*misc

1 files changed, 0 insertions, 88 deletions

diff --git a/source/modules/asura-utils/Math/Rand/Rand.h b/source/modules/asura-utils/Math/Rand/Rand.h
deleted file mode 100644
index 74b1102..0000000
--- a/source/modules/asura-utils/Math/Rand/Rand.h
+++ /dev/null
@@ -1,88 +0,0 @@
-#ifndef RAND_H
-#define RAND_H
-
-#include "../../Type.h"
-#include "../../Classes.h"
-
-namespace_begin(AsuraEngine)
-namespace_begin(Math)
-
-/*
-Some random generator timings:
-MacBook Pro w/ Core 2 Duo 2.4GHz. Times are for gcc 4.0.1 (OS X 10.6.2) / VS2008 SP1 (Win XP SP3),
-in milliseconds for this loop (4915200 calls):
-
-for (int j = 0; j < 100; ++j)
-for (int i = 0; i < 128*128*3; ++i)
-data[i] = (rnd.get() & 0x3) << 6;
-
-gcc   vs2008    Size
-C's rand():       57.0  109.3 ms     1
-Mersenne Twister: 56.0   37.4 ms  2500
-Unity 2.x LCG:    11.1    9.2 ms     4
-Xorshift 128:     15.0   17.8 ms    16
-Xorshift 32:      20.6   10.7 ms     4
-WELL 512:         43.6   55.1 ms    68
-*/
-
-// Xorshift 128 implementation
-// Xorshift paper: http://www.jstatsoft.org/v08/i14/paper
-// Wikipedia: http://en.wikipedia.org/wiki/Xorshift
-class Rand {
-public:
-
-	Rand(uint32 seed = 0)
-	{
-		SetSeed(seed);
-	}
-
-	uint32 Get()
-	{
-		uint32 t;
-		t = x ^ (x << 11);
-		x = y; y = z; z = w;
-		return w = (w ^ (w >> 19)) ^ (t ^ (t >> 8));
-	}
-
-	inline static float GetFloatFromInt(uint32 value)
-	{
-		// take 23 bits of integer, and divide by 2^23-1
-		return float(value & 0x007FFFFF) * (1.0f / 8388607.0f);
-	}
-
-	inline static uint8 GetByteFromInt(uint32 value)
-	{
-		// take the most significant byte from the 23-bit value
-		return uint8(value >> (23 - 8));
-	}
-
-	// random number between 0.0 and 1.0
-	float GetFloat()
-	{
-		return GetFloatFromInt(Get());
-	}
-
-	// random number between -1.0 and 1.0
-	float GetSignedFloat()
-	{
-		return GetFloat() * 2.0f - 1.0f;
-	}
-
-	void SetSeed(uint32 seed)
-	{
-		x = seed;
-		y = x * 1812433253U + 1;
-		z = y * 1812433253U + 1;
-		w = z * 1812433253U + 1;
-	}
-
-	uint32 GetSeed() const { return x; }
-
-private:
-	uint32 x, y, z, w;
-};
-
-namespace_end
-namespace_end
-
-#endif
\ No newline at end of file