DESCR("communication cost factors", "[%s]", comm_cost.to_string().c_str());
DESCR("maximum number of comp. iterations", "%s",
h.val_or_string(comp_maxiter, "infinity"));
DESCR("maximum number of lb. iterations", "%s",
h.val_or_string(lb_maxiter, "infinity"));
DESCR("communication cost factors", "[%s]", comm_cost.to_string().c_str());
DESCR("maximum number of comp. iterations", "%s",
h.val_or_string(comp_maxiter, "infinity"));
DESCR("maximum number of lb. iterations", "%s",
h.val_or_string(lb_maxiter, "infinity"));