim 3 -dm_view ascii::ascii_info_detail
520c4762a1bSJed Brown   test:
521c4762a1bSJed Brown     suffix: 6
522c4762a1bSJed Brown     args: -dim 3 -cell_simplex 0 -dm_view ascii::ascii_info_detail
523c4762a1bSJed Brown   test:
524c4762a1bSJed Brown     suffix: 7
525c4762a1bSJed Brown     nsize: 2
526c4762a1bSJed Brown     args: -petscpartitioner_type simple -dim 3 -cell_simplex 0 -dm_view ascii::ascii_info_detail
527c4762a1bSJed Brown   # 2D Hybrid Mesh 8
528c4762a1bSJed Brown   test:
529c4762a1bSJed Brown     suffix: 8
530c4762a1bSJed Brown     args: -dim 2 -cell_simplex 0 -testnum 1 -dm_view ascii::ascii_info_detail
531*da9060c4SMatthew G. Knepley   # Reference cells
532*da9060c4SMatthew G. Knepley   test:
533*da9060c4SMatthew G. Knepley     suffix: 12
534*da9060c4SMatthew G. Knepley     args: -ref_cell -dm_plex_ref_type pyramid -fem_geometry 0 -dm_plex_check_symmetry -dm_plex_check_skeleton -dm_plex_check_faces
535c4762a1bSJed Brown   # TetGen meshes 9-10
536c4762a1bSJed Brown   test:
537c4762a1bSJed Brown     suffix: 9
538c4762a1bSJed Brown     requires: triangle
539c4762a1bSJed Brown     args: -dim 2 -use_generator -dm_view ascii::ascii_info_detail
540c4762a1bSJed Brown   test:
541c4762a1bSJed Brown     suffix: 10
542c4762a1bSJed Brown     requires: ctetgen
543c4762a1bSJed Brown     args: -dim 3 -use_generator -dm_view ascii::ascii_info_detail
544c4762a1bSJed Brown   # Cubit meshes 11
545c4762a1bSJed Brown   test:
546c4762a1bSJed Brown     suffix: 11
547c4762a1bSJed Brown     requires: exodusii
548c4762a1bSJed Brown     args: -dim 3 -filename ${wPETSC_DIR}/share/petsc/datafiles/meshes/blockcylinder-50.exo -dm_view ascii::ascii_info_detail
549c4762a1bSJed Brown 
550c4762a1bSJed Brown TEST*/
551