Actual source code: petscis.h
petsc-3.9.4 2018-09-11
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 <petscsftypes.h>
9: #include <petscistypes.h>
11: #define IS_FILE_CLASSID 1211218
12: PETSC_EXTERN PetscClassId IS_CLASSID;
14: PETSC_EXTERN PetscErrorCode ISInitializePackage(void);
16: /*J
17: ISType - String with the name of a PETSc index set type
19: Level: beginner
21: .seealso: ISSetType(), IS, ISCreate(), ISRegister()
22: J*/
23: typedef const char* ISType;
24: #define ISGENERAL "general"
25: #define ISSTRIDE "stride"
26: #define ISBLOCK "block"
28: /* Dynamic creation and loading functions */
29: PETSC_EXTERN PetscFunctionList ISList;
30: PETSC_EXTERN PetscErrorCode ISSetType(IS, ISType);
31: PETSC_EXTERN PetscErrorCode ISGetType(IS, ISType *);
32: PETSC_EXTERN PetscErrorCode ISRegister(const char[],PetscErrorCode (*)(IS));
33: PETSC_EXTERN PetscErrorCode ISCreate(MPI_Comm,IS*);
35: /*
36: Default index set data structures that PETSc provides.
37: */
38: PETSC_EXTERN PetscErrorCode ISCreateGeneral(MPI_Comm,PetscInt,const PetscInt[],PetscCopyMode,IS *);
39: PETSC_EXTERN PetscErrorCode ISGeneralSetIndices(IS,PetscInt,const PetscInt[],PetscCopyMode);
40: PETSC_EXTERN PetscErrorCode ISCreateBlock(MPI_Comm,PetscInt,PetscInt,const PetscInt[],PetscCopyMode,IS *);
41: PETSC_EXTERN PetscErrorCode ISBlockSetIndices(IS,PetscInt,PetscInt,const PetscInt[],PetscCopyMode);
42: PETSC_EXTERN PetscErrorCode ISCreateStride(MPI_Comm,PetscInt,PetscInt,PetscInt,IS *);
43: PETSC_EXTERN PetscErrorCode ISStrideSetStride(IS,PetscInt,PetscInt,PetscInt);
45: PETSC_EXTERN PetscErrorCode ISDestroy(IS*);
46: PETSC_EXTERN PetscErrorCode ISSetPermutation(IS);
47: PETSC_EXTERN PetscErrorCode ISPermutation(IS,PetscBool *);
48: PETSC_EXTERN PetscErrorCode ISSetIdentity(IS);
49: PETSC_EXTERN PetscErrorCode ISIdentity(IS,PetscBool *);
50: PETSC_EXTERN PetscErrorCode ISContiguousLocal(IS,PetscInt,PetscInt,PetscInt*,PetscBool*);
52: PETSC_EXTERN PetscErrorCode ISGetIndices(IS,const PetscInt *[]);
53: PETSC_EXTERN PetscErrorCode ISRestoreIndices(IS,const PetscInt *[]);
54: PETSC_EXTERN PetscErrorCode ISGetTotalIndices(IS,const PetscInt *[]);
55: PETSC_EXTERN PetscErrorCode ISRestoreTotalIndices(IS,const PetscInt *[]);
56: PETSC_EXTERN PetscErrorCode ISGetNonlocalIndices(IS,const PetscInt *[]);
57: PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIndices(IS,const PetscInt *[]);
58: PETSC_EXTERN PetscErrorCode ISGetNonlocalIS(IS, IS *is);
59: PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIS(IS, IS *is);
60: PETSC_EXTERN PetscErrorCode ISGetSize(IS,PetscInt *);
61: PETSC_EXTERN PetscErrorCode ISGetLocalSize(IS,PetscInt *);
62: PETSC_EXTERN PetscErrorCode ISInvertPermutation(IS,PetscInt,IS*);
63: PETSC_EXTERN PetscErrorCode ISView(IS,PetscViewer);
64: PETSC_STATIC_INLINE PetscErrorCode ISViewFromOptions(IS A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
65: PETSC_EXTERN PetscErrorCode ISLoad(IS,PetscViewer);
66: PETSC_EXTERN PetscErrorCode ISEqual(IS,IS,PetscBool *);
67: PETSC_EXTERN PetscErrorCode ISEqualUnsorted(IS,IS,PetscBool *);
68: PETSC_EXTERN PetscErrorCode ISSort(IS);
69: PETSC_EXTERN PetscErrorCode ISSortRemoveDups(IS);
70: PETSC_EXTERN PetscErrorCode ISSorted(IS,PetscBool *);
71: PETSC_EXTERN PetscErrorCode ISDifference(IS,IS,IS*);
72: PETSC_EXTERN PetscErrorCode ISSum(IS,IS,IS*);
73: PETSC_EXTERN PetscErrorCode ISExpand(IS,IS,IS*);
74: PETSC_EXTERN PetscErrorCode ISIntersect(IS,IS,IS*);
75: PETSC_EXTERN PetscErrorCode ISGetMinMax(IS,PetscInt*,PetscInt*);
77: PETSC_EXTERN PetscErrorCode ISLocate(IS,PetscInt,PetscInt*);
79: PETSC_EXTERN PetscErrorCode ISBlockGetIndices(IS,const PetscInt *[]);
80: PETSC_EXTERN PetscErrorCode ISBlockRestoreIndices(IS,const PetscInt *[]);
81: PETSC_EXTERN PetscErrorCode ISBlockGetLocalSize(IS,PetscInt *);
82: PETSC_EXTERN PetscErrorCode ISBlockGetSize(IS,PetscInt *);
83: PETSC_EXTERN PetscErrorCode ISGetBlockSize(IS,PetscInt*);
84: PETSC_EXTERN PetscErrorCode ISSetBlockSize(IS,PetscInt);
86: PETSC_EXTERN PetscErrorCode ISStrideGetInfo(IS,PetscInt *,PetscInt*);
88: PETSC_EXTERN PetscErrorCode ISToGeneral(IS);
90: PETSC_EXTERN PetscErrorCode ISDuplicate(IS,IS*);
91: PETSC_EXTERN PetscErrorCode ISCopy(IS,IS);
92: PETSC_EXTERN PetscErrorCode ISAllGather(IS,IS*);
93: PETSC_EXTERN PetscErrorCode ISComplement(IS,PetscInt,PetscInt,IS*);
94: PETSC_EXTERN PetscErrorCode ISConcatenate(MPI_Comm,PetscInt,const IS[],IS*);
95: PETSC_EXTERN PetscErrorCode ISListToPair(MPI_Comm,PetscInt, IS[],IS*,IS*);
96: PETSC_EXTERN PetscErrorCode ISPairToList(IS,IS,PetscInt*, IS *[]);
97: PETSC_EXTERN PetscErrorCode ISEmbed(IS,IS,PetscBool,IS*);
98: PETSC_EXTERN PetscErrorCode ISSortPermutation(IS,PetscBool,IS*);
99: PETSC_EXTERN PetscErrorCode ISOnComm(IS,MPI_Comm,PetscCopyMode,IS*);
100: PETSC_EXTERN PetscErrorCode ISRenumber(IS,IS,PetscInt*,IS*);
102: /* --------------------------------------------------------------------------*/
103: PETSC_EXTERN PetscClassId IS_LTOGM_CLASSID;
105: /*E
106: ISGlobalToLocalMappingMode - Indicates if missing global indices are
108: IS_GTOLM_MASK - missing global indices are replaced with -1
109: IS_GTOLM_DROP - missing global indices are dropped
111: Level: beginner
113: .seealso: ISGlobalToLocalMappingApplyBlock(), ISGlobalToLocalMappingApply()
115: E*/
116: typedef enum {IS_GTOLM_MASK,IS_GTOLM_DROP} ISGlobalToLocalMappingMode;
118: /*J
119: ISLocalToGlobalMappingType - String with the name of a mapping method
121: Level: beginner
123: .seealso: ISLocalToGlobalMappingSetType(), ISLocalToGlobalSetFromOptions()
124: J*/
125: typedef const char* ISLocalToGlobalMappingType;
126: #define ISLOCALTOGLOBALMAPPINGBASIC "basic"
127: #define ISLOCALTOGLOBALMAPPINGHASH "hash"
129: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingSetType(ISLocalToGlobalMapping,ISLocalToGlobalMappingType);
130: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRegisterAll(void);
131: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreate(MPI_Comm,PetscInt,PetscInt,const PetscInt[],PetscCopyMode,ISLocalToGlobalMapping*);
132: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreateIS(IS,ISLocalToGlobalMapping *);
133: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreateSF(PetscSF,PetscInt,ISLocalToGlobalMapping*);
134: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingSetFromOptions(ISLocalToGlobalMapping);
135: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingSetUp(ISLocalToGlobalMapping);
136: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingView(ISLocalToGlobalMapping,PetscViewer);
137: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingDestroy(ISLocalToGlobalMapping*);
138: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApply(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]);
139: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApplyBlock(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]);
140: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApplyIS(ISLocalToGlobalMapping,IS,IS*);
141: PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApply(ISLocalToGlobalMapping,ISGlobalToLocalMappingMode,PetscInt,const PetscInt[],PetscInt*,PetscInt[]);
142: PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApplyBlock(ISLocalToGlobalMapping,ISGlobalToLocalMappingMode,PetscInt,const PetscInt[],PetscInt*,PetscInt[]);
143: PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApplyIS(ISLocalToGlobalMapping,ISGlobalToLocalMappingMode,IS,IS*);
144: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetSize(ISLocalToGlobalMapping,PetscInt*);
145: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]);
146: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]);
147: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]);
148: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreBlockInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]);
149: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetIndices(ISLocalToGlobalMapping,const PetscInt**);
150: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreIndices(ISLocalToGlobalMapping,const PetscInt**);
151: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockIndices(ISLocalToGlobalMapping,const PetscInt**);
152: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreBlockIndices(ISLocalToGlobalMapping,const PetscInt**);
153: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingConcatenate(MPI_Comm,PetscInt,const ISLocalToGlobalMapping[],ISLocalToGlobalMapping*);
154: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockSize(ISLocalToGlobalMapping,PetscInt*);
155: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingSetBlockSize(ISLocalToGlobalMapping,PetscInt);
156: PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingDuplicate(ISLocalToGlobalMapping,ISLocalToGlobalMapping*);
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_LOCAL - includes colors for ghost points, this is used when the function can be called
169: $ separately 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. Currently only works
172: $ with DMDA and if you call MatFDColoringSetFunction() with the local function.
174: .seealso: DMCreateColoring()
175: E*/
176: typedef enum {IS_COLORING_GLOBAL,IS_COLORING_LOCAL} 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: PETSC_EXTERN PetscErrorCode ISColoringCreate(MPI_Comm,PetscInt,PetscInt,const ISColoringValue[],PetscCopyMode,ISColoring*);
182: PETSC_EXTERN PetscErrorCode ISColoringDestroy(ISColoring*);
183: PETSC_EXTERN PetscErrorCode ISColoringView(ISColoring,PetscViewer);
184: PETSC_EXTERN PetscErrorCode ISColoringViewFromOptions(ISColoring,PetscObject,const char[]);
185: PETSC_EXTERN PetscErrorCode ISColoringGetIS(ISColoring,PetscInt*,IS*[]);
186: PETSC_EXTERN PetscErrorCode ISColoringRestoreIS(ISColoring,IS*[]);
187: PETSC_EXTERN PetscErrorCode ISColoringReference(ISColoring);
188: PETSC_EXTERN PetscErrorCode ISColoringSetType(ISColoring,ISColoringType);
191: /* --------------------------------------------------------------------------*/
192: PETSC_EXTERN PetscErrorCode ISBuildTwoSided(IS,IS,IS*);
193: PETSC_EXTERN PetscErrorCode ISPartitioningToNumbering(IS,IS*);
194: PETSC_EXTERN PetscErrorCode ISPartitioningCount(IS,PetscInt,PetscInt[]);
196: PETSC_EXTERN PetscErrorCode ISCompressIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]);
197: PETSC_EXTERN PetscErrorCode ISCompressIndicesSorted(PetscInt,PetscInt,PetscInt,const IS[],IS[]);
198: PETSC_EXTERN PetscErrorCode ISExpandIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]);
201: struct _n_PetscLayout{
202: MPI_Comm comm;
203: PetscInt n,N; /* local, global vector size */
204: PetscInt rstart,rend; /* local start, local end + 1 */
205: PetscInt *range; /* the offset of each processor */
206: PetscInt bs; /* number of elements in each block (generally for multi-component
207: * problems). Defaults to -1 and can be arbitrarily lazy so always use
208: * PetscAbs(map->bs) when accessing directly and expecting result to be
209: * positive. Do NOT multiply above numbers by bs */
210: PetscInt refcnt; /* MPI Vecs obtained with VecDuplicate() and from MatCreateVecs() reuse map of input object */
211: ISLocalToGlobalMapping mapping; /* mapping used in Vec/MatSetValuesLocal() */
212: };
214: /*@C
215: PetscLayoutFindOwner - Find the owning rank for a global index
217: Not Collective
219: Input Parameters:
220: + map - the layout
221: - idx - global index to find the owner of
223: Output Parameter:
224: . owner - the owning rank
226: Level: developer
228: Fortran Notes:
229: Not available from Fortran
231: @*/
232: PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwner(PetscLayout map,PetscInt idx,PetscInt *owner)
233: {
235: PetscMPIInt lo = 0,hi,t;
238: *owner = -1; /* GCC erroneously issues warning about possibly uninitialized use when error condition */
239: if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first");
240: if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx);
241: MPI_Comm_size(map->comm,&hi);
242: while (hi - lo > 1) {
243: t = lo + (hi - lo) / 2;
244: if (idx < map->range[t]) hi = t;
245: else lo = t;
246: }
247: *owner = lo;
248: return(0);
249: }
251: /*@C
252: PetscLayoutFindOwnerIndex - Find the owning rank and the local index for a global index
254: Not Collective
256: Input Parameters:
257: + map - the layout
258: - idx - global index to find the owner of
260: Output Parameter:
261: + owner - the owning rank
262: - lidx - local index used by the owner for idx
264: Level: developer
266: Fortran Notes:
267: Not available from Fortran
269: @*/
270: PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwnerIndex(PetscLayout map,PetscInt idx,PetscInt *owner, PetscInt *lidx)
271: {
273: PetscMPIInt lo = 0,hi,t;
276: if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first");
277: if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx);
278: MPI_Comm_size(map->comm,&hi);
279: while (hi - lo > 1) {
280: t = lo + (hi - lo) / 2;
281: if (idx < map->range[t]) hi = t;
282: else lo = t;
283: }
284: if (owner) *owner = lo;
285: if (lidx) *lidx = idx-map->range[lo];
286: return(0);
287: }
289: PETSC_EXTERN PetscErrorCode PetscLayoutCreate(MPI_Comm,PetscLayout*);
290: PETSC_EXTERN PetscErrorCode PetscLayoutSetUp(PetscLayout);
291: PETSC_EXTERN PetscErrorCode PetscLayoutDestroy(PetscLayout*);
292: PETSC_EXTERN PetscErrorCode PetscLayoutDuplicate(PetscLayout,PetscLayout*);
293: PETSC_EXTERN PetscErrorCode PetscLayoutReference(PetscLayout,PetscLayout*);
294: PETSC_EXTERN PetscErrorCode PetscLayoutSetLocalSize(PetscLayout,PetscInt);
295: PETSC_EXTERN PetscErrorCode PetscLayoutGetLocalSize(PetscLayout,PetscInt *);
296: PETSC_EXTERN PetscErrorCode PetscLayoutSetSize(PetscLayout,PetscInt);
297: PETSC_EXTERN PetscErrorCode PetscLayoutGetSize(PetscLayout,PetscInt *);
298: PETSC_EXTERN PetscErrorCode PetscLayoutSetBlockSize(PetscLayout,PetscInt);
299: PETSC_EXTERN PetscErrorCode PetscLayoutGetBlockSize(PetscLayout,PetscInt*);
300: PETSC_EXTERN PetscErrorCode PetscLayoutGetRange(PetscLayout,PetscInt *,PetscInt *);
301: PETSC_EXTERN PetscErrorCode PetscLayoutGetRanges(PetscLayout,const PetscInt *[]);
302: PETSC_EXTERN PetscErrorCode PetscLayoutCompare(PetscLayout,PetscLayout,PetscBool*);
303: PETSC_EXTERN PetscErrorCode PetscLayoutSetISLocalToGlobalMapping(PetscLayout,ISLocalToGlobalMapping);
304: PETSC_EXTERN PetscErrorCode PetscSFSetGraphLayout(PetscSF,PetscLayout,PetscInt,const PetscInt*,PetscCopyMode,const PetscInt*);
306: PETSC_EXTERN PetscClassId PETSC_SECTION_CLASSID;
308: PETSC_EXTERN PetscErrorCode PetscSectionCreate(MPI_Comm,PetscSection*);
309: PETSC_EXTERN PetscErrorCode PetscSectionClone(PetscSection, PetscSection*);
310: PETSC_EXTERN PetscErrorCode PetscSectionCopy(PetscSection, PetscSection);
311: PETSC_EXTERN PetscErrorCode PetscSectionCompare(PetscSection, PetscSection, PetscBool*);
312: PETSC_EXTERN PetscErrorCode PetscSectionGetNumFields(PetscSection, PetscInt *);
313: PETSC_EXTERN PetscErrorCode PetscSectionSetNumFields(PetscSection, PetscInt);
314: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldName(PetscSection, PetscInt, const char *[]);
315: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldName(PetscSection, PetscInt, const char []);
316: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldComponents(PetscSection, PetscInt, PetscInt *);
317: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldComponents(PetscSection, PetscInt, PetscInt);
318: PETSC_EXTERN PetscErrorCode PetscSectionGetChart(PetscSection, PetscInt *, PetscInt *);
319: PETSC_EXTERN PetscErrorCode PetscSectionSetChart(PetscSection, PetscInt, PetscInt);
320: PETSC_EXTERN PetscErrorCode PetscSectionGetPermutation(PetscSection, IS *);
321: PETSC_EXTERN PetscErrorCode PetscSectionSetPermutation(PetscSection, IS);
322: PETSC_EXTERN PetscErrorCode PetscSectionGetDof(PetscSection, PetscInt, PetscInt*);
323: PETSC_EXTERN PetscErrorCode PetscSectionSetDof(PetscSection, PetscInt, PetscInt);
324: PETSC_EXTERN PetscErrorCode PetscSectionAddDof(PetscSection, PetscInt, PetscInt);
325: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldDof(PetscSection, PetscInt, PetscInt, PetscInt*);
326: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldDof(PetscSection, PetscInt, PetscInt, PetscInt);
327: PETSC_EXTERN PetscErrorCode PetscSectionAddFieldDof(PetscSection, PetscInt, PetscInt, PetscInt);
328: PETSC_EXTERN PetscErrorCode PetscSectionHasConstraints(PetscSection, PetscBool *);
329: PETSC_EXTERN PetscErrorCode PetscSectionGetConstraintDof(PetscSection, PetscInt, PetscInt*);
330: PETSC_EXTERN PetscErrorCode PetscSectionSetConstraintDof(PetscSection, PetscInt, PetscInt);
331: PETSC_EXTERN PetscErrorCode PetscSectionAddConstraintDof(PetscSection, PetscInt, PetscInt);
332: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt*);
333: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt);
334: PETSC_EXTERN PetscErrorCode PetscSectionAddFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt);
335: PETSC_EXTERN PetscErrorCode PetscSectionGetConstraintIndices(PetscSection, PetscInt, const PetscInt**);
336: PETSC_EXTERN PetscErrorCode PetscSectionSetConstraintIndices(PetscSection, PetscInt, const PetscInt*);
337: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldConstraintIndices(PetscSection, PetscInt, PetscInt, const PetscInt**);
338: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldConstraintIndices(PetscSection, PetscInt, PetscInt, const PetscInt*);
339: PETSC_EXTERN PetscErrorCode PetscSectionSetUpBC(PetscSection);
340: PETSC_EXTERN PetscErrorCode PetscSectionSetUp(PetscSection);
341: PETSC_EXTERN PetscErrorCode PetscSectionGetMaxDof(PetscSection, PetscInt*);
342: PETSC_EXTERN PetscErrorCode PetscSectionGetStorageSize(PetscSection, PetscInt*);
343: PETSC_EXTERN PetscErrorCode PetscSectionGetConstrainedStorageSize(PetscSection, PetscInt*);
344: PETSC_EXTERN PetscErrorCode PetscSectionGetOffset(PetscSection, PetscInt, PetscInt*);
345: PETSC_EXTERN PetscErrorCode PetscSectionSetOffset(PetscSection, PetscInt, PetscInt);
346: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldOffset(PetscSection, PetscInt, PetscInt, PetscInt*);
347: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldOffset(PetscSection, PetscInt, PetscInt, PetscInt);
348: PETSC_EXTERN PetscErrorCode PetscSectionGetOffsetRange(PetscSection, PetscInt *, PetscInt *);
349: PETSC_EXTERN PetscErrorCode PetscSectionView(PetscSection, PetscViewer);
350: PETSC_STATIC_INLINE PetscErrorCode PetscSectionViewFromOptions(PetscSection A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
351: PETSC_EXTERN PetscErrorCode PetscSectionReset(PetscSection);
352: PETSC_EXTERN PetscErrorCode PetscSectionDestroy(PetscSection*);
353: PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSection(PetscSection, PetscSF, PetscBool, PetscBool, PetscSection *);
354: PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSectionCensored(PetscSection, PetscSF, PetscBool, PetscInt, const PetscInt [], PetscSection *);
355: PETSC_EXTERN PetscErrorCode PetscSectionCreateSubsection(PetscSection, PetscInt, const PetscInt [], PetscSection *);
356: PETSC_EXTERN PetscErrorCode PetscSectionCreateSupersection(PetscSection[], PetscInt, PetscSection *);
357: PETSC_EXTERN PetscErrorCode PetscSectionCreateSubmeshSection(PetscSection, IS, PetscSection *);
358: PETSC_EXTERN PetscErrorCode PetscSectionGetPointLayout(MPI_Comm, PetscSection, PetscLayout *);
359: PETSC_EXTERN PetscErrorCode PetscSectionGetValueLayout(MPI_Comm, PetscSection, PetscLayout *);
360: PETSC_EXTERN PetscErrorCode PetscSectionPermute(PetscSection, IS, PetscSection *);
361: PETSC_EXTERN PetscErrorCode PetscSectionGetField(PetscSection, PetscInt, PetscSection *);
363: PETSC_EXTERN PetscErrorCode PetscSectionSetClosureIndex(PetscSection, PetscObject, PetscSection, IS);
364: PETSC_EXTERN PetscErrorCode PetscSectionGetClosureIndex(PetscSection, PetscObject, PetscSection *, IS *);
365: PETSC_EXTERN PetscErrorCode PetscSectionSetClosurePermutation(PetscSection, PetscObject, IS);
366: PETSC_EXTERN PetscErrorCode PetscSectionGetClosurePermutation(PetscSection, PetscObject, IS *);
367: PETSC_EXTERN PetscErrorCode PetscSectionGetClosureInversePermutation(PetscSection, PetscObject, IS *);
369: PETSC_EXTERN PetscClassId PETSC_SECTION_SYM_CLASSID;
371: /*J
372: PetscSectionSymType - String with the name of a PetscSectionSym type.
374: Level: developer
376: Notes: PetscSectionSym has no default implementation, but is used by DM in PetscSectionSymCreateLabel().
378: .seealso: PetscSectionSymSetType(), PetscSectionSym, PetscSectionSymCreate(), PetscSectionSymRegister()
379: J*/
380: typedef const char *PetscSectionSymType;
382: PETSC_EXTERN PetscFunctionList PetscSectionSymList;
383: PETSC_EXTERN PetscErrorCode PetscSectionSymSetType(PetscSectionSym, PetscSectionSymType);
384: PETSC_EXTERN PetscErrorCode PetscSectionSymGetType(PetscSectionSym, PetscSectionSymType*);
385: PETSC_EXTERN PetscErrorCode PetscSectionSymRegister(const char[],PetscErrorCode (*)(PetscSectionSym));
387: PETSC_EXTERN PetscErrorCode PetscSectionSymCreate(MPI_Comm, PetscSectionSym*);
388: PETSC_EXTERN PetscErrorCode PetscSectionSymDestroy(PetscSectionSym*);
389: PETSC_EXTERN PetscErrorCode PetscSectionSymView(PetscSectionSym,PetscViewer);
391: PETSC_EXTERN PetscErrorCode PetscSectionSetSym(PetscSection, PetscSectionSym);
392: PETSC_EXTERN PetscErrorCode PetscSectionGetSym(PetscSection, PetscSectionSym*);
393: PETSC_EXTERN PetscErrorCode PetscSectionSetFieldSym(PetscSection, PetscInt, PetscSectionSym);
394: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldSym(PetscSection, PetscInt, PetscSectionSym*);
396: PETSC_EXTERN PetscErrorCode PetscSectionGetPointSyms(PetscSection, PetscInt, const PetscInt *, const PetscInt ***, const PetscScalar ***);
397: PETSC_EXTERN PetscErrorCode PetscSectionRestorePointSyms(PetscSection, PetscInt, const PetscInt *, const PetscInt ***, const PetscScalar ***);
398: PETSC_EXTERN PetscErrorCode PetscSectionGetFieldPointSyms(PetscSection, PetscInt, PetscInt, const PetscInt *, const PetscInt ***, const PetscScalar ***);
399: PETSC_EXTERN PetscErrorCode PetscSectionRestoreFieldPointSyms(PetscSection, PetscInt, PetscInt, const PetscInt *, const PetscInt ***, const PetscScalar ***);
402: /* PetscSF support */
403: PETSC_EXTERN PetscErrorCode PetscSFConvertPartition(PetscSF, PetscSection, IS, ISLocalToGlobalMapping *, PetscSF *);
404: PETSC_EXTERN PetscErrorCode PetscSFCreateRemoteOffsets(PetscSF, PetscSection, PetscSection, PetscInt **);
405: PETSC_EXTERN PetscErrorCode PetscSFDistributeSection(PetscSF, PetscSection, PetscInt **, PetscSection);
406: PETSC_EXTERN PetscErrorCode PetscSFCreateSectionSF(PetscSF, PetscSection, PetscInt [], PetscSection, PetscSF *);
408: #endif