streamA = stream generatorA generatorAStart
streamB = stream generatorB generatorBStart
-generator :: Word64 -> Word64 -> Word64 -> Word64
+generator :: Int -> Int -> Int -> Int
generator divisor factor n = n * factor `rem` divisor
-toWord16 :: Word64 -> Word16
+toWord16 :: Int -> Word16
toWord16 = fromIntegral
-stream :: (Word64 -> Word64) -> Word64 -> [Word16]
+stream :: (Int -> Int) -> Int -> [Word16]
stream gen n0 = map toWord16 $ drop 1 $ iterate gen n0
filteredStream :: Word16 -> [Word16] -> [Word16]
-filteredStream f str = filter ((== 0) . ( .&. f)) str
+filteredStream f = filter ((== 0) . ( .&. f))