mathutil

package

v2.6.0 Latest Latest Go to latest Published: Mar 17, 2021 License: LGPL-3.0 Imports: 2 Imported by: 2

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func LastNum(num, last int64) (int64, error)

LastNum 对 num 进行截断，提取自 last 位置开始的所有数字。错误时返回 -1。

func LastNumRange(num, last, len int64) (int64, error)

LastNumRange 对 num 进行截断，提取自 last 位置开始的 len 长度个数字。错误时返回 -1。

func RoundToInt(f float64) int

func RoundToInt32(f float64) int32

func RoundToInt64(f float64) int64

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