From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/benchmark/bm_so_random.rb | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 jni/ruby/benchmark/bm_so_random.rb

(limited to 'jni/ruby/benchmark/bm_so_random.rb')

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)
-- 
cgit v1.2.3