Revision: 24721
Author: [email protected]
Date: Mon Oct 20 08:40:46 2014 UTC
Log: Avoid the Marsaglia effect in 3D
For a longer discussion, see the associated Chromium issue.
BUG=chromium:423311
LOG=y
[email protected]
Review URL: https://codereview.chromium.org/662513004
https://code.google.com/p/v8/source/detail?r=24721
Modified:
/branches/bleeding_edge/src/math.js
=======================================
--- /branches/bleeding_edge/src/math.js Mon Sep 1 09:36:00 2014 UTC
+++ /branches/bleeding_edge/src/math.js Mon Oct 20 08:40:46 2014 UTC
@@ -144,7 +144,7 @@
// ECMA 262 - 15.8.2.14
var rngstate; // Initialized to a Uint32Array during genesis.
function MathRandom() {
- var r0 = (MathImul(18273, rngstate[0] & 0xFFFF) + (rngstate[0] >>> 16))
| 0;
+ var r0 = (MathImul(18030, rngstate[0] & 0xFFFF) + (rngstate[0] >>> 16))
| 0;
rngstate[0] = r0;
var r1 = (MathImul(36969, rngstate[1] & 0xFFFF) + (rngstate[1] >>> 16))
| 0;
rngstate[1] = r1;
--
--
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