mirror of
https://github.com/luau-lang/luau.git
synced 2024-12-13 05:20:38 +00:00
79 lines
2.2 KiB
Lua
79 lines
2.2 KiB
Lua
--[[
|
|
MIT License
|
|
|
|
Copyright (c) 2017 Gabriel de Quadros Ligneul
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
]]
|
|
local bench = script and require(script.Parent.bench_support) or require("bench_support")
|
|
|
|
function test()
|
|
|
|
|
|
local random, floor = math.random, math.floor
|
|
floor = math.ifloor or floor
|
|
|
|
function heapsort(n, ra)
|
|
local j, i, rra
|
|
local l = floor(n/2) + 1
|
|
-- local l = (n//2) + 1
|
|
local ir = n;
|
|
while 1 do
|
|
if l > 1 then
|
|
l = l - 1
|
|
rra = ra[l]
|
|
else
|
|
rra = ra[ir]
|
|
ra[ir] = ra[1]
|
|
ir = ir - 1
|
|
if (ir == 1) then
|
|
ra[1] = rra
|
|
return
|
|
end
|
|
end
|
|
i = l
|
|
j = l * 2
|
|
while j <= ir do
|
|
if (j < ir) and (ra[j] < ra[j+1]) then
|
|
j = j + 1
|
|
end
|
|
if rra < ra[j] then
|
|
ra[i] = ra[j]
|
|
i = j
|
|
j = j + i
|
|
else
|
|
j = ir + 1
|
|
end
|
|
end
|
|
ra[i] = rra
|
|
end
|
|
end
|
|
|
|
local Num = tonumber((arg and arg[1])) or 4
|
|
for i=1,Num do
|
|
local N = tonumber((arg and arg[2])) or 10000
|
|
local a = {}
|
|
for i=1,N do a[i] = random() end
|
|
heapsort(N, a)
|
|
for i=1,N-1 do assert(a[i] <= a[i+1]) end
|
|
end
|
|
|
|
end
|
|
|
|
bench.runCode(test, "heapsort")
|