1 files changed, 3 insertions, 0 deletions
diff --git a/src/MPIutils.hh b/src/MPIutils.hh
index e4da9d4..41a1b9e 100644
--- a/src/MPIutils.hh
+++ b/src/MPIutils.hh
@@ -319,6 +319,9 @@ public:
   int alltoall(MPI_Datatype type,int nelem,void *senddata,void *recvdata){
     return MPI_Alltoall(senddata,nelem,type,recvdata,nelem,type,comm);
   }
+  int alltoall(int nelem,char *senddata,char *recvdata){
+    return alltoall(MPI_CHAR,nelem,senddata,recvdata);
+  }
   int scatter(int root,MPI_Datatype type,int localnelem,void *senddata,void *recvdata){
     return MPI_Scatter(senddata,localnelem,type,recvdata,localnelem,type,root,comm);
   }