diff options
Diffstat (limited to 'Scala/sqrt')
-rw-r--r-- | Scala/sqrt/sqrt.scala | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/Scala/sqrt/sqrt.scala b/Scala/sqrt/sqrt.scala deleted file mode 100644 index b99d61e..0000000 --- a/Scala/sqrt/sqrt.scala +++ /dev/null @@ -1,27 +0,0 @@ - -object Main extends App { - - def abs(x:Double) = if (x < 0) -x else x - - def sqrt(x: Double) = { - - def sqrtIter(guess: Double): Double = - if (isGoodEnough(guess)) guess - else sqrtIter(improve(guess)) - - def isGoodEnough(guess: Double) = - abs(guess * guess - x ) /x < 0.001 - - def improve(guess: Double) = - (guess + x / guess) / 2 - - sqrtIter(1.0) - } - - println(sqrt(2)) - println(sqrt(0.001)) - println(sqrt(0.1e-20)) - println(sqrt(1.0e20)) - println(sqrt(1.0e50)) - -} |