[Haskell-cafe] Why 'round' does not just round numbers ?

Thomas Davie tom.davie at gmail.com
Mon Oct 27 09:50:56 EDT 2008

>> [1] The Haskell 98 Report: Predefined Types and Classes
>>   http://haskell.org/onlinereport/basic.html
> This behaviour is not what I expect after reading the description at
> http://haskell.org/ghc/docs/latest/html/libraries/base/ 
> Prelude.html#v:round
> .  Given that this behaviour has caused a bit of confusion I think a
> change to the documention might be in order.

Given that the documentation says "round x returns the nearest integer  
to x", I think pretty much any behavior can be expected -- there's no  
single integer nearest to 2.5.  The documentation certainly needs  
updated though.

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