mpi.h.in 138 KB
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/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*  
 *  (C) 2001 by Argonne National Laboratory.
 *      See COPYRIGHT in top-level directory.
 */
/* @configure_input@ */
#ifndef MPI_INCLUDED
#define MPI_INCLUDED

/* user include file for MPI programs */

/* Keep C++ compilers from getting confused */
#if defined(__cplusplus)
extern "C" {
#endif

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#define MPICH_ATTR_WEAK_ALIAS(fname) @MPICH_ATTR_WEAK_ALIAS_DEFINITION@

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#undef MPICH_DEFINE_ATTR_TYPE_TYPES
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#if defined(__has_attribute)
#  if __has_attribute(pointer_with_type_tag) && \
      __has_attribute(type_tag_for_datatype) && \
      !defined(MPICH_NO_ATTR_TYPE_TAGS)
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#    define MPICH_DEFINE_ATTR_TYPE_TYPES 1
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#    define MPICH_ATTR_POINTER_WITH_TYPE_TAG(buffer_idx, type_idx)  __attribute__((pointer_with_type_tag(MPI,buffer_idx,type_idx)))
#    define MPICH_ATTR_TYPE_TAG(type)                               __attribute__((type_tag_for_datatype(MPI,type)))
#    define MPICH_ATTR_TYPE_TAG_LAYOUT_COMPATIBLE(type)             __attribute__((type_tag_for_datatype(MPI,type,layout_compatible)))
#    define MPICH_ATTR_TYPE_TAG_MUST_BE_NULL()                      __attribute__((type_tag_for_datatype(MPI,void,must_be_null)))
#    include <stddef.h>
#  endif
#endif

#if !defined(MPICH_ATTR_POINTER_WITH_TYPE_TAG)
#  define MPICH_ATTR_POINTER_WITH_TYPE_TAG(buffer_idx, type_idx)
#  define MPICH_ATTR_TYPE_TAG(type)
#  define MPICH_ATTR_TYPE_TAG_LAYOUT_COMPATIBLE(type)
#  define MPICH_ATTR_TYPE_TAG_MUST_BE_NULL()
#endif

#if !defined(INT8_C)
/* stdint.h was not included, see if we can get it */
#  if defined(__cplusplus)
#    if __cplusplus >= 201103
#      include <cstdint>
#    endif
#  endif
#endif

#if !defined(INT8_C)
/* stdint.h was not included, see if we can get it */
#  if defined(__STDC_VERSION__)
#    if __STDC_VERSION__ >= 199901
#      include <stdint.h>
#    endif
#  endif
#endif

#if defined(INT8_C)
/* stdint.h was included, so we can annotate these types */
#  define MPICH_ATTR_TYPE_TAG_STDINT(type) MPICH_ATTR_TYPE_TAG(type)
#else
#  define MPICH_ATTR_TYPE_TAG_STDINT(type)
#endif

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#ifdef __STDC_VERSION__ 
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#if __STDC_VERSION__ >= 199901
#  define MPICH_ATTR_TYPE_TAG_C99(type) MPICH_ATTR_TYPE_TAG(type)
#else
#  define MPICH_ATTR_TYPE_TAG_C99(type)
#endif
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#else 
#  define MPICH_ATTR_TYPE_TAG_C99(type)
#endif
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#if defined(__cplusplus)
#  define MPICH_ATTR_TYPE_TAG_CXX(type) MPICH_ATTR_TYPE_TAG(type)
#else
#  define MPICH_ATTR_TYPE_TAG_CXX(type)
#endif

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/* Define some null objects */
#define MPI_COMM_NULL      ((MPI_Comm)0x04000000)
#define MPI_OP_NULL        ((MPI_Op)0x18000000)
#define MPI_GROUP_NULL     ((MPI_Group)0x08000000)
#define MPI_DATATYPE_NULL  ((MPI_Datatype)0x0c000000)
#define MPI_REQUEST_NULL   ((MPI_Request)0x2c000000)
#define MPI_ERRHANDLER_NULL ((MPI_Errhandler)0x14000000)
#define MPI_MESSAGE_NULL   ((MPI_Message)MPI_REQUEST_NULL)
#define MPI_MESSAGE_NO_PROC ((MPI_Message)0x6c000000)

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/* Results of the compare operations. */
#define MPI_IDENT     0
#define MPI_CONGRUENT 1
#define MPI_SIMILAR   2
#define MPI_UNEQUAL   3

typedef int MPI_Datatype;
#define MPI_CHAR           ((MPI_Datatype)@MPI_CHAR@)
#define MPI_SIGNED_CHAR    ((MPI_Datatype)@MPI_SIGNED_CHAR@)
#define MPI_UNSIGNED_CHAR  ((MPI_Datatype)@MPI_UNSIGNED_CHAR@)
#define MPI_BYTE           ((MPI_Datatype)@MPI_BYTE@)
#define MPI_WCHAR          ((MPI_Datatype)@MPI_WCHAR@)
#define MPI_SHORT          ((MPI_Datatype)@MPI_SHORT@)
#define MPI_UNSIGNED_SHORT ((MPI_Datatype)@MPI_UNSIGNED_SHORT@)
#define MPI_INT            ((MPI_Datatype)@MPI_INT@)
#define MPI_UNSIGNED       ((MPI_Datatype)@MPI_UNSIGNED_INT@)
#define MPI_LONG           ((MPI_Datatype)@MPI_LONG@)
#define MPI_UNSIGNED_LONG  ((MPI_Datatype)@MPI_UNSIGNED_LONG@)
#define MPI_FLOAT          ((MPI_Datatype)@MPI_FLOAT@)
#define MPI_DOUBLE         ((MPI_Datatype)@MPI_DOUBLE@)
#define MPI_LONG_DOUBLE    ((MPI_Datatype)@MPI_LONG_DOUBLE@)
#define MPI_LONG_LONG_INT  ((MPI_Datatype)@MPI_LONG_LONG@)
#define MPI_UNSIGNED_LONG_LONG ((MPI_Datatype)@MPI_UNSIGNED_LONG_LONG@)
#define MPI_LONG_LONG      MPI_LONG_LONG_INT

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#ifdef MPICH_DEFINE_ATTR_TYPE_TYPES
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static const MPI_Datatype mpich_mpi_char               MPICH_ATTR_TYPE_TAG(char)               = MPI_CHAR;
static const MPI_Datatype mpich_mpi_signed_char        MPICH_ATTR_TYPE_TAG(signed char)        = MPI_SIGNED_CHAR;
static const MPI_Datatype mpich_mpi_unsigned_char      MPICH_ATTR_TYPE_TAG(unsigned char)      = MPI_UNSIGNED_CHAR;
/*static const MPI_Datatype mpich_mpi_byte               MPICH_ATTR_TYPE_TAG(char)               = MPI_BYTE;*/
static const MPI_Datatype mpich_mpi_wchar              MPICH_ATTR_TYPE_TAG(wchar_t)            = MPI_WCHAR;
static const MPI_Datatype mpich_mpi_short              MPICH_ATTR_TYPE_TAG(short)              = MPI_SHORT;
static const MPI_Datatype mpich_mpi_unsigned_short     MPICH_ATTR_TYPE_TAG(unsigned short)     = MPI_UNSIGNED_SHORT;
static const MPI_Datatype mpich_mpi_int                MPICH_ATTR_TYPE_TAG(int)                = MPI_INT;
static const MPI_Datatype mpich_mpi_unsigned           MPICH_ATTR_TYPE_TAG(unsigned)           = MPI_UNSIGNED;
static const MPI_Datatype mpich_mpi_long               MPICH_ATTR_TYPE_TAG(long)               = MPI_LONG;
static const MPI_Datatype mpich_mpi_unsigned_long      MPICH_ATTR_TYPE_TAG(unsigned long)      = MPI_UNSIGNED_LONG;
static const MPI_Datatype mpich_mpi_float              MPICH_ATTR_TYPE_TAG(float)              = MPI_FLOAT;
static const MPI_Datatype mpich_mpi_double             MPICH_ATTR_TYPE_TAG(double)             = MPI_DOUBLE;
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#if @MPI_LONG_DOUBLE@ != 0x0c000000
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static const MPI_Datatype mpich_mpi_long_double        MPICH_ATTR_TYPE_TAG(long double)        = MPI_LONG_DOUBLE;
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#endif
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static const MPI_Datatype mpich_mpi_long_long_int      MPICH_ATTR_TYPE_TAG(long long int)      = MPI_LONG_LONG_INT;
static const MPI_Datatype mpich_mpi_unsigned_long_long MPICH_ATTR_TYPE_TAG(unsigned long long) = MPI_UNSIGNED_LONG_LONG;
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#endif
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#define MPI_PACKED         ((MPI_Datatype)@MPI_PACKED@)
#define MPI_LB             ((MPI_Datatype)@MPI_LB@)
#define MPI_UB             ((MPI_Datatype)@MPI_UB@)

/* 
   The layouts for the types MPI_DOUBLE_INT etc are simply
   struct { 
       double var;
       int    loc;
   }
   This is documented in the man pages on the various datatypes.   
 */
#define MPI_FLOAT_INT         ((MPI_Datatype)@MPI_FLOAT_INT@)
#define MPI_DOUBLE_INT        ((MPI_Datatype)@MPI_DOUBLE_INT@)
#define MPI_LONG_INT          ((MPI_Datatype)@MPI_LONG_INT@)
#define MPI_SHORT_INT         ((MPI_Datatype)@MPI_SHORT_INT@)
#define MPI_2INT              ((MPI_Datatype)@MPI_2INT@)
#define MPI_LONG_DOUBLE_INT   ((MPI_Datatype)@MPI_LONG_DOUBLE_INT@)

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#ifdef MPICH_DEFINE_ATTR_TYPE_TYPES
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struct mpich_struct_mpi_float_int       { float f; int i; };
struct mpich_struct_mpi_double_int      { double d; int i; };
struct mpich_struct_mpi_long_int        { long l; int i; };
struct mpich_struct_mpi_short_int       { short s; int i; };
struct mpich_struct_mpi_2int            { int i1; int i2; };
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#if @MPI_LONG_DOUBLE_INT@ != 0x0c000000
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struct mpich_struct_mpi_long_double_int { long double ld; int i; };
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#endif
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static const MPI_Datatype mpich_mpi_float_int       MPICH_ATTR_TYPE_TAG_LAYOUT_COMPATIBLE(struct mpich_struct_mpi_float_int)       = MPI_FLOAT_INT;
static const MPI_Datatype mpich_mpi_double_int      MPICH_ATTR_TYPE_TAG_LAYOUT_COMPATIBLE(struct mpich_struct_mpi_double_int)      = MPI_DOUBLE_INT;
static const MPI_Datatype mpich_mpi_long_int        MPICH_ATTR_TYPE_TAG_LAYOUT_COMPATIBLE(struct mpich_struct_mpi_long_int)        = MPI_LONG_INT;
static const MPI_Datatype mpich_mpi_short_int       MPICH_ATTR_TYPE_TAG_LAYOUT_COMPATIBLE(struct mpich_struct_mpi_short_int)       = MPI_SHORT_INT;
static const MPI_Datatype mpich_mpi_2int            MPICH_ATTR_TYPE_TAG_LAYOUT_COMPATIBLE(struct mpich_struct_mpi_2int)            = MPI_2INT;
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#if @MPI_LONG_DOUBLE_INT@ != 0x0c000000
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static const MPI_Datatype mpich_mpi_long_double_int MPICH_ATTR_TYPE_TAG_LAYOUT_COMPATIBLE(struct mpich_struct_mpi_long_double_int) = MPI_LONG_DOUBLE_INT;
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#endif
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#endif
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/* Fortran types */
#define MPI_COMPLEX           ((MPI_Datatype)@MPI_COMPLEX@)
#define MPI_DOUBLE_COMPLEX    ((MPI_Datatype)@MPI_DOUBLE_COMPLEX@)
#define MPI_LOGICAL           ((MPI_Datatype)@MPI_LOGICAL@)
#define MPI_REAL              ((MPI_Datatype)@MPI_REAL@)
#define MPI_DOUBLE_PRECISION  ((MPI_Datatype)@MPI_DOUBLE_PRECISION@)
#define MPI_INTEGER           ((MPI_Datatype)@MPI_INTEGER@)
#define MPI_2INTEGER          ((MPI_Datatype)@MPI_2INTEGER@)
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/* 
 * MPI_2COMPLEX and MPI_2DOUBLE_COMPLEX were defined by accident in 
 * MPI 1.0 and removed in MPI 1.1.  
 *
 * This definition provides backward compatibility.  These definitions
 * will be removed in a subsequent MPICH release
 */
#ifdef MPICH_DEFINE_2COMPLEX
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#define MPI_2COMPLEX          ((MPI_Datatype)@MPI_2COMPLEX@)
#define MPI_2DOUBLE_COMPLEX   ((MPI_Datatype)@MPI_2DOUBLE_COMPLEX@)
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#endif 
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#define MPI_2REAL             ((MPI_Datatype)@MPI_2REAL@)
#define MPI_2DOUBLE_PRECISION ((MPI_Datatype)@MPI_2DOUBLE_PRECISION@)
#define MPI_CHARACTER         ((MPI_Datatype)@MPI_CHARACTER@)

/* Size-specific types (see MPI-2, 10.2.5) */
#define MPI_REAL4             ((MPI_Datatype)@MPI_REAL4@)
#define MPI_REAL8             ((MPI_Datatype)@MPI_REAL8@)
#define MPI_REAL16            ((MPI_Datatype)@MPI_REAL16@)
#define MPI_COMPLEX8          ((MPI_Datatype)@MPI_COMPLEX8@)
#define MPI_COMPLEX16         ((MPI_Datatype)@MPI_COMPLEX16@)
#define MPI_COMPLEX32         ((MPI_Datatype)@MPI_COMPLEX32@)
#define MPI_INTEGER1          ((MPI_Datatype)@MPI_INTEGER1@)
#define MPI_INTEGER2          ((MPI_Datatype)@MPI_INTEGER2@)
#define MPI_INTEGER4          ((MPI_Datatype)@MPI_INTEGER4@)
#define MPI_INTEGER8          ((MPI_Datatype)@MPI_INTEGER8@)
#define MPI_INTEGER16         ((MPI_Datatype)@MPI_INTEGER16@)

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/* C99 fixed-width datatypes */
#define MPI_INT8_T            ((MPI_Datatype)@MPI_INT8_T@)
#define MPI_INT16_T           ((MPI_Datatype)@MPI_INT16_T@)
#define MPI_INT32_T           ((MPI_Datatype)@MPI_INT32_T@)
#define MPI_INT64_T           ((MPI_Datatype)@MPI_INT64_T@)
#define MPI_UINT8_T           ((MPI_Datatype)@MPI_UINT8_T@)
#define MPI_UINT16_T          ((MPI_Datatype)@MPI_UINT16_T@)
#define MPI_UINT32_T          ((MPI_Datatype)@MPI_UINT32_T@)
#define MPI_UINT64_T          ((MPI_Datatype)@MPI_UINT64_T@)

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#ifdef MPICH_DEFINE_ATTR_TYPE_TYPES
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static const MPI_Datatype mpich_mpi_int8_t   MPICH_ATTR_TYPE_TAG_STDINT(int8_t)   = MPI_INT8_T;
static const MPI_Datatype mpich_mpi_int16_t  MPICH_ATTR_TYPE_TAG_STDINT(int16_t)  = MPI_INT16_T;
static const MPI_Datatype mpich_mpi_int32_t  MPICH_ATTR_TYPE_TAG_STDINT(int32_t)  = MPI_INT32_T;
static const MPI_Datatype mpich_mpi_int64_t  MPICH_ATTR_TYPE_TAG_STDINT(int64_t)  = MPI_INT64_T;
static const MPI_Datatype mpich_mpi_uint8_t  MPICH_ATTR_TYPE_TAG_STDINT(uint8_t)  = MPI_UINT8_T;
static const MPI_Datatype mpich_mpi_uint16_t MPICH_ATTR_TYPE_TAG_STDINT(uint16_t) = MPI_UINT16_T;
static const MPI_Datatype mpich_mpi_uint32_t MPICH_ATTR_TYPE_TAG_STDINT(uint32_t) = MPI_UINT32_T;
static const MPI_Datatype mpich_mpi_uint64_t MPICH_ATTR_TYPE_TAG_STDINT(uint64_t) = MPI_UINT64_T;
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#endif
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/* other C99 types */
#define MPI_C_BOOL                 ((MPI_Datatype)@MPI_C_BOOL@)
#define MPI_C_FLOAT_COMPLEX        ((MPI_Datatype)@MPI_C_FLOAT_COMPLEX@)
#define MPI_C_COMPLEX              MPI_C_FLOAT_COMPLEX
#define MPI_C_DOUBLE_COMPLEX       ((MPI_Datatype)@MPI_C_DOUBLE_COMPLEX@)
#define MPI_C_LONG_DOUBLE_COMPLEX  ((MPI_Datatype)@MPI_C_LONG_DOUBLE_COMPLEX@)

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#ifdef MPICH_DEFINE_ATTR_TYPE_TYPES
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static const MPI_Datatype mpich_mpi_c_bool                MPICH_ATTR_TYPE_TAG_C99(_Bool)           = MPI_C_BOOL;
static const MPI_Datatype mpich_mpi_c_float_complex       MPICH_ATTR_TYPE_TAG_C99(float _Complex)  = MPI_C_FLOAT_COMPLEX;
static const MPI_Datatype mpich_mpi_c_double_complex      MPICH_ATTR_TYPE_TAG_C99(double _Complex) = MPI_C_DOUBLE_COMPLEX;
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#if @MPI_C_LONG_DOUBLE_COMPLEX@ != 0x0c000000
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static const MPI_Datatype mpich_mpi_c_long_double_complex MPICH_ATTR_TYPE_TAG_C99(long double _Complex) = MPI_C_LONG_DOUBLE_COMPLEX;
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#endif
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#endif
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/* address/offset types */
#define MPI_AINT          ((MPI_Datatype)@MPI_AINT_DATATYPE@)
#define MPI_OFFSET        ((MPI_Datatype)@MPI_OFFSET_DATATYPE@)
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#define MPI_COUNT         ((MPI_Datatype)@MPI_COUNT_DATATYPE@)
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/* MPI-3 C++ types */
#define MPI_CXX_BOOL                ((MPI_Datatype)@MPIR_CXX_BOOL@)
#define MPI_CXX_FLOAT_COMPLEX       ((MPI_Datatype)@MPIR_CXX_COMPLEX@)
#define MPI_CXX_DOUBLE_COMPLEX      ((MPI_Datatype)@MPIR_CXX_DOUBLE_COMPLEX@)
#define MPI_CXX_LONG_DOUBLE_COMPLEX ((MPI_Datatype)@MPIR_CXX_LONG_DOUBLE_COMPLEX@)

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/* typeclasses */
#define MPI_TYPECLASS_REAL 1
#define MPI_TYPECLASS_INTEGER 2
#define MPI_TYPECLASS_COMPLEX 3

/* Communicators */
typedef int MPI_Comm;
#define MPI_COMM_WORLD ((MPI_Comm)0x44000000)
#define MPI_COMM_SELF  ((MPI_Comm)0x44000001)

/* Groups */
typedef int MPI_Group;
#define MPI_GROUP_EMPTY ((MPI_Group)0x48000000)

/* RMA and Windows */
typedef int MPI_Win;
#define MPI_WIN_NULL ((MPI_Win)0x20000000)

/* File and IO */
/* This define lets ROMIO know that MPI_File has been defined */
#define MPI_FILE_DEFINED
/* ROMIO uses a pointer for MPI_File objects.  This must be the same definition
   as in src/mpi/romio/include/mpio.h.in  */
typedef struct ADIOI_FileD *MPI_File;
#define MPI_FILE_NULL ((MPI_File)0)

/* Collective operations */
typedef int MPI_Op;

#define MPI_MAX     (MPI_Op)(0x58000001)
#define MPI_MIN     (MPI_Op)(0x58000002)
#define MPI_SUM     (MPI_Op)(0x58000003)
#define MPI_PROD    (MPI_Op)(0x58000004)
#define MPI_LAND    (MPI_Op)(0x58000005)
#define MPI_BAND    (MPI_Op)(0x58000006)
#define MPI_LOR     (MPI_Op)(0x58000007)
#define MPI_BOR     (MPI_Op)(0x58000008)
#define MPI_LXOR    (MPI_Op)(0x58000009)
#define MPI_BXOR    (MPI_Op)(0x5800000a)
#define MPI_MINLOC  (MPI_Op)(0x5800000b)
#define MPI_MAXLOC  (MPI_Op)(0x5800000c)
#define MPI_REPLACE (MPI_Op)(0x5800000d)
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#define MPI_NO_OP   (MPI_Op)(0x5800000e)
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/* Permanent key values */
/* C Versions (return pointer to value),
   Fortran Versions (return integer value).
   Handled directly by the attribute value routine
   
   DO NOT CHANGE THESE.  The values encode:
   builtin kind (0x1 in bit 30-31)
   Keyval object (0x9 in bits 26-29)
   for communicator (0x1 in bits 22-25)
   
   Fortran versions of the attributes are formed by adding one to
   the C version.
 */
#define MPI_TAG_UB           0x64400001
#define MPI_HOST             0x64400003
#define MPI_IO               0x64400005
#define MPI_WTIME_IS_GLOBAL  0x64400007
#define MPI_UNIVERSE_SIZE    0x64400009
#define MPI_LASTUSEDCODE     0x6440000b
#define MPI_APPNUM           0x6440000d

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/* In addition, there are 5 predefined window attributes that are
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   defined for every window */
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#define MPI_WIN_BASE          0x66000001
#define MPI_WIN_SIZE          0x66000003
#define MPI_WIN_DISP_UNIT     0x66000005
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#define MPI_WIN_CREATE_FLAVOR 0x66000007
#define MPI_WIN_MODEL         0x66000009
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#ifdef MPICH_DEFINE_ATTR_TYPE_TYPES
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static const MPI_Datatype mpich_mpi_datatype_null MPICH_ATTR_TYPE_TAG_MUST_BE_NULL() = MPI_DATATYPE_NULL;
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#endif
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/* These are only guesses; make sure you change them in mpif.h as well */
#define MPI_MAX_PROCESSOR_NAME @MPI_MAX_PROCESSOR_NAME@
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#define MPI_MAX_LIBRARY_VERSION_STRING @MPI_MAX_LIBRARY_VERSION_STRING@
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#define MPI_MAX_ERROR_STRING   @MPI_MAX_ERROR_STRING@
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#define MPI_MAX_PORT_NAME      256
#define MPI_MAX_OBJECT_NAME    128

/* Pre-defined constants */
#define MPI_UNDEFINED      (-32766)
#define MPI_KEYVAL_INVALID 0x24000000

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/* MPI-3 window flavors */
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typedef enum MPIR_Win_flavor {
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    MPI_WIN_FLAVOR_CREATE      = 1,
    MPI_WIN_FLAVOR_ALLOCATE    = 2,
    MPI_WIN_FLAVOR_DYNAMIC     = 3,
    MPI_WIN_FLAVOR_SHARED      = 4
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} MPIR_Win_flavor_t;
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/* MPI-3 window consistency models */
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typedef enum MPIR_Win_model {
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    MPI_WIN_SEPARATE   = 1,
    MPI_WIN_UNIFIED    = 2
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} MPIR_Win_model_t;
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/* Upper bound on the overhead in bsend for each message buffer */
#define MPI_BSEND_OVERHEAD @BSEND_OVERHEAD@

/* Topology types */
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typedef enum MPIR_Topo_type { MPI_GRAPH=1, MPI_CART=2, MPI_DIST_GRAPH=3 } MPIR_Topo_type;
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#define MPI_BOTTOM      (void *)0
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extern int * const MPI_UNWEIGHTED;
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extern int * const MPI_WEIGHTS_EMPTY;
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#define MPI_PROC_NULL   (-1)
#define MPI_ANY_SOURCE 	(-2)
#define MPI_ROOT        (-3)
#define MPI_ANY_TAG     (-1)

#define MPI_LOCK_EXCLUSIVE  234
#define MPI_LOCK_SHARED     235

/* C functions */
typedef void (MPI_Handler_function) ( MPI_Comm *, int *, ... );
typedef int (MPI_Comm_copy_attr_function)(MPI_Comm, int, void *, void *, 
					  void *, int *);
typedef int (MPI_Comm_delete_attr_function)(MPI_Comm, int, void *, void *);
typedef int (MPI_Type_copy_attr_function)(MPI_Datatype, int, void *, void *, 
					  void *, int *);
typedef int (MPI_Type_delete_attr_function)(MPI_Datatype, int, void *, void *);
typedef int (MPI_Win_copy_attr_function)(MPI_Win, int, void *, void *, void *,
					 int *);
typedef int (MPI_Win_delete_attr_function)(MPI_Win, int, void *, void *);
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/* added in MPI-2.2 */
typedef void (MPI_Comm_errhandler_function)(MPI_Comm *, int *, ...);
typedef void (MPI_File_errhandler_function)(MPI_File *, int *, ...);
typedef void (MPI_Win_errhandler_function)(MPI_Win *, int *, ...);
/* names that were added in MPI-2.0 and deprecated in MPI-2.2 */
typedef MPI_Comm_errhandler_function MPI_Comm_errhandler_fn;
typedef MPI_File_errhandler_function MPI_File_errhandler_fn;
typedef MPI_Win_errhandler_function MPI_Win_errhandler_fn;
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/* Built in (0x1 in 30-31), errhandler (0x5 in bits 26-29, allkind (0
   in 22-25), index in the low bits */
#define MPI_ERRORS_ARE_FATAL ((MPI_Errhandler)0x54000000)
#define MPI_ERRORS_RETURN    ((MPI_Errhandler)0x54000001)
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/* MPIR_ERRORS_THROW_EXCEPTIONS is not part of the MPI standard, it is here to
   facilitate the c++ binding which has MPI::ERRORS_THROW_EXCEPTIONS. 
   Using the MPIR prefix preserved the MPI_ names for objects defined by
   the standard. */
#define MPIR_ERRORS_THROW_EXCEPTIONS ((MPI_Errhandler)0x54000002)
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typedef int MPI_Errhandler;

/* Make the C names for the dup function mixed case.
   This is required for systems that use all uppercase names for Fortran 
   externals.  */
/* MPI 1 names */
#define MPI_NULL_COPY_FN   ((MPI_Copy_function *)0)
#define MPI_NULL_DELETE_FN ((MPI_Delete_function *)0)
#define MPI_DUP_FN         MPIR_Dup_fn
/* MPI 2 names */
#define MPI_COMM_NULL_COPY_FN ((MPI_Comm_copy_attr_function*)0)
#define MPI_COMM_NULL_DELETE_FN ((MPI_Comm_delete_attr_function*)0)
#define MPI_COMM_DUP_FN  ((MPI_Comm_copy_attr_function *)MPI_DUP_FN)
#define MPI_WIN_NULL_COPY_FN ((MPI_Win_copy_attr_function*)0)
#define MPI_WIN_NULL_DELETE_FN ((MPI_Win_delete_attr_function*)0)
#define MPI_WIN_DUP_FN   ((MPI_Win_copy_attr_function*)MPI_DUP_FN)
#define MPI_TYPE_NULL_COPY_FN ((MPI_Type_copy_attr_function*)0)
#define MPI_TYPE_NULL_DELETE_FN ((MPI_Type_delete_attr_function*)0)
#define MPI_TYPE_DUP_FN ((MPI_Type_copy_attr_function*)MPI_DUP_FN)

/* MPI request opjects */
typedef int MPI_Request;

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/* MPI message objects for Mprobe and related functions */
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typedef int MPI_Message;
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/* User combination function */
typedef void (MPI_User_function) ( void *, void *, int *, MPI_Datatype * ); 

/* MPI Attribute copy and delete functions */
typedef int (MPI_Copy_function) ( MPI_Comm, int, void *, void *, void *, int * );
typedef int (MPI_Delete_function) ( MPI_Comm, int, void *, void * );

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#define MPI_VERSION    3
#define MPI_SUBVERSION 0
#define MPICH_NAME     3
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#define MPICH         1
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#define MPICH_HAS_C2F  1
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/* MPICH_VERSION is the version string. MPICH_NUMVERSION is the
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 * numeric version that can be used in numeric comparisons.
 *
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 * MPICH_VERSION uses the following format:
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 * Version: [MAJ].[MIN].[REV][EXT][EXT_NUMBER]
 * Example: 1.0.7rc1 has
 *          MAJ = 1
 *          MIN = 0
 *          REV = 7
 *          EXT = rc
 *          EXT_NUMBER = 1
 *
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 * MPICH_NUMVERSION will convert EXT to a format number:
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 *          ALPHA (a) = 0
 *          BETA (b)  = 1
 *          RC (rc)   = 2
 *          PATCH (p) = 3
 * Regular releases are treated as patch 0
 *
 * Numeric version will have 1 digit for MAJ, 2 digits for MIN, 2
 * digits for REV, 1 digit for EXT and 2 digits for EXT_NUMBER. So,
 * 1.0.7rc1 will have the numeric version 10007201.
 */
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#define MPICH_VERSION "@MPICH_VERSION@"
#define MPICH_NUMVERSION @MPICH_NUMVERSION@
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#define MPICH_RELEASE_TYPE_ALPHA  0
#define MPICH_RELEASE_TYPE_BETA   1
#define MPICH_RELEASE_TYPE_RC     2
#define MPICH_RELEASE_TYPE_PATCH  3
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#define MPICH_CALC_VERSION(MAJOR, MINOR, REVISION, TYPE, PATCH) \
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    (((MAJOR) * 10000000) + ((MINOR) * 100000) + ((REVISION) * 1000) + ((TYPE) * 100) + (PATCH))
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/* for the datatype decoders */
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enum MPIR_Combiner_enum {
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    MPI_COMBINER_NAMED            = 1,
    MPI_COMBINER_DUP              = 2,
    MPI_COMBINER_CONTIGUOUS       = 3, 
    MPI_COMBINER_VECTOR           = 4,
    MPI_COMBINER_HVECTOR_INTEGER  = 5,
    MPI_COMBINER_HVECTOR          = 6,
    MPI_COMBINER_INDEXED          = 7,
    MPI_COMBINER_HINDEXED_INTEGER = 8, 
    MPI_COMBINER_HINDEXED         = 9, 
    MPI_COMBINER_INDEXED_BLOCK    = 10, 
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    MPI_COMBINER_HINDEXED_BLOCK   = 11,
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    MPI_COMBINER_STRUCT_INTEGER   = 12,
    MPI_COMBINER_STRUCT           = 13,
    MPI_COMBINER_SUBARRAY         = 14,
    MPI_COMBINER_DARRAY           = 15,
    MPI_COMBINER_F90_REAL         = 16,
    MPI_COMBINER_F90_COMPLEX      = 17,
    MPI_COMBINER_F90_INTEGER      = 18,
    MPI_COMBINER_RESIZED          = 19
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};

/* for info */
typedef int MPI_Info;
#define MPI_INFO_NULL         ((MPI_Info)0x1c000000)
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#define MPI_INFO_ENV          ((MPI_Info)0x5c000001)
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#define MPI_MAX_INFO_KEY       255
#define MPI_MAX_INFO_VAL      1024

/* for subarray and darray constructors */
#define MPI_ORDER_C              56
#define MPI_ORDER_FORTRAN        57
#define MPI_DISTRIBUTE_BLOCK    121
#define MPI_DISTRIBUTE_CYCLIC   122
#define MPI_DISTRIBUTE_NONE     123
#define MPI_DISTRIBUTE_DFLT_DARG -49767

#define MPI_IN_PLACE  (void *) -1

/* asserts for one-sided communication */
#define MPI_MODE_NOCHECK      1024
#define MPI_MODE_NOSTORE      2048
#define MPI_MODE_NOPUT        4096
#define MPI_MODE_NOPRECEDE    8192
#define MPI_MODE_NOSUCCEED   16384 

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/* predefined types for MPI_Comm_split_type */
#define MPI_COMM_TYPE_SHARED    1
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/* Definitions that are determined by configure. */
typedef @MPI_AINT@ MPI_Aint;
typedef @MPI_FINT@ MPI_Fint;
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typedef @MPI_COUNT@ MPI_Count;
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#ifdef MPICH_DEFINE_ATTR_TYPE_TYPES
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static const MPI_Datatype mpich_mpi_aint   MPICH_ATTR_TYPE_TAG(MPI_Aint)   = MPI_AINT;
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#endif
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/* FIXME: The following two definition are not defined by MPI and must not be
   included in the mpi.h file, as the MPI namespace is reserved to the MPI 
   standard */
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#define MPI_AINT_FMT_DEC_SPEC "@MPI_AINT_FMT_DEC_SPEC@"
#define MPI_AINT_FMT_HEX_SPEC "@MPI_AINT_FMT_HEX_SPEC@"

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/* Let ROMIO know that MPI_Offset is already defined */
#define HAVE_MPI_OFFSET
/* MPI_OFFSET_TYPEDEF is set in configure and is 
      typedef $MPI_OFFSET MPI_Offset;
   where $MPI_OFFSET is the correct C type */
@MPI_OFFSET_TYPEDEF@

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#ifdef MPICH_DEFINE_ATTR_TYPE_TYPES
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static const MPI_Datatype mpich_mpi_offset MPICH_ATTR_TYPE_TAG(MPI_Offset) = MPI_OFFSET;
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#endif
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/* The order of these elements must match that in mpif.h */
typedef struct MPI_Status {
    int MPI_SOURCE;
    int MPI_TAG;
    int MPI_ERROR;
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    MPI_Count count;
    int cancelled;
    int abi_slush_fund[2];
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    @EXTRA_STATUS_DECL@
} MPI_Status;

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/* types for the MPI_T_ interface */
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struct MPIR_T_enum;
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typedef struct MPIR_T_enum * MPI_T_enum;
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struct MPIR_T_cvar_handle;
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typedef struct MPIR_T_cvar_handle * MPI_T_cvar_handle;
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struct MPIR_T_pvar_handle;
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typedef struct MPIR_T_pvar_handle * MPI_T_pvar_handle;
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struct MPIR_T_pvar_session;
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typedef struct MPIR_T_pvar_session * MPI_T_pvar_session;
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/* extra const at front would be safer, but is incompatible with MPI_T_ prototypes */
extern struct MPIR_T_pvar_handle * const MPI_T_PVAR_ALL_HANDLES;
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#define MPI_T_ENUM_NULL         ((MPI_T_enum)NULL)
#define MPI_T_CVAR_HANDLE_NULL  ((MPI_T_cvar_handle)NULL)
#define MPI_T_PVAR_HANDLE_NULL  ((MPI_T_pvar_handle)NULL)
#define MPI_T_PVAR_SESSION_NULL ((MPI_T_pvar_session)NULL)
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/* the MPI_T_ interface requires that these VERBOSITY constants occur in this
 * relative order with increasing values */
enum MPIR_T_verbosity_t {
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    /* don't name-shift this if/when MPI_T_ is accepted, this is an MPICH-only
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     * extension */
    MPIX_T_VERBOSITY_INVALID = 0,

    /* arbitrarily shift values to aid debugging and reduce accidental errors */
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    MPI_T_VERBOSITY_USER_BASIC = 221,
    MPI_T_VERBOSITY_USER_DETAIL,
    MPI_T_VERBOSITY_USER_ALL,
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    MPI_T_VERBOSITY_TUNER_BASIC,
    MPI_T_VERBOSITY_TUNER_DETAIL,
    MPI_T_VERBOSITY_TUNER_ALL,
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    MPI_T_VERBOSITY_MPIDEV_BASIC,
    MPI_T_VERBOSITY_MPIDEV_DETAIL,
    MPI_T_VERBOSITY_MPIDEV_ALL
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};

enum MPIR_T_bind_t {
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    /* don't name-shift this if/when MPI_T_ is accepted, this is an MPICH-only
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     * extension */
    MPIX_T_BIND_INVALID = 0,

    /* arbitrarily shift values to aid debugging and reduce accidental errors */
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    MPI_T_BIND_NO_OBJECT = 9700,
    MPI_T_BIND_MPI_COMM,
    MPI_T_BIND_MPI_DATATYPE,
    MPI_T_BIND_MPI_ERRHANDLER,
    MPI_T_BIND_MPI_FILE,
    MPI_T_BIND_MPI_GROUP,
    MPI_T_BIND_MPI_OP,
    MPI_T_BIND_MPI_REQUEST,
    MPI_T_BIND_MPI_WIN,
    MPI_T_BIND_MPI_MESSAGE,
    MPI_T_BIND_MPI_INFO
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};

enum MPIR_T_scope_t {
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    /* don't name-shift this if/when MPI_T_ is accepted, this is an MPICH-only
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     * extension */
    MPIX_T_SCOPE_INVALID = 0,

    /* arbitrarily shift values to aid debugging and reduce accidental errors */
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    MPI_T_SCOPE_CONSTANT = 60438,
    MPI_T_SCOPE_READONLY,
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    MPI_T_SCOPE_LOCAL,
    MPI_T_SCOPE_GROUP,
    MPI_T_SCOPE_GROUP_EQ,
    MPI_T_SCOPE_ALL,
    MPI_T_SCOPE_ALL_EQ
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};

enum MPIR_T_pvar_class_t {
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    /* don't name-shift this if/when MPI_T_ is accepted, this is an MPICH-only
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     * extension */
    MPIX_T_PVAR_CLASS_INVALID = 0,

    /* arbitrarily shift values to aid debugging and reduce accidental errors */
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    MPI_T_PVAR_CLASS_STATE = 240,
    MPI_T_PVAR_CLASS_LEVEL,
    MPI_T_PVAR_CLASS_SIZE,
    MPI_T_PVAR_CLASS_PERCENTAGE,
    MPI_T_PVAR_CLASS_HIGHWATERMARK,
    MPI_T_PVAR_CLASS_LOWWATERMARK,
    MPI_T_PVAR_CLASS_COUNTER,
    MPI_T_PVAR_CLASS_AGGREGATE,
    MPI_T_PVAR_CLASS_TIMER,
    MPI_T_PVAR_CLASS_GENERIC
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};

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/* Handle conversion types/functions */

/* Programs that need to convert types used in MPICH should use these */
#define MPI_Comm_c2f(comm) (MPI_Fint)(comm)
#define MPI_Comm_f2c(comm) (MPI_Comm)(comm)
#define MPI_Type_c2f(datatype) (MPI_Fint)(datatype)
#define MPI_Type_f2c(datatype) (MPI_Datatype)(datatype)
#define MPI_Group_c2f(group) (MPI_Fint)(group)
#define MPI_Group_f2c(group) (MPI_Group)(group)
#define MPI_Info_c2f(info) (MPI_Fint)(info)
#define MPI_Info_f2c(info) (MPI_Info)(info)
#define MPI_Request_f2c(request) (MPI_Request)(request)
#define MPI_Request_c2f(request) (MPI_Fint)(request)
#define MPI_Op_c2f(op) (MPI_Fint)(op)
#define MPI_Op_f2c(op) (MPI_Op)(op)
#define MPI_Errhandler_c2f(errhandler) (MPI_Fint)(errhandler)
#define MPI_Errhandler_f2c(errhandler) (MPI_Errhandler)(errhandler)
#define MPI_Win_c2f(win)   (MPI_Fint)(win)
#define MPI_Win_f2c(win)   (MPI_Win)(win)
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#define MPI_Message_c2f(msg) ((MPI_Fint)(msg))
#define MPI_Message_f2c(msg) ((MPI_Message)(msg))
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/* PMPI versions of the handle transfer functions.  See section 4.17 */
#define PMPI_Comm_c2f(comm) (MPI_Fint)(comm)
#define PMPI_Comm_f2c(comm) (MPI_Comm)(comm)
#define PMPI_Type_c2f(datatype) (MPI_Fint)(datatype)
#define PMPI_Type_f2c(datatype) (MPI_Datatype)(datatype)
#define PMPI_Group_c2f(group) (MPI_Fint)(group)
#define PMPI_Group_f2c(group) (MPI_Group)(group)
#define PMPI_Info_c2f(info) (MPI_Fint)(info)
#define PMPI_Info_f2c(info) (MPI_Info)(info)
#define PMPI_Request_f2c(request) (MPI_Request)(request)
#define PMPI_Request_c2f(request) (MPI_Fint)(request)
#define PMPI_Op_c2f(op) (MPI_Fint)(op)
#define PMPI_Op_f2c(op) (MPI_Op)(op)
#define PMPI_Errhandler_c2f(errhandler) (MPI_Fint)(errhandler)
#define PMPI_Errhandler_f2c(errhandler) (MPI_Errhandler)(errhandler)
#define PMPI_Win_c2f(win)   (MPI_Fint)(win)
#define PMPI_Win_f2c(win)   (MPI_Win)(win)
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#define PMPI_Message_c2f(msg) ((MPI_Fint)(msg))
#define PMPI_Message_f2c(msg) ((MPI_Message)(msg))
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#define MPI_STATUS_IGNORE (MPI_Status *)1
#define MPI_STATUSES_IGNORE (MPI_Status *)1
#define MPI_ERRCODES_IGNORE (int *)0

/* See 4.12.5 for MPI_F_STATUS(ES)_IGNORE */
@MPIU_DLL_SPEC_DEF@
extern MPIU_DLL_SPEC MPI_Fint * MPI_F_STATUS_IGNORE;
extern MPIU_DLL_SPEC MPI_Fint * MPI_F_STATUSES_IGNORE;
/* The annotation MPIU_DLL_SPEC to the extern statements is used 
   as a hook for systems that require C extensions to correctly construct
   DLLs, and is defined as an empty string otherwise
 */

/* The MPI standard requires that the ARGV_NULL values be the same as
   NULL (see 5.3.2) */
#define MPI_ARGV_NULL (char **)0
#define MPI_ARGVS_NULL (char ***)0

/* For supported thread levels */
#define MPI_THREAD_SINGLE 0
#define MPI_THREAD_FUNNELED 1
#define MPI_THREAD_SERIALIZED 2
#define MPI_THREAD_MULTIPLE 3

/* Typedefs for generalized requests */
typedef int (MPI_Grequest_cancel_function)(void *, int); 
typedef int (MPI_Grequest_free_function)(void *); 
typedef int (MPI_Grequest_query_function)(void *, MPI_Status *); 
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typedef int (MPIX_Grequest_poll_function)(void *, MPI_Status *);
typedef int (MPIX_Grequest_wait_function)(int, void **, double, MPI_Status *);
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/* MPI's error classes */
#define MPI_SUCCESS          0      /* Successful return code */
/* Communication argument parameters */
#define MPI_ERR_BUFFER       1      /* Invalid buffer pointer */
#define MPI_ERR_COUNT        2      /* Invalid count argument */
#define MPI_ERR_TYPE         3      /* Invalid datatype argument */
#define MPI_ERR_TAG          4      /* Invalid tag argument */
#define MPI_ERR_COMM         5      /* Invalid communicator */
#define MPI_ERR_RANK         6      /* Invalid rank */
#define MPI_ERR_ROOT         7      /* Invalid root */
#define MPI_ERR_TRUNCATE    14      /* Message truncated on receive */

/* MPI Objects (other than COMM) */
#define MPI_ERR_GROUP        8      /* Invalid group */
#define MPI_ERR_OP           9      /* Invalid operation */
#define MPI_ERR_REQUEST     19      /* Invalid mpi_request handle */

/* Special topology argument parameters */
#define MPI_ERR_TOPOLOGY    10      /* Invalid topology */
#define MPI_ERR_DIMS        11      /* Invalid dimension argument */

/* All other arguments.  This is a class with many kinds */
#define MPI_ERR_ARG         12      /* Invalid argument */

/* Other errors that are not simply an invalid argument */
#define MPI_ERR_OTHER       15      /* Other error; use Error_string */

#define MPI_ERR_UNKNOWN     13      /* Unknown error */
#define MPI_ERR_INTERN      16      /* Internal error code    */

/* Multiple completion has two special error classes */
#define MPI_ERR_IN_STATUS   17      /* Look in status for error value */
#define MPI_ERR_PENDING     18      /* Pending request */

/* New MPI-2 Error classes */
#define MPI_ERR_FILE        27      /* */
#define MPI_ERR_ACCESS      20      /* */
#define MPI_ERR_AMODE       21      /* */
#define MPI_ERR_BAD_FILE    22      /* */
#define MPI_ERR_FILE_EXISTS 25      /* */
#define MPI_ERR_FILE_IN_USE 26      /* */
#define MPI_ERR_NO_SPACE    36      /* */
#define MPI_ERR_NO_SUCH_FILE 37     /* */
#define MPI_ERR_IO          32      /* */
#define MPI_ERR_READ_ONLY   40      /* */
#define MPI_ERR_CONVERSION  23      /* */
#define MPI_ERR_DUP_DATAREP 24      /* */
#define MPI_ERR_UNSUPPORTED_DATAREP   43  /* */

/* MPI_ERR_INFO is NOT defined in the MPI-2 standard.  I believe that
   this is an oversight */
#define MPI_ERR_INFO        28      /* */
#define MPI_ERR_INFO_KEY    29      /* */
#define MPI_ERR_INFO_VALUE  30      /* */
#define MPI_ERR_INFO_NOKEY  31      /* */

#define MPI_ERR_NAME        33      /* */
#define MPI_ERR_NO_MEM      34      /* Alloc_mem could not allocate memory */
#define MPI_ERR_NOT_SAME    35      /* */
#define MPI_ERR_PORT        38      /* */
#define MPI_ERR_QUOTA       39      /* */
#define MPI_ERR_SERVICE     41      /* */
#define MPI_ERR_SPAWN       42      /* */
#define MPI_ERR_UNSUPPORTED_OPERATION 44 /* */
#define MPI_ERR_WIN         45      /* */

#define MPI_ERR_BASE        46      /* */
#define MPI_ERR_LOCKTYPE    47      /* */
#define MPI_ERR_KEYVAL      48      /* Erroneous attribute key */
#define MPI_ERR_RMA_CONFLICT 49     /* */
#define MPI_ERR_RMA_SYNC    50      /* */ 
#define MPI_ERR_SIZE        51      /* */
#define MPI_ERR_DISP        52      /* */
#define MPI_ERR_ASSERT      53      /* */

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#define MPIX_ERR_PROC_FAIL_STOP 54   /* Process failure */
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#define MPI_ERR_RMA_RANGE  55       /* */
#define MPI_ERR_RMA_ATTACH 56       /* */
#define MPI_ERR_RMA_SHARED 57       /* */
#define MPI_ERR_RMA_FLAVOR 58       /* */
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/* Return codes for functions in the MPI Tool Information Interface */
#define MPI_T_ERR_MEMORY            59  /* Out of memory */
#define MPI_T_ERR_NOT_INITIALIZED   60  /* Interface not initialized */
#define MPI_T_ERR_CANNOT_INIT       61  /* Interface not in the state to
                                           be initialized */
#define MPI_T_ERR_INVALID_INDEX     62  /* The index is invalid or
                                           has been deleted  */
#define MPI_T_ERR_INVALID_ITEM      63  /* Item index queried is out of range */
#define MPI_T_ERR_INVALID_HANDLE    64  /* The handle is invalid */
#define MPI_T_ERR_OUT_OF_HANDLES    65  /* No more handles available */
#define MPI_T_ERR_OUT_OF_SESSIONS   66  /* No more sessions available */
#define MPI_T_ERR_INVALID_SESSION   67  /* Session argument is not valid */
#define MPI_T_ERR_CVAR_SET_NOT_NOW  68  /* Cvar can't be set at this moment */
#define MPI_T_ERR_CVAR_SET_NEVER    69  /* Cvar can't be set until
                                           end of execution */
#define MPI_T_ERR_PVAR_NO_STARTSTOP 70  /* Pvar can't be started or stopped */
#define MPI_T_ERR_PVAR_NO_WRITE     71  /* Pvar can't be written or reset */
#define MPI_T_ERR_PVAR_NO_ATOMIC    72  /* Pvar can't be R/W atomically */

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#define MPI_ERR_LASTCODE    0x3fffffff  /* Last valid error code for a 
					   predefined error class */
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/* WARNING: this is also defined in mpishared.h.  Update both locations */
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#define MPICH_ERR_LAST_CLASS 72     /* It is also helpful to know the
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				       last valid class */
/* End of MPI's error classes */

/* Function type defs */
typedef int (MPI_Datarep_conversion_function)(void *, MPI_Datatype, int, 
             void *, MPI_Offset, void *);
typedef int (MPI_Datarep_extent_function)(MPI_Datatype datatype, MPI_Aint *,
					  void *);
#define MPI_CONVERSION_FN_NULL ((MPI_Datarep_conversion_function *)0)

/* 
   For systems that may need to add additional definitions to support
   different declaration styles and options (e.g., different calling 
   conventions or DLL import/export controls).  
*/
/* --Insert Additional Definitions Here-- */

/*
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 * Normally, we provide prototypes for all MPI routines.  In a few weird
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 * cases, we need to suppress the prototypes.
 */
#ifndef MPICH_SUPPRESS_PROTOTYPES
/* We require that the C compiler support prototypes */
/* Begin Prototypes */
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int MPI_Send(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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             MPI_Comm comm) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Send");
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int MPI_Recv(void *buf, int count, MPI_Datatype datatype, int source, int tag,
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             MPI_Comm comm, MPI_Status *status) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Recv");
int MPI_Get_count(const MPI_Status *status, MPI_Datatype datatype, int *count) MPICH_ATTR_WEAK_ALIAS("PMPI_Get_count");
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int MPI_Bsend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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              MPI_Comm comm) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Bsend");
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int MPI_Ssend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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              MPI_Comm comm) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Ssend");
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int MPI_Rsend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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              MPI_Comm comm) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Rsend");
int MPI_Buffer_attach(void *buffer, int size) MPICH_ATTR_WEAK_ALIAS("PMPI_Buffer_attach");
int MPI_Buffer_detach(void *buffer_addr, int *size) MPICH_ATTR_WEAK_ALIAS("PMPI_Buffer_detach");
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int MPI_Isend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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              MPI_Comm comm, MPI_Request *request) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Isend");
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int MPI_Ibsend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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               MPI_Comm comm, MPI_Request *request) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Ibsend");
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int MPI_Issend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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               MPI_Comm comm, MPI_Request *request) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Issend");
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int MPI_Irsend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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               MPI_Comm comm, MPI_Request *request) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Irsend");
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int MPI_Irecv(void *buf, int count, MPI_Datatype datatype, int source, int tag,
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              MPI_Comm comm, MPI_Request *request) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Irecv");
int MPI_Wait(MPI_Request *request, MPI_Status *status) MPICH_ATTR_WEAK_ALIAS("PMPI_Wait");
int MPI_Test(MPI_Request *request, int *flag, MPI_Status *status) MPICH_ATTR_WEAK_ALIAS("PMPI_Test");
int MPI_Request_free(MPI_Request *request) MPICH_ATTR_WEAK_ALIAS("PMPI_Request_free");
int MPI_Waitany(int count, MPI_Request array_of_requests[], int *indx, MPI_Status *status) MPICH_ATTR_WEAK_ALIAS("PMPI_Waitany");
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int MPI_Testany(int count, MPI_Request array_of_requests[], int *indx, int *flag,
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                MPI_Status *status) MPICH_ATTR_WEAK_ALIAS("PMPI_Testany");
int MPI_Waitall(int count, MPI_Request array_of_requests[], MPI_Status array_of_statuses[]) MPICH_ATTR_WEAK_ALIAS("PMPI_Waitall");
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int MPI_Testall(int count, MPI_Request array_of_requests[], int *flag,
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                MPI_Status array_of_statuses[]) MPICH_ATTR_WEAK_ALIAS("PMPI_Testall");
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int MPI_Waitsome(int incount, MPI_Request array_of_requests[], int *outcount,
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                 int array_of_indices[], MPI_Status array_of_statuses[]) MPICH_ATTR_WEAK_ALIAS("PMPI_Waitsome");
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int MPI_Testsome(int incount, MPI_Request array_of_requests[], int *outcount,
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                 int array_of_indices[], MPI_Status array_of_statuses[]) MPICH_ATTR_WEAK_ALIAS("PMPI_Testsome");
int MPI_Iprobe(int source, int tag, MPI_Comm comm, int *flag, MPI_Status *status) MPICH_ATTR_WEAK_ALIAS("PMPI_Iprobe");
int MPI_Probe(int source, int tag, MPI_Comm comm, MPI_Status *status) MPICH_ATTR_WEAK_ALIAS("PMPI_Probe");
int MPI_Cancel(MPI_Request *request) MPICH_ATTR_WEAK_ALIAS("PMPI_Cancel");
int MPI_Test_cancelled(const MPI_Status *status, int *flag) MPICH_ATTR_WEAK_ALIAS("PMPI_Test_cancelled");
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int MPI_Send_init(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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                  MPI_Comm comm, MPI_Request *request) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Send_init");
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int MPI_Bsend_init(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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                   MPI_Comm comm, MPI_Request *request) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Bsend_init");
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int MPI_Ssend_init(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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                   MPI_Comm comm, MPI_Request *request) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Ssend_init");
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int MPI_Rsend_init(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
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                   MPI_Comm comm, MPI_Request *request) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Rsend_init");
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int MPI_Recv_init(void *buf, int count, MPI_Datatype datatype, int source, int tag,
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                  MPI_Comm comm, MPI_Request *request) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Recv_init");
int MPI_Start(MPI_Request *request) MPICH_ATTR_WEAK_ALIAS("PMPI_Start");
int MPI_Startall(int count, MPI_Request array_of_requests[]) MPICH_ATTR_WEAK_ALIAS("PMPI_Startall");
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int MPI_Sendrecv(const void *sendbuf, int sendcount, MPI_Datatype sendtype, int dest,
                 int sendtag, void *recvbuf, int recvcount, MPI_Datatype recvtype,
                 int source, int recvtag, MPI_Comm comm, MPI_Status *status)
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                 MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_POINTER_WITH_TYPE_TAG(6,8) MPICH_ATTR_WEAK_ALIAS("PMPI_Sendrecv");
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int MPI_Sendrecv_replace(void *buf, int count, MPI_Datatype datatype, int dest,
                         int sendtag, int source, int recvtag, MPI_Comm comm,
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                         MPI_Status *status) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Sendrecv_replace");
int MPI_Type_contiguous(int count, MPI_Datatype oldtype, MPI_Datatype *newtype) MPICH_ATTR_WEAK_ALIAS("PMPI_Type_contiguous");
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int MPI_Type_vector(int count, int blocklength, int stride, MPI_Datatype oldtype,
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                    MPI_Datatype *newtype) MPICH_ATTR_WEAK_ALIAS("PMPI_Type_vector");
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int MPI_Type_hvector(int count, int blocklength, MPI_Aint stride, MPI_Datatype oldtype,
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                     MPI_Datatype *newtype) MPICH_ATTR_WEAK_ALIAS("PMPI_Type_hvector");
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int MPI_Type_indexed(int count, const int *array_of_blocklengths,
                     const int *array_of_displacements, MPI_Datatype oldtype,
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                     MPI_Datatype *newtype) MPICH_ATTR_WEAK_ALIAS("PMPI_Type_indexed");
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int MPI_Type_hindexed(int count, const int *array_of_blocklengths,
                      const MPI_Aint *array_of_displacements, MPI_Datatype oldtype,
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                      MPI_Datatype *newtype) MPICH_ATTR_WEAK_ALIAS("PMPI_Type_hindexed");
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int MPI_Type_struct(int count, const int *array_of_blocklengths,
                    const MPI_Aint *array_of_displacements,
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                    const MPI_Datatype *array_of_types, MPI_Datatype *newtype) MPICH_ATTR_WEAK_ALIAS("PMPI_Type_struct");
int MPI_Address(const void *location, MPI_Aint *address) MPICH_ATTR_WEAK_ALIAS("PMPI_Address");
int MPI_Type_extent(MPI_Datatype datatype, MPI_Aint *extent) MPICH_ATTR_WEAK_ALIAS("PMPI_Type_extent");
int MPI_Type_size(MPI_Datatype datatype, int *size) MPICH_ATTR_WEAK_ALIAS("PMPI_Type_size");
int MPI_Type_lb(MPI_Datatype datatype, MPI_Aint *displacement) MPICH_ATTR_WEAK_ALIAS("PMPI_Type_lb");
int MPI_Type_ub(MPI_Datatype datatype, MPI_Aint *displacement) MPICH_ATTR_WEAK_ALIAS("PMPI_Type_ub");
int MPI_Type_commit(MPI_Datatype *datatype) MPICH_ATTR_WEAK_ALIAS("PMPI_Type_commit");
int MPI_Type_free(MPI_Datatype *datatype) MPICH_ATTR_WEAK_ALIAS("PMPI_Type_free");
int MPI_Get_elements(const MPI_Status *status, MPI_Datatype datatype, int *count) MPICH_ATTR_WEAK_ALIAS("PMPI_Get_elements");
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int MPI_Pack(const void *inbuf, int incount, MPI_Datatype datatype, void *outbuf,
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             int outsize, int *position, MPI_Comm comm) MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Pack");
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int MPI_Unpack(const void *inbuf, int insize, int *position, void *outbuf, int outcount,
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               MPI_Datatype datatype, MPI_Comm comm) MPICH_ATTR_POINTER_WITH_TYPE_TAG(4,6) MPICH_ATTR_WEAK_ALIAS("PMPI_Unpack");
int MPI_Pack_size(int incount, MPI_Datatype datatype, MPI_Comm comm, int *size) MPICH_ATTR_WEAK_ALIAS("PMPI_Pack_size");
int MPI_Barrier(MPI_Comm comm) MPICH_ATTR_WEAK_ALIAS("PMPI_Barrier");
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int MPI_Bcast(void *buffer, int count, MPI_Datatype datatype, int root, MPI_Comm comm)
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              MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_WEAK_ALIAS("PMPI_Bcast");
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int MPI_Gather(const void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf,
               int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
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               MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_POINTER_WITH_TYPE_TAG(4,6) MPICH_ATTR_WEAK_ALIAS("PMPI_Gather");
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int MPI_Gatherv(const void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf,
                const int *recvcounts, const int *displs, MPI_Datatype recvtype, int root,
                MPI_Comm comm)
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                MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_POINTER_WITH_TYPE_TAG(4,7) MPICH_ATTR_WEAK_ALIAS("PMPI_Gatherv");
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int MPI_Scatter(const void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf,
                int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
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                MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_POINTER_WITH_TYPE_TAG(4,6) MPICH_ATTR_WEAK_ALIAS("PMPI_Scatter");
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int MPI_Scatterv(const void *sendbuf, const int *sendcounts, const int *displs,
                 MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype,
                 int root, MPI_Comm comm)
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                 MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,4) MPICH_ATTR_POINTER_WITH_TYPE_TAG(5,7) MPICH_ATTR_WEAK_ALIAS("PMPI_Scatterv");
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int MPI_Allgather(const void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf,
                  int recvcount, MPI_Datatype recvtype, MPI_Comm comm)
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                  MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_POINTER_WITH_TYPE_TAG(4,6) MPICH_ATTR_WEAK_ALIAS("PMPI_Allgather");
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int MPI_Allgatherv(const void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf,
                   const int *recvcounts, const int *displs, MPI_Datatype recvtype, MPI_Comm comm)
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                   MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_POINTER_WITH_TYPE_TAG(4,7) MPICH_ATTR_WEAK_ALIAS("PMPI_Allgatherv");
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int MPI_Alltoall(const void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf,
                 int recvcount, MPI_Datatype recvtype, MPI_Comm comm)
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                 MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,3) MPICH_ATTR_POINTER_WITH_TYPE_TAG(4,6) MPICH_ATTR_WEAK_ALIAS("PMPI_Alltoall");
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int MPI_Alltoallv(const void *sendbuf, const int *sendcounts, const int *sdispls,
                  MPI_Datatype sendtype, void *recvbuf, const int *recvcounts,
                  const int *rdispls, MPI_Datatype recvtype, MPI_Comm comm)
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                  MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,4) MPICH_ATTR_POINTER_WITH_TYPE_TAG(5,8) MPICH_ATTR_WEAK_ALIAS("PMPI_Alltoallv");
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int MPI_Alltoallw(const void *sendbuf, const int sendcounts[], const int sdispls[],
                  const MPI_Datatype sendtypes[], void *recvbuf, const int recvcounts[],
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                  const int rdispls[], const MPI_Datatype recvtypes[], MPI_Comm comm) MPICH_ATTR_WEAK_ALIAS("PMPI_Alltoallw");
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int MPI_Exscan(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype,
               MPI_Op op, MPI_Comm comm)
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               MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,4) MPICH_ATTR_POINTER_WITH_TYPE_TAG(2,4) MPICH_ATTR_WEAK_ALIAS("PMPI_Exscan");
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int MPI_Reduce(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype,
               MPI_Op op, int root, MPI_Comm comm)
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               MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,4) MPICH_ATTR_POINTER_WITH_TYPE_TAG(2,4) MPICH_ATTR_WEAK_ALIAS("PMPI_Reduce");
int MPI_Op_create(MPI_User_function *user_fn, int commute, MPI_Op *op) MPICH_ATTR_WEAK_ALIAS("PMPI_Op_create");
int MPI_Op_free(MPI_Op *op) MPICH_ATTR_WEAK_ALIAS("PMPI_Op_free");
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int MPI_Allreduce(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype,
                  MPI_Op op, MPI_Comm comm)
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                  MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,4) MPICH_ATTR_POINTER_WITH_TYPE_TAG(2,4) MPICH_ATTR_WEAK_ALIAS("PMPI_Allreduce");
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int MPI_Reduce_scatter(const void *sendbuf, void *recvbuf, const int recvcounts[],
                       MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
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                       MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,4) MPICH_ATTR_POINTER_WITH_TYPE_TAG(2,4) MPICH_ATTR_WEAK_ALIAS("PMPI_Reduce_scatter");
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int MPI_Scan(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op,
             MPI_Comm comm)
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             MPICH_ATTR_POINTER_WITH_TYPE_TAG(1,4) MPICH_ATTR_POINTER_WITH_TYPE_TAG(2,4) MPICH_ATTR_WEAK_ALIAS("PMPI_Scan");
int MPI_Group_size(MPI_Group group, int *size) MPICH_ATTR_WEAK_ALIAS("PMPI_Group_size");
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