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59 lines
907 B
Go
59 lines
907 B
Go
5 years ago
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package tools
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import (
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"fmt"
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"math"
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"strconv"
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)
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func Sin(x float64) float64 {
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return (math.Sin(x * math.Pi / 180.00000))
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}
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func Cos(x float64) float64 {
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return (math.Cos(x * math.Pi / 180.00000))
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}
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func Tan(x float64) float64 {
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return (math.Tan(x * math.Pi / 180.00000))
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}
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func ArcSin(x float64) float64 {
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return (math.Asin(x) / math.Pi * 180.00000)
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}
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func ArcCos(x float64) float64 {
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return (math.Acos(x) / math.Pi * 180.00000)
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}
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func ArcTan(x float64) float64 {
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return (math.Atan(x) / math.Pi * 180.00000)
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}
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func FloatRound(f float64, n int) float64 {
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format := "%." + strconv.Itoa(n) + "f"
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res, _ := strconv.ParseFloat(fmt.Sprintf(format, f), 64)
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return res
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}
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func Limit360(x float64) float64 {
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for x > 360 {
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x -= 360
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}
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for x < 0 {
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x += 360
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}
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return x
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}
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func FR(f float64) float64 {
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return FloatRound(f, 14)
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}
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func Abs(x int) int {
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if x < 0 {
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return -x
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}
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return x
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}
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