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 #include <petscistypes.h> 10 11 #define IS_FILE_CLASSID 1211218 12 PETSC_EXTERN PetscClassId IS_CLASSID; 13 14 PETSC_EXTERN PetscErrorCode ISInitializePackage(void); 15 16 /*J 17 ISType - String with the name of a PETSc index set type 18 19 Level: beginner 20 21 .seealso: ISSetType(), IS, ISCreate(), ISRegister() 22 J*/ 23 typedef const char* ISType; 24 #define ISGENERAL "general" 25 #define ISSTRIDE "stride" 26 #define ISBLOCK "block" 27 28 /* Dynamic creation and loading functions */ 29 PETSC_EXTERN PetscFunctionList ISList; 30 PETSC_EXTERN PetscErrorCode ISSetType(IS, ISType); 31 PETSC_EXTERN PetscErrorCode ISGetType(IS, ISType *); 32 PETSC_EXTERN PetscErrorCode ISRegister(const char[],PetscErrorCode (*)(IS)); 33 PETSC_EXTERN PetscErrorCode ISCreate(MPI_Comm,IS*); 34 35 /* 36 Default index set data structures that PETSc provides. 37 */ 38 PETSC_EXTERN PetscErrorCode ISCreateGeneral(MPI_Comm,PetscInt,const PetscInt[],PetscCopyMode,IS *); 39 PETSC_EXTERN PetscErrorCode ISGeneralSetIndices(IS,PetscInt,const PetscInt[],PetscCopyMode); 40 PETSC_EXTERN PetscErrorCode ISCreateBlock(MPI_Comm,PetscInt,PetscInt,const PetscInt[],PetscCopyMode,IS *); 41 PETSC_EXTERN PetscErrorCode ISBlockSetIndices(IS,PetscInt,PetscInt,const PetscInt[],PetscCopyMode); 42 PETSC_EXTERN PetscErrorCode ISCreateStride(MPI_Comm,PetscInt,PetscInt,PetscInt,IS *); 43 PETSC_EXTERN PetscErrorCode ISStrideSetStride(IS,PetscInt,PetscInt,PetscInt); 44 45 PETSC_EXTERN PetscErrorCode ISDestroy(IS*); 46 PETSC_EXTERN PetscErrorCode ISSetPermutation(IS); 47 PETSC_EXTERN PetscErrorCode ISPermutation(IS,PetscBool *); 48 PETSC_EXTERN PetscErrorCode ISSetIdentity(IS); 49 PETSC_EXTERN PetscErrorCode ISIdentity(IS,PetscBool *); 50 PETSC_EXTERN PetscErrorCode ISContiguousLocal(IS,PetscInt,PetscInt,PetscInt*,PetscBool*); 51 52 PETSC_EXTERN PetscErrorCode ISGetIndices(IS,const PetscInt *[]); 53 PETSC_EXTERN PetscErrorCode ISRestoreIndices(IS,const PetscInt *[]); 54 PETSC_EXTERN PetscErrorCode ISGetTotalIndices(IS,const PetscInt *[]); 55 PETSC_EXTERN PetscErrorCode ISRestoreTotalIndices(IS,const PetscInt *[]); 56 PETSC_EXTERN PetscErrorCode ISGetNonlocalIndices(IS,const PetscInt *[]); 57 PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIndices(IS,const PetscInt *[]); 58 PETSC_EXTERN PetscErrorCode ISGetNonlocalIS(IS, IS *is); 59 PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIS(IS, IS *is); 60 PETSC_EXTERN PetscErrorCode ISGetSize(IS,PetscInt *); 61 PETSC_EXTERN PetscErrorCode ISGetLocalSize(IS,PetscInt *); 62 PETSC_EXTERN PetscErrorCode ISInvertPermutation(IS,PetscInt,IS*); 63 PETSC_EXTERN PetscErrorCode ISView(IS,PetscViewer); 64 PETSC_STATIC_INLINE PetscErrorCode ISViewFromOptions(IS A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);} 65 PETSC_EXTERN PetscErrorCode ISLoad(IS,PetscViewer); 66 PETSC_EXTERN PetscErrorCode ISEqual(IS,IS,PetscBool *); 67 PETSC_EXTERN PetscErrorCode ISSort(IS); 68 PETSC_EXTERN PetscErrorCode ISSortRemoveDups(IS); 69 PETSC_EXTERN PetscErrorCode ISSorted(IS,PetscBool *); 70 PETSC_EXTERN PetscErrorCode ISDifference(IS,IS,IS*); 71 PETSC_EXTERN PetscErrorCode ISSum(IS,IS,IS*); 72 PETSC_EXTERN PetscErrorCode ISExpand(IS,IS,IS*); 73 PETSC_EXTERN PetscErrorCode ISGetMinMax(IS,PetscInt*,PetscInt*); 74 75 PETSC_EXTERN PetscErrorCode ISBlockGetIndices(IS,const PetscInt *[]); 76 PETSC_EXTERN PetscErrorCode ISBlockRestoreIndices(IS,const PetscInt *[]); 77 PETSC_EXTERN PetscErrorCode ISBlockGetLocalSize(IS,PetscInt *); 78 PETSC_EXTERN PetscErrorCode ISBlockGetSize(IS,PetscInt *); 79 PETSC_EXTERN PetscErrorCode ISGetBlockSize(IS,PetscInt*); 80 PETSC_EXTERN PetscErrorCode ISSetBlockSize(IS,PetscInt); 81 82 PETSC_EXTERN PetscErrorCode ISStrideGetInfo(IS,PetscInt *,PetscInt*); 83 84 PETSC_EXTERN PetscErrorCode ISToGeneral(IS); 85 86 PETSC_EXTERN PetscErrorCode ISDuplicate(IS,IS*); 87 PETSC_EXTERN PetscErrorCode ISCopy(IS,IS); 88 PETSC_EXTERN PetscErrorCode ISAllGather(IS,IS*); 89 PETSC_EXTERN PetscErrorCode ISComplement(IS,PetscInt,PetscInt,IS*); 90 PETSC_EXTERN PetscErrorCode ISConcatenate(MPI_Comm,PetscInt,const IS[],IS*); 91 PETSC_EXTERN PetscErrorCode ISListToPair(MPI_Comm,PetscInt, IS[],IS*,IS*); 92 PETSC_EXTERN PetscErrorCode ISPairToList(IS,IS,PetscInt*, IS *[]); 93 PETSC_EXTERN PetscErrorCode ISEmbed(IS,IS,PetscBool,IS*); 94 PETSC_EXTERN PetscErrorCode ISSortPermutation(IS,PetscBool,IS*); 95 PETSC_EXTERN PetscErrorCode ISOnComm(IS,MPI_Comm,PetscCopyMode,IS*); 96 97 /* --------------------------------------------------------------------------*/ 98 PETSC_EXTERN PetscClassId IS_LTOGM_CLASSID; 99 100 /*E 101 ISGlobalToLocalMappingType - Indicates if missing global indices are 102 103 IS_GTOLM_MASK - missing global indices are replaced with -1 104 IS_GTOLM_DROP - missing global indices are dropped 105 106 Level: beginner 107 108 .seealso: ISGlobalToLocalMappingApplyBlock() 109 110 E*/ 111 typedef enum {IS_GTOLM_MASK,IS_GTOLM_DROP} ISGlobalToLocalMappingType; 112 113 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreate(MPI_Comm,PetscInt,PetscInt,const PetscInt[],PetscCopyMode,ISLocalToGlobalMapping*); 114 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreateIS(IS,ISLocalToGlobalMapping *); 115 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreateSF(PetscSF,PetscInt,ISLocalToGlobalMapping*); 116 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingView(ISLocalToGlobalMapping,PetscViewer); 117 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingDestroy(ISLocalToGlobalMapping*); 118 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApply(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]); 119 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApplyBlock(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]); 120 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApplyIS(ISLocalToGlobalMapping,IS,IS*); 121 PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApply(ISLocalToGlobalMapping,ISGlobalToLocalMappingType,PetscInt,const PetscInt[],PetscInt*,PetscInt[]); 122 PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApplyBlock(ISLocalToGlobalMapping,ISGlobalToLocalMappingType,PetscInt,const PetscInt[],PetscInt*,PetscInt[]); 123 PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApplyIS(ISLocalToGlobalMapping,ISGlobalToLocalMappingType,IS,IS*); 124 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetSize(ISLocalToGlobalMapping,PetscInt*); 125 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 126 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 127 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 128 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreBlockInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 129 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetIndices(ISLocalToGlobalMapping,const PetscInt**); 130 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreIndices(ISLocalToGlobalMapping,const PetscInt**); 131 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockIndices(ISLocalToGlobalMapping,const PetscInt**); 132 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreBlockIndices(ISLocalToGlobalMapping,const PetscInt**); 133 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingConcatenate(MPI_Comm,PetscInt,const ISLocalToGlobalMapping[],ISLocalToGlobalMapping*); 134 PETSC_EXTERN PetscErrorCode ISG2LMapApply(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]); 135 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockSize(ISLocalToGlobalMapping,PetscInt*); 136 137 138 /* --------------------------------------------------------------------------*/ 139 /*E 140 ISColoringType - determines if the coloring is for the entire parallel grid/graph/matrix 141 or for just the local ghosted portion 142 143 Level: beginner 144 145 $ IS_COLORING_GLOBAL - does not include the colors for ghost points, this is used when the function 146 $ is called synchronously in parallel. This requires generating a "parallel coloring". 147 $ IS_COLORING_GHOSTED - includes colors for ghost points, this is used when the function can be called 148 $ separately on individual processes with the ghost points already filled in. Does not 149 $ require a "parallel coloring", rather each process colors its local + ghost part. 150 $ Using this can result in much less parallel communication. In the paradigm of 151 $ DMGetLocalVector() and DMGetGlobalVector() this could be called IS_COLORING_LOCAL 152 153 .seealso: DMCreateColoring() 154 E*/ 155 typedef enum {IS_COLORING_GLOBAL,IS_COLORING_GHOSTED} ISColoringType; 156 PETSC_EXTERN const char *const ISColoringTypes[]; 157 typedef unsigned PETSC_IS_COLOR_VALUE_TYPE ISColoringValue; 158 PETSC_EXTERN PetscErrorCode ISAllGatherColors(MPI_Comm,PetscInt,ISColoringValue*,PetscInt*,ISColoringValue*[]); 159 160 PETSC_EXTERN PetscErrorCode ISColoringCreate(MPI_Comm,PetscInt,PetscInt,const ISColoringValue[],PetscCopyMode,ISColoring*); 161 PETSC_EXTERN PetscErrorCode ISColoringDestroy(ISColoring*); 162 PETSC_EXTERN PetscErrorCode ISColoringView(ISColoring,PetscViewer); 163 PETSC_EXTERN PetscErrorCode ISColoringViewFromOptions(ISColoring,PetscObject,const char[]); 164 PETSC_EXTERN PetscErrorCode ISColoringGetIS(ISColoring,PetscInt*,IS*[]); 165 PETSC_EXTERN PetscErrorCode ISColoringRestoreIS(ISColoring,IS*[]); 166 PETSC_EXTERN PetscErrorCode ISColoringReference(ISColoring); 167 PETSC_EXTERN PetscErrorCode ISColoringSetType(ISColoring,ISColoringType); 168 169 170 /* --------------------------------------------------------------------------*/ 171 PETSC_EXTERN PetscErrorCode ISBuildTwoSided(IS,IS,IS*); 172 PETSC_EXTERN PetscErrorCode ISPartitioningToNumbering(IS,IS*); 173 PETSC_EXTERN PetscErrorCode ISPartitioningCount(IS,PetscInt,PetscInt[]); 174 175 PETSC_EXTERN PetscErrorCode ISCompressIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]); 176 PETSC_EXTERN PetscErrorCode ISCompressIndicesSorted(PetscInt,PetscInt,PetscInt,const IS[],IS[]); 177 PETSC_EXTERN PetscErrorCode ISExpandIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]); 178 179 180 struct _n_PetscLayout{ 181 MPI_Comm comm; 182 PetscInt n,N; /* local, global vector size */ 183 PetscInt rstart,rend; /* local start, local end + 1 */ 184 PetscInt *range; /* the offset of each processor */ 185 PetscInt bs; /* number of elements in each block (generally for multi-component 186 * problems). Defaults to -1 and can be arbitrarily lazy so always use 187 * PetscAbs(map->bs) when accessing directly and expecting result to be 188 * positive. Do NOT multiply above numbers by bs */ 189 PetscInt refcnt; /* MPI Vecs obtained with VecDuplicate() and from MatCreateVecs() reuse map of input object */ 190 ISLocalToGlobalMapping mapping; /* mapping used in Vec/MatSetValuesLocal() */ 191 }; 192 193 #undef __FUNCT__ 194 #define __FUNCT__ "PetscLayoutFindOwner" 195 /*@C 196 PetscLayoutFindOwner - Find the owning rank for a global index 197 198 Not Collective 199 200 Input Parameters: 201 + map - the layout 202 - idx - global index to find the owner of 203 204 Output Parameter: 205 . owner - the owning rank 206 207 Level: developer 208 209 Fortran Notes: 210 Not available from Fortran 211 212 @*/ 213 PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwner(PetscLayout map,PetscInt idx,PetscInt *owner) 214 { 215 PetscErrorCode ierr; 216 PetscMPIInt lo = 0,hi,t; 217 218 PetscFunctionBegin; 219 *owner = -1; /* GCC erroneously issues warning about possibly uninitialized use when error condition */ 220 if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first"); 221 if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx); 222 ierr = MPI_Comm_size(map->comm,&hi);CHKERRQ(ierr); 223 while (hi - lo > 1) { 224 t = lo + (hi - lo) / 2; 225 if (idx < map->range[t]) hi = t; 226 else lo = t; 227 } 228 *owner = lo; 229 PetscFunctionReturn(0); 230 } 231 232 #undef __FUNCT__ 233 #define __FUNCT__ "PetscLayoutFindOwnerIndex" 234 /*@C 235 PetscLayoutFindOwnerIndex - Find the owning rank and the local index for a global index 236 237 Not Collective 238 239 Input Parameters: 240 + map - the layout 241 - idx - global index to find the owner of 242 243 Output Parameter: 244 + owner - the owning rank 245 - lidx - local index used by the owner for idx 246 247 Level: developer 248 249 Fortran Notes: 250 Not available from Fortran 251 252 @*/ 253 PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwnerIndex(PetscLayout map,PetscInt idx,PetscInt *owner, PetscInt *lidx) 254 { 255 PetscErrorCode ierr; 256 PetscMPIInt lo = 0,hi,t; 257 258 PetscFunctionBegin; 259 if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first"); 260 if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx); 261 ierr = MPI_Comm_size(map->comm,&hi);CHKERRQ(ierr); 262 while (hi - lo > 1) { 263 t = lo + (hi - lo) / 2; 264 if (idx < map->range[t]) hi = t; 265 else lo = t; 266 } 267 if (owner) *owner = lo; 268 if (lidx) *lidx = idx-map->range[lo]; 269 PetscFunctionReturn(0); 270 } 271 272 PETSC_EXTERN PetscErrorCode PetscLayoutCreate(MPI_Comm,PetscLayout*); 273 PETSC_EXTERN PetscErrorCode PetscLayoutSetUp(PetscLayout); 274 PETSC_EXTERN PetscErrorCode PetscLayoutDestroy(PetscLayout*); 275 PETSC_EXTERN PetscErrorCode PetscLayoutDuplicate(PetscLayout,PetscLayout*); 276 PETSC_EXTERN PetscErrorCode PetscLayoutReference(PetscLayout,PetscLayout*); 277 PETSC_EXTERN PetscErrorCode PetscLayoutSetLocalSize(PetscLayout,PetscInt); 278 PETSC_EXTERN PetscErrorCode PetscLayoutGetLocalSize(PetscLayout,PetscInt *); 279 PETSC_EXTERN PetscErrorCode PetscLayoutSetSize(PetscLayout,PetscInt); 280 PETSC_EXTERN PetscErrorCode PetscLayoutGetSize(PetscLayout,PetscInt *); 281 PETSC_EXTERN PetscErrorCode PetscLayoutSetBlockSize(PetscLayout,PetscInt); 282 PETSC_EXTERN PetscErrorCode PetscLayoutGetBlockSize(PetscLayout,PetscInt*); 283 PETSC_EXTERN PetscErrorCode PetscLayoutGetRange(PetscLayout,PetscInt *,PetscInt *); 284 PETSC_EXTERN PetscErrorCode PetscLayoutGetRanges(PetscLayout,const PetscInt *[]); 285 PETSC_EXTERN PetscErrorCode PetscLayoutSetISLocalToGlobalMapping(PetscLayout,ISLocalToGlobalMapping); 286 PETSC_EXTERN PetscErrorCode PetscSFSetGraphLayout(PetscSF,PetscLayout,PetscInt,const PetscInt*,PetscCopyMode,const PetscInt*); 287 288 PETSC_EXTERN PetscClassId PETSC_SECTION_CLASSID; 289 290 PETSC_EXTERN PetscErrorCode PetscSectionCreate(MPI_Comm,PetscSection*); 291 PETSC_EXTERN PetscErrorCode PetscSectionClone(PetscSection, PetscSection*); 292 PETSC_EXTERN PetscErrorCode PetscSectionCopy(PetscSection, PetscSection); 293 PETSC_EXTERN PetscErrorCode PetscSectionGetNumFields(PetscSection, PetscInt *); 294 PETSC_EXTERN PetscErrorCode PetscSectionSetNumFields(PetscSection, PetscInt); 295 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldName(PetscSection, PetscInt, const char *[]); 296 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldName(PetscSection, PetscInt, const char []); 297 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldComponents(PetscSection, PetscInt, PetscInt *); 298 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldComponents(PetscSection, PetscInt, PetscInt); 299 PETSC_EXTERN PetscErrorCode PetscSectionGetChart(PetscSection, PetscInt *, PetscInt *); 300 PETSC_EXTERN PetscErrorCode PetscSectionSetChart(PetscSection, PetscInt, PetscInt); 301 PETSC_EXTERN PetscErrorCode PetscSectionGetPermutation(PetscSection, IS *); 302 PETSC_EXTERN PetscErrorCode PetscSectionSetPermutation(PetscSection, IS); 303 PETSC_EXTERN PetscErrorCode PetscSectionGetDof(PetscSection, PetscInt, PetscInt*); 304 PETSC_EXTERN PetscErrorCode PetscSectionSetDof(PetscSection, PetscInt, PetscInt); 305 PETSC_EXTERN PetscErrorCode PetscSectionAddDof(PetscSection, PetscInt, PetscInt); 306 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldDof(PetscSection, PetscInt, PetscInt, PetscInt*); 307 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldDof(PetscSection, PetscInt, PetscInt, PetscInt); 308 PETSC_EXTERN PetscErrorCode PetscSectionAddFieldDof(PetscSection, PetscInt, PetscInt, PetscInt); 309 PETSC_EXTERN PetscErrorCode PetscSectionHasConstraints(PetscSection, PetscBool *); 310 PETSC_EXTERN PetscErrorCode PetscSectionGetConstraintDof(PetscSection, PetscInt, PetscInt*); 311 PETSC_EXTERN PetscErrorCode PetscSectionSetConstraintDof(PetscSection, PetscInt, PetscInt); 312 PETSC_EXTERN PetscErrorCode PetscSectionAddConstraintDof(PetscSection, PetscInt, PetscInt); 313 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt*); 314 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt); 315 PETSC_EXTERN PetscErrorCode PetscSectionAddFieldConstraintDof(PetscSection, PetscInt, PetscInt, PetscInt); 316 PETSC_EXTERN PetscErrorCode PetscSectionGetConstraintIndices(PetscSection, PetscInt, const PetscInt**); 317 PETSC_EXTERN PetscErrorCode PetscSectionSetConstraintIndices(PetscSection, PetscInt, const PetscInt*); 318 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldConstraintIndices(PetscSection, PetscInt, PetscInt, const PetscInt**); 319 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldConstraintIndices(PetscSection, PetscInt, PetscInt, const PetscInt*); 320 PETSC_EXTERN PetscErrorCode PetscSectionSetUpBC(PetscSection); 321 PETSC_EXTERN PetscErrorCode PetscSectionSetUp(PetscSection); 322 PETSC_EXTERN PetscErrorCode PetscSectionGetMaxDof(PetscSection, PetscInt*); 323 PETSC_EXTERN PetscErrorCode PetscSectionGetStorageSize(PetscSection, PetscInt*); 324 PETSC_EXTERN PetscErrorCode PetscSectionGetConstrainedStorageSize(PetscSection, PetscInt*); 325 PETSC_EXTERN PetscErrorCode PetscSectionGetOffset(PetscSection, PetscInt, PetscInt*); 326 PETSC_EXTERN PetscErrorCode PetscSectionSetOffset(PetscSection, PetscInt, PetscInt); 327 PETSC_EXTERN PetscErrorCode PetscSectionGetFieldOffset(PetscSection, PetscInt, PetscInt, PetscInt*); 328 PETSC_EXTERN PetscErrorCode PetscSectionSetFieldOffset(PetscSection, PetscInt, PetscInt, PetscInt); 329 PETSC_EXTERN PetscErrorCode PetscSectionGetOffsetRange(PetscSection, PetscInt *, PetscInt *); 330 PETSC_EXTERN PetscErrorCode PetscSectionView(PetscSection, PetscViewer); 331 PETSC_STATIC_INLINE PetscErrorCode PetscSectionViewFromOptions(PetscSection A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);} 332 PETSC_EXTERN PetscErrorCode PetscSectionReset(PetscSection); 333 PETSC_EXTERN PetscErrorCode PetscSectionDestroy(PetscSection*); 334 PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSection(PetscSection, PetscSF, PetscBool, PetscBool, PetscSection *); 335 PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSectionCensored(PetscSection, PetscSF, PetscBool, PetscInt, const PetscInt [], PetscSection *); 336 PETSC_EXTERN PetscErrorCode PetscSectionCreateSubsection(PetscSection, PetscInt, PetscInt [], PetscSection *); 337 PETSC_EXTERN PetscErrorCode PetscSectionCreateSubmeshSection(PetscSection, IS, PetscSection *); 338 PETSC_EXTERN PetscErrorCode PetscSectionGetPointLayout(MPI_Comm, PetscSection, PetscLayout *); 339 PETSC_EXTERN PetscErrorCode PetscSectionGetValueLayout(MPI_Comm, PetscSection, PetscLayout *); 340 PETSC_EXTERN PetscErrorCode PetscSectionPermute(PetscSection, IS, PetscSection *); 341 PETSC_EXTERN PetscErrorCode PetscSectionGetField(PetscSection, PetscInt, PetscSection *); 342 343 PETSC_EXTERN PetscErrorCode PetscSectionSetClosureIndex(PetscSection, PetscObject, PetscSection, IS); 344 PETSC_EXTERN PetscErrorCode PetscSectionGetClosureIndex(PetscSection, PetscObject, PetscSection *, IS *); 345 346 /* PetscSF support */ 347 PETSC_EXTERN PetscErrorCode PetscSFConvertPartition(PetscSF, PetscSection, IS, ISLocalToGlobalMapping *, PetscSF *); 348 PETSC_EXTERN PetscErrorCode PetscSFCreateRemoteOffsets(PetscSF, PetscSection, PetscSection, PetscInt **); 349 PETSC_EXTERN PetscErrorCode PetscSFDistributeSection(PetscSF, PetscSection, PetscInt **, PetscSection); 350 PETSC_EXTERN PetscErrorCode PetscSFCreateSectionSF(PetscSF, PetscSection, PetscInt [], PetscSection, PetscSF *); 351 352 353 354 /* Reset __FUNCT__ in case the user does not define it themselves */ 355 #undef __FUNCT__ 356 #define __FUNCT__ "User provided function" 357 358 #endif 359