mathx

package

v1.4.3 Latest Latest Go to latest Published: Nov 5, 2022 License: MIT Imports: 4 Imported by: 0

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func CalcEntropy(m map[interface{}]int) float64

CalcEntropy calculates the entropy of m.

func MaxInt(a, b int) int

MaxInt returns the larger one of a and b.

func MinInt(a, b int) int

MinInt returns the smaller one of a and b.

type Proba struct {
	// contains filtered or unexported fields
}

A Proba is used to test if true on given probability.

func NewProba() *Proba

NewProba returns a Proba.

func (p *Proba) TrueOnProba(proba float64) (truth bool)

TrueOnProba checks if true on given probability.

type Unstable struct {
	// contains filtered or unexported fields
}

An Unstable is used to generate random value around the mean value base on given deviation.

func NewUnstable(deviation float64) Unstable

NewUnstable returns an Unstable.

func (u Unstable) AroundDuration(base time.Duration) time.Duration

AroundDuration returns a random duration with given base and deviation.

func (u Unstable) AroundInt(base int64) int64

AroundInt returns a random int64 with given base and deviation.