Actual source code: dmfieldds.c
petsc-3.13.6 2020-09-29
1: #include <petsc/private/dmfieldimpl.h>
2: #include <petsc/private/petscfeimpl.h>
3: #include <petscfe.h>
4: #include <petscdmplex.h>
5: #include <petscds.h>
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;
17: static PetscErrorCode DMFieldDestroy_DS(DMField field)
18: {
19: DMField_DS *dsfield;
20: PetscInt i;
24: dsfield = (DMField_DS *) field->data;
25: VecDestroy(&dsfield->vec);
26: for (i = 0; i < dsfield->height; i++) {
27: PetscObjectDereference(dsfield->disc[i]);
28: }
29: PetscFree(dsfield->disc);
30: PetscFree(dsfield);
31: return(0);
32: }
34: static PetscErrorCode DMFieldView_DS(DMField field,PetscViewer viewer)
35: {
36: DMField_DS *dsfield = (DMField_DS *) field->data;
37: PetscBool iascii;
38: PetscObject disc;
42: PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&iascii);
43: disc = dsfield->disc[0];
44: if (iascii) {
45: PetscViewerASCIIPrintf(viewer, "PetscDS field %D\n",dsfield->fieldNum);
46: PetscViewerASCIIPushTab(viewer);
47: PetscObjectView(disc,viewer);
48: PetscViewerASCIIPopTab(viewer);
49: }
50: PetscViewerASCIIPushTab(viewer);
51: if (dsfield->multifieldVec) {
52: SETERRQ(PetscObjectComm((PetscObject)field),PETSC_ERR_SUP,"View of subfield not implemented yet");
53: } else {
54: VecView(dsfield->vec,viewer);
55: }
56: PetscViewerASCIIPopTab(viewer);
57: return(0);
58: }
60: static PetscErrorCode DMFieldDSGetHeightDisc(DMField field, PetscInt height, PetscObject *disc)
61: {
62: DMField_DS *dsfield = (DMField_DS *) field->data;
66: if (!dsfield->disc[height]) {
67: PetscClassId id;
69: PetscObjectGetClassId(dsfield->disc[0],&id);
70: if (id == PETSCFE_CLASSID) {
71: PetscFE fe = (PetscFE) dsfield->disc[0];
73: PetscFECreateHeightTrace(fe,height,(PetscFE *)&dsfield->disc[height]);
74: }
75: }
76: *disc = dsfield->disc[height];
77: return(0);
78: }
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)
95: /* TODO: Reorganize interface so that I can reuse a tabulation rather than mallocing each time */
96: static PetscErrorCode DMFieldEvaluateFE_DS(DMField field, IS pointIS, PetscQuadrature quad, PetscDataType type, void *B, void *D, void *H)
97: {
98: DMField_DS *dsfield = (DMField_DS *) field->data;
99: DM dm;
100: PetscObject disc;
101: PetscClassId classid;
102: PetscInt nq, nc, dim, meshDim, numCells;
103: PetscSection section;
104: const PetscReal *qpoints;
105: PetscBool isStride;
106: const PetscInt *points = NULL;
107: PetscInt sfirst = -1, stride = -1;
108: PetscErrorCode ierr;
111: dm = field->dm;
112: nc = field->numComponents;
113: PetscQuadratureGetData(quad,&dim,NULL,&nq,&qpoints,NULL);
114: DMFieldDSGetHeightDisc(field,dsfield->height - 1 - dim,&disc);
115: DMGetDimension(dm,&meshDim);
116: DMGetLocalSection(dm,§ion);
117: PetscSectionGetField(section,dsfield->fieldNum,§ion);
118: PetscObjectGetClassId(disc,&classid);
119: /* TODO: batch */
120: PetscObjectTypeCompare((PetscObject)pointIS,ISSTRIDE,&isStride);
121: ISGetLocalSize(pointIS,&numCells);
122: if (isStride) {
123: ISStrideGetInfo(pointIS,&sfirst,&stride);
124: } else {
125: ISGetIndices(pointIS,&points);
126: }
127: if (classid == PETSCFE_CLASSID) {
128: PetscFE fe = (PetscFE) disc;
129: PetscInt feDim, i;
130: PetscInt K = H ? 2 : (D ? 1 : (B ? 0 : -1));
131: PetscTabulation T;
133: PetscFEGetDimension(fe,&feDim);
134: PetscFECreateTabulation(fe,1,nq,qpoints,K,&T);
135: for (i = 0; i < numCells; i++) {
136: PetscInt c = isStride ? (sfirst + i * stride) : points[i];
137: PetscInt closureSize;
138: PetscScalar *elem = NULL;
140: DMPlexVecGetClosure(dm,section,dsfield->vec,c,&closureSize,&elem);
141: if (B) {
142: if (type == PETSC_SCALAR) {
143: PetscScalar *cB = &((PetscScalar *) B)[nc * nq * i];
145: DMFieldDSdot(cB,T->T[0],elem,nq,feDim,nc,(PetscScalar));
146: } else {
147: PetscReal *cB = &((PetscReal *) B)[nc * nq * i];
149: DMFieldDSdot(cB,T->T[0],elem,nq,feDim,nc,PetscRealPart);
150: }
151: }
152: if (D) {
153: if (type == PETSC_SCALAR) {
154: PetscScalar *cD = &((PetscScalar *) D)[nc * nq * dim * i];
156: DMFieldDSdot(cD,T->T[1],elem,nq,feDim,(nc * dim),(PetscScalar));
157: } else {
158: PetscReal *cD = &((PetscReal *) D)[nc * nq * dim * i];
160: DMFieldDSdot(cD,T->T[1],elem,nq,feDim,(nc * dim),PetscRealPart);
161: }
162: }
163: if (H) {
164: if (type == PETSC_SCALAR) {
165: PetscScalar *cH = &((PetscScalar *) H)[nc * nq * dim * dim * i];
167: DMFieldDSdot(cH,T->T[2],elem,nq,feDim,(nc * dim * dim),(PetscScalar));
168: } else {
169: PetscReal *cH = &((PetscReal *) H)[nc * nq * dim * dim * i];
171: DMFieldDSdot(cH,T->T[2],elem,nq,feDim,(nc * dim * dim),PetscRealPart);
172: }
173: }
174: DMPlexVecRestoreClosure(dm,section,dsfield->vec,c,&closureSize,&elem);
175: }
176: PetscTabulationDestroy(&T);
177: } else {SETERRQ(PetscObjectComm((PetscObject)field),PETSC_ERR_SUP,"Not implemented");}
178: if (!isStride) {
179: ISRestoreIndices(pointIS,&points);
180: }
181: return(0);
182: }
184: static PetscErrorCode DMFieldEvaluate_DS(DMField field, Vec points, PetscDataType datatype, void *B, void *D, void *H)
185: {
186: DMField_DS *dsfield = (DMField_DS *) field->data;
187: PetscSF cellSF = NULL;
188: const PetscSFNode *cells;
189: PetscInt c, nFound, numCells, feDim, nc;
190: const PetscInt *cellDegrees;
191: const PetscScalar *pointsArray;
192: PetscScalar *cellPoints;
193: PetscInt gatherSize, gatherMax;
194: PetscInt dim, dimR, offset;
195: MPI_Datatype pointType;
196: PetscObject cellDisc;
197: PetscFE cellFE;
198: PetscClassId discID;
199: PetscReal *coordsReal, *coordsRef;
200: PetscSection section;
201: PetscScalar *cellBs = NULL, *cellDs = NULL, *cellHs = NULL;
202: PetscReal *cellBr = NULL, *cellDr = NULL, *cellHr = NULL;
203: PetscReal *v, *J, *invJ, *detJ;
204: PetscErrorCode ierr;
207: nc = field->numComponents;
208: DMGetLocalSection(field->dm,§ion);
209: DMFieldDSGetHeightDisc(field,0,&cellDisc);
210: PetscObjectGetClassId(cellDisc, &discID);
211: if (discID != PETSCFE_CLASSID) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB, "Discretization type not supported\n");
212: cellFE = (PetscFE) cellDisc;
213: PetscFEGetDimension(cellFE,&feDim);
214: DMGetCoordinateDim(field->dm, &dim);
215: DMGetDimension(field->dm, &dimR);
216: DMLocatePoints(field->dm, points, DM_POINTLOCATION_NONE, &cellSF);
217: PetscSFGetGraph(cellSF, &numCells, &nFound, NULL, &cells);
218: for (c = 0; c < nFound; c++) {
219: if (cells[c].index < 0) SETERRQ1(PetscObjectComm((PetscObject)points),PETSC_ERR_ARG_WRONG, "Point %D could not be located\n", c);
220: }
221: PetscSFComputeDegreeBegin(cellSF,&cellDegrees);
222: PetscSFComputeDegreeEnd(cellSF,&cellDegrees);
223: for (c = 0, gatherSize = 0, gatherMax = 0; c < numCells; c++) {
224: gatherMax = PetscMax(gatherMax,cellDegrees[c]);
225: gatherSize += cellDegrees[c];
226: }
227: PetscMalloc3(gatherSize*dim,&cellPoints,gatherMax*dim,&coordsReal,gatherMax*dimR,&coordsRef);
228: PetscMalloc4(gatherMax*dimR,&v,gatherMax*dimR*dimR,&J,gatherMax*dimR*dimR,&invJ,gatherMax,&detJ);
229: if (datatype == PETSC_SCALAR) {
230: PetscMalloc3(B ? nc * gatherSize : 0, &cellBs, D ? nc * dim * gatherSize : 0, &cellDs, H ? nc * dim * dim * gatherSize : 0, &cellHs);
231: } else {
232: PetscMalloc3(B ? nc * gatherSize : 0, &cellBr, D ? nc * dim * gatherSize : 0, &cellDr, H ? nc * dim * dim * gatherSize : 0, &cellHr);
233: }
235: MPI_Type_contiguous(dim,MPIU_SCALAR,&pointType);
236: MPI_Type_commit(&pointType);
237: VecGetArrayRead(points,&pointsArray);
238: PetscSFGatherBegin(cellSF, pointType, pointsArray, cellPoints);
239: PetscSFGatherEnd(cellSF, pointType, pointsArray, cellPoints);
240: VecRestoreArrayRead(points,&pointsArray);
241: for (c = 0, offset = 0; c < numCells; c++) {
242: PetscInt nq = cellDegrees[c], p;
244: if (nq) {
245: PetscInt K = H ? 2 : (D ? 1 : (B ? 0 : -1));
246: PetscTabulation T;
247: PetscInt closureSize;
248: PetscScalar *elem = NULL;
249: PetscReal *quadPoints;
250: PetscQuadrature quad;
251: PetscInt d, e, f, g;
253: for (p = 0; p < dim * nq; p++) coordsReal[p] = PetscRealPart(cellPoints[dim * offset + p]);
254: DMPlexCoordinatesToReference(field->dm, c, nq, coordsReal, coordsRef);
255: PetscFECreateTabulation(cellFE,1,nq,coordsRef,K,&T);
256: PetscQuadratureCreate(PETSC_COMM_SELF, &quad);
257: PetscMalloc1(dimR * nq, &quadPoints);
258: for (p = 0; p < dimR * nq; p++) quadPoints[p] = coordsRef[p];
259: PetscQuadratureSetData(quad, dimR, 0, nq, quadPoints, NULL);
260: DMPlexComputeCellGeometryFEM(field->dm, c, quad, v, J, invJ, detJ);
261: PetscQuadratureDestroy(&quad);
262: DMPlexVecGetClosure(field->dm,section,dsfield->vec,c,&closureSize,&elem);
263: if (B) {
264: if (datatype == PETSC_SCALAR) {
265: PetscScalar *cB = &cellBs[nc * offset];
267: DMFieldDSdot(cB,T->T[0],elem,nq,feDim,nc,(PetscScalar));
268: } else {
269: PetscReal *cB = &cellBr[nc * offset];
271: DMFieldDSdot(cB,T->T[0],elem,nq,feDim,nc,PetscRealPart);
272: }
273: }
274: if (D) {
275: if (datatype == PETSC_SCALAR) {
276: PetscScalar *cD = &cellDs[nc * dim * offset];
278: DMFieldDSdot(cD,T->T[1],elem,nq,feDim,(nc * dim),(PetscScalar));
279: for (p = 0; p < nq; p++) {
280: for (g = 0; g < nc; g++) {
281: PetscScalar vs[3];
283: for (d = 0; d < dimR; d++) {
284: vs[d] = 0.;
285: for (e = 0; e < dimR; e++) {
286: vs[d] += invJ[dimR * dimR * p + e * dimR + d] * cD[(nc * p + g) * dimR + e];
287: }
288: }
289: for (d = 0; d < dimR; d++) {
290: cD[(nc * p + g) * dimR + d] = vs[d];
291: }
292: }
293: }
294: } else {
295: PetscReal *cD = &cellDr[nc * dim * offset];
297: DMFieldDSdot(cD,T->T[1],elem,nq,feDim,(nc * dim),PetscRealPart);
298: for (p = 0; p < nq; p++) {
299: for (g = 0; g < nc; g++) {
300: for (d = 0; d < dimR; d++) {
301: v[d] = 0.;
302: for (e = 0; e < dimR; e++) {
303: v[d] += invJ[dimR * dimR * p + e * dimR + d] * cD[(nc * p + g) * dimR + e];
304: }
305: }
306: for (d = 0; d < dimR; d++) {
307: cD[(nc * p + g) * dimR + d] = v[d];
308: }
309: }
310: }
311: }
312: }
313: if (H) {
314: if (datatype == PETSC_SCALAR) {
315: PetscScalar *cH = &cellHs[nc * dim * dim * offset];
317: DMFieldDSdot(cH,T->T[2],elem,nq,feDim,(nc * dim * dim),(PetscScalar));
318: for (p = 0; p < nq; p++) {
319: for (g = 0; g < nc * dimR; g++) {
320: PetscScalar vs[3];
322: for (d = 0; d < dimR; d++) {
323: vs[d] = 0.;
324: for (e = 0; e < dimR; e++) {
325: vs[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[(nc * dimR * p + g) * dimR + e];
326: }
327: }
328: for (d = 0; d < dimR; d++) {
329: cH[(nc * dimR * p + g) * dimR + d] = vs[d];
330: }
331: }
332: for (g = 0; g < nc; g++) {
333: for (f = 0; f < dimR; f++) {
334: PetscScalar vs[3];
336: for (d = 0; d < dimR; d++) {
337: vs[d] = 0.;
338: for (e = 0; e < dimR; e++) {
339: vs[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[((nc * p + g) * dimR + e) * dimR + f];
340: }
341: }
342: for (d = 0; d < dimR; d++) {
343: cH[((nc * p + g) * dimR + d) * dimR + f] = vs[d];
344: }
345: }
346: }
347: }
348: } else {
349: PetscReal *cH = &cellHr[nc * dim * dim * offset];
351: DMFieldDSdot(cH,T->T[2],elem,nq,feDim,(nc * dim * dim),PetscRealPart);
352: for (p = 0; p < nq; p++) {
353: for (g = 0; g < nc * dimR; g++) {
354: for (d = 0; d < dimR; d++) {
355: v[d] = 0.;
356: for (e = 0; e < dimR; e++) {
357: v[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[(nc * dimR * p + g) * dimR + e];
358: }
359: }
360: for (d = 0; d < dimR; d++) {
361: cH[(nc * dimR * p + g) * dimR + d] = v[d];
362: }
363: }
364: for (g = 0; g < nc; g++) {
365: for (f = 0; f < dimR; f++) {
366: for (d = 0; d < dimR; d++) {
367: v[d] = 0.;
368: for (e = 0; e < dimR; e++) {
369: v[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[((nc * p + g) * dimR + e) * dimR + f];
370: }
371: }
372: for (d = 0; d < dimR; d++) {
373: cH[((nc * p + g) * dimR + d) * dimR + f] = v[d];
374: }
375: }
376: }
377: }
378: }
379: }
380: DMPlexVecRestoreClosure(field->dm,section,dsfield->vec,c,&closureSize,&elem);
381: PetscTabulationDestroy(&T);
382: }
383: offset += nq;
384: }
385: {
386: MPI_Datatype origtype;
388: if (datatype == PETSC_SCALAR) {
389: origtype = MPIU_SCALAR;
390: } else {
391: origtype = MPIU_REAL;
392: }
393: if (B) {
394: MPI_Datatype Btype;
396: MPI_Type_contiguous(nc, origtype, &Btype);
397: MPI_Type_commit(&Btype);
398: PetscSFScatterBegin(cellSF,Btype,(datatype == PETSC_SCALAR) ? (void *) cellBs : (void *) cellBr, B);
399: PetscSFScatterEnd(cellSF,Btype,(datatype == PETSC_SCALAR) ? (void *) cellBs : (void *) cellBr, B);
400: MPI_Type_free(&Btype);
401: }
402: if (D) {
403: MPI_Datatype Dtype;
405: MPI_Type_contiguous(nc * dim, origtype, &Dtype);
406: MPI_Type_commit(&Dtype);
407: PetscSFScatterBegin(cellSF,Dtype,(datatype == PETSC_SCALAR) ? (void *) cellDs : (void *) cellDr, D);
408: PetscSFScatterEnd(cellSF,Dtype,(datatype == PETSC_SCALAR) ? (void *) cellDs : (void *) cellDr, D);
409: MPI_Type_free(&Dtype);
410: }
411: if (H) {
412: MPI_Datatype Htype;
414: MPI_Type_contiguous(nc * dim * dim, origtype, &Htype);
415: MPI_Type_commit(&Htype);
416: PetscSFScatterBegin(cellSF,Htype,(datatype == PETSC_SCALAR) ? (void *) cellHs : (void *) cellHr, H);
417: PetscSFScatterEnd(cellSF,Htype,(datatype == PETSC_SCALAR) ? (void *) cellHs : (void *) cellHr, H);
418: MPI_Type_free(&Htype);
419: }
420: }
421: PetscFree4(v,J,invJ,detJ);
422: PetscFree3(cellBr, cellDr, cellHr);
423: PetscFree3(cellBs, cellDs, cellHs);
424: PetscFree3(cellPoints,coordsReal,coordsRef);
425: MPI_Type_free(&pointType);
426: PetscSFDestroy(&cellSF);
427: return(0);
428: }
430: static PetscErrorCode DMFieldEvaluateFV_DS(DMField field, IS pointIS, PetscDataType type, void *B, void *D, void *H)
431: {
432: DMField_DS *dsfield = (DMField_DS *) field->data;
433: PetscInt h, imin;
434: PetscInt dim;
435: PetscClassId id;
436: PetscQuadrature quad = NULL;
437: PetscInt maxDegree;
438: PetscFEGeom *geom;
439: PetscInt Nq, Nc, dimC, qNc, N;
440: PetscInt numPoints;
441: void *qB = NULL, *qD = NULL, *qH = NULL;
442: const PetscReal *weights;
443: MPI_Datatype mpitype = type == PETSC_SCALAR ? MPIU_SCALAR : MPIU_REAL;
444: PetscObject disc;
445: DMField coordField;
446: PetscErrorCode ierr;
449: Nc = field->numComponents;
450: DMGetCoordinateDim(field->dm, &dimC);
451: DMGetDimension(field->dm, &dim);
452: ISGetLocalSize(pointIS, &numPoints);
453: ISGetMinMax(pointIS,&imin,NULL);
454: for (h = 0; h < dsfield->height; h++) {
455: PetscInt hEnd;
457: DMPlexGetHeightStratum(field->dm,h,NULL,&hEnd);
458: if (imin < hEnd) break;
459: }
460: dim -= h;
461: DMFieldDSGetHeightDisc(field,h,&disc);
462: PetscObjectGetClassId(disc,&id);
463: if (id != PETSCFE_CLASSID) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Discretization not supported\n");
464: DMGetCoordinateField(field->dm, &coordField);
465: DMFieldGetDegree(coordField, pointIS, NULL, &maxDegree);
466: if (maxDegree <= 1) {
467: DMFieldCreateDefaultQuadrature(coordField, pointIS, &quad);
468: }
469: if (!quad) {DMFieldCreateDefaultQuadrature(field, pointIS, &quad);}
470: if (!quad) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Could not determine quadrature for cell averages\n");
471: DMFieldCreateFEGeom(coordField,pointIS,quad,PETSC_FALSE,&geom);
472: PetscQuadratureGetData(quad, NULL, &qNc, &Nq, NULL, &weights);
473: if (qNc != 1) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Expected scalar quadrature components\n");
474: N = numPoints * Nq * Nc;
475: if (B) DMGetWorkArray(field->dm, N, mpitype, &qB);
476: if (D) DMGetWorkArray(field->dm, N * dimC, mpitype, &qD);
477: if (H) DMGetWorkArray(field->dm, N * dimC * dimC, mpitype, &qH);
478: DMFieldEvaluateFE(field,pointIS,quad,type,qB,qD,qH);
479: if (B) {
480: PetscInt i, j, k;
482: if (type == PETSC_SCALAR) {
483: PetscScalar * sB = (PetscScalar *) B;
484: PetscScalar * sqB = (PetscScalar *) qB;
486: for (i = 0; i < numPoints; i++) {
487: PetscReal vol = 0.;
489: for (j = 0; j < Nc; j++) {sB[i * Nc + j] = 0.;}
490: for (k = 0; k < Nq; k++) {
491: vol += geom->detJ[i * Nq + k] * weights[k];
492: for (j = 0; j < Nc; j++) {
493: sB[i * Nc + j] += geom->detJ[i * Nq + k] * weights[k] * sqB[ (i * Nq + k) * Nc + j];
494: }
495: }
496: for (k = 0; k < Nq * Nc; k++) sB[i * Nq * Nc + k] /= vol;
497: }
498: } else {
499: PetscReal * rB = (PetscReal *) B;
500: PetscReal * rqB = (PetscReal *) qB;
502: for (i = 0; i < numPoints; i++) {
503: PetscReal vol = 0.;
505: for (j = 0; j < Nc; j++) {rB[i * Nc + j] = 0.;}
506: for (k = 0; k < Nq; k++) {
507: vol += geom->detJ[i * Nq + k] * weights[k];
508: for (j = 0; j < Nc; j++) {
509: rB[i * Nc + j] += weights[k] * rqB[ (i * Nq + k) * Nc + j];
510: }
511: }
512: for (k = 0; k < Nc; k++) rB[i * Nc + k] /= vol;
513: }
514: }
515: }
516: if (D) {
517: PetscInt i, j, k, l, m;
519: if (type == PETSC_SCALAR) {
520: PetscScalar * sD = (PetscScalar *) D;
521: PetscScalar * sqD = (PetscScalar *) qD;
523: for (i = 0; i < numPoints; i++) {
524: PetscReal vol = 0.;
526: for (j = 0; j < Nc * dimC; j++) {sD[i * Nc * dimC + j] = 0.;}
527: for (k = 0; k < Nq; k++) {
528: vol += geom->detJ[i * Nq + k] * weights[k];
529: for (j = 0; j < Nc; j++) {
530: PetscScalar pD[3] = {0.,0.,0.};
532: for (l = 0; l < dimC; l++) {
533: for (m = 0; m < dim; m++) {
534: pD[l] += geom->invJ[((i * Nq + k) * dimC + m) * dimC + l] * sqD[((i * Nq + k) * Nc + j) * dim + m];
535: }
536: }
537: for (l = 0; l < dimC; l++) {
538: sD[(i * Nc + j) * dimC + l] += geom->detJ[i * Nq + k] * weights[k] * pD[l];
539: }
540: }
541: }
542: for (k = 0; k < Nc * dimC; k++) sD[i * Nc * dimC + k] /= vol;
543: }
544: } else {
545: PetscReal * rD = (PetscReal *) D;
546: PetscReal * rqD = (PetscReal *) qD;
548: for (i = 0; i < numPoints; i++) {
549: PetscReal vol = 0.;
551: for (j = 0; j < Nc * dimC; j++) {rD[i * Nc * dimC + j] = 0.;}
552: for (k = 0; k < Nq; k++) {
553: vol += geom->detJ[i * Nq + k] * weights[k];
554: for (j = 0; j < Nc; j++) {
555: PetscReal pD[3] = {0.,0.,0.};
557: for (l = 0; l < dimC; l++) {
558: for (m = 0; m < dim; m++) {
559: pD[l] += geom->invJ[((i * Nq + k) * dimC + m) * dimC + l] * rqD[((i * Nq + k) * Nc + j) * dim + m];
560: }
561: }
562: for (l = 0; l < dimC; l++) {
563: rD[(i * Nc + j) * dimC + l] += geom->detJ[i * Nq + k] * weights[k] * pD[l];
564: }
565: }
566: }
567: for (k = 0; k < Nc * dimC; k++) rD[i * Nc * dimC + k] /= vol;
568: }
569: }
570: }
571: if (H) {
572: PetscInt i, j, k, l, m, q, r;
574: if (type == PETSC_SCALAR) {
575: PetscScalar * sH = (PetscScalar *) H;
576: PetscScalar * sqH = (PetscScalar *) qH;
578: for (i = 0; i < numPoints; i++) {
579: PetscReal vol = 0.;
581: for (j = 0; j < Nc * dimC * dimC; j++) {sH[i * Nc * dimC * dimC + j] = 0.;}
582: for (k = 0; k < Nq; k++) {
583: const PetscReal *invJ = &geom->invJ[(i * Nq + k) * dimC * dimC];
585: vol += geom->detJ[i * Nq + k] * weights[k];
586: for (j = 0; j < Nc; j++) {
587: PetscScalar pH[3][3] = {{0.,0.,0.},{0.,0.,0.},{0.,0.,0.}};
588: const PetscScalar *spH = &sqH[((i * Nq + k) * Nc + j) * dimC * dimC];
590: for (l = 0; l < dimC; l++) {
591: for (m = 0; m < dimC; m++) {
592: for (q = 0; q < dim; q++) {
593: for (r = 0; r < dim; r++) {
594: pH[l][m] += invJ[q * dimC + l] * invJ[r * dimC + m] * spH[q * dim + r];
595: }
596: }
597: }
598: }
599: for (l = 0; l < dimC; l++) {
600: for (m = 0; m < dimC; m++) {
601: sH[(i * Nc + j) * dimC * dimC + l * dimC + m] += geom->detJ[i * Nq + k] * weights[k] * pH[l][m];
602: }
603: }
604: }
605: }
606: for (k = 0; k < Nc * dimC * dimC; k++) sH[i * Nc * dimC * dimC + k] /= vol;
607: }
608: } else {
609: PetscReal * rH = (PetscReal *) H;
610: PetscReal * rqH = (PetscReal *) qH;
612: for (i = 0; i < numPoints; i++) {
613: PetscReal vol = 0.;
615: for (j = 0; j < Nc * dimC * dimC; j++) {rH[i * Nc * dimC * dimC + j] = 0.;}
616: for (k = 0; k < Nq; k++) {
617: const PetscReal *invJ = &geom->invJ[(i * Nq + k) * dimC * dimC];
619: vol += geom->detJ[i * Nq + k] * weights[k];
620: for (j = 0; j < Nc; j++) {
621: PetscReal pH[3][3] = {{0.,0.,0.},{0.,0.,0.},{0.,0.,0.}};
622: const PetscReal *rpH = &rqH[((i * Nq + k) * Nc + j) * dimC * dimC];
624: for (l = 0; l < dimC; l++) {
625: for (m = 0; m < dimC; m++) {
626: for (q = 0; q < dim; q++) {
627: for (r = 0; r < dim; r++) {
628: pH[l][m] += invJ[q * dimC + l] * invJ[r * dimC + m] * rpH[q * dim + r];
629: }
630: }
631: }
632: }
633: for (l = 0; l < dimC; l++) {
634: for (m = 0; m < dimC; m++) {
635: rH[(i * Nc + j) * dimC * dimC + l * dimC + m] += geom->detJ[i * Nq + k] * weights[k] * pH[l][m];
636: }
637: }
638: }
639: }
640: for (k = 0; k < Nc * dimC * dimC; k++) rH[i * Nc * dimC * dimC + k] /= vol;
641: }
642: }
643: }
644: if (B) DMRestoreWorkArray(field->dm, N, mpitype, &qB);
645: if (D) DMRestoreWorkArray(field->dm, N * dimC, mpitype, &qD);
646: if (H) DMRestoreWorkArray(field->dm, N * dimC * dimC, mpitype, &qH);
647: PetscFEGeomDestroy(&geom);
648: PetscQuadratureDestroy(&quad);
649: return(0);
650: }
652: static PetscErrorCode DMFieldGetDegree_DS(DMField field, IS pointIS, PetscInt *minDegree, PetscInt *maxDegree)
653: {
654: DMField_DS *dsfield;
655: PetscObject disc;
656: PetscInt h, imin, imax;
657: PetscClassId id;
661: dsfield = (DMField_DS *) field->data;
662: ISGetMinMax(pointIS,&imin,&imax);
663: if (imin >= imax) {
664: h = 0;
665: } else {
666: for (h = 0; h < dsfield->height; h++) {
667: PetscInt hEnd;
669: DMPlexGetHeightStratum(field->dm,h,NULL,&hEnd);
670: if (imin < hEnd) break;
671: }
672: }
673: DMFieldDSGetHeightDisc(field,h,&disc);
674: PetscObjectGetClassId(disc,&id);
675: if (id == PETSCFE_CLASSID) {
676: PetscFE fe = (PetscFE) disc;
677: PetscSpace sp;
679: PetscFEGetBasisSpace(fe, &sp);
680: PetscSpaceGetDegree(sp, minDegree, maxDegree);
681: }
682: return(0);
683: }
685: static PetscErrorCode DMFieldCreateDefaultQuadrature_DS(DMField field, IS pointIS, PetscQuadrature *quad)
686: {
687: PetscInt h, dim, imax, imin, cellHeight;
688: DM dm;
689: DMField_DS *dsfield;
690: PetscObject disc;
691: PetscFE fe;
692: PetscClassId id;
697: dm = field->dm;
698: dsfield = (DMField_DS *) field->data;
699: ISGetMinMax(pointIS,&imin,&imax);
700: DMGetDimension(dm,&dim);
701: for (h = 0; h <= dim; h++) {
702: PetscInt hStart, hEnd;
704: DMPlexGetHeightStratum(dm,h,&hStart,&hEnd);
705: if (imax >= hStart && imin < hEnd) break;
706: }
707: DMPlexGetVTKCellHeight(dm, &cellHeight);
708: h -= cellHeight;
709: *quad = NULL;
710: if (h < dsfield->height) {
711: DMFieldDSGetHeightDisc(field,h,&disc);
712: PetscObjectGetClassId(disc,&id);
713: if (id != PETSCFE_CLASSID) return(0);
714: fe = (PetscFE) disc;
715: PetscFEGetQuadrature(fe,quad);
716: PetscObjectReference((PetscObject)*quad);
717: }
718: return(0);
719: }
721: static PetscErrorCode DMFieldComputeFaceData_DS(DMField field, IS pointIS, PetscQuadrature quad, PetscFEGeom *geom)
722: {
723: const PetscInt *points;
724: PetscInt p, dim, dE, numFaces, Nq;
725: PetscInt maxDegree;
726: DMLabel depthLabel;
727: IS cellIS;
728: DM dm = field->dm;
729: PetscErrorCode ierr;
732: dim = geom->dim;
733: dE = geom->dimEmbed;
734: DMPlexGetDepthLabel(dm, &depthLabel);
735: DMLabelGetStratumIS(depthLabel, dim + 1, &cellIS);
736: DMFieldGetDegree(field,cellIS,NULL,&maxDegree);
737: ISGetIndices(pointIS, &points);
738: numFaces = geom->numCells;
739: Nq = geom->numPoints;
740: if (maxDegree <= 1) {
741: PetscInt numCells, offset, *cells;
742: PetscFEGeom *cellGeom;
743: IS suppIS;
744: PetscQuadrature cellQuad = NULL;
746: DMFieldCreateDefaultQuadrature(field,cellIS,&cellQuad);
747: for (p = 0, numCells = 0; p < numFaces; p++) {
748: PetscInt point = points[p];
749: PetscInt numSupp, numChildren;
751: DMPlexGetTreeChildren(dm, point, &numChildren, NULL);
752: if (numChildren) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Face data not valid for facets with children");
753: DMPlexGetSupportSize(dm, point,&numSupp);
754: if (numSupp > 2) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Point %D has %D support, expected at most 2\n", point, numSupp);
755: numCells += numSupp;
756: }
757: PetscMalloc1(numCells, &cells);
758: for (p = 0, offset = 0; p < numFaces; p++) {
759: PetscInt point = points[p];
760: PetscInt numSupp, s;
761: const PetscInt *supp;
763: DMPlexGetSupportSize(dm, point,&numSupp);
764: DMPlexGetSupport(dm, point, &supp);
765: for (s = 0; s < numSupp; s++, offset++) {
766: cells[offset] = supp[s];
767: }
768: }
769: ISCreateGeneral(PETSC_COMM_SELF,numCells,cells,PETSC_USE_POINTER, &suppIS);
770: DMFieldCreateFEGeom(field,suppIS,cellQuad,PETSC_FALSE,&cellGeom);
771: for (p = 0, offset = 0; p < numFaces; p++) {
772: PetscInt point = points[p];
773: PetscInt numSupp, s, q;
774: const PetscInt *supp;
776: DMPlexGetSupportSize(dm, point,&numSupp);
777: DMPlexGetSupport(dm, point, &supp);
778: for (s = 0; s < numSupp; s++, offset++) {
779: for (q = 0; q < Nq * dE * dE; q++) {
780: geom->suppJ[s][p * Nq * dE * dE + q] = cellGeom->J[offset * Nq * dE * dE + q];
781: geom->suppInvJ[s][p * Nq * dE * dE + q] = cellGeom->invJ[offset * Nq * dE * dE + q];
782: }
783: for (q = 0; q < Nq; q++) geom->suppDetJ[s][p * Nq + q] = cellGeom->detJ[offset * Nq + q];
784: }
785: }
786: PetscFEGeomDestroy(&cellGeom);
787: ISDestroy(&suppIS);
788: PetscFree(cells);
789: PetscQuadratureDestroy(&cellQuad);
790: } else {
791: PetscObject faceDisc, cellDisc;
792: PetscClassId faceId, cellId;
793: PetscDualSpace dsp;
794: DM K;
795: DMPolytopeType ct;
796: PetscInt (*co)[2][3];
797: PetscInt coneSize;
798: PetscInt **counts;
799: PetscInt f, i, o, q, s;
800: const PetscInt *coneK;
801: PetscInt eStart, minOrient, maxOrient, numOrient;
802: PetscInt *orients;
803: PetscReal **orientPoints;
804: PetscReal *cellPoints;
805: PetscReal *dummyWeights;
806: PetscQuadrature cellQuad = NULL;
808: DMFieldDSGetHeightDisc(field, 1, &faceDisc);
809: DMFieldDSGetHeightDisc(field, 0, &cellDisc);
810: PetscObjectGetClassId(faceDisc,&faceId);
811: PetscObjectGetClassId(cellDisc,&cellId);
812: if (faceId != PETSCFE_CLASSID || cellId != PETSCFE_CLASSID) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Not supported\n");
813: PetscFEGetDualSpace((PetscFE)cellDisc, &dsp);
814: PetscDualSpaceGetDM(dsp, &K);
815: DMPlexGetHeightStratum(K, 1, &eStart, NULL);
816: DMPlexGetCellType(K, eStart, &ct);
817: DMPlexGetConeSize(K,0,&coneSize);
818: DMPlexGetCone(K,0,&coneK);
819: PetscMalloc2(numFaces, &co, coneSize, &counts);
820: PetscMalloc1(dE*Nq, &cellPoints);
821: PetscMalloc1(Nq, &dummyWeights);
822: PetscQuadratureCreate(PetscObjectComm((PetscObject)field), &cellQuad);
823: PetscQuadratureSetData(cellQuad, dE, 1, Nq, cellPoints, dummyWeights);
824: minOrient = PETSC_MAX_INT;
825: maxOrient = PETSC_MIN_INT;
826: for (p = 0; p < numFaces; p++) { /* record the orientation of the facet wrt the support cells */
827: PetscInt point = points[p];
828: PetscInt numSupp, numChildren;
829: const PetscInt *supp;
831: DMPlexGetTreeChildren(dm, point, &numChildren, NULL);
832: if (numChildren) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Face data not valid for facets with children");
833: DMPlexGetSupportSize(dm, point,&numSupp);
834: if (numSupp > 2) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Point %D has %D support, expected at most 2\n", point, numSupp);
835: DMPlexGetSupport(dm, point, &supp);
836: for (s = 0; s < numSupp; s++) {
837: PetscInt cell = supp[s];
838: PetscInt numCone;
839: const PetscInt *cone, *orient;
841: DMPlexGetConeSize(dm, cell, &numCone);
842: if (numCone != coneSize) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Support point does not match reference element");
843: DMPlexGetCone(dm, cell, &cone);
844: DMPlexGetConeOrientation(dm, cell, &orient);
845: for (f = 0; f < coneSize; f++) {
846: if (cone[f] == point) break;
847: }
848: co[p][s][0] = f;
849: co[p][s][1] = orient[f];
850: co[p][s][2] = cell;
851: minOrient = PetscMin(minOrient, orient[f]);
852: maxOrient = PetscMax(maxOrient, orient[f]);
853: }
854: for (; s < 2; s++) {
855: co[p][s][0] = -1;
856: co[p][s][1] = -1;
857: co[p][s][2] = -1;
858: }
859: }
860: numOrient = maxOrient + 1 - minOrient;
861: DMPlexGetCone(K,0,&coneK);
862: /* count all (face,orientation) doubles that appear */
863: PetscCalloc2(numOrient,&orients,numOrient,&orientPoints);
864: for (f = 0; f < coneSize; f++) {PetscCalloc1(numOrient+1, &counts[f]);}
865: for (p = 0; p < numFaces; p++) {
866: for (s = 0; s < 2; s++) {
867: if (co[p][s][0] >= 0) {
868: counts[co[p][s][0]][co[p][s][1] - minOrient]++;
869: orients[co[p][s][1] - minOrient]++;
870: }
871: }
872: }
873: for (o = 0; o < numOrient; o++) {
874: if (orients[o]) {
875: PetscInt orient = o + minOrient;
876: PetscInt q;
878: PetscMalloc1(Nq * dim, &orientPoints[o]);
879: /* rotate the quadrature points appropriately */
880: switch (ct) {
881: case DM_POLYTOPE_POINT: break;
882: case DM_POLYTOPE_SEGMENT:
883: if (orient == -2 || orient == 1) {
884: for (q = 0; q < Nq; q++) {
885: orientPoints[o][q] = -geom->xi[q];
886: }
887: } else {
888: for (q = 0; q < Nq; q++) {
889: orientPoints[o][q] = geom->xi[q];
890: }
891: }
892: break;
893: case DM_POLYTOPE_TRIANGLE:
894: for (q = 0; q < Nq; q++) {
895: PetscReal lambda[3];
896: PetscReal lambdao[3];
898: /* convert to barycentric */
899: lambda[0] = - (geom->xi[2 * q] + geom->xi[2 * q + 1]) / 2.;
900: lambda[1] = (geom->xi[2 * q] + 1.) / 2.;
901: lambda[2] = (geom->xi[2 * q + 1] + 1.) / 2.;
902: if (orient >= 0) {
903: for (i = 0; i < 3; i++) {
904: lambdao[i] = lambda[(orient + i) % 3];
905: }
906: } else {
907: for (i = 0; i < 3; i++) {
908: lambdao[i] = lambda[(-(orient + i) + 3) % 3];
909: }
910: }
911: /* convert to coordinates */
912: orientPoints[o][2 * q + 0] = -(lambdao[0] + lambdao[2]) + lambdao[1];
913: orientPoints[o][2 * q + 1] = -(lambdao[0] + lambdao[1]) + lambdao[2];
914: }
915: break;
916: case DM_POLYTOPE_QUADRILATERAL:
917: for (q = 0; q < Nq; q++) {
918: PetscReal xi[2], xio[2];
919: PetscInt oabs = (orient >= 0) ? orient : -(orient + 1);
921: xi[0] = geom->xi[2 * q];
922: xi[1] = geom->xi[2 * q + 1];
923: switch (oabs) {
924: case 1:
925: xio[0] = xi[1];
926: xio[1] = -xi[0];
927: break;
928: case 2:
929: xio[0] = -xi[0];
930: xio[1] = -xi[1];
931: case 3:
932: xio[0] = -xi[1];
933: xio[1] = xi[0];
934: case 0:
935: default:
936: xio[0] = xi[0];
937: xio[1] = xi[1];
938: break;
939: }
940: if (orient < 0) {
941: xio[0] = -xio[0];
942: }
943: orientPoints[o][2 * q + 0] = xio[0];
944: orientPoints[o][2 * q + 1] = xio[1];
945: }
946: break;
947: default: SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Cell type %s not yet supported\n", DMPolytopeTypes[ct]);
948: }
949: }
950: }
951: for (f = 0; f < coneSize; f++) {
952: PetscInt face = coneK[f];
953: PetscReal v0[3];
954: PetscReal J[9], detJ;
955: PetscInt numCells, offset;
956: PetscInt *cells;
957: IS suppIS;
959: DMPlexComputeCellGeometryFEM(K, face, NULL, v0, J, NULL, &detJ);
960: for (o = 0; o <= numOrient; o++) {
961: PetscFEGeom *cellGeom;
963: if (!counts[f][o]) continue;
964: /* If this (face,orientation) double appears,
965: * convert the face quadrature points into volume quadrature points */
966: for (q = 0; q < Nq; q++) {
967: PetscReal xi0[3] = {-1., -1., -1.};
969: CoordinatesRefToReal(dE, dim, xi0, v0, J, &orientPoints[o][dim * q + 0], &cellPoints[dE * q + 0]);
970: }
971: for (p = 0, numCells = 0; p < numFaces; p++) {
972: for (s = 0; s < 2; s++) {
973: if (co[p][s][0] == f && co[p][s][1] == o + minOrient) numCells++;
974: }
975: }
976: PetscMalloc1(numCells, &cells);
977: for (p = 0, offset = 0; p < numFaces; p++) {
978: for (s = 0; s < 2; s++) {
979: if (co[p][s][0] == f && co[p][s][1] == o + minOrient) {
980: cells[offset++] = co[p][s][2];
981: }
982: }
983: }
984: ISCreateGeneral(PETSC_COMM_SELF,numCells,cells,PETSC_USE_POINTER, &suppIS);
985: DMFieldCreateFEGeom(field,suppIS,cellQuad,PETSC_FALSE,&cellGeom);
986: for (p = 0, offset = 0; p < numFaces; p++) {
987: for (s = 0; s < 2; s++) {
988: if (co[p][s][0] == f && co[p][s][1] == o + minOrient) {
989: for (q = 0; q < Nq * dE * dE; q++) {
990: geom->suppJ[s][p * Nq * dE * dE + q] = cellGeom->J[offset * Nq * dE * dE + q];
991: geom->suppInvJ[s][p * Nq * dE * dE + q] = cellGeom->invJ[offset * Nq * dE * dE + q];
992: }
993: for (q = 0; q < Nq; q++) geom->suppDetJ[s][p * Nq + q] = cellGeom->detJ[offset * Nq + q];
994: offset++;
995: }
996: }
997: }
998: PetscFEGeomDestroy(&cellGeom);
999: ISDestroy(&suppIS);
1000: PetscFree(cells);
1001: }
1002: }
1003: for (o = 0; o < numOrient; o++) {
1004: if (orients[o]) {
1005: PetscFree(orientPoints[o]);
1006: }
1007: }
1008: PetscFree2(orients,orientPoints);
1009: PetscQuadratureDestroy(&cellQuad);
1010: for (f = 0; f < coneSize; f++) {PetscFree(counts[f]);}
1011: PetscFree2(co,counts);
1012: }
1013: ISRestoreIndices(pointIS, &points);
1014: ISDestroy(&cellIS);
1015: return(0);
1016: }
1018: static PetscErrorCode DMFieldInitialize_DS(DMField field)
1019: {
1021: field->ops->destroy = DMFieldDestroy_DS;
1022: field->ops->evaluate = DMFieldEvaluate_DS;
1023: field->ops->evaluateFE = DMFieldEvaluateFE_DS;
1024: field->ops->evaluateFV = DMFieldEvaluateFV_DS;
1025: field->ops->getDegree = DMFieldGetDegree_DS;
1026: field->ops->createDefaultQuadrature = DMFieldCreateDefaultQuadrature_DS;
1027: field->ops->view = DMFieldView_DS;
1028: field->ops->computeFaceData = DMFieldComputeFaceData_DS;
1029: return(0);
1030: }
1032: PETSC_INTERN PetscErrorCode DMFieldCreate_DS(DMField field)
1033: {
1034: DMField_DS *dsfield;
1038: PetscNewLog(field,&dsfield);
1039: field->data = dsfield;
1040: DMFieldInitialize_DS(field);
1041: return(0);
1042: }
1044: PetscErrorCode DMFieldCreateDS(DM dm, PetscInt fieldNum, Vec vec,DMField *field)
1045: {
1046: DMField b;
1047: DMField_DS *dsfield;
1048: PetscObject disc = NULL;
1049: PetscBool isContainer = PETSC_FALSE;
1050: PetscClassId id = -1;
1051: PetscInt numComponents = -1, dsNumFields;
1052: PetscSection section;
1056: DMGetLocalSection(dm,§ion);
1057: PetscSectionGetFieldComponents(section,fieldNum,&numComponents);
1058: DMGetNumFields(dm,&dsNumFields);
1059: if (dsNumFields) {DMGetField(dm,fieldNum,NULL,&disc);}
1060: if (disc) {
1061: PetscObjectGetClassId(disc,&id);
1062: isContainer = (id == PETSC_CONTAINER_CLASSID) ? PETSC_TRUE : PETSC_FALSE;
1063: }
1064: if (!disc || isContainer) {
1065: MPI_Comm comm = PetscObjectComm((PetscObject) dm);
1066: PetscInt cStart, cEnd, dim, cellHeight;
1067: PetscInt localConeSize = 0, coneSize;
1068: PetscFE fe;
1069: PetscDualSpace Q;
1070: PetscSpace P;
1071: DM K;
1072: PetscQuadrature quad, fquad;
1073: PetscBool isSimplex;
1075: DMPlexGetVTKCellHeight(dm, &cellHeight);
1076: DMPlexGetHeightStratum(dm, cellHeight, &cStart, &cEnd);
1077: DMGetDimension(dm, &dim);
1078: if (cEnd > cStart) {
1079: DMPlexGetConeSize(dm, cStart, &localConeSize);
1080: }
1081: MPI_Allreduce(&localConeSize,&coneSize,1,MPIU_INT,MPI_MAX,comm);
1082: isSimplex = (coneSize == (dim + 1)) ? PETSC_TRUE : PETSC_FALSE;
1083: PetscSpaceCreate(comm, &P);
1084: PetscSpaceSetType(P,PETSCSPACEPOLYNOMIAL);
1085: PetscSpaceSetDegree(P, 1, PETSC_DETERMINE);
1086: PetscSpaceSetNumComponents(P, numComponents);
1087: PetscSpaceSetNumVariables(P, dim);
1088: PetscSpacePolynomialSetTensor(P, isSimplex ? PETSC_FALSE : PETSC_TRUE);
1089: PetscSpaceSetUp(P);
1090: PetscDualSpaceCreate(comm, &Q);
1091: PetscDualSpaceSetType(Q,PETSCDUALSPACELAGRANGE);
1092: PetscDualSpaceCreateReferenceCell(Q, dim, isSimplex, &K);
1093: PetscDualSpaceSetDM(Q, K);
1094: DMDestroy(&K);
1095: PetscDualSpaceSetNumComponents(Q, numComponents);
1096: PetscDualSpaceSetOrder(Q, 1);
1097: PetscDualSpaceLagrangeSetTensor(Q, isSimplex ? PETSC_FALSE : PETSC_TRUE);
1098: PetscDualSpaceSetUp(Q);
1099: PetscFECreate(comm, &fe);
1100: PetscFESetType(fe,PETSCFEBASIC);
1101: PetscFESetBasisSpace(fe, P);
1102: PetscFESetDualSpace(fe, Q);
1103: PetscFESetNumComponents(fe, numComponents);
1104: PetscFESetUp(fe);
1105: PetscSpaceDestroy(&P);
1106: PetscDualSpaceDestroy(&Q);
1107: if (isSimplex) {
1108: PetscDTStroudConicalQuadrature(dim, 1, 1, -1.0, 1.0, &quad);
1109: PetscDTStroudConicalQuadrature(dim-1, 1, 1, -1.0, 1.0, &fquad);
1110: }
1111: else {
1112: PetscDTGaussTensorQuadrature(dim, 1, 1, -1.0, 1.0, &quad);
1113: PetscDTGaussTensorQuadrature(dim-1, 1, 1, -1.0, 1.0, &fquad);
1114: }
1115: PetscFESetQuadrature(fe, quad);
1116: PetscFESetFaceQuadrature(fe, fquad);
1117: PetscQuadratureDestroy(&quad);
1118: PetscQuadratureDestroy(&fquad);
1119: disc = (PetscObject) fe;
1120: } else {
1121: PetscObjectReference(disc);
1122: }
1123: PetscObjectGetClassId(disc,&id);
1124: if (id == PETSCFE_CLASSID) {
1125: PetscFE fe = (PetscFE) disc;
1127: PetscFEGetNumComponents(fe,&numComponents);
1128: } else {SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Not implemented");}
1129: DMFieldCreate(dm,numComponents,DMFIELD_VERTEX,&b);
1130: DMFieldSetType(b,DMFIELDDS);
1131: dsfield = (DMField_DS *) b->data;
1132: dsfield->fieldNum = fieldNum;
1133: DMGetDimension(dm,&dsfield->height);
1134: dsfield->height++;
1135: PetscCalloc1(dsfield->height,&dsfield->disc);
1136: dsfield->disc[0] = disc;
1137: PetscObjectReference((PetscObject)vec);
1138: dsfield->vec = vec;
1139: *field = b;
1141: return(0);
1142: }