diff options
| author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-12-14 15:09:35 +0000 |
|---|---|---|
| committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-12-14 15:09:35 +0000 |
| commit | 1a74fa4b04da04bd2bb33103dd3cf431438df38e (patch) | |
| tree | f4a1d6c2961339e0c1d653c0f8427a53315080f0 /ruby_2_2/benchmark/bm_so_random.rb | |
| parent | a5b755e50e2d9aabf28ba24bf58644ca22b01a4f (diff) | |
add tag v2_2_9
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v2_2_9@61257 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_2_2/benchmark/bm_so_random.rb')
| -rw-r--r-- | ruby_2_2/benchmark/bm_so_random.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/ruby_2_2/benchmark/bm_so_random.rb b/ruby_2_2/benchmark/bm_so_random.rb new file mode 100644 index 0000000000..a66b9e8e63 --- /dev/null +++ b/ruby_2_2/benchmark/bm_so_random.rb @@ -0,0 +1,20 @@ +# from http://www.bagley.org/~doug/shootout/bench/random/random.ruby + +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) |