i did things

1 files changed, 8 insertions, 6 deletions

diff --git a/mysqrt.cpp b/mysqrt.cpp
index 088fdde..18bb632 100644
--- a/mysqrt.cpp
+++ b/mysqrt.cpp
@@ -5,18 +5,20 @@ using namespace std;
 double mysqrt(double x)
 {
     bool goodenough = false;
-    double guess;
-    double last = 0.0;
+    double lastGuess, nextGuess;
+
+    lastGuess = x / 10.0;
 
     if (x <= 0)
         return x;
 
     while (!goodenough) {
-        guess = (last + (x / last)) / 2.0;
-        last = guess;
+        
+        nextGuess = (lastGuess + (x / lastGuess)) / 2.0;
+        lastGuess = nextGuess;
 
-        goodenough = abs(guess - last) <= 0.000000001;
+        goodenough = abs(nextGuess - lastGuess) <= 0.000000000001;
     }
-    return guess;
+    return nextGuess;
 }