1 #include "../mmgcommon.h" /*I "petscdmplex.h" I*/ 2 #include <parmmg/libparmmg.h> 3 4 PETSC_EXTERN PetscErrorCode DMAdaptMetric_ParMmg_Plex(DM dm, Vec vertexMetric, DMLabel bdLabel, DMLabel rgLabel, DM *dmNew) { 5 MPI_Comm comm; 6 const char *bdName = "_boundary_"; 7 const char *rgName = "_regions_"; 8 DM udm, cdm; 9 DMLabel bdLabelNew, rgLabelNew; 10 const char *bdLabelName, *rgLabelName; 11 IS globalVertexNum; 12 PetscSection coordSection; 13 Vec coordinates; 14 PetscSF sf; 15 const PetscScalar *coords, *met; 16 PetscReal *vertices, *metric, *verticesNew, *verticesNewLoc, gradationFactor, hausdorffNumber; 17 PetscInt *cells, *cellsNew, *cellTags, *cellTagsNew, *verTags, *verTagsNew; 18 PetscInt *bdFaces, *faceTags, *facesNew, *faceTagsNew; 19 PetscInt *corners, *requiredCells, *requiredVer, *ridges, *requiredFaces; 20 PetscInt cStart, cEnd, c, numCells, fStart, fEnd, f, numFaceTags, vStart, vEnd, v, numVertices; 21 PetscInt dim, off, coff, maxConeSize, bdSize, i, j, k, Neq, verbosity, numIter; 22 PetscInt *numVerInterfaces, *ngbRanks, *verNgbRank, *interfaces_lv, *interfaces_gv, *intOffset; 23 PetscInt niranks, nrranks, numNgbRanks, numVerNgbRanksTotal, count, sliceSize, p, r, n, lv, gv; 24 PetscInt *gv_new, *owners, *verticesNewSorted, pStart, pEnd; 25 PetscInt numCellsNew, numVerticesNew, numCornersNew, numFacesNew, numVerticesNewLoc; 26 const PetscInt *gV, *ioffset, *irootloc, *roffset, *rmine, *rremote; 27 PetscBool flg = PETSC_FALSE, noInsert, noSwap, noMove, noSurf, isotropic, uniform; 28 const PetscMPIInt *iranks, *rranks; 29 PetscMPIInt numProcs, rank; 30 PMMG_pParMesh parmesh = NULL; 31 32 PetscFunctionBegin; 33 PetscCall(PetscObjectGetComm((PetscObject)dm, &comm)); 34 PetscCallMPI(MPI_Comm_size(comm, &numProcs)); 35 PetscCallMPI(MPI_Comm_rank(comm, &rank)); 36 if (bdLabel) { 37 PetscCall(PetscObjectGetName((PetscObject)bdLabel, &bdLabelName)); 38 PetscCall(PetscStrcmp(bdLabelName, bdName, &flg)); 39 PetscCheck(!flg, comm, PETSC_ERR_ARG_WRONG, "\"%s\" cannot be used as label for boundary facets", bdLabelName); 40 } 41 if (rgLabel) { 42 PetscCall(PetscObjectGetName((PetscObject)rgLabel, &rgLabelName)); 43 PetscCall(PetscStrcmp(rgLabelName, rgName, &flg)); 44 PetscCheck(!flg, comm, PETSC_ERR_ARG_WRONG, "\"%s\" cannot be used as label for element tags", rgLabelName); 45 } 46 47 /* Get mesh information */ 48 PetscCall(DMGetDimension(dm, &dim)); 49 PetscCheck(dim == 3, comm, PETSC_ERR_ARG_OUTOFRANGE, "ParMmg only works in 3D."); 50 Neq = (dim * (dim + 1)) / 2; 51 PetscCall(DMPlexGetHeightStratum(dm, 0, &cStart, &cEnd)); 52 PetscCall(DMPlexGetHeightStratum(dm, 1, &fStart, &fEnd)); 53 PetscCall(DMPlexGetDepthStratum(dm, 0, &vStart, &vEnd)); 54 PetscCall(DMPlexUninterpolate(dm, &udm)); 55 PetscCall(DMPlexGetMaxSizes(udm, &maxConeSize, NULL)); 56 numCells = cEnd - cStart; 57 numVertices = vEnd - vStart; 58 59 /* Get cell offsets */ 60 PetscCall(PetscMalloc1(numCells * maxConeSize, &cells)); 61 for (c = 0, coff = 0; c < numCells; ++c) { 62 const PetscInt *cone; 63 PetscInt coneSize, cl; 64 65 PetscCall(DMPlexGetConeSize(udm, c, &coneSize)); 66 PetscCall(DMPlexGetCone(udm, c, &cone)); 67 for (cl = 0; cl < coneSize; ++cl) cells[coff++] = cone[cl] - vStart + 1; 68 } 69 70 /* Get vertex coordinate array */ 71 PetscCall(DMGetCoordinateDM(dm, &cdm)); 72 PetscCall(DMGetLocalSection(cdm, &coordSection)); 73 PetscCall(DMGetCoordinatesLocal(dm, &coordinates)); 74 PetscCall(VecGetArrayRead(coordinates, &coords)); 75 PetscCall(PetscMalloc2(numVertices * Neq, &metric, dim * numVertices, &vertices)); 76 for (v = 0; v < vEnd - vStart; ++v) { 77 PetscCall(PetscSectionGetOffset(coordSection, v + vStart, &off)); 78 for (i = 0; i < dim; ++i) vertices[dim * v + i] = PetscRealPart(coords[off + i]); 79 } 80 PetscCall(VecRestoreArrayRead(coordinates, &coords)); 81 82 /* Get face tags */ 83 if (!bdLabel) { 84 flg = PETSC_TRUE; 85 PetscCall(DMLabelCreate(PETSC_COMM_SELF, bdName, &bdLabel)); 86 PetscCall(DMPlexMarkBoundaryFaces(dm, 1, bdLabel)); 87 } 88 PetscCall(DMLabelGetBounds(bdLabel, &pStart, &pEnd)); 89 for (f = pStart, bdSize = 0, numFaceTags = 0; f < pEnd; ++f) { 90 PetscBool hasPoint; 91 PetscInt *closure = NULL, closureSize, cl; 92 93 PetscCall(DMLabelHasPoint(bdLabel, f, &hasPoint)); 94 if ((!hasPoint) || (f < fStart) || (f >= fEnd)) continue; 95 numFaceTags++; 96 97 PetscCall(DMPlexGetTransitiveClosure(dm, f, PETSC_TRUE, &closureSize, &closure)); 98 for (cl = 0; cl < closureSize * 2; cl += 2) { 99 if ((closure[cl] >= vStart) && (closure[cl] < vEnd)) ++bdSize; 100 } 101 PetscCall(DMPlexRestoreTransitiveClosure(dm, f, PETSC_TRUE, &closureSize, &closure)); 102 } 103 PetscCall(PetscMalloc2(bdSize, &bdFaces, numFaceTags, &faceTags)); 104 for (f = pStart, bdSize = 0, numFaceTags = 0; f < pEnd; ++f) { 105 PetscBool hasPoint; 106 PetscInt *closure = NULL, closureSize, cl; 107 108 PetscCall(DMLabelHasPoint(bdLabel, f, &hasPoint)); 109 if ((!hasPoint) || (f < fStart) || (f >= fEnd)) continue; 110 111 PetscCall(DMPlexGetTransitiveClosure(dm, f, PETSC_TRUE, &closureSize, &closure)); 112 for (cl = 0; cl < closureSize * 2; cl += 2) { 113 if ((closure[cl] >= vStart) && (closure[cl] < vEnd)) bdFaces[bdSize++] = closure[cl] - vStart + 1; 114 } 115 PetscCall(DMPlexRestoreTransitiveClosure(dm, f, PETSC_TRUE, &closureSize, &closure)); 116 PetscCall(DMLabelGetValue(bdLabel, f, &faceTags[numFaceTags++])); 117 } 118 119 /* Get cell tags */ 120 PetscCall(PetscCalloc2(numVertices, &verTags, numCells, &cellTags)); 121 if (rgLabel) { 122 for (c = cStart; c < cEnd; ++c) PetscCall(DMLabelGetValue(rgLabel, c, &cellTags[c])); 123 } 124 125 /* Get metric */ 126 PetscCall(VecViewFromOptions(vertexMetric, NULL, "-adapt_metric_view")); 127 PetscCall(VecGetArrayRead(vertexMetric, &met)); 128 PetscCall(DMPlexMetricIsIsotropic(dm, &isotropic)); 129 PetscCall(DMPlexMetricIsUniform(dm, &uniform)); 130 for (v = 0; v < (vEnd - vStart); ++v) { 131 for (i = 0, k = 0; i < dim; ++i) { 132 for (j = i; j < dim; ++j, ++k) { 133 if (isotropic) { 134 if (i == j) { 135 if (uniform) metric[Neq * v + k] = PetscRealPart(met[0]); 136 else metric[Neq * v + k] = PetscRealPart(met[v]); 137 } else metric[Neq * v + k] = 0.0; 138 } else metric[Neq * v + k] = PetscRealPart(met[dim * dim * v + dim * i + j]); 139 } 140 } 141 } 142 PetscCall(VecRestoreArrayRead(vertexMetric, &met)); 143 144 /* Build ParMMG communicators: the list of vertices between two partitions */ 145 niranks = nrranks = 0; 146 numNgbRanks = 0; 147 if (numProcs > 1) { 148 PetscCall(DMGetPointSF(dm, &sf)); 149 PetscCall(PetscSFSetUp(sf)); 150 PetscCall(PetscSFGetLeafRanks(sf, &niranks, &iranks, &ioffset, &irootloc)); 151 PetscCall(PetscSFGetRootRanks(sf, &nrranks, &rranks, &roffset, &rmine, &rremote)); 152 PetscCall(PetscCalloc1(numProcs, &numVerInterfaces)); 153 154 /* Count number of roots associated with each leaf */ 155 for (r = 0; r < niranks; ++r) { 156 for (i = ioffset[r], count = 0; i < ioffset[r + 1]; ++i) { 157 if (irootloc[i] >= vStart && irootloc[i] < vEnd) count++; 158 } 159 numVerInterfaces[iranks[r]] += count; 160 } 161 162 /* Count number of leaves associated with each root */ 163 for (r = 0; r < nrranks; ++r) { 164 for (i = roffset[r], count = 0; i < roffset[r + 1]; ++i) { 165 if (rmine[i] >= vStart && rmine[i] < vEnd) count++; 166 } 167 numVerInterfaces[rranks[r]] += count; 168 } 169 170 /* Count global number of ranks */ 171 for (p = 0; p < numProcs; ++p) { 172 if (numVerInterfaces[p]) numNgbRanks++; 173 } 174 175 /* Provide numbers of vertex interfaces */ 176 PetscCall(PetscMalloc2(numNgbRanks, &ngbRanks, numNgbRanks, &verNgbRank)); 177 for (p = 0, n = 0; p < numProcs; ++p) { 178 if (numVerInterfaces[p]) { 179 ngbRanks[n] = p; 180 verNgbRank[n] = numVerInterfaces[p]; 181 n++; 182 } 183 } 184 numVerNgbRanksTotal = 0; 185 for (p = 0; p < numNgbRanks; ++p) numVerNgbRanksTotal += verNgbRank[p]; 186 187 /* For each neighbor, fill in interface arrays */ 188 PetscCall(PetscMalloc3(numVerNgbRanksTotal, &interfaces_lv, numVerNgbRanksTotal, &interfaces_gv, numNgbRanks + 1, &intOffset)); 189 intOffset[0] = 0; 190 for (p = 0, r = 0, i = 0; p < numNgbRanks; ++p) { 191 intOffset[p + 1] = intOffset[p]; 192 193 /* Leaf case */ 194 if (iranks && iranks[i] == ngbRanks[p]) { 195 /* Add the right slice of irootloc at the right place */ 196 sliceSize = ioffset[i + 1] - ioffset[i]; 197 for (j = 0, count = 0; j < sliceSize; ++j) { 198 PetscCheck(ioffset[i] + j < ioffset[niranks], comm, PETSC_ERR_ARG_OUTOFRANGE, "Leaf index %" PetscInt_FMT " out of range (expected < %" PetscInt_FMT ")", ioffset[i] + j, ioffset[niranks]); 199 v = irootloc[ioffset[i] + j]; 200 if (v >= vStart && v < vEnd) { 201 PetscCheck(intOffset[p + 1] + count < numVerNgbRanksTotal, comm, PETSC_ERR_ARG_OUTOFRANGE, "Leaf interface index %" PetscInt_FMT " out of range (expected < %" PetscInt_FMT ")", intOffset[p + 1] + count, numVerNgbRanksTotal); 202 interfaces_lv[intOffset[p + 1] + count] = v - vStart; 203 count++; 204 } 205 } 206 intOffset[p + 1] += count; 207 i++; 208 } 209 210 /* Root case */ 211 if (rranks && rranks[r] == ngbRanks[p]) { 212 /* Add the right slice of rmine at the right place */ 213 sliceSize = roffset[r + 1] - roffset[r]; 214 for (j = 0, count = 0; j < sliceSize; ++j) { 215 PetscCheck(roffset[r] + j < roffset[nrranks], comm, PETSC_ERR_ARG_OUTOFRANGE, "Root index %" PetscInt_FMT " out of range (expected < %" PetscInt_FMT ")", roffset[r] + j, roffset[nrranks]); 216 v = rmine[roffset[r] + j]; 217 if (v >= vStart && v < vEnd) { 218 PetscCheck(intOffset[p + 1] + count < numVerNgbRanksTotal, comm, PETSC_ERR_ARG_OUTOFRANGE, "Root interface index %" PetscInt_FMT " out of range (expected < %" PetscInt_FMT ")", intOffset[p + 1] + count, numVerNgbRanksTotal); 219 interfaces_lv[intOffset[p + 1] + count] = v - vStart; 220 count++; 221 } 222 } 223 intOffset[p + 1] += count; 224 r++; 225 } 226 227 /* Check validity of offsets */ 228 PetscCheck(intOffset[p + 1] == intOffset[p] + verNgbRank[p], comm, PETSC_ERR_ARG_OUTOFRANGE, "Missing offsets (expected %" PetscInt_FMT ", got %" PetscInt_FMT ")", intOffset[p] + verNgbRank[p], intOffset[p + 1]); 229 } 230 PetscCall(DMPlexGetVertexNumbering(udm, &globalVertexNum)); 231 PetscCall(ISGetIndices(globalVertexNum, &gV)); 232 for (i = 0; i < numVerNgbRanksTotal; ++i) { 233 v = gV[interfaces_lv[i]]; 234 interfaces_gv[i] = v < 0 ? -v - 1 : v; 235 interfaces_lv[i] += 1; 236 interfaces_gv[i] += 1; 237 } 238 PetscCall(ISRestoreIndices(globalVertexNum, &gV)); 239 PetscCall(PetscFree(numVerInterfaces)); 240 } 241 PetscCall(DMDestroy(&udm)); 242 243 /* Send the data to ParMmg and remesh */ 244 PetscCall(DMPlexMetricNoInsertion(dm, &noInsert)); 245 PetscCall(DMPlexMetricNoSwapping(dm, &noSwap)); 246 PetscCall(DMPlexMetricNoMovement(dm, &noMove)); 247 PetscCall(DMPlexMetricNoSurf(dm, &noSurf)); 248 PetscCall(DMPlexMetricGetVerbosity(dm, &verbosity)); 249 PetscCall(DMPlexMetricGetNumIterations(dm, &numIter)); 250 PetscCall(DMPlexMetricGetGradationFactor(dm, &gradationFactor)); 251 PetscCall(DMPlexMetricGetHausdorffNumber(dm, &hausdorffNumber)); 252 PetscCallMMG_NONSTANDARD(PMMG_Init_parMesh(PMMG_ARG_start, PMMG_ARG_ppParMesh, &parmesh, PMMG_ARG_pMesh, PMMG_ARG_pMet, PMMG_ARG_dim, 3, PMMG_ARG_MPIComm, comm, PMMG_ARG_end)); 253 PetscCallMMG_NONSTANDARD(PMMG_Set_meshSize(parmesh, numVertices, numCells, 0, numFaceTags, 0, 0)); 254 PetscCallMMG_NONSTANDARD(PMMG_Set_iparameter(parmesh, PMMG_IPARAM_APImode, PMMG_APIDISTRIB_nodes)); 255 PetscCallMMG_NONSTANDARD(PMMG_Set_iparameter(parmesh, PMMG_IPARAM_noinsert, noInsert)); 256 PetscCallMMG_NONSTANDARD(PMMG_Set_iparameter(parmesh, PMMG_IPARAM_noswap, noSwap)); 257 PetscCallMMG_NONSTANDARD(PMMG_Set_iparameter(parmesh, PMMG_IPARAM_nomove, noMove)); 258 PetscCallMMG_NONSTANDARD(PMMG_Set_iparameter(parmesh, PMMG_IPARAM_nosurf, noSurf)); 259 PetscCallMMG_NONSTANDARD(PMMG_Set_iparameter(parmesh, PMMG_IPARAM_verbose, verbosity)); 260 PetscCallMMG_NONSTANDARD(PMMG_Set_iparameter(parmesh, PMMG_IPARAM_globalNum, 1)); 261 PetscCallMMG_NONSTANDARD(PMMG_Set_iparameter(parmesh, PMMG_IPARAM_niter, numIter)); 262 PetscCallMMG_NONSTANDARD(PMMG_Set_dparameter(parmesh, PMMG_DPARAM_hgrad, gradationFactor)); 263 PetscCallMMG_NONSTANDARD(PMMG_Set_dparameter(parmesh, PMMG_DPARAM_hausd, hausdorffNumber)); 264 PetscCallMMG_NONSTANDARD(PMMG_Set_vertices(parmesh, vertices, verTags)); 265 PetscCallMMG_NONSTANDARD(PMMG_Set_tetrahedra(parmesh, cells, cellTags)); 266 PetscCallMMG_NONSTANDARD(PMMG_Set_triangles(parmesh, bdFaces, faceTags)); 267 PetscCallMMG_NONSTANDARD(PMMG_Set_metSize(parmesh, MMG5_Vertex, numVertices, MMG5_Tensor)); 268 PetscCallMMG_NONSTANDARD(PMMG_Set_tensorMets(parmesh, metric)); 269 PetscCallMMG_NONSTANDARD(PMMG_Set_numberOfNodeCommunicators(parmesh, numNgbRanks)); 270 for (c = 0; c < numNgbRanks; ++c) { 271 PetscCallMMG_NONSTANDARD(PMMG_Set_ithNodeCommunicatorSize(parmesh, c, ngbRanks[c], intOffset[c + 1] - intOffset[c])); 272 PetscCallMMG_NONSTANDARD(PMMG_Set_ithNodeCommunicator_nodes(parmesh, c, &interfaces_lv[intOffset[c]], &interfaces_gv[intOffset[c]], 1)); 273 } 274 PetscCallMMG(PMMG_parmmglib_distributed(parmesh)); 275 PetscCall(PetscFree(cells)); 276 PetscCall(PetscFree2(metric, vertices)); 277 PetscCall(PetscFree2(bdFaces, faceTags)); 278 PetscCall(PetscFree2(verTags, cellTags)); 279 if (numProcs > 1) { 280 PetscCall(PetscFree2(ngbRanks, verNgbRank)); 281 PetscCall(PetscFree3(interfaces_lv, interfaces_gv, intOffset)); 282 } 283 284 /* Retrieve mesh from Mmg */ 285 numCornersNew = 4; 286 PetscCallMMG_NONSTANDARD(PMMG_Get_meshSize(parmesh, &numVerticesNew, &numCellsNew, 0, &numFacesNew, 0, 0)); 287 PetscCall(PetscMalloc4(dim * numVerticesNew, &verticesNew, numVerticesNew, &verTagsNew, numVerticesNew, &corners, numVerticesNew, &requiredVer)); 288 PetscCall(PetscMalloc3((dim + 1) * numCellsNew, &cellsNew, numCellsNew, &cellTagsNew, numCellsNew, &requiredCells)); 289 PetscCall(PetscMalloc4(dim * numFacesNew, &facesNew, numFacesNew, &faceTagsNew, numFacesNew, &ridges, numFacesNew, &requiredFaces)); 290 PetscCallMMG_NONSTANDARD(PMMG_Get_vertices(parmesh, verticesNew, verTagsNew, corners, requiredVer)); 291 PetscCallMMG_NONSTANDARD(PMMG_Get_tetrahedra(parmesh, cellsNew, cellTagsNew, requiredCells)); 292 PetscCallMMG_NONSTANDARD(PMMG_Get_triangles(parmesh, facesNew, faceTagsNew, requiredFaces)); 293 PetscCall(PetscMalloc2(numVerticesNew, &owners, numVerticesNew, &gv_new)); 294 PetscCallMMG_NONSTANDARD(PMMG_Set_iparameter(parmesh, PMMG_IPARAM_globalNum, 1)); 295 PetscCallMMG_NONSTANDARD(PMMG_Get_verticesGloNum(parmesh, gv_new, owners)); 296 for (i = 0; i < dim * numFacesNew; ++i) facesNew[i] -= 1; 297 for (i = 0; i < (dim + 1) * numCellsNew; ++i) cellsNew[i] = gv_new[cellsNew[i] - 1] - 1; 298 for (i = 0, numVerticesNewLoc = 0; i < numVerticesNew; ++i) { 299 if (owners[i] == rank) numVerticesNewLoc++; 300 } 301 PetscCall(PetscMalloc2(numVerticesNewLoc * dim, &verticesNewLoc, numVerticesNew, &verticesNewSorted)); 302 for (i = 0, c = 0; i < numVerticesNew; i++) { 303 if (owners[i] == rank) { 304 for (j = 0; j < dim; ++j) verticesNewLoc[dim * c + j] = verticesNew[dim * i + j]; 305 c++; 306 } 307 } 308 309 /* Reorder for consistency with DMPlex */ 310 for (i = 0; i < numCellsNew; ++i) PetscCall(DMPlexInvertCell(DM_POLYTOPE_TETRAHEDRON, &cellsNew[4 * i])); 311 312 /* Create new plex */ 313 PetscCall(DMPlexCreateFromCellListParallelPetsc(comm, dim, numCellsNew, numVerticesNewLoc, PETSC_DECIDE, numCornersNew, PETSC_TRUE, cellsNew, dim, verticesNewLoc, NULL, &verticesNewSorted, dmNew)); 314 PetscCallMMG_NONSTANDARD(PMMG_Free_all(PMMG_ARG_start, PMMG_ARG_ppParMesh, &parmesh, PMMG_ARG_end)); 315 PetscCall(PetscFree4(verticesNew, verTagsNew, corners, requiredVer)); 316 317 /* Get adapted mesh information */ 318 PetscCall(DMPlexGetHeightStratum(*dmNew, 0, &cStart, &cEnd)); 319 PetscCall(DMPlexGetHeightStratum(*dmNew, 1, &fStart, &fEnd)); 320 PetscCall(DMPlexGetDepthStratum(*dmNew, 0, &vStart, &vEnd)); 321 322 /* Rebuild boundary label */ 323 PetscCall(DMCreateLabel(*dmNew, flg ? bdName : bdLabelName)); 324 PetscCall(DMGetLabel(*dmNew, flg ? bdName : bdLabelName, &bdLabelNew)); 325 for (i = 0; i < numFacesNew; i++) { 326 PetscBool hasTag = PETSC_FALSE; 327 PetscInt numCoveredPoints, numFaces = 0, facePoints[3]; 328 const PetscInt *coveredPoints = NULL; 329 330 for (j = 0; j < dim; ++j) { 331 lv = facesNew[i * dim + j]; 332 gv = gv_new[lv] - 1; 333 PetscCall(PetscFindInt(gv, numVerticesNew, verticesNewSorted, &lv)); 334 facePoints[j] = lv + vStart; 335 } 336 PetscCall(DMPlexGetFullJoin(*dmNew, dim, facePoints, &numCoveredPoints, &coveredPoints)); 337 for (j = 0; j < numCoveredPoints; ++j) { 338 if (coveredPoints[j] >= fStart && coveredPoints[j] < fEnd) { 339 numFaces++; 340 f = j; 341 } 342 } 343 PetscCheck(numFaces == 1, comm, PETSC_ERR_ARG_OUTOFRANGE, "%" PetscInt_FMT " vertices cannot define more than 1 facet (%" PetscInt_FMT ")", dim, numFaces); 344 PetscCall(DMLabelHasStratum(bdLabel, faceTagsNew[i], &hasTag)); 345 if (hasTag) PetscCall(DMLabelSetValue(bdLabelNew, coveredPoints[f], faceTagsNew[i])); 346 PetscCall(DMPlexRestoreJoin(*dmNew, dim, facePoints, &numCoveredPoints, &coveredPoints)); 347 } 348 PetscCall(PetscFree4(facesNew, faceTagsNew, ridges, requiredFaces)); 349 PetscCall(PetscFree2(owners, gv_new)); 350 PetscCall(PetscFree2(verticesNewLoc, verticesNewSorted)); 351 if (flg) PetscCall(DMLabelDestroy(&bdLabel)); 352 353 /* Rebuild cell labels */ 354 PetscCall(DMCreateLabel(*dmNew, rgLabel ? rgLabelName : rgName)); 355 PetscCall(DMGetLabel(*dmNew, rgLabel ? rgLabelName : rgName, &rgLabelNew)); 356 for (c = cStart; c < cEnd; ++c) PetscCall(DMLabelSetValue(rgLabelNew, c, cellTagsNew[c - cStart])); 357 PetscCall(PetscFree3(cellsNew, cellTagsNew, requiredCells)); 358 359 PetscFunctionReturn(0); 360 } 361