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https://github.com/luau-lang/luau.git
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57 lines
1.7 KiB
Lua
57 lines
1.7 KiB
Lua
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--[[
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MIT License
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Copyright (c) 2017 Gabriel de Quadros Ligneul
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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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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-- fixed-point operator
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local Z = function (le)
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local a = function (f)
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return le(function (x) return f(f)(x) end)
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end
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return a(a)
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end
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-- non-recursive factorial
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local F = function (f)
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return function (n)
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if n == 0 then return 1
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else return n*f(n-1) end
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end
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end
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local fat = Z(F)
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local s = 0
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for i = 1, (arg and arg[1]) or 1000 do s = s + fat(i) end
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--print(s)
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end
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bench.runCode(test, "fixpoint-fact")
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