diff options
| author | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-07-10 13:08:40 +0000 |
|---|---|---|
| committer | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-07-10 13:08:40 +0000 |
| commit | 433af16167aec949c6345ad41b78b17c440b4a6d (patch) | |
| tree | 42b9a14817cccef4a57177329381f97a7a2ac75c /benchmark/so_random.rb | |
| parent | f992f4251874a025de09ffecf0f2b8cb984f2201 (diff) | |
benchmark: drop all bm_ prefix for legacy driver.rb
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
Diffstat (limited to 'benchmark/so_random.rb')
| -rw-r--r-- | benchmark/so_random.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/benchmark/so_random.rb b/benchmark/so_random.rb new file mode 100644 index 0000000000..a66b9e8e63 --- /dev/null +++ b/benchmark/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) |