使用eclipse时scala中的类型不匹配 套餐周1 导入math.abs 物体牛顿{ def abs(x:Double)=如果(x
排队使用eclipse时scala中的类型不匹配 套餐周1 导入math.abs 物体牛顿{ def abs(x:Double)=如果(x,eclipse,scala,Eclipse,Scala,排队 package week1 import math.abs object newton { def abs(x:Double) = if (x < 0) -x else x def sqrtIter(guess: Double, x: Double): Double = if (isGoodEnough(guess, x)) guess else sqrtIter(improve(guess, x), x) def isGo
package week1
import math.abs
object newton {
def abs(x:Double) = if (x < 0) -x else x
def sqrtIter(guess: Double, x: Double): Double =
if (isGoodEnough(guess, x)) guess
else sqrtIter(improve(guess, x), x)
def isGoodEnough(guess: Double, x: Double)=
abs(guess*guess - x < 0.001)
def improve(guess: Double, x: Double) =
(guess + x/guess)/2
def sqrt (x:Double)= sqrtIter(1.0,x)
}
abs(guess*guess-x这一行
abs (guess*guess - x <0.001)
abs(guess*guess-x这一行
abs (guess*guess - x <0.001)
abs(guess*guess-x这一行
abs (guess*guess - x <0.001)
abs(guess*guess-x这一行
abs (guess*guess - x <0.001)
abs(guess*guess-x也不确定为什么导入math.abs只是为了以后定义自己的abs函数……也不确定为什么导入math.abs只是为了以后定义自己的abs函数……也不确定为什么导入math.abs只是为了以后定义自己的abs函数……也不确定为什么导入math.abs只是为了以后定义自己的abs函数。。。