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: ISGlobalToLocalMappingApplyBlock() 139 140 E*/ 141 typedef enum {IS_GTOLM_MASK,IS_GTOLM_DROP} ISGlobalToLocalMappingType; 142 143 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreate(MPI_Comm,PetscInt,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 ISLocalToGlobalMappingApplyBlock(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]); 150 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApplyIS(ISLocalToGlobalMapping,IS,IS*); 151 PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApply(ISLocalToGlobalMapping,ISGlobalToLocalMappingType,PetscInt,const PetscInt[],PetscInt*,PetscInt[]); 152 PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApplyBlock(ISLocalToGlobalMapping,ISGlobalToLocalMappingType,PetscInt,const PetscInt[],PetscInt*,PetscInt[]); 153 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetSize(ISLocalToGlobalMapping,PetscInt*); 154 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 155 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 156 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 157 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreBlockInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 158 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetIndices(ISLocalToGlobalMapping,const PetscInt**); 159 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreIndices(ISLocalToGlobalMapping,const PetscInt**); 160 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockIndices(ISLocalToGlobalMapping,const PetscInt**); 161 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreBlockIndices(ISLocalToGlobalMapping,const PetscInt**); 162 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingConcatenate(MPI_Comm,PetscInt,const ISLocalToGlobalMapping[],ISLocalToGlobalMapping*); 163 PETSC_EXTERN PetscErrorCode ISG2LMapApply(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]); 164 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockSize(ISLocalToGlobalMapping,PetscInt*); 165 166 167 /* --------------------------------------------------------------------------*/ 168 /*E 169 ISColoringType - determines if the coloring is for the entire parallel grid/graph/matrix 170 or for just the local ghosted portion 171 172 Level: beginner 173 174 $ IS_COLORING_GLOBAL - does not include the colors for ghost points, this is used when the function 175 $ is called synchronously in parallel. This requires generating a "parallel coloring". 176 $ IS_COLORING_GHOSTED - includes colors for ghost points, this is used when the function can be called 177 $ seperately on individual processes with the ghost points already filled in. Does not 178 $ require a "parallel coloring", rather each process colors its local + ghost part. 179 $ Using this can result in much less parallel communication. In the paradigm of 180 $ DMGetLocalVector() and DMGetGlobalVector() this could be called IS_COLORING_LOCAL 181 182 .seealso: DMCreateColoring() 183 E*/ 184 typedef enum {IS_COLORING_GLOBAL,IS_COLORING_GHOSTED} ISColoringType; 185 PETSC_EXTERN const char *const ISColoringTypes[]; 186 typedef unsigned PETSC_IS_COLOR_VALUE_TYPE ISColoringValue; 187 PETSC_EXTERN PetscErrorCode ISAllGatherColors(MPI_Comm,PetscInt,ISColoringValue*,PetscInt*,ISColoringValue*[]); 188 189 /*S 190 ISColoring - sets of IS's that define a coloring 191 of the underlying indices 192 193 Level: intermediate 194 195 Notes: 196 One should not access the *is records below directly because they may not yet 197 have been created. One should use ISColoringGetIS() to make sure they are 198 created when needed. 199 200 Developer Note: this is not a PetscObject 201 202 .seealso: ISColoringCreate(), ISColoringGetIS(), ISColoringView(), ISColoringGetIS() 203 S*/ 204 struct _n_ISColoring { 205 PetscInt refct; 206 PetscInt n; /* number of colors */ 207 IS *is; /* for each color indicates columns */ 208 MPI_Comm comm; 209 ISColoringValue *colors; /* for each column indicates color */ 210 PetscInt N; /* number of columns */ 211 ISColoringType ctype; 212 }; 213 typedef struct _n_ISColoring* ISColoring; 214 215 PETSC_EXTERN PetscErrorCode ISColoringCreate(MPI_Comm,PetscInt,PetscInt,const ISColoringValue[],ISColoring*); 216 PETSC_EXTERN PetscErrorCode ISColoringDestroy(ISColoring*); 217 PETSC_EXTERN PetscErrorCode ISColoringView(ISColoring,PetscViewer); 218 PETSC_EXTERN PetscErrorCode ISColoringViewFromOptions(ISColoring,const char[],const char[]); 219 PETSC_EXTERN PetscErrorCode ISColoringGetIS(ISColoring,PetscInt*,IS*[]); 220 PETSC_EXTERN PetscErrorCode ISColoringRestoreIS(ISColoring,IS*[]); 221 PETSC_EXTERN PetscErrorCode ISColoringReference(ISColoring); 222 PETSC_EXTERN PetscErrorCode ISColoringSetType(ISColoring,ISColoringType); 223 224 225 /* --------------------------------------------------------------------------*/ 226 227 PETSC_EXTERN PetscErrorCode ISPartitioningToNumbering(IS,IS*); 228 PETSC_EXTERN PetscErrorCode ISPartitioningCount(IS,PetscInt,PetscInt[]); 229 230 PETSC_EXTERN PetscErrorCode ISCompressIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]); 231 PETSC_EXTERN PetscErrorCode ISCompressIndicesSorted(PetscInt,PetscInt,PetscInt,const IS[],IS[]); 232 PETSC_EXTERN PetscErrorCode ISExpandIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]); 233 234 /*S 235 PetscLayout - defines layout of vectors and matrices across processes (which rows are owned by which processes) 236 237 Level: developer 238 239 240 .seealso: PetscLayoutCreate(), PetscLayoutDestroy() 241 S*/ 242 typedef struct _n_PetscLayout* PetscLayout; 243 struct _n_PetscLayout{ 244 MPI_Comm comm; 245 PetscInt n,N; /* local, global vector size */ 246 PetscInt rstart,rend; /* local start, local end + 1 */ 247 PetscInt *range; /* the offset of each processor */ 248 PetscInt bs; /* number of elements in each block (generally for multi-component 249 * problems). Defaults to -1 and can be arbitrarily lazy so always use 250 * PetscAbs(map->bs) when accessing directly and expecting result to be 251 * positive. Do NOT multiply above numbers by bs */ 252 PetscInt refcnt; /* MPI Vecs obtained with VecDuplicate() and from MatCreateVecs() reuse map of input object */ 253 ISLocalToGlobalMapping mapping; /* mapping used in Vec/MatSetValuesLocal() */ 254 PetscInt *trstarts; /* local start for each thread */ 255 }; 256 257 PETSC_EXTERN PetscErrorCode PetscLayoutCreate(MPI_Comm,PetscLayout*); 258 PETSC_EXTERN PetscErrorCode PetscLayoutSetUp(PetscLayout); 259 PETSC_EXTERN PetscErrorCode PetscLayoutDestroy(PetscLayout*); 260 PETSC_EXTERN PetscErrorCode PetscLayoutDuplicate(PetscLayout,PetscLayout*); 261 PETSC_EXTERN PetscErrorCode PetscLayoutReference(PetscLayout,PetscLayout*); 262 PETSC_EXTERN PetscErrorCode PetscLayoutSetLocalSize(PetscLayout,PetscInt); 263 PETSC_EXTERN PetscErrorCode PetscLayoutGetLocalSize(PetscLayout,PetscInt *); 264 PETSC_EXTERN PetscErrorCode PetscLayoutSetSize(PetscLayout,PetscInt); 265 PETSC_EXTERN PetscErrorCode PetscLayoutGetSize(PetscLayout,PetscInt *); 266 PETSC_EXTERN PetscErrorCode PetscLayoutSetBlockSize(PetscLayout,PetscInt); 267 PETSC_EXTERN PetscErrorCode PetscLayoutGetBlockSize(PetscLayout,PetscInt*); 268 PETSC_EXTERN PetscErrorCode PetscLayoutGetRange(PetscLayout,PetscInt *,PetscInt *); 269 PETSC_EXTERN PetscErrorCode PetscLayoutGetRanges(PetscLayout,const PetscInt *[]); 270 PETSC_EXTERN PetscErrorCode PetscLayoutSetISLocalToGlobalMapping(PetscLayout,ISLocalToGlobalMapping); 271 PETSC_EXTERN PetscErrorCode PetscSFSetGraphLayout(PetscSF,PetscLayout,PetscInt,const PetscInt*,PetscCopyMode,const PetscInt*); 272 273 #undef __FUNCT__ 274 #define __FUNCT__ "PetscLayoutFindOwner" 275 /*@C 276 PetscLayoutFindOwner - Find the owning rank for a global index 277 278 Not Collective 279 280 Input Parameters: 281 + map - the layout 282 - idx - global index to find the owner of 283 284 Output Parameter: 285 . owner - the owning rank 286 287 Level: developer 288 289 Fortran Notes: 290 Not available from Fortran 291 292 @*/ 293 PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwner(PetscLayout map,PetscInt idx,PetscInt *owner) 294 { 295 PetscErrorCode ierr; 296 PetscMPIInt lo = 0,hi,t; 297 298 PetscFunctionBegin; 299 *owner = -1; /* GCC erroneously issues warning about possibly uninitialized use when error condition */ 300 if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first"); 301 if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx); 302 ierr = MPI_Comm_size(map->comm,&hi);CHKERRQ(ierr); 303 while (hi - lo > 1) { 304 t = lo + (hi - lo) / 2; 305 if (idx < map->range[t]) hi = t; 306 else lo = t; 307 } 308 *owner = lo; 309 PetscFunctionReturn(0); 310 } 311 312 #undef __FUNCT__ 313 #define __FUNCT__ "PetscLayoutFindOwnerIndex" 314 /*@C 315 PetscLayoutFindOwnerIndex - Find the owning rank and the local index for a global index 316 317 Not Collective 318 319 Input Parameters: 320 + map - the layout 321 - idx - global index to find the owner of 322 323 Output Parameter: 324 + owner - the owning rank 325 - lidx - local index used by the owner for idx 326 327 Level: developer 328 329 Fortran Notes: 330 Not available from Fortran 331 332 @*/ 333 PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwnerIndex(PetscLayout map,PetscInt idx,PetscInt *owner, PetscInt *lidx) 334 { 335 PetscErrorCode ierr; 336 PetscMPIInt lo = 0,hi,t; 337 338 PetscFunctionBegin; 339 if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first"); 340 if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx); 341 ierr = MPI_Comm_size(map->comm,&hi);CHKERRQ(ierr); 342 while (hi - lo > 1) { 343 t = lo + (hi - lo) / 2; 344 if (idx < map->range[t]) hi = t; 345 else lo = t; 346 } 347 *owner = lo; 348 *lidx = idx-map->range[lo]; 349 PetscFunctionReturn(0); 350 } 351 352 PETSC_EXTERN PetscClassId PETSC_SECTION_CLASSID; 353 354 /*S 355 PetscSection - Mapping from integers in a designated range to contiguous sets of integers. 356 357 In contrast to IS, which maps from integers to single integers, the range of a PetscSection is in the space of 358 contiguous sets of integers. These ranges are frequently interpreted as domains of other array-like objects, 359 especially other PetscSections, Vecs, and ISs. The domain is set with PetscSectionSetChart() and does not need to 360 start at 0. For each point in the domain of a PetscSection, the output set is represented through an offset and a 361 count, which are set using PetscSectionSetOffset() and PetscSectionSetDof() respectively. Lookup is typically using 362 accessors or routines like VecGetValuesSection(). 363 364 Level: developer 365 366 .seealso: PetscSectionCreate(), PetscSectionDestroy() 367 S*/ 368 typedef struct _p_PetscSection *PetscSection; 369 PETSC_EXTERN PetscErrorCode PetscSectionCreate(MPI_Comm,PetscSection*); 370 PETSC_EXTERN PetscErrorCode PetscSectionClone(PetscSection, PetscSection*); 371 PETSC_EXTERN PetscErrorCode PetscSectionCopy(PetscSection, PetscSection); 372 PETSC_EXTERN PetscErrorCode PetscSectionGetNumFields(PetscSection, PetscInt *); 373 PETSC_EXTERN PetscErrorCode PetscSectionSetNumFields(PetscSection, PetscInt); 374 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldName(PetscSection, PetscInt, const char *[]); 375 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldName(PetscSection, PetscInt, const char []); 376 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldComponents(PetscSection, PetscInt, PetscInt *); 377 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldComponents(PetscSection, PetscInt, PetscInt); 378 PETSC_EXTERN PetscErrorCode PetscSectionGetChart(PetscSection, PetscInt *, PetscInt *); 379 PETSC_EXTERN PetscErrorCode PetscSectionSetChart(PetscSection, PetscInt, PetscInt); 380 PETSC_EXTERN PetscErrorCode PetscSectionGetPermutation(PetscSection, IS *); 381 PETSC_EXTERN PetscErrorCode PetscSectionSetPermutation(PetscSection, IS); 382 PETSC_EXTERN PetscErrorCode PetscSectionGetDof(PetscSection, PetscInt, PetscInt*); 383 PETSC_EXTERN PetscErrorCode PetscSectionSetDof(PetscSection, PetscInt, PetscInt); 384 PETSC_EXTERN PetscErrorCode PetscSectionAddDof(PetscSection, PetscInt, PetscInt); 385 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldDof(PetscSection, PetscInt, PetscInt, PetscInt*); 386 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldDof(PetscSection, PetscInt, PetscInt, PetscInt); 387 PETSC_EXTERN PetscErrorCode PetscSectionAddFieldDof(PetscSection, PetscInt, PetscInt, PetscInt); 388 PETSC_EXTERN PetscErrorCode PetscSectionHasConstraints(PetscSection, PetscBool *); 389 PETSC_EXTERN PetscErrorCode PetscSectionGetConstraintDof(PetscSection, PetscInt, PetscInt*); 390 PETSC_EXTERN PetscErrorCode PetscSectionSetConstraintDof(PetscSection, PetscInt, PetscInt); 391 PETSC_EXTERN PetscErrorCode PetscSectionAddConstraintDof(PetscSection, PetscInt, PetscInt); 392 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt*); 393 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt); 394 PETSC_EXTERN PetscErrorCode PetscSectionAddFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt); 395 PETSC_EXTERN PetscErrorCode PetscSectionGetConstraintIndices(PetscSection, PetscInt, const PetscInt**); 396 PETSC_EXTERN PetscErrorCode PetscSectionSetConstraintIndices(PetscSection, PetscInt, const PetscInt*); 397 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldConstraintIndices(PetscSection, PetscInt, PetscInt, const PetscInt**); 398 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldConstraintIndices(PetscSection, PetscInt, PetscInt, const PetscInt*); 399 PETSC_EXTERN PetscErrorCode PetscSectionSetUpBC(PetscSection); 400 PETSC_EXTERN PetscErrorCode PetscSectionSetUp(PetscSection); 401 PETSC_EXTERN PetscErrorCode PetscSectionGetMaxDof(PetscSection, PetscInt*); 402 PETSC_EXTERN PetscErrorCode PetscSectionGetStorageSize(PetscSection, PetscInt*); 403 PETSC_EXTERN PetscErrorCode PetscSectionGetConstrainedStorageSize(PetscSection, PetscInt*); 404 PETSC_EXTERN PetscErrorCode PetscSectionGetOffset(PetscSection, PetscInt, PetscInt*); 405 PETSC_EXTERN PetscErrorCode PetscSectionSetOffset(PetscSection, PetscInt, PetscInt); 406 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldOffset(PetscSection, PetscInt, PetscInt, PetscInt*); 407 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldOffset(PetscSection, PetscInt, PetscInt, PetscInt); 408 PETSC_EXTERN PetscErrorCode PetscSectionGetOffsetRange(PetscSection, PetscInt *, PetscInt *); 409 PETSC_EXTERN PetscErrorCode PetscSectionView(PetscSection, PetscViewer); 410 PETSC_STATIC_INLINE PetscErrorCode PetscSectionViewFromOptions(PetscSection A,const char prefix[],const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,prefix,name);} 411 PETSC_EXTERN PetscErrorCode PetscSectionReset(PetscSection); 412 PETSC_EXTERN PetscErrorCode PetscSectionDestroy(PetscSection*); 413 PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSection(PetscSection, PetscSF, PetscBool, PetscSection *); 414 PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSectionCensored(PetscSection, PetscSF, PetscBool, PetscInt, const PetscInt [], PetscSection *); 415 PETSC_EXTERN PetscErrorCode PetscSectionCreateSubsection(PetscSection, PetscInt, PetscInt [], PetscSection *); 416 PETSC_EXTERN PetscErrorCode PetscSectionCreateSubmeshSection(PetscSection, IS, PetscSection *); 417 PETSC_EXTERN PetscErrorCode PetscSectionGetPointLayout(MPI_Comm, PetscSection, PetscLayout *); 418 PETSC_EXTERN PetscErrorCode PetscSectionGetValueLayout(MPI_Comm, PetscSection, PetscLayout *); 419 PETSC_EXTERN PetscErrorCode PetscSectionPermute(PetscSection, IS, PetscSection *); 420 PETSC_EXTERN PetscErrorCode PetscSectionGetField(PetscSection, PetscInt, PetscSection *); 421 422 PETSC_EXTERN PetscErrorCode PetscSectionSetClosureIndex(PetscSection, PetscObject, PetscSection, IS); 423 PETSC_EXTERN PetscErrorCode PetscSectionGetClosureIndex(PetscSection, PetscObject, PetscSection *, IS *); 424 425 /* PetscSF support */ 426 PETSC_EXTERN PetscErrorCode PetscSFConvertPartition(PetscSF, PetscSection, IS, ISLocalToGlobalMapping *, PetscSF *); 427 PETSC_EXTERN PetscErrorCode PetscSFCreateRemoteOffsets(PetscSF, PetscSection, PetscSection, PetscInt **); 428 PETSC_EXTERN PetscErrorCode PetscSFDistributeSection(PetscSF, PetscSection, PetscInt **, PetscSection); 429 PETSC_EXTERN PetscErrorCode PetscSFCreateSectionSF(PetscSF, PetscSection, PetscInt [], PetscSection, PetscSF *); 430 431 /* Reset __FUNCT__ in case the user does not define it themselves */ 432 #undef __FUNCT__ 433 #define __FUNCT__ "User provided function" 434 435 #endif 436