43 lines
926 B
Lua
43 lines
926 B
Lua
--[[
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The Great Computer Language Shootout
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http://shootout.alioth.debian.org/
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contributed by Isaac Gouy
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]]
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local bench = script and require(script.Parent.bench_support) or require("bench_support")
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function test()
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local function ack(m,n)
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if (m==0) then return n+1; end
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if (n==0) then return ack(m-1,1); end
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return ack(m-1, ack(m,n-1) );
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end
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local function fib(n)
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if (n < 2) then return 1; end
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return fib(n-2) + fib(n-1);
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end
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local function tak(x,y,z)
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if (y >= x) then return z; end
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return tak(tak(x-1,y,z), tak(y-1,z,x), tak(z-1,x,y));
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end
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local result = 0;
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for i = 3,5 do
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result = result + ack(3,i);
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result = result + fib(17+i);
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result = result + tak(3*i+3,2*i+2,i+1);
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end
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local expected = 57775;
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if (result ~= expected) then
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assert(false, "ERROR: bad result: expected " .. expected .. " but got " .. result);
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end
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end
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bench.runCode(test, "controlflow-recursive")
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