[Haskell-beginners] This code does not work : conversion error

[mukesh tiwari]

Hi Willie,
Here is the code  modified
maxexp2:: Int -> Int
maxexp2 n
    |n== 0 || 2^k `mod` n /=0 =0
    |otherwise = k
          where
            k = e `div` f
            e  = round  ( log ( fromIntegral n ) )
            f = round ( (log 2.0 ))

When you computing  k then use backticks (`) [1]  not the single quote ( ' )

[1] http://book.realworldhaskell.org/read/functional-programming.html( See
Infix function )


On Sun, Dec 1, 2013 at 12:52 PM, willie ekaputra
<willieekaputra at gmail.com>wrote:

> Hi everyone !
> I am newbie and I made this code for counting k, so that 2^k divisor of
> n.Somehow it doesn't work.
> Anyone knows what is  wrong?
>
> Regards and thanks.
> Wili.
>
> maxexp2:: Int -> Int
> maxexp2 n
>     |n== 0 || 2^k 'mod' n /=0 =0
>     |otherwise = k
>           Where
>            k= e ' div' f
>            e=round (fromIntegral (log n))
>             f = round (fromIntegral (log 2))
>
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>
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