diff options
| author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
|---|---|---|
| committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
| commit | 0dc342de848a642ecce8db697b8fecd83a63e117 (patch) | |
| tree | 2b7ed4724aff1f86073e4740134bda9c4aac1a39 /trunk/benchmark/bm_so_random.rb | |
| parent | ef70cf7138ab8034b5b806f466e4b484b24f0f88 (diff) | |
added tag v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/benchmark/bm_so_random.rb')
| -rw-r--r-- | trunk/benchmark/bm_so_random.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/trunk/benchmark/bm_so_random.rb b/trunk/benchmark/bm_so_random.rb new file mode 100644 index 0000000000..83c0d6d380 --- /dev/null +++ b/trunk/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 = 1000000 + +i=0 +while i<N + i+=1 + gen_random(100.0) +end +# "%.9f" % gen_random(100.0) |