73 строки
1.9 KiB
Plaintext
73 строки
1.9 KiB
Plaintext
.\" -*- nroff -*-
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.\" Copyright 2013 Los Alamos National Security, LLC. All rights reserved.
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.\" Copyright 2010 Cisco Systems, Inc. All rights reserved.
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.\" Copyright 2006-2008 Sun Microsystems, Inc.
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.\" Copyright (c) 1996 Thinking Machines Corporation
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.TH MPI_Info_delete 3 "#OMPI_DATE#" "#PACKAGE_VERSION#" "#PACKAGE_NAME#"
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.SH NAME
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\fBMPI_Info_delete\fP \- Deletes a key/value pair from \fIinfo\fP.
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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_Info_delete(MPI_Info \fIinfo\fP, const char \fI*key\fP)
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.fi
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.SH Fortran Syntax
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.nf
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INCLUDE 'mpif.h'
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MPI_INFO_DELETE(\fIINFO, KEY, IERROR\fP)
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INTEGER \fIINFO, IERROR\fP
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CHARACTER*(*) \fIKEY\fP
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.fi
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.SH C++ Syntax
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.nf
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#include <mpi.h>
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void MPI::Info::Delete(const char* \fIkey\fP)
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.fi
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.SH INPUT/OUTPUT PARAMETER
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.ft R
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.TP 1i
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info
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Info object (handle).
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.SH INPUT PARAMETER
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.ft R
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.TP 1i
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key
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Key (string).
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.SH OUTPUT PARAMETER
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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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MPI_Info_delete deletes a (key,value) pair from \fIinfo\fP. If \fIkey\fP is not defined in \fIinfo\fP, the call raises an error of class MPI_ERR_INFO_NOKEY.
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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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.SH SEE ALSO
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.ft r
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MPI_Info_create
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.br
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MPI_Info_dup
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.br
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MPI_Info_free
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.br
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MPI_Info_get
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.br
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MPI_Info_set
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.br
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