mathx

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v0.1.58 Latest Latest Go to latest Published: Feb 15, 2023 License: Apache-2.0 Imports: 2 Imported by: 5

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github.com/m-lab/go

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Documentation ¶

Index ¶

func GetHaversineDistance(lat1, lon1, lat2, lon2 float64) float64
func Min(a, b int) int
type Random
- func NewRandom(seed int64) Random
- func (r *Random) GetExpDistributedInt(rate float64) int
- func (r *Random) GetRandomInt(max int) int

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func GetHaversineDistance ¶

func GetHaversineDistance(lat1, lon1, lat2, lon2 float64) float64

GetHaversineDistance finds the distance (in km) between two latitude/longitude pairs using the Haversine formula. For more details, see http://en.wikipedia.org/wiki/Haversine_formula.

func Min ¶

func Min(a, b int) int

Min returns the minimum of two ints.

Types ¶

func NewRandom ¶

func NewRandom(seed int64) Random

NewRandom returns a new Random that uses the provided seed to generate random values.

func (*Random) GetExpDistributedInt ¶

func (r *Random) GetExpDistributedInt(rate float64) int

GetExpDistributedInt returns a exponentially distributed number in the interval [0, +math.MaxFloat64), rounded to the nearest int. Callers can adjust the rate of the function through the rate parameter.

func (*Random) GetRandomInt ¶

func (r *Random) GetRandomInt(max int) int

GetRandomInt returns a non-negative pseudo-random number in the interval [0, max). It returns 0 if max <= 0.

Source Files ¶

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