Actual source code: petscis.h
petsc-3.4.0 2013-05-13
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 vector or the creation function
29: with an optional dynamic library name, for example
30: http://www.mcs.anl.gov/petsc/lib.a:myveccreate()
32: Level: beginner
34: .seealso: ISSetType(), IS
35: J*/
36: typedef const char* ISType;
37: #define ISGENERAL "general"
38: #define ISSTRIDE "stride"
39: #define ISBLOCK "block"
41: /* Dynamic creation and loading functions */
42: PETSC_EXTERN PetscFunctionList ISList;
43: PETSC_EXTERN PetscBool ISRegisterAllCalled;
44: PETSC_EXTERN PetscErrorCode ISSetType(IS, ISType);
45: PETSC_EXTERN PetscErrorCode ISGetType(IS, ISType *);
46: PETSC_EXTERN PetscErrorCode ISRegister(const char[],PetscErrorCode (*)(IS));
47: PETSC_EXTERN PetscErrorCode ISRegisterAll(void);
48: PETSC_EXTERN PetscErrorCode ISCreate(MPI_Comm,IS*);
50: /*
51: Default index set data structures that PETSc provides.
52: */
53: PETSC_EXTERN PetscErrorCode ISCreateGeneral(MPI_Comm,PetscInt,const PetscInt[],PetscCopyMode,IS *);
54: PETSC_EXTERN PetscErrorCode ISGeneralSetIndices(IS,PetscInt,const PetscInt[],PetscCopyMode);
55: PETSC_EXTERN PetscErrorCode ISCreateBlock(MPI_Comm,PetscInt,PetscInt,const PetscInt[],PetscCopyMode,IS *);
56: PETSC_EXTERN PetscErrorCode ISBlockSetIndices(IS,PetscInt,PetscInt,const PetscInt[],PetscCopyMode);
57: PETSC_EXTERN PetscErrorCode ISCreateStride(MPI_Comm,PetscInt,PetscInt,PetscInt,IS *);
58: PETSC_EXTERN PetscErrorCode ISStrideSetStride(IS,PetscInt,PetscInt,PetscInt);
60: PETSC_EXTERN PetscErrorCode ISDestroy(IS*);
61: PETSC_EXTERN PetscErrorCode ISSetPermutation(IS);
62: PETSC_EXTERN PetscErrorCode ISPermutation(IS,PetscBool *);
63: PETSC_EXTERN PetscErrorCode ISSetIdentity(IS);
64: PETSC_EXTERN PetscErrorCode ISIdentity(IS,PetscBool *);
65: PETSC_EXTERN PetscErrorCode ISContiguousLocal(IS,PetscInt,PetscInt,PetscInt*,PetscBool*);
67: PETSC_EXTERN PetscErrorCode ISGetIndices(IS,const PetscInt *[]);
68: PETSC_EXTERN PetscErrorCode ISRestoreIndices(IS,const PetscInt *[]);
69: PETSC_EXTERN PetscErrorCode ISGetTotalIndices(IS,const PetscInt *[]);
70: PETSC_EXTERN PetscErrorCode ISRestoreTotalIndices(IS,const PetscInt *[]);
71: PETSC_EXTERN PetscErrorCode ISGetNonlocalIndices(IS,const PetscInt *[]);
72: PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIndices(IS,const PetscInt *[]);
73: PETSC_EXTERN PetscErrorCode ISGetNonlocalIS(IS, IS *is);
74: PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIS(IS, IS *is);
75: PETSC_EXTERN PetscErrorCode ISGetSize(IS,PetscInt *);
76: PETSC_EXTERN PetscErrorCode ISGetLocalSize(IS,PetscInt *);
77: PETSC_EXTERN PetscErrorCode ISInvertPermutation(IS,PetscInt,IS*);
78: PETSC_EXTERN PetscErrorCode ISView(IS,PetscViewer);
79: PETSC_EXTERN PetscErrorCode ISEqual(IS,IS,PetscBool *);
80: PETSC_EXTERN PetscErrorCode ISSort(IS);
81: PETSC_EXTERN PetscErrorCode ISSorted(IS,PetscBool *);
82: PETSC_EXTERN PetscErrorCode ISDifference(IS,IS,IS*);
83: PETSC_EXTERN PetscErrorCode ISSum(IS,IS,IS*);
84: PETSC_EXTERN PetscErrorCode ISExpand(IS,IS,IS*);
85: PETSC_EXTERN PetscErrorCode ISGetMinMax(IS,PetscInt*,PetscInt*);
87: PETSC_EXTERN PetscErrorCode ISBlockGetIndices(IS,const PetscInt *[]);
88: PETSC_EXTERN PetscErrorCode ISBlockRestoreIndices(IS,const PetscInt *[]);
89: PETSC_EXTERN PetscErrorCode ISBlockGetLocalSize(IS,PetscInt *);
90: PETSC_EXTERN PetscErrorCode ISBlockGetSize(IS,PetscInt *);
91: PETSC_EXTERN PetscErrorCode ISGetBlockSize(IS,PetscInt*);
92: PETSC_EXTERN PetscErrorCode ISSetBlockSize(IS,PetscInt);
94: PETSC_EXTERN PetscErrorCode ISStrideGetInfo(IS,PetscInt *,PetscInt*);
96: PETSC_EXTERN PetscErrorCode ISToGeneral(IS);
98: PETSC_EXTERN PetscErrorCode ISDuplicate(IS,IS*);
99: PETSC_EXTERN PetscErrorCode ISCopy(IS,IS);
100: PETSC_EXTERN PetscErrorCode ISAllGather(IS,IS*);
101: PETSC_EXTERN PetscErrorCode ISComplement(IS,PetscInt,PetscInt,IS*);
102: PETSC_EXTERN PetscErrorCode ISConcatenate(MPI_Comm,PetscInt,const IS[],IS*);
103: PETSC_EXTERN PetscErrorCode ISListToPair(MPI_Comm,PetscInt, IS[],IS*,IS*);
104: PETSC_EXTERN PetscErrorCode ISPairToList(IS,IS,PetscInt*, IS *[]);
105: PETSC_EXTERN PetscErrorCode ISEmbed(IS,IS,PetscBool,IS*);
106: PETSC_EXTERN PetscErrorCode ISOnComm(IS,MPI_Comm,PetscCopyMode,IS*);
108: /* --------------------------------------------------------------------------*/
109: PETSC_EXTERN PetscClassId IS_LTOGM_CLASSID;
111: /*S
112: ISLocalToGlobalMapping - mappings from an arbitrary
113: local ordering from 0 to n-1 to a global PETSc ordering
114: used by a vector or matrix.
116: Level: intermediate
118: Note: mapping from Local to Global is scalable; but Global
119: to Local may not be if the range of global values represented locally
120: is very large.
122: Note: the ISLocalToGlobalMapping is actually a private object; it is included
123: here for the inline function ISLocalToGlobalMappingApply() to allow it to be inlined since
124: it is used so often.
126: .seealso: ISLocalToGlobalMappingCreate()
127: S*/
128: typedef struct _p_ISLocalToGlobalMapping* ISLocalToGlobalMapping;
130: /*E
131: ISGlobalToLocalMappingType - Indicates if missing global indices are
133: IS_GTOLM_MASK - missing global indices are replaced with -1
134: IS_GTOLM_DROP - missing global indices are dropped
136: Level: beginner
138: .seealso: ISGlobalToLocalMappingApply()
140: E*/
141: typedef enum {IS_GTOLM_MASK,IS_GTOLM_DROP} ISGlobalToLocalMappingType;
143: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreate(MPI_Comm,PetscInt,const PetscInt[],PetscCopyMode,ISLocalToGlobalMapping*);
144: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreateIS(IS,ISLocalToGlobalMapping *);
145: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreateSF(PetscSF,PetscInt,ISLocalToGlobalMapping*);
146: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingView(ISLocalToGlobalMapping,PetscViewer);
147: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingDestroy(ISLocalToGlobalMapping*);
148: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApplyIS(ISLocalToGlobalMapping,IS,IS*);
149: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApply(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]);
150: PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApply(ISLocalToGlobalMapping,ISGlobalToLocalMappingType,PetscInt,const PetscInt[],PetscInt*,PetscInt[]);
151: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetSize(ISLocalToGlobalMapping,PetscInt*);
152: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]);
153: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]);
154: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetIndices(ISLocalToGlobalMapping,const PetscInt**);
155: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreIndices(ISLocalToGlobalMapping,const PetscInt**);
156: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingBlock(ISLocalToGlobalMapping,PetscInt,ISLocalToGlobalMapping*);
157: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingUnBlock(ISLocalToGlobalMapping,PetscInt,ISLocalToGlobalMapping*);
158: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingConcatenate(MPI_Comm,PetscInt,const ISLocalToGlobalMapping[],ISLocalToGlobalMapping*);
159: PETSC_EXTERN PetscErrorCode ISG2LMapApply(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]);
161: /* --------------------------------------------------------------------------*/
162: /*E
163: ISColoringType - determines if the coloring is for the entire parallel grid/graph/matrix
164: or for just the local ghosted portion
166: Level: beginner
168: $ IS_COLORING_GLOBAL - does not include the colors for ghost points, this is used when the function
169: $ is called synchronously in parallel. This requires generating a "parallel coloring".
170: $ IS_COLORING_GHOSTED - includes colors for ghost points, this is used when the function can be called
171: $ seperately on individual processes with the ghost points already filled in. Does not
172: $ require a "parallel coloring", rather each process colors its local + ghost part.
173: $ Using this can result in much less parallel communication. In the paradigm of
174: $ DMGetLocalVector() and DMGetGlobalVector() this could be called IS_COLORING_LOCAL
176: .seealso: DMCreateColoring()
177: E*/
178: typedef enum {IS_COLORING_GLOBAL,IS_COLORING_GHOSTED} ISColoringType;
179: PETSC_EXTERN const char *const ISColoringTypes[];
180: typedef unsigned PETSC_IS_COLOR_VALUE_TYPE ISColoringValue;
181: PETSC_EXTERN PetscErrorCode ISAllGatherColors(MPI_Comm,PetscInt,ISColoringValue*,PetscInt*,ISColoringValue*[]);
183: /*S
184: ISColoring - sets of IS's that define a coloring
185: of the underlying indices
187: Level: intermediate
189: Notes:
190: One should not access the *is records below directly because they may not yet
191: have been created. One should use ISColoringGetIS() to make sure they are
192: created when needed.
194: Developer Note: this is not a PetscObject
196: .seealso: ISColoringCreate(), ISColoringGetIS(), ISColoringView(), ISColoringGetIS()
197: S*/
198: struct _n_ISColoring {
199: PetscInt refct;
200: PetscInt n; /* number of colors */
201: IS *is; /* for each color indicates columns */
202: MPI_Comm comm;
203: ISColoringValue *colors; /* for each column indicates color */
204: PetscInt N; /* number of columns */
205: ISColoringType ctype;
206: };
207: typedef struct _n_ISColoring* ISColoring;
209: PETSC_EXTERN PetscErrorCode ISColoringCreate(MPI_Comm,PetscInt,PetscInt,const ISColoringValue[],ISColoring*);
210: PETSC_EXTERN PetscErrorCode ISColoringDestroy(ISColoring*);
211: PETSC_EXTERN PetscErrorCode ISColoringView(ISColoring,PetscViewer);
212: PETSC_EXTERN PetscErrorCode ISColoringGetIS(ISColoring,PetscInt*,IS*[]);
213: PETSC_EXTERN PetscErrorCode ISColoringRestoreIS(ISColoring,IS*[]);
214: PETSC_EXTERN PetscErrorCode ISColoringReference(ISColoring);
215: PETSC_EXTERN PetscErrorCode ISColoringSetType(ISColoring,ISColoringType);
218: /* --------------------------------------------------------------------------*/
220: PETSC_EXTERN PetscErrorCode ISPartitioningToNumbering(IS,IS*);
221: PETSC_EXTERN PetscErrorCode ISPartitioningCount(IS,PetscInt,PetscInt[]);
223: PETSC_EXTERN PetscErrorCode ISCompressIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]);
224: PETSC_EXTERN PetscErrorCode ISCompressIndicesSorted(PetscInt,PetscInt,PetscInt,const IS[],IS[]);
225: PETSC_EXTERN PetscErrorCode ISExpandIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]);
227: /*S
228: PetscLayout - defines layout of vectors and matrices across processes (which rows are owned by which processes)
230: Level: developer
233: .seealso: PetscLayoutCreate(), PetscLayoutDestroy()
234: S*/
235: typedef struct _n_PetscLayout* PetscLayout;
236: struct _n_PetscLayout{
237: MPI_Comm comm;
238: PetscInt n,N; /* local, global vector size */
239: PetscInt rstart,rend; /* local start, local end + 1 */
240: PetscInt *range; /* the offset of each processor */
241: PetscInt bs; /* number of elements in each block (generally for multi-component problems) Do NOT multiply above numbers by bs */
242: PetscInt refcnt; /* MPI Vecs obtained with VecDuplicate() and from MatGetVecs() reuse map of input object */
243: ISLocalToGlobalMapping mapping; /* mapping used in Vec/MatSetValuesLocal() */
244: ISLocalToGlobalMapping bmapping; /* mapping used in Vec/MatSetValuesBlockedLocal() */
245: PetscInt *trstarts; /* local start for each thread */
246: };
248: PETSC_EXTERN PetscErrorCode PetscLayoutCreate(MPI_Comm,PetscLayout*);
249: PETSC_EXTERN PetscErrorCode PetscLayoutSetUp(PetscLayout);
250: PETSC_EXTERN PetscErrorCode PetscLayoutDestroy(PetscLayout*);
251: PETSC_EXTERN PetscErrorCode PetscLayoutDuplicate(PetscLayout,PetscLayout*);
252: PETSC_EXTERN PetscErrorCode PetscLayoutReference(PetscLayout,PetscLayout*);
253: PETSC_EXTERN PetscErrorCode PetscLayoutSetLocalSize(PetscLayout,PetscInt);
254: PETSC_EXTERN PetscErrorCode PetscLayoutGetLocalSize(PetscLayout,PetscInt *);
255: PETSC_EXTERN PetscErrorCode PetscLayoutSetSize(PetscLayout,PetscInt);
256: PETSC_EXTERN PetscErrorCode PetscLayoutGetSize(PetscLayout,PetscInt *);
257: PETSC_EXTERN PetscErrorCode PetscLayoutSetBlockSize(PetscLayout,PetscInt);
258: PETSC_EXTERN PetscErrorCode PetscLayoutGetBlockSize(PetscLayout,PetscInt*);
259: PETSC_EXTERN PetscErrorCode PetscLayoutGetRange(PetscLayout,PetscInt *,PetscInt *);
260: PETSC_EXTERN PetscErrorCode PetscLayoutGetRanges(PetscLayout,const PetscInt *[]);
261: PETSC_EXTERN PetscErrorCode PetscLayoutSetISLocalToGlobalMapping(PetscLayout,ISLocalToGlobalMapping);
262: PETSC_EXTERN PetscErrorCode PetscLayoutSetISLocalToGlobalMappingBlock(PetscLayout,ISLocalToGlobalMapping);
263: PETSC_EXTERN PetscErrorCode PetscSFSetGraphLayout(PetscSF,PetscLayout,PetscInt,const PetscInt*,PetscCopyMode,const PetscInt*);
267: /*@C
268: PetscLayoutFindOwner - Find the owning rank for a global index
270: Not Collective
272: Input Parameters:
273: + map - the layout
274: - idx - global index to find the owner of
276: Output Parameter:
277: . owner - the owning rank
279: Level: developer
281: Fortran Notes:
282: Not available from Fortran
284: @*/
285: PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwner(PetscLayout map,PetscInt idx,PetscInt *owner)
286: {
288: PetscMPIInt lo = 0,hi,t;
291: *owner = -1; /* GCC erroneously issues warning about possibly uninitialized use when error condition */
292: if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first");
293: if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx);
294: MPI_Comm_size(map->comm,&hi);
295: while (hi - lo > 1) {
296: t = lo + (hi - lo) / 2;
297: if (idx < map->range[t]) hi = t;
298: else lo = t;
299: }
300: *owner = lo;
301: return(0);
302: }
306: /*@C
307: PetscLayoutFindOwnerIndex - Find the owning rank and the local index for a global index
309: Not Collective
311: Input Parameters:
312: + map - the layout
313: - idx - global index to find the owner of
315: Output Parameter:
316: + owner - the owning rank
317: - lidx - local index used by the owner for idx
319: Level: developer
321: Fortran Notes:
322: Not available from Fortran
324: @*/
325: PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwnerIndex(PetscLayout map,PetscInt idx,PetscInt *owner, PetscInt *lidx)
326: {
328: PetscMPIInt lo = 0,hi,t;
331: if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first");
332: if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx);
333: MPI_Comm_size(map->comm,&hi);
334: while (hi - lo > 1) {
335: t = lo + (hi - lo) / 2;
336: if (idx < map->range[t]) hi = t;
337: else lo = t;
338: }
339: *owner = lo;
340: *lidx = idx-map->range[lo];
341: return(0);
342: }
344: PETSC_EXTERN PetscClassId PETSC_SECTION_CLASSID;
346: /*S
347: PetscSection - Mapping from integers in a designated range to contiguous sets of integers.
349: In contrast to IS, which maps from integers to single integers, the range of a PetscSection is in the space of
350: contiguous sets of integers. These ranges are frequently interpreted as domains of other array-like objects,
351: especially other PetscSections, Vecs, and ISs. The domain is set with PetscSectionSetChart() and does not need to
352: start at 0. For each point in the domain of a PetscSection, the output set is represented through an offset and a
353: count, which are set using PetscSectionSetOffset() and PetscSectionSetDof() respectively. Lookup is typically using
354: accessors or routines like VecGetValuesSection().
356: Level: developer
358: .seealso: PetscSectionCreate(), PetscSectionDestroy()
359: S*/
360: typedef struct _p_PetscSection *PetscSection;
361: PETSC_EXTERN PetscErrorCode PetscSectionCreate(MPI_Comm,PetscSection*);
362: PETSC_EXTERN PetscErrorCode PetscSectionClone(PetscSection, PetscSection*);
363: PETSC_EXTERN PetscErrorCode PetscSectionGetNumFields(PetscSection, PetscInt *);
364: PETSC_EXTERN PetscErrorCode PetscSectionSetNumFields(PetscSection, PetscInt);
365: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldName(PetscSection, PetscInt, const char *[]);
366: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldName(PetscSection, PetscInt, const char []);
367: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldComponents(PetscSection, PetscInt, PetscInt *);
368: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldComponents(PetscSection, PetscInt, PetscInt);
369: PETSC_EXTERN PetscErrorCode PetscSectionGetChart(PetscSection, PetscInt *, PetscInt *);
370: PETSC_EXTERN PetscErrorCode PetscSectionSetChart(PetscSection, PetscInt, PetscInt);
371: PETSC_EXTERN PetscErrorCode PetscSectionGetDof(PetscSection, PetscInt, PetscInt*);
372: PETSC_EXTERN PetscErrorCode PetscSectionSetDof(PetscSection, PetscInt, PetscInt);
373: PETSC_EXTERN PetscErrorCode PetscSectionAddDof(PetscSection, PetscInt, PetscInt);
374: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldDof(PetscSection, PetscInt, PetscInt, PetscInt*);
375: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldDof(PetscSection, PetscInt, PetscInt, PetscInt);
376: PETSC_EXTERN PetscErrorCode PetscSectionAddFieldDof(PetscSection, PetscInt, PetscInt, PetscInt);
377: PETSC_EXTERN PetscErrorCode PetscSectionGetConstraintDof(PetscSection, PetscInt, PetscInt*);
378: PETSC_EXTERN PetscErrorCode PetscSectionSetConstraintDof(PetscSection, PetscInt, PetscInt);
379: PETSC_EXTERN PetscErrorCode PetscSectionAddConstraintDof(PetscSection, PetscInt, PetscInt);
380: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt*);
381: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt);
382: PETSC_EXTERN PetscErrorCode PetscSectionAddFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt);
383: PETSC_EXTERN PetscErrorCode PetscSectionGetConstraintIndices(PetscSection, PetscInt, const PetscInt**);
384: PETSC_EXTERN PetscErrorCode PetscSectionSetConstraintIndices(PetscSection, PetscInt, const PetscInt*);
385: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldConstraintIndices(PetscSection, PetscInt, PetscInt, const PetscInt**);
386: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldConstraintIndices(PetscSection, PetscInt, PetscInt, const PetscInt*);
387: PETSC_EXTERN PetscErrorCode PetscSectionSetUpBC(PetscSection);
388: PETSC_EXTERN PetscErrorCode PetscSectionSetUp(PetscSection);
389: PETSC_EXTERN PetscErrorCode PetscSectionGetMaxDof(PetscSection, PetscInt*);
390: PETSC_EXTERN PetscErrorCode PetscSectionGetStorageSize(PetscSection, PetscInt*);
391: PETSC_EXTERN PetscErrorCode PetscSectionGetConstrainedStorageSize(PetscSection, PetscInt*);
392: PETSC_EXTERN PetscErrorCode PetscSectionGetOffset(PetscSection, PetscInt, PetscInt*);
393: PETSC_EXTERN PetscErrorCode PetscSectionSetOffset(PetscSection, PetscInt, PetscInt);
394: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldOffset(PetscSection, PetscInt, PetscInt, PetscInt*);
395: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldOffset(PetscSection, PetscInt, PetscInt, PetscInt);
396: PETSC_EXTERN PetscErrorCode PetscSectionGetOffsetRange(PetscSection, PetscInt *, PetscInt *);
397: PETSC_EXTERN PetscErrorCode PetscSectionView(PetscSection, PetscViewer);
398: PETSC_EXTERN PetscErrorCode PetscSectionReset(PetscSection);
399: PETSC_EXTERN PetscErrorCode PetscSectionDestroy(PetscSection*);
400: PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSection(PetscSection, PetscSF, PetscBool, PetscSection *);
401: PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSectionCensored(PetscSection, PetscSF, PetscBool, PetscInt, const PetscInt [], PetscSection *);
402: PETSC_EXTERN PetscErrorCode PetscSectionCreateSubsection(PetscSection, PetscInt, PetscInt [], PetscSection *);
403: PETSC_EXTERN PetscErrorCode PetscSectionCreateSubmeshSection(PetscSection, IS, PetscSection *);
404: PETSC_EXTERN PetscErrorCode PetscSectionGetPointLayout(MPI_Comm, PetscSection, PetscLayout *);
405: PETSC_EXTERN PetscErrorCode PetscSectionGetValueLayout(MPI_Comm, PetscSection, PetscLayout *);
407: /* PetscSF support */
408: PETSC_EXTERN PetscErrorCode PetscSFConvertPartition(PetscSF, PetscSection, IS, ISLocalToGlobalMapping *, PetscSF *);
409: PETSC_EXTERN PetscErrorCode PetscSFCreateRemoteOffsets(PetscSF, PetscSection, PetscSection, PetscInt **);
410: PETSC_EXTERN PetscErrorCode PetscSFDistributeSection(PetscSF, PetscSection, PetscInt **, PetscSection);
411: PETSC_EXTERN PetscErrorCode PetscSFCreateSectionSF(PetscSF, PetscSection, PetscInt [], PetscSection, PetscSF *);
413: /* Reset __FUNCT__ in case the user does not define it themselves */
417: #endif