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<TITLE>MPI_Type_get_contents</TITLE>
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MPI_Type_get_contents
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get type contents
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Synopsis
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int MPI_Type_get_contents(MPI_Datatype datatype,
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int max_integers,
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int max_addresses,
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int max_datatypes,
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int array_of_integers[],
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MPI_Aint array_of_addresses[], MPI_Datatype array_of_datatypes[])
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Input Parameters
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datatype datatype to access (handle)
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max_integers number of elements in array_of_integers (non-negative integer)
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max_addresses number of elements in array_of_addresses (non-negative integer)
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max_datatypes number of elements in array_of_datatypes (non-negative integer)
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Output Parameters
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array_of_integers contains integer arguments used in constructing the datatype (array of integers)
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array_of_addresses contains address arguments used in constructing the datatype (array of integers)
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array_of_datatypes contains datatype arguments used in constructing the datatype (array of handles)
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Notes
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Notes for Fortran
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All MPI routines in Fortran (except for <tt>MPI_WTIME</tt> and <tt>MPI_WTICK</tt>) have
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an additional argument <tt>ierr</tt> at the end of the argument list. <tt>ierr
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</tt>is an integer and has the same meaning as the return value of the routine
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in C. In Fortran, MPI routines are subroutines, and are invoked with the
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<tt>call</tt> statement.
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All MPI objects (e.g., <tt>MPI_Datatype</tt>, <tt>MPI_Comm</tt>) are of type <tt>INTEGER
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</tt>in Fortran.
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Errors
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All MPI routines (except <tt>MPI_Wtime</tt> and <tt>MPI_Wtick</tt>) return an error value;
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C routines as the value of the function and Fortran routines in the last
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argument. Before the value is returned, the current MPI error handler is
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called. By default, this error handler aborts the MPI job. The error handler
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may be changed with <tt>MPI_Comm_set_errhandler</tt> (for communicators),
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<tt>MPI_File_set_errhandler</tt> (for files), and <tt>MPI_Win_set_errhandler</tt> (for
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RMA windows). The MPI-1 routine <tt>MPI_Errhandler_set</tt> may be used but
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its use is deprecated. The predefined error handler
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<tt>MPI_ERRORS_RETURN</tt> may be used to cause error values to be returned.
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Note that MPI does not guarentee that an MPI program can continue past
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an error; however, MPI implementations will attempt to continue whenever
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possible.
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MPI_SUCCESS No error; MPI routine completed successfully.
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