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| author | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-16 18:49:26 +0900 |
|---|---|---|
| committer | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-30 00:39:06 +0900 |
| commit | fcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch) | |
| tree | 64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/benchmark/bm_so_random.rb | |
Fresh start
Diffstat (limited to 'jni/ruby/benchmark/bm_so_random.rb')
| -rw-r--r-- | jni/ruby/benchmark/bm_so_random.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/jni/ruby/benchmark/bm_so_random.rb b/jni/ruby/benchmark/bm_so_random.rb new file mode 100644 index 0000000..a66b9e8 --- /dev/null +++ b/jni/ruby/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) |