System.Random.Random123.Threefry

Threefry, a counter-based random number generator (keyed bijection function). Characterized by a high number of rounds involving relatively cheap computations.

Documentation

threefry2

Arguments

:: (ThreefryWord a, Bits a, Num a)

=> Array2 a

key,

-> Array2 a

counter,

-> Array2 a

random number.

Generates a Threefry-2 random number with the optimal number of rounds.

threefry4

Arguments

:: (ThreefryWord a, Bits a, Num a)

=> Array4 a

key,

-> Array4 a

counter,

-> Array4 a

random number.

Generates a Threefry-4 random number with the optimal number of rounds.

threefry2R

Arguments

:: (ThreefryWord a, Bits a, Num a)

=> Int

number of rounds (1-32),

-> Array2 a

key,

-> Array2 a

counter,

-> Array2 a

random number.

Generates a Threefry-2 random number with a custom number of rounds.

threefry4R

Arguments

:: (ThreefryWord a, Bits a, Num a)

=> Int

number of rounds (1-72),

-> Array4 a

key,

-> Array4 a

counter,

-> Array4 a

random number.

Generates a Threefry-4 random number with a custom number of rounds.

class ThreefryWord a

Class of integer types suitable for use in Threefry algorithm.

Instances

ThreefryWord Word32

ThreefryWord Word64