package number

import (
	"cmp"
	"math"
)

func Fixed3(num float64) float64 {
	return fixed(num, 3)
}

func Fixed12(num float64) float64 {
	return fixed(num, 12)
}

func fixed(num float64, precision int) float64 {
	output := math.Pow(10, float64(precision))
	return float64(round(num*output)) / output
}

func round(num float64) int {
	return int(num + math.Copysign(0.5, num))
}

func Max[T cmp.Ordered](x, y T) T {
	if cmp.Compare(x, y) == 1 {
		return x
	}
	return y
}