Ethiopian multiplication: Difference between revisions
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show( (17 ethiopicmult 34) ); |
show( (17 ethiopicmult 34) ); |
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end</lang> |
end</lang> |
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=={{header|Lua}}== |
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<lang lua> |
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function halve(a) |
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return a/2 |
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end |
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function double(a) |
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return a*2 |
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end |
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function isEven(a) |
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return a%2 == 0 |
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end |
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function ethiopian(x, y) |
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local result = 0 |
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while (x >= 1) do |
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if not isEven(x) then |
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result = result + y |
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end |
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x = math.floor(halve(x)) |
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y = double(y) |
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end |
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return result; |
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end |
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print(ethiopian(17, 34)) |
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</lang> |
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=={{header|MMIX}}== |
=={{header|MMIX}}== |
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