25 lines
529 B
Lua
25 lines
529 B
Lua
local bit = require 'bit'
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local gray = require 'gray'
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-- simple binary string formatter
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local function to_bit_string(n, width)
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width = width or 1
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local output = ""
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while n > 0 do
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output = bit.band(n,1) .. output
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n = bit.rshift(n,1)
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end
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while #output < width do
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output = '0' .. output
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end
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return output
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end
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for i = 0,31 do
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g = gray.encode(i);
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gd = gray.decode(g);
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print(string.format("%2d : %s => %s => %s : %2d", i,
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to_bit_string(i,5), to_bit_string(g, 5),
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to_bit_string(gd,5), gd))
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end
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