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*); 76 PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIS(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 ISShift(IS,PetscInt,IS); 107 PETSC_EXTERN PetscErrorCode ISAllGather(IS,IS*); 108 PETSC_EXTERN PetscErrorCode ISComplement(IS,PetscInt,PetscInt,IS*); 109 PETSC_EXTERN PetscErrorCode ISConcatenate(MPI_Comm,PetscInt,const IS[],IS*); 110 PETSC_EXTERN PetscErrorCode ISListToPair(MPI_Comm,PetscInt,IS[],IS*,IS*); 111 PETSC_EXTERN PetscErrorCode ISPairToList(IS,IS,PetscInt*,IS*[]); 112 PETSC_EXTERN PetscErrorCode ISEmbed(IS,IS,PetscBool,IS*); 113 PETSC_EXTERN PetscErrorCode ISSortPermutation(IS,PetscBool,IS*); 114 PETSC_EXTERN PetscErrorCode ISOnComm(IS,MPI_Comm,PetscCopyMode,IS*); 115 PETSC_EXTERN PetscErrorCode ISRenumber(IS,IS,PetscInt*,IS*); 116 PETSC_EXTERN PetscErrorCode ISCreateSubIS(IS,IS,IS*); 117 118 /* ISGENERAL specific */ 119 PETSC_EXTERN PetscErrorCode ISCreateGeneral(MPI_Comm,PetscInt,const PetscInt[],PetscCopyMode,IS*); 120 PETSC_EXTERN PetscErrorCode ISGeneralSetIndices(IS,PetscInt,const PetscInt[],PetscCopyMode); 121 PETSC_EXTERN PetscErrorCode ISGeneralSetIndicesFromMask(IS,PetscInt,PetscInt,const PetscBool[]); 122 PETSC_EXTERN PetscErrorCode ISGeneralFilter(IS,PetscInt,PetscInt); 123 124 /* ISBLOCK specific */ 125 PETSC_EXTERN PetscErrorCode ISCreateBlock(MPI_Comm,PetscInt,PetscInt,const PetscInt[],PetscCopyMode,IS*); 126 PETSC_EXTERN PetscErrorCode ISBlockSetIndices(IS,PetscInt,PetscInt,const PetscInt[],PetscCopyMode); 127 PETSC_EXTERN PetscErrorCode ISBlockGetIndices(IS,const PetscInt*[]); 128 PETSC_EXTERN PetscErrorCode ISBlockRestoreIndices(IS,const PetscInt*[]); 129 PETSC_EXTERN PetscErrorCode ISBlockGetLocalSize(IS,PetscInt*); 130 PETSC_EXTERN PetscErrorCode ISBlockGetSize(IS,PetscInt*); 131 132 /* ISSTRIDE specific */ 133 PETSC_EXTERN PetscErrorCode ISCreateStride(MPI_Comm,PetscInt,PetscInt,PetscInt,IS*); 134 PETSC_EXTERN PetscErrorCode ISStrideSetStride(IS,PetscInt,PetscInt,PetscInt); 135 PETSC_EXTERN PetscErrorCode ISStrideGetInfo(IS,PetscInt*,PetscInt*); 136 137 /* --------------------------------------------------------------------------*/ 138 PETSC_EXTERN PetscClassId IS_LTOGM_CLASSID; 139 140 /*E 141 ISGlobalToLocalMappingMode - Indicates mapping behavior if global indices are missing 142 143 IS_GTOLM_MASK - missing global indices are masked by mapping them to a local index of -1 144 IS_GTOLM_DROP - missing global indices are dropped 145 146 Level: beginner 147 148 .seealso: ISGlobalToLocalMappingApplyBlock(), ISGlobalToLocalMappingApply() 149 150 E*/ 151 typedef enum {IS_GTOLM_MASK,IS_GTOLM_DROP} ISGlobalToLocalMappingMode; 152 153 /*J 154 ISLocalToGlobalMappingType - String with the name of a mapping method 155 156 Level: beginner 157 158 .seealso: ISLocalToGlobalMappingSetType(), ISLocalToGlobalSetFromOptions() 159 J*/ 160 typedef const char* ISLocalToGlobalMappingType; 161 #define ISLOCALTOGLOBALMAPPINGBASIC "basic" 162 #define ISLOCALTOGLOBALMAPPINGHASH "hash" 163 164 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingSetType(ISLocalToGlobalMapping,ISLocalToGlobalMappingType); 165 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetType(ISLocalToGlobalMapping,ISLocalToGlobalMappingType*); 166 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRegister(const char[],PetscErrorCode (*)(ISLocalToGlobalMapping)); 167 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRegisterAll(void); 168 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreate(MPI_Comm,PetscInt,PetscInt,const PetscInt[],PetscCopyMode,ISLocalToGlobalMapping*); 169 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreateIS(IS,ISLocalToGlobalMapping *); 170 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingCreateSF(PetscSF,PetscInt,ISLocalToGlobalMapping*); 171 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingSetFromOptions(ISLocalToGlobalMapping); 172 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingSetUp(ISLocalToGlobalMapping); 173 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingView(ISLocalToGlobalMapping,PetscViewer); 174 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingViewFromOptions(ISLocalToGlobalMapping,PetscObject,const char[]); 175 176 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingDestroy(ISLocalToGlobalMapping*); 177 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApply(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]); 178 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApplyBlock(ISLocalToGlobalMapping,PetscInt,const PetscInt[],PetscInt[]); 179 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingApplyIS(ISLocalToGlobalMapping,IS,IS*); 180 PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApply(ISLocalToGlobalMapping,ISGlobalToLocalMappingMode,PetscInt,const PetscInt[],PetscInt*,PetscInt[]); 181 PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApplyBlock(ISLocalToGlobalMapping,ISGlobalToLocalMappingMode,PetscInt,const PetscInt[],PetscInt*,PetscInt[]); 182 PETSC_EXTERN PetscErrorCode ISGlobalToLocalMappingApplyIS(ISLocalToGlobalMapping,ISGlobalToLocalMappingMode,IS,IS*); 183 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetSize(ISLocalToGlobalMapping,PetscInt*); 184 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetNodeInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt**[]); 185 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreNodeInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt**[]); 186 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 187 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 188 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 189 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreBlockInfo(ISLocalToGlobalMapping,PetscInt*,PetscInt*[],PetscInt*[],PetscInt**[]); 190 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetIndices(ISLocalToGlobalMapping,const PetscInt**); 191 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreIndices(ISLocalToGlobalMapping,const PetscInt**); 192 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockIndices(ISLocalToGlobalMapping,const PetscInt**); 193 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingRestoreBlockIndices(ISLocalToGlobalMapping,const PetscInt**); 194 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingConcatenate(MPI_Comm,PetscInt,const ISLocalToGlobalMapping[],ISLocalToGlobalMapping*); 195 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingGetBlockSize(ISLocalToGlobalMapping,PetscInt*); 196 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingSetBlockSize(ISLocalToGlobalMapping,PetscInt); 197 PETSC_EXTERN PetscErrorCode ISLocalToGlobalMappingDuplicate(ISLocalToGlobalMapping,ISLocalToGlobalMapping*); 198 199 /* --------------------------------------------------------------------------*/ 200 /*E 201 ISColoringType - determines if the coloring is for the entire parallel grid/graph/matrix 202 or for just the local ghosted portion 203 204 Level: beginner 205 206 $ IS_COLORING_GLOBAL - does not include the colors for ghost points, this is used when the function 207 $ is called synchronously in parallel. This requires generating a "parallel coloring". 208 $ IS_COLORING_LOCAL - includes colors for ghost points, this is used when the function can be called 209 $ separately on individual processes with the ghost points already filled in. Does not 210 $ require a "parallel coloring", rather each process colors its local + ghost part. 211 $ Using this can result in much less parallel communication. Currently only works 212 $ with DMDA and if you call MatFDColoringSetFunction() with the local function. 213 214 .seealso: DMCreateColoring() 215 E*/ 216 typedef enum {IS_COLORING_GLOBAL,IS_COLORING_LOCAL} ISColoringType; 217 PETSC_EXTERN const char *const ISColoringTypes[]; 218 typedef unsigned PETSC_IS_COLORING_VALUE_TYPE ISColoringValue; 219 #define IS_COLORING_MAX PETSC_IS_COLORING_MAX 220 #define MPIU_COLORING_VALUE PETSC_MPIU_IS_COLORING_VALUE_TYPE 221 PETSC_EXTERN PetscErrorCode ISAllGatherColors(MPI_Comm,PetscInt,ISColoringValue*,PetscInt*,ISColoringValue*[]); 222 223 PETSC_EXTERN PetscErrorCode ISColoringCreate(MPI_Comm,PetscInt,PetscInt,const ISColoringValue[],PetscCopyMode,ISColoring*); 224 PETSC_EXTERN PetscErrorCode ISColoringDestroy(ISColoring*); 225 PETSC_EXTERN PetscErrorCode ISColoringView(ISColoring,PetscViewer); 226 PETSC_EXTERN PetscErrorCode ISColoringViewFromOptions(ISColoring,PetscObject,const char[]); 227 PETSC_EXTERN PetscErrorCode ISColoringGetIS(ISColoring,PetscCopyMode,PetscInt*,IS*[]); 228 PETSC_EXTERN PetscErrorCode ISColoringRestoreIS(ISColoring,PetscCopyMode,IS*[]); 229 PETSC_EXTERN PetscErrorCode ISColoringReference(ISColoring); 230 PETSC_EXTERN PetscErrorCode ISColoringSetType(ISColoring,ISColoringType); 231 PETSC_EXTERN PetscErrorCode ISColoringGetType(ISColoring,ISColoringType*); 232 PETSC_EXTERN PetscErrorCode ISColoringGetColors(ISColoring,PetscInt*,PetscInt*,const ISColoringValue**); 233 234 /* --------------------------------------------------------------------------*/ 235 PETSC_EXTERN PetscErrorCode ISBuildTwoSided(IS,IS,IS*); 236 PETSC_EXTERN PetscErrorCode ISPartitioningToNumbering(IS,IS*); 237 PETSC_EXTERN PetscErrorCode ISPartitioningCount(IS,PetscInt,PetscInt[]); 238 239 PETSC_EXTERN PetscErrorCode ISCompressIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]); 240 PETSC_EXTERN PetscErrorCode ISCompressIndicesSorted(PetscInt,PetscInt,PetscInt,const IS[],IS[]); 241 PETSC_EXTERN PetscErrorCode ISExpandIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]); 242 243 struct _n_PetscLayout{ 244 MPI_Comm comm; 245 PetscMPIInt size; 246 PetscInt n,N; /* local, global vector size */ 247 PetscInt rstart,rend; /* local start, local end + 1 */ 248 PetscInt *range; /* the offset of each processor */ 249 PetscBool range_alloc; /* should range be freed in Destroy? */ 250 PetscInt bs; /* number of elements in each block (generally for multi-component 251 * problems). Defaults to -1 and can be arbitrarily lazy so always use 252 * PetscAbs(map->bs) when accessing directly and expecting result to be 253 * positive. Do NOT multiply above numbers by bs */ 254 PetscInt refcnt; /* MPI Vecs obtained with VecDuplicate() and from MatCreateVecs() reuse map of input object */ 255 ISLocalToGlobalMapping mapping; /* mapping used in Vec/MatSetValuesLocal() */ 256 PetscBool setupcalled; /* Forbid setup more than once */ 257 PetscInt oldn,oldN; /* Checking if setup is allowed */ 258 PetscInt oldbs; /* And again */ 259 }; 260 261 /*@C 262 PetscLayoutFindOwner - Find the owning rank for a global index 263 264 Not Collective 265 266 Input Parameters: 267 + map - the layout 268 - idx - global index to find the owner of 269 270 Output Parameter: 271 . owner - the owning rank 272 273 Level: developer 274 275 Fortran Notes: 276 Not available from Fortran 277 278 @*/ 279 static inline PetscErrorCode PetscLayoutFindOwner(PetscLayout map,PetscInt idx,PetscMPIInt *owner) 280 { 281 PetscMPIInt lo = 0,hi,t; 282 283 PetscFunctionBegin; 284 *owner = -1; /* GCC erroneously issues warning about possibly uninitialized use when error condition */ 285 #if defined(PETSC_USE_DEBUG) 286 PetscCheck((map->n >= 0) && (map->N >= 0) && (map->range),PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first"); 287 PetscCheck(idx >= 0 && idx <= map->N,PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %" PetscInt_FMT " is out of range",idx); 288 #endif 289 hi = map->size; 290 while (hi - lo > 1) { 291 t = lo + (hi - lo) / 2; 292 if (idx < map->range[t]) hi = t; 293 else lo = t; 294 } 295 *owner = lo; 296 PetscFunctionReturn(0); 297 } 298 299 /*@C 300 PetscLayoutFindOwnerIndex - Find the owning rank and the local index for a global index 301 302 Not Collective 303 304 Input Parameters: 305 + map - the layout 306 - idx - global index to find the owner of 307 308 Output Parameters: 309 + owner - the owning rank 310 - lidx - local index used by the owner for idx 311 312 Level: developer 313 314 Fortran Notes: 315 Not available from Fortran 316 317 @*/ 318 static inline PetscErrorCode PetscLayoutFindOwnerIndex(PetscLayout map,PetscInt idx,PetscMPIInt *owner,PetscInt *lidx) 319 { 320 PetscMPIInt lo = 0,hi,t; 321 322 PetscFunctionBegin; 323 #if defined(PETSC_USE_DEBUG) 324 PetscCheck((map->n >= 0) && (map->N >= 0) && (map->range),PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first"); 325 PetscCheck(idx >= 0 && idx <= map->N,PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %" PetscInt_FMT " is out of range",idx); 326 #endif 327 hi = map->size; 328 while (hi - lo > 1) { 329 t = lo + (hi - lo) / 2; 330 if (idx < map->range[t]) hi = t; 331 else lo = t; 332 } 333 if (owner) *owner = lo; 334 if (lidx) *lidx = idx - map->range[lo]; 335 PetscFunctionReturn(0); 336 } 337 338 PETSC_EXTERN PetscErrorCode PetscLayoutCreate(MPI_Comm,PetscLayout*); 339 PETSC_EXTERN PetscErrorCode PetscLayoutCreateFromSizes(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscLayout*); 340 PETSC_EXTERN PetscErrorCode PetscLayoutCreateFromRanges(MPI_Comm,const PetscInt[],PetscCopyMode,PetscInt,PetscLayout*); 341 PETSC_EXTERN PetscErrorCode PetscLayoutSetUp(PetscLayout); 342 PETSC_EXTERN PetscErrorCode PetscLayoutDestroy(PetscLayout*); 343 PETSC_EXTERN PetscErrorCode PetscLayoutDuplicate(PetscLayout,PetscLayout*); 344 PETSC_EXTERN PetscErrorCode PetscLayoutReference(PetscLayout,PetscLayout*); 345 PETSC_EXTERN PetscErrorCode PetscLayoutSetLocalSize(PetscLayout,PetscInt); 346 PETSC_EXTERN PetscErrorCode PetscLayoutGetLocalSize(PetscLayout,PetscInt *); 347 PETSC_EXTERN PetscErrorCode PetscLayoutSetSize(PetscLayout,PetscInt); 348 PETSC_EXTERN PetscErrorCode PetscLayoutGetSize(PetscLayout,PetscInt*); 349 PETSC_EXTERN PetscErrorCode PetscLayoutSetBlockSize(PetscLayout,PetscInt); 350 PETSC_EXTERN PetscErrorCode PetscLayoutGetBlockSize(PetscLayout,PetscInt*); 351 PETSC_EXTERN PetscErrorCode PetscLayoutGetRange(PetscLayout,PetscInt*,PetscInt*); 352 PETSC_EXTERN PetscErrorCode PetscLayoutGetRanges(PetscLayout,const PetscInt*[]); 353 PETSC_EXTERN PetscErrorCode PetscLayoutCompare(PetscLayout,PetscLayout,PetscBool*); 354 PETSC_EXTERN PetscErrorCode PetscLayoutSetISLocalToGlobalMapping(PetscLayout,ISLocalToGlobalMapping); 355 PETSC_EXTERN PetscErrorCode PetscLayoutMapLocal(PetscLayout,PetscInt,const PetscInt[],PetscInt*,PetscInt**,PetscInt**); 356 357 PETSC_EXTERN PetscErrorCode PetscParallelSortInt(PetscLayout, PetscLayout, PetscInt*, PetscInt*); 358 359 PETSC_EXTERN PetscErrorCode ISGetLayout(IS,PetscLayout*); 360 PETSC_EXTERN PetscErrorCode ISSetLayout(IS,PetscLayout); 361 362 #endif 363