DESCR("minimum duration between comp. iterations", "%g",
min_comp_iter_duration);
DESCR("computations start after lb. iter", "%u", comp_iter_delay);
DESCR("computations start after time", "%g", comp_time_delay);
DESCR("maximum number of lb. iterations", "%s",
DESCR("minimum duration between comp. iterations", "%g",
min_comp_iter_duration);
DESCR("computations start after lb. iter", "%u", comp_iter_delay);
DESCR("computations start after time", "%g", comp_time_delay);
DESCR("maximum number of lb. iterations", "%s",