Fix a doc error about actors (Tutorial_algorithms)

[simgrid.git] / src / smpi / colls / allgather / allgather-ompi-neighborexchange.cpp

diff --git a/src/smpi/colls/allgather/allgather-ompi-neighborexchange.cpp b/src/smpi/colls/allgather/allgather-ompi-neighborexchange.cpp
index f9bc2b9..0b0a0b2 100644 (file)
--- a/src/smpi/colls/allgather/allgather-ompi-neighborexchange.cpp
+++ b/src/smpi/colls/allgather/allgather-ompi-neighborexchange.cpp
@@ -68,7 +68,7 @@ namespace simgrid{
 namespace smpi{
 
 int
-Coll_allgather_ompi_neighborexchange::allgather(void *sbuf, int scount,
+Coll_allgather_ompi_neighborexchange::allgather(const void *sbuf, int scount,
                                                  MPI_Datatype sdtype,
                                                  void* rbuf, int rcount,
                                                  MPI_Datatype rdtype,