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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/constants.h"
#include "ompi/datatype/ompi_datatype.h"
#include "coll_self.h"
/*
* reduce_lin_intra
*
* Function: - reduction
* Accepts: - same as MPI_Reduce()
* Returns: - MPI_SUCCESS or error code
*/
int mca_coll_self_reduce_intra(const void *sbuf, void *rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
int root, struct ompi_communicator_t *comm,
mca_coll_base_module_t *module)
{
if (MPI_IN_PLACE == sbuf) {
return MPI_SUCCESS;
} else {
return ompi_datatype_copy_content_same_ddt(dtype, count, (char*)rbuf, (char*)sbuf);
}
}
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