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#include <iostream> #include <cmath> using namespace std; // adding namespace double square_root(double n) { if (n < 0) { cerr << "Error: Sorry, cannot compute square root of a negative Number" << endl; return -1; // it will return with an error code } else { return sqrt(n); } } int main() { // starting main function double Number; cout << "Please Enter a Number to Calculate the square root of the given number "; cin >> Number; double Display = square_root(Number); if (Display >= 0) { cout << "The square root of " << Number << " is " << Display << endl; } return 0; } |
Write a function to compute the square-root of a given number. If the given number is negative, your function should give an error message.
Write a function to compute the square-root of a given number. If the given number is negative, your function should give an error message.
Output for Positive number
Please Enter a Number to Calculate the square root of the given number 4
The square root of 4 is 2
Output for Negative number
Please Enter a Number to Calculate the square root of the given number -6
Error: Sorry, cannot compute square root of a negative Number