[Haskell-cafe] Is a bug?

Hi,All! I find out that diff between GHC and Hugs: GHC: *Prelude> sqrt 3+4+9 14.732050807568877 Prelude> sqrt 16 4.0 Prelude> sqrt $3+4+9 14.732050807568877* Hugs:*Hugs> sqrt $ 3+4+9* *4.0* *Hugs> sqrt 3+4+9* *14.7320508075689* Which one is right? Thanks. -- Regards, Linker Lin linker.m.lin@gmail.com