diff options
| author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-05-14 11:27:23 +0000 |
|---|---|---|
| committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-05-14 11:27:23 +0000 |
| commit | aa6e98139c8e1ea442fb2182341aaa08ff55b529 (patch) | |
| tree | a509eb830418991995bfe3b840d4bf270ff7f0e2 /ruby_1_9_3/benchmark/bm_so_random.rb | |
| parent | 9e9d191cf367caa17776231a2d0fad0da47b160a (diff) | |
add tag v1_9_3_426
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_3_426@40733 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_9_3/benchmark/bm_so_random.rb')
| -rw-r--r-- | ruby_1_9_3/benchmark/bm_so_random.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/ruby_1_9_3/benchmark/bm_so_random.rb b/ruby_1_9_3/benchmark/bm_so_random.rb new file mode 100644 index 0000000000..57f700b863 --- /dev/null +++ b/ruby_1_9_3/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) |