package util import ( "fmt" "math" "strconv" ) func StringToFloat64(str string) float64 { n, _ := strconv.ParseFloat(str, 64) return n } func Float64ToString(num float64) string { return fmt.Sprintf("%v", toFixed(num, 2)) } func round(num float64) int { return int(num + math.Copysign(0.5, num)) } func toFixed(num float64, precision int) float64 { output := math.Pow(10, float64(precision)) return float64(round(num*output)) / output }