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