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 <petscsectiontypes.h> 10 #include <petscistypes.h> /*I "petscis.h" I*/ 11 12 #define IS_FILE_CLASSID 1211218 13 PETSC_EXTERN PetscClassId IS_CLASSID; 14 15 PETSC_EXTERN PetscErrorCode ISInitializePackage(void); 16 17 /*J 18 ISType - String with the name of a PETSc index set type 19 20 Level: beginner 21 22 .seealso: ISSetType(), IS, ISCreate(), ISRegister() 23 J*/ 24 typedef const char* ISType; 25 #define ISGENERAL "general" 26 #define ISSTRIDE "stride" 27 #define ISBLOCK "block" 28 29 /* Dynamic creation and loading functions */ 30 PETSC_EXTERN PetscFunctionList ISList; 31 PETSC_EXTERN PetscErrorCode ISSetType(IS, ISType); 32 PETSC_EXTERN PetscErrorCode ISGetType(IS, ISType *); 33 PETSC_EXTERN PetscErrorCode ISRegister(const char[],PetscErrorCode (*)(IS)); 34 PETSC_EXTERN PetscErrorCode ISCreate(MPI_Comm,IS*); 35 36 PETSC_EXTERN PetscErrorCode ISDestroy(IS*); 37 PETSC_EXTERN PetscErrorCode ISSetPermutation(IS); 38 PETSC_EXTERN PetscErrorCode ISPermutation(IS,PetscBool *); 39 PETSC_EXTERN PetscErrorCode ISSetIdentity(IS); 40 PETSC_EXTERN PetscErrorCode ISIdentity(IS,PetscBool *); 41 PETSC_EXTERN PetscErrorCode ISContiguousLocal(IS,PetscInt,PetscInt,PetscInt*,PetscBool*); 42 43 /*E 44 ISInfo - Info that may either be computed or set as known for an index set 45 46 Level: beginner 47 48 Any additions/changes here MUST also be made in include/petsc/finclude/petscis.h 49 Any additions/changes here must also be made in src/vec/vec/interface/dlregisvec.c in ISInfos[] 50 51 Developer Notes: 52 Entries that are negative need not be called collectively by all processes. 53 54 .seealso: ISSetInfo() 55 E*/ 56 typedef enum {IS_INFO_MIN = -1, 57 IS_SORTED = 0, 58 IS_UNIQUE = 1, 59 IS_PERMUTATION = 2, 60 IS_INTERVAL = 3, 61 IS_IDENTITY = 4, 62 IS_INFO_MAX = 5} ISInfo; 63 64 typedef enum {IS_LOCAL, IS_GLOBAL} ISInfoType; 65 66 PETSC_EXTERN PetscErrorCode ISSetInfo(IS,ISInfo,ISInfoType,PetscBool,PetscBool); 67 PETSC_EXTERN PetscErrorCode ISGetInfo(IS,ISInfo,ISInfoType,PetscBool,PetscBool*); 68 PETSC_EXTERN PetscErrorCode ISClearInfoCache(IS,PetscBool); 69 PETSC_EXTERN PetscErrorCode ISGetIndices(IS,const PetscInt *[]); 70 PETSC_EXTERN PetscErrorCode ISRestoreIndices(IS,const PetscInt *[]); 71 PETSC_EXTERN PetscErrorCode ISGetTotalIndices(IS,const PetscInt *[]); 72 PETSC_EXTERN PetscErrorCode ISRestoreTotalIndices(IS,const PetscInt *[]); 73 PETSC_EXTERN PetscErrorCode ISGetNonlocalIndices(IS,const PetscInt *[]); 74 PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIndices(IS,const PetscInt *[]); 75 PETSC_EXTERN PetscErrorCode ISGetNonlocalIS(IS, IS *is); 76 PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIS(IS, IS *is); 77 PETSC_EXTERN PetscErrorCode ISGetSize(IS,PetscInt *); 78 PETSC_EXTERN PetscErrorCode ISGetLocalSize(IS,PetscInt *); 79 PETSC_EXTERN PetscErrorCode ISInvertPermutation(IS,PetscInt,IS*); 80 PETSC_EXTERN PetscErrorCode ISView(IS,PetscViewer); 81 PETSC_EXTERN PetscErrorCode ISViewFromOptions(IS,PetscObject,const char[]); 82 PETSC_EXTERN PetscErrorCode ISLoad(IS,PetscViewer); 83 PETSC_EXTERN PetscErrorCode ISEqual(IS,IS,PetscBool *); 84 PETSC_EXTERN PetscErrorCode ISEqualUnsorted(IS,IS,PetscBool *); 85 PETSC_EXTERN PetscErrorCode ISSort(IS); 86 PETSC_EXTERN PetscErrorCode ISSortRemoveDups(IS); 87 PETSC_EXTERN PetscErrorCode ISSorted(IS,PetscBool *); 88 PETSC_EXTERN PetscErrorCode ISDifference(IS,IS,IS*); 89 PETSC_EXTERN PetscErrorCode ISSum(IS,IS,IS*); 90 PETSC_EXTERN PetscErrorCode ISExpand(IS,IS,IS*); 91 PETSC_EXTERN PetscErrorCode ISIntersect(IS,IS,IS*); 92 PETSC_EXTERN PetscErrorCode ISGetMinMax(IS,PetscInt*,PetscInt*); 93 94 PETSC_EXTERN PetscErrorCode ISLocate(IS,PetscInt,PetscInt*); 95 PETSC_EXTERN PetscErrorCode ISGetPointRange(IS,PetscInt*,PetscInt*,const PetscInt**); 96 PETSC_EXTERN PetscErrorCode ISRestorePointRange(IS,PetscInt*,PetscInt*,const PetscInt**); 97 PETSC_EXTERN PetscErrorCode ISGetPointSubrange(IS,PetscInt,PetscInt,const PetscInt*); 98 99 PETSC_EXTERN PetscErrorCode ISGetBlockSize(IS,PetscInt*); 100 PETSC_EXTERN PetscErrorCode ISSetBlockSize(IS,PetscInt); 101 102 PETSC_EXTERN PetscErrorCode ISToGeneral(IS); 103 104 PETSC_EXTERN PetscErrorCode ISDuplicate(IS,IS*); 105 PETSC_EXTERN PetscErrorCode ISCopy(IS,IS); 106 PETSC_EXTERN PetscErrorCode ISAllGather(IS,IS*); 107 PETSC_EXTERN PetscErrorCode ISComplement(IS,PetscInt,PetscInt,IS*); 108 PETSC_EXTERN PetscErrorCode ISConcatenate(MPI_Comm,PetscInt,const IS[],IS*); 109 PETSC_EXTERN PetscErrorCode ISListToPair(MPI_Comm,PetscInt, IS[],IS*,IS*); 110 PETSC_EXTERN PetscErrorCode ISPairToList(IS,IS,PetscInt*, IS *[]); 111 PETSC_EXTERN PetscErrorCode ISEmbed(IS,IS,PetscBool,IS*); 112 PETSC_EXTERN PetscErrorCode ISSortPermutation(IS,PetscBool,IS*); 113 PETSC_EXTERN PetscErrorCode ISOnComm(IS,MPI_Comm,PetscCopyMode,IS*); 114 PETSC_EXTERN PetscErrorCode ISRenumber(IS,IS,PetscInt*,IS*); 115 PETSC_EXTERN PetscErrorCode ISCreateSubIS(IS,IS,IS*); 116 117 /* ISGENERAL specific */ 118 PETSC_EXTERN PetscErrorCode ISCreateGeneral(MPI_Comm,PetscInt,const PetscInt[],PetscCopyMode,IS *); 119 PETSC_EXTERN PetscErrorCode ISGeneralSetIndices(IS,PetscInt,const PetscInt[],PetscCopyMode); 120 PETSC_EXTERN PetscErrorCode ISGeneralFilter(IS,PetscInt,PetscInt); 121 122 /* ISBLOCK specific */ 123 PETSC_EXTERN PetscErrorCode ISCreateBlock(MPI_Comm,PetscInt,PetscInt,const PetscInt[],PetscCopyMode,IS *); 124 PETSC_EXTERN PetscErrorCode ISBlockSetIndices(IS,PetscInt,PetscInt,const PetscInt[],PetscCopyMode); 125 PETSC_EXTERN PetscErrorCode ISBlockGetIndices(IS,const PetscInt *[]); 126 PETSC_EXTERN PetscErrorCode ISBlockRestoreIndices(IS,const PetscInt *[]); 127 PETSC_EXTERN PetscErrorCode ISBlockGetLocalSize(IS,PetscInt *); 128 PETSC_EXTERN PetscErrorCode ISBlockGetSize(IS,PetscInt *); 129 130 /* ISSTRIDE specific */ 131 PETSC_EXTERN PetscErrorCode ISCreateStride(MPI_Comm,PetscInt,PetscInt,PetscInt,IS *); 132 PETSC_EXTERN PetscErrorCode ISStrideSetStride(IS,PetscInt,PetscInt,PetscInt); 133 PETSC_EXTERN PetscErrorCode ISStrideGetInfo(IS,PetscInt *,PetscInt*); 134 135 /* --------------------------------------------------------------------------*/ 136 PETSC_EXTERN PetscClassId IS_LTOGM_CLASSID; 137 138 /*E 139 ISGlobalToLocalMappingMode - Indicates mapping behavior if global indices are missing 140 141 IS_GTOLM_MASK - missing global indices are masked by mapping them to a local index of -1 142 IS_GTOLM_DROP - missing global indices are dropped 143 144 Level: beginner 145 146 .seealso: ISGlobalToLocalMappingApplyBlock(), ISGlobalToLocalMappingApply() 147 148 E*/ 149 typedef enum {IS_GTOLM_MASK,IS_GTOLM_DROP} ISGlobalToLocalMappingMode; 150 151 /*J 152 ISLocalToGlobalMappingType - String with the name of a mapping method 153 154 Level: beginner 155 156 .seealso: ISLocalToGlobalMappingSetType(), ISLocalToGlobalSetFromOptions() 157 J*/ 158 typedef const char* ISLocalToGlobalMappingType; 159 #define ISLOCALTOGLOBALMAPPINGBASIC "basic" 160 #define ISLOCALTOGLOBALMAPPINGHASH "hash" 161 162 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingSetType(ISLocalToGlobalMapping,ISLocalToGlobalMappingType); 163 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRegister(const char[],PetscErrorCode (*)(ISLocalToGlobalMapping)); 164 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRegisterAll(void); 165 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreate(MPI_Comm,PetscInt,PetscInt,const PetscInt[],PetscCopyMode,ISLocalToGlobalMapping*); 166 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreateIS(IS,ISLocalToGlobalMapping *); 167 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreateSF(PetscSF,PetscInt,ISLocalToGlobalMapping*); 168 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingSetFromOptions(ISLocalToGlobalMapping); 169 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingSetUp(ISLocalToGlobalMapping); 170 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingView(ISLocalToGlobalMapping,PetscViewer); 171 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingViewFromOptions(ISLocalToGlobalMapping,PetscObject,const char[]); 172 173 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingDestroy(ISLocalToGlobalMapping*); 174 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApply(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]); 175 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApplyBlock(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]); 176 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApplyIS(ISLocalToGlobalMapping,IS,IS*); 177 PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApply(ISLocalToGlobalMapping,ISGlobalToLocalMappingMode,PetscInt,const PetscInt[],PetscInt*,PetscInt[]); 178 PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApplyBlock(ISLocalToGlobalMapping,ISGlobalToLocalMappingMode,PetscInt,const PetscInt[],PetscInt*,PetscInt[]); 179 PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApplyIS(ISLocalToGlobalMapping,ISGlobalToLocalMappingMode,IS,IS*); 180 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetSize(ISLocalToGlobalMapping,PetscInt*); 181 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetNodeInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt**[]); 182 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreNodeInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt**[]); 183 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 184 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 185 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 186 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreBlockInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 187 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetIndices(ISLocalToGlobalMapping,const PetscInt**); 188 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreIndices(ISLocalToGlobalMapping,const PetscInt**); 189 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockIndices(ISLocalToGlobalMapping,const PetscInt**); 190 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreBlockIndices(ISLocalToGlobalMapping,const PetscInt**); 191 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingConcatenate(MPI_Comm,PetscInt,const ISLocalToGlobalMapping[],ISLocalToGlobalMapping*); 192 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockSize(ISLocalToGlobalMapping,PetscInt*); 193 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingSetBlockSize(ISLocalToGlobalMapping,PetscInt); 194 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingDuplicate(ISLocalToGlobalMapping,ISLocalToGlobalMapping*); 195 196 /* --------------------------------------------------------------------------*/ 197 /*E 198 ISColoringType - determines if the coloring is for the entire parallel grid/graph/matrix 199 or for just the local ghosted portion 200 201 Level: beginner 202 203 $ IS_COLORING_GLOBAL - does not include the colors for ghost points, this is used when the function 204 $ is called synchronously in parallel. This requires generating a "parallel coloring". 205 $ IS_COLORING_LOCAL - includes colors for ghost points, this is used when the function can be called 206 $ separately on individual processes with the ghost points already filled in. Does not 207 $ require a "parallel coloring", rather each process colors its local + ghost part. 208 $ Using this can result in much less parallel communication. Currently only works 209 $ with DMDA and if you call MatFDColoringSetFunction() with the local function. 210 211 .seealso: DMCreateColoring() 212 E*/ 213 typedef enum {IS_COLORING_GLOBAL,IS_COLORING_LOCAL} ISColoringType; 214 PETSC_EXTERN const char *const ISColoringTypes[]; 215 typedef unsigned PETSC_IS_COLORING_VALUE_TYPE ISColoringValue; 216 #define IS_COLORING_MAX PETSC_IS_COLORING_MAX 217 #define MPIU_COLORING_VALUE PETSC_MPIU_IS_COLORING_VALUE_TYPE 218 PETSC_EXTERN PetscErrorCode ISAllGatherColors(MPI_Comm,PetscInt,ISColoringValue*,PetscInt*,ISColoringValue*[]); 219 220 PETSC_EXTERN PetscErrorCode ISColoringCreate(MPI_Comm,PetscInt,PetscInt,const ISColoringValue[],PetscCopyMode,ISColoring*); 221 PETSC_EXTERN PetscErrorCode ISColoringDestroy(ISColoring*); 222 PETSC_EXTERN PetscErrorCode ISColoringView(ISColoring,PetscViewer); 223 PETSC_EXTERN PetscErrorCode ISColoringViewFromOptions(ISColoring,PetscObject,const char[]); 224 PETSC_EXTERN PetscErrorCode ISColoringGetIS(ISColoring,PetscCopyMode,PetscInt*,IS*[]); 225 PETSC_EXTERN PetscErrorCode ISColoringRestoreIS(ISColoring,PetscCopyMode,IS*[]); 226 PETSC_EXTERN PetscErrorCode ISColoringReference(ISColoring); 227 PETSC_EXTERN PetscErrorCode ISColoringSetType(ISColoring,ISColoringType); 228 PETSC_EXTERN PetscErrorCode ISColoringGetType(ISColoring,ISColoringType*); 229 PETSC_EXTERN PetscErrorCode ISColoringGetColors(ISColoring,PetscInt*,PetscInt*,const ISColoringValue**); 230 231 /* --------------------------------------------------------------------------*/ 232 PETSC_EXTERN PetscErrorCode ISBuildTwoSided(IS,IS,IS*); 233 PETSC_EXTERN PetscErrorCode ISPartitioningToNumbering(IS,IS*); 234 PETSC_EXTERN PetscErrorCode ISPartitioningCount(IS,PetscInt,PetscInt[]); 235 236 PETSC_EXTERN PetscErrorCode ISCompressIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]); 237 PETSC_EXTERN PetscErrorCode ISCompressIndicesSorted(PetscInt,PetscInt,PetscInt,const IS[],IS[]); 238 PETSC_EXTERN PetscErrorCode ISExpandIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]); 239 240 struct _n_PetscLayout{ 241 MPI_Comm comm; 242 PetscMPIInt size; 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 PetscBool range_alloc; /* should range be freed in Destroy? */ 247 PetscInt bs; /* number of elements in each block (generally for multi-component 248 * problems). Defaults to -1 and can be arbitrarily lazy so always use 249 * PetscAbs(map->bs) when accessing directly and expecting result to be 250 * positive. Do NOT multiply above numbers by bs */ 251 PetscInt refcnt; /* MPI Vecs obtained with VecDuplicate() and from MatCreateVecs() reuse map of input object */ 252 ISLocalToGlobalMapping mapping; /* mapping used in Vec/MatSetValuesLocal() */ 253 PetscBool setupcalled; /* Forbid setup more than once */ 254 PetscInt oldn,oldN; /* Checking if setup is allowed */ 255 PetscInt oldbs; /* And again */ 256 }; 257 258 /*@C 259 PetscLayoutFindOwner - Find the owning rank for a global index 260 261 Not Collective 262 263 Input Parameters: 264 + map - the layout 265 - idx - global index to find the owner of 266 267 Output Parameter: 268 . owner - the owning rank 269 270 Level: developer 271 272 Fortran Notes: 273 Not available from Fortran 274 275 @*/ 276 PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwner(PetscLayout map,PetscInt idx,PetscMPIInt *owner) 277 { 278 PetscMPIInt lo = 0,hi,t; 279 280 PetscFunctionBegin; 281 *owner = -1; /* GCC erroneously issues warning about possibly uninitialized use when error condition */ 282 #if defined(PETSC_USE_DEBUG) 283 if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first"); 284 if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx); 285 #endif 286 hi = map->size; 287 while (hi - lo > 1) { 288 t = lo + (hi - lo) / 2; 289 if (idx < map->range[t]) hi = t; 290 else lo = t; 291 } 292 *owner = lo; 293 PetscFunctionReturn(0); 294 } 295 296 /*@C 297 PetscLayoutFindOwnerIndex - Find the owning rank and the local index for a global index 298 299 Not Collective 300 301 Input Parameters: 302 + map - the layout 303 - idx - global index to find the owner of 304 305 Output Parameters: 306 + owner - the owning rank 307 - lidx - local index used by the owner for idx 308 309 Level: developer 310 311 Fortran Notes: 312 Not available from Fortran 313 314 @*/ 315 PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwnerIndex(PetscLayout map,PetscInt idx,PetscMPIInt *owner,PetscInt *lidx) 316 { 317 PetscMPIInt lo = 0,hi,t; 318 319 PetscFunctionBegin; 320 #if defined(PETSC_USE_DEBUG) 321 if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first"); 322 if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx); 323 #endif 324 hi = map->size; 325 while (hi - lo > 1) { 326 t = lo + (hi - lo) / 2; 327 if (idx < map->range[t]) hi = t; 328 else lo = t; 329 } 330 if (owner) *owner = lo; 331 if (lidx) *lidx = idx - map->range[lo]; 332 PetscFunctionReturn(0); 333 } 334 335 PETSC_EXTERN PetscErrorCode PetscLayoutCreate(MPI_Comm,PetscLayout*); 336 PETSC_EXTERN PetscErrorCode PetscLayoutCreateFromSizes(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscLayout*); 337 PETSC_EXTERN PetscErrorCode PetscLayoutCreateFromRanges(MPI_Comm,const PetscInt[],PetscCopyMode,PetscInt,PetscLayout*); 338 PETSC_EXTERN PetscErrorCode PetscLayoutSetUp(PetscLayout); 339 PETSC_EXTERN PetscErrorCode PetscLayoutDestroy(PetscLayout*); 340 PETSC_EXTERN PetscErrorCode PetscLayoutDuplicate(PetscLayout,PetscLayout*); 341 PETSC_EXTERN PetscErrorCode PetscLayoutReference(PetscLayout,PetscLayout*); 342 PETSC_EXTERN PetscErrorCode PetscLayoutSetLocalSize(PetscLayout,PetscInt); 343 PETSC_EXTERN PetscErrorCode PetscLayoutGetLocalSize(PetscLayout,PetscInt *); 344 PETSC_EXTERN PetscErrorCode PetscLayoutSetSize(PetscLayout,PetscInt); 345 PETSC_EXTERN PetscErrorCode PetscLayoutGetSize(PetscLayout,PetscInt *); 346 PETSC_EXTERN PetscErrorCode PetscLayoutSetBlockSize(PetscLayout,PetscInt); 347 PETSC_EXTERN PetscErrorCode PetscLayoutGetBlockSize(PetscLayout,PetscInt*); 348 PETSC_EXTERN PetscErrorCode PetscLayoutGetRange(PetscLayout,PetscInt *,PetscInt *); 349 PETSC_EXTERN PetscErrorCode PetscLayoutGetRanges(PetscLayout,const PetscInt *[]); 350 PETSC_EXTERN PetscErrorCode PetscLayoutCompare(PetscLayout,PetscLayout,PetscBool*); 351 PETSC_EXTERN PetscErrorCode PetscLayoutSetISLocalToGlobalMapping(PetscLayout,ISLocalToGlobalMapping); 352 PETSC_EXTERN PetscErrorCode PetscLayoutMapLocal(PetscLayout,PetscInt,const PetscInt[],PetscInt*,PetscInt**,PetscInt**); 353 354 PETSC_EXTERN PetscErrorCode PetscParallelSortInt(PetscLayout, PetscLayout, PetscInt*, PetscInt*); 355 356 PETSC_EXTERN PetscErrorCode ISGetLayout(IS, PetscLayout *); 357 358 #endif 359