// This program uses a function to perform division. If division
// by zero is detected, the function returns.
#include <iostream>
using namespace std;

// Function prototype.
void divide(double, double);

int main()
{
   double num1, num2;

   cout << "Enter two numbers and I will divide the first\n";
   cout << "number by the second number: ";
   cin >> num1 >> num2;
   divide(num1, num2);
   return 0;
}

//***************************************************************
// Definition of function divide.                               *
// Uses two parameters: arg1 and arg2. The function divides arg1*
// by arg2 and shows the result. If arg2 is zero, however, the  *
// function returns.                                            *
//***************************************************************

void divide(double arg1, double arg2)
{
   if (arg2 == 0.0)
   {
      cout << "Sorry, I cannot divide by zero.\n";
      return;
   }
   cout << "The quotient is " << (arg1 / arg2) << endl;
}