QuickCheck-2.9.2: Automatic testing of Haskell programs

Safe Haskell | Trustworthy
Language | Haskell98

Test.QuickCheck.Random

Description

A wrapper around the system random number generator. Internal QuickCheck module.

Synopsis

- newTheGen :: IO TFGen
- bits :: Integral a => a
- mask :: Integral a => a
- doneBit :: Integral a => a
- chip :: Bool -> Word32 -> TFGen -> TFGen
- chop :: Integer -> Integer
- stop :: Integral a => a -> Bool
- mkTheGen :: Int -> TFGen
- newtype QCGen = QCGen TFGen
- newQCGen :: IO QCGen
- mkQCGen :: Int -> QCGen
- bigNatVariant :: Integer -> TFGen -> TFGen
- natVariant :: Integral a => a -> TFGen -> TFGen
- variantTheGen :: Integral a => a -> TFGen -> TFGen
- boolVariant :: Bool -> TFGen -> TFGen
- variantQCGen :: Integral a => a -> QCGen -> QCGen

# Documentation

newTheGen :: IO TFGen #

bits :: Integral a => a #

mask :: Integral a => a #

doneBit :: Integral a => a #

chip :: Bool -> Word32 -> TFGen -> TFGen #

chop :: Integer -> Integer #

stop :: Integral a => a -> Bool #

mkTheGen :: Int -> TFGen #

newtype QCGen #

The "standard" QuickCheck random number generator. A wrapper around either `TFGen` on GHC, or `StdGen` on other Haskell systems.

Constructors

QCGen TFGen |

Instances

Read QCGen # |
Methods readsPrec :: Int -> ReadS QCGen # readList :: ReadS [QCGen] # readPrec :: ReadPrec QCGen # readListPrec :: ReadPrec [QCGen] #
Show QCGen # |
Methods showsPrec :: Int -> QCGen -> ShowS # show :: QCGen -> String # showList :: [QCGen] -> ShowS #
RandomGen QCGen # |
Methods next :: QCGen -> (Int, QCGen) # genRange :: QCGen -> (Int, Int) # split :: QCGen -> (QCGen, QCGen) #

newQCGen :: IO QCGen #

mkQCGen :: Int -> QCGen #

bigNatVariant :: Integer -> TFGen -> TFGen #

natVariant :: Integral a => a -> TFGen -> TFGen #

variantTheGen :: Integral a => a -> TFGen -> TFGen #

boolVariant :: Bool -> TFGen -> TFGen #

variantQCGen :: Integral a => a -> QCGen -> QCGen #