import qualified Data.Vector.Unboxed as U
import System.Random.Mersenne.Pure64
import qualified Data.Vector.Random.Mersenne as G
import Data.Int

main = do
    g <- newPureMT
--     let a = U.map realToFrac (G.randoms g 10000000 :: U.Vector Double) :: U.Vector Float -- 100 M
    let a = G.randoms g 10000000 -- :: U.Vector Int8 -- 100 M
    print (U.and a)