Function maxByKey

src/api/cpp/reduce.cpp:100–107

}

void maxByKey(array &keys_out, array &vals_out, const array &keys,
              const array &vals, const int dim) {
    af_array okeys, ovals;
    AF_THROW(af_max_by_key(&okeys, &ovals, keys.get(), vals.get(),
                           getFNSD(dim, vals.dims())));
    keys_out = array(okeys);
    vals_out = array(ovals);
}

void max(array &val, array &idx, const array &in, const array &ragged_len,
         const int dim) {