import System.IO (IOMode(..), hGetBuf, hPutStrLn, stderr, withBinaryFile)
import System.IO.Unsafe (unsafePerformIO)
+-- FIXME: removal of Unbox constraint leads to severe (~10x)
+-- performance drop with GHC 6.12. For details see bug #33 in the
+-- vector bug tracker
+--  http://trac.haskell.org/vector/ticket/33
-- | The class of types for which we can generate uniformly
-- distributed random variates.