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diff --git a/benchmark/so_random.yml b/benchmark/so_random.yml
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+prelude: |
+ # from http://www.bagley.org/~doug/shootout/bench/random/random.ruby
+benchmark:
+ so_random: |
+
+ IM = 139968.0
+ IA = 3877.0
+ IC = 29573.0
+
+ $last = 42.0
+
+ def gen_random(max)
+ (max * ($last = ($last * IA + IC) % IM)) / IM
+ end
+
+ N = 3_000_000
+
+ i = 0
+ while i<N
+ i +=1
+ gen_random(100.0)
+ end
+ # "%.9f" % gen_random(100.0)
+loop_count: 1