int MPI_Reduce_scatter(const void* sbuff, void* rbuff, const int rcnts[],
MPI_Datatype dt, MPI_Op op, MPI_Comm comm)
{
int g2g = 1;
char call[COLLCHK_SM_STRLEN];
sprintf(call, "REDUCE_SCATTER");
/* Check if init has been called */
g2g = CollChk_is_init();
if(g2g) {
/* check for call consistancy */
CollChk_same_call(comm, call);
/* check for MPI_IN_PLACE consistency if needed */
CollChk_check_buff(comm, sbuff, call);
/* check for same operation */
CollChk_same_op(comm, op, call);
/* check for same datatypes */
CollChk_dtype_bcast(comm, dt, 1, 0, call);
/* make the call */
return PMPI_Reduce_scatter(sbuff, rbuff, rcnts, dt, op, comm);
}
else {
/* init not called */
return CollChk_err_han("MPI_Init() has not been called!",
COLLCHK_ERR_NOT_INIT, call, comm);
}
}
int MPI_Reduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
{
return PMPI_Reduce_scatter(sendbuf, recvbuf, recvcounts, datatype, op, comm);
}