18 lines
344 B
Lua
18 lines
344 B
Lua
local _M = {}
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local bit = require('bit')
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local math = require('math')
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_M.encode = function(number)
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return bit.bxor(number, bit.rshift(number, 1));
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end
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_M.decode = function(gray_code)
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local value = 0
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while gray_code > 0 do
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gray_code, value = bit.rshift(gray_code, 1), bit.bxor(gray_code, value)
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end
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return value
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end
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return _M
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