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#include <iostream>
#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, temp2;
cout << "Enter the Number to find square root: ";
cin >> temp;
if (temp<=0) {
cout << "Please enter a valid input(Positive Integer)." << endl;
return sqrt(-1);
}
cout << "Guessing..." << endl;
double real=sqrt(temp);
temp2=temp;
temp = gennewGuess(temp, 1.0);
cout << "The Final Guess: " << temp << endl
<< "Actual Value: " << real << endl;
}
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