56 строки
1.9 KiB
Groff
56 строки
1.9 KiB
Groff
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.\"Copyright 2006, Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.
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.\" Copyright (c) 1996 Thinking Machines Corporation
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.TH MPI_Get_version 3OpenMPI "September 2006" "Open MPI 1.2" " "
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.SH NAME
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\fBMPI_Get_version\fP \- Returns the version of the standard corresponding to the current implementation.
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.SH SYNTAX
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.ft R
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.SH C Syntax
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.nf
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#include <mpi.h>
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int MPI_Get_version(int \fI*version\fP, int \fI*subversion\fP)
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.SH Fortran Syntax
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.nf
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INCLUDE 'mpif.h'
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MPI_GET_VERSION(\fIVERSION\fP, \fISUBVERSION\fP, \fIIERROR\fP)
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INTEGER \fIVERSION\fP, \fISUBVERSION\fP, \fIIERROR\fP
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.SH C++ Syntax
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.nf
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#include <mpi.h>
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void Get_version(int& \fIversion\fP, int& \fIsubversion\fP)
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.SH OUTPUT PARAMETERS
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.ft R
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.TP 1i
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version
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The major version number of the corresponding standard (integer).
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.ft R
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.TP 1i
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subversion
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The minor version number of the corresponding standard (integer).
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.ft R
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.TP 1i
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IERROR
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Fortran only: Error status (integer).
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.SH DESCRIPTION
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.ft R
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Since Open MPI is MPI 2.0 compliant, this function will return a version value of 2 and a subversion value of 0 for this release.
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.SH NOTE
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.ft R
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MPI_Get_version is one of the few functions that can be called before MPI_Init and after MPI_Finalize.
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.SH ERRORS
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Almost all MPI routines return an error value; C routines as the value of the function and Fortran routines in the last argument. C++ functions do not return errors. If the default error handler is set to MPI::ERRORS_THROW_EXCEPTIONS, then on error the C++ exception mechanism will be used to throw an MPI:Exception object.
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.sp
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Before the error value is returned, the current MPI error handler is
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called. By default, this error handler aborts the MPI job, except for I/O function errors. The error handler may be changed with MPI_Comm_set_errhandler; the predefined error handler MPI_ERRORS_RETURN may be used to cause error values to be returned. Note that MPI does not guarantee that an MPI program can continue past an error.
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