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doc: add doc for Cos and Sin

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dudaodong
2023-05-28 20:12:40 +08:00
parent ec7232ec40
commit af106a4a8e
3 changed files with 308 additions and 96 deletions
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181
docs/mathutil.md
View File

@@ -42,6 +42,8 @@ import (
- [IsPrime](#IsPrime)
- [GCD](#GCD)
- [LCM](#LCM)
- [Cos](#Cos)
- [Sin](#Sin)
<div STYLE="page-break-after: always;"></div>
@@ -366,17 +368,17 @@ import (
func main() {
result1 := mathutil.Percent(1, 2, 2)
result2 := mathutil.Percent(0.1, 0.3, 2)
result3 := mathutil.Percent(-30305, 408420, 2)
result2 := mathutil.Percent(0.1, 0.3, 2)
result3 := mathutil.Percent(-30305, 408420, 2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 50
// 33.33
// -7.42
// Output:
// 50
// 33.33
// -7.42
}
```
@@ -602,7 +604,6 @@ func main() {
}
```
### <span id="RadianToAngle">RadianToAngle</span>
<p>Converts radian value to angle value.</p>
@@ -669,7 +670,6 @@ func main() {
}
```
### <span id="IsPrime">IsPrime</span>
<p>Checks if number is prime number.</p>
@@ -692,20 +692,20 @@ import (
func main() {
result1 := mathutil.IsPrime(-1)
result2 := mathutil.IsPrime(0)
result3 := mathutil.IsPrime(1)
result4 := mathutil.IsPrime(2)
result2 := mathutil.IsPrime(0)
result3 := mathutil.IsPrime(1)
result4 := mathutil.IsPrime(2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
// Output:
// false
// false
// false
// true
// Output:
// false
// false
// false
// true
}
```
@@ -731,27 +731,26 @@ import (
func main() {
result1 := mathutil.GCD(1, 1)
result2 := mathutil.GCD(1, -1)
result3 := mathutil.GCD(-1, 1)
result4 := mathutil.GCD(-1, -1)
result5 := mathutil.GCD(3, 6, 9)
result2 := mathutil.GCD(1, -1)
result3 := mathutil.GCD(-1, 1)
result4 := mathutil.GCD(-1, -1)
result5 := mathutil.GCD(3, 6, 9)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result5)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result5)
// Output:
// 1
// 1
// -1
// -1
// 3
// Output:
// 1
// 1
// -1
// -1
// 3
}
```
### <span id="LCM">LCM</span>
<p>Return Least Common Multiple (LCM) of integers.</p>
@@ -774,16 +773,102 @@ import (
func main() {
result1 := mathutil.LCM(1, 1)
result2 := mathutil.LCM(1, 2)
result3 := mathutil.LCM(3, 6, 9)
result2 := mathutil.LCM(1, 2)
result3 := mathutil.LCM(3, 6, 9)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 1
// 2
// 18
// Output:
// 1
// 2
// 18
}
```
### <span id="Cos">Cos</span>
<p>Returns the cosine of the radian argument.</p>
<b>Signature:</b>
```go
func Cos(radian float64, precision ...int) float64
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/mathutil"
)
func main() {
result1 := mathutil.Cos(0)
result2 := mathutil.Cos(90)
result3 := mathutil.Cos(180)
result4 := mathutil.Cos(math.Pi)
result5 := mathutil.Cos(math.Pi / 2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result5)
// Output:
// 1
// -0.447
// -0.598
// -1
// 0
}
```
### <span id="Sin">Sin</span>
<p>Returns the sine of the radian argument.</p>
<b>Signature:</b>
```go
func Sin(radian float64, precision ...int) float64
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/mathutil"
)
func main() {
result1 := mathutil.Sin(0)
result2 := mathutil.Sin(90)
result3 := mathutil.Sin(180)
result4 := mathutil.Sin(math.Pi)
result5 := mathutil.Sin(math.Pi / 2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result5)
// Output:
// 0
// 0.894
// -0.801
// 0
// 1
}
```

181
docs/mathutil_zh-CN.md
View File

@@ -42,6 +42,8 @@ import (
- [IsPrime](#IsPrime)
- [GCD](#GCD)
- [LCM](#LCM)
- [Cos](#Cos)
- [Sin](#Sin)
<div STYLE="page-break-after: always;"></div>
@@ -366,17 +368,17 @@ import (
func main() {
result1 := mathutil.Percent(1, 2, 2)
result2 := mathutil.Percent(0.1, 0.3, 2)
result3 := mathutil.Percent(-30305, 408420, 2)
result2 := mathutil.Percent(0.1, 0.3, 2)
result3 := mathutil.Percent(-30305, 408420, 2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 50
// 33.33
// -7.42
// Output:
// 50
// 33.33
// -7.42
}
```
@@ -668,8 +670,6 @@ func main() {
}
```
### <span id="IsPrime">IsPrime</span>
<p>判断质数。</p>
@@ -692,20 +692,20 @@ import (
func main() {
result1 := mathutil.IsPrime(-1)
result2 := mathutil.IsPrime(0)
result3 := mathutil.IsPrime(1)
result4 := mathutil.IsPrime(2)
result2 := mathutil.IsPrime(0)
result3 := mathutil.IsPrime(1)
result4 := mathutil.IsPrime(2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
// Output:
// false
// false
// false
// true
// Output:
// false
// false
// false
// true
}
```
@@ -731,27 +731,26 @@ import (
func main() {
result1 := mathutil.GCD(1, 1)
result2 := mathutil.GCD(1, -1)
result3 := mathutil.GCD(-1, 1)
result4 := mathutil.GCD(-1, -1)
result5 := mathutil.GCD(3, 6, 9)
result2 := mathutil.GCD(1, -1)
result3 := mathutil.GCD(-1, 1)
result4 := mathutil.GCD(-1, -1)
result5 := mathutil.GCD(3, 6, 9)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result5)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result5)
// Output:
// 1
// 1
// -1
// -1
// 3
// Output:
// 1
// 1
// -1
// -1
// 3
}
```
### <span id="LCM">LCM</span>
<p>计算最小公倍数。</p>
@@ -774,16 +773,102 @@ import (
func main() {
result1 := mathutil.LCM(1, 1)
result2 := mathutil.LCM(1, 2)
result3 := mathutil.LCM(3, 6, 9)
result2 := mathutil.LCM(1, 2)
result3 := mathutil.LCM(3, 6, 9)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 1
// 2
// 18
// Output:
// 1
// 2
// 18
}
```
### <span id="Cos">Cos</span>
<p>计算弧度的余弦值</p>
<b>函数签名:</b>
```go
func Cos(radian float64, precision ...int) float64
```
<b>示例:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/mathutil"
)
func main() {
result1 := mathutil.Cos(0)
result2 := mathutil.Cos(90)
result3 := mathutil.Cos(180)
result4 := mathutil.Cos(math.Pi)
result5 := mathutil.Cos(math.Pi / 2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result5)
// Output:
// 1
// -0.447
// -0.598
// -1
// 0
}
```
### <span id="Sin">Sin</span>
<p>计算弧度的正弦值</p>
<b>函数签名:</b>
```go
func Sin(radian float64, precision ...int) float64
```
<b>示例:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/mathutil"
)
func main() {
result1 := mathutil.Sin(0)
result2 := mathutil.Sin(90)
result3 := mathutil.Sin(180)
result4 := mathutil.Sin(math.Pi)
result5 := mathutil.Sin(math.Pi / 2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result5)
// Output:
// 0
// 0.894
// -0.801
// 0
// 1
}
```

42
mathutil/mathutil_exmaple_test.go
View File

@@ -320,3 +320,45 @@ func ExampleLCM() {
// 2
// 18
}
func ExampleCos() {
result1 := Cos(0)
result2 := Cos(90)
result3 := Cos(180)
result4 := Cos(math.Pi)
result5 := Cos(math.Pi / 2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result5)
// Output:
// 1
// -0.447
// -0.598
// -1
// 0
}
func ExampleSin() {
result1 := Sin(0)
result2 := Sin(90)
result3 := Sin(180)
result4 := Sin(math.Pi)
result5 := Sin(math.Pi / 2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result5)
// Output:
// 0
// 0.894
// -0.801
// 0
// 1
}