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[ghc-hetmet.git]
/
ghc
/
tests
/
io
/
should_run
/
io012.hs
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-- !!! Test getCPUTime
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import IO
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import CPUTime
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main = do
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t <- getCPUTime
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print (nfib 30)
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t <- getCPUTime
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print (length (show t)) -- printing the CPU time itself is un-cool if you want to diff the output..
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nfib :: Integer -> Integer
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nfib n
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| n <= 1 = 1
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| otherwise = (n1 + n2 + 1)
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where
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n1 = nfib (n-1)
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n2 = nfib (n-2)