Delete failed test :-( :-( :-( :-( :-( :-( :-( :-( :-( :-( :-(

worldeditadditions/utils/random.lua

@@ -1,111 +0,0 @@
---- Implementation of the xoshiro++ random number generation algorithm.
--- Ported from C by Starbeamrainbowlabs
--- @ref https://en.wikipedia.org/wiki/Xorshift#xoshiro_and_xoroshiro
--- @class
-local Xoshiro = {}
-Xoshiro.__index = Xoshiro
-
---- Creates a new Xoshiro instance.
--- @returns		Xoshiro		The new Xoshiro instance.
-function Xoshiro.new(seed)
-	seed = seed or 4898416254654
-	local result = {
-		state = {
-			34862381629 ^ seed,
-			87782734023 ^ seed,
-			59217486042 ^ seed,
-			68724585416 ^ seed
-		}
-	}
-	setmetatable(result, Xoshiro)
-	return result
-end
-
---- Polyfill for the bitshift left operator that's missing in Lua.
--- @source https://ebens.me/post/simulate-bitwise-shift-operators-in-lua/
--- @param	value	number	The number to bitshift left.
--- @param	places	number	The number of bits to shift it by to the left.
-function Xoshiro._bitshift_left(value, places)
-	return value * 2 ^ places
-end
-
---- Polyfill for the bitshift right operator that's missing in Lua.
--- @source https://ebens.me/post/simulate-bitwise-shift-operators-in-lua/
--- @param	value	number	The number to bitshift right.
--- @param	places	number	The number of bits to shift it by to the right.
-function Xoshiro._bitshift_right(value, places)
-	return math.floor(value / 2 ^ places)
-end
-
--- Bitwise OR polyfill.
--- The source also has polyfills for bitwise AND, NOT, and XOR.
--- @source https://stackoverflow.com/a/25594410/1460422
--- @param	a	number	The left-hand argument to the bitwise or operation.
--- @param	b	number	The right-hand argument to the bitwise or operation.
--- @returns	number		The result of the bitwise or operation.
-function Xoshiro._bitwise_or(a,b)
-    local p,c=1,0
-    while a+b>0 do
-        local ra,rb=a%2,b%2
-        if ra+rb>0 then c=c+p end
-        a,b,p=(a-ra)/2,(b-rb)/2,p*2
-    end
-    return c
-end
-
--- Bitwise XOR polyfill.
--- The source also has polyfills for bitwise AND, OR, and NOT.
--- @source https://stackoverflow.com/a/25594410/1460422
--- @param	a	number	The left-hand argument to the bitwise xor operation.
--- @param	b	number	The right-hand argument to the bitwise xor operation.
--- @returns	number		The result of the bitwise xor operation.
-function Xoshiro._bitwise_xor(a,b)
-    local p,c=1,0
-    while a>0 and b>0 do
-        local ra,rb=a%2,b%2
-        if ra~=rb then c=c+p end
-        a,b,p=(a-ra)/2,(b-rb)/2,p*2
-    end
-    if a<b then a=b end
-    while a>0 do
-        local ra=a%2
-        if ra>0 then c=c+p end
-        a,p=(a-ra)/2,p*2
-    end
-    return c
-end
-
-
-function Xoshiro._rol64(x, k)
-	return Xoshiro._bitwise_or(
-		Xoshiro._bitshift_left(x, k),
-		Xoshiro._bitshift_right(x, 64 - k)
-	)
-end
-
-function Xoshiro.random_raw(self)
-	local result = self.state[1] + self.state[4]
-	local t = Xoshiro._bitshift_right(self.state[2], 17)
-	
-	self.state[3] = Xoshiro._bitwise_xor(self.state[3], self.state[1])
-	self.state[4] = Xoshiro._bitwise_xor(self.state[4], self.state[2])
-	self.state[2] = Xoshiro._bitwise_xor(self.state[2], self.state[3])
-	self.state[1] = Xoshiro._bitwise_xor(self.state[1], self.state[4])
-	
-	self.state[3] = Xoshiro._bitwise_xor(self.state[3], t)
-	self.state[4] = Xoshiro._rol64(self.state[4], 45)
-	
-	return result
-end
-
-function Xoshiro.random(self)
-	return self:random_raw()
-end
-
-print("_G", _G)
-
-for key,value in pairs(_G) do
-	print(key, "→", value)
-end
-
-return Xoshiro

worldeditadditions/utils/random_test.lua

@@ -1,9 +0,0 @@
-Xoshiro = require("random")
-
-rand = Xoshiro.new()
-
-print(rand)
-
-for i=1,25 do
-	print(i, "→", rand:random())
-end