golang浮点数判断相等和大小比较的坑

const Accuracy = 0.000001

// MIN 为用户自定义的比较精度
func IsFloat64Equal(a, b float64) bool {
	return math.Abs(a-b) < Accuracy
}

func IsFloat64Greater(a, b float64) bool {
	return math.Max(a, b) == a && math.Abs(a-b) > Accuracy
}

func IsFloat64Smaller(a, b float64) bool {
	return math.Max(a, b) == b && math.Abs(a-b) > Accuracy
}

func IsFloat64GreaterOrEqual(a, b float64) bool {
	return math.Max(a, b) == a || math.Abs(a-b) < Accuracy
}

func IsFloat64SmallerOrEqual(a, b float64) bool {
	return math.Max(a, b) == b || math.Abs(a-b) < Accuracy
}