go Dim()方法,返回参数差与0的最大值
Dim()方法语法
func Dim(x, y float64) float64
go源码对Dim()方法的介绍:
Dim returns the maximum of x-y or 0.
Special cases are:
Dim(+Inf, +Inf) = NaN
Dim(-Inf, -Inf) = NaN
Dim(x, NaN) = Dim(NaN, x) = NaN
即,golang的math.Dim()方法,可以用于比较两个参数x和y的差,及x-y的值与0之间的大小关系,并返回二者之中的最大值。除此之外,Dim(+Inf, +Inf) = NaN;Dim(-Inf, -Inf) = NaN;Dim(x, NaN) = Dim(NaN, x) = NaN。
math.Dim()方法实例代码
func main() {
dim_num := math.Dim(9, 3)
fmt.Println(dim_num)
}
运行go文件,得到输出:
6