Actual source code: dmimpl.h
petsc-3.12.1 2019-10-22
3: #if !defined(_DMIMPL_H)
4: #define _DMIMPL_H
6: #include <petscdm.h>
7: #include <petsc/private/petscimpl.h>
8: #include <petsc/private/petscdsimpl.h>
9: #include <petsc/private/sectionimpl.h>
11: PETSC_EXTERN PetscBool DMRegisterAllCalled;
12: PETSC_EXTERN PetscErrorCode DMRegisterAll(void);
13: typedef PetscErrorCode (*NullSpaceFunc)(DM dm, PetscInt field, MatNullSpace *nullSpace);
15: typedef struct _DMOps *DMOps;
16: struct _DMOps {
17: PetscErrorCode (*view)(DM,PetscViewer);
18: PetscErrorCode (*load)(DM,PetscViewer);
19: PetscErrorCode (*clone)(DM,DM*);
20: PetscErrorCode (*setfromoptions)(PetscOptionItems*,DM);
21: PetscErrorCode (*setup)(DM);
22: PetscErrorCode (*createlocalsection)(DM);
23: PetscErrorCode (*createdefaultconstraints)(DM);
24: PetscErrorCode (*createglobalvector)(DM,Vec*);
25: PetscErrorCode (*createlocalvector)(DM,Vec*);
26: PetscErrorCode (*getlocaltoglobalmapping)(DM);
27: PetscErrorCode (*createfieldis)(DM,PetscInt*,char***,IS**);
28: PetscErrorCode (*createcoordinatedm)(DM,DM*);
29: PetscErrorCode (*createcoordinatefield)(DM,DMField*);
31: PetscErrorCode (*getcoloring)(DM,ISColoringType,ISColoring*);
32: PetscErrorCode (*creatematrix)(DM, Mat*);
33: PetscErrorCode (*createinterpolation)(DM,DM,Mat*,Vec*);
34: PetscErrorCode (*createrestriction)(DM,DM,Mat*);
35: PetscErrorCode (*createmassmatrix)(DM,DM,Mat*);
36: PetscErrorCode (*hascreateinjection)(DM,PetscBool*);
37: PetscErrorCode (*createinjection)(DM,DM,Mat*);
39: PetscErrorCode (*refine)(DM,MPI_Comm,DM*);
40: PetscErrorCode (*coarsen)(DM,MPI_Comm,DM*);
41: PetscErrorCode (*refinehierarchy)(DM,PetscInt,DM*);
42: PetscErrorCode (*coarsenhierarchy)(DM,PetscInt,DM*);
43: PetscErrorCode (*adaptlabel)(DM,DMLabel,DM*);
44: PetscErrorCode (*adaptmetric)(DM,Vec,DMLabel,DM*);
46: PetscErrorCode (*globaltolocalbegin)(DM,Vec,InsertMode,Vec);
47: PetscErrorCode (*globaltolocalend)(DM,Vec,InsertMode,Vec);
48: PetscErrorCode (*localtoglobalbegin)(DM,Vec,InsertMode,Vec);
49: PetscErrorCode (*localtoglobalend)(DM,Vec,InsertMode,Vec);
50: PetscErrorCode (*localtolocalbegin)(DM,Vec,InsertMode,Vec);
51: PetscErrorCode (*localtolocalend)(DM,Vec,InsertMode,Vec);
53: PetscErrorCode (*destroy)(DM);
55: PetscErrorCode (*computevariablebounds)(DM,Vec,Vec);
57: PetscErrorCode (*createsubdm)(DM,PetscInt,const PetscInt*,IS*,DM*);
58: PetscErrorCode (*createsuperdm)(DM*,PetscInt,IS**,DM*);
59: PetscErrorCode (*createfielddecomposition)(DM,PetscInt*,char***,IS**,DM**);
60: PetscErrorCode (*createdomaindecomposition)(DM,PetscInt*,char***,IS**,IS**,DM**);
61: PetscErrorCode (*createddscatters)(DM,PetscInt,DM*,VecScatter**,VecScatter**,VecScatter**);
63: PetscErrorCode (*getdimpoints)(DM,PetscInt,PetscInt*,PetscInt*);
64: PetscErrorCode (*locatepoints)(DM,Vec,DMPointLocationType,PetscSF);
65: PetscErrorCode (*getneighbors)(DM,PetscInt*,const PetscMPIInt**);
66: PetscErrorCode (*getboundingbox)(DM,PetscReal*,PetscReal*);
67: PetscErrorCode (*getlocalboundingbox)(DM,PetscReal*,PetscReal*);
68: PetscErrorCode (*locatepointssubdomain)(DM,Vec,PetscMPIInt**);
70: PetscErrorCode (*projectfunctionlocal)(DM,PetscReal,PetscErrorCode(**)(PetscInt,PetscReal,const PetscReal[],PetscInt,PetscScalar *,void *),void **,InsertMode,Vec);
71: PetscErrorCode (*projectfunctionlabellocal)(DM,PetscReal,DMLabel,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscErrorCode(**)(PetscInt,PetscReal,const PetscReal[],PetscInt,PetscScalar *,void *),void **,InsertMode,Vec);
72: PetscErrorCode (*projectfieldlocal)(DM,PetscReal,Vec,void(**)(PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],const PetscScalar[],const PetscScalar[],const PetscInt[],const PetscInt[],const PetscScalar[],const PetscScalar[],const PetscScalar[],PetscReal,const PetscReal[],PetscInt,const PetscScalar[],PetscScalar[]),InsertMode,Vec);
73: PetscErrorCode (*projectfieldlabellocal)(DM,PetscReal,DMLabel,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Vec,void(**)(PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],const PetscScalar[],const PetscScalar[],const PetscInt[],const PetscInt[],const PetscScalar[],const PetscScalar[],const PetscScalar[],PetscReal,const PetscReal[],PetscInt,const PetscScalar[],PetscScalar[]),InsertMode,Vec);
74: PetscErrorCode (*computel2diff)(DM,PetscReal,PetscErrorCode(**)(PetscInt, PetscReal,const PetscReal [], PetscInt, PetscScalar *, void *), void **, Vec, PetscReal *);
75: PetscErrorCode (*computel2gradientdiff)(DM,PetscReal,PetscErrorCode(**)(PetscInt,PetscReal,const PetscReal [],const PetscReal[],PetscInt, PetscScalar *,void *),void **,Vec,const PetscReal[],PetscReal *);
76: PetscErrorCode (*computel2fielddiff)(DM,PetscReal,PetscErrorCode(**)(PetscInt, PetscReal,const PetscReal [], PetscInt, PetscScalar *, void *), void **, Vec, PetscReal *);
78: PetscErrorCode (*getcompatibility)(DM,DM,PetscBool*,PetscBool*);
79: };
81: PETSC_EXTERN PetscErrorCode DMLocalizeCoordinate_Internal(DM, PetscInt, const PetscScalar[], const PetscScalar[], PetscScalar[]);
82: PETSC_EXTERN PetscErrorCode DMLocalizeCoordinateReal_Internal(DM, PetscInt, const PetscReal[], const PetscReal[], PetscReal[]);
83: PETSC_EXTERN PetscErrorCode DMLocalizeAddCoordinate_Internal(DM, PetscInt, const PetscScalar[], const PetscScalar[], PetscScalar[]);
85: typedef struct _DMCoarsenHookLink *DMCoarsenHookLink;
86: struct _DMCoarsenHookLink {
87: PetscErrorCode (*coarsenhook)(DM,DM,void*); /* Run once, when coarse DM is created */
88: PetscErrorCode (*restricthook)(DM,Mat,Vec,Mat,DM,void*); /* Run each time a new problem is restricted to a coarse grid */
89: void *ctx;
90: DMCoarsenHookLink next;
91: };
93: typedef struct _DMRefineHookLink *DMRefineHookLink;
94: struct _DMRefineHookLink {
95: PetscErrorCode (*refinehook)(DM,DM,void*); /* Run once, when a fine DM is created */
96: PetscErrorCode (*interphook)(DM,Mat,DM,void*); /* Run each time a new problem is interpolated to a fine grid */
97: void *ctx;
98: DMRefineHookLink next;
99: };
101: typedef struct _DMSubDomainHookLink *DMSubDomainHookLink;
102: struct _DMSubDomainHookLink {
103: PetscErrorCode (*ddhook)(DM,DM,void*);
104: PetscErrorCode (*restricthook)(DM,VecScatter,VecScatter,DM,void*);
105: void *ctx;
106: DMSubDomainHookLink next;
107: };
109: typedef struct _DMGlobalToLocalHookLink *DMGlobalToLocalHookLink;
110: struct _DMGlobalToLocalHookLink {
111: PetscErrorCode (*beginhook)(DM,Vec,InsertMode,Vec,void*);
112: PetscErrorCode (*endhook)(DM,Vec,InsertMode,Vec,void*);
113: void *ctx;
114: DMGlobalToLocalHookLink next;
115: };
117: typedef struct _DMLocalToGlobalHookLink *DMLocalToGlobalHookLink;
118: struct _DMLocalToGlobalHookLink {
119: PetscErrorCode (*beginhook)(DM,Vec,InsertMode,Vec,void*);
120: PetscErrorCode (*endhook)(DM,Vec,InsertMode,Vec,void*);
121: void *ctx;
122: DMLocalToGlobalHookLink next;
123: };
125: typedef enum {DMVEC_STATUS_IN,DMVEC_STATUS_OUT} DMVecStatus;
126: typedef struct _DMNamedVecLink *DMNamedVecLink;
127: struct _DMNamedVecLink {
128: Vec X;
129: char *name;
130: DMVecStatus status;
131: DMNamedVecLink next;
132: };
134: typedef struct _DMWorkLink *DMWorkLink;
135: struct _DMWorkLink {
136: size_t bytes;
137: void *mem;
138: DMWorkLink next;
139: };
141: #define DM_MAX_WORK_VECTORS 100 /* work vectors available to users via DMGetGlobalVector(), DMGetLocalVector() */
143: struct _n_DMLabelLink {
144: DMLabel label;
145: PetscBool output;
146: struct _n_DMLabelLink *next;
147: };
148: typedef struct _n_DMLabelLink *DMLabelLink;
150: struct _n_DMLabelLinkList {
151: PetscInt refct;
152: DMLabelLink next;
153: };
154: typedef struct _n_DMLabelLinkList *DMLabelLinkList;
156: typedef struct _n_Boundary *DMBoundary;
158: struct _n_Boundary {
159: DSBoundary dsboundary;
160: DMLabel label;
161: DMBoundary next;
162: };
164: typedef struct _n_Field {
165: PetscObject disc; /* Field discretization, or a PetscContainer with the field name */
166: DMLabel label; /* Label defining the domain of definition of the field */
167: PetscBool adjacency[2]; /* Flags for defining variable influence (adjacency) for each field [use cone() or support() first, use the transitive closure] */
168: } RegionField;
170: typedef struct _n_Space {
171: PetscDS ds; /* Approximation space in this domain */
172: DMLabel label; /* Label defining the domain of definition of the discretization */
173: IS fields; /* Map from DS field numbers to original field numbers in the DM */
174: } DMSpace;
176: PETSC_INTERN PetscErrorCode DMDestroyLabelLinkList_Internal(DM);
178: struct _p_DM {
179: PETSCHEADER(struct _DMOps);
180: Vec localin[DM_MAX_WORK_VECTORS],localout[DM_MAX_WORK_VECTORS];
181: Vec globalin[DM_MAX_WORK_VECTORS],globalout[DM_MAX_WORK_VECTORS];
182: DMNamedVecLink namedglobal;
183: DMNamedVecLink namedlocal;
184: DMWorkLink workin,workout;
185: DMLabelLinkList labels; /* Linked list of labels */
186: DMLabel depthLabel; /* Optimized access to depth label */
187: void *ctx; /* a user context */
188: PetscErrorCode (*ctxdestroy)(void**);
189: Vec x; /* location at which the functions/Jacobian are computed */
190: ISColoringType coloringtype;
191: MatFDColoring fd;
192: VecType vectype; /* type of vector created with DMCreateLocalVector() and DMCreateGlobalVector() */
193: MatType mattype; /* type of matrix created with DMCreateMatrix() */
194: PetscInt bs;
195: ISLocalToGlobalMapping ltogmap;
196: PetscBool prealloc_only; /* Flag indicating the DMCreateMatrix() should only preallocate, not fill the matrix */
197: PetscBool structure_only; /* Flag indicating the DMCreateMatrix() create matrix structure without values */
198: PetscInt levelup,leveldown; /* if the DM has been obtained by refining (or coarsening) this indicates how many times that process has been used to generate this DM */
199: PetscBool setupcalled; /* Indicates that the DM has been set up, methods that modify a DM such that a fresh setup is required should reset this flag */
200: PetscBool setfromoptionscalled;
201: void *data;
202: /* Hierarchy / Submeshes */
203: DM coarseMesh;
204: DM fineMesh;
205: DMCoarsenHookLink coarsenhook; /* For transfering auxiliary problem data to coarser grids */
206: DMRefineHookLink refinehook;
207: DMSubDomainHookLink subdomainhook;
208: DMGlobalToLocalHookLink gtolhook;
209: DMLocalToGlobalHookLink ltoghook;
210: /* Topology */
211: PetscInt dim; /* The topological dimension */
212: /* Flexible communication */
213: PetscSF sfMigration; /* SF for point distribution created during distribution */
214: PetscSF sf; /* SF for parallel point overlap */
215: PetscSF sectionSF; /* SF for parallel dof overlap using section */
216: PetscSF sfNatural; /* SF mapping to the "natural" ordering */
217: PetscBool useNatural; /* Create the natural SF */
218: /* Allows a non-standard data layout */
219: PetscBool adjacency[2]; /* [use cone() or support() first, use the transitive closure] */
220: PetscSection localSection; /* Layout for local vectors */
221: PetscSection globalSection; /* Layout for global vectors */
222: PetscLayout map;
223: /* Constraints */
224: PetscSection defaultConstraintSection;
225: Mat defaultConstraintMat;
226: /* Basis transformation */
227: DM transformDM; /* Layout for basis transformation */
228: Vec transform; /* Basis transformation matrices */
229: void *transformCtx; /* Basis transformation context */
230: PetscErrorCode (*transformSetUp)(DM, void *);
231: PetscErrorCode (*transformDestroy)(DM, void *);
232: PetscErrorCode (*transformGetMatrix)(DM, const PetscReal[], PetscBool, const PetscScalar **, void *);
233: /* Coordinates */
234: PetscInt dimEmbed; /* The dimension of the embedding space */
235: DM coordinateDM; /* Layout for coordinates */
236: Vec coordinates; /* Coordinate values in global vector */
237: Vec coordinatesLocal; /* Coordinate values in local vector */
238: PetscBool periodic; /* Is the DM periodic? */
239: DMField coordinateField; /* Coordinates as an abstract field */
240: PetscReal *L, *maxCell; /* Size of periodic box and max cell size for determining periodicity */
241: DMBoundaryType *bdtype; /* Indicates type of topological boundary */
242: /* Null spaces -- of course I should make this have a variable number of fields */
243: /* I now believe this might not be the right way: see below */
244: NullSpaceFunc nullspaceConstructors[10];
245: NullSpaceFunc nearnullspaceConstructors[10];
246: /* Fields are represented by objects */
247: PetscInt Nf; /* Number of fields defined on the total domain */
248: RegionField *fields; /* Array of discretization fields with regions of validity */
249: DMBoundary boundary; /* List of boundary conditions */
250: PetscInt Nds; /* Number of discrete systems defined on the total domain */
251: DMSpace *probs; /* Array of discrete systems */
252: /* Output structures */
253: DM dmBC; /* The DM with boundary conditions in the global DM */
254: PetscInt outputSequenceNum; /* The current sequence number for output */
255: PetscReal outputSequenceVal; /* The current sequence value for output */
257: PetscObject dmksp,dmsnes,dmts;
258: };
260: PETSC_EXTERN PetscLogEvent DM_Convert;
261: PETSC_EXTERN PetscLogEvent DM_GlobalToLocal;
262: PETSC_EXTERN PetscLogEvent DM_LocalToGlobal;
263: PETSC_EXTERN PetscLogEvent DM_LocatePoints;
264: PETSC_EXTERN PetscLogEvent DM_Coarsen;
265: PETSC_EXTERN PetscLogEvent DM_Refine;
266: PETSC_EXTERN PetscLogEvent DM_CreateInterpolation;
267: PETSC_EXTERN PetscLogEvent DM_CreateRestriction;
268: PETSC_EXTERN PetscLogEvent DM_CreateInjection;
269: PETSC_EXTERN PetscLogEvent DM_CreateMatrix;
271: PETSC_EXTERN PetscErrorCode DMCreateGlobalVector_Section_Private(DM,Vec*);
272: PETSC_EXTERN PetscErrorCode DMCreateLocalVector_Section_Private(DM,Vec*);
274: PETSC_EXTERN PetscErrorCode DMView_GLVis(DM,PetscViewer,PetscErrorCode(*)(DM,PetscViewer));
276: /*
278: Composite Vectors
280: Single global representation
281: Individual global representations
282: Single local representation
283: Individual local representations
285: Subsets of individual as a single????? Do we handle this by having DMComposite inside composite??????
287: DM da_u, da_v, da_p
289: DM dm_velocities
291: DM dm
293: DMDACreate(,&da_u);
294: DMDACreate(,&da_v);
295: DMCompositeCreate(,&dm_velocities);
296: DMCompositeAddDM(dm_velocities,(DM)du);
297: DMCompositeAddDM(dm_velocities,(DM)dv);
299: DMDACreate(,&da_p);
300: DMCompositeCreate(,&dm_velocities);
301: DMCompositeAddDM(dm,(DM)dm_velocities);
302: DMCompositeAddDM(dm,(DM)dm_p);
305: Access parts of composite vectors (Composite only)
306: ---------------------------------
307: DMCompositeGetAccess - access the global vector as subvectors and array (for redundant arrays)
308: ADD for local vector -
310: Element access
311: --------------
312: From global vectors
313: -DAVecGetArray - for DMDA
314: -VecGetArray - for DMSliced
315: ADD for DMComposite??? maybe
317: From individual vector
318: -DAVecGetArray - for DMDA
319: -VecGetArray -for sliced
320: ADD for DMComposite??? maybe
322: From single local vector
323: ADD * single local vector as arrays?
325: Communication
326: -------------
327: DMGlobalToLocal - global vector to single local vector
329: DMCompositeScatter/Gather - direct to individual local vectors and arrays CHANGE name closer to GlobalToLocal?
331: Obtaining vectors
332: -----------------
333: DMCreateGlobal/Local
334: DMGetGlobal/Local
335: DMCompositeGetLocalVectors - gives individual local work vectors and arrays
338: ????? individual global vectors ????
340: */
342: #if defined(PETSC_HAVE_HDF5)
343: PETSC_EXTERN PetscErrorCode DMSequenceLoad_HDF5_Internal(DM, const char *, PetscInt, PetscScalar *, PetscViewer);
344: #endif
346: PETSC_STATIC_INLINE PetscErrorCode DMGetLocalOffset_Private(DM dm, PetscInt point, PetscInt *start, PetscInt *end)
347: {
349: #if defined(PETSC_USE_DEBUG)
350: {
351: PetscInt dof;
353: *start = *end = 0; /* Silence overzealous compiler warning */
354: if (!dm->localSection) SETERRQ(PetscObjectComm((PetscObject) dm), PETSC_ERR_ARG_WRONG, "DM must have a local section, see DMSetLocalSection()");
355: PetscSectionGetOffset(dm->localSection, point, start);
356: PetscSectionGetDof(dm->localSection, point, &dof);
357: *end = *start + dof;
358: }
359: #else
360: {
361: const PetscSection s = dm->localSection;
362: *start = s->atlasOff[point - s->pStart];
363: *end = *start + s->atlasDof[point - s->pStart];
364: }
365: #endif
366: return(0);
367: }
369: PETSC_STATIC_INLINE PetscErrorCode DMGetLocalFieldOffset_Private(DM dm, PetscInt point, PetscInt field, PetscInt *start, PetscInt *end)
370: {
372: #if defined(PETSC_USE_DEBUG)
373: {
374: PetscInt dof;
376: *start = *end = 0; /* Silence overzealous compiler warning */
377: if (!dm->localSection) SETERRQ(PetscObjectComm((PetscObject) dm), PETSC_ERR_ARG_WRONG, "DM must have a local section, see DMSetLocalSection()");
378: PetscSectionGetFieldOffset(dm->localSection, point, field, start);
379: PetscSectionGetFieldDof(dm->localSection, point, field, &dof);
380: *end = *start + dof;
381: }
382: #else
383: {
384: const PetscSection s = dm->localSection->field[field];
385: *start = s->atlasOff[point - s->pStart];
386: *end = *start + s->atlasDof[point - s->pStart];
387: }
388: #endif
389: return(0);
390: }
392: PETSC_STATIC_INLINE PetscErrorCode DMGetGlobalOffset_Private(DM dm, PetscInt point, PetscInt *start, PetscInt *end)
393: {
395: #if defined(PETSC_USE_DEBUG)
396: {
398: PetscInt dof,cdof;
399: *start = *end = 0; /* Silence overzealous compiler warning */
400: if (!dm->localSection) SETERRQ(PetscObjectComm((PetscObject) dm), PETSC_ERR_ARG_WRONG, "DM must have a local section, see DMSetLocalSection()");
401: if (!dm->globalSection) SETERRQ(PetscObjectComm((PetscObject) dm), PETSC_ERR_ARG_WRONG, "DM must have a global section. It will be created automatically by DMGetGlobalSection()");
402: PetscSectionGetOffset(dm->globalSection, point, start);
403: PetscSectionGetDof(dm->globalSection, point, &dof);
404: PetscSectionGetConstraintDof(dm->globalSection, point, &cdof);
405: *end = *start + dof - cdof + (dof < 0 ? 1 : 0);
406: }
407: #else
408: {
409: const PetscSection s = dm->globalSection;
410: const PetscInt dof = s->atlasDof[point - s->pStart];
411: const PetscInt cdof = s->bc ? s->bc->atlasDof[point - s->bc->pStart] : 0;
412: *start = s->atlasOff[point - s->pStart];
413: *end = *start + dof - cdof + (dof < 0 ? 1 : 0);
414: }
415: #endif
416: return(0);
417: }
419: PETSC_STATIC_INLINE PetscErrorCode DMGetGlobalFieldOffset_Private(DM dm, PetscInt point, PetscInt field, PetscInt *start, PetscInt *end)
420: {
422: #if defined(PETSC_USE_DEBUG)
423: {
424: PetscInt loff, lfoff, fdof, fcdof, ffcdof, f;
426: *start = *end = 0; /* Silence overzealous compiler warning */
427: if (!dm->localSection) SETERRQ(PetscObjectComm((PetscObject) dm), PETSC_ERR_ARG_WRONG, "DM must have a local section, see DMSetLocalSection()");
428: if (!dm->globalSection) SETERRQ(PetscObjectComm((PetscObject) dm), PETSC_ERR_ARG_WRONG, "DM must have a global section. It will be crated automatically by DMGetGlobalSection()");
429: PetscSectionGetOffset(dm->globalSection, point, start);
430: PetscSectionGetOffset(dm->localSection, point, &loff);
431: PetscSectionGetFieldOffset(dm->localSection, point, field, &lfoff);
432: PetscSectionGetFieldDof(dm->localSection, point, field, &fdof);
433: PetscSectionGetFieldConstraintDof(dm->localSection, point, field, &fcdof);
434: *start = *start < 0 ? *start - (lfoff-loff) : *start + lfoff-loff;
435: for (f = 0; f < field; ++f) {
436: PetscSectionGetFieldConstraintDof(dm->localSection, point, f, &ffcdof);
437: *start = *start < 0 ? *start + ffcdof : *start - ffcdof;
438: }
439: *end = *start < 0 ? *start - (fdof-fcdof) : *start + fdof-fcdof;
440: }
441: #else
442: {
443: const PetscSection s = dm->localSection;
444: const PetscSection fs = dm->localSection->field[field];
445: const PetscSection gs = dm->globalSection;
446: const PetscInt loff = s->atlasOff[point - s->pStart];
447: const PetscInt goff = gs->atlasOff[point - s->pStart];
448: const PetscInt lfoff = fs->atlasOff[point - s->pStart];
449: const PetscInt fdof = fs->atlasDof[point - s->pStart];
450: const PetscInt fcdof = fs->bc ? fs->bc->atlasDof[point - fs->bc->pStart] : 0;
451: PetscInt ffcdof = 0, f;
453: for (f = 0; f < field; ++f) {
454: const PetscSection ffs = dm->localSection->field[f];
455: ffcdof += ffs->bc ? ffs->bc->atlasDof[point - ffs->bc->pStart] : 0;
456: }
457: *start = goff + (goff < 0 ? loff-lfoff + ffcdof : lfoff-loff - ffcdof);
458: *end = *start < 0 ? *start - (fdof-fcdof) : *start + fdof-fcdof;
459: }
460: #endif
461: return(0);
462: }
464: PETSC_EXTERN PetscErrorCode DMGetBasisTransformDM_Internal(DM, DM *);
465: PETSC_EXTERN PetscErrorCode DMGetBasisTransformVec_Internal(DM, Vec *);
466: PETSC_INTERN PetscErrorCode DMConstructBasisTransform_Internal(DM);
468: PETSC_INTERN PetscErrorCode DMGetLocalBoundingIndices_DMDA(DM, PetscReal[], PetscReal[]);
470: #endif