1# from http://www.bagley.org/~doug/shootout/bench/random/random.ruby 2 3IM = 139968.0 4IA = 3877.0 5IC = 29573.0 6 7$last = 42.0 8 9def gen_random(max) 10 (max * ($last = ($last * IA + IC) % IM)) / IM 11end 12 13N = 3_000_000 14 15i = 0 16while i<N 17 i +=1 18 gen_random(100.0) 19end 20# "%.9f" % gen_random(100.0) 21