1 /* 2 An index set is a generalization of a subset of integers. Index sets 3 are used for defining scatters and gathers. 4 */ 5 #if !defined(__PETSCIS_H) 6 #define __PETSCIS_H 7 #include <petscsys.h> 8 #include <petscsftypes.h> 9 10 #define IS_FILE_CLASSID 1211218 11 PETSC_EXTERN PetscClassId IS_CLASSID; 12 13 PETSC_EXTERN PetscErrorCode ISInitializePackage(void); 14 15 /*S 16 IS - Abstract PETSc object that allows indexing. 17 18 Level: beginner 19 20 Concepts: indexing, stride 21 22 .seealso: ISCreateGeneral(), ISCreateBlock(), ISCreateStride(), ISGetIndices(), ISDestroy() 23 S*/ 24 typedef struct _p_IS* IS; 25 26 /*J 27 ISType - String with the name of a PETSc index set type 28 29 Level: beginner 30 31 .seealso: ISSetType(), IS, ISCreate(), ISRegister() 32 J*/ 33 typedef const char* ISType; 34 #define ISGENERAL "general" 35 #define ISSTRIDE "stride" 36 #define ISBLOCK "block" 37 38 /* Dynamic creation and loading functions */ 39 PETSC_EXTERN PetscFunctionList ISList; 40 PETSC_EXTERN PetscBool ISRegisterAllCalled; 41 PETSC_EXTERN PetscErrorCode ISSetType(IS, ISType); 42 PETSC_EXTERN PetscErrorCode ISGetType(IS, ISType *); 43 PETSC_EXTERN PetscErrorCode ISRegister(const char[],PetscErrorCode (*)(IS)); 44 PETSC_EXTERN PetscErrorCode ISRegisterAll(void); 45 PETSC_EXTERN PetscErrorCode ISCreate(MPI_Comm,IS*); 46 47 /* 48 Default index set data structures that PETSc provides. 49 */ 50 PETSC_EXTERN PetscErrorCode ISCreateGeneral(MPI_Comm,PetscInt,const PetscInt[],PetscCopyMode,IS *); 51 PETSC_EXTERN PetscErrorCode ISGeneralSetIndices(IS,PetscInt,const PetscInt[],PetscCopyMode); 52 PETSC_EXTERN PetscErrorCode ISCreateBlock(MPI_Comm,PetscInt,PetscInt,const PetscInt[],PetscCopyMode,IS *); 53 PETSC_EXTERN PetscErrorCode ISBlockSetIndices(IS,PetscInt,PetscInt,const PetscInt[],PetscCopyMode); 54 PETSC_EXTERN PetscErrorCode ISCreateStride(MPI_Comm,PetscInt,PetscInt,PetscInt,IS *); 55 PETSC_EXTERN PetscErrorCode ISStrideSetStride(IS,PetscInt,PetscInt,PetscInt); 56 57 PETSC_EXTERN PetscErrorCode ISDestroy(IS*); 58 PETSC_EXTERN PetscErrorCode ISSetPermutation(IS); 59 PETSC_EXTERN PetscErrorCode ISPermutation(IS,PetscBool *); 60 PETSC_EXTERN PetscErrorCode ISSetIdentity(IS); 61 PETSC_EXTERN PetscErrorCode ISIdentity(IS,PetscBool *); 62 PETSC_EXTERN PetscErrorCode ISContiguousLocal(IS,PetscInt,PetscInt,PetscInt*,PetscBool*); 63 64 PETSC_EXTERN PetscErrorCode ISGetIndices(IS,const PetscInt *[]); 65 PETSC_EXTERN PetscErrorCode ISRestoreIndices(IS,const PetscInt *[]); 66 PETSC_EXTERN PetscErrorCode ISGetTotalIndices(IS,const PetscInt *[]); 67 PETSC_EXTERN PetscErrorCode ISRestoreTotalIndices(IS,const PetscInt *[]); 68 PETSC_EXTERN PetscErrorCode ISGetNonlocalIndices(IS,const PetscInt *[]); 69 PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIndices(IS,const PetscInt *[]); 70 PETSC_EXTERN PetscErrorCode ISGetNonlocalIS(IS, IS *is); 71 PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIS(IS, IS *is); 72 PETSC_EXTERN PetscErrorCode ISGetSize(IS,PetscInt *); 73 PETSC_EXTERN PetscErrorCode ISGetLocalSize(IS,PetscInt *); 74 PETSC_EXTERN PetscErrorCode ISInvertPermutation(IS,PetscInt,IS*); 75 PETSC_EXTERN PetscErrorCode ISView(IS,PetscViewer); 76 PETSC_STATIC_INLINE PetscErrorCode ISViewFromOptions(IS A,const char prefix[],const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,prefix,name);} 77 PETSC_EXTERN PetscErrorCode ISLoad(IS,PetscViewer); 78 PETSC_EXTERN PetscErrorCode ISEqual(IS,IS,PetscBool *); 79 PETSC_EXTERN PetscErrorCode ISSort(IS); 80 PETSC_EXTERN PetscErrorCode ISSortRemoveDups(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*); 86 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); 93 94 PETSC_EXTERN PetscErrorCode ISStrideGetInfo(IS,PetscInt *,PetscInt*); 95 96 PETSC_EXTERN PetscErrorCode ISToGeneral(IS); 97 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*); 107 108 /* --------------------------------------------------------------------------*/ 109 PETSC_EXTERN PetscClassId IS_LTOGM_CLASSID; 110 111 /*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. 115 116 Level: intermediate 117 118 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. 121 122 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. 125 126 .seealso: ISLocalToGlobalMappingCreate() 127 S*/ 128 typedef struct _p_ISLocalToGlobalMapping* ISLocalToGlobalMapping; 129 130 /*E 131 ISGlobalToLocalMappingType - Indicates if missing global indices are 132 133 IS_GTOLM_MASK - missing global indices are replaced with -1 134 IS_GTOLM_DROP - missing global indices are dropped 135 136 Level: beginner 137 138 .seealso: ISGlobalToLocalMappingApply() 139 140 E*/ 141 typedef enum {IS_GTOLM_MASK,IS_GTOLM_DROP} ISGlobalToLocalMappingType; 142 143 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 ISLocalToGlobalMappingApply(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]); 149 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApplyIS(ISLocalToGlobalMapping,IS,IS*); 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[]); 160 161 /* --------------------------------------------------------------------------*/ 162 /*E 163 ISColoringType - determines if the coloring is for the entire parallel grid/graph/matrix 164 or for just the local ghosted portion 165 166 Level: beginner 167 168 $ 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 175 176 .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*[]); 182 183 /*S 184 ISColoring - sets of IS's that define a coloring 185 of the underlying indices 186 187 Level: intermediate 188 189 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. 193 194 Developer Note: this is not a PetscObject 195 196 .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; 208 209 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 ISColoringViewFromOptions(ISColoring,const char[],const char[]); 213 PETSC_EXTERN PetscErrorCode ISColoringGetIS(ISColoring,PetscInt*,IS*[]); 214 PETSC_EXTERN PetscErrorCode ISColoringRestoreIS(ISColoring,IS*[]); 215 PETSC_EXTERN PetscErrorCode ISColoringReference(ISColoring); 216 PETSC_EXTERN PetscErrorCode ISColoringSetType(ISColoring,ISColoringType); 217 218 219 /* --------------------------------------------------------------------------*/ 220 221 PETSC_EXTERN PetscErrorCode ISPartitioningToNumbering(IS,IS*); 222 PETSC_EXTERN PetscErrorCode ISPartitioningCount(IS,PetscInt,PetscInt[]); 223 224 PETSC_EXTERN PetscErrorCode ISCompressIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]); 225 PETSC_EXTERN PetscErrorCode ISCompressIndicesSorted(PetscInt,PetscInt,PetscInt,const IS[],IS[]); 226 PETSC_EXTERN PetscErrorCode ISExpandIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]); 227 228 /*S 229 PetscLayout - defines layout of vectors and matrices across processes (which rows are owned by which processes) 230 231 Level: developer 232 233 234 .seealso: PetscLayoutCreate(), PetscLayoutDestroy() 235 S*/ 236 typedef struct _n_PetscLayout* PetscLayout; 237 struct _n_PetscLayout{ 238 MPI_Comm comm; 239 PetscInt n,N; /* local, global vector size */ 240 PetscInt rstart,rend; /* local start, local end + 1 */ 241 PetscInt *range; /* the offset of each processor */ 242 PetscInt bs; /* number of elements in each block (generally for multi-component 243 * problems). Defaults to -1 and can be arbitrarily lazy so always use 244 * PetscAbs(map->bs) when accessing directly and expecting result to be 245 * positive. Do NOT multiply above numbers by bs */ 246 PetscInt refcnt; /* MPI Vecs obtained with VecDuplicate() and from MatGetVecs() reuse map of input object */ 247 ISLocalToGlobalMapping mapping; /* mapping used in Vec/MatSetValuesLocal() */ 248 ISLocalToGlobalMapping bmapping; /* mapping used in Vec/MatSetValuesBlockedLocal() */ 249 PetscInt *trstarts; /* local start for each thread */ 250 }; 251 252 PETSC_EXTERN PetscErrorCode PetscLayoutCreate(MPI_Comm,PetscLayout*); 253 PETSC_EXTERN PetscErrorCode PetscLayoutSetUp(PetscLayout); 254 PETSC_EXTERN PetscErrorCode PetscLayoutDestroy(PetscLayout*); 255 PETSC_EXTERN PetscErrorCode PetscLayoutDuplicate(PetscLayout,PetscLayout*); 256 PETSC_EXTERN PetscErrorCode PetscLayoutReference(PetscLayout,PetscLayout*); 257 PETSC_EXTERN PetscErrorCode PetscLayoutSetLocalSize(PetscLayout,PetscInt); 258 PETSC_EXTERN PetscErrorCode PetscLayoutGetLocalSize(PetscLayout,PetscInt *); 259 PETSC_EXTERN PetscErrorCode PetscLayoutSetSize(PetscLayout,PetscInt); 260 PETSC_EXTERN PetscErrorCode PetscLayoutGetSize(PetscLayout,PetscInt *); 261 PETSC_EXTERN PetscErrorCode PetscLayoutSetBlockSize(PetscLayout,PetscInt); 262 PETSC_EXTERN PetscErrorCode PetscLayoutGetBlockSize(PetscLayout,PetscInt*); 263 PETSC_EXTERN PetscErrorCode PetscLayoutGetRange(PetscLayout,PetscInt *,PetscInt *); 264 PETSC_EXTERN PetscErrorCode PetscLayoutGetRanges(PetscLayout,const PetscInt *[]); 265 PETSC_EXTERN PetscErrorCode PetscLayoutSetISLocalToGlobalMapping(PetscLayout,ISLocalToGlobalMapping); 266 PETSC_EXTERN PetscErrorCode PetscLayoutSetISLocalToGlobalMappingBlock(PetscLayout,ISLocalToGlobalMapping); 267 PETSC_EXTERN PetscErrorCode PetscSFSetGraphLayout(PetscSF,PetscLayout,PetscInt,const PetscInt*,PetscCopyMode,const PetscInt*); 268 269 #undef __FUNCT__ 270 #define __FUNCT__ "PetscLayoutFindOwner" 271 /*@C 272 PetscLayoutFindOwner - Find the owning rank for a global index 273 274 Not Collective 275 276 Input Parameters: 277 + map - the layout 278 - idx - global index to find the owner of 279 280 Output Parameter: 281 . owner - the owning rank 282 283 Level: developer 284 285 Fortran Notes: 286 Not available from Fortran 287 288 @*/ 289 PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwner(PetscLayout map,PetscInt idx,PetscInt *owner) 290 { 291 PetscErrorCode ierr; 292 PetscMPIInt lo = 0,hi,t; 293 294 PetscFunctionBegin; 295 *owner = -1; /* GCC erroneously issues warning about possibly uninitialized use when error condition */ 296 if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first"); 297 if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx); 298 ierr = MPI_Comm_size(map->comm,&hi);CHKERRQ(ierr); 299 while (hi - lo > 1) { 300 t = lo + (hi - lo) / 2; 301 if (idx < map->range[t]) hi = t; 302 else lo = t; 303 } 304 *owner = lo; 305 PetscFunctionReturn(0); 306 } 307 308 #undef __FUNCT__ 309 #define __FUNCT__ "PetscLayoutFindOwnerIndex" 310 /*@C 311 PetscLayoutFindOwnerIndex - Find the owning rank and the local index for a global index 312 313 Not Collective 314 315 Input Parameters: 316 + map - the layout 317 - idx - global index to find the owner of 318 319 Output Parameter: 320 + owner - the owning rank 321 - lidx - local index used by the owner for idx 322 323 Level: developer 324 325 Fortran Notes: 326 Not available from Fortran 327 328 @*/ 329 PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwnerIndex(PetscLayout map,PetscInt idx,PetscInt *owner, PetscInt *lidx) 330 { 331 PetscErrorCode ierr; 332 PetscMPIInt lo = 0,hi,t; 333 334 PetscFunctionBegin; 335 if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first"); 336 if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx); 337 ierr = MPI_Comm_size(map->comm,&hi);CHKERRQ(ierr); 338 while (hi - lo > 1) { 339 t = lo + (hi - lo) / 2; 340 if (idx < map->range[t]) hi = t; 341 else lo = t; 342 } 343 *owner = lo; 344 *lidx = idx-map->range[lo]; 345 PetscFunctionReturn(0); 346 } 347 348 PETSC_EXTERN PetscClassId PETSC_SECTION_CLASSID; 349 350 /*S 351 PetscSection - Mapping from integers in a designated range to contiguous sets of integers. 352 353 In contrast to IS, which maps from integers to single integers, the range of a PetscSection is in the space of 354 contiguous sets of integers. These ranges are frequently interpreted as domains of other array-like objects, 355 especially other PetscSections, Vecs, and ISs. The domain is set with PetscSectionSetChart() and does not need to 356 start at 0. For each point in the domain of a PetscSection, the output set is represented through an offset and a 357 count, which are set using PetscSectionSetOffset() and PetscSectionSetDof() respectively. Lookup is typically using 358 accessors or routines like VecGetValuesSection(). 359 360 Level: developer 361 362 .seealso: PetscSectionCreate(), PetscSectionDestroy() 363 S*/ 364 typedef struct _p_PetscSection *PetscSection; 365 PETSC_EXTERN PetscErrorCode PetscSectionCreate(MPI_Comm,PetscSection*); 366 PETSC_EXTERN PetscErrorCode PetscSectionClone(PetscSection, PetscSection*); 367 PETSC_EXTERN PetscErrorCode PetscSectionGetNumFields(PetscSection, PetscInt *); 368 PETSC_EXTERN PetscErrorCode PetscSectionSetNumFields(PetscSection, PetscInt); 369 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldName(PetscSection, PetscInt, const char *[]); 370 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldName(PetscSection, PetscInt, const char []); 371 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldComponents(PetscSection, PetscInt, PetscInt *); 372 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldComponents(PetscSection, PetscInt, PetscInt); 373 PETSC_EXTERN PetscErrorCode PetscSectionGetChart(PetscSection, PetscInt *, PetscInt *); 374 PETSC_EXTERN PetscErrorCode PetscSectionSetChart(PetscSection, PetscInt, PetscInt); 375 PETSC_EXTERN PetscErrorCode PetscSectionGetPermutation(PetscSection, IS *); 376 PETSC_EXTERN PetscErrorCode PetscSectionSetPermutation(PetscSection, IS); 377 PETSC_EXTERN PetscErrorCode PetscSectionGetDof(PetscSection, PetscInt, PetscInt*); 378 PETSC_EXTERN PetscErrorCode PetscSectionSetDof(PetscSection, PetscInt, PetscInt); 379 PETSC_EXTERN PetscErrorCode PetscSectionAddDof(PetscSection, PetscInt, PetscInt); 380 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldDof(PetscSection, PetscInt, PetscInt, PetscInt*); 381 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldDof(PetscSection, PetscInt, PetscInt, PetscInt); 382 PETSC_EXTERN PetscErrorCode PetscSectionAddFieldDof(PetscSection, PetscInt, PetscInt, PetscInt); 383 PETSC_EXTERN PetscErrorCode PetscSectionHasConstraints(PetscSection, PetscBool *); 384 PETSC_EXTERN PetscErrorCode PetscSectionGetConstraintDof(PetscSection, PetscInt, PetscInt*); 385 PETSC_EXTERN PetscErrorCode PetscSectionSetConstraintDof(PetscSection, PetscInt, PetscInt); 386 PETSC_EXTERN PetscErrorCode PetscSectionAddConstraintDof(PetscSection, PetscInt, PetscInt); 387 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt*); 388 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt); 389 PETSC_EXTERN PetscErrorCode PetscSectionAddFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt); 390 PETSC_EXTERN PetscErrorCode PetscSectionGetConstraintIndices(PetscSection, PetscInt, const PetscInt**); 391 PETSC_EXTERN PetscErrorCode PetscSectionSetConstraintIndices(PetscSection, PetscInt, const PetscInt*); 392 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldConstraintIndices(PetscSection, PetscInt, PetscInt, const PetscInt**); 393 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldConstraintIndices(PetscSection, PetscInt, PetscInt, const PetscInt*); 394 PETSC_EXTERN PetscErrorCode PetscSectionSetUpBC(PetscSection); 395 PETSC_EXTERN PetscErrorCode PetscSectionSetUp(PetscSection); 396 PETSC_EXTERN PetscErrorCode PetscSectionGetMaxDof(PetscSection, PetscInt*); 397 PETSC_EXTERN PetscErrorCode PetscSectionGetStorageSize(PetscSection, PetscInt*); 398 PETSC_EXTERN PetscErrorCode PetscSectionGetConstrainedStorageSize(PetscSection, PetscInt*); 399 PETSC_EXTERN PetscErrorCode PetscSectionGetOffset(PetscSection, PetscInt, PetscInt*); 400 PETSC_EXTERN PetscErrorCode PetscSectionSetOffset(PetscSection, PetscInt, PetscInt); 401 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldOffset(PetscSection, PetscInt, PetscInt, PetscInt*); 402 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldOffset(PetscSection, PetscInt, PetscInt, PetscInt); 403 PETSC_EXTERN PetscErrorCode PetscSectionGetOffsetRange(PetscSection, PetscInt *, PetscInt *); 404 PETSC_EXTERN PetscErrorCode PetscSectionView(PetscSection, PetscViewer); 405 PETSC_STATIC_INLINE PetscErrorCode PetscSectionViewFromOptions(PetscSection A,const char prefix[],const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,prefix,name);} 406 PETSC_EXTERN PetscErrorCode PetscSectionReset(PetscSection); 407 PETSC_EXTERN PetscErrorCode PetscSectionDestroy(PetscSection*); 408 PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSection(PetscSection, PetscSF, PetscBool, PetscSection *); 409 PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSectionCensored(PetscSection, PetscSF, PetscBool, PetscInt, const PetscInt [], PetscSection *); 410 PETSC_EXTERN PetscErrorCode PetscSectionCreateSubsection(PetscSection, PetscInt, PetscInt [], PetscSection *); 411 PETSC_EXTERN PetscErrorCode PetscSectionCreateSubmeshSection(PetscSection, IS, PetscSection *); 412 PETSC_EXTERN PetscErrorCode PetscSectionGetPointLayout(MPI_Comm, PetscSection, PetscLayout *); 413 PETSC_EXTERN PetscErrorCode PetscSectionGetValueLayout(MPI_Comm, PetscSection, PetscLayout *); 414 PETSC_EXTERN PetscErrorCode PetscSectionPermute(PetscSection, IS, PetscSection *); 415 PETSC_EXTERN PetscErrorCode PetscSectionGetField(PetscSection, PetscInt, PetscSection *); 416 417 PETSC_EXTERN PetscErrorCode PetscSectionSetClosureIndex(PetscSection, PetscObject, PetscSection, IS); 418 PETSC_EXTERN PetscErrorCode PetscSectionGetClosureIndex(PetscSection, PetscObject, PetscSection *, IS *); 419 420 /* PetscSF support */ 421 PETSC_EXTERN PetscErrorCode PetscSFConvertPartition(PetscSF, PetscSection, IS, ISLocalToGlobalMapping *, PetscSF *); 422 PETSC_EXTERN PetscErrorCode PetscSFCreateRemoteOffsets(PetscSF, PetscSection, PetscSection, PetscInt **); 423 PETSC_EXTERN PetscErrorCode PetscSFDistributeSection(PetscSF, PetscSection, PetscInt **, PetscSection); 424 PETSC_EXTERN PetscErrorCode PetscSFCreateSectionSF(PetscSF, PetscSection, PetscInt [], PetscSection, PetscSF *); 425 426 /* Reset __FUNCT__ in case the user does not define it themselves */ 427 #undef __FUNCT__ 428 #define __FUNCT__ "User provided function" 429 430 #endif 431