library ieee;  use ieee.std_logic_1164.all;

package stimulus_generators is

  procedure all_possible_values ( signal bv : out bit_vector;
				  delay_between_values : in delay_length );

  procedure all_possible_values ( signal bv : out std_ulogic_vector;
				  delay_between_values : in delay_length );

  procedure all_possible_values ( signal bv : out std_logic_vector;
				  delay_between_values : in delay_length );

end package stimulus_generators;