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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Averages-Simple-moving-average/Picat/averages-simple-moving-average.picat Normal file
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main =>
L=[1, 2, 3, 4, 5, 5, 4, 3, 2, 1],
Map3 = new_map([p=3]),
Map5 = new_map([p=5]),
foreach(N in L)
printf("n: %-2d sma3: %-17w sma5: %-17w\n",N, sma(N,Map3), sma(N,Map5))
end.
sma(N,Map) = Average =>
Stream = Map.get(stream,[]) ++ [N],
if Stream.len > Map.get(p) then
Stream := Stream.tail
end,
Average = cond(Stream.len == 0,
0,
sum(Stream) / Stream.len),
Map.put(stream,Stream).