go/src/math/rand/zipf.go

type Zipf …

func (z *Zipf) h(x float64) float64 { … }

func (z *Zipf) hinv(x float64) float64 { … }

// NewZipf returns a [Zipf] variate generator.
// The generator generates values k ∈ [0, imax]
// such that P(k) is proportional to (v + k) ** (-s).
// Requirements: s > 1 and v >= 1.
func NewZipf(r *Rand, s float64, v float64, imax uint64) *Zipf { … }

// Uint64 returns a value drawn from the [Zipf] distribution described
// by the [Zipf] object.
func (z *Zipf) Uint64() uint64 { … }