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Files
lancet/mathutil/mathutil_exmaple_test.go
2023-05-18 10:11:48 +08:00

323 lines
4.9 KiB
Go

package mathutil
import (
"fmt"
"math"
)
func ExampleExponent() {
result1 := Exponent(10, 0)
result2 := Exponent(10, 1)
result3 := Exponent(10, 2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 1
// 10
// 100
}
func ExampleFibonacci() {
result1 := Fibonacci(1, 1, 1)
result2 := Fibonacci(1, 1, 2)
result3 := Fibonacci(1, 1, 5)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 1
// 1
// 5
}
func ExampleFactorial() {
result1 := Factorial(1)
result2 := Factorial(2)
result3 := Factorial(3)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 1
// 2
// 6
}
func ExamplePercent() {
result1 := Percent(1, 2, 2)
result2 := Percent(0.1, 0.3, 2)
result3 := Percent(-30305, 408420, 2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 50
// 33.33
// -7.42
}
func ExampleRoundToFloat() {
result1 := RoundToFloat(0.124, 2)
result2 := RoundToFloat(0.125, 2)
result3 := RoundToFloat(0.125, 3)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 0.12
// 0.13
// 0.125
}
func ExampleRoundToString() {
result1 := RoundToString(0.124, 2)
result2 := RoundToString(0.125, 2)
result3 := RoundToString(0.125, 3)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 0.12
// 0.13
// 0.125
}
func ExampleTruncRound() {
result1 := TruncRound(0.124, 2)
result2 := TruncRound(0.125, 2)
result3 := TruncRound(0.125, 3)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 0.12
// 0.12
// 0.125
}
func ExampleAverage() {
result1 := Average(1, 2)
result2 := RoundToFloat(Average(1.2, 1.4), 1)
fmt.Println(result1)
fmt.Println(result2)
// Output:
// 1
// 1.3
}
func ExampleMax() {
result1 := Max(1, 2, 3)
result2 := Max(1.2, 1.4, 1.1, 1.4)
fmt.Println(result1)
fmt.Println(result2)
// Output:
// 3
// 1.4
}
func ExampleMaxBy() {
result1 := MaxBy([]string{"a", "ab", "abc"}, func(v1, v2 string) bool {
return len(v1) > len(v2)
})
result2 := MaxBy([]string{"abd", "abc", "ab"}, func(v1, v2 string) bool {
return len(v1) > len(v2)
})
result3 := MaxBy([]string{}, func(v1, v2 string) bool {
return len(v1) > len(v2)
})
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// abc
// abd
//
}
func ExampleMin() {
result1 := Min(1, 2, 3)
result2 := Min(1.2, 1.4, 1.1, 1.4)
fmt.Println(result1)
fmt.Println(result2)
// Output:
// 1
// 1.1
}
func ExampleMinBy() {
result1 := MinBy([]string{"a", "ab", "abc"}, func(v1, v2 string) bool {
return len(v1) < len(v2)
})
result2 := MinBy([]string{"ab", "ac", "abc"}, func(v1, v2 string) bool {
return len(v1) < len(v2)
})
result3 := MinBy([]string{}, func(v1, v2 string) bool {
return len(v1) < len(v2)
})
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// a
// ab
//
}
func ExampleRange() {
result1 := Range(1, 4)
result2 := Range(1, -4)
result3 := Range(-4, 4)
result4 := Range(1.0, 4)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
// Output:
// [1 2 3 4]
// [1 2 3 4]
// [-4 -3 -2 -1]
// [1 2 3 4]
}
func ExampleRangeWithStep() {
result1 := RangeWithStep(1, 4, 1)
result2 := RangeWithStep(1, -1, 0)
result3 := RangeWithStep(-4, 1, 2)
result4 := RangeWithStep(1.0, 4.0, 1.1)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
// Output:
// [1 2 3]
// []
// [-4 -2 0]
// [1 2.1 3.2]
}
func ExampleAngleToRadian() {
result1 := AngleToRadian(45)
result2 := AngleToRadian(90)
result3 := AngleToRadian(180)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 0.7853981633974483
// 1.5707963267948966
// 3.141592653589793
}
func ExampleRadianToAngle() {
result1 := RadianToAngle(math.Pi)
result2 := RadianToAngle(math.Pi / 2)
result3 := RadianToAngle(math.Pi / 4)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 180
// 90
// 45
}
func ExamplePointDistance() {
result1 := PointDistance(1, 1, 4, 5)
fmt.Println(result1)
// Output:
// 5
}
func ExampleIsPrime() {
result1 := IsPrime(-1)
result2 := IsPrime(0)
result3 := IsPrime(1)
result4 := IsPrime(2)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
// Output:
// false
// false
// false
// true
}
func ExampleGCD() {
result1 := GCD(1, 1)
result2 := GCD(1, -1)
result3 := GCD(-1, 1)
result4 := GCD(-1, -1)
result5 := GCD(3, 6, 9)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
fmt.Println(result4)
fmt.Println(result5)
// Output:
// 1
// 1
// -1
// -1
// 3
}
func ExampleLCM() {
result1 := LCM(1, 1)
result2 := LCM(1, 2)
result3 := LCM(3, 6, 9)
fmt.Println(result1)
fmt.Println(result2)
fmt.Println(result3)
// Output:
// 1
// 2
// 18
}