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fix: update logic of Percent function

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This commit is contained in:
dudaodong
2023-05-18 10:11:48 +08:00
parent cd91e16b26
commit f05477d9cf
5 changed files with 29 additions and 19 deletions
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17
docs/mathutil.md
View File

@@ -365,15 +365,18 @@ import (
) )
func main() { func main() {
result1 := mathutil.Percent(1, 2, 2) result1 := Percent(1, 2, 2)
result2 := mathutil.Percent(0.1, 0.3, 2) result2 := Percent(0.1, 0.3, 2)
result3 := Percent(-30305, 408420, 2)
fmt.Println(result1) fmt.Println(result1)
fmt.Println(result2) fmt.Println(result2)
fmt.Println(result3)
// Output: // Output:
// 0.5 // 50
// 0.33 // 33.33
// -7.42
} }
``` ```

17
docs/mathutil_zh-CN.md
View File

@@ -365,15 +365,18 @@ import (
) )
func main() { func main() {
result1 := mathutil.Percent(1, 2, 2) result1 := Percent(1, 2, 2)
result2 := mathutil.Percent(0.1, 0.3, 2) result2 := Percent(0.1, 0.3, 2)
result3 := Percent(-30305, 408420, 2)
fmt.Println(result1) fmt.Println(result1)
fmt.Println(result2) fmt.Println(result2)
fmt.Println(result3)
// Output: // Output:
// 0.5 // 50
// 0.33 // 33.33
// -7.42
} }
``` ```

2
mathutil/mathutil.go
View File

@@ -60,7 +60,7 @@ func Percent(val, total float64, n int) float64 {
if total == 0 { if total == 0 {
return float64(0) return float64(0)
} }
tmp := val / total tmp := val / total * 100
result := RoundToFloat(tmp, n) result := RoundToFloat(tmp, n)
return result return result

7
mathutil/mathutil_exmaple_test.go
View File

@@ -53,13 +53,16 @@ func ExampleFactorial() {
func ExamplePercent() { func ExamplePercent() {
result1 := Percent(1, 2, 2) result1 := Percent(1, 2, 2)
result2 := Percent(0.1, 0.3, 2) result2 := Percent(0.1, 0.3, 2)
result3 := Percent(-30305, 408420, 2)
fmt.Println(result1) fmt.Println(result1)
fmt.Println(result2) fmt.Println(result2)
fmt.Println(result3)
// Output: // Output:
// 0.5 // 50
// 0.33 // 33.33
// -7.42
} }
func ExampleRoundToFloat() { func ExampleRoundToFloat() {

5
mathutil/mathutil_test.go
View File

@@ -36,8 +36,9 @@ func TestFactorial(t *testing.T) {
func TestPercent(t *testing.T) { func TestPercent(t *testing.T) {
assert := internal.NewAssert(t, "TestPercent") assert := internal.NewAssert(t, "TestPercent")
assert.Equal(0.5, Percent(1, 2, 2)) assert.EqualValues(50, Percent(1, 2, 2))
assert.Equal(0.33, Percent(0.1, 0.3, 2)) assert.EqualValues(33.33, Percent(0.1, 0.3, 2))
assert.EqualValues(-7.42, Percent(-30305, 408420, 2))
} }
func TestRoundToFloat(t *testing.T) { func TestRoundToFloat(t *testing.T) {