diff --git a/README.md b/README.md
index 6d37678..ff8e2ce 100644
--- a/README.md
+++ b/README.md
@@ -953,6 +953,14 @@ import "github.com/duke-git/lancet/v2/mathutil"
- **TruncRound** : round off n decimal places for int64.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/mathutil.md#TruncRound)]
[[play](https://go.dev/play/p/aumarSHIGzP)]
+- **CeilToFloat** : round float up n decimal places.
+ [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/mathutil.md#CeilToFloat)]
+- **CeilToString** : round float up n decimal places, then conver to string.
+ [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/mathutil.md#CeilToString)]
+- **FloorToFloat** : round float down n decimal places.
+ [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/mathutil.md#FloorToFloat)]
+- **FloorToString** : round float down n decimal places, then conver to string.
+ [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/mathutil.md#FloorToString)]
- **Range** : Creates a slice of numbers from start with specified count, element step is 1.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/mathutil.md#Range)]
[[play](https://go.dev/play/p/9ke2opxa8ZP)]
@@ -992,6 +1000,9 @@ import "github.com/duke-git/lancet/v2/mathutil"
- **Abs** : returns the absolute value of param number.
[[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/mathutil.md#Sum)]
[[play](https://go.dev/play/p/fsyBh1Os-1d)]
+- **Div** : returns the result of x divided by y.
+ [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/mathutil.md#Div)]
+
14. Netutil package contains functions to get net information and send http request. index
diff --git a/README_zh-CN.md b/README_zh-CN.md
index 3eeedd8..6e21291 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -952,6 +952,14 @@ import "github.com/duke-git/lancet/v2/mathutil"
- **TruncRound** : 截短 n 位小数（不进行四舍五入）。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/mathutil.md#TruncRound)]
[[play](https://go.dev/play/p/aumarSHIGzP)]
+- **CeilToFloat** : 向上舍入（进一法），保留n位小数。
+ [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/mathutil.md#CeilToFloat)]
+- **CeilToString** : 向上舍入（进一法），保留n位小数，返回字符串。
+ [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/mathutil.md#CeilToString)]
+- **FloorToFloat** : 向下舍入（去尾法），保留n位小数。
+ [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/mathutil.md#FloorToFloat)]
+- **FloorToString** : 向下舍入（去尾法），保留n位小数，返回字符串。
+ [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/mathutil.md#FloorToString)]
- **Range** : 根据指定的起始值和数量，创建一个数字切片。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/mathutil.md#Range)]
[[play](https://go.dev/play/p/9ke2opxa8ZP)]
@@ -991,6 +999,10 @@ import "github.com/duke-git/lancet/v2/mathutil"
- **Abs** : 求绝对值。
[[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/mathutil.md#Sum)]
[[play](https://go.dev/play/p/fsyBh1Os-1d)]
+- **Div** : 除法运算。
+ [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/mathutil.md#Div)]
+
+
14. netutil 网络包支持获取 ip 地址，发送 http 请求。 回到目录
diff --git a/docs/api/packages/mathutil.md b/docs/api/packages/mathutil.md
index da5326a..ddbf363 100644
--- a/docs/api/packages/mathutil.md
+++ b/docs/api/packages/mathutil.md
@@ -500,7 +500,7 @@ func main() {
### CeilToFloat
-向上舍入（进一法），保留 n 位小数
+向上舍入（进一法），保留n位小数。
函数签名:
@@ -536,7 +536,7 @@ func main() {
### CeilToString
-向上舍入（进一法），保留 n 位小数，返回字符串
+向上舍入（进一法），保留n位小数，返回字符串。
函数签名:
@@ -572,7 +572,7 @@ func main() {
### FloorToFloat
-向下舍入（去尾法），保留 n 位小数
+向下舍入（去尾法），保留n位小数。
函数签名:
@@ -608,7 +608,7 @@ func main() {
### FloorToString
-向下舍入（去尾法），保留 n 位小数，返回字符串
+向下舍入（去尾法），保留n位小数，返回字符串。
函数签名:
@@ -1127,3 +1127,38 @@ func main() {
// 0.2
}
```
+
+### Div
+
+除法运算.
+
+函数签名:
+
+```go
+func Div[T constraints.Float | constraints.Integer](x T, y T) float64
+```
+
+示例:
+
+```go
+package main
+
+import (
+ "fmt"
+ "github.com/duke-git/lancet/v2/mathutil"
+)
+
+func main() {
+ result1 := mathutil.Div(9, 4)
+ result2 := mathutil.Div(1, 2)
+ result3 := mathutil.Div(0, 666)
+
+ fmt.Println(result1)
+ fmt.Println(result2)
+ fmt.Println(result3)
+ // Output:
+ // 2.25
+ // 0.5
+ // 0
+}
+```
\ No newline at end of file
diff --git a/mathutil/mathutil.go b/mathutil/mathutil.go
index 7f5d20c..531a0c9 100644
--- a/mathutil/mathutil.go
+++ b/mathutil/mathutil.go
@@ -101,6 +101,7 @@ func TruncRound[T constraints.Float | constraints.Integer](x T, n int) T {
}
// FloorToFloat round down to n decimal places.
+// Play: todo
func FloorToFloat[T constraints.Float | constraints.Integer](x T, n int) float64 {
tmp := math.Pow(10.0, float64(n))
x *= T(tmp)
@@ -109,6 +110,7 @@ func FloorToFloat[T constraints.Float | constraints.Integer](x T, n int) float64
}
// FloorToString round down to n decimal places.
+// Play: todo
func FloorToString[T constraints.Float | constraints.Integer](x T, n int) string {
tmp := math.Pow(10.0, float64(n))
x *= T(tmp)
@@ -118,6 +120,7 @@ func FloorToString[T constraints.Float | constraints.Integer](x T, n int) string
}
// CeilToFloat round up to n decimal places.
+// Play: todo
func CeilToFloat[T constraints.Float | constraints.Integer](x T, n int) float64 {
tmp := math.Pow(10.0, float64(n))
x *= T(tmp)
@@ -126,6 +129,7 @@ func CeilToFloat[T constraints.Float | constraints.Integer](x T, n int) float64
}
// CeilToString round up to n decimal places.
+// Play: todo
func CeilToString[T constraints.Float | constraints.Integer](x T, n int) string {
tmp := math.Pow(10.0, float64(n))
x *= T(tmp)
@@ -387,6 +391,7 @@ func Abs[T constraints.Integer | constraints.Float](x T) T {
}
// Div returns the result of x divided by y.
+// Play: todo
func Div[T constraints.Float | constraints.Integer](x T, y T) float64 {
return float64(x) / float64(y)
}