-int Colls::ialltoallw(const void *sendbuf, const int *sendcounts, const int *senddisps, const MPI_Datatype* sendtypes,
- void *recvbuf, const int *recvcounts, const int *recvdisps, const MPI_Datatype* recvtypes, MPI_Comm comm, MPI_Request *request, int external){
+int colls::ialltoallw(const void* sendbuf, const int* sendcounts, const int* senddisps, const MPI_Datatype* sendtypes,
+ void* recvbuf, const int* recvcounts, const int* recvdisps, const MPI_Datatype* recvtypes,
+ MPI_Comm comm, MPI_Request* request, int external)
+{