1 #include <petsc/private/dmfieldimpl.h> /*I "petscdmfield.h" I*/ 2 #include <petsc/private/petscfeimpl.h> /*I "petscdmfield.h" I*/ 3 #include <petscfe.h> 4 #include <petscdmplex.h> 5 #include <petscds.h> 6 7 typedef struct _n_DMField_DS 8 { 9 PetscInt fieldNum; 10 Vec vec; 11 PetscInt height; 12 PetscObject *disc; 13 PetscBool multifieldVec; 14 } 15 DMField_DS; 16 17 static PetscErrorCode DMFieldDestroy_DS(DMField field) 18 { 19 DMField_DS *dsfield; 20 PetscInt i; 21 PetscErrorCode ierr; 22 23 PetscFunctionBegin; 24 dsfield = (DMField_DS *) field->data; 25 ierr = VecDestroy(&dsfield->vec);CHKERRQ(ierr); 26 for (i = 0; i < dsfield->height; i++) { 27 ierr = PetscObjectDereference(dsfield->disc[i]);CHKERRQ(ierr); 28 } 29 ierr = PetscFree(dsfield->disc);CHKERRQ(ierr); 30 ierr = PetscFree(dsfield);CHKERRQ(ierr); 31 PetscFunctionReturn(0); 32 } 33 34 static PetscErrorCode DMFieldView_DS(DMField field,PetscViewer viewer) 35 { 36 DMField_DS *dsfield = (DMField_DS *) field->data; 37 PetscBool iascii; 38 PetscObject disc; 39 PetscErrorCode ierr; 40 41 PetscFunctionBegin; 42 ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&iascii);CHKERRQ(ierr); 43 disc = dsfield->disc[0]; 44 if (iascii) { 45 PetscViewerASCIIPrintf(viewer, "PetscDS field %D\n",dsfield->fieldNum);CHKERRQ(ierr); 46 ierr = PetscViewerASCIIPushTab(viewer);CHKERRQ(ierr); 47 ierr = PetscObjectView(disc,viewer);CHKERRQ(ierr); 48 ierr = PetscViewerASCIIPopTab(viewer);CHKERRQ(ierr); 49 } 50 ierr = PetscViewerASCIIPushTab(viewer);CHKERRQ(ierr); 51 if (dsfield->multifieldVec) { 52 SETERRQ(PetscObjectComm((PetscObject)field),PETSC_ERR_SUP,"View of subfield not implemented yet"); 53 } else { 54 ierr = VecView(dsfield->vec,viewer);CHKERRQ(ierr); 55 } 56 ierr = PetscViewerASCIIPopTab(viewer);CHKERRQ(ierr); 57 PetscFunctionReturn(0); 58 } 59 60 static PetscErrorCode DMFieldDSGetHeightDisc(DMField field, PetscInt height, PetscObject *disc) 61 { 62 DMField_DS *dsfield = (DMField_DS *) field->data; 63 PetscErrorCode ierr; 64 65 PetscFunctionBegin; 66 if (!dsfield->disc[height]) { 67 PetscClassId id; 68 69 ierr = PetscObjectGetClassId(dsfield->disc[0],&id);CHKERRQ(ierr); 70 if (id == PETSCFE_CLASSID) { 71 PetscFE fe = (PetscFE) dsfield->disc[0]; 72 73 ierr = PetscFECreateHeightTrace(fe,height,(PetscFE *)&dsfield->disc[height]);CHKERRQ(ierr); 74 } 75 } 76 *disc = dsfield->disc[height]; 77 PetscFunctionReturn(0); 78 } 79 80 #define DMFieldDSdot(y,A,b,m,n,c,cast) \ 81 do { \ 82 PetscInt _i, _j, _k; \ 83 for (_i = 0; _i < (m); _i++) { \ 84 for (_k = 0; _k < (c); _k++) { \ 85 (y)[_i * (c) + _k] = 0.; \ 86 } \ 87 for (_j = 0; _j < (n); _j++) { \ 88 for (_k = 0; _k < (c); _k++) { \ 89 (y)[_i * (c) + _k] += (A)[(_i * (n) + _j) * (c) + _k] * cast((b)[_j]); \ 90 } \ 91 } \ 92 } \ 93 } while (0) 94 95 static PetscErrorCode DMFieldEvaluateFE_DS(DMField field, IS pointIS, PetscQuadrature quad, PetscDataType type, void *B, void *D, void *H) 96 { 97 DMField_DS *dsfield = (DMField_DS *) field->data; 98 DM dm; 99 PetscObject disc; 100 PetscClassId classid; 101 PetscInt nq, nc, dim, meshDim, numCells; 102 PetscSection section; 103 const PetscReal *qpoints; 104 PetscBool isStride; 105 const PetscInt *points = NULL; 106 PetscInt sfirst = -1, stride = -1; 107 PetscErrorCode ierr; 108 109 PetscFunctionBeginHot; 110 dm = field->dm; 111 nc = field->numComponents; 112 ierr = PetscQuadratureGetData(quad,&dim,NULL,&nq,&qpoints,NULL);CHKERRQ(ierr); 113 ierr = DMFieldDSGetHeightDisc(field,dsfield->height - 1 - dim,&disc);CHKERRQ(ierr); 114 ierr = DMGetDimension(dm,&meshDim);CHKERRQ(ierr); 115 ierr = DMGetDefaultSection(dm,§ion);CHKERRQ(ierr); 116 ierr = PetscSectionGetField(section,dsfield->fieldNum,§ion);CHKERRQ(ierr); 117 ierr = PetscObjectGetClassId(disc,&classid);CHKERRQ(ierr); 118 /* TODO: batch */ 119 ierr = PetscObjectTypeCompare((PetscObject)pointIS,ISSTRIDE,&isStride);CHKERRQ(ierr); 120 ierr = ISGetLocalSize(pointIS,&numCells);CHKERRQ(ierr); 121 if (isStride) { 122 ierr = ISStrideGetInfo(pointIS,&sfirst,&stride);CHKERRQ(ierr); 123 } else { 124 ierr = ISGetIndices(pointIS,&points);CHKERRQ(ierr); 125 } 126 if (classid == PETSCFE_CLASSID) { 127 PetscFE fe = (PetscFE) disc; 128 PetscInt feDim, i; 129 PetscReal *fB = NULL, *fD = NULL, *fH = NULL; 130 131 ierr = PetscFEGetDimension(fe,&feDim);CHKERRQ(ierr); 132 ierr = PetscFEGetTabulation(fe,nq,qpoints,B ? &fB : NULL,D ? &fD : NULL,H ? &fH : NULL);CHKERRQ(ierr); 133 for (i = 0; i < numCells; i++) { 134 PetscInt c = isStride ? (sfirst + i * stride) : points[i]; 135 PetscInt closureSize; 136 PetscScalar *elem = NULL; 137 138 ierr = DMPlexVecGetClosure(dm,section,dsfield->vec,c,&closureSize,&elem);CHKERRQ(ierr); 139 if (B) { 140 if (type == PETSC_SCALAR) { 141 PetscScalar *cB = &((PetscScalar *) B)[nc * nq * i]; 142 143 DMFieldDSdot(cB,fB,elem,nq,feDim,nc,(PetscScalar)); 144 } else { 145 PetscReal *cB = &((PetscReal *) B)[nc * nq * i]; 146 147 DMFieldDSdot(cB,fB,elem,nq,feDim,nc,PetscRealPart); 148 } 149 } 150 if (D) { 151 if (type == PETSC_SCALAR) { 152 PetscScalar *cD = &((PetscScalar *) D)[nc * nq * dim * i]; 153 154 DMFieldDSdot(cD,fD,elem,nq,feDim,(nc * dim),(PetscScalar)); 155 } else { 156 PetscReal *cD = &((PetscReal *) D)[nc * nq * dim * i]; 157 158 DMFieldDSdot(cD,fD,elem,nq,feDim,(nc * dim),PetscRealPart); 159 } 160 } 161 if (H) { 162 if (type == PETSC_SCALAR) { 163 PetscScalar *cH = &((PetscScalar *) H)[nc * nq * dim * dim * i]; 164 165 DMFieldDSdot(cH,fH,elem,nq,feDim,(nc * dim * dim),(PetscScalar)); 166 } else { 167 PetscReal *cH = &((PetscReal *) H)[nc * nq * dim * dim * i]; 168 169 DMFieldDSdot(cH,fH,elem,nq,feDim,(nc * dim * dim),PetscRealPart); 170 } 171 } 172 ierr = DMPlexVecRestoreClosure(dm,section,dsfield->vec,c,&closureSize,&elem);CHKERRQ(ierr); 173 } 174 ierr = PetscFERestoreTabulation(fe,nq,qpoints,B ? &fB : NULL,D ? &fD : NULL,H ? &fH : NULL);CHKERRQ(ierr); 175 } else {SETERRQ(PetscObjectComm((PetscObject)field),PETSC_ERR_SUP,"Not implemented");} 176 if (!isStride) { 177 ierr = ISRestoreIndices(pointIS,&points);CHKERRQ(ierr); 178 } 179 PetscFunctionReturn(0); 180 } 181 182 static PetscErrorCode DMFieldEvaluate_DS(DMField field, Vec points, PetscDataType datatype, void *B, void *D, void *H) 183 { 184 DMField_DS *dsfield = (DMField_DS *) field->data; 185 PetscSF cellSF = NULL; 186 const PetscSFNode *cells; 187 PetscInt c, nFound, numCells, feDim, nc; 188 const PetscInt *cellDegrees; 189 const PetscScalar *pointsArray; 190 PetscScalar *cellPoints; 191 PetscInt gatherSize, gatherMax; 192 PetscInt dim, dimR, offset; 193 MPI_Datatype pointType; 194 PetscObject cellDisc; 195 PetscFE cellFE; 196 PetscClassId discID; 197 PetscReal *coordsReal, *coordsRef; 198 PetscSection section; 199 PetscScalar *cellBs = NULL, *cellDs = NULL, *cellHs = NULL; 200 PetscReal *cellBr = NULL, *cellDr = NULL, *cellHr = NULL; 201 PetscReal *v, *J, *invJ, *detJ; 202 PetscErrorCode ierr; 203 204 PetscFunctionBegin; 205 nc = field->numComponents; 206 ierr = DMGetDefaultSection(field->dm,§ion);CHKERRQ(ierr); 207 ierr = DMFieldDSGetHeightDisc(field,0,&cellDisc);CHKERRQ(ierr); 208 ierr = PetscObjectGetClassId(cellDisc, &discID);CHKERRQ(ierr); 209 if (discID != PETSCFE_CLASSID) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB, "Discretization type not supported\n"); 210 cellFE = (PetscFE) cellDisc; 211 ierr = PetscFEGetDimension(cellFE,&feDim);CHKERRQ(ierr); 212 ierr = DMGetCoordinateDim(field->dm, &dim);CHKERRQ(ierr); 213 ierr = DMGetDimension(field->dm, &dimR);CHKERRQ(ierr); 214 ierr = DMLocatePoints(field->dm, points, DM_POINTLOCATION_NONE, &cellSF);CHKERRQ(ierr); 215 ierr = PetscSFGetGraph(cellSF, &numCells, &nFound, NULL, &cells);CHKERRQ(ierr); 216 for (c = 0; c < nFound; c++) { 217 if (cells[c].index < 0) SETERRQ1(PetscObjectComm((PetscObject)points),PETSC_ERR_ARG_WRONG, "Point %D could not be located\n", c); 218 } 219 ierr = PetscSFComputeDegreeBegin(cellSF,&cellDegrees);CHKERRQ(ierr); 220 ierr = PetscSFComputeDegreeEnd(cellSF,&cellDegrees);CHKERRQ(ierr); 221 for (c = 0, gatherSize = 0, gatherMax = 0; c < numCells; c++) { 222 gatherMax = PetscMax(gatherMax,cellDegrees[c]); 223 gatherSize += cellDegrees[c]; 224 } 225 ierr = PetscMalloc3(gatherSize*dim,&cellPoints,gatherMax*dim,&coordsReal,gatherMax*dimR,&coordsRef);CHKERRQ(ierr); 226 ierr = PetscMalloc4(gatherMax*dimR,&v,gatherMax*dimR*dimR,&J,gatherMax*dimR*dimR,&invJ,gatherMax,&detJ);CHKERRQ(ierr); 227 if (datatype == PETSC_SCALAR) { 228 ierr = PetscMalloc3(B ? nc * gatherSize : 0, &cellBs, D ? nc * dim * gatherSize : 0, &cellDs, H ? nc * dim * dim * gatherSize : 0, &cellHs);CHKERRQ(ierr); 229 } else { 230 ierr = PetscMalloc3(B ? nc * gatherSize : 0, &cellBr, D ? nc * dim * gatherSize : 0, &cellDr, H ? nc * dim * dim * gatherSize : 0, &cellHr);CHKERRQ(ierr); 231 } 232 233 ierr = MPI_Type_contiguous(dim,MPIU_SCALAR,&pointType);CHKERRQ(ierr); 234 ierr = MPI_Type_commit(&pointType);CHKERRQ(ierr); 235 ierr = VecGetArrayRead(points,&pointsArray);CHKERRQ(ierr); 236 ierr = PetscSFGatherBegin(cellSF, pointType, pointsArray, cellPoints);CHKERRQ(ierr); 237 ierr = PetscSFGatherEnd(cellSF, pointType, pointsArray, cellPoints);CHKERRQ(ierr); 238 ierr = VecRestoreArrayRead(points,&pointsArray);CHKERRQ(ierr); 239 for (c = 0, offset = 0; c < numCells; c++) { 240 PetscInt nq = cellDegrees[c], p; 241 242 if (nq) { 243 PetscReal *fB, *fD, *fH; 244 PetscInt closureSize; 245 PetscScalar *elem = NULL; 246 PetscReal *quadPoints; 247 PetscQuadrature quad; 248 PetscInt d, e, f, g; 249 250 for (p = 0; p < dim * nq; p++) coordsReal[p] = PetscRealPart(cellPoints[dim * offset + p]); 251 ierr = DMPlexCoordinatesToReference(field->dm, c, nq, coordsReal, coordsRef);CHKERRQ(ierr); 252 ierr = PetscFEGetTabulation(cellFE,nq,coordsRef,B ? &fB : NULL,D ? &fD : NULL,H ? &fH : NULL);CHKERRQ(ierr); 253 ierr = PetscQuadratureCreate(PETSC_COMM_SELF, &quad);CHKERRQ(ierr); 254 ierr = PetscMalloc1(dimR * nq, &quadPoints);CHKERRQ(ierr); 255 for (p = 0; p < dimR * nq; p++) quadPoints[p] = coordsRef[p]; 256 ierr = PetscQuadratureSetData(quad, dimR, 0, nq, quadPoints, NULL);CHKERRQ(ierr); 257 ierr = DMPlexComputeCellGeometryFEM(field->dm, c, quad, v, J, invJ, detJ);CHKERRQ(ierr); 258 ierr = PetscQuadratureDestroy(&quad);CHKERRQ(ierr); 259 ierr = DMPlexVecGetClosure(field->dm,section,dsfield->vec,c,&closureSize,&elem);CHKERRQ(ierr); 260 if (B) { 261 if (datatype == PETSC_SCALAR) { 262 PetscScalar *cB = &cellBs[nc * offset]; 263 264 DMFieldDSdot(cB,fB,elem,nq,feDim,nc,(PetscScalar)); 265 } else { 266 PetscReal *cB = &cellBr[nc * offset]; 267 268 DMFieldDSdot(cB,fB,elem,nq,feDim,nc,PetscRealPart); 269 } 270 } 271 if (D) { 272 if (datatype == PETSC_SCALAR) { 273 PetscScalar *cD = &cellDs[nc * dim * offset]; 274 275 DMFieldDSdot(cD,fD,elem,nq,feDim,(nc * dim),(PetscScalar)); 276 for (p = 0; p < nq; p++) { 277 for (g = 0; g < nc; g++) { 278 PetscScalar vs[3]; 279 280 for (d = 0; d < dimR; d++) { 281 vs[d] = 0.; 282 for (e = 0; e < dimR; e++) { 283 vs[d] += invJ[dimR * dimR * p + e * dimR + d] * cD[(nc * p + g) * dimR + e]; 284 } 285 } 286 for (d = 0; d < dimR; d++) { 287 cD[(nc * p + g) * dimR + d] = vs[d]; 288 } 289 } 290 } 291 } else { 292 PetscReal *cD = &cellDr[nc * dim * offset]; 293 294 DMFieldDSdot(cD,fD,elem,nq,feDim,(nc * dim),PetscRealPart); 295 for (p = 0; p < nq; p++) { 296 for (g = 0; g < nc; g++) { 297 for (d = 0; d < dimR; d++) { 298 v[d] = 0.; 299 for (e = 0; e < dimR; e++) { 300 v[d] += invJ[dimR * dimR * p + e * dimR + d] * cD[(nc * p + g) * dimR + e]; 301 } 302 } 303 for (d = 0; d < dimR; d++) { 304 cD[(nc * p + g) * dimR + d] = v[d]; 305 } 306 } 307 } 308 } 309 } 310 if (H) { 311 if (datatype == PETSC_SCALAR) { 312 PetscScalar *cH = &cellHs[nc * dim * dim * offset]; 313 314 DMFieldDSdot(cH,fH,elem,nq,feDim,(nc * dim * dim),(PetscScalar)); 315 for (p = 0; p < nq; p++) { 316 for (g = 0; g < nc * dimR; g++) { 317 PetscScalar vs[3]; 318 319 for (d = 0; d < dimR; d++) { 320 vs[d] = 0.; 321 for (e = 0; e < dimR; e++) { 322 vs[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[(nc * dimR * p + g) * dimR + e]; 323 } 324 } 325 for (d = 0; d < dimR; d++) { 326 cH[(nc * dimR * p + g) * dimR + d] = vs[d]; 327 } 328 } 329 for (g = 0; g < nc; g++) { 330 for (f = 0; f < dimR; f++) { 331 PetscScalar vs[3]; 332 333 for (d = 0; d < dimR; d++) { 334 vs[d] = 0.; 335 for (e = 0; e < dimR; e++) { 336 vs[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[((nc * p + g) * dimR + e) * dimR + f]; 337 } 338 } 339 for (d = 0; d < dimR; d++) { 340 cH[((nc * p + g) * dimR + d) * dimR + f] = vs[d]; 341 } 342 } 343 } 344 } 345 } else { 346 PetscReal *cH = &cellHr[nc * dim * dim * offset]; 347 348 DMFieldDSdot(cH,fH,elem,nq,feDim,(nc * dim * dim),PetscRealPart); 349 for (p = 0; p < nq; p++) { 350 for (g = 0; g < nc * dimR; g++) { 351 for (d = 0; d < dimR; d++) { 352 v[d] = 0.; 353 for (e = 0; e < dimR; e++) { 354 v[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[(nc * dimR * p + g) * dimR + e]; 355 } 356 } 357 for (d = 0; d < dimR; d++) { 358 cH[(nc * dimR * p + g) * dimR + d] = v[d]; 359 } 360 } 361 for (g = 0; g < nc; g++) { 362 for (f = 0; f < dimR; f++) { 363 for (d = 0; d < dimR; d++) { 364 v[d] = 0.; 365 for (e = 0; e < dimR; e++) { 366 v[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[((nc * p + g) * dimR + e) * dimR + f]; 367 } 368 } 369 for (d = 0; d < dimR; d++) { 370 cH[((nc * p + g) * dimR + d) * dimR + f] = v[d]; 371 } 372 } 373 } 374 } 375 } 376 } 377 ierr = DMPlexVecRestoreClosure(field->dm,section,dsfield->vec,c,&closureSize,&elem);CHKERRQ(ierr); 378 ierr = PetscFERestoreTabulation(cellFE,nq,coordsRef,B ? &fB : NULL,D ? &fD : NULL,H ? &fH : NULL);CHKERRQ(ierr); 379 } 380 offset += nq; 381 } 382 { 383 MPI_Datatype origtype; 384 385 if (datatype == PETSC_SCALAR) { 386 origtype = MPIU_SCALAR; 387 } else { 388 origtype = MPIU_REAL; 389 } 390 if (B) { 391 MPI_Datatype Btype; 392 393 ierr = MPI_Type_contiguous(nc, origtype, &Btype);CHKERRQ(ierr); 394 ierr = MPI_Type_commit(&Btype);CHKERRQ(ierr); 395 ierr = PetscSFScatterBegin(cellSF,Btype,(datatype == PETSC_SCALAR) ? (void *) cellBs : (void *) cellBr, B);CHKERRQ(ierr); 396 ierr = PetscSFScatterEnd(cellSF,Btype,(datatype == PETSC_SCALAR) ? (void *) cellBs : (void *) cellBr, B);CHKERRQ(ierr); 397 ierr = MPI_Type_free(&Btype);CHKERRQ(ierr); 398 } 399 if (D) { 400 MPI_Datatype Dtype; 401 402 ierr = MPI_Type_contiguous(nc * dim, origtype, &Dtype);CHKERRQ(ierr); 403 ierr = MPI_Type_commit(&Dtype);CHKERRQ(ierr); 404 ierr = PetscSFScatterBegin(cellSF,Dtype,(datatype == PETSC_SCALAR) ? (void *) cellDs : (void *) cellDr, D);CHKERRQ(ierr); 405 ierr = PetscSFScatterEnd(cellSF,Dtype,(datatype == PETSC_SCALAR) ? (void *) cellDs : (void *) cellDr, D);CHKERRQ(ierr); 406 ierr = MPI_Type_free(&Dtype);CHKERRQ(ierr); 407 } 408 if (H) { 409 MPI_Datatype Htype; 410 411 ierr = MPI_Type_contiguous(nc * dim * dim, origtype, &Htype);CHKERRQ(ierr); 412 ierr = MPI_Type_commit(&Htype);CHKERRQ(ierr); 413 ierr = PetscSFScatterBegin(cellSF,Htype,(datatype == PETSC_SCALAR) ? (void *) cellHs : (void *) cellHr, H);CHKERRQ(ierr); 414 ierr = PetscSFScatterEnd(cellSF,Htype,(datatype == PETSC_SCALAR) ? (void *) cellHs : (void *) cellHr, H);CHKERRQ(ierr); 415 ierr = MPI_Type_free(&Htype);CHKERRQ(ierr); 416 } 417 } 418 ierr = PetscFree4(v,J,invJ,detJ);CHKERRQ(ierr); 419 ierr = PetscFree3(cellBr, cellDr, cellHr);CHKERRQ(ierr); 420 ierr = PetscFree3(cellBs, cellDs, cellHs);CHKERRQ(ierr); 421 ierr = PetscFree3(cellPoints,coordsReal,coordsRef);CHKERRQ(ierr); 422 ierr = MPI_Type_free(&pointType);CHKERRQ(ierr); 423 ierr = PetscSFDestroy(&cellSF);CHKERRQ(ierr); 424 PetscFunctionReturn(0); 425 } 426 427 static PetscErrorCode DMFieldEvaluateFV_DS(DMField field, IS pointIS, PetscDataType type, void *B, void *D, void *H) 428 { 429 DMField_DS *dsfield = (DMField_DS *) field->data; 430 PetscInt h, imin; 431 PetscInt dim; 432 PetscClassId id; 433 PetscQuadrature quad = NULL; 434 PetscInt maxDegree; 435 PetscFEGeom *geom; 436 PetscInt Nq, Nc, dimC, qNc, N; 437 PetscInt numPoints; 438 void *qB = NULL, *qD = NULL, *qH = NULL; 439 const PetscReal *weights; 440 MPI_Datatype mpitype = type == PETSC_SCALAR ? MPIU_SCALAR : MPIU_REAL; 441 PetscObject disc; 442 DMField coordField; 443 PetscErrorCode ierr; 444 445 PetscFunctionBegin; 446 Nc = field->numComponents; 447 ierr = DMGetCoordinateDim(field->dm, &dimC);CHKERRQ(ierr); 448 ierr = DMGetDimension(field->dm, &dim);CHKERRQ(ierr); 449 ierr = ISGetLocalSize(pointIS, &numPoints);CHKERRQ(ierr); 450 ierr = ISGetMinMax(pointIS,&imin,NULL);CHKERRQ(ierr); 451 for (h = 0; h < dsfield->height; h++) { 452 PetscInt hEnd; 453 454 ierr = DMPlexGetHeightStratum(field->dm,h,NULL,&hEnd);CHKERRQ(ierr); 455 if (imin < hEnd) break; 456 } 457 dim -= h; 458 ierr = DMFieldDSGetHeightDisc(field,h,&disc);CHKERRQ(ierr); 459 ierr = PetscObjectGetClassId(disc,&id);CHKERRQ(ierr); 460 if (id != PETSCFE_CLASSID) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Discretization not supported\n"); 461 ierr = DMGetCoordinateField(field->dm, &coordField);CHKERRQ(ierr); 462 ierr = DMFieldGetDegree(coordField, pointIS, NULL, &maxDegree);CHKERRQ(ierr); 463 if (maxDegree <= 1) { 464 ierr = DMFieldCreateDefaultQuadrature(coordField, pointIS, &quad);CHKERRQ(ierr); 465 } 466 if (!quad) {ierr = DMFieldCreateDefaultQuadrature(field, pointIS, &quad);CHKERRQ(ierr);} 467 if (!quad) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Could not determine quadrature for cell averages\n"); 468 ierr = DMFieldCreateFEGeom(coordField,pointIS,quad,PETSC_FALSE,&geom);CHKERRQ(ierr); 469 ierr = PetscQuadratureGetData(quad, NULL, &qNc, &Nq, NULL, &weights);CHKERRQ(ierr); 470 if (qNc != 1) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Expected scalar quadrature components\n"); 471 N = numPoints * Nq * Nc; 472 if (B) ierr = DMGetWorkArray(field->dm, N, mpitype, &qB);CHKERRQ(ierr); 473 if (D) ierr = DMGetWorkArray(field->dm, N * dimC, mpitype, &qD);CHKERRQ(ierr); 474 if (H) ierr = DMGetWorkArray(field->dm, N * dimC * dimC, mpitype, &qH);CHKERRQ(ierr); 475 ierr = DMFieldEvaluateFE(field,pointIS,quad,type,qB,qD,qH);CHKERRQ(ierr); 476 if (B) { 477 PetscInt i, j, k; 478 479 if (type == PETSC_SCALAR) { 480 PetscScalar * sB = (PetscScalar *) B; 481 PetscScalar * sqB = (PetscScalar *) qB; 482 483 for (i = 0; i < numPoints; i++) { 484 PetscReal vol = 0.; 485 486 for (j = 0; j < Nc; j++) {sB[i * Nc + j] = 0.;} 487 for (k = 0; k < Nq; k++) { 488 vol += geom->detJ[i * Nq + k] * weights[k]; 489 for (j = 0; j < Nc; j++) { 490 sB[i * Nc + j] += geom->detJ[i * Nq + k] * weights[k] * sqB[ (i * Nq + k) * Nc + j]; 491 } 492 } 493 for (k = 0; k < Nq * Nc; k++) sB[i * Nq * Nc + k] /= vol; 494 } 495 } else { 496 PetscReal * rB = (PetscReal *) B; 497 PetscReal * rqB = (PetscReal *) qB; 498 499 for (i = 0; i < numPoints; i++) { 500 PetscReal vol = 0.; 501 502 for (j = 0; j < Nc; j++) {rB[i * Nc + j] = 0.;} 503 for (k = 0; k < Nq; k++) { 504 vol += geom->detJ[i * Nq + k] * weights[k]; 505 for (j = 0; j < Nc; j++) { 506 rB[i * Nc + j] += weights[k] * rqB[ (i * Nq + k) * Nc + j]; 507 } 508 } 509 for (k = 0; k < Nc; k++) rB[i * Nc + k] /= vol; 510 } 511 } 512 } 513 if (D) { 514 PetscInt i, j, k, l, m; 515 516 if (type == PETSC_SCALAR) { 517 PetscScalar * sD = (PetscScalar *) D; 518 PetscScalar * sqD = (PetscScalar *) qD; 519 520 for (i = 0; i < numPoints; i++) { 521 PetscReal vol = 0.; 522 523 for (j = 0; j < Nc * dimC; j++) {sD[i * Nc * dimC + j] = 0.;} 524 for (k = 0; k < Nq; k++) { 525 vol += geom->detJ[i * Nq + k] * weights[k]; 526 for (j = 0; j < Nc; j++) { 527 PetscScalar pD[3] = {0.,0.,0.}; 528 529 for (l = 0; l < dimC; l++) { 530 for (m = 0; m < dim; m++) { 531 pD[l] += geom->invJ[((i * Nq + k) * dimC + m) * dimC + l] * sqD[((i * Nq + k) * Nc + j) * dim + m]; 532 } 533 } 534 for (l = 0; l < dimC; l++) { 535 sD[(i * Nc + j) * dimC + l] += geom->detJ[i * Nq + k] * weights[k] * pD[l]; 536 } 537 } 538 } 539 for (k = 0; k < Nc * dimC; k++) sD[i * Nc * dimC + k] /= vol; 540 } 541 } else { 542 PetscReal * rD = (PetscReal *) D; 543 PetscReal * rqD = (PetscReal *) qD; 544 545 for (i = 0; i < numPoints; i++) { 546 PetscReal vol = 0.; 547 548 for (j = 0; j < Nc * dimC; j++) {rD[i * Nc * dimC + j] = 0.;} 549 for (k = 0; k < Nq; k++) { 550 vol += geom->detJ[i * Nq + k] * weights[k]; 551 for (j = 0; j < Nc; j++) { 552 PetscReal pD[3] = {0.,0.,0.}; 553 554 for (l = 0; l < dimC; l++) { 555 for (m = 0; m < dim; m++) { 556 pD[l] += geom->invJ[((i * Nq + k) * dimC + m) * dimC + l] * rqD[((i * Nq + k) * Nc + j) * dim + m]; 557 } 558 } 559 for (l = 0; l < dimC; l++) { 560 rD[(i * Nc + j) * dimC + l] += geom->detJ[i * Nq + k] * weights[k] * pD[l]; 561 } 562 } 563 } 564 for (k = 0; k < Nc * dimC; k++) rD[i * Nc * dimC + k] /= vol; 565 } 566 } 567 } 568 if (H) { 569 PetscInt i, j, k, l, m, q, r; 570 571 if (type == PETSC_SCALAR) { 572 PetscScalar * sH = (PetscScalar *) H; 573 PetscScalar * sqH = (PetscScalar *) qH; 574 575 for (i = 0; i < numPoints; i++) { 576 PetscReal vol = 0.; 577 578 for (j = 0; j < Nc * dimC * dimC; j++) {sH[i * Nc * dimC * dimC + j] = 0.;} 579 for (k = 0; k < Nq; k++) { 580 const PetscReal *invJ = &geom->invJ[(i * Nq + k) * dimC * dimC]; 581 582 vol += geom->detJ[i * Nq + k] * weights[k]; 583 for (j = 0; j < Nc; j++) { 584 PetscScalar pH[3][3] = {{0.,0.,0.},{0.,0.,0.},{0.,0.,0.}}; 585 const PetscScalar *spH = &sqH[((i * Nq + k) * Nc + j) * dimC * dimC]; 586 587 for (l = 0; l < dimC; l++) { 588 for (m = 0; m < dimC; m++) { 589 for (q = 0; q < dim; q++) { 590 for (r = 0; r < dim; r++) { 591 pH[l][m] += invJ[q * dimC + l] * invJ[r * dimC + m] * spH[q * dim + r]; 592 } 593 } 594 } 595 } 596 for (l = 0; l < dimC; l++) { 597 for (m = 0; m < dimC; m++) { 598 sH[(i * Nc + j) * dimC * dimC + l * dimC + m] += geom->detJ[i * Nq + k] * weights[k] * pH[l][m]; 599 } 600 } 601 } 602 } 603 for (k = 0; k < Nc * dimC * dimC; k++) sH[i * Nc * dimC * dimC + k] /= vol; 604 } 605 } else { 606 PetscReal * rH = (PetscReal *) H; 607 PetscReal * rqH = (PetscReal *) qH; 608 609 for (i = 0; i < numPoints; i++) { 610 PetscReal vol = 0.; 611 612 for (j = 0; j < Nc * dimC * dimC; j++) {rH[i * Nc * dimC * dimC + j] = 0.;} 613 for (k = 0; k < Nq; k++) { 614 const PetscReal *invJ = &geom->invJ[(i * Nq + k) * dimC * dimC]; 615 616 vol += geom->detJ[i * Nq + k] * weights[k]; 617 for (j = 0; j < Nc; j++) { 618 PetscReal pH[3][3] = {{0.,0.,0.},{0.,0.,0.},{0.,0.,0.}}; 619 const PetscReal *rpH = &rqH[((i * Nq + k) * Nc + j) * dimC * dimC]; 620 621 for (l = 0; l < dimC; l++) { 622 for (m = 0; m < dimC; m++) { 623 for (q = 0; q < dim; q++) { 624 for (r = 0; r < dim; r++) { 625 pH[l][m] += invJ[q * dimC + l] * invJ[r * dimC + m] * rpH[q * dim + r]; 626 } 627 } 628 } 629 } 630 for (l = 0; l < dimC; l++) { 631 for (m = 0; m < dimC; m++) { 632 rH[(i * Nc + j) * dimC * dimC + l * dimC + m] += geom->detJ[i * Nq + k] * weights[k] * pH[l][m]; 633 } 634 } 635 } 636 } 637 for (k = 0; k < Nc * dimC * dimC; k++) rH[i * Nc * dimC * dimC + k] /= vol; 638 } 639 } 640 } 641 if (B) ierr = DMRestoreWorkArray(field->dm, N, mpitype, &qB);CHKERRQ(ierr); 642 if (D) ierr = DMRestoreWorkArray(field->dm, N * dimC, mpitype, &qD);CHKERRQ(ierr); 643 if (H) ierr = DMRestoreWorkArray(field->dm, N * dimC * dimC, mpitype, &qH);CHKERRQ(ierr); 644 ierr = PetscFEGeomDestroy(&geom);CHKERRQ(ierr); 645 ierr = PetscQuadratureDestroy(&quad);CHKERRQ(ierr); 646 PetscFunctionReturn(0); 647 } 648 649 static PetscErrorCode DMFieldGetDegree_DS(DMField field, IS pointIS, PetscInt *minDegree, PetscInt *maxDegree) 650 { 651 DMField_DS *dsfield; 652 PetscObject disc; 653 PetscInt h, imin, imax; 654 PetscClassId id; 655 PetscErrorCode ierr; 656 657 PetscFunctionBegin; 658 dsfield = (DMField_DS *) field->data; 659 ierr = ISGetMinMax(pointIS,&imin,&imax);CHKERRQ(ierr); 660 if (imin >= imax) { 661 h = 0; 662 } else { 663 for (h = 0; h < dsfield->height; h++) { 664 PetscInt hEnd; 665 666 ierr = DMPlexGetHeightStratum(field->dm,h,NULL,&hEnd);CHKERRQ(ierr); 667 if (imin < hEnd) break; 668 } 669 } 670 ierr = DMFieldDSGetHeightDisc(field,h,&disc);CHKERRQ(ierr); 671 ierr = PetscObjectGetClassId(disc,&id);CHKERRQ(ierr); 672 if (id == PETSCFE_CLASSID) { 673 PetscFE fe = (PetscFE) disc; 674 PetscSpace sp; 675 676 ierr = PetscFEGetBasisSpace(fe, &sp);CHKERRQ(ierr); 677 ierr = PetscSpaceGetDegree(sp, minDegree, maxDegree);CHKERRQ(ierr); 678 } 679 PetscFunctionReturn(0); 680 } 681 682 static PetscErrorCode DMFieldCreateDefaultQuadrature_DS(DMField field, IS pointIS, PetscQuadrature *quad) 683 { 684 PetscInt h, dim, imax, imin, cellHeight; 685 DM dm; 686 DMField_DS *dsfield; 687 PetscObject disc; 688 PetscFE fe; 689 PetscClassId id; 690 PetscErrorCode ierr; 691 692 693 PetscFunctionBegin; 694 dm = field->dm; 695 dsfield = (DMField_DS *) field->data; 696 ierr = ISGetMinMax(pointIS,&imin,&imax);CHKERRQ(ierr); 697 ierr = DMGetDimension(dm,&dim);CHKERRQ(ierr); 698 for (h = 0; h <= dim; h++) { 699 PetscInt hStart, hEnd; 700 701 ierr = DMPlexGetHeightStratum(dm,h,&hStart,&hEnd);CHKERRQ(ierr); 702 if (imax >= hStart && imin < hEnd) break; 703 } 704 ierr = DMPlexGetVTKCellHeight(dm, &cellHeight);CHKERRQ(ierr); 705 h -= cellHeight; 706 *quad = NULL; 707 if (h < dsfield->height) { 708 ierr = DMFieldDSGetHeightDisc(field,h,&disc);CHKERRQ(ierr); 709 ierr = PetscObjectGetClassId(disc,&id);CHKERRQ(ierr); 710 if (id != PETSCFE_CLASSID) PetscFunctionReturn(0); 711 fe = (PetscFE) disc; 712 ierr = PetscFEGetQuadrature(fe,quad);CHKERRQ(ierr); 713 ierr = PetscObjectReference((PetscObject)*quad);CHKERRQ(ierr); 714 } 715 PetscFunctionReturn(0); 716 } 717 718 static PetscErrorCode DMFieldComputeFaceData_DS(DMField field, IS pointIS, PetscQuadrature quad, PetscFEGeom *geom) 719 { 720 const PetscInt *points; 721 PetscInt p, dim, dE, numFaces, Nq; 722 PetscInt maxDegree; 723 DMLabel depthLabel; 724 IS cellIS; 725 DM dm = field->dm; 726 PetscErrorCode ierr; 727 728 PetscFunctionBegin; 729 dim = geom->dim; 730 dE = geom->dimEmbed; 731 ierr = DMPlexGetDepthLabel(dm, &depthLabel);CHKERRQ(ierr); 732 ierr = DMLabelGetStratumIS(depthLabel, dim + 1, &cellIS);CHKERRQ(ierr); 733 ierr = DMFieldGetDegree(field,cellIS,NULL,&maxDegree);CHKERRQ(ierr); 734 ierr = ISGetIndices(pointIS, &points);CHKERRQ(ierr); 735 numFaces = geom->numCells; 736 Nq = geom->numPoints; 737 if (maxDegree <= 1) { 738 PetscInt numCells, offset, *cells; 739 PetscFEGeom *cellGeom; 740 IS suppIS; 741 PetscQuadrature cellQuad = NULL; 742 743 ierr = DMFieldCreateDefaultQuadrature(field,cellIS,&cellQuad);CHKERRQ(ierr); 744 for (p = 0, numCells = 0; p < numFaces; p++) { 745 PetscInt point = points[p]; 746 PetscInt numSupp, numChildren; 747 748 ierr = DMPlexGetTreeChildren(dm, point, &numChildren, NULL); CHKERRQ(ierr); 749 if (numChildren) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Face data not valid for facets with children"); 750 ierr = DMPlexGetSupportSize(dm, point,&numSupp);CHKERRQ(ierr); 751 if (numSupp > 2) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Point %D has %D support, expected at most 2\n", point, numSupp); 752 numCells += numSupp; 753 } 754 ierr = PetscMalloc1(numCells, &cells);CHKERRQ(ierr); 755 for (p = 0, offset = 0; p < numFaces; p++) { 756 PetscInt point = points[p]; 757 PetscInt numSupp, s; 758 const PetscInt *supp; 759 760 ierr = DMPlexGetSupportSize(dm, point,&numSupp);CHKERRQ(ierr); 761 ierr = DMPlexGetSupport(dm, point, &supp);CHKERRQ(ierr); 762 for (s = 0; s < numSupp; s++, offset++) { 763 cells[offset] = supp[s]; 764 } 765 } 766 ierr = ISCreateGeneral(PETSC_COMM_SELF,numCells,cells,PETSC_USE_POINTER, &suppIS);CHKERRQ(ierr); 767 ierr = DMFieldCreateFEGeom(field,suppIS,cellQuad,PETSC_FALSE,&cellGeom);CHKERRQ(ierr); 768 for (p = 0, offset = 0; p < numFaces; p++) { 769 PetscInt point = points[p]; 770 PetscInt numSupp, s, q; 771 const PetscInt *supp; 772 773 ierr = DMPlexGetSupportSize(dm, point,&numSupp);CHKERRQ(ierr); 774 ierr = DMPlexGetSupport(dm, point, &supp);CHKERRQ(ierr); 775 for (s = 0; s < numSupp; s++, offset++) { 776 for (q = 0; q < Nq * dE * dE; q++) { 777 geom->suppInvJ[s][p * Nq * dE * dE + q] = cellGeom->invJ[offset * Nq * dE * dE + q]; 778 } 779 } 780 } 781 ierr = PetscFEGeomDestroy(&cellGeom);CHKERRQ(ierr); 782 ierr = ISDestroy(&suppIS);CHKERRQ(ierr); 783 ierr = PetscFree(cells);CHKERRQ(ierr); 784 ierr = PetscQuadratureDestroy(&cellQuad);CHKERRQ(ierr); 785 } else { 786 PetscObject faceDisc, cellDisc; 787 PetscClassId faceId, cellId; 788 PetscDualSpace dsp; 789 DM K; 790 PetscInt (*co)[2][3]; 791 PetscInt coneSize; 792 PetscInt **counts; 793 PetscInt f, i, o, q, s; 794 const PetscInt *coneK; 795 PetscInt minOrient, maxOrient, numOrient; 796 PetscInt *orients; 797 PetscReal **orientPoints; 798 PetscReal *cellPoints; 799 PetscReal *dummyWeights; 800 PetscQuadrature cellQuad = NULL; 801 802 ierr = DMFieldDSGetHeightDisc(field, 1, &faceDisc);CHKERRQ(ierr); 803 ierr = DMFieldDSGetHeightDisc(field, 0, &cellDisc);CHKERRQ(ierr); 804 ierr = PetscObjectGetClassId(faceDisc,&faceId);CHKERRQ(ierr); 805 ierr = PetscObjectGetClassId(cellDisc,&cellId);CHKERRQ(ierr); 806 if (faceId != PETSCFE_CLASSID || cellId != PETSCFE_CLASSID) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Not supported\n"); 807 ierr = PetscFEGetDualSpace((PetscFE)cellDisc, &dsp);CHKERRQ(ierr); 808 ierr = PetscDualSpaceGetDM(dsp, &K); CHKERRQ(ierr); 809 ierr = DMPlexGetConeSize(K,0,&coneSize);CHKERRQ(ierr); 810 ierr = DMPlexGetCone(K,0,&coneK);CHKERRQ(ierr); 811 ierr = PetscMalloc2(numFaces, &co, coneSize, &counts);CHKERRQ(ierr); 812 ierr = PetscMalloc1(dE*Nq, &cellPoints);CHKERRQ(ierr); 813 ierr = PetscMalloc1(Nq, &dummyWeights);CHKERRQ(ierr); 814 ierr = PetscQuadratureCreate(PetscObjectComm((PetscObject)field), &cellQuad);CHKERRQ(ierr); 815 ierr = PetscQuadratureSetData(cellQuad, dE, 1, Nq, cellPoints, dummyWeights);CHKERRQ(ierr); 816 minOrient = PETSC_MAX_INT; 817 maxOrient = PETSC_MIN_INT; 818 for (p = 0; p < numFaces; p++) { /* record the orientation of the facet wrt the support cells */ 819 PetscInt point = points[p]; 820 PetscInt numSupp, numChildren; 821 const PetscInt *supp; 822 823 ierr = DMPlexGetTreeChildren(dm, point, &numChildren, NULL); CHKERRQ(ierr); 824 if (numChildren) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Face data not valid for facets with children"); 825 ierr = DMPlexGetSupportSize(dm, point,&numSupp);CHKERRQ(ierr); 826 if (numSupp > 2) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Point %D has %D support, expected at most 2\n", point, numSupp); 827 ierr = DMPlexGetSupport(dm, point, &supp);CHKERRQ(ierr); 828 for (s = 0; s < numSupp; s++) { 829 PetscInt cell = supp[s]; 830 PetscInt numCone; 831 const PetscInt *cone, *orient; 832 833 ierr = DMPlexGetConeSize(dm, cell, &numCone);CHKERRQ(ierr); 834 if (numCone != coneSize) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Support point does not match reference element"); 835 ierr = DMPlexGetCone(dm, cell, &cone);CHKERRQ(ierr); 836 ierr = DMPlexGetConeOrientation(dm, cell, &orient);CHKERRQ(ierr); 837 for (f = 0; f < coneSize; f++) { 838 if (cone[f] == point) break; 839 } 840 co[p][s][0] = f; 841 co[p][s][1] = orient[f]; 842 co[p][s][2] = cell; 843 minOrient = PetscMin(minOrient, orient[f]); 844 maxOrient = PetscMax(maxOrient, orient[f]); 845 } 846 for (; s < 2; s++) { 847 co[p][s][0] = -1; 848 co[p][s][1] = -1; 849 co[p][s][2] = -1; 850 } 851 } 852 numOrient = maxOrient + 1 - minOrient; 853 ierr = DMPlexGetCone(K,0,&coneK);CHKERRQ(ierr); 854 /* count all (face,orientation) doubles that appear */ 855 ierr = PetscCalloc2(numOrient,&orients,numOrient,&orientPoints);CHKERRQ(ierr); 856 for (f = 0; f < coneSize; f++) {ierr = PetscCalloc1(numOrient+1, &counts[f]);CHKERRQ(ierr);} 857 for (p = 0; p < numFaces; p++) { 858 for (s = 0; s < 2; s++) { 859 if (co[p][s][0] >= 0) { 860 counts[co[p][s][0]][co[p][s][1] - minOrient]++; 861 orients[co[p][s][1] - minOrient]++; 862 } 863 } 864 } 865 for (o = 0; o < numOrient; o++) { 866 if (orients[o]) { 867 PetscInt orient = o + minOrient; 868 PetscInt q; 869 870 ierr = PetscMalloc1(Nq * dim, &orientPoints[o]);CHKERRQ(ierr); 871 /* rotate the quadrature points appropriately */ 872 switch (dim) { 873 case 0: 874 break; 875 case 1: 876 if (orient == -2 || orient == 1) { 877 for (q = 0; q < Nq; q++) { 878 orientPoints[o][q] = -geom->xi[q]; 879 } 880 } else { 881 for (q = 0; q < Nq; q++) { 882 orientPoints[o][q] = geom->xi[q]; 883 } 884 } 885 break; 886 case 2: 887 switch (coneSize) { 888 case 3: 889 for (q = 0; q < Nq; q++) { 890 PetscReal lambda[3]; 891 PetscReal lambdao[3]; 892 893 /* convert to barycentric */ 894 lambda[0] = - (geom->xi[2 * q] + geom->xi[2 * q + 1]) / 2.; 895 lambda[1] = (geom->xi[2 * q] + 1.) / 2.; 896 lambda[2] = (geom->xi[2 * q + 1] + 1.) / 2.; 897 if (orient >= 0) { 898 for (i = 0; i < 3; i++) { 899 lambdao[i] = lambda[(orient + i) % 3]; 900 } 901 } else { 902 for (i = 0; i < 3; i++) { 903 lambdao[i] = lambda[(-(orient + i) + 3) % 3]; 904 } 905 } 906 /* convert to coordinates */ 907 orientPoints[o][2 * q + 0] = -(lambdao[0] + lambdao[2]) + lambdao[1]; 908 orientPoints[o][2 * q + 1] = -(lambdao[0] + lambdao[1]) + lambdao[2]; 909 } 910 break; 911 case 4: 912 for (q = 0; q < Nq; q++) { 913 PetscReal xi[2], xio[2]; 914 PetscInt oabs = (orient >= 0) ? orient : -(orient + 1); 915 916 xi[0] = geom->xi[2 * q]; 917 xi[1] = geom->xi[2 * q + 1]; 918 switch (oabs) { 919 case 1: 920 xio[0] = xi[1]; 921 xio[1] = -xi[0]; 922 break; 923 case 2: 924 xio[0] = -xi[0]; 925 xio[1] = -xi[1]; 926 case 3: 927 xio[0] = -xi[1]; 928 xio[1] = xi[0]; 929 case 0: 930 default: 931 xio[0] = xi[0]; 932 xio[1] = xi[1]; 933 break; 934 } 935 if (orient < 0) { 936 xio[0] = -xio[0]; 937 } 938 orientPoints[o][2 * q + 0] = xio[0]; 939 orientPoints[o][2 * q + 1] = xio[1]; 940 } 941 break; 942 default: 943 SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Cone size %D not yet supported\n", coneSize); 944 } 945 default: 946 SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Dimension %D not yet supported\n", dim); 947 } 948 } 949 } 950 for (f = 0; f < coneSize; f++) { 951 PetscInt face = coneK[f]; 952 PetscReal v0[3]; 953 PetscReal J[9], detJ; 954 PetscInt numCells, offset; 955 PetscInt *cells; 956 IS suppIS; 957 958 ierr = DMPlexComputeCellGeometryFEM(K, face, NULL, v0, J, NULL, &detJ);CHKERRQ(ierr); 959 for (o = 0; o <= numOrient; o++) { 960 PetscFEGeom *cellGeom; 961 962 if (!counts[f][o]) continue; 963 /* If this (face,orientation) double appears, 964 * convert the face quadrature points into volume quadrature points */ 965 for (q = 0; q < Nq; q++) { 966 PetscReal xi0[3] = {-1., -1., -1.}; 967 968 CoordinatesRefToReal(dE, dim, xi0, v0, J, &orientPoints[o][dim * q + 0], &cellPoints[dE * q + 0]); 969 } 970 for (p = 0, numCells = 0; p < numFaces; p++) { 971 for (s = 0; s < 2; s++) { 972 if (co[p][s][0] == f && co[p][s][1] == o + minOrient) numCells++; 973 } 974 } 975 ierr = PetscMalloc1(numCells, &cells);CHKERRQ(ierr); 976 for (p = 0, offset = 0; p < numFaces; p++) { 977 for (s = 0; s < 2; s++) { 978 if (co[p][s][0] == f && co[p][s][1] == o + minOrient) { 979 cells[offset++] = co[p][s][2]; 980 } 981 } 982 } 983 ierr = ISCreateGeneral(PETSC_COMM_SELF,numCells,cells,PETSC_USE_POINTER, &suppIS);CHKERRQ(ierr); 984 ierr = DMFieldCreateFEGeom(field,suppIS,cellQuad,PETSC_FALSE,&cellGeom);CHKERRQ(ierr); 985 for (p = 0, offset = 0; p < numFaces; p++) { 986 for (s = 0; s < 2; s++) { 987 if (co[p][s][0] == f && co[p][s][1] == o + minOrient) { 988 for (q = 0; q < Nq * dE * dE; q++) { 989 geom->suppInvJ[s][p * Nq * dE * dE + q] = cellGeom->invJ[offset * Nq * dE * dE + q]; 990 } 991 offset++; 992 } 993 } 994 } 995 ierr = PetscFEGeomDestroy(&cellGeom);CHKERRQ(ierr); 996 ierr = ISDestroy(&suppIS);CHKERRQ(ierr); 997 ierr = PetscFree(cells);CHKERRQ(ierr); 998 } 999 } 1000 for (o = 0; o < numOrient; o++) { 1001 if (orients[o]) { 1002 ierr = PetscFree(orientPoints[o]);CHKERRQ(ierr); 1003 } 1004 } 1005 ierr = PetscFree2(orients,orientPoints);CHKERRQ(ierr); 1006 ierr = PetscQuadratureDestroy(&cellQuad);CHKERRQ(ierr); 1007 ierr = PetscFree2(co,counts);CHKERRQ(ierr); 1008 } 1009 ierr = ISRestoreIndices(pointIS, &points);CHKERRQ(ierr); 1010 ierr = ISDestroy(&cellIS);CHKERRQ(ierr); 1011 PetscFunctionReturn(0); 1012 } 1013 1014 static PetscErrorCode DMFieldInitialize_DS(DMField field) 1015 { 1016 PetscFunctionBegin; 1017 field->ops->destroy = DMFieldDestroy_DS; 1018 field->ops->evaluate = DMFieldEvaluate_DS; 1019 field->ops->evaluateFE = DMFieldEvaluateFE_DS; 1020 field->ops->evaluateFV = DMFieldEvaluateFV_DS; 1021 field->ops->getDegree = DMFieldGetDegree_DS; 1022 field->ops->createDefaultQuadrature = DMFieldCreateDefaultQuadrature_DS; 1023 field->ops->view = DMFieldView_DS; 1024 field->ops->computeFaceData = DMFieldComputeFaceData_DS; 1025 PetscFunctionReturn(0); 1026 } 1027 1028 PETSC_INTERN PetscErrorCode DMFieldCreate_DS(DMField field) 1029 { 1030 DMField_DS *dsfield; 1031 PetscErrorCode ierr; 1032 1033 PetscFunctionBegin; 1034 ierr = PetscNewLog(field,&dsfield);CHKERRQ(ierr); 1035 field->data = dsfield; 1036 ierr = DMFieldInitialize_DS(field);CHKERRQ(ierr); 1037 PetscFunctionReturn(0); 1038 } 1039 1040 PetscErrorCode DMFieldCreateDS(DM dm, PetscInt fieldNum, Vec vec,DMField *field) 1041 { 1042 DMField b; 1043 DMField_DS *dsfield; 1044 PetscObject disc = NULL; 1045 PetscBool isContainer = PETSC_FALSE; 1046 PetscClassId id = -1; 1047 PetscInt numComponents = -1, dsNumFields; 1048 PetscSection section; 1049 PetscErrorCode ierr; 1050 1051 PetscFunctionBegin; 1052 ierr = DMGetDefaultSection(dm,§ion);CHKERRQ(ierr); 1053 ierr = PetscSectionGetFieldComponents(section,fieldNum,&numComponents);CHKERRQ(ierr); 1054 ierr = DMGetNumFields(dm,&dsNumFields);CHKERRQ(ierr); 1055 if (dsNumFields) {ierr = DMGetField(dm,fieldNum,NULL,&disc);CHKERRQ(ierr);} 1056 if (disc) { 1057 ierr = PetscObjectGetClassId(disc,&id);CHKERRQ(ierr); 1058 isContainer = (id == PETSC_CONTAINER_CLASSID) ? PETSC_TRUE : PETSC_FALSE; 1059 } 1060 if (!disc || isContainer) { 1061 MPI_Comm comm = PetscObjectComm((PetscObject) dm); 1062 PetscInt cStart, cEnd, dim, cellHeight; 1063 PetscInt localConeSize = 0, coneSize; 1064 PetscFE fe; 1065 PetscDualSpace Q; 1066 PetscSpace P; 1067 DM K; 1068 PetscQuadrature quad, fquad; 1069 PetscBool isSimplex; 1070 1071 ierr = DMPlexGetVTKCellHeight(dm, &cellHeight);CHKERRQ(ierr); 1072 ierr = DMPlexGetHeightStratum(dm, cellHeight, &cStart, &cEnd);CHKERRQ(ierr); 1073 ierr = DMGetDimension(dm, &dim);CHKERRQ(ierr); 1074 if (cEnd > cStart) { 1075 ierr = DMPlexGetConeSize(dm, cStart, &localConeSize);CHKERRQ(ierr); 1076 } 1077 ierr = MPI_Allreduce(&localConeSize,&coneSize,1,MPIU_INT,MPI_MAX,comm);CHKERRQ(ierr); 1078 isSimplex = (coneSize == (dim + 1)) ? PETSC_TRUE : PETSC_FALSE; 1079 ierr = PetscSpaceCreate(comm, &P);CHKERRQ(ierr); 1080 ierr = PetscSpaceSetType(P,PETSCSPACEPOLYNOMIAL);CHKERRQ(ierr); 1081 ierr = PetscSpaceSetDegree(P, 1, PETSC_DETERMINE);CHKERRQ(ierr); 1082 ierr = PetscSpaceSetNumComponents(P, numComponents);CHKERRQ(ierr); 1083 ierr = PetscSpaceSetNumVariables(P, dim);CHKERRQ(ierr); 1084 ierr = PetscSpacePolynomialSetTensor(P, isSimplex ? PETSC_FALSE : PETSC_TRUE);CHKERRQ(ierr); 1085 ierr = PetscSpaceSetUp(P);CHKERRQ(ierr); 1086 ierr = PetscDualSpaceCreate(comm, &Q);CHKERRQ(ierr); 1087 ierr = PetscDualSpaceSetType(Q,PETSCDUALSPACELAGRANGE);CHKERRQ(ierr); 1088 ierr = PetscDualSpaceCreateReferenceCell(Q, dim, isSimplex, &K);CHKERRQ(ierr); 1089 ierr = PetscDualSpaceSetDM(Q, K);CHKERRQ(ierr); 1090 ierr = DMDestroy(&K);CHKERRQ(ierr); 1091 ierr = PetscDualSpaceSetNumComponents(Q, numComponents);CHKERRQ(ierr); 1092 ierr = PetscDualSpaceSetOrder(Q, 1);CHKERRQ(ierr); 1093 ierr = PetscDualSpaceLagrangeSetTensor(Q, isSimplex ? PETSC_FALSE : PETSC_TRUE);CHKERRQ(ierr); 1094 ierr = PetscDualSpaceSetUp(Q);CHKERRQ(ierr); 1095 ierr = PetscFECreate(comm, &fe);CHKERRQ(ierr); 1096 ierr = PetscFESetType(fe,PETSCFEBASIC);CHKERRQ(ierr); 1097 ierr = PetscFESetBasisSpace(fe, P);CHKERRQ(ierr); 1098 ierr = PetscFESetDualSpace(fe, Q);CHKERRQ(ierr); 1099 ierr = PetscFESetNumComponents(fe, numComponents);CHKERRQ(ierr); 1100 ierr = PetscFESetUp(fe);CHKERRQ(ierr); 1101 ierr = PetscSpaceDestroy(&P);CHKERRQ(ierr); 1102 ierr = PetscDualSpaceDestroy(&Q);CHKERRQ(ierr); 1103 if (isSimplex) { 1104 ierr = PetscDTGaussJacobiQuadrature(dim, 1, 1, -1.0, 1.0, &quad);CHKERRQ(ierr); 1105 ierr = PetscDTGaussJacobiQuadrature(dim-1, 1, 1, -1.0, 1.0, &fquad);CHKERRQ(ierr); 1106 } 1107 else { 1108 ierr = PetscDTGaussTensorQuadrature(dim, 1, 1, -1.0, 1.0, &quad);CHKERRQ(ierr); 1109 ierr = PetscDTGaussTensorQuadrature(dim-1, 1, 1, -1.0, 1.0, &fquad);CHKERRQ(ierr); 1110 } 1111 ierr = PetscFESetQuadrature(fe, quad);CHKERRQ(ierr); 1112 ierr = PetscFESetFaceQuadrature(fe, fquad);CHKERRQ(ierr); 1113 ierr = PetscQuadratureDestroy(&quad);CHKERRQ(ierr); 1114 ierr = PetscQuadratureDestroy(&fquad);CHKERRQ(ierr); 1115 disc = (PetscObject) fe; 1116 } else { 1117 ierr = PetscObjectReference(disc);CHKERRQ(ierr); 1118 } 1119 ierr = PetscObjectGetClassId(disc,&id);CHKERRQ(ierr); 1120 if (id == PETSCFE_CLASSID) { 1121 PetscFE fe = (PetscFE) disc; 1122 1123 ierr = PetscFEGetNumComponents(fe,&numComponents);CHKERRQ(ierr); 1124 } else {SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Not implemented");} 1125 ierr = DMFieldCreate(dm,numComponents,DMFIELD_VERTEX,&b);CHKERRQ(ierr); 1126 ierr = DMFieldSetType(b,DMFIELDDS);CHKERRQ(ierr); 1127 dsfield = (DMField_DS *) b->data; 1128 dsfield->fieldNum = fieldNum; 1129 ierr = DMGetDimension(dm,&dsfield->height);CHKERRQ(ierr); 1130 dsfield->height++; 1131 ierr = PetscCalloc1(dsfield->height,&dsfield->disc);CHKERRQ(ierr); 1132 dsfield->disc[0] = disc; 1133 ierr = PetscObjectReference((PetscObject)vec);CHKERRQ(ierr); 1134 dsfield->vec = vec; 1135 *field = b; 1136 1137 PetscFunctionReturn(0); 1138 } 1139