-/* Copyright (c) 2013-2017. The SimGrid Team.
+/* Copyright (c) 2013-2019. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
namespace simgrid{
namespace smpi{
// this requires that count >= NP
-int Coll_allreduce_rab2::allreduce(void *sbuff, void *rbuff,
+int Coll_allreduce_rab2::allreduce(const void *sbuff, void *rbuff,
int count, MPI_Datatype dtype,
MPI_Op op, MPI_Comm comm)
{
smpi_free_tmp_buffer(tmp);
smpi_free_tmp_buffer(send);
} else {
- send = sbuff;
+ send = const_cast<void*>(sbuff);
send_size = count / nprocs;
nbytes = send_size * s_extent;
r_offset = rank * nbytes;