indexing
	description:
		"Facility for generating pseudo-random numbers"

	status:	"See note at end of class"
	date: "$Date$"
	revision: "$Revision$"

class 
	RANDOM_NUMBER_GENERATOR

feature {NONE} -- Initialization

	random_number_generator: RANDOM
			-- Random number generator instance

	refresh_random_seed is
			-- Set new time-dependent seed.
		require
			generator_created: random_number_generator /= Void
		local
			t: TIME
		do
			create t.make_now
			random_number_generator.set_seed (t.seconds)
		end
	
			
	random: RANDOM is
			-- Random generator
		do
			if random_number_generator = Void then
				create random_number_generator.make
				refresh_random_seed
				random_number_generator.start
			end
			Result := random_number_generator
		end

end -- class RANDOM_NUMBER_GENERATOR

--|----------------------------------------------------------------------
--| EiffelTest: Reusable components for developing unit tests.
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