Scala : move sqrt into sandbox and Scala : add recursion.scala

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))
-
-}