1 files changed, 40 insertions, 0 deletions
diff --git a/ee1301/wk3/lab3/RootBabylon2.cpp b/ee1301/wk3/lab3/RootBabylon2.cpp
new file mode 100644
index 0000000..c6daa37
--- /dev/null
+++ b/ee1301/wk3/lab3/RootBabylon2.cpp
@@ -0,0 +1,40 @@
+#include <iostream>
+#include <iomanip>
+#include <cmath>
+using namespace std;
+
+double gennewGuess(double n, double old_guess) {
+  double real, old;
+  real=sqrt(n);
+  double new_guess = ( old_guess + n / old_guess ) / 2;
+  old=new_guess;
+  if (((new_guess-real)/real)>0.01) { //This will be true if the difference between the real root and guess is more than 1%.
+  //  cout << old << endl;
+    return gennewGuess(n, old);
+  } else {
+  //  cout << old << endl;
+    return new_guess;
+  }
+}
+int main () {
+  double temp;
+  char cont;
+  do {
+  cout << "enter a value: ";
+  cin >> temp;
+  int n=temp;
+  if (temp<=0) {
+    cout << "Please enter a valid input(Positive Integer)." << endl;
+    return sqrt(-1);
+  }
+  //cout << "Guessing..." << endl;
+  temp = gennewGuess(temp, 1.0);
+  cout << fixed << setprecision(0) << "square root of " << n << " is " << temp << endl
+  << "continue? (y/n): ";
+  cin >> cont;
+  if (cont!='n'&&cont!='y') {
+    return -1;
+  }
+} while (cont!='n');
+  // << "Actual Value: " << real << endl;
+}