Actual source code: dmfieldds.c
petsc-3.10.5 2019-03-28
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: 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;
110: dm = field->dm;
111: nc = field->numComponents;
112: PetscQuadratureGetData(quad,&dim,NULL,&nq,&qpoints,NULL);
113: DMFieldDSGetHeightDisc(field,dsfield->height - 1 - dim,&disc);
114: DMGetDimension(dm,&meshDim);
115: DMGetDefaultSection(dm,§ion);
116: PetscSectionGetField(section,dsfield->fieldNum,§ion);
117: PetscObjectGetClassId(disc,&classid);
118: /* TODO: batch */
119: PetscObjectTypeCompare((PetscObject)pointIS,ISSTRIDE,&isStride);
120: ISGetLocalSize(pointIS,&numCells);
121: if (isStride) {
122: ISStrideGetInfo(pointIS,&sfirst,&stride);
123: } else {
124: ISGetIndices(pointIS,&points);
125: }
126: if (classid == PETSCFE_CLASSID) {
127: PetscFE fe = (PetscFE) disc;
128: PetscInt feDim, i;
129: PetscReal *fB = NULL, *fD = NULL, *fH = NULL;
131: PetscFEGetDimension(fe,&feDim);
132: PetscFEGetTabulation(fe,nq,qpoints,B ? &fB : NULL,D ? &fD : NULL,H ? &fH : NULL);
133: for (i = 0; i < numCells; i++) {
134: PetscInt c = isStride ? (sfirst + i * stride) : points[i];
135: PetscInt closureSize;
136: PetscScalar *elem = NULL;
138: DMPlexVecGetClosure(dm,section,dsfield->vec,c,&closureSize,&elem);
139: if (B) {
140: if (type == PETSC_SCALAR) {
141: PetscScalar *cB = &((PetscScalar *) B)[nc * nq * i];
143: DMFieldDSdot(cB,fB,elem,nq,feDim,nc,(PetscScalar));
144: } else {
145: PetscReal *cB = &((PetscReal *) B)[nc * nq * i];
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];
154: DMFieldDSdot(cD,fD,elem,nq,feDim,(nc * dim),(PetscScalar));
155: } else {
156: PetscReal *cD = &((PetscReal *) D)[nc * nq * dim * i];
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];
165: DMFieldDSdot(cH,fH,elem,nq,feDim,(nc * dim * dim),(PetscScalar));
166: } else {
167: PetscReal *cH = &((PetscReal *) H)[nc * nq * dim * dim * i];
169: DMFieldDSdot(cH,fH,elem,nq,feDim,(nc * dim * dim),PetscRealPart);
170: }
171: }
172: DMPlexVecRestoreClosure(dm,section,dsfield->vec,c,&closureSize,&elem);
173: }
174: PetscFERestoreTabulation(fe,nq,qpoints,B ? &fB : NULL,D ? &fD : NULL,H ? &fH : NULL);
175: } else {SETERRQ(PetscObjectComm((PetscObject)field),PETSC_ERR_SUP,"Not implemented");}
176: if (!isStride) {
177: ISRestoreIndices(pointIS,&points);
178: }
179: PetscSectionDestroy(§ion);
180: return(0);
181: }
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;
206: nc = field->numComponents;
207: DMGetDefaultSection(field->dm,§ion);
208: DMFieldDSGetHeightDisc(field,0,&cellDisc);
209: PetscObjectGetClassId(cellDisc, &discID);
210: if (discID != PETSCFE_CLASSID) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB, "Discretization type not supported\n");
211: cellFE = (PetscFE) cellDisc;
212: PetscFEGetDimension(cellFE,&feDim);
213: DMGetCoordinateDim(field->dm, &dim);
214: DMGetDimension(field->dm, &dimR);
215: DMLocatePoints(field->dm, points, DM_POINTLOCATION_NONE, &cellSF);
216: PetscSFGetGraph(cellSF, &numCells, &nFound, NULL, &cells);
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: PetscSFComputeDegreeBegin(cellSF,&cellDegrees);
221: PetscSFComputeDegreeEnd(cellSF,&cellDegrees);
222: for (c = 0, gatherSize = 0, gatherMax = 0; c < numCells; c++) {
223: gatherMax = PetscMax(gatherMax,cellDegrees[c]);
224: gatherSize += cellDegrees[c];
225: }
226: PetscMalloc3(gatherSize*dim,&cellPoints,gatherMax*dim,&coordsReal,gatherMax*dimR,&coordsRef);
227: PetscMalloc4(gatherMax*dimR,&v,gatherMax*dimR*dimR,&J,gatherMax*dimR*dimR,&invJ,gatherMax,&detJ);
228: if (datatype == PETSC_SCALAR) {
229: PetscMalloc3(B ? nc * gatherSize : 0, &cellBs, D ? nc * dim * gatherSize : 0, &cellDs, H ? nc * dim * dim * gatherSize : 0, &cellHs);
230: } else {
231: PetscMalloc3(B ? nc * gatherSize : 0, &cellBr, D ? nc * dim * gatherSize : 0, &cellDr, H ? nc * dim * dim * gatherSize : 0, &cellHr);
232: }
234: MPI_Type_contiguous(dim,MPIU_SCALAR,&pointType);
235: MPI_Type_commit(&pointType);
236: VecGetArrayRead(points,&pointsArray);
237: PetscSFGatherBegin(cellSF, pointType, pointsArray, cellPoints);
238: PetscSFGatherEnd(cellSF, pointType, pointsArray, cellPoints);
239: VecRestoreArrayRead(points,&pointsArray);
240: for (c = 0, offset = 0; c < numCells; c++) {
241: PetscInt nq = cellDegrees[c], p;
243: if (nq) {
244: PetscReal *fB, *fD, *fH;
245: PetscInt closureSize;
246: PetscScalar *elem = NULL;
247: PetscReal *quadPoints;
248: PetscQuadrature quad;
249: PetscInt d, e, f, g;
251: for (p = 0; p < dim * nq; p++) coordsReal[p] = PetscRealPart(cellPoints[dim * offset + p]);
252: DMPlexCoordinatesToReference(field->dm, c, nq, coordsReal, coordsRef);
253: PetscFEGetTabulation(cellFE,nq,coordsRef,B ? &fB : NULL,D ? &fD : NULL,H ? &fH : NULL);
254: PetscQuadratureCreate(PETSC_COMM_SELF, &quad);
255: PetscMalloc1(dimR * nq, &quadPoints);
256: for (p = 0; p < dimR * nq; p++) quadPoints[p] = coordsRef[p];
257: PetscQuadratureSetData(quad, dimR, 0, nq, quadPoints, NULL);
258: DMPlexComputeCellGeometryFEM(field->dm, c, quad, v, J, invJ, detJ);
259: PetscQuadratureDestroy(&quad);
260: DMPlexVecGetClosure(field->dm,section,dsfield->vec,c,&closureSize,&elem);
261: if (B) {
262: if (datatype == PETSC_SCALAR) {
263: PetscScalar *cB = &cellBs[nc * offset];
265: DMFieldDSdot(cB,fB,elem,nq,feDim,nc,(PetscScalar));
266: } else {
267: PetscReal *cB = &cellBr[nc * offset];
269: DMFieldDSdot(cB,fB,elem,nq,feDim,nc,PetscRealPart);
270: }
271: }
272: if (D) {
273: if (datatype == PETSC_SCALAR) {
274: PetscScalar *cD = &cellDs[nc * dim * offset];
276: DMFieldDSdot(cD,fD,elem,nq,feDim,(nc * dim),(PetscScalar));
277: for (p = 0; p < nq; p++) {
278: for (g = 0; g < nc; g++) {
279: PetscScalar vs[3];
281: for (d = 0; d < dimR; d++) {
282: vs[d] = 0.;
283: for (e = 0; e < dimR; e++) {
284: vs[d] += invJ[dimR * dimR * p + e * dimR + d] * cD[(nc * p + g) * dimR + e];
285: }
286: }
287: for (d = 0; d < dimR; d++) {
288: cD[(nc * p + g) * dimR + d] = vs[d];
289: }
290: }
291: }
292: } else {
293: PetscReal *cD = &cellDr[nc * dim * offset];
295: DMFieldDSdot(cD,fD,elem,nq,feDim,(nc * dim),PetscRealPart);
296: for (p = 0; p < nq; p++) {
297: for (g = 0; g < nc; g++) {
298: for (d = 0; d < dimR; d++) {
299: v[d] = 0.;
300: for (e = 0; e < dimR; e++) {
301: v[d] += invJ[dimR * dimR * p + e * dimR + d] * cD[(nc * p + g) * dimR + e];
302: }
303: }
304: for (d = 0; d < dimR; d++) {
305: cD[(nc * p + g) * dimR + d] = v[d];
306: }
307: }
308: }
309: }
310: }
311: if (H) {
312: if (datatype == PETSC_SCALAR) {
313: PetscScalar *cH = &cellHs[nc * dim * dim * offset];
315: DMFieldDSdot(cH,fH,elem,nq,feDim,(nc * dim * dim),(PetscScalar));
316: for (p = 0; p < nq; p++) {
317: for (g = 0; g < nc * dimR; g++) {
318: PetscScalar vs[3];
320: for (d = 0; d < dimR; d++) {
321: vs[d] = 0.;
322: for (e = 0; e < dimR; e++) {
323: vs[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[(nc * dimR * p + g) * dimR + e];
324: }
325: }
326: for (d = 0; d < dimR; d++) {
327: cH[(nc * dimR * p + g) * dimR + d] = vs[d];
328: }
329: }
330: for (g = 0; g < nc; g++) {
331: for (f = 0; f < dimR; f++) {
332: PetscScalar vs[3];
334: for (d = 0; d < dimR; d++) {
335: vs[d] = 0.;
336: for (e = 0; e < dimR; e++) {
337: vs[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[((nc * p + g) * dimR + e) * dimR + f];
338: }
339: }
340: for (d = 0; d < dimR; d++) {
341: cH[((nc * p + g) * dimR + d) * dimR + f] = vs[d];
342: }
343: }
344: }
345: }
346: } else {
347: PetscReal *cH = &cellHr[nc * dim * dim * offset];
349: DMFieldDSdot(cH,fH,elem,nq,feDim,(nc * dim * dim),PetscRealPart);
350: for (p = 0; p < nq; p++) {
351: for (g = 0; g < nc * dimR; g++) {
352: for (d = 0; d < dimR; d++) {
353: v[d] = 0.;
354: for (e = 0; e < dimR; e++) {
355: v[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[(nc * dimR * p + g) * dimR + e];
356: }
357: }
358: for (d = 0; d < dimR; d++) {
359: cH[(nc * dimR * p + g) * dimR + d] = v[d];
360: }
361: }
362: for (g = 0; g < nc; g++) {
363: for (f = 0; f < dimR; f++) {
364: for (d = 0; d < dimR; d++) {
365: v[d] = 0.;
366: for (e = 0; e < dimR; e++) {
367: v[d] += invJ[dimR * dimR * p + e * dimR + d] * cH[((nc * p + g) * dimR + e) * dimR + f];
368: }
369: }
370: for (d = 0; d < dimR; d++) {
371: cH[((nc * p + g) * dimR + d) * dimR + f] = v[d];
372: }
373: }
374: }
375: }
376: }
377: }
378: DMPlexVecRestoreClosure(field->dm,section,dsfield->vec,c,&closureSize,&elem);
379: PetscFERestoreTabulation(cellFE,nq,coordsRef,B ? &fB : NULL,D ? &fD : NULL,H ? &fH : NULL);
380: }
381: offset += nq;
382: }
383: {
384: MPI_Datatype origtype;
386: if (datatype == PETSC_SCALAR) {
387: origtype = MPIU_SCALAR;
388: } else {
389: origtype = MPIU_REAL;
390: }
391: if (B) {
392: MPI_Datatype Btype;
394: MPI_Type_contiguous(nc, origtype, &Btype);
395: MPI_Type_commit(&Btype);
396: PetscSFScatterBegin(cellSF,Btype,(datatype == PETSC_SCALAR) ? (void *) cellBs : (void *) cellBr, B);
397: PetscSFScatterEnd(cellSF,Btype,(datatype == PETSC_SCALAR) ? (void *) cellBs : (void *) cellBr, B);
398: MPI_Type_free(&Btype);
399: }
400: if (D) {
401: MPI_Datatype Dtype;
403: MPI_Type_contiguous(nc * dim, origtype, &Dtype);
404: MPI_Type_commit(&Dtype);
405: PetscSFScatterBegin(cellSF,Dtype,(datatype == PETSC_SCALAR) ? (void *) cellDs : (void *) cellDr, D);
406: PetscSFScatterEnd(cellSF,Dtype,(datatype == PETSC_SCALAR) ? (void *) cellDs : (void *) cellDr, D);
407: MPI_Type_free(&Dtype);
408: }
409: if (H) {
410: MPI_Datatype Htype;
412: MPI_Type_contiguous(nc * dim * dim, origtype, &Htype);
413: MPI_Type_commit(&Htype);
414: PetscSFScatterBegin(cellSF,Htype,(datatype == PETSC_SCALAR) ? (void *) cellHs : (void *) cellHr, H);
415: PetscSFScatterEnd(cellSF,Htype,(datatype == PETSC_SCALAR) ? (void *) cellHs : (void *) cellHr, H);
416: MPI_Type_free(&Htype);
417: }
418: }
419: PetscFree4(v,J,invJ,detJ);
420: PetscFree3(cellBr, cellDr, cellHr);
421: PetscFree3(cellBs, cellDs, cellHs);
422: PetscFree3(cellPoints,coordsReal,coordsRef);
423: MPI_Type_free(&pointType);
424: PetscSFDestroy(&cellSF);
425: return(0);
426: }
428: static PetscErrorCode DMFieldEvaluateFV_DS(DMField field, IS pointIS, PetscDataType type, void *B, void *D, void *H)
429: {
430: DMField_DS *dsfield = (DMField_DS *) field->data;
431: PetscInt h, imin;
432: PetscInt dim;
433: PetscClassId id;
434: PetscQuadrature quad = NULL;
435: PetscInt maxDegree;
436: PetscFEGeom *geom;
437: PetscInt Nq, Nc, dimC, qNc, N;
438: PetscInt numPoints;
439: void *qB = NULL, *qD = NULL, *qH = NULL;
440: const PetscReal *weights;
441: MPI_Datatype mpitype = type == PETSC_SCALAR ? MPIU_SCALAR : MPIU_REAL;
442: PetscObject disc;
443: DMField coordField;
444: PetscErrorCode ierr;
447: Nc = field->numComponents;
448: DMGetCoordinateDim(field->dm, &dimC);
449: DMGetDimension(field->dm, &dim);
450: ISGetLocalSize(pointIS, &numPoints);
451: ISGetMinMax(pointIS,&imin,NULL);
452: for (h = 0; h < dsfield->height; h++) {
453: PetscInt hEnd;
455: DMPlexGetHeightStratum(field->dm,h,NULL,&hEnd);
456: if (imin < hEnd) break;
457: }
458: dim -= h;
459: DMFieldDSGetHeightDisc(field,h,&disc);
460: PetscObjectGetClassId(disc,&id);
461: if (id != PETSCFE_CLASSID) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Discretization not supported\n");
462: DMGetCoordinateField(field->dm, &coordField);
463: DMFieldGetDegree(coordField, pointIS, NULL, &maxDegree);
464: if (maxDegree <= 1) {
465: DMFieldCreateDefaultQuadrature(coordField, pointIS, &quad);
466: }
467: if (!quad) {DMFieldCreateDefaultQuadrature(field, pointIS, &quad);}
468: if (!quad) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Could not determine quadrature for cell averages\n");
469: DMFieldCreateFEGeom(coordField,pointIS,quad,PETSC_FALSE,&geom);
470: PetscQuadratureGetData(quad, NULL, &qNc, &Nq, NULL, &weights);
471: if (qNc != 1) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Expected scalar quadrature components\n");
472: N = numPoints * Nq * Nc;
473: if (B) DMGetWorkArray(field->dm, N, mpitype, &qB);
474: if (D) DMGetWorkArray(field->dm, N * dimC, mpitype, &qD);
475: if (H) DMGetWorkArray(field->dm, N * dimC * dimC, mpitype, &qH);
476: DMFieldEvaluateFE(field,pointIS,quad,type,qB,qD,qH);
477: if (B) {
478: PetscInt i, j, k;
480: if (type == PETSC_SCALAR) {
481: PetscScalar * sB = (PetscScalar *) B;
482: PetscScalar * sqB = (PetscScalar *) qB;
484: for (i = 0; i < numPoints; i++) {
485: PetscReal vol = 0.;
487: for (j = 0; j < Nc; j++) {sB[i * Nc + j] = 0.;}
488: for (k = 0; k < Nq; k++) {
489: vol += geom->detJ[i * Nq + k] * weights[k];
490: for (j = 0; j < Nc; j++) {
491: sB[i * Nc + j] += geom->detJ[i * Nq + k] * weights[k] * sqB[ (i * Nq + k) * Nc + j];
492: }
493: }
494: for (k = 0; k < Nq * Nc; k++) sB[i * Nq * Nc + k] /= vol;
495: }
496: } else {
497: PetscReal * rB = (PetscReal *) B;
498: PetscReal * rqB = (PetscReal *) qB;
500: for (i = 0; i < numPoints; i++) {
501: PetscReal vol = 0.;
503: for (j = 0; j < Nc; j++) {rB[i * Nc + j] = 0.;}
504: for (k = 0; k < Nq; k++) {
505: vol += geom->detJ[i * Nq + k] * weights[k];
506: for (j = 0; j < Nc; j++) {
507: rB[i * Nc + j] += weights[k] * rqB[ (i * Nq + k) * Nc + j];
508: }
509: }
510: for (k = 0; k < Nc; k++) rB[i * Nc + k] /= vol;
511: }
512: }
513: }
514: if (D) {
515: PetscInt i, j, k, l, m;
517: if (type == PETSC_SCALAR) {
518: PetscScalar * sD = (PetscScalar *) D;
519: PetscScalar * sqD = (PetscScalar *) qD;
521: for (i = 0; i < numPoints; i++) {
522: PetscReal vol = 0.;
524: for (j = 0; j < Nc * dimC; j++) {sD[i * Nc * dimC + j] = 0.;}
525: for (k = 0; k < Nq; k++) {
526: vol += geom->detJ[i * Nq + k] * weights[k];
527: for (j = 0; j < Nc; j++) {
528: PetscScalar pD[3] = {0.,0.,0.};
530: for (l = 0; l < dimC; l++) {
531: for (m = 0; m < dim; m++) {
532: pD[l] += geom->invJ[((i * Nq + k) * dimC + m) * dimC + l] * sqD[((i * Nq + k) * Nc + j) * dim + m];
533: }
534: }
535: for (l = 0; l < dimC; l++) {
536: sD[(i * Nc + j) * dimC + l] += geom->detJ[i * Nq + k] * weights[k] * pD[l];
537: }
538: }
539: }
540: for (k = 0; k < Nc * dimC; k++) sD[i * Nc * dimC + k] /= vol;
541: }
542: } else {
543: PetscReal * rD = (PetscReal *) D;
544: PetscReal * rqD = (PetscReal *) qD;
546: for (i = 0; i < numPoints; i++) {
547: PetscReal vol = 0.;
549: for (j = 0; j < Nc * dimC; j++) {rD[i * Nc * dimC + j] = 0.;}
550: for (k = 0; k < Nq; k++) {
551: vol += geom->detJ[i * Nq + k] * weights[k];
552: for (j = 0; j < Nc; j++) {
553: PetscReal pD[3] = {0.,0.,0.};
555: for (l = 0; l < dimC; l++) {
556: for (m = 0; m < dim; m++) {
557: pD[l] += geom->invJ[((i * Nq + k) * dimC + m) * dimC + l] * rqD[((i * Nq + k) * Nc + j) * dim + m];
558: }
559: }
560: for (l = 0; l < dimC; l++) {
561: rD[(i * Nc + j) * dimC + l] += geom->detJ[i * Nq + k] * weights[k] * pD[l];
562: }
563: }
564: }
565: for (k = 0; k < Nc * dimC; k++) rD[i * Nc * dimC + k] /= vol;
566: }
567: }
568: }
569: if (H) {
570: PetscInt i, j, k, l, m, q, r;
572: if (type == PETSC_SCALAR) {
573: PetscScalar * sH = (PetscScalar *) H;
574: PetscScalar * sqH = (PetscScalar *) qH;
576: for (i = 0; i < numPoints; i++) {
577: PetscReal vol = 0.;
579: for (j = 0; j < Nc * dimC * dimC; j++) {sH[i * Nc * dimC * dimC + j] = 0.;}
580: for (k = 0; k < Nq; k++) {
581: const PetscReal *invJ = &geom->invJ[(i * Nq + k) * dimC * dimC];
583: vol += geom->detJ[i * Nq + k] * weights[k];
584: for (j = 0; j < Nc; j++) {
585: PetscScalar pH[3][3] = {{0.,0.,0.},{0.,0.,0.},{0.,0.,0.}};
586: const PetscScalar *spH = &sqH[((i * Nq + k) * Nc + j) * dimC * dimC];
588: for (l = 0; l < dimC; l++) {
589: for (m = 0; m < dimC; m++) {
590: for (q = 0; q < dim; q++) {
591: for (r = 0; r < dim; r++) {
592: pH[l][m] += invJ[q * dimC + l] * invJ[r * dimC + m] * spH[q * dim + r];
593: }
594: }
595: }
596: }
597: for (l = 0; l < dimC; l++) {
598: for (m = 0; m < dimC; m++) {
599: sH[(i * Nc + j) * dimC * dimC + l * dimC + m] += geom->detJ[i * Nq + k] * weights[k] * pH[l][m];
600: }
601: }
602: }
603: }
604: for (k = 0; k < Nc * dimC * dimC; k++) sH[i * Nc * dimC * dimC + k] /= vol;
605: }
606: } else {
607: PetscReal * rH = (PetscReal *) H;
608: PetscReal * rqH = (PetscReal *) qH;
610: for (i = 0; i < numPoints; i++) {
611: PetscReal vol = 0.;
613: for (j = 0; j < Nc * dimC * dimC; j++) {rH[i * Nc * dimC * dimC + j] = 0.;}
614: for (k = 0; k < Nq; k++) {
615: const PetscReal *invJ = &geom->invJ[(i * Nq + k) * dimC * dimC];
617: vol += geom->detJ[i * Nq + k] * weights[k];
618: for (j = 0; j < Nc; j++) {
619: PetscReal pH[3][3] = {{0.,0.,0.},{0.,0.,0.},{0.,0.,0.}};
620: const PetscReal *rpH = &rqH[((i * Nq + k) * Nc + j) * dimC * dimC];
622: for (l = 0; l < dimC; l++) {
623: for (m = 0; m < dimC; m++) {
624: for (q = 0; q < dim; q++) {
625: for (r = 0; r < dim; r++) {
626: pH[l][m] += invJ[q * dimC + l] * invJ[r * dimC + m] * rpH[q * dim + r];
627: }
628: }
629: }
630: }
631: for (l = 0; l < dimC; l++) {
632: for (m = 0; m < dimC; m++) {
633: rH[(i * Nc + j) * dimC * dimC + l * dimC + m] += geom->detJ[i * Nq + k] * weights[k] * pH[l][m];
634: }
635: }
636: }
637: }
638: for (k = 0; k < Nc * dimC * dimC; k++) rH[i * Nc * dimC * dimC + k] /= vol;
639: }
640: }
641: }
642: if (B) DMRestoreWorkArray(field->dm, N, mpitype, &qB);
643: if (D) DMRestoreWorkArray(field->dm, N * dimC, mpitype, &qD);
644: if (H) DMRestoreWorkArray(field->dm, N * dimC * dimC, mpitype, &qH);
645: PetscFEGeomDestroy(&geom);
646: PetscQuadratureDestroy(&quad);
647: return(0);
648: }
650: static PetscErrorCode DMFieldGetDegree_DS(DMField field, IS pointIS, PetscInt *minDegree, PetscInt *maxDegree)
651: {
652: DMField_DS *dsfield;
653: PetscObject disc;
654: PetscInt h, imin, imax;
655: PetscClassId id;
659: dsfield = (DMField_DS *) field->data;
660: ISGetMinMax(pointIS,&imin,&imax);
661: if (imin >= imax) {
662: h = 0;
663: } else {
664: for (h = 0; h < dsfield->height; h++) {
665: PetscInt hEnd;
667: DMPlexGetHeightStratum(field->dm,h,NULL,&hEnd);
668: if (imin < hEnd) break;
669: }
670: }
671: DMFieldDSGetHeightDisc(field,h,&disc);
672: PetscObjectGetClassId(disc,&id);
673: if (id == PETSCFE_CLASSID) {
674: PetscFE fe = (PetscFE) disc;
675: PetscSpace sp;
677: PetscFEGetBasisSpace(fe, &sp);
678: PetscSpaceGetDegree(sp, minDegree, maxDegree);
679: }
680: return(0);
681: }
683: static PetscErrorCode DMFieldCreateDefaultQuadrature_DS(DMField field, IS pointIS, PetscQuadrature *quad)
684: {
685: PetscInt h, dim, imax, imin, cellHeight;
686: DM dm;
687: DMField_DS *dsfield;
688: PetscObject disc;
689: PetscFE fe;
690: PetscClassId id;
695: dm = field->dm;
696: dsfield = (DMField_DS *) field->data;
697: ISGetMinMax(pointIS,&imin,&imax);
698: DMGetDimension(dm,&dim);
699: for (h = 0; h <= dim; h++) {
700: PetscInt hStart, hEnd;
702: DMPlexGetHeightStratum(dm,h,&hStart,&hEnd);
703: if (imax >= hStart && imin < hEnd) break;
704: }
705: DMPlexGetVTKCellHeight(dm, &cellHeight);
706: h -= cellHeight;
707: *quad = NULL;
708: if (h < dsfield->height) {
709: DMFieldDSGetHeightDisc(field,h,&disc);
710: PetscObjectGetClassId(disc,&id);
711: if (id != PETSCFE_CLASSID) return(0);
712: fe = (PetscFE) disc;
713: PetscFEGetQuadrature(fe,quad);
714: PetscObjectReference((PetscObject)*quad);
715: }
716: return(0);
717: }
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;
730: dim = geom->dim;
731: dE = geom->dimEmbed;
732: DMPlexGetDepthLabel(dm, &depthLabel);
733: DMLabelGetStratumIS(depthLabel, dim + 1, &cellIS);
734: DMFieldGetDegree(field,cellIS,NULL,&maxDegree);
735: ISGetIndices(pointIS, &points);
736: numFaces = geom->numCells;
737: Nq = geom->numPoints;
738: if (maxDegree <= 1) {
739: PetscInt numCells, offset, *cells;
740: PetscFEGeom *cellGeom;
741: IS suppIS;
742: PetscQuadrature cellQuad = NULL;
744: DMFieldCreateDefaultQuadrature(field,cellIS,&cellQuad);
745: for (p = 0, numCells = 0; p < numFaces; p++) {
746: PetscInt point = points[p];
747: PetscInt numSupp, numChildren;
749: DMPlexGetTreeChildren(dm, point, &numChildren, NULL);
750: if (numChildren) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Face data not valid for facets with children");
751: DMPlexGetSupportSize(dm, point,&numSupp);
752: if (numSupp > 2) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Point %D has %D support, expected at most 2\n", point, numSupp);
753: numCells += numSupp;
754: }
755: PetscMalloc1(numCells, &cells);
756: for (p = 0, offset = 0; p < numFaces; p++) {
757: PetscInt point = points[p];
758: PetscInt numSupp, s;
759: const PetscInt *supp;
761: DMPlexGetSupportSize(dm, point,&numSupp);
762: DMPlexGetSupport(dm, point, &supp);
763: for (s = 0; s < numSupp; s++, offset++) {
764: cells[offset] = supp[s];
765: }
766: }
767: ISCreateGeneral(PETSC_COMM_SELF,numCells,cells,PETSC_USE_POINTER, &suppIS);
768: DMFieldCreateFEGeom(field,suppIS,cellQuad,PETSC_FALSE,&cellGeom);
769: for (p = 0, offset = 0; p < numFaces; p++) {
770: PetscInt point = points[p];
771: PetscInt numSupp, s, q;
772: const PetscInt *supp;
774: DMPlexGetSupportSize(dm, point,&numSupp);
775: DMPlexGetSupport(dm, point, &supp);
776: for (s = 0; s < numSupp; s++, offset++) {
777: for (q = 0; q < Nq * dE * dE; q++) {
778: geom->suppInvJ[s][p * Nq * dE * dE + q] = cellGeom->invJ[offset * Nq * dE * dE + q];
779: }
780: }
781: }
782: PetscFEGeomDestroy(&cellGeom);
783: ISDestroy(&suppIS);
784: PetscFree(cells);
785: PetscQuadratureDestroy(&cellQuad);
786: } else {
787: PetscObject faceDisc, cellDisc;
788: PetscClassId faceId, cellId;
789: PetscDualSpace dsp;
790: DM K;
791: PetscInt (*co)[2][3];
792: PetscInt coneSize;
793: PetscInt **counts;
794: PetscInt f, i, o, q, s;
795: const PetscInt *coneK;
796: PetscInt minOrient, maxOrient, numOrient;
797: PetscInt *orients;
798: PetscReal **orientPoints;
799: PetscReal *cellPoints;
800: PetscReal *dummyWeights;
801: PetscQuadrature cellQuad = NULL;
803: DMFieldDSGetHeightDisc(field, 1, &faceDisc);
804: DMFieldDSGetHeightDisc(field, 0, &cellDisc);
805: PetscObjectGetClassId(faceDisc,&faceId);
806: PetscObjectGetClassId(cellDisc,&cellId);
807: if (faceId != PETSCFE_CLASSID || cellId != PETSCFE_CLASSID) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Not supported\n");
808: PetscFEGetDualSpace((PetscFE)cellDisc, &dsp);
809: PetscDualSpaceGetDM(dsp, &K);
810: DMPlexGetConeSize(K,0,&coneSize);
811: DMPlexGetCone(K,0,&coneK);
812: PetscMalloc2(numFaces, &co, coneSize, &counts);
813: PetscMalloc1(dE*Nq, &cellPoints);
814: PetscMalloc1(Nq, &dummyWeights);
815: PetscQuadratureCreate(PetscObjectComm((PetscObject)field), &cellQuad);
816: PetscQuadratureSetData(cellQuad, dE, 1, Nq, cellPoints, dummyWeights);
817: minOrient = PETSC_MAX_INT;
818: maxOrient = PETSC_MIN_INT;
819: for (p = 0; p < numFaces; p++) { /* record the orientation of the facet wrt the support cells */
820: PetscInt point = points[p];
821: PetscInt numSupp, numChildren;
822: const PetscInt *supp;
824: DMPlexGetTreeChildren(dm, point, &numChildren, NULL);
825: if (numChildren) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Face data not valid for facets with children");
826: DMPlexGetSupportSize(dm, point,&numSupp);
827: if (numSupp > 2) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Point %D has %D support, expected at most 2\n", point, numSupp);
828: DMPlexGetSupport(dm, point, &supp);
829: for (s = 0; s < numSupp; s++) {
830: PetscInt cell = supp[s];
831: PetscInt numCone;
832: const PetscInt *cone, *orient;
834: DMPlexGetConeSize(dm, cell, &numCone);
835: if (numCone != coneSize) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Support point does not match reference element");
836: DMPlexGetCone(dm, cell, &cone);
837: DMPlexGetConeOrientation(dm, cell, &orient);
838: for (f = 0; f < coneSize; f++) {
839: if (cone[f] == point) break;
840: }
841: co[p][s][0] = f;
842: co[p][s][1] = orient[f];
843: co[p][s][2] = cell;
844: minOrient = PetscMin(minOrient, orient[f]);
845: maxOrient = PetscMax(maxOrient, orient[f]);
846: }
847: for (; s < 2; s++) {
848: co[p][s][0] = -1;
849: co[p][s][1] = -1;
850: co[p][s][2] = -1;
851: }
852: }
853: numOrient = maxOrient + 1 - minOrient;
854: DMPlexGetCone(K,0,&coneK);
855: /* count all (face,orientation) doubles that appear */
856: PetscCalloc2(numOrient,&orients,numOrient,&orientPoints);
857: for (f = 0; f < coneSize; f++) {PetscCalloc1(numOrient+1, &counts[f]);}
858: for (p = 0; p < numFaces; p++) {
859: for (s = 0; s < 2; s++) {
860: if (co[p][s][0] >= 0) {
861: counts[co[p][s][0]][co[p][s][1] - minOrient]++;
862: orients[co[p][s][1] - minOrient]++;
863: }
864: }
865: }
866: for (o = 0; o < numOrient; o++) {
867: if (orients[o]) {
868: PetscInt orient = o + minOrient;
869: PetscInt q;
871: PetscMalloc1(Nq * dim, &orientPoints[o]);
872: /* rotate the quadrature points appropriately */
873: switch (dim) {
874: case 0:
875: break;
876: case 1:
877: if (orient == -2 || orient == 1) {
878: for (q = 0; q < Nq; q++) {
879: orientPoints[o][q] = -geom->xi[q];
880: }
881: } else {
882: for (q = 0; q < Nq; q++) {
883: orientPoints[o][q] = geom->xi[q];
884: }
885: }
886: break;
887: case 2:
888: switch (coneSize) {
889: case 3:
890: for (q = 0; q < Nq; q++) {
891: PetscReal lambda[3];
892: PetscReal lambdao[3];
894: /* convert to barycentric */
895: lambda[0] = - (geom->xi[2 * q] + geom->xi[2 * q + 1]) / 2.;
896: lambda[1] = (geom->xi[2 * q] + 1.) / 2.;
897: lambda[2] = (geom->xi[2 * q + 1] + 1.) / 2.;
898: if (orient >= 0) {
899: for (i = 0; i < 3; i++) {
900: lambdao[i] = lambda[(orient + i) % 3];
901: }
902: } else {
903: for (i = 0; i < 3; i++) {
904: lambdao[i] = lambda[(-(orient + i) + 3) % 3];
905: }
906: }
907: /* convert to coordinates */
908: orientPoints[o][2 * q + 0] = -(lambdao[0] + lambdao[2]) + lambdao[1];
909: orientPoints[o][2 * q + 1] = -(lambdao[0] + lambdao[1]) + lambdao[2];
910: }
911: break;
912: case 4:
913: for (q = 0; q < Nq; q++) {
914: PetscReal xi[2], xio[2];
915: PetscInt oabs = (orient >= 0) ? orient : -(orient + 1);
917: xi[0] = geom->xi[2 * q];
918: xi[1] = geom->xi[2 * q + 1];
919: switch (oabs) {
920: case 1:
921: xio[0] = xi[1];
922: xio[1] = -xi[0];
923: break;
924: case 2:
925: xio[0] = -xi[0];
926: xio[1] = -xi[1];
927: case 3:
928: xio[0] = -xi[1];
929: xio[1] = xi[0];
930: case 0:
931: default:
932: xio[0] = xi[0];
933: xio[1] = xi[1];
934: break;
935: }
936: if (orient < 0) {
937: xio[0] = -xio[0];
938: }
939: orientPoints[o][2 * q + 0] = xio[0];
940: orientPoints[o][2 * q + 1] = xio[1];
941: }
942: break;
943: default:
944: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Not implemented yet\n");
945: }
946: default:
947: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Not implemented yet\n");
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->suppInvJ[s][p * Nq * dE * dE + q] = cellGeom->invJ[offset * Nq * dE * dE + q];
991: }
992: offset++;
993: }
994: }
995: }
996: PetscFEGeomDestroy(&cellGeom);
997: ISDestroy(&suppIS);
998: PetscFree(cells);
999: }
1000: }
1001: for (o = 0; o < numOrient; o++) {
1002: if (orients[o]) {
1003: PetscFree(orientPoints[o]);
1004: }
1005: }
1006: PetscFree2(orients,orientPoints);
1007: PetscQuadratureDestroy(&cellQuad);
1008: PetscFree2(co,counts);
1009: }
1010: ISRestoreIndices(pointIS, &points);
1011: ISDestroy(&cellIS);
1012: return(0);
1013: }
1015: static PetscErrorCode DMFieldInitialize_DS(DMField field)
1016: {
1018: field->ops->destroy = DMFieldDestroy_DS;
1019: field->ops->evaluate = DMFieldEvaluate_DS;
1020: field->ops->evaluateFE = DMFieldEvaluateFE_DS;
1021: field->ops->evaluateFV = DMFieldEvaluateFV_DS;
1022: field->ops->getDegree = DMFieldGetDegree_DS;
1023: field->ops->createDefaultQuadrature = DMFieldCreateDefaultQuadrature_DS;
1024: field->ops->view = DMFieldView_DS;
1025: field->ops->computeFaceData = DMFieldComputeFaceData_DS;
1026: return(0);
1027: }
1029: PETSC_INTERN PetscErrorCode DMFieldCreate_DS(DMField field)
1030: {
1031: DMField_DS *dsfield;
1035: PetscNewLog(field,&dsfield);
1036: field->data = dsfield;
1037: DMFieldInitialize_DS(field);
1038: return(0);
1039: }
1041: PetscErrorCode DMFieldCreateDS(DM dm, PetscInt fieldNum, Vec vec,DMField *field)
1042: {
1043: DMField b;
1044: DMField_DS *dsfield;
1045: PetscObject disc = NULL;
1046: PetscBool isContainer = PETSC_FALSE;
1047: PetscClassId id = -1;
1048: PetscInt numComponents = -1, dsNumFields;
1049: PetscSection section;
1053: DMGetDefaultSection(dm,§ion);
1054: PetscSectionGetFieldComponents(section,fieldNum,&numComponents);
1055: DMGetNumFields(dm,&dsNumFields);
1056: if (dsNumFields) {DMGetField(dm,fieldNum,&disc);}
1057: if (disc) {
1058: PetscObjectGetClassId(disc,&id);
1059: isContainer = (id == PETSC_CONTAINER_CLASSID) ? PETSC_TRUE : PETSC_FALSE;
1060: }
1061: if (!disc || isContainer) {
1062: MPI_Comm comm = PetscObjectComm((PetscObject) dm);
1063: PetscInt cStart, cEnd, dim, cellHeight;
1064: PetscInt localConeSize = 0, coneSize;
1065: PetscFE fe;
1066: PetscDualSpace Q;
1067: PetscSpace P;
1068: DM K;
1069: PetscQuadrature quad, fquad;
1070: PetscBool isSimplex;
1072: DMPlexGetVTKCellHeight(dm, &cellHeight);
1073: DMPlexGetHeightStratum(dm, cellHeight, &cStart, &cEnd);
1074: DMGetDimension(dm, &dim);
1075: if (cEnd > cStart) {
1076: DMPlexGetConeSize(dm, cStart, &localConeSize);
1077: }
1078: MPI_Allreduce(&localConeSize,&coneSize,1,MPIU_INT,MPI_MAX,comm);
1079: isSimplex = (coneSize == (dim + 1)) ? PETSC_TRUE : PETSC_FALSE;
1080: PetscSpaceCreate(comm, &P);
1081: PetscSpaceSetType(P,PETSCSPACEPOLYNOMIAL);
1082: PetscSpaceSetDegree(P, 1, PETSC_DETERMINE);
1083: PetscSpaceSetNumComponents(P, numComponents);
1084: PetscSpaceSetNumVariables(P, dim);
1085: PetscSpacePolynomialSetTensor(P, isSimplex ? PETSC_FALSE : PETSC_TRUE);
1086: PetscSpaceSetUp(P);
1087: PetscDualSpaceCreate(comm, &Q);
1088: PetscDualSpaceSetType(Q,PETSCDUALSPACELAGRANGE);
1089: PetscDualSpaceCreateReferenceCell(Q, dim, isSimplex, &K);
1090: PetscDualSpaceSetDM(Q, K);
1091: DMDestroy(&K);
1092: PetscDualSpaceSetNumComponents(Q, numComponents);
1093: PetscDualSpaceSetOrder(Q, 1);
1094: PetscDualSpaceLagrangeSetTensor(Q, isSimplex ? PETSC_FALSE : PETSC_TRUE);
1095: PetscDualSpaceSetUp(Q);
1096: PetscFECreate(comm, &fe);
1097: PetscFESetType(fe,PETSCFEBASIC);
1098: PetscFESetBasisSpace(fe, P);
1099: PetscFESetDualSpace(fe, Q);
1100: PetscFESetNumComponents(fe, numComponents);
1101: PetscFESetUp(fe);
1102: PetscSpaceDestroy(&P);
1103: PetscDualSpaceDestroy(&Q);
1104: if (isSimplex) {
1105: PetscDTGaussJacobiQuadrature(dim, 1, 1, -1.0, 1.0, &quad);
1106: PetscDTGaussJacobiQuadrature(dim-1, 1, 1, -1.0, 1.0, &fquad);
1107: }
1108: else {
1109: PetscDTGaussTensorQuadrature(dim, 1, 1, -1.0, 1.0, &quad);
1110: PetscDTGaussTensorQuadrature(dim-1, 1, 1, -1.0, 1.0, &fquad);
1111: }
1112: PetscFESetQuadrature(fe, quad);
1113: PetscFESetFaceQuadrature(fe, fquad);
1114: PetscQuadratureDestroy(&quad);
1115: PetscQuadratureDestroy(&fquad);
1116: disc = (PetscObject) fe;
1117: } else {
1118: PetscObjectReference(disc);
1119: }
1120: PetscObjectGetClassId(disc,&id);
1121: if (id == PETSCFE_CLASSID) {
1122: PetscFE fe = (PetscFE) disc;
1124: PetscFEGetNumComponents(fe,&numComponents);
1125: } else {SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Not implemented");}
1126: DMFieldCreate(dm,numComponents,DMFIELD_VERTEX,&b);
1127: DMFieldSetType(b,DMFIELDDS);
1128: dsfield = (DMField_DS *) b->data;
1129: dsfield->fieldNum = fieldNum;
1130: DMGetDimension(dm,&dsfield->height);
1131: dsfield->height++;
1132: PetscCalloc1(dsfield->height,&dsfield->disc);
1133: dsfield->disc[0] = disc;
1134: PetscObjectReference((PetscObject)vec);
1135: dsfield->vec = vec;
1136: *field = b;
1138: return(0);
1139: }