[Haskell-cafe] I killed performance of my code with Eval and Strategies

[Bas van Dijk]

On Nov 14, 2012 10:44 PM, "Janek S." <fremenzone at poczta.onet.pl> wrote:
> calculateSeq :: [Double] -> [Double]
> calculateSeq [] = []
> calculateSeq (x:xs) = (sin . sqrt $ x) : xs

Do you really mean to calculate the 'sin . sqrt' of just the head of the
list, or do you mean:

calculateSeq = map (sin . sqrt)   ?

Bas
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