go/src/math/rand/rng.go

const rngLen …

const rngTap …

const rngMax …

const rngMask …

const int32max …

var rngCooked …

type rngSource …

// seed rng x[n+1] = 48271 * x[n] mod (2**31 - 1)
func seedrand(x int32) int32 { … }

// Seed uses the provided seed value to initialize the generator to a deterministic state.
func (rng *rngSource) Seed(seed int64) { … }

// Int63 returns a non-negative pseudo-random 63-bit integer as an int64.
func (rng *rngSource) Int63() int64 { … }

// Uint64 returns a non-negative pseudo-random 64-bit integer as a uint64.
func (rng *rngSource) Uint64() uint64 { … }