size = comm->size();
XBT_DEBUG("coll:tuned:reduce_scatter_ompi_basic_recursivehalving, rank %d", rank);
- if( (op!=MPI_OP_NULL && !op->is_commutative()))
+ if ((op != MPI_OP_NULL && not op->is_commutative()))
THROWF(arg_error,0, " reduce_scatter ompi_basic_recursivehalving can only be used for commutative operations! ");
/* Find displacements and the like */