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_Allgatherv( const void* sbuff, int scnt, MPI_Datatype stype,
void* rbuff, const int *rcnts, const int *displs, MPI_Datatype rtype,
MPI_Comm comm )
{
char call[COLLCHK_SM_STRLEN];
int g2g = 1, r;
int are2buffs;
sprintf( call, "ALLGATHERV" );
/* Check if init has been called */
g2g = CollChk_is_init();
if( g2g ) {
MPI_Comm_rank(comm, &r);
/* check for call consistency */
CollChk_same_call( comm, call );
/* check MPI_IN_PLACE consistency */
CollChk_check_buff( comm, sbuff, call );
/* check data signature consistency */
#if defined( HAVE_MPI_IN_PLACE )
are2buffs = ( sbuff != MPI_IN_PLACE );
#else
are2buffs = 1;
#endif
CollChk_dtype_allgatherv(comm, stype, scnt, rtype, rcnts,
are2buffs, call);
/* make the call */
return PMPI_Allgatherv( sbuff, scnt, stype,
rbuff, rcnts, displs, rtype,
comm );
}
else {
/* init not called */
return CollChk_err_han( "MPI_Init() has not been called!",
COLLCHK_ERR_NOT_INIT, call, comm );
}
}