randc

README

随机和权重

随机

• 分别是int、int32、int64随机
• 查看int64 可以看到包含和不包含

权重

Documentation

Overview

Package randc 权重随机出结果 返回下标

Index

• func Float32() float32
• func Float64() float64
• func GaussFloat64(x int64, miu int64, sigma int64) float64
• func GaussInt64(min int64, max int64, miu int64, sigma int64) int64
• func GetStringOrder() (order string)
• func RandInt(n int) int
• func RandInt32(n int32) int32
• func RandInt64(n int64) int64
• func RandSection(min, max int64) int64
• func RandSectionContain(min, max int64) int64
• func RandSectionContainInt(min, max int) int
• func RandSectionInt(min, max int) int
• func RandomSection(probability []int64) (section int)
• func Weight(weight []uint64) int64
• func WeightF(weight []float64) int
• func WeightedRandomIndex(weights []float32) int
• type IdWorker
  • func (w *IdWorker) InitIdWorker(workerId, datacenterId int64) error
  • func (w *IdWorker) NextId() (int64, error)

Functions

func Float32

func Float32() float32

func Float64

func Float64() float64

func GaussFloat64

func GaussFloat64(x int64, miu int64, sigma int64) float64

GaussFloat64 ... @Description: @param x @param miu @param sigma @return float64

func GaussInt64

func GaussInt64(min int64, max int64, miu int64, sigma int64) int64

GaussInt64 ... @Description: 正态(高斯)分布随机数生产器 @param min 最小值 @param max 最大值 @param miu 期望值（均值） @param sigma 方差 @return int64

func GetStringOrder

func GetStringOrder() (order string)

func RandInt

func RandInt(n int) int

RandInt [0,n)

func RandInt32

func RandInt32(n int32) int32

RandInt32 [0,n)

func RandInt64

func RandInt64(n int64) int64

RandInt64 [0,n)

func RandSection

func RandSection(min, max int64) int64

RandSection [min,max)

func RandSectionContain

func RandSectionContain(min, max int64) int64

RandSectionContain [min,max]

func RandSectionContainInt

func RandSectionContainInt(min, max int) int

RandSectionContainInt [min,max]

func RandSectionInt

func RandSectionInt(min, max int) int

RandSectionInt [min,max)

func RandomSection

func RandomSection(probability []int64) (section int)

RandomSection 总和==1000 的数组 返回概率数组下标（下标从0开始的）

func Weight

func Weight(weight []uint64) int64

Weight 随机数权重

func WeightF

func WeightF(weight []float64) int

WeightF And must be 1

func WeightedRandomIndex

func WeightedRandomIndex(weights []float32) int

Types

type IdWorker

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

func (*IdWorker) InitIdWorker

func (w *IdWorker) InitIdWorker(workerId, datacenterId int64) error

func (*IdWorker) NextId

func (w *IdWorker) NextId() (int64, error)