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benchmark/*.rb is only benchmarks now. We don't need prefixes. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63928 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
20 lines
289 B
Ruby
20 lines
289 B
Ruby
# from http://www.bagley.org/~doug/shootout/bench/random/random.ruby
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IM = 139968.0
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IA = 3877.0
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IC = 29573.0
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$last = 42.0
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def gen_random(max)
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(max * ($last = ($last * IA + IC) % IM)) / IM
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end
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N = 3_000_000
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i = 0
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while i<N
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i +=1
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gen_random(100.0)
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end
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# "%.9f" % gen_random(100.0)
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