Actual source code: petscis.h
petsc-3.4.5 2014-06-29
1: /*
2: An index set is a generalization of a subset of integers. Index sets
3: are used for defining scatters and gathers.
4: */
7: #include <petscsys.h>
8: #include <petscviewertypes.h>
9: #include <petscsftypes.h>
11: #define IS_FILE_CLASSID 1211218
12: PETSC_EXTERN PetscClassId IS_CLASSID;
14: PETSC_EXTERN PetscErrorCode ISInitializePackage(void);
16: /*S
17: IS - Abstract PETSc object that allows indexing.
19: Level: beginner
21: Concepts: indexing, stride
23: .seealso: ISCreateGeneral(), ISCreateBlock(), ISCreateStride(), ISGetIndices(), ISDestroy()
24: S*/
25: typedef struct _p_IS* IS;
27: /*J
28: ISType - String with the name of a PETSc index set type
30: Level: beginner
32: .seealso: ISSetType(), IS, ISCreate(), ISRegister()
33: J*/
34: typedef const char* ISType;
35: #define ISGENERAL "general"
36: #define ISSTRIDE "stride"
37: #define ISBLOCK "block"
39: /* Dynamic creation and loading functions */
40: PETSC_EXTERN PetscFunctionList ISList;
41: PETSC_EXTERN PetscBool ISRegisterAllCalled;
42: PETSC_EXTERN PetscErrorCode ISSetType(IS, ISType);
43: PETSC_EXTERN PetscErrorCode ISGetType(IS, ISType *);
44: PETSC_EXTERN PetscErrorCode ISRegister(const char[],PetscErrorCode (*)(IS));
45: PETSC_EXTERN PetscErrorCode ISRegisterAll(void);
46: PETSC_EXTERN PetscErrorCode ISCreate(MPI_Comm,IS*);
48: /*
49: Default index set data structures that PETSc provides.
50: */
51: PETSC_EXTERN PetscErrorCode ISCreateGeneral(MPI_Comm,PetscInt,const PetscInt[],PetscCopyMode,IS *);
52: PETSC_EXTERN PetscErrorCode ISGeneralSetIndices(IS,PetscInt,const PetscInt[],PetscCopyMode);
53: PETSC_EXTERN PetscErrorCode ISCreateBlock(MPI_Comm,PetscInt,PetscInt,const PetscInt[],PetscCopyMode,IS *);
54: PETSC_EXTERN PetscErrorCode ISBlockSetIndices(IS,PetscInt,PetscInt,const PetscInt[],PetscCopyMode);
55: PETSC_EXTERN PetscErrorCode ISCreateStride(MPI_Comm,PetscInt,PetscInt,PetscInt,IS *);
56: PETSC_EXTERN PetscErrorCode ISStrideSetStride(IS,PetscInt,PetscInt,PetscInt);
58: PETSC_EXTERN PetscErrorCode ISDestroy(IS*);
59: PETSC_EXTERN PetscErrorCode ISSetPermutation(IS);
60: PETSC_EXTERN PetscErrorCode ISPermutation(IS,PetscBool *);
61: PETSC_EXTERN PetscErrorCode ISSetIdentity(IS);
62: PETSC_EXTERN PetscErrorCode ISIdentity(IS,PetscBool *);
63: PETSC_EXTERN PetscErrorCode ISContiguousLocal(IS,PetscInt,PetscInt,PetscInt*,PetscBool*);
65: PETSC_EXTERN PetscErrorCode ISGetIndices(IS,const PetscInt *[]);
66: PETSC_EXTERN PetscErrorCode ISRestoreIndices(IS,const PetscInt *[]);
67: PETSC_EXTERN PetscErrorCode ISGetTotalIndices(IS,const PetscInt *[]);
68: PETSC_EXTERN PetscErrorCode ISRestoreTotalIndices(IS,const PetscInt *[]);
69: PETSC_EXTERN PetscErrorCode ISGetNonlocalIndices(IS,const PetscInt *[]);
70: PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIndices(IS,const PetscInt *[]);
71: PETSC_EXTERN PetscErrorCode ISGetNonlocalIS(IS, IS *is);
72: PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIS(IS, IS *is);
73: PETSC_EXTERN PetscErrorCode ISGetSize(IS,PetscInt *);
74: PETSC_EXTERN PetscErrorCode ISGetLocalSize(IS,PetscInt *);
75: PETSC_EXTERN PetscErrorCode ISInvertPermutation(IS,PetscInt,IS*);
76: PETSC_EXTERN PetscErrorCode ISView(IS,PetscViewer);
77: PETSC_EXTERN PetscErrorCode ISEqual(IS,IS,PetscBool *);
78: PETSC_EXTERN PetscErrorCode ISSort(IS);
79: PETSC_EXTERN PetscErrorCode ISSorted(IS,PetscBool *);
80: PETSC_EXTERN PetscErrorCode ISDifference(IS,IS,IS*);
81: PETSC_EXTERN PetscErrorCode ISSum(IS,IS,IS*);
82: PETSC_EXTERN PetscErrorCode ISExpand(IS,IS,IS*);
83: PETSC_EXTERN PetscErrorCode ISGetMinMax(IS,PetscInt*,PetscInt*);
85: PETSC_EXTERN PetscErrorCode ISBlockGetIndices(IS,const PetscInt *[]);
86: PETSC_EXTERN PetscErrorCode ISBlockRestoreIndices(IS,const PetscInt *[]);
87: PETSC_EXTERN PetscErrorCode ISBlockGetLocalSize(IS,PetscInt *);
88: PETSC_EXTERN PetscErrorCode ISBlockGetSize(IS,PetscInt *);
89: PETSC_EXTERN PetscErrorCode ISGetBlockSize(IS,PetscInt*);
90: PETSC_EXTERN PetscErrorCode ISSetBlockSize(IS,PetscInt);
92: PETSC_EXTERN PetscErrorCode ISStrideGetInfo(IS,PetscInt *,PetscInt*);
94: PETSC_EXTERN PetscErrorCode ISToGeneral(IS);
96: PETSC_EXTERN PetscErrorCode ISDuplicate(IS,IS*);
97: PETSC_EXTERN PetscErrorCode ISCopy(IS,IS);
98: PETSC_EXTERN PetscErrorCode ISAllGather(IS,IS*);
99: PETSC_EXTERN PetscErrorCode ISComplement(IS,PetscInt,PetscInt,IS*);
100: PETSC_EXTERN PetscErrorCode ISConcatenate(MPI_Comm,PetscInt,const IS[],IS*);
101: PETSC_EXTERN PetscErrorCode ISListToPair(MPI_Comm,PetscInt, IS[],IS*,IS*);
102: PETSC_EXTERN PetscErrorCode ISPairToList(IS,IS,PetscInt*, IS *[]);
103: PETSC_EXTERN PetscErrorCode ISEmbed(IS,IS,PetscBool,IS*);
104: PETSC_EXTERN PetscErrorCode ISOnComm(IS,MPI_Comm,PetscCopyMode,IS*);
106: /* --------------------------------------------------------------------------*/
107: PETSC_EXTERN PetscClassId IS_LTOGM_CLASSID;
109: /*S
110: ISLocalToGlobalMapping - mappings from an arbitrary
111: local ordering from 0 to n-1 to a global PETSc ordering
112: used by a vector or matrix.
114: Level: intermediate
116: Note: mapping from Local to Global is scalable; but Global
117: to Local may not be if the range of global values represented locally
118: is very large.
120: Note: the ISLocalToGlobalMapping is actually a private object; it is included
121: here for the inline function ISLocalToGlobalMappingApply() to allow it to be inlined since
122: it is used so often.
124: .seealso: ISLocalToGlobalMappingCreate()
125: S*/
126: typedef struct _p_ISLocalToGlobalMapping* ISLocalToGlobalMapping;
128: /*E
129: ISGlobalToLocalMappingType - Indicates if missing global indices are
131: IS_GTOLM_MASK - missing global indices are replaced with -1
132: IS_GTOLM_DROP - missing global indices are dropped
134: Level: beginner
136: .seealso: ISGlobalToLocalMappingApply()
138: E*/
139: typedef enum {IS_GTOLM_MASK,IS_GTOLM_DROP} ISGlobalToLocalMappingType;
141: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreate(MPI_Comm,PetscInt,const PetscInt[],PetscCopyMode,ISLocalToGlobalMapping*);
142: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreateIS(IS,ISLocalToGlobalMapping *);
143: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreateSF(PetscSF,PetscInt,ISLocalToGlobalMapping*);
144: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingView(ISLocalToGlobalMapping,PetscViewer);
145: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingDestroy(ISLocalToGlobalMapping*);
146: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApplyIS(ISLocalToGlobalMapping,IS,IS*);
147: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApply(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]);
148: PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApply(ISLocalToGlobalMapping,ISGlobalToLocalMappingType,PetscInt,const PetscInt[],PetscInt*,PetscInt[]);
149: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetSize(ISLocalToGlobalMapping,PetscInt*);
150: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]);
151: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]);
152: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetIndices(ISLocalToGlobalMapping,const PetscInt**);
153: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreIndices(ISLocalToGlobalMapping,const PetscInt**);
154: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingBlock(ISLocalToGlobalMapping,PetscInt,ISLocalToGlobalMapping*);
155: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingUnBlock(ISLocalToGlobalMapping,PetscInt,ISLocalToGlobalMapping*);
156: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingConcatenate(MPI_Comm,PetscInt,const ISLocalToGlobalMapping[],ISLocalToGlobalMapping*);
157: PETSC_EXTERN PetscErrorCode ISG2LMapApply(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]);
159: /* --------------------------------------------------------------------------*/
160: /*E
161: ISColoringType - determines if the coloring is for the entire parallel grid/graph/matrix
162: or for just the local ghosted portion
164: Level: beginner
166: $ IS_COLORING_GLOBAL - does not include the colors for ghost points, this is used when the function
167: $ is called synchronously in parallel. This requires generating a "parallel coloring".
168: $ IS_COLORING_GHOSTED - includes colors for ghost points, this is used when the function can be called
169: $ seperately on individual processes with the ghost points already filled in. Does not
170: $ require a "parallel coloring", rather each process colors its local + ghost part.
171: $ Using this can result in much less parallel communication. In the paradigm of
172: $ DMGetLocalVector() and DMGetGlobalVector() this could be called IS_COLORING_LOCAL
174: .seealso: DMCreateColoring()
175: E*/
176: typedef enum {IS_COLORING_GLOBAL,IS_COLORING_GHOSTED} ISColoringType;
177: PETSC_EXTERN const char *const ISColoringTypes[];
178: typedef unsigned PETSC_IS_COLOR_VALUE_TYPE ISColoringValue;
179: PETSC_EXTERN PetscErrorCode ISAllGatherColors(MPI_Comm,PetscInt,ISColoringValue*,PetscInt*,ISColoringValue*[]);
181: /*S
182: ISColoring - sets of IS's that define a coloring
183: of the underlying indices
185: Level: intermediate
187: Notes:
188: One should not access the *is records below directly because they may not yet
189: have been created. One should use ISColoringGetIS() to make sure they are
190: created when needed.
192: Developer Note: this is not a PetscObject
194: .seealso: ISColoringCreate(), ISColoringGetIS(), ISColoringView(), ISColoringGetIS()
195: S*/
196: struct _n_ISColoring {
197: PetscInt refct;
198: PetscInt n; /* number of colors */
199: IS *is; /* for each color indicates columns */
200: MPI_Comm comm;
201: ISColoringValue *colors; /* for each column indicates color */
202: PetscInt N; /* number of columns */
203: ISColoringType ctype;
204: };
205: typedef struct _n_ISColoring* ISColoring;
207: PETSC_EXTERN PetscErrorCode ISColoringCreate(MPI_Comm,PetscInt,PetscInt,const ISColoringValue[],ISColoring*);
208: PETSC_EXTERN PetscErrorCode ISColoringDestroy(ISColoring*);
209: PETSC_EXTERN PetscErrorCode ISColoringView(ISColoring,PetscViewer);
210: PETSC_EXTERN PetscErrorCode ISColoringGetIS(ISColoring,PetscInt*,IS*[]);
211: PETSC_EXTERN PetscErrorCode ISColoringRestoreIS(ISColoring,IS*[]);
212: PETSC_EXTERN PetscErrorCode ISColoringReference(ISColoring);
213: PETSC_EXTERN PetscErrorCode ISColoringSetType(ISColoring,ISColoringType);
216: /* --------------------------------------------------------------------------*/
218: PETSC_EXTERN PetscErrorCode ISPartitioningToNumbering(IS,IS*);
219: PETSC_EXTERN PetscErrorCode ISPartitioningCount(IS,PetscInt,PetscInt[]);
221: PETSC_EXTERN PetscErrorCode ISCompressIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]);
222: PETSC_EXTERN PetscErrorCode ISCompressIndicesSorted(PetscInt,PetscInt,PetscInt,const IS[],IS[]);
223: PETSC_EXTERN PetscErrorCode ISExpandIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]);
225: /*S
226: PetscLayout - defines layout of vectors and matrices across processes (which rows are owned by which processes)
228: Level: developer
231: .seealso: PetscLayoutCreate(), PetscLayoutDestroy()
232: S*/
233: typedef struct _n_PetscLayout* PetscLayout;
234: struct _n_PetscLayout{
235: MPI_Comm comm;
236: PetscInt n,N; /* local, global vector size */
237: PetscInt rstart,rend; /* local start, local end + 1 */
238: PetscInt *range; /* the offset of each processor */
239: PetscInt bs; /* number of elements in each block (generally for multi-component problems) Do NOT multiply above numbers by bs */
240: PetscInt refcnt; /* MPI Vecs obtained with VecDuplicate() and from MatGetVecs() reuse map of input object */
241: ISLocalToGlobalMapping mapping; /* mapping used in Vec/MatSetValuesLocal() */
242: ISLocalToGlobalMapping bmapping; /* mapping used in Vec/MatSetValuesBlockedLocal() */
243: PetscInt *trstarts; /* local start for each thread */
244: };
246: PETSC_EXTERN PetscErrorCode PetscLayoutCreate(MPI_Comm,PetscLayout*);
247: PETSC_EXTERN PetscErrorCode PetscLayoutSetUp(PetscLayout);
248: PETSC_EXTERN PetscErrorCode PetscLayoutDestroy(PetscLayout*);
249: PETSC_EXTERN PetscErrorCode PetscLayoutDuplicate(PetscLayout,PetscLayout*);
250: PETSC_EXTERN PetscErrorCode PetscLayoutReference(PetscLayout,PetscLayout*);
251: PETSC_EXTERN PetscErrorCode PetscLayoutSetLocalSize(PetscLayout,PetscInt);
252: PETSC_EXTERN PetscErrorCode PetscLayoutGetLocalSize(PetscLayout,PetscInt *);
253: PETSC_EXTERN PetscErrorCode PetscLayoutSetSize(PetscLayout,PetscInt);
254: PETSC_EXTERN PetscErrorCode PetscLayoutGetSize(PetscLayout,PetscInt *);
255: PETSC_EXTERN PetscErrorCode PetscLayoutSetBlockSize(PetscLayout,PetscInt);
256: PETSC_EXTERN PetscErrorCode PetscLayoutGetBlockSize(PetscLayout,PetscInt*);
257: PETSC_EXTERN PetscErrorCode PetscLayoutGetRange(PetscLayout,PetscInt *,PetscInt *);
258: PETSC_EXTERN PetscErrorCode PetscLayoutGetRanges(PetscLayout,const PetscInt *[]);
259: PETSC_EXTERN PetscErrorCode PetscLayoutSetISLocalToGlobalMapping(PetscLayout,ISLocalToGlobalMapping);
260: PETSC_EXTERN PetscErrorCode PetscLayoutSetISLocalToGlobalMappingBlock(PetscLayout,ISLocalToGlobalMapping);
261: PETSC_EXTERN PetscErrorCode PetscSFSetGraphLayout(PetscSF,PetscLayout,PetscInt,const PetscInt*,PetscCopyMode,const PetscInt*);
265: /*@C
266: PetscLayoutFindOwner - Find the owning rank for a global index
268: Not Collective
270: Input Parameters:
271: + map - the layout
272: - idx - global index to find the owner of
274: Output Parameter:
275: . owner - the owning rank
277: Level: developer
279: Fortran Notes:
280: Not available from Fortran
282: @*/
283: PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwner(PetscLayout map,PetscInt idx,PetscInt *owner)
284: {
286: PetscMPIInt lo = 0,hi,t;
289: *owner = -1; /* GCC erroneously issues warning about possibly uninitialized use when error condition */
290: if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first");
291: if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx);
292: MPI_Comm_size(map->comm,&hi);
293: while (hi - lo > 1) {
294: t = lo + (hi - lo) / 2;
295: if (idx < map->range[t]) hi = t;
296: else lo = t;
297: }
298: *owner = lo;
299: return(0);
300: }
304: /*@C
305: PetscLayoutFindOwnerIndex - Find the owning rank and the local index for a global index
307: Not Collective
309: Input Parameters:
310: + map - the layout
311: - idx - global index to find the owner of
313: Output Parameter:
314: + owner - the owning rank
315: - lidx - local index used by the owner for idx
317: Level: developer
319: Fortran Notes:
320: Not available from Fortran
322: @*/
323: PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwnerIndex(PetscLayout map,PetscInt idx,PetscInt *owner, PetscInt *lidx)
324: {
326: PetscMPIInt lo = 0,hi,t;
329: if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first");
330: if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx);
331: MPI_Comm_size(map->comm,&hi);
332: while (hi - lo > 1) {
333: t = lo + (hi - lo) / 2;
334: if (idx < map->range[t]) hi = t;
335: else lo = t;
336: }
337: *owner = lo;
338: *lidx = idx-map->range[lo];
339: return(0);
340: }
342: PETSC_EXTERN PetscClassId PETSC_SECTION_CLASSID;
344: /*S
345: PetscSection - Mapping from integers in a designated range to contiguous sets of integers.
347: In contrast to IS, which maps from integers to single integers, the range of a PetscSection is in the space of
348: contiguous sets of integers. These ranges are frequently interpreted as domains of other array-like objects,
349: especially other PetscSections, Vecs, and ISs. The domain is set with PetscSectionSetChart() and does not need to
350: start at 0. For each point in the domain of a PetscSection, the output set is represented through an offset and a
351: count, which are set using PetscSectionSetOffset() and PetscSectionSetDof() respectively. Lookup is typically using
352: accessors or routines like VecGetValuesSection().
354: Level: developer
356: .seealso: PetscSectionCreate(), PetscSectionDestroy()
357: S*/
358: typedef struct _p_PetscSection *PetscSection;
359: PETSC_EXTERN PetscErrorCode PetscSectionCreate(MPI_Comm,PetscSection*);
360: PETSC_EXTERN PetscErrorCode PetscSectionClone(PetscSection, PetscSection*);
361: PETSC_EXTERN PetscErrorCode PetscSectionGetNumFields(PetscSection, PetscInt *);
362: PETSC_EXTERN PetscErrorCode PetscSectionSetNumFields(PetscSection, PetscInt);
363: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldName(PetscSection, PetscInt, const char *[]);
364: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldName(PetscSection, PetscInt, const char []);
365: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldComponents(PetscSection, PetscInt, PetscInt *);
366: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldComponents(PetscSection, PetscInt, PetscInt);
367: PETSC_EXTERN PetscErrorCode PetscSectionGetChart(PetscSection, PetscInt *, PetscInt *);
368: PETSC_EXTERN PetscErrorCode PetscSectionSetChart(PetscSection, PetscInt, PetscInt);
369: PETSC_EXTERN PetscErrorCode PetscSectionGetDof(PetscSection, PetscInt, PetscInt*);
370: PETSC_EXTERN PetscErrorCode PetscSectionSetDof(PetscSection, PetscInt, PetscInt);
371: PETSC_EXTERN PetscErrorCode PetscSectionAddDof(PetscSection, PetscInt, PetscInt);
372: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldDof(PetscSection, PetscInt, PetscInt, PetscInt*);
373: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldDof(PetscSection, PetscInt, PetscInt, PetscInt);
374: PETSC_EXTERN PetscErrorCode PetscSectionAddFieldDof(PetscSection, PetscInt, PetscInt, PetscInt);
375: PETSC_EXTERN PetscErrorCode PetscSectionGetConstraintDof(PetscSection, PetscInt, PetscInt*);
376: PETSC_EXTERN PetscErrorCode PetscSectionSetConstraintDof(PetscSection, PetscInt, PetscInt);
377: PETSC_EXTERN PetscErrorCode PetscSectionAddConstraintDof(PetscSection, PetscInt, PetscInt);
378: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt*);
379: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt);
380: PETSC_EXTERN PetscErrorCode PetscSectionAddFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt);
381: PETSC_EXTERN PetscErrorCode PetscSectionGetConstraintIndices(PetscSection, PetscInt, const PetscInt**);
382: PETSC_EXTERN PetscErrorCode PetscSectionSetConstraintIndices(PetscSection, PetscInt, const PetscInt*);
383: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldConstraintIndices(PetscSection, PetscInt, PetscInt, const PetscInt**);
384: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldConstraintIndices(PetscSection, PetscInt, PetscInt, const PetscInt*);
385: PETSC_EXTERN PetscErrorCode PetscSectionSetUpBC(PetscSection);
386: PETSC_EXTERN PetscErrorCode PetscSectionSetUp(PetscSection);
387: PETSC_EXTERN PetscErrorCode PetscSectionGetMaxDof(PetscSection, PetscInt*);
388: PETSC_EXTERN PetscErrorCode PetscSectionGetStorageSize(PetscSection, PetscInt*);
389: PETSC_EXTERN PetscErrorCode PetscSectionGetConstrainedStorageSize(PetscSection, PetscInt*);
390: PETSC_EXTERN PetscErrorCode PetscSectionGetOffset(PetscSection, PetscInt, PetscInt*);
391: PETSC_EXTERN PetscErrorCode PetscSectionSetOffset(PetscSection, PetscInt, PetscInt);
392: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldOffset(PetscSection, PetscInt, PetscInt, PetscInt*);
393: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldOffset(PetscSection, PetscInt, PetscInt, PetscInt);
394: PETSC_EXTERN PetscErrorCode PetscSectionGetOffsetRange(PetscSection, PetscInt *, PetscInt *);
395: PETSC_EXTERN PetscErrorCode PetscSectionView(PetscSection, PetscViewer);
396: PETSC_EXTERN PetscErrorCode PetscSectionReset(PetscSection);
397: PETSC_EXTERN PetscErrorCode PetscSectionDestroy(PetscSection*);
398: PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSection(PetscSection, PetscSF, PetscBool, PetscSection *);
399: PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSectionCensored(PetscSection, PetscSF, PetscBool, PetscInt, const PetscInt [], PetscSection *);
400: PETSC_EXTERN PetscErrorCode PetscSectionCreateSubsection(PetscSection, PetscInt, PetscInt [], PetscSection *);
401: PETSC_EXTERN PetscErrorCode PetscSectionCreateSubmeshSection(PetscSection, IS, PetscSection *);
402: PETSC_EXTERN PetscErrorCode PetscSectionGetPointLayout(MPI_Comm, PetscSection, PetscLayout *);
403: PETSC_EXTERN PetscErrorCode PetscSectionGetValueLayout(MPI_Comm, PetscSection, PetscLayout *);
405: /* PetscSF support */
406: PETSC_EXTERN PetscErrorCode PetscSFConvertPartition(PetscSF, PetscSection, IS, ISLocalToGlobalMapping *, PetscSF *);
407: PETSC_EXTERN PetscErrorCode PetscSFCreateRemoteOffsets(PetscSF, PetscSection, PetscSection, PetscInt **);
408: PETSC_EXTERN PetscErrorCode PetscSFDistributeSection(PetscSF, PetscSection, PetscInt **, PetscSection);
409: PETSC_EXTERN PetscErrorCode PetscSFCreateSectionSF(PetscSF, PetscSection, PetscInt [], PetscSection, PetscSF *);
411: /* Reset __FUNCT__ in case the user does not define it themselves */
415: #endif