git/lancet
1
0
Fork 0
mirror of https://github.com/duke-git/lancet.git synced 2026-02-08 22:52:29 +08:00
Code Issues Projects Releases Wiki Activity

feat: add new functions to mathutil package

Browse Source
This commit is contained in:
dudaodong
2024-03-05 10:41:07 +08:00
parent 928e3a390d
commit 5fc21330da
6 changed files with 376 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

148
docs/mathutil.md
View File

@@ -29,6 +29,10 @@ import (
- [RoundToFloat](#RoundToFloat)
- [RoundToString](#RoundToString)
- [TruncRound](#TruncRound)
- [CeilToFloat](#CeilToFloat)
- [CeilToString](#CeilToString)
- [FloorToFloat](#FloorToFloat)
- [FloorToString](#FloorToString)
- [AngleToRadian](#AngleToRadian)
- [RadianToAngle](#RadianToAngle)
- [PointDistance](#PointDistance)
@@ -240,6 +244,150 @@ func main() {
}
```
### <span id="CeilToFloat">CeilToFloat</span>
<p>Round float up n decimal places.</p>
<b>Signature:</b>
```go
func CeilToFloat(x float64, n int) float64
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/mathutil"
)
func main() {
result1 := mathutil.CeilToFloat(3.14159, 1)
result2 := mathutil.CeilToFloat(3.14159, 2)
result3 := mathutil.CeilToFloat(5, 4)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 3.2
// 3.15
// 5
}
```
### <span id="CeilToString">CeilToString</span>
<p>Round float up n decimal places.</p>
<b>Signature:</b>
```go
func CeilToString(x float64, n int) string
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/mathutil"
)
func main() {
result1 := mathutil.CeilToString(3.14159, 1)
result2 := mathutil.CeilToString(3.14159, 2)
result3 := mathutil.CeilToString(5, 4)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 3.2
// 3.15
// 5.0000
}
```
### <span id="FloorToFloat">FloorToFloat</span>
<p>Round float down n decimal places.</p>
<b>Signature:</b>
```go
func CeilToString(x float64, n int) string
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/mathutil"
)
func main() {
result1 := mathutil.FloorToFloat(3.14159, 1)
result2 := mathutil.FloorToFloat(3.14159, 2)
result3 := mathutil.FloorToFloat(5, 4)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 3.1
// 3.14
// 5
}
```
### <span id="FloorToString">FloorToString</span>
<p>Round float down n decimal places.</p>
<b>Signature:</b>
```go
func CeilToString(x float64, n int) string
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/mathutil"
)
func main() {
result1 := mathutil.FloorToString(3.14159, 1)
result2 := mathutil.FloorToString(3.14159, 2)
result3 := mathutil.FloorToString(5, 4)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 3.1
// 3.14
// 5.0000
}
```
### <span id="AngleToRadian">AngleToRadian</span>
<p>Converts angle value to radian value.</p>

149
docs/mathutil_zh-CN.md
View File

@@ -29,6 +29,10 @@ import (
- [RoundToFloat](#RoundToFloat)
- [RoundToString](#RoundToString)
- [TruncRound](#TruncRound)
- [CeilToFloat](#CeilToFloat)
- [CeilToString](#CeilToString)
- [FloorToFloat](#FloorToFloat)
- [FloorToString](#FloorToString)
- [AngleToRadian](#AngleToRadian)
- [RadianToAngle](#RadianToAngle)
- [PointDistance](#PointDistance)
@@ -240,6 +244,151 @@ func main() {
}
```
### <span id="CeilToFloat">CeilToFloat</span>
<p>向上舍入（进一法），保留n位小数。</p>
<b>函数签名:</b>
```go
func CeilToFloat(x float64, n int) float64
```
<b>示例:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/mathutil"
)
func main() {
result1 := mathutil.CeilToFloat(3.14159, 1)
result2 := mathutil.CeilToFloat(3.14159, 2)
result3 := mathutil.CeilToFloat(5, 4)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 3.2
// 3.15
// 5
}
```
### <span id="CeilToString">CeilToString</span>
<p>向上舍入（进一法），保留n位小数，返回字符串。</p>
<b>函数签名:</b>
```go
func CeilToString(x float64, n int) string
```
<b>示例:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/mathutil"
)
func main() {
result1 := mathutil.CeilToString(3.14159, 1)
result2 := mathutil.CeilToString(3.14159, 2)
result3 := mathutil.CeilToString(5, 4)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 3.2
// 3.15
// 5.0000
}
```
### <span id="FloorToFloat">FloorToFloat</span>
<p>向下舍入（去尾法），保留n位小数。</p>
<b>函数签名:</b>
```go
func CeilToString(x float64, n int) string
```
<b>示例:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/mathutil"
)
func main() {
result1 := mathutil.FloorToFloat(3.14159, 1)
result2 := mathutil.FloorToFloat(3.14159, 2)
result3 := mathutil.FloorToFloat(5, 4)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 3.1
// 3.14
// 5
}
```
### <span id="FloorToString">FloorToString</span>
<p>向下舍入（去尾法），保留n位小数，返回字符串。</p>
<b>函数签名:</b>
```go
func CeilToString(x float64, n int) string
```
<b>示例:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/mathutil"
)
func main() {
result1 := mathutil.FloorToString(3.14159, 1)
result2 := mathutil.FloorToString(3.14159, 2)
result3 := mathutil.FloorToString(5, 4)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 3.1
// 3.14
// 5.0000
}
```
### <span id="AngleToRadian">AngleToRadian</span>
<p>将角度值转为弧度值</p>