Actual source code: petscis.h

      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>

     12: #define IS_FILE_CLASSID 1211218
     13: PETSC_EXTERN PetscClassId IS_CLASSID;

     15: PETSC_EXTERN PetscErrorCode ISInitializePackage(void);

     17: /*J
     18:     ISType - String with the name of a PETSc index set type

     20:    Level: beginner

     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"

     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*);

     36: /*
     37:     Default index set data structures that PETSc provides.
     38: */
     39: PETSC_EXTERN PetscErrorCode ISCreateGeneral(MPI_Comm,PetscInt,const PetscInt[],PetscCopyMode,IS *);
     40: PETSC_EXTERN PetscErrorCode ISGeneralSetIndices(IS,PetscInt,const PetscInt[],PetscCopyMode);
     41: PETSC_EXTERN PetscErrorCode ISCreateBlock(MPI_Comm,PetscInt,PetscInt,const PetscInt[],PetscCopyMode,IS *);
     42: PETSC_EXTERN PetscErrorCode ISBlockSetIndices(IS,PetscInt,PetscInt,const PetscInt[],PetscCopyMode);
     43: PETSC_EXTERN PetscErrorCode ISCreateStride(MPI_Comm,PetscInt,PetscInt,PetscInt,IS *);
     44: PETSC_EXTERN PetscErrorCode ISStrideSetStride(IS,PetscInt,PetscInt,PetscInt);

     46: PETSC_EXTERN PetscErrorCode ISDestroy(IS*);
     47: PETSC_EXTERN PetscErrorCode ISSetPermutation(IS);
     48: PETSC_EXTERN PetscErrorCode ISPermutation(IS,PetscBool *);
     49: PETSC_EXTERN PetscErrorCode ISSetIdentity(IS);
     50: PETSC_EXTERN PetscErrorCode ISIdentity(IS,PetscBool *);
     51: PETSC_EXTERN PetscErrorCode ISContiguousLocal(IS,PetscInt,PetscInt,PetscInt*,PetscBool*);

     53: /*E
     54:     ISInfo - Info that may either be computed or set as known for an index set

     56:     Level: beginner

     58:    Any additions/changes here MUST also be made in include/petsc/finclude/petscis.h
     59:    Any additions/changes here must also be made in src/vec/vec/interface/dlregisvec.c in ISInfos[]

     61:    Developer Notes:
     62:     Entries that are negative need not be called collectively by all processes.

     64: .seealso: ISSetInfo()
     65: E*/
     66: typedef enum {IS_INFO_MIN = -1,
     67:               IS_SORTED = 0,
     68:               IS_UNIQUE = 1,
     69:               IS_PERMUTATION = 2,
     70:               IS_INTERVAL = 3,
     71:               IS_IDENTITY = 4,
     72:               IS_INFO_MAX = 5} ISInfo;

     74: typedef enum {IS_LOCAL, IS_GLOBAL} ISInfoType;

     76: PETSC_EXTERN PetscErrorCode ISSetInfo(IS,ISInfo,ISInfoType,PetscBool,PetscBool);
     77: PETSC_EXTERN PetscErrorCode ISGetInfo(IS,ISInfo,ISInfoType,PetscBool,PetscBool*);
     78: PETSC_EXTERN PetscErrorCode ISClearInfoCache(IS,PetscBool);
     79: PETSC_EXTERN PetscErrorCode ISGetIndices(IS,const PetscInt *[]);
     80: PETSC_EXTERN PetscErrorCode ISRestoreIndices(IS,const PetscInt *[]);
     81: PETSC_EXTERN PetscErrorCode ISGetTotalIndices(IS,const PetscInt *[]);
     82: PETSC_EXTERN PetscErrorCode ISRestoreTotalIndices(IS,const PetscInt *[]);
     83: PETSC_EXTERN PetscErrorCode ISGetNonlocalIndices(IS,const PetscInt *[]);
     84: PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIndices(IS,const PetscInt *[]);
     85: PETSC_EXTERN PetscErrorCode ISGetNonlocalIS(IS, IS *is);
     86: PETSC_EXTERN PetscErrorCode ISRestoreNonlocalIS(IS, IS *is);
     87: PETSC_EXTERN PetscErrorCode ISGetSize(IS,PetscInt *);
     88: PETSC_EXTERN PetscErrorCode ISGetLocalSize(IS,PetscInt *);
     89: PETSC_EXTERN PetscErrorCode ISInvertPermutation(IS,PetscInt,IS*);
     90: PETSC_EXTERN PetscErrorCode ISView(IS,PetscViewer);
     91: PETSC_EXTERN PetscErrorCode ISViewFromOptions(IS,PetscObject,const char[]);
     92: PETSC_EXTERN PetscErrorCode ISLoad(IS,PetscViewer);
     93: PETSC_EXTERN PetscErrorCode ISEqual(IS,IS,PetscBool  *);
     94: PETSC_EXTERN PetscErrorCode ISEqualUnsorted(IS,IS,PetscBool *);
     95: PETSC_EXTERN PetscErrorCode ISSort(IS);
     96: PETSC_EXTERN PetscErrorCode ISSortRemoveDups(IS);
     97: PETSC_EXTERN PetscErrorCode ISSorted(IS,PetscBool  *);
     98: PETSC_EXTERN PetscErrorCode ISDifference(IS,IS,IS*);
     99: PETSC_EXTERN PetscErrorCode ISSum(IS,IS,IS*);
    100: PETSC_EXTERN PetscErrorCode ISExpand(IS,IS,IS*);
    101: PETSC_EXTERN PetscErrorCode ISIntersect(IS,IS,IS*);
    102: PETSC_EXTERN PetscErrorCode ISGetMinMax(IS,PetscInt*,PetscInt*);

    104: PETSC_EXTERN PetscErrorCode ISLocate(IS,PetscInt,PetscInt*);
    105: PETSC_EXTERN PetscErrorCode ISGetPointRange(IS,PetscInt*,PetscInt*,const PetscInt**);
    106: PETSC_EXTERN PetscErrorCode ISRestorePointRange(IS,PetscInt*,PetscInt*,const PetscInt**);
    107: PETSC_EXTERN PetscErrorCode ISGetPointSubrange(IS,PetscInt,PetscInt,const PetscInt*);

    109: PETSC_EXTERN PetscErrorCode ISBlockGetIndices(IS,const PetscInt *[]);
    110: PETSC_EXTERN PetscErrorCode ISBlockRestoreIndices(IS,const PetscInt *[]);
    111: PETSC_EXTERN PetscErrorCode ISBlockGetLocalSize(IS,PetscInt *);
    112: PETSC_EXTERN PetscErrorCode ISBlockGetSize(IS,PetscInt *);
    113: PETSC_EXTERN PetscErrorCode ISGetBlockSize(IS,PetscInt*);
    114: PETSC_EXTERN PetscErrorCode ISSetBlockSize(IS,PetscInt);

    116: PETSC_EXTERN PetscErrorCode ISStrideGetInfo(IS,PetscInt *,PetscInt*);

    118: PETSC_EXTERN PetscErrorCode ISToGeneral(IS);

    120: PETSC_EXTERN PetscErrorCode ISDuplicate(IS,IS*);
    121: PETSC_EXTERN PetscErrorCode ISCopy(IS,IS);
    122: PETSC_EXTERN PetscErrorCode ISAllGather(IS,IS*);
    123: PETSC_EXTERN PetscErrorCode ISComplement(IS,PetscInt,PetscInt,IS*);
    124: PETSC_EXTERN PetscErrorCode ISConcatenate(MPI_Comm,PetscInt,const IS[],IS*);
    125: PETSC_EXTERN PetscErrorCode ISListToPair(MPI_Comm,PetscInt, IS[],IS*,IS*);
    126: PETSC_EXTERN PetscErrorCode ISPairToList(IS,IS,PetscInt*, IS *[]);
    127: PETSC_EXTERN PetscErrorCode ISEmbed(IS,IS,PetscBool,IS*);
    128: PETSC_EXTERN PetscErrorCode ISSortPermutation(IS,PetscBool,IS*);
    129: PETSC_EXTERN PetscErrorCode ISOnComm(IS,MPI_Comm,PetscCopyMode,IS*);
    130: PETSC_EXTERN PetscErrorCode ISRenumber(IS,IS,PetscInt*,IS*);
    131: PETSC_EXTERN PetscErrorCode ISCreateSubIS(IS,IS,IS*);

    133: PETSC_EXTERN PetscErrorCode ISGeneralFilter(IS,PetscInt,PetscInt);

    135: /* --------------------------------------------------------------------------*/
    136: PETSC_EXTERN PetscClassId IS_LTOGM_CLASSID;

    138: /*E
    139:     ISGlobalToLocalMappingMode - Indicates mapping behavior if global indices are missing

    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

    144:    Level: beginner

    146: .seealso: ISGlobalToLocalMappingApplyBlock(), ISGlobalToLocalMappingApply()

    148: E*/
    149: typedef enum {IS_GTOLM_MASK,IS_GTOLM_DROP} ISGlobalToLocalMappingMode;

    151: /*J
    152:     ISLocalToGlobalMappingType - String with the name of a mapping method

    154:    Level: beginner

    156: .seealso: ISLocalToGlobalMappingSetType(), ISLocalToGlobalSetFromOptions()
    157: J*/
    158: typedef const char* ISLocalToGlobalMappingType;
    159: #define ISLOCALTOGLOBALMAPPINGBASIC "basic"
    160: #define ISLOCALTOGLOBALMAPPINGHASH  "hash"

    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[]);

    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*);

    197: /* --------------------------------------------------------------------------*/
    198: /*E
    199:     ISColoringType - determines if the coloring is for the entire parallel grid/graph/matrix
    200:                      or for just the local ghosted portion

    202:     Level: beginner

    204: $   IS_COLORING_GLOBAL - does not include the colors for ghost points, this is used when the function
    205: $                        is called synchronously in parallel. This requires generating a "parallel coloring".
    206: $   IS_COLORING_LOCAL - includes colors for ghost points, this is used when the function can be called
    207: $                         separately on individual processes with the ghost points already filled in. Does not
    208: $                         require a "parallel coloring", rather each process colors its local + ghost part.
    209: $                         Using this can result in much less parallel communication. Currently only works
    210: $                         with DMDA and if you call MatFDColoringSetFunction() with the local function.

    212: .seealso: DMCreateColoring()
    213: E*/
    214: typedef enum {IS_COLORING_GLOBAL,IS_COLORING_LOCAL} ISColoringType;
    215: PETSC_EXTERN const char *const ISColoringTypes[];
    216: typedef unsigned PETSC_IS_COLORING_VALUE_TYPE ISColoringValue;
    217: #define IS_COLORING_MAX PETSC_IS_COLORING_MAX
    218: #define MPIU_COLORING_VALUE PETSC_MPIU_IS_COLORING_VALUE_TYPE
    219: PETSC_EXTERN PetscErrorCode ISAllGatherColors(MPI_Comm,PetscInt,ISColoringValue*,PetscInt*,ISColoringValue*[]);

    221: PETSC_EXTERN PetscErrorCode ISColoringCreate(MPI_Comm,PetscInt,PetscInt,const ISColoringValue[],PetscCopyMode,ISColoring*);
    222: PETSC_EXTERN PetscErrorCode ISColoringDestroy(ISColoring*);
    223: PETSC_EXTERN PetscErrorCode ISColoringView(ISColoring,PetscViewer);
    224: PETSC_EXTERN PetscErrorCode ISColoringViewFromOptions(ISColoring,PetscObject,const char[]);
    225: PETSC_EXTERN PetscErrorCode ISColoringGetIS(ISColoring,PetscCopyMode,PetscInt*,IS*[]);
    226: PETSC_EXTERN PetscErrorCode ISColoringRestoreIS(ISColoring,PetscCopyMode,IS*[]);
    227: PETSC_EXTERN PetscErrorCode ISColoringReference(ISColoring);
    228: PETSC_EXTERN PetscErrorCode ISColoringSetType(ISColoring,ISColoringType);
    229: PETSC_EXTERN PetscErrorCode ISColoringGetType(ISColoring,ISColoringType*);
    230: PETSC_EXTERN PetscErrorCode ISColoringGetColors(ISColoring,PetscInt*,PetscInt*,const ISColoringValue**);

    232: /* --------------------------------------------------------------------------*/
    233: PETSC_EXTERN PetscErrorCode ISBuildTwoSided(IS,IS,IS*);
    234: PETSC_EXTERN PetscErrorCode ISPartitioningToNumbering(IS,IS*);
    235: PETSC_EXTERN PetscErrorCode ISPartitioningCount(IS,PetscInt,PetscInt[]);

    237: PETSC_EXTERN PetscErrorCode ISCompressIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]);
    238: PETSC_EXTERN PetscErrorCode ISCompressIndicesSorted(PetscInt,PetscInt,PetscInt,const IS[],IS[]);
    239: PETSC_EXTERN PetscErrorCode ISExpandIndicesGeneral(PetscInt,PetscInt,PetscInt,PetscInt,const IS[],IS[]);

    242: struct _n_PetscLayout{
    243:   MPI_Comm               comm;
    244:   PetscMPIInt            size;
    245:   PetscInt               n,N;         /* local, global vector size */
    246:   PetscInt               rstart,rend; /* local start, local end + 1 */
    247:   PetscInt               *range;      /* the offset of each processor */
    248:   PetscBool              range_alloc; /* should range be freed in Destroy? */
    249:   PetscInt               bs;          /* number of elements in each block (generally for multi-component
    250:                                        * problems). Defaults to -1 and can be arbitrarily lazy so always use
    251:                                        * PetscAbs(map->bs) when accessing directly and expecting result to be
    252:                                        * positive. Do NOT multiply above numbers by bs */
    253:   PetscInt               refcnt;      /* MPI Vecs obtained with VecDuplicate() and from MatCreateVecs() reuse map of input object */
    254:   ISLocalToGlobalMapping mapping;     /* mapping used in Vec/MatSetValuesLocal() */
    255:   PetscBool              setupcalled; /* Forbid setup more than once */
    256:   PetscInt               oldn,oldN;   /* Checking if setup is allowed */
    257:   PetscInt               oldbs;       /* And again */
    258: };

    260: /*@C
    261:      PetscLayoutFindOwner - Find the owning rank for a global index

    263:     Not Collective

    265:    Input Parameters:
    266: +    map - the layout
    267: -    idx - global index to find the owner of

    269:    Output Parameter:
    270: .    owner - the owning rank

    272:    Level: developer

    274:     Fortran Notes:
    275:       Not available from Fortran

    277: @*/
    278: PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwner(PetscLayout map,PetscInt idx,PetscMPIInt *owner)
    279: {
    280:   PetscMPIInt lo = 0,hi,t;

    283:   *owner = -1;                  /* GCC erroneously issues warning about possibly uninitialized use when error condition */
    284: #if defined(PETSC_USE_DEBUG)
    285:   if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first");
    286:   if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx);
    287: #endif
    288:   hi = map->size;
    289:   while (hi - lo > 1) {
    290:     t = lo + (hi - lo) / 2;
    291:     if (idx < map->range[t]) hi = t;
    292:     else                     lo = t;
    293:   }
    294:   *owner = lo;
    295:   return(0);
    296: }

    298: /*@C
    299:      PetscLayoutFindOwnerIndex - Find the owning rank and the local index for a global index

    301:     Not Collective

    303:    Input Parameters:
    304: +    map   - the layout
    305: -    idx   - global index to find the owner of

    307:    Output Parameter:
    308: +    owner - the owning rank
    309: -    lidx  - local index used by the owner for idx

    311:    Level: developer

    313:     Fortran Notes:
    314:       Not available from Fortran

    316: @*/
    317: PETSC_STATIC_INLINE PetscErrorCode PetscLayoutFindOwnerIndex(PetscLayout map,PetscInt idx,PetscMPIInt *owner,PetscInt *lidx)
    318: {
    319:   PetscMPIInt lo = 0,hi,t;

    322: #if defined(PETSC_USE_DEBUG)
    323:   if (!((map->n >= 0) && (map->N >= 0) && (map->range))) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscLayoutSetUp() must be called first");
    324:   if (idx < 0 || idx > map->N) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Index %D is out of range",idx);
    325: #endif
    326:   hi = map->size;
    327:   while (hi - lo > 1) {
    328:     t = lo + (hi - lo) / 2;
    329:     if (idx < map->range[t]) hi = t;
    330:     else                     lo = t;
    331:   }
    332:   if (owner) *owner = lo;
    333:   if (lidx) *lidx  = idx - map->range[lo];
    334:   return(0);
    335: }

    337: PETSC_EXTERN PetscErrorCode PetscLayoutCreate(MPI_Comm,PetscLayout*);
    338: PETSC_EXTERN PetscErrorCode PetscLayoutCreateFromSizes(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscLayout*);
    339: PETSC_EXTERN PetscErrorCode PetscLayoutCreateFromRanges(MPI_Comm,const PetscInt[],PetscCopyMode,PetscInt,PetscLayout*);
    340: PETSC_EXTERN PetscErrorCode PetscLayoutSetUp(PetscLayout);
    341: PETSC_EXTERN PetscErrorCode PetscLayoutDestroy(PetscLayout*);
    342: PETSC_EXTERN PetscErrorCode PetscLayoutDuplicate(PetscLayout,PetscLayout*);
    343: PETSC_EXTERN PetscErrorCode PetscLayoutReference(PetscLayout,PetscLayout*);
    344: PETSC_EXTERN PetscErrorCode PetscLayoutSetLocalSize(PetscLayout,PetscInt);
    345: PETSC_EXTERN PetscErrorCode PetscLayoutGetLocalSize(PetscLayout,PetscInt *);
    346: PETSC_EXTERN PetscErrorCode PetscLayoutSetSize(PetscLayout,PetscInt);
    347: PETSC_EXTERN PetscErrorCode PetscLayoutGetSize(PetscLayout,PetscInt *);
    348: PETSC_EXTERN PetscErrorCode PetscLayoutSetBlockSize(PetscLayout,PetscInt);
    349: PETSC_EXTERN PetscErrorCode PetscLayoutGetBlockSize(PetscLayout,PetscInt*);
    350: PETSC_EXTERN PetscErrorCode PetscLayoutGetRange(PetscLayout,PetscInt *,PetscInt *);
    351: PETSC_EXTERN PetscErrorCode PetscLayoutGetRanges(PetscLayout,const PetscInt *[]);
    352: PETSC_EXTERN PetscErrorCode PetscLayoutCompare(PetscLayout,PetscLayout,PetscBool*);
    353: PETSC_EXTERN PetscErrorCode PetscLayoutSetISLocalToGlobalMapping(PetscLayout,ISLocalToGlobalMapping);
    354: PETSC_EXTERN PetscErrorCode PetscLayoutMapLocal(PetscLayout,PetscInt,const PetscInt[],PetscInt*,PetscInt**,PetscInt**);

    356: PETSC_EXTERN PetscErrorCode PetscParallelSortInt(PetscLayout, PetscLayout, PetscInt*, PetscInt*);

    358: PETSC_EXTERN PetscErrorCode ISGetLayout(IS, PetscLayout *);

    360: #endif