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MPI_Get_library_version - Returns a string of the current Open
MPI version
#include <mpi.h>
int MPI_Get_library_version(char *version, int *resultlen)
INCLUDE ’mpif.h’
MPI_GET_LIBRARY_VERSION(VERSION, RESULTLEN, IERROR)
CHARACTER*(*) NAME
INTEGER RESULTLEN, IERROR
There is no C++ binding for this function.
- version
- A string containing the Open MPI version (string).
- resultlen
- Length (in characters) of result returned in version (integer).
- IERROR
- Fortran only: Error status (integer).
This routine
returns a string representing the version of the MPI library. The version
argument is a character string for maximum flexibility.
The number of characters
actually written is returned in the output argument, resultlen. In C, a
’\0’ character is additionally stored at version[resultlen]. The resultlen
cannot be larger than (MPI_MAX_LIBRARY_VERSION_STRING - 1). In Fortran, version
is padded on the right with blank characters. The resultlen cannot be larger
than MPI_MAX_LIBRARY_VERSION_STRING.
The version string that is passed
must be at least MPI_MAX_LIBRARY_VERSION_STRING characters long.
MPI_Get_library_version
is one of the few functions that can be called before MPI_Init and after
MPI_Finalize.
MPI_Get_library_version is an MPI-3 function and has no C++
binding.
Almost all MPI routines return an error value; C routines
as the value of the function and Fortran routines in the last argument.
Before the error value is returned, the current MPI error handler is 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.
MPI_Get_version
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