namespace simgrid{
namespace smpi{
int
-Coll_alltoall_pair_one_barrier::alltoall(void *send_buff, int send_count,
+Coll_alltoall_pair_one_barrier::alltoall(const void *send_buff, int send_count,
MPI_Datatype send_type,
void *recv_buff, int recv_count,
MPI_Datatype recv_type, MPI_Comm comm)
num_procs = comm->size();
if((num_procs&(num_procs-1)))
- THROWF(arg_error,0, "alltoall pair algorithm can't be used with non power of two number of processes ! ");
+ throw std::invalid_argument("alltoall pair algorithm can't be used with non power of two number of processes!");
send_chunk = send_type->get_extent();
recv_chunk = recv_type->get_extent();