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