Module: Rand
- Defined in:
- ext/enterprise_script_service/mruby/benchmark/bm_ao_render.rb
Constant Summary collapse
- BNUM =
1 << 29
- BNUMF =
BNUM.to_f
- @@x =
Use xorshift
123456789
- @@y =
362436069
- @@z =
521288629
- @@w =
88675123
Class Method Summary collapse
Class Method Details
.rand ⇒ Object
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# File 'ext/enterprise_script_service/mruby/benchmark/bm_ao_render.rb', line 21 def self.rand x = @@x t = x ^ ((x & 0xfffff) << 11) w = @@w @@x, @@y, @@z = @@y, @@z, w w = @@w = (w ^ (w >> 19) ^ (t ^ (t >> 8))) (w % BNUM) / BNUMF end |