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89a7d171ee
Bumps [github.com/gookit/config/v2](https://github.com/gookit/config) from 2.2.6 to 2.2.7. - [Release notes](https://github.com/gookit/config/releases) - [Commits](https://github.com/gookit/config/compare/v2.2.6...v2.2.7) --- updated-dependencies: - dependency-name: github.com/gookit/config/v2 dependency-version: 2.2.7 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>
110 lines
2.4 KiB
Go
110 lines
2.4 KiB
Go
// Package mathutil provide math(int, number) util functions. eg: convert, math calc, random
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package mathutil
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import (
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"math"
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"github.com/gookit/goutil/comdef"
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)
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// OrElse return default value on val is zero, else return val
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func OrElse[T comdef.Number](val, defVal T) T {
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return ZeroOr(val, defVal)
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}
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// ZeroOr return default value on val is zero, else return val
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func ZeroOr[T comdef.Number](val, defVal T) T {
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if val != 0 {
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return val
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}
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return defVal
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}
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// LessOr return val on val < max, else return default value.
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//
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// Example:
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//
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// LessOr(11, 10, 1) // 1
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// LessOr(2, 10, 1) // 2
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// LessOr(10, 10, 1) // 1
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func LessOr[T comdef.Number](val, max, devVal T) T {
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if val < max {
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return val
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}
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return devVal
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}
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// LteOr return val on val <= max, else return default value.
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//
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// Example:
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//
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// LteOr(11, 10, 1) // 11
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// LteOr(2, 10, 1) // 2
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// LteOr(10, 10, 1) // 10
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func LteOr[T comdef.Number](val, max, devVal T) T {
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if val <= max {
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return val
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}
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return devVal
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}
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// GreaterOr return val on val > max, else return default value.
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//
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// Example:
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//
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// GreaterOr(23, 0, 2) // 23
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// GreaterOr(0, 0, 2) // 2
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func GreaterOr[T comdef.Number](val, min, defVal T) T {
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if val > min {
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return val
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}
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return defVal
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}
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// GteOr return val on val >= max, else return default value.
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//
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// Example:
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//
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// GteOr(23, 0, 2) // 23
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// GteOr(0, 0, 2) // 0
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func GteOr[T comdef.Number](val, min, defVal T) T {
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if val >= min {
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return val
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}
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return defVal
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}
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// Mul computes the `a*b` value, rounding the result.
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func Mul[T1, T2 comdef.Number](a T1, b T2) float64 {
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return math.Round(SafeFloat(a) * SafeFloat(b))
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}
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// MulF2i computes the float64 type a * b value, rounding the result to an integer.
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func MulF2i(a, b float64) int {
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return int(math.Round(a * b))
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}
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// Div computes the `a/b` value, result uses a round handle.
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func Div[T1, T2 comdef.Number](a T1, b T2) float64 {
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return math.Round(SafeFloat(a) / SafeFloat(b))
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}
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// DivInt computes the int type a / b value, rounding the result to an integer.
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func DivInt[T comdef.Integer](a, b T) int {
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fv := math.Round(float64(a) / float64(b))
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return int(fv)
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}
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// DivF2i computes the float64 type a / b value, rounding the result to an integer.
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func DivF2i(a, b float64) int {
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return int(math.Round(a / b))
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}
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// Percent returns a value percentage of the total
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func Percent(val, total int) float64 {
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if total == 0 {
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return float64(0)
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}
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return (float64(val) / float64(total)) * 100
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}
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