mathx

package

v1.2.2 Latest Latest Go to latest Published: Mar 30, 2023 License: Apache-2.0 Imports: 5 Imported by: 1

Details

* @Author: cnzf1 * @Date: 2022-12-13 12:02:38 * @LastEditors: cnzf1 * @LastEditTime: 2023-03-29 11:23:09 * @Description:

* @Author: cnzf1 * @Date: 2021-10-15 17:30:22 * @Last Modified by: cnzf1 * @Last Modified time: 2021-10-15 17:33:25

* @Author: cnzf1 * @Date: 2023-03-13 11:18:12 * @LastEditors: cnzf1 * @LastEditTime: 2023-03-13 23:18:41 * @Description: 自底向上归并排序算法

* @Author: cnzf1 * @Date: 2022-11-25 16:29:40 * @LastEditors: cnzf1 * @LastEditTime: 2022-11-25 16:29:51 * @Description:

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

CalcEntropy calculates the entropy of m.

func PrintFisrt0BitNum(s uint64) (d uint64)

从低位开始，获取s中的第一个为0的位所代表的整数比如s=3（0011）返回4; 若s=6(0110)返回1

func PrintFisrt1BitNum(s uint64) (d uint64)

从低位开始，获取s中的第一个为1的位所代表的整数比如s=3（0011）返回1; 若s=6(0110)返回2

func RandStr(size int) []byte

RandStr return a random string, size specify the string length.

type ListNode struct {
	Val  int
	Next *ListNode
}

func MergeSort(head *ListNode) *ListNode

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

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

func NewUnstable(deviation float64) Unstable

NewUnstable returns a 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.