xbt_assert0(workstation_count > 0, "workstation_nb must be positive");
task->workstation_nb = workstation_count;
task->rate = rate;
if (computation_amount) {
xbt_assert0(workstation_count > 0, "workstation_nb must be positive");
task->workstation_nb = workstation_count;
task->rate = rate;
if (computation_amount) {