Assignment #3 (1/3) - Page 377 #10

#include <iostream>
using namespace std;

double add(double x, double y);
double calculate(double a, double b, double(*add)(double, double));

int main() {
    double firstNum, secondNum;

    for (int i = 1; i <= 3; i++) {
        cout << "(" << i << "/3 loop iterations)" << endl;
        cout << "Enter your first number: "; cin >> firstNum;
        cout << "Enter your second number: "; cin >> secondNum;
        cout << "Combined is: " << calculate(firstNum, secondNum, add) << endl << endl;
    }
    cout << "Press enter to exit.";
    cin.get(), cin.get();
    return 0;
}

double add(double x, double y) {
    return x + y;
}

double calculate(double a, double b, double (*add)(double, double)){
    return (*add)(a, b);
}