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 ierr = 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) SETERRQ(PetscObjectComm((PetscObject)field),PETSC_ERR_SUP,"View of subfield not implemented yet"); 52 ierr = VecView(dsfield->vec,viewer);CHKERRQ(ierr); 53 ierr = PetscViewerASCIIPopTab(viewer);CHKERRQ(ierr); 54 PetscFunctionReturn(0); 55 } 56 57 static PetscErrorCode DMFieldDSGetHeightDisc(DMField field, PetscInt height, PetscObject *disc) 58 { 59 DMField_DS *dsfield = (DMField_DS *) field->data; 60 PetscErrorCode ierr; 61 62 PetscFunctionBegin; 63 if (!dsfield->disc[height]) { 64 PetscClassId id; 65 66 ierr = PetscObjectGetClassId(dsfield->disc[0],&id);CHKERRQ(ierr); 67 if (id == PETSCFE_CLASSID) { 68 PetscFE fe = (PetscFE) dsfield->disc[0]; 69 70 ierr = PetscFECreateHeightTrace(fe,height,(PetscFE *)&dsfield->disc[height]);CHKERRQ(ierr); 71 } 72 } 73 *disc = dsfield->disc[height]; 74 PetscFunctionReturn(0); 75 } 76 77 /* y[m,c] = A[m,n,c] . b[n] */ 78 #define DMFieldDSdot(y,A,b,m,n,c,cast) \ 79 do { \ 80 PetscInt _i, _j, _k; \ 81 for (_i = 0; _i < (m); _i++) { \ 82 for (_k = 0; _k < (c); _k++) { \ 83 (y)[_i * (c) + _k] = 0.; \ 84 } \ 85 for (_j = 0; _j < (n); _j++) { \ 86 for (_k = 0; _k < (c); _k++) { \ 87 (y)[_i * (c) + _k] += (A)[(_i * (n) + _j) * (c) + _k] * cast((b)[_j]); \ 88 } \ 89 } \ 90 } \ 91 } while (0) 92 93 /* TODO: Reorganize interface so that I can reuse a tabulation rather than mallocing each time */ 94 static PetscErrorCode DMFieldEvaluateFE_DS(DMField field, IS pointIS, PetscQuadrature quad, PetscDataType type, void *B, void *D, void *H) 95 { 96 DMField_DS *dsfield = (DMField_DS *) field->data; 97 DM dm; 98 PetscObject disc; 99 PetscClassId classid; 100 PetscInt nq, nc, dim, meshDim, numCells; 101 PetscSection section; 102 const PetscReal *qpoints; 103 PetscBool isStride; 104 const PetscInt *points = NULL; 105 PetscInt sfirst = -1, stride = -1; 106 PetscErrorCode ierr; 107 108 PetscFunctionBeginHot; 109 dm = field->dm; 110 nc = field->numComponents; 111 ierr = PetscQuadratureGetData(quad,&dim,NULL,&nq,&qpoints,NULL);CHKERRQ(ierr); 112 ierr = DMFieldDSGetHeightDisc(field,dsfield->height - 1 - dim,&disc);CHKERRQ(ierr); 113 ierr = DMGetDimension(dm,&meshDim);CHKERRQ(ierr); 114 ierr = DMGetLocalSection(dm,§ion);CHKERRQ(ierr); 115 ierr = PetscSectionGetField(section,dsfield->fieldNum,§ion);CHKERRQ(ierr); 116 ierr = PetscObjectGetClassId(disc,&classid);CHKERRQ(ierr); 117 /* TODO: batch */ 118 ierr = PetscObjectTypeCompare((PetscObject)pointIS,ISSTRIDE,&isStride);CHKERRQ(ierr); 119 ierr = ISGetLocalSize(pointIS,&numCells);CHKERRQ(ierr); 120 if (isStride) { 121 ierr = ISStrideGetInfo(pointIS,&sfirst,&stride);CHKERRQ(ierr); 122 } else { 123 ierr = ISGetIndices(pointIS,&points);CHKERRQ(ierr); 124 } 125 if (classid == PETSCFE_CLASSID) { 126 PetscFE fe = (PetscFE) disc; 127 PetscInt feDim, i; 128 PetscInt K = H ? 2 : (D ? 1 : (B ? 0 : -1)); 129 PetscTabulation T; 130 131 ierr = PetscFEGetDimension(fe,&feDim);CHKERRQ(ierr); 132 ierr = PetscFECreateTabulation(fe,1,nq,qpoints,K,&T);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 /* field[c] = T[q,b,c] . coef[b], so v[c] = T[q,b,c] . coords[b] */ 141 if (type == PETSC_SCALAR) { 142 PetscScalar *cB = &((PetscScalar *) B)[nc * nq * i]; 143 144 DMFieldDSdot(cB,T->T[0],elem,nq,feDim,nc,(PetscScalar)); 145 } else { 146 PetscReal *cB = &((PetscReal *) B)[nc * nq * i]; 147 148 DMFieldDSdot(cB,T->T[0],elem,nq,feDim,nc,PetscRealPart); 149 } 150 } 151 if (D) { 152 if (type == PETSC_SCALAR) { 153 PetscScalar *cD = &((PetscScalar *) D)[nc * nq * dim * i]; 154 155 DMFieldDSdot(cD,T->T[1],elem,nq,feDim,(nc * dim),(PetscScalar)); 156 } else { 157 PetscReal *cD = &((PetscReal *) D)[nc * nq * dim * i]; 158 159 DMFieldDSdot(cD,T->T[1],elem,nq,feDim,(nc * dim),PetscRealPart); 160 } 161 } 162 if (H) { 163 if (type == PETSC_SCALAR) { 164 PetscScalar *cH = &((PetscScalar *) H)[nc * nq * dim * dim * i]; 165 166 DMFieldDSdot(cH,T->T[2],elem,nq,feDim,(nc * dim * dim),(PetscScalar)); 167 } else { 168 PetscReal *cH = &((PetscReal *) H)[nc * nq * dim * dim * i]; 169 170 DMFieldDSdot(cH,T->T[2],elem,nq,feDim,(nc * dim * dim),PetscRealPart); 171 } 172 } 173 ierr = DMPlexVecRestoreClosure(dm,section,dsfield->vec,c,&closureSize,&elem);CHKERRQ(ierr); 174 } 175 ierr = PetscTabulationDestroy(&T);CHKERRQ(ierr); 176 } else SETERRQ(PetscObjectComm((PetscObject)field),PETSC_ERR_SUP,"Not implemented"); 177 if (!isStride) { 178 ierr = ISRestoreIndices(pointIS,&points);CHKERRQ(ierr); 179 } 180 PetscFunctionReturn(0); 181 } 182 183 static PetscErrorCode DMFieldEvaluate_DS(DMField field, Vec points, PetscDataType datatype, void *B, void *D, void *H) 184 { 185 DMField_DS *dsfield = (DMField_DS *) field->data; 186 PetscSF cellSF = NULL; 187 const PetscSFNode *cells; 188 PetscInt c, nFound, numCells, feDim, nc; 189 const PetscInt *cellDegrees; 190 const PetscScalar *pointsArray; 191 PetscScalar *cellPoints; 192 PetscInt gatherSize, gatherMax; 193 PetscInt dim, dimR, offset; 194 MPI_Datatype pointType; 195 PetscObject cellDisc; 196 PetscFE cellFE; 197 PetscClassId discID; 198 PetscReal *coordsReal, *coordsRef; 199 PetscSection section; 200 PetscScalar *cellBs = NULL, *cellDs = NULL, *cellHs = NULL; 201 PetscReal *cellBr = NULL, *cellDr = NULL, *cellHr = NULL; 202 PetscReal *v, *J, *invJ, *detJ; 203 PetscErrorCode ierr; 204 205 PetscFunctionBegin; 206 nc = field->numComponents; 207 ierr = DMGetLocalSection(field->dm,§ion);CHKERRQ(ierr); 208 ierr = DMFieldDSGetHeightDisc(field,0,&cellDisc);CHKERRQ(ierr); 209 ierr = PetscObjectGetClassId(cellDisc, &discID);CHKERRQ(ierr); 210 if (discID != PETSCFE_CLASSID) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB, "Discretization type not supported\n"); 211 cellFE = (PetscFE) cellDisc; 212 ierr = PetscFEGetDimension(cellFE,&feDim);CHKERRQ(ierr); 213 ierr = DMGetCoordinateDim(field->dm, &dim);CHKERRQ(ierr); 214 ierr = DMGetDimension(field->dm, &dimR);CHKERRQ(ierr); 215 ierr = DMLocatePoints(field->dm, points, DM_POINTLOCATION_NONE, &cellSF);CHKERRQ(ierr); 216 ierr = PetscSFGetGraph(cellSF, &numCells, &nFound, NULL, &cells);CHKERRQ(ierr); 217 for (c = 0; c < nFound; c++) { 218 if (cells[c].index < 0) SETERRQ1(PetscObjectComm((PetscObject)points),PETSC_ERR_ARG_WRONG, "Point %D could not be located\n", c); 219 } 220 ierr = PetscSFComputeDegreeBegin(cellSF,&cellDegrees);CHKERRQ(ierr); 221 ierr = PetscSFComputeDegreeEnd(cellSF,&cellDegrees);CHKERRQ(ierr); 222 for (c = 0, gatherSize = 0, gatherMax = 0; c < numCells; c++) { 223 gatherMax = PetscMax(gatherMax,cellDegrees[c]); 224 gatherSize += cellDegrees[c]; 225 } 226 ierr = PetscMalloc3(gatherSize*dim,&cellPoints,gatherMax*dim,&coordsReal,gatherMax*dimR,&coordsRef);CHKERRQ(ierr); 227 ierr = PetscMalloc4(gatherMax*dimR,&v,gatherMax*dimR*dimR,&J,gatherMax*dimR*dimR,&invJ,gatherMax,&detJ);CHKERRQ(ierr); 228 if (datatype == PETSC_SCALAR) { 229 ierr = PetscMalloc3(B ? nc * gatherSize : 0, &cellBs, D ? nc * dim * gatherSize : 0, &cellDs, H ? nc * dim * dim * gatherSize : 0, &cellHs);CHKERRQ(ierr); 230 } else { 231 ierr = PetscMalloc3(B ? nc * gatherSize : 0, &cellBr, D ? nc * dim * gatherSize : 0, &cellDr, H ? nc * dim * dim * gatherSize : 0, &cellHr);CHKERRQ(ierr); 232 } 233 234 ierr = MPI_Type_contiguous(dim,MPIU_SCALAR,&pointType);CHKERRMPI(ierr); 235 ierr = MPI_Type_commit(&pointType);CHKERRMPI(ierr); 236 ierr = VecGetArrayRead(points,&pointsArray);CHKERRQ(ierr); 237 ierr = PetscSFGatherBegin(cellSF, pointType, pointsArray, cellPoints);CHKERRQ(ierr); 238 ierr = PetscSFGatherEnd(cellSF, pointType, pointsArray, cellPoints);CHKERRQ(ierr); 239 ierr = VecRestoreArrayRead(points,&pointsArray);CHKERRQ(ierr); 240 for (c = 0, offset = 0; c < numCells; c++) { 241 PetscInt nq = cellDegrees[c], p; 242 243 if (nq) { 244 PetscInt K = H ? 2 : (D ? 1 : (B ? 0 : -1)); 245 PetscTabulation T; 246 PetscInt closureSize; 247 PetscScalar *elem = NULL; 248 PetscReal *quadPoints; 249 PetscQuadrature quad; 250 PetscInt d, e, f, g; 251 252 for (p = 0; p < dim * nq; p++) coordsReal[p] = PetscRealPart(cellPoints[dim * offset + p]); 253 ierr = DMPlexCoordinatesToReference(field->dm, c, nq, coordsReal, coordsRef);CHKERRQ(ierr); 254 ierr = PetscFECreateTabulation(cellFE,1,nq,coordsRef,K,&T);CHKERRQ(ierr); 255 ierr = PetscQuadratureCreate(PETSC_COMM_SELF, &quad);CHKERRQ(ierr); 256 ierr = PetscMalloc1(dimR * nq, &quadPoints);CHKERRQ(ierr); 257 for (p = 0; p < dimR * nq; p++) quadPoints[p] = coordsRef[p]; 258 ierr = PetscQuadratureSetData(quad, dimR, 0, nq, quadPoints, NULL);CHKERRQ(ierr); 259 ierr = DMPlexComputeCellGeometryFEM(field->dm, c, quad, v, J, invJ, detJ);CHKERRQ(ierr); 260 ierr = PetscQuadratureDestroy(&quad);CHKERRQ(ierr); 261 ierr = DMPlexVecGetClosure(field->dm,section,dsfield->vec,c,&closureSize,&elem);CHKERRQ(ierr); 262 if (B) { 263 if (datatype == PETSC_SCALAR) { 264 PetscScalar *cB = &cellBs[nc * offset]; 265 266 DMFieldDSdot(cB,T->T[0],elem,nq,feDim,nc,(PetscScalar)); 267 } else { 268 PetscReal *cB = &cellBr[nc * offset]; 269 270 DMFieldDSdot(cB,T->T[0],elem,nq,feDim,nc,PetscRealPart); 271 } 272 } 273 if (D) { 274 if (datatype == PETSC_SCALAR) { 275 PetscScalar *cD = &cellDs[nc * dim * offset]; 276 277 DMFieldDSdot(cD,T->T[1],elem,nq,feDim,(nc * dim),(PetscScalar)); 278 for (p = 0; p < nq; p++) { 279 for (g = 0; g < nc; g++) { 280 PetscScalar vs[3]; 281 282 for (d = 0; d < dimR; d++) { 283 vs[d] = 0.; 284 for (e = 0; e < dimR; e++) { 285 vs[d] += invJ[dimR * dimR * p + e * dimR + d] * cD[(nc * p + g) * dimR + e]; 286 } 287 } 288 for (d = 0; d < dimR; d++) { 289 cD[(nc * p + g) * dimR + d] = vs[d]; 290 } 291 } 292 } 293 } else { 294 PetscReal *cD = &cellDr[nc * dim * offset]; 295 296 DMFieldDSdot(cD,T->T[1],elem,nq,feDim,(nc * dim),PetscRealPart); 297 for (p = 0; p < nq; p++) { 298 for (g = 0; g < nc; g++) { 299 for (d = 0; d < dimR; d++) { 300 v[d] = 0.; 301 for (e = 0; e < dimR; e++) { 302 v[d] += invJ[dimR * dimR * p + e * dimR + d] * cD[(nc * p + g) * dimR + e]; 303 } 304 } 305 for (d = 0; d < dimR; d++) { 306 cD[(nc * p + g) * dimR + d] = v[d]; 307 } 308 } 309 } 310 } 311 } 312 if (H) { 313 if (datatype == PETSC_SCALAR) { 314 PetscScalar *cH = &cellHs[nc * dim * dim * offset]; 315 316 DMFieldDSdot(cH,T->T[2],elem,nq,feDim,(nc * dim * dim),(PetscScalar)); 317 for (p = 0; p < nq; p++) { 318 for (g = 0; g < nc * dimR; g++) { 319 PetscScalar vs[3]; 320 321 for (d = 0; d < dimR; d++) { 322 vs[d] = 0.; 323 for (e = 0; e < dimR; e++) { 324 vs[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[(nc * dimR * p + g) * dimR + e]; 325 } 326 } 327 for (d = 0; d < dimR; d++) { 328 cH[(nc * dimR * p + g) * dimR + d] = vs[d]; 329 } 330 } 331 for (g = 0; g < nc; g++) { 332 for (f = 0; f < dimR; f++) { 333 PetscScalar vs[3]; 334 335 for (d = 0; d < dimR; d++) { 336 vs[d] = 0.; 337 for (e = 0; e < dimR; e++) { 338 vs[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[((nc * p + g) * dimR + e) * dimR + f]; 339 } 340 } 341 for (d = 0; d < dimR; d++) { 342 cH[((nc * p + g) * dimR + d) * dimR + f] = vs[d]; 343 } 344 } 345 } 346 } 347 } else { 348 PetscReal *cH = &cellHr[nc * dim * dim * offset]; 349 350 DMFieldDSdot(cH,T->T[2],elem,nq,feDim,(nc * dim * dim),PetscRealPart); 351 for (p = 0; p < nq; p++) { 352 for (g = 0; g < nc * dimR; g++) { 353 for (d = 0; d < dimR; d++) { 354 v[d] = 0.; 355 for (e = 0; e < dimR; e++) { 356 v[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[(nc * dimR * p + g) * dimR + e]; 357 } 358 } 359 for (d = 0; d < dimR; d++) { 360 cH[(nc * dimR * p + g) * dimR + d] = v[d]; 361 } 362 } 363 for (g = 0; g < nc; g++) { 364 for (f = 0; f < dimR; f++) { 365 for (d = 0; d < dimR; d++) { 366 v[d] = 0.; 367 for (e = 0; e < dimR; e++) { 368 v[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[((nc * p + g) * dimR + e) * dimR + f]; 369 } 370 } 371 for (d = 0; d < dimR; d++) { 372 cH[((nc * p + g) * dimR + d) * dimR + f] = v[d]; 373 } 374 } 375 } 376 } 377 } 378 } 379 ierr = DMPlexVecRestoreClosure(field->dm,section,dsfield->vec,c,&closureSize,&elem);CHKERRQ(ierr); 380 ierr = PetscTabulationDestroy(&T);CHKERRQ(ierr); 381 } 382 offset += nq; 383 } 384 { 385 MPI_Datatype origtype; 386 387 if (datatype == PETSC_SCALAR) { 388 origtype = MPIU_SCALAR; 389 } else { 390 origtype = MPIU_REAL; 391 } 392 if (B) { 393 MPI_Datatype Btype; 394 395 ierr = MPI_Type_contiguous(nc, origtype, &Btype);CHKERRMPI(ierr); 396 ierr = MPI_Type_commit(&Btype);CHKERRMPI(ierr); 397 ierr = PetscSFScatterBegin(cellSF,Btype,(datatype == PETSC_SCALAR) ? (void *) cellBs : (void *) cellBr, B);CHKERRQ(ierr); 398 ierr = PetscSFScatterEnd(cellSF,Btype,(datatype == PETSC_SCALAR) ? (void *) cellBs : (void *) cellBr, B);CHKERRQ(ierr); 399 ierr = MPI_Type_free(&Btype);CHKERRMPI(ierr); 400 } 401 if (D) { 402 MPI_Datatype Dtype; 403 404 ierr = MPI_Type_contiguous(nc * dim, origtype, &Dtype);CHKERRMPI(ierr); 405 ierr = MPI_Type_commit(&Dtype);CHKERRMPI(ierr); 406 ierr = PetscSFScatterBegin(cellSF,Dtype,(datatype == PETSC_SCALAR) ? (void *) cellDs : (void *) cellDr, D);CHKERRQ(ierr); 407 ierr = PetscSFScatterEnd(cellSF,Dtype,(datatype == PETSC_SCALAR) ? (void *) cellDs : (void *) cellDr, D);CHKERRQ(ierr); 408 ierr = MPI_Type_free(&Dtype);CHKERRMPI(ierr); 409 } 410 if (H) { 411 MPI_Datatype Htype; 412 413 ierr = MPI_Type_contiguous(nc * dim * dim, origtype, &Htype);CHKERRMPI(ierr); 414 ierr = MPI_Type_commit(&Htype);CHKERRMPI(ierr); 415 ierr = PetscSFScatterBegin(cellSF,Htype,(datatype == PETSC_SCALAR) ? (void *) cellHs : (void *) cellHr, H);CHKERRQ(ierr); 416 ierr = PetscSFScatterEnd(cellSF,Htype,(datatype == PETSC_SCALAR) ? (void *) cellHs : (void *) cellHr, H);CHKERRQ(ierr); 417 ierr = MPI_Type_free(&Htype);CHKERRMPI(ierr); 418 } 419 } 420 ierr = PetscFree4(v,J,invJ,detJ);CHKERRQ(ierr); 421 ierr = PetscFree3(cellBr, cellDr, cellHr);CHKERRQ(ierr); 422 ierr = PetscFree3(cellBs, cellDs, cellHs);CHKERRQ(ierr); 423 ierr = PetscFree3(cellPoints,coordsReal,coordsRef);CHKERRQ(ierr); 424 ierr = MPI_Type_free(&pointType);CHKERRMPI(ierr); 425 ierr = PetscSFDestroy(&cellSF);CHKERRQ(ierr); 426 PetscFunctionReturn(0); 427 } 428 429 static PetscErrorCode DMFieldEvaluateFV_DS(DMField field, IS pointIS, PetscDataType type, void *B, void *D, void *H) 430 { 431 DMField_DS *dsfield = (DMField_DS *) field->data; 432 PetscInt h, imin; 433 PetscInt dim; 434 PetscClassId id; 435 PetscQuadrature quad = NULL; 436 PetscInt maxDegree; 437 PetscFEGeom *geom; 438 PetscInt Nq, Nc, dimC, qNc, N; 439 PetscInt numPoints; 440 void *qB = NULL, *qD = NULL, *qH = NULL; 441 const PetscReal *weights; 442 MPI_Datatype mpitype = type == PETSC_SCALAR ? MPIU_SCALAR : MPIU_REAL; 443 PetscObject disc; 444 DMField coordField; 445 PetscErrorCode ierr; 446 447 PetscFunctionBegin; 448 Nc = field->numComponents; 449 ierr = DMGetCoordinateDim(field->dm, &dimC);CHKERRQ(ierr); 450 ierr = DMGetDimension(field->dm, &dim);CHKERRQ(ierr); 451 ierr = ISGetLocalSize(pointIS, &numPoints);CHKERRQ(ierr); 452 ierr = ISGetMinMax(pointIS,&imin,NULL);CHKERRQ(ierr); 453 for (h = 0; h < dsfield->height; h++) { 454 PetscInt hEnd; 455 456 ierr = DMPlexGetHeightStratum(field->dm,h,NULL,&hEnd);CHKERRQ(ierr); 457 if (imin < hEnd) break; 458 } 459 dim -= h; 460 ierr = DMFieldDSGetHeightDisc(field,h,&disc);CHKERRQ(ierr); 461 ierr = PetscObjectGetClassId(disc,&id);CHKERRQ(ierr); 462 if (id != PETSCFE_CLASSID) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Discretization not supported\n"); 463 ierr = DMGetCoordinateField(field->dm, &coordField);CHKERRQ(ierr); 464 ierr = DMFieldGetDegree(coordField, pointIS, NULL, &maxDegree);CHKERRQ(ierr); 465 if (maxDegree <= 1) { 466 ierr = DMFieldCreateDefaultQuadrature(coordField, pointIS, &quad);CHKERRQ(ierr); 467 } 468 if (!quad) {ierr = DMFieldCreateDefaultQuadrature(field, pointIS, &quad);CHKERRQ(ierr);} 469 if (!quad) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Could not determine quadrature for cell averages\n"); 470 ierr = DMFieldCreateFEGeom(coordField,pointIS,quad,PETSC_FALSE,&geom);CHKERRQ(ierr); 471 ierr = PetscQuadratureGetData(quad, NULL, &qNc, &Nq, NULL, &weights);CHKERRQ(ierr); 472 if (qNc != 1) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Expected scalar quadrature components\n"); 473 N = numPoints * Nq * Nc; 474 if (B) {ierr = DMGetWorkArray(field->dm, N, mpitype, &qB);CHKERRQ(ierr);} 475 if (D) {ierr = DMGetWorkArray(field->dm, N * dimC, mpitype, &qD);CHKERRQ(ierr);} 476 if (H) {ierr = DMGetWorkArray(field->dm, N * dimC * dimC, mpitype, &qH);CHKERRQ(ierr);} 477 ierr = DMFieldEvaluateFE(field,pointIS,quad,type,qB,qD,qH);CHKERRQ(ierr); 478 if (B) { 479 PetscInt i, j, k; 480 481 if (type == PETSC_SCALAR) { 482 PetscScalar * sB = (PetscScalar *) B; 483 PetscScalar * sqB = (PetscScalar *) qB; 484 485 for (i = 0; i < numPoints; i++) { 486 PetscReal vol = 0.; 487 488 for (j = 0; j < Nc; j++) {sB[i * Nc + j] = 0.;} 489 for (k = 0; k < Nq; k++) { 490 vol += geom->detJ[i * Nq + k] * weights[k]; 491 for (j = 0; j < Nc; j++) { 492 sB[i * Nc + j] += geom->detJ[i * Nq + k] * weights[k] * sqB[ (i * Nq + k) * Nc + j]; 493 } 494 } 495 for (k = 0; k < Nc; k++) sB[i * Nc + k] /= vol; 496 } 497 } else { 498 PetscReal * rB = (PetscReal *) B; 499 PetscReal * rqB = (PetscReal *) qB; 500 501 for (i = 0; i < numPoints; i++) { 502 PetscReal vol = 0.; 503 504 for (j = 0; j < Nc; j++) {rB[i * Nc + j] = 0.;} 505 for (k = 0; k < Nq; k++) { 506 vol += geom->detJ[i * Nq + k] * weights[k]; 507 for (j = 0; j < Nc; j++) { 508 rB[i * Nc + j] += weights[k] * rqB[ (i * Nq + k) * Nc + j]; 509 } 510 } 511 for (k = 0; k < Nc; k++) rB[i * Nc + k] /= vol; 512 } 513 } 514 } 515 if (D) { 516 PetscInt i, j, k, l, m; 517 518 if (type == PETSC_SCALAR) { 519 PetscScalar * sD = (PetscScalar *) D; 520 PetscScalar * sqD = (PetscScalar *) qD; 521 522 for (i = 0; i < numPoints; i++) { 523 PetscReal vol = 0.; 524 525 for (j = 0; j < Nc * dimC; j++) {sD[i * Nc * dimC + j] = 0.;} 526 for (k = 0; k < Nq; k++) { 527 vol += geom->detJ[i * Nq + k] * weights[k]; 528 for (j = 0; j < Nc; j++) { 529 PetscScalar pD[3] = {0.,0.,0.}; 530 531 for (l = 0; l < dimC; l++) { 532 for (m = 0; m < dim; m++) { 533 pD[l] += geom->invJ[((i * Nq + k) * dimC + m) * dimC + l] * sqD[((i * Nq + k) * Nc + j) * dim + m]; 534 } 535 } 536 for (l = 0; l < dimC; l++) { 537 sD[(i * Nc + j) * dimC + l] += geom->detJ[i * Nq + k] * weights[k] * pD[l]; 538 } 539 } 540 } 541 for (k = 0; k < Nc * dimC; k++) sD[i * Nc * dimC + k] /= vol; 542 } 543 } else { 544 PetscReal * rD = (PetscReal *) D; 545 PetscReal * rqD = (PetscReal *) qD; 546 547 for (i = 0; i < numPoints; i++) { 548 PetscReal vol = 0.; 549 550 for (j = 0; j < Nc * dimC; j++) {rD[i * Nc * dimC + j] = 0.;} 551 for (k = 0; k < Nq; k++) { 552 vol += geom->detJ[i * Nq + k] * weights[k]; 553 for (j = 0; j < Nc; j++) { 554 PetscReal pD[3] = {0.,0.,0.}; 555 556 for (l = 0; l < dimC; l++) { 557 for (m = 0; m < dim; m++) { 558 pD[l] += geom->invJ[((i * Nq + k) * dimC + m) * dimC + l] * rqD[((i * Nq + k) * Nc + j) * dim + m]; 559 } 560 } 561 for (l = 0; l < dimC; l++) { 562 rD[(i * Nc + j) * dimC + l] += geom->detJ[i * Nq + k] * weights[k] * pD[l]; 563 } 564 } 565 } 566 for (k = 0; k < Nc * dimC; k++) rD[i * Nc * dimC + k] /= vol; 567 } 568 } 569 } 570 if (H) { 571 PetscInt i, j, k, l, m, q, r; 572 573 if (type == PETSC_SCALAR) { 574 PetscScalar * sH = (PetscScalar *) H; 575 PetscScalar * sqH = (PetscScalar *) qH; 576 577 for (i = 0; i < numPoints; i++) { 578 PetscReal vol = 0.; 579 580 for (j = 0; j < Nc * dimC * dimC; j++) {sH[i * Nc * dimC * dimC + j] = 0.;} 581 for (k = 0; k < Nq; k++) { 582 const PetscReal *invJ = &geom->invJ[(i * Nq + k) * dimC * dimC]; 583 584 vol += geom->detJ[i * Nq + k] * weights[k]; 585 for (j = 0; j < Nc; j++) { 586 PetscScalar pH[3][3] = {{0.,0.,0.},{0.,0.,0.},{0.,0.,0.}}; 587 const PetscScalar *spH = &sqH[((i * Nq + k) * Nc + j) * dimC * dimC]; 588 589 for (l = 0; l < dimC; l++) { 590 for (m = 0; m < dimC; m++) { 591 for (q = 0; q < dim; q++) { 592 for (r = 0; r < dim; r++) { 593 pH[l][m] += invJ[q * dimC + l] * invJ[r * dimC + m] * spH[q * dim + r]; 594 } 595 } 596 } 597 } 598 for (l = 0; l < dimC; l++) { 599 for (m = 0; m < dimC; m++) { 600 sH[(i * Nc + j) * dimC * dimC + l * dimC + m] += geom->detJ[i * Nq + k] * weights[k] * pH[l][m]; 601 } 602 } 603 } 604 } 605 for (k = 0; k < Nc * dimC * dimC; k++) sH[i * Nc * dimC * dimC + k] /= vol; 606 } 607 } else { 608 PetscReal * rH = (PetscReal *) H; 609 PetscReal * rqH = (PetscReal *) qH; 610 611 for (i = 0; i < numPoints; i++) { 612 PetscReal vol = 0.; 613 614 for (j = 0; j < Nc * dimC * dimC; j++) {rH[i * Nc * dimC * dimC + j] = 0.;} 615 for (k = 0; k < Nq; k++) { 616 const PetscReal *invJ = &geom->invJ[(i * Nq + k) * dimC * dimC]; 617 618 vol += geom->detJ[i * Nq + k] * weights[k]; 619 for (j = 0; j < Nc; j++) { 620 PetscReal pH[3][3] = {{0.,0.,0.},{0.,0.,0.},{0.,0.,0.}}; 621 const PetscReal *rpH = &rqH[((i * Nq + k) * Nc + j) * dimC * dimC]; 622 623 for (l = 0; l < dimC; l++) { 624 for (m = 0; m < dimC; m++) { 625 for (q = 0; q < dim; q++) { 626 for (r = 0; r < dim; r++) { 627 pH[l][m] += invJ[q * dimC + l] * invJ[r * dimC + m] * rpH[q * dim + r]; 628 } 629 } 630 } 631 } 632 for (l = 0; l < dimC; l++) { 633 for (m = 0; m < dimC; m++) { 634 rH[(i * Nc + j) * dimC * dimC + l * dimC + m] += geom->detJ[i * Nq + k] * weights[k] * pH[l][m]; 635 } 636 } 637 } 638 } 639 for (k = 0; k < Nc * dimC * dimC; k++) rH[i * Nc * dimC * dimC + k] /= vol; 640 } 641 } 642 } 643 if (B) {ierr = DMRestoreWorkArray(field->dm, N, mpitype, &qB);CHKERRQ(ierr);} 644 if (D) {ierr = DMRestoreWorkArray(field->dm, N * dimC, mpitype, &qD);CHKERRQ(ierr);} 645 if (H) {ierr = DMRestoreWorkArray(field->dm, N * dimC * dimC, mpitype, &qH);CHKERRQ(ierr);} 646 ierr = PetscFEGeomDestroy(&geom);CHKERRQ(ierr); 647 ierr = PetscQuadratureDestroy(&quad);CHKERRQ(ierr); 648 PetscFunctionReturn(0); 649 } 650 651 static PetscErrorCode DMFieldGetDegree_DS(DMField field, IS pointIS, PetscInt *minDegree, PetscInt *maxDegree) 652 { 653 DMField_DS *dsfield; 654 PetscObject disc; 655 PetscInt h, imin, imax; 656 PetscClassId id; 657 PetscErrorCode ierr; 658 659 PetscFunctionBegin; 660 dsfield = (DMField_DS *) field->data; 661 ierr = ISGetMinMax(pointIS,&imin,&imax);CHKERRQ(ierr); 662 if (imin >= imax) { 663 h = 0; 664 } else { 665 for (h = 0; h < dsfield->height; h++) { 666 PetscInt hEnd; 667 668 ierr = DMPlexGetHeightStratum(field->dm,h,NULL,&hEnd);CHKERRQ(ierr); 669 if (imin < hEnd) break; 670 } 671 } 672 ierr = DMFieldDSGetHeightDisc(field,h,&disc);CHKERRQ(ierr); 673 ierr = PetscObjectGetClassId(disc,&id);CHKERRQ(ierr); 674 if (id == PETSCFE_CLASSID) { 675 PetscFE fe = (PetscFE) disc; 676 PetscSpace sp; 677 678 ierr = PetscFEGetBasisSpace(fe, &sp);CHKERRQ(ierr); 679 ierr = PetscSpaceGetDegree(sp, minDegree, maxDegree);CHKERRQ(ierr); 680 } 681 PetscFunctionReturn(0); 682 } 683 684 static PetscErrorCode DMFieldCreateDefaultQuadrature_DS(DMField field, IS pointIS, PetscQuadrature *quad) 685 { 686 PetscInt h, dim, imax, imin, cellHeight; 687 DM dm; 688 DMField_DS *dsfield; 689 PetscObject disc; 690 PetscFE fe; 691 PetscClassId id; 692 PetscErrorCode ierr; 693 694 PetscFunctionBegin; 695 dm = field->dm; 696 dsfield = (DMField_DS *) field->data; 697 ierr = ISGetMinMax(pointIS,&imin,&imax);CHKERRQ(ierr); 698 ierr = DMGetDimension(dm,&dim);CHKERRQ(ierr); 699 for (h = 0; h <= dim; h++) { 700 PetscInt hStart, hEnd; 701 702 ierr = DMPlexGetHeightStratum(dm,h,&hStart,&hEnd);CHKERRQ(ierr); 703 if (imax >= hStart && imin < hEnd) break; 704 } 705 ierr = DMPlexGetVTKCellHeight(dm, &cellHeight);CHKERRQ(ierr); 706 h -= cellHeight; 707 *quad = NULL; 708 if (h < dsfield->height) { 709 ierr = DMFieldDSGetHeightDisc(field,h,&disc);CHKERRQ(ierr); 710 ierr = PetscObjectGetClassId(disc,&id);CHKERRQ(ierr); 711 if (id != PETSCFE_CLASSID) PetscFunctionReturn(0); 712 fe = (PetscFE) disc; 713 ierr = PetscFEGetQuadrature(fe,quad);CHKERRQ(ierr); 714 ierr = PetscObjectReference((PetscObject)*quad);CHKERRQ(ierr); 715 } 716 PetscFunctionReturn(0); 717 } 718 719 static PetscErrorCode DMFieldComputeFaceData_DS(DMField field, IS pointIS, PetscQuadrature quad, PetscFEGeom *geom) 720 { 721 const PetscInt *points; 722 PetscInt p, dim, dE, numFaces, Nq; 723 PetscInt maxDegree; 724 DMLabel depthLabel; 725 IS cellIS; 726 DM dm = field->dm; 727 PetscErrorCode ierr; 728 729 PetscFunctionBegin; 730 dim = geom->dim; 731 dE = geom->dimEmbed; 732 ierr = DMPlexGetDepthLabel(dm, &depthLabel);CHKERRQ(ierr); 733 ierr = DMLabelGetStratumIS(depthLabel, dim + 1, &cellIS);CHKERRQ(ierr); 734 ierr = DMFieldGetDegree(field,cellIS,NULL,&maxDegree);CHKERRQ(ierr); 735 ierr = ISGetIndices(pointIS, &points);CHKERRQ(ierr); 736 numFaces = geom->numCells; 737 Nq = geom->numPoints; 738 /* First, set local faces and flip normals so that they are outward for the first supporting cell */ 739 for (p = 0; p < numFaces; p++) { 740 PetscInt point = points[p]; 741 PetscInt suppSize, s, coneSize, c, numChildren; 742 const PetscInt *supp, *cone, *ornt; 743 744 ierr = DMPlexGetTreeChildren(dm, point, &numChildren, NULL);CHKERRQ(ierr); 745 if (numChildren) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Face data not valid for facets with children"); 746 ierr = DMPlexGetSupportSize(dm, point, &suppSize);CHKERRQ(ierr); 747 if (suppSize > 2) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Point %D has %D support, expected at most 2\n", point, suppSize); 748 if (!suppSize) continue; 749 ierr = DMPlexGetSupport(dm, point, &supp);CHKERRQ(ierr); 750 for (s = 0; s < suppSize; ++s) { 751 ierr = DMPlexGetConeSize(dm, supp[s], &coneSize);CHKERRQ(ierr); 752 ierr = DMPlexGetCone(dm, supp[s], &cone);CHKERRQ(ierr); 753 for (c = 0; c < coneSize; ++c) if (cone[c] == point) break; 754 if (c == coneSize) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Invalid connectivity: point %D not found in cone of support point %D", point, supp[s]); 755 geom->face[p][s] = c; 756 } 757 ierr = DMPlexGetConeOrientation(dm, supp[0], &ornt);CHKERRQ(ierr); 758 if (ornt[geom->face[p][0]] < 0) { 759 PetscInt Np = geom->numPoints, q, dE = geom->dimEmbed, d; 760 761 for (q = 0; q < Np; ++q) for (d = 0; d < dE; ++d) geom->n[(p*Np + q)*dE + d] = -geom->n[(p*Np + q)*dE + d]; 762 } 763 } 764 if (maxDegree <= 1) { 765 PetscInt numCells, offset, *cells; 766 PetscFEGeom *cellGeom; 767 IS suppIS; 768 769 for (p = 0, numCells = 0; p < numFaces; p++) { 770 PetscInt point = points[p]; 771 PetscInt numSupp, numChildren; 772 773 ierr = DMPlexGetTreeChildren(dm, point, &numChildren, NULL);CHKERRQ(ierr); 774 if (numChildren) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Face data not valid for facets with children"); 775 ierr = DMPlexGetSupportSize(dm, point,&numSupp);CHKERRQ(ierr); 776 if (numSupp > 2) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Point %D has %D support, expected at most 2\n", point, numSupp); 777 numCells += numSupp; 778 } 779 ierr = PetscMalloc1(numCells, &cells);CHKERRQ(ierr); 780 for (p = 0, offset = 0; p < numFaces; p++) { 781 PetscInt point = points[p]; 782 PetscInt numSupp, s; 783 const PetscInt *supp; 784 785 ierr = DMPlexGetSupportSize(dm, point,&numSupp);CHKERRQ(ierr); 786 ierr = DMPlexGetSupport(dm, point, &supp);CHKERRQ(ierr); 787 for (s = 0; s < numSupp; s++, offset++) { 788 cells[offset] = supp[s]; 789 } 790 } 791 ierr = ISCreateGeneral(PETSC_COMM_SELF,numCells,cells,PETSC_USE_POINTER, &suppIS);CHKERRQ(ierr); 792 ierr = DMFieldCreateFEGeom(field,suppIS,quad,PETSC_FALSE,&cellGeom);CHKERRQ(ierr); 793 for (p = 0, offset = 0; p < numFaces; p++) { 794 PetscInt point = points[p]; 795 PetscInt numSupp, s, q; 796 const PetscInt *supp; 797 798 ierr = DMPlexGetSupportSize(dm, point,&numSupp);CHKERRQ(ierr); 799 ierr = DMPlexGetSupport(dm, point, &supp);CHKERRQ(ierr); 800 for (s = 0; s < numSupp; s++, offset++) { 801 for (q = 0; q < Nq * dE * dE; q++) { 802 geom->suppJ[s][p * Nq * dE * dE + q] = cellGeom->J[offset * Nq * dE * dE + q]; 803 geom->suppInvJ[s][p * Nq * dE * dE + q] = cellGeom->invJ[offset * Nq * dE * dE + q]; 804 } 805 for (q = 0; q < Nq; q++) geom->suppDetJ[s][p * Nq + q] = cellGeom->detJ[offset * Nq + q]; 806 } 807 } 808 ierr = PetscFEGeomDestroy(&cellGeom);CHKERRQ(ierr); 809 ierr = ISDestroy(&suppIS);CHKERRQ(ierr); 810 ierr = PetscFree(cells);CHKERRQ(ierr); 811 } else { 812 PetscObject faceDisc, cellDisc; 813 PetscClassId faceId, cellId; 814 PetscDualSpace dsp; 815 DM K; 816 DMPolytopeType ct; 817 PetscInt (*co)[2][3]; 818 PetscInt coneSize; 819 PetscInt **counts; 820 PetscInt f, i, o, q, s; 821 const PetscInt *coneK; 822 PetscInt eStart, minOrient, maxOrient, numOrient; 823 PetscInt *orients; 824 PetscReal **orientPoints; 825 PetscReal *cellPoints; 826 PetscReal *dummyWeights; 827 PetscQuadrature cellQuad = NULL; 828 829 ierr = DMFieldDSGetHeightDisc(field, 1, &faceDisc);CHKERRQ(ierr); 830 ierr = DMFieldDSGetHeightDisc(field, 0, &cellDisc);CHKERRQ(ierr); 831 ierr = PetscObjectGetClassId(faceDisc,&faceId);CHKERRQ(ierr); 832 ierr = PetscObjectGetClassId(cellDisc,&cellId);CHKERRQ(ierr); 833 if (faceId != PETSCFE_CLASSID || cellId != PETSCFE_CLASSID) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Not supported\n"); 834 ierr = PetscFEGetDualSpace((PetscFE)cellDisc, &dsp);CHKERRQ(ierr); 835 ierr = PetscDualSpaceGetDM(dsp, &K);CHKERRQ(ierr); 836 ierr = DMPlexGetHeightStratum(K, 1, &eStart, NULL);CHKERRQ(ierr); 837 ierr = DMPlexGetCellType(K, eStart, &ct);CHKERRQ(ierr); 838 ierr = DMPlexGetConeSize(K,0,&coneSize);CHKERRQ(ierr); 839 ierr = DMPlexGetCone(K,0,&coneK);CHKERRQ(ierr); 840 ierr = PetscMalloc2(numFaces, &co, coneSize, &counts);CHKERRQ(ierr); 841 ierr = PetscMalloc1(dE*Nq, &cellPoints);CHKERRQ(ierr); 842 ierr = PetscMalloc1(Nq, &dummyWeights);CHKERRQ(ierr); 843 ierr = PetscQuadratureCreate(PETSC_COMM_SELF, &cellQuad);CHKERRQ(ierr); 844 ierr = PetscQuadratureSetData(cellQuad, dE, 1, Nq, cellPoints, dummyWeights);CHKERRQ(ierr); 845 minOrient = PETSC_MAX_INT; 846 maxOrient = PETSC_MIN_INT; 847 for (p = 0; p < numFaces; p++) { /* record the orientation of the facet wrt the support cells */ 848 PetscInt point = points[p]; 849 PetscInt numSupp, numChildren; 850 const PetscInt *supp; 851 852 ierr = DMPlexGetTreeChildren(dm, point, &numChildren, NULL);CHKERRQ(ierr); 853 if (numChildren) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Face data not valid for facets with children"); 854 ierr = DMPlexGetSupportSize(dm, point,&numSupp);CHKERRQ(ierr); 855 if (numSupp > 2) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Point %D has %D support, expected at most 2\n", point, numSupp); 856 ierr = DMPlexGetSupport(dm, point, &supp);CHKERRQ(ierr); 857 for (s = 0; s < numSupp; s++) { 858 PetscInt cell = supp[s]; 859 PetscInt numCone; 860 const PetscInt *cone, *orient; 861 862 ierr = DMPlexGetConeSize(dm, cell, &numCone);CHKERRQ(ierr); 863 if (numCone != coneSize) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Support point does not match reference element"); 864 ierr = DMPlexGetCone(dm, cell, &cone);CHKERRQ(ierr); 865 ierr = DMPlexGetConeOrientation(dm, cell, &orient);CHKERRQ(ierr); 866 for (f = 0; f < coneSize; f++) { 867 if (cone[f] == point) break; 868 } 869 co[p][s][0] = f; 870 co[p][s][1] = orient[f]; 871 co[p][s][2] = cell; 872 minOrient = PetscMin(minOrient, orient[f]); 873 maxOrient = PetscMax(maxOrient, orient[f]); 874 } 875 for (; s < 2; s++) { 876 co[p][s][0] = -1; 877 co[p][s][1] = -1; 878 co[p][s][2] = -1; 879 } 880 } 881 numOrient = maxOrient + 1 - minOrient; 882 ierr = DMPlexGetCone(K,0,&coneK);CHKERRQ(ierr); 883 /* count all (face,orientation) doubles that appear */ 884 ierr = PetscCalloc2(numOrient,&orients,numOrient,&orientPoints);CHKERRQ(ierr); 885 for (f = 0; f < coneSize; f++) {ierr = PetscCalloc1(numOrient+1, &counts[f]);CHKERRQ(ierr);} 886 for (p = 0; p < numFaces; p++) { 887 for (s = 0; s < 2; s++) { 888 if (co[p][s][0] >= 0) { 889 counts[co[p][s][0]][co[p][s][1] - minOrient]++; 890 orients[co[p][s][1] - minOrient]++; 891 } 892 } 893 } 894 for (o = 0; o < numOrient; o++) { 895 if (orients[o]) { 896 PetscInt orient = o + minOrient; 897 PetscInt q; 898 899 ierr = PetscMalloc1(Nq * dim, &orientPoints[o]);CHKERRQ(ierr); 900 /* rotate the quadrature points appropriately */ 901 switch (ct) { 902 case DM_POLYTOPE_POINT: break; 903 case DM_POLYTOPE_SEGMENT: 904 if (orient == -2 || orient == 1) { 905 for (q = 0; q < Nq; q++) { 906 orientPoints[o][q] = -geom->xi[q]; 907 } 908 } else { 909 for (q = 0; q < Nq; q++) { 910 orientPoints[o][q] = geom->xi[q]; 911 } 912 } 913 break; 914 case DM_POLYTOPE_TRIANGLE: 915 for (q = 0; q < Nq; q++) { 916 PetscReal lambda[3]; 917 PetscReal lambdao[3]; 918 919 /* convert to barycentric */ 920 lambda[0] = - (geom->xi[2 * q] + geom->xi[2 * q + 1]) / 2.; 921 lambda[1] = (geom->xi[2 * q] + 1.) / 2.; 922 lambda[2] = (geom->xi[2 * q + 1] + 1.) / 2.; 923 if (orient >= 0) { 924 for (i = 0; i < 3; i++) { 925 lambdao[i] = lambda[(orient + i) % 3]; 926 } 927 } else { 928 for (i = 0; i < 3; i++) { 929 lambdao[i] = lambda[(-(orient + i) + 3) % 3]; 930 } 931 } 932 /* convert to coordinates */ 933 orientPoints[o][2 * q + 0] = -(lambdao[0] + lambdao[2]) + lambdao[1]; 934 orientPoints[o][2 * q + 1] = -(lambdao[0] + lambdao[1]) + lambdao[2]; 935 } 936 break; 937 case DM_POLYTOPE_QUADRILATERAL: 938 for (q = 0; q < Nq; q++) { 939 PetscReal xi[2], xio[2]; 940 PetscInt oabs = (orient >= 0) ? orient : -(orient + 1); 941 942 xi[0] = geom->xi[2 * q]; 943 xi[1] = geom->xi[2 * q + 1]; 944 switch (oabs) { 945 case 1: 946 xio[0] = xi[1]; 947 xio[1] = -xi[0]; 948 break; 949 case 2: 950 xio[0] = -xi[0]; 951 xio[1] = -xi[1]; 952 case 3: 953 xio[0] = -xi[1]; 954 xio[1] = xi[0]; 955 case 0: 956 default: 957 xio[0] = xi[0]; 958 xio[1] = xi[1]; 959 break; 960 } 961 if (orient < 0) { 962 xio[0] = -xio[0]; 963 } 964 orientPoints[o][2 * q + 0] = xio[0]; 965 orientPoints[o][2 * q + 1] = xio[1]; 966 } 967 break; 968 default: SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Cell type %s not yet supported\n", DMPolytopeTypes[ct]); 969 } 970 } 971 } 972 for (f = 0; f < coneSize; f++) { 973 PetscInt face = coneK[f]; 974 PetscReal v0[3]; 975 PetscReal J[9], detJ; 976 PetscInt numCells, offset; 977 PetscInt *cells; 978 IS suppIS; 979 980 ierr = DMPlexComputeCellGeometryFEM(K, face, NULL, v0, J, NULL, &detJ);CHKERRQ(ierr); 981 for (o = 0; o <= numOrient; o++) { 982 PetscFEGeom *cellGeom; 983 984 if (!counts[f][o]) continue; 985 /* If this (face,orientation) double appears, 986 * convert the face quadrature points into volume quadrature points */ 987 for (q = 0; q < Nq; q++) { 988 PetscReal xi0[3] = {-1., -1., -1.}; 989 990 CoordinatesRefToReal(dE, dim, xi0, v0, J, &orientPoints[o][dim * q + 0], &cellPoints[dE * q + 0]); 991 } 992 for (p = 0, numCells = 0; p < numFaces; p++) { 993 for (s = 0; s < 2; s++) { 994 if (co[p][s][0] == f && co[p][s][1] == o + minOrient) numCells++; 995 } 996 } 997 ierr = PetscMalloc1(numCells, &cells);CHKERRQ(ierr); 998 for (p = 0, offset = 0; p < numFaces; p++) { 999 for (s = 0; s < 2; s++) { 1000 if (co[p][s][0] == f && co[p][s][1] == o + minOrient) { 1001 cells[offset++] = co[p][s][2]; 1002 } 1003 } 1004 } 1005 ierr = ISCreateGeneral(PETSC_COMM_SELF,numCells,cells,PETSC_USE_POINTER, &suppIS);CHKERRQ(ierr); 1006 ierr = DMFieldCreateFEGeom(field,suppIS,cellQuad,PETSC_FALSE,&cellGeom);CHKERRQ(ierr); 1007 for (p = 0, offset = 0; p < numFaces; p++) { 1008 for (s = 0; s < 2; s++) { 1009 if (co[p][s][0] == f && co[p][s][1] == o + minOrient) { 1010 for (q = 0; q < Nq * dE * dE; q++) { 1011 geom->suppJ[s][p * Nq * dE * dE + q] = cellGeom->J[offset * Nq * dE * dE + q]; 1012 geom->suppInvJ[s][p * Nq * dE * dE + q] = cellGeom->invJ[offset * Nq * dE * dE + q]; 1013 } 1014 for (q = 0; q < Nq; q++) geom->suppDetJ[s][p * Nq + q] = cellGeom->detJ[offset * Nq + q]; 1015 offset++; 1016 } 1017 } 1018 } 1019 ierr = PetscFEGeomDestroy(&cellGeom);CHKERRQ(ierr); 1020 ierr = ISDestroy(&suppIS);CHKERRQ(ierr); 1021 ierr = PetscFree(cells);CHKERRQ(ierr); 1022 } 1023 } 1024 for (o = 0; o < numOrient; o++) { 1025 if (orients[o]) { 1026 ierr = PetscFree(orientPoints[o]);CHKERRQ(ierr); 1027 } 1028 } 1029 ierr = PetscFree2(orients,orientPoints);CHKERRQ(ierr); 1030 ierr = PetscQuadratureDestroy(&cellQuad);CHKERRQ(ierr); 1031 for (f = 0; f < coneSize; f++) {ierr = PetscFree(counts[f]);CHKERRQ(ierr);} 1032 ierr = PetscFree2(co,counts);CHKERRQ(ierr); 1033 } 1034 ierr = ISRestoreIndices(pointIS, &points);CHKERRQ(ierr); 1035 ierr = ISDestroy(&cellIS);CHKERRQ(ierr); 1036 PetscFunctionReturn(0); 1037 } 1038 1039 static PetscErrorCode DMFieldInitialize_DS(DMField field) 1040 { 1041 PetscFunctionBegin; 1042 field->ops->destroy = DMFieldDestroy_DS; 1043 field->ops->evaluate = DMFieldEvaluate_DS; 1044 field->ops->evaluateFE = DMFieldEvaluateFE_DS; 1045 field->ops->evaluateFV = DMFieldEvaluateFV_DS; 1046 field->ops->getDegree = DMFieldGetDegree_DS; 1047 field->ops->createDefaultQuadrature = DMFieldCreateDefaultQuadrature_DS; 1048 field->ops->view = DMFieldView_DS; 1049 field->ops->computeFaceData = DMFieldComputeFaceData_DS; 1050 PetscFunctionReturn(0); 1051 } 1052 1053 PETSC_INTERN PetscErrorCode DMFieldCreate_DS(DMField field) 1054 { 1055 DMField_DS *dsfield; 1056 PetscErrorCode ierr; 1057 1058 PetscFunctionBegin; 1059 ierr = PetscNewLog(field,&dsfield);CHKERRQ(ierr); 1060 field->data = dsfield; 1061 ierr = DMFieldInitialize_DS(field);CHKERRQ(ierr); 1062 PetscFunctionReturn(0); 1063 } 1064 1065 PetscErrorCode DMFieldCreateDS(DM dm, PetscInt fieldNum, Vec vec,DMField *field) 1066 { 1067 DMField b; 1068 DMField_DS *dsfield; 1069 PetscObject disc = NULL; 1070 PetscBool isContainer = PETSC_FALSE; 1071 PetscClassId id = -1; 1072 PetscInt numComponents = -1, dsNumFields; 1073 PetscSection section; 1074 PetscErrorCode ierr; 1075 1076 PetscFunctionBegin; 1077 ierr = DMGetLocalSection(dm,§ion);CHKERRQ(ierr); 1078 ierr = PetscSectionGetFieldComponents(section,fieldNum,&numComponents);CHKERRQ(ierr); 1079 ierr = DMGetNumFields(dm,&dsNumFields);CHKERRQ(ierr); 1080 if (dsNumFields) {ierr = DMGetField(dm,fieldNum,NULL,&disc);CHKERRQ(ierr);} 1081 if (disc) { 1082 ierr = PetscObjectGetClassId(disc,&id);CHKERRQ(ierr); 1083 isContainer = (id == PETSC_CONTAINER_CLASSID) ? PETSC_TRUE : PETSC_FALSE; 1084 } 1085 if (!disc || isContainer) { 1086 MPI_Comm comm = PetscObjectComm((PetscObject) dm); 1087 PetscInt cStart, cEnd, dim, cellHeight; 1088 PetscInt localConeSize = 0, coneSize; 1089 PetscFE fe; 1090 PetscDualSpace Q; 1091 PetscSpace P; 1092 DM K; 1093 PetscQuadrature quad, fquad; 1094 PetscBool isSimplex; 1095 1096 ierr = DMPlexGetVTKCellHeight(dm, &cellHeight);CHKERRQ(ierr); 1097 ierr = DMPlexGetHeightStratum(dm, cellHeight, &cStart, &cEnd);CHKERRQ(ierr); 1098 ierr = DMGetDimension(dm, &dim);CHKERRQ(ierr); 1099 if (cEnd > cStart) { 1100 ierr = DMPlexGetConeSize(dm, cStart, &localConeSize);CHKERRQ(ierr); 1101 } 1102 ierr = MPI_Allreduce(&localConeSize,&coneSize,1,MPIU_INT,MPI_MAX,comm);CHKERRMPI(ierr); 1103 isSimplex = (coneSize == (dim + 1)) ? PETSC_TRUE : PETSC_FALSE; 1104 ierr = PetscSpaceCreate(PETSC_COMM_SELF, &P);CHKERRQ(ierr); 1105 ierr = PetscSpaceSetType(P,PETSCSPACEPOLYNOMIAL);CHKERRQ(ierr); 1106 ierr = PetscSpaceSetDegree(P, 1, PETSC_DETERMINE);CHKERRQ(ierr); 1107 ierr = PetscSpaceSetNumComponents(P, numComponents);CHKERRQ(ierr); 1108 ierr = PetscSpaceSetNumVariables(P, dim);CHKERRQ(ierr); 1109 ierr = PetscSpacePolynomialSetTensor(P, isSimplex ? PETSC_FALSE : PETSC_TRUE);CHKERRQ(ierr); 1110 ierr = PetscSpaceSetUp(P);CHKERRQ(ierr); 1111 ierr = PetscDualSpaceCreate(PETSC_COMM_SELF, &Q);CHKERRQ(ierr); 1112 ierr = PetscDualSpaceSetType(Q,PETSCDUALSPACELAGRANGE);CHKERRQ(ierr); 1113 ierr = PetscDualSpaceCreateReferenceCell(Q, dim, isSimplex, &K);CHKERRQ(ierr); 1114 ierr = PetscDualSpaceSetDM(Q, K);CHKERRQ(ierr); 1115 ierr = DMDestroy(&K);CHKERRQ(ierr); 1116 ierr = PetscDualSpaceSetNumComponents(Q, numComponents);CHKERRQ(ierr); 1117 ierr = PetscDualSpaceSetOrder(Q, 1);CHKERRQ(ierr); 1118 ierr = PetscDualSpaceLagrangeSetTensor(Q, isSimplex ? PETSC_FALSE : PETSC_TRUE);CHKERRQ(ierr); 1119 ierr = PetscDualSpaceSetUp(Q);CHKERRQ(ierr); 1120 ierr = PetscFECreate(PETSC_COMM_SELF, &fe);CHKERRQ(ierr); 1121 ierr = PetscFESetType(fe,PETSCFEBASIC);CHKERRQ(ierr); 1122 ierr = PetscFESetBasisSpace(fe, P);CHKERRQ(ierr); 1123 ierr = PetscFESetDualSpace(fe, Q);CHKERRQ(ierr); 1124 ierr = PetscFESetNumComponents(fe, numComponents);CHKERRQ(ierr); 1125 ierr = PetscFESetUp(fe);CHKERRQ(ierr); 1126 ierr = PetscSpaceDestroy(&P);CHKERRQ(ierr); 1127 ierr = PetscDualSpaceDestroy(&Q);CHKERRQ(ierr); 1128 if (isSimplex) { 1129 ierr = PetscDTStroudConicalQuadrature(dim, 1, 1, -1.0, 1.0, &quad);CHKERRQ(ierr); 1130 ierr = PetscDTStroudConicalQuadrature(dim-1, 1, 1, -1.0, 1.0, &fquad);CHKERRQ(ierr); 1131 } 1132 else { 1133 ierr = PetscDTGaussTensorQuadrature(dim, 1, 1, -1.0, 1.0, &quad);CHKERRQ(ierr); 1134 ierr = PetscDTGaussTensorQuadrature(dim-1, 1, 1, -1.0, 1.0, &fquad);CHKERRQ(ierr); 1135 } 1136 ierr = PetscFESetQuadrature(fe, quad);CHKERRQ(ierr); 1137 ierr = PetscFESetFaceQuadrature(fe, fquad);CHKERRQ(ierr); 1138 ierr = PetscQuadratureDestroy(&quad);CHKERRQ(ierr); 1139 ierr = PetscQuadratureDestroy(&fquad);CHKERRQ(ierr); 1140 disc = (PetscObject) fe; 1141 } else { 1142 ierr = PetscObjectReference(disc);CHKERRQ(ierr); 1143 } 1144 ierr = PetscObjectGetClassId(disc,&id);CHKERRQ(ierr); 1145 if (id == PETSCFE_CLASSID) { 1146 PetscFE fe = (PetscFE) disc; 1147 1148 ierr = PetscFEGetNumComponents(fe,&numComponents);CHKERRQ(ierr); 1149 } else SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Not implemented"); 1150 ierr = DMFieldCreate(dm,numComponents,DMFIELD_VERTEX,&b);CHKERRQ(ierr); 1151 ierr = DMFieldSetType(b,DMFIELDDS);CHKERRQ(ierr); 1152 dsfield = (DMField_DS *) b->data; 1153 dsfield->fieldNum = fieldNum; 1154 ierr = DMGetDimension(dm,&dsfield->height);CHKERRQ(ierr); 1155 dsfield->height++; 1156 ierr = PetscCalloc1(dsfield->height,&dsfield->disc);CHKERRQ(ierr); 1157 dsfield->disc[0] = disc; 1158 ierr = PetscObjectReference((PetscObject)vec);CHKERRQ(ierr); 1159 dsfield->vec = vec; 1160 *field = b; 1161 1162 PetscFunctionReturn(0); 1163 } 1164