MPI_Datatype types[3] = { MPI_LB, oldtype, MPI_UB };
s_smpi_mpi_struct_t* subtype = smpi_datatype_struct_create( blocks, disps, 3, types);
MPI_Datatype types[3] = { MPI_LB, oldtype, MPI_UB };
s_smpi_mpi_struct_t* subtype = smpi_datatype_struct_create( blocks, disps, 3, types);