Actual source code: plexmed.c
1: #define PETSCDM_DLL
2: #include <petsc/private/dmpleximpl.h>
4: #if defined(PETSC_HAVE_MED)
5: #include <med.h>
6: #endif
8: /*@C
9: DMPlexCreateMedFromFile - Create a `DMPLEX` mesh from a (Salome-)Med file.
11: Collective
13: + comm - The MPI communicator
14: . filename - Name of the .med file
15: - interpolate - Create faces and edges in the mesh
17: Output Parameter:
18: . dm - The `DM` object representing the mesh
20: Level: beginner
22: Reference:
23: . * - https://www.salome-platform.org/user-section/about/med, http://docs.salome-platform.org/latest/MED_index.html
25: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexCreateFromFile()`, `DMPlexCreateGmsh()`, `DMPlexCreate()`
26: @*/
27: PetscErrorCode DMPlexCreateMedFromFile(MPI_Comm comm, const char filename[], PetscBool interpolate, DM *dm)
28: {
29: PetscMPIInt rank, size;
30: #if defined(PETSC_HAVE_MED)
31: med_idt fileID;
32: PetscInt i, ngeo, spaceDim, meshDim;
33: PetscInt numVertices = 0, numCells = 0, c, numCorners, numCellsLocal, numVerticesLocal;
34: med_int *medCellList;
35: PetscInt *cellList;
36: med_float *coordinates = NULL;
37: PetscReal *vertcoords = NULL;
38: PetscLayout vLayout, cLayout;
39: const PetscInt *vrange, *crange;
40: PetscSF sfVertices;
41: char *axisname, *unitname, meshname[MED_NAME_SIZE + 1], geotypename[MED_NAME_SIZE + 1];
42: char meshdescription[MED_COMMENT_SIZE + 1], dtunit[MED_SNAME_SIZE + 1];
43: med_sorting_type sortingtype;
44: med_mesh_type meshtype;
45: med_axis_type axistype;
46: med_bool coordinatechangement, geotransformation, hdfok, medok;
47: med_geometry_type geotype[2], cellID, facetID;
48: med_filter vfilter = MED_FILTER_INIT;
49: med_filter cfilter = MED_FILTER_INIT;
50: med_err mederr;
51: med_int major, minor, release;
52: #endif
54: PetscFunctionBegin;
55: PetscCallMPI(MPI_Comm_rank(comm, &rank));
56: PetscCallMPI(MPI_Comm_size(comm, &size));
57: #if defined(PETSC_HAVE_MED)
58: mederr = MEDfileCompatibility(filename, &hdfok, &medok);
59: PetscCheck(!mederr, comm, PETSC_ERR_ARG_WRONG, "Cannot determine MED file compatibility: %s", filename);
60: PetscCheck(hdfok, comm, PETSC_ERR_ARG_WRONG, "Not a compatible HDF format: %s", filename);
61: PetscCheck(medok, comm, PETSC_ERR_ARG_WRONG, "Not a compatible MED format: %s", filename);
63: fileID = MEDfileOpen(filename, MED_ACC_RDONLY);
64: PetscCheck(fileID >= 0, comm, PETSC_ERR_ARG_WRONG, "Unable to open .med mesh file: %s", filename);
65: mederr = MEDfileNumVersionRd(fileID, &major, &minor, &release);
66: PetscCheck(MEDnMesh(fileID) >= 1, comm, PETSC_ERR_ARG_WRONG, "No meshes found in .med v%d.%d.%d mesh file: %s", major, minor, release, filename);
67: spaceDim = MEDmeshnAxis(fileID, 1);
68: PetscCheck(spaceDim >= 1, comm, PETSC_ERR_ARG_WRONG, "Mesh of unknown space dimension found in .med v%d.%d.%d mesh file: %s", major, minor, release, filename);
69: /* Read general mesh information */
70: PetscCall(PetscMalloc1(MED_SNAME_SIZE * spaceDim + 1, &axisname));
71: PetscCall(PetscMalloc1(MED_SNAME_SIZE * spaceDim + 1, &unitname));
72: {
73: med_int medMeshDim, medNstep;
74: med_int medSpaceDim = spaceDim;
76: PetscCallExternal(MEDmeshInfo, fileID, 1, meshname, &medSpaceDim, &medMeshDim, &meshtype, meshdescription, dtunit, &sortingtype, &medNstep, &axistype, axisname, unitname);
77: spaceDim = medSpaceDim;
78: meshDim = medMeshDim;
79: }
80: PetscCall(PetscFree(axisname));
81: PetscCall(PetscFree(unitname));
82: /* Partition mesh coordinates */
83: numVertices = MEDmeshnEntity(fileID, meshname, MED_NO_DT, MED_NO_IT, MED_NODE, MED_NO_GEOTYPE, MED_COORDINATE, MED_NO_CMODE, &coordinatechangement, &geotransformation);
84: PetscCall(PetscLayoutCreate(comm, &vLayout));
85: PetscCall(PetscLayoutSetSize(vLayout, numVertices));
86: PetscCall(PetscLayoutSetBlockSize(vLayout, 1));
87: PetscCall(PetscLayoutSetUp(vLayout));
88: PetscCall(PetscLayoutGetRanges(vLayout, &vrange));
89: numVerticesLocal = vrange[rank + 1] - vrange[rank];
90: PetscCallExternal(MEDfilterBlockOfEntityCr, fileID, numVertices, 1, spaceDim, MED_ALL_CONSTITUENT, MED_FULL_INTERLACE, MED_COMPACT_STMODE, MED_NO_PROFILE, vrange[rank] + 1, 1, numVerticesLocal, 1, 1, &vfilter);
91: /* Read mesh coordinates */
92: PetscCheck(numVertices >= 0, comm, PETSC_ERR_ARG_WRONG, "No nodes found in .med v%d.%d.%d mesh file: %s", major, minor, release, filename);
93: PetscCall(PetscMalloc1(numVerticesLocal * spaceDim, &coordinates));
94: PetscCallExternal(MEDmeshNodeCoordinateAdvancedRd, fileID, meshname, MED_NO_DT, MED_NO_IT, &vfilter, coordinates);
95: /* Read the types of entity sets in the mesh */
96: ngeo = MEDmeshnEntity(fileID, meshname, MED_NO_DT, MED_NO_IT, MED_CELL, MED_GEO_ALL, MED_CONNECTIVITY, MED_NODAL, &coordinatechangement, &geotransformation);
97: PetscCheck(ngeo >= 1, comm, PETSC_ERR_ARG_WRONG, "No cells found in .med v%d.%d.%d mesh file: %s", major, minor, release, filename);
98: PetscCheck(ngeo <= 2, comm, PETSC_ERR_ARG_WRONG, "Currently no support for hybrid meshes in .med v%d.%d.%d mesh file: %s", major, minor, release, filename);
99: PetscCallExternal(MEDmeshEntityInfo, fileID, meshname, MED_NO_DT, MED_NO_IT, MED_CELL, 1, geotypename, &(geotype[0]));
100: if (ngeo > 1) PetscCallExternal(MEDmeshEntityInfo, fileID, meshname, MED_NO_DT, MED_NO_IT, MED_CELL, 2, geotypename, &(geotype[1]));
101: else geotype[1] = 0;
102: /* Determine topological dim and set ID for cells */
103: cellID = geotype[0] / 100 > geotype[1] / 100 ? 0 : 1;
104: facetID = geotype[0] / 100 > geotype[1] / 100 ? 1 : 0;
105: meshDim = geotype[cellID] / 100;
106: numCorners = geotype[cellID] % 100;
107: /* Partition cells */
108: numCells = MEDmeshnEntity(fileID, meshname, MED_NO_DT, MED_NO_IT, MED_CELL, geotype[cellID], MED_CONNECTIVITY, MED_NODAL, &coordinatechangement, &geotransformation);
109: PetscCall(PetscLayoutCreate(comm, &cLayout));
110: PetscCall(PetscLayoutSetSize(cLayout, numCells));
111: PetscCall(PetscLayoutSetBlockSize(cLayout, 1));
112: PetscCall(PetscLayoutSetUp(cLayout));
113: PetscCall(PetscLayoutGetRanges(cLayout, &crange));
114: numCellsLocal = crange[rank + 1] - crange[rank];
115: PetscCallExternal(MEDfilterBlockOfEntityCr, fileID, numCells, 1, numCorners, MED_ALL_CONSTITUENT, MED_FULL_INTERLACE, MED_COMPACT_STMODE, MED_NO_PROFILE, crange[rank] + 1, 1, numCellsLocal, 1, 1, &cfilter);
116: /* Read cell connectivity */
117: PetscCheck(numCells >= 0, comm, PETSC_ERR_ARG_WRONG, "No cells found in .med v%d.%d.%d mesh file: %s", major, minor, release, filename);
118: PetscCall(PetscMalloc1(numCellsLocal * numCorners, &medCellList));
119: PetscCallExternal(MEDmeshElementConnectivityAdvancedRd, fileID, meshname, MED_NO_DT, MED_NO_IT, MED_CELL, geotype[cellID], MED_NODAL, &cfilter, medCellList);
120: PetscCheck(sizeof(med_int) <= sizeof(PetscInt), comm, PETSC_ERR_ARG_SIZ, "Size of PetscInt %zd less than size of med_int %zd. Reconfigure PETSc --with-64-bit-indices=1", sizeof(PetscInt), sizeof(med_int));
121: PetscCall(PetscMalloc1(numCellsLocal * numCorners, &cellList));
122: for (i = 0; i < numCellsLocal * numCorners; i++) { cellList[i] = ((PetscInt)medCellList[i]) - 1; /* Correct entity counting */ }
123: PetscCall(PetscFree(medCellList));
124: /* Generate the DM */
125: if (sizeof(med_float) == sizeof(PetscReal)) {
126: vertcoords = (PetscReal *)coordinates;
127: } else {
128: PetscCall(PetscMalloc1(numVerticesLocal * spaceDim, &vertcoords));
129: for (i = 0; i < numVerticesLocal * spaceDim; i++) vertcoords[i] = (PetscReal)coordinates[i];
130: }
131: /* Account for cell inversion */
132: for (c = 0; c < numCellsLocal; ++c) {
133: PetscInt *pcone = &cellList[c * numCorners];
135: if (meshDim == 3) {
136: /* Hexahedra are inverted */
137: if (numCorners == 8) {
138: PetscInt tmp = pcone[4 + 1];
139: pcone[4 + 1] = pcone[4 + 3];
140: pcone[4 + 3] = tmp;
141: }
142: }
143: }
144: PetscCall(DMPlexCreateFromCellListParallelPetsc(comm, meshDim, numCellsLocal, numVerticesLocal, numVertices, numCorners, interpolate, cellList, spaceDim, vertcoords, &sfVertices, NULL, dm));
145: if (sizeof(med_float) == sizeof(PetscReal)) {
146: vertcoords = NULL;
147: } else {
148: PetscCall(PetscFree(vertcoords));
149: }
150: if (ngeo > 1) {
151: PetscInt numFacets = 0, numFacetsLocal, numFacetCorners, numFacetsRendezvous;
152: PetscInt c, f, v, vStart, joinSize, vertices[8];
153: PetscInt *facetList, *facetListRendezvous, *facetIDs, *facetIDsRendezvous, *facetListRemote, *facetIDsRemote;
154: const PetscInt *frange, *join;
155: PetscLayout fLayout;
156: med_filter ffilter = MED_FILTER_INIT, fidfilter = MED_FILTER_INIT;
157: PetscSection facetSectionRemote, facetSectionIDsRemote;
158: /* Partition facets */
159: numFacets = MEDmeshnEntity(fileID, meshname, MED_NO_DT, MED_NO_IT, MED_CELL, geotype[facetID], MED_CONNECTIVITY, MED_NODAL, &coordinatechangement, &geotransformation);
160: numFacetCorners = geotype[facetID] % 100;
161: PetscCall(PetscLayoutCreate(comm, &fLayout));
162: PetscCall(PetscLayoutSetSize(fLayout, numFacets));
163: PetscCall(PetscLayoutSetBlockSize(fLayout, 1));
164: PetscCall(PetscLayoutSetUp(fLayout));
165: PetscCall(PetscLayoutGetRanges(fLayout, &frange));
166: numFacetsLocal = frange[rank + 1] - frange[rank];
167: PetscCallExternal(MEDfilterBlockOfEntityCr, fileID, numFacets, 1, numFacetCorners, MED_ALL_CONSTITUENT, MED_FULL_INTERLACE, MED_COMPACT_STMODE, MED_NO_PROFILE, frange[rank] + 1, 1, numFacetsLocal, 1, 1, &ffilter);
168: PetscCallExternal(MEDfilterBlockOfEntityCr, fileID, numFacets, 1, 1, MED_ALL_CONSTITUENT, MED_FULL_INTERLACE, MED_COMPACT_STMODE, MED_NO_PROFILE, frange[rank] + 1, 1, numFacetsLocal, 1, 1, &fidfilter);
169: PetscCall(DMPlexGetDepthStratum(*dm, 0, &vStart, NULL));
170: PetscCall(PetscMalloc1(numFacetsLocal, &facetIDs));
171: PetscCall(PetscMalloc1(numFacetsLocal * numFacetCorners, &facetList));
173: /* Read facet connectivity */
174: {
175: med_int *medFacetList;
177: PetscCall(PetscMalloc1(numFacetsLocal * numFacetCorners, &medFacetList));
178: PetscCallExternal(MEDmeshElementConnectivityAdvancedRd, fileID, meshname, MED_NO_DT, MED_NO_IT, MED_CELL, geotype[facetID], MED_NODAL, &ffilter, medFacetList);
179: for (i = 0; i < numFacetsLocal * numFacetCorners; i++) { facetList[i] = ((PetscInt)medFacetList[i]) - 1; /* Correct entity counting */ }
180: PetscCall(PetscFree(medFacetList));
181: }
183: /* Read facet IDs */
184: {
185: med_int *medFacetIDs;
187: PetscCall(PetscMalloc1(numFacetsLocal, &medFacetIDs));
188: PetscCallExternal(MEDmeshEntityAttributeAdvancedRd, fileID, meshname, MED_FAMILY_NUMBER, MED_NO_DT, MED_NO_IT, MED_CELL, geotype[facetID], &fidfilter, medFacetIDs);
189: for (i = 0; i < numFacetsLocal; i++) facetIDs[i] = (PetscInt)medFacetIDs[i];
190: PetscCall(PetscFree(medFacetIDs));
191: }
193: /* Send facets and IDs to a rendezvous partition that is based on the initial vertex partitioning. */
194: {
195: PetscInt r;
196: DMLabel lblFacetRendezvous, lblFacetMigration;
197: PetscSection facetSection, facetSectionRendezvous;
198: PetscSF sfProcess, sfFacetMigration;
199: const PetscSFNode *remoteVertices;
200: PetscCall(DMLabelCreate(PETSC_COMM_SELF, "Facet Rendezvous", &lblFacetRendezvous));
201: PetscCall(DMLabelCreate(PETSC_COMM_SELF, "Facet Migration", &lblFacetMigration));
202: PetscCall(PetscSFGetGraph(sfVertices, NULL, NULL, NULL, &remoteVertices));
203: for (f = 0; f < numFacetsLocal; f++) {
204: for (v = 0; v < numFacetCorners; v++) {
205: /* Find vertex owner on rendezvous partition and mark in label */
206: const PetscInt vertex = facetList[f * numFacetCorners + v];
207: r = rank;
208: while (vrange[r] > vertex) r--;
209: while (vrange[r + 1] < vertex) r++;
210: PetscCall(DMLabelSetValue(lblFacetRendezvous, f, r));
211: }
212: }
213: /* Build a global process SF */
214: PetscCall(PetscSFCreate(comm, &sfProcess));
215: PetscCall(PetscSFSetGraphWithPattern(sfProcess, NULL, PETSCSF_PATTERN_ALLTOALL));
216: PetscCall(PetscObjectSetName((PetscObject)sfProcess, "Process SF"));
217: /* Convert facet rendezvous label into SF for migration */
218: PetscCall(DMPlexPartitionLabelInvert(*dm, lblFacetRendezvous, sfProcess, lblFacetMigration));
219: PetscCall(DMPlexPartitionLabelCreateSF(*dm, lblFacetMigration, &sfFacetMigration));
220: /* Migrate facet connectivity data */
221: PetscCall(PetscSectionCreate(comm, &facetSection));
222: PetscCall(PetscSectionSetChart(facetSection, 0, numFacetsLocal));
223: for (f = 0; f < numFacetsLocal; f++) PetscCall(PetscSectionSetDof(facetSection, f, numFacetCorners));
224: PetscCall(PetscSectionSetUp(facetSection));
225: PetscCall(PetscSectionCreate(comm, &facetSectionRendezvous));
226: PetscCall(DMPlexDistributeData(*dm, sfFacetMigration, facetSection, MPIU_INT, facetList, facetSectionRendezvous, (void **)&facetListRendezvous));
227: /* Migrate facet IDs */
228: PetscCall(PetscSFGetGraph(sfFacetMigration, NULL, &numFacetsRendezvous, NULL, NULL));
229: PetscCall(PetscMalloc1(numFacetsRendezvous, &facetIDsRendezvous));
230: PetscCall(PetscSFBcastBegin(sfFacetMigration, MPIU_INT, facetIDs, facetIDsRendezvous, MPI_REPLACE));
231: PetscCall(PetscSFBcastEnd(sfFacetMigration, MPIU_INT, facetIDs, facetIDsRendezvous, MPI_REPLACE));
232: /* Clean up */
233: PetscCall(DMLabelDestroy(&lblFacetRendezvous));
234: PetscCall(DMLabelDestroy(&lblFacetMigration));
235: PetscCall(PetscSFDestroy(&sfProcess));
236: PetscCall(PetscSFDestroy(&sfFacetMigration));
237: PetscCall(PetscSectionDestroy(&facetSection));
238: PetscCall(PetscSectionDestroy(&facetSectionRendezvous));
239: }
241: /* On the rendevouz partition we build a vertex-wise section/array of facets and IDs. */
242: {
243: PetscInt sizeVertexFacets, offset, sizeFacetIDsRemote;
244: PetscInt *vertexFacets, *vertexIdx, *vertexFacetIDs;
245: PetscSection facetSectionVertices, facetSectionIDs;
246: ISLocalToGlobalMapping ltogVertexNumbering;
247: PetscCall(PetscSectionCreate(comm, &facetSectionVertices));
248: PetscCall(PetscSectionSetChart(facetSectionVertices, 0, numVerticesLocal));
249: PetscCall(PetscSectionCreate(comm, &facetSectionIDs));
250: PetscCall(PetscSectionSetChart(facetSectionIDs, 0, numVerticesLocal));
251: for (f = 0; f < numFacetsRendezvous * numFacetCorners; f++) {
252: const PetscInt vertex = facetListRendezvous[f];
253: if (vrange[rank] <= vertex && vertex < vrange[rank + 1]) {
254: PetscCall(PetscSectionAddDof(facetSectionIDs, vertex - vrange[rank], 1));
255: PetscCall(PetscSectionAddDof(facetSectionVertices, vertex - vrange[rank], numFacetCorners));
256: }
257: }
258: PetscCall(PetscSectionSetUp(facetSectionVertices));
259: PetscCall(PetscSectionSetUp(facetSectionIDs));
260: PetscCall(PetscSectionGetStorageSize(facetSectionVertices, &sizeVertexFacets));
261: PetscCall(PetscSectionGetStorageSize(facetSectionVertices, &sizeFacetIDsRemote));
262: PetscCall(PetscMalloc1(sizeVertexFacets, &vertexFacets));
263: PetscCall(PetscMalloc1(sizeFacetIDsRemote, &vertexFacetIDs));
264: PetscCall(PetscCalloc1(numVerticesLocal, &vertexIdx));
265: for (f = 0; f < numFacetsRendezvous; f++) {
266: for (c = 0; c < numFacetCorners; c++) {
267: const PetscInt vertex = facetListRendezvous[f * numFacetCorners + c];
268: if (vrange[rank] <= vertex && vertex < vrange[rank + 1]) {
269: /* Flip facet connectivities and IDs to a vertex-wise layout */
270: PetscCall(PetscSectionGetOffset(facetSectionVertices, vertex - vrange[rank], &offset));
271: offset += vertexIdx[vertex - vrange[rank]] * numFacetCorners;
272: PetscCall(PetscArraycpy(&(vertexFacets[offset]), &(facetListRendezvous[f * numFacetCorners]), numFacetCorners));
273: PetscCall(PetscSectionGetOffset(facetSectionIDs, vertex - vrange[rank], &offset));
274: offset += vertexIdx[vertex - vrange[rank]];
275: vertexFacetIDs[offset] = facetIDsRendezvous[f];
276: vertexIdx[vertex - vrange[rank]]++;
277: }
278: }
279: }
280: /* Distribute the vertex-wise facet connectivities over the vertexSF */
281: PetscCall(PetscSectionCreate(comm, &facetSectionRemote));
282: PetscCall(DMPlexDistributeData(*dm, sfVertices, facetSectionVertices, MPIU_INT, vertexFacets, facetSectionRemote, (void **)&facetListRemote));
283: PetscCall(PetscSectionCreate(comm, &facetSectionIDsRemote));
284: PetscCall(DMPlexDistributeData(*dm, sfVertices, facetSectionIDs, MPIU_INT, vertexFacetIDs, facetSectionIDsRemote, (void **)&facetIDsRemote));
285: /* Convert facet connectivities to local vertex numbering */
286: PetscCall(PetscSectionGetStorageSize(facetSectionRemote, &sizeVertexFacets));
287: PetscCall(ISLocalToGlobalMappingCreateSF(sfVertices, vrange[rank], <ogVertexNumbering));
288: PetscCall(ISGlobalToLocalMappingApplyBlock(ltogVertexNumbering, IS_GTOLM_MASK, sizeVertexFacets, facetListRemote, NULL, facetListRemote));
289: /* Clean up */
290: PetscCall(PetscFree(vertexFacets));
291: PetscCall(PetscFree(vertexIdx));
292: PetscCall(PetscFree(vertexFacetIDs));
293: PetscCall(PetscSectionDestroy(&facetSectionVertices));
294: PetscCall(PetscSectionDestroy(&facetSectionIDs));
295: PetscCall(ISLocalToGlobalMappingDestroy(<ogVertexNumbering));
296: }
297: {
298: PetscInt offset, dof;
299: DMLabel lblFaceSets;
300: PetscBool verticesLocal;
301: /* Identify and mark facets locally with facet joins */
302: PetscCall(DMCreateLabel(*dm, "Face Sets"));
303: PetscCall(DMGetLabel(*dm, "Face Sets", &lblFaceSets));
304: /* We need to set a new default value here, since -1 is a legitimate facet ID */
305: PetscCall(DMLabelSetDefaultValue(lblFaceSets, -666666666));
306: for (v = 0; v < numVerticesLocal; v++) {
307: PetscCall(PetscSectionGetOffset(facetSectionRemote, v, &offset));
308: PetscCall(PetscSectionGetDof(facetSectionRemote, v, &dof));
309: for (f = 0; f < dof; f += numFacetCorners) {
310: for (verticesLocal = PETSC_TRUE, c = 0; c < numFacetCorners; ++c) {
311: if (facetListRemote[offset + f + c] < 0) {
312: verticesLocal = PETSC_FALSE;
313: break;
314: }
315: vertices[c] = vStart + facetListRemote[offset + f + c];
316: }
317: if (verticesLocal) {
318: PetscCall(DMPlexGetFullJoin(*dm, numFacetCorners, (const PetscInt *)vertices, &joinSize, &join));
319: if (joinSize == 1) PetscCall(DMLabelSetValue(lblFaceSets, join[0], facetIDsRemote[(offset + f) / numFacetCorners]));
320: PetscCall(DMPlexRestoreJoin(*dm, numFacetCorners, (const PetscInt *)vertices, &joinSize, &join));
321: }
322: }
323: }
324: }
325: PetscCall(PetscFree(facetList));
326: PetscCall(PetscFree(facetListRendezvous));
327: PetscCall(PetscFree(facetListRemote));
328: PetscCall(PetscFree(facetIDs));
329: PetscCall(PetscFree(facetIDsRendezvous));
330: PetscCall(PetscFree(facetIDsRemote));
331: PetscCall(PetscLayoutDestroy(&fLayout));
332: PetscCall(PetscSectionDestroy(&facetSectionRemote));
333: PetscCall(PetscSectionDestroy(&facetSectionIDsRemote));
334: }
335: PetscCallExternal(MEDfileClose, fileID);
336: PetscCall(PetscFree(coordinates));
337: PetscCall(PetscFree(cellList));
338: PetscCall(PetscLayoutDestroy(&vLayout));
339: PetscCall(PetscLayoutDestroy(&cLayout));
340: PetscCall(PetscSFDestroy(&sfVertices));
341: PetscFunctionReturn(PETSC_SUCCESS);
342: #else
343: SETERRQ(comm, PETSC_ERR_SUP, "This method requires Med mesh reader support. Reconfigure using --download-med");
344: #endif
345: }