From 8b920ba816ef5d7f0daf99914efc8638ffd4249f Mon Sep 17 00:00:00 2001
From: Alex Szpakowski <slime73@gmail.com>
Date: Sun, 15 May 2016 10:25:08 -0300
Subject: [PATCH] Improved the numeric distribution of love.math.random.

--HG--
branch : minor
---
 src/modules/math/RandomGenerator.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/modules/math/RandomGenerator.h b/src/modules/math/RandomGenerator.h
index ce3b5b0d6..c6f93f29c 100644
--- a/src/modules/math/RandomGenerator.h
+++ b/src/modules/math/RandomGenerator.h
@@ -73,7 +73,13 @@ public:
 	 **/
 	inline double random()
 	{
-		return double(rand()) / (double(std::numeric_limits<uint64>::max()) + 1.0);
+		uint64 r = rand();
+
+		// From http://xoroshiro.di.unimi.it
+		union { uint64 i; double d; } u;
+		u.i = ((0x3FFULL) << 52) | (r >> 12);
+
+		return u.d - 1.0;
 	}
 
 	/**