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MPI_Free_mem(3OpenMPI)                                                                MPI_Free_mem(3OpenMPI)



NAME
       MPI_Free_mem  - Frees memory that has been allocated using MPI_Alloc_mem.


SYNTAX
C Syntax
       #include <mpi.h>
       int MPI_Free_mem(void *base)


Fortran Syntax
       INCLUDE 'mpif.h'
       MPI_FREE_MEM(BASE, IERROR)
            <type> BASE(*)
            INTEGER IERROR


C++ Syntax
       #include <mpi.h>
       void MPI::Free_mem(void *base)


INPUT PARAMETER
       base      Initial address of memory segment allocated by MPI_Alloc_mem (choice).


OUTPUT PARAMETER
       IERROR    Fortran only: Error status (integer).


DESCRIPTION
       MPI_Free_mem frees memory that has been allocated by MPI_Alloc_mem.


ERRORS
       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.

       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.


SEE ALSO
       MPI_Alloc_mem




Open MPI 1.2                                   September 2006                         MPI_Free_mem(3OpenMPI)