Revision: 17963
Author: [email protected]
Date: Thu Nov 21 12:34:34 2013 UTC
Log: Use Marsaglia's original random number generator.
BUG=316359
LOG=Y
[email protected]
Review URL: https://codereview.chromium.org/80743002
http://code.google.com/p/v8/source/detail?r=17963
Modified:
/branches/bleeding_edge/src/math.js
=======================================
--- /branches/bleeding_edge/src/math.js Thu Nov 21 09:55:15 2013 UTC
+++ /branches/bleeding_edge/src/math.js Thu Nov 21 12:34:34 2013 UTC
@@ -174,7 +174,7 @@
rngstate[0] = r0;
var r1 = (MathImul(36969, rngstate[1] & 0xFFFF) + (rngstate[1] >>> 16))
| 0;
rngstate[1] = r1;
- var x = ((r0 << 14) + (r1 & 0x3FFFF)) | 0;
+ var x = ((r0 << 16) + (r1 & 0xFFFF)) | 0;
// Division by 0x100000000 through multiplication by reciprocal.
return (x < 0 ? (x + 0x100000000) : x) * 2.3283064365386962890625e-10;
}
--
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